Merge tag 'drm-misc-next-2021-03-03' of git://anongit.freedesktop.org/drm/drm-misc into drm-next

drm-misc-next for 5.13:

UAPI Changes:

Cross-subsystem Changes:

Core Changes:
- %p4cc printk format modifier
- atomic: introduce drm_crtc_commit_wait, rework atomic plane state
helpers to take the drm_commit_state structure
- dma-buf: heaps rework to return a struct dma_buf
- simple-kms: Add plate state helpers
- ttm: debugfs support, removal of sysfs

Driver Changes:
- Convert drivers to shadow plane helpers
- arc: Move to drm/tiny
- ast: cursor plane reworks
- gma500: Remove TTM and medfield support
- mxsfb: imx8mm support
- panfrost: MMU IRQ handling rework
- qxl: rework to better handle resources deallocation, locking
- sun4i: Add alpha properties for UI and VI layers
- vc4: RPi4 CEC support
- vmwgfx: doc cleanup

Signed-off-by: Dave Airlie <[e-mail]>

From: Maxime Ripard <[e-mail]>
Link: https://patchwork.freedesktop.org/patch/msgid/20210303100600.dgnkadonzuvfnu22@gilmour

Documentation/core-api/printk-formats.rst

···
 
 Passed by reference.
 
+V4L2 and DRM FourCC code (pixel format)
+---------------------------------------
+
+::
+
+	%p4cc
+
+Print a FourCC code used by V4L2 or DRM, including format endianness and
+its numerical value as hexadecimal.
+
+Passed by reference.
+
+Examples::
+
+	%p4cc	BG12 little-endian (0x32314742)
+	%p4cc	Y10  little-endian (0x20303159)
+	%p4cc	NV12 big-endian (0xb231564e)
+
 Thanks
 ======
 

Documentation/devicetree/bindings/display/brcm,bcm2711-hdmi.yaml

···
   - resets
   - ddc
 
-additionalProperties: false
+unevaluatedProperties: false
 
 examples:
   - |

Documentation/devicetree/bindings/display/fsl,lcdif.yaml

···
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/fsl,lcdif.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Freescale/NXP i.MX LCD Interface (LCDIF)
+
+maintainers:
+  - Marek Vasut <[e-mail]>
+  - Stefan Agner <[e-mail]>
+
+description: |
+  (e)LCDIF display controller found in the Freescale/NXP i.MX SoCs.
+
+properties:
+  compatible:
+    oneOf:
+      - enum:
+          - fsl,imx23-lcdif
+          - fsl,imx28-lcdif
+          - fsl,imx6sx-lcdif
+      - items:
+          - enum:
+              - fsl,imx6sl-lcdif
+              - fsl,imx6sll-lcdif
+              - fsl,imx6ul-lcdif
+              - fsl,imx7d-lcdif
+              - fsl,imx8mm-lcdif
+              - fsl,imx8mq-lcdif
+          - const: fsl,imx6sx-lcdif
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    items:
+      - description: Pixel clock
+      - description: Bus clock
+      - description: Display AXI clock
+    minItems: 1
+
+  clock-names:
+    items:
+      - const: pix
+      - const: axi
+      - const: disp_axi
+    minItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  port:
+    $ref: /schemas/graph.yaml#/properties/port
+    description: The LCDIF output port
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - interrupts
+  - port
+
+additionalProperties: false
+
+allOf:
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: fsl,imx6sx-lcdif
+    then:
+      properties:
+        clocks:
+          minItems: 2
+          maxItems: 3
+        clock-names:
+          minItems: 2
+          maxItems: 3
+      required:
+        - clock-names
+    else:
+      properties:
+        clocks:
+          maxItems: 1
+        clock-names:
+          maxItems: 1
+
+examples:
+  - |
+    #include <dt-bindings/clock/imx6sx-clock.h>
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+    display-controller@2220000 {
+        compatible = "fsl,imx6sx-lcdif";
+        reg = <0x02220000 0x4000>;
+        interrupts = <GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>;
+        clocks = <&clks IMX6SX_CLK_LCDIF1_PIX>,
+                 <&clks IMX6SX_CLK_LCDIF_APB>,
+                 <&clks IMX6SX_CLK_DISPLAY_AXI>;
+        clock-names = "pix", "axi", "disp_axi";
+
+        port {
+            endpoint {
+                remote-endpoint = <&panel_in>;
+            };
+        };
+    };
+
+...

Documentation/devicetree/bindings/display/mxsfb.txt

···
-* Freescale MXS LCD Interface (LCDIF)
-
-New bindings:
-=============
-Required properties:
-- compatible:	Should be "fsl,imx23-lcdif" for i.MX23.
-		Should be "fsl,imx28-lcdif" for i.MX28.
-		Should be "fsl,imx6sx-lcdif" for i.MX6SX.
-		Should be "fsl,imx8mq-lcdif" for i.MX8MQ.
-- reg:		Address and length of the register set for LCDIF
-- interrupts:	Should contain LCDIF interrupt
-- clocks:	A list of phandle + clock-specifier pairs, one for each
-		entry in 'clock-names'.
-- clock-names:	A list of clock names. For MXSFB it should contain:
-    - "pix" for the LCDIF block clock
-    - (MX6SX-only) "axi", "disp_axi" for the bus interface clock
-
-Required sub-nodes:
-  - port: The connection to an encoder chip.
-
-Example:
-
-	lcdif1: display-controller@2220000 {
-		compatible = "fsl,imx6sx-lcdif", "fsl,imx28-lcdif";
-		reg = <0x02220000 0x4000>;
-		interrupts = <GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>;
-		clocks = <&clks IMX6SX_CLK_LCDIF1_PIX>,
-			 <&clks IMX6SX_CLK_LCDIF_APB>,
-			 <&clks IMX6SX_CLK_DISPLAY_AXI>;
-		clock-names = "pix", "axi", "disp_axi";
-
-		port {
-			parallel_out: endpoint {
-				remote-endpoint = <&panel_in_parallel>;
-			};
-		};
-	};
-
-Deprecated bindings:
-====================
-Required properties:
-- compatible:	Should be "fsl,imx23-lcdif" for i.MX23.
-		Should be "fsl,imx28-lcdif" for i.MX28.
-- reg:		Address and length of the register set for LCDIF
-- interrupts:	Should contain LCDIF interrupts
-- display:	phandle to display node (see below for details)
-
-* display node
-
-Required properties:
-- bits-per-pixel:	<16> for RGB565, <32> for RGB888/666.
-- bus-width:		number of data lines.  Could be <8>, <16>, <18> or <24>.
-
-Required sub-node:
-- display-timings:	Refer to binding doc display-timing.txt for details.
-
-Examples:
-
-lcdif@80030000 {
-	compatible = "fsl,imx28-lcdif";
-	reg = <0x80030000 2000>;
-	interrupts = <38 86>;
-
-	display: display {
-		bits-per-pixel = <32>;
-		bus-width = <24>;
-
-		display-timings {
-			native-mode = <&timing0>;
-			timing0: timing0 {
-				clock-frequency = <33500000>;
-				hactive = <800>;
-				vactive = <480>;
-				hfront-porch = <164>;
-				hback-porch = <89>;
-				hsync-len = <10>;
-				vback-porch = <23>;
-				vfront-porch = <10>;
-				vsync-len = <10>;
-				hsync-active = <0>;
-				vsync-active = <0>;
-				de-active = <1>;
-				pixelclk-active = <0>;
-			};
-		};
-	};
-};

Documentation/gpu/drm-kms-helpers.rst

···
 .. kernel-doc:: drivers/gpu/drm/drm_atomic_state_helper.c
    :export:
 
+GEM Atomic Helper Reference
+---------------------------
+
+.. kernel-doc:: drivers/gpu/drm/drm_gem_atomic_helper.c
+   :doc: overview
+
+.. kernel-doc:: include/drm/drm_gem_atomic_helper.h
+   :internal:
+
+.. kernel-doc:: drivers/gpu/drm/drm_gem_atomic_helper.c
+   :export:
+
 Simple KMS Helper Reference
 ===========================
 

Documentation/gpu/todo.rst

···
 
 Level: Intermediate
 
-Plumb drm_atomic_state all over
--------------------------------
-
-Currently various atomic functions take just a single or a handful of
-object states (eg. plane state). While that single object state can
-suffice for some simple cases, we often have to dig out additional
-object states for dealing with various dependencies between the individual
-objects or the hardware they represent. The process of digging out the
-additional states is rather non-intuitive and error prone.
-
-To fix that most functions should rather take the overall
-drm_atomic_state as one of their parameters. The other parameters
-would generally be the object(s) we mainly want to interact with.
-
-For example, instead of
-
-.. code-block:: c
-
-   int (*atomic_check)(struct drm_plane *plane, struct drm_plane_state *state);
-
-we would have something like
-
-.. code-block:: c
-
-   int (*atomic_check)(struct drm_plane *plane, struct drm_atomic_state *state);
-
-The implementation can then trivially gain access to any required object
-state(s) via drm_atomic_get_plane_state(), drm_atomic_get_new_plane_state(),
-drm_atomic_get_old_plane_state(), and their equivalents for
-other object types.
-
-Additionally many drivers currently access the object->state pointer
-directly in their commit functions. That is not going to work if we
-eg. want to allow deeper commit pipelines as those pointers could
-then point to the states corresponding to a future commit instead of
-the current commit we're trying to process. Also non-blocking commits
-execute locklessly so there are serious concerns with dereferencing
-the object->state pointers without holding the locks that protect them.
-Use of drm_atomic_get_new_plane_state(), drm_atomic_get_old_plane_state(),
-etc. avoids these problems as well since they relate to a specific
-commit via the passed in drm_atomic_state.
-
-Contact: Ville Syrjälä, Daniel Vetter
-
-Level: Intermediate
-
 Use struct dma_buf_map throughout codebase
 ------------------------------------------
 
···
 
 Level: Intermediate
 
-KMS cleanups
-------------
+Object lifetime fixes
+---------------------
 
-Some of these date from the very introduction of KMS in 2008 ...
+There's two related issues here
 
-- Make ->funcs and ->helper_private vtables optional. There's a bunch of empty
-  function tables in drivers, but before we can remove them we need to make sure
-  that all the users in helpers and drivers do correctly check for a NULL
-  vtable.
+- Cleanup up the various ->destroy callbacks, which often are all the same
+  simple code.
 
-- Cleanup up the various ->destroy callbacks. A lot of them just wrapt the
-  drm_*_cleanup implementations and can be removed. Some tack a kfree() at the
-  end, for which we could add drm_*_cleanup_kfree(). And then there's the (for
-  historical reasons) misnamed drm_primary_helper_destroy() function.
+- Lots of drivers erroneously allocate DRM modeset objects using devm_kzalloc,
+  which results in use-after free issues on driver unload. This can be serious
+  trouble even for drivers for hardware integrated on the SoC due to
+  EPROBE_DEFERRED backoff.
+
+Both these problems can be solved by switching over to drmm_kzalloc(), and the
+various convenience wrappers provided, e.g. drmm_crtc_alloc_with_planes(),
+drmm_universal_plane_alloc(), ... and so on.
+
+Contact: Daniel Vetter
 
 Level: Intermediate
 
···
 See the documentation of :ref:`VKMS <vkms>` for more details. This is an ideal
 internship task, since it only requires a virtual machine and can be sized to
 fit the available time.
-
-Contact: Daniel Vetter
 
 Level: See details
 

MAINTAINERS

···
 M:	Alexey Brodkin <[e-mail]>
 S:	Supported
 F:	Documentation/devicetree/bindings/display/snps,arcpgu.txt
-F:	drivers/gpu/drm/arc/
+F:	drivers/gpu/drm/tiny/arcpgu.c
 
 ARCNET NETWORK LAYER
 M:	Michael Grzeschik <[e-mail]>
···
 L:	[e-mail]
 S:	Supported
 T:	git git://anongit.freedesktop.org/drm/drm-misc
-F:	Documentation/devicetree/bindings/display/mxsfb.txt
+F:	Documentation/devicetree/bindings/display/fsl,lcdif.yaml
 F:	drivers/gpu/drm/mxsfb/
 
 MYLEX DAC960 PCI RAID Controller

drivers/dma-buf/dma-heap.c

···
 	return heap->priv;
 }
 
+/**
+ * dma_heap_get_name() - get heap name
+ * @heap: DMA-Heap to retrieve private data for
+ *
+ * Returns:
+ * The char* for the heap name.
+ */
+const char *dma_heap_get_name(struct dma_heap *heap)
+{
+	return heap->name;
+}
+
 struct dma_heap *dma_heap_add(const struct dma_heap_export_info *exp_info)
 {
 	struct dma_heap *heap, *h, *err_ret;

drivers/dma-buf/heaps/cma_heap.c

···
 	buffer->pagecount = pagecount;
 
 	/* create the dmabuf */
+	exp_info.exp_name = dma_heap_get_name(heap);
 	exp_info.ops = &cma_heap_buf_ops;
 	exp_info.size = buffer->len;
 	exp_info.flags = fd_flags;

drivers/dma-buf/heaps/system_heap.c

···
 	}
 
 	/* create the dmabuf */
+	exp_info.exp_name = dma_heap_get_name(heap);
 	exp_info.ops = &system_heap_buf_ops;
 	exp_info.size = buffer->len;
 	exp_info.flags = fd_flags;

drivers/gpu/drm/Kconfig

···
 
 source "drivers/gpu/drm/etnaviv/Kconfig"
 
-source "drivers/gpu/drm/arc/Kconfig"
-
 source "drivers/gpu/drm/hisilicon/Kconfig"
 
 source "drivers/gpu/drm/mediatek/Kconfig"

drivers/gpu/drm/Makefile

···
 		drm_plane_helper.o drm_dp_mst_topology.o drm_atomic_helper.o \
 		drm_kms_helper_common.o drm_dp_dual_mode_helper.o \
 		drm_simple_kms_helper.o drm_modeset_helper.o \
-		drm_scdc_helper.o drm_gem_framebuffer_helper.o \
+		drm_scdc_helper.o drm_gem_atomic_helper.o \
+		drm_gem_framebuffer_helper.o \
 		drm_atomic_state_helper.o drm_damage_helper.o \
 		drm_format_helper.o drm_self_refresh_helper.o
 
···
 obj-y			+= bridge/
 obj-$(CONFIG_DRM_FSL_DCU) += fsl-dcu/
 obj-$(CONFIG_DRM_ETNAVIV) += etnaviv/
-obj-$(CONFIG_DRM_ARCPGU)+= arc/
 obj-y			+= hisilicon/
 obj-$(CONFIG_DRM_ZTE)	+= zte/
 obj-$(CONFIG_DRM_MXSFB)	+= mxsfb/

drivers/gpu/drm/amd/amdgpu/amdgpu.h

···
 	return &adev->ddev;
 }
 
-static inline struct amdgpu_device *amdgpu_ttm_adev(struct ttm_bo_device *bdev)
+static inline struct amdgpu_device *amdgpu_ttm_adev(struct ttm_device *bdev)
 {
 	return container_of(bdev, struct amdgpu_device, mman.bdev);
 }

drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_fence.c

···
  * All the BOs in a process share an eviction fence. When process X wants
  * to map VRAM memory but TTM can't find enough space, TTM will attempt to
  * evict BOs from its LRU list. TTM checks if the BO is valuable to evict
- * by calling ttm_bo_driver->eviction_valuable().
+ * by calling ttm_device_funcs->eviction_valuable().
  *
- * ttm_bo_driver->eviction_valuable() - will return false if the BO belongs
+ * ttm_device_funcs->eviction_valuable() - will return false if the BO belongs
  *  to process X. Otherwise, it will return true to indicate BO can be
  *  evicted by TTM.
  *
- * If ttm_bo_driver->eviction_valuable returns true, then TTM will continue
+ * If ttm_device_funcs->eviction_valuable returns true, then TTM will continue
  * the evcition process for that BO by calling ttm_bo_evict --> amdgpu_bo_move
  * --> amdgpu_copy_buffer(). This sets up job in GPU scheduler.
  *

drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c

···
  */
 #define ESTIMATE_PT_SIZE(mem_size) ((mem_size) >> 14)
 
+static size_t amdgpu_amdkfd_acc_size(uint64_t size)
+{
+	size >>= PAGE_SHIFT;
+	size *= sizeof(dma_addr_t) + sizeof(void *);
+
+	return __roundup_pow_of_two(sizeof(struct amdgpu_bo)) +
+		__roundup_pow_of_two(sizeof(struct ttm_tt)) +
+		PAGE_ALIGN(size);
+}
+
 static int amdgpu_amdkfd_reserve_mem_limit(struct amdgpu_device *adev,
 		uint64_t size, u32 domain, bool sg)
 {
···
 	size_t acc_size, system_mem_needed, ttm_mem_needed, vram_needed;
 	int ret = 0;
 
-	acc_size = ttm_bo_dma_acc_size(&adev->mman.bdev, size,
-				       sizeof(struct amdgpu_bo));
+	acc_size = amdgpu_amdkfd_acc_size(size);
 
 	vram_needed = 0;
 	if (domain == AMDGPU_GEM_DOMAIN_GTT) {
···
 {
 	size_t acc_size;
 
-	acc_size = ttm_bo_dma_acc_size(&adev->mman.bdev, size,
-				       sizeof(struct amdgpu_bo));
+	acc_size = amdgpu_amdkfd_acc_size(size);
 
 	spin_lock(&kfd_mem_limit.mem_limit_lock);
 	if (domain == AMDGPU_GEM_DOMAIN_GTT) {

drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c

···
 
 		r = drm_sched_init(&ring->sched, &amdgpu_sched_ops,
 				   num_hw_submission, amdgpu_job_hang_limit,
-				   timeout, ring->name);
+				   timeout, NULL, ring->name);
 		if (r) {
 			DRM_ERROR("Failed to create scheduler on ring %s.\n",
 				  ring->name);

drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c

···
  */
 static int amdgpu_gart_dummy_page_init(struct amdgpu_device *adev)
 {
-	struct page *dummy_page = ttm_bo_glob.dummy_read_page;
+	struct page *dummy_page = ttm_glob.dummy_read_page;
 
 	if (adev->dummy_page_addr)
 		return 0;

drivers/gpu/drm/amd/amdgpu/amdgpu_job.c

···
 #include "amdgpu.h"
 #include "amdgpu_trace.h"
 
-static void amdgpu_job_timedout(struct drm_sched_job *s_job)
+static enum drm_gpu_sched_stat amdgpu_job_timedout(struct drm_sched_job *s_job)
 {
 	struct amdgpu_ring *ring = to_amdgpu_ring(s_job->sched);
 	struct amdgpu_job *job = to_amdgpu_job(s_job);
···
 	    amdgpu_ring_soft_recovery(ring, job->vmid, s_job->s_fence->parent)) {
 		DRM_ERROR("ring %s timeout, but soft recovered\n",
 			  s_job->sched->name);
-		return;
+		return DRM_GPU_SCHED_STAT_NOMINAL;
 	}
 
 	amdgpu_vm_get_task_info(ring->adev, job->pasid, &ti);
···
 
 	if (amdgpu_device_should_recover_gpu(ring->adev)) {
 		amdgpu_device_gpu_recover(ring->adev, job);
+		return DRM_GPU_SCHED_STAT_NOMINAL;
 	} else {
 		drm_sched_suspend_timeout(&ring->sched);
 		if (amdgpu_sriov_vf(adev))
 			adev->virt.tdr_debug = true;
+		return DRM_GPU_SCHED_STAT_NOMINAL;
 	}
 }
 

drivers/gpu/drm/amd/amdgpu/amdgpu_object.c

···
 	};
 	struct amdgpu_bo *bo;
 	unsigned long page_align, size = bp->size;
-	size_t acc_size;
 	int r;
 
 	/* Note that GDS/GWS/OA allocates 1 page per byte/resource. */
···
 		return -ENOMEM;
 
 	*bo_ptr = NULL;
-
-	acc_size = ttm_bo_dma_acc_size(&adev->mman.bdev, size,
-				       sizeof(struct amdgpu_bo));
 
 	bo = kzalloc(sizeof(struct amdgpu_bo), GFP_KERNEL);
 	if (bo == NULL)
···
 		bo->tbo.priority = 1;
 
 	r = ttm_bo_init_reserved(&adev->mman.bdev, &bo->tbo, size, bp->type,
-				 &bo->placement, page_align, &ctx, acc_size,
-				 NULL, bp->resv, &amdgpu_bo_destroy);
+				 &bo->placement, page_align, &ctx,  NULL,
+				 bp->resv, &amdgpu_bo_destroy);
 	if (unlikely(r != 0))
 		return r;
 

drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c

···
 
 #define AMDGPU_TTM_VRAM_MAX_DW_READ	(size_t)128
 
-static int amdgpu_ttm_backend_bind(struct ttm_bo_device *bdev,
+static int amdgpu_ttm_backend_bind(struct ttm_device *bdev,
 				   struct ttm_tt *ttm,
 				   struct ttm_resource *bo_mem);
-static void amdgpu_ttm_backend_unbind(struct ttm_bo_device *bdev,
+static void amdgpu_ttm_backend_unbind(struct ttm_device *bdev,
 				      struct ttm_tt *ttm);
 
 static int amdgpu_ttm_init_on_chip(struct amdgpu_device *adev,
···
  *
  * Called by ttm_mem_io_reserve() ultimately via ttm_bo_vm_fault()
  */
-static int amdgpu_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_resource *mem)
+static int amdgpu_ttm_io_mem_reserve(struct ttm_device *bdev, struct ttm_resource *mem)
 {
 	struct amdgpu_device *adev = amdgpu_ttm_adev(bdev);
 	struct drm_mm_node *mm_node = mem->mm_node;
···
  *
  * Called by amdgpu_ttm_backend_bind()
  **/
-static int amdgpu_ttm_tt_pin_userptr(struct ttm_bo_device *bdev,
+static int amdgpu_ttm_tt_pin_userptr(struct ttm_device *bdev,
 				     struct ttm_tt *ttm)
 {
 	struct amdgpu_device *adev = amdgpu_ttm_adev(bdev);
···
 /*
  * amdgpu_ttm_tt_unpin_userptr - Unpin and unmap userptr pages
  */
-static void amdgpu_ttm_tt_unpin_userptr(struct ttm_bo_device *bdev,
+static void amdgpu_ttm_tt_unpin_userptr(struct ttm_device *bdev,
 					struct ttm_tt *ttm)
 {
 	struct amdgpu_device *adev = amdgpu_ttm_adev(bdev);
···
  * Called by ttm_tt_bind() on behalf of ttm_bo_handle_move_mem().
  * This handles binding GTT memory to the device address space.
  */
-static int amdgpu_ttm_backend_bind(struct ttm_bo_device *bdev,
+static int amdgpu_ttm_backend_bind(struct ttm_device *bdev,
 				   struct ttm_tt *ttm,
 				   struct ttm_resource *bo_mem)
 {
···
  * Called by ttm_tt_unbind() on behalf of ttm_bo_move_ttm() and
  * ttm_tt_destroy().
  */
-static void amdgpu_ttm_backend_unbind(struct ttm_bo_device *bdev,
+static void amdgpu_ttm_backend_unbind(struct ttm_device *bdev,
 				      struct ttm_tt *ttm)
 {
 	struct amdgpu_device *adev = amdgpu_ttm_adev(bdev);
···
 	gtt->bound = false;
 }
 
-static void amdgpu_ttm_backend_destroy(struct ttm_bo_device *bdev,
+static void amdgpu_ttm_backend_destroy(struct ttm_device *bdev,
 				       struct ttm_tt *ttm)
 {
 	struct amdgpu_ttm_tt *gtt = (void *)ttm;
···
  * Map the pages of a ttm_tt object to an address space visible
  * to the underlying device.
  */
-static int amdgpu_ttm_tt_populate(struct ttm_bo_device *bdev,
+static int amdgpu_ttm_tt_populate(struct ttm_device *bdev,
 				  struct ttm_tt *ttm,
 				  struct ttm_operation_ctx *ctx)
 {
···
  * Unmaps pages of a ttm_tt object from the device address space and
  * unpopulates the page array backing it.
  */
-static void amdgpu_ttm_tt_unpopulate(struct ttm_bo_device *bdev,
+static void amdgpu_ttm_tt_unpopulate(struct ttm_device *bdev,
 				     struct ttm_tt *ttm)
 {
 	struct amdgpu_ttm_tt *gtt = (void *)ttm;
···
 	amdgpu_bo_move_notify(bo, false, NULL);
 }
 
-static struct ttm_bo_driver amdgpu_bo_driver = {
+static struct ttm_device_funcs amdgpu_bo_driver = {
 	.ttm_tt_create = &amdgpu_ttm_tt_create,
 	.ttm_tt_populate = &amdgpu_ttm_tt_populate,
 	.ttm_tt_unpopulate = &amdgpu_ttm_tt_unpopulate,
···
 	mutex_init(&adev->mman.gtt_window_lock);
 
 	/* No others user of address space so set it to 0 */
-	r = ttm_bo_device_init(&adev->mman.bdev, &amdgpu_bo_driver, adev->dev,
+	r = ttm_device_init(&adev->mman.bdev, &amdgpu_bo_driver, adev->dev,
 			       adev_to_drm(adev)->anon_inode->i_mapping,
 			       adev_to_drm(adev)->vma_offset_manager,
 			       adev->need_swiotlb,
···
 	ttm_range_man_fini(&adev->mman.bdev, AMDGPU_PL_GDS);
 	ttm_range_man_fini(&adev->mman.bdev, AMDGPU_PL_GWS);
 	ttm_range_man_fini(&adev->mman.bdev, AMDGPU_PL_OA);
-	ttm_bo_device_release(&adev->mman.bdev);
+	ttm_device_fini(&adev->mman.bdev);
 	adev->mman.initialized = false;
 	DRM_INFO("amdgpu: ttm finalized\n");
 }
···
 	return ret;
 }
 
-static struct vm_operations_struct amdgpu_ttm_vm_ops = {
+static const struct vm_operations_struct amdgpu_ttm_vm_ops = {
 	.fault = amdgpu_ttm_fault,
 	.open = ttm_bo_vm_open,
 	.close = ttm_bo_vm_close,

drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h

···
 };
 
 struct amdgpu_mman {
-	struct ttm_bo_device		bdev;
+	struct ttm_device		bdev;
 	bool				initialized;
 	void __iomem			*aper_base_kaddr;
 

drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c

···
 	struct amdgpu_vm_bo_base *bo_base;
 
 	if (vm->bulk_moveable) {
-		spin_lock(&ttm_bo_glob.lru_lock);
+		spin_lock(&ttm_glob.lru_lock);
 		ttm_bo_bulk_move_lru_tail(&vm->lru_bulk_move);
-		spin_unlock(&ttm_bo_glob.lru_lock);
+		spin_unlock(&ttm_glob.lru_lock);
 		return;
 	}
 
 	memset(&vm->lru_bulk_move, 0, sizeof(vm->lru_bulk_move));
 
-	spin_lock(&ttm_bo_glob.lru_lock);
+	spin_lock(&ttm_glob.lru_lock);
 	list_for_each_entry(bo_base, &vm->idle, vm_status) {
 		struct amdgpu_bo *bo = bo_base->bo;
 
···
 						&bo->shadow->tbo.mem,
 						&vm->lru_bulk_move);
 	}
-	spin_unlock(&ttm_bo_glob.lru_lock);
+	spin_unlock(&ttm_glob.lru_lock);
 
 	vm->bulk_moveable = true;
 }

drivers/gpu/drm/amd/amdgpu/dce_v10_0.c

···
 	u32 tmp, viewport_w, viewport_h;
 	int r;
 	bool bypass_lut = false;
-	struct drm_format_name_buf format_name;
 
 	/* no fb bound */
 	if (!atomic && !crtc->primary->fb) {
···
 #endif
 		break;
 	default:
-		DRM_ERROR("Unsupported screen format %s\n",
-		          drm_get_format_name(target_fb->format->format, &format_name));
+		DRM_ERROR("Unsupported screen format %p4cc\n",
+			  &target_fb->format->format);
 		return -EINVAL;
 	}
 

drivers/gpu/drm/amd/amdgpu/dce_v11_0.c

···
 	u32 tmp, viewport_w, viewport_h;
 	int r;
 	bool bypass_lut = false;
-	struct drm_format_name_buf format_name;
 
 	/* no fb bound */
 	if (!atomic && !crtc->primary->fb) {
···
 #endif
 		break;
 	default:
-		DRM_ERROR("Unsupported screen format %s\n",
-		          drm_get_format_name(target_fb->format->format, &format_name));
+		DRM_ERROR("Unsupported screen format %p4cc\n",
+			  &target_fb->format->format);
 		return -EINVAL;
 	}
 

drivers/gpu/drm/amd/amdgpu/dce_v6_0.c

···
 	u32 viewport_w, viewport_h;
 	int r;
 	bool bypass_lut = false;
-	struct drm_format_name_buf format_name;
 
 	/* no fb bound */
 	if (!atomic && !crtc->primary->fb) {
···
 #endif
 		break;
 	default:
-		DRM_ERROR("Unsupported screen format %s\n",
-		          drm_get_format_name(target_fb->format->format, &format_name));
+		DRM_ERROR("Unsupported screen format %p4cc\n",
+			  &target_fb->format->format);
 		return -EINVAL;
 	}
 

drivers/gpu/drm/amd/amdgpu/dce_v8_0.c

···
 	u32 viewport_w, viewport_h;
 	int r;
 	bool bypass_lut = false;
-	struct drm_format_name_buf format_name;
 
 	/* no fb bound */
 	if (!atomic && !crtc->primary->fb) {
···
 #endif
 		break;
 	default:
-		DRM_ERROR("Unsupported screen format %s\n",
-		          drm_get_format_name(target_fb->format->format, &format_name));
+		DRM_ERROR("Unsupported screen format %p4cc\n",
+			  &target_fb->format->format);
 		return -EINVAL;
 	}
 

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c

···
 	const struct drm_framebuffer *fb = plane_state->fb;
 	const struct amdgpu_framebuffer *afb =
 		to_amdgpu_framebuffer(plane_state->fb);
-	struct drm_format_name_buf format_name;
 	int ret;
 
 	memset(plane_info, 0, sizeof(*plane_info));
···
 		break;
 	default:
 		DRM_ERROR(
-			"Unsupported screen format %s\n",
-			drm_get_format_name(fb->format->format, &format_name));
+			"Unsupported screen format %p4cc\n",
+			&fb->format->format);
 		return -EINVAL;
 	}
 
···
 }
 
 static int dm_plane_atomic_check(struct drm_plane *plane,
-				 struct drm_plane_state *state)
+				 struct drm_atomic_state *state)
 {
+	struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
+										 plane);
 	struct amdgpu_device *adev = drm_to_adev(plane->dev);
 	struct dc *dc = adev->dm.dc;
 	struct dm_plane_state *dm_plane_state;
···
 	struct drm_crtc_state *new_crtc_state;
 	int ret;
 
-	trace_amdgpu_dm_plane_atomic_check(state);
+	trace_amdgpu_dm_plane_atomic_check(new_plane_state);
 
-	dm_plane_state = to_dm_plane_state(state);
+	dm_plane_state = to_dm_plane_state(new_plane_state);
 
 	if (!dm_plane_state->dc_state)
 		return 0;
 
 	new_crtc_state =
-		drm_atomic_get_new_crtc_state(state->state, state->crtc);
+		drm_atomic_get_new_crtc_state(state,
+					      new_plane_state->crtc);
 	if (!new_crtc_state)
 		return -EINVAL;
 
-	ret = dm_plane_helper_check_state(state, new_crtc_state);
+	ret = dm_plane_helper_check_state(new_plane_state, new_crtc_state);
 	if (ret)
 		return ret;
 
-	ret = fill_dc_scaling_info(state, &scaling_info);
+	ret = fill_dc_scaling_info(new_plane_state, &scaling_info);
 	if (ret)
 		return ret;
 
···
 }
 
 static int dm_plane_atomic_async_check(struct drm_plane *plane,
-				       struct drm_plane_state *new_plane_state)
+				       struct drm_atomic_state *state)
 {
 	/* Only support async updates on cursor planes. */
 	if (plane->type != DRM_PLANE_TYPE_CURSOR)
···
 }
 
 static void dm_plane_atomic_async_update(struct drm_plane *plane,
-					 struct drm_plane_state *new_state)
+					 struct drm_atomic_state *state)
 {
+	struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
+									   plane);
 	struct drm_plane_state *old_state =
-		drm_atomic_get_old_plane_state(new_state->state, plane);
+		drm_atomic_get_old_plane_state(state, plane);
 
 	trace_amdgpu_dm_atomic_update_cursor(new_state);
 

drivers/gpu/drm/arc/Kconfig

···
-# SPDX-License-Identifier: GPL-2.0-only
-config DRM_ARCPGU
-	tristate "ARC PGU"
-	depends on DRM && OF
-	select DRM_KMS_CMA_HELPER
-	select DRM_KMS_HELPER
-	help
-	  Choose this option if you have an ARC PGU controller.
-
-	  If M is selected the module will be called arcpgu.

drivers/gpu/drm/arc/Makefile

···
-# SPDX-License-Identifier: GPL-2.0-only
-arcpgu-y := arcpgu_crtc.o arcpgu_hdmi.o arcpgu_sim.o arcpgu_drv.o
-obj-$(CONFIG_DRM_ARCPGU) += arcpgu.o

drivers/gpu/drm/arc/arcpgu.h

···
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * ARC PGU DRM driver.
- *
- * Copyright (C) 2016 Synopsys, Inc. (www.synopsys.com)
- */
-
-#ifndef _ARCPGU_H_
-#define _ARCPGU_H_
-
-struct arcpgu_drm_private {
-	void __iomem		*regs;
-	struct clk		*clk;
-	struct drm_framebuffer	*fb;
-	struct drm_crtc		crtc;
-	struct drm_plane	*plane;
-};
-
-#define crtc_to_arcpgu_priv(x) container_of(x, struct arcpgu_drm_private, crtc)
-
-static inline void arc_pgu_write(struct arcpgu_drm_private *arcpgu,
-				 unsigned int reg, u32 value)
-{
-	iowrite32(value, arcpgu->regs + reg);
-}
-
-static inline u32 arc_pgu_read(struct arcpgu_drm_private *arcpgu,
-			       unsigned int reg)
-{
-	return ioread32(arcpgu->regs + reg);
-}
-
-int arc_pgu_setup_crtc(struct drm_device *dev);
-int arcpgu_drm_hdmi_init(struct drm_device *drm, struct device_node *np);
-int arcpgu_drm_sim_init(struct drm_device *drm, struct device_node *np);
-
-#endif

drivers/gpu/drm/arc/arcpgu_crtc.c

···
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * ARC PGU DRM driver.
- *
- * Copyright (C) 2016 Synopsys, Inc. (www.synopsys.com)
- */
-
-#include <drm/drm_atomic_helper.h>
-#include <drm/drm_device.h>
-#include <drm/drm_fb_cma_helper.h>
-#include <drm/drm_gem_cma_helper.h>
-#include <drm/drm_plane_helper.h>
-#include <drm/drm_probe_helper.h>
-#include <linux/clk.h>
-#include <linux/platform_data/simplefb.h>
-
-#include "arcpgu.h"
-#include "arcpgu_regs.h"
-
-#define ENCODE_PGU_XY(x, y)	((((x) - 1) << 16) | ((y) - 1))
-
-static const u32 arc_pgu_supported_formats[] = {
-	DRM_FORMAT_RGB565,
-	DRM_FORMAT_XRGB8888,
-	DRM_FORMAT_ARGB8888,
-};
-
-static void arc_pgu_set_pxl_fmt(struct drm_crtc *crtc)
-{
-	struct arcpgu_drm_private *arcpgu = crtc_to_arcpgu_priv(crtc);
-	const struct drm_framebuffer *fb = crtc->primary->state->fb;
-	uint32_t pixel_format = fb->format->format;
-	u32 format = DRM_FORMAT_INVALID;
-	int i;
-	u32 reg_ctrl;
-
-	for (i = 0; i < ARRAY_SIZE(arc_pgu_supported_formats); i++) {
-		if (arc_pgu_supported_formats[i] == pixel_format)
-			format = arc_pgu_supported_formats[i];
-	}
-
-	if (WARN_ON(format == DRM_FORMAT_INVALID))
-		return;
-
-	reg_ctrl = arc_pgu_read(arcpgu, ARCPGU_REG_CTRL);
-	if (format == DRM_FORMAT_RGB565)
-		reg_ctrl &= ~ARCPGU_MODE_XRGB8888;
-	else
-		reg_ctrl |= ARCPGU_MODE_XRGB8888;
-	arc_pgu_write(arcpgu, ARCPGU_REG_CTRL, reg_ctrl);
-}
-
-static const struct drm_crtc_funcs arc_pgu_crtc_funcs = {
-	.destroy = drm_crtc_cleanup,
-	.set_config = drm_atomic_helper_set_config,
-	.page_flip = drm_atomic_helper_page_flip,
-	.reset = drm_atomic_helper_crtc_reset,
-	.atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state,
-	.atomic_destroy_state = drm_atomic_helper_crtc_destroy_state,
-};
-
-static enum drm_mode_status arc_pgu_crtc_mode_valid(struct drm_crtc *crtc,
-						    const struct drm_display_mode *mode)
-{
-	struct arcpgu_drm_private *arcpgu = crtc_to_arcpgu_priv(crtc);
-	long rate, clk_rate = mode->clock * 1000;
-	long diff = clk_rate / 200; /* +-0.5% allowed by HDMI spec */
-
-	rate = clk_round_rate(arcpgu->clk, clk_rate);
-	if ((max(rate, clk_rate) - min(rate, clk_rate) < diff) && (rate > 0))
-		return MODE_OK;
-
-	return MODE_NOCLOCK;
-}
-
-static void arc_pgu_crtc_mode_set_nofb(struct drm_crtc *crtc)
-{
-	struct arcpgu_drm_private *arcpgu = crtc_to_arcpgu_priv(crtc);
-	struct drm_display_mode *m = &crtc->state->adjusted_mode;
-	u32 val;
-
-	arc_pgu_write(arcpgu, ARCPGU_REG_FMT,
-		      ENCODE_PGU_XY(m->crtc_htotal, m->crtc_vtotal));
-
-	arc_pgu_write(arcpgu, ARCPGU_REG_HSYNC,
-		      ENCODE_PGU_XY(m->crtc_hsync_start - m->crtc_hdisplay,
-				    m->crtc_hsync_end - m->crtc_hdisplay));
-
-	arc_pgu_write(arcpgu, ARCPGU_REG_VSYNC,
-		      ENCODE_PGU_XY(m->crtc_vsync_start - m->crtc_vdisplay,
-				    m->crtc_vsync_end - m->crtc_vdisplay));
-
-	arc_pgu_write(arcpgu, ARCPGU_REG_ACTIVE,
-		      ENCODE_PGU_XY(m->crtc_hblank_end - m->crtc_hblank_start,
-				    m->crtc_vblank_end - m->crtc_vblank_start));
-
-	val = arc_pgu_read(arcpgu, ARCPGU_REG_CTRL);
-
-	if (m->flags & DRM_MODE_FLAG_PVSYNC)
-		val |= ARCPGU_CTRL_VS_POL_MASK << ARCPGU_CTRL_VS_POL_OFST;
-	else
-		val &= ~(ARCPGU_CTRL_VS_POL_MASK << ARCPGU_CTRL_VS_POL_OFST);
-
-	if (m->flags & DRM_MODE_FLAG_PHSYNC)
-		val |= ARCPGU_CTRL_HS_POL_MASK << ARCPGU_CTRL_HS_POL_OFST;
-	else
-		val &= ~(ARCPGU_CTRL_HS_POL_MASK << ARCPGU_CTRL_HS_POL_OFST);
-
-	arc_pgu_write(arcpgu, ARCPGU_REG_CTRL, val);
-	arc_pgu_write(arcpgu, ARCPGU_REG_STRIDE, 0);
-	arc_pgu_write(arcpgu, ARCPGU_REG_START_SET, 1);
-
-	arc_pgu_set_pxl_fmt(crtc);
-
-	clk_set_rate(arcpgu->clk, m->crtc_clock * 1000);
-}
-
-static void arc_pgu_crtc_atomic_enable(struct drm_crtc *crtc,
-				       struct drm_atomic_state *state)
-{
-	struct arcpgu_drm_private *arcpgu = crtc_to_arcpgu_priv(crtc);
-
-	clk_prepare_enable(arcpgu->clk);
-	arc_pgu_write(arcpgu, ARCPGU_REG_CTRL,
-		      arc_pgu_read(arcpgu, ARCPGU_REG_CTRL) |
-		      ARCPGU_CTRL_ENABLE_MASK);
-}
-
-static void arc_pgu_crtc_atomic_disable(struct drm_crtc *crtc,
-					struct drm_atomic_state *state)
-{
-	struct arcpgu_drm_private *arcpgu = crtc_to_arcpgu_priv(crtc);
-
-	clk_disable_unprepare(arcpgu->clk);
-	arc_pgu_write(arcpgu, ARCPGU_REG_CTRL,
-			      arc_pgu_read(arcpgu, ARCPGU_REG_CTRL) &
-			      ~ARCPGU_CTRL_ENABLE_MASK);
-}
-
-static const struct drm_crtc_helper_funcs arc_pgu_crtc_helper_funcs = {
-	.mode_valid	= arc_pgu_crtc_mode_valid,
-	.mode_set_nofb	= arc_pgu_crtc_mode_set_nofb,
-	.atomic_enable	= arc_pgu_crtc_atomic_enable,
-	.atomic_disable	= arc_pgu_crtc_atomic_disable,
-};
-
-static void arc_pgu_plane_atomic_update(struct drm_plane *plane,
-					struct drm_plane_state *state)
-{
-	struct arcpgu_drm_private *arcpgu;
-	struct drm_gem_cma_object *gem;
-
-	if (!plane->state->crtc || !plane->state->fb)
-		return;
-
-	arcpgu = crtc_to_arcpgu_priv(plane->state->crtc);
-	gem = drm_fb_cma_get_gem_obj(plane->state->fb, 0);
-	arc_pgu_write(arcpgu, ARCPGU_REG_BUF0_ADDR, gem->paddr);
-}
-
-static const struct drm_plane_helper_funcs arc_pgu_plane_helper_funcs = {
-	.atomic_update = arc_pgu_plane_atomic_update,
-};
-
-static const struct drm_plane_funcs arc_pgu_plane_funcs = {
-	.update_plane		= drm_atomic_helper_update_plane,
-	.disable_plane		= drm_atomic_helper_disable_plane,
-	.destroy		= drm_plane_cleanup,
-	.reset			= drm_atomic_helper_plane_reset,
-	.atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
-	.atomic_destroy_state	= drm_atomic_helper_plane_destroy_state,
-};
-
-static struct drm_plane *arc_pgu_plane_init(struct drm_device *drm)
-{
-	struct arcpgu_drm_private *arcpgu = drm->dev_private;
-	struct drm_plane *plane = NULL;
-	int ret;
-
-	plane = devm_kzalloc(drm->dev, sizeof(*plane), GFP_KERNEL);
-	if (!plane)
-		return ERR_PTR(-ENOMEM);
-
-	ret = drm_universal_plane_init(drm, plane, 0xff, &arc_pgu_plane_funcs,
-				       arc_pgu_supported_formats,
-				       ARRAY_SIZE(arc_pgu_supported_formats),
-				       NULL,
-				       DRM_PLANE_TYPE_PRIMARY, NULL);
-	if (ret)
-		return ERR_PTR(ret);
-
-	drm_plane_helper_add(plane, &arc_pgu_plane_helper_funcs);
-	arcpgu->plane = plane;
-
-	return plane;
-}
-
-int arc_pgu_setup_crtc(struct drm_device *drm)
-{
-	struct arcpgu_drm_private *arcpgu = drm->dev_private;
-	struct drm_plane *primary;
-	int ret;
-
-	primary = arc_pgu_plane_init(drm);
-	if (IS_ERR(primary))
-		return PTR_ERR(primary);
-
-	ret = drm_crtc_init_with_planes(drm, &arcpgu->crtc, primary, NULL,
-					&arc_pgu_crtc_funcs, NULL);
-	if (ret) {
-		drm_plane_cleanup(primary);
-		return ret;
-	}
-
-	drm_crtc_helper_add(&arcpgu->crtc, &arc_pgu_crtc_helper_funcs);
-	return 0;
-}

drivers/gpu/drm/arc/arcpgu_drv.c

···
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * ARC PGU DRM driver.
- *
- * Copyright (C) 2016 Synopsys, Inc. (www.synopsys.com)
- */
-
-#include <linux/clk.h>
-#include <drm/drm_atomic_helper.h>
-#include <drm/drm_debugfs.h>
-#include <drm/drm_device.h>
-#include <drm/drm_drv.h>
-#include <drm/drm_fb_cma_helper.h>
-#include <drm/drm_fb_helper.h>
-#include <drm/drm_gem_cma_helper.h>
-#include <drm/drm_gem_framebuffer_helper.h>
-#include <drm/drm_of.h>
-#include <drm/drm_probe_helper.h>
-#include <linux/dma-mapping.h>
-#include <linux/module.h>
-#include <linux/of_reserved_mem.h>
-#include <linux/platform_device.h>
-
-#include "arcpgu.h"
-#include "arcpgu_regs.h"
-
-static const struct drm_mode_config_funcs arcpgu_drm_modecfg_funcs = {
-	.fb_create  = drm_gem_fb_create,
-	.atomic_check = drm_atomic_helper_check,
-	.atomic_commit = drm_atomic_helper_commit,
-};
-
-static void arcpgu_setup_mode_config(struct drm_device *drm)
-{
-	drm_mode_config_init(drm);
-	drm->mode_config.min_width = 0;
-	drm->mode_config.min_height = 0;
-	drm->mode_config.max_width = 1920;
-	drm->mode_config.max_height = 1080;
-	drm->mode_config.funcs = &arcpgu_drm_modecfg_funcs;
-}
-
-DEFINE_DRM_GEM_CMA_FOPS(arcpgu_drm_ops);
-
-static int arcpgu_load(struct drm_device *drm)
-{
-	struct platform_device *pdev = to_platform_device(drm->dev);
-	struct arcpgu_drm_private *arcpgu;
-	struct device_node *encoder_node = NULL, *endpoint_node = NULL;
-	struct resource *res;
-	int ret;
-
-	arcpgu = devm_kzalloc(&pdev->dev, sizeof(*arcpgu), GFP_KERNEL);
-	if (arcpgu == NULL)
-		return -ENOMEM;
-
-	drm->dev_private = arcpgu;
-
-	arcpgu->clk = devm_clk_get(drm->dev, "pxlclk");
-	if (IS_ERR(arcpgu->clk))
-		return PTR_ERR(arcpgu->clk);
-
-	arcpgu_setup_mode_config(drm);
-
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	arcpgu->regs = devm_ioremap_resource(&pdev->dev, res);
-	if (IS_ERR(arcpgu->regs))
-		return PTR_ERR(arcpgu->regs);
-
-	dev_info(drm->dev, "arc_pgu ID: 0x%x\n",
-		 arc_pgu_read(arcpgu, ARCPGU_REG_ID));
-
-	/* Get the optional framebuffer memory resource */
-	ret = of_reserved_mem_device_init(drm->dev);
-	if (ret && ret != -ENODEV)
-		return ret;
-
-	if (dma_set_mask_and_coherent(drm->dev, DMA_BIT_MASK(32)))
-		return -ENODEV;
-
-	if (arc_pgu_setup_crtc(drm) < 0)
-		return -ENODEV;
-
-	/*
-	 * There is only one output port inside each device. It is linked with
-	 * encoder endpoint.
-	 */
-	endpoint_node = of_graph_get_next_endpoint(pdev->dev.of_node, NULL);
-	if (endpoint_node) {
-		encoder_node = of_graph_get_remote_port_parent(endpoint_node);
-		of_node_put(endpoint_node);
-	}
-
-	if (encoder_node) {
-		ret = arcpgu_drm_hdmi_init(drm, encoder_node);
-		of_node_put(encoder_node);
-		if (ret < 0)
-			return ret;
-	} else {
-		dev_info(drm->dev, "no encoder found. Assumed virtual LCD on simulation platform\n");
-		ret = arcpgu_drm_sim_init(drm, NULL);
-		if (ret < 0)
-			return ret;
-	}
-
-	drm_mode_config_reset(drm);
-	drm_kms_helper_poll_init(drm);
-
-	platform_set_drvdata(pdev, drm);
-	return 0;
-}
-
-static int arcpgu_unload(struct drm_device *drm)
-{
-	drm_kms_helper_poll_fini(drm);
-	drm_atomic_helper_shutdown(drm);
-	drm_mode_config_cleanup(drm);
-
-	return 0;
-}
-
-#ifdef CONFIG_DEBUG_FS
-static int arcpgu_show_pxlclock(struct seq_file *m, void *arg)
-{
-	struct drm_info_node *node = (struct drm_info_node *)m->private;
-	struct drm_device *drm = node->minor->dev;
-	struct arcpgu_drm_private *arcpgu = drm->dev_private;
-	unsigned long clkrate = clk_get_rate(arcpgu->clk);
-	unsigned long mode_clock = arcpgu->crtc.mode.crtc_clock * 1000;
-
-	seq_printf(m, "hw  : %lu\n", clkrate);
-	seq_printf(m, "mode: %lu\n", mode_clock);
-	return 0;
-}
-
-static struct drm_info_list arcpgu_debugfs_list[] = {
-	{ "clocks", arcpgu_show_pxlclock, 0 },
-};
-
-static void arcpgu_debugfs_init(struct drm_minor *minor)
-{
-	drm_debugfs_create_files(arcpgu_debugfs_list,
-				 ARRAY_SIZE(arcpgu_debugfs_list),
-				 minor->debugfs_root, minor);
-}
-#endif
-
-static const struct drm_driver arcpgu_drm_driver = {
-	.driver_features = DRIVER_MODESET | DRIVER_GEM | DRIVER_ATOMIC,
-	.name = "arcpgu",
-	.desc = "ARC PGU Controller",
-	.date = "20160219",
-	.major = 1,
-	.minor = 0,
-	.patchlevel = 0,
-	.fops = &arcpgu_drm_ops,
-	DRM_GEM_CMA_DRIVER_OPS,
-#ifdef CONFIG_DEBUG_FS
-	.debugfs_init = arcpgu_debugfs_init,
-#endif
-};
-
-static int arcpgu_probe(struct platform_device *pdev)
-{
-	struct drm_device *drm;
-	int ret;
-
-	drm = drm_dev_alloc(&arcpgu_drm_driver, &pdev->dev);
-	if (IS_ERR(drm))
-		return PTR_ERR(drm);
-
-	ret = arcpgu_load(drm);
-	if (ret)
-		goto err_unref;
-
-	ret = drm_dev_register(drm, 0);
-	if (ret)
-		goto err_unload;
-
-	drm_fbdev_generic_setup(drm, 16);
-
-	return 0;
-
-err_unload:
-	arcpgu_unload(drm);
-
-err_unref:
-	drm_dev_put(drm);
-
-	return ret;
-}
-
-static int arcpgu_remove(struct platform_device *pdev)
-{
-	struct drm_device *drm = platform_get_drvdata(pdev);
-
-	drm_dev_unregister(drm);
-	arcpgu_unload(drm);
-	drm_dev_put(drm);
-
-	return 0;
-}
-
-static const struct of_device_id arcpgu_of_table[] = {
-	{.compatible = "snps,arcpgu"},
-	{}
-};
-
-MODULE_DEVICE_TABLE(of, arcpgu_of_table);
-
-static struct platform_driver arcpgu_platform_driver = {
-	.probe = arcpgu_probe,
-	.remove = arcpgu_remove,
-	.driver = {
-		   .name = "arcpgu",
-		   .of_match_table = arcpgu_of_table,
-		   },
-};
-
-module_platform_driver(arcpgu_platform_driver);
-
-MODULE_AUTHOR("Carlos Palminha <[e-mail]>");
-MODULE_DESCRIPTION("ARC PGU DRM driver");
-MODULE_LICENSE("GPL");

drivers/gpu/drm/arc/arcpgu_hdmi.c

···
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * ARC PGU DRM driver.
- *
- * Copyright (C) 2016 Synopsys, Inc. (www.synopsys.com)
- */
-
-#include <drm/drm_bridge.h>
-#include <drm/drm_crtc.h>
-#include <drm/drm_encoder.h>
-#include <drm/drm_device.h>
-
-#include "arcpgu.h"
-
-static struct drm_encoder_funcs arcpgu_drm_encoder_funcs = {
-	.destroy = drm_encoder_cleanup,
-};
-
-int arcpgu_drm_hdmi_init(struct drm_device *drm, struct device_node *np)
-{
-	struct drm_encoder *encoder;
-	struct drm_bridge *bridge;
-
-	int ret = 0;
-
-	encoder = devm_kzalloc(drm->dev, sizeof(*encoder), GFP_KERNEL);
-	if (encoder == NULL)
-		return -ENOMEM;
-
-	/* Locate drm bridge from the hdmi encoder DT node */
-	bridge = of_drm_find_bridge(np);
-	if (!bridge)
-		return -EPROBE_DEFER;
-
-	encoder->possible_crtcs = 1;
-	encoder->possible_clones = 0;
-	ret = drm_encoder_init(drm, encoder, &arcpgu_drm_encoder_funcs,
-			       DRM_MODE_ENCODER_TMDS, NULL);
-	if (ret)
-		return ret;
-
-	/* Link drm_bridge to encoder */
-	ret = drm_bridge_attach(encoder, bridge, NULL, 0);
-	if (ret)
-		drm_encoder_cleanup(encoder);
-
-	return ret;
-}

drivers/gpu/drm/arc/arcpgu_regs.h

···
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * ARC PGU DRM driver.
- *
- * Copyright (C) 2016 Synopsys, Inc. (www.synopsys.com)
- */
-
-#ifndef _ARC_PGU_REGS_H_
-#define _ARC_PGU_REGS_H_
-
-#define ARCPGU_REG_CTRL		0x00
-#define ARCPGU_REG_STAT		0x04
-#define ARCPGU_REG_FMT		0x10
-#define ARCPGU_REG_HSYNC	0x14
-#define ARCPGU_REG_VSYNC	0x18
-#define ARCPGU_REG_ACTIVE	0x1c
-#define ARCPGU_REG_BUF0_ADDR	0x40
-#define ARCPGU_REG_STRIDE	0x50
-#define ARCPGU_REG_START_SET	0x84
-
-#define ARCPGU_REG_ID		0x3FC
-
-#define ARCPGU_CTRL_ENABLE_MASK	0x02
-#define ARCPGU_CTRL_VS_POL_MASK	0x1
-#define ARCPGU_CTRL_VS_POL_OFST	0x3
-#define ARCPGU_CTRL_HS_POL_MASK	0x1
-#define ARCPGU_CTRL_HS_POL_OFST	0x4
-#define ARCPGU_MODE_XRGB8888	BIT(2)
-#define ARCPGU_STAT_BUSY_MASK	0x02
-
-#endif

drivers/gpu/drm/arc/arcpgu_sim.c

···
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * ARC PGU DRM driver.
- *
- * Copyright (C) 2016 Synopsys, Inc. (www.synopsys.com)
- */
-
-#include <drm/drm_atomic_helper.h>
-#include <drm/drm_device.h>
-#include <drm/drm_probe_helper.h>
-
-#include "arcpgu.h"
-
-#define XRES_DEF	640
-#define YRES_DEF	480
-
-#define XRES_MAX	8192
-#define YRES_MAX	8192
-
-
-struct arcpgu_drm_connector {
-	struct drm_connector connector;
-};
-
-static int arcpgu_drm_connector_get_modes(struct drm_connector *connector)
-{
-	int count;
-
-	count = drm_add_modes_noedid(connector, XRES_MAX, YRES_MAX);
-	drm_set_preferred_mode(connector, XRES_DEF, YRES_DEF);
-	return count;
-}
-
-static void arcpgu_drm_connector_destroy(struct drm_connector *connector)
-{
-	drm_connector_unregister(connector);
-	drm_connector_cleanup(connector);
-}
-
-static const struct drm_connector_helper_funcs
-arcpgu_drm_connector_helper_funcs = {
-	.get_modes = arcpgu_drm_connector_get_modes,
-};
-
-static const struct drm_connector_funcs arcpgu_drm_connector_funcs = {
-	.reset = drm_atomic_helper_connector_reset,
-	.fill_modes = drm_helper_probe_single_connector_modes,
-	.destroy = arcpgu_drm_connector_destroy,
-	.atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
-	.atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
-};
-
-static struct drm_encoder_funcs arcpgu_drm_encoder_funcs = {
-	.destroy = drm_encoder_cleanup,
-};
-
-int arcpgu_drm_sim_init(struct drm_device *drm, struct device_node *np)
-{
-	struct arcpgu_drm_connector *arcpgu_connector;
-	struct drm_encoder *encoder;
-	struct drm_connector *connector;
-	int ret;
-
-	encoder = devm_kzalloc(drm->dev, sizeof(*encoder), GFP_KERNEL);
-	if (encoder == NULL)
-		return -ENOMEM;
-
-	encoder->possible_crtcs = 1;
-	encoder->possible_clones = 0;
-
-	ret = drm_encoder_init(drm, encoder, &arcpgu_drm_encoder_funcs,
-			       DRM_MODE_ENCODER_VIRTUAL, NULL);
-	if (ret)
-		return ret;
-
-	arcpgu_connector = devm_kzalloc(drm->dev, sizeof(*arcpgu_connector),
-					GFP_KERNEL);
-	if (!arcpgu_connector) {
-		ret = -ENOMEM;
-		goto error_encoder_cleanup;
-	}
-
-	connector = &arcpgu_connector->connector;
-	drm_connector_helper_add(connector, &arcpgu_drm_connector_helper_funcs);
-
-	ret = drm_connector_init(drm, connector, &arcpgu_drm_connector_funcs,
-			DRM_MODE_CONNECTOR_VIRTUAL);
-	if (ret < 0) {
-		dev_err(drm->dev, "failed to initialize drm connector\n");
-		goto error_encoder_cleanup;
-	}
-
-	ret = drm_connector_attach_encoder(connector, encoder);
-	if (ret < 0) {
-		dev_err(drm->dev, "could not attach connector to encoder\n");
-		drm_connector_unregister(connector);
-		goto error_connector_cleanup;
-	}
-
-	return 0;
-
-error_connector_cleanup:
-	drm_connector_cleanup(connector);
-
-error_encoder_cleanup:
-	drm_encoder_cleanup(encoder);
-	return ret;
-}

drivers/gpu/drm/arm/display/komeda/komeda_format_caps.h

···
 
 extern u64 komeda_supported_modifiers[];
 
-static inline const char *komeda_get_format_name(u32 fourcc, u64 modifier)
-{
-	struct drm_format_name_buf buf;
-	static char name[64];
-
-	snprintf(name, sizeof(name), "%s with modifier: 0x%llx.",
-		 drm_get_format_name(fourcc, &buf), modifier);
-
-	return name;
-}
-
 const struct komeda_format_caps *
 komeda_get_format_caps(struct komeda_format_caps_table *table,
 		       u32 fourcc, u64 modifier);

drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.c

···
 	supported = komeda_format_mod_supported(&mdev->fmt_tbl, layer_type,
 						fourcc, modifier, rot);
 	if (!supported)
-		DRM_DEBUG_ATOMIC("Layer TYPE: %d doesn't support fb FMT: %s.\n",
-			layer_type, komeda_get_format_name(fourcc, modifier));
+		DRM_DEBUG_ATOMIC("Layer TYPE: %d doesn't support fb FMT: %p4cc with modifier: 0x%llx.\n",
+				 layer_type, &fourcc, modifier);
 
 	return supported;
 }

drivers/gpu/drm/arm/display/komeda/komeda_kms.c

···
 static void komeda_kms_commit_tail(struct drm_atomic_state *old_state)
 {
 	struct drm_device *dev = old_state->dev;
+	bool fence_cookie = dma_fence_begin_signalling();
 
 	drm_atomic_helper_commit_modeset_disables(dev, old_state);
 
···
 	drm_atomic_helper_commit_hw_done(old_state);
 
 	drm_atomic_helper_wait_for_flip_done(dev, old_state);
+
+	dma_fence_end_signalling(fence_cookie);
 
 	drm_atomic_helper_cleanup_planes(dev, old_state);
 }

drivers/gpu/drm/arm/display/komeda/komeda_plane.c

···
 
 	dflow->rot = drm_rotation_simplify(st->rotation, caps->supported_rots);
 	if (!has_bits(dflow->rot, caps->supported_rots)) {
-		DRM_DEBUG_ATOMIC("rotation(0x%x) isn't supported by %s.\n",
-				 dflow->rot,
-				 komeda_get_format_name(caps->fourcc,
-							fb->modifier));
+		DRM_DEBUG_ATOMIC("rotation(0x%x) isn't supported by %p4cc with modifier: 0x%llx.\n",
+				 dflow->rot, &caps->fourcc, fb->modifier);
 		return -EINVAL;
 	}
 
···
  */
 static int
 komeda_plane_atomic_check(struct drm_plane *plane,
-			  struct drm_plane_state *state)
+			  struct drm_atomic_state *state)
 {
+	struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
+										 plane);
 	struct komeda_plane *kplane = to_kplane(plane);
-	struct komeda_plane_state *kplane_st = to_kplane_st(state);
+	struct komeda_plane_state *kplane_st = to_kplane_st(new_plane_state);
 	struct komeda_layer *layer = kplane->layer;
 	struct drm_crtc_state *crtc_st;
 	struct komeda_crtc_state *kcrtc_st;
 	struct komeda_data_flow_cfg dflow;
 	int err;
 
-	if (!state->crtc || !state->fb)
+	if (!new_plane_state->crtc || !new_plane_state->fb)
 		return 0;
 
-	crtc_st = drm_atomic_get_crtc_state(state->state, state->crtc);
+	crtc_st = drm_atomic_get_crtc_state(state,
+					    new_plane_state->crtc);
 	if (IS_ERR(crtc_st) || !crtc_st->enable) {
 		DRM_DEBUG_ATOMIC("Cannot update plane on a disabled CRTC.\n");
 		return -EINVAL;
···
 
 	kcrtc_st = to_kcrtc_st(crtc_st);
 
-	err = komeda_plane_init_data_flow(state, kcrtc_st, &dflow);
+	err = komeda_plane_init_data_flow(new_plane_state, kcrtc_st, &dflow);
 	if (err)
 		return err;
 
···
  */
 static void
 komeda_plane_atomic_update(struct drm_plane *plane,
-			   struct drm_plane_state *old_state)
+			   struct drm_atomic_state *state)
 {
 }
 

drivers/gpu/drm/arm/hdlcd_crtc.c

···
 };
 
 static int hdlcd_plane_atomic_check(struct drm_plane *plane,
-				    struct drm_plane_state *state)
+				    struct drm_atomic_state *state)
 {
+	struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
+										 plane);
 	int i;
 	struct drm_crtc *crtc;
 	struct drm_crtc_state *crtc_state;
-	u32 src_h = state->src_h >> 16;
+	u32 src_h = new_plane_state->src_h >> 16;
 
 	/* only the HDLCD_REG_FB_LINE_COUNT register has a limit */
 	if (src_h >= HDLCD_MAX_YRES) {
···
 		return -EINVAL;
 	}
 
-	for_each_new_crtc_in_state(state->state, crtc, crtc_state, i) {
+	for_each_new_crtc_in_state(state, crtc, crtc_state,
+				   i) {
 		/* we cannot disable the plane while the CRTC is active */
-		if (!state->fb && crtc_state->active)
+		if (!new_plane_state->fb && crtc_state->active)
 			return -EINVAL;
-		return drm_atomic_helper_check_plane_state(state, crtc_state,
-						DRM_PLANE_HELPER_NO_SCALING,
-						DRM_PLANE_HELPER_NO_SCALING,
-						false, true);
+		return drm_atomic_helper_check_plane_state(new_plane_state,
+							   crtc_state,
+							   DRM_PLANE_HELPER_NO_SCALING,
+							   DRM_PLANE_HELPER_NO_SCALING,
+							   false, true);
 	}
 
 	return 0;
 }
 
 static void hdlcd_plane_atomic_update(struct drm_plane *plane,
-				      struct drm_plane_state *state)
+				      struct drm_atomic_state *state)
 {
-	struct drm_framebuffer *fb = plane->state->fb;
+	struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
+										 plane);
+	struct drm_framebuffer *fb = new_plane_state->fb;
 	struct hdlcd_drm_private *hdlcd;
 	u32 dest_h;
 	dma_addr_t scanout_start;
···
 	if (!fb)
 		return;
 
-	dest_h = drm_rect_height(&plane->state->dst);
-	scanout_start = drm_fb_cma_get_gem_addr(fb, plane->state, 0);
+	dest_h = drm_rect_height(&new_plane_state->dst);
+	scanout_start = drm_fb_cma_get_gem_addr(fb, new_plane_state, 0);
 
 	hdlcd = plane->dev->dev_private;
 	hdlcd_write(hdlcd, HDLCD_REG_FB_LINE_LENGTH, fb->pitches[0]);

drivers/gpu/drm/arm/malidp_drv.c

···
 	struct drm_crtc *crtc;
 	struct drm_crtc_state *old_crtc_state;
 	int i;
+	bool fence_cookie = dma_fence_begin_signalling();
 
 	pm_runtime_get_sync(drm->dev);
 
···
 	drm_atomic_helper_commit_modeset_enables(drm, state);
 
 	malidp_atomic_commit_hw_done(state);
+
+	dma_fence_end_signalling(fence_cookie);
 
 	pm_runtime_put(drm->dev);
 

drivers/gpu/drm/arm/malidp_mw.c

···
 		malidp_hw_get_format_id(&malidp->dev->hw->map, SE_MEMWRITE,
 					fb->format->format, !!fb->modifier);
 	if (mw_state->format == MALIDP_INVALID_FORMAT_ID) {
-		struct drm_format_name_buf format_name;
-
-		DRM_DEBUG_KMS("Invalid pixel format %s\n",
-			      drm_get_format_name(fb->format->format,
-						  &format_name));
+		DRM_DEBUG_KMS("Invalid pixel format %p4cc\n",
+			      &fb->format->format);
 		return -EINVAL;
 	}
 

drivers/gpu/drm/arm/malidp_planes.c

···
 }
 
 static int malidp_de_plane_check(struct drm_plane *plane,
-				 struct drm_plane_state *state)
+				 struct drm_atomic_state *state)
 {
+	struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
+										 plane);
 	struct malidp_plane *mp = to_malidp_plane(plane);
-	struct malidp_plane_state *ms = to_malidp_plane_state(state);
-	bool rotated = state->rotation & MALIDP_ROTATED_MASK;
+	struct malidp_plane_state *ms = to_malidp_plane_state(new_plane_state);
+	bool rotated = new_plane_state->rotation & MALIDP_ROTATED_MASK;
 	struct drm_framebuffer *fb;
-	u16 pixel_alpha = state->pixel_blend_mode;
+	u16 pixel_alpha = new_plane_state->pixel_blend_mode;
 	int i, ret;
 	unsigned int block_w, block_h;
 
-	if (!state->crtc || WARN_ON(!state->fb))
+	if (!new_plane_state->crtc || WARN_ON(!new_plane_state->fb))
 		return 0;
 
-	fb = state->fb;
+	fb = new_plane_state->fb;
 
 	ms->format = malidp_hw_get_format_id(&mp->hwdev->hw->map,
 					     mp->layer->id, fb->format->format,
···
 		DRM_DEBUG_KMS("Buffer width/height needs to be a multiple of tile sizes");
 		return -EINVAL;
 	}
-	if ((state->src_x >> 16) % block_w || (state->src_y >> 16) % block_h) {
+	if ((new_plane_state->src_x >> 16) % block_w || (new_plane_state->src_y >> 16) % block_h) {
 		DRM_DEBUG_KMS("Plane src_x/src_y needs to be a multiple of tile sizes");
 		return -EINVAL;
 	}
 
-	if ((state->crtc_w > mp->hwdev->max_line_size) ||
-	    (state->crtc_h > mp->hwdev->max_line_size) ||
-	    (state->crtc_w < mp->hwdev->min_line_size) ||
-	    (state->crtc_h < mp->hwdev->min_line_size))
+	if ((new_plane_state->crtc_w > mp->hwdev->max_line_size) ||
+	    (new_plane_state->crtc_h > mp->hwdev->max_line_size) ||
+	    (new_plane_state->crtc_w < mp->hwdev->min_line_size) ||
+	    (new_plane_state->crtc_h < mp->hwdev->min_line_size))
 		return -EINVAL;
 
 	/*
···
 	 */
 	if (ms->n_planes == 3 &&
 	    !(mp->hwdev->hw->features & MALIDP_DEVICE_LV_HAS_3_STRIDES) &&
-	    (state->fb->pitches[1] != state->fb->pitches[2]))
+	    (new_plane_state->fb->pitches[1] != new_plane_state->fb->pitches[2]))
 		return -EINVAL;
 
-	ret = malidp_se_check_scaling(mp, state);
+	ret = malidp_se_check_scaling(mp, new_plane_state);
 	if (ret)
 		return ret;
 
 	/* validate the rotation constraints for each layer */
-	if (state->rotation != DRM_MODE_ROTATE_0) {
+	if (new_plane_state->rotation != DRM_MODE_ROTATE_0) {
 		if (mp->layer->rot == ROTATE_NONE)
 			return -EINVAL;
 		if ((mp->layer->rot == ROTATE_COMPRESSED) && !(fb->modifier))
···
 	}
 
 	ms->rotmem_size = 0;
-	if (state->rotation & MALIDP_ROTATED_MASK) {
+	if (new_plane_state->rotation & MALIDP_ROTATED_MASK) {
 		int val;
 
-		val = mp->hwdev->hw->rotmem_required(mp->hwdev, state->crtc_w,
-						     state->crtc_h,
+		val = mp->hwdev->hw->rotmem_required(mp->hwdev, new_plane_state->crtc_w,
+						     new_plane_state->crtc_h,
 						     fb->format->format,
 						     !!(fb->modifier));
 		if (val < 0)
···
 	}
 
 	/* HW can't support plane + pixel blending */
-	if ((state->alpha != DRM_BLEND_ALPHA_OPAQUE) &&
+	if ((new_plane_state->alpha != DRM_BLEND_ALPHA_OPAQUE) &&
 	    (pixel_alpha != DRM_MODE_BLEND_PIXEL_NONE) &&
 	    fb->format->has_alpha)
 		return -EINVAL;
···
 }
 
 static void malidp_de_plane_update(struct drm_plane *plane,
-				   struct drm_plane_state *old_state)
+				   struct drm_atomic_state *state)
 {
+	struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state,
+									   plane);
 	struct malidp_plane *mp;
 	struct malidp_plane_state *ms = to_malidp_plane_state(plane->state);
-	struct drm_plane_state *state = plane->state;
-	u16 pixel_alpha = state->pixel_blend_mode;
-	u8 plane_alpha = state->alpha >> 8;
+	struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
+									   plane);
+	u16 pixel_alpha = new_state->pixel_blend_mode;
+	u8 plane_alpha = new_state->alpha >> 8;
 	u32 src_w, src_h, dest_w, dest_h, val;
 	int i;
 	struct drm_framebuffer *fb = plane->state->fb;
···
 		src_h = fb->height;
 	} else {
 		/* convert src values from Q16 fixed point to integer */
-		src_w = state->src_w >> 16;
-		src_h = state->src_h >> 16;
+		src_w = new_state->src_w >> 16;
+		src_h = new_state->src_h >> 16;
 	}
 
-	dest_w = state->crtc_w;
-	dest_h = state->crtc_h;
+	dest_w = new_state->crtc_w;
+	dest_h = new_state->crtc_h;
 
 	val = malidp_hw_read(mp->hwdev, mp->layer->base);
 	val = (val & ~LAYER_FORMAT_MASK) | ms->format;
···
 	malidp_de_set_mmu_control(mp, ms);
 
 	malidp_de_set_plane_pitches(mp, ms->n_planes,
-				    state->fb->pitches);
+				    new_state->fb->pitches);
 
 	if ((plane->state->color_encoding != old_state->color_encoding) ||
 	    (plane->state->color_range != old_state->color_range))
···
 	malidp_hw_write(mp->hwdev, LAYER_H_VAL(dest_w) | LAYER_V_VAL(dest_h),
 			mp->layer->base + MALIDP_LAYER_COMP_SIZE);
 
-	malidp_hw_write(mp->hwdev, LAYER_H_VAL(state->crtc_x) |
-			LAYER_V_VAL(state->crtc_y),
+	malidp_hw_write(mp->hwdev, LAYER_H_VAL(new_state->crtc_x) |
+			LAYER_V_VAL(new_state->crtc_y),
 			mp->layer->base + MALIDP_LAYER_OFFSET);
 
 	if (mp->layer->id == DE_SMART) {
···
 	val &= ~LAYER_ROT_MASK;
 
 	/* setup the rotation and axis flip bits */
-	if (state->rotation & DRM_MODE_ROTATE_MASK)
+	if (new_state->rotation & DRM_MODE_ROTATE_MASK)
 		val |= ilog2(plane->state->rotation & DRM_MODE_ROTATE_MASK) <<
 		       LAYER_ROT_OFFSET;
-	if (state->rotation & DRM_MODE_REFLECT_X)
+	if (new_state->rotation & DRM_MODE_REFLECT_X)
 		val |= LAYER_H_FLIP;
-	if (state->rotation & DRM_MODE_REFLECT_Y)
+	if (new_state->rotation & DRM_MODE_REFLECT_Y)
 		val |= LAYER_V_FLIP;
 
 	val &= ~(LAYER_COMP_MASK | LAYER_PMUL_ENABLE | LAYER_ALPHA(0xff));
 
-	if (state->alpha != DRM_BLEND_ALPHA_OPAQUE) {
+	if (new_state->alpha != DRM_BLEND_ALPHA_OPAQUE) {
 		val |= LAYER_COMP_PLANE;
-	} else if (state->fb->format->has_alpha) {
+	} else if (new_state->fb->format->has_alpha) {
 		/* We only care about blend mode if the format has alpha */
 		switch (pixel_alpha) {
 		case DRM_MODE_BLEND_PREMULTI:
···
 	val |= LAYER_ALPHA(plane_alpha);
 
 	val &= ~LAYER_FLOWCFG(LAYER_FLOWCFG_MASK);
-	if (state->crtc) {
+	if (new_state->crtc) {
 		struct malidp_crtc_state *m =
-			to_malidp_crtc_state(state->crtc->state);
+			to_malidp_crtc_state(new_state->crtc->state);
 
 		if (m->scaler_config.scale_enable &&
 		    m->scaler_config.plane_src_id == mp->layer->id)
···
 }
 
 static void malidp_de_plane_disable(struct drm_plane *plane,
-				    struct drm_plane_state *state)
+				    struct drm_atomic_state *state)
 {
 	struct malidp_plane *mp = to_malidp_plane(plane);
 

drivers/gpu/drm/armada/armada_overlay.c

···
 
 /* === Plane support === */
 static void armada_drm_overlay_plane_atomic_update(struct drm_plane *plane,
-	struct drm_plane_state *old_state)
+	struct drm_atomic_state *state)
 {
-	struct drm_plane_state *state = plane->state;
+	struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state,
+									   plane);
+	struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
+									   plane);
 	struct armada_crtc *dcrtc;
 	struct armada_regs *regs;
 	unsigned int idx;
···
 
 	DRM_DEBUG_KMS("[PLANE:%d:%s]\n", plane->base.id, plane->name);
 
-	if (!state->fb || WARN_ON(!state->crtc))
+	if (!new_state->fb || WARN_ON(!new_state->crtc))
 		return;
 
 	DRM_DEBUG_KMS("[PLANE:%d:%s] is on [CRTC:%d:%s] with [FB:%d] visible %u->%u\n",
 		plane->base.id, plane->name,
-		state->crtc->base.id, state->crtc->name,
-		state->fb->base.id,
-		old_state->visible, state->visible);
+		new_state->crtc->base.id, new_state->crtc->name,
+		new_state->fb->base.id,
+		old_state->visible, new_state->visible);
 
-	dcrtc = drm_to_armada_crtc(state->crtc);
+	dcrtc = drm_to_armada_crtc(new_state->crtc);
 	regs = dcrtc->regs + dcrtc->regs_idx;
 
 	idx = 0;
-	if (!old_state->visible && state->visible)
+	if (!old_state->visible && new_state->visible)
 		armada_reg_queue_mod(regs, idx,
 				     0, CFG_PDWN16x66 | CFG_PDWN32x66,
 				     LCD_SPU_SRAM_PARA1);
-	val = armada_src_hw(state);
+	val = armada_src_hw(new_state);
 	if (armada_src_hw(old_state) != val)
 		armada_reg_queue_set(regs, idx, val, LCD_SPU_DMA_HPXL_VLN);
-	val = armada_dst_yx(state);
+	val = armada_dst_yx(new_state);
 	if (armada_dst_yx(old_state) != val)
 		armada_reg_queue_set(regs, idx, val, LCD_SPU_DMA_OVSA_HPXL_VLN);
-	val = armada_dst_hw(state);
+	val = armada_dst_hw(new_state);
 	if (armada_dst_hw(old_state) != val)
 		armada_reg_queue_set(regs, idx, val, LCD_SPU_DZM_HPXL_VLN);
 	/* FIXME: overlay on an interlaced display */
-	if (old_state->src.x1 != state->src.x1 ||
-	    old_state->src.y1 != state->src.y1 ||
-	    old_state->fb != state->fb ||
-	    state->crtc->state->mode_changed) {
+	if (old_state->src.x1 != new_state->src.x1 ||
+	    old_state->src.y1 != new_state->src.y1 ||
+	    old_state->fb != new_state->fb ||
+	    new_state->crtc->state->mode_changed) {
 		const struct drm_format_info *format;
 		u16 src_x;
 
-		armada_reg_queue_set(regs, idx, armada_addr(state, 0, 0),
+		armada_reg_queue_set(regs, idx, armada_addr(new_state, 0, 0),
 				     LCD_SPU_DMA_START_ADDR_Y0);
-		armada_reg_queue_set(regs, idx, armada_addr(state, 0, 1),
+		armada_reg_queue_set(regs, idx, armada_addr(new_state, 0, 1),
 				     LCD_SPU_DMA_START_ADDR_U0);
-		armada_reg_queue_set(regs, idx, armada_addr(state, 0, 2),
+		armada_reg_queue_set(regs, idx, armada_addr(new_state, 0, 2),
 				     LCD_SPU_DMA_START_ADDR_V0);
-		armada_reg_queue_set(regs, idx, armada_addr(state, 1, 0),
+		armada_reg_queue_set(regs, idx, armada_addr(new_state, 1, 0),
 				     LCD_SPU_DMA_START_ADDR_Y1);
-		armada_reg_queue_set(regs, idx, armada_addr(state, 1, 1),
+		armada_reg_queue_set(regs, idx, armada_addr(new_state, 1, 1),
 				     LCD_SPU_DMA_START_ADDR_U1);
-		armada_reg_queue_set(regs, idx, armada_addr(state, 1, 2),
+		armada_reg_queue_set(regs, idx, armada_addr(new_state, 1, 2),
 				     LCD_SPU_DMA_START_ADDR_V1);
 
-		val = armada_pitch(state, 0) << 16 | armada_pitch(state, 0);
+		val = armada_pitch(new_state, 0) << 16 | armada_pitch(new_state,
+								      0);
 		armada_reg_queue_set(regs, idx, val, LCD_SPU_DMA_PITCH_YC);
-		val = armada_pitch(state, 1) << 16 | armada_pitch(state, 2);
+		val = armada_pitch(new_state, 1) << 16 | armada_pitch(new_state,
+								      2);
 		armada_reg_queue_set(regs, idx, val, LCD_SPU_DMA_PITCH_UV);
 
-		cfg = CFG_DMA_FMT(drm_fb_to_armada_fb(state->fb)->fmt) |
-		      CFG_DMA_MOD(drm_fb_to_armada_fb(state->fb)->mod) |
+		cfg = CFG_DMA_FMT(drm_fb_to_armada_fb(new_state->fb)->fmt) |
+		      CFG_DMA_MOD(drm_fb_to_armada_fb(new_state->fb)->mod) |
 		      CFG_CBSH_ENA;
-		if (state->visible)
+		if (new_state->visible)
 			cfg |= CFG_DMA_ENA;
 
 		/*
···
 		 * U/V planes to swap.  Compensate for it by also toggling
 		 * the UV swap.
 		 */
-		format = state->fb->format;
-		src_x = state->src.x1 >> 16;
+		format = new_state->fb->format;
+		src_x = new_state->src.x1 >> 16;
 		if (format->num_planes == 1 && src_x & (format->hsub - 1))
 			cfg ^= CFG_DMA_MOD(CFG_SWAPUV);
-		if (to_armada_plane_state(state)->interlace)
+		if (to_armada_plane_state(new_state)->interlace)
 			cfg |= CFG_DMA_FTOGGLE;
 		cfg_mask = CFG_CBSH_ENA | CFG_DMAFORMAT |
 			   CFG_DMA_MOD(CFG_SWAPRB | CFG_SWAPUV |
 				       CFG_SWAPYU | CFG_YUV2RGB) |
 			   CFG_DMA_FTOGGLE | CFG_DMA_TSTMODE |
 			   CFG_DMA_ENA;
-	} else if (old_state->visible != state->visible) {
-		cfg = state->visible ? CFG_DMA_ENA : 0;
+	} else if (old_state->visible != new_state->visible) {
+		cfg = new_state->visible ? CFG_DMA_ENA : 0;
 		cfg_mask = CFG_DMA_ENA;
 	} else {
 		cfg = cfg_mask = 0;
 	}
-	if (drm_rect_width(&old_state->src) != drm_rect_width(&state->src) ||
-	    drm_rect_width(&old_state->dst) != drm_rect_width(&state->dst)) {
+	if (drm_rect_width(&old_state->src) != drm_rect_width(&new_state->src) ||
+	    drm_rect_width(&old_state->dst) != drm_rect_width(&new_state->dst)) {
 		cfg_mask |= CFG_DMA_HSMOOTH;
-		if (drm_rect_width(&state->src) >> 16 !=
-		    drm_rect_width(&state->dst))
+		if (drm_rect_width(&new_state->src) >> 16 !=
+		    drm_rect_width(&new_state->dst))
 			cfg |= CFG_DMA_HSMOOTH;
 	}
 
···
 		armada_reg_queue_mod(regs, idx, cfg, cfg_mask,
 				     LCD_SPU_DMA_CTRL0);
 
-	val = armada_spu_contrast(state);
-	if ((!old_state->visible && state->visible) ||
+	val = armada_spu_contrast(new_state);
+	if ((!old_state->visible && new_state->visible) ||
 	    armada_spu_contrast(old_state) != val)
 		armada_reg_queue_set(regs, idx, val, LCD_SPU_CONTRAST);
-	val = armada_spu_saturation(state);
-	if ((!old_state->visible && state->visible) ||
+	val = armada_spu_saturation(new_state);
+	if ((!old_state->visible && new_state->visible) ||
 	    armada_spu_saturation(old_state) != val)
 		armada_reg_queue_set(regs, idx, val, LCD_SPU_SATURATION);
-	if (!old_state->visible && state->visible)
+	if (!old_state->visible && new_state->visible)
 		armada_reg_queue_set(regs, idx, 0x00002000, LCD_SPU_CBSH_HUE);
-	val = armada_csc(state);
-	if ((!old_state->visible && state->visible) ||
+	val = armada_csc(new_state);
+	if ((!old_state->visible && new_state->visible) ||
 	    armada_csc(old_state) != val)
 		armada_reg_queue_mod(regs, idx, val, CFG_CSC_MASK,
 				     LCD_SPU_IOPAD_CONTROL);
-	val = drm_to_overlay_state(state)->colorkey_yr;
-	if ((!old_state->visible && state->visible) ||
+	val = drm_to_overlay_state(new_state)->colorkey_yr;
+	if ((!old_state->visible && new_state->visible) ||
 	    drm_to_overlay_state(old_state)->colorkey_yr != val)
 		armada_reg_queue_set(regs, idx, val, LCD_SPU_COLORKEY_Y);
-	val = drm_to_overlay_state(state)->colorkey_ug;
-	if ((!old_state->visible && state->visible) ||
+	val = drm_to_overlay_state(new_state)->colorkey_ug;
+	if ((!old_state->visible && new_state->visible) ||
 	    drm_to_overlay_state(old_state)->colorkey_ug != val)
 		armada_reg_queue_set(regs, idx, val, LCD_SPU_COLORKEY_U);
-	val = drm_to_overlay_state(state)->colorkey_vb;
-	if ((!old_state->visible && state->visible) ||
+	val = drm_to_overlay_state(new_state)->colorkey_vb;
+	if ((!old_state->visible && new_state->visible) ||
 	    drm_to_overlay_state(old_state)->colorkey_vb != val)
 		armada_reg_queue_set(regs, idx, val, LCD_SPU_COLORKEY_V);
-	val = drm_to_overlay_state(state)->colorkey_mode;
-	if ((!old_state->visible && state->visible) ||
+	val = drm_to_overlay_state(new_state)->colorkey_mode;
+	if ((!old_state->visible && new_state->visible) ||
 	    drm_to_overlay_state(old_state)->colorkey_mode != val)
 		armada_reg_queue_mod(regs, idx, val, CFG_CKMODE_MASK |
 				     CFG_ALPHAM_MASK | CFG_ALPHA_MASK,
 				     LCD_SPU_DMA_CTRL1);
-	val = drm_to_overlay_state(state)->colorkey_enable;
-	if (((!old_state->visible && state->visible) ||
+	val = drm_to_overlay_state(new_state)->colorkey_enable;
+	if (((!old_state->visible && new_state->visible) ||
 	     drm_to_overlay_state(old_state)->colorkey_enable != val) &&
 	    dcrtc->variant->has_spu_adv_reg)
 		armada_reg_queue_mod(regs, idx, val, ADV_GRACOLORKEY |
···
 }
 
 static void armada_drm_overlay_plane_atomic_disable(struct drm_plane *plane,
-	struct drm_plane_state *old_state)
+	struct drm_atomic_state *state)
 {
+	struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state,
+									   plane);
 	struct armada_crtc *dcrtc;
 	struct armada_regs *regs;
 	unsigned int idx = 0;

drivers/gpu/drm/armada/armada_plane.c

···
 }
 
 int armada_drm_plane_atomic_check(struct drm_plane *plane,
-	struct drm_plane_state *state)
+	struct drm_atomic_state *state)
 {
-	struct armada_plane_state *st = to_armada_plane_state(state);
-	struct drm_crtc *crtc = state->crtc;
+	struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
+										 plane);
+	struct armada_plane_state *st = to_armada_plane_state(new_plane_state);
+	struct drm_crtc *crtc = new_plane_state->crtc;
 	struct drm_crtc_state *crtc_state;
 	bool interlace;
 	int ret;
 
-	if (!state->fb || WARN_ON(!state->crtc)) {
-		state->visible = false;
+	if (!new_plane_state->fb || WARN_ON(!new_plane_state->crtc)) {
+		new_plane_state->visible = false;
 		return 0;
 	}
 
-	if (state->state)
-		crtc_state = drm_atomic_get_existing_crtc_state(state->state, crtc);
+	if (state)
+		crtc_state = drm_atomic_get_existing_crtc_state(state,
+								crtc);
 	else
 		crtc_state = crtc->state;
 
-	ret = drm_atomic_helper_check_plane_state(state, crtc_state, 0,
+	ret = drm_atomic_helper_check_plane_state(new_plane_state, crtc_state,
+						  0,
 						  INT_MAX, true, false);
 	if (ret)
 		return ret;
 
 	interlace = crtc_state->adjusted_mode.flags & DRM_MODE_FLAG_INTERLACE;
 	if (interlace) {
-		if ((state->dst.y1 | state->dst.y2) & 1)
+		if ((new_plane_state->dst.y1 | new_plane_state->dst.y2) & 1)
 			return -EINVAL;
-		st->src_hw = drm_rect_height(&state->src) >> 17;
-		st->dst_yx = state->dst.y1 >> 1;
-		st->dst_hw = drm_rect_height(&state->dst) >> 1;
+		st->src_hw = drm_rect_height(&new_plane_state->src) >> 17;
+		st->dst_yx = new_plane_state->dst.y1 >> 1;
+		st->dst_hw = drm_rect_height(&new_plane_state->dst) >> 1;
 	} else {
-		st->src_hw = drm_rect_height(&state->src) >> 16;
-		st->dst_yx = state->dst.y1;
-		st->dst_hw = drm_rect_height(&state->dst);
+		st->src_hw = drm_rect_height(&new_plane_state->src) >> 16;
+		st->dst_yx = new_plane_state->dst.y1;
+		st->dst_hw = drm_rect_height(&new_plane_state->dst);
 	}
 
 	st->src_hw <<= 16;
-	st->src_hw |= drm_rect_width(&state->src) >> 16;
+	st->src_hw |= drm_rect_width(&new_plane_state->src) >> 16;
 	st->dst_yx <<= 16;
-	st->dst_yx |= state->dst.x1 & 0x0000ffff;
+	st->dst_yx |= new_plane_state->dst.x1 & 0x0000ffff;
 	st->dst_hw <<= 16;
-	st->dst_hw |= drm_rect_width(&state->dst) & 0x0000ffff;
+	st->dst_hw |= drm_rect_width(&new_plane_state->dst) & 0x0000ffff;
 
-	armada_drm_plane_calc(state, st->addrs, st->pitches, interlace);
+	armada_drm_plane_calc(new_plane_state, st->addrs, st->pitches,
+			      interlace);
 	st->interlace = interlace;
 
 	return 0;
 }
 
 static void armada_drm_primary_plane_atomic_update(struct drm_plane *plane,
-	struct drm_plane_state *old_state)
+	struct drm_atomic_state *state)
 {
-	struct drm_plane_state *state = plane->state;
+	struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state,
+									   plane);
+	struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
+									   plane);
 	struct armada_crtc *dcrtc;
 	struct armada_regs *regs;
 	u32 cfg, cfg_mask, val;
···
 
 	DRM_DEBUG_KMS("[PLANE:%d:%s]\n", plane->base.id, plane->name);
 
-	if (!state->fb || WARN_ON(!state->crtc))
+	if (!new_state->fb || WARN_ON(!new_state->crtc))
 		return;
 
 	DRM_DEBUG_KMS("[PLANE:%d:%s] is on [CRTC:%d:%s] with [FB:%d] visible %u->%u\n",
 		plane->base.id, plane->name,
-		state->crtc->base.id, state->crtc->name,
-		state->fb->base.id,
-		old_state->visible, state->visible);
+		new_state->crtc->base.id, new_state->crtc->name,
+		new_state->fb->base.id,
+		old_state->visible, new_state->visible);
 
-	dcrtc = drm_to_armada_crtc(state->crtc);
+	dcrtc = drm_to_armada_crtc(new_state->crtc);
 	regs = dcrtc->regs + dcrtc->regs_idx;
 
 	idx = 0;
-	if (!old_state->visible && state->visible) {
+	if (!old_state->visible && new_state->visible) {
 		val = CFG_PDWN64x66;
-		if (drm_fb_to_armada_fb(state->fb)->fmt > CFG_420)
+		if (drm_fb_to_armada_fb(new_state->fb)->fmt > CFG_420)
 			val |= CFG_PDWN256x24;
 		armada_reg_queue_mod(regs, idx, 0, val, LCD_SPU_SRAM_PARA1);
 	}
-	val = armada_src_hw(state);
+	val = armada_src_hw(new_state);
 	if (armada_src_hw(old_state) != val)
 		armada_reg_queue_set(regs, idx, val, LCD_SPU_GRA_HPXL_VLN);
-	val = armada_dst_yx(state);
+	val = armada_dst_yx(new_state);
 	if (armada_dst_yx(old_state) != val)
 		armada_reg_queue_set(regs, idx, val, LCD_SPU_GRA_OVSA_HPXL_VLN);
-	val = armada_dst_hw(state);
+	val = armada_dst_hw(new_state);
 	if (armada_dst_hw(old_state) != val)
 		armada_reg_queue_set(regs, idx, val, LCD_SPU_GZM_HPXL_VLN);
-	if (old_state->src.x1 != state->src.x1 ||
-	    old_state->src.y1 != state->src.y1 ||
-	    old_state->fb != state->fb ||
-	    state->crtc->state->mode_changed) {
-		armada_reg_queue_set(regs, idx, armada_addr(state, 0, 0),
+	if (old_state->src.x1 != new_state->src.x1 ||
+	    old_state->src.y1 != new_state->src.y1 ||
+	    old_state->fb != new_state->fb ||
+	    new_state->crtc->state->mode_changed) {
+		armada_reg_queue_set(regs, idx, armada_addr(new_state, 0, 0),
 				     LCD_CFG_GRA_START_ADDR0);
-		armada_reg_queue_set(regs, idx, armada_addr(state, 1, 0),
+		armada_reg_queue_set(regs, idx, armada_addr(new_state, 1, 0),
 				     LCD_CFG_GRA_START_ADDR1);
-		armada_reg_queue_mod(regs, idx, armada_pitch(state, 0), 0xffff,
+		armada_reg_queue_mod(regs, idx, armada_pitch(new_state, 0),
+				     0xffff,
 				     LCD_CFG_GRA_PITCH);
 	}
-	if (old_state->fb != state->fb ||
-	    state->crtc->state->mode_changed) {
-		cfg = CFG_GRA_FMT(drm_fb_to_armada_fb(state->fb)->fmt) |
-		      CFG_GRA_MOD(drm_fb_to_armada_fb(state->fb)->mod);
-		if (drm_fb_to_armada_fb(state->fb)->fmt > CFG_420)
+	if (old_state->fb != new_state->fb ||
+	    new_state->crtc->state->mode_changed) {
+		cfg = CFG_GRA_FMT(drm_fb_to_armada_fb(new_state->fb)->fmt) |
+		      CFG_GRA_MOD(drm_fb_to_armada_fb(new_state->fb)->mod);
+		if (drm_fb_to_armada_fb(new_state->fb)->fmt > CFG_420)
 			cfg |= CFG_PALETTE_ENA;
-		if (state->visible)
+		if (new_state->visible)
 			cfg |= CFG_GRA_ENA;
-		if (to_armada_plane_state(state)->interlace)
+		if (to_armada_plane_state(new_state)->interlace)
 			cfg |= CFG_GRA_FTOGGLE;
 		cfg_mask = CFG_GRAFORMAT |
 			   CFG_GRA_MOD(CFG_SWAPRB | CFG_SWAPUV |
 				       CFG_SWAPYU | CFG_YUV2RGB) |
 			   CFG_PALETTE_ENA | CFG_GRA_FTOGGLE |
 			   CFG_GRA_ENA;
-	} else if (old_state->visible != state->visible) {
-		cfg = state->visible ? CFG_GRA_ENA : 0;
+	} else if (old_state->visible != new_state->visible) {
+		cfg = new_state->visible ? CFG_GRA_ENA : 0;
 		cfg_mask = CFG_GRA_ENA;
 	} else {
 		cfg = cfg_mask = 0;
 	}
-	if (drm_rect_width(&old_state->src) != drm_rect_width(&state->src) ||
-	    drm_rect_width(&old_state->dst) != drm_rect_width(&state->dst)) {
+	if (drm_rect_width(&old_state->src) != drm_rect_width(&new_state->src) ||
+	    drm_rect_width(&old_state->dst) != drm_rect_width(&new_state->dst)) {
 		cfg_mask |= CFG_GRA_HSMOOTH;
-		if (drm_rect_width(&state->src) >> 16 !=
-		    drm_rect_width(&state->dst))
+		if (drm_rect_width(&new_state->src) >> 16 !=
+		    drm_rect_width(&new_state->dst))
 			cfg |= CFG_GRA_HSMOOTH;
 	}
 
···
 }
 
 static void armada_drm_primary_plane_atomic_disable(struct drm_plane *plane,
-	struct drm_plane_state *old_state)
+	struct drm_atomic_state *state)
 {
+	struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state,
+									   plane);
 	struct armada_crtc *dcrtc;
 	struct armada_regs *regs;
 	unsigned int idx = 0;

drivers/gpu/drm/armada/armada_plane.h

···
 void armada_drm_plane_cleanup_fb(struct drm_plane *plane,
 	struct drm_plane_state *old_state);
 int armada_drm_plane_atomic_check(struct drm_plane *plane,
-	struct drm_plane_state *state);
+	struct drm_atomic_state *state);
 void armada_plane_reset(struct drm_plane *plane);
 struct drm_plane_state *armada_plane_duplicate_state(struct drm_plane *plane);
 void armada_plane_destroy_state(struct drm_plane *plane,

drivers/gpu/drm/aspeed/aspeed_gfx.h

···
 	struct reset_control		*rst;
 	struct regmap			*scu;
 
+	u32				dac_reg;
+	u32				vga_scratch_reg;
+	u32				throd_val;
+	u32				scan_line_max;
+
 	struct drm_simple_display_pipe	pipe;
 	struct drm_connector		connector;
 };
···
 /* CRT_THROD */
 #define CRT_THROD_LOW(x)		(x)
 #define CRT_THROD_HIGH(x)		((x) << 8)
-
-/* Default Threshold Seting */
-#define G5_CRT_THROD_VAL	(CRT_THROD_LOW(0x24) | CRT_THROD_HIGH(0x3C))

drivers/gpu/drm/aspeed/aspeed_gfx_crtc.c

···
 #include <drm/drm_device.h>
 #include <drm/drm_fb_cma_helper.h>
 #include <drm/drm_fourcc.h>
+#include <drm/drm_gem_atomic_helper.h>
 #include <drm/drm_gem_cma_helper.h>
-#include <drm/drm_gem_framebuffer_helper.h>
 #include <drm/drm_panel.h>
 #include <drm/drm_simple_kms_helper.h>
 #include <drm/drm_vblank.h>
···
 	u32 ctrl1 = readl(priv->base + CRT_CTRL1);
 	u32 ctrl2 = readl(priv->base + CRT_CTRL2);
 
-	/* SCU2C: set DAC source for display output to Graphics CRT (GFX) */
-	regmap_update_bits(priv->scu, 0x2c, BIT(16), BIT(16));
+	/* Set DAC source for display output to Graphics CRT (GFX) */
+	regmap_update_bits(priv->scu, priv->dac_reg, BIT(16), BIT(16));
 
 	writel(ctrl1 | CRT_CTRL_EN, priv->base + CRT_CTRL1);
 	writel(ctrl2 | CRT_CTRL_DAC_EN, priv->base + CRT_CTRL2);
···
 	writel(ctrl1 & ~CRT_CTRL_EN, priv->base + CRT_CTRL1);
 	writel(ctrl2 & ~CRT_CTRL_DAC_EN, priv->base + CRT_CTRL2);
 
-	regmap_update_bits(priv->scu, 0x2c, BIT(16), 0);
+	regmap_update_bits(priv->scu, priv->dac_reg, BIT(16), 0);
 }
 
 static void aspeed_gfx_crtc_mode_set_nofb(struct aspeed_gfx *priv)
···
 	 * Terminal Count: memory size of one scan line
 	 */
 	d_offset = m->hdisplay * bpp / 8;
-	t_count = (m->hdisplay * bpp + 127) / 128;
+	t_count = DIV_ROUND_UP(m->hdisplay * bpp, priv->scan_line_max);
+
 	writel(CRT_DISP_OFFSET(d_offset) | CRT_TERM_COUNT(t_count),
 			priv->base + CRT_OFFSET);
 
···
 	 * Threshold: FIFO thresholds of refill and stop (16 byte chunks
 	 * per line, rounded up)
 	 */
-	writel(G5_CRT_THROD_VAL, priv->base + CRT_THROD);
+	writel(priv->throd_val, priv->base + CRT_THROD);
 }
 
 static void aspeed_gfx_pipe_enable(struct drm_simple_display_pipe *pipe,
···
 	.enable		= aspeed_gfx_pipe_enable,
 	.disable	= aspeed_gfx_pipe_disable,
 	.update		= aspeed_gfx_pipe_update,
-	.prepare_fb	= drm_gem_fb_simple_display_pipe_prepare_fb,
+	.prepare_fb	= drm_gem_simple_display_pipe_prepare_fb,
 	.enable_vblank	= aspeed_gfx_enable_vblank,
 	.disable_vblank	= aspeed_gfx_disable_vblank,
 };

drivers/gpu/drm/aspeed/aspeed_gfx_drv.c

···
 #include <linux/mfd/syscon.h>
 #include <linux/module.h>
 #include <linux/of.h>
+#include <linux/of_device.h>
 #include <linux/of_reserved_mem.h>
 #include <linux/platform_device.h>
 #include <linux/regmap.h>
···
  * which is available under NDA from ASPEED.
  */
 
+struct aspeed_gfx_config {
+	u32 dac_reg;		/* DAC register in SCU */
+	u32 vga_scratch_reg;	/* VGA scratch register in SCU */
+	u32 throd_val;		/* Default Threshold Seting */
+	u32 scan_line_max;	/* Max memory size of one scan line */
+};
+
+static const struct aspeed_gfx_config ast2400_config = {
+	.dac_reg = 0x2c,
+	.vga_scratch_reg = 0x50,
+	.throd_val = CRT_THROD_LOW(0x1e) | CRT_THROD_HIGH(0x12),
+	.scan_line_max = 64,
+};
+
+static const struct aspeed_gfx_config ast2500_config = {
+	.dac_reg = 0x2c,
+	.vga_scratch_reg = 0x50,
+	.throd_val = CRT_THROD_LOW(0x24) | CRT_THROD_HIGH(0x3c),
+	.scan_line_max = 128,
+};
+
+static const struct of_device_id aspeed_gfx_match[] = {
+	{ .compatible = "aspeed,ast2400-gfx", .data = &ast2400_config },
+	{ .compatible = "aspeed,ast2500-gfx", .data = &ast2500_config },
+	{ },
+};
+MODULE_DEVICE_TABLE(of, aspeed_gfx_match);
+
 static const struct drm_mode_config_funcs aspeed_gfx_mode_config_funcs = {
 	.fb_create		= drm_gem_fb_create,
 	.atomic_check		= drm_atomic_helper_check,
···
 	return IRQ_NONE;
 }
 
-
-
 static int aspeed_gfx_load(struct drm_device *drm)
 {
 	struct platform_device *pdev = to_platform_device(drm->dev);
 	struct aspeed_gfx *priv = to_aspeed_gfx(drm);
+	struct device_node *np = pdev->dev.of_node;
+	const struct aspeed_gfx_config *config;
+	const struct of_device_id *match;
 	struct resource *res;
 	int ret;
 
···
 	if (IS_ERR(priv->base))
 		return PTR_ERR(priv->base);
 
-	priv->scu = syscon_regmap_lookup_by_compatible("aspeed,ast2500-scu");
+	match = of_match_device(aspeed_gfx_match, &pdev->dev);
+	if (!match)
+		return -EINVAL;
+	config = match->data;
+
+	priv->dac_reg = config->dac_reg;
+	priv->vga_scratch_reg = config->vga_scratch_reg;
+	priv->throd_val = config->throd_val;
+	priv->scan_line_max = config->scan_line_max;
+
+	priv->scu = syscon_regmap_lookup_by_phandle(np, "syscon");
 	if (IS_ERR(priv->scu)) {
-		dev_err(&pdev->dev, "failed to find SCU regmap\n");
-		return PTR_ERR(priv->scu);
+		priv->scu = syscon_regmap_lookup_by_compatible("aspeed,ast2500-scu");
+		if (IS_ERR(priv->scu)) {
+			dev_err(&pdev->dev, "failed to find SCU regmap\n");
+			return PTR_ERR(priv->scu);
+		}
 	}
 
 	ret = of_reserved_mem_device_init(drm->dev);
···
 	.minor = 0,
 };
 
-static const struct of_device_id aspeed_gfx_match[] = {
-	{ .compatible = "aspeed,ast2500-gfx" },
-	{ }
-};
-
-#define ASPEED_SCU_VGA0		0x50
-#define ASPEED_SCU_MISC_CTRL	0x2c
-
 static ssize_t dac_mux_store(struct device *dev, struct device_attribute *attr,
 			     const char *buf, size_t count)
 {
···
 	if (val > 3)
 		return -EINVAL;
 
-	rc = regmap_update_bits(priv->scu, ASPEED_SCU_MISC_CTRL, 0x30000, val << 16);
+	rc = regmap_update_bits(priv->scu, priv->dac_reg, 0x30000, val << 16);
 	if (rc < 0)
 		return 0;
 
···
 	u32 reg;
 	int rc;
 
-	rc = regmap_read(priv->scu, ASPEED_SCU_MISC_CTRL, &reg);
+	rc = regmap_read(priv->scu, priv->dac_reg, &reg);
 	if (rc)
 		return rc;
 
···
 	u32 reg;
 	int rc;
 
-	rc = regmap_read(priv->scu, ASPEED_SCU_VGA0, &reg);
+	rc = regmap_read(priv->scu, priv->vga_scratch_reg, &reg);
 	if (rc)
 		return rc;
 
···
 	if (ret)
 		return ret;
 
-	dev_set_drvdata(&pdev->dev, priv);
+	platform_set_drvdata(pdev, priv);
 
 	ret = sysfs_create_group(&pdev->dev.kobj, &aspeed_sysfs_attr_group);
 	if (ret)

drivers/gpu/drm/ast/Makefile

···
 # Makefile for the drm device driver.  This driver provides support for the
 # Direct Rendering Infrastructure (DRI) in XFree86 4.1.0 and higher.
 
-ast-y := ast_cursor.o ast_drv.o ast_main.o ast_mm.o ast_mode.o ast_post.o \
-	 ast_dp501.o
+ast-y := ast_drv.o ast_main.o ast_mm.o ast_mode.o ast_post.o ast_dp501.o
 
 obj-$(CONFIG_DRM_AST) := ast.o

drivers/gpu/drm/ast/ast_cursor.c

···
-/*
- * Copyright 2012 Red Hat Inc.
- * Parts based on xf86-video-ast
- * Copyright (c) 2005 ASPEED Technology Inc.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sub license, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
- * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
- * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
- * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
- * USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial portions
- * of the Software.
- */
-/*
- * Authors: Dave Airlie <[e-mail]>
- */
-
-#include <drm/drm_gem_vram_helper.h>
-#include <drm/drm_managed.h>
-
-#include "ast_drv.h"
-
-static void ast_cursor_fini(struct ast_private *ast)
-{
-	size_t i;
-	struct drm_gem_vram_object *gbo;
-
-	for (i = 0; i < ARRAY_SIZE(ast->cursor.gbo); ++i) {
-		gbo = ast->cursor.gbo[i];
-		drm_gem_vram_unpin(gbo);
-		drm_gem_vram_put(gbo);
-	}
-}
-
-static void ast_cursor_release(struct drm_device *dev, void *ptr)
-{
-	struct ast_private *ast = to_ast_private(dev);
-
-	ast_cursor_fini(ast);
-}
-
-/*
- * Allocate cursor BOs and pin them at the end of VRAM.
- */
-int ast_cursor_init(struct ast_private *ast)
-{
-	struct drm_device *dev = &ast->base;
-	size_t size, i;
-	struct drm_gem_vram_object *gbo;
-	int ret;
-
-	size = roundup(AST_HWC_SIZE + AST_HWC_SIGNATURE_SIZE, PAGE_SIZE);
-
-	for (i = 0; i < ARRAY_SIZE(ast->cursor.gbo); ++i) {
-		gbo = drm_gem_vram_create(dev, size, 0);
-		if (IS_ERR(gbo)) {
-			ret = PTR_ERR(gbo);
-			goto err_drm_gem_vram_put;
-		}
-		ret = drm_gem_vram_pin(gbo, DRM_GEM_VRAM_PL_FLAG_VRAM |
-					    DRM_GEM_VRAM_PL_FLAG_TOPDOWN);
-		if (ret) {
-			drm_gem_vram_put(gbo);
-			goto err_drm_gem_vram_put;
-		}
-		ast->cursor.gbo[i] = gbo;
-	}
-
-	return drmm_add_action_or_reset(dev, ast_cursor_release, NULL);
-
-err_drm_gem_vram_put:
-	while (i) {
-		--i;
-		gbo = ast->cursor.gbo[i];
-		drm_gem_vram_unpin(gbo);
-		drm_gem_vram_put(gbo);
-	}
-	return ret;
-}
-
-static void update_cursor_image(u8 __iomem *dst, const u8 *src, int width, int height)
-{
-	union {
-		u32 ul;
-		u8 b[4];
-	} srcdata32[2], data32;
-	union {
-		u16 us;
-		u8 b[2];
-	} data16;
-	u32 csum = 0;
-	s32 alpha_dst_delta, last_alpha_dst_delta;
-	u8 __iomem *dstxor;
-	const u8 *srcxor;
-	int i, j;
-	u32 per_pixel_copy, two_pixel_copy;
-
-	alpha_dst_delta = AST_MAX_HWC_WIDTH << 1;
-	last_alpha_dst_delta = alpha_dst_delta - (width << 1);
-
-	srcxor = src;
-	dstxor = (u8 *)dst + last_alpha_dst_delta + (AST_MAX_HWC_HEIGHT - height) * alpha_dst_delta;
-	per_pixel_copy = width & 1;
-	two_pixel_copy = width >> 1;
-
-	for (j = 0; j < height; j++) {
-		for (i = 0; i < two_pixel_copy; i++) {
-			srcdata32[0].ul = *((u32 *)srcxor) & 0xf0f0f0f0;
-			srcdata32[1].ul = *((u32 *)(srcxor + 4)) & 0xf0f0f0f0;
-			data32.b[0] = srcdata32[0].b[1] | (srcdata32[0].b[0] >> 4);
-			data32.b[1] = srcdata32[0].b[3] | (srcdata32[0].b[2] >> 4);
-			data32.b[2] = srcdata32[1].b[1] | (srcdata32[1].b[0] >> 4);
-			data32.b[3] = srcdata32[1].b[3] | (srcdata32[1].b[2] >> 4);
-
-			writel(data32.ul, dstxor);
-			csum += data32.ul;
-
-			dstxor += 4;
-			srcxor += 8;
-
-		}
-
-		for (i = 0; i < per_pixel_copy; i++) {
-			srcdata32[0].ul = *((u32 *)srcxor) & 0xf0f0f0f0;
-			data16.b[0] = srcdata32[0].b[1] | (srcdata32[0].b[0] >> 4);
-			data16.b[1] = srcdata32[0].b[3] | (srcdata32[0].b[2] >> 4);
-			writew(data16.us, dstxor);
-			csum += (u32)data16.us;
-
-			dstxor += 2;
-			srcxor += 4;
-		}
-		dstxor += last_alpha_dst_delta;
-	}
-
-	/* write checksum + signature */
-	dst += AST_HWC_SIZE;
-	writel(csum, dst);
-	writel(width, dst + AST_HWC_SIGNATURE_SizeX);
-	writel(height, dst + AST_HWC_SIGNATURE_SizeY);
-	writel(0, dst + AST_HWC_SIGNATURE_HOTSPOTX);
-	writel(0, dst + AST_HWC_SIGNATURE_HOTSPOTY);
-}
-
-int ast_cursor_blit(struct ast_private *ast, struct drm_framebuffer *fb)
-{
-	struct drm_device *dev = &ast->base;
-	struct drm_gem_vram_object *dst_gbo = ast->cursor.gbo[ast->cursor.next_index];
-	struct drm_gem_vram_object *src_gbo = drm_gem_vram_of_gem(fb->obj[0]);
-	struct dma_buf_map src_map, dst_map;
-	void __iomem *dst;
-	void *src;
-	int ret;
-
-	if (drm_WARN_ON_ONCE(dev, fb->width > AST_MAX_HWC_WIDTH) ||
-	    drm_WARN_ON_ONCE(dev, fb->height > AST_MAX_HWC_HEIGHT))
-		return -EINVAL;
-
-	ret = drm_gem_vram_vmap(src_gbo, &src_map);
-	if (ret)
-		return ret;
-	src = src_map.vaddr; /* TODO: Use mapping abstraction properly */
-
-	ret = drm_gem_vram_vmap(dst_gbo, &dst_map);
-	if (ret)
-		goto err_drm_gem_vram_vunmap;
-	dst = dst_map.vaddr_iomem; /* TODO: Use mapping abstraction properly */
-
-	/* do data transfer to cursor BO */
-	update_cursor_image(dst, src, fb->width, fb->height);
-
-	drm_gem_vram_vunmap(dst_gbo, &dst_map);
-	drm_gem_vram_vunmap(src_gbo, &src_map);
-
-	return 0;
-
-err_drm_gem_vram_vunmap:
-	drm_gem_vram_vunmap(src_gbo, &src_map);
-	return ret;
-}
-
-static void ast_cursor_set_base(struct ast_private *ast, u64 address)
-{
-	u8 addr0 = (address >> 3) & 0xff;
-	u8 addr1 = (address >> 11) & 0xff;
-	u8 addr2 = (address >> 19) & 0xff;
-
-	ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc8, addr0);
-	ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc9, addr1);
-	ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xca, addr2);
-}
-
-void ast_cursor_page_flip(struct ast_private *ast)
-{
-	struct drm_device *dev = &ast->base;
-	struct drm_gem_vram_object *gbo;
-	s64 off;
-
-	gbo = ast->cursor.gbo[ast->cursor.next_index];
-
-	off = drm_gem_vram_offset(gbo);
-	if (drm_WARN_ON_ONCE(dev, off < 0))
-		return; /* Bug: we didn't pin the cursor HW BO to VRAM. */
-
-	ast_cursor_set_base(ast, off);
-
-	++ast->cursor.next_index;
-	ast->cursor.next_index %= ARRAY_SIZE(ast->cursor.gbo);
-}
-
-static void ast_cursor_set_location(struct ast_private *ast, u16 x, u16 y,
-				    u8 x_offset, u8 y_offset)
-{
-	u8 x0 = (x & 0x00ff);
-	u8 x1 = (x & 0x0f00) >> 8;
-	u8 y0 = (y & 0x00ff);
-	u8 y1 = (y & 0x0700) >> 8;
-
-	ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc2, x_offset);
-	ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc3, y_offset);
-	ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc4, x0);
-	ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc5, x1);
-	ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc6, y0);
-	ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc7, y1);
-}
-
-void ast_cursor_show(struct ast_private *ast, int x, int y,
-		     unsigned int offset_x, unsigned int offset_y)
-{
-	struct drm_device *dev = &ast->base;
-	struct drm_gem_vram_object *gbo = ast->cursor.gbo[ast->cursor.next_index];
-	struct dma_buf_map map;
-	u8 x_offset, y_offset;
-	u8 __iomem *dst;
-	u8 __iomem *sig;
-	u8 jreg;
-	int ret;
-
-	ret = drm_gem_vram_vmap(gbo, &map);
-	if (drm_WARN_ONCE(dev, ret, "drm_gem_vram_vmap() failed, ret=%d\n", ret))
-		return;
-	dst = map.vaddr_iomem; /* TODO: Use mapping abstraction properly */
-
-	sig = dst + AST_HWC_SIZE;
-	writel(x, sig + AST_HWC_SIGNATURE_X);
-	writel(y, sig + AST_HWC_SIGNATURE_Y);
-
-	drm_gem_vram_vunmap(gbo, &map);
-
-	if (x < 0) {
-		x_offset = (-x) + offset_x;
-		x = 0;
-	} else {
-		x_offset = offset_x;
-	}
-	if (y < 0) {
-		y_offset = (-y) + offset_y;
-		y = 0;
-	} else {
-		y_offset = offset_y;
-	}
-
-	ast_cursor_set_location(ast, x, y, x_offset, y_offset);
-
-	/* dummy write to fire HWC */
-	jreg = 0x02 |
-	       0x01; /* enable ARGB4444 cursor */
-	ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xcb, 0xfc, jreg);
-}
-
-void ast_cursor_hide(struct ast_private *ast)
-{
-	ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xcb, 0xfc, 0x00);
-}

drivers/gpu/drm/ast/ast_drv.c

···
 #include <linux/module.h>
 #include <linux/pci.h>
 
+#include <drm/drm_atomic_helper.h>
 #include <drm/drm_crtc_helper.h>
 #include <drm/drm_drv.h>
 #include <drm/drm_fb_helper.h>
···
 	struct drm_device *dev = pci_get_drvdata(pdev);
 
 	drm_dev_unregister(dev);
+	drm_atomic_helper_shutdown(dev);
 }
 
 static int ast_drm_freeze(struct drm_device *dev)

drivers/gpu/drm/ast/ast_drv.h

···
 #define AST_DRAM_4Gx16   7
 #define AST_DRAM_8Gx16   8
 
+/*
+ * Cursor plane
+ */
 
 #define AST_MAX_HWC_WIDTH	64
 #define AST_MAX_HWC_HEIGHT	64
···
 #define AST_HWC_SIGNATURE_HOTSPOTX	0x14
 #define AST_HWC_SIGNATURE_HOTSPOTY	0x18
 
+struct ast_cursor_plane {
+	struct drm_plane base;
+
+	struct {
+		struct drm_gem_vram_object *gbo;
+		struct dma_buf_map map;
+		u64 off;
+	} hwc[AST_DEFAULT_HWC_NUM];
+
+	unsigned int next_hwc_index;
+};
+
+static inline struct ast_cursor_plane *
+to_ast_cursor_plane(struct drm_plane *plane)
+{
+	return container_of(plane, struct ast_cursor_plane, base);
+}
+
+/*
+ * Connector with i2c channel
+ */
+
 struct ast_i2c_chan {
 	struct i2c_adapter adapter;
 	struct drm_device *dev;
···
 	return container_of(connector, struct ast_connector, base);
 }
 
+/*
+ * Device
+ */
+
 struct ast_private {
 	struct drm_device base;
 
···
 
 	int fb_mtrr;
 
-	struct {
-		struct drm_gem_vram_object *gbo[AST_DEFAULT_HWC_NUM];
-		unsigned int next_index;
-	} cursor;
-
 	struct drm_plane primary_plane;
-	struct drm_plane cursor_plane;
+	struct ast_cursor_plane cursor_plane;
 	struct drm_crtc crtc;
 	struct drm_encoder encoder;
 	struct ast_connector connector;
···
 #define AST_IO_MM_OFFSET		(0x380)
 
 #define AST_IO_VGAIR1_VREFRESH		BIT(3)
+
+#define AST_IO_VGACRCB_HWC_ENABLED     BIT(1)
+#define AST_IO_VGACRCB_HWC_16BPP       BIT(0) /* set: ARGB4444, cleared: 2bpp palette */
 
 #define __ast_read(x) \
 static inline u##x ast_read##x(struct ast_private *ast, u32 reg) { \
···
 bool ast_dp501_read_edid(struct drm_device *dev, u8 *ediddata);
 u8 ast_get_dp501_max_clk(struct drm_device *dev);
 void ast_init_3rdtx(struct drm_device *dev);
-
-/* ast_cursor.c */
-int ast_cursor_init(struct ast_private *ast);
-int ast_cursor_blit(struct ast_private *ast, struct drm_framebuffer *fb);
-void ast_cursor_page_flip(struct ast_private *ast);
-void ast_cursor_show(struct ast_private *ast, int x, int y,
-		     unsigned int offset_x, unsigned int offset_y);
-void ast_cursor_hide(struct ast_private *ast);
 
 #endif

drivers/gpu/drm/ast/ast_mode.c

···
 #include <drm/drm_crtc.h>
 #include <drm/drm_crtc_helper.h>
 #include <drm/drm_fourcc.h>
+#include <drm/drm_gem_atomic_helper.h>
 #include <drm/drm_gem_framebuffer_helper.h>
 #include <drm/drm_gem_vram_helper.h>
 #include <drm/drm_plane_helper.h>
···
 };
 
 static int ast_primary_plane_helper_atomic_check(struct drm_plane *plane,
-						 struct drm_plane_state *state)
+						 struct drm_atomic_state *state)
 {
+	struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
+										 plane);
 	struct drm_crtc_state *crtc_state;
 	struct ast_crtc_state *ast_crtc_state;
 	int ret;
 
-	if (!state->crtc)
+	if (!new_plane_state->crtc)
 		return 0;
 
-	crtc_state = drm_atomic_get_new_crtc_state(state->state, state->crtc);
+	crtc_state = drm_atomic_get_new_crtc_state(state,
+						   new_plane_state->crtc);
 
-	ret = drm_atomic_helper_check_plane_state(state, crtc_state,
+	ret = drm_atomic_helper_check_plane_state(new_plane_state, crtc_state,
 						  DRM_PLANE_HELPER_NO_SCALING,
 						  DRM_PLANE_HELPER_NO_SCALING,
 						  false, true);
 	if (ret)
 		return ret;
 
-	if (!state->visible)
+	if (!new_plane_state->visible)
 		return 0;
 
 	ast_crtc_state = to_ast_crtc_state(crtc_state);
 
-	ast_crtc_state->format = state->fb->format;
+	ast_crtc_state->format = new_plane_state->fb->format;
 
 	return 0;
 }
 
 static void
 ast_primary_plane_helper_atomic_update(struct drm_plane *plane,
-				       struct drm_plane_state *old_state)
+				       struct drm_atomic_state *state)
 {
+	struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state,
+									   plane);
 	struct drm_device *dev = plane->dev;
 	struct ast_private *ast = to_ast_private(dev);
-	struct drm_plane_state *state = plane->state;
+	struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
+									   plane);
 	struct drm_gem_vram_object *gbo;
 	s64 gpu_addr;
-	struct drm_framebuffer *fb = state->fb;
+	struct drm_framebuffer *fb = new_state->fb;
 	struct drm_framebuffer *old_fb = old_state->fb;
 
 	if (!old_fb || (fb->format != old_fb->format)) {
-		struct drm_crtc_state *crtc_state = state->crtc->state;
+		struct drm_crtc_state *crtc_state = new_state->crtc->state;
 		struct ast_crtc_state *ast_crtc_state = to_ast_crtc_state(crtc_state);
 		struct ast_vbios_mode_info *vbios_mode_info = &ast_crtc_state->vbios_mode_info;
 
···
 
 static void
 ast_primary_plane_helper_atomic_disable(struct drm_plane *plane,
-					struct drm_plane_state *old_state)
+					struct drm_atomic_state *state)
 {
 	struct ast_private *ast = to_ast_private(plane->dev);
 
···
 	.atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
 };
 
+static int ast_primary_plane_init(struct ast_private *ast)
+{
+	struct drm_device *dev = &ast->base;
+	struct drm_plane *primary_plane = &ast->primary_plane;
+	int ret;
+
+	ret = drm_universal_plane_init(dev, primary_plane, 0x01,
+				       &ast_primary_plane_funcs,
+				       ast_primary_plane_formats,
+				       ARRAY_SIZE(ast_primary_plane_formats),
+				       NULL, DRM_PLANE_TYPE_PRIMARY, NULL);
+	if (ret) {
+		drm_err(dev, "drm_universal_plane_init() failed: %d\n", ret);
+		return ret;
+	}
+	drm_plane_helper_add(primary_plane, &ast_primary_plane_helper_funcs);
+
+	return 0;
+}
+
 /*
  * Cursor plane
  */
+
+static void ast_update_cursor_image(u8 __iomem *dst, const u8 *src, int width, int height)
+{
+	union {
+		u32 ul;
+		u8 b[4];
+	} srcdata32[2], data32;
+	union {
+		u16 us;
+		u8 b[2];
+	} data16;
+	u32 csum = 0;
+	s32 alpha_dst_delta, last_alpha_dst_delta;
+	u8 __iomem *dstxor;
+	const u8 *srcxor;
+	int i, j;
+	u32 per_pixel_copy, two_pixel_copy;
+
+	alpha_dst_delta = AST_MAX_HWC_WIDTH << 1;
+	last_alpha_dst_delta = alpha_dst_delta - (width << 1);
+
+	srcxor = src;
+	dstxor = (u8 *)dst + last_alpha_dst_delta + (AST_MAX_HWC_HEIGHT - height) * alpha_dst_delta;
+	per_pixel_copy = width & 1;
+	two_pixel_copy = width >> 1;
+
+	for (j = 0; j < height; j++) {
+		for (i = 0; i < two_pixel_copy; i++) {
+			srcdata32[0].ul = *((u32 *)srcxor) & 0xf0f0f0f0;
+			srcdata32[1].ul = *((u32 *)(srcxor + 4)) & 0xf0f0f0f0;
+			data32.b[0] = srcdata32[0].b[1] | (srcdata32[0].b[0] >> 4);
+			data32.b[1] = srcdata32[0].b[3] | (srcdata32[0].b[2] >> 4);
+			data32.b[2] = srcdata32[1].b[1] | (srcdata32[1].b[0] >> 4);
+			data32.b[3] = srcdata32[1].b[3] | (srcdata32[1].b[2] >> 4);
+
+			writel(data32.ul, dstxor);
+			csum += data32.ul;
+
+			dstxor += 4;
+			srcxor += 8;
+
+		}
+
+		for (i = 0; i < per_pixel_copy; i++) {
+			srcdata32[0].ul = *((u32 *)srcxor) & 0xf0f0f0f0;
+			data16.b[0] = srcdata32[0].b[1] | (srcdata32[0].b[0] >> 4);
+			data16.b[1] = srcdata32[0].b[3] | (srcdata32[0].b[2] >> 4);
+			writew(data16.us, dstxor);
+			csum += (u32)data16.us;
+
+			dstxor += 2;
+			srcxor += 4;
+		}
+		dstxor += last_alpha_dst_delta;
+	}
+
+	/* write checksum + signature */
+	dst += AST_HWC_SIZE;
+	writel(csum, dst);
+	writel(width, dst + AST_HWC_SIGNATURE_SizeX);
+	writel(height, dst + AST_HWC_SIGNATURE_SizeY);
+	writel(0, dst + AST_HWC_SIGNATURE_HOTSPOTX);
+	writel(0, dst + AST_HWC_SIGNATURE_HOTSPOTY);
+}
+
+static void ast_set_cursor_base(struct ast_private *ast, u64 address)
+{
+	u8 addr0 = (address >> 3) & 0xff;
+	u8 addr1 = (address >> 11) & 0xff;
+	u8 addr2 = (address >> 19) & 0xff;
+
+	ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc8, addr0);
+	ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc9, addr1);
+	ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xca, addr2);
+}
+
+static void ast_set_cursor_location(struct ast_private *ast, u16 x, u16 y,
+				    u8 x_offset, u8 y_offset)
+{
+	u8 x0 = (x & 0x00ff);
+	u8 x1 = (x & 0x0f00) >> 8;
+	u8 y0 = (y & 0x00ff);
+	u8 y1 = (y & 0x0700) >> 8;
+
+	ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc2, x_offset);
+	ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc3, y_offset);
+	ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc4, x0);
+	ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc5, x1);
+	ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc6, y0);
+	ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc7, y1);
+}
+
+static void ast_set_cursor_enabled(struct ast_private *ast, bool enabled)
+{
+	static const u8 mask = (u8)~(AST_IO_VGACRCB_HWC_16BPP |
+				     AST_IO_VGACRCB_HWC_ENABLED);
+
+	u8 vgacrcb = AST_IO_VGACRCB_HWC_16BPP;
+
+	if (enabled)
+		vgacrcb |= AST_IO_VGACRCB_HWC_ENABLED;
+
+	ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xcb, mask, vgacrcb);
+}
 
 static const uint32_t ast_cursor_plane_formats[] = {
 	DRM_FORMAT_ARGB8888,
 };
 
-static int
-ast_cursor_plane_helper_prepare_fb(struct drm_plane *plane,
-				   struct drm_plane_state *new_state)
-{
-	struct drm_framebuffer *fb = new_state->fb;
-	struct drm_crtc *crtc = new_state->crtc;
-	struct ast_private *ast;
-	int ret;
-
-	if (!crtc || !fb)
-		return 0;
-
-	ast = to_ast_private(plane->dev);
-
-	ret = ast_cursor_blit(ast, fb);
-	if (ret)
-		return ret;
-
-	return 0;
-}
-
 static int ast_cursor_plane_helper_atomic_check(struct drm_plane *plane,
-						struct drm_plane_state *state)
+						struct drm_atomic_state *state)
 {
-	struct drm_framebuffer *fb = state->fb;
+	struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
+										 plane);
+	struct drm_framebuffer *fb = new_plane_state->fb;
 	struct drm_crtc_state *crtc_state;
 	int ret;
 
-	if (!state->crtc)
+	if (!new_plane_state->crtc)
 		return 0;
 
-	crtc_state = drm_atomic_get_new_crtc_state(state->state, state->crtc);
+	crtc_state = drm_atomic_get_new_crtc_state(state,
+						   new_plane_state->crtc);
 
-	ret = drm_atomic_helper_check_plane_state(state, crtc_state,
+	ret = drm_atomic_helper_check_plane_state(new_plane_state, crtc_state,
 						  DRM_PLANE_HELPER_NO_SCALING,
 						  DRM_PLANE_HELPER_NO_SCALING,
 						  true, true);
 	if (ret)
 		return ret;
 
-	if (!state->visible)
+	if (!new_plane_state->visible)
 		return 0;
 
 	if (fb->width > AST_MAX_HWC_WIDTH || fb->height > AST_MAX_HWC_HEIGHT)
···
 
 static void
 ast_cursor_plane_helper_atomic_update(struct drm_plane *plane,
-				      struct drm_plane_state *old_state)
+				      struct drm_atomic_state *state)
 {
-	struct drm_plane_state *state = plane->state;
-	struct drm_framebuffer *fb = state->fb;
+	struct ast_cursor_plane *ast_cursor_plane = to_ast_cursor_plane(plane);
+	struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state,
+									   plane);
+	struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
+									   plane);
+	struct drm_shadow_plane_state *shadow_plane_state = to_drm_shadow_plane_state(new_state);
+	struct drm_framebuffer *fb = new_state->fb;
 	struct ast_private *ast = to_ast_private(plane->dev);
+	struct dma_buf_map dst_map =
+		ast_cursor_plane->hwc[ast_cursor_plane->next_hwc_index].map;
+	u64 dst_off =
+		ast_cursor_plane->hwc[ast_cursor_plane->next_hwc_index].off;
+	struct dma_buf_map src_map = shadow_plane_state->map[0];
 	unsigned int offset_x, offset_y;
+	u16 x, y;
+	u8 x_offset, y_offset;
+	u8 __iomem *dst;
+	u8 __iomem *sig;
+	const u8 *src;
 
-	offset_x = AST_MAX_HWC_WIDTH - fb->width;
-	offset_y = AST_MAX_HWC_WIDTH - fb->height;
+	src = src_map.vaddr; /* TODO: Use mapping abstraction properly */
+	dst = dst_map.vaddr_iomem; /* TODO: Use mapping abstraction properly */
+	sig = dst + AST_HWC_SIZE; /* TODO: Use mapping abstraction properly */
 
-	if (state->fb != old_state->fb) {
-		/* A new cursor image was installed. */
-		ast_cursor_page_flip(ast);
+	/*
+	 * Do data transfer to HW cursor BO. If a new cursor image was installed,
+	 * point the scanout engine to dst_gbo's offset and page-flip the HWC buffers.
+	 */
+
+	ast_update_cursor_image(dst, src, fb->width, fb->height);
+
+	if (new_state->fb != old_state->fb) {
+		ast_set_cursor_base(ast, dst_off);
+
+		++ast_cursor_plane->next_hwc_index;
+		ast_cursor_plane->next_hwc_index %= ARRAY_SIZE(ast_cursor_plane->hwc);
 	}
 
-	ast_cursor_show(ast, state->crtc_x, state->crtc_y,
-			offset_x, offset_y);
+	/*
+	 * Update location in HWC signature and registers.
+	 */
+
+	writel(new_state->crtc_x, sig + AST_HWC_SIGNATURE_X);
+	writel(new_state->crtc_y, sig + AST_HWC_SIGNATURE_Y);
+
+	offset_x = AST_MAX_HWC_WIDTH - fb->width;
+	offset_y = AST_MAX_HWC_HEIGHT - fb->height;
+
+	if (new_state->crtc_x < 0) {
+		x_offset = (-new_state->crtc_x) + offset_x;
+		x = 0;
+	} else {
+		x_offset = offset_x;
+		x = new_state->crtc_x;
+	}
+	if (new_state->crtc_y < 0) {
+		y_offset = (-new_state->crtc_y) + offset_y;
+		y = 0;
+	} else {
+		y_offset = offset_y;
+		y = new_state->crtc_y;
+	}
+
+	ast_set_cursor_location(ast, x, y, x_offset, y_offset);
+
+	/* Dummy write to enable HWC and make the HW pick-up the changes. */
+	ast_set_cursor_enabled(ast, true);
 }
 
 static void
 ast_cursor_plane_helper_atomic_disable(struct drm_plane *plane,
-				       struct drm_plane_state *old_state)
+				       struct drm_atomic_state *state)
 {
 	struct ast_private *ast = to_ast_private(plane->dev);
 
-	ast_cursor_hide(ast);
+	ast_set_cursor_enabled(ast, false);
 }
 
 static const struct drm_plane_helper_funcs ast_cursor_plane_helper_funcs = {
-	.prepare_fb = ast_cursor_plane_helper_prepare_fb,
-	.cleanup_fb = NULL, /* not required for cursor plane */
+	DRM_GEM_SHADOW_PLANE_HELPER_FUNCS,
 	.atomic_check = ast_cursor_plane_helper_atomic_check,
 	.atomic_update = ast_cursor_plane_helper_atomic_update,
 	.atomic_disable = ast_cursor_plane_helper_atomic_disable,
 };
 
+static void ast_cursor_plane_destroy(struct drm_plane *plane)
+{
+	struct ast_cursor_plane *ast_cursor_plane = to_ast_cursor_plane(plane);
+	size_t i;
+	struct drm_gem_vram_object *gbo;
+	struct dma_buf_map map;
+
+	for (i = 0; i < ARRAY_SIZE(ast_cursor_plane->hwc); ++i) {
+		gbo = ast_cursor_plane->hwc[i].gbo;
+		map = ast_cursor_plane->hwc[i].map;
+		drm_gem_vram_vunmap(gbo, &map);
+		drm_gem_vram_unpin(gbo);
+		drm_gem_vram_put(gbo);
+	}
+
+	drm_plane_cleanup(plane);
+}
+
 static const struct drm_plane_funcs ast_cursor_plane_funcs = {
 	.update_plane = drm_atomic_helper_update_plane,
 	.disable_plane = drm_atomic_helper_disable_plane,
-	.destroy = drm_plane_cleanup,
-	.reset = drm_atomic_helper_plane_reset,
-	.atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
-	.atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
+	.destroy = ast_cursor_plane_destroy,
+	DRM_GEM_SHADOW_PLANE_FUNCS,
 };
+
+static int ast_cursor_plane_init(struct ast_private *ast)
+{
+	struct drm_device *dev = &ast->base;
+	struct ast_cursor_plane *ast_cursor_plane = &ast->cursor_plane;
+	struct drm_plane *cursor_plane = &ast_cursor_plane->base;
+	size_t size, i;
+	struct drm_gem_vram_object *gbo;
+	struct dma_buf_map map;
+	int ret;
+	s64 off;
+
+	/*
+	 * Allocate backing storage for cursors. The BOs are permanently
+	 * pinned to the top end of the VRAM.
+	 */
+
+	size = roundup(AST_HWC_SIZE + AST_HWC_SIGNATURE_SIZE, PAGE_SIZE);
+
+	for (i = 0; i < ARRAY_SIZE(ast_cursor_plane->hwc); ++i) {
+		gbo = drm_gem_vram_create(dev, size, 0);
+		if (IS_ERR(gbo)) {
+			ret = PTR_ERR(gbo);
+			goto err_hwc;
+		}
+		ret = drm_gem_vram_pin(gbo, DRM_GEM_VRAM_PL_FLAG_VRAM |
+					    DRM_GEM_VRAM_PL_FLAG_TOPDOWN);
+		if (ret)
+			goto err_drm_gem_vram_put;
+		ret = drm_gem_vram_vmap(gbo, &map);
+		if (ret)
+			goto err_drm_gem_vram_unpin;
+		off = drm_gem_vram_offset(gbo);
+		if (off < 0) {
+			ret = off;
+			goto err_drm_gem_vram_vunmap;
+		}
+		ast_cursor_plane->hwc[i].gbo = gbo;
+		ast_cursor_plane->hwc[i].map = map;
+		ast_cursor_plane->hwc[i].off = off;
+	}
+
+	/*
+	 * Create the cursor plane. The plane's destroy callback will release
+	 * the backing storages' BO memory.
+	 */
+
+	ret = drm_universal_plane_init(dev, cursor_plane, 0x01,
+				       &ast_cursor_plane_funcs,
+				       ast_cursor_plane_formats,
+				       ARRAY_SIZE(ast_cursor_plane_formats),
+				       NULL, DRM_PLANE_TYPE_CURSOR, NULL);
+	if (ret) {
+		drm_err(dev, "drm_universal_plane failed(): %d\n", ret);
+		goto err_hwc;
+	}
+	drm_plane_helper_add(cursor_plane, &ast_cursor_plane_helper_funcs);
+
+	return 0;
+
+err_hwc:
+	while (i) {
+		--i;
+		gbo = ast_cursor_plane->hwc[i].gbo;
+		map = ast_cursor_plane->hwc[i].map;
+err_drm_gem_vram_vunmap:
+		drm_gem_vram_vunmap(gbo, &map);
+err_drm_gem_vram_unpin:
+		drm_gem_vram_unpin(gbo);
+err_drm_gem_vram_put:
+		drm_gem_vram_put(gbo);
+	}
+	return ret;
+}
 
 /*
  * CRTC
···
 	int ret;
 
 	ret = drm_crtc_init_with_planes(dev, crtc, &ast->primary_plane,
-					&ast->cursor_plane, &ast_crtc_funcs,
+					&ast->cursor_plane.base, &ast_crtc_funcs,
 					NULL);
 	if (ret)
 		return ret;
···
 	struct pci_dev *pdev = to_pci_dev(dev->dev);
 	int ret;
 
-	ret = ast_cursor_init(ast);
-	if (ret)
-		return ret;
-
 	ret = drmm_mode_config_init(dev);
 	if (ret)
 		return ret;
···
 
 	dev->mode_config.helper_private = &ast_mode_config_helper_funcs;
 
-	memset(&ast->primary_plane, 0, sizeof(ast->primary_plane));
-	ret = drm_universal_plane_init(dev, &ast->primary_plane, 0x01,
-				       &ast_primary_plane_funcs,
-				       ast_primary_plane_formats,
-				       ARRAY_SIZE(ast_primary_plane_formats),
-				       NULL, DRM_PLANE_TYPE_PRIMARY, NULL);
-	if (ret) {
-		drm_err(dev, "ast: drm_universal_plane_init() failed: %d\n", ret);
-		return ret;
-	}
-	drm_plane_helper_add(&ast->primary_plane,
-			     &ast_primary_plane_helper_funcs);
 
-	ret = drm_universal_plane_init(dev, &ast->cursor_plane, 0x01,
-				       &ast_cursor_plane_funcs,
-				       ast_cursor_plane_formats,
-				       ARRAY_SIZE(ast_cursor_plane_formats),
-				       NULL, DRM_PLANE_TYPE_CURSOR, NULL);
-	if (ret) {
-		drm_err(dev, "drm_universal_plane_failed(): %d\n", ret);
+	ret = ast_primary_plane_init(ast);
+	if (ret)
 		return ret;
-	}
-	drm_plane_helper_add(&ast->cursor_plane,
-			     &ast_cursor_plane_helper_funcs);
+
+	ret = ast_cursor_plane_init(ast);
+	if (ret)
+		return ret;
 
 	ast_crtc_init(dev);
 	ast_encoder_init(dev);

drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c

···
 	return IRQ_HANDLED;
 }
 
-struct atmel_hlcdc_dc_commit {
-	struct work_struct work;
-	struct drm_device *dev;
-	struct drm_atomic_state *state;
-};
-
-static void
-atmel_hlcdc_dc_atomic_complete(struct atmel_hlcdc_dc_commit *commit)
-{
-	struct drm_device *dev = commit->dev;
-	struct atmel_hlcdc_dc *dc = dev->dev_private;
-	struct drm_atomic_state *old_state = commit->state;
-
-	/* Apply the atomic update. */
-	drm_atomic_helper_commit_modeset_disables(dev, old_state);
-	drm_atomic_helper_commit_planes(dev, old_state, 0);
-	drm_atomic_helper_commit_modeset_enables(dev, old_state);
-
-	drm_atomic_helper_wait_for_vblanks(dev, old_state);
-
-	drm_atomic_helper_cleanup_planes(dev, old_state);
-
-	drm_atomic_state_put(old_state);
-
-	/* Complete the commit, wake up any waiter. */
-	spin_lock(&dc->commit.wait.lock);
-	dc->commit.pending = false;
-	wake_up_all_locked(&dc->commit.wait);
-	spin_unlock(&dc->commit.wait.lock);
-
-	kfree(commit);
-}
-
-static void atmel_hlcdc_dc_atomic_work(struct work_struct *work)
-{
-	struct atmel_hlcdc_dc_commit *commit =
-		container_of(work, struct atmel_hlcdc_dc_commit, work);
-
-	atmel_hlcdc_dc_atomic_complete(commit);
-}
-
-static int atmel_hlcdc_dc_atomic_commit(struct drm_device *dev,
-					struct drm_atomic_state *state,
-					bool async)
-{
-	struct atmel_hlcdc_dc *dc = dev->dev_private;
-	struct atmel_hlcdc_dc_commit *commit;
-	int ret;
-
-	ret = drm_atomic_helper_prepare_planes(dev, state);
-	if (ret)
-		return ret;
-
-	/* Allocate the commit object. */
-	commit = kzalloc(sizeof(*commit), GFP_KERNEL);
-	if (!commit) {
-		ret = -ENOMEM;
-		goto error;
-	}
-
-	INIT_WORK(&commit->work, atmel_hlcdc_dc_atomic_work);
-	commit->dev = dev;
-	commit->state = state;
-
-	spin_lock(&dc->commit.wait.lock);
-	ret = wait_event_interruptible_locked(dc->commit.wait,
-					      !dc->commit.pending);
-	if (ret == 0)
-		dc->commit.pending = true;
-	spin_unlock(&dc->commit.wait.lock);
-
-	if (ret)
-		goto err_free;
-
-	/* We have our own synchronization through the commit lock. */
-	BUG_ON(drm_atomic_helper_swap_state(state, false) < 0);
-
-	/* Swap state succeeded, this is the point of no return. */
-	drm_atomic_state_get(state);
-	if (async)
-		queue_work(dc->wq, &commit->work);
-	else
-		atmel_hlcdc_dc_atomic_complete(commit);
-
-	return 0;
-
-err_free:
-	kfree(commit);
-error:
-	drm_atomic_helper_cleanup_planes(dev, state);
-	return ret;
-}
-
 static const struct drm_mode_config_funcs mode_config_funcs = {
 	.fb_create = drm_gem_fb_create,
 	.atomic_check = drm_atomic_helper_check,
-	.atomic_commit = atmel_hlcdc_dc_atomic_commit,
+	.atomic_commit = drm_atomic_helper_commit,
 };
 
 static int atmel_hlcdc_dc_modeset_init(struct drm_device *dev)
···
 	if (!dc)
 		return -ENOMEM;
 
-	dc->wq = alloc_ordered_workqueue("atmel-hlcdc-dc", 0);
-	if (!dc->wq)
-		return -ENOMEM;
-
-	init_waitqueue_head(&dc->commit.wait);
 	dc->desc = match->data;
 	dc->hlcdc = dev_get_drvdata(dev->dev->parent);
 	dev->dev_private = dc;
···
 	ret = clk_prepare_enable(dc->hlcdc->periph_clk);
 	if (ret) {
 		dev_err(dev->dev, "failed to enable periph_clk\n");
-		goto err_destroy_wq;
+		return ret;
 	}
 
 	pm_runtime_enable(dev->dev);
···
 	pm_runtime_disable(dev->dev);
 	clk_disable_unprepare(dc->hlcdc->periph_clk);
 
-err_destroy_wq:
-	destroy_workqueue(dc->wq);
-
 	return ret;
 }
 
···
 {
 	struct atmel_hlcdc_dc *dc = dev->dev_private;
 
-	flush_workqueue(dc->wq);
 	drm_kms_helper_poll_fini(dev);
 	drm_atomic_helper_shutdown(dev);
 	drm_mode_config_cleanup(dev);
···
 
 	pm_runtime_disable(dev->dev);
 	clk_disable_unprepare(dc->hlcdc->periph_clk);
-	destroy_workqueue(dc->wq);
 }
 
 static int atmel_hlcdc_dc_irq_postinstall(struct drm_device *dev)

drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.h

···
  * @crtc: CRTC provided by the display controller
  * @planes: instantiated planes
  * @layers: active HLCDC layers
- * @wq: display controller workqueue
  * @suspend: used to store the HLCDC state when entering suspend
- * @commit: used for async commit handling
  */
 struct atmel_hlcdc_dc {
 	const struct atmel_hlcdc_dc_desc *desc;
···
 	struct atmel_hlcdc *hlcdc;
 	struct drm_crtc *crtc;
 	struct atmel_hlcdc_layer *layers[ATMEL_HLCDC_MAX_LAYERS];
-	struct workqueue_struct *wq;
 	struct {
 		u32 imr;
 		struct drm_atomic_state *state;
 	} suspend;
-	struct {
-		wait_queue_head_t wait;
-		bool pending;
-	} commit;
 };
 
 extern struct atmel_hlcdc_formats atmel_hlcdc_plane_rgb_formats;

drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c

···
 }
 
 static int atmel_hlcdc_plane_atomic_check(struct drm_plane *p,
-					  struct drm_plane_state *s)
+					  struct drm_atomic_state *state)
 {
+	struct drm_plane_state *s = drm_atomic_get_new_plane_state(state, p);
 	struct atmel_hlcdc_plane *plane = drm_plane_to_atmel_hlcdc_plane(p);
-	struct atmel_hlcdc_plane_state *state =
+	struct atmel_hlcdc_plane_state *hstate =
 				drm_plane_state_to_atmel_hlcdc_plane_state(s);
 	const struct atmel_hlcdc_layer_desc *desc = plane->layer.desc;
-	struct drm_framebuffer *fb = state->base.fb;
+	struct drm_framebuffer *fb = hstate->base.fb;
 	const struct drm_display_mode *mode;
 	struct drm_crtc_state *crtc_state;
 	int ret;
 	int i;
 
-	if (!state->base.crtc || WARN_ON(!fb))
+	if (!hstate->base.crtc || WARN_ON(!fb))
 		return 0;
 
-	crtc_state = drm_atomic_get_existing_crtc_state(s->state, s->crtc);
+	crtc_state = drm_atomic_get_existing_crtc_state(state, s->crtc);
 	mode = &crtc_state->adjusted_mode;
 
 	ret = drm_atomic_helper_check_plane_state(s, crtc_state,
···
 	if (ret || !s->visible)
 		return ret;
 
-	state->src_x = s->src.x1;
-	state->src_y = s->src.y1;
-	state->src_w = drm_rect_width(&s->src);
-	state->src_h = drm_rect_height(&s->src);
-	state->crtc_x = s->dst.x1;
-	state->crtc_y = s->dst.y1;
-	state->crtc_w = drm_rect_width(&s->dst);
-	state->crtc_h = drm_rect_height(&s->dst);
+	hstate->src_x = s->src.x1;
+	hstate->src_y = s->src.y1;
+	hstate->src_w = drm_rect_width(&s->src);
+	hstate->src_h = drm_rect_height(&s->src);
+	hstate->crtc_x = s->dst.x1;
+	hstate->crtc_y = s->dst.y1;
+	hstate->crtc_w = drm_rect_width(&s->dst);
+	hstate->crtc_h = drm_rect_height(&s->dst);
 
-	if ((state->src_x | state->src_y | state->src_w | state->src_h) &
+	if ((hstate->src_x | hstate->src_y | hstate->src_w | hstate->src_h) &
 	    SUBPIXEL_MASK)
 		return -EINVAL;
 
-	state->src_x >>= 16;
-	state->src_y >>= 16;
-	state->src_w >>= 16;
-	state->src_h >>= 16;
+	hstate->src_x >>= 16;
+	hstate->src_y >>= 16;
+	hstate->src_w >>= 16;
+	hstate->src_h >>= 16;
 
-	state->nplanes = fb->format->num_planes;
-	if (state->nplanes > ATMEL_HLCDC_LAYER_MAX_PLANES)
+	hstate->nplanes = fb->format->num_planes;
+	if (hstate->nplanes > ATMEL_HLCDC_LAYER_MAX_PLANES)
 		return -EINVAL;
 
-	for (i = 0; i < state->nplanes; i++) {
+	for (i = 0; i < hstate->nplanes; i++) {
 		unsigned int offset = 0;
 		int xdiv = i ? fb->format->hsub : 1;
 		int ydiv = i ? fb->format->vsub : 1;
 
-		state->bpp[i] = fb->format->cpp[i];
-		if (!state->bpp[i])
+		hstate->bpp[i] = fb->format->cpp[i];
+		if (!hstate->bpp[i])
 			return -EINVAL;
 
-		switch (state->base.rotation & DRM_MODE_ROTATE_MASK) {
+		switch (hstate->base.rotation & DRM_MODE_ROTATE_MASK) {
 		case DRM_MODE_ROTATE_90:
-			offset = (state->src_y / ydiv) *
+			offset = (hstate->src_y / ydiv) *
 				 fb->pitches[i];
-			offset += ((state->src_x + state->src_w - 1) /
-				   xdiv) * state->bpp[i];
-			state->xstride[i] = -(((state->src_h - 1) / ydiv) *
+			offset += ((hstate->src_x + hstate->src_w - 1) /
+				   xdiv) * hstate->bpp[i];
+			hstate->xstride[i] = -(((hstate->src_h - 1) / ydiv) *
 					    fb->pitches[i]) -
-					  (2 * state->bpp[i]);
-			state->pstride[i] = fb->pitches[i] - state->bpp[i];
+					  (2 * hstate->bpp[i]);
+			hstate->pstride[i] = fb->pitches[i] - hstate->bpp[i];
 			break;
 		case DRM_MODE_ROTATE_180:
-			offset = ((state->src_y + state->src_h - 1) /
+			offset = ((hstate->src_y + hstate->src_h - 1) /
 				  ydiv) * fb->pitches[i];
-			offset += ((state->src_x + state->src_w - 1) /
-				   xdiv) * state->bpp[i];
-			state->xstride[i] = ((((state->src_w - 1) / xdiv) - 1) *
-					   state->bpp[i]) - fb->pitches[i];
-			state->pstride[i] = -2 * state->bpp[i];
+			offset += ((hstate->src_x + hstate->src_w - 1) /
+				   xdiv) * hstate->bpp[i];
+			hstate->xstride[i] = ((((hstate->src_w - 1) / xdiv) - 1) *
+					   hstate->bpp[i]) - fb->pitches[i];
+			hstate->pstride[i] = -2 * hstate->bpp[i];
 			break;
 		case DRM_MODE_ROTATE_270:
-			offset = ((state->src_y + state->src_h - 1) /
+			offset = ((hstate->src_y + hstate->src_h - 1) /
 				  ydiv) * fb->pitches[i];
-			offset += (state->src_x / xdiv) * state->bpp[i];
-			state->xstride[i] = ((state->src_h - 1) / ydiv) *
+			offset += (hstate->src_x / xdiv) * hstate->bpp[i];
+			hstate->xstride[i] = ((hstate->src_h - 1) / ydiv) *
 					  fb->pitches[i];
-			state->pstride[i] = -fb->pitches[i] - state->bpp[i];
+			hstate->pstride[i] = -fb->pitches[i] - hstate->bpp[i];
 			break;
 		case DRM_MODE_ROTATE_0:
 		default:
-			offset = (state->src_y / ydiv) * fb->pitches[i];
-			offset += (state->src_x / xdiv) * state->bpp[i];
-			state->xstride[i] = fb->pitches[i] -
-					  ((state->src_w / xdiv) *
-					   state->bpp[i]);
-			state->pstride[i] = 0;
+			offset = (hstate->src_y / ydiv) * fb->pitches[i];
+			offset += (hstate->src_x / xdiv) * hstate->bpp[i];
+			hstate->xstride[i] = fb->pitches[i] -
+					  ((hstate->src_w / xdiv) *
+					   hstate->bpp[i]);
+			hstate->pstride[i] = 0;
 			break;
 		}
 
-		state->offsets[i] = offset + fb->offsets[i];
+		hstate->offsets[i] = offset + fb->offsets[i];
 	}
 
 	/*
 	 * Swap width and size in case of 90 or 270 degrees rotation
 	 */
-	if (drm_rotation_90_or_270(state->base.rotation)) {
-		swap(state->src_w, state->src_h);
+	if (drm_rotation_90_or_270(hstate->base.rotation)) {
+		swap(hstate->src_w, hstate->src_h);
 	}
 
 	if (!desc->layout.size &&
-	    (mode->hdisplay != state->crtc_w ||
-	     mode->vdisplay != state->crtc_h))
+	    (mode->hdisplay != hstate->crtc_w ||
+	     mode->vdisplay != hstate->crtc_h))
 		return -EINVAL;
 
-	if ((state->crtc_h != state->src_h || state->crtc_w != state->src_w) &&
+	if ((hstate->crtc_h != hstate->src_h || hstate->crtc_w != hstate->src_w) &&
 	    (!desc->layout.memsize ||
-	     state->base.fb->format->has_alpha))
+	     hstate->base.fb->format->has_alpha))
 		return -EINVAL;
 
 	return 0;
 }
 
 static void atmel_hlcdc_plane_atomic_disable(struct drm_plane *p,
-					     struct drm_plane_state *old_state)
+					     struct drm_atomic_state *state)
 {
 	struct atmel_hlcdc_plane *plane = drm_plane_to_atmel_hlcdc_plane(p);
 
···
 }
 
 static void atmel_hlcdc_plane_atomic_update(struct drm_plane *p,
-					    struct drm_plane_state *old_s)
+					    struct drm_atomic_state *state)
 {
+	struct drm_plane_state *new_s = drm_atomic_get_new_plane_state(state,
+								       p);
 	struct atmel_hlcdc_plane *plane = drm_plane_to_atmel_hlcdc_plane(p);
-	struct atmel_hlcdc_plane_state *state =
-			drm_plane_state_to_atmel_hlcdc_plane_state(p->state);
+	struct atmel_hlcdc_plane_state *hstate =
+			drm_plane_state_to_atmel_hlcdc_plane_state(new_s);
 	u32 sr;
 
-	if (!p->state->crtc || !p->state->fb)
+	if (!new_s->crtc || !new_s->fb)
 		return;
 
-	if (!state->base.visible) {
-		atmel_hlcdc_plane_atomic_disable(p, old_s);
+	if (!hstate->base.visible) {
+		atmel_hlcdc_plane_atomic_disable(p, state);
 		return;
 	}
 
-	atmel_hlcdc_plane_update_pos_and_size(plane, state);
-	atmel_hlcdc_plane_update_general_settings(plane, state);
-	atmel_hlcdc_plane_update_format(plane, state);
-	atmel_hlcdc_plane_update_clut(plane, state);
-	atmel_hlcdc_plane_update_buffers(plane, state);
-	atmel_hlcdc_plane_update_disc_area(plane, state);
+	atmel_hlcdc_plane_update_pos_and_size(plane, hstate);
+	atmel_hlcdc_plane_update_general_settings(plane, hstate);
+	atmel_hlcdc_plane_update_format(plane, hstate);
+	atmel_hlcdc_plane_update_clut(plane, hstate);
+	atmel_hlcdc_plane_update_buffers(plane, hstate);
+	atmel_hlcdc_plane_update_disc_area(plane, hstate);
 
 	/* Enable the overrun interrupts. */
 	atmel_hlcdc_layer_write_reg(&plane->layer, ATMEL_HLCDC_LAYER_IER,

drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c

···
 
 static int cdns_mhdp_remove(struct platform_device *pdev)
 {
-	struct cdns_mhdp_device *mhdp = dev_get_drvdata(&pdev->dev);
+	struct cdns_mhdp_device *mhdp = platform_get_drvdata(pdev);
 	unsigned long timeout = msecs_to_jiffies(100);
 	bool stop_fw = false;
 	int ret;

drivers/gpu/drm/drm_atomic.c

···
 EXPORT_SYMBOL(__drm_crtc_commit_free);
 
 /**
+ * drm_crtc_commit_wait - Waits for a commit to complete
+ * @commit: &drm_crtc_commit to wait for
+ *
+ * Waits for a given &drm_crtc_commit to be programmed into the
+ * hardware and flipped to.
+ *
+ * Returns:
+ *
+ * 0 on success, a negative error code otherwise.
+ */
+int drm_crtc_commit_wait(struct drm_crtc_commit *commit)
+{
+	unsigned long timeout = 10 * HZ;
+	int ret;
+
+	if (!commit)
+		return 0;
+
+	ret = wait_for_completion_timeout(&commit->hw_done, timeout);
+	if (!ret) {
+		DRM_ERROR("hw_done timed out\n");
+		return -ETIMEDOUT;
+	}
+
+	/*
+	 * Currently no support for overwriting flips, hence
+	 * stall for previous one to execute completely.
+	 */
+	ret = wait_for_completion_timeout(&commit->flip_done, timeout);
+	if (!ret) {
+		DRM_ERROR("flip_done timed out\n");
+		return -ETIMEDOUT;
+	}
+
+	return 0;
+}
+EXPORT_SYMBOL(drm_crtc_commit_wait);
+
+/**
  * drm_atomic_state_default_release -
  * release memory initialized by drm_atomic_state_init
  * @state: atomic state
···
 	ret = drm_plane_check_pixel_format(plane, fb->format->format,
 					   fb->modifier);
 	if (ret) {
-		struct drm_format_name_buf format_name;
-
-		DRM_DEBUG_ATOMIC("[PLANE:%d:%s] invalid pixel format %s, modifier 0x%llx\n",
+		DRM_DEBUG_ATOMIC("[PLANE:%d:%s] invalid pixel format %p4cc, modifier 0x%llx\n",
 				 plane->base.id, plane->name,
-				 drm_get_format_name(fb->format->format,
-						     &format_name),
-				 fb->modifier);
+				 &fb->format->format, fb->modifier);
 		return ret;
 	}
 

drivers/gpu/drm/drm_atomic_helper.c

···
 		if (!funcs || !funcs->atomic_check)
 			continue;
 
-		ret = funcs->atomic_check(plane, new_plane_state);
+		ret = funcs->atomic_check(plane, state);
 		if (ret) {
 			DRM_DEBUG_ATOMIC("[PLANE:%d:%s] atomic driver check failed\n",
 					 plane->base.id, plane->name);
···
 		return -EBUSY;
 	}
 
-	return funcs->atomic_async_check(plane, new_plane_state);
+	return funcs->atomic_async_check(plane, state);
 }
 EXPORT_SYMBOL(drm_atomic_helper_async_check);
 
···
 		struct drm_framebuffer *old_fb = plane->state->fb;
 
 		funcs = plane->helper_private;
-		funcs->atomic_async_update(plane, plane_state);
+		funcs->atomic_async_update(plane, state);
 
 		/*
 		 * ->atomic_async_update() is supposed to update the
···
 	struct drm_plane_state *old_plane_state;
 	struct drm_connector *conn;
 	struct drm_connector_state *old_conn_state;
-	struct drm_crtc_commit *commit;
 	int i;
 	long ret;
 
 	for_each_old_crtc_in_state(old_state, crtc, old_crtc_state, i) {
-		commit = old_crtc_state->commit;
-
-		if (!commit)
-			continue;
-
-		ret = wait_for_completion_timeout(&commit->hw_done,
-						  10*HZ);
-		if (ret == 0)
-			DRM_ERROR("[CRTC:%d:%s] hw_done timed out\n",
-				  crtc->base.id, crtc->name);
-
-		/* Currently no support for overwriting flips, hence
-		 * stall for previous one to execute completely. */
-		ret = wait_for_completion_timeout(&commit->flip_done,
-						  10*HZ);
-		if (ret == 0)
-			DRM_ERROR("[CRTC:%d:%s] flip_done timed out\n",
+		ret = drm_crtc_commit_wait(old_crtc_state->commit);
+		if (ret)
+			DRM_ERROR("[CRTC:%d:%s] commit wait timed out\n",
 				  crtc->base.id, crtc->name);
 	}
 
 	for_each_old_connector_in_state(old_state, conn, old_conn_state, i) {
-		commit = old_conn_state->commit;
-
-		if (!commit)
-			continue;
-
-		ret = wait_for_completion_timeout(&commit->hw_done,
-						  10*HZ);
-		if (ret == 0)
-			DRM_ERROR("[CONNECTOR:%d:%s] hw_done timed out\n",
-				  conn->base.id, conn->name);
-
-		/* Currently no support for overwriting flips, hence
-		 * stall for previous one to execute completely. */
-		ret = wait_for_completion_timeout(&commit->flip_done,
-						  10*HZ);
-		if (ret == 0)
-			DRM_ERROR("[CONNECTOR:%d:%s] flip_done timed out\n",
+		ret = drm_crtc_commit_wait(old_conn_state->commit);
+		if (ret)
+			DRM_ERROR("[CONNECTOR:%d:%s] commit wait timed out\n",
 				  conn->base.id, conn->name);
 	}
 
 	for_each_old_plane_in_state(old_state, plane, old_plane_state, i) {
-		commit = old_plane_state->commit;
-
-		if (!commit)
-			continue;
-
-		ret = wait_for_completion_timeout(&commit->hw_done,
-						  10*HZ);
-		if (ret == 0)
-			DRM_ERROR("[PLANE:%d:%s] hw_done timed out\n",
-				  plane->base.id, plane->name);
-
-		/* Currently no support for overwriting flips, hence
-		 * stall for previous one to execute completely. */
-		ret = wait_for_completion_timeout(&commit->flip_done,
-						  10*HZ);
-		if (ret == 0)
-			DRM_ERROR("[PLANE:%d:%s] flip_done timed out\n",
+		ret = drm_crtc_commit_wait(old_plane_state->commit);
+		if (ret)
+			DRM_ERROR("[PLANE:%d:%s] commit wait timed out\n",
 				  plane->base.id, plane->name);
 	}
 }
···
 			    no_disable)
 				continue;
 
-			funcs->atomic_disable(plane, old_plane_state);
+			funcs->atomic_disable(plane, old_state);
 		} else if (new_plane_state->crtc || disabling) {
-			funcs->atomic_update(plane, old_plane_state);
+			funcs->atomic_update(plane, old_state);
 		}
 	}
 
···
 
 		if (drm_atomic_plane_disabling(old_plane_state, new_plane_state) &&
 		    plane_funcs->atomic_disable)
-			plane_funcs->atomic_disable(plane, old_plane_state);
+			plane_funcs->atomic_disable(plane, old_state);
 		else if (new_plane_state->crtc ||
 			 drm_atomic_plane_disabling(old_plane_state, new_plane_state))
-			plane_funcs->atomic_update(plane, old_plane_state);
+			plane_funcs->atomic_update(plane, old_state);
 	}
 
 	if (crtc_funcs && crtc_funcs->atomic_flush)

drivers/gpu/drm/drm_crtc.c

···
 							   fb->format->format,
 							   fb->modifier);
 			if (ret) {
-				struct drm_format_name_buf format_name;
-
-				DRM_DEBUG_KMS("Invalid pixel format %s, modifier 0x%llx\n",
-					      drm_get_format_name(fb->format->format,
-								  &format_name),
+				DRM_DEBUG_KMS("Invalid pixel format %p4cc, modifier 0x%llx\n",
+					      &fb->format->format,
 					      fb->modifier);
 				goto out;
 			}

drivers/gpu/drm/drm_dp_mst_topology.c

···
 
 	req.req_type = DP_CLEAR_PAYLOAD_ID_TABLE;
 	drm_dp_encode_sideband_req(&req, msg);
+	msg->path_msg = true;
 }
 
 static int build_enum_path_resources(struct drm_dp_sideband_msg_tx *msg,
···
 
 	if (port->pdt != DP_PEER_DEVICE_NONE &&
 	    drm_dp_mst_is_end_device(port->pdt, port->mcs) &&
-	    port->port_num >= DP_MST_LOGICAL_PORT_0) {
+	    port->port_num >= DP_MST_LOGICAL_PORT_0)
 		port->cached_edid = drm_get_edid(port->connector,
 						 &port->aux.ddc);
-		drm_connector_set_tile_property(port->connector);
-	}
 
 	drm_connector_register(port->connector);
 	return;
···
 
 	req_type = txmsg->msg[0] & 0x7f;
 	if (req_type == DP_CONNECTION_STATUS_NOTIFY ||
-		req_type == DP_RESOURCE_STATUS_NOTIFY)
+		req_type == DP_RESOURCE_STATUS_NOTIFY ||
+		req_type == DP_CLEAR_PAYLOAD_ID_TABLE)
 		hdr->broadcast = 1;
 	else
 		hdr->broadcast = 0;
 	hdr->path_msg = txmsg->path_msg;
-	hdr->lct = mstb->lct;
-	hdr->lcr = mstb->lct - 1;
-	if (mstb->lct > 1)
-		memcpy(hdr->rad, mstb->rad, mstb->lct / 2);
+	if (hdr->broadcast) {
+		hdr->lct = 1;
+		hdr->lcr = 6;
+	} else {
+		hdr->lct = mstb->lct;
+		hdr->lcr = mstb->lct - 1;
+	}
+
+	memcpy(hdr->rad, mstb->rad, hdr->lct / 2);
 
 	return 0;
 }
···
 	case DP_PEER_DEVICE_SST_SINK:
 		ret = connector_status_connected;
 		/* for logical ports - cache the EDID */
-		if (port->port_num >= 8 && !port->cached_edid) {
+		if (port->port_num >= DP_MST_LOGICAL_PORT_0 && !port->cached_edid)
 			port->cached_edid = drm_get_edid(connector, &port->aux.ddc);
-		}
 		break;
 	case DP_PEER_DEVICE_DP_LEGACY_CONV:
 		if (port->ldps)
···
 		if (!found)
 			return 0;
 
-		/* This should never happen, as it means we tried to
-		 * set a mode before querying the full_pbn
+		/*
+		 * This could happen if the sink deasserted its HPD line, but
+		 * the branch device still reports it as attached (PDT != NONE).
 		 */
-		if (WARN_ON(!port->full_pbn))
+		if (!port->full_pbn) {
+			drm_dbg_atomic(port->mgr->dev,
+				       "[MSTB:%p] [MST PORT:%p] no BW available for the port\n",
+				       port->parent, port);
 			return -EINVAL;
+		}
 
 		pbn_used = vcpi->pbn;
 	} else {

drivers/gpu/drm/drm_drv.c

···
  * prefer to embed struct drm_device into their own device
  * structure and call drm_dev_init() themselves.
  */
-static bool drm_core_init_complete = false;
+static bool drm_core_init_complete;
 
 static struct dentry *drm_debugfs_root;
 

drivers/gpu/drm/drm_framebuffer.c

···
 
 	/* check if the format is supported at all */
 	if (!__drm_format_info(r->pixel_format)) {
-		struct drm_format_name_buf format_name;
-
-		DRM_DEBUG_KMS("bad framebuffer format %s\n",
-			      drm_get_format_name(r->pixel_format,
-						  &format_name));
+		DRM_DEBUG_KMS("bad framebuffer format %p4cc\n",
+			      &r->pixel_format);
 		return -EINVAL;
 	}
 
···
 void drm_framebuffer_print_info(struct drm_printer *p, unsigned int indent,
 				const struct drm_framebuffer *fb)
 {
-	struct drm_format_name_buf format_name;
 	unsigned int i;
 
 	drm_printf_indent(p, indent, "allocated by = %s\n", fb->comm);
 	drm_printf_indent(p, indent, "refcount=%u\n",
 			  drm_framebuffer_read_refcount(fb));
-	drm_printf_indent(p, indent, "format=%s\n",
-			  drm_get_format_name(fb->format->format, &format_name));
+	drm_printf_indent(p, indent, "format=%p4cc\n", &fb->format->format);
 	drm_printf_indent(p, indent, "modifier=0x%llx\n", fb->modifier);
 	drm_printf_indent(p, indent, "size=%ux%u\n", fb->width, fb->height);
 	drm_printf_indent(p, indent, "layers:\n");

drivers/gpu/drm/drm_gem.c

···
 
 	return 0;
 }
+EXPORT_SYMBOL(drm_gem_vmap);
 
 void drm_gem_vunmap(struct drm_gem_object *obj, struct dma_buf_map *map)
 {
···
 	/* Always set the mapping to NULL. Callers may rely on this. */
 	dma_buf_map_clear(map);
 }
+EXPORT_SYMBOL(drm_gem_vunmap);
 
 /**
  * drm_gem_lock_reservations - Sets up the ww context and acquires

drivers/gpu/drm/drm_gem_atomic_helper.c

···
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include <linux/dma-resv.h>
+
+#include <drm/drm_atomic_state_helper.h>
+#include <drm/drm_atomic_uapi.h>
+#include <drm/drm_gem.h>
+#include <drm/drm_gem_atomic_helper.h>
+#include <drm/drm_gem_framebuffer_helper.h>
+#include <drm/drm_simple_kms_helper.h>
+
+#include "drm_internal.h"
+
+/**
+ * DOC: overview
+ *
+ * The GEM atomic helpers library implements generic atomic-commit
+ * functions for drivers that use GEM objects. Currently, it provides
+ * synchronization helpers, and plane state and framebuffer BO mappings
+ * for planes with shadow buffers.
+ *
+ * Before scanout, a plane's framebuffer needs to be synchronized with
+ * possible writers that draw into the framebuffer. All drivers should
+ * call drm_gem_plane_helper_prepare_fb() from their implementation of
+ * struct &drm_plane_helper.prepare_fb . It sets the plane's fence from
+ * the framebuffer so that the DRM core can synchronize access automatically.
+ *
+ * drm_gem_plane_helper_prepare_fb() can also be used directly as
+ * implementation of prepare_fb. For drivers based on
+ * struct drm_simple_display_pipe, drm_gem_simple_display_pipe_prepare_fb()
+ * provides equivalent functionality.
+ *
+ * .. code-block:: c
+ *
+ *	#include <drm/drm_gem_atomic_helper.h>
+ *
+ *	struct drm_plane_helper_funcs driver_plane_helper_funcs = {
+ *		...,
+ *		. prepare_fb = drm_gem_plane_helper_prepare_fb,
+ *	};
+ *
+ *	struct drm_simple_display_pipe_funcs driver_pipe_funcs = {
+ *		...,
+ *		. prepare_fb = drm_gem_simple_display_pipe_prepare_fb,
+ *	};
+ *
+ * A driver using a shadow buffer copies the content of the shadow buffers
+ * into the HW's framebuffer memory during an atomic update. This requires
+ * a mapping of the shadow buffer into kernel address space. The mappings
+ * cannot be established by commit-tail functions, such as atomic_update,
+ * as this would violate locking rules around dma_buf_vmap().
+ *
+ * The helpers for shadow-buffered planes establish and release mappings,
+ * and provide struct drm_shadow_plane_state, which stores the plane's mapping
+ * for commit-tail functons.
+ *
+ * Shadow-buffered planes can easily be enabled by using the provided macros
+ * %DRM_GEM_SHADOW_PLANE_FUNCS and %DRM_GEM_SHADOW_PLANE_HELPER_FUNCS.
+ * These macros set up the plane and plane-helper callbacks to point to the
+ * shadow-buffer helpers.
+ *
+ * .. code-block:: c
+ *
+ *	#include <drm/drm_gem_atomic_helper.h>
+ *
+ *	struct drm_plane_funcs driver_plane_funcs = {
+ *		...,
+ *		DRM_GEM_SHADOW_PLANE_FUNCS,
+ *	};
+ *
+ *	struct drm_plane_helper_funcs driver_plane_helper_funcs = {
+ *		...,
+ *		DRM_GEM_SHADOW_PLANE_HELPER_FUNCS,
+ *	};
+ *
+ * In the driver's atomic-update function, shadow-buffer mappings are available
+ * from the plane state. Use to_drm_shadow_plane_state() to upcast from
+ * struct drm_plane_state.
+ *
+ * .. code-block:: c
+ *
+ *	void driver_plane_atomic_update(struct drm_plane *plane,
+ *					struct drm_plane_state *old_plane_state)
+ *	{
+ *		struct drm_plane_state *plane_state = plane->state;
+ *		struct drm_shadow_plane_state *shadow_plane_state =
+ *			to_drm_shadow_plane_state(plane_state);
+ *
+ *		// access shadow buffer via shadow_plane_state->map
+ *	}
+ *
+ * A mapping address for each of the framebuffer's buffer object is stored in
+ * struct &drm_shadow_plane_state.map. The mappings are valid while the state
+ * is being used.
+ *
+ * Drivers that use struct drm_simple_display_pipe can use
+ * %DRM_GEM_SIMPLE_DISPLAY_PIPE_SHADOW_PLANE_FUNCS to initialize the rsp
+ * callbacks. Access to shadow-buffer mappings is similar to regular
+ * atomic_update.
+ *
+ * .. code-block:: c
+ *
+ *	struct drm_simple_display_pipe_funcs driver_pipe_funcs = {
+ *		...,
+ *		DRM_GEM_SIMPLE_DISPLAY_PIPE_SHADOW_PLANE_FUNCS,
+ *	};
+ *
+ *	void driver_pipe_enable(struct drm_simple_display_pipe *pipe,
+ *				struct drm_crtc_state *crtc_state,
+ *				struct drm_plane_state *plane_state)
+ *	{
+ *		struct drm_shadow_plane_state *shadow_plane_state =
+ *			to_drm_shadow_plane_state(plane_state);
+ *
+ *		// access shadow buffer via shadow_plane_state->map
+ *	}
+ */
+
+/*
+ * Plane Helpers
+ */
+
+/**
+ * drm_gem_plane_helper_prepare_fb() - Prepare a GEM backed framebuffer
+ * @plane: Plane
+ * @state: Plane state the fence will be attached to
+ *
+ * This function extracts the exclusive fence from &drm_gem_object.resv and
+ * attaches it to plane state for the atomic helper to wait on. This is
+ * necessary to correctly implement implicit synchronization for any buffers
+ * shared as a struct &dma_buf. This function can be used as the
+ * &drm_plane_helper_funcs.prepare_fb callback.
+ *
+ * There is no need for &drm_plane_helper_funcs.cleanup_fb hook for simple
+ * GEM based framebuffer drivers which have their buffers always pinned in
+ * memory.
+ *
+ * See drm_atomic_set_fence_for_plane() for a discussion of implicit and
+ * explicit fencing in atomic modeset updates.
+ */
+int drm_gem_plane_helper_prepare_fb(struct drm_plane *plane, struct drm_plane_state *state)
+{
+	struct drm_gem_object *obj;
+	struct dma_fence *fence;
+
+	if (!state->fb)
+		return 0;
+
+	obj = drm_gem_fb_get_obj(state->fb, 0);
+	fence = dma_resv_get_excl_rcu(obj->resv);
+	drm_atomic_set_fence_for_plane(state, fence);
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(drm_gem_plane_helper_prepare_fb);
+
+/**
+ * drm_gem_simple_display_pipe_prepare_fb - prepare_fb helper for &drm_simple_display_pipe
+ * @pipe: Simple display pipe
+ * @plane_state: Plane state
+ *
+ * This function uses drm_gem_plane_helper_prepare_fb() to extract the exclusive fence
+ * from &drm_gem_object.resv and attaches it to plane state for the atomic
+ * helper to wait on. This is necessary to correctly implement implicit
+ * synchronization for any buffers shared as a struct &dma_buf. Drivers can use
+ * this as their &drm_simple_display_pipe_funcs.prepare_fb callback.
+ *
+ * See drm_atomic_set_fence_for_plane() for a discussion of implicit and
+ * explicit fencing in atomic modeset updates.
+ */
+int drm_gem_simple_display_pipe_prepare_fb(struct drm_simple_display_pipe *pipe,
+					   struct drm_plane_state *plane_state)
+{
+	return drm_gem_plane_helper_prepare_fb(&pipe->plane, plane_state);
+}
+EXPORT_SYMBOL(drm_gem_simple_display_pipe_prepare_fb);
+
+/*
+ * Shadow-buffered Planes
+ */
+
+/**
+ * drm_gem_duplicate_shadow_plane_state - duplicates shadow-buffered plane state
+ * @plane: the plane
+ *
+ * This function implements struct &drm_plane_funcs.atomic_duplicate_state for
+ * shadow-buffered planes. It assumes the existing state to be of type
+ * struct drm_shadow_plane_state and it allocates the new state to be of this
+ * type.
+ *
+ * The function does not duplicate existing mappings of the shadow buffers.
+ * Mappings are maintained during the atomic commit by the plane's prepare_fb
+ * and cleanup_fb helpers. See drm_gem_prepare_shadow_fb() and drm_gem_cleanup_shadow_fb()
+ * for corresponding helpers.
+ *
+ * Returns:
+ * A pointer to a new plane state on success, or NULL otherwise.
+ */
+struct drm_plane_state *
+drm_gem_duplicate_shadow_plane_state(struct drm_plane *plane)
+{
+	struct drm_plane_state *plane_state = plane->state;
+	struct drm_shadow_plane_state *new_shadow_plane_state;
+
+	if (!plane_state)
+		return NULL;
+
+	new_shadow_plane_state = kzalloc(sizeof(*new_shadow_plane_state), GFP_KERNEL);
+	if (!new_shadow_plane_state)
+		return NULL;
+	__drm_atomic_helper_plane_duplicate_state(plane, &new_shadow_plane_state->base);
+
+	return &new_shadow_plane_state->base;
+}
+EXPORT_SYMBOL(drm_gem_duplicate_shadow_plane_state);
+
+/**
+ * drm_gem_destroy_shadow_plane_state - deletes shadow-buffered plane state
+ * @plane: the plane
+ * @plane_state: the plane state of type struct drm_shadow_plane_state
+ *
+ * This function implements struct &drm_plane_funcs.atomic_destroy_state
+ * for shadow-buffered planes. It expects that mappings of shadow buffers
+ * have been released already.
+ */
+void drm_gem_destroy_shadow_plane_state(struct drm_plane *plane,
+					struct drm_plane_state *plane_state)
+{
+	struct drm_shadow_plane_state *shadow_plane_state =
+		to_drm_shadow_plane_state(plane_state);
+
+	__drm_atomic_helper_plane_destroy_state(&shadow_plane_state->base);
+	kfree(shadow_plane_state);
+}
+EXPORT_SYMBOL(drm_gem_destroy_shadow_plane_state);
+
+/**
+ * drm_gem_reset_shadow_plane - resets a shadow-buffered plane
+ * @plane: the plane
+ *
+ * This function implements struct &drm_plane_funcs.reset_plane for
+ * shadow-buffered planes. It assumes the current plane state to be
+ * of type struct drm_shadow_plane and it allocates the new state of
+ * this type.
+ */
+void drm_gem_reset_shadow_plane(struct drm_plane *plane)
+{
+	struct drm_shadow_plane_state *shadow_plane_state;
+
+	if (plane->state) {
+		drm_gem_destroy_shadow_plane_state(plane, plane->state);
+		plane->state = NULL; /* must be set to NULL here */
+	}
+
+	shadow_plane_state = kzalloc(sizeof(*shadow_plane_state), GFP_KERNEL);
+	if (!shadow_plane_state)
+		return;
+	__drm_atomic_helper_plane_reset(plane, &shadow_plane_state->base);
+}
+EXPORT_SYMBOL(drm_gem_reset_shadow_plane);
+
+/**
+ * drm_gem_prepare_shadow_fb - prepares shadow framebuffers
+ * @plane: the plane
+ * @plane_state: the plane state of type struct drm_shadow_plane_state
+ *
+ * This function implements struct &drm_plane_helper_funcs.prepare_fb. It
+ * maps all buffer objects of the plane's framebuffer into kernel address
+ * space and stores them in &struct drm_shadow_plane_state.map. The
+ * framebuffer will be synchronized as part of the atomic commit.
+ *
+ * See drm_gem_cleanup_shadow_fb() for cleanup.
+ *
+ * Returns:
+ * 0 on success, or a negative errno code otherwise.
+ */
+int drm_gem_prepare_shadow_fb(struct drm_plane *plane, struct drm_plane_state *plane_state)
+{
+	struct drm_shadow_plane_state *shadow_plane_state = to_drm_shadow_plane_state(plane_state);
+	struct drm_framebuffer *fb = plane_state->fb;
+	struct drm_gem_object *obj;
+	struct dma_buf_map map;
+	int ret;
+	size_t i;
+
+	if (!fb)
+		return 0;
+
+	ret = drm_gem_plane_helper_prepare_fb(plane, plane_state);
+	if (ret)
+		return ret;
+
+	for (i = 0; i < ARRAY_SIZE(shadow_plane_state->map); ++i) {
+		obj = drm_gem_fb_get_obj(fb, i);
+		if (!obj)
+			continue;
+		ret = drm_gem_vmap(obj, &map);
+		if (ret)
+			goto err_drm_gem_vunmap;
+		shadow_plane_state->map[i] = map;
+	}
+
+	return 0;
+
+err_drm_gem_vunmap:
+	while (i) {
+		--i;
+		obj = drm_gem_fb_get_obj(fb, i);
+		if (!obj)
+			continue;
+		drm_gem_vunmap(obj, &shadow_plane_state->map[i]);
+	}
+	return ret;
+}
+EXPORT_SYMBOL(drm_gem_prepare_shadow_fb);
+
+/**
+ * drm_gem_cleanup_shadow_fb - releases shadow framebuffers
+ * @plane: the plane
+ * @plane_state: the plane state of type struct drm_shadow_plane_state
+ *
+ * This function implements struct &drm_plane_helper_funcs.cleanup_fb.
+ * This function unmaps all buffer objects of the plane's framebuffer.
+ *
+ * See drm_gem_prepare_shadow_fb() for more inforamtion.
+ */
+void drm_gem_cleanup_shadow_fb(struct drm_plane *plane, struct drm_plane_state *plane_state)
+{
+	struct drm_shadow_plane_state *shadow_plane_state = to_drm_shadow_plane_state(plane_state);
+	struct drm_framebuffer *fb = plane_state->fb;
+	size_t i = ARRAY_SIZE(shadow_plane_state->map);
+	struct drm_gem_object *obj;
+
+	if (!fb)
+		return;
+
+	while (i) {
+		--i;
+		obj = drm_gem_fb_get_obj(fb, i);
+		if (!obj)
+			continue;
+		drm_gem_vunmap(obj, &shadow_plane_state->map[i]);
+	}
+}
+EXPORT_SYMBOL(drm_gem_cleanup_shadow_fb);
+
+/**
+ * drm_gem_simple_kms_prepare_shadow_fb - prepares shadow framebuffers
+ * @pipe: the simple display pipe
+ * @plane_state: the plane state of type struct drm_shadow_plane_state
+ *
+ * This function implements struct drm_simple_display_funcs.prepare_fb. It
+ * maps all buffer objects of the plane's framebuffer into kernel address
+ * space and stores them in struct drm_shadow_plane_state.map. The
+ * framebuffer will be synchronized as part of the atomic commit.
+ *
+ * See drm_gem_simple_kms_cleanup_shadow_fb() for cleanup.
+ *
+ * Returns:
+ * 0 on success, or a negative errno code otherwise.
+ */
+int drm_gem_simple_kms_prepare_shadow_fb(struct drm_simple_display_pipe *pipe,
+					 struct drm_plane_state *plane_state)
+{
+	return drm_gem_prepare_shadow_fb(&pipe->plane, plane_state);
+}
+EXPORT_SYMBOL(drm_gem_simple_kms_prepare_shadow_fb);
+
+/**
+ * drm_gem_simple_kms_cleanup_shadow_fb - releases shadow framebuffers
+ * @pipe: the simple display pipe
+ * @plane_state: the plane state of type struct drm_shadow_plane_state
+ *
+ * This function implements struct drm_simple_display_funcs.cleanup_fb.
+ * This function unmaps all buffer objects of the plane's framebuffer.
+ *
+ * See drm_gem_simple_kms_prepare_shadow_fb().
+ */
+void drm_gem_simple_kms_cleanup_shadow_fb(struct drm_simple_display_pipe *pipe,
+					  struct drm_plane_state *plane_state)
+{
+	drm_gem_cleanup_shadow_fb(&pipe->plane, plane_state);
+}
+EXPORT_SYMBOL(drm_gem_simple_kms_cleanup_shadow_fb);
+
+/**
+ * drm_gem_simple_kms_reset_shadow_plane - resets a shadow-buffered plane
+ * @pipe: the simple display pipe
+ *
+ * This function implements struct drm_simple_display_funcs.reset_plane
+ * for shadow-buffered planes.
+ */
+void drm_gem_simple_kms_reset_shadow_plane(struct drm_simple_display_pipe *pipe)
+{
+	drm_gem_reset_shadow_plane(&pipe->plane);
+}
+EXPORT_SYMBOL(drm_gem_simple_kms_reset_shadow_plane);
+
+/**
+ * drm_gem_simple_kms_duplicate_shadow_plane_state - duplicates shadow-buffered plane state
+ * @pipe: the simple display pipe
+ *
+ * This function implements struct drm_simple_display_funcs.duplicate_plane_state
+ * for shadow-buffered planes. It does not duplicate existing mappings of the shadow
+ * buffers. Mappings are maintained during the atomic commit by the plane's prepare_fb
+ * and cleanup_fb helpers.
+ *
+ * Returns:
+ * A pointer to a new plane state on success, or NULL otherwise.
+ */
+struct drm_plane_state *
+drm_gem_simple_kms_duplicate_shadow_plane_state(struct drm_simple_display_pipe *pipe)
+{
+	return drm_gem_duplicate_shadow_plane_state(&pipe->plane);
+}
+EXPORT_SYMBOL(drm_gem_simple_kms_duplicate_shadow_plane_state);
+
+/**
+ * drm_gem_simple_kms_destroy_shadow_plane_state - resets shadow-buffered plane state
+ * @pipe: the simple display pipe
+ * @plane_state: the plane state of type struct drm_shadow_plane_state
+ *
+ * This function implements struct drm_simple_display_funcs.destroy_plane_state
+ * for shadow-buffered planes. It expects that mappings of shadow buffers
+ * have been released already.
+ */
+void drm_gem_simple_kms_destroy_shadow_plane_state(struct drm_simple_display_pipe *pipe,
+						   struct drm_plane_state *plane_state)
+{
+	drm_gem_destroy_shadow_plane_state(&pipe->plane, plane_state);
+}
+EXPORT_SYMBOL(drm_gem_simple_kms_destroy_shadow_plane_state);

drivers/gpu/drm/drm_gem_framebuffer_helper.c

···
  * Copyright (C) 2017 Noralf Trønnes
  */
 
-#include <linux/dma-buf.h>
-#include <linux/dma-fence.h>
-#include <linux/dma-resv.h>
 #include <linux/slab.h>
 
-#include <drm/drm_atomic.h>
-#include <drm/drm_atomic_uapi.h>
 #include <drm/drm_damage_helper.h>
 #include <drm/drm_fb_helper.h>
 #include <drm/drm_fourcc.h>
···
 #include <drm/drm_gem.h>
 #include <drm/drm_gem_framebuffer_helper.h>
 #include <drm/drm_modeset_helper.h>
-#include <drm/drm_simple_kms_helper.h>
 
 #define AFBC_HEADER_SIZE		16
 #define AFBC_TH_LAYOUT_ALIGNMENT	8
···
 	return 0;
 }
 EXPORT_SYMBOL_GPL(drm_gem_fb_afbc_init);
-
-/**
- * drm_gem_fb_prepare_fb() - Prepare a GEM backed framebuffer
- * @plane: Plane
- * @state: Plane state the fence will be attached to
- *
- * This function extracts the exclusive fence from &drm_gem_object.resv and
- * attaches it to plane state for the atomic helper to wait on. This is
- * necessary to correctly implement implicit synchronization for any buffers
- * shared as a struct &dma_buf. This function can be used as the
- * &drm_plane_helper_funcs.prepare_fb callback.
- *
- * There is no need for &drm_plane_helper_funcs.cleanup_fb hook for simple
- * gem based framebuffer drivers which have their buffers always pinned in
- * memory.
- *
- * See drm_atomic_set_fence_for_plane() for a discussion of implicit and
- * explicit fencing in atomic modeset updates.
- */
-int drm_gem_fb_prepare_fb(struct drm_plane *plane,
-			  struct drm_plane_state *state)
-{
-	struct drm_gem_object *obj;
-	struct dma_fence *fence;
-
-	if (!state->fb)
-		return 0;
-
-	obj = drm_gem_fb_get_obj(state->fb, 0);
-	fence = dma_resv_get_excl_rcu(obj->resv);
-	drm_atomic_set_fence_for_plane(state, fence);
-
-	return 0;
-}
-EXPORT_SYMBOL_GPL(drm_gem_fb_prepare_fb);
-
-/**
- * drm_gem_fb_simple_display_pipe_prepare_fb - prepare_fb helper for
- *     &drm_simple_display_pipe
- * @pipe: Simple display pipe
- * @plane_state: Plane state
- *
- * This function uses drm_gem_fb_prepare_fb() to extract the exclusive fence
- * from &drm_gem_object.resv and attaches it to plane state for the atomic
- * helper to wait on. This is necessary to correctly implement implicit
- * synchronization for any buffers shared as a struct &dma_buf. Drivers can use
- * this as their &drm_simple_display_pipe_funcs.prepare_fb callback.
- *
- * See drm_atomic_set_fence_for_plane() for a discussion of implicit and
- * explicit fencing in atomic modeset updates.
- */
-int drm_gem_fb_simple_display_pipe_prepare_fb(struct drm_simple_display_pipe *pipe,
-					      struct drm_plane_state *plane_state)
-{
-	return drm_gem_fb_prepare_fb(&pipe->plane, plane_state);
-}
-EXPORT_SYMBOL(drm_gem_fb_simple_display_pipe_prepare_fb);

drivers/gpu/drm/drm_gem_vram_helper.c

···
 #include <drm/drm_drv.h>
 #include <drm/drm_file.h>
 #include <drm/drm_framebuffer.h>
-#include <drm/drm_gem_framebuffer_helper.h>
+#include <drm/drm_gem_atomic_helper.h>
 #include <drm/drm_gem_ttm_helper.h>
 #include <drm/drm_gem_vram_helper.h>
 #include <drm/drm_managed.h>
···
 	struct drm_gem_vram_object *gbo;
 	struct drm_gem_object *gem;
 	struct drm_vram_mm *vmm = dev->vram_mm;
-	struct ttm_bo_device *bdev;
+	struct ttm_device *bdev;
 	int ret;
-	size_t acc_size;
 
 	if (WARN_ONCE(!vmm, "VRAM MM not initialized"))
 		return ERR_PTR(-EINVAL);
···
 	}
 
 	bdev = &vmm->bdev;
-	acc_size = ttm_bo_dma_acc_size(bdev, size, sizeof(*gbo));
 
 	gbo->bo.bdev = bdev;
 	drm_gem_vram_placement(gbo, DRM_GEM_VRAM_PL_FLAG_SYSTEM);
···
 	 * to release gbo->bo.base and kfree gbo.
 	 */
 	ret = ttm_bo_init(bdev, &gbo->bo, size, ttm_bo_type_device,
-			  &gbo->placement, pg_align, false, acc_size,
-			  NULL, NULL, ttm_buffer_object_destroy);
+			  &gbo->placement, pg_align, false, NULL, NULL,
+			  ttm_buffer_object_destroy);
 	if (ret)
 		return ERR_PTR(ret);
 
···
 EXPORT_SYMBOL(drm_gem_vram_fill_create_dumb);
 
 /*
- * Helpers for struct ttm_bo_driver
+ * Helpers for struct ttm_device_funcs
  */
 
 static bool drm_is_gem_vram(struct ttm_buffer_object *bo)
···
 	*pl = gbo->placement;
 }
 
-static void drm_gem_vram_bo_driver_move_notify(struct drm_gem_vram_object *gbo,
-					       bool evict,
-					       struct ttm_resource *new_mem)
+static void drm_gem_vram_bo_driver_move_notify(struct drm_gem_vram_object *gbo)
 {
 	struct ttm_buffer_object *bo = &gbo->bo;
 	struct drm_device *dev = bo->base.dev;
···
 				       struct ttm_operation_ctx *ctx,
 				       struct ttm_resource *new_mem)
 {
-	int ret;
-
-	drm_gem_vram_bo_driver_move_notify(gbo, evict, new_mem);
-	ret = ttm_bo_move_memcpy(&gbo->bo, ctx, new_mem);
-	if (ret) {
-		swap(*new_mem, gbo->bo.mem);
-		drm_gem_vram_bo_driver_move_notify(gbo, false, new_mem);
-		swap(*new_mem, gbo->bo.mem);
-	}
-	return ret;
+	drm_gem_vram_bo_driver_move_notify(gbo);
+	return ttm_bo_move_memcpy(&gbo->bo, ctx, new_mem);
 }
 
 /*
···
 			goto err_drm_gem_vram_unpin;
 	}
 
-	ret = drm_gem_fb_prepare_fb(plane, new_state);
+	ret = drm_gem_plane_helper_prepare_fb(plane, new_state);
 	if (ret)
 		goto err_drm_gem_vram_unpin;
 
···
  * TTM TT
  */
 
-static void bo_driver_ttm_tt_destroy(struct ttm_bo_device *bdev, struct ttm_tt *tt)
+static void bo_driver_ttm_tt_destroy(struct ttm_device *bdev, struct ttm_tt *tt)
 {
 	ttm_tt_destroy_common(bdev, tt);
 	ttm_tt_fini(tt);
···
 
 	gbo = drm_gem_vram_of_bo(bo);
 
-	drm_gem_vram_bo_driver_move_notify(gbo, false, NULL);
+	drm_gem_vram_bo_driver_move_notify(gbo);
 }
 
 static int bo_driver_move(struct ttm_buffer_object *bo,
···
 	return drm_gem_vram_bo_driver_move(gbo, evict, ctx, new_mem);
 }
 
-static int bo_driver_io_mem_reserve(struct ttm_bo_device *bdev,
+static int bo_driver_io_mem_reserve(struct ttm_device *bdev,
 				    struct ttm_resource *mem)
 {
 	struct drm_vram_mm *vmm = drm_vram_mm_of_bdev(bdev);
···
 	return 0;
 }
 
-static struct ttm_bo_driver bo_driver = {
+static struct ttm_device_funcs bo_driver = {
 	.ttm_tt_create = bo_driver_ttm_tt_create,
 	.ttm_tt_destroy = bo_driver_ttm_tt_destroy,
 	.eviction_valuable = ttm_bo_eviction_valuable,
···
 	vmm->vram_base = vram_base;
 	vmm->vram_size = vram_size;
 
-	ret = ttm_bo_device_init(&vmm->bdev, &bo_driver, dev->dev,
+	ret = ttm_device_init(&vmm->bdev, &bo_driver, dev->dev,
 				 dev->anon_inode->i_mapping,
 				 dev->vma_offset_manager,
 				 false, true);
···
 static void drm_vram_mm_cleanup(struct drm_vram_mm *vmm)
 {
 	ttm_range_man_fini(&vmm->bdev, TTM_PL_VRAM);
-	ttm_bo_device_release(&vmm->bdev);
+	ttm_device_fini(&vmm->bdev);
 }
 
 /*

drivers/gpu/drm/drm_ioc32.c

···
 			       unsigned long arg)
 {
 	drm_stats32_t __user *argp = (void __user *)arg;
-	int err;
 
-	err = drm_ioctl_kernel(file, drm_noop, NULL, 0);
-	if (err)
-		return err;
-
+	/* getstats is defunct, just clear */
 	if (clear_user(argp, sizeof(drm_stats32_t)))
 		return -EFAULT;
 	return 0;
···
 static int compat_drm_update_draw(struct file *file, unsigned int cmd,
 				  unsigned long arg)
 {
-	drm_update_draw32_t update32;
-
-	if (copy_from_user(&update32, (void __user *)arg, sizeof(update32)))
-		return -EFAULT;
-
-	return drm_ioctl_kernel(file, drm_noop, NULL,
-				DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY);
+	/* update_draw is defunct */
+	return 0;
 }
 #endif
 

drivers/gpu/drm/drm_mipi_dbi.c

···
 	struct drm_gem_object *gem = drm_gem_fb_get_obj(fb, 0);
 	struct drm_gem_cma_object *cma_obj = to_drm_gem_cma_obj(gem);
 	struct dma_buf_attachment *import_attach = gem->import_attach;
-	struct drm_format_name_buf format_name;
 	void *src = cma_obj->vaddr;
 	int ret = 0;
 
···
 		drm_fb_xrgb8888_to_rgb565(dst, src, fb, clip, swap);
 		break;
 	default:
-		drm_err_once(fb->dev, "Format is not supported: %s\n",
-			     drm_get_format_name(fb->format->format, &format_name));
+		drm_err_once(fb->dev, "Format is not supported: %p4cc\n",
+			     &fb->format->format);
 		return -EINVAL;
 	}
 

drivers/gpu/drm/drm_panel_orientation_quirks.c

···
 	.orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP,
 };
 
+static const struct drm_dmi_panel_orientation_data onegx1_pro = {
+	.width = 1200,
+	.height = 1920,
+	.bios_dates = (const char * const []){ "12/17/2020", NULL },
+	.orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP,
+};
+
 static const struct drm_dmi_panel_orientation_data lcd720x1280_rightside_up = {
 	.width = 720,
 	.height = 1280,
···
 		  DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, "Lenovo ideapad D330-10IGM"),
 		},
 		.driver_data = (void *)&lcd1200x1920_rightside_up,
+	}, {	/* OneGX1 Pro */
+		.matches = {
+		  DMI_EXACT_MATCH(DMI_SYS_VENDOR, "SYSTEM_MANUFACTURER"),
+		  DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "SYSTEM_PRODUCT_NAME"),
+		  DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, "Default string"),
+		},
+		.driver_data = (void *)&onegx1_pro,
 	}, {	/* VIOS LTH17 */
 		.matches = {
 		  DMI_EXACT_MATCH(DMI_SYS_VENDOR, "VIOS"),

drivers/gpu/drm/drm_plane.c

···
  * &struct drm_plane (possibly as part of a larger structure) and registers it
  * with a call to drm_universal_plane_init().
  *
- * The type of a plane is exposed in the immutable "type" enumeration property,
- * which has one of the following values: "Overlay", "Primary", "Cursor" (see
- * enum drm_plane_type). A plane can be compatible with multiple CRTCs, see
- * &drm_plane.possible_crtcs.
+ * Each plane has a type, see enum drm_plane_type. A plane can be compatible
+ * with multiple CRTCs, see &drm_plane.possible_crtcs.
  *
  * Each CRTC must have a unique primary plane userspace can attach to enable
  * the CRTC. In other words, userspace must be able to attach a different
···
  * DOC: standard plane properties
  *
  * DRM planes have a few standardized properties:
+ *
+ * type:
+ *     Immutable property describing the type of the plane.
+ *
+ *     For user-space which has enabled the &DRM_CLIENT_CAP_ATOMIC capability,
+ *     the plane type is just a hint and is mostly superseded by atomic
+ *     test-only commits. The type hint can still be used to come up more
+ *     easily with a plane configuration accepted by the driver.
+ *
+ *     The value of this property can be one of the following:
+ *
+ *     "Primary":
+ *         To light up a CRTC, attaching a primary plane is the most likely to
+ *         work if it covers the whole CRTC and doesn't have scaling or
+ *         cropping set up.
+ *
+ *         Drivers may support more features for the primary plane, user-space
+ *         can find out with test-only atomic commits.
+ *
+ *         Some primary planes are implicitly used by the kernel in the legacy
+ *         IOCTLs &DRM_IOCTL_MODE_SETCRTC and &DRM_IOCTL_MODE_PAGE_FLIP.
+ *         Therefore user-space must not mix explicit usage of any primary
+ *         plane (e.g. through an atomic commit) with these legacy IOCTLs.
+ *
+ *     "Cursor":
+ *         To enable this plane, using a framebuffer configured without scaling
+ *         or cropping and with the following properties is the most likely to
+ *         work:
+ *
+ *         - If the driver provides the capabilities &DRM_CAP_CURSOR_WIDTH and
+ *           &DRM_CAP_CURSOR_HEIGHT, create the framebuffer with this size.
+ *           Otherwise, create a framebuffer with the size 64x64.
+ *         - If the driver doesn't support modifiers, create a framebuffer with
+ *           a linear layout. Otherwise, use the IN_FORMATS plane property.
+ *
+ *         Drivers may support more features for the cursor plane, user-space
+ *         can find out with test-only atomic commits.
+ *
+ *         Some cursor planes are implicitly used by the kernel in the legacy
+ *         IOCTLs &DRM_IOCTL_MODE_CURSOR and &DRM_IOCTL_MODE_CURSOR2.
+ *         Therefore user-space must not mix explicit usage of any cursor
+ *         plane (e.g. through an atomic commit) with these legacy IOCTLs.
+ *
+ *         Some drivers may support cursors even if no cursor plane is exposed.
+ *         In this case, the legacy cursor IOCTLs can be used to configure the
+ *         cursor.
+ *
+ *     "Overlay":
+ *         Neither primary nor cursor.
+ *
+ *         Overlay planes are the only planes exposed when the
+ *         &DRM_CLIENT_CAP_UNIVERSAL_PLANES capability is disabled.
  *
  * IN_FORMATS:
  *     Blob property which contains the set of buffer format and modifier
···
 	ret = drm_plane_check_pixel_format(plane, fb->format->format,
 					   fb->modifier);
 	if (ret) {
-		struct drm_format_name_buf format_name;
-
-		DRM_DEBUG_KMS("Invalid pixel format %s, modifier 0x%llx\n",
-			      drm_get_format_name(fb->format->format,
-						  &format_name),
-			      fb->modifier);
+		DRM_DEBUG_KMS("Invalid pixel format %p4cc, modifier 0x%llx\n",
+			      &fb->format->format, fb->modifier);
 		return ret;
 	}
 

drivers/gpu/drm/drm_simple_kms_helper.c

···
 };
 
 static int drm_simple_kms_plane_atomic_check(struct drm_plane *plane,
-					struct drm_plane_state *plane_state)
+					struct drm_atomic_state *state)
 {
+	struct drm_plane_state *plane_state = drm_atomic_get_new_plane_state(state,
+									     plane);
 	struct drm_simple_display_pipe *pipe;
 	struct drm_crtc_state *crtc_state;
 	int ret;
 
 	pipe = container_of(plane, struct drm_simple_display_pipe, plane);
-	crtc_state = drm_atomic_get_new_crtc_state(plane_state->state,
+	crtc_state = drm_atomic_get_new_crtc_state(state,
 						   &pipe->crtc);
 
 	ret = drm_atomic_helper_check_plane_state(plane_state, crtc_state,
···
 }
 
 static void drm_simple_kms_plane_atomic_update(struct drm_plane *plane,
-					struct drm_plane_state *old_pstate)
+					struct drm_atomic_state *state)
 {
+	struct drm_plane_state *old_pstate = drm_atomic_get_old_plane_state(state,
+									    plane);
 	struct drm_simple_display_pipe *pipe;
 
 	pipe = container_of(plane, struct drm_simple_display_pipe, plane);
···
 	.atomic_update = drm_simple_kms_plane_atomic_update,
 };
 
+static void drm_simple_kms_plane_reset(struct drm_plane *plane)
+{
+	struct drm_simple_display_pipe *pipe;
+
+	pipe = container_of(plane, struct drm_simple_display_pipe, plane);
+	if (!pipe->funcs || !pipe->funcs->reset_plane)
+		return drm_atomic_helper_plane_reset(plane);
+
+	return pipe->funcs->reset_plane(pipe);
+}
+
+static struct drm_plane_state *drm_simple_kms_plane_duplicate_state(struct drm_plane *plane)
+{
+	struct drm_simple_display_pipe *pipe;
+
+	pipe = container_of(plane, struct drm_simple_display_pipe, plane);
+	if (!pipe->funcs || !pipe->funcs->duplicate_plane_state)
+		return drm_atomic_helper_plane_duplicate_state(plane);
+
+	return pipe->funcs->duplicate_plane_state(pipe);
+}
+
+static void drm_simple_kms_plane_destroy_state(struct drm_plane *plane,
+					       struct drm_plane_state *state)
+{
+	struct drm_simple_display_pipe *pipe;
+
+	pipe = container_of(plane, struct drm_simple_display_pipe, plane);
+	if (!pipe->funcs || !pipe->funcs->destroy_plane_state)
+		drm_atomic_helper_plane_destroy_state(plane, state);
+	else
+		pipe->funcs->destroy_plane_state(pipe, state);
+}
+
 static const struct drm_plane_funcs drm_simple_kms_plane_funcs = {
 	.update_plane		= drm_atomic_helper_update_plane,
 	.disable_plane		= drm_atomic_helper_disable_plane,
 	.destroy		= drm_plane_cleanup,
-	.reset			= drm_atomic_helper_plane_reset,
-	.atomic_duplicate_state	= drm_atomic_helper_plane_duplicate_state,
-	.atomic_destroy_state	= drm_atomic_helper_plane_destroy_state,
+	.reset			= drm_simple_kms_plane_reset,
+	.atomic_duplicate_state	= drm_simple_kms_plane_duplicate_state,
+	.atomic_destroy_state	= drm_simple_kms_plane_destroy_state,
 	.format_mod_supported   = drm_simple_kms_format_mod_supported,
 };
 

drivers/gpu/drm/drm_syncobj.c

···
 	if (!syncobj)
 		return -ENOENT;
 
+	/* Waiting for userspace with locks help is illegal cause that can
+	 * trivial deadlock with page faults for example. Make lockdep complain
+	 * about it early on.
+	 */
+	if (flags & DRM_SYNCOBJ_WAIT_FLAGS_WAIT_FOR_SUBMIT) {
+		might_sleep();
+		lockdep_assert_none_held_once();
+	}
+
 	*fence = drm_syncobj_fence_get(syncobj);
 
 	if (*fence) {
···
 	struct dma_fence *fence;
 	uint64_t *points;
 	uint32_t signaled_count, i;
+
+	if (flags & DRM_SYNCOBJ_WAIT_FLAGS_WAIT_FOR_SUBMIT)
+		lockdep_assert_none_held_once();
 
 	points = kmalloc_array(count, sizeof(*points), GFP_KERNEL);
 	if (points == NULL)

drivers/gpu/drm/drm_vblank.c

···
 }
 EXPORT_SYMBOL(drm_crtc_vblank_on);
 
-/**
- * drm_vblank_restore - estimate missed vblanks and update vblank count.
- * @dev: DRM device
- * @pipe: CRTC index
- *
- * Power manamement features can cause frame counter resets between vblank
- * disable and enable. Drivers can use this function in their
- * &drm_crtc_funcs.enable_vblank implementation to estimate missed vblanks since
- * the last &drm_crtc_funcs.disable_vblank using timestamps and update the
- * vblank counter.
- *
- * This function is the legacy version of drm_crtc_vblank_restore().
- */
-void drm_vblank_restore(struct drm_device *dev, unsigned int pipe)
+static void drm_vblank_restore(struct drm_device *dev, unsigned int pipe)
 {
 	ktime_t t_vblank;
 	struct drm_vblank_crtc *vblank;
···
 		    diff, diff_ns, framedur_ns, cur_vblank - vblank->last);
 	store_vblank(dev, pipe, diff, t_vblank, cur_vblank);
 }
-EXPORT_SYMBOL(drm_vblank_restore);
 
 /**
  * drm_crtc_vblank_restore - estimate missed vblanks and update vblank count.
···
  * &drm_crtc_funcs.enable_vblank implementation to estimate missed vblanks since
  * the last &drm_crtc_funcs.disable_vblank using timestamps and update the
  * vblank counter.
+ *
+ * Note that drivers must have race-free high-precision timestamping support,
+ * i.e.  &drm_crtc_funcs.get_vblank_timestamp must be hooked up and
+ * &drm_driver.vblank_disable_immediate must be set to indicate the
+ * time-stamping functions are race-free against vblank hardware counter
+ * increments.
  */
 void drm_crtc_vblank_restore(struct drm_crtc *crtc)
 {
+	WARN_ON_ONCE(!crtc->funcs->get_vblank_timestamp);
+	WARN_ON_ONCE(!crtc->dev->vblank_disable_immediate);
+
 	drm_vblank_restore(crtc->dev, drm_crtc_index(crtc));
 }
 EXPORT_SYMBOL(drm_crtc_vblank_restore);

drivers/gpu/drm/etnaviv/etnaviv_sched.c

···
 	return fence;
 }
 
-static void etnaviv_sched_timedout_job(struct drm_sched_job *sched_job)
+static enum drm_gpu_sched_stat etnaviv_sched_timedout_job(struct drm_sched_job
+							  *sched_job)
 {
 	struct etnaviv_gem_submit *submit = to_etnaviv_submit(sched_job);
 	struct etnaviv_gpu *gpu = submit->gpu;
···
 
 	drm_sched_resubmit_jobs(&gpu->sched);
 
+	drm_sched_start(&gpu->sched, true);
+	return DRM_GPU_SCHED_STAT_NOMINAL;
+
 out_no_timeout:
 	/* restart scheduler after GPU is usable again */
 	drm_sched_start(&gpu->sched, true);
+	return DRM_GPU_SCHED_STAT_NOMINAL;
 }
 
 static void etnaviv_sched_free_job(struct drm_sched_job *sched_job)
···
 
 	ret = drm_sched_init(&gpu->sched, &etnaviv_sched_ops,
 			     etnaviv_hw_jobs_limit, etnaviv_job_hang_limit,
-			     msecs_to_jiffies(500), dev_name(gpu->dev));
+			     msecs_to_jiffies(500), NULL, dev_name(gpu->dev));
 	if (ret)
 		return ret;
 

drivers/gpu/drm/exynos/exynos_drm_plane.c

···
 }
 
 static int exynos_plane_atomic_check(struct drm_plane *plane,
-				     struct drm_plane_state *state)
+				     struct drm_atomic_state *state)
 {
+	struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
+										 plane);
 	struct exynos_drm_plane *exynos_plane = to_exynos_plane(plane);
 	struct exynos_drm_plane_state *exynos_state =
-						to_exynos_plane_state(state);
+						to_exynos_plane_state(new_plane_state);
 	int ret = 0;
 
-	if (!state->crtc || !state->fb)
+	if (!new_plane_state->crtc || !new_plane_state->fb)
 		return 0;
 
 	/* translate state into exynos_state */
···
 }
 
 static void exynos_plane_atomic_update(struct drm_plane *plane,
-				       struct drm_plane_state *old_state)
+				       struct drm_atomic_state *state)
 {
-	struct drm_plane_state *state = plane->state;
-	struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(state->crtc);
+	struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
+								           plane);
+	struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(new_state->crtc);
 	struct exynos_drm_plane *exynos_plane = to_exynos_plane(plane);
 
-	if (!state->crtc)
+	if (!new_state->crtc)
 		return;
 
 	if (exynos_crtc->ops->update_plane)
···
 }
 
 static void exynos_plane_atomic_disable(struct drm_plane *plane,
-					struct drm_plane_state *old_state)
+					struct drm_atomic_state *state)
 {
+	struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state, plane);
 	struct exynos_drm_plane *exynos_plane = to_exynos_plane(plane);
 	struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(old_state->crtc);
 

drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c

···
 
 #include <linux/regmap.h>
 
+#include <drm/drm_atomic.h>
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_crtc.h>
 #include <drm/drm_fb_cma_helper.h>
···
 }
 
 static int fsl_dcu_drm_plane_atomic_check(struct drm_plane *plane,
-					  struct drm_plane_state *state)
+					  struct drm_atomic_state *state)
 {
-	struct drm_framebuffer *fb = state->fb;
+	struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
+										 plane);
+	struct drm_framebuffer *fb = new_plane_state->fb;
 
-	if (!state->fb || !state->crtc)
+	if (!new_plane_state->fb || !new_plane_state->crtc)
 		return 0;
 
 	switch (fb->format->format) {
···
 }
 
 static void fsl_dcu_drm_plane_atomic_disable(struct drm_plane *plane,
-					     struct drm_plane_state *old_state)
+					     struct drm_atomic_state *state)
 {
 	struct fsl_dcu_drm_device *fsl_dev = plane->dev->dev_private;
 	unsigned int value;
···
 }
 
 static void fsl_dcu_drm_plane_atomic_update(struct drm_plane *plane,
-					    struct drm_plane_state *old_state)
+					    struct drm_atomic_state *state)
 
 {
 	struct fsl_dcu_drm_device *fsl_dev = plane->dev->dev_private;
-	struct drm_plane_state *state = plane->state;
+	struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
+									   plane);
 	struct drm_framebuffer *fb = plane->state->fb;
 	struct drm_gem_cma_object *gem;
 	unsigned int alpha = DCU_LAYER_AB_NONE, bpp;
···
 	}
 
 	regmap_write(fsl_dev->regmap, DCU_CTRLDESCLN(index, 1),
-		     DCU_LAYER_HEIGHT(state->crtc_h) |
-		     DCU_LAYER_WIDTH(state->crtc_w));
+		     DCU_LAYER_HEIGHT(new_state->crtc_h) |
+		     DCU_LAYER_WIDTH(new_state->crtc_w));
 	regmap_write(fsl_dev->regmap, DCU_CTRLDESCLN(index, 2),
-		     DCU_LAYER_POSY(state->crtc_y) |
-		     DCU_LAYER_POSX(state->crtc_x));
+		     DCU_LAYER_POSY(new_state->crtc_y) |
+		     DCU_LAYER_POSX(new_state->crtc_x));
 	regmap_write(fsl_dev->regmap,
 		     DCU_CTRLDESCLN(index, 3), gem->paddr);
 	regmap_write(fsl_dev->regmap, DCU_CTRLDESCLN(index, 4),

drivers/gpu/drm/gma500/Kconfig

···
 	select INPUT if ACPI
 	help
 	  Say yes for an experimental 2D KMS framebuffer driver for the
-	  Intel GMA500 ('Poulsbo') and other Intel IMG based graphics
-	  devices.
-
-config DRM_GMA600
-	bool "Intel GMA600 support (Experimental)"
-	depends on DRM_GMA500
-	help
-	  Say yes to include support for GMA600 (Intel Moorestown/Oaktrail)
-	  platforms with LVDS ports. MIPI is not currently supported.
+	  Intel GMA500 (Poulsbo), Intel GMA600 (Moorestown/Oak Trail) and
+	  Intel GMA3600/3650 (Cedar Trail).

drivers/gpu/drm/gma500/Makefile

···
 #
 
 gma500_gfx-y += \
-	  accel_2d.o \
 	  backlight.o \
-	  blitter.o \
 	  cdv_device.o \
 	  cdv_intel_crt.o \
 	  cdv_intel_display.o \
···
 	  intel_i2c.o \
 	  mid_bios.o \
 	  mmu.o \
+	  oaktrail_device.o \
+	  oaktrail_crtc.o \
+	  oaktrail_hdmi.o \
+	  oaktrail_hdmi_i2c.o \
+	  oaktrail_lvds.o \
+	  oaktrail_lvds_i2c.o \
 	  power.o \
 	  psb_device.o \
 	  psb_drv.o \
···
 	  psb_lid.o \
 	  psb_irq.o
 
-gma500_gfx-$(CONFIG_ACPI) +=  opregion.o \
-
-gma500_gfx-$(CONFIG_DRM_GMA600) += oaktrail_device.o \
-	  oaktrail_crtc.o \
-	  oaktrail_lvds.o \
-	  oaktrail_lvds_i2c.o \
-	  oaktrail_hdmi.o \
-	  oaktrail_hdmi_i2c.o
+gma500_gfx-$(CONFIG_ACPI) +=  opregion.o
 
 obj-$(CONFIG_DRM_GMA500) += gma500_gfx.o

drivers/gpu/drm/gma500/accel_2d.c

···
-// SPDX-License-Identifier: GPL-2.0-only
-/**************************************************************************
- * Copyright (c) 2007-2011, Intel Corporation.
- * All Rights Reserved.
- *
- * Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to
- * develop this driver.
- *
- **************************************************************************/
-
-#include <linux/console.h>
-#include <linux/delay.h>
-#include <linux/errno.h>
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/mm.h>
-#include <linux/module.h>
-#include <linux/slab.h>
-#include <linux/string.h>
-#include <linux/tty.h>
-
-#include <drm/drm.h>
-#include <drm/drm_crtc.h>
-#include <drm/drm_fb_helper.h>
-#include <drm/drm_fourcc.h>
-
-#include "psb_drv.h"
-#include "psb_reg.h"
-
-/**
- *	psb_spank		-	reset the 2D engine
- *	@dev_priv: our PSB DRM device
- *
- *	Soft reset the graphics engine and then reload the necessary registers.
- *	We use this at initialisation time but it will become relevant for
- *	accelerated X later
- */
-void psb_spank(struct drm_psb_private *dev_priv)
-{
-	PSB_WSGX32(_PSB_CS_RESET_BIF_RESET | _PSB_CS_RESET_DPM_RESET |
-		_PSB_CS_RESET_TA_RESET | _PSB_CS_RESET_USE_RESET |
-		_PSB_CS_RESET_ISP_RESET | _PSB_CS_RESET_TSP_RESET |
-		_PSB_CS_RESET_TWOD_RESET, PSB_CR_SOFT_RESET);
-	PSB_RSGX32(PSB_CR_SOFT_RESET);
-
-	msleep(1);
-
-	PSB_WSGX32(0, PSB_CR_SOFT_RESET);
-	wmb();
-	PSB_WSGX32(PSB_RSGX32(PSB_CR_BIF_CTRL) | _PSB_CB_CTRL_CLEAR_FAULT,
-		   PSB_CR_BIF_CTRL);
-	wmb();
-	(void) PSB_RSGX32(PSB_CR_BIF_CTRL);
-
-	msleep(1);
-	PSB_WSGX32(PSB_RSGX32(PSB_CR_BIF_CTRL) & ~_PSB_CB_CTRL_CLEAR_FAULT,
-		   PSB_CR_BIF_CTRL);
-	(void) PSB_RSGX32(PSB_CR_BIF_CTRL);
-	PSB_WSGX32(dev_priv->gtt.gatt_start, PSB_CR_BIF_TWOD_REQ_BASE);
-}

drivers/gpu/drm/gma500/blitter.c

···
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Copyright (c) 2014, Patrik Jakobsson
- * All Rights Reserved.
- *
- * Authors: Patrik Jakobsson <[e-mail]>
- */
-
-#include "psb_drv.h"
-
-#include "blitter.h"
-#include "psb_reg.h"
-
-/* Wait for the blitter to be completely idle */
-int gma_blt_wait_idle(struct drm_psb_private *dev_priv)
-{
-	unsigned long stop = jiffies + HZ;
-	int busy = 1;
-
-	/* NOP for Cedarview */
-	if (IS_CDV(dev_priv->dev))
-		return 0;
-
-	/* First do a quick check */
-	if ((PSB_RSGX32(PSB_CR_2D_SOCIF) == _PSB_C2_SOCIF_EMPTY) &&
-	    ((PSB_RSGX32(PSB_CR_2D_BLIT_STATUS) & _PSB_C2B_STATUS_BUSY) == 0))
-		return 0;
-
-	do {
-		busy = (PSB_RSGX32(PSB_CR_2D_SOCIF) != _PSB_C2_SOCIF_EMPTY);
-	} while (busy && !time_after_eq(jiffies, stop));
-
-	if (busy)
-		return -EBUSY;
-
-	do {
-		busy = ((PSB_RSGX32(PSB_CR_2D_BLIT_STATUS) &
-			_PSB_C2B_STATUS_BUSY) != 0);
-	} while (busy && !time_after_eq(jiffies, stop));
-
-	/* If still busy, we probably have a hang */
-	return (busy) ? -EBUSY : 0;
-}

drivers/gpu/drm/gma500/blitter.h

···
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * Copyright (c) 2014, Patrik Jakobsson
- * All Rights Reserved.
- *
- * Authors: Patrik Jakobsson <[e-mail]>
- */
-
-#ifndef __BLITTER_H
-#define __BLITTER_H
-
-struct drm_psb_private;
-
-extern int gma_blt_wait_idle(struct drm_psb_private *dev_priv);
-
-#endif

drivers/gpu/drm/gma500/cdv_device.c

···
 	.errata = cdv_errata,
 
 	.crtc_helper = &cdv_intel_helper_funcs,
-	.crtc_funcs = &cdv_intel_crtc_funcs,
+	.crtc_funcs = &gma_intel_crtc_funcs,
 	.clock_funcs = &cdv_clock_funcs,
 
 	.output_init = cdv_output_init,

drivers/gpu/drm/gma500/cdv_device.h

···
 struct psb_intel_mode_device;
 
 extern const struct drm_crtc_helper_funcs cdv_intel_helper_funcs;
-extern const struct drm_crtc_funcs cdv_intel_crtc_funcs;
 extern const struct gma_clock_funcs cdv_clock_funcs;
 extern void cdv_intel_crt_init(struct drm_device *dev,
 			struct psb_intel_mode_device *mode_dev);

drivers/gpu/drm/gma500/cdv_intel_crt.c

···
 	struct drm_connector *connector;
 	struct drm_encoder *encoder;
 
-	u32 i2c_reg;
-
 	gma_encoder = kzalloc(sizeof(struct gma_encoder), GFP_KERNEL);
 	if (!gma_encoder)
 		return;
···
 	gma_connector_attach_encoder(gma_connector, gma_encoder);
 
 	/* Set up the DDC bus. */
-	i2c_reg = GPIOA;
-	/* Remove the following code for CDV */
-	/*
-	if (dev_priv->crt_ddc_bus != 0)
-		i2c_reg = dev_priv->crt_ddc_bus;
-	}*/
-	gma_encoder->ddc_bus = psb_intel_i2c_create(dev,
-							  i2c_reg, "CRTDDC_A");
+	gma_encoder->ddc_bus = psb_intel_i2c_create(dev, GPIOA, "CRTDDC_A");
 	if (!gma_encoder->ddc_bus) {
 		dev_printk(KERN_ERR, dev->dev, "DDC bus registration failed.\n");
 		goto failed_ddc;
 	}
 
 	gma_encoder->type = INTEL_OUTPUT_ANALOG;
-	/*
-	psb_intel_output->clone_mask = (1 << INTEL_ANALOG_CLONE_BIT);
-	psb_intel_output->crtc_mask = (1 << 0) | (1 << 1);
-	*/
 	connector->interlace_allowed = 0;
 	connector->doublescan_allowed = 0;
 

drivers/gpu/drm/gma500/cdv_intel_display.c

···
 	struct gma_clock_t clock;
 	u32 dpll = 0, dspcntr, pipeconf;
 	bool ok;
-	bool is_lvds = false, is_tv = false;
+	bool is_lvds = false;
 	bool is_dp = false;
 	struct drm_mode_config *mode_config = &dev->mode_config;
 	struct drm_connector *connector;
···
 		switch (gma_encoder->type) {
 		case INTEL_OUTPUT_LVDS:
 			is_lvds = true;
-			break;
-		case INTEL_OUTPUT_TVOUT:
-			is_tv = true;
 			break;
 		case INTEL_OUTPUT_ANALOG:
 		case INTEL_OUTPUT_HDMI:
···
 	}
 
 	dpll = DPLL_VGA_MODE_DIS;
-	if (is_tv) {
-		/* XXX: just matching BIOS for now */
-/*	dpll |= PLL_REF_INPUT_TVCLKINBC; */
-		dpll |= 3;
-	}
-/*		dpll |= PLL_REF_INPUT_DREFCLK; */
 
 	if (is_dp || is_edp) {
 		cdv_intel_dp_set_m_n(crtc, mode, adjusted_mode);
···
 	.prepare = gma_crtc_prepare,
 	.commit = gma_crtc_commit,
 	.disable = gma_crtc_disable,
-};
-
-const struct drm_crtc_funcs cdv_intel_crtc_funcs = {
-	.cursor_set = gma_crtc_cursor_set,
-	.cursor_move = gma_crtc_cursor_move,
-	.gamma_set = gma_crtc_gamma_set,
-	.set_config = gma_crtc_set_config,
-	.destroy = gma_crtc_destroy,
-	.page_flip = gma_crtc_page_flip,
-	.enable_vblank = psb_enable_vblank,
-	.disable_vblank = psb_disable_vblank,
-	.get_vblank_counter = psb_get_vblank_counter,
 };
 
 const struct gma_clock_funcs cdv_clock_funcs = {

drivers/gpu/drm/gma500/gtt.c

···
 
 #include <asm/set_memory.h>
 
-#include "blitter.h"
 #include "psb_drv.h"
 
 
···
 	struct drm_device *dev = gt->gem.dev;
 	struct drm_psb_private *dev_priv = dev->dev_private;
 	u32 gpu_base = dev_priv->gtt.gatt_start;
-	int ret;
 
-	/* While holding the gtt_mutex no new blits can be initiated */
 	mutex_lock(&dev_priv->gtt_mutex);
-
-	/* Wait for any possible usage of the memory to be finished */
-	ret = gma_blt_wait_idle(dev_priv);
-	if (ret) {
-		DRM_ERROR("Failed to idle the blitter, unpin failed!");
-		goto out;
-	}
 
 	WARN_ON(!gt->in_gart);
 
···
 		psb_gtt_detach_pages(gt);
 	}
 
-out:
 	mutex_unlock(&dev_priv->gtt_mutex);
 }
 

drivers/gpu/drm/gma500/intel_gmbus.c

···
 			ret__ = -ETIMEDOUT;				\
 			break;						\
 		}							\
-		if (W && !(in_atomic() || in_dbg_master())) msleep(W);	\
+		if (W && !(in_dbg_master()))				\
+			msleep(W);					\
 	}								\
 	ret__;								\
 })
 
 #define wait_for(COND, MS) _wait_for(COND, MS, 1)
-#define wait_for_atomic(COND, MS) _wait_for(COND, MS, 0)
 
 #define GMBUS_REG_READ(reg) ioread32(dev_priv->gmbus_reg + (reg))
 #define GMBUS_REG_WRITE(reg, val) iowrite32((val), dev_priv->gmbus_reg + (reg))

drivers/gpu/drm/gma500/oaktrail_device.c

···
 	.chip_setup = oaktrail_chip_setup,
 	.chip_teardown = oaktrail_teardown,
 	.crtc_helper = &oaktrail_helper_funcs,
-	.crtc_funcs = &psb_intel_crtc_funcs,
+	.crtc_funcs = &gma_intel_crtc_funcs,
 
 	.output_init = oaktrail_output_init,
 

drivers/gpu/drm/gma500/psb_device.c

···
 	.chip_teardown = psb_chip_teardown,
 
 	.crtc_helper = &psb_intel_helper_funcs,
-	.crtc_funcs = &psb_intel_crtc_funcs,
+	.crtc_funcs = &gma_intel_crtc_funcs,
 	.clock_funcs = &psb_clock_funcs,
 
 	.output_init = psb_output_init,

drivers/gpu/drm/gma500/psb_drv.c

···
 #include <linux/notifier.h>
 #include <linux/pm_runtime.h>
 #include <linux/spinlock.h>
+#include <linux/delay.h>
 
 #include <asm/set_memory.h>
 
···
 	/* Poulsbo */
 	{ 0x8086, 0x8108, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &psb_chip_ops },
 	{ 0x8086, 0x8109, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &psb_chip_ops },
-#if defined(CONFIG_DRM_GMA600)
+	/* Oak Trail */
 	{ 0x8086, 0x4100, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops },
 	{ 0x8086, 0x4101, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops },
 	{ 0x8086, 0x4102, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops },
···
 	{ 0x8086, 0x4106, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops },
 	{ 0x8086, 0x4107, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops },
 	{ 0x8086, 0x4108, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops },
-#endif
-	/* Cedartrail */
+	/* Cedar Trail */
 	{ 0x8086, 0x0be0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops },
 	{ 0x8086, 0x0be1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops },
 	{ 0x8086, 0x0be2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops },
···
  */
 static const struct drm_ioctl_desc psb_ioctls[] = {
 };
+
+/**
+ *	psb_spank		-	reset the 2D engine
+ *	@dev_priv: our PSB DRM device
+ *
+ *	Soft reset the graphics engine and then reload the necessary registers.
+ */
+void psb_spank(struct drm_psb_private *dev_priv)
+{
+	PSB_WSGX32(_PSB_CS_RESET_BIF_RESET | _PSB_CS_RESET_DPM_RESET |
+		_PSB_CS_RESET_TA_RESET | _PSB_CS_RESET_USE_RESET |
+		_PSB_CS_RESET_ISP_RESET | _PSB_CS_RESET_TSP_RESET |
+		_PSB_CS_RESET_TWOD_RESET, PSB_CR_SOFT_RESET);
+	PSB_RSGX32(PSB_CR_SOFT_RESET);
+
+	msleep(1);
+
+	PSB_WSGX32(0, PSB_CR_SOFT_RESET);
+	wmb();
+	PSB_WSGX32(PSB_RSGX32(PSB_CR_BIF_CTRL) | _PSB_CB_CTRL_CLEAR_FAULT,
+		   PSB_CR_BIF_CTRL);
+	wmb();
+	(void) PSB_RSGX32(PSB_CR_BIF_CTRL);
+
+	msleep(1);
+	PSB_WSGX32(PSB_RSGX32(PSB_CR_BIF_CTRL) & ~_PSB_CB_CTRL_CLEAR_FAULT,
+		   PSB_CR_BIF_CTRL);
+	(void) PSB_RSGX32(PSB_CR_BIF_CTRL);
+	PSB_WSGX32(dev_priv->gtt.gatt_start, PSB_CR_BIF_TWOD_REQ_BASE);
+}
 
 static int psb_do_init(struct drm_device *dev)
 {

drivers/gpu/drm/gma500/psb_drv.h

···
 
 /* psb_irq.c */
 extern irqreturn_t psb_irq_handler(int irq, void *arg);
-extern int psb_irq_enable_dpst(struct drm_device *dev);
-extern int psb_irq_disable_dpst(struct drm_device *dev);
 extern void psb_irq_preinstall(struct drm_device *dev);
 extern int psb_irq_postinstall(struct drm_device *dev);
 extern void psb_irq_uninstall(struct drm_device *dev);
-extern void psb_irq_turn_on_dpst(struct drm_device *dev);
-extern void psb_irq_turn_off_dpst(struct drm_device *dev);
 
 extern void psb_irq_uninstall_islands(struct drm_device *dev, int hw_islands);
 extern int psb_vblank_wait2(struct drm_device *dev, unsigned int *sequence);
···
 
 /* psb_intel_display.c */
 extern const struct drm_crtc_helper_funcs psb_intel_helper_funcs;
-extern const struct drm_crtc_funcs psb_intel_crtc_funcs;
+extern const struct drm_crtc_funcs gma_intel_crtc_funcs;
 
 /* psb_intel_lvds.c */
 extern const struct drm_connector_helper_funcs

drivers/gpu/drm/gma500/psb_intel_display.c

···
 	.disable = gma_crtc_disable,
 };
 
-const struct drm_crtc_funcs psb_intel_crtc_funcs = {
+const struct drm_crtc_funcs gma_intel_crtc_funcs = {
 	.cursor_set = gma_crtc_cursor_set,
 	.cursor_move = gma_crtc_cursor_move,
 	.gamma_set = gma_crtc_gamma_set,

drivers/gpu/drm/gma500/psb_intel_reg.h

···
 #define HISTOGRAM_INT_CTRL_CLEAR		(1UL << 30)
 #define DPST_YUV_LUMA_MODE			0
 
-struct dpst_ie_histogram_control {
-	union {
-		uint32_t data;
-		struct {
-			uint32_t bin_reg_index:7;
-			uint32_t reserved:4;
-			uint32_t bin_reg_func_select:1;
-			uint32_t sync_to_phase_in:1;
-			uint32_t alt_enhancement_mode:2;
-			uint32_t reserved1:1;
-			uint32_t sync_to_phase_in_count:8;
-			uint32_t histogram_mode_select:1;
-			uint32_t reserved2:4;
-			uint32_t ie_pipe_assignment:1;
-			uint32_t ie_mode_table_enabled:1;
-			uint32_t ie_histogram_enable:1;
-		};
-	};
-};
-
-struct dpst_guardband {
-	union {
-		uint32_t data;
-		struct {
-			uint32_t guardband:22;
-			uint32_t guardband_interrupt_delay:8;
-			uint32_t interrupt_status:1;
-			uint32_t interrupt_enable:1;
-		};
-	};
-};
-
 #define PIPEAFRAMEHIGH		0x70040
 #define PIPEAFRAMEPIXEL		0x70044
 #define PIPEBFRAMEHIGH		0x71040

drivers/gpu/drm/gma500/psb_irq.c

···
 	}
 }
 
-static void mid_enable_pipe_event(struct drm_psb_private *dev_priv, int pipe)
-{
-	if (gma_power_begin(dev_priv->dev, false)) {
-		u32 pipe_event = mid_pipe_event(pipe);
-		dev_priv->vdc_irq_mask |= pipe_event;
-		PSB_WVDC32(~dev_priv->vdc_irq_mask, PSB_INT_MASK_R);
-		PSB_WVDC32(dev_priv->vdc_irq_mask, PSB_INT_ENABLE_R);
-		gma_power_end(dev_priv->dev);
-	}
-}
-
-static void mid_disable_pipe_event(struct drm_psb_private *dev_priv, int pipe)
-{
-	if (dev_priv->pipestat[pipe] == 0) {
-		if (gma_power_begin(dev_priv->dev, false)) {
-			u32 pipe_event = mid_pipe_event(pipe);
-			dev_priv->vdc_irq_mask &= ~pipe_event;
-			PSB_WVDC32(~dev_priv->vdc_irq_mask, PSB_INT_MASK_R);
-			PSB_WVDC32(dev_priv->vdc_irq_mask, PSB_INT_ENABLE_R);
-			gma_power_end(dev_priv->dev);
-		}
-	}
-}
-
 /*
  * Display controller interrupt handler for pipe event.
  */
···
 	/* This register is safe even if display island is off */
 	PSB_WVDC32(PSB_RVDC32(PSB_INT_IDENTITY_R), PSB_INT_IDENTITY_R);
 	spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags);
-}
-
-void psb_irq_turn_on_dpst(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv =
-		(struct drm_psb_private *) dev->dev_private;
-	u32 hist_reg;
-	u32 pwm_reg;
-
-	if (gma_power_begin(dev, false)) {
-		PSB_WVDC32(1 << 31, HISTOGRAM_LOGIC_CONTROL);
-		hist_reg = PSB_RVDC32(HISTOGRAM_LOGIC_CONTROL);
-		PSB_WVDC32(1 << 31, HISTOGRAM_INT_CONTROL);
-		hist_reg = PSB_RVDC32(HISTOGRAM_INT_CONTROL);
-
-		PSB_WVDC32(0x80010100, PWM_CONTROL_LOGIC);
-		pwm_reg = PSB_RVDC32(PWM_CONTROL_LOGIC);
-		PSB_WVDC32(pwm_reg | PWM_PHASEIN_ENABLE
-						| PWM_PHASEIN_INT_ENABLE,
-							   PWM_CONTROL_LOGIC);
-		pwm_reg = PSB_RVDC32(PWM_CONTROL_LOGIC);
-
-		psb_enable_pipestat(dev_priv, 0, PIPE_DPST_EVENT_ENABLE);
-
-		hist_reg = PSB_RVDC32(HISTOGRAM_INT_CONTROL);
-		PSB_WVDC32(hist_reg | HISTOGRAM_INT_CTRL_CLEAR,
-							HISTOGRAM_INT_CONTROL);
-		pwm_reg = PSB_RVDC32(PWM_CONTROL_LOGIC);
-		PSB_WVDC32(pwm_reg | 0x80010100 | PWM_PHASEIN_ENABLE,
-							PWM_CONTROL_LOGIC);
-
-		gma_power_end(dev);
-	}
-}
-
-int psb_irq_enable_dpst(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv =
-		(struct drm_psb_private *) dev->dev_private;
-	unsigned long irqflags;
-
-	spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags);
-
-	/* enable DPST */
-	mid_enable_pipe_event(dev_priv, 0);
-	psb_irq_turn_on_dpst(dev);
-
-	spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags);
-	return 0;
-}
-
-void psb_irq_turn_off_dpst(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv =
-	    (struct drm_psb_private *) dev->dev_private;
-	u32 pwm_reg;
-
-	if (gma_power_begin(dev, false)) {
-		PSB_WVDC32(0x00000000, HISTOGRAM_INT_CONTROL);
-		PSB_RVDC32(HISTOGRAM_INT_CONTROL);
-
-		psb_disable_pipestat(dev_priv, 0, PIPE_DPST_EVENT_ENABLE);
-
-		pwm_reg = PSB_RVDC32(PWM_CONTROL_LOGIC);
-		PSB_WVDC32(pwm_reg & ~PWM_PHASEIN_INT_ENABLE,
-							PWM_CONTROL_LOGIC);
-		pwm_reg = PSB_RVDC32(PWM_CONTROL_LOGIC);
-
-		gma_power_end(dev);
-	}
-}
-
-int psb_irq_disable_dpst(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv =
-	    (struct drm_psb_private *) dev->dev_private;
-	unsigned long irqflags;
-
-	spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags);
-
-	mid_disable_pipe_event(dev_priv, 0);
-	psb_irq_turn_off_dpst(dev);
-
-	spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags);
-
-	return 0;
 }
 
 /*

drivers/gpu/drm/gma500/psb_irq.h

···
 void psb_irq_uninstall(struct drm_device *dev);
 irqreturn_t psb_irq_handler(int irq, void *arg);
 
-int psb_irq_enable_dpst(struct drm_device *dev);
-int psb_irq_disable_dpst(struct drm_device *dev);
-void psb_irq_turn_on_dpst(struct drm_device *dev);
-void psb_irq_turn_off_dpst(struct drm_device *dev);
 int  psb_enable_vblank(struct drm_crtc *crtc);
 void psb_disable_vblank(struct drm_crtc *crtc);
 u32  psb_get_vblank_counter(struct drm_crtc *crtc);

drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c

···
 };
 
 static int hibmc_plane_atomic_check(struct drm_plane *plane,
-				    struct drm_plane_state *state)
+				    struct drm_atomic_state *state)
 {
-	struct drm_framebuffer *fb = state->fb;
-	struct drm_crtc *crtc = state->crtc;
+	struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
+										 plane);
+	struct drm_framebuffer *fb = new_plane_state->fb;
+	struct drm_crtc *crtc = new_plane_state->crtc;
 	struct drm_crtc_state *crtc_state;
-	u32 src_w = state->src_w >> 16;
-	u32 src_h = state->src_h >> 16;
+	u32 src_w = new_plane_state->src_w >> 16;
+	u32 src_h = new_plane_state->src_h >> 16;
 
 	if (!crtc || !fb)
 		return 0;
 
-	crtc_state = drm_atomic_get_crtc_state(state->state, crtc);
+	crtc_state = drm_atomic_get_crtc_state(state, crtc);
 	if (IS_ERR(crtc_state))
 		return PTR_ERR(crtc_state);
 
-	if (src_w != state->crtc_w || src_h != state->crtc_h) {
+	if (src_w != new_plane_state->crtc_w || src_h != new_plane_state->crtc_h) {
 		drm_dbg_atomic(plane->dev, "scale not support\n");
 		return -EINVAL;
 	}
 
-	if (state->crtc_x < 0 || state->crtc_y < 0) {
+	if (new_plane_state->crtc_x < 0 || new_plane_state->crtc_y < 0) {
 		drm_dbg_atomic(plane->dev, "crtc_x/y of drm_plane state is invalid\n");
 		return -EINVAL;
 	}
···
 	if (!crtc_state->enable)
 		return 0;
 
-	if (state->crtc_x + state->crtc_w >
+	if (new_plane_state->crtc_x + new_plane_state->crtc_w >
 	    crtc_state->adjusted_mode.hdisplay ||
-	    state->crtc_y + state->crtc_h >
+	    new_plane_state->crtc_y + new_plane_state->crtc_h >
 	    crtc_state->adjusted_mode.vdisplay) {
 		drm_dbg_atomic(plane->dev, "visible portion of plane is invalid\n");
 		return -EINVAL;
 	}
 
-	if (state->fb->pitches[0] % 128 != 0) {
+	if (new_plane_state->fb->pitches[0] % 128 != 0) {
 		drm_dbg_atomic(plane->dev, "wrong stride with 128-byte aligned\n");
 		return -EINVAL;
 	}
···
 }
 
 static void hibmc_plane_atomic_update(struct drm_plane *plane,
-				      struct drm_plane_state *old_state)
+				      struct drm_atomic_state *state)
 {
-	struct drm_plane_state	*state	= plane->state;
+	struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
+									   plane);
 	u32 reg;
 	s64 gpu_addr = 0;
 	u32 line_l;
 	struct hibmc_drm_private *priv = to_hibmc_drm_private(plane->dev);
 	struct drm_gem_vram_object *gbo;
 
-	if (!state->fb)
+	if (!new_state->fb)
 		return;
 
-	gbo = drm_gem_vram_of_gem(state->fb->obj[0]);
+	gbo = drm_gem_vram_of_gem(new_state->fb->obj[0]);
 
 	gpu_addr = drm_gem_vram_offset(gbo);
 	if (WARN_ON_ONCE(gpu_addr < 0))
···
 
 	writel(gpu_addr, priv->mmio + HIBMC_CRT_FB_ADDRESS);
 
-	reg = state->fb->width * (state->fb->format->cpp[0]);
+	reg = new_state->fb->width * (new_state->fb->format->cpp[0]);
 
-	line_l = state->fb->pitches[0];
+	line_l = new_state->fb->pitches[0];
 	writel(HIBMC_FIELD(HIBMC_CRT_FB_WIDTH_WIDTH, reg) |
 	       HIBMC_FIELD(HIBMC_CRT_FB_WIDTH_OFFS, line_l),
 	       priv->mmio + HIBMC_CRT_FB_WIDTH);
···
 	reg = readl(priv->mmio + HIBMC_CRT_DISP_CTL);
 	reg &= ~HIBMC_CRT_DISP_CTL_FORMAT_MASK;
 	reg |= HIBMC_FIELD(HIBMC_CRT_DISP_CTL_FORMAT,
-			   state->fb->format->cpp[0] * 8 / 16);
+			   new_state->fb->format->cpp[0] * 8 / 16);
 	writel(reg, priv->mmio + HIBMC_CRT_DISP_CTL);
 }
 

drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c

···
 			 u32 ch, u32 y, u32 in_h, u32 fmt)
 {
 	struct drm_gem_cma_object *obj = drm_fb_cma_get_gem_obj(fb, 0);
-	struct drm_format_name_buf format_name;
 	u32 reg_ctrl, reg_addr, reg_size, reg_stride, reg_space, reg_en;
 	u32 stride = fb->pitches[0];
 	u32 addr = (u32)obj->paddr + y * stride;
 
 	DRM_DEBUG_DRIVER("rdma%d: (y=%d, height=%d), stride=%d, paddr=0x%x\n",
 			 ch + 1, y, in_h, stride, (u32)obj->paddr);
-	DRM_DEBUG_DRIVER("addr=0x%x, fb:%dx%d, pixel_format=%d(%s)\n",
+	DRM_DEBUG_DRIVER("addr=0x%x, fb:%dx%d, pixel_format=%d(%p4cc)\n",
 			 addr, fb->width, fb->height, fmt,
-			 drm_get_format_name(fb->format->format, &format_name));
+			 &fb->format->format);
 
 	/* get reg offset */
 	reg_ctrl = RD_CH_CTRL(ch);
···
 }
 
 static int ade_plane_atomic_check(struct drm_plane *plane,
-				  struct drm_plane_state *state)
+				  struct drm_atomic_state *state)
 {
-	struct drm_framebuffer *fb = state->fb;
-	struct drm_crtc *crtc = state->crtc;
+	struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
+										 plane);
+	struct drm_framebuffer *fb = new_plane_state->fb;
+	struct drm_crtc *crtc = new_plane_state->crtc;
 	struct drm_crtc_state *crtc_state;
-	u32 src_x = state->src_x >> 16;
-	u32 src_y = state->src_y >> 16;
-	u32 src_w = state->src_w >> 16;
-	u32 src_h = state->src_h >> 16;
-	int crtc_x = state->crtc_x;
-	int crtc_y = state->crtc_y;
-	u32 crtc_w = state->crtc_w;
-	u32 crtc_h = state->crtc_h;
+	u32 src_x = new_plane_state->src_x >> 16;
+	u32 src_y = new_plane_state->src_y >> 16;
+	u32 src_w = new_plane_state->src_w >> 16;
+	u32 src_h = new_plane_state->src_h >> 16;
+	int crtc_x = new_plane_state->crtc_x;
+	int crtc_y = new_plane_state->crtc_y;
+	u32 crtc_w = new_plane_state->crtc_w;
+	u32 crtc_h = new_plane_state->crtc_h;
 	u32 fmt;
 
 	if (!crtc || !fb)
···
 	if (fmt == ADE_FORMAT_UNSUPPORT)
 		return -EINVAL;
 
-	crtc_state = drm_atomic_get_crtc_state(state->state, crtc);
+	crtc_state = drm_atomic_get_crtc_state(state, crtc);
 	if (IS_ERR(crtc_state))
 		return PTR_ERR(crtc_state);
 
···
 }
 
 static void ade_plane_atomic_update(struct drm_plane *plane,
-				    struct drm_plane_state *old_state)
+				    struct drm_atomic_state *state)
 {
-	struct drm_plane_state *state = plane->state;
+	struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
+									   plane);
 	struct kirin_plane *kplane = to_kirin_plane(plane);
 
-	ade_update_channel(kplane, state->fb, state->crtc_x, state->crtc_y,
-			   state->crtc_w, state->crtc_h,
-			   state->src_x >> 16, state->src_y >> 16,
-			   state->src_w >> 16, state->src_h >> 16);
+	ade_update_channel(kplane, new_state->fb, new_state->crtc_x,
+			   new_state->crtc_y,
+			   new_state->crtc_w, new_state->crtc_h,
+			   new_state->src_x >> 16, new_state->src_y >> 16,
+			   new_state->src_w >> 16, new_state->src_h >> 16);
 }
 
 static void ade_plane_atomic_disable(struct drm_plane *plane,
-				     struct drm_plane_state *old_state)
+				     struct drm_atomic_state *state)
 {
 	struct kirin_plane *kplane = to_kirin_plane(plane);
 

drivers/gpu/drm/i915/display/intel_display.c

···
 	struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane);
 	struct drm_i915_private *i915 = to_i915(plane->base.dev);
 	const struct drm_framebuffer *fb = plane_state->hw.fb;
-	struct drm_format_name_buf format_name;
 
 	if (!fb) {
 		drm_dbg_kms(&i915->drm,
···
 	}
 
 	drm_dbg_kms(&i915->drm,
-		    "[PLANE:%d:%s] fb: [FB:%d] %ux%u format = %s modifier = 0x%llx, visible: %s\n",
+		    "[PLANE:%d:%s] fb: [FB:%d] %ux%u format = %p4cc modifier = 0x%llx, visible: %s\n",
 		    plane->base.base.id, plane->base.name,
-		    fb->base.id, fb->width, fb->height,
-		    drm_get_format_name(fb->format->format, &format_name),
+		    fb->base.id, fb->width, fb->height, &fb->format->format,
 		    fb->modifier, yesno(plane_state->uapi.visible));
 	drm_dbg_kms(&i915->drm, "\trotation: 0x%x, scaler: %d\n",
 		    plane_state->hw.rotation, plane_state->scaler_id);
···
 	if (!drm_any_plane_has_format(&dev_priv->drm,
 				      mode_cmd->pixel_format,
 				      mode_cmd->modifier[0])) {
-		struct drm_format_name_buf format_name;
-
 		drm_dbg_kms(&dev_priv->drm,
-			    "unsupported pixel format %s / modifier 0x%llx\n",
-			    drm_get_format_name(mode_cmd->pixel_format,
-						&format_name),
-			    mode_cmd->modifier[0]);
+			    "unsupported pixel format %p4cc / modifier 0x%llx\n",
+			    &mode_cmd->pixel_format, mode_cmd->modifier[0]);
 		goto err;
 	}
 

drivers/gpu/drm/i915/display/intel_display_debugfs.c

···
 	const struct intel_plane_state *plane_state =
 		to_intel_plane_state(plane->base.state);
 	const struct drm_framebuffer *fb = plane_state->uapi.fb;
-	struct drm_format_name_buf format_name;
 	struct drm_rect src, dst;
 	char rot_str[48];
 
 	src = drm_plane_state_src(&plane_state->uapi);
 	dst = drm_plane_state_dest(&plane_state->uapi);
 
-	if (fb)
-		drm_get_format_name(fb->format->format, &format_name);
-
 	plane_rotation(rot_str, sizeof(rot_str),
 		       plane_state->uapi.rotation);
 
-	seq_printf(m, "\t\tuapi: [FB:%d] %s,0x%llx,%dx%d, visible=%s, src=" DRM_RECT_FP_FMT ", dst=" DRM_RECT_FMT ", rotation=%s\n",
-		   fb ? fb->base.id : 0, fb ? format_name.str : "n/a",
-		   fb ? fb->modifier : 0,
-		   fb ? fb->width : 0, fb ? fb->height : 0,
-		   plane_visibility(plane_state),
-		   DRM_RECT_FP_ARG(&src),
-		   DRM_RECT_ARG(&dst),
-		   rot_str);
+	seq_puts(m, "\t\tuapi: [FB:");
+	if (fb)
+		seq_printf(m, "%d] %p4cc,0x%llx,%dx%d", fb->base.id,
+			   &fb->format->format, fb->modifier, fb->width,
+			   fb->height);
+	else
+		seq_puts(m, "0] n/a,0x0,0x0,");
+	seq_printf(m, ", visible=%s, src=" DRM_RECT_FP_FMT ", dst=" DRM_RECT_FMT
+		   ", rotation=%s\n", plane_visibility(plane_state),
+		   DRM_RECT_FP_ARG(&src), DRM_RECT_ARG(&dst), rot_str);
 
 	if (plane_state->planar_linked_plane)
 		seq_printf(m, "\t\tplanar: Linked to [PLANE:%d:%s] as a %s\n",
···
 	const struct intel_plane_state *plane_state =
 		to_intel_plane_state(plane->base.state);
 	const struct drm_framebuffer *fb = plane_state->hw.fb;
-	struct drm_format_name_buf format_name;
 	char rot_str[48];
 
 	if (!fb)
 		return;
 
-	drm_get_format_name(fb->format->format, &format_name);
-
 	plane_rotation(rot_str, sizeof(rot_str),
 		       plane_state->hw.rotation);
 
-	seq_printf(m, "\t\thw: [FB:%d] %s,0x%llx,%dx%d, visible=%s, src=" DRM_RECT_FP_FMT ", dst=" DRM_RECT_FMT ", rotation=%s\n",
-		   fb->base.id, format_name.str,
+	seq_printf(m, "\t\thw: [FB:%d] %p4cc,0x%llx,%dx%d, visible=%s, src="
+		   DRM_RECT_FP_FMT ", dst=" DRM_RECT_FMT ", rotation=%s\n",
+		   fb->base.id, &fb->format->format,
 		   fb->modifier, fb->width, fb->height,
 		   yesno(plane_state->uapi.visible),
 		   DRM_RECT_FP_ARG(&plane_state->uapi.src),

drivers/gpu/drm/i915/display/intel_sprite.c

···
 	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
 	const struct drm_framebuffer *fb = plane_state->hw.fb;
 	unsigned int rotation = plane_state->hw.rotation;
-	struct drm_format_name_buf format_name;
 
 	if (!fb)
 		return 0;
···
 		case DRM_FORMAT_XVYU12_16161616:
 		case DRM_FORMAT_XVYU16161616:
 			drm_dbg_kms(&dev_priv->drm,
-				    "Unsupported pixel format %s for 90/270!\n",
-				    drm_get_format_name(fb->format->format,
-							&format_name));
+				    "Unsupported pixel format %p4cc for 90/270!\n",
+				    &fb->format->format);
 			return -EINVAL;
 		default:
 			break;

drivers/gpu/drm/imx/dcss/dcss-plane.c

···
 #include <drm/drm_atomic.h>
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_fb_cma_helper.h>
-#include <drm/drm_gem_framebuffer_helper.h>
+#include <drm/drm_gem_atomic_helper.h>
 #include <drm/drm_gem_cma_helper.h>
 
 #include "dcss-dev.h"
···
 }
 
 static int dcss_plane_atomic_check(struct drm_plane *plane,
-				   struct drm_plane_state *state)
+				   struct drm_atomic_state *state)
 {
+	struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
+										 plane);
 	struct dcss_plane *dcss_plane = to_dcss_plane(plane);
 	struct dcss_dev *dcss = plane->dev->dev_private;
-	struct drm_framebuffer *fb = state->fb;
+	struct drm_framebuffer *fb = new_plane_state->fb;
 	bool is_primary_plane = plane->type == DRM_PLANE_TYPE_PRIMARY;
 	struct drm_gem_cma_object *cma_obj;
 	struct drm_crtc_state *crtc_state;
···
 	int min, max;
 	int ret;
 
-	if (!fb || !state->crtc)
+	if (!fb || !new_plane_state->crtc)
 		return 0;
 
 	cma_obj = drm_fb_cma_get_gem_obj(fb, 0);
 	WARN_ON(!cma_obj);
 
-	crtc_state = drm_atomic_get_existing_crtc_state(state->state,
-							state->crtc);
+	crtc_state = drm_atomic_get_existing_crtc_state(state,
+							new_plane_state->crtc);
 
 	hdisplay = crtc_state->adjusted_mode.hdisplay;
 	vdisplay = crtc_state->adjusted_mode.vdisplay;
 
-	if (!dcss_plane_is_source_size_allowed(state->src_w >> 16,
-					       state->src_h >> 16,
+	if (!dcss_plane_is_source_size_allowed(new_plane_state->src_w >> 16,
+					       new_plane_state->src_h >> 16,
 					       fb->format->format)) {
 		DRM_DEBUG_KMS("Source plane size is not allowed!\n");
 		return -EINVAL;
···
 	dcss_scaler_get_min_max_ratios(dcss->scaler, dcss_plane->ch_num,
 				       &min, &max);
 
-	ret = drm_atomic_helper_check_plane_state(state, crtc_state,
+	ret = drm_atomic_helper_check_plane_state(new_plane_state, crtc_state,
 						  min, max, !is_primary_plane,
 						  false);
 	if (ret)
 		return ret;
 
-	if (!state->visible)
+	if (!new_plane_state->visible)
 		return 0;
 
 	if (!dcss_plane_can_rotate(fb->format,
 				   !!(fb->flags & DRM_MODE_FB_MODIFIERS),
 				   fb->modifier,
-				   state->rotation)) {
+				   new_plane_state->rotation)) {
 		DRM_DEBUG_KMS("requested rotation is not allowed!\n");
 		return -EINVAL;
 	}
 
-	if ((state->crtc_x < 0 || state->crtc_y < 0 ||
-	     state->crtc_x + state->crtc_w > hdisplay ||
-	     state->crtc_y + state->crtc_h > vdisplay) &&
+	if ((new_plane_state->crtc_x < 0 || new_plane_state->crtc_y < 0 ||
+	     new_plane_state->crtc_x + new_plane_state->crtc_w > hdisplay ||
+	     new_plane_state->crtc_y + new_plane_state->crtc_h > vdisplay) &&
 	    !dcss_plane_fb_is_linear(fb)) {
 		DRM_DEBUG_KMS("requested cropping operation is not allowed!\n");
 		return -EINVAL;
···
 }
 
 static void dcss_plane_atomic_update(struct drm_plane *plane,
-				     struct drm_plane_state *old_state)
+				     struct drm_atomic_state *state)
 {
-	struct drm_plane_state *state = plane->state;
+	struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state,
+									   plane);
+	struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
+									   plane);
 	struct dcss_plane *dcss_plane = to_dcss_plane(plane);
 	struct dcss_dev *dcss = plane->dev->dev_private;
-	struct drm_framebuffer *fb = state->fb;
+	struct drm_framebuffer *fb = new_state->fb;
 	struct drm_crtc_state *crtc_state;
 	bool modifiers_present;
 	u32 src_w, src_h, dst_w, dst_h;
···
 	bool enable = true;
 	bool is_rotation_90_or_270;
 
-	if (!fb || !state->crtc || !state->visible)
+	if (!fb || !new_state->crtc || !new_state->visible)
 		return;
 
-	crtc_state = state->crtc->state;
+	crtc_state = new_state->crtc->state;
 	modifiers_present = !!(fb->flags & DRM_MODE_FB_MODIFIERS);
 
 	if (old_state->fb && !drm_atomic_crtc_needs_modeset(crtc_state) &&
-	    !dcss_plane_needs_setup(state, old_state)) {
+	    !dcss_plane_needs_setup(new_state, old_state)) {
 		dcss_plane_atomic_set_base(dcss_plane);
 		return;
 	}
···
 	    modifiers_present && fb->modifier == DRM_FORMAT_MOD_LINEAR)
 		modifiers_present = false;
 
-	dcss_dpr_format_set(dcss->dpr, dcss_plane->ch_num, state->fb->format,
+	dcss_dpr_format_set(dcss->dpr, dcss_plane->ch_num,
+			    new_state->fb->format,
 			    modifiers_present ? fb->modifier :
 						DRM_FORMAT_MOD_LINEAR);
 	dcss_dpr_set_res(dcss->dpr, dcss_plane->ch_num, src_w, src_h);
 	dcss_dpr_set_rotation(dcss->dpr, dcss_plane->ch_num,
-			      state->rotation);
+			      new_state->rotation);
 
 	dcss_plane_atomic_set_base(dcss_plane);
 
-	is_rotation_90_or_270 = state->rotation & (DRM_MODE_ROTATE_90 |
+	is_rotation_90_or_270 = new_state->rotation & (DRM_MODE_ROTATE_90 |
 						   DRM_MODE_ROTATE_270);
 
 	dcss_scaler_set_filter(dcss->scaler, dcss_plane->ch_num,
-			       state->scaling_filter);
+			       new_state->scaling_filter);
 
 	dcss_scaler_setup(dcss->scaler, dcss_plane->ch_num,
-			  state->fb->format,
+			  new_state->fb->format,
 			  is_rotation_90_or_270 ? src_h : src_w,
 			  is_rotation_90_or_270 ? src_w : src_h,
 			  dst_w, dst_h,
···
 	dcss_dtg_plane_pos_set(dcss->dtg, dcss_plane->ch_num,
 			       dst.x1, dst.y1, dst_w, dst_h);
 	dcss_dtg_plane_alpha_set(dcss->dtg, dcss_plane->ch_num,
-				 fb->format, state->alpha >> 8);
+				 fb->format, new_state->alpha >> 8);
 
-	if (!dcss_plane->ch_num && (state->alpha >> 8) == 0)
+	if (!dcss_plane->ch_num && (new_state->alpha >> 8) == 0)
 		enable = false;
 
 	dcss_dpr_enable(dcss->dpr, dcss_plane->ch_num, enable);
···
 }
 
 static void dcss_plane_atomic_disable(struct drm_plane *plane,
-				      struct drm_plane_state *old_state)
+				      struct drm_atomic_state *state)
 {
 	struct dcss_plane *dcss_plane = to_dcss_plane(plane);
 	struct dcss_dev *dcss = plane->dev->dev_private;
···
 }
 
 static const struct drm_plane_helper_funcs dcss_plane_helper_funcs = {
-	.prepare_fb = drm_gem_fb_prepare_fb,
+	.prepare_fb = drm_gem_plane_helper_prepare_fb,
 	.atomic_check = dcss_plane_atomic_check,
 	.atomic_update = dcss_plane_atomic_update,
 	.atomic_disable = dcss_plane_atomic_disable,

drivers/gpu/drm/imx/ipuv3-plane.c

···
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_fb_cma_helper.h>
 #include <drm/drm_fourcc.h>
+#include <drm/drm_gem_atomic_helper.h>
 #include <drm/drm_gem_cma_helper.h>
-#include <drm/drm_gem_framebuffer_helper.h>
 #include <drm/drm_managed.h>
 #include <drm/drm_plane_helper.h>
 
···
 };
 
 static int ipu_plane_atomic_check(struct drm_plane *plane,
-				  struct drm_plane_state *state)
+				  struct drm_atomic_state *state)
 {
-	struct drm_plane_state *old_state = plane->state;
+	struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
+									   plane);
+	struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state,
+									   plane);
 	struct drm_crtc_state *crtc_state;
 	struct device *dev = plane->dev->dev;
-	struct drm_framebuffer *fb = state->fb;
+	struct drm_framebuffer *fb = new_state->fb;
 	struct drm_framebuffer *old_fb = old_state->fb;
 	unsigned long eba, ubo, vbo, old_ubo, old_vbo, alpha_eba;
 	bool can_position = (plane->type == DRM_PLANE_TYPE_OVERLAY);
···
 	if (!fb)
 		return 0;
 
-	if (WARN_ON(!state->crtc))
+	if (WARN_ON(!new_state->crtc))
 		return -EINVAL;
 
 	crtc_state =
-		drm_atomic_get_existing_crtc_state(state->state, state->crtc);
+		drm_atomic_get_existing_crtc_state(state,
+						   new_state->crtc);
 	if (WARN_ON(!crtc_state))
 		return -EINVAL;
 
-	ret = drm_atomic_helper_check_plane_state(state, crtc_state,
+	ret = drm_atomic_helper_check_plane_state(new_state, crtc_state,
 						  DRM_PLANE_HELPER_NO_SCALING,
 						  DRM_PLANE_HELPER_NO_SCALING,
 						  can_position, true);
···
 	switch (plane->type) {
 	case DRM_PLANE_TYPE_PRIMARY:
 		/* full plane minimum width is 13 pixels */
-		if (drm_rect_width(&state->dst) < 13)
+		if (drm_rect_width(&new_state->dst) < 13)
 			return -EINVAL;
 		break;
 	case DRM_PLANE_TYPE_OVERLAY:
···
 		return -EINVAL;
 	}
 
-	if (drm_rect_height(&state->dst) < 2)
+	if (drm_rect_height(&new_state->dst) < 2)
 		return -EINVAL;
 
 	/*
···
 	 * callback.
 	 */
 	if (old_fb &&
-	    (drm_rect_width(&state->dst) != drm_rect_width(&old_state->dst) ||
-	     drm_rect_height(&state->dst) != drm_rect_height(&old_state->dst) ||
+	    (drm_rect_width(&new_state->dst) != drm_rect_width(&old_state->dst) ||
+	     drm_rect_height(&new_state->dst) != drm_rect_height(&old_state->dst) ||
 	     fb->format != old_fb->format))
 		crtc_state->mode_changed = true;
 
-	eba = drm_plane_state_to_eba(state, 0);
+	eba = drm_plane_state_to_eba(new_state, 0);
 
 	if (eba & 0x7)
 		return -EINVAL;
···
 		 * - Only EBA may be changed while scanout is active
 		 * - The strides of U and V planes must be identical.
 		 */
-		vbo = drm_plane_state_to_vbo(state);
+		vbo = drm_plane_state_to_vbo(new_state);
 
 		if (vbo & 0x7 || vbo > 0xfffff8)
 			return -EINVAL;
···
 		fallthrough;
 	case DRM_FORMAT_NV12:
 	case DRM_FORMAT_NV16:
-		ubo = drm_plane_state_to_ubo(state);
+		ubo = drm_plane_state_to_ubo(new_state);
 
 		if (ubo & 0x7 || ubo > 0xfffff8)
 			return -EINVAL;
···
 		 * The x/y offsets must be even in case of horizontal/vertical
 		 * chroma subsampling.
 		 */
-		if (((state->src.x1 >> 16) & (fb->format->hsub - 1)) ||
-		    ((state->src.y1 >> 16) & (fb->format->vsub - 1)))
+		if (((new_state->src.x1 >> 16) & (fb->format->hsub - 1)) ||
+		    ((new_state->src.y1 >> 16) & (fb->format->vsub - 1)))
 			return -EINVAL;
 		break;
 	case DRM_FORMAT_RGB565_A8:
···
 	case DRM_FORMAT_BGR888_A8:
 	case DRM_FORMAT_RGBX8888_A8:
 	case DRM_FORMAT_BGRX8888_A8:
-		alpha_eba = drm_plane_state_to_eba(state, 1);
+		alpha_eba = drm_plane_state_to_eba(new_state, 1);
 		if (alpha_eba & 0x7)
 			return -EINVAL;
 
···
 }
 
 static void ipu_plane_atomic_disable(struct drm_plane *plane,
-				     struct drm_plane_state *old_state)
+				     struct drm_atomic_state *state)
 {
 	struct ipu_plane *ipu_plane = to_ipu_plane(plane);
 
···
 }
 
 static void ipu_plane_atomic_update(struct drm_plane *plane,
-				    struct drm_plane_state *old_state)
+				    struct drm_atomic_state *state)
 {
+	struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state,
+									   plane);
 	struct ipu_plane *ipu_plane = to_ipu_plane(plane);
-	struct drm_plane_state *state = plane->state;
-	struct ipu_plane_state *ipu_state = to_ipu_plane_state(state);
-	struct drm_crtc_state *crtc_state = state->crtc->state;
-	struct drm_framebuffer *fb = state->fb;
-	struct drm_rect *dst = &state->dst;
+	struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
+									   plane);
+	struct ipu_plane_state *ipu_state = to_ipu_plane_state(new_state);
+	struct drm_crtc_state *crtc_state = new_state->crtc->state;
+	struct drm_framebuffer *fb = new_state->fb;
+	struct drm_rect *dst = &new_state->dst;
 	unsigned long eba, ubo, vbo;
 	unsigned long alpha_eba = 0;
 	enum ipu_color_space ics;
···
 
 	switch (ipu_plane->dp_flow) {
 	case IPU_DP_FLOW_SYNC_BG:
-		if (state->normalized_zpos == 1) {
+		if (new_state->normalized_zpos == 1) {
 			ipu_dp_set_global_alpha(ipu_plane->dp,
 						!fb->format->has_alpha, 0xff,
 						true);
···
 		}
 		break;
 	case IPU_DP_FLOW_SYNC_FG:
-		if (state->normalized_zpos == 1) {
+		if (new_state->normalized_zpos == 1) {
 			ipu_dp_set_global_alpha(ipu_plane->dp,
 						!fb->format->has_alpha, 0xff,
 						false);
···
 		break;
 	}
 
-	eba = drm_plane_state_to_eba(state, 0);
+	eba = drm_plane_state_to_eba(new_state, 0);
 
 	/*
 	 * Configure PRG channel and attached PRE, this changes the EBA to an
···
 	if (ipu_state->use_pre) {
 		axi_id = ipu_chan_assign_axi_id(ipu_plane->dma);
 		ipu_prg_channel_configure(ipu_plane->ipu_ch, axi_id,
-					  drm_rect_width(&state->src) >> 16,
-					  drm_rect_height(&state->src) >> 16,
+					  drm_rect_width(&new_state->src) >> 16,
+					  drm_rect_height(&new_state->src) >> 16,
 					  fb->pitches[0], fb->format->format,
 					  fb->modifier, &eba);
 	}
···
 
 	ipu_dmfc_config_wait4eot(ipu_plane->dmfc, drm_rect_width(dst));
 
-	width = drm_rect_width(&state->src) >> 16;
-	height = drm_rect_height(&state->src) >> 16;
+	width = drm_rect_width(&new_state->src) >> 16;
+	height = drm_rect_height(&new_state->src) >> 16;
 	info = drm_format_info(fb->format->format);
 	ipu_calculate_bursts(width, info->cpp[0], fb->pitches[0],
 			     &burstsize, &num_bursts);
···
 	case DRM_FORMAT_YVU422:
 	case DRM_FORMAT_YUV444:
 	case DRM_FORMAT_YVU444:
-		ubo = drm_plane_state_to_ubo(state);
-		vbo = drm_plane_state_to_vbo(state);
+		ubo = drm_plane_state_to_ubo(new_state);
+		vbo = drm_plane_state_to_vbo(new_state);
 		if (fb->format->format == DRM_FORMAT_YVU420 ||
 		    fb->format->format == DRM_FORMAT_YVU422 ||
 		    fb->format->format == DRM_FORMAT_YVU444)
···
 
 		dev_dbg(ipu_plane->base.dev->dev,
 			"phy = %lu %lu %lu, x = %d, y = %d", eba, ubo, vbo,
-			state->src.x1 >> 16, state->src.y1 >> 16);
+			new_state->src.x1 >> 16, new_state->src.y1 >> 16);
 		break;
 	case DRM_FORMAT_NV12:
 	case DRM_FORMAT_NV16:
-		ubo = drm_plane_state_to_ubo(state);
+		ubo = drm_plane_state_to_ubo(new_state);
 
 		ipu_cpmem_set_yuv_planar_full(ipu_plane->ipu_ch,
 					      fb->pitches[1], ubo, ubo);
 
 		dev_dbg(ipu_plane->base.dev->dev,
 			"phy = %lu %lu, x = %d, y = %d", eba, ubo,
-			state->src.x1 >> 16, state->src.y1 >> 16);
+			new_state->src.x1 >> 16, new_state->src.y1 >> 16);
 		break;
 	case DRM_FORMAT_RGB565_A8:
 	case DRM_FORMAT_BGR565_A8:
···
 	case DRM_FORMAT_BGR888_A8:
 	case DRM_FORMAT_RGBX8888_A8:
 	case DRM_FORMAT_BGRX8888_A8:
-		alpha_eba = drm_plane_state_to_eba(state, 1);
+		alpha_eba = drm_plane_state_to_eba(new_state, 1);
 		num_bursts = 0;
 
 		dev_dbg(ipu_plane->base.dev->dev, "phys = %lu %lu, x = %d, y = %d",
-			eba, alpha_eba, state->src.x1 >> 16, state->src.y1 >> 16);
+			eba, alpha_eba, new_state->src.x1 >> 16,
+			new_state->src.y1 >> 16);
 
 		ipu_cpmem_set_burstsize(ipu_plane->ipu_ch, 16);
 
 		ipu_cpmem_zero(ipu_plane->alpha_ch);
 		ipu_cpmem_set_resolution(ipu_plane->alpha_ch,
-					 drm_rect_width(&state->src) >> 16,
-					 drm_rect_height(&state->src) >> 16);
+					 drm_rect_width(&new_state->src) >> 16,
+					 drm_rect_height(&new_state->src) >> 16);
 		ipu_cpmem_set_format_passthrough(ipu_plane->alpha_ch, 8);
 		ipu_cpmem_set_high_priority(ipu_plane->alpha_ch);
 		ipu_idmac_set_double_buffer(ipu_plane->alpha_ch, 1);
···
 		break;
 	default:
 		dev_dbg(ipu_plane->base.dev->dev, "phys = %lu, x = %d, y = %d",
-			eba, state->src.x1 >> 16, state->src.y1 >> 16);
+			eba, new_state->src.x1 >> 16, new_state->src.y1 >> 16);
 		break;
 	}
 	ipu_cpmem_set_buffer(ipu_plane->ipu_ch, 0, eba);
···
 }
 
 static const struct drm_plane_helper_funcs ipu_plane_helper_funcs = {
-	.prepare_fb = drm_gem_fb_prepare_fb,
+	.prepare_fb = drm_gem_plane_helper_prepare_fb,
 	.atomic_check = ipu_plane_atomic_check,
 	.atomic_disable = ipu_plane_atomic_disable,
 	.atomic_update = ipu_plane_atomic_update,

drivers/gpu/drm/ingenic/ingenic-drm-drv.c

···
 #include <drm/drm_fb_cma_helper.h>
 #include <drm/drm_fb_helper.h>
 #include <drm/drm_fourcc.h>
+#include <drm/drm_gem_atomic_helper.h>
 #include <drm/drm_gem_framebuffer_helper.h>
 #include <drm/drm_irq.h>
 #include <drm/drm_managed.h>
···
 }
 
 static int ingenic_drm_plane_atomic_check(struct drm_plane *plane,
-					  struct drm_plane_state *state)
+					  struct drm_atomic_state *state)
 {
+	struct drm_plane_state *old_plane_state = drm_atomic_get_old_plane_state(state,
+										 plane);
+	struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
+										 plane);
 	struct ingenic_drm *priv = drm_device_get_priv(plane->dev);
 	struct drm_crtc_state *crtc_state;
-	struct drm_crtc *crtc = state->crtc ?: plane->state->crtc;
+	struct drm_crtc *crtc = new_plane_state->crtc ?: old_plane_state->crtc;
 	int ret;
 
 	if (!crtc)
 		return 0;
 
-	crtc_state = drm_atomic_get_existing_crtc_state(state->state, crtc);
+	crtc_state = drm_atomic_get_existing_crtc_state(state,
+							crtc);
 	if (WARN_ON(!crtc_state))
 		return -EINVAL;
 
-	ret = drm_atomic_helper_check_plane_state(state, crtc_state,
+	ret = drm_atomic_helper_check_plane_state(new_plane_state, crtc_state,
 						  DRM_PLANE_HELPER_NO_SCALING,
 						  DRM_PLANE_HELPER_NO_SCALING,
 						  priv->soc_info->has_osd,
···
 	 * Note that state->src_* are in 16.16 fixed-point format.
 	 */
 	if (!priv->soc_info->has_osd &&
-	    (state->src_x != 0 ||
-	     (state->src_w >> 16) != state->crtc_w ||
-	     (state->src_h >> 16) != state->crtc_h))
+	    (new_plane_state->src_x != 0 ||
+	     (new_plane_state->src_w >> 16) != new_plane_state->crtc_w ||
+	     (new_plane_state->src_h >> 16) != new_plane_state->crtc_h))
 		return -EINVAL;
 
 	/*
···
 	 * its position, size or depth.
 	 */
 	if (priv->soc_info->has_osd &&
-	    (!plane->state->fb || !state->fb ||
-	     plane->state->crtc_x != state->crtc_x ||
-	     plane->state->crtc_y != state->crtc_y ||
-	     plane->state->crtc_w != state->crtc_w ||
-	     plane->state->crtc_h != state->crtc_h ||
-	     plane->state->fb->format->format != state->fb->format->format))
+	    (!old_plane_state->fb || !new_plane_state->fb ||
+	     old_plane_state->crtc_x != new_plane_state->crtc_x ||
+	     old_plane_state->crtc_y != new_plane_state->crtc_y ||
+	     old_plane_state->crtc_w != new_plane_state->crtc_w ||
+	     old_plane_state->crtc_h != new_plane_state->crtc_h ||
+	     old_plane_state->fb->format->format != new_plane_state->fb->format->format))
 		crtc_state->mode_changed = true;
 
 	return 0;
···
 }
 
 static void ingenic_drm_plane_atomic_disable(struct drm_plane *plane,
-					     struct drm_plane_state *old_state)
+					     struct drm_atomic_state *state)
 {
 	struct ingenic_drm *priv = drm_device_get_priv(plane->dev);
 
···
 }
 
 static void ingenic_drm_plane_atomic_update(struct drm_plane *plane,
-					    struct drm_plane_state *oldstate)
+					    struct drm_atomic_state *state)
 {
 	struct ingenic_drm *priv = drm_device_get_priv(plane->dev);
-	struct drm_plane_state *state = plane->state;
+	struct drm_plane_state *newstate = drm_atomic_get_new_plane_state(state,
+									  plane);
 	struct drm_crtc_state *crtc_state;
 	struct ingenic_dma_hwdesc *hwdesc;
 	unsigned int width, height, cpp, offset;
 	dma_addr_t addr;
 	u32 fourcc;
 
-	if (state && state->fb) {
-		crtc_state = state->crtc->state;
+	if (newstate && newstate->fb) {
+		crtc_state = newstate->crtc->state;
 
-		addr = drm_fb_cma_get_gem_addr(state->fb, state, 0);
-		width = state->src_w >> 16;
-		height = state->src_h >> 16;
-		cpp = state->fb->format->cpp[0];
+		addr = drm_fb_cma_get_gem_addr(newstate->fb, newstate, 0);
+		width = newstate->src_w >> 16;
+		height = newstate->src_h >> 16;
+		cpp = newstate->fb->format->cpp[0];
 
 		if (priv->soc_info->has_osd && plane->type == DRM_PLANE_TYPE_OVERLAY)
 			hwdesc = &priv->dma_hwdescs->hwdesc_f0;
···
 		hwdesc->cmd = JZ_LCD_CMD_EOF_IRQ | (width * height * cpp / 4);
 
 		if (drm_atomic_crtc_needs_modeset(crtc_state)) {
-			fourcc = state->fb->format->format;
+			fourcc = newstate->fb->format->format;
 
 			ingenic_drm_plane_config(priv->dev, plane, fourcc);
 
···
 	.atomic_update		= ingenic_drm_plane_atomic_update,
 	.atomic_check		= ingenic_drm_plane_atomic_check,
 	.atomic_disable		= ingenic_drm_plane_atomic_disable,
-	.prepare_fb		= drm_gem_fb_prepare_fb,
+	.prepare_fb		= drm_gem_plane_helper_prepare_fb,
 };
 
 static const struct drm_crtc_helper_funcs ingenic_drm_crtc_helper_funcs = {

drivers/gpu/drm/ingenic/ingenic-ipu.c

···
 #include <drm/drm_drv.h>
 #include <drm/drm_fb_cma_helper.h>
 #include <drm/drm_fourcc.h>
-#include <drm/drm_gem_framebuffer_helper.h>
+#include <drm/drm_gem_atomic_helper.h>
 #include <drm/drm_plane.h>
 #include <drm/drm_plane_helper.h>
 #include <drm/drm_property.h>
···
 }
 
 static void ingenic_ipu_plane_atomic_update(struct drm_plane *plane,
-					    struct drm_plane_state *oldstate)
+					    struct drm_atomic_state *state)
 {
 	struct ingenic_ipu *ipu = plane_to_ingenic_ipu(plane);
-	struct drm_plane_state *state = plane->state;
+	struct drm_plane_state *newstate = drm_atomic_get_new_plane_state(state,
+									  plane);
 	const struct drm_format_info *finfo;
 	u32 ctrl, stride = 0, coef_index = 0, format = 0;
 	bool needs_modeset, upscaling_w, upscaling_h;
 	int err;
 
-	if (!state || !state->fb)
+	if (!newstate || !newstate->fb)
 		return;
 
-	finfo = drm_format_info(state->fb->format->format);
+	finfo = drm_format_info(newstate->fb->format->format);
 
 	if (!ipu->clk_enabled) {
 		err = clk_enable(ipu->clk);
···
 	}
 
 	/* Reset all the registers if needed */
-	needs_modeset = drm_atomic_crtc_needs_modeset(state->crtc->state);
+	needs_modeset = drm_atomic_crtc_needs_modeset(newstate->crtc->state);
 	if (needs_modeset) {
 		regmap_set_bits(ipu->map, JZ_REG_IPU_CTRL, JZ_IPU_CTRL_RST);
 
···
 	}
 
 	/* New addresses will be committed in vblank handler... */
-	ipu->addr_y = drm_fb_cma_get_gem_addr(state->fb, state, 0);
+	ipu->addr_y = drm_fb_cma_get_gem_addr(newstate->fb, newstate, 0);
 	if (finfo->num_planes > 1)
-		ipu->addr_u = drm_fb_cma_get_gem_addr(state->fb, state, 1);
+		ipu->addr_u = drm_fb_cma_get_gem_addr(newstate->fb, newstate,
+						      1);
 	if (finfo->num_planes > 2)
-		ipu->addr_v = drm_fb_cma_get_gem_addr(state->fb, state, 2);
+		ipu->addr_v = drm_fb_cma_get_gem_addr(newstate->fb, newstate,
+						      2);
 
 	if (!needs_modeset)
 		return;
···
 
 	/* Set the input height/width/strides */
 	if (finfo->num_planes > 2)
-		stride = ((state->src_w >> 16) * finfo->cpp[2] / finfo->hsub)
+		stride = ((newstate->src_w >> 16) * finfo->cpp[2] / finfo->hsub)
 			<< JZ_IPU_UV_STRIDE_V_LSB;
 
 	if (finfo->num_planes > 1)
-		stride |= ((state->src_w >> 16) * finfo->cpp[1] / finfo->hsub)
+		stride |= ((newstate->src_w >> 16) * finfo->cpp[1] / finfo->hsub)
 			<< JZ_IPU_UV_STRIDE_U_LSB;
 
 	regmap_write(ipu->map, JZ_REG_IPU_UV_STRIDE, stride);
 
-	stride = ((state->src_w >> 16) * finfo->cpp[0]) << JZ_IPU_Y_STRIDE_Y_LSB;
+	stride = ((newstate->src_w >> 16) * finfo->cpp[0]) << JZ_IPU_Y_STRIDE_Y_LSB;
 	regmap_write(ipu->map, JZ_REG_IPU_Y_STRIDE, stride);
 
 	regmap_write(ipu->map, JZ_REG_IPU_IN_GS,
 		     (stride << JZ_IPU_IN_GS_W_LSB) |
-		     ((state->src_h >> 16) << JZ_IPU_IN_GS_H_LSB));
+		     ((newstate->src_h >> 16) << JZ_IPU_IN_GS_H_LSB));
 
 	switch (finfo->format) {
 	case DRM_FORMAT_XRGB1555:
···
 
 	/* Set the output height/width/stride */
 	regmap_write(ipu->map, JZ_REG_IPU_OUT_GS,
-		     ((state->crtc_w * 4) << JZ_IPU_OUT_GS_W_LSB)
-		     | state->crtc_h << JZ_IPU_OUT_GS_H_LSB);
-	regmap_write(ipu->map, JZ_REG_IPU_OUT_STRIDE, state->crtc_w * 4);
+		     ((newstate->crtc_w * 4) << JZ_IPU_OUT_GS_W_LSB)
+		     | newstate->crtc_h << JZ_IPU_OUT_GS_H_LSB);
+	regmap_write(ipu->map, JZ_REG_IPU_OUT_STRIDE, newstate->crtc_w * 4);
 
 	if (finfo->is_yuv) {
 		regmap_set_bits(ipu->map, JZ_REG_IPU_CTRL, JZ_IPU_CTRL_CSC_EN);
···
 			JZ_IPU_CTRL_RUN | JZ_IPU_CTRL_FM_IRQ_EN);
 
 	dev_dbg(ipu->dev, "Scaling %ux%u to %ux%u (%u:%u horiz, %u:%u vert)\n",
-		state->src_w >> 16, state->src_h >> 16,
-		state->crtc_w, state->crtc_h,
+		newstate->src_w >> 16, newstate->src_h >> 16,
+		newstate->crtc_w, newstate->crtc_h,
 		ipu->num_w, ipu->denom_w, ipu->num_h, ipu->denom_h);
 }
 
 static int ingenic_ipu_plane_atomic_check(struct drm_plane *plane,
-					  struct drm_plane_state *state)
+					  struct drm_atomic_state *state)
 {
+	struct drm_plane_state *old_plane_state = drm_atomic_get_old_plane_state(state,
+										 plane);
+	struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
+										 plane);
 	unsigned int num_w, denom_w, num_h, denom_h, xres, yres, max_w, max_h;
 	struct ingenic_ipu *ipu = plane_to_ingenic_ipu(plane);
-	struct drm_crtc *crtc = state->crtc ?: plane->state->crtc;
+	struct drm_crtc *crtc = new_plane_state->crtc ?: old_plane_state->crtc;
 	struct drm_crtc_state *crtc_state;
 
 	if (!crtc)
 		return 0;
 
-	crtc_state = drm_atomic_get_existing_crtc_state(state->state, crtc);
+	crtc_state = drm_atomic_get_existing_crtc_state(state, crtc);
 	if (WARN_ON(!crtc_state))
 		return -EINVAL;
 
 	/* Request a full modeset if we are enabling or disabling the IPU. */
-	if (!plane->state->crtc ^ !state->crtc)
+	if (!old_plane_state->crtc ^ !new_plane_state->crtc)
 		crtc_state->mode_changed = true;
 
-	if (!state->crtc ||
+	if (!new_plane_state->crtc ||
 	    !crtc_state->mode.hdisplay || !crtc_state->mode.vdisplay)
 		return 0;
 
 	/* Plane must be fully visible */
-	if (state->crtc_x < 0 || state->crtc_y < 0 ||
-	    state->crtc_x + state->crtc_w > crtc_state->mode.hdisplay ||
-	    state->crtc_y + state->crtc_h > crtc_state->mode.vdisplay)
+	if (new_plane_state->crtc_x < 0 || new_plane_state->crtc_y < 0 ||
+	    new_plane_state->crtc_x + new_plane_state->crtc_w > crtc_state->mode.hdisplay ||
+	    new_plane_state->crtc_y + new_plane_state->crtc_h > crtc_state->mode.vdisplay)
 		return -EINVAL;
 
 	/* Minimum size is 4x4 */
-	if ((state->src_w >> 16) < 4 || (state->src_h >> 16) < 4)
+	if ((new_plane_state->src_w >> 16) < 4 || (new_plane_state->src_h >> 16) < 4)
 		return -EINVAL;
 
 	/* Input and output lines must have an even number of pixels. */
-	if (((state->src_w >> 16) & 1) || (state->crtc_w & 1))
+	if (((new_plane_state->src_w >> 16) & 1) || (new_plane_state->crtc_w & 1))
 		return -EINVAL;
 
-	if (!osd_changed(state, plane->state))
+	if (!osd_changed(new_plane_state, old_plane_state))
 		return 0;
 
 	crtc_state->mode_changed = true;
 
-	xres = state->src_w >> 16;
-	yres = state->src_h >> 16;
+	xres = new_plane_state->src_w >> 16;
+	yres = new_plane_state->src_h >> 16;
 
 	/*
 	 * Increase the scaled image's theorical width/height until we find a
···
 	max_w = crtc_state->mode.hdisplay * 102 / 100;
 	max_h = crtc_state->mode.vdisplay * 102 / 100;
 
-	for (denom_w = xres, num_w = state->crtc_w; num_w <= max_w; num_w++)
+	for (denom_w = xres, num_w = new_plane_state->crtc_w; num_w <= max_w; num_w++)
 		if (!reduce_fraction(&num_w, &denom_w))
 			break;
 	if (num_w > max_w)
 		return -EINVAL;
 
-	for (denom_h = yres, num_h = state->crtc_h; num_h <= max_h; num_h++)
+	for (denom_h = yres, num_h = new_plane_state->crtc_h; num_h <= max_h; num_h++)
 		if (!reduce_fraction(&num_h, &denom_h))
 			break;
 	if (num_h > max_h)
···
 }
 
 static void ingenic_ipu_plane_atomic_disable(struct drm_plane *plane,
-					     struct drm_plane_state *old_state)
+					     struct drm_atomic_state *state)
 {
 	struct ingenic_ipu *ipu = plane_to_ingenic_ipu(plane);
 
···
 	.atomic_update		= ingenic_ipu_plane_atomic_update,
 	.atomic_check		= ingenic_ipu_plane_atomic_check,
 	.atomic_disable		= ingenic_ipu_plane_atomic_disable,
-	.prepare_fb		= drm_gem_fb_prepare_fb,
+	.prepare_fb		= drm_gem_plane_helper_prepare_fb,
 };
 
 static int

drivers/gpu/drm/kmb/kmb_plane.c

···
 }
 
 static int kmb_plane_atomic_check(struct drm_plane *plane,
-				  struct drm_plane_state *state)
+				  struct drm_atomic_state *state)
 {
+	struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
+										 plane);
 	struct drm_framebuffer *fb;
 	int ret;
 	struct drm_crtc_state *crtc_state;
 	bool can_position;
 
-	fb = state->fb;
-	if (!fb || !state->crtc)
+	fb = new_plane_state->fb;
+	if (!fb || !new_plane_state->crtc)
 		return 0;
 
 	ret = check_pixel_format(plane, fb->format->format);
 	if (ret)
 		return ret;
 
-	if (state->crtc_w > KMB_MAX_WIDTH || state->crtc_h > KMB_MAX_HEIGHT)
+	if (new_plane_state->crtc_w > KMB_MAX_WIDTH || new_plane_state->crtc_h > KMB_MAX_HEIGHT)
 		return -EINVAL;
-	if (state->crtc_w < KMB_MIN_WIDTH || state->crtc_h < KMB_MIN_HEIGHT)
+	if (new_plane_state->crtc_w < KMB_MIN_WIDTH || new_plane_state->crtc_h < KMB_MIN_HEIGHT)
 		return -EINVAL;
 	can_position = (plane->type == DRM_PLANE_TYPE_OVERLAY);
 	crtc_state =
-		drm_atomic_get_existing_crtc_state(state->state, state->crtc);
-	return drm_atomic_helper_check_plane_state(state, crtc_state,
-						 DRM_PLANE_HELPER_NO_SCALING,
-						 DRM_PLANE_HELPER_NO_SCALING,
-						 can_position, true);
+		drm_atomic_get_existing_crtc_state(state,
+						   new_plane_state->crtc);
+	return drm_atomic_helper_check_plane_state(new_plane_state,
+						   crtc_state,
+						   DRM_PLANE_HELPER_NO_SCALING,
+						   DRM_PLANE_HELPER_NO_SCALING,
+						   can_position, true);
 }
 
 static void kmb_plane_atomic_disable(struct drm_plane *plane,
-				     struct drm_plane_state *state)
+				     struct drm_atomic_state *state)
 {
 	struct kmb_plane *kmb_plane = to_kmb_plane(plane);
 	int plane_id = kmb_plane->id;
···
 }
 
 static void kmb_plane_atomic_update(struct drm_plane *plane,
-				    struct drm_plane_state *state)
+				    struct drm_atomic_state *state)
 {
+	struct drm_plane_state *old_plane_state = drm_atomic_get_old_plane_state(state,
+										 plane);
+	struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
+										 plane);
 	struct drm_framebuffer *fb;
 	struct kmb_drm_private *kmb;
 	unsigned int width;
···
 	int num_planes;
 	static dma_addr_t addr[MAX_SUB_PLANES];
 
-	if (!plane || !plane->state || !state)
+	if (!plane || !new_plane_state || !old_plane_state)
 		return;
 
-	fb = plane->state->fb;
+	fb = new_plane_state->fb;
 	if (!fb)
 		return;
 	num_planes = fb->format->num_planes;
···
 	}
 	spin_unlock_irq(&kmb->irq_lock);
 
-	src_w = (plane->state->src_w >> 16);
-	src_h = plane->state->src_h >> 16;
-	crtc_x = plane->state->crtc_x;
-	crtc_y = plane->state->crtc_y;
+	src_w = (new_plane_state->src_w >> 16);
+	src_h = new_plane_state->src_h >> 16;
+	crtc_x = new_plane_state->crtc_x;
+	crtc_y = new_plane_state->crtc_y;
 
 	drm_dbg(&kmb->drm,
 		"src_w=%d src_h=%d, fb->format->format=0x%x fb->flags=0x%x\n",
···
 	kmb_write_lcd(kmb, LCD_LAYERn_DMA_LINE_WIDTH(plane_id),
 		      (width * fb->format->cpp[0]));
 
-	addr[Y_PLANE] = drm_fb_cma_get_gem_addr(fb, plane->state, 0);
+	addr[Y_PLANE] = drm_fb_cma_get_gem_addr(fb, new_plane_state, 0);
 	kmb_write_lcd(kmb, LCD_LAYERn_DMA_START_ADDR(plane_id),
 		      addr[Y_PLANE] + fb->offsets[0]);
 	val = get_pixel_format(fb->format->format);
···
 		kmb_write_lcd(kmb, LCD_LAYERn_DMA_CB_LINE_WIDTH(plane_id),
 			      (width * fb->format->cpp[0]));
 
-		addr[U_PLANE] = drm_fb_cma_get_gem_addr(fb, plane->state,
+		addr[U_PLANE] = drm_fb_cma_get_gem_addr(fb, new_plane_state,
 							U_PLANE);
 		/* check if Cb/Cr is swapped*/
 		if (num_planes == 3 && (val & LCD_LAYER_CRCB_ORDER))
···
 				      ((width) * fb->format->cpp[0]));
 
 			addr[V_PLANE] = drm_fb_cma_get_gem_addr(fb,
-								plane->state,
+								new_plane_state,
 								V_PLANE);
 
 			/* check if Cb/Cr is swapped*/

drivers/gpu/drm/lima/lima_devfreq.c

···
 }
 
 static struct devfreq_dev_profile lima_devfreq_profile = {
+	.timer = DEVFREQ_TIMER_DELAYED,
 	.polling_ms = 50, /* ~3 frames */
 	.target = lima_devfreq_target,
 	.get_dev_status = lima_devfreq_get_dev_status,
···
 	lima_devfreq_profile.initial_freq = cur_freq;
 	dev_pm_opp_put(opp);
 
+	/*
+	 * Setup default thresholds for the simple_ondemand governor.
+	 * The values are chosen based on experiments.
+	 */
+	ldevfreq->gov_data.upthreshold = 30;
+	ldevfreq->gov_data.downdifferential = 5;
+
 	devfreq = devm_devfreq_add_device(dev, &lima_devfreq_profile,
-					  DEVFREQ_GOV_SIMPLE_ONDEMAND, NULL);
+					  DEVFREQ_GOV_SIMPLE_ONDEMAND,
+					  &ldevfreq->gov_data);
 	if (IS_ERR(devfreq)) {
 		dev_err(dev, "Couldn't initialize GPU devfreq\n");
 		ret = PTR_ERR(devfreq);

drivers/gpu/drm/lima/lima_devfreq.h

···
 #ifndef __LIMA_DEVFREQ_H__
 #define __LIMA_DEVFREQ_H__
 
+#include <linux/devfreq.h>
 #include <linux/spinlock.h>
 #include <linux/ktime.h>
 
···
 	struct opp_table *clkname_opp_table;
 	struct opp_table *regulators_opp_table;
 	struct thermal_cooling_device *cooling;
+	struct devfreq_simple_ondemand_data gov_data;
 
 	ktime_t busy_time;
 	ktime_t idle_time;

drivers/gpu/drm/lima/lima_sched.c

···
 	mutex_unlock(&dev->error_task_list_lock);
 }
 
-static void lima_sched_timedout_job(struct drm_sched_job *job)
+static enum drm_gpu_sched_stat lima_sched_timedout_job(struct drm_sched_job *job)
 {
 	struct lima_sched_pipe *pipe = to_lima_pipe(job->sched);
 	struct lima_sched_task *task = to_lima_task(job);
···
 
 	drm_sched_resubmit_jobs(&pipe->base);
 	drm_sched_start(&pipe->base, true);
+
+	return DRM_GPU_SCHED_STAT_NOMINAL;
 }
 
 static void lima_sched_free_job(struct drm_sched_job *job)
···
 
 	return drm_sched_init(&pipe->base, &lima_sched_ops, 1,
 			      lima_job_hang_limit, msecs_to_jiffies(timeout),
-			      name);
+			      NULL, name);
 }
 
 void lima_sched_pipe_fini(struct lima_sched_pipe *pipe)

drivers/gpu/drm/mcde/mcde_display.c

···
 #include <drm/drm_device.h>
 #include <drm/drm_fb_cma_helper.h>
 #include <drm/drm_fourcc.h>
+#include <drm/drm_gem_atomic_helper.h>
 #include <drm/drm_gem_cma_helper.h>
-#include <drm/drm_gem_framebuffer_helper.h>
 #include <drm/drm_mipi_dsi.h>
 #include <drm/drm_simple_kms_helper.h>
 #include <drm/drm_bridge.h>
···
 	int dsi_pkt_size;
 	int fifo_wtrmrk;
 	int cpp = fb->format->cpp[0];
-	struct drm_format_name_buf tmp;
 	u32 dsi_formatter_frame;
 	u32 val;
 	int ret;
···
 		return;
 	}
 
-	dev_info(drm->dev, "enable MCDE, %d x %d format %s\n",
-		 mode->hdisplay, mode->vdisplay,
-		 drm_get_format_name(format, &tmp));
+	dev_info(drm->dev, "enable MCDE, %d x %d format %p4cc\n",
+		 mode->hdisplay, mode->vdisplay, &format);
 
 
 	/* Clear any pending interrupts */
···
 	.update = mcde_display_update,
 	.enable_vblank = mcde_display_enable_vblank,
 	.disable_vblank = mcde_display_disable_vblank,
-	.prepare_fb = drm_gem_fb_simple_display_pipe_prepare_fb,
+	.prepare_fb = drm_gem_simple_display_pipe_prepare_fb,
 };
 
 int mcde_display_init(struct drm_device *drm)

drivers/gpu/drm/mediatek/mtk_drm_crtc.c

···
 }
 
 void mtk_drm_crtc_async_update(struct drm_crtc *crtc, struct drm_plane *plane,
-			       struct drm_plane_state *new_state)
+			       struct drm_atomic_state *state)
 {
 	struct mtk_drm_crtc *mtk_crtc = to_mtk_crtc(crtc);
 	const struct drm_plane_helper_funcs *plane_helper_funcs =
···
 	if (!mtk_crtc->enabled)
 		return;
 
-	plane_helper_funcs->atomic_update(plane, new_state);
+	plane_helper_funcs->atomic_update(plane, state);
 	mtk_drm_crtc_hw_config(mtk_crtc);
 }
 

drivers/gpu/drm/mediatek/mtk_drm_crtc.h

···
 int mtk_drm_crtc_plane_check(struct drm_crtc *crtc, struct drm_plane *plane,
 			     struct mtk_plane_state *state);
 void mtk_drm_crtc_async_update(struct drm_crtc *crtc, struct drm_plane *plane,
-			       struct drm_plane_state *plane_state);
+			       struct drm_atomic_state *plane_state);
 
 #endif /* MTK_DRM_CRTC_H */

drivers/gpu/drm/mediatek/mtk_drm_plane.c

···
 
 #include <drm/drm_atomic.h>
 #include <drm/drm_atomic_helper.h>
-#include <drm/drm_fourcc.h>
 #include <drm/drm_atomic_uapi.h>
+#include <drm/drm_fourcc.h>
+#include <drm/drm_gem_atomic_helper.h>
 #include <drm/drm_plane_helper.h>
-#include <drm/drm_gem_framebuffer_helper.h>
 
 #include "mtk_drm_crtc.h"
 #include "mtk_drm_ddp_comp.h"
···
 }
 
 static int mtk_plane_atomic_async_check(struct drm_plane *plane,
-					struct drm_plane_state *state)
+					struct drm_atomic_state *state)
 {
+	struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
+										 plane);
 	struct drm_crtc_state *crtc_state;
 	int ret;
 
-	if (plane != state->crtc->cursor)
+	if (plane != new_plane_state->crtc->cursor)
 		return -EINVAL;
 
 	if (!plane->state)
···
 	if (!plane->state->fb)
 		return -EINVAL;
 
-	ret = mtk_drm_crtc_plane_check(state->crtc, plane,
-				       to_mtk_plane_state(state));
+	ret = mtk_drm_crtc_plane_check(new_plane_state->crtc, plane,
+				       to_mtk_plane_state(new_plane_state));
 	if (ret)
 		return ret;
 
-	if (state->state)
-		crtc_state = drm_atomic_get_existing_crtc_state(state->state,
-								state->crtc);
+	if (state)
+		crtc_state = drm_atomic_get_existing_crtc_state(state,
+								new_plane_state->crtc);
 	else /* Special case for asynchronous cursor updates. */
-		crtc_state = state->crtc->state;
+		crtc_state = new_plane_state->crtc->state;
 
 	return drm_atomic_helper_check_plane_state(plane->state, crtc_state,
 						   DRM_PLANE_HELPER_NO_SCALING,
···
 }
 
 static void mtk_plane_atomic_async_update(struct drm_plane *plane,
-					  struct drm_plane_state *new_state)
+					  struct drm_atomic_state *state)
 {
-	struct mtk_plane_state *state = to_mtk_plane_state(plane->state);
+	struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
+									   plane);
+	struct mtk_plane_state *new_plane_state = to_mtk_plane_state(plane->state);
 
 	plane->state->crtc_x = new_state->crtc_x;
 	plane->state->crtc_y = new_state->crtc_y;
···
 	plane->state->src_h = new_state->src_h;
 	plane->state->src_w = new_state->src_w;
 	swap(plane->state->fb, new_state->fb);
-	state->pending.async_dirty = true;
+	new_plane_state->pending.async_dirty = true;
 
-	mtk_drm_crtc_async_update(new_state->crtc, plane, new_state);
+	mtk_drm_crtc_async_update(new_state->crtc, plane, state);
 }
 
 static const struct drm_plane_funcs mtk_plane_funcs = {
···
 };
 
 static int mtk_plane_atomic_check(struct drm_plane *plane,
-				  struct drm_plane_state *state)
+				  struct drm_atomic_state *state)
 {
-	struct drm_framebuffer *fb = state->fb;
+	struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
+										 plane);
+	struct drm_framebuffer *fb = new_plane_state->fb;
 	struct drm_crtc_state *crtc_state;
 	int ret;
 
 	if (!fb)
 		return 0;
 
-	if (WARN_ON(!state->crtc))
+	if (WARN_ON(!new_plane_state->crtc))
 		return 0;
 
-	ret = mtk_drm_crtc_plane_check(state->crtc, plane,
-				       to_mtk_plane_state(state));
+	ret = mtk_drm_crtc_plane_check(new_plane_state->crtc, plane,
+				       to_mtk_plane_state(new_plane_state));
 	if (ret)
 		return ret;
 
-	crtc_state = drm_atomic_get_crtc_state(state->state, state->crtc);
+	crtc_state = drm_atomic_get_crtc_state(state,
+					       new_plane_state->crtc);
 	if (IS_ERR(crtc_state))
 		return PTR_ERR(crtc_state);
 
-	return drm_atomic_helper_check_plane_state(state, crtc_state,
+	return drm_atomic_helper_check_plane_state(new_plane_state,
+						   crtc_state,
 						   DRM_PLANE_HELPER_NO_SCALING,
 						   DRM_PLANE_HELPER_NO_SCALING,
 						   true, true);
 }
 
 static void mtk_plane_atomic_disable(struct drm_plane *plane,
-				     struct drm_plane_state *old_state)
+				     struct drm_atomic_state *state)
 {
-	struct mtk_plane_state *state = to_mtk_plane_state(plane->state);
-
-	state->pending.enable = false;
+	struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
+									   plane);
+	struct mtk_plane_state *mtk_plane_state = to_mtk_plane_state(new_state);
+	mtk_plane_state->pending.enable = false;
 	wmb(); /* Make sure the above parameter is set before update */
-	state->pending.dirty = true;
+	mtk_plane_state->pending.dirty = true;
 }
 
 static void mtk_plane_atomic_update(struct drm_plane *plane,
-				    struct drm_plane_state *old_state)
+				    struct drm_atomic_state *state)
 {
-	struct mtk_plane_state *state = to_mtk_plane_state(plane->state);
-	struct drm_crtc *crtc = plane->state->crtc;
-	struct drm_framebuffer *fb = plane->state->fb;
+	struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
+									   plane);
+	struct mtk_plane_state *mtk_plane_state = to_mtk_plane_state(new_state);
+	struct drm_crtc *crtc = new_state->crtc;
+	struct drm_framebuffer *fb = new_state->fb;
 	struct drm_gem_object *gem;
 	struct mtk_drm_gem_obj *mtk_gem;
 	unsigned int pitch, format;
···
 	if (!crtc || WARN_ON(!fb))
 		return;
 
-	if (!plane->state->visible) {
-		mtk_plane_atomic_disable(plane, old_state);
+	if (!new_state->visible) {
+		mtk_plane_atomic_disable(plane, state);
 		return;
 	}
 
···
 	pitch = fb->pitches[0];
 	format = fb->format->format;
 
-	addr += (plane->state->src.x1 >> 16) * fb->format->cpp[0];
-	addr += (plane->state->src.y1 >> 16) * pitch;
+	addr += (new_state->src.x1 >> 16) * fb->format->cpp[0];
+	addr += (new_state->src.y1 >> 16) * pitch;
 
-	state->pending.enable = true;
-	state->pending.pitch = pitch;
-	state->pending.format = format;
-	state->pending.addr = addr;
-	state->pending.x = plane->state->dst.x1;
-	state->pending.y = plane->state->dst.y1;
-	state->pending.width = drm_rect_width(&plane->state->dst);
-	state->pending.height = drm_rect_height(&plane->state->dst);
-	state->pending.rotation = plane->state->rotation;
+	mtk_plane_state->pending.enable = true;
+	mtk_plane_state->pending.pitch = pitch;
+	mtk_plane_state->pending.format = format;
+	mtk_plane_state->pending.addr = addr;
+	mtk_plane_state->pending.x = new_state->dst.x1;
+	mtk_plane_state->pending.y = new_state->dst.y1;
+	mtk_plane_state->pending.width = drm_rect_width(&new_state->dst);
+	mtk_plane_state->pending.height = drm_rect_height(&new_state->dst);
+	mtk_plane_state->pending.rotation = new_state->rotation;
 	wmb(); /* Make sure the above parameters are set before update */
-	state->pending.dirty = true;
+	mtk_plane_state->pending.dirty = true;
 }
 
 static const struct drm_plane_helper_funcs mtk_plane_helper_funcs = {
-	.prepare_fb = drm_gem_fb_prepare_fb,
+	.prepare_fb = drm_gem_plane_helper_prepare_fb,
 	.atomic_check = mtk_plane_atomic_check,
 	.atomic_update = mtk_plane_atomic_update,
 	.atomic_disable = mtk_plane_atomic_disable,

drivers/gpu/drm/meson/meson_overlay.c

···
 #include <drm/drm_atomic.h>
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_device.h>
-#include <drm/drm_fourcc.h>
-#include <drm/drm_plane_helper.h>
-#include <drm/drm_gem_cma_helper.h>
 #include <drm/drm_fb_cma_helper.h>
-#include <drm/drm_gem_framebuffer_helper.h>
+#include <drm/drm_fourcc.h>
+#include <drm/drm_gem_atomic_helper.h>
+#include <drm/drm_gem_cma_helper.h>
+#include <drm/drm_plane_helper.h>
 
 #include "meson_overlay.h"
 #include "meson_registers.h"
···
 #define FRAC_16_16(mult, div)    (((mult) << 16) / (div))
 
 static int meson_overlay_atomic_check(struct drm_plane *plane,
-				      struct drm_plane_state *state)
+				      struct drm_atomic_state *state)
 {
+	struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
+										 plane);
 	struct drm_crtc_state *crtc_state;
 
-	if (!state->crtc)
+	if (!new_plane_state->crtc)
 		return 0;
 
-	crtc_state = drm_atomic_get_crtc_state(state->state, state->crtc);
+	crtc_state = drm_atomic_get_crtc_state(state,
+					       new_plane_state->crtc);
 	if (IS_ERR(crtc_state))
 		return PTR_ERR(crtc_state);
 
-	return drm_atomic_helper_check_plane_state(state, crtc_state,
+	return drm_atomic_helper_check_plane_state(new_plane_state,
+						   crtc_state,
 						   FRAC_16_16(1, 5),
 						   FRAC_16_16(5, 1),
 						   true, true);
···
 }
 
 static void meson_overlay_atomic_update(struct drm_plane *plane,
-					struct drm_plane_state *old_state)
+					struct drm_atomic_state *state)
 {
 	struct meson_overlay *meson_overlay = to_meson_overlay(plane);
-	struct drm_plane_state *state = plane->state;
-	struct drm_framebuffer *fb = state->fb;
+	struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
+									   plane);
+	struct drm_framebuffer *fb = new_state->fb;
 	struct meson_drm *priv = meson_overlay->priv;
 	struct drm_gem_cma_object *gem;
 	unsigned long flags;
···
 
 	DRM_DEBUG_DRIVER("\n");
 
-	interlace_mode = state->crtc->mode.flags & DRM_MODE_FLAG_INTERLACE;
+	interlace_mode = new_state->crtc->mode.flags & DRM_MODE_FLAG_INTERLACE;
 
 	spin_lock_irqsave(&priv->drm->event_lock, flags);
 
···
 }
 
 static void meson_overlay_atomic_disable(struct drm_plane *plane,
-				       struct drm_plane_state *old_state)
+				       struct drm_atomic_state *state)
 {
 	struct meson_overlay *meson_overlay = to_meson_overlay(plane);
 	struct meson_drm *priv = meson_overlay->priv;
···
 	.atomic_check	= meson_overlay_atomic_check,
 	.atomic_disable	= meson_overlay_atomic_disable,
 	.atomic_update	= meson_overlay_atomic_update,
-	.prepare_fb	= drm_gem_fb_prepare_fb,
+	.prepare_fb	= drm_gem_plane_helper_prepare_fb,
 };
 
 static bool meson_overlay_format_mod_supported(struct drm_plane *plane,

drivers/gpu/drm/meson/meson_plane.c

···
 #include <drm/drm_device.h>
 #include <drm/drm_fb_cma_helper.h>
 #include <drm/drm_fourcc.h>
+#include <drm/drm_gem_atomic_helper.h>
 #include <drm/drm_gem_cma_helper.h>
-#include <drm/drm_gem_framebuffer_helper.h>
 #include <drm/drm_plane_helper.h>
 
 #include "meson_plane.h"
···
 #define FRAC_16_16(mult, div)    (((mult) << 16) / (div))
 
 static int meson_plane_atomic_check(struct drm_plane *plane,
-				    struct drm_plane_state *state)
+				    struct drm_atomic_state *state)
 {
+	struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
+										 plane);
 	struct drm_crtc_state *crtc_state;
 
-	if (!state->crtc)
+	if (!new_plane_state->crtc)
 		return 0;
 
-	crtc_state = drm_atomic_get_crtc_state(state->state, state->crtc);
+	crtc_state = drm_atomic_get_crtc_state(state,
+					       new_plane_state->crtc);
 	if (IS_ERR(crtc_state))
 		return PTR_ERR(crtc_state);
 
···
 	 * - Upscaling up to 5x, vertical and horizontal
 	 * - Final coordinates must match crtc size
 	 */
-	return drm_atomic_helper_check_plane_state(state, crtc_state,
+	return drm_atomic_helper_check_plane_state(new_plane_state,
+						   crtc_state,
 						   FRAC_16_16(1, 5),
 						   DRM_PLANE_HELPER_NO_SCALING,
 						   false, true);
···
 }
 
 static void meson_plane_atomic_update(struct drm_plane *plane,
-				      struct drm_plane_state *old_state)
+				      struct drm_atomic_state *state)
 {
 	struct meson_plane *meson_plane = to_meson_plane(plane);
-	struct drm_plane_state *state = plane->state;
-	struct drm_rect dest = drm_plane_state_dest(state);
+	struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
+									   plane);
+	struct drm_rect dest = drm_plane_state_dest(new_state);
 	struct meson_drm *priv = meson_plane->priv;
-	struct drm_framebuffer *fb = state->fb;
+	struct drm_framebuffer *fb = new_state->fb;
 	struct drm_gem_cma_object *gem;
 	unsigned long flags;
 	int vsc_ini_rcv_num, vsc_ini_rpt_p0_num;
···
 	hf_bank_len = 4;
 	vf_bank_len = 4;
 
-	if (state->crtc->mode.flags & DRM_MODE_FLAG_INTERLACE) {
+	if (new_state->crtc->mode.flags & DRM_MODE_FLAG_INTERLACE) {
 		vsc_bot_rcv_num = 6;
 		vsc_bot_rpt_p0_num = 2;
 	}
···
 	hsc_ini_rpt_p0_num = (hf_bank_len / 2) - 1;
 	vsc_ini_rpt_p0_num = (vf_bank_len / 2) - 1;
 
-	src_w = fixed16_to_int(state->src_w);
-	src_h = fixed16_to_int(state->src_h);
-	dst_w = state->crtc_w;
-	dst_h = state->crtc_h;
+	src_w = fixed16_to_int(new_state->src_w);
+	src_h = fixed16_to_int(new_state->src_h);
+	dst_w = new_state->crtc_w;
+	dst_h = new_state->crtc_h;
 
 	/*
 	 * When the output is interlaced, the OSD must switch between
···
 	 * But the vertical scaler can provide such funtionnality if
 	 * is configured for 2:1 scaling with interlace options enabled.
 	 */
-	if (state->crtc->mode.flags & DRM_MODE_FLAG_INTERLACE) {
+	if (new_state->crtc->mode.flags & DRM_MODE_FLAG_INTERLACE) {
 		dest.y1 /= 2;
 		dest.y2 /= 2;
 		dst_h /= 2;
···
 	hf_phase_step = ((src_w << 18) / dst_w) << 6;
 	vf_phase_step = (src_h << 20) / dst_h;
 
-	if (state->crtc->mode.flags & DRM_MODE_FLAG_INTERLACE)
+	if (new_state->crtc->mode.flags & DRM_MODE_FLAG_INTERLACE)
 		bot_ini_phase = ((vf_phase_step / 2) >> 4);
 	else
 		bot_ini_phase = 0;
···
 					VSC_TOP_RPT_L0_NUM(vsc_ini_rpt_p0_num) |
 					VSC_VERTICAL_SCALER_EN;
 
-		if (state->crtc->mode.flags & DRM_MODE_FLAG_INTERLACE)
+		if (new_state->crtc->mode.flags & DRM_MODE_FLAG_INTERLACE)
 			priv->viu.osd_sc_v_ctrl0 |=
 					VSC_BOT_INI_RCV_NUM(vsc_bot_rcv_num) |
 					VSC_BOT_RPT_L0_NUM(vsc_bot_rpt_p0_num) |
···
 	 * e.g. +30x1920 would be (1919 << 16) | 30
 	 */
 	priv->viu.osd1_blk0_cfg[1] =
-				((fixed16_to_int(state->src.x2) - 1) << 16) |
-				fixed16_to_int(state->src.x1);
+				((fixed16_to_int(new_state->src.x2) - 1) << 16) |
+				fixed16_to_int(new_state->src.x1);
 	priv->viu.osd1_blk0_cfg[2] =
-				((fixed16_to_int(state->src.y2) - 1) << 16) |
-				fixed16_to_int(state->src.y1);
+				((fixed16_to_int(new_state->src.y2) - 1) << 16) |
+				fixed16_to_int(new_state->src.y1);
 	priv->viu.osd1_blk0_cfg[3] = ((dest.x2 - 1) << 16) | dest.x1;
 	priv->viu.osd1_blk0_cfg[4] = ((dest.y2 - 1) << 16) | dest.y1;
 
···
 }
 
 static void meson_plane_atomic_disable(struct drm_plane *plane,
-				       struct drm_plane_state *old_state)
+				       struct drm_atomic_state *state)
 {
 	struct meson_plane *meson_plane = to_meson_plane(plane);
 	struct meson_drm *priv = meson_plane->priv;
···
 	.atomic_check	= meson_plane_atomic_check,
 	.atomic_disable	= meson_plane_atomic_disable,
 	.atomic_update	= meson_plane_atomic_update,
-	.prepare_fb	= drm_gem_fb_prepare_fb,
+	.prepare_fb	= drm_gem_plane_helper_prepare_fb,
 };
 
 static bool meson_plane_format_mod_supported(struct drm_plane *plane,

drivers/gpu/drm/mgag200/mgag200_mode.c

···
 #include <drm/drm_damage_helper.h>
 #include <drm/drm_format_helper.h>
 #include <drm/drm_fourcc.h>
+#include <drm/drm_gem_atomic_helper.h>
 #include <drm/drm_gem_framebuffer_helper.h>
 #include <drm/drm_plane_helper.h>
 #include <drm/drm_print.h>
···
 
 static int mga_g200er_set_plls(struct mga_device *mdev, long clock)
 {
+	static const unsigned int m_div_val[] = { 1, 2, 4, 8 };
 	unsigned int vcomax, vcomin, pllreffreq;
 	unsigned int delta, tmpdelta;
 	int testr, testn, testm, testo;
 	unsigned int p, m, n;
 	unsigned int computed, vco;
 	int tmp;
-	const unsigned int m_div_val[] = { 1, 2, 4, 8 };
 
 	m = n = p = 0;
 	vcomax = 1488000;
···
 
 static void
 mgag200_handle_damage(struct mga_device *mdev, struct drm_framebuffer *fb,
-		      struct drm_rect *clip)
+		      struct drm_rect *clip, const struct dma_buf_map *map)
 {
-	struct drm_device *dev = &mdev->base;
-	struct dma_buf_map map;
-	void *vmap;
-	int ret;
-
-	ret = drm_gem_shmem_vmap(fb->obj[0], &map);
-	if (drm_WARN_ON(dev, ret))
-		return; /* BUG: SHMEM BO should always be vmapped */
-	vmap = map.vaddr; /* TODO: Use mapping abstraction properly */
+	void *vmap = map->vaddr; /* TODO: Use mapping abstraction properly */
 
 	drm_fb_memcpy_dstclip(mdev->vram, vmap, fb, clip);
-
-	drm_gem_shmem_vunmap(fb->obj[0], &map);
 
 	/* Always scanout image at VRAM offset 0 */
 	mgag200_set_startadd(mdev, (u32)0);
···
 	struct mga_device *mdev = to_mga_device(dev);
 	struct drm_display_mode *adjusted_mode = &crtc_state->adjusted_mode;
 	struct drm_framebuffer *fb = plane_state->fb;
+	struct drm_shadow_plane_state *shadow_plane_state = to_drm_shadow_plane_state(plane_state);
 	struct drm_rect fullscreen = {
 		.x1 = 0,
 		.x2 = fb->width,
···
 	mga_crtc_load_lut(crtc);
 	mgag200_enable_display(mdev);
 
-	mgag200_handle_damage(mdev, fb, &fullscreen);
+	mgag200_handle_damage(mdev, fb, &fullscreen, &shadow_plane_state->map[0]);
 }
 
 static void
···
 	struct drm_device *dev = plane->dev;
 	struct mga_device *mdev = to_mga_device(dev);
 	struct drm_plane_state *state = plane->state;
+	struct drm_shadow_plane_state *shadow_plane_state = to_drm_shadow_plane_state(state);
 	struct drm_framebuffer *fb = state->fb;
 	struct drm_rect damage;
 
···
 		return;
 
 	if (drm_atomic_helper_damage_merged(old_state, state, &damage))
-		mgag200_handle_damage(mdev, fb, &damage);
+		mgag200_handle_damage(mdev, fb, &damage, &shadow_plane_state->map[0]);
 }
 
 static const struct drm_simple_display_pipe_funcs
···
 	.disable    = mgag200_simple_display_pipe_disable,
 	.check	    = mgag200_simple_display_pipe_check,
 	.update	    = mgag200_simple_display_pipe_update,
-	.prepare_fb = drm_gem_fb_simple_display_pipe_prepare_fb,
+	DRM_GEM_SIMPLE_DISPLAY_PIPE_SHADOW_PLANE_FUNCS,
 };
 
 static const uint32_t mgag200_simple_display_pipe_formats[] = {

drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c

···
 {
 	struct dpu_hw_mixer *lm = mixer->hw_lm;
 	uint32_t blend_op;
-	struct drm_format_name_buf format_name;
 
 	/* default to opaque blending */
 	blend_op = DPU_BLEND_FG_ALPHA_FG_CONST |
···
 	lm->ops.setup_blend_config(lm, pstate->stage,
 				0xFF, 0, blend_op);
 
-	DPU_DEBUG("format:%s, alpha_en:%u blend_op:0x%x\n",
-		drm_get_format_name(format->base.pixel_format, &format_name),
-		format->alpha_enable, blend_op);
+	DPU_DEBUG("format:%p4cc, alpha_en:%u blend_op:0x%x\n",
+		  &format->base.pixel_format, format->alpha_enable, blend_op);
 }
 
 static void _dpu_crtc_program_lm_output_roi(struct drm_crtc *crtc)
···
 	 * of those planes explicitly here prior to plane flush.
 	 */
 	drm_atomic_crtc_for_each_plane(plane, crtc)
-		dpu_plane_restore(plane);
+		dpu_plane_restore(plane, state);
 
 	/* update performance setting before crtc kickoff */
 	dpu_core_perf_crtc_update(crtc, 1, false);

drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c

···
 #include <linux/debugfs.h>
 #include <linux/dma-buf.h>
 
+#include <drm/drm_atomic.h>
 #include <drm/drm_atomic_uapi.h>
 #include <drm/drm_damage_helper.h>
 #include <drm/drm_file.h>
-#include <drm/drm_gem_framebuffer_helper.h>
+#include <drm/drm_gem_atomic_helper.h>
 
 #include "msm_drv.h"
 #include "dpu_kms.h"
···
 	 *       we can use msm_atomic_prepare_fb() instead of doing the
 	 *       implicit fence and fb prepare by hand here.
 	 */
-	drm_gem_fb_prepare_fb(plane, new_state);
+	drm_gem_plane_helper_prepare_fb(plane, new_state);
 
 	if (pstate->aspace) {
 		ret = msm_framebuffer_prepare(new_state->fb,
···
 }
 
 static int dpu_plane_atomic_check(struct drm_plane *plane,
-				  struct drm_plane_state *state)
+				  struct drm_atomic_state *state)
 {
+	struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
+										 plane);
 	int ret = 0, min_scale;
 	struct dpu_plane *pdpu = to_dpu_plane(plane);
-	struct dpu_plane_state *pstate = to_dpu_plane_state(state);
+	struct dpu_plane_state *pstate = to_dpu_plane_state(new_plane_state);
 	const struct drm_crtc_state *crtc_state = NULL;
 	const struct dpu_format *fmt;
 	struct drm_rect src, dst, fb_rect = { 0 };
 	uint32_t min_src_size, max_linewidth;
 
-	if (state->crtc)
-		crtc_state = drm_atomic_get_new_crtc_state(state->state,
-							   state->crtc);
+	if (new_plane_state->crtc)
+		crtc_state = drm_atomic_get_new_crtc_state(state,
+							   new_plane_state->crtc);
 
 	min_scale = FRAC_16_16(1, pdpu->pipe_sblk->maxupscale);
-	ret = drm_atomic_helper_check_plane_state(state, crtc_state, min_scale,
-					  pdpu->pipe_sblk->maxdwnscale << 16,
-					  true, true);
+	ret = drm_atomic_helper_check_plane_state(new_plane_state, crtc_state,
+						  min_scale,
+						  pdpu->pipe_sblk->maxdwnscale << 16,
+						  true, true);
 	if (ret) {
 		DPU_DEBUG_PLANE(pdpu, "Check plane state failed (%d)\n", ret);
 		return ret;
 	}
-	if (!state->visible)
+	if (!new_plane_state->visible)
 		return 0;
 
-	src.x1 = state->src_x >> 16;
-	src.y1 = state->src_y >> 16;
-	src.x2 = src.x1 + (state->src_w >> 16);
-	src.y2 = src.y1 + (state->src_h >> 16);
+	src.x1 = new_plane_state->src_x >> 16;
+	src.y1 = new_plane_state->src_y >> 16;
+	src.x2 = src.x1 + (new_plane_state->src_w >> 16);
+	src.y2 = src.y1 + (new_plane_state->src_h >> 16);
 
-	dst = drm_plane_state_dest(state);
+	dst = drm_plane_state_dest(new_plane_state);
 
-	fb_rect.x2 = state->fb->width;
-	fb_rect.y2 = state->fb->height;
+	fb_rect.x2 = new_plane_state->fb->width;
+	fb_rect.y2 = new_plane_state->fb->height;
 
 	max_linewidth = pdpu->catalog->caps->max_linewidth;
 
-	fmt = to_dpu_format(msm_framebuffer_format(state->fb));
+	fmt = to_dpu_format(msm_framebuffer_format(new_plane_state->fb));
 
 	min_src_size = DPU_FORMAT_IS_YUV(fmt) ? 2 : 1;
 
···
 }
 
 static void dpu_plane_atomic_update(struct drm_plane *plane,
-				struct drm_plane_state *old_state)
+				struct drm_atomic_state *state)
 {
 	struct dpu_plane *pdpu = to_dpu_plane(plane);
-	struct drm_plane_state *state = plane->state;
+	struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
+									   plane);
 
 	pdpu->is_error = false;
 
 	DPU_DEBUG_PLANE(pdpu, "\n");
 
-	if (!state->visible) {
+	if (!new_state->visible) {
 		_dpu_plane_atomic_disable(plane);
 	} else {
 		dpu_plane_sspp_atomic_update(plane);
 	}
 }
 
-void dpu_plane_restore(struct drm_plane *plane)
+void dpu_plane_restore(struct drm_plane *plane, struct drm_atomic_state *state)
 {
 	struct dpu_plane *pdpu;
 
···
 
 	DPU_DEBUG_PLANE(pdpu, "\n");
 
-	/* last plane state is same as current state */
-	dpu_plane_atomic_update(plane, plane->state);
+	dpu_plane_atomic_update(plane, state);
 }
 
 static void dpu_plane_destroy(struct drm_plane *plane)

drivers/gpu/drm/msm/disp/dpu1/dpu_plane.h

···
  * dpu_plane_restore - restore hw state if previously power collapsed
  * @plane: Pointer to drm plane structure
  */
-void dpu_plane_restore(struct drm_plane *plane);
+void dpu_plane_restore(struct drm_plane *plane, struct drm_atomic_state *state);
 
 /**
  * dpu_plane_flush - final plane operations before commit flush

drivers/gpu/drm/msm/disp/mdp4/mdp4_plane.c

···
  * Author: Rob Clark <[e-mail]>
  */
 
+#include <drm/drm_atomic.h>
 #include <drm/drm_damage_helper.h>
 #include <drm/drm_fourcc.h>
 
···
 
 
 static int mdp4_plane_atomic_check(struct drm_plane *plane,
-		struct drm_plane_state *state)
+		struct drm_atomic_state *state)
 {
 	return 0;
 }
 
 static void mdp4_plane_atomic_update(struct drm_plane *plane,
-				     struct drm_plane_state *old_state)
+				     struct drm_atomic_state *state)
 {
-	struct drm_plane_state *state = plane->state;
+	struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
+									   plane);
 	int ret;
 
 	ret = mdp4_plane_mode_set(plane,
-			state->crtc, state->fb,
-			state->crtc_x, state->crtc_y,
-			state->crtc_w, state->crtc_h,
-			state->src_x,  state->src_y,
-			state->src_w, state->src_h);
+			new_state->crtc, new_state->fb,
+			new_state->crtc_x, new_state->crtc_y,
+			new_state->crtc_w, new_state->crtc_h,
+			new_state->src_x,  new_state->src_y,
+			new_state->src_w, new_state->src_h);
 	/* atomic_check should have ensured that this doesn't fail */
 	WARN_ON(ret < 0);
 }

drivers/gpu/drm/msm/disp/mdp5/mdp5_plane.c

···
  * Author: Rob Clark <[e-mail]>
  */
 
+#include <drm/drm_atomic.h>
 #include <drm/drm_damage_helper.h>
 #include <drm/drm_fourcc.h>
 #include <drm/drm_print.h>
···
 }
 
 static int mdp5_plane_atomic_check(struct drm_plane *plane,
-				   struct drm_plane_state *state)
+				   struct drm_atomic_state *state)
 {
+	struct drm_plane_state *old_plane_state = drm_atomic_get_old_plane_state(state,
+										 plane);
+	struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
+										 plane);
 	struct drm_crtc *crtc;
 	struct drm_crtc_state *crtc_state;
 
-	crtc = state->crtc ? state->crtc : plane->state->crtc;
+	crtc = new_plane_state->crtc ? new_plane_state->crtc : old_plane_state->crtc;
 	if (!crtc)
 		return 0;
 
-	crtc_state = drm_atomic_get_existing_crtc_state(state->state, crtc);
+	crtc_state = drm_atomic_get_existing_crtc_state(state,
+							crtc);
 	if (WARN_ON(!crtc_state))
 		return -EINVAL;
 
-	return mdp5_plane_atomic_check_with_state(crtc_state, state);
+	return mdp5_plane_atomic_check_with_state(crtc_state, new_plane_state);
 }
 
 static void mdp5_plane_atomic_update(struct drm_plane *plane,
-				     struct drm_plane_state *old_state)
+				     struct drm_atomic_state *state)
 {
-	struct drm_plane_state *state = plane->state;
+	struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
+									   plane);
 
 	DBG("%s: update", plane->name);
 
-	if (plane_enabled(state)) {
+	if (plane_enabled(new_state)) {
 		int ret;
 
 		ret = mdp5_plane_mode_set(plane,
-				state->crtc, state->fb,
-				&state->src, &state->dst);
+				new_state->crtc, new_state->fb,
+				&new_state->src, &new_state->dst);
 		/* atomic_check should have ensured that this doesn't fail */
 		WARN_ON(ret < 0);
 	}
 }
 
 static int mdp5_plane_atomic_async_check(struct drm_plane *plane,
-					 struct drm_plane_state *state)
+					 struct drm_atomic_state *state)
 {
-	struct mdp5_plane_state *mdp5_state = to_mdp5_plane_state(state);
+	struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
+										 plane);
+	struct mdp5_plane_state *mdp5_state = to_mdp5_plane_state(new_plane_state);
 	struct drm_crtc_state *crtc_state;
 	int min_scale, max_scale;
 	int ret;
 
-	crtc_state = drm_atomic_get_existing_crtc_state(state->state,
-							state->crtc);
+	crtc_state = drm_atomic_get_existing_crtc_state(state,
+							new_plane_state->crtc);
 	if (WARN_ON(!crtc_state))
 		return -EINVAL;
 
 	if (!crtc_state->active)
 		return -EINVAL;
 
-	mdp5_state = to_mdp5_plane_state(state);
+	mdp5_state = to_mdp5_plane_state(new_plane_state);
 
 	/* don't use fast path if we don't have a hwpipe allocated yet */
 	if (!mdp5_state->hwpipe)
 		return -EINVAL;
 
 	/* only allow changing of position(crtc x/y or src x/y) in fast path */
-	if (plane->state->crtc != state->crtc ||
-	    plane->state->src_w != state->src_w ||
-	    plane->state->src_h != state->src_h ||
-	    plane->state->crtc_w != state->crtc_w ||
-	    plane->state->crtc_h != state->crtc_h ||
+	if (plane->state->crtc != new_plane_state->crtc ||
+	    plane->state->src_w != new_plane_state->src_w ||
+	    plane->state->src_h != new_plane_state->src_h ||
+	    plane->state->crtc_w != new_plane_state->crtc_w ||
+	    plane->state->crtc_h != new_plane_state->crtc_h ||
 	    !plane->state->fb ||
-	    plane->state->fb != state->fb)
+	    plane->state->fb != new_plane_state->fb)
 		return -EINVAL;
 
 	min_scale = FRAC_16_16(1, 8);
 	max_scale = FRAC_16_16(8, 1);
 
-	ret = drm_atomic_helper_check_plane_state(state, crtc_state,
+	ret = drm_atomic_helper_check_plane_state(new_plane_state, crtc_state,
 						  min_scale, max_scale,
 						  true, true);
 	if (ret)
···
 	 * also assign/unassign the hwpipe(s) tied to the plane. We avoid
 	 * taking the fast path for both these reasons.
 	 */
-	if (state->visible != plane->state->visible)
+	if (new_plane_state->visible != plane->state->visible)
 		return -EINVAL;
 
 	return 0;
 }
 
 static void mdp5_plane_atomic_async_update(struct drm_plane *plane,
-					   struct drm_plane_state *new_state)
+					   struct drm_atomic_state *state)
 {
+	struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
+									   plane);
 	struct drm_framebuffer *old_fb = plane->state->fb;
 
 	plane->state->src_x = new_state->src_x;

drivers/gpu/drm/msm/msm_atomic.c

···
  */
 
 #include <drm/drm_atomic_uapi.h>
-#include <drm/drm_gem_framebuffer_helper.h>
+#include <drm/drm_gem_atomic_helper.h>
 #include <drm/drm_vblank.h>
 
 #include "msm_atomic_trace.h"
···
 	if (!new_state->fb)
 		return 0;
 
-	drm_gem_fb_prepare_fb(plane, new_state);
+	drm_gem_plane_helper_prepare_fb(plane, new_state);
 
 	return msm_framebuffer_prepare(new_state->fb, kms->aspace);
 }

drivers/gpu/drm/mxsfb/mxsfb_kms.c

···
 #include <drm/drm_encoder.h>
 #include <drm/drm_fb_cma_helper.h>
 #include <drm/drm_fourcc.h>
+#include <drm/drm_gem_atomic_helper.h>
 #include <drm/drm_gem_cma_helper.h>
-#include <drm/drm_gem_framebuffer_helper.h>
 #include <drm/drm_plane.h>
 #include <drm/drm_plane_helper.h>
 #include <drm/drm_vblank.h>
···
  */
 
 static int mxsfb_plane_atomic_check(struct drm_plane *plane,
-				    struct drm_plane_state *plane_state)
+				    struct drm_atomic_state *state)
 {
+	struct drm_plane_state *plane_state = drm_atomic_get_new_plane_state(state,
+									     plane);
 	struct mxsfb_drm_private *mxsfb = to_mxsfb_drm_private(plane->dev);
 	struct drm_crtc_state *crtc_state;
 
-	crtc_state = drm_atomic_get_new_crtc_state(plane_state->state,
+	crtc_state = drm_atomic_get_new_crtc_state(state,
 						   &mxsfb->crtc);
 
 	return drm_atomic_helper_check_plane_state(plane_state, crtc_state,
···
 }
 
 static void mxsfb_plane_primary_atomic_update(struct drm_plane *plane,
-					      struct drm_plane_state *old_pstate)
+					      struct drm_atomic_state *state)
 {
 	struct mxsfb_drm_private *mxsfb = to_mxsfb_drm_private(plane->dev);
 	dma_addr_t paddr;
···
 }
 
 static void mxsfb_plane_overlay_atomic_update(struct drm_plane *plane,
-					      struct drm_plane_state *old_pstate)
+					      struct drm_atomic_state *state)
 {
+	struct drm_plane_state *old_pstate = drm_atomic_get_old_plane_state(state,
+									    plane);
 	struct mxsfb_drm_private *mxsfb = to_mxsfb_drm_private(plane->dev);
-	struct drm_plane_state *state = plane->state;
+	struct drm_plane_state *new_pstate = drm_atomic_get_new_plane_state(state,
+									    plane);
 	dma_addr_t paddr;
 	u32 ctrl;
 
···
 
 	ctrl = AS_CTRL_AS_ENABLE | AS_CTRL_ALPHA(255);
 
-	switch (state->fb->format->format) {
+	switch (new_pstate->fb->format->format) {
 	case DRM_FORMAT_XRGB4444:
 		ctrl |= AS_CTRL_FORMAT_RGB444 | AS_CTRL_ALPHA_CTRL_OVERRIDE;
 		break;
···
 }
 
 static const struct drm_plane_helper_funcs mxsfb_plane_primary_helper_funcs = {
-	.prepare_fb = drm_gem_fb_prepare_fb,
+	.prepare_fb = drm_gem_plane_helper_prepare_fb,
 	.atomic_check = mxsfb_plane_atomic_check,
 	.atomic_update = mxsfb_plane_primary_atomic_update,
 };
 
 static const struct drm_plane_helper_funcs mxsfb_plane_overlay_helper_funcs = {
-	.prepare_fb = drm_gem_fb_prepare_fb,
+	.prepare_fb = drm_gem_plane_helper_prepare_fb,
 	.atomic_check = mxsfb_plane_atomic_check,
 	.atomic_update = mxsfb_plane_overlay_atomic_update,
 };

drivers/gpu/drm/nouveau/dispnv50/wndw.c

···
 #include <nvhw/class/cl507e.h>
 #include <nvhw/class/clc37e.h>
 
+#include <drm/drm_atomic.h>
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_fourcc.h>
 
···
 }
 
 static int
-nv50_wndw_atomic_check(struct drm_plane *plane, struct drm_plane_state *state)
+nv50_wndw_atomic_check(struct drm_plane *plane,
+		       struct drm_atomic_state *state)
 {
+	struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
+										 plane);
 	struct nouveau_drm *drm = nouveau_drm(plane->dev);
 	struct nv50_wndw *wndw = nv50_wndw(plane);
 	struct nv50_wndw_atom *armw = nv50_wndw_atom(wndw->plane.state);
-	struct nv50_wndw_atom *asyw = nv50_wndw_atom(state);
+	struct nv50_wndw_atom *asyw = nv50_wndw_atom(new_plane_state);
 	struct nv50_head_atom *harm = NULL, *asyh = NULL;
 	bool modeset = false;
 	int ret;

drivers/gpu/drm/nouveau/nouveau_bo.c

···
 #include <nvif/if500b.h>
 #include <nvif/if900b.h>
 
-static int nouveau_ttm_tt_bind(struct ttm_bo_device *bdev, struct ttm_tt *ttm,
+static int nouveau_ttm_tt_bind(struct ttm_device *bdev, struct ttm_tt *ttm,
 			       struct ttm_resource *reg);
-static void nouveau_ttm_tt_unbind(struct ttm_bo_device *bdev, struct ttm_tt *ttm);
+static void nouveau_ttm_tt_unbind(struct ttm_device *bdev, struct ttm_tt *ttm);
 
 /*
  * NV10-NV40 tiling helpers
···
 		struct sg_table *sg, struct dma_resv *robj)
 {
 	int type = sg ? ttm_bo_type_sg : ttm_bo_type_device;
-	size_t acc_size;
 	int ret;
-
-	acc_size = ttm_bo_dma_acc_size(nvbo->bo.bdev, size, sizeof(*nvbo));
 
 	nvbo->bo.mem.num_pages = size >> PAGE_SHIFT;
 	nouveau_bo_placement_set(nvbo, domain, 0);
 	INIT_LIST_HEAD(&nvbo->io_reserve_lru);
 
 	ret = ttm_bo_init(nvbo->bo.bdev, &nvbo->bo, size, type,
-			  &nvbo->placement, align >> PAGE_SHIFT, false,
-			  acc_size, sg, robj, nouveau_bo_del_ttm);
+			  &nvbo->placement, align >> PAGE_SHIFT, false, sg,
+			  robj, nouveau_bo_del_ttm);
 	if (ret) {
 		/* ttm will call nouveau_bo_del_ttm if it fails.. */
 		return ret;
···
 }
 
 static int
-nouveau_ttm_tt_bind(struct ttm_bo_device *bdev, struct ttm_tt *ttm,
+nouveau_ttm_tt_bind(struct ttm_device *bdev, struct ttm_tt *ttm,
 		    struct ttm_resource *reg)
 {
 #if IS_ENABLED(CONFIG_AGP)
···
 }
 
 static void
-nouveau_ttm_tt_unbind(struct ttm_bo_device *bdev, struct ttm_tt *ttm)
+nouveau_ttm_tt_unbind(struct ttm_device *bdev, struct ttm_tt *ttm)
 {
 #if IS_ENABLED(CONFIG_AGP)
 	struct nouveau_drm *drm = nouveau_bdev(bdev);
···
 }
 
 static int
-nouveau_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_resource *reg)
+nouveau_ttm_io_mem_reserve(struct ttm_device *bdev, struct ttm_resource *reg)
 {
 	struct nouveau_drm *drm = nouveau_bdev(bdev);
 	struct nvkm_device *device = nvxx_device(&drm->client.device);
···
 }
 
 static void
-nouveau_ttm_io_mem_free(struct ttm_bo_device *bdev, struct ttm_resource *reg)
+nouveau_ttm_io_mem_free(struct ttm_device *bdev, struct ttm_resource *reg)
 {
 	struct nouveau_drm *drm = nouveau_bdev(bdev);
 
···
 }
 
 static int
-nouveau_ttm_tt_populate(struct ttm_bo_device *bdev,
+nouveau_ttm_tt_populate(struct ttm_device *bdev,
 			struct ttm_tt *ttm, struct ttm_operation_ctx *ctx)
 {
 	struct ttm_tt *ttm_dma = (void *)ttm;
···
 }
 
 static void
-nouveau_ttm_tt_unpopulate(struct ttm_bo_device *bdev,
+nouveau_ttm_tt_unpopulate(struct ttm_device *bdev,
 			  struct ttm_tt *ttm)
 {
 	struct nouveau_drm *drm;
···
 }
 
 static void
-nouveau_ttm_tt_destroy(struct ttm_bo_device *bdev,
+nouveau_ttm_tt_destroy(struct ttm_device *bdev,
 		       struct ttm_tt *ttm)
 {
 #if IS_ENABLED(CONFIG_AGP)
···
 	nouveau_bo_move_ntfy(bo, false, NULL);
 }
 
-struct ttm_bo_driver nouveau_bo_driver = {
+struct ttm_device_funcs nouveau_bo_driver = {
 	.ttm_tt_create = &nouveau_ttm_tt_create,
 	.ttm_tt_populate = &nouveau_ttm_tt_populate,
 	.ttm_tt_unpopulate = &nouveau_ttm_tt_unpopulate,

drivers/gpu/drm/nouveau/nouveau_bo.h

···
 	return 0;
 }
 
-extern struct ttm_bo_driver nouveau_bo_driver;
+extern struct ttm_device_funcs nouveau_bo_driver;
 
 void nouveau_bo_move_init(struct nouveau_drm *);
 struct nouveau_bo *nouveau_bo_alloc(struct nouveau_cli *, u64 *size, int *align,

drivers/gpu/drm/nouveau/nouveau_display.c

···
 	     mode_cmd->pitches[0] >= 0x10000 || /* at most 64k pitch */
 	     (mode_cmd->pitches[1] && /* pitches for planes must match */
 	      mode_cmd->pitches[0] != mode_cmd->pitches[1]))) {
-		struct drm_format_name_buf format_name;
-		DRM_DEBUG_KMS("Unsuitable framebuffer: format: %s; pitches: 0x%x\n 0x%x\n",
-			      drm_get_format_name(mode_cmd->pixel_format,
-						  &format_name),
-			      mode_cmd->pitches[0],
-			      mode_cmd->pitches[1]);
+		DRM_DEBUG_KMS("Unsuitable framebuffer: format: %p4cc; pitches: 0x%x\n 0x%x\n",
+			      &mode_cmd->pixel_format,
+			      mode_cmd->pitches[0], mode_cmd->pitches[1]);
 		return -EINVAL;
 	}
 

drivers/gpu/drm/nouveau/nouveau_drv.h

···
 #include <drm/ttm/ttm_bo_api.h>
 #include <drm/ttm/ttm_bo_driver.h>
 #include <drm/ttm/ttm_placement.h>
-#include <drm/ttm/ttm_memory.h>
 
 #include <drm/drm_audio_component.h>
 
···
 
 	/* TTM interface support */
 	struct {
-		struct ttm_bo_device bdev;
+		struct ttm_device bdev;
 		atomic_t validate_sequence;
 		int (*move)(struct nouveau_channel *,
 			    struct ttm_buffer_object *,

drivers/gpu/drm/nouveau/nouveau_sgdma.c

···
 };
 
 void
-nouveau_sgdma_destroy(struct ttm_bo_device *bdev, struct ttm_tt *ttm)
+nouveau_sgdma_destroy(struct ttm_device *bdev, struct ttm_tt *ttm)
 {
 	struct nouveau_sgdma_be *nvbe = (struct nouveau_sgdma_be *)ttm;
 
···
 }
 
 int
-nouveau_sgdma_bind(struct ttm_bo_device *bdev, struct ttm_tt *ttm, struct ttm_resource *reg)
+nouveau_sgdma_bind(struct ttm_device *bdev, struct ttm_tt *ttm, struct ttm_resource *reg)
 {
 	struct nouveau_sgdma_be *nvbe = (struct nouveau_sgdma_be *)ttm;
 	struct nouveau_drm *drm = nouveau_bdev(bdev);
···
 }
 
 void
-nouveau_sgdma_unbind(struct ttm_bo_device *bdev, struct ttm_tt *ttm)
+nouveau_sgdma_unbind(struct ttm_device *bdev, struct ttm_tt *ttm)
 {
 	struct nouveau_sgdma_be *nvbe = (struct nouveau_sgdma_be *)ttm;
 	if (nvbe->mem) {

drivers/gpu/drm/nouveau/nouveau_ttm.c

···
 	return ret;
 }
 
-static struct vm_operations_struct nouveau_ttm_vm_ops = {
+static const struct vm_operations_struct nouveau_ttm_vm_ops = {
 	.fault = nouveau_ttm_fault,
 	.open = ttm_bo_vm_open,
 	.close = ttm_bo_vm_close,
···
 	need_swiotlb = !!swiotlb_nr_tbl();
 #endif
 
-	ret = ttm_bo_device_init(&drm->ttm.bdev, &nouveau_bo_driver,
-				 drm->dev->dev, dev->anon_inode->i_mapping,
-				 dev->vma_offset_manager, need_swiotlb,
-				 drm->client.mmu.dmabits <= 32);
+	ret = ttm_device_init(&drm->ttm.bdev, &nouveau_bo_driver, drm->dev->dev,
+				  dev->anon_inode->i_mapping,
+				  dev->vma_offset_manager, need_swiotlb,
+				  drm->client.mmu.dmabits <= 32);
 	if (ret) {
 		NV_ERROR(drm, "error initialising bo driver, %d\n", ret);
 		return ret;
···
 	nouveau_ttm_fini_vram(drm);
 	nouveau_ttm_fini_gtt(drm);
 
-	ttm_bo_device_release(&drm->ttm.bdev);
+	ttm_device_fini(&drm->ttm.bdev);
 
 	arch_phys_wc_del(drm->ttm.mtrr);
 	drm->ttm.mtrr = 0;

drivers/gpu/drm/nouveau/nouveau_ttm.h

···
 #define __NOUVEAU_TTM_H__
 
 static inline struct nouveau_drm *
-nouveau_bdev(struct ttm_bo_device *bd)
+nouveau_bdev(struct ttm_device *bd)
 {
 	return container_of(bd, struct nouveau_drm, ttm.bdev);
 }
···
 int  nouveau_ttm_global_init(struct nouveau_drm *);
 void nouveau_ttm_global_release(struct nouveau_drm *);
 
-int nouveau_sgdma_bind(struct ttm_bo_device *bdev, struct ttm_tt *ttm, struct ttm_resource *reg);
-void nouveau_sgdma_unbind(struct ttm_bo_device *bdev, struct ttm_tt *ttm);
-void nouveau_sgdma_destroy(struct ttm_bo_device *bdev, struct ttm_tt *ttm);
+int nouveau_sgdma_bind(struct ttm_device *bdev, struct ttm_tt *ttm, struct ttm_resource *reg);
+void nouveau_sgdma_unbind(struct ttm_device *bdev, struct ttm_tt *ttm);
+void nouveau_sgdma_destroy(struct ttm_device *bdev, struct ttm_tt *ttm);
 #endif

drivers/gpu/drm/omapdrm/dss/dsi.c

···
 			     const struct mipi_dsi_msg *msg)
 {
 	struct mipi_dsi_packet pkt;
+	int err;
 	u32 r;
 
-	r = mipi_dsi_create_packet(&pkt, msg);
-	if (r < 0)
-		return r;
+	err = mipi_dsi_create_packet(&pkt, msg);
+	if (err)
+		return err;
 
 	WARN_ON(!dsi_bus_is_locked(dsi));
 

drivers/gpu/drm/omapdrm/omap_drv.c

···
 {
 	struct drm_device *dev = old_state->dev;
 	struct omap_drm_private *priv = dev->dev_private;
+	bool fence_cookie = dma_fence_begin_signalling();
 
 	dispc_runtime_get(priv->dispc);
 
···
 		omap_atomic_wait_for_completion(dev, old_state);
 
 		drm_atomic_helper_commit_planes(dev, old_state, 0);
-
-		drm_atomic_helper_commit_hw_done(old_state);
 	} else {
 		/*
 		 * OMAP3 DSS seems to have issues with the work-around above,
···
 		drm_atomic_helper_commit_planes(dev, old_state, 0);
 
 		drm_atomic_helper_commit_modeset_enables(dev, old_state);
-
-		drm_atomic_helper_commit_hw_done(old_state);
 	}
+
+	drm_atomic_helper_commit_hw_done(old_state);
+
+	dma_fence_end_signalling(fence_cookie);
 
 	/*
 	 * Wait for completion of the page flips to ensure that old buffers

drivers/gpu/drm/omapdrm/omap_plane.c

···
 }
 
 static void omap_plane_atomic_update(struct drm_plane *plane,
-				     struct drm_plane_state *old_state)
+				     struct drm_atomic_state *state)
 {
 	struct omap_drm_private *priv = plane->dev->dev_private;
 	struct omap_plane *omap_plane = to_omap_plane(plane);
-	struct drm_plane_state *state = plane->state;
+	struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
+									   plane);
 	struct omap_overlay_info info;
 	int ret;
 
-	DBG("%s, crtc=%p fb=%p", omap_plane->name, state->crtc, state->fb);
+	DBG("%s, crtc=%p fb=%p", omap_plane->name, new_state->crtc,
+	    new_state->fb);
 
 	memset(&info, 0, sizeof(info));
 	info.rotation_type = OMAP_DSS_ROT_NONE;
 	info.rotation = DRM_MODE_ROTATE_0;
-	info.global_alpha = state->alpha >> 8;
-	info.zorder = state->normalized_zpos;
-	if (state->pixel_blend_mode == DRM_MODE_BLEND_PREMULTI)
+	info.global_alpha = new_state->alpha >> 8;
+	info.zorder = new_state->normalized_zpos;
+	if (new_state->pixel_blend_mode == DRM_MODE_BLEND_PREMULTI)
 		info.pre_mult_alpha = 1;
 	else
 		info.pre_mult_alpha = 0;
-	info.color_encoding = state->color_encoding;
-	info.color_range = state->color_range;
+	info.color_encoding = new_state->color_encoding;
+	info.color_range = new_state->color_range;
 
 	/* update scanout: */
-	omap_framebuffer_update_scanout(state->fb, state, &info);
+	omap_framebuffer_update_scanout(new_state->fb, new_state, &info);
 
 	DBG("%dx%d -> %dx%d (%d)", info.width, info.height,
 			info.out_width, info.out_height,
···
 
 	/* and finally, update omapdss: */
 	ret = dispc_ovl_setup(priv->dispc, omap_plane->id, &info,
-			      omap_crtc_timings(state->crtc), false,
-			      omap_crtc_channel(state->crtc));
+			      omap_crtc_timings(new_state->crtc), false,
+			      omap_crtc_channel(new_state->crtc));
 	if (ret) {
 		dev_err(plane->dev->dev, "Failed to setup plane %s\n",
 			omap_plane->name);
···
 }
 
 static void omap_plane_atomic_disable(struct drm_plane *plane,
-				      struct drm_plane_state *old_state)
+				      struct drm_atomic_state *state)
 {
+	struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
+									   plane);
 	struct omap_drm_private *priv = plane->dev->dev_private;
 	struct omap_plane *omap_plane = to_omap_plane(plane);
 
-	plane->state->rotation = DRM_MODE_ROTATE_0;
-	plane->state->zpos = plane->type == DRM_PLANE_TYPE_PRIMARY
-			   ? 0 : omap_plane->id;
+	new_state->rotation = DRM_MODE_ROTATE_0;
+	new_state->zpos = plane->type == DRM_PLANE_TYPE_PRIMARY ? 0 : omap_plane->id;
 
 	dispc_ovl_enable(priv->dispc, omap_plane->id, false);
 }
 
 static int omap_plane_atomic_check(struct drm_plane *plane,
-				   struct drm_plane_state *state)
+				   struct drm_atomic_state *state)
 {
+	struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
+										 plane);
 	struct drm_crtc_state *crtc_state;
 
-	if (!state->fb)
+	if (!new_plane_state->fb)
 		return 0;
 
-	/* crtc should only be NULL when disabling (i.e., !state->fb) */
-	if (WARN_ON(!state->crtc))
+	/* crtc should only be NULL when disabling (i.e., !new_plane_state->fb) */
+	if (WARN_ON(!new_plane_state->crtc))
 		return 0;
 
-	crtc_state = drm_atomic_get_existing_crtc_state(state->state, state->crtc);
+	crtc_state = drm_atomic_get_existing_crtc_state(state,
+							new_plane_state->crtc);
 	/* we should have a crtc state if the plane is attached to a crtc */
 	if (WARN_ON(!crtc_state))
 		return 0;
···
 	if (!crtc_state->enable)
 		return 0;
 
-	if (state->crtc_x < 0 || state->crtc_y < 0)
+	if (new_plane_state->crtc_x < 0 || new_plane_state->crtc_y < 0)
 		return -EINVAL;
 
-	if (state->crtc_x + state->crtc_w > crtc_state->adjusted_mode.hdisplay)
+	if (new_plane_state->crtc_x + new_plane_state->crtc_w > crtc_state->adjusted_mode.hdisplay)
 		return -EINVAL;
 
-	if (state->crtc_y + state->crtc_h > crtc_state->adjusted_mode.vdisplay)
+	if (new_plane_state->crtc_y + new_plane_state->crtc_h > crtc_state->adjusted_mode.vdisplay)
 		return -EINVAL;
 
-	if (state->rotation != DRM_MODE_ROTATE_0 &&
-	    !omap_framebuffer_supports_rotation(state->fb))
+	if (new_plane_state->rotation != DRM_MODE_ROTATE_0 &&
+	    !omap_framebuffer_supports_rotation(new_plane_state->fb))
 		return -EINVAL;
 
 	return 0;

drivers/gpu/drm/panel/panel-lvds.c

···
 
 static int panel_lvds_remove(struct platform_device *pdev)
 {
-	struct panel_lvds *lvds = dev_get_drvdata(&pdev->dev);
+	struct panel_lvds *lvds = platform_get_drvdata(pdev);
 
 	drm_panel_remove(&lvds->panel);
 

drivers/gpu/drm/panel/panel-seiko-43wvf1g.c

···
 
 static int seiko_panel_remove(struct platform_device *pdev)
 {
-	struct seiko_panel *panel = dev_get_drvdata(&pdev->dev);
+	struct seiko_panel *panel = platform_get_drvdata(pdev);
 
 	drm_panel_remove(&panel->base);
 	drm_panel_disable(&panel->base);
···
 
 static void seiko_panel_shutdown(struct platform_device *pdev)
 {
-	struct seiko_panel *panel = dev_get_drvdata(&pdev->dev);
+	struct seiko_panel *panel = platform_get_drvdata(pdev);
 
 	drm_panel_disable(&panel->base);
 }

drivers/gpu/drm/panel/panel-simple.c

···
 
 	err = mipi_dsi_attach(dsi);
 	if (err) {
-		struct panel_simple *panel = dev_get_drvdata(&dsi->dev);
+		struct panel_simple *panel = mipi_dsi_get_drvdata(dsi);
 
 		drm_panel_remove(&panel->base);
 	}

drivers/gpu/drm/panfrost/panfrost_devfreq.c

···
 	panfrost_devfreq_profile.initial_freq = cur_freq;
 	dev_pm_opp_put(opp);
 
+	/*
+	 * Setup default thresholds for the simple_ondemand governor.
+	 * The values are chosen based on experiments.
+	 */
+	pfdevfreq->gov_data.upthreshold = 45;
+	pfdevfreq->gov_data.downdifferential = 5;
+
 	devfreq = devm_devfreq_add_device(dev, &panfrost_devfreq_profile,
-					  DEVFREQ_GOV_SIMPLE_ONDEMAND, NULL);
+					  DEVFREQ_GOV_SIMPLE_ONDEMAND,
+					  &pfdevfreq->gov_data);
 	if (IS_ERR(devfreq)) {
 		DRM_DEV_ERROR(dev, "Couldn't initialize GPU devfreq\n");
 		ret = PTR_ERR(devfreq);

drivers/gpu/drm/panfrost/panfrost_devfreq.h

···
 #ifndef __PANFROST_DEVFREQ_H__
 #define __PANFROST_DEVFREQ_H__
 
+#include <linux/devfreq.h>
 #include <linux/spinlock.h>
 #include <linux/ktime.h>
 
···
 	struct devfreq *devfreq;
 	struct opp_table *regulators_opp_table;
 	struct thermal_cooling_device *cooling;
+	struct devfreq_simple_ondemand_data gov_data;
 	bool opp_of_table_added;
 
 	ktime_t busy_time;

drivers/gpu/drm/panfrost/panfrost_job.c

···
 	mutex_unlock(&queue->lock);
 }
 
-static void panfrost_job_timedout(struct drm_sched_job *sched_job)
+static enum drm_gpu_sched_stat panfrost_job_timedout(struct drm_sched_job
+						     *sched_job)
 {
 	struct panfrost_job *job = to_panfrost_job(sched_job);
 	struct panfrost_device *pfdev = job->pfdev;
···
 	 * spurious. Bail out.
 	 */
 	if (dma_fence_is_signaled(job->done_fence))
-		return;
+		return DRM_GPU_SCHED_STAT_NOMINAL;
 
 	dev_err(pfdev->dev, "gpu sched timeout, js=%d, config=0x%x, status=0x%x, head=0x%x, tail=0x%x, sched_job=%p",
 		js,
···
 
 	/* Scheduler is already stopped, nothing to do. */
 	if (!panfrost_scheduler_stop(&pfdev->js->queue[js], sched_job))
-		return;
+		return DRM_GPU_SCHED_STAT_NOMINAL;
 
 	/* Schedule a reset if there's no reset in progress. */
 	if (!atomic_xchg(&pfdev->reset.pending, 1))
 		schedule_work(&pfdev->reset.work);
+
+	return DRM_GPU_SCHED_STAT_NOMINAL;
 }
 
 static const struct drm_sched_backend_ops panfrost_sched_ops = {
···
 		ret = drm_sched_init(&js->queue[j].sched,
 				     &panfrost_sched_ops,
 				     1, 0, msecs_to_jiffies(JOB_TIMEOUT_MS),
-				     "pan_js");
+				     NULL, "pan_js");
 		if (ret) {
 			dev_err(pfdev->dev, "Failed to create scheduler: %d.", ret);
 			goto err_sched;

drivers/gpu/drm/panfrost/panfrost_mmu.c

···
 		}
 		bo->base.pages = pages;
 		bo->base.pages_use_count = 1;
-	} else
+	} else {
 		pages = bo->base.pages;
+		if (pages[page_offset]) {
+			/* Pages are already mapped, bail out. */
+			mutex_unlock(&bo->base.pages_lock);
+			goto out;
+		}
+	}
 
 	mapping = bo->base.base.filp->f_mapping;
 	mapping_set_unevictable(mapping);
···
 
 	dev_dbg(pfdev->dev, "mapped page fault @ AS%d %llx", as, addr);
 
+out:
 	panfrost_gem_mapping_put(bomapping);
 
 	return 0;
···
 {
 	struct panfrost_device *pfdev = data;
 	u32 status = mmu_read(pfdev, MMU_INT_RAWSTAT);
-	int i, ret;
+	int ret;
 
-	for (i = 0; status; i++) {
-		u32 mask = BIT(i) | BIT(i + 16);
+	while (status) {
+		u32 as = ffs(status | (status >> 16)) - 1;
+		u32 mask = BIT(as) | BIT(as + 16);
 		u64 addr;
 		u32 fault_status;
 		u32 exception_type;
 		u32 access_type;
 		u32 source_id;
 
-		if (!(status & mask))
-			continue;
-
-		fault_status = mmu_read(pfdev, AS_FAULTSTATUS(i));
-		addr = mmu_read(pfdev, AS_FAULTADDRESS_LO(i));
-		addr |= (u64)mmu_read(pfdev, AS_FAULTADDRESS_HI(i)) << 32;
+		fault_status = mmu_read(pfdev, AS_FAULTSTATUS(as));
+		addr = mmu_read(pfdev, AS_FAULTADDRESS_LO(as));
+		addr |= (u64)mmu_read(pfdev, AS_FAULTADDRESS_HI(as)) << 32;
 
 		/* decode the fault status */
 		exception_type = fault_status & 0xFF;
 		access_type = (fault_status >> 8) & 0x3;
 		source_id = (fault_status >> 16);
 
+		mmu_write(pfdev, MMU_INT_CLEAR, mask);
+
 		/* Page fault only */
 		ret = -1;
-		if ((status & mask) == BIT(i) && (exception_type & 0xF8) == 0xC0)
-			ret = panfrost_mmu_map_fault_addr(pfdev, i, addr);
+		if ((status & mask) == BIT(as) && (exception_type & 0xF8) == 0xC0)
+			ret = panfrost_mmu_map_fault_addr(pfdev, as, addr);
 
 		if (ret)
 			/* terminal fault, print info about the fault */
···
 				"exception type 0x%X: %s\n"
 				"access type 0x%X: %s\n"
 				"source id 0x%X\n",
-				i, addr,
+				as, addr,
 				"TODO",
 				fault_status,
 				(fault_status & (1 << 10) ? "DECODER FAULT" : "SLAVE FAULT"),
···
 				access_type, access_type_name(pfdev, fault_status),
 				source_id);
 
-		mmu_write(pfdev, MMU_INT_CLEAR, mask);
-
 		status &= ~mask;
+
+		/* If we received new MMU interrupts, process them before returning. */
+		if (!status)
+			status = mmu_read(pfdev, MMU_INT_RAWSTAT);
 	}
 
 	mmu_write(pfdev, MMU_INT_MASK, ~0);

drivers/gpu/drm/pl111/pl111_display.c

···
 
 #include <drm/drm_fb_cma_helper.h>
 #include <drm/drm_fourcc.h>
+#include <drm/drm_gem_atomic_helper.h>
 #include <drm/drm_gem_cma_helper.h>
-#include <drm/drm_gem_framebuffer_helper.h>
 #include <drm/drm_vblank.h>
 
 #include "pl111_drm.h"
···
 	.enable = pl111_display_enable,
 	.disable = pl111_display_disable,
 	.update = pl111_display_update,
-	.prepare_fb = drm_gem_fb_simple_display_pipe_prepare_fb,
+	.prepare_fb = drm_gem_simple_display_pipe_prepare_fb,
 };
 
 static int pl111_clk_div_choose_div(struct clk_hw *hw, unsigned long rate,

drivers/gpu/drm/qxl/qxl_cmd.c

···
 		}
 	}
 
+	wake_up_all(&qdev->release_event);
 	DRM_DEBUG_DRIVER("%d\n", i);
 
 	return i;
···
 	int ret;
 
 	ret = qxl_bo_create(qdev, size, false /* not kernel - device */,
-			    false, QXL_GEM_DOMAIN_VRAM, NULL, &bo);
+			    false, QXL_GEM_DOMAIN_VRAM, 0, NULL, &bo);
 	if (ret) {
 		DRM_ERROR("failed to allocate VRAM BO\n");
 		return ret;

drivers/gpu/drm/qxl/qxl_display.c

···
 };
 
 static int qxl_primary_atomic_check(struct drm_plane *plane,
-				    struct drm_plane_state *state)
+				    struct drm_atomic_state *state)
 {
+	struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
+										 plane);
 	struct qxl_device *qdev = to_qxl(plane->dev);
 	struct qxl_bo *bo;
 
-	if (!state->crtc || !state->fb)
+	if (!new_plane_state->crtc || !new_plane_state->fb)
 		return 0;
 
-	bo = gem_to_qxl_bo(state->fb->obj[0]);
+	bo = gem_to_qxl_bo(new_plane_state->fb->obj[0]);
 
 	return qxl_check_framebuffer(qdev, bo);
 }
 
-static int qxl_primary_apply_cursor(struct drm_plane *plane)
+static int qxl_primary_apply_cursor(struct qxl_device *qdev,
+				    struct drm_plane_state *plane_state)
 {
-	struct drm_device *dev = plane->dev;
-	struct qxl_device *qdev = to_qxl(dev);
-	struct drm_framebuffer *fb = plane->state->fb;
-	struct qxl_crtc *qcrtc = to_qxl_crtc(plane->state->crtc);
+	struct drm_framebuffer *fb = plane_state->fb;
+	struct qxl_crtc *qcrtc = to_qxl_crtc(plane_state->crtc);
 	struct qxl_cursor_cmd *cmd;
 	struct qxl_release *release;
 	int ret = 0;
···
 
 	cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release);
 	cmd->type = QXL_CURSOR_SET;
-	cmd->u.set.position.x = plane->state->crtc_x + fb->hot_x;
-	cmd->u.set.position.y = plane->state->crtc_y + fb->hot_y;
+	cmd->u.set.position.x = plane_state->crtc_x + fb->hot_x;
+	cmd->u.set.position.y = plane_state->crtc_y + fb->hot_y;
 
 	cmd->u.set.shape = qxl_bo_physical_address(qdev, qcrtc->cursor_bo, 0);
 
···
 	return ret;
 }
 
-static void qxl_primary_atomic_update(struct drm_plane *plane,
-				      struct drm_plane_state *old_state)
+static int qxl_primary_move_cursor(struct qxl_device *qdev,
+				   struct drm_plane_state *plane_state)
 {
+	struct drm_framebuffer *fb = plane_state->fb;
+	struct qxl_crtc *qcrtc = to_qxl_crtc(plane_state->crtc);
+	struct qxl_cursor_cmd *cmd;
+	struct qxl_release *release;
+	int ret = 0;
+
+	if (!qcrtc->cursor_bo)
+		return 0;
+
+	ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd),
+					 QXL_RELEASE_CURSOR_CMD,
+					 &release, NULL);
+	if (ret)
+		return ret;
+
+	ret = qxl_release_reserve_list(release, true);
+	if (ret) {
+		qxl_release_free(qdev, release);
+		return ret;
+	}
+
+	cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release);
+	cmd->type = QXL_CURSOR_MOVE;
+	cmd->u.position.x = plane_state->crtc_x + fb->hot_x;
+	cmd->u.position.y = plane_state->crtc_y + fb->hot_y;
+	qxl_release_unmap(qdev, release, &cmd->release_info);
+
+	qxl_release_fence_buffer_objects(release);
+	qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
+	return ret;
+}
+
+static struct qxl_bo *qxl_create_cursor(struct qxl_device *qdev,
+					struct qxl_bo *user_bo,
+					int hot_x, int hot_y)
+{
+	static const u32 size = 64 * 64 * 4;
+	struct qxl_bo *cursor_bo;
+	struct dma_buf_map cursor_map;
+	struct dma_buf_map user_map;
+	struct qxl_cursor cursor;
+	int ret;
+
+	if (!user_bo)
+		return NULL;
+
+	ret = qxl_bo_create(qdev, sizeof(struct qxl_cursor) + size,
+			    false, true, QXL_GEM_DOMAIN_VRAM, 1,
+			    NULL, &cursor_bo);
+	if (ret)
+		goto err;
+
+	ret = qxl_bo_vmap(cursor_bo, &cursor_map);
+	if (ret)
+		goto err_unref;
+
+	ret = qxl_bo_vmap(user_bo, &user_map);
+	if (ret)
+		goto err_unmap;
+
+	cursor.header.unique = 0;
+	cursor.header.type = SPICE_CURSOR_TYPE_ALPHA;
+	cursor.header.width = 64;
+	cursor.header.height = 64;
+	cursor.header.hot_spot_x = hot_x;
+	cursor.header.hot_spot_y = hot_y;
+	cursor.data_size = size;
+	cursor.chunk.next_chunk = 0;
+	cursor.chunk.prev_chunk = 0;
+	cursor.chunk.data_size = size;
+	if (cursor_map.is_iomem) {
+		memcpy_toio(cursor_map.vaddr_iomem,
+			    &cursor, sizeof(cursor));
+		memcpy_toio(cursor_map.vaddr_iomem + sizeof(cursor),
+			    user_map.vaddr, size);
+	} else {
+		memcpy(cursor_map.vaddr,
+		       &cursor, sizeof(cursor));
+		memcpy(cursor_map.vaddr + sizeof(cursor),
+		       user_map.vaddr, size);
+	}
+
+	qxl_bo_vunmap(user_bo);
+	qxl_bo_vunmap(cursor_bo);
+	return cursor_bo;
+
+err_unmap:
+	qxl_bo_vunmap(cursor_bo);
+err_unref:
+	qxl_bo_unpin(cursor_bo);
+	qxl_bo_unref(&cursor_bo);
+err:
+	return NULL;
+}
+
+static void qxl_free_cursor(struct qxl_bo *cursor_bo)
+{
+	if (!cursor_bo)
+		return;
+
+	qxl_bo_unpin(cursor_bo);
+	qxl_bo_unref(&cursor_bo);
+}
+
+static void qxl_primary_atomic_update(struct drm_plane *plane,
+				      struct drm_atomic_state *state)
+{
+	struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
+									   plane);
 	struct qxl_device *qdev = to_qxl(plane->dev);
-	struct qxl_bo *bo = gem_to_qxl_bo(plane->state->fb->obj[0]);
+	struct qxl_bo *bo = gem_to_qxl_bo(new_state->fb->obj[0]);
 	struct qxl_bo *primary;
 	struct drm_clip_rect norect = {
 	    .x1 = 0,
 	    .y1 = 0,
-	    .x2 = plane->state->fb->width,
-	    .y2 = plane->state->fb->height
+	    .x2 = new_state->fb->width,
+	    .y2 = new_state->fb->height
 	};
 	uint32_t dumb_shadow_offset = 0;
 
···
 		if (qdev->primary_bo)
 			qxl_io_destroy_primary(qdev);
 		qxl_io_create_primary(qdev, primary);
-		qxl_primary_apply_cursor(plane);
+		qxl_primary_apply_cursor(qdev, plane->state);
 	}
 
 	if (bo->is_dumb)
 		dumb_shadow_offset =
-			qdev->dumb_heads[plane->state->crtc->index].x;
+			qdev->dumb_heads[new_state->crtc->index].x;
 
-	qxl_draw_dirty_fb(qdev, plane->state->fb, bo, 0, 0, &norect, 1, 1,
+	qxl_draw_dirty_fb(qdev, new_state->fb, bo, 0, 0, &norect, 1, 1,
 			  dumb_shadow_offset);
 }
 
 static void qxl_primary_atomic_disable(struct drm_plane *plane,
-				       struct drm_plane_state *old_state)
+				       struct drm_atomic_state *state)
 {
+	struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state,
+									   plane);
 	struct qxl_device *qdev = to_qxl(plane->dev);
 
 	if (old_state->fb) {
 		struct qxl_bo *bo = gem_to_qxl_bo(old_state->fb->obj[0]);
 
+		if (bo->shadow)
+			bo = bo->shadow;
 		if (bo->is_primary) {
 			qxl_io_destroy_primary(qdev);
 			bo->is_primary = false;
···
 }
 
 static void qxl_cursor_atomic_update(struct drm_plane *plane,
-				     struct drm_plane_state *old_state)
+				     struct drm_atomic_state *state)
 {
-	struct drm_device *dev = plane->dev;
-	struct qxl_device *qdev = to_qxl(dev);
-	struct drm_framebuffer *fb = plane->state->fb;
-	struct qxl_crtc *qcrtc = to_qxl_crtc(plane->state->crtc);
-	struct qxl_release *release;
-	struct qxl_cursor_cmd *cmd;
-	struct qxl_cursor *cursor;
-	struct drm_gem_object *obj;
-	struct qxl_bo *cursor_bo = NULL, *user_bo = NULL, *old_cursor_bo = NULL;
-	int ret;
-	struct dma_buf_map user_map;
-	struct dma_buf_map cursor_map;
-	void *user_ptr;
-	int size = 64*64*4;
-
-	ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd),
-					 QXL_RELEASE_CURSOR_CMD,
-					 &release, NULL);
-	if (ret)
-		return;
+	struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state,
+									   plane);
+	struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
+									   plane);
+	struct qxl_device *qdev = to_qxl(plane->dev);
+	struct drm_framebuffer *fb = new_state->fb;
 
 	if (fb != old_state->fb) {
-		obj = fb->obj[0];
-		user_bo = gem_to_qxl_bo(obj);
-
-		/* pinning is done in the prepare/cleanup framevbuffer */
-		ret = qxl_bo_kmap(user_bo, &user_map);
-		if (ret)
-			goto out_free_release;
-		user_ptr = user_map.vaddr; /* TODO: Use mapping abstraction properly */
-
-		ret = qxl_alloc_bo_reserved(qdev, release,
-					    sizeof(struct qxl_cursor) + size,
-					    &cursor_bo);
-		if (ret)
-			goto out_kunmap;
-
-		ret = qxl_bo_pin(cursor_bo);
-		if (ret)
-			goto out_free_bo;
-
-		ret = qxl_release_reserve_list(release, true);
-		if (ret)
-			goto out_unpin;
-
-		ret = qxl_bo_kmap(cursor_bo, &cursor_map);
-		if (ret)
-			goto out_backoff;
-		if (cursor_map.is_iomem) /* TODO: Use mapping abstraction properly */
-			cursor = (struct qxl_cursor __force *)cursor_map.vaddr_iomem;
-		else
-			cursor = (struct qxl_cursor *)cursor_map.vaddr;
-
-		cursor->header.unique = 0;
-		cursor->header.type = SPICE_CURSOR_TYPE_ALPHA;
-		cursor->header.width = 64;
-		cursor->header.height = 64;
-		cursor->header.hot_spot_x = fb->hot_x;
-		cursor->header.hot_spot_y = fb->hot_y;
-		cursor->data_size = size;
-		cursor->chunk.next_chunk = 0;
-		cursor->chunk.prev_chunk = 0;
-		cursor->chunk.data_size = size;
-		memcpy(cursor->chunk.data, user_ptr, size);
-		qxl_bo_kunmap(cursor_bo);
-		qxl_bo_kunmap(user_bo);
-
-		cmd = (struct qxl_cursor_cmd *) qxl_release_map(qdev, release);
-		cmd->u.set.visible = 1;
-		cmd->u.set.shape = qxl_bo_physical_address(qdev,
-							   cursor_bo, 0);
-		cmd->type = QXL_CURSOR_SET;
-
-		old_cursor_bo = qcrtc->cursor_bo;
-		qcrtc->cursor_bo = cursor_bo;
-		cursor_bo = NULL;
+		qxl_primary_apply_cursor(qdev, new_state);
 	} else {
-
-		ret = qxl_release_reserve_list(release, true);
-		if (ret)
-			goto out_free_release;
-
-		cmd = (struct qxl_cursor_cmd *) qxl_release_map(qdev, release);
-		cmd->type = QXL_CURSOR_MOVE;
+		qxl_primary_move_cursor(qdev, new_state);
 	}
-
-	cmd->u.position.x = plane->state->crtc_x + fb->hot_x;
-	cmd->u.position.y = plane->state->crtc_y + fb->hot_y;
-
-	qxl_release_unmap(qdev, release, &cmd->release_info);
-	qxl_release_fence_buffer_objects(release);
-	qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
-
-	if (old_cursor_bo != NULL)
-		qxl_bo_unpin(old_cursor_bo);
-	qxl_bo_unref(&old_cursor_bo);
-	qxl_bo_unref(&cursor_bo);
-
-	return;
-
-out_backoff:
-	qxl_release_backoff_reserve_list(release);
-out_unpin:
-	qxl_bo_unpin(cursor_bo);
-out_free_bo:
-	qxl_bo_unref(&cursor_bo);
-out_kunmap:
-	qxl_bo_kunmap(user_bo);
-out_free_release:
-	qxl_release_free(qdev, release);
-	return;
-
 }
 
 static void qxl_cursor_atomic_disable(struct drm_plane *plane,
-				      struct drm_plane_state *old_state)
+				      struct drm_atomic_state *state)
 {
+	struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state,
+									   plane);
 	struct qxl_device *qdev = to_qxl(plane->dev);
+	struct qxl_crtc *qcrtc;
 	struct qxl_release *release;
 	struct qxl_cursor_cmd *cmd;
 	int ret;
···
 
 	qxl_release_fence_buffer_objects(release);
 	qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
+
+	qcrtc = to_qxl_crtc(old_state->crtc);
+	qxl_free_cursor(qcrtc->cursor_bo);
+	qcrtc->cursor_bo = NULL;
 }
 
 static void qxl_update_dumb_head(struct qxl_device *qdev,
···
 		DRM_DEBUG("%dx%d\n", surf->width, surf->height);
 }
 
+static void qxl_prepare_shadow(struct qxl_device *qdev, struct qxl_bo *user_bo,
+			       int crtc_index)
+{
+	struct qxl_surface surf;
+
+	qxl_update_dumb_head(qdev, crtc_index,
+			     user_bo);
+	qxl_calc_dumb_shadow(qdev, &surf);
+	if (!qdev->dumb_shadow_bo ||
+	    qdev->dumb_shadow_bo->surf.width  != surf.width ||
+	    qdev->dumb_shadow_bo->surf.height != surf.height) {
+		if (qdev->dumb_shadow_bo) {
+			drm_gem_object_put
+				(&qdev->dumb_shadow_bo->tbo.base);
+			qdev->dumb_shadow_bo = NULL;
+		}
+		qxl_bo_create(qdev, surf.height * surf.stride,
+			      true, true, QXL_GEM_DOMAIN_SURFACE, 0,
+			      &surf, &qdev->dumb_shadow_bo);
+	}
+	if (user_bo->shadow != qdev->dumb_shadow_bo) {
+		if (user_bo->shadow) {
+			qxl_bo_unpin(user_bo->shadow);
+			drm_gem_object_put
+				(&user_bo->shadow->tbo.base);
+			user_bo->shadow = NULL;
+		}
+		drm_gem_object_get(&qdev->dumb_shadow_bo->tbo.base);
+		user_bo->shadow = qdev->dumb_shadow_bo;
+		qxl_bo_pin(user_bo->shadow);
+	}
+}
+
 static int qxl_plane_prepare_fb(struct drm_plane *plane,
 				struct drm_plane_state *new_state)
 {
 	struct qxl_device *qdev = to_qxl(plane->dev);
 	struct drm_gem_object *obj;
 	struct qxl_bo *user_bo;
-	struct qxl_surface surf;
 
 	if (!new_state->fb)
 		return 0;
···
 
 	if (plane->type == DRM_PLANE_TYPE_PRIMARY &&
 	    user_bo->is_dumb) {
-		qxl_update_dumb_head(qdev, new_state->crtc->index,
-				     user_bo);
-		qxl_calc_dumb_shadow(qdev, &surf);
-		if (!qdev->dumb_shadow_bo ||
-		    qdev->dumb_shadow_bo->surf.width  != surf.width ||
-		    qdev->dumb_shadow_bo->surf.height != surf.height) {
-			if (qdev->dumb_shadow_bo) {
-				drm_gem_object_put
-					(&qdev->dumb_shadow_bo->tbo.base);
-				qdev->dumb_shadow_bo = NULL;
-			}
-			qxl_bo_create(qdev, surf.height * surf.stride,
-				      true, true, QXL_GEM_DOMAIN_SURFACE, &surf,
-				      &qdev->dumb_shadow_bo);
-		}
-		if (user_bo->shadow != qdev->dumb_shadow_bo) {
-			if (user_bo->shadow) {
-				drm_gem_object_put
-					(&user_bo->shadow->tbo.base);
-				user_bo->shadow = NULL;
-			}
-			drm_gem_object_get(&qdev->dumb_shadow_bo->tbo.base);
-			user_bo->shadow = qdev->dumb_shadow_bo;
-		}
+		qxl_prepare_shadow(qdev, user_bo, new_state->crtc->index);
+	}
+
+	if (plane->type == DRM_PLANE_TYPE_CURSOR &&
+	    plane->state->fb != new_state->fb) {
+		struct qxl_crtc *qcrtc = to_qxl_crtc(new_state->crtc);
+		struct qxl_bo *old_cursor_bo = qcrtc->cursor_bo;
+
+		qcrtc->cursor_bo = qxl_create_cursor(qdev, user_bo,
+						     new_state->fb->hot_x,
+						     new_state->fb->hot_y);
+		qxl_free_cursor(old_cursor_bo);
 	}
 
 	return qxl_bo_pin(user_bo);
···
 	qxl_bo_unpin(user_bo);
 
 	if (old_state->fb != plane->state->fb && user_bo->shadow) {
+		qxl_bo_unpin(user_bo->shadow);
 		drm_gem_object_put(&user_bo->shadow->tbo.base);
 		user_bo->shadow = NULL;
 	}
···
 	}
 	qdev->monitors_config_bo = gem_to_qxl_bo(gobj);
 
-	ret = qxl_bo_pin(qdev->monitors_config_bo);
+	ret = qxl_bo_vmap(qdev->monitors_config_bo, &map);
 	if (ret)
 		return ret;
-
-	qxl_bo_kmap(qdev->monitors_config_bo, &map);
 
 	qdev->monitors_config = qdev->monitors_config_bo->kptr;
 	qdev->ram_header->monitors_config =
···
 {
 	int ret;
 
+	if (!qdev->monitors_config_bo)
+		return 0;
+
 	qdev->monitors_config = NULL;
 	qdev->ram_header->monitors_config = 0;
 
-	qxl_bo_kunmap(qdev->monitors_config_bo);
-	ret = qxl_bo_unpin(qdev->monitors_config_bo);
+	ret = qxl_bo_vunmap(qdev->monitors_config_bo);
 	if (ret)
 		return ret;
 
···
 	int i;
 	int ret;
 
-	drm_mode_config_init(&qdev->ddev);
+	ret = drmm_mode_config_init(&qdev->ddev);
+	if (ret)
+		return ret;
 
 	ret = qxl_create_monitors_object(qdev);
 	if (ret)
···
 
 void qxl_modeset_fini(struct qxl_device *qdev)
 {
+	if (qdev->dumb_shadow_bo) {
+		qxl_bo_unpin(qdev->dumb_shadow_bo);
+		drm_gem_object_put(&qdev->dumb_shadow_bo->tbo.base);
+		qdev->dumb_shadow_bo = NULL;
+	}
 	qxl_destroy_monitors_object(qdev);
-	drm_mode_config_cleanup(&qdev->ddev);
 }

drivers/gpu/drm/qxl/qxl_draw.c

···
 	struct qxl_clip_rects *dev_clips;
 	int ret;
 
-	ret = qxl_bo_kmap(clips_bo, &map);
+	ret = qxl_bo_vmap_locked(clips_bo, &map);
 	if (ret)
 		return NULL;
 	dev_clips = map.vaddr; /* TODO: Use mapping abstraction properly */
···
 	if (ret)
 		goto out_release_backoff;
 
-	ret = qxl_bo_kmap(bo, &surface_map);
+	ret = qxl_bo_vmap_locked(bo, &surface_map);
 	if (ret)
 		goto out_release_backoff;
 	surface_base = surface_map.vaddr; /* TODO: Use mapping abstraction properly */
···
 	ret = qxl_image_init(qdev, release, dimage, surface_base,
 			     left - dumb_shadow_offset,
 			     top, width, height, depth, stride);
-	qxl_bo_kunmap(bo);
+	qxl_bo_vunmap_locked(bo);
 	if (ret)
 		goto out_release_backoff;
 
···
 		rects[i].top    = clips_ptr->y1;
 		rects[i].bottom = clips_ptr->y2;
 	}
-	qxl_bo_kunmap(clips_bo);
+	qxl_bo_vunmap_locked(clips_bo);
 
 	qxl_release_fence_buffer_objects(release);
 	qxl_push_command_ring_release(qdev, release, QXL_CMD_DRAW, false);

drivers/gpu/drm/qxl/qxl_drv.h

···
 #define drm_encoder_to_qxl_output(x) container_of(x, struct qxl_output, enc)
 
 struct qxl_mman {
-	struct ttm_bo_device		bdev;
+	struct ttm_device		bdev;
 };
 
 struct qxl_memslot {
···
 	spinlock_t	release_lock;
 	struct idr	release_idr;
 	uint32_t	release_seqno;
+	atomic_t	release_count;
+	wait_queue_head_t release_event;
 	spinlock_t release_idr_lock;
 	struct mutex	async_io_mutex;
 	unsigned int last_sent_io_cmd;
···
 /* qxl ttm */
 int qxl_ttm_init(struct qxl_device *qdev);
 void qxl_ttm_fini(struct qxl_device *qdev);
-int qxl_ttm_io_mem_reserve(struct ttm_bo_device *bdev,
+int qxl_ttm_io_mem_reserve(struct ttm_device *bdev,
 			   struct ttm_resource *mem);
 
 /* qxl image */

drivers/gpu/drm/qxl/qxl_dumb.c

···
 	surf.stride = pitch;
 	surf.format = format;
 	r = qxl_gem_object_create_with_handle(qdev, file_priv,
-					      QXL_GEM_DOMAIN_SURFACE,
+					      QXL_GEM_DOMAIN_CPU,
 					      args->size, &surf, &qobj,
 					      &handle);
 	if (r)

drivers/gpu/drm/qxl/qxl_gem.c

···
 	/* At least align on page size */
 	if (alignment < PAGE_SIZE)
 		alignment = PAGE_SIZE;
-	r = qxl_bo_create(qdev, size, kernel, false, initial_domain, surf, &qbo);
+	r = qxl_bo_create(qdev, size, kernel, false, initial_domain, 0, surf, &qbo);
 	if (r) {
 		if (r != -ERESTARTSYS)
 			DRM_ERROR(

drivers/gpu/drm/qxl/qxl_image.c

···
 			}
 		}
 	}
-	qxl_bo_kunmap(chunk_bo);
+	qxl_bo_vunmap_locked(chunk_bo);
 
 	image_bo = dimage->bo;
 	ptr = qxl_bo_kmap_atomic_page(qdev, image_bo, 0);

drivers/gpu/drm/qxl/qxl_irq.c

···
 	init_waitqueue_head(&qdev->display_event);
 	init_waitqueue_head(&qdev->cursor_event);
 	init_waitqueue_head(&qdev->io_cmd_event);
+	init_waitqueue_head(&qdev->release_event);
 	INIT_WORK(&qdev->client_monitors_config_work,
 		  qxl_client_monitors_config_work_func);
 	atomic_set(&qdev->irq_received, 0);

drivers/gpu/drm/qxl/qxl_kms.c

···
 
 void qxl_device_fini(struct qxl_device *qdev)
 {
-	qxl_bo_unref(&qdev->current_release_bo[0]);
-	qxl_bo_unref(&qdev->current_release_bo[1]);
+	int cur_idx;
+
+	/* check if qxl_device_init() was successful (gc_work is initialized last) */
+	if (!qdev->gc_work.func)
+		return;
+
+	for (cur_idx = 0; cur_idx < 3; cur_idx++) {
+		if (!qdev->current_release_bo[cur_idx])
+			continue;
+		qxl_bo_unpin(qdev->current_release_bo[cur_idx]);
+		qxl_bo_unref(&qdev->current_release_bo[cur_idx]);
+		qdev->current_release_bo_offset[cur_idx] = 0;
+		qdev->current_release_bo[cur_idx] = NULL;
+	}
+
+	/*
+	 * Ask host to release resources (+fill release ring),
+	 * then wait for the release actually happening.
+	 */
+	qxl_io_notify_oom(qdev);
+	wait_event_timeout(qdev->release_event,
+			   atomic_read(&qdev->release_count) == 0,
+			   HZ);
+	flush_work(&qdev->gc_work);
+	qxl_surf_evict(qdev);
+	qxl_vram_evict(qdev);
+
 	qxl_gem_fini(qdev);
 	qxl_bo_fini(qdev);
-	flush_work(&qdev->gc_work);
 	qxl_ring_free(qdev->command_ring);
 	qxl_ring_free(qdev->cursor_ring);
 	qxl_ring_free(qdev->release_ring);

drivers/gpu/drm/qxl/qxl_object.c

···
 #include "qxl_drv.h"
 #include "qxl_object.h"
 
+static int __qxl_bo_pin(struct qxl_bo *bo);
+static void __qxl_bo_unpin(struct qxl_bo *bo);
+
 static void qxl_ttm_bo_destroy(struct ttm_buffer_object *tbo)
 {
 	struct qxl_bo *bo;
···
 	.print_info = drm_gem_ttm_print_info,
 };
 
-int qxl_bo_create(struct qxl_device *qdev,
-		  unsigned long size, bool kernel, bool pinned, u32 domain,
+int qxl_bo_create(struct qxl_device *qdev, unsigned long size,
+		  bool kernel, bool pinned, u32 domain, u32 priority,
 		  struct qxl_surface *surf,
 		  struct qxl_bo **bo_ptr)
 {
···
 
 	qxl_ttm_placement_from_domain(bo, domain);
 
+	bo->tbo.priority = priority;
 	r = ttm_bo_init_reserved(&qdev->mman.bdev, &bo->tbo, size, type,
-				 &bo->placement, 0, &ctx, size,
-				 NULL, NULL, &qxl_ttm_bo_destroy);
+				 &bo->placement, 0, &ctx, NULL, NULL,
+				 &qxl_ttm_bo_destroy);
 	if (unlikely(r != 0)) {
 		if (r != -ERESTARTSYS)
 			dev_err(qdev->ddev.dev,
···
 	return 0;
 }
 
-int qxl_bo_kmap(struct qxl_bo *bo, struct dma_buf_map *map)
+int qxl_bo_vmap_locked(struct qxl_bo *bo, struct dma_buf_map *map)
 {
 	int r;
+
+	dma_resv_assert_held(bo->tbo.base.resv);
 
 	if (bo->kptr) {
 		bo->map_count++;
···
 out:
 	*map = bo->map;
 	return 0;
+}
+
+int qxl_bo_vmap(struct qxl_bo *bo, struct dma_buf_map *map)
+{
+	int r;
+
+	r = qxl_bo_reserve(bo);
+	if (r)
+		return r;
+
+	r = __qxl_bo_pin(bo);
+	if (r) {
+		qxl_bo_unreserve(bo);
+		return r;
+	}
+
+	r = qxl_bo_vmap_locked(bo, map);
+	qxl_bo_unreserve(bo);
+	return r;
 }
 
 void *qxl_bo_kmap_atomic_page(struct qxl_device *qdev,
···
 		return rptr;
 	}
 
-	ret = qxl_bo_kmap(bo, &bo_map);
+	ret = qxl_bo_vmap_locked(bo, &bo_map);
 	if (ret)
 		return NULL;
 	rptr = bo_map.vaddr; /* TODO: Use mapping abstraction properly */
···
 	return rptr;
 }
 
-void qxl_bo_kunmap(struct qxl_bo *bo)
+void qxl_bo_vunmap_locked(struct qxl_bo *bo)
 {
+	dma_resv_assert_held(bo->tbo.base.resv);
+
 	if (bo->kptr == NULL)
 		return;
 	bo->map_count--;
···
 		return;
 	bo->kptr = NULL;
 	ttm_bo_vunmap(&bo->tbo, &bo->map);
+}
+
+int qxl_bo_vunmap(struct qxl_bo *bo)
+{
+	int r;
+
+	r = qxl_bo_reserve(bo);
+	if (r)
+		return r;
+
+	qxl_bo_vunmap_locked(bo);
+	__qxl_bo_unpin(bo);
+	qxl_bo_unreserve(bo);
+	return 0;
 }
 
 void qxl_bo_kunmap_atomic_page(struct qxl_device *qdev,
···
 	io_mapping_unmap_atomic(pmap);
 	return;
  fallback:
-	qxl_bo_kunmap(bo);
+	qxl_bo_vunmap_locked(bo);
 }
 
 void qxl_bo_unref(struct qxl_bo **bo)

drivers/gpu/drm/qxl/qxl_object.h

···
 extern int qxl_bo_create(struct qxl_device *qdev,
 			 unsigned long size,
 			 bool kernel, bool pinned, u32 domain,
+			 u32 priority,
 			 struct qxl_surface *surf,
 			 struct qxl_bo **bo_ptr);
-extern int qxl_bo_kmap(struct qxl_bo *bo, struct dma_buf_map *map);
-extern void qxl_bo_kunmap(struct qxl_bo *bo);
+int qxl_bo_vmap(struct qxl_bo *bo, struct dma_buf_map *map);
+int qxl_bo_vmap_locked(struct qxl_bo *bo, struct dma_buf_map *map);
+int qxl_bo_vunmap(struct qxl_bo *bo);
+void qxl_bo_vunmap_locked(struct qxl_bo *bo);
 void *qxl_bo_kmap_atomic_page(struct qxl_device *qdev, struct qxl_bo *bo, int page_offset);
 void qxl_bo_kunmap_atomic_page(struct qxl_device *qdev, struct qxl_bo *bo, void *map);
 extern struct qxl_bo *qxl_bo_ref(struct qxl_bo *bo);

drivers/gpu/drm/qxl/qxl_prime.c

···
 	struct qxl_bo *bo = gem_to_qxl_bo(obj);
 	int ret;
 
-	ret = qxl_bo_kmap(bo, map);
+	ret = qxl_bo_vmap(bo, map);
 	if (ret < 0)
 		return ret;
 
···
 {
 	struct qxl_bo *bo = gem_to_qxl_bo(obj);
 
-	qxl_bo_kunmap(bo);
+	qxl_bo_vunmap(bo);
 }
 
 int qxl_gem_prime_mmap(struct drm_gem_object *obj,

drivers/gpu/drm/qxl/qxl_release.c

···
 			   signed long timeout)
 {
 	struct qxl_device *qdev;
-	struct qxl_release *release;
-	int count = 0, sc = 0;
-	bool have_drawable_releases;
 	unsigned long cur, end = jiffies + timeout;
 
 	qdev = container_of(fence->lock, struct qxl_device, release_lock);
-	release = container_of(fence, struct qxl_release, base);
-	have_drawable_releases = release->type == QXL_RELEASE_DRAWABLE;
 
-retry:
-	sc++;
+	if (!wait_event_timeout(qdev->release_event,
+				(dma_fence_is_signaled(fence) ||
+				 (qxl_io_notify_oom(qdev), 0)),
+				timeout))
+		return 0;
 
-	if (dma_fence_is_signaled(fence))
-		goto signaled;
-
-	qxl_io_notify_oom(qdev);
-
-	for (count = 0; count < 11; count++) {
-		if (!qxl_queue_garbage_collect(qdev, true))
-			break;
-
-		if (dma_fence_is_signaled(fence))
-			goto signaled;
-	}
-
-	if (dma_fence_is_signaled(fence))
-		goto signaled;
-
-	if (have_drawable_releases || sc < 4) {
-		if (sc > 2)
-			/* back off */
-			usleep_range(500, 1000);
-
-		if (time_after(jiffies, end))
-			return 0;
-
-		if (have_drawable_releases && sc > 300) {
-			DMA_FENCE_WARN(fence, "failed to wait on release %llu "
-				       "after spincount %d\n",
-				       fence->context & ~0xf0000000, sc);
-			goto signaled;
-		}
-		goto retry;
-	}
-	/*
-	 * yeah, original sync_obj_wait gave up after 3 spins when
-	 * have_drawable_releases is not set.
-	 */
-
-signaled:
 	cur = jiffies;
 	if (time_after(cur, end))
 		return 0;
···
 		qxl_release_free_list(release);
 		kfree(release);
 	}
+	atomic_dec(&qdev->release_count);
 }
 
 static int qxl_release_bo_alloc(struct qxl_device *qdev,
-				struct qxl_bo **bo)
+				struct qxl_bo **bo,
+				u32 priority)
 {
 	/* pin releases bo's they are too messy to evict */
 	return qxl_bo_create(qdev, PAGE_SIZE, false, true,
-			     QXL_GEM_DOMAIN_VRAM, NULL, bo);
+			     QXL_GEM_DOMAIN_VRAM, priority, NULL, bo);
 }
 
 int qxl_release_list_add(struct qxl_release *release, struct qxl_bo *bo)
···
 	int ret = 0;
 	union qxl_release_info *info;
 	int cur_idx;
+	u32 priority;
 
-	if (type == QXL_RELEASE_DRAWABLE)
+	if (type == QXL_RELEASE_DRAWABLE) {
 		cur_idx = 0;
-	else if (type == QXL_RELEASE_SURFACE_CMD)
+		priority = 0;
+	} else if (type == QXL_RELEASE_SURFACE_CMD) {
 		cur_idx = 1;
-	else if (type == QXL_RELEASE_CURSOR_CMD)
+		priority = 1;
+	} else if (type == QXL_RELEASE_CURSOR_CMD) {
 		cur_idx = 2;
+		priority = 1;
+	}
 	else {
 		DRM_ERROR("got illegal type: %d\n", type);
 		return -EINVAL;
···
 			*rbo = NULL;
 		return idr_ret;
 	}
+	atomic_inc(&qdev->release_count);
 
 	mutex_lock(&qdev->release_mutex);
 	if (qdev->current_release_bo_offset[cur_idx] + 1 >= releases_per_bo[cur_idx]) {
···
 		qdev->current_release_bo[cur_idx] = NULL;
 	}
 	if (!qdev->current_release_bo[cur_idx]) {
-		ret = qxl_release_bo_alloc(qdev, &qdev->current_release_bo[cur_idx]);
+		ret = qxl_release_bo_alloc(qdev, &qdev->current_release_bo[cur_idx], priority);
 		if (ret) {
 			mutex_unlock(&qdev->release_mutex);
 			if (free_bo) {
···
 void qxl_release_fence_buffer_objects(struct qxl_release *release)
 {
 	struct ttm_buffer_object *bo;
-	struct ttm_bo_device *bdev;
+	struct ttm_device *bdev;
 	struct ttm_validate_buffer *entry;
 	struct qxl_device *qdev;
 
···
 		       release->id | 0xf0000000, release->base.seqno);
 	trace_dma_fence_emit(&release->base);
 
-	spin_lock(&ttm_bo_glob.lru_lock);
+	spin_lock(&ttm_glob.lru_lock);
 
 	list_for_each_entry(entry, &release->bos, head) {
 		bo = entry->bo;
···
 		ttm_bo_move_to_lru_tail(bo, &bo->mem, NULL);
 		dma_resv_unlock(bo->base.resv);
 	}
-	spin_unlock(&ttm_bo_glob.lru_lock);
+	spin_unlock(&ttm_glob.lru_lock);
 	ww_acquire_fini(&release->ticket);
 }
 

drivers/gpu/drm/qxl/qxl_ttm.c

···
 #include "qxl_drv.h"
 #include "qxl_object.h"
 
-static struct qxl_device *qxl_get_qdev(struct ttm_bo_device *bdev)
+static struct qxl_device *qxl_get_qdev(struct ttm_device *bdev)
 {
 	struct qxl_mman *mman;
 	struct qxl_device *qdev;
···
 	*placement = qbo->placement;
 }
 
-int qxl_ttm_io_mem_reserve(struct ttm_bo_device *bdev,
+int qxl_ttm_io_mem_reserve(struct ttm_device *bdev,
 			   struct ttm_resource *mem)
 {
 	struct qxl_device *qdev = qxl_get_qdev(bdev);
···
 /*
  * TTM backend functions.
  */
-static void qxl_ttm_backend_destroy(struct ttm_bo_device *bdev,
-				    struct ttm_tt *ttm)
+static void qxl_ttm_backend_destroy(struct ttm_device *bdev, struct ttm_tt *ttm)
 {
 	ttm_tt_destroy_common(bdev, ttm);
 	ttm_tt_fini(ttm);
···
 	qxl_bo_move_notify(bo, false, NULL);
 }
 
-static struct ttm_bo_driver qxl_bo_driver = {
+static struct ttm_device_funcs qxl_bo_driver = {
 	.ttm_tt_create = &qxl_ttm_tt_create,
 	.ttm_tt_destroy = &qxl_ttm_backend_destroy,
 	.eviction_valuable = ttm_bo_eviction_valuable,
···
 	int num_io_pages; /* != rom->num_io_pages, we include surface0 */
 
 	/* No others user of address space so set it to 0 */
-	r = ttm_bo_device_init(&qdev->mman.bdev, &qxl_bo_driver, NULL,
-			       qdev->ddev.anon_inode->i_mapping,
-			       qdev->ddev.vma_offset_manager,
-			       false, false);
+	r = ttm_device_init(&qdev->mman.bdev, &qxl_bo_driver, NULL,
+			    qdev->ddev.anon_inode->i_mapping,
+			    qdev->ddev.vma_offset_manager,
+			    false, false);
 	if (r) {
 		DRM_ERROR("failed initializing buffer object driver(%d).\n", r);
 		return r;
···
 {
 	ttm_range_man_fini(&qdev->mman.bdev, TTM_PL_VRAM);
 	ttm_range_man_fini(&qdev->mman.bdev, TTM_PL_PRIV);
-	ttm_bo_device_release(&qdev->mman.bdev);
+	ttm_device_fini(&qdev->mman.bdev);
 	DRM_INFO("qxl: ttm finalized\n");
 }
 

drivers/gpu/drm/radeon/atombios_crtc.c

···
 	u32 tmp, viewport_w, viewport_h;
 	int r;
 	bool bypass_lut = false;
-	struct drm_format_name_buf format_name;
 
 	/* no fb bound */
 	if (!atomic && !crtc->primary->fb) {
···
 #endif
 		break;
 	default:
-		DRM_ERROR("Unsupported screen format %s\n",
-		          drm_get_format_name(target_fb->format->format, &format_name));
+		DRM_ERROR("Unsupported screen format %p4cc\n",
+			  &target_fb->format->format);
 		return -EINVAL;
 	}
 
···
 	u32 viewport_w, viewport_h;
 	int r;
 	bool bypass_lut = false;
-	struct drm_format_name_buf format_name;
 
 	/* no fb bound */
 	if (!atomic && !crtc->primary->fb) {
···
 #endif
 		break;
 	default:
-		DRM_ERROR("Unsupported screen format %s\n",
-		          drm_get_format_name(target_fb->format->format, &format_name));
+		DRM_ERROR("Unsupported screen format %p4cc\n",
+			  &target_fb->format->format);
 		return -EINVAL;
 	}
 

drivers/gpu/drm/radeon/radeon.h

···
  * TTM.
  */
 struct radeon_mman {
-	struct ttm_bo_device		bdev;
+	struct ttm_device		bdev;
 	bool				initialized;
 
 #if defined(CONFIG_DEBUG_FS)
···
 				     uint32_t flags);
 extern bool radeon_ttm_tt_has_userptr(struct radeon_device *rdev, struct ttm_tt *ttm);
 extern bool radeon_ttm_tt_is_readonly(struct radeon_device *rdev, struct ttm_tt *ttm);
-bool radeon_ttm_tt_is_bound(struct ttm_bo_device *bdev, struct ttm_tt *ttm);
+bool radeon_ttm_tt_is_bound(struct ttm_device *bdev, struct ttm_tt *ttm);
 extern void radeon_vram_location(struct radeon_device *rdev, struct radeon_mc *mc, u64 base);
 extern void radeon_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc);
 extern int radeon_resume_kms(struct drm_device *dev, bool resume, bool fbcon);
···
 extern void radeon_program_register_sequence(struct radeon_device *rdev,
 					     const u32 *registers,
 					     const u32 array_size);
-struct radeon_device *radeon_get_rdev(struct ttm_bo_device *bdev);
+struct radeon_device *radeon_get_rdev(struct ttm_device *bdev);
 
 /* KMS */
 

drivers/gpu/drm/radeon/radeon_object.c

···
 	struct radeon_bo *bo;
 	enum ttm_bo_type type;
 	unsigned long page_align = roundup(byte_align, PAGE_SIZE) >> PAGE_SHIFT;
-	size_t acc_size;
 	int r;
 
 	size = ALIGN(size, PAGE_SIZE);
···
 		type = ttm_bo_type_device;
 	}
 	*bo_ptr = NULL;
-
-	acc_size = ttm_bo_dma_acc_size(&rdev->mman.bdev, size,
-				       sizeof(struct radeon_bo));
 
 	bo = kzalloc(sizeof(struct radeon_bo), GFP_KERNEL);
 	if (bo == NULL)
···
 	/* Kernel allocation are uninterruptible */
 	down_read(&rdev->pm.mclk_lock);
 	r = ttm_bo_init(&rdev->mman.bdev, &bo->tbo, size, type,
-			&bo->placement, page_align, !kernel, acc_size,
-			sg, resv, &radeon_ttm_bo_destroy);
+			&bo->placement, page_align, !kernel, sg, resv,
+			&radeon_ttm_bo_destroy);
 	up_read(&rdev->pm.mclk_lock);
 	if (unlikely(r != 0)) {
 		return r;
···
 
 int radeon_bo_evict_vram(struct radeon_device *rdev)
 {
-	struct ttm_bo_device *bdev = &rdev->mman.bdev;
+	struct ttm_device *bdev = &rdev->mman.bdev;
 	struct ttm_resource_manager *man;
 
 	/* late 2.6.33 fix IGP hibernate - we need pm ops to do this correct */

drivers/gpu/drm/radeon/radeon_ttm.c

···
 static int radeon_ttm_debugfs_init(struct radeon_device *rdev);
 static void radeon_ttm_debugfs_fini(struct radeon_device *rdev);
 
-static int radeon_ttm_tt_bind(struct ttm_bo_device *bdev,
-			      struct ttm_tt *ttm,
+static int radeon_ttm_tt_bind(struct ttm_device *bdev, struct ttm_tt *ttm,
 			      struct ttm_resource *bo_mem);
-static void radeon_ttm_tt_unbind(struct ttm_bo_device *bdev,
-				 struct ttm_tt *ttm);
+static void radeon_ttm_tt_unbind(struct ttm_device *bdev, struct ttm_tt *ttm);
 
-struct radeon_device *radeon_get_rdev(struct ttm_bo_device *bdev)
+struct radeon_device *radeon_get_rdev(struct ttm_device *bdev)
 {
 	struct radeon_mman *mman;
 	struct radeon_device *rdev;
···
 	return 0;
 }
 
-static int radeon_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_resource *mem)
+static int radeon_ttm_io_mem_reserve(struct ttm_device *bdev, struct ttm_resource *mem)
 {
 	struct radeon_device *rdev = radeon_get_rdev(bdev);
 	size_t bus_size = (size_t)mem->num_pages << PAGE_SHIFT;
···
 };
 
 /* prepare the sg table with the user pages */
-static int radeon_ttm_tt_pin_userptr(struct ttm_bo_device *bdev, struct ttm_tt *ttm)
+static int radeon_ttm_tt_pin_userptr(struct ttm_device *bdev, struct ttm_tt *ttm)
 {
 	struct radeon_device *rdev = radeon_get_rdev(bdev);
 	struct radeon_ttm_tt *gtt = (void *)ttm;
···
 	return r;
 }
 
-static void radeon_ttm_tt_unpin_userptr(struct ttm_bo_device *bdev, struct ttm_tt *ttm)
+static void radeon_ttm_tt_unpin_userptr(struct ttm_device *bdev, struct ttm_tt *ttm)
 {
 	struct radeon_device *rdev = radeon_get_rdev(bdev);
 	struct radeon_ttm_tt *gtt = (void *)ttm;
···
 	return (gtt->bound);
 }
 
-static int radeon_ttm_backend_bind(struct ttm_bo_device *bdev,
+static int radeon_ttm_backend_bind(struct ttm_device *bdev,
 				   struct ttm_tt *ttm,
 				   struct ttm_resource *bo_mem)
 {
···
 	return 0;
 }
 
-static void radeon_ttm_backend_unbind(struct ttm_bo_device *bdev, struct ttm_tt *ttm)
+static void radeon_ttm_backend_unbind(struct ttm_device *bdev, struct ttm_tt *ttm)
 {
 	struct radeon_ttm_tt *gtt = (void *)ttm;
 	struct radeon_device *rdev = radeon_get_rdev(bdev);
···
 	gtt->bound = false;
 }
 
-static void radeon_ttm_backend_destroy(struct ttm_bo_device *bdev, struct ttm_tt *ttm)
+static void radeon_ttm_backend_destroy(struct ttm_device *bdev, struct ttm_tt *ttm)
 {
 	struct radeon_ttm_tt *gtt = (void *)ttm;
 
···
 	return container_of(ttm, struct radeon_ttm_tt, ttm);
 }
 
-static int radeon_ttm_tt_populate(struct ttm_bo_device *bdev,
+static int radeon_ttm_tt_populate(struct ttm_device *bdev,
 				  struct ttm_tt *ttm,
 				  struct ttm_operation_ctx *ctx)
 {
···
 	return ttm_pool_alloc(&rdev->mman.bdev.pool, ttm, ctx);
 }
 
-static void radeon_ttm_tt_unpopulate(struct ttm_bo_device *bdev, struct ttm_tt *ttm)
+static void radeon_ttm_tt_unpopulate(struct ttm_device *bdev, struct ttm_tt *ttm)
 {
 	struct radeon_device *rdev = radeon_get_rdev(bdev);
 	struct radeon_ttm_tt *gtt = radeon_ttm_tt_to_gtt(rdev, ttm);
···
 	return 0;
 }
 
-bool radeon_ttm_tt_is_bound(struct ttm_bo_device *bdev,
+bool radeon_ttm_tt_is_bound(struct ttm_device *bdev,
 			    struct ttm_tt *ttm)
 {
 #if IS_ENABLED(CONFIG_AGP)
···
 	return radeon_ttm_backend_is_bound(ttm);
 }
 
-static int radeon_ttm_tt_bind(struct ttm_bo_device *bdev,
+static int radeon_ttm_tt_bind(struct ttm_device *bdev,
 			      struct ttm_tt *ttm,
 			      struct ttm_resource *bo_mem)
 {
···
 	return radeon_ttm_backend_bind(bdev, ttm, bo_mem);
 }
 
-static void radeon_ttm_tt_unbind(struct ttm_bo_device *bdev,
+static void radeon_ttm_tt_unbind(struct ttm_device *bdev,
 				 struct ttm_tt *ttm)
 {
 #if IS_ENABLED(CONFIG_AGP)
···
 	radeon_ttm_backend_unbind(bdev, ttm);
 }
 
-static void radeon_ttm_tt_destroy(struct ttm_bo_device *bdev,
+static void radeon_ttm_tt_destroy(struct ttm_device *bdev,
 				  struct ttm_tt *ttm)
 {
 #if IS_ENABLED(CONFIG_AGP)
···
 	radeon_bo_move_notify(bo, false, NULL);
 }
 
-static struct ttm_bo_driver radeon_bo_driver = {
+static struct ttm_device_funcs radeon_bo_driver = {
 	.ttm_tt_create = &radeon_ttm_tt_create,
 	.ttm_tt_populate = &radeon_ttm_tt_populate,
 	.ttm_tt_unpopulate = &radeon_ttm_tt_unpopulate,
···
 	int r;
 
 	/* No others user of address space so set it to 0 */
-	r = ttm_bo_device_init(&rdev->mman.bdev, &radeon_bo_driver, rdev->dev,
+	r = ttm_device_init(&rdev->mman.bdev, &radeon_bo_driver, rdev->dev,
 			       rdev->ddev->anon_inode->i_mapping,
 			       rdev->ddev->vma_offset_manager,
 			       rdev->need_swiotlb,
···
 	}
 	ttm_range_man_fini(&rdev->mman.bdev, TTM_PL_VRAM);
 	ttm_range_man_fini(&rdev->mman.bdev, TTM_PL_TT);
-	ttm_bo_device_release(&rdev->mman.bdev);
+	ttm_device_fini(&rdev->mman.bdev);
 	radeon_gart_fini(rdev);
 	rdev->mman.initialized = false;
 	DRM_INFO("radeon: ttm finalized\n");
···
 	return ret;
 }
 
-static struct vm_operations_struct radeon_ttm_vm_ops = {
+static const struct vm_operations_struct radeon_ttm_vm_ops = {
 	.fault = radeon_ttm_fault,
 	.open = ttm_bo_vm_open,
 	.close = ttm_bo_vm_close,

drivers/gpu/drm/rcar-du/rcar_du_plane.c

···
 }
 
 static int rcar_du_plane_atomic_check(struct drm_plane *plane,
-				      struct drm_plane_state *state)
+				      struct drm_atomic_state *state)
 {
-	struct rcar_du_plane_state *rstate = to_rcar_plane_state(state);
+	struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
+										 plane);
+	struct rcar_du_plane_state *rstate = to_rcar_plane_state(new_plane_state);
 
-	return __rcar_du_plane_atomic_check(plane, state, &rstate->format);
+	return __rcar_du_plane_atomic_check(plane, new_plane_state,
+					    &rstate->format);
 }
 
 static void rcar_du_plane_atomic_update(struct drm_plane *plane,
-					struct drm_plane_state *old_state)
+					struct drm_atomic_state *state)
 {
+	struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state, plane);
+	struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state, plane);
 	struct rcar_du_plane *rplane = to_rcar_plane(plane);
 	struct rcar_du_plane_state *old_rstate;
 	struct rcar_du_plane_state *new_rstate;
 
-	if (!plane->state->visible)
+	if (!new_state->visible)
 		return;
 
 	rcar_du_plane_setup(rplane);
···
 	 * bit. We thus need to restart the group if the source changes.
 	 */
 	old_rstate = to_rcar_plane_state(old_state);
-	new_rstate = to_rcar_plane_state(plane->state);
+	new_rstate = to_rcar_plane_state(new_state);
 
 	if ((old_rstate->source == RCAR_DU_PLANE_MEMORY) !=
 	    (new_rstate->source == RCAR_DU_PLANE_MEMORY))

drivers/gpu/drm/rcar-du/rcar_du_vsp.c

···
  * Contact: Laurent Pinchart ([e-mail])
  */
 
+#include <drm/drm_atomic.h>
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_crtc.h>
 #include <drm/drm_fb_cma_helper.h>
 #include <drm/drm_fourcc.h>
+#include <drm/drm_gem_atomic_helper.h>
 #include <drm/drm_gem_cma_helper.h>
-#include <drm/drm_gem_framebuffer_helper.h>
 #include <drm/drm_managed.h>
 #include <drm/drm_plane_helper.h>
 #include <drm/drm_vblank.h>
···
 	if (ret < 0)
 		return ret;
 
-	return drm_gem_fb_prepare_fb(plane, state);
+	return drm_gem_plane_helper_prepare_fb(plane, state);
 }
 
 void rcar_du_vsp_unmap_fb(struct rcar_du_vsp *vsp, struct drm_framebuffer *fb,
···
 }
 
 static int rcar_du_vsp_plane_atomic_check(struct drm_plane *plane,
-					  struct drm_plane_state *state)
+					  struct drm_atomic_state *state)
 {
-	struct rcar_du_vsp_plane_state *rstate = to_rcar_vsp_plane_state(state);
+	struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
+										 plane);
+	struct rcar_du_vsp_plane_state *rstate = to_rcar_vsp_plane_state(new_plane_state);
 
-	return __rcar_du_plane_atomic_check(plane, state, &rstate->format);
+	return __rcar_du_plane_atomic_check(plane, new_plane_state,
+					    &rstate->format);
 }
 
 static void rcar_du_vsp_plane_atomic_update(struct drm_plane *plane,
-					struct drm_plane_state *old_state)
+					struct drm_atomic_state *state)
 {
+	struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state, plane);
+	struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state, plane);
 	struct rcar_du_vsp_plane *rplane = to_rcar_vsp_plane(plane);
 	struct rcar_du_crtc *crtc = to_rcar_crtc(old_state->crtc);
 
-	if (plane->state->visible)
+	if (new_state->visible)
 		rcar_du_vsp_plane_setup(rplane);
 	else if (old_state->crtc)
 		vsp1_du_atomic_update(rplane->vsp->vsp, crtc->vsp_pipe,

drivers/gpu/drm/rockchip/rockchip_drm_vop.c

···
 #include <drm/drm_crtc.h>
 #include <drm/drm_flip_work.h>
 #include <drm/drm_fourcc.h>
+#include <drm/drm_gem_atomic_helper.h>
 #include <drm/drm_gem_framebuffer_helper.h>
 #include <drm/drm_plane_helper.h>
 #include <drm/drm_probe_helper.h>
···
 }
 
 static int vop_plane_atomic_check(struct drm_plane *plane,
-			   struct drm_plane_state *state)
+			   struct drm_atomic_state *state)
 {
-	struct drm_crtc *crtc = state->crtc;
+	struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
+										 plane);
+	struct drm_crtc *crtc = new_plane_state->crtc;
 	struct drm_crtc_state *crtc_state;
-	struct drm_framebuffer *fb = state->fb;
+	struct drm_framebuffer *fb = new_plane_state->fb;
 	struct vop_win *vop_win = to_vop_win(plane);
 	const struct vop_win_data *win = vop_win->data;
 	int ret;
···
 	if (!crtc || WARN_ON(!fb))
 		return 0;
 
-	crtc_state = drm_atomic_get_existing_crtc_state(state->state, crtc);
+	crtc_state = drm_atomic_get_existing_crtc_state(state,
+							crtc);
 	if (WARN_ON(!crtc_state))
 		return -EINVAL;
 
-	ret = drm_atomic_helper_check_plane_state(state, crtc_state,
+	ret = drm_atomic_helper_check_plane_state(new_plane_state, crtc_state,
 						  min_scale, max_scale,
 						  true, true);
 	if (ret)
 		return ret;
 
-	if (!state->visible)
+	if (!new_plane_state->visible)
 		return 0;
 
 	ret = vop_convert_format(fb->format->format);
···
 	 * Src.x1 can be odd when do clip, but yuv plane start point
 	 * need align with 2 pixel.
 	 */
-	if (fb->format->is_yuv && ((state->src.x1 >> 16) % 2)) {
+	if (fb->format->is_yuv && ((new_plane_state->src.x1 >> 16) % 2)) {
 		DRM_ERROR("Invalid Source: Yuv format not support odd xpos\n");
 		return -EINVAL;
 	}
 
-	if (fb->format->is_yuv && state->rotation & DRM_MODE_REFLECT_Y) {
+	if (fb->format->is_yuv && new_plane_state->rotation & DRM_MODE_REFLECT_Y) {
 		DRM_ERROR("Invalid Source: Yuv format does not support this rotation\n");
 		return -EINVAL;
 	}
···
 		if (ret < 0)
 			return ret;
 
-		if (state->src.x1 || state->src.y1) {
-			DRM_ERROR("AFBC does not support offset display, xpos=%d, ypos=%d, offset=%d\n", state->src.x1, state->src.y1, fb->offsets[0]);
+		if (new_plane_state->src.x1 || new_plane_state->src.y1) {
+			DRM_ERROR("AFBC does not support offset display, xpos=%d, ypos=%d, offset=%d\n",
+				  new_plane_state->src.x1,
+				  new_plane_state->src.y1, fb->offsets[0]);
 			return -EINVAL;
 		}
 
-		if (state->rotation && state->rotation != DRM_MODE_ROTATE_0) {
+		if (new_plane_state->rotation && new_plane_state->rotation != DRM_MODE_ROTATE_0) {
 			DRM_ERROR("No rotation support in AFBC, rotation=%d\n",
-				  state->rotation);
+				  new_plane_state->rotation);
 			return -EINVAL;
 		}
 	}
···
 }
 
 static void vop_plane_atomic_disable(struct drm_plane *plane,
-				     struct drm_plane_state *old_state)
+				     struct drm_atomic_state *state)
 {
+	struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state,
+									   plane);
 	struct vop_win *vop_win = to_vop_win(plane);
 	struct vop *vop = to_vop(old_state->crtc);
 
···
 }
 
 static void vop_plane_atomic_update(struct drm_plane *plane,
-		struct drm_plane_state *old_state)
+		struct drm_atomic_state *state)
 {
-	struct drm_plane_state *state = plane->state;
-	struct drm_crtc *crtc = state->crtc;
+	struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state,
+									   plane);
+	struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
+									   plane);
+	struct drm_crtc *crtc = new_state->crtc;
 	struct vop_win *vop_win = to_vop_win(plane);
 	const struct vop_win_data *win = vop_win->data;
 	const struct vop_win_yuv2yuv_data *win_yuv2yuv = vop_win->yuv2yuv_data;
-	struct vop *vop = to_vop(state->crtc);
-	struct drm_framebuffer *fb = state->fb;
+	struct vop *vop = to_vop(new_state->crtc);
+	struct drm_framebuffer *fb = new_state->fb;
 	unsigned int actual_w, actual_h;
 	unsigned int dsp_stx, dsp_sty;
 	uint32_t act_info, dsp_info, dsp_st;
-	struct drm_rect *src = &state->src;
-	struct drm_rect *dest = &state->dst;
+	struct drm_rect *src = &new_state->src;
+	struct drm_rect *dest = &new_state->dst;
 	struct drm_gem_object *obj, *uv_obj;
 	struct rockchip_gem_object *rk_obj, *rk_uv_obj;
 	unsigned long offset;
···
 	if (WARN_ON(!vop->is_enabled))
 		return;
 
-	if (!state->visible) {
-		vop_plane_atomic_disable(plane, old_state);
+	if (!new_state->visible) {
+		vop_plane_atomic_disable(plane, state);
 		return;
 	}
 
···
 	 * For y-mirroring we need to move address
 	 * to the beginning of the last line.
 	 */
-	if (state->rotation & DRM_MODE_REFLECT_Y)
+	if (new_state->rotation & DRM_MODE_REFLECT_Y)
 		dma_addr += (actual_h - 1) * fb->pitches[0];
 
 	format = vop_convert_format(fb->format->format);
···
 	VOP_WIN_SET(vop, win, yrgb_mst, dma_addr);
 	VOP_WIN_YUV2YUV_SET(vop, win_yuv2yuv, y2r_en, is_yuv);
 	VOP_WIN_SET(vop, win, y_mir_en,
-		    (state->rotation & DRM_MODE_REFLECT_Y) ? 1 : 0);
+		    (new_state->rotation & DRM_MODE_REFLECT_Y) ? 1 : 0);
 	VOP_WIN_SET(vop, win, x_mir_en,
-		    (state->rotation & DRM_MODE_REFLECT_X) ? 1 : 0);
+		    (new_state->rotation & DRM_MODE_REFLECT_X) ? 1 : 0);
 
 	if (is_yuv) {
 		int hsub = fb->format->hsub;
···
 }
 
 static int vop_plane_atomic_async_check(struct drm_plane *plane,
-					struct drm_plane_state *state)
+					struct drm_atomic_state *state)
 {
+	struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
+										 plane);
 	struct vop_win *vop_win = to_vop_win(plane);
 	const struct vop_win_data *win = vop_win->data;
 	int min_scale = win->phy->scl ? FRAC_16_16(1, 8) :
···
 					DRM_PLANE_HELPER_NO_SCALING;
 	struct drm_crtc_state *crtc_state;
 
-	if (plane != state->crtc->cursor)
+	if (plane != new_plane_state->crtc->cursor)
 		return -EINVAL;
 
 	if (!plane->state)
···
 	if (!plane->state->fb)
 		return -EINVAL;
 
-	if (state->state)
-		crtc_state = drm_atomic_get_existing_crtc_state(state->state,
-								state->crtc);
+	if (state)
+		crtc_state = drm_atomic_get_existing_crtc_state(state,
+								new_plane_state->crtc);
 	else /* Special case for asynchronous cursor updates. */
 		crtc_state = plane->crtc->state;
 
···
 }
 
 static void vop_plane_atomic_async_update(struct drm_plane *plane,
-					  struct drm_plane_state *new_state)
+					  struct drm_atomic_state *state)
 {
+	struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
+									   plane);
 	struct vop *vop = to_vop(plane->state->crtc);
 	struct drm_framebuffer *old_fb = plane->state->fb;
 
···
 	swap(plane->state->fb, new_state->fb);
 
 	if (vop->is_enabled) {
-		vop_plane_atomic_update(plane, plane->state);
+		vop_plane_atomic_update(plane, state);
 		spin_lock(&vop->reg_lock);
 		vop_cfg_done(vop);
 		spin_unlock(&vop->reg_lock);
···
 	.atomic_disable = vop_plane_atomic_disable,
 	.atomic_async_check = vop_plane_atomic_async_check,
 	.atomic_async_update = vop_plane_atomic_async_update,
-	.prepare_fb = drm_gem_fb_prepare_fb,
+	.prepare_fb = drm_gem_plane_helper_prepare_fb,
 };
 
 static const struct drm_plane_funcs vop_plane_funcs = {

drivers/gpu/drm/rockchip/rockchip_lvds.c

···
 
 static int rockchip_lvds_remove(struct platform_device *pdev)
 {
-	struct rockchip_lvds *lvds = dev_get_drvdata(&pdev->dev);
+	struct rockchip_lvds *lvds = platform_get_drvdata(pdev);
 
 	component_del(&pdev->dev, &rockchip_lvds_component_ops);
 	clk_unprepare(lvds->pclk);

drivers/gpu/drm/scheduler/sched_entity.c

···
 	bool first;
 
 	trace_drm_sched_job(sched_job, entity);
-	atomic_inc(&entity->rq->sched->score);
+	atomic_inc(entity->rq->sched->score);
 	WRITE_ONCE(entity->last_user, current->group_leader);
 	first = spsc_queue_push(&entity->job_queue, &sched_job->queue_node);
 

drivers/gpu/drm/scheduler/sched_main.c

···
 	if (!list_empty(&entity->list))
 		return;
 	spin_lock(&rq->lock);
-	atomic_inc(&rq->sched->score);
+	atomic_inc(rq->sched->score);
 	list_add_tail(&entity->list, &rq->entities);
 	spin_unlock(&rq->lock);
 }
···
 	if (list_empty(&entity->list))
 		return;
 	spin_lock(&rq->lock);
-	atomic_dec(&rq->sched->score);
+	atomic_dec(rq->sched->score);
 	list_del_init(&entity->list);
 	if (rq->current_entity == entity)
 		rq->current_entity = NULL;
···
 	struct drm_gpu_scheduler *sched = s_fence->sched;
 
 	atomic_dec(&sched->hw_rq_count);
-	atomic_dec(&sched->score);
+	atomic_dec(sched->score);
 
 	trace_drm_sched_process_job(s_fence);
 
···
 EXPORT_SYMBOL(drm_sched_start);
 
 /**
- * drm_sched_resubmit_jobs - helper to relunch job from pending ring list
+ * drm_sched_resubmit_jobs - helper to relaunch jobs from the pending list
  *
  * @sched: scheduler instance
  *
···
 		} else {
 			s_job->s_fence->parent = fence;
 		}
-
-
 	}
 }
 EXPORT_SYMBOL(drm_sched_resubmit_jobs);
···
 			continue;
 		}
 
-		num_score = atomic_read(&sched->score);
+		num_score = atomic_read(sched->score);
 		if (num_score < min_score) {
 			min_score = num_score;
 			picked_sched = sched;
···
  * @hw_submission: number of hw submissions that can be in flight
  * @hang_limit: number of times to allow a job to hang before dropping it
  * @timeout: timeout value in jiffies for the scheduler
+ * @score: optional score atomic shared with other schedulers
  * @name: name used for debugging
  *
  * Return 0 on success, otherwise error code.
  */
 int drm_sched_init(struct drm_gpu_scheduler *sched,
 		   const struct drm_sched_backend_ops *ops,
-		   unsigned hw_submission,
-		   unsigned hang_limit,
-		   long timeout,
-		   const char *name)
+		   unsigned hw_submission, unsigned hang_limit, long timeout,
+		   atomic_t *score, const char *name)
 {
 	int i, ret;
 	sched->ops = ops;
···
 	sched->name = name;
 	sched->timeout = timeout;
 	sched->hang_limit = hang_limit;
+	sched->score = score ? score : &sched->_score;
 	for (i = DRM_SCHED_PRIORITY_MIN; i < DRM_SCHED_PRIORITY_COUNT; i++)
 		drm_sched_rq_init(sched, &sched->sched_rq[i]);
 
···
 	spin_lock_init(&sched->job_list_lock);
 	atomic_set(&sched->hw_rq_count, 0);
 	INIT_DELAYED_WORK(&sched->work_tdr, drm_sched_job_timedout);
-	atomic_set(&sched->score, 0);
+	atomic_set(&sched->_score, 0);
 	atomic64_set(&sched->job_id_count, 0);
 
 	/* Each scheduler will run on a seperate kernel thread */

drivers/gpu/drm/sti/sti_cursor.c

···
 }
 
 static int sti_cursor_atomic_check(struct drm_plane *drm_plane,
-				   struct drm_plane_state *state)
+				   struct drm_atomic_state *state)
 {
+	struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
+										 drm_plane);
 	struct sti_plane *plane = to_sti_plane(drm_plane);
 	struct sti_cursor *cursor = to_sti_cursor(plane);
-	struct drm_crtc *crtc = state->crtc;
-	struct drm_framebuffer *fb = state->fb;
+	struct drm_crtc *crtc = new_plane_state->crtc;
+	struct drm_framebuffer *fb = new_plane_state->fb;
 	struct drm_crtc_state *crtc_state;
 	struct drm_display_mode *mode;
 	int dst_x, dst_y, dst_w, dst_h;
···
 	if (!crtc || !fb)
 		return 0;
 
-	crtc_state = drm_atomic_get_crtc_state(state->state, crtc);
+	crtc_state = drm_atomic_get_crtc_state(state, crtc);
 	mode = &crtc_state->mode;
-	dst_x = state->crtc_x;
-	dst_y = state->crtc_y;
-	dst_w = clamp_val(state->crtc_w, 0, mode->crtc_hdisplay - dst_x);
-	dst_h = clamp_val(state->crtc_h, 0, mode->crtc_vdisplay - dst_y);
+	dst_x = new_plane_state->crtc_x;
+	dst_y = new_plane_state->crtc_y;
+	dst_w = clamp_val(new_plane_state->crtc_w, 0,
+			  mode->crtc_hdisplay - dst_x);
+	dst_h = clamp_val(new_plane_state->crtc_h, 0,
+			  mode->crtc_vdisplay - dst_y);
 	/* src_x are in 16.16 format */
-	src_w = state->src_w >> 16;
-	src_h = state->src_h >> 16;
+	src_w = new_plane_state->src_w >> 16;
+	src_h = new_plane_state->src_h >> 16;
 
 	if (src_w < STI_CURS_MIN_SIZE ||
 	    src_h < STI_CURS_MIN_SIZE ||
···
 }
 
 static void sti_cursor_atomic_update(struct drm_plane *drm_plane,
-				     struct drm_plane_state *oldstate)
+				     struct drm_atomic_state *state)
 {
-	struct drm_plane_state *state = drm_plane->state;
+	struct drm_plane_state *newstate = drm_atomic_get_new_plane_state(state,
+									  drm_plane);
 	struct sti_plane *plane = to_sti_plane(drm_plane);
 	struct sti_cursor *cursor = to_sti_cursor(plane);
-	struct drm_crtc *crtc = state->crtc;
-	struct drm_framebuffer *fb = state->fb;
+	struct drm_crtc *crtc = newstate->crtc;
+	struct drm_framebuffer *fb = newstate->fb;
 	struct drm_display_mode *mode;
 	int dst_x, dst_y;
 	struct drm_gem_cma_object *cma_obj;
···
 		return;
 
 	mode = &crtc->mode;
-	dst_x = state->crtc_x;
-	dst_y = state->crtc_y;
+	dst_x = newstate->crtc_x;
+	dst_y = newstate->crtc_y;
 
 	cma_obj = drm_fb_cma_get_gem_obj(fb, 0);
 
···
 }
 
 static void sti_cursor_atomic_disable(struct drm_plane *drm_plane,
-				      struct drm_plane_state *oldstate)
+				      struct drm_atomic_state *state)
 {
+	struct drm_plane_state *oldstate = drm_atomic_get_old_plane_state(state,
+									  drm_plane);
 	struct sti_plane *plane = to_sti_plane(drm_plane);
 
 	if (!oldstate->crtc) {

drivers/gpu/drm/sti/sti_gdp.c

···
 }
 
 static int sti_gdp_atomic_check(struct drm_plane *drm_plane,
-				struct drm_plane_state *state)
+				struct drm_atomic_state *state)
 {
+	struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
+										 drm_plane);
 	struct sti_plane *plane = to_sti_plane(drm_plane);
 	struct sti_gdp *gdp = to_sti_gdp(plane);
-	struct drm_crtc *crtc = state->crtc;
-	struct drm_framebuffer *fb =  state->fb;
+	struct drm_crtc *crtc = new_plane_state->crtc;
+	struct drm_framebuffer *fb =  new_plane_state->fb;
 	struct drm_crtc_state *crtc_state;
 	struct sti_mixer *mixer;
 	struct drm_display_mode *mode;
···
 		return 0;
 
 	mixer = to_sti_mixer(crtc);
-	crtc_state = drm_atomic_get_crtc_state(state->state, crtc);
+	crtc_state = drm_atomic_get_crtc_state(state, crtc);
 	mode = &crtc_state->mode;
-	dst_x = state->crtc_x;
-	dst_y = state->crtc_y;
-	dst_w = clamp_val(state->crtc_w, 0, mode->hdisplay - dst_x);
-	dst_h = clamp_val(state->crtc_h, 0, mode->vdisplay - dst_y);
+	dst_x = new_plane_state->crtc_x;
+	dst_y = new_plane_state->crtc_y;
+	dst_w = clamp_val(new_plane_state->crtc_w, 0, mode->hdisplay - dst_x);
+	dst_h = clamp_val(new_plane_state->crtc_h, 0, mode->vdisplay - dst_y);
 	/* src_x are in 16.16 format */
-	src_x = state->src_x >> 16;
-	src_y = state->src_y >> 16;
-	src_w = clamp_val(state->src_w >> 16, 0, GAM_GDP_SIZE_MAX_WIDTH);
-	src_h = clamp_val(state->src_h >> 16, 0, GAM_GDP_SIZE_MAX_HEIGHT);
+	src_x = new_plane_state->src_x >> 16;
+	src_y = new_plane_state->src_y >> 16;
+	src_w = clamp_val(new_plane_state->src_w >> 16, 0,
+			  GAM_GDP_SIZE_MAX_WIDTH);
+	src_h = clamp_val(new_plane_state->src_h >> 16, 0,
+			  GAM_GDP_SIZE_MAX_HEIGHT);
 
 	format = sti_gdp_fourcc2format(fb->format->format);
 	if (format == -1) {
···
 }
 
 static void sti_gdp_atomic_update(struct drm_plane *drm_plane,
-				  struct drm_plane_state *oldstate)
+				  struct drm_atomic_state *state)
 {
-	struct drm_plane_state *state = drm_plane->state;
+	struct drm_plane_state *oldstate = drm_atomic_get_old_plane_state(state,
+									  drm_plane);
+	struct drm_plane_state *newstate = drm_atomic_get_new_plane_state(state,
+									  drm_plane);
 	struct sti_plane *plane = to_sti_plane(drm_plane);
 	struct sti_gdp *gdp = to_sti_gdp(plane);
-	struct drm_crtc *crtc = state->crtc;
-	struct drm_framebuffer *fb =  state->fb;
+	struct drm_crtc *crtc = newstate->crtc;
+	struct drm_framebuffer *fb =  newstate->fb;
 	struct drm_display_mode *mode;
 	int dst_x, dst_y, dst_w, dst_h;
 	int src_x, src_y, src_w, src_h;
···
 	if (!crtc || !fb)
 		return;
 
-	if ((oldstate->fb == state->fb) &&
-	    (oldstate->crtc_x == state->crtc_x) &&
-	    (oldstate->crtc_y == state->crtc_y) &&
-	    (oldstate->crtc_w == state->crtc_w) &&
-	    (oldstate->crtc_h == state->crtc_h) &&
-	    (oldstate->src_x == state->src_x) &&
-	    (oldstate->src_y == state->src_y) &&
-	    (oldstate->src_w == state->src_w) &&
-	    (oldstate->src_h == state->src_h)) {
+	if ((oldstate->fb == newstate->fb) &&
+	    (oldstate->crtc_x == newstate->crtc_x) &&
+	    (oldstate->crtc_y == newstate->crtc_y) &&
+	    (oldstate->crtc_w == newstate->crtc_w) &&
+	    (oldstate->crtc_h == newstate->crtc_h) &&
+	    (oldstate->src_x == newstate->src_x) &&
+	    (oldstate->src_y == newstate->src_y) &&
+	    (oldstate->src_w == newstate->src_w) &&
+	    (oldstate->src_h == newstate->src_h)) {
 		/* No change since last update, do not post cmd */
 		DRM_DEBUG_DRIVER("No change, not posting cmd\n");
 		plane->status = STI_PLANE_UPDATED;
···
 	}
 
 	mode = &crtc->mode;
-	dst_x = state->crtc_x;
-	dst_y = state->crtc_y;
-	dst_w = clamp_val(state->crtc_w, 0, mode->hdisplay - dst_x);
-	dst_h = clamp_val(state->crtc_h, 0, mode->vdisplay - dst_y);
+	dst_x = newstate->crtc_x;
+	dst_y = newstate->crtc_y;
+	dst_w = clamp_val(newstate->crtc_w, 0, mode->hdisplay - dst_x);
+	dst_h = clamp_val(newstate->crtc_h, 0, mode->vdisplay - dst_y);
 	/* src_x are in 16.16 format */
-	src_x = state->src_x >> 16;
-	src_y = state->src_y >> 16;
-	src_w = clamp_val(state->src_w >> 16, 0, GAM_GDP_SIZE_MAX_WIDTH);
-	src_h = clamp_val(state->src_h >> 16, 0, GAM_GDP_SIZE_MAX_HEIGHT);
+	src_x = newstate->src_x >> 16;
+	src_y = newstate->src_y >> 16;
+	src_w = clamp_val(newstate->src_w >> 16, 0, GAM_GDP_SIZE_MAX_WIDTH);
+	src_h = clamp_val(newstate->src_h >> 16, 0, GAM_GDP_SIZE_MAX_HEIGHT);
 
 	list = sti_gdp_get_free_nodes(gdp);
 	top_field = list->top_field;
···
 }
 
 static void sti_gdp_atomic_disable(struct drm_plane *drm_plane,
-				   struct drm_plane_state *oldstate)
+				   struct drm_atomic_state *state)
 {
+	struct drm_plane_state *oldstate = drm_atomic_get_old_plane_state(state,
+									  drm_plane);
 	struct sti_plane *plane = to_sti_plane(drm_plane);
 
 	if (!oldstate->crtc) {

drivers/gpu/drm/sti/sti_hqvdp.c

···
 }
 
 static int sti_hqvdp_atomic_check(struct drm_plane *drm_plane,
-				  struct drm_plane_state *state)
+				  struct drm_atomic_state *state)
 {
+	struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
+										 drm_plane);
 	struct sti_plane *plane = to_sti_plane(drm_plane);
 	struct sti_hqvdp *hqvdp = to_sti_hqvdp(plane);
-	struct drm_crtc *crtc = state->crtc;
-	struct drm_framebuffer *fb = state->fb;
+	struct drm_crtc *crtc = new_plane_state->crtc;
+	struct drm_framebuffer *fb = new_plane_state->fb;
 	struct drm_crtc_state *crtc_state;
 	struct drm_display_mode *mode;
 	int dst_x, dst_y, dst_w, dst_h;
···
 	if (!crtc || !fb)
 		return 0;
 
-	crtc_state = drm_atomic_get_crtc_state(state->state, crtc);
+	crtc_state = drm_atomic_get_crtc_state(state, crtc);
 	mode = &crtc_state->mode;
-	dst_x = state->crtc_x;
-	dst_y = state->crtc_y;
-	dst_w = clamp_val(state->crtc_w, 0, mode->hdisplay - dst_x);
-	dst_h = clamp_val(state->crtc_h, 0, mode->vdisplay - dst_y);
+	dst_x = new_plane_state->crtc_x;
+	dst_y = new_plane_state->crtc_y;
+	dst_w = clamp_val(new_plane_state->crtc_w, 0, mode->hdisplay - dst_x);
+	dst_h = clamp_val(new_plane_state->crtc_h, 0, mode->vdisplay - dst_y);
 	/* src_x are in 16.16 format */
-	src_x = state->src_x >> 16;
-	src_y = state->src_y >> 16;
-	src_w = state->src_w >> 16;
-	src_h = state->src_h >> 16;
+	src_x = new_plane_state->src_x >> 16;
+	src_y = new_plane_state->src_y >> 16;
+	src_w = new_plane_state->src_w >> 16;
+	src_h = new_plane_state->src_h >> 16;
 
 	if (mode->clock && !sti_hqvdp_check_hw_scaling(hqvdp, mode,
 						       src_w, src_h,
···
 }
 
 static void sti_hqvdp_atomic_update(struct drm_plane *drm_plane,
-				    struct drm_plane_state *oldstate)
+				    struct drm_atomic_state *state)
 {
-	struct drm_plane_state *state = drm_plane->state;
+	struct drm_plane_state *oldstate = drm_atomic_get_old_plane_state(state,
+									  drm_plane);
+	struct drm_plane_state *newstate = drm_atomic_get_new_plane_state(state,
+									  drm_plane);
 	struct sti_plane *plane = to_sti_plane(drm_plane);
 	struct sti_hqvdp *hqvdp = to_sti_hqvdp(plane);
-	struct drm_crtc *crtc = state->crtc;
-	struct drm_framebuffer *fb = state->fb;
+	struct drm_crtc *crtc = newstate->crtc;
+	struct drm_framebuffer *fb = newstate->fb;
 	struct drm_display_mode *mode;
 	int dst_x, dst_y, dst_w, dst_h;
 	int src_x, src_y, src_w, src_h;
···
 	if (!crtc || !fb)
 		return;
 
-	if ((oldstate->fb == state->fb) &&
-	    (oldstate->crtc_x == state->crtc_x) &&
-	    (oldstate->crtc_y == state->crtc_y) &&
-	    (oldstate->crtc_w == state->crtc_w) &&
-	    (oldstate->crtc_h == state->crtc_h) &&
-	    (oldstate->src_x == state->src_x) &&
-	    (oldstate->src_y == state->src_y) &&
-	    (oldstate->src_w == state->src_w) &&
-	    (oldstate->src_h == state->src_h)) {
+	if ((oldstate->fb == newstate->fb) &&
+	    (oldstate->crtc_x == newstate->crtc_x) &&
+	    (oldstate->crtc_y == newstate->crtc_y) &&
+	    (oldstate->crtc_w == newstate->crtc_w) &&
+	    (oldstate->crtc_h == newstate->crtc_h) &&
+	    (oldstate->src_x == newstate->src_x) &&
+	    (oldstate->src_y == newstate->src_y) &&
+	    (oldstate->src_w == newstate->src_w) &&
+	    (oldstate->src_h == newstate->src_h)) {
 		/* No change since last update, do not post cmd */
 		DRM_DEBUG_DRIVER("No change, not posting cmd\n");
 		plane->status = STI_PLANE_UPDATED;
···
 	}
 
 	mode = &crtc->mode;
-	dst_x = state->crtc_x;
-	dst_y = state->crtc_y;
-	dst_w = clamp_val(state->crtc_w, 0, mode->hdisplay - dst_x);
-	dst_h = clamp_val(state->crtc_h, 0, mode->vdisplay - dst_y);
+	dst_x = newstate->crtc_x;
+	dst_y = newstate->crtc_y;
+	dst_w = clamp_val(newstate->crtc_w, 0, mode->hdisplay - dst_x);
+	dst_h = clamp_val(newstate->crtc_h, 0, mode->vdisplay - dst_y);
 	/* src_x are in 16.16 format */
-	src_x = state->src_x >> 16;
-	src_y = state->src_y >> 16;
-	src_w = state->src_w >> 16;
-	src_h = state->src_h >> 16;
+	src_x = newstate->src_x >> 16;
+	src_y = newstate->src_y >> 16;
+	src_w = newstate->src_w >> 16;
+	src_h = newstate->src_h >> 16;
 
 	cmd_offset = sti_hqvdp_get_free_cmd(hqvdp);
 	if (cmd_offset == -1) {
···
 }
 
 static void sti_hqvdp_atomic_disable(struct drm_plane *drm_plane,
-				     struct drm_plane_state *oldstate)
+				     struct drm_atomic_state *state)
 {
+	struct drm_plane_state *oldstate = drm_atomic_get_old_plane_state(state,
+									  drm_plane);
 	struct sti_plane *plane = to_sti_plane(drm_plane);
 
 	if (!oldstate->crtc) {

drivers/gpu/drm/stm/ltdc.c

···
 #include <drm/drm_device.h>
 #include <drm/drm_fb_cma_helper.h>
 #include <drm/drm_fourcc.h>
+#include <drm/drm_gem_atomic_helper.h>
 #include <drm/drm_gem_cma_helper.h>
-#include <drm/drm_gem_framebuffer_helper.h>
 #include <drm/drm_of.h>
 #include <drm/drm_plane_helper.h>
 #include <drm/drm_probe_helper.h>
···
 {
 	struct ltdc_device *ldev = crtc_to_ltdc(crtc);
 	struct drm_device *ddev = crtc->dev;
+	struct drm_connector_list_iter iter;
+	struct drm_connector *connector = NULL;
+	struct drm_encoder *encoder = NULL;
+	struct drm_bridge *bridge = NULL;
 	struct drm_display_mode *mode = &crtc->state->adjusted_mode;
 	struct videomode vm;
 	u32 hsync, vsync, accum_hbp, accum_vbp, accum_act_w, accum_act_h;
 	u32 total_width, total_height;
+	u32 bus_flags = 0;
 	u32 val;
 	int ret;
+
+	/* get encoder from crtc */
+	drm_for_each_encoder(encoder, ddev)
+		if (encoder->crtc == crtc)
+			break;
+
+	if (encoder) {
+		/* get bridge from encoder */
+		list_for_each_entry(bridge, &encoder->bridge_chain, chain_node)
+			if (bridge->encoder == encoder)
+				break;
+
+		/* Get the connector from encoder */
+		drm_connector_list_iter_begin(ddev, &iter);
+		drm_for_each_connector_iter(connector, &iter)
+			if (connector->encoder == encoder)
+				break;
+		drm_connector_list_iter_end(&iter);
+	}
+
+	if (bridge && bridge->timings)
+		bus_flags = bridge->timings->input_bus_flags;
+	else if (connector)
+		bus_flags = connector->display_info.bus_flags;
 
 	if (!pm_runtime_active(ddev->dev)) {
 		ret = pm_runtime_get_sync(ddev->dev);
···
 	if (vm.flags & DISPLAY_FLAGS_VSYNC_HIGH)
 		val |= GCR_VSPOL;
 
-	if (vm.flags & DISPLAY_FLAGS_DE_LOW)
+	if (bus_flags & DRM_BUS_FLAG_DE_LOW)
 		val |= GCR_DEPOL;
 
-	if (vm.flags & DISPLAY_FLAGS_PIXDATA_NEGEDGE)
+	if (bus_flags & DRM_BUS_FLAG_PIXDATA_DRIVE_NEGEDGE)
 		val |= GCR_PCPOL;
 
 	reg_update_bits(ldev->regs, LTDC_GCR,
···
  */
 
 static int ltdc_plane_atomic_check(struct drm_plane *plane,
-				   struct drm_plane_state *state)
+				   struct drm_atomic_state *state)
 {
-	struct drm_framebuffer *fb = state->fb;
+	struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
+										 plane);
+	struct drm_framebuffer *fb = new_plane_state->fb;
 	u32 src_w, src_h;
 
 	DRM_DEBUG_DRIVER("\n");
···
 		return 0;
 
 	/* convert src_ from 16:16 format */
-	src_w = state->src_w >> 16;
-	src_h = state->src_h >> 16;
+	src_w = new_plane_state->src_w >> 16;
+	src_h = new_plane_state->src_h >> 16;
 
 	/* Reject scaling */
-	if (src_w != state->crtc_w || src_h != state->crtc_h) {
+	if (src_w != new_plane_state->crtc_w || src_h != new_plane_state->crtc_h) {
 		DRM_ERROR("Scaling is not supported");
 		return -EINVAL;
 	}
···
 }
 
 static void ltdc_plane_atomic_update(struct drm_plane *plane,
-				     struct drm_plane_state *oldstate)
+				     struct drm_atomic_state *state)
 {
 	struct ltdc_device *ldev = plane_to_ltdc(plane);
-	struct drm_plane_state *state = plane->state;
-	struct drm_framebuffer *fb = state->fb;
+	struct drm_plane_state *newstate = drm_atomic_get_new_plane_state(state,
+									  plane);
+	struct drm_framebuffer *fb = newstate->fb;
 	u32 lofs = plane->index * LAY_OFS;
-	u32 x0 = state->crtc_x;
-	u32 x1 = state->crtc_x + state->crtc_w - 1;
-	u32 y0 = state->crtc_y;
-	u32 y1 = state->crtc_y + state->crtc_h - 1;
+	u32 x0 = newstate->crtc_x;
+	u32 x1 = newstate->crtc_x + newstate->crtc_w - 1;
+	u32 y0 = newstate->crtc_y;
+	u32 y1 = newstate->crtc_y + newstate->crtc_h - 1;
 	u32 src_x, src_y, src_w, src_h;
 	u32 val, pitch_in_bytes, line_length, paddr, ahbp, avbp, bpcr;
 	enum ltdc_pix_fmt pf;
 
-	if (!state->crtc || !fb) {
+	if (!newstate->crtc || !fb) {
 		DRM_DEBUG_DRIVER("fb or crtc NULL");
 		return;
 	}
 
 	/* convert src_ from 16:16 format */
-	src_x = state->src_x >> 16;
-	src_y = state->src_y >> 16;
-	src_w = state->src_w >> 16;
-	src_h = state->src_h >> 16;
+	src_x = newstate->src_x >> 16;
+	src_y = newstate->src_y >> 16;
+	src_w = newstate->src_w >> 16;
+	src_h = newstate->src_h >> 16;
 
 	DRM_DEBUG_DRIVER("plane:%d fb:%d (%dx%d)@(%d,%d) -> (%dx%d)@(%d,%d)\n",
 			 plane->base.id, fb->base.id,
 			 src_w, src_h, src_x, src_y,
-			 state->crtc_w, state->crtc_h,
-			 state->crtc_x, state->crtc_y);
+			 newstate->crtc_w, newstate->crtc_h,
+			 newstate->crtc_x, newstate->crtc_y);
 
 	bpcr = reg_read(ldev->regs, LTDC_BPCR);
 	ahbp = (bpcr & BPCR_AHBP) >> 16;
···
 	reg_update_bits(ldev->regs, LTDC_L1CFBLNR + lofs, LXCFBLNR_CFBLN, val);
 
 	/* Sets the FB address */
-	paddr = (u32)drm_fb_cma_get_gem_addr(fb, state, 0);
+	paddr = (u32)drm_fb_cma_get_gem_addr(fb, newstate, 0);
 
 	DRM_DEBUG_DRIVER("fb: phys 0x%08x", paddr);
 	reg_write(ldev->regs, LTDC_L1CFBAR + lofs, paddr);
···
 }
 
 static void ltdc_plane_atomic_disable(struct drm_plane *plane,
-				      struct drm_plane_state *oldstate)
+				      struct drm_atomic_state *state)
 {
+	struct drm_plane_state *oldstate = drm_atomic_get_old_plane_state(state,
+									  plane);
 	struct ltdc_device *ldev = plane_to_ltdc(plane);
 	u32 lofs = plane->index * LAY_OFS;
 
···
 };
 
 static const struct drm_plane_helper_funcs ltdc_plane_helper_funcs = {
-	.prepare_fb = drm_gem_fb_prepare_fb,
+	.prepare_fb = drm_gem_plane_helper_prepare_fb,
 	.atomic_check = ltdc_plane_atomic_check,
 	.atomic_update = ltdc_plane_atomic_update,
 	.atomic_disable = ltdc_plane_atomic_disable,

drivers/gpu/drm/sun4i/sun4i_backend.c

···
 		struct sun4i_layer_state *layer_state =
 			state_to_sun4i_layer_state(plane_state);
 		struct drm_framebuffer *fb = plane_state->fb;
-		struct drm_format_name_buf format_name;
 
 		if (!sun4i_backend_plane_is_supported(plane_state,
 						      &layer_state->uses_frontend))
···
 			}
 		}
 
-		DRM_DEBUG_DRIVER("Plane FB format is %s\n",
-				 drm_get_format_name(fb->format->format,
-						     &format_name));
+		DRM_DEBUG_DRIVER("Plane FB format is %p4cc\n",
+				 &fb->format->format);
 		if (fb->format->has_alpha || (plane_state->alpha != DRM_BLEND_ALPHA_OPAQUE))
 			num_alpha_planes++;
 

drivers/gpu/drm/sun4i/sun4i_layer.c

···
  * Maxime Ripard <[e-mail]>
  */
 
+#include <drm/drm_atomic.h>
 #include <drm/drm_atomic_helper.h>
-#include <drm/drm_gem_framebuffer_helper.h>
+#include <drm/drm_gem_atomic_helper.h>
 #include <drm/drm_plane_helper.h>
 
 #include "sun4i_backend.h"
···
 }
 
 static void sun4i_backend_layer_atomic_disable(struct drm_plane *plane,
-					       struct drm_plane_state *old_state)
+					       struct drm_atomic_state *state)
 {
+	struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state,
+									   plane);
 	struct sun4i_layer_state *layer_state = state_to_sun4i_layer_state(old_state);
 	struct sun4i_layer *layer = plane_to_sun4i_layer(plane);
 	struct sun4i_backend *backend = layer->backend;
···
 }
 
 static void sun4i_backend_layer_atomic_update(struct drm_plane *plane,
-					      struct drm_plane_state *old_state)
+					      struct drm_atomic_state *state)
 {
-	struct sun4i_layer_state *layer_state = state_to_sun4i_layer_state(plane->state);
+	struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
+									   plane);
+	struct sun4i_layer_state *layer_state = state_to_sun4i_layer_state(new_state);
 	struct sun4i_layer *layer = plane_to_sun4i_layer(plane);
 	struct sun4i_backend *backend = layer->backend;
 	struct sun4i_frontend *frontend = backend->frontend;
···
 }
 
 static const struct drm_plane_helper_funcs sun4i_backend_layer_helper_funcs = {
-	.prepare_fb	= drm_gem_fb_prepare_fb,
+	.prepare_fb	= drm_gem_plane_helper_prepare_fb,
 	.atomic_disable	= sun4i_backend_layer_atomic_disable,
 	.atomic_update	= sun4i_backend_layer_atomic_update,
 };

drivers/gpu/drm/sun4i/sun8i_ui_layer.c

···
 #include <drm/drm_crtc.h>
 #include <drm/drm_fb_cma_helper.h>
 #include <drm/drm_fourcc.h>
+#include <drm/drm_gem_atomic_helper.h>
 #include <drm/drm_gem_cma_helper.h>
-#include <drm/drm_gem_framebuffer_helper.h>
 #include <drm/drm_plane_helper.h>
 #include <drm/drm_probe_helper.h>
 
···
 				   SUN8I_MIXER_BLEND_ROUTE_PIPE_MSK(zpos),
 				   val);
 	}
+}
+
+static void sun8i_ui_layer_update_alpha(struct sun8i_mixer *mixer, int channel,
+					int overlay, struct drm_plane *plane)
+{
+	u32 mask, val, ch_base;
+
+	ch_base = sun8i_channel_base(mixer, channel);
+
+	mask = SUN8I_MIXER_CHAN_UI_LAYER_ATTR_ALPHA_MODE_MASK |
+		SUN8I_MIXER_CHAN_UI_LAYER_ATTR_ALPHA_MASK;
+
+	val = SUN8I_MIXER_CHAN_UI_LAYER_ATTR_ALPHA(plane->state->alpha >> 8);
+
+	val |= (plane->state->alpha == DRM_BLEND_ALPHA_OPAQUE) ?
+		SUN8I_MIXER_CHAN_UI_LAYER_ATTR_ALPHA_MODE_PIXEL :
+		SUN8I_MIXER_CHAN_UI_LAYER_ATTR_ALPHA_MODE_COMBINED;
+
+	regmap_update_bits(mixer->engine.regs,
+			   SUN8I_MIXER_CHAN_UI_LAYER_ATTR(ch_base, overlay),
+			   mask, val);
 }
 
 static int sun8i_ui_layer_update_coord(struct sun8i_mixer *mixer, int channel,
···
 }
 
 static int sun8i_ui_layer_atomic_check(struct drm_plane *plane,
-				       struct drm_plane_state *state)
+				       struct drm_atomic_state *state)
 {
+	struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
+										 plane);
 	struct sun8i_ui_layer *layer = plane_to_sun8i_ui_layer(plane);
-	struct drm_crtc *crtc = state->crtc;
+	struct drm_crtc *crtc = new_plane_state->crtc;
 	struct drm_crtc_state *crtc_state;
 	int min_scale, max_scale;
 
 	if (!crtc)
 		return 0;
 
-	crtc_state = drm_atomic_get_existing_crtc_state(state->state, crtc);
+	crtc_state = drm_atomic_get_existing_crtc_state(state,
+							crtc);
 	if (WARN_ON(!crtc_state))
 		return -EINVAL;
 
···
 		max_scale = SUN8I_UI_SCALER_SCALE_MAX;
 	}
 
-	return drm_atomic_helper_check_plane_state(state, crtc_state,
+	return drm_atomic_helper_check_plane_state(new_plane_state,
+						   crtc_state,
 						   min_scale, max_scale,
 						   true, true);
 }
 
 static void sun8i_ui_layer_atomic_disable(struct drm_plane *plane,
-					  struct drm_plane_state *old_state)
+					  struct drm_atomic_state *state)
 {
+	struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state,
+									   plane);
 	struct sun8i_ui_layer *layer = plane_to_sun8i_ui_layer(plane);
 	unsigned int old_zpos = old_state->normalized_zpos;
 	struct sun8i_mixer *mixer = layer->mixer;
···
 }
 
 static void sun8i_ui_layer_atomic_update(struct drm_plane *plane,
-					 struct drm_plane_state *old_state)
+					 struct drm_atomic_state *state)
 {
+	struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state,
+									   plane);
+	struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
+									   plane);
 	struct sun8i_ui_layer *layer = plane_to_sun8i_ui_layer(plane);
-	unsigned int zpos = plane->state->normalized_zpos;
+	unsigned int zpos = new_state->normalized_zpos;
 	unsigned int old_zpos = old_state->normalized_zpos;
 	struct sun8i_mixer *mixer = layer->mixer;
 
-	if (!plane->state->visible) {
+	if (!new_state->visible) {
 		sun8i_ui_layer_enable(mixer, layer->channel,
 				      layer->overlay, false, 0, old_zpos);
 		return;
···
 
 	sun8i_ui_layer_update_coord(mixer, layer->channel,
 				    layer->overlay, plane, zpos);
+	sun8i_ui_layer_update_alpha(mixer, layer->channel,
+				    layer->overlay, plane);
 	sun8i_ui_layer_update_formats(mixer, layer->channel,
 				      layer->overlay, plane);
 	sun8i_ui_layer_update_buffer(mixer, layer->channel,
···
 }
 
 static const struct drm_plane_helper_funcs sun8i_ui_layer_helper_funcs = {
-	.prepare_fb	= drm_gem_fb_prepare_fb,
+	.prepare_fb	= drm_gem_plane_helper_prepare_fb,
 	.atomic_check	= sun8i_ui_layer_atomic_check,
 	.atomic_disable	= sun8i_ui_layer_atomic_disable,
 	.atomic_update	= sun8i_ui_layer_atomic_update,
···
 	}
 
 	plane_cnt = mixer->cfg->ui_num + mixer->cfg->vi_num;
+
+	ret = drm_plane_create_alpha_property(&layer->plane);
+	if (ret) {
+		dev_err(drm->dev, "Couldn't add alpha property\n");
+		return ERR_PTR(ret);
+	}
 
 	ret = drm_plane_create_zpos_property(&layer->plane, channel,
 					     0, plane_cnt - 1);

drivers/gpu/drm/sun4i/sun8i_ui_layer.h

···
 #define SUN8I_MIXER_CHAN_UI_LAYER_ATTR_FBFMT_MASK	GENMASK(12, 8)
 #define SUN8I_MIXER_CHAN_UI_LAYER_ATTR_FBFMT_OFFSET	8
 #define SUN8I_MIXER_CHAN_UI_LAYER_ATTR_ALPHA_MASK	GENMASK(31, 24)
+#define SUN8I_MIXER_CHAN_UI_LAYER_ATTR_ALPHA(x)		((x) << 24)
+
+#define SUN8I_MIXER_CHAN_UI_LAYER_ATTR_ALPHA_MODE_PIXEL		((0) << 1)
+#define SUN8I_MIXER_CHAN_UI_LAYER_ATTR_ALPHA_MODE_LAYER		((1) << 1)
+#define SUN8I_MIXER_CHAN_UI_LAYER_ATTR_ALPHA_MODE_COMBINED	((2) << 1)
 
 struct sun8i_mixer;
 

drivers/gpu/drm/sun4i/sun8i_vi_layer.c

···
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_crtc.h>
 #include <drm/drm_fb_cma_helper.h>
+#include <drm/drm_gem_atomic_helper.h>
 #include <drm/drm_gem_cma_helper.h>
-#include <drm/drm_gem_framebuffer_helper.h>
 #include <drm/drm_plane_helper.h>
 #include <drm/drm_probe_helper.h>
 
···
 				   SUN8I_MIXER_BLEND_ROUTE(bld_base),
 				   SUN8I_MIXER_BLEND_ROUTE_PIPE_MSK(zpos),
 				   val);
+	}
+}
+
+static void sun8i_vi_layer_update_alpha(struct sun8i_mixer *mixer, int channel,
+					int overlay, struct drm_plane *plane)
+{
+	u32 mask, val, ch_base;
+
+	ch_base = sun8i_channel_base(mixer, channel);
+
+	if (mixer->cfg->is_de3) {
+		mask = SUN50I_MIXER_CHAN_VI_LAYER_ATTR_ALPHA_MASK |
+		       SUN50I_MIXER_CHAN_VI_LAYER_ATTR_ALPHA_MODE_MASK;
+		val = SUN50I_MIXER_CHAN_VI_LAYER_ATTR_ALPHA
+			(plane->state->alpha >> 8);
+
+		val |= (plane->state->alpha == DRM_BLEND_ALPHA_OPAQUE) ?
+			SUN50I_MIXER_CHAN_VI_LAYER_ATTR_ALPHA_MODE_PIXEL :
+			SUN50I_MIXER_CHAN_VI_LAYER_ATTR_ALPHA_MODE_COMBINED;
+
+		regmap_update_bits(mixer->engine.regs,
+				   SUN8I_MIXER_CHAN_VI_LAYER_ATTR(ch_base,
+								  overlay),
+				   mask, val);
+	} else if (mixer->cfg->vi_num == 1) {
+		regmap_update_bits(mixer->engine.regs,
+				   SUN8I_MIXER_FCC_GLOBAL_ALPHA_REG,
+				   SUN8I_MIXER_FCC_GLOBAL_ALPHA_MASK,
+				   SUN8I_MIXER_FCC_GLOBAL_ALPHA
+					(plane->state->alpha >> 8));
 	}
 }
 
···
 			   SUN8I_MIXER_CHAN_VI_LAYER_ATTR(ch_base, overlay),
 			   SUN8I_MIXER_CHAN_VI_LAYER_ATTR_RGB_MODE, val);
 
-	/* It seems that YUV formats use global alpha setting. */
-	if (mixer->cfg->is_de3)
-		regmap_update_bits(mixer->engine.regs,
-				   SUN8I_MIXER_CHAN_VI_LAYER_ATTR(ch_base,
-								  overlay),
-				   SUN50I_MIXER_CHAN_VI_LAYER_ATTR_ALPHA_MASK,
-				   SUN50I_MIXER_CHAN_VI_LAYER_ATTR_ALPHA(0xff));
-
 	return 0;
 }
 
···
 }
 
 static int sun8i_vi_layer_atomic_check(struct drm_plane *plane,
-				       struct drm_plane_state *state)
+				       struct drm_atomic_state *state)
 {
+	struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
+										 plane);
 	struct sun8i_vi_layer *layer = plane_to_sun8i_vi_layer(plane);
-	struct drm_crtc *crtc = state->crtc;
+	struct drm_crtc *crtc = new_plane_state->crtc;
 	struct drm_crtc_state *crtc_state;
 	int min_scale, max_scale;
 
 	if (!crtc)
 		return 0;
 
-	crtc_state = drm_atomic_get_existing_crtc_state(state->state, crtc);
+	crtc_state = drm_atomic_get_existing_crtc_state(state,
+							crtc);
 	if (WARN_ON(!crtc_state))
 		return -EINVAL;
 
···
 		max_scale = SUN8I_VI_SCALER_SCALE_MAX;
 	}
 
-	return drm_atomic_helper_check_plane_state(state, crtc_state,
+	return drm_atomic_helper_check_plane_state(new_plane_state,
+						   crtc_state,
 						   min_scale, max_scale,
 						   true, true);
 }
 
 static void sun8i_vi_layer_atomic_disable(struct drm_plane *plane,
-					  struct drm_plane_state *old_state)
+					  struct drm_atomic_state *state)
 {
+	struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state,
+									   plane);
 	struct sun8i_vi_layer *layer = plane_to_sun8i_vi_layer(plane);
 	unsigned int old_zpos = old_state->normalized_zpos;
 	struct sun8i_mixer *mixer = layer->mixer;
···
 }
 
 static void sun8i_vi_layer_atomic_update(struct drm_plane *plane,
-					 struct drm_plane_state *old_state)
+					 struct drm_atomic_state *state)
 {
+	struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state,
+									   plane);
+	struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
+									   plane);
 	struct sun8i_vi_layer *layer = plane_to_sun8i_vi_layer(plane);
-	unsigned int zpos = plane->state->normalized_zpos;
+	unsigned int zpos = new_state->normalized_zpos;
 	unsigned int old_zpos = old_state->normalized_zpos;
 	struct sun8i_mixer *mixer = layer->mixer;
 
-	if (!plane->state->visible) {
+	if (!new_state->visible) {
 		sun8i_vi_layer_enable(mixer, layer->channel,
 				      layer->overlay, false, 0, old_zpos);
 		return;
···
 
 	sun8i_vi_layer_update_coord(mixer, layer->channel,
 				    layer->overlay, plane, zpos);
+	sun8i_vi_layer_update_alpha(mixer, layer->channel,
+				    layer->overlay, plane);
 	sun8i_vi_layer_update_formats(mixer, layer->channel,
 				      layer->overlay, plane);
 	sun8i_vi_layer_update_buffer(mixer, layer->channel,
···
 }
 
 static const struct drm_plane_helper_funcs sun8i_vi_layer_helper_funcs = {
-	.prepare_fb	= drm_gem_fb_prepare_fb,
+	.prepare_fb	= drm_gem_plane_helper_prepare_fb,
 	.atomic_check	= sun8i_vi_layer_atomic_check,
 	.atomic_disable	= sun8i_vi_layer_atomic_disable,
 	.atomic_update	= sun8i_vi_layer_atomic_update,
···
 	}
 
 	plane_cnt = mixer->cfg->ui_num + mixer->cfg->vi_num;
+
+	if (mixer->cfg->vi_num == 1 || mixer->cfg->is_de3) {
+		ret = drm_plane_create_alpha_property(&layer->plane);
+		if (ret) {
+			dev_err(drm->dev, "Couldn't add alpha property\n");
+			return ERR_PTR(ret);
+		}
+	}
 
 	ret = drm_plane_create_zpos_property(&layer->plane, index,
 					     0, plane_cnt - 1);

drivers/gpu/drm/sun4i/sun8i_vi_layer.h

···
 #define SUN8I_MIXER_CHAN_VI_VDS_UV(base) \
 		((base) + 0xfc)
 
+#define SUN8I_MIXER_FCC_GLOBAL_ALPHA_REG \
+		(0xAA000 + 0x90)
+
+#define SUN8I_MIXER_FCC_GLOBAL_ALPHA(x)			((x) << 24)
+#define SUN8I_MIXER_FCC_GLOBAL_ALPHA_MASK		GENMASK(31, 24)
+
 #define SUN8I_MIXER_CHAN_VI_LAYER_ATTR_EN		BIT(0)
 /* RGB mode should be set for RGB formats and cleared for YCbCr */
 #define SUN8I_MIXER_CHAN_VI_LAYER_ATTR_RGB_MODE		BIT(15)
 #define SUN8I_MIXER_CHAN_VI_LAYER_ATTR_FBFMT_OFFSET	8
 #define SUN8I_MIXER_CHAN_VI_LAYER_ATTR_FBFMT_MASK	GENMASK(12, 8)
+#define SUN50I_MIXER_CHAN_VI_LAYER_ATTR_ALPHA_MODE_MASK	GENMASK(2, 1)
 #define SUN50I_MIXER_CHAN_VI_LAYER_ATTR_ALPHA_MASK	GENMASK(31, 24)
 #define SUN50I_MIXER_CHAN_VI_LAYER_ATTR_ALPHA(x)	((x) << 24)
+
+#define SUN50I_MIXER_CHAN_VI_LAYER_ATTR_ALPHA_MODE_PIXEL	((0) << 1)
+#define SUN50I_MIXER_CHAN_VI_LAYER_ATTR_ALPHA_MODE_LAYER	((1) << 1)
+#define SUN50I_MIXER_CHAN_VI_LAYER_ATTR_ALPHA_MODE_COMBINED	((2) << 1)
 
 #define SUN8I_MIXER_CHAN_VI_DS_N(x)			((x) << 16)
 #define SUN8I_MIXER_CHAN_VI_DS_M(x)			((x) << 0)

drivers/gpu/drm/tegra/dc.c

···
 };
 
 static int tegra_plane_atomic_check(struct drm_plane *plane,
-				    struct drm_plane_state *state)
+				    struct drm_atomic_state *state)
 {
-	struct tegra_plane_state *plane_state = to_tegra_plane_state(state);
+	struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
+										 plane);
+	struct tegra_plane_state *plane_state = to_tegra_plane_state(new_plane_state);
 	unsigned int supported_rotation = DRM_MODE_ROTATE_0 |
 					  DRM_MODE_REFLECT_X |
 					  DRM_MODE_REFLECT_Y;
-	unsigned int rotation = state->rotation;
+	unsigned int rotation = new_plane_state->rotation;
 	struct tegra_bo_tiling *tiling = &plane_state->tiling;
 	struct tegra_plane *tegra = to_tegra_plane(plane);
-	struct tegra_dc *dc = to_tegra_dc(state->crtc);
+	struct tegra_dc *dc = to_tegra_dc(new_plane_state->crtc);
 	int err;
 
 	/* no need for further checks if the plane is being disabled */
-	if (!state->crtc)
+	if (!new_plane_state->crtc)
 		return 0;
 
-	err = tegra_plane_format(state->fb->format->format,
+	err = tegra_plane_format(new_plane_state->fb->format->format,
 				 &plane_state->format,
 				 &plane_state->swap);
 	if (err < 0)
···
 			return err;
 	}
 
-	err = tegra_fb_get_tiling(state->fb, tiling);
+	err = tegra_fb_get_tiling(new_plane_state->fb, tiling);
 	if (err < 0)
 		return err;
 
···
 	 * property in order to achieve the same result.  The legacy BO flag
 	 * duplicates the DRM rotation property when both are set.
 	 */
-	if (tegra_fb_is_bottom_up(state->fb))
+	if (tegra_fb_is_bottom_up(new_plane_state->fb))
 		rotation |= DRM_MODE_REFLECT_Y;
 
 	rotation = drm_rotation_simplify(rotation, supported_rotation);
···
 	 * error out if the user tries to display a framebuffer with such a
 	 * configuration.
 	 */
-	if (state->fb->format->num_planes > 2) {
-		if (state->fb->pitches[2] != state->fb->pitches[1]) {
+	if (new_plane_state->fb->format->num_planes > 2) {
+		if (new_plane_state->fb->pitches[2] != new_plane_state->fb->pitches[1]) {
 			DRM_ERROR("unsupported UV-plane configuration\n");
 			return -EINVAL;
 		}
 	}
 
-	err = tegra_plane_state_add(tegra, state);
+	err = tegra_plane_state_add(tegra, new_plane_state);
 	if (err < 0)
 		return err;
 
···
 }
 
 static void tegra_plane_atomic_disable(struct drm_plane *plane,
-				       struct drm_plane_state *old_state)
+				       struct drm_atomic_state *state)
 {
+	struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state,
+									   plane);
 	struct tegra_plane *p = to_tegra_plane(plane);
 	u32 value;
 
···
 }
 
 static void tegra_plane_atomic_update(struct drm_plane *plane,
-				      struct drm_plane_state *old_state)
+				      struct drm_atomic_state *state)
 {
-	struct tegra_plane_state *state = to_tegra_plane_state(plane->state);
-	struct drm_framebuffer *fb = plane->state->fb;
+	struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
+									   plane);
+	struct tegra_plane_state *tegra_plane_state = to_tegra_plane_state(new_state);
+	struct drm_framebuffer *fb = new_state->fb;
 	struct tegra_plane *p = to_tegra_plane(plane);
 	struct tegra_dc_window window;
 	unsigned int i;
 
 	/* rien ne va plus */
-	if (!plane->state->crtc || !plane->state->fb)
+	if (!new_state->crtc || !new_state->fb)
 		return;
 
-	if (!plane->state->visible)
-		return tegra_plane_atomic_disable(plane, old_state);
+	if (!new_state->visible)
+		return tegra_plane_atomic_disable(plane, state);
 
 	memset(&window, 0, sizeof(window));
-	window.src.x = plane->state->src.x1 >> 16;
-	window.src.y = plane->state->src.y1 >> 16;
-	window.src.w = drm_rect_width(&plane->state->src) >> 16;
-	window.src.h = drm_rect_height(&plane->state->src) >> 16;
-	window.dst.x = plane->state->dst.x1;
-	window.dst.y = plane->state->dst.y1;
-	window.dst.w = drm_rect_width(&plane->state->dst);
-	window.dst.h = drm_rect_height(&plane->state->dst);
+	window.src.x = new_state->src.x1 >> 16;
+	window.src.y = new_state->src.y1 >> 16;
+	window.src.w = drm_rect_width(&new_state->src) >> 16;
+	window.src.h = drm_rect_height(&new_state->src) >> 16;
+	window.dst.x = new_state->dst.x1;
+	window.dst.y = new_state->dst.y1;
+	window.dst.w = drm_rect_width(&new_state->dst);
+	window.dst.h = drm_rect_height(&new_state->dst);
 	window.bits_per_pixel = fb->format->cpp[0] * 8;
-	window.reflect_x = state->reflect_x;
-	window.reflect_y = state->reflect_y;
+	window.reflect_x = tegra_plane_state->reflect_x;
+	window.reflect_y = tegra_plane_state->reflect_y;
 
 	/* copy from state */
-	window.zpos = plane->state->normalized_zpos;
-	window.tiling = state->tiling;
-	window.format = state->format;
-	window.swap = state->swap;
+	window.zpos = new_state->normalized_zpos;
+	window.tiling = tegra_plane_state->tiling;
+	window.format = tegra_plane_state->format;
+	window.swap = tegra_plane_state->swap;
 
 	for (i = 0; i < fb->format->num_planes; i++) {
-		window.base[i] = state->iova[i] + fb->offsets[i];
+		window.base[i] = tegra_plane_state->iova[i] + fb->offsets[i];
 
 		/*
 		 * Tegra uses a shared stride for UV planes. Framebuffers are
···
 };
 
 static int tegra_cursor_atomic_check(struct drm_plane *plane,
-				     struct drm_plane_state *state)
+				     struct drm_atomic_state *state)
 {
+	struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
+										 plane);
 	struct tegra_plane *tegra = to_tegra_plane(plane);
 	int err;
 
 	/* no need for further checks if the plane is being disabled */
-	if (!state->crtc)
+	if (!new_plane_state->crtc)
 		return 0;
 
 	/* scaling not supported for cursor */
-	if ((state->src_w >> 16 != state->crtc_w) ||
-	    (state->src_h >> 16 != state->crtc_h))
+	if ((new_plane_state->src_w >> 16 != new_plane_state->crtc_w) ||
+	    (new_plane_state->src_h >> 16 != new_plane_state->crtc_h))
 		return -EINVAL;
 
 	/* only square cursors supported */
-	if (state->src_w != state->src_h)
+	if (new_plane_state->src_w != new_plane_state->src_h)
 		return -EINVAL;
 
-	if (state->crtc_w != 32 && state->crtc_w != 64 &&
-	    state->crtc_w != 128 && state->crtc_w != 256)
+	if (new_plane_state->crtc_w != 32 && new_plane_state->crtc_w != 64 &&
+	    new_plane_state->crtc_w != 128 && new_plane_state->crtc_w != 256)
 		return -EINVAL;
 
-	err = tegra_plane_state_add(tegra, state);
+	err = tegra_plane_state_add(tegra, new_plane_state);
 	if (err < 0)
 		return err;
 
···
 }
 
 static void tegra_cursor_atomic_update(struct drm_plane *plane,
-				       struct drm_plane_state *old_state)
+				       struct drm_atomic_state *state)
 {
-	struct tegra_plane_state *state = to_tegra_plane_state(plane->state);
-	struct tegra_dc *dc = to_tegra_dc(plane->state->crtc);
+	struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
+									   plane);
+	struct tegra_plane_state *tegra_plane_state = to_tegra_plane_state(new_state);
+	struct tegra_dc *dc = to_tegra_dc(new_state->crtc);
 	u32 value = CURSOR_CLIP_DISPLAY;
 
 	/* rien ne va plus */
-	if (!plane->state->crtc || !plane->state->fb)
+	if (!new_state->crtc || !new_state->fb)
 		return;
 
-	switch (plane->state->crtc_w) {
+	switch (new_state->crtc_w) {
 	case 32:
 		value |= CURSOR_SIZE_32x32;
 		break;
···
 
 	default:
 		WARN(1, "cursor size %ux%u not supported\n",
-		     plane->state->crtc_w, plane->state->crtc_h);
+		     new_state->crtc_w, new_state->crtc_h);
 		return;
 	}
 
-	value |= (state->iova[0] >> 10) & 0x3fffff;
+	value |= (tegra_plane_state->iova[0] >> 10) & 0x3fffff;
 	tegra_dc_writel(dc, value, DC_DISP_CURSOR_START_ADDR);
 
 #ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT
-	value = (state->iova[0] >> 32) & 0x3;
+	value = (tegra_plane_state->iova[0] >> 32) & 0x3;
 	tegra_dc_writel(dc, value, DC_DISP_CURSOR_START_ADDR_HI);
 #endif
 
···
 	tegra_dc_writel(dc, value, DC_DISP_BLEND_CURSOR_CONTROL);
 
 	/* position the cursor */
-	value = (plane->state->crtc_y & 0x3fff) << 16 |
-		(plane->state->crtc_x & 0x3fff);
+	value = (new_state->crtc_y & 0x3fff) << 16 |
+		(new_state->crtc_x & 0x3fff);
 	tegra_dc_writel(dc, value, DC_DISP_CURSOR_POSITION);
 }
 
 static void tegra_cursor_atomic_disable(struct drm_plane *plane,
-					struct drm_plane_state *old_state)
+					struct drm_atomic_state *state)
 {
+	struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state,
+									   plane);
 	struct tegra_dc *dc;
 	u32 value;
 

drivers/gpu/drm/tegra/drm.c

···
 	struct tegra_drm *tegra = drm->dev_private;
 
 	if (tegra->hub) {
+		bool fence_cookie = dma_fence_begin_signalling();
+
 		drm_atomic_helper_commit_modeset_disables(drm, old_state);
 		tegra_display_hub_atomic_commit(drm, old_state);
 		drm_atomic_helper_commit_planes(drm, old_state, 0);
 		drm_atomic_helper_commit_modeset_enables(drm, old_state);
 		drm_atomic_helper_commit_hw_done(old_state);
+		dma_fence_end_signalling(fence_cookie);
 		drm_atomic_helper_wait_for_vblanks(drm, old_state);
 		drm_atomic_helper_cleanup_planes(drm, old_state);
 	} else {

drivers/gpu/drm/tegra/hub.c

···
 }
 
 static int tegra_shared_plane_atomic_check(struct drm_plane *plane,
-					   struct drm_plane_state *state)
+					   struct drm_atomic_state *state)
 {
-	struct tegra_plane_state *plane_state = to_tegra_plane_state(state);
+	struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
+										 plane);
+	struct tegra_plane_state *plane_state = to_tegra_plane_state(new_plane_state);
 	struct tegra_shared_plane *tegra = to_tegra_shared_plane(plane);
 	struct tegra_bo_tiling *tiling = &plane_state->tiling;
-	struct tegra_dc *dc = to_tegra_dc(state->crtc);
+	struct tegra_dc *dc = to_tegra_dc(new_plane_state->crtc);
 	int err;
 
 	/* no need for further checks if the plane is being disabled */
-	if (!state->crtc || !state->fb)
+	if (!new_plane_state->crtc || !new_plane_state->fb)
 		return 0;
 
-	err = tegra_plane_format(state->fb->format->format,
+	err = tegra_plane_format(new_plane_state->fb->format->format,
 				 &plane_state->format,
 				 &plane_state->swap);
 	if (err < 0)
 		return err;
 
-	err = tegra_fb_get_tiling(state->fb, tiling);
+	err = tegra_fb_get_tiling(new_plane_state->fb, tiling);
 	if (err < 0)
 		return err;
 
···
 	 * error out if the user tries to display a framebuffer with such a
 	 * configuration.
 	 */
-	if (state->fb->format->num_planes > 2) {
-		if (state->fb->pitches[2] != state->fb->pitches[1]) {
+	if (new_plane_state->fb->format->num_planes > 2) {
+		if (new_plane_state->fb->pitches[2] != new_plane_state->fb->pitches[1]) {
 			DRM_ERROR("unsupported UV-plane configuration\n");
 			return -EINVAL;
 		}
···
 
 	/* XXX scaling is not yet supported, add a check here */
 
-	err = tegra_plane_state_add(&tegra->base, state);
+	err = tegra_plane_state_add(&tegra->base, new_plane_state);
 	if (err < 0)
 		return err;
 
···
 }
 
 static void tegra_shared_plane_atomic_disable(struct drm_plane *plane,
-					      struct drm_plane_state *old_state)
+					      struct drm_atomic_state *state)
 {
+	struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state,
+									   plane);
 	struct tegra_plane *p = to_tegra_plane(plane);
 	struct tegra_dc *dc;
 	u32 value;
···
 }
 
 static void tegra_shared_plane_atomic_update(struct drm_plane *plane,
-					     struct drm_plane_state *old_state)
+					     struct drm_atomic_state *state)
 {
-	struct tegra_plane_state *state = to_tegra_plane_state(plane->state);
-	struct tegra_dc *dc = to_tegra_dc(plane->state->crtc);
-	unsigned int zpos = plane->state->normalized_zpos;
-	struct drm_framebuffer *fb = plane->state->fb;
+	struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
+									   plane);
+	struct tegra_plane_state *tegra_plane_state = to_tegra_plane_state(new_state);
+	struct tegra_dc *dc = to_tegra_dc(new_state->crtc);
+	unsigned int zpos = new_state->normalized_zpos;
+	struct drm_framebuffer *fb = new_state->fb;
 	struct tegra_plane *p = to_tegra_plane(plane);
 	dma_addr_t base;
 	u32 value;
 	int err;
 
 	/* rien ne va plus */
-	if (!plane->state->crtc || !plane->state->fb)
+	if (!new_state->crtc || !new_state->fb)
 		return;
 
-	if (!plane->state->visible) {
-		tegra_shared_plane_atomic_disable(plane, old_state);
+	if (!new_state->visible) {
+		tegra_shared_plane_atomic_disable(plane, state);
 		return;
 	}
 
···
 	/* disable compression */
 	tegra_plane_writel(p, 0, DC_WINBUF_CDE_CONTROL);
 
-	base = state->iova[0] + fb->offsets[0];
+	base = tegra_plane_state->iova[0] + fb->offsets[0];
 
-	tegra_plane_writel(p, state->format, DC_WIN_COLOR_DEPTH);
+	tegra_plane_writel(p, tegra_plane_state->format, DC_WIN_COLOR_DEPTH);
 	tegra_plane_writel(p, 0, DC_WIN_PRECOMP_WGRP_PARAMS);
 
-	value = V_POSITION(plane->state->crtc_y) |
-		H_POSITION(plane->state->crtc_x);
+	value = V_POSITION(new_state->crtc_y) |
+		H_POSITION(new_state->crtc_x);
 	tegra_plane_writel(p, value, DC_WIN_POSITION);
 
-	value = V_SIZE(plane->state->crtc_h) | H_SIZE(plane->state->crtc_w);
+	value = V_SIZE(new_state->crtc_h) | H_SIZE(new_state->crtc_w);
 	tegra_plane_writel(p, value, DC_WIN_SIZE);
 
 	value = WIN_ENABLE | COLOR_EXPAND;
 	tegra_plane_writel(p, value, DC_WIN_WIN_OPTIONS);
 
-	value = V_SIZE(plane->state->crtc_h) | H_SIZE(plane->state->crtc_w);
+	value = V_SIZE(new_state->crtc_h) | H_SIZE(new_state->crtc_w);
 	tegra_plane_writel(p, value, DC_WIN_CROPPED_SIZE);
 
 	tegra_plane_writel(p, upper_32_bits(base), DC_WINBUF_START_ADDR_HI);
···
 	value = CLAMP_BEFORE_BLEND | DEGAMMA_SRGB | INPUT_RANGE_FULL;
 	tegra_plane_writel(p, value, DC_WIN_SET_PARAMS);
 
-	value = OFFSET_X(plane->state->src_y >> 16) |
-		OFFSET_Y(plane->state->src_x >> 16);
+	value = OFFSET_X(new_state->src_y >> 16) |
+		OFFSET_Y(new_state->src_x >> 16);
 	tegra_plane_writel(p, value, DC_WINBUF_CROPPED_POINT);
 
 	if (dc->soc->supports_block_linear) {
-		unsigned long height = state->tiling.value;
+		unsigned long height = tegra_plane_state->tiling.value;
 
 		/* XXX */
-		switch (state->tiling.mode) {
+		switch (tegra_plane_state->tiling.mode) {
 		case TEGRA_BO_TILING_MODE_PITCH:
 			value = DC_WINBUF_SURFACE_KIND_BLOCK_HEIGHT(0) |
 				DC_WINBUF_SURFACE_KIND_PITCH;

drivers/gpu/drm/tegra/plane.c

···
 #include <drm/drm_atomic.h>
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_fourcc.h>
-#include <drm/drm_gem_framebuffer_helper.h>
+#include <drm/drm_gem_atomic_helper.h>
 #include <drm/drm_plane_helper.h>
 
 #include "dc.h"
···
 	if (!state->fb)
 		return 0;
 
-	drm_gem_fb_prepare_fb(plane, state);
+	drm_gem_plane_helper_prepare_fb(plane, state);
 
 	return tegra_dc_pin(dc, to_tegra_plane_state(state));
 }

drivers/gpu/drm/tidss/tidss_kms.c

···
  * Author: Tomi Valkeinen <[e-mail]>
  */
 
+#include <linux/dma-fence.h>
+
 #include <drm/drm_atomic.h>
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_bridge.h>
···
 {
 	struct drm_device *ddev = old_state->dev;
 	struct tidss_device *tidss = to_tidss(ddev);
+	bool fence_cookie = dma_fence_begin_signalling();
 
 	dev_dbg(ddev->dev, "%s\n", __func__);
 
···
 	drm_atomic_helper_commit_modeset_enables(ddev, old_state);
 
 	drm_atomic_helper_commit_hw_done(old_state);
+	dma_fence_end_signalling(fence_cookie);
 	drm_atomic_helper_wait_for_flip_done(ddev, old_state);
 
 	drm_atomic_helper_cleanup_planes(ddev, old_state);

drivers/gpu/drm/tidss/tidss_plane.c

···
 #include <drm/drm_crtc_helper.h>
 #include <drm/drm_fourcc.h>
 #include <drm/drm_fb_cma_helper.h>
-#include <drm/drm_gem_framebuffer_helper.h>
+#include <drm/drm_gem_atomic_helper.h>
 
 #include "tidss_crtc.h"
 #include "tidss_dispc.h"
···
 /* drm_plane_helper_funcs */
 
 static int tidss_plane_atomic_check(struct drm_plane *plane,
-				    struct drm_plane_state *state)
+				    struct drm_atomic_state *state)
 {
+	struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
+										 plane);
 	struct drm_device *ddev = plane->dev;
 	struct tidss_device *tidss = to_tidss(ddev);
 	struct tidss_plane *tplane = to_tidss_plane(plane);
···
 
 	dev_dbg(ddev->dev, "%s\n", __func__);
 
-	if (!state->crtc) {
+	if (!new_plane_state->crtc) {
 		/*
 		 * The visible field is not reset by the DRM core but only
 		 * updated by drm_plane_helper_check_state(), set it manually.
 		 */
-		state->visible = false;
+		new_plane_state->visible = false;
 		return 0;
 	}
 
-	crtc_state = drm_atomic_get_crtc_state(state->state, state->crtc);
+	crtc_state = drm_atomic_get_crtc_state(state,
+					       new_plane_state->crtc);
 	if (IS_ERR(crtc_state))
 		return PTR_ERR(crtc_state);
 
-	ret = drm_atomic_helper_check_plane_state(state, crtc_state, 0,
+	ret = drm_atomic_helper_check_plane_state(new_plane_state, crtc_state,
+						  0,
 						  INT_MAX, true, true);
 	if (ret < 0)
 		return ret;
···
 	 * check for odd height).
 	 */
 
-	finfo = drm_format_info(state->fb->format->format);
+	finfo = drm_format_info(new_plane_state->fb->format->format);
 
-	if ((state->src_x >> 16) % finfo->hsub != 0) {
+	if ((new_plane_state->src_x >> 16) % finfo->hsub != 0) {
 		dev_dbg(ddev->dev,
 			"%s: x-position %u not divisible subpixel size %u\n",
-			__func__, (state->src_x >> 16), finfo->hsub);
+			__func__, (new_plane_state->src_x >> 16), finfo->hsub);
 		return -EINVAL;
 	}
 
-	if ((state->src_y >> 16) % finfo->vsub != 0) {
+	if ((new_plane_state->src_y >> 16) % finfo->vsub != 0) {
 		dev_dbg(ddev->dev,
 			"%s: y-position %u not divisible subpixel size %u\n",
-			__func__, (state->src_y >> 16), finfo->vsub);
+			__func__, (new_plane_state->src_y >> 16), finfo->vsub);
 		return -EINVAL;
 	}
 
-	if ((state->src_w >> 16) % finfo->hsub != 0) {
+	if ((new_plane_state->src_w >> 16) % finfo->hsub != 0) {
 		dev_dbg(ddev->dev,
 			"%s: src width %u not divisible by subpixel size %u\n",
-			 __func__, (state->src_w >> 16), finfo->hsub);
+			 __func__, (new_plane_state->src_w >> 16),
+			 finfo->hsub);
 		return -EINVAL;
 	}
 
-	if (!state->visible)
+	if (!new_plane_state->visible)
 		return 0;
 
-	hw_videoport = to_tidss_crtc(state->crtc)->hw_videoport;
+	hw_videoport = to_tidss_crtc(new_plane_state->crtc)->hw_videoport;
 
-	ret = dispc_plane_check(tidss->dispc, hw_plane, state, hw_videoport);
+	ret = dispc_plane_check(tidss->dispc, hw_plane, new_plane_state,
+				hw_videoport);
 	if (ret)
 		return ret;
 
···
 }
 
 static void tidss_plane_atomic_update(struct drm_plane *plane,
-				      struct drm_plane_state *old_state)
+				      struct drm_atomic_state *state)
 {
 	struct drm_device *ddev = plane->dev;
 	struct tidss_device *tidss = to_tidss(ddev);
 	struct tidss_plane *tplane = to_tidss_plane(plane);
-	struct drm_plane_state *state = plane->state;
+	struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
+									   plane);
 	u32 hw_videoport;
 	int ret;
 
 	dev_dbg(ddev->dev, "%s\n", __func__);
 
-	if (!state->visible) {
+	if (!new_state->visible) {
 		dispc_plane_enable(tidss->dispc, tplane->hw_plane_id, false);
 		return;
 	}
 
-	hw_videoport = to_tidss_crtc(state->crtc)->hw_videoport;
+	hw_videoport = to_tidss_crtc(new_state->crtc)->hw_videoport;
 
 	ret = dispc_plane_setup(tidss->dispc, tplane->hw_plane_id,
-				state, hw_videoport);
+				new_state, hw_videoport);
 
 	if (ret) {
 		dev_err(plane->dev->dev, "%s: Failed to setup plane %d\n",
···
 }
 
 static void tidss_plane_atomic_disable(struct drm_plane *plane,
-				       struct drm_plane_state *old_state)
+				       struct drm_atomic_state *state)
 {
 	struct drm_device *ddev = plane->dev;
 	struct tidss_device *tidss = to_tidss(ddev);
···
 }
 
 static const struct drm_plane_helper_funcs tidss_plane_helper_funcs = {
-	.prepare_fb = drm_gem_fb_prepare_fb,
+	.prepare_fb = drm_gem_plane_helper_prepare_fb,
 	.atomic_check = tidss_plane_atomic_check,
 	.atomic_update = tidss_plane_atomic_update,
 	.atomic_disable = tidss_plane_atomic_disable,

drivers/gpu/drm/tilcdc/tilcdc_crtc.c

···
 			return;
 		}
 	}
-	reg |= info->fdd < 12;
+	reg |= info->fdd << 12;
 	tilcdc_write(dev, LCDC_RASTER_CTRL_REG, reg);
 
 	if (info->invert_pxl_clk)
···
 			__func__);
 
 	drm_crtc_vblank_off(crtc);
+
+	spin_lock_irq(&crtc->dev->event_lock);
+
+	if (crtc->state->event) {
+		drm_crtc_send_vblank_event(crtc, crtc->state->event);
+		crtc->state->event = NULL;
+	}
+
+	spin_unlock_irq(&crtc->dev->event_lock);
 
 	tilcdc_crtc_disable_irqs(dev);
 
···
 	tilcdc_clear_irqstatus(dev, stat);
 
 	if (stat & LCDC_END_OF_FRAME0) {
-		unsigned long flags;
 		bool skip_event = false;
 		ktime_t now;
 
 		now = ktime_get();
 
-		spin_lock_irqsave(&tilcdc_crtc->irq_lock, flags);
+		spin_lock(&tilcdc_crtc->irq_lock);
 
 		tilcdc_crtc->last_vblank = now;
 
···
 			skip_event = true;
 		}
 
-		spin_unlock_irqrestore(&tilcdc_crtc->irq_lock, flags);
+		spin_unlock(&tilcdc_crtc->irq_lock);
 
 		drm_crtc_handle_vblank(crtc);
 
 		if (!skip_event) {
 			struct drm_pending_vblank_event *event;
 
-			spin_lock_irqsave(&dev->event_lock, flags);
+			spin_lock(&dev->event_lock);
 
 			event = tilcdc_crtc->event;
 			tilcdc_crtc->event = NULL;
 			if (event)
 				drm_crtc_send_vblank_event(crtc, event);
 
-			spin_unlock_irqrestore(&dev->event_lock, flags);
+			spin_unlock(&dev->event_lock);
 		}
 
 		if (tilcdc_crtc->frame_intact)

drivers/gpu/drm/tilcdc/tilcdc_plane.c

···
 };
 
 static int tilcdc_plane_atomic_check(struct drm_plane *plane,
-				     struct drm_plane_state *state)
+				     struct drm_atomic_state *state)
 {
+	struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
+									   plane);
 	struct drm_crtc_state *crtc_state;
-	struct drm_plane_state *old_state = plane->state;
+	struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state,
+									   plane);
 	unsigned int pitch;
 
-	if (!state->crtc)
+	if (!new_state->crtc)
 		return 0;
 
-	if (WARN_ON(!state->fb))
+	if (WARN_ON(!new_state->fb))
 		return -EINVAL;
 
-	if (state->crtc_x || state->crtc_y) {
+	if (new_state->crtc_x || new_state->crtc_y) {
 		dev_err(plane->dev->dev, "%s: crtc position must be zero.",
 			__func__);
 		return -EINVAL;
 	}
 
-	crtc_state = drm_atomic_get_existing_crtc_state(state->state,
-							state->crtc);
+	crtc_state = drm_atomic_get_existing_crtc_state(state,
+							new_state->crtc);
 	/* we should have a crtc state if the plane is attached to a crtc */
 	if (WARN_ON(!crtc_state))
 		return 0;
 
-	if (crtc_state->mode.hdisplay != state->crtc_w ||
-	    crtc_state->mode.vdisplay != state->crtc_h) {
+	if (crtc_state->mode.hdisplay != new_state->crtc_w ||
+	    crtc_state->mode.vdisplay != new_state->crtc_h) {
 		dev_err(plane->dev->dev,
 			"%s: Size must match mode (%dx%d == %dx%d)", __func__,
 			crtc_state->mode.hdisplay, crtc_state->mode.vdisplay,
-			state->crtc_w, state->crtc_h);
+			new_state->crtc_w, new_state->crtc_h);
 		return -EINVAL;
 	}
 
 	pitch = crtc_state->mode.hdisplay *
-		state->fb->format->cpp[0];
-	if (state->fb->pitches[0] != pitch) {
+		new_state->fb->format->cpp[0];
+	if (new_state->fb->pitches[0] != pitch) {
 		dev_err(plane->dev->dev,
 			"Invalid pitch: fb and crtc widths must be the same");
 		return -EINVAL;
 	}
 
-	if (old_state->fb && state->fb->format != old_state->fb->format) {
+	if (old_state->fb && new_state->fb->format != old_state->fb->format) {
 		dev_dbg(plane->dev->dev,
 			"%s(): pixel format change requires mode_change\n",
 			__func__);
···
 }
 
 static void tilcdc_plane_atomic_update(struct drm_plane *plane,
-				       struct drm_plane_state *old_state)
+				       struct drm_atomic_state *state)
 {
-	struct drm_plane_state *state = plane->state;
+	struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
+									   plane);
 
-	if (!state->crtc)
+	if (!new_state->crtc)
 		return;
 
-	if (WARN_ON(!state->fb || !state->crtc->state))
+	if (WARN_ON(!new_state->fb || !new_state->crtc->state))
 		return;
 
-	if (tilcdc_crtc_update_fb(state->crtc,
-				  state->fb,
-				  state->crtc->state->event) == 0) {
-		state->crtc->state->event = NULL;
+	if (tilcdc_crtc_update_fb(new_state->crtc,
+				  new_state->fb,
+				  new_state->crtc->state->event) == 0) {
+		new_state->crtc->state->event = NULL;
 	}
 }
 

drivers/gpu/drm/tiny/Kconfig

···
 # SPDX-License-Identifier: GPL-2.0-only
 
+config DRM_ARCPGU
+	tristate "ARC PGU"
+	depends on DRM && OF
+	select DRM_KMS_CMA_HELPER
+	select DRM_KMS_HELPER
+	help
+	  Choose this option if you have an ARC PGU controller.
+
+	  If M is selected the module will be called arcpgu.
+
 config DRM_CIRRUS_QEMU
 	tristate "Cirrus driver for QEMU emulated device"
 	depends on DRM && PCI && MMU

drivers/gpu/drm/tiny/Makefile

···
 # SPDX-License-Identifier: GPL-2.0-only
 
+obj-$(CONFIG_DRM_ARCPGU)		+= arcpgu.o
 obj-$(CONFIG_DRM_CIRRUS_QEMU)		+= cirrus.o
 obj-$(CONFIG_DRM_GM12U320)		+= gm12u320.o
 obj-$(CONFIG_TINYDRM_HX8357D)		+= hx8357d.o

drivers/gpu/drm/tiny/arcpgu.c

···
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * ARC PGU DRM driver.
+ *
+ * Copyright (C) 2016 Synopsys, Inc. (www.synopsys.com)
+ */
+
+#include <linux/clk.h>
+#include <drm/drm_atomic_helper.h>
+#include <drm/drm_debugfs.h>
+#include <drm/drm_device.h>
+#include <drm/drm_drv.h>
+#include <drm/drm_fb_cma_helper.h>
+#include <drm/drm_fb_helper.h>
+#include <drm/drm_fourcc.h>
+#include <drm/drm_gem_cma_helper.h>
+#include <drm/drm_gem_framebuffer_helper.h>
+#include <drm/drm_of.h>
+#include <drm/drm_probe_helper.h>
+#include <drm/drm_simple_kms_helper.h>
+#include <linux/dma-mapping.h>
+#include <linux/module.h>
+#include <linux/of_reserved_mem.h>
+#include <linux/platform_device.h>
+
+#define ARCPGU_REG_CTRL		0x00
+#define ARCPGU_REG_STAT		0x04
+#define ARCPGU_REG_FMT		0x10
+#define ARCPGU_REG_HSYNC	0x14
+#define ARCPGU_REG_VSYNC	0x18
+#define ARCPGU_REG_ACTIVE	0x1c
+#define ARCPGU_REG_BUF0_ADDR	0x40
+#define ARCPGU_REG_STRIDE	0x50
+#define ARCPGU_REG_START_SET	0x84
+
+#define ARCPGU_REG_ID		0x3FC
+
+#define ARCPGU_CTRL_ENABLE_MASK	0x02
+#define ARCPGU_CTRL_VS_POL_MASK	0x1
+#define ARCPGU_CTRL_VS_POL_OFST	0x3
+#define ARCPGU_CTRL_HS_POL_MASK	0x1
+#define ARCPGU_CTRL_HS_POL_OFST	0x4
+#define ARCPGU_MODE_XRGB8888	BIT(2)
+#define ARCPGU_STAT_BUSY_MASK	0x02
+
+struct arcpgu_drm_private {
+	struct drm_device	drm;
+	void __iomem		*regs;
+	struct clk		*clk;
+	struct drm_simple_display_pipe pipe;
+	struct drm_connector	sim_conn;
+};
+
+#define dev_to_arcpgu(x) container_of(x, struct arcpgu_drm_private, drm)
+
+#define pipe_to_arcpgu_priv(x) container_of(x, struct arcpgu_drm_private, pipe)
+
+static inline void arc_pgu_write(struct arcpgu_drm_private *arcpgu,
+				 unsigned int reg, u32 value)
+{
+	iowrite32(value, arcpgu->regs + reg);
+}
+
+static inline u32 arc_pgu_read(struct arcpgu_drm_private *arcpgu,
+			       unsigned int reg)
+{
+	return ioread32(arcpgu->regs + reg);
+}
+
+#define XRES_DEF	640
+#define YRES_DEF	480
+
+#define XRES_MAX	8192
+#define YRES_MAX	8192
+
+static int arcpgu_drm_connector_get_modes(struct drm_connector *connector)
+{
+	int count;
+
+	count = drm_add_modes_noedid(connector, XRES_MAX, YRES_MAX);
+	drm_set_preferred_mode(connector, XRES_DEF, YRES_DEF);
+	return count;
+}
+
+static const struct drm_connector_helper_funcs
+arcpgu_drm_connector_helper_funcs = {
+	.get_modes = arcpgu_drm_connector_get_modes,
+};
+
+static const struct drm_connector_funcs arcpgu_drm_connector_funcs = {
+	.reset = drm_atomic_helper_connector_reset,
+	.fill_modes = drm_helper_probe_single_connector_modes,
+	.destroy = drm_connector_cleanup,
+	.atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
+	.atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
+};
+
+static int arcpgu_drm_sim_init(struct drm_device *drm, struct drm_connector *connector)
+{
+	drm_connector_helper_add(connector, &arcpgu_drm_connector_helper_funcs);
+	return drm_connector_init(drm, connector, &arcpgu_drm_connector_funcs,
+				  DRM_MODE_CONNECTOR_VIRTUAL);
+}
+
+#define ENCODE_PGU_XY(x, y)	((((x) - 1) << 16) | ((y) - 1))
+
+static const u32 arc_pgu_supported_formats[] = {
+	DRM_FORMAT_RGB565,
+	DRM_FORMAT_XRGB8888,
+	DRM_FORMAT_ARGB8888,
+};
+
+static void arc_pgu_set_pxl_fmt(struct arcpgu_drm_private *arcpgu)
+{
+	const struct drm_framebuffer *fb = arcpgu->pipe.plane.state->fb;
+	uint32_t pixel_format = fb->format->format;
+	u32 format = DRM_FORMAT_INVALID;
+	int i;
+	u32 reg_ctrl;
+
+	for (i = 0; i < ARRAY_SIZE(arc_pgu_supported_formats); i++) {
+		if (arc_pgu_supported_formats[i] == pixel_format)
+			format = arc_pgu_supported_formats[i];
+	}
+
+	if (WARN_ON(format == DRM_FORMAT_INVALID))
+		return;
+
+	reg_ctrl = arc_pgu_read(arcpgu, ARCPGU_REG_CTRL);
+	if (format == DRM_FORMAT_RGB565)
+		reg_ctrl &= ~ARCPGU_MODE_XRGB8888;
+	else
+		reg_ctrl |= ARCPGU_MODE_XRGB8888;
+	arc_pgu_write(arcpgu, ARCPGU_REG_CTRL, reg_ctrl);
+}
+
+static enum drm_mode_status arc_pgu_mode_valid(struct drm_simple_display_pipe *pipe,
+					       const struct drm_display_mode *mode)
+{
+	struct arcpgu_drm_private *arcpgu = pipe_to_arcpgu_priv(pipe);
+	long rate, clk_rate = mode->clock * 1000;
+	long diff = clk_rate / 200; /* +-0.5% allowed by HDMI spec */
+
+	rate = clk_round_rate(arcpgu->clk, clk_rate);
+	if ((max(rate, clk_rate) - min(rate, clk_rate) < diff) && (rate > 0))
+		return MODE_OK;
+
+	return MODE_NOCLOCK;
+}
+
+static void arc_pgu_mode_set(struct arcpgu_drm_private *arcpgu)
+{
+	struct drm_display_mode *m = &arcpgu->pipe.crtc.state->adjusted_mode;
+	u32 val;
+
+	arc_pgu_write(arcpgu, ARCPGU_REG_FMT,
+		      ENCODE_PGU_XY(m->crtc_htotal, m->crtc_vtotal));
+
+	arc_pgu_write(arcpgu, ARCPGU_REG_HSYNC,
+		      ENCODE_PGU_XY(m->crtc_hsync_start - m->crtc_hdisplay,
+				    m->crtc_hsync_end - m->crtc_hdisplay));
+
+	arc_pgu_write(arcpgu, ARCPGU_REG_VSYNC,
+		      ENCODE_PGU_XY(m->crtc_vsync_start - m->crtc_vdisplay,
+				    m->crtc_vsync_end - m->crtc_vdisplay));
+
+	arc_pgu_write(arcpgu, ARCPGU_REG_ACTIVE,
+		      ENCODE_PGU_XY(m->crtc_hblank_end - m->crtc_hblank_start,
+				    m->crtc_vblank_end - m->crtc_vblank_start));
+
+	val = arc_pgu_read(arcpgu, ARCPGU_REG_CTRL);
+
+	if (m->flags & DRM_MODE_FLAG_PVSYNC)
+		val |= ARCPGU_CTRL_VS_POL_MASK << ARCPGU_CTRL_VS_POL_OFST;
+	else
+		val &= ~(ARCPGU_CTRL_VS_POL_MASK << ARCPGU_CTRL_VS_POL_OFST);
+
+	if (m->flags & DRM_MODE_FLAG_PHSYNC)
+		val |= ARCPGU_CTRL_HS_POL_MASK << ARCPGU_CTRL_HS_POL_OFST;
+	else
+		val &= ~(ARCPGU_CTRL_HS_POL_MASK << ARCPGU_CTRL_HS_POL_OFST);
+
+	arc_pgu_write(arcpgu, ARCPGU_REG_CTRL, val);
+	arc_pgu_write(arcpgu, ARCPGU_REG_STRIDE, 0);
+	arc_pgu_write(arcpgu, ARCPGU_REG_START_SET, 1);
+
+	arc_pgu_set_pxl_fmt(arcpgu);
+
+	clk_set_rate(arcpgu->clk, m->crtc_clock * 1000);
+}
+
+static void arc_pgu_enable(struct drm_simple_display_pipe *pipe,
+			   struct drm_crtc_state *crtc_state,
+			   struct drm_plane_state *plane_state)
+{
+	struct arcpgu_drm_private *arcpgu = pipe_to_arcpgu_priv(pipe);
+
+	arc_pgu_mode_set(arcpgu);
+
+	clk_prepare_enable(arcpgu->clk);
+	arc_pgu_write(arcpgu, ARCPGU_REG_CTRL,
+		      arc_pgu_read(arcpgu, ARCPGU_REG_CTRL) |
+		      ARCPGU_CTRL_ENABLE_MASK);
+}
+
+static void arc_pgu_disable(struct drm_simple_display_pipe *pipe)
+{
+	struct arcpgu_drm_private *arcpgu = pipe_to_arcpgu_priv(pipe);
+
+	clk_disable_unprepare(arcpgu->clk);
+	arc_pgu_write(arcpgu, ARCPGU_REG_CTRL,
+			      arc_pgu_read(arcpgu, ARCPGU_REG_CTRL) &
+			      ~ARCPGU_CTRL_ENABLE_MASK);
+}
+
+static void arc_pgu_update(struct drm_simple_display_pipe *pipe,
+			   struct drm_plane_state *state)
+{
+	struct arcpgu_drm_private *arcpgu;
+	struct drm_gem_cma_object *gem;
+
+	if (!pipe->plane.state->fb)
+		return;
+
+	arcpgu = pipe_to_arcpgu_priv(pipe);
+	gem = drm_fb_cma_get_gem_obj(pipe->plane.state->fb, 0);
+	arc_pgu_write(arcpgu, ARCPGU_REG_BUF0_ADDR, gem->paddr);
+}
+
+static const struct drm_simple_display_pipe_funcs arc_pgu_pipe_funcs = {
+	.update = arc_pgu_update,
+	.mode_valid = arc_pgu_mode_valid,
+	.enable	= arc_pgu_enable,
+	.disable = arc_pgu_disable,
+};
+
+static const struct drm_mode_config_funcs arcpgu_drm_modecfg_funcs = {
+	.fb_create  = drm_gem_fb_create,
+	.atomic_check = drm_atomic_helper_check,
+	.atomic_commit = drm_atomic_helper_commit,
+};
+
+DEFINE_DRM_GEM_CMA_FOPS(arcpgu_drm_ops);
+
+static int arcpgu_load(struct arcpgu_drm_private *arcpgu)
+{
+	struct platform_device *pdev = to_platform_device(arcpgu->drm.dev);
+	struct device_node *encoder_node = NULL, *endpoint_node = NULL;
+	struct drm_connector *connector = NULL;
+	struct drm_device *drm = &arcpgu->drm;
+	struct resource *res;
+	int ret;
+
+	arcpgu->clk = devm_clk_get(drm->dev, "pxlclk");
+	if (IS_ERR(arcpgu->clk))
+		return PTR_ERR(arcpgu->clk);
+
+	ret = drmm_mode_config_init(drm);
+	if (ret)
+		return ret;
+
+	drm->mode_config.min_width = 0;
+	drm->mode_config.min_height = 0;
+	drm->mode_config.max_width = 1920;
+	drm->mode_config.max_height = 1080;
+	drm->mode_config.funcs = &arcpgu_drm_modecfg_funcs;
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	arcpgu->regs = devm_ioremap_resource(&pdev->dev, res);
+	if (IS_ERR(arcpgu->regs))
+		return PTR_ERR(arcpgu->regs);
+
+	dev_info(drm->dev, "arc_pgu ID: 0x%x\n",
+		 arc_pgu_read(arcpgu, ARCPGU_REG_ID));
+
+	/* Get the optional framebuffer memory resource */
+	ret = of_reserved_mem_device_init(drm->dev);
+	if (ret && ret != -ENODEV)
+		return ret;
+
+	if (dma_set_mask_and_coherent(drm->dev, DMA_BIT_MASK(32)))
+		return -ENODEV;
+
+	/*
+	 * There is only one output port inside each device. It is linked with
+	 * encoder endpoint.
+	 */
+	endpoint_node = of_graph_get_next_endpoint(pdev->dev.of_node, NULL);
+	if (endpoint_node) {
+		encoder_node = of_graph_get_remote_port_parent(endpoint_node);
+		of_node_put(endpoint_node);
+	} else {
+		connector = &arcpgu->sim_conn;
+		dev_info(drm->dev, "no encoder found. Assumed virtual LCD on simulation platform\n");
+		ret = arcpgu_drm_sim_init(drm, connector);
+		if (ret < 0)
+			return ret;
+	}
+
+	ret = drm_simple_display_pipe_init(drm, &arcpgu->pipe, &arc_pgu_pipe_funcs,
+					   arc_pgu_supported_formats,
+					   ARRAY_SIZE(arc_pgu_supported_formats),
+					   NULL, connector);
+	if (ret)
+		return ret;
+
+	if (encoder_node) {
+		struct drm_bridge *bridge;
+
+		/* Locate drm bridge from the hdmi encoder DT node */
+		bridge = of_drm_find_bridge(encoder_node);
+		if (!bridge)
+			return -EPROBE_DEFER;
+
+		ret = drm_simple_display_pipe_attach_bridge(&arcpgu->pipe, bridge);
+		if (ret)
+			return ret;
+	}
+
+	drm_mode_config_reset(drm);
+	drm_kms_helper_poll_init(drm);
+
+	platform_set_drvdata(pdev, drm);
+	return 0;
+}
+
+static int arcpgu_unload(struct drm_device *drm)
+{
+	drm_kms_helper_poll_fini(drm);
+	drm_atomic_helper_shutdown(drm);
+
+	return 0;
+}
+
+#ifdef CONFIG_DEBUG_FS
+static int arcpgu_show_pxlclock(struct seq_file *m, void *arg)
+{
+	struct drm_info_node *node = (struct drm_info_node *)m->private;
+	struct drm_device *drm = node->minor->dev;
+	struct arcpgu_drm_private *arcpgu = dev_to_arcpgu(drm);
+	unsigned long clkrate = clk_get_rate(arcpgu->clk);
+	unsigned long mode_clock = arcpgu->pipe.crtc.mode.crtc_clock * 1000;
+
+	seq_printf(m, "hw  : %lu\n", clkrate);
+	seq_printf(m, "mode: %lu\n", mode_clock);
+	return 0;
+}
+
+static struct drm_info_list arcpgu_debugfs_list[] = {
+	{ "clocks", arcpgu_show_pxlclock, 0 },
+};
+
+static void arcpgu_debugfs_init(struct drm_minor *minor)
+{
+	drm_debugfs_create_files(arcpgu_debugfs_list,
+				 ARRAY_SIZE(arcpgu_debugfs_list),
+				 minor->debugfs_root, minor);
+}
+#endif
+
+static const struct drm_driver arcpgu_drm_driver = {
+	.driver_features = DRIVER_MODESET | DRIVER_GEM | DRIVER_ATOMIC,
+	.name = "arcpgu",
+	.desc = "ARC PGU Controller",
+	.date = "20160219",
+	.major = 1,
+	.minor = 0,
+	.patchlevel = 0,
+	.fops = &arcpgu_drm_ops,
+	DRM_GEM_CMA_DRIVER_OPS,
+#ifdef CONFIG_DEBUG_FS
+	.debugfs_init = arcpgu_debugfs_init,
+#endif
+};
+
+static int arcpgu_probe(struct platform_device *pdev)
+{
+	struct arcpgu_drm_private *arcpgu;
+	int ret;
+
+	arcpgu = devm_drm_dev_alloc(&pdev->dev, &arcpgu_drm_driver,
+				    struct arcpgu_drm_private, drm);
+	if (IS_ERR(arcpgu))
+		return PTR_ERR(arcpgu);
+
+	ret = arcpgu_load(arcpgu);
+	if (ret)
+		return ret;
+
+	ret = drm_dev_register(&arcpgu->drm, 0);
+	if (ret)
+		goto err_unload;
+
+	drm_fbdev_generic_setup(&arcpgu->drm, 16);
+
+	return 0;
+
+err_unload:
+	arcpgu_unload(&arcpgu->drm);
+
+	return ret;
+}
+
+static int arcpgu_remove(struct platform_device *pdev)
+{
+	struct drm_device *drm = platform_get_drvdata(pdev);
+
+	drm_dev_unregister(drm);
+	arcpgu_unload(drm);
+
+	return 0;
+}
+
+static const struct of_device_id arcpgu_of_table[] = {
+	{.compatible = "snps,arcpgu"},
+	{}
+};
+
+MODULE_DEVICE_TABLE(of, arcpgu_of_table);
+
+static struct platform_driver arcpgu_platform_driver = {
+	.probe = arcpgu_probe,
+	.remove = arcpgu_remove,
+	.driver = {
+		   .name = "arcpgu",
+		   .of_match_table = arcpgu_of_table,
+		   },
+};
+
+module_platform_driver(arcpgu_platform_driver);
+
+MODULE_AUTHOR("Carlos Palminha <[e-mail]>");
+MODULE_DESCRIPTION("ARC PGU DRM driver");
+MODULE_LICENSE("GPL");

drivers/gpu/drm/tiny/cirrus.c

···
 #include <drm/drm_file.h>
 #include <drm/drm_format_helper.h>
 #include <drm/drm_fourcc.h>
-#include <drm/drm_gem_shmem_helper.h>
+#include <drm/drm_gem_atomic_helper.h>
 #include <drm/drm_gem_framebuffer_helper.h>
+#include <drm/drm_gem_shmem_helper.h>
 #include <drm/drm_ioctl.h>
 #include <drm/drm_managed.h>
 #include <drm/drm_modeset_helper_vtables.h>
···
 	return 0;
 }
 
-static int cirrus_fb_blit_rect(struct drm_framebuffer *fb,
+static int cirrus_fb_blit_rect(struct drm_framebuffer *fb, const struct dma_buf_map *map,
 			       struct drm_rect *rect)
 {
 	struct cirrus_device *cirrus = to_cirrus(fb->dev);
-	struct dma_buf_map map;
-	void *vmap;
-	int idx, ret;
+	void *vmap = map->vaddr; /* TODO: Use mapping abstraction properly */
+	int idx;
 
-	ret = -ENODEV;
 	if (!drm_dev_enter(&cirrus->dev, &idx))
-		goto out;
-
-	ret = drm_gem_shmem_vmap(fb->obj[0], &map);
-	if (ret)
-		goto out_dev_exit;
-	vmap = map.vaddr; /* TODO: Use mapping abstraction properly */
+		return -ENODEV;
 
 	if (cirrus->cpp == fb->format->cpp[0])
 		drm_fb_memcpy_dstclip(cirrus->vram,
···
 	else
 		WARN_ON_ONCE("cpp mismatch");
 
-	drm_gem_shmem_vunmap(fb->obj[0], &map);
-	ret = 0;
-
-out_dev_exit:
 	drm_dev_exit(idx);
-out:
-	return ret;
+
+	return 0;
 }
 
-static int cirrus_fb_blit_fullscreen(struct drm_framebuffer *fb)
+static int cirrus_fb_blit_fullscreen(struct drm_framebuffer *fb, const struct dma_buf_map *map)
 {
 	struct drm_rect fullscreen = {
 		.x1 = 0,
···
 		.y1 = 0,
 		.y2 = fb->height,
 	};
-	return cirrus_fb_blit_rect(fb, &fullscreen);
+	return cirrus_fb_blit_rect(fb, map, &fullscreen);
 }
 
 static int cirrus_check_size(int width, int height,
···
 			       struct drm_plane_state *plane_state)
 {
 	struct cirrus_device *cirrus = to_cirrus(pipe->crtc.dev);
+	struct drm_shadow_plane_state *shadow_plane_state = to_drm_shadow_plane_state(plane_state);
 
 	cirrus_mode_set(cirrus, &crtc_state->mode, plane_state->fb);
-	cirrus_fb_blit_fullscreen(plane_state->fb);
+	cirrus_fb_blit_fullscreen(plane_state->fb, &shadow_plane_state->map[0]);
 }
 
 static void cirrus_pipe_update(struct drm_simple_display_pipe *pipe,
···
 {
 	struct cirrus_device *cirrus = to_cirrus(pipe->crtc.dev);
 	struct drm_plane_state *state = pipe->plane.state;
+	struct drm_shadow_plane_state *shadow_plane_state = to_drm_shadow_plane_state(state);
 	struct drm_crtc *crtc = &pipe->crtc;
 	struct drm_rect rect;
 
-	if (pipe->plane.state->fb &&
-	    cirrus->cpp != cirrus_cpp(pipe->plane.state->fb))
-		cirrus_mode_set(cirrus, &crtc->mode,
-				pipe->plane.state->fb);
+	if (state->fb && cirrus->cpp != cirrus_cpp(state->fb))
+		cirrus_mode_set(cirrus, &crtc->mode, state->fb);
 
 	if (drm_atomic_helper_damage_merged(old_state, state, &rect))
-		cirrus_fb_blit_rect(pipe->plane.state->fb, &rect);
+		cirrus_fb_blit_rect(state->fb, &shadow_plane_state->map[0], &rect);
 }
 
 static const struct drm_simple_display_pipe_funcs cirrus_pipe_funcs = {
···
 	.check	    = cirrus_pipe_check,
 	.enable	    = cirrus_pipe_enable,
 	.update	    = cirrus_pipe_update,
+	DRM_GEM_SIMPLE_DISPLAY_PIPE_SHADOW_PLANE_FUNCS,
 };
 
 static const uint32_t cirrus_formats[] = {

drivers/gpu/drm/tiny/gm12u320.c

···
 #include <drm/drm_file.h>
 #include <drm/drm_format_helper.h>
 #include <drm/drm_fourcc.h>
-#include <drm/drm_gem_shmem_helper.h>
+#include <drm/drm_gem_atomic_helper.h>
 #include <drm/drm_gem_framebuffer_helper.h>
+#include <drm/drm_gem_shmem_helper.h>
 #include <drm/drm_ioctl.h>
 #include <drm/drm_managed.h>
 #include <drm/drm_modeset_helper_vtables.h>
···
 		struct drm_rect          rect;
 		int frame;
 		int draw_status_timeout;
+		struct dma_buf_map src_map;
 	} fb_update;
 };
 
···
 {
 	int block, dst_offset, len, remain, ret, x1, x2, y1, y2;
 	struct drm_framebuffer *fb;
-	struct dma_buf_map map;
 	void *vaddr;
 	u8 *src;
 
···
 	x2 = gm12u320->fb_update.rect.x2;
 	y1 = gm12u320->fb_update.rect.y1;
 	y2 = gm12u320->fb_update.rect.y2;
-
-	ret = drm_gem_shmem_vmap(fb->obj[0], &map);
-	if (ret) {
-		GM12U320_ERR("failed to vmap fb: %d\n", ret);
-		goto put_fb;
-	}
-	vaddr = map.vaddr; /* TODO: Use mapping abstraction properly */
+	vaddr = gm12u320->fb_update.src_map.vaddr; /* TODO: Use mapping abstraction properly */
 
 	if (fb->obj[0]->import_attach) {
 		ret = dma_buf_begin_cpu_access(
 			fb->obj[0]->import_attach->dmabuf, DMA_FROM_DEVICE);
 		if (ret) {
 			GM12U320_ERR("dma_buf_begin_cpu_access err: %d\n", ret);
-			goto vunmap;
+			goto put_fb;
 		}
 	}
 
···
 		if (ret)
 			GM12U320_ERR("dma_buf_end_cpu_access err: %d\n", ret);
 	}
-vunmap:
-	drm_gem_shmem_vunmap(fb->obj[0], &map);
 put_fb:
 	drm_framebuffer_put(fb);
 	gm12u320->fb_update.fb = NULL;
···
 		GM12U320_ERR("Frame update error: %d\n", ret);
 }
 
-static void gm12u320_fb_mark_dirty(struct drm_framebuffer *fb,
+static void gm12u320_fb_mark_dirty(struct drm_framebuffer *fb, const struct dma_buf_map *map,
 				   struct drm_rect *dirty)
 {
 	struct gm12u320_device *gm12u320 = to_gm12u320(fb->dev);
···
 		drm_framebuffer_get(fb);
 		gm12u320->fb_update.fb = fb;
 		gm12u320->fb_update.rect = *dirty;
+		gm12u320->fb_update.src_map = *map;
 		wakeup = true;
 	} else {
 		struct drm_rect *rect = &gm12u320->fb_update.rect;
···
 	mutex_lock(&gm12u320->fb_update.lock);
 	old_fb = gm12u320->fb_update.fb;
 	gm12u320->fb_update.fb = NULL;
+	dma_buf_map_clear(&gm12u320->fb_update.src_map);
 	mutex_unlock(&gm12u320->fb_update.lock);
 
 	drm_framebuffer_put(old_fb);
···
 {
 	struct drm_rect rect = { 0, 0, GM12U320_USER_WIDTH, GM12U320_HEIGHT };
 	struct gm12u320_device *gm12u320 = to_gm12u320(pipe->crtc.dev);
+	struct drm_shadow_plane_state *shadow_plane_state = to_drm_shadow_plane_state(plane_state);
 
 	gm12u320->fb_update.draw_status_timeout = FIRST_FRAME_TIMEOUT;
-	gm12u320_fb_mark_dirty(plane_state->fb, &rect);
+	gm12u320_fb_mark_dirty(plane_state->fb, &shadow_plane_state->map[0], &rect);
 }
 
 static void gm12u320_pipe_disable(struct drm_simple_display_pipe *pipe)
···
 				 struct drm_plane_state *old_state)
 {
 	struct drm_plane_state *state = pipe->plane.state;
+	struct drm_shadow_plane_state *shadow_plane_state = to_drm_shadow_plane_state(state);
 	struct drm_rect rect;
 
 	if (drm_atomic_helper_damage_merged(old_state, state, &rect))
-		gm12u320_fb_mark_dirty(pipe->plane.state->fb, &rect);
+		gm12u320_fb_mark_dirty(state->fb, &shadow_plane_state->map[0], &rect);
 }
 
 static const struct drm_simple_display_pipe_funcs gm12u320_pipe_funcs = {
 	.enable	    = gm12u320_pipe_enable,
 	.disable    = gm12u320_pipe_disable,
 	.update	    = gm12u320_pipe_update,
+	DRM_GEM_SIMPLE_DISPLAY_PIPE_SHADOW_PLANE_FUNCS,
 };
 
 static const uint32_t gm12u320_pipe_formats[] = {

drivers/gpu/drm/tiny/hx8357d.c

···
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_drv.h>
 #include <drm/drm_fb_helper.h>
+#include <drm/drm_gem_atomic_helper.h>
 #include <drm/drm_gem_cma_helper.h>
-#include <drm/drm_gem_framebuffer_helper.h>
 #include <drm/drm_managed.h>
 #include <drm/drm_mipi_dbi.h>
 #include <drm/drm_modeset_helper.h>
···
 	.enable = yx240qv29_enable,
 	.disable = mipi_dbi_pipe_disable,
 	.update = mipi_dbi_pipe_update,
-	.prepare_fb = drm_gem_fb_simple_display_pipe_prepare_fb,
+	.prepare_fb = drm_gem_simple_display_pipe_prepare_fb,
 };
 
 static const struct drm_display_mode yx350hv15_mode = {

drivers/gpu/drm/tiny/ili9225.c

···
 #include <drm/drm_fb_cma_helper.h>
 #include <drm/drm_fb_helper.h>
 #include <drm/drm_fourcc.h>
+#include <drm/drm_gem_atomic_helper.h>
 #include <drm/drm_gem_cma_helper.h>
-#include <drm/drm_gem_framebuffer_helper.h>
 #include <drm/drm_managed.h>
 #include <drm/drm_mipi_dbi.h>
 #include <drm/drm_rect.h>
···
 	.enable		= ili9225_pipe_enable,
 	.disable	= ili9225_pipe_disable,
 	.update		= ili9225_pipe_update,
-	.prepare_fb	= drm_gem_fb_simple_display_pipe_prepare_fb,
+	.prepare_fb	= drm_gem_simple_display_pipe_prepare_fb,
 };
 
 static const struct drm_display_mode ili9225_mode = {

drivers/gpu/drm/tiny/ili9341.c

···
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_drv.h>
 #include <drm/drm_fb_helper.h>
+#include <drm/drm_gem_atomic_helper.h>
 #include <drm/drm_gem_cma_helper.h>
-#include <drm/drm_gem_framebuffer_helper.h>
 #include <drm/drm_managed.h>
 #include <drm/drm_mipi_dbi.h>
 #include <drm/drm_modeset_helper.h>
···
 	.enable = yx240qv29_enable,
 	.disable = mipi_dbi_pipe_disable,
 	.update = mipi_dbi_pipe_update,
-	.prepare_fb = drm_gem_fb_simple_display_pipe_prepare_fb,
+	.prepare_fb = drm_gem_simple_display_pipe_prepare_fb,
 };
 
 static const struct drm_display_mode yx240qv29_mode = {

drivers/gpu/drm/tiny/ili9486.c

···
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_drv.h>
 #include <drm/drm_fb_helper.h>
+#include <drm/drm_gem_atomic_helper.h>
 #include <drm/drm_gem_cma_helper.h>
-#include <drm/drm_gem_framebuffer_helper.h>
 #include <drm/drm_managed.h>
 #include <drm/drm_mipi_dbi.h>
 #include <drm/drm_modeset_helper.h>
···
 	.enable = waveshare_enable,
 	.disable = mipi_dbi_pipe_disable,
 	.update = mipi_dbi_pipe_update,
-	.prepare_fb = drm_gem_fb_simple_display_pipe_prepare_fb,
+	.prepare_fb = drm_gem_simple_display_pipe_prepare_fb,
 };
 
 static const struct drm_display_mode waveshare_mode = {

drivers/gpu/drm/tiny/mi0283qt.c

···
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_drv.h>
 #include <drm/drm_fb_helper.h>
+#include <drm/drm_gem_atomic_helper.h>
 #include <drm/drm_gem_cma_helper.h>
-#include <drm/drm_gem_framebuffer_helper.h>
 #include <drm/drm_managed.h>
 #include <drm/drm_mipi_dbi.h>
 #include <drm/drm_modeset_helper.h>
···
 	.enable = mi0283qt_enable,
 	.disable = mipi_dbi_pipe_disable,
 	.update = mipi_dbi_pipe_update,
-	.prepare_fb = drm_gem_fb_simple_display_pipe_prepare_fb,
+	.prepare_fb = drm_gem_simple_display_pipe_prepare_fb,
 };
 
 static const struct drm_display_mode mi0283qt_mode = {

drivers/gpu/drm/tiny/repaper.c

···
 #include <drm/drm_fb_cma_helper.h>
 #include <drm/drm_fb_helper.h>
 #include <drm/drm_format_helper.h>
+#include <drm/drm_gem_atomic_helper.h>
 #include <drm/drm_gem_cma_helper.h>
 #include <drm/drm_gem_framebuffer_helper.h>
 #include <drm/drm_managed.h>
···
 	.enable = repaper_pipe_enable,
 	.disable = repaper_pipe_disable,
 	.update = repaper_pipe_update,
-	.prepare_fb = drm_gem_fb_simple_display_pipe_prepare_fb,
+	.prepare_fb = drm_gem_simple_display_pipe_prepare_fb,
 };
 
 static int repaper_connector_get_modes(struct drm_connector *connector)

drivers/gpu/drm/tiny/st7586.c

···
 #include <drm/drm_fb_cma_helper.h>
 #include <drm/drm_fb_helper.h>
 #include <drm/drm_format_helper.h>
+#include <drm/drm_gem_atomic_helper.h>
 #include <drm/drm_gem_cma_helper.h>
-#include <drm/drm_gem_framebuffer_helper.h>
 #include <drm/drm_managed.h>
 #include <drm/drm_mipi_dbi.h>
 #include <drm/drm_rect.h>
···
 	.enable		= st7586_pipe_enable,
 	.disable	= st7586_pipe_disable,
 	.update		= st7586_pipe_update,
-	.prepare_fb	= drm_gem_fb_simple_display_pipe_prepare_fb,
+	.prepare_fb	= drm_gem_simple_display_pipe_prepare_fb,
 };
 
 static const struct drm_display_mode st7586_mode = {

drivers/gpu/drm/tiny/st7735r.c

···
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_drv.h>
 #include <drm/drm_fb_helper.h>
+#include <drm/drm_gem_atomic_helper.h>
 #include <drm/drm_gem_cma_helper.h>
-#include <drm/drm_gem_framebuffer_helper.h>
 #include <drm/drm_managed.h>
 #include <drm/drm_mipi_dbi.h>
 
···
 	.enable		= st7735r_pipe_enable,
 	.disable	= mipi_dbi_pipe_disable,
 	.update		= mipi_dbi_pipe_update,
-	.prepare_fb	= drm_gem_fb_simple_display_pipe_prepare_fb,
+	.prepare_fb	= drm_gem_simple_display_pipe_prepare_fb,
 };
 
 static const struct st7735r_cfg jd_t18003_t01_cfg = {

drivers/gpu/drm/ttm/Makefile

···
 #
 # Makefile for the drm device driver.  This driver provides support for the
 
-ttm-y := ttm_memory.o ttm_tt.o ttm_bo.o \
-	ttm_bo_util.o ttm_bo_vm.o ttm_module.o \
-	ttm_execbuf_util.o ttm_range_manager.o \
-	ttm_resource.o ttm_pool.o
+ttm-y := ttm_tt.o ttm_bo.o ttm_bo_util.o ttm_bo_vm.o ttm_module.o \
+	ttm_execbuf_util.o ttm_range_manager.o ttm_resource.o ttm_pool.o \
+	ttm_device.o
 ttm-$(CONFIG_AGP) += ttm_agp_backend.o
 
 obj-$(CONFIG_DRM_TTM) += ttm.o

drivers/gpu/drm/ttm/ttm_agp_backend.c

···
 int ttm_agp_bind(struct ttm_tt *ttm, struct ttm_resource *bo_mem)
 {
 	struct ttm_agp_backend *agp_be = container_of(ttm, struct ttm_agp_backend, ttm);
-	struct page *dummy_read_page = ttm_bo_glob.dummy_read_page;
+	struct page *dummy_read_page = ttm_glob.dummy_read_page;
 	struct drm_mm_node *node = bo_mem->mm_node;
 	struct agp_memory *mem;
 	int ret, cached = ttm->caching == ttm_cached;

drivers/gpu/drm/ttm/ttm_bo.c

···
 
 #include "ttm_module.h"
 
-static void ttm_bo_global_kobj_release(struct kobject *kobj);
-
-/*
- * ttm_global_mutex - protecting the global BO state
- */
-DEFINE_MUTEX(ttm_global_mutex);
-unsigned ttm_bo_glob_use_count;
-struct ttm_bo_global ttm_bo_glob;
-EXPORT_SYMBOL(ttm_bo_glob);
-
-static struct attribute ttm_bo_count = {
-	.name = "bo_count",
-	.mode = S_IRUGO
-};
-
 /* default destructor */
 static void ttm_bo_default_destroy(struct ttm_buffer_object *bo)
 {
···
 	}
 }
 
-static ssize_t ttm_bo_global_show(struct kobject *kobj,
-				  struct attribute *attr,
-				  char *buffer)
-{
-	struct ttm_bo_global *glob =
-		container_of(kobj, struct ttm_bo_global, kobj);
-
-	return snprintf(buffer, PAGE_SIZE, "%d\n",
-				atomic_read(&glob->bo_count));
-}
-
-static struct attribute *ttm_bo_global_attrs[] = {
-	&ttm_bo_count,
-	NULL
-};
-
-static const struct sysfs_ops ttm_bo_global_ops = {
-	.show = &ttm_bo_global_show
-};
-
-static struct kobj_type ttm_bo_glob_kobj_type  = {
-	.release = &ttm_bo_global_kobj_release,
-	.sysfs_ops = &ttm_bo_global_ops,
-	.default_attrs = ttm_bo_global_attrs
-};
-
 static void ttm_bo_del_from_lru(struct ttm_buffer_object *bo)
 {
-	struct ttm_bo_device *bdev = bo->bdev;
+	struct ttm_device *bdev = bo->bdev;
 
 	list_del_init(&bo->swap);
 	list_del_init(&bo->lru);
 
-	if (bdev->driver->del_from_lru_notify)
-		bdev->driver->del_from_lru_notify(bo);
+	if (bdev->funcs->del_from_lru_notify)
+		bdev->funcs->del_from_lru_notify(bo);
 }
 
 static void ttm_bo_bulk_move_set_pos(struct ttm_lru_bulk_move_pos *pos,
···
 			     struct ttm_resource *mem,
 			     struct ttm_lru_bulk_move *bulk)
 {
-	struct ttm_bo_device *bdev = bo->bdev;
+	struct ttm_device *bdev = bo->bdev;
 	struct ttm_resource_manager *man;
 
 	if (!bo->deleted)
···
 				     TTM_PAGE_FLAG_SWAPPED))) {
 		struct list_head *swap;
 
-		swap = &ttm_bo_glob.swap_lru[bo->priority];
+		swap = &ttm_glob.swap_lru[bo->priority];
 		list_move_tail(&bo->swap, swap);
+	} else {
+		list_del_init(&bo->swap);
 	}
 
-	if (bdev->driver->del_from_lru_notify)
-		bdev->driver->del_from_lru_notify(bo);
+	if (bdev->funcs->del_from_lru_notify)
+		bdev->funcs->del_from_lru_notify(bo);
 
 	if (bulk && !bo->pin_count) {
 		switch (bo->mem.mem_type) {
···
 		dma_resv_assert_held(pos->first->base.resv);
 		dma_resv_assert_held(pos->last->base.resv);
 
-		lru = &ttm_bo_glob.swap_lru[i];
+		lru = &ttm_glob.swap_lru[i];
 		list_bulk_move_tail(lru, &pos->first->swap, &pos->last->swap);
 	}
 }
···
 				  struct ttm_operation_ctx *ctx,
 				  struct ttm_place *hop)
 {
-	struct ttm_bo_device *bdev = bo->bdev;
+	struct ttm_device *bdev = bo->bdev;
 	struct ttm_resource_manager *old_man = ttm_manager_type(bdev, bo->mem.mem_type);
 	struct ttm_resource_manager *new_man = ttm_manager_type(bdev, mem->mem_type);
 	int ret;
···
 		}
 	}
 
-	ret = bdev->driver->move(bo, evict, ctx, mem, hop);
+	ret = bdev->funcs->move(bo, evict, ctx, mem, hop);
 	if (ret) {
 		if (ret == -EMULTIHOP)
 			return ret;
···
 
 static void ttm_bo_cleanup_memtype_use(struct ttm_buffer_object *bo)
 {
-	if (bo->bdev->driver->delete_mem_notify)
-		bo->bdev->driver->delete_mem_notify(bo);
+	if (bo->bdev->funcs->delete_mem_notify)
+		bo->bdev->funcs->delete_mem_notify(bo);
 
 	ttm_bo_tt_destroy(bo);
 	ttm_resource_free(bo, &bo->mem);
···
 		 * reference it any more. The only tricky case is the trylock on
 		 * the resv object while holding the lru_lock.
 		 */
-		spin_lock(&ttm_bo_glob.lru_lock);
+		spin_lock(&ttm_glob.lru_lock);
 		bo->base.resv = &bo->base._resv;
-		spin_unlock(&ttm_bo_glob.lru_lock);
+		spin_unlock(&ttm_glob.lru_lock);
 	}
 
 	return r;
···
 
 		if (unlock_resv)
 			dma_resv_unlock(bo->base.resv);
-		spin_unlock(&ttm_bo_glob.lru_lock);
+		spin_unlock(&ttm_glob.lru_lock);
 
 		lret = dma_resv_wait_timeout_rcu(resv, true, interruptible,
 						 30 * HZ);
···
 		else if (lret == 0)
 			return -EBUSY;
 
-		spin_lock(&ttm_bo_glob.lru_lock);
+		spin_lock(&ttm_glob.lru_lock);
 		if (unlock_resv && !dma_resv_trylock(bo->base.resv)) {
 			/*
 			 * We raced, and lost, someone else holds the reservation now,
···
 			 * delayed destruction would succeed, so just return success
 			 * here.
 			 */
-			spin_unlock(&ttm_bo_glob.lru_lock);
+			spin_unlock(&ttm_glob.lru_lock);
 			return 0;
 		}
 		ret = 0;
···
 	if (ret || unlikely(list_empty(&bo->ddestroy))) {
 		if (unlock_resv)
 			dma_resv_unlock(bo->base.resv);
-		spin_unlock(&ttm_bo_glob.lru_lock);
+		spin_unlock(&ttm_glob.lru_lock);
 		return ret;
 	}
 
 	ttm_bo_del_from_lru(bo);
 	list_del_init(&bo->ddestroy);
-	spin_unlock(&ttm_bo_glob.lru_lock);
+	spin_unlock(&ttm_glob.lru_lock);
 	ttm_bo_cleanup_memtype_use(bo);
 
 	if (unlock_resv)
···
  * Traverse the delayed list, and call ttm_bo_cleanup_refs on all
  * encountered buffers.
  */
-static bool ttm_bo_delayed_delete(struct ttm_bo_device *bdev, bool remove_all)
+bool ttm_bo_delayed_delete(struct ttm_device *bdev, bool remove_all)
 {
-	struct ttm_bo_global *glob = &ttm_bo_glob;
+	struct ttm_global *glob = &ttm_glob;
 	struct list_head removed;
 	bool empty;
 
···
 	return empty;
 }
 
-static void ttm_bo_delayed_workqueue(struct work_struct *work)
-{
-	struct ttm_bo_device *bdev =
-	    container_of(work, struct ttm_bo_device, wq.work);
-
-	if (!ttm_bo_delayed_delete(bdev, false))
-		schedule_delayed_work(&bdev->wq,
-				      ((HZ / 100) < 1) ? 1 : HZ / 100);
-}
-
 static void ttm_bo_release(struct kref *kref)
 {
 	struct ttm_buffer_object *bo =
 	    container_of(kref, struct ttm_buffer_object, kref);
-	struct ttm_bo_device *bdev = bo->bdev;
-	size_t acc_size = bo->acc_size;
+	struct ttm_device *bdev = bo->bdev;
 	int ret;
 
 	if (!bo->deleted) {
···
 						  30 * HZ);
 		}
 
-		if (bo->bdev->driver->release_notify)
-			bo->bdev->driver->release_notify(bo);
+		if (bo->bdev->funcs->release_notify)
+			bo->bdev->funcs->release_notify(bo);
 
 		drm_vma_offset_remove(bdev->vma_manager, &bo->base.vma_node);
 		ttm_mem_io_free(bdev, &bo->mem);
···
 		ttm_bo_flush_all_fences(bo);
 		bo->deleted = true;
 
-		spin_lock(&ttm_bo_glob.lru_lock);
+		spin_lock(&ttm_glob.lru_lock);
 
 		/*
 		 * Make pinned bos immediately available to
···
 
 		kref_init(&bo->kref);
 		list_add_tail(&bo->ddestroy, &bdev->ddestroy);
-		spin_unlock(&ttm_bo_glob.lru_lock);
+		spin_unlock(&ttm_glob.lru_lock);
 
 		schedule_delayed_work(&bdev->wq,
 				      ((HZ / 100) < 1) ? 1 : HZ / 100);
 		return;
 	}
 
-	spin_lock(&ttm_bo_glob.lru_lock);
+	spin_lock(&ttm_glob.lru_lock);
 	ttm_bo_del_from_lru(bo);
 	list_del(&bo->ddestroy);
-	spin_unlock(&ttm_bo_glob.lru_lock);
+	spin_unlock(&ttm_glob.lru_lock);
 
 	ttm_bo_cleanup_memtype_use(bo);
 	dma_resv_unlock(bo->base.resv);
 
-	atomic_dec(&ttm_bo_glob.bo_count);
+	atomic_dec(&ttm_glob.bo_count);
 	dma_fence_put(bo->moving);
 	if (!ttm_bo_uses_embedded_gem_object(bo))
 		dma_resv_fini(&bo->base._resv);
 	bo->destroy(bo);
-	ttm_mem_global_free(&ttm_mem_glob, acc_size);
 }
 
 void ttm_bo_put(struct ttm_buffer_object *bo)
···
 }
 EXPORT_SYMBOL(ttm_bo_put);
 
-int ttm_bo_lock_delayed_workqueue(struct ttm_bo_device *bdev)
+int ttm_bo_lock_delayed_workqueue(struct ttm_device *bdev)
 {
 	return cancel_delayed_work_sync(&bdev->wq);
 }
 EXPORT_SYMBOL(ttm_bo_lock_delayed_workqueue);
 
-void ttm_bo_unlock_delayed_workqueue(struct ttm_bo_device *bdev, int resched)
+void ttm_bo_unlock_delayed_workqueue(struct ttm_device *bdev, int resched)
 {
 	if (resched)
 		schedule_delayed_work(&bdev->wq,
···
 static int ttm_bo_evict(struct ttm_buffer_object *bo,
 			struct ttm_operation_ctx *ctx)
 {
-	struct ttm_bo_device *bdev = bo->bdev;
+	struct ttm_device *bdev = bo->bdev;
 	struct ttm_resource evict_mem;
 	struct ttm_placement placement;
 	struct ttm_place hop;
···
 
 	placement.num_placement = 0;
 	placement.num_busy_placement = 0;
-	bdev->driver->evict_flags(bo, &placement);
+	bdev->funcs->evict_flags(bo, &placement);
 
 	if (!placement.num_placement && !placement.num_busy_placement) {
 		ttm_bo_wait(bo, false, false);
···
 	return r == -EDEADLK ? -EBUSY : r;
 }
 
-int ttm_mem_evict_first(struct ttm_bo_device *bdev,
+int ttm_mem_evict_first(struct ttm_device *bdev,
 			struct ttm_resource_manager *man,
 			const struct ttm_place *place,
 			struct ttm_operation_ctx *ctx,
···
 	unsigned i;
 	int ret;
 
-	spin_lock(&ttm_bo_glob.lru_lock);
+	spin_lock(&ttm_glob.lru_lock);
 	for (i = 0; i < TTM_MAX_BO_PRIORITY; ++i) {
 		list_for_each_entry(bo, &man->lru[i], lru) {
 			bool busy;
···
 				continue;
 			}
 
-			if (place && !bdev->driver->eviction_valuable(bo,
+			if (place && !bdev->funcs->eviction_valuable(bo,
 								      place)) {
 				if (locked)
 					dma_resv_unlock(bo->base.resv);
···
 	if (!bo) {
 		if (busy_bo && !ttm_bo_get_unless_zero(busy_bo))
 			busy_bo = NULL;
-		spin_unlock(&ttm_bo_glob.lru_lock);
+		spin_unlock(&ttm_glob.lru_lock);
 		ret = ttm_mem_evict_wait_busy(busy_bo, ctx, ticket);
 		if (busy_bo)
 			ttm_bo_put(busy_bo);
···
 		return ret;
 	}
 
-	spin_unlock(&ttm_bo_glob.lru_lock);
+	spin_unlock(&ttm_glob.lru_lock);
 
 	ret = ttm_bo_evict(bo, ctx);
 	if (locked)
···
 				  struct ttm_resource *mem,
 				  struct ttm_operation_ctx *ctx)
 {
-	struct ttm_bo_device *bdev = bo->bdev;
+	struct ttm_device *bdev = bo->bdev;
 	struct ttm_resource_manager *man = ttm_manager_type(bdev, mem->mem_type);
 	struct ww_acquire_ctx *ticket;
 	int ret;
···
 				const struct ttm_place *place,
 				struct ttm_resource *mem)
 {
-	struct ttm_bo_device *bdev = bo->bdev;
+	struct ttm_device *bdev = bo->bdev;
 	struct ttm_resource_manager *man;
 
 	man = ttm_manager_type(bdev, place->mem_type);
···
 	mem->mem_type = place->mem_type;
 	mem->placement = place->flags;
 
-	spin_lock(&ttm_bo_glob.lru_lock);
+	spin_lock(&ttm_glob.lru_lock);
 	ttm_bo_move_to_lru_tail(bo, mem, NULL);
-	spin_unlock(&ttm_bo_glob.lru_lock);
+	spin_unlock(&ttm_glob.lru_lock);
 
 	return 0;
 }
···
 			struct ttm_resource *mem,
 			struct ttm_operation_ctx *ctx)
 {
-	struct ttm_bo_device *bdev = bo->bdev;
+	struct ttm_device *bdev = bo->bdev;
 	bool type_found = false;
 	int i, ret;
 
···
 }
 EXPORT_SYMBOL(ttm_bo_validate);
 
-int ttm_bo_init_reserved(struct ttm_bo_device *bdev,
+int ttm_bo_init_reserved(struct ttm_device *bdev,
 			 struct ttm_buffer_object *bo,
 			 size_t size,
 			 enum ttm_bo_type type,
 			 struct ttm_placement *placement,
 			 uint32_t page_alignment,
 			 struct ttm_operation_ctx *ctx,
-			 size_t acc_size,
 			 struct sg_table *sg,
 			 struct dma_resv *resv,
 			 void (*destroy) (struct ttm_buffer_object *))
 {
-	struct ttm_mem_global *mem_glob = &ttm_mem_glob;
 	bool locked;
 	int ret = 0;
-
-	ret = ttm_mem_global_alloc(mem_glob, acc_size, ctx);
-	if (ret) {
-		pr_err("Out of kernel memory\n");
-		if (destroy)
-			(*destroy)(bo);
-		else
-			kfree(bo);
-		return -ENOMEM;
-	}
 
 	bo->destroy = destroy ? destroy : ttm_bo_default_destroy;
 
···
 	bo->mem.bus.addr = NULL;
 	bo->moving = NULL;
 	bo->mem.placement = 0;
-	bo->acc_size = acc_size;
 	bo->pin_count = 0;
 	bo->sg = sg;
 	if (resv) {
···
 		dma_resv_init(&bo->base._resv);
 		drm_vma_node_reset(&bo->base.vma_node);
 	}
-	atomic_inc(&ttm_bo_glob.bo_count);
+	atomic_inc(&ttm_glob.bo_count);
 
 	/*
 	 * For ttm_bo_type_device buffers, allocate
···
 }
 EXPORT_SYMBOL(ttm_bo_init_reserved);
 
-int ttm_bo_init(struct ttm_bo_device *bdev,
+int ttm_bo_init(struct ttm_device *bdev,
 		struct ttm_buffer_object *bo,
 		size_t size,
 		enum ttm_bo_type type,
 		struct ttm_placement *placement,
 		uint32_t page_alignment,
 		bool interruptible,
-		size_t acc_size,
 		struct sg_table *sg,
 		struct dma_resv *resv,
 		void (*destroy) (struct ttm_buffer_object *))
···
 	int ret;
 
 	ret = ttm_bo_init_reserved(bdev, bo, size, type, placement,
-				   page_alignment, &ctx, acc_size,
-				   sg, resv, destroy);
+				   page_alignment, &ctx, sg, resv, destroy);
 	if (ret)
 		return ret;
 
···
 }
 EXPORT_SYMBOL(ttm_bo_init);
 
-size_t ttm_bo_dma_acc_size(struct ttm_bo_device *bdev,
-			   unsigned long bo_size,
-			   unsigned struct_size)
-{
-	unsigned npages = (PAGE_ALIGN(bo_size)) >> PAGE_SHIFT;
-	size_t size = 0;
-
-	size += ttm_round_pot(struct_size);
-	size += ttm_round_pot(npages * (2*sizeof(void *) + sizeof(dma_addr_t)));
-	size += ttm_round_pot(sizeof(struct ttm_tt));
-	return size;
-}
-EXPORT_SYMBOL(ttm_bo_dma_acc_size);
-
-static void ttm_bo_global_kobj_release(struct kobject *kobj)
-{
-	struct ttm_bo_global *glob =
-		container_of(kobj, struct ttm_bo_global, kobj);
-
-	__free_page(glob->dummy_read_page);
-}
-
-static void ttm_bo_global_release(void)
-{
-	struct ttm_bo_global *glob = &ttm_bo_glob;
-
-	mutex_lock(&ttm_global_mutex);
-	if (--ttm_bo_glob_use_count > 0)
-		goto out;
-
-	kobject_del(&glob->kobj);
-	kobject_put(&glob->kobj);
-	ttm_mem_global_release(&ttm_mem_glob);
-	memset(glob, 0, sizeof(*glob));
-out:
-	mutex_unlock(&ttm_global_mutex);
-}
-
-static int ttm_bo_global_init(void)
-{
-	struct ttm_bo_global *glob = &ttm_bo_glob;
-	int ret = 0;
-	unsigned i;
-
-	mutex_lock(&ttm_global_mutex);
-	if (++ttm_bo_glob_use_count > 1)
-		goto out;
-
-	ret = ttm_mem_global_init(&ttm_mem_glob);
-	if (ret)
-		goto out;
-
-	spin_lock_init(&glob->lru_lock);
-	glob->dummy_read_page = alloc_page(__GFP_ZERO | GFP_DMA32);
-
-	if (unlikely(glob->dummy_read_page == NULL)) {
-		ret = -ENOMEM;
-		goto out;
-	}
-
-	for (i = 0; i < TTM_MAX_BO_PRIORITY; ++i)
-		INIT_LIST_HEAD(&glob->swap_lru[i]);
-	INIT_LIST_HEAD(&glob->device_list);
-	atomic_set(&glob->bo_count, 0);
-
-	ret = kobject_init_and_add(
-		&glob->kobj, &ttm_bo_glob_kobj_type, ttm_get_kobj(), "buffer_objects");
-	if (unlikely(ret != 0))
-		kobject_put(&glob->kobj);
-out:
-	mutex_unlock(&ttm_global_mutex);
-	return ret;
-}
-
-int ttm_bo_device_release(struct ttm_bo_device *bdev)
-{
-	struct ttm_bo_global *glob = &ttm_bo_glob;
-	int ret = 0;
-	unsigned i;
-	struct ttm_resource_manager *man;
-
-	man = ttm_manager_type(bdev, TTM_PL_SYSTEM);
-	ttm_resource_manager_set_used(man, false);
-	ttm_set_driver_manager(bdev, TTM_PL_SYSTEM, NULL);
-
-	mutex_lock(&ttm_global_mutex);
-	list_del(&bdev->device_list);
-	mutex_unlock(&ttm_global_mutex);
-
-	cancel_delayed_work_sync(&bdev->wq);
-
-	if (ttm_bo_delayed_delete(bdev, true))
-		pr_debug("Delayed destroy list was clean\n");
-
-	spin_lock(&glob->lru_lock);
-	for (i = 0; i < TTM_MAX_BO_PRIORITY; ++i)
-		if (list_empty(&man->lru[0]))
-			pr_debug("Swap list %d was clean\n", i);
-	spin_unlock(&glob->lru_lock);
-
-	ttm_pool_fini(&bdev->pool);
-
-	if (!ret)
-		ttm_bo_global_release();
-
-	return ret;
-}
-EXPORT_SYMBOL(ttm_bo_device_release);
-
-static void ttm_bo_init_sysman(struct ttm_bo_device *bdev)
-{
-	struct ttm_resource_manager *man = &bdev->sysman;
-
-	/*
-	 * Initialize the system memory buffer type.
-	 * Other types need to be driver / IOCTL initialized.
-	 */
-	man->use_tt = true;
-
-	ttm_resource_manager_init(man, 0);
-	ttm_set_driver_manager(bdev, TTM_PL_SYSTEM, man);
-	ttm_resource_manager_set_used(man, true);
-}
-
-int ttm_bo_device_init(struct ttm_bo_device *bdev,
-		       struct ttm_bo_driver *driver,
-		       struct device *dev,
-		       struct address_space *mapping,
-		       struct drm_vma_offset_manager *vma_manager,
-		       bool use_dma_alloc, bool use_dma32)
-{
-	struct ttm_bo_global *glob = &ttm_bo_glob;
-	int ret;
-
-	if (WARN_ON(vma_manager == NULL))
-		return -EINVAL;
-
-	ret = ttm_bo_global_init();
-	if (ret)
-		return ret;
-
-	bdev->driver = driver;
-
-	ttm_bo_init_sysman(bdev);
-	ttm_pool_init(&bdev->pool, dev, use_dma_alloc, use_dma32);
-
-	bdev->vma_manager = vma_manager;
-	INIT_DELAYED_WORK(&bdev->wq, ttm_bo_delayed_workqueue);
-	INIT_LIST_HEAD(&bdev->ddestroy);
-	bdev->dev_mapping = mapping;
-	mutex_lock(&ttm_global_mutex);
-	list_add_tail(&bdev->device_list, &glob->device_list);
-	mutex_unlock(&ttm_global_mutex);
-
-	return 0;
-}
-EXPORT_SYMBOL(ttm_bo_device_init);
-
 /*
  * buffer object vm functions.
  */
 
 void ttm_bo_unmap_virtual(struct ttm_buffer_object *bo)
 {
-	struct ttm_bo_device *bdev = bo->bdev;
+	struct ttm_device *bdev = bo->bdev;
 
 	drm_vma_node_unmap(&bo->base.vma_node, bdev->dev_mapping);
 	ttm_mem_io_free(bdev, &bo->mem);
···
  * A buffer object shrink method that tries to swap out the first
  * buffer object on the bo_global::swap_lru list.
  */
-int ttm_bo_swapout(struct ttm_operation_ctx *ctx)
+int ttm_bo_swapout(struct ttm_operation_ctx *ctx, gfp_t gfp_flags)
 {
-	struct ttm_bo_global *glob = &ttm_bo_glob;
+	struct ttm_global *glob = &ttm_glob;
 	struct ttm_buffer_object *bo;
 	int ret = -EBUSY;
 	bool locked;
···
 	 * anyone tries to access a ttm page.
 	 */
 
-	if (bo->bdev->driver->swap_notify)
-		bo->bdev->driver->swap_notify(bo);
+	if (bo->bdev->funcs->swap_notify)
+		bo->bdev->funcs->swap_notify(bo);
 
-	ret = ttm_tt_swapout(bo->bdev, bo->ttm);
+	ret = ttm_tt_swapout(bo->bdev, bo->ttm, gfp_flags);
 out:
 
 	/**
···
 	ttm_tt_destroy(bo->bdev, bo->ttm);
 	bo->ttm = NULL;
 }
-

drivers/gpu/drm/ttm/ttm_bo_util.c

···
 	struct ttm_buffer_object *bo;
 };
 
-int ttm_mem_io_reserve(struct ttm_bo_device *bdev,
+int ttm_mem_io_reserve(struct ttm_device *bdev,
 		       struct ttm_resource *mem)
 {
 	if (mem->bus.offset || mem->bus.addr)
 		return 0;
 
 	mem->bus.is_iomem = false;
-	if (!bdev->driver->io_mem_reserve)
+	if (!bdev->funcs->io_mem_reserve)
 		return 0;
 
-	return bdev->driver->io_mem_reserve(bdev, mem);
+	return bdev->funcs->io_mem_reserve(bdev, mem);
 }
 
-void ttm_mem_io_free(struct ttm_bo_device *bdev,
+void ttm_mem_io_free(struct ttm_device *bdev,
 		     struct ttm_resource *mem)
 {
 	if (!mem->bus.offset && !mem->bus.addr)
 		return;
 
-	if (bdev->driver->io_mem_free)
-		bdev->driver->io_mem_free(bdev, mem);
+	if (bdev->funcs->io_mem_free)
+		bdev->funcs->io_mem_free(bdev, mem);
 
 	mem->bus.offset = 0;
 	mem->bus.addr = NULL;
 }
 
-static int ttm_resource_ioremap(struct ttm_bo_device *bdev,
+static int ttm_resource_ioremap(struct ttm_device *bdev,
 			       struct ttm_resource *mem,
 			       void **virtual)
 {
···
 	return 0;
 }
 
-static void ttm_resource_iounmap(struct ttm_bo_device *bdev,
+static void ttm_resource_iounmap(struct ttm_device *bdev,
 				struct ttm_resource *mem,
 				void *virtual)
 {
···
 		       struct ttm_operation_ctx *ctx,
 		       struct ttm_resource *new_mem)
 {
-	struct ttm_bo_device *bdev = bo->bdev;
+	struct ttm_device *bdev = bo->bdev;
 	struct ttm_resource_manager *man = ttm_manager_type(bdev, new_mem->mem_type);
 	struct ttm_tt *ttm = bo->ttm;
 	struct ttm_resource *old_mem = &bo->mem;
···
 	 * TODO: Explicit member copy would probably be better here.
 	 */
 
-	atomic_inc(&ttm_bo_glob.bo_count);
+	atomic_inc(&ttm_glob.bo_count);
 	INIT_LIST_HEAD(&fbo->base.ddestroy);
 	INIT_LIST_HEAD(&fbo->base.lru);
 	INIT_LIST_HEAD(&fbo->base.swap);
···
 
 	kref_init(&fbo->base.kref);
 	fbo->base.destroy = &ttm_transfered_destroy;
-	fbo->base.acc_size = 0;
 	fbo->base.pin_count = 0;
 	if (bo->type != ttm_bo_type_sg)
 		fbo->base.base.resv = &fbo->base.base._resv;
···
 static void ttm_bo_move_pipeline_evict(struct ttm_buffer_object *bo,
 				       struct dma_fence *fence)
 {
-	struct ttm_bo_device *bdev = bo->bdev;
+	struct ttm_device *bdev = bo->bdev;
 	struct ttm_resource_manager *from = ttm_manager_type(bdev, bo->mem.mem_type);
 
 	/**
···
 			      bool pipeline,
 			      struct ttm_resource *new_mem)
 {
-	struct ttm_bo_device *bdev = bo->bdev;
+	struct ttm_device *bdev = bo->bdev;
 	struct ttm_resource_manager *from = ttm_manager_type(bdev, bo->mem.mem_type);
 	struct ttm_resource_manager *man = ttm_manager_type(bdev, new_mem->mem_type);
 	int ret = 0;

drivers/gpu/drm/ttm/ttm_bo_vm.c

···
 static unsigned long ttm_bo_io_mem_pfn(struct ttm_buffer_object *bo,
 				       unsigned long page_offset)
 {
-	struct ttm_bo_device *bdev = bo->bdev;
+	struct ttm_device *bdev = bo->bdev;
 
-	if (bdev->driver->io_mem_pfn)
-		return bdev->driver->io_mem_pfn(bo, page_offset);
+	if (bdev->funcs->io_mem_pfn)
+		return bdev->funcs->io_mem_pfn(bo, page_offset);
 
 	return (bo->mem.bus.offset >> PAGE_SHIFT) + page_offset;
 }
···
 			if (page_to_pfn(ttm->pages[page_offset + i]) != pfn + i)
 				goto out_fallback;
 		}
-	} else if (bo->bdev->driver->io_mem_pfn) {
+	} else if (bo->bdev->funcs->io_mem_pfn) {
 		for (i = 1; i < fault_page_size; ++i) {
 			if (ttm_bo_io_mem_pfn(bo, page_offset + i) != pfn + i)
 				goto out_fallback;
···
 {
 	struct vm_area_struct *vma = vmf->vma;
 	struct ttm_buffer_object *bo = vma->vm_private_data;
-	struct ttm_bo_device *bdev = bo->bdev;
+	struct ttm_device *bdev = bo->bdev;
 	unsigned long page_offset;
 	unsigned long page_last;
 	unsigned long pfn;
···
 		ret = ttm_bo_vm_access_kmap(bo, offset, buf, len, write);
 		break;
 	default:
-		if (bo->bdev->driver->access_memory)
-			ret = bo->bdev->driver->access_memory(
+		if (bo->bdev->funcs->access_memory)
+			ret = bo->bdev->funcs->access_memory(
 				bo, offset, buf, len, write);
 		else
 			ret = -EIO;
···
 	.access = ttm_bo_vm_access,
 };
 
-static struct ttm_buffer_object *ttm_bo_vm_lookup(struct ttm_bo_device *bdev,
+static struct ttm_buffer_object *ttm_bo_vm_lookup(struct ttm_device *bdev,
 						  unsigned long offset,
 						  unsigned long pages)
 {
···
 }
 
 int ttm_bo_mmap(struct file *filp, struct vm_area_struct *vma,
-		struct ttm_bo_device *bdev)
+		struct ttm_device *bdev)
 {
-	struct ttm_bo_driver *driver;
 	struct ttm_buffer_object *bo;
 	int ret;
 
···
 	if (unlikely(!bo))
 		return -EINVAL;
 
-	driver = bo->bdev->driver;
-	if (unlikely(!driver->verify_access)) {
+	if (unlikely(!bo->bdev->funcs->verify_access)) {
 		ret = -EPERM;
 		goto out_unref;
 	}
-	ret = driver->verify_access(bo, filp);
+	ret = bo->bdev->funcs->verify_access(bo, filp);
 	if (unlikely(ret != 0))
 		goto out_unref;
 

drivers/gpu/drm/ttm/ttm_device.c

···
+/* SPDX-License-Identifier: GPL-2.0 OR MIT */
+
+/*
+ * Copyright (c) 2006-2009 VMware, Inc., Palo Alto, CA., USA
+ * Copyright 2020 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: Christian König
+ */
+
+#define pr_fmt(fmt) "[TTM DEVICE] " fmt
+
+#include <linux/mm.h>
+
+#include <drm/ttm/ttm_device.h>
+#include <drm/ttm/ttm_tt.h>
+#include <drm/ttm/ttm_placement.h>
+#include <drm/ttm/ttm_bo_api.h>
+
+#include "ttm_module.h"
+
+/**
+ * ttm_global_mutex - protecting the global state
+ */
+DEFINE_MUTEX(ttm_global_mutex);
+unsigned ttm_glob_use_count;
+struct ttm_global ttm_glob;
+EXPORT_SYMBOL(ttm_glob);
+
+static void ttm_global_release(void)
+{
+	struct ttm_global *glob = &ttm_glob;
+
+	mutex_lock(&ttm_global_mutex);
+	if (--ttm_glob_use_count > 0)
+		goto out;
+
+	ttm_pool_mgr_fini();
+	ttm_tt_mgr_fini();
+
+	__free_page(glob->dummy_read_page);
+	memset(glob, 0, sizeof(*glob));
+out:
+	mutex_unlock(&ttm_global_mutex);
+}
+
+static int ttm_global_init(void)
+{
+	struct ttm_global *glob = &ttm_glob;
+	unsigned long num_pages;
+	struct sysinfo si;
+	int ret = 0;
+	unsigned i;
+
+	mutex_lock(&ttm_global_mutex);
+	if (++ttm_glob_use_count > 1)
+		goto out;
+
+	si_meminfo(&si);
+
+	/* Limit the number of pages in the pool to about 50% of the total
+	 * system memory.
+	 */
+	num_pages = ((u64)si.totalram * si.mem_unit) >> PAGE_SHIFT;
+	ttm_pool_mgr_init(num_pages * 50 / 100);
+	ttm_tt_mgr_init();
+
+	spin_lock_init(&glob->lru_lock);
+	glob->dummy_read_page = alloc_page(__GFP_ZERO | GFP_DMA32);
+
+	if (unlikely(glob->dummy_read_page == NULL)) {
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	for (i = 0; i < TTM_MAX_BO_PRIORITY; ++i)
+		INIT_LIST_HEAD(&glob->swap_lru[i]);
+	INIT_LIST_HEAD(&glob->device_list);
+	atomic_set(&glob->bo_count, 0);
+
+	debugfs_create_atomic_t("buffer_objects", 0444, ttm_debugfs_root,
+				&glob->bo_count);
+out:
+	mutex_unlock(&ttm_global_mutex);
+	return ret;
+}
+
+static void ttm_init_sysman(struct ttm_device *bdev)
+{
+	struct ttm_resource_manager *man = &bdev->sysman;
+
+	/*
+	 * Initialize the system memory buffer type.
+	 * Other types need to be driver / IOCTL initialized.
+	 */
+	man->use_tt = true;
+
+	ttm_resource_manager_init(man, 0);
+	ttm_set_driver_manager(bdev, TTM_PL_SYSTEM, man);
+	ttm_resource_manager_set_used(man, true);
+}
+
+static void ttm_device_delayed_workqueue(struct work_struct *work)
+{
+	struct ttm_device *bdev =
+		container_of(work, struct ttm_device, wq.work);
+
+	if (!ttm_bo_delayed_delete(bdev, false))
+		schedule_delayed_work(&bdev->wq,
+				      ((HZ / 100) < 1) ? 1 : HZ / 100);
+}
+
+/**
+ * ttm_device_init
+ *
+ * @bdev: A pointer to a struct ttm_device to initialize.
+ * @funcs: Function table for the device.
+ * @dev: The core kernel device pointer for DMA mappings and allocations.
+ * @mapping: The address space to use for this bo.
+ * @vma_manager: A pointer to a vma manager.
+ * @use_dma_alloc: If coherent DMA allocation API should be used.
+ * @use_dma32: If we should use GFP_DMA32 for device memory allocations.
+ *
+ * Initializes a struct ttm_device:
+ * Returns:
+ * !0: Failure.
+ */
+int ttm_device_init(struct ttm_device *bdev, struct ttm_device_funcs *funcs,
+		    struct device *dev, struct address_space *mapping,
+		    struct drm_vma_offset_manager *vma_manager,
+		    bool use_dma_alloc, bool use_dma32)
+{
+	struct ttm_global *glob = &ttm_glob;
+	int ret;
+
+	if (WARN_ON(vma_manager == NULL))
+		return -EINVAL;
+
+	ret = ttm_global_init();
+	if (ret)
+		return ret;
+
+	bdev->funcs = funcs;
+
+	ttm_init_sysman(bdev);
+	ttm_pool_init(&bdev->pool, dev, use_dma_alloc, use_dma32);
+
+	bdev->vma_manager = vma_manager;
+	INIT_DELAYED_WORK(&bdev->wq, ttm_device_delayed_workqueue);
+	INIT_LIST_HEAD(&bdev->ddestroy);
+	bdev->dev_mapping = mapping;
+	mutex_lock(&ttm_global_mutex);
+	list_add_tail(&bdev->device_list, &glob->device_list);
+	mutex_unlock(&ttm_global_mutex);
+
+	return 0;
+}
+EXPORT_SYMBOL(ttm_device_init);
+
+void ttm_device_fini(struct ttm_device *bdev)
+{
+	struct ttm_global *glob = &ttm_glob;
+	struct ttm_resource_manager *man;
+	unsigned i;
+
+	man = ttm_manager_type(bdev, TTM_PL_SYSTEM);
+	ttm_resource_manager_set_used(man, false);
+	ttm_set_driver_manager(bdev, TTM_PL_SYSTEM, NULL);
+
+	mutex_lock(&ttm_global_mutex);
+	list_del(&bdev->device_list);
+	mutex_unlock(&ttm_global_mutex);
+
+	cancel_delayed_work_sync(&bdev->wq);
+
+	if (ttm_bo_delayed_delete(bdev, true))
+		pr_debug("Delayed destroy list was clean\n");
+
+	spin_lock(&glob->lru_lock);
+	for (i = 0; i < TTM_MAX_BO_PRIORITY; ++i)
+		if (list_empty(&man->lru[0]))
+			pr_debug("Swap list %d was clean\n", i);
+	spin_unlock(&glob->lru_lock);
+
+	ttm_pool_fini(&bdev->pool);
+	ttm_global_release();
+}
+EXPORT_SYMBOL(ttm_device_fini);

drivers/gpu/drm/ttm/ttm_execbuf_util.c

···
 	if (list_empty(list))
 		return;
 
-	spin_lock(&ttm_bo_glob.lru_lock);
+	spin_lock(&ttm_glob.lru_lock);
 	list_for_each_entry(entry, list, head) {
 		struct ttm_buffer_object *bo = entry->bo;
 
 		ttm_bo_move_to_lru_tail(bo, &bo->mem, NULL);
 		dma_resv_unlock(bo->base.resv);
 	}
-	spin_unlock(&ttm_bo_glob.lru_lock);
+	spin_unlock(&ttm_glob.lru_lock);
 
 	if (ticket)
 		ww_acquire_fini(ticket);
···
 	if (list_empty(list))
 		return;
 
-	spin_lock(&ttm_bo_glob.lru_lock);
+	spin_lock(&ttm_glob.lru_lock);
 	list_for_each_entry(entry, list, head) {
 		struct ttm_buffer_object *bo = entry->bo;
 
···
 		ttm_bo_move_to_lru_tail(bo, &bo->mem, NULL);
 		dma_resv_unlock(bo->base.resv);
 	}
-	spin_unlock(&ttm_bo_glob.lru_lock);
+	spin_unlock(&ttm_glob.lru_lock);
 	if (ticket)
 		ww_acquire_fini(ticket);
 }

drivers/gpu/drm/ttm/ttm_memory.c drivers/gpu/drm/vmwgfx/ttm_memory.c

···
 
 #define pr_fmt(fmt) "[TTM] " fmt
 
-#include <drm/ttm/ttm_memory.h>
 #include <linux/spinlock.h>
 #include <linux/sched.h>
 #include <linux/wait.h>
···
 #include <linux/module.h>
 #include <linux/slab.h>
 #include <linux/swap.h>
-#include <drm/ttm/ttm_pool.h>
 
-#include "ttm_module.h"
+#include <drm/drm_device.h>
+#include <drm/drm_file.h>
+
+#include "ttm_memory.h"
 
 #define TTM_MEMORY_ALLOC_RETRIES 4
 
···
 
 	while (ttm_zones_above_swap_target(glob, from_wq, extra)) {
 		spin_unlock(&glob->lock);
-		ret = ttm_bo_swapout(ctx);
+		ret = ttm_bo_swapout(ctx, GFP_KERNEL);
 		spin_lock(&glob->lock);
-		if (unlikely(ret != 0))
+		if (unlikely(ret < 0))
 			break;
 	}
 
···
 }
 #endif
 
-int ttm_mem_global_init(struct ttm_mem_global *glob)
+int ttm_mem_global_init(struct ttm_mem_global *glob, struct device *dev)
 {
 	struct sysinfo si;
 	int ret;
···
 	spin_lock_init(&glob->lock);
 	glob->swap_queue = create_singlethread_workqueue("ttm_swap");
 	INIT_WORK(&glob->work, ttm_shrink_work);
-	ret = kobject_init_and_add(
-		&glob->kobj, &ttm_mem_glob_kobj_type, ttm_get_kobj(), "memory_accounting");
+
+	ret = kobject_init_and_add(&glob->kobj, &ttm_mem_glob_kobj_type,
+				   &dev->kobj, "memory_accounting");
 	if (unlikely(ret != 0)) {
 		kobject_put(&glob->kobj);
 		return ret;
···
 		pr_info("Zone %7s: Available graphics memory: %llu KiB\n",
 			zone->name, (unsigned long long)zone->max_mem >> 10);
 	}
-	ttm_pool_mgr_init(glob->zone_kernel->max_mem/(2*PAGE_SIZE));
 	return 0;
 out_no_zone:
 	ttm_mem_global_release(glob);
···
 {
 	struct ttm_mem_zone *zone;
 	unsigned int i;
-
-	/* let the page allocator first stop the shrink work. */
-	ttm_pool_mgr_fini();
 
 	flush_workqueue(glob->swap_queue);
 	destroy_workqueue(glob->swap_queue);

drivers/gpu/drm/ttm/ttm_module.c

···
 #include <linux/module.h>
 #include <linux/device.h>
 #include <linux/sched.h>
+#include <linux/debugfs.h>
 #include <drm/drm_sysfs.h>
 
 #include "ttm_module.h"
 
-static DECLARE_WAIT_QUEUE_HEAD(exit_q);
-static atomic_t device_released;
-
-static struct device_type ttm_drm_class_type = {
-	.name = "ttm",
-	/**
-	 * Add pm ops here.
-	 */
-};
-
-static void ttm_drm_class_device_release(struct device *dev)
-{
-	atomic_set(&device_released, 1);
-	wake_up_all(&exit_q);
-}
-
-static struct device ttm_drm_class_device = {
-	.type = &ttm_drm_class_type,
-	.release = &ttm_drm_class_device_release
-};
-
-struct kobject *ttm_get_kobj(void)
-{
-	struct kobject *kobj = &ttm_drm_class_device.kobj;
-	BUG_ON(kobj == NULL);
-	return kobj;
-}
+struct dentry *ttm_debugfs_root;
 
 static int __init ttm_init(void)
 {
-	int ret;
-
-	ret = dev_set_name(&ttm_drm_class_device, "ttm");
-	if (unlikely(ret != 0))
-		return ret;
-
-	atomic_set(&device_released, 0);
-	ret = drm_class_device_register(&ttm_drm_class_device);
-	if (unlikely(ret != 0))
-		goto out_no_dev_reg;
-
+	ttm_debugfs_root = debugfs_create_dir("ttm", NULL);
 	return 0;
-out_no_dev_reg:
-	atomic_set(&device_released, 1);
-	wake_up_all(&exit_q);
-	return ret;
 }
 
 static void __exit ttm_exit(void)
 {
-	drm_class_device_unregister(&ttm_drm_class_device);
-
-	/**
-	 * Refuse to unload until the TTM device is released.
-	 * Not sure this is 100% needed.
-	 */
-
-	wait_event(exit_q, atomic_read(&device_released) == 1);
+	debugfs_remove(ttm_debugfs_root);
 }
 
 module_init(ttm_init);

drivers/gpu/drm/ttm/ttm_module.h

···
 #ifndef _TTM_MODULE_H_
 #define _TTM_MODULE_H_
 
-#include <linux/kernel.h>
-struct kobject;
-
 #define TTM_PFX "[TTM] "
-extern struct kobject *ttm_get_kobj(void);
+
+struct dentry;
+
+extern struct dentry *ttm_debugfs_root;
 
 #endif /* _TTM_MODULE_H_ */

drivers/gpu/drm/ttm/ttm_pool.c

···
 #include <linux/module.h>
 #include <linux/dma-mapping.h>
 #include <linux/highmem.h>
+#include <linux/sched/mm.h>
 
 #ifdef CONFIG_X86
 #include <asm/set_memory.h>
···
 #include <drm/ttm/ttm_pool.h>
 #include <drm/ttm/ttm_bo_driver.h>
 #include <drm/ttm/ttm_tt.h>
+
+#include "ttm_module.h"
 
 /**
  * struct ttm_pool_dma - Helper object for coherent DMA mappings
···
 			caching = pages + (1 << order);
 		}
 
-		r = ttm_mem_global_alloc_page(&ttm_mem_glob, p,
-					      (1 << order) * PAGE_SIZE,
-					      ctx);
-		if (r)
-			goto error_free_page;
-
 		if (dma_addr) {
 			r = ttm_pool_map(pool, order, p, &dma_addr);
 			if (r)
-				goto error_global_free;
+				goto error_free_page;
 		}
 
 		num_pages -= 1 << order;
···
 		goto error_free_all;
 
 	return 0;
-
-error_global_free:
-	ttm_mem_global_free_page(&ttm_mem_glob, p, (1 << order) * PAGE_SIZE);
 
 error_free_page:
 	ttm_pool_free_page(pool, tt->caching, order, p);
···
 
 		order = ttm_pool_page_order(pool, p);
 		num_pages = 1ULL << order;
-		ttm_mem_global_free_page(&ttm_mem_glob, p,
-					 num_pages * PAGE_SIZE);
 		if (tt->dma_address)
 			ttm_pool_unmap(pool, tt->dma_address[i], num_pages);
 
···
 	pool->use_dma_alloc = use_dma_alloc;
 	pool->use_dma32 = use_dma32;
 
-	for (i = 0; i < TTM_NUM_CACHING_TYPES; ++i)
-		for (j = 0; j < MAX_ORDER; ++j)
-			ttm_pool_type_init(&pool->caching[i].orders[j],
-					   pool, i, j);
+	if (use_dma_alloc) {
+		for (i = 0; i < TTM_NUM_CACHING_TYPES; ++i)
+			for (j = 0; j < MAX_ORDER; ++j)
+				ttm_pool_type_init(&pool->caching[i].orders[j],
+						   pool, i, j);
+	}
 }
 
 /**
···
 {
 	unsigned int i, j;
 
-	for (i = 0; i < TTM_NUM_CACHING_TYPES; ++i)
-		for (j = 0; j < MAX_ORDER; ++j)
-			ttm_pool_type_fini(&pool->caching[i].orders[j]);
-}
-
-#ifdef CONFIG_DEBUG_FS
-/* Count the number of pages available in a pool_type */
-static unsigned int ttm_pool_type_count(struct ttm_pool_type *pt)
-{
-	unsigned int count = 0;
-	struct page *p;
-
-	spin_lock(&pt->lock);
-	/* Only used for debugfs, the overhead doesn't matter */
-	list_for_each_entry(p, &pt->pages, lru)
-		++count;
-	spin_unlock(&pt->lock);
-
-	return count;
-}
-
-/* Dump information about the different pool types */
-static void ttm_pool_debugfs_orders(struct ttm_pool_type *pt,
-				    struct seq_file *m)
-{
-	unsigned int i;
-
-	for (i = 0; i < MAX_ORDER; ++i)
-		seq_printf(m, " %8u", ttm_pool_type_count(&pt[i]));
-	seq_puts(m, "\n");
-}
-
-/**
- * ttm_pool_debugfs - Debugfs dump function for a pool
- *
- * @pool: the pool to dump the information for
- * @m: seq_file to dump to
- *
- * Make a debugfs dump with the per pool and global information.
- */
-int ttm_pool_debugfs(struct ttm_pool *pool, struct seq_file *m)
-{
-	unsigned int i;
-
-	mutex_lock(&shrinker_lock);
-
-	seq_puts(m, "\t ");
-	for (i = 0; i < MAX_ORDER; ++i)
-		seq_printf(m, " ---%2u---", i);
-	seq_puts(m, "\n");
-
-	seq_puts(m, "wc\t:");
-	ttm_pool_debugfs_orders(global_write_combined, m);
-	seq_puts(m, "uc\t:");
-	ttm_pool_debugfs_orders(global_uncached, m);
-
-	seq_puts(m, "wc 32\t:");
-	ttm_pool_debugfs_orders(global_dma32_write_combined, m);
-	seq_puts(m, "uc 32\t:");
-	ttm_pool_debugfs_orders(global_dma32_uncached, m);
-
-	for (i = 0; i < TTM_NUM_CACHING_TYPES; ++i) {
-		seq_puts(m, "DMA ");
-		switch (i) {
-		case ttm_cached:
-			seq_puts(m, "\t:");
-			break;
-		case ttm_write_combined:
-			seq_puts(m, "wc\t:");
-			break;
-		case ttm_uncached:
-			seq_puts(m, "uc\t:");
-			break;
-		}
-		ttm_pool_debugfs_orders(pool->caching[i].orders, m);
+	if (pool->use_dma_alloc) {
+		for (i = 0; i < TTM_NUM_CACHING_TYPES; ++i)
+			for (j = 0; j < MAX_ORDER; ++j)
+				ttm_pool_type_fini(&pool->caching[i].orders[j]);
 	}
-
-	seq_printf(m, "\ntotal\t: %8lu of %8lu\n",
-		   atomic_long_read(&allocated_pages), page_pool_size);
-
-	mutex_unlock(&shrinker_lock);
-
-	return 0;
 }
-EXPORT_SYMBOL(ttm_pool_debugfs);
-
-#endif
 
 /* As long as pages are available make sure to release at least one */
 static unsigned long ttm_pool_shrinker_scan(struct shrinker *shrink,
···
 
 	return num_pages ? num_pages : SHRINK_EMPTY;
 }
+
+#ifdef CONFIG_DEBUG_FS
+/* Count the number of pages available in a pool_type */
+static unsigned int ttm_pool_type_count(struct ttm_pool_type *pt)
+{
+	unsigned int count = 0;
+	struct page *p;
+
+	spin_lock(&pt->lock);
+	/* Only used for debugfs, the overhead doesn't matter */
+	list_for_each_entry(p, &pt->pages, lru)
+		++count;
+	spin_unlock(&pt->lock);
+
+	return count;
+}
+
+/* Print a nice header for the order */
+static void ttm_pool_debugfs_header(struct seq_file *m)
+{
+	unsigned int i;
+
+	seq_puts(m, "\t ");
+	for (i = 0; i < MAX_ORDER; ++i)
+		seq_printf(m, " ---%2u---", i);
+	seq_puts(m, "\n");
+}
+
+/* Dump information about the different pool types */
+static void ttm_pool_debugfs_orders(struct ttm_pool_type *pt,
+				    struct seq_file *m)
+{
+	unsigned int i;
+
+	for (i = 0; i < MAX_ORDER; ++i)
+		seq_printf(m, " %8u", ttm_pool_type_count(&pt[i]));
+	seq_puts(m, "\n");
+}
+
+/* Dump the total amount of allocated pages */
+static void ttm_pool_debugfs_footer(struct seq_file *m)
+{
+	seq_printf(m, "\ntotal\t: %8lu of %8lu\n",
+		   atomic_long_read(&allocated_pages), page_pool_size);
+}
+
+/* Dump the information for the global pools */
+static int ttm_pool_debugfs_globals_show(struct seq_file *m, void *data)
+{
+	ttm_pool_debugfs_header(m);
+
+	mutex_lock(&shrinker_lock);
+	seq_puts(m, "wc\t:");
+	ttm_pool_debugfs_orders(global_write_combined, m);
+	seq_puts(m, "uc\t:");
+	ttm_pool_debugfs_orders(global_uncached, m);
+	seq_puts(m, "wc 32\t:");
+	ttm_pool_debugfs_orders(global_dma32_write_combined, m);
+	seq_puts(m, "uc 32\t:");
+	ttm_pool_debugfs_orders(global_dma32_uncached, m);
+	mutex_unlock(&shrinker_lock);
+
+	ttm_pool_debugfs_footer(m);
+
+	return 0;
+}
+DEFINE_SHOW_ATTRIBUTE(ttm_pool_debugfs_globals);
+
+/**
+ * ttm_pool_debugfs - Debugfs dump function for a pool
+ *
+ * @pool: the pool to dump the information for
+ * @m: seq_file to dump to
+ *
+ * Make a debugfs dump with the per pool and global information.
+ */
+int ttm_pool_debugfs(struct ttm_pool *pool, struct seq_file *m)
+{
+	unsigned int i;
+
+	if (!pool->use_dma_alloc) {
+		seq_puts(m, "unused\n");
+		return 0;
+	}
+
+	ttm_pool_debugfs_header(m);
+
+	mutex_lock(&shrinker_lock);
+	for (i = 0; i < TTM_NUM_CACHING_TYPES; ++i) {
+		seq_puts(m, "DMA ");
+		switch (i) {
+		case ttm_cached:
+			seq_puts(m, "\t:");
+			break;
+		case ttm_write_combined:
+			seq_puts(m, "wc\t:");
+			break;
+		case ttm_uncached:
+			seq_puts(m, "uc\t:");
+			break;
+		}
+		ttm_pool_debugfs_orders(pool->caching[i].orders, m);
+	}
+	mutex_unlock(&shrinker_lock);
+
+	ttm_pool_debugfs_footer(m);
+	return 0;
+}
+EXPORT_SYMBOL(ttm_pool_debugfs);
+
+/* Test the shrinker functions and dump the result */
+static int ttm_pool_debugfs_shrink_show(struct seq_file *m, void *data)
+{
+	struct shrink_control sc = { .gfp_mask = GFP_NOFS };
+
+	fs_reclaim_acquire(GFP_KERNEL);
+	seq_printf(m, "%lu/%lu\n", ttm_pool_shrinker_count(&mm_shrinker, &sc),
+		   ttm_pool_shrinker_scan(&mm_shrinker, &sc));
+	fs_reclaim_release(GFP_KERNEL);
+
+	return 0;
+}
+DEFINE_SHOW_ATTRIBUTE(ttm_pool_debugfs_shrink);
+
+#endif
 
 /**
  * ttm_pool_mgr_init - Initialize globals
···
 		ttm_pool_type_init(&global_dma32_uncached[i], NULL,
 				   ttm_uncached, i);
 	}
+
+#ifdef CONFIG_DEBUG_FS
+	debugfs_create_file("page_pool", 0444, ttm_debugfs_root, NULL,
+			    &ttm_pool_debugfs_globals_fops);
+	debugfs_create_file("page_pool_shrink", 0400, ttm_debugfs_root, NULL,
+			    &ttm_pool_debugfs_shrink_fops);
+#endif
 
 	mm_shrinker.count_objects = ttm_pool_shrinker_count;
 	mm_shrinker.scan_objects = ttm_pool_shrinker_scan;

drivers/gpu/drm/ttm/ttm_range_manager.c

···
 
 static const struct ttm_resource_manager_func ttm_range_manager_func;
 
-int ttm_range_man_init(struct ttm_bo_device *bdev,
+int ttm_range_man_init(struct ttm_device *bdev,
 		       unsigned type, bool use_tt,
 		       unsigned long p_size)
 {
···
 }
 EXPORT_SYMBOL(ttm_range_man_init);
 
-int ttm_range_man_fini(struct ttm_bo_device *bdev,
+int ttm_range_man_fini(struct ttm_device *bdev,
 		       unsigned type)
 {
 	struct ttm_resource_manager *man = ttm_manager_type(bdev, type);

drivers/gpu/drm/ttm/ttm_resource.c

···
  * Evict all the objects out of a memory manager until it is empty.
  * Part of memory manager cleanup sequence.
  */
-int ttm_resource_manager_evict_all(struct ttm_bo_device *bdev,
+int ttm_resource_manager_evict_all(struct ttm_device *bdev,
 				   struct ttm_resource_manager *man)
 {
 	struct ttm_operation_ctx ctx = {
···
 		.no_wait_gpu = false,
 		.force_alloc = true
 	};
-	struct ttm_bo_global *glob = &ttm_bo_glob;
+	struct ttm_global *glob = &ttm_glob;
 	struct dma_fence *fence;
 	int ret;
 	unsigned i;

drivers/gpu/drm/ttm/ttm_tt.c

···
 #include <drm/drm_cache.h>
 #include <drm/ttm/ttm_bo_driver.h>
 
+#include "ttm_module.h"
+
+static struct shrinker mm_shrinker;
+static atomic_long_t swapable_pages;
+
 /*
  * Allocates a ttm structure for the given BO.
  */
 int ttm_tt_create(struct ttm_buffer_object *bo, bool zero_alloc)
 {
-	struct ttm_bo_device *bdev = bo->bdev;
+	struct ttm_device *bdev = bo->bdev;
 	uint32_t page_flags = 0;
 
 	dma_resv_assert_held(bo->base.resv);
···
 		return -EINVAL;
 	}
 
-	bo->ttm = bdev->driver->ttm_tt_create(bo, page_flags);
+	bo->ttm = bdev->funcs->ttm_tt_create(bo, page_flags);
 	if (unlikely(bo->ttm == NULL))
 		return -ENOMEM;
 
···
 	return 0;
 }
 
-void ttm_tt_destroy_common(struct ttm_bo_device *bdev, struct ttm_tt *ttm)
+void ttm_tt_destroy_common(struct ttm_device *bdev, struct ttm_tt *ttm)
 {
 	ttm_tt_unpopulate(bdev, ttm);
 
···
 }
 EXPORT_SYMBOL(ttm_tt_destroy_common);
 
-void ttm_tt_destroy(struct ttm_bo_device *bdev, struct ttm_tt *ttm)
+void ttm_tt_destroy(struct ttm_device *bdev, struct ttm_tt *ttm)
 {
-	bdev->driver->ttm_tt_destroy(bdev, ttm);
+	bdev->funcs->ttm_tt_destroy(bdev, ttm);
 }
 
 static void ttm_tt_init_fields(struct ttm_tt *ttm,
···
 	return ret;
 }
 
-int ttm_tt_swapout(struct ttm_bo_device *bdev, struct ttm_tt *ttm)
+/**
+ * ttm_tt_swapout - swap out tt object
+ *
+ * @bdev: TTM device structure.
+ * @ttm: The struct ttm_tt.
+ * @gfp_flags: Flags to use for memory allocation.
+ *
+ * Swapout a TT object to a shmem_file, return number of pages swapped out or
+ * negative error code.
+ */
+int ttm_tt_swapout(struct ttm_device *bdev, struct ttm_tt *ttm,
+		   gfp_t gfp_flags)
 {
+	loff_t size = (loff_t)ttm->num_pages << PAGE_SHIFT;
 	struct address_space *swap_space;
 	struct file *swap_storage;
 	struct page *from_page;
 	struct page *to_page;
-	gfp_t gfp_mask;
 	int i, ret;
 
-	swap_storage = shmem_file_setup("ttm swap",
-					ttm->num_pages << PAGE_SHIFT,
-					0);
+	swap_storage = shmem_file_setup("ttm swap", size, 0);
 	if (IS_ERR(swap_storage)) {
 		pr_err("Failed allocating swap storage\n");
 		return PTR_ERR(swap_storage);
 	}
 
 	swap_space = swap_storage->f_mapping;
-	gfp_mask = mapping_gfp_mask(swap_space);
+	gfp_flags &= mapping_gfp_mask(swap_space);
 
 	for (i = 0; i < ttm->num_pages; ++i) {
 		from_page = ttm->pages[i];
 		if (unlikely(from_page == NULL))
 			continue;
 
-		to_page = shmem_read_mapping_page_gfp(swap_space, i, gfp_mask);
+		to_page = shmem_read_mapping_page_gfp(swap_space, i, gfp_flags);
 		if (IS_ERR(to_page)) {
 			ret = PTR_ERR(to_page);
 			goto out_err;
···
 	ttm->swap_storage = swap_storage;
 	ttm->page_flags |= TTM_PAGE_FLAG_SWAPPED;
 
-	return 0;
+	return ttm->num_pages;
 
 out_err:
 	fput(swap_storage);
···
 	return ret;
 }
 
-static void ttm_tt_add_mapping(struct ttm_bo_device *bdev, struct ttm_tt *ttm)
+static void ttm_tt_add_mapping(struct ttm_device *bdev, struct ttm_tt *ttm)
 {
 	pgoff_t i;
 
···
 
 	for (i = 0; i < ttm->num_pages; ++i)
 		ttm->pages[i]->mapping = bdev->dev_mapping;
+
+	atomic_long_add(ttm->num_pages, &swapable_pages);
 }
 
-int ttm_tt_populate(struct ttm_bo_device *bdev,
+int ttm_tt_populate(struct ttm_device *bdev,
 		    struct ttm_tt *ttm, struct ttm_operation_ctx *ctx)
 {
 	int ret;
···
 	if (ttm_tt_is_populated(ttm))
 		return 0;
 
-	if (bdev->driver->ttm_tt_populate)
-		ret = bdev->driver->ttm_tt_populate(bdev, ttm, ctx);
+	if (bdev->funcs->ttm_tt_populate)
+		ret = bdev->funcs->ttm_tt_populate(bdev, ttm, ctx);
 	else
 		ret = ttm_pool_alloc(&bdev->pool, ttm, ctx);
 	if (ret)
···
 		(*page)->mapping = NULL;
 		(*page++)->index = 0;
 	}
+
+	atomic_long_sub(ttm->num_pages, &swapable_pages);
 }
 
-void ttm_tt_unpopulate(struct ttm_bo_device *bdev,
+void ttm_tt_unpopulate(struct ttm_device *bdev,
 		       struct ttm_tt *ttm)
 {
 	if (!ttm_tt_is_populated(ttm))
 		return;
 
 	ttm_tt_clear_mapping(ttm);
-	if (bdev->driver->ttm_tt_unpopulate)
-		bdev->driver->ttm_tt_unpopulate(bdev, ttm);
+	if (bdev->funcs->ttm_tt_unpopulate)
+		bdev->funcs->ttm_tt_unpopulate(bdev, ttm);
 	else
 		ttm_pool_free(&bdev->pool, ttm);
 	ttm->page_flags &= ~TTM_PAGE_FLAG_PRIV_POPULATED;
+}
+
+/* As long as pages are available make sure to release at least one */
+static unsigned long ttm_tt_shrinker_scan(struct shrinker *shrink,
+					  struct shrink_control *sc)
+{
+	struct ttm_operation_ctx ctx = {
+		.no_wait_gpu = false
+	};
+	int ret;
+
+	ret = ttm_bo_swapout(&ctx, GFP_NOFS);
+	return ret < 0 ? SHRINK_EMPTY : ret;
+}
+
+/* Return the number of pages available or SHRINK_EMPTY if we have none */
+static unsigned long ttm_tt_shrinker_count(struct shrinker *shrink,
+					   struct shrink_control *sc)
+{
+	unsigned long num_pages;
+
+	num_pages = atomic_long_read(&swapable_pages);
+	return num_pages ? num_pages : SHRINK_EMPTY;
+}
+
+#ifdef CONFIG_DEBUG_FS
+
+/* Test the shrinker functions and dump the result */
+static int ttm_tt_debugfs_shrink_show(struct seq_file *m, void *data)
+{
+	struct shrink_control sc = { .gfp_mask = GFP_KERNEL };
+
+	fs_reclaim_acquire(GFP_KERNEL);
+	seq_printf(m, "%lu/%lu\n", ttm_tt_shrinker_count(&mm_shrinker, &sc),
+		   ttm_tt_shrinker_scan(&mm_shrinker, &sc));
+	fs_reclaim_release(GFP_KERNEL);
+
+	return 0;
+}
+DEFINE_SHOW_ATTRIBUTE(ttm_tt_debugfs_shrink);
+
+#endif
+
+
+
+/**
+ * ttm_tt_mgr_init - register with the MM shrinker
+ *
+ * Register with the MM shrinker for swapping out BOs.
+ */
+int ttm_tt_mgr_init(void)
+{
+#ifdef CONFIG_DEBUG_FS
+	debugfs_create_file("tt_shrink", 0400, ttm_debugfs_root, NULL,
+			    &ttm_tt_debugfs_shrink_fops);
+#endif
+
+	mm_shrinker.count_objects = ttm_tt_shrinker_count;
+	mm_shrinker.scan_objects = ttm_tt_shrinker_scan;
+	mm_shrinker.seeks = 1;
+	return register_shrinker(&mm_shrinker);
+}
+
+/**
+ * ttm_tt_mgr_fini - unregister our MM shrinker
+ *
+ * Unregisters the MM shrinker.
+ */
+void ttm_tt_mgr_fini(void)
+{
+	unregister_shrinker(&mm_shrinker);
 }

drivers/gpu/drm/tve200/tve200_display.c

···
 
 #include <drm/drm_fb_cma_helper.h>
 #include <drm/drm_fourcc.h>
+#include <drm/drm_gem_atomic_helper.h>
 #include <drm/drm_gem_cma_helper.h>
-#include <drm/drm_gem_framebuffer_helper.h>
 #include <drm/drm_panel.h>
 #include <drm/drm_vblank.h>
 
···
 	.enable = tve200_display_enable,
 	.disable = tve200_display_disable,
 	.update = tve200_display_update,
-	.prepare_fb = drm_gem_fb_simple_display_pipe_prepare_fb,
+	.prepare_fb = drm_gem_simple_display_pipe_prepare_fb,
 	.enable_vblank = tve200_display_enable_vblank,
 	.disable_vblank = tve200_display_disable_vblank,
 };

drivers/gpu/drm/udl/udl_modeset.c

···
 #include <drm/drm_crtc_helper.h>
 #include <drm/drm_damage_helper.h>
 #include <drm/drm_fourcc.h>
+#include <drm/drm_gem_atomic_helper.h>
 #include <drm/drm_gem_framebuffer_helper.h>
 #include <drm/drm_gem_shmem_helper.h>
 #include <drm/drm_modeset_helper_vtables.h>
···
 	return 0;
 }
 
-static int udl_handle_damage(struct drm_framebuffer *fb, int x, int y,
-			     int width, int height)
+static int udl_handle_damage(struct drm_framebuffer *fb, const struct dma_buf_map *map,
+			     int x, int y, int width, int height)
 {
 	struct drm_device *dev = fb->dev;
 	struct dma_buf_attachment *import_attach = fb->obj[0]->import_attach;
+	void *vaddr = map->vaddr; /* TODO: Use mapping abstraction properly */
 	int i, ret, tmp_ret;
 	char *cmd;
 	struct urb *urb;
 	struct drm_rect clip;
 	int log_bpp;
-	struct dma_buf_map map;
-	void *vaddr;
 
 	ret = udl_log_cpp(fb->format->cpp[0]);
 	if (ret < 0)
···
 			return ret;
 	}
 
-	ret = drm_gem_shmem_vmap(fb->obj[0], &map);
-	if (ret) {
-		DRM_ERROR("failed to vmap fb\n");
-		goto out_dma_buf_end_cpu_access;
-	}
-	vaddr = map.vaddr; /* TODO: Use mapping abstraction properly */
-
 	urb = udl_get_urb(dev);
 	if (!urb) {
 		ret = -ENOMEM;
-		goto out_drm_gem_shmem_vunmap;
+		goto out_dma_buf_end_cpu_access;
 	}
 	cmd = urb->transfer_buffer;
 
···
 				       &cmd, byte_offset, dev_byte_offset,
 				       byte_width);
 		if (ret)
-			goto out_drm_gem_shmem_vunmap;
+			goto out_dma_buf_end_cpu_access;
 	}
 
 	if (cmd > (char *)urb->transfer_buffer) {
···
 
 	ret = 0;
 
-out_drm_gem_shmem_vunmap:
-	drm_gem_shmem_vunmap(fb->obj[0], &map);
 out_dma_buf_end_cpu_access:
 	if (import_attach) {
 		tmp_ret = dma_buf_end_cpu_access(import_attach->dmabuf,
···
 	struct drm_framebuffer *fb = plane_state->fb;
 	struct udl_device *udl = to_udl(dev);
 	struct drm_display_mode *mode = &crtc_state->mode;
+	struct drm_shadow_plane_state *shadow_plane_state = to_drm_shadow_plane_state(plane_state);
 	char *buf;
 	char *wrptr;
 	int color_depth = UDL_COLOR_DEPTH_16BPP;
···
 
 	udl->mode_buf_len = wrptr - buf;
 
-	udl_handle_damage(fb, 0, 0, fb->width, fb->height);
+	udl_handle_damage(fb, &shadow_plane_state->map[0], 0, 0, fb->width, fb->height);
 
 	if (!crtc_state->mode_changed)
 		return;
···
 			       struct drm_plane_state *old_plane_state)
 {
 	struct drm_plane_state *state = pipe->plane.state;
+	struct drm_shadow_plane_state *shadow_plane_state = to_drm_shadow_plane_state(state);
 	struct drm_framebuffer *fb = state->fb;
 	struct drm_rect rect;
 
···
 		return;
 
 	if (drm_atomic_helper_damage_merged(old_plane_state, state, &rect))
-		udl_handle_damage(fb, rect.x1, rect.y1, rect.x2 - rect.x1,
-				  rect.y2 - rect.y1);
+		udl_handle_damage(fb, &shadow_plane_state->map[0], rect.x1, rect.y1,
+				  rect.x2 - rect.x1, rect.y2 - rect.y1);
 }
 
-static const
-struct drm_simple_display_pipe_funcs udl_simple_display_pipe_funcs = {
+static const struct drm_simple_display_pipe_funcs udl_simple_display_pipe_funcs = {
 	.mode_valid = udl_simple_display_pipe_mode_valid,
 	.enable = udl_simple_display_pipe_enable,
 	.disable = udl_simple_display_pipe_disable,
 	.update = udl_simple_display_pipe_update,
-	.prepare_fb = drm_gem_fb_simple_display_pipe_prepare_fb,
+	DRM_GEM_SIMPLE_DISPLAY_PIPE_SHADOW_PLANE_FUNCS,
 };
 
 /*

drivers/gpu/drm/v3d/v3d_sched.c

···
 	return NULL;
 }
 
-static void
+static enum drm_gpu_sched_stat
 v3d_gpu_reset_for_timeout(struct v3d_dev *v3d, struct drm_sched_job *sched_job)
 {
 	enum v3d_queue q;
···
 	}
 
 	mutex_unlock(&v3d->reset_lock);
+
+	return DRM_GPU_SCHED_STAT_NOMINAL;
 }
 
 /* If the current address or return address have changed, then the GPU
···
  * could fail if the GPU got in an infinite loop in the CL, but that
  * is pretty unlikely outside of an i-g-t testcase.
  */
-static void
+static enum drm_gpu_sched_stat
 v3d_cl_job_timedout(struct drm_sched_job *sched_job, enum v3d_queue q,
 		    u32 *timedout_ctca, u32 *timedout_ctra)
 {
···
 	if (*timedout_ctca != ctca || *timedout_ctra != ctra) {
 		*timedout_ctca = ctca;
 		*timedout_ctra = ctra;
-		return;
+		return DRM_GPU_SCHED_STAT_NOMINAL;
 	}
 
-	v3d_gpu_reset_for_timeout(v3d, sched_job);
+	return v3d_gpu_reset_for_timeout(v3d, sched_job);
 }
 
-static void
+static enum drm_gpu_sched_stat
 v3d_bin_job_timedout(struct drm_sched_job *sched_job)
 {
 	struct v3d_bin_job *job = to_bin_job(sched_job);
 
-	v3d_cl_job_timedout(sched_job, V3D_BIN,
-			    &job->timedout_ctca, &job->timedout_ctra);
+	return v3d_cl_job_timedout(sched_job, V3D_BIN,
+				   &job->timedout_ctca, &job->timedout_ctra);
 }
 
-static void
+static enum drm_gpu_sched_stat
 v3d_render_job_timedout(struct drm_sched_job *sched_job)
 {
 	struct v3d_render_job *job = to_render_job(sched_job);
 
-	v3d_cl_job_timedout(sched_job, V3D_RENDER,
-			    &job->timedout_ctca, &job->timedout_ctra);
+	return v3d_cl_job_timedout(sched_job, V3D_RENDER,
+				   &job->timedout_ctca, &job->timedout_ctra);
 }
 
-static void
+static enum drm_gpu_sched_stat
 v3d_generic_job_timedout(struct drm_sched_job *sched_job)
 {
 	struct v3d_job *job = to_v3d_job(sched_job);
 
-	v3d_gpu_reset_for_timeout(job->v3d, sched_job);
+	return v3d_gpu_reset_for_timeout(job->v3d, sched_job);
 }
 
-static void
+static enum drm_gpu_sched_stat
 v3d_csd_job_timedout(struct drm_sched_job *sched_job)
 {
 	struct v3d_csd_job *job = to_csd_job(sched_job);
···
 	 */
 	if (job->timedout_batches != batches) {
 		job->timedout_batches = batches;
-		return;
+		return DRM_GPU_SCHED_STAT_NOMINAL;
 	}
 
-	v3d_gpu_reset_for_timeout(v3d, sched_job);
+	return v3d_gpu_reset_for_timeout(v3d, sched_job);
 }
 
 static const struct drm_sched_backend_ops v3d_bin_sched_ops = {
···
 			     &v3d_bin_sched_ops,
 			     hw_jobs_limit, job_hang_limit,
 			     msecs_to_jiffies(hang_limit_ms),
-			     "v3d_bin");
+			     NULL, "v3d_bin");
 	if (ret) {
 		dev_err(v3d->drm.dev, "Failed to create bin scheduler: %d.", ret);
 		return ret;
···
 			     &v3d_render_sched_ops,
 			     hw_jobs_limit, job_hang_limit,
 			     msecs_to_jiffies(hang_limit_ms),
-			     "v3d_render");
+			     NULL, "v3d_render");
 	if (ret) {
 		dev_err(v3d->drm.dev, "Failed to create render scheduler: %d.",
 			ret);
···
 			     &v3d_tfu_sched_ops,
 			     hw_jobs_limit, job_hang_limit,
 			     msecs_to_jiffies(hang_limit_ms),
-			     "v3d_tfu");
+			     NULL, "v3d_tfu");
 	if (ret) {
 		dev_err(v3d->drm.dev, "Failed to create TFU scheduler: %d.",
 			ret);
···
 				     &v3d_csd_sched_ops,
 				     hw_jobs_limit, job_hang_limit,
 				     msecs_to_jiffies(hang_limit_ms),
-				     "v3d_csd");
+				     NULL, "v3d_csd");
 		if (ret) {
 			dev_err(v3d->drm.dev, "Failed to create CSD scheduler: %d.",
 				ret);
···
 				     &v3d_cache_clean_sched_ops,
 				     hw_jobs_limit, job_hang_limit,
 				     msecs_to_jiffies(hang_limit_ms),
-				     "v3d_cache_clean");
+				     NULL, "v3d_cache_clean");
 		if (ret) {
 			dev_err(v3d->drm.dev, "Failed to create CACHE_CLEAN scheduler: %d.",
 				ret);

drivers/gpu/drm/vboxvideo/vbox_mode.c

···
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_fb_helper.h>
 #include <drm/drm_fourcc.h>
+#include <drm/drm_gem_atomic_helper.h>
 #include <drm/drm_gem_framebuffer_helper.h>
 #include <drm/drm_plane_helper.h>
 #include <drm/drm_probe_helper.h>
···
 };
 
 static int vbox_primary_atomic_check(struct drm_plane *plane,
-				     struct drm_plane_state *new_state)
+				     struct drm_atomic_state *state)
 {
+	struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
+									   plane);
 	struct drm_crtc_state *crtc_state = NULL;
 
 	if (new_state->crtc) {
-		crtc_state = drm_atomic_get_existing_crtc_state(
-					    new_state->state, new_state->crtc);
+		crtc_state = drm_atomic_get_existing_crtc_state(state,
+								new_state->crtc);
 		if (WARN_ON(!crtc_state))
 			return -EINVAL;
 	}
···
 }
 
 static void vbox_primary_atomic_update(struct drm_plane *plane,
-				       struct drm_plane_state *old_state)
+				       struct drm_atomic_state *state)
 {
-	struct drm_crtc *crtc = plane->state->crtc;
-	struct drm_framebuffer *fb = plane->state->fb;
+	struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
+									   plane);
+	struct drm_crtc *crtc = new_state->crtc;
+	struct drm_framebuffer *fb = new_state->fb;
 	struct vbox_private *vbox = to_vbox_dev(fb->dev);
 	struct drm_mode_rect *clips;
 	uint32_t num_clips, i;
 
 	vbox_crtc_set_base_and_mode(crtc, fb,
-				    plane->state->src_x >> 16,
-				    plane->state->src_y >> 16);
+				    new_state->src_x >> 16,
+				    new_state->src_y >> 16);
 
 	/* Send information about dirty rectangles to VBVA. */
 
-	clips = drm_plane_get_damage_clips(plane->state);
-	num_clips = drm_plane_get_damage_clips_count(plane->state);
+	clips = drm_plane_get_damage_clips(new_state);
+	num_clips = drm_plane_get_damage_clips_count(new_state);
 
 	if (!num_clips)
 		return;
···
 }
 
 static void vbox_primary_atomic_disable(struct drm_plane *plane,
-					struct drm_plane_state *old_state)
+					struct drm_atomic_state *state)
 {
+	struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state,
+									   plane);
 	struct drm_crtc *crtc = old_state->crtc;
 
 	/* vbox_do_modeset checks plane->state->fb and will disable if NULL */
···
 }
 
 static int vbox_cursor_atomic_check(struct drm_plane *plane,
-				    struct drm_plane_state *new_state)
+				    struct drm_atomic_state *state)
 {
+	struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
+									   plane);
 	struct drm_crtc_state *crtc_state = NULL;
 	u32 width = new_state->crtc_w;
 	u32 height = new_state->crtc_h;
 	int ret;
 
 	if (new_state->crtc) {
-		crtc_state = drm_atomic_get_existing_crtc_state(
-					    new_state->state, new_state->crtc);
+		crtc_state = drm_atomic_get_existing_crtc_state(state,
+								new_state->crtc);
 		if (WARN_ON(!crtc_state))
 			return -EINVAL;
 	}
···
 }
 
 static void vbox_cursor_atomic_update(struct drm_plane *plane,
-				      struct drm_plane_state *old_state)
+				      struct drm_atomic_state *state)
 {
+	struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state,
+									   plane);
+	struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
+									   plane);
 	struct vbox_private *vbox =
 		container_of(plane->dev, struct vbox_private, ddev);
-	struct vbox_crtc *vbox_crtc = to_vbox_crtc(plane->state->crtc);
-	struct drm_framebuffer *fb = plane->state->fb;
-	struct drm_gem_vram_object *gbo = drm_gem_vram_of_gem(fb->obj[0]);
-	u32 width = plane->state->crtc_w;
-	u32 height = plane->state->crtc_h;
+	struct vbox_crtc *vbox_crtc = to_vbox_crtc(new_state->crtc);
+	struct drm_framebuffer *fb = new_state->fb;
+	u32 width = new_state->crtc_w;
+	u32 height = new_state->crtc_h;
+	struct drm_shadow_plane_state *shadow_plane_state =
+		to_drm_shadow_plane_state(new_state);
+	struct dma_buf_map map = shadow_plane_state->map[0];
+	u8 *src = map.vaddr; /* TODO: Use mapping abstraction properly */
 	size_t data_size, mask_size;
 	u32 flags;
-	struct dma_buf_map map;
-	int ret;
-	u8 *src;
 
 	/*
 	 * VirtualBox uses the host windowing system to draw the cursor so
···
 
 	vbox_crtc->cursor_enabled = true;
 
-	ret = drm_gem_vram_vmap(gbo, &map);
-	if (ret) {
-		/*
-		 * BUG: we should have pinned the BO in prepare_fb().
-		 */
-		mutex_unlock(&vbox->hw_mutex);
-		DRM_WARN("Could not map cursor bo, skipping update\n");
-		return;
-	}
-	src = map.vaddr; /* TODO: Use mapping abstraction properly */
-
 	/*
 	 * The mask must be calculated based on the alpha
 	 * channel, one bit per ARGB word, and must be 32-bit
···
 	data_size = width * height * 4 + mask_size;
 
 	copy_cursor_image(src, vbox->cursor_data, width, height, mask_size);
-	drm_gem_vram_vunmap(gbo, &map);
 
 	flags = VBOX_MOUSE_POINTER_VISIBLE | VBOX_MOUSE_POINTER_SHAPE |
 		VBOX_MOUSE_POINTER_ALPHA;
···
 }
 
 static void vbox_cursor_atomic_disable(struct drm_plane *plane,
-				       struct drm_plane_state *old_state)
+				       struct drm_atomic_state *state)
 {
+	struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state,
+									   plane);
 	struct vbox_private *vbox =
 		container_of(plane->dev, struct vbox_private, ddev);
 	struct vbox_crtc *vbox_crtc = to_vbox_crtc(old_state->crtc);
···
 	.atomic_check	= vbox_cursor_atomic_check,
 	.atomic_update	= vbox_cursor_atomic_update,
 	.atomic_disable	= vbox_cursor_atomic_disable,
-	.prepare_fb	= drm_gem_vram_plane_helper_prepare_fb,
-	.cleanup_fb	= drm_gem_vram_plane_helper_cleanup_fb,
+	DRM_GEM_SHADOW_PLANE_HELPER_FUNCS,
 };
 
 static const struct drm_plane_funcs vbox_cursor_plane_funcs = {
 	.update_plane	= drm_atomic_helper_update_plane,
 	.disable_plane	= drm_atomic_helper_disable_plane,
 	.destroy	= drm_primary_helper_destroy,
-	.reset		= drm_atomic_helper_plane_reset,
-	.atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
-	.atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
+	DRM_GEM_SHADOW_PLANE_FUNCS,
 };
 
 static const u32 vbox_primary_plane_formats[] = {

drivers/gpu/drm/vc4/vc4_kms.c

···
 	for_each_old_crtc_in_state(state, crtc, old_crtc_state, i) {
 		struct vc4_crtc_state *vc4_crtc_state =
 			to_vc4_crtc_state(old_crtc_state);
-		struct drm_crtc_commit *commit;
 		unsigned int channel = vc4_crtc_state->assigned_channel;
-		unsigned long done;
+		int ret;
 
 		if (channel == VC4_HVS_CHANNEL_DISABLED)
 			continue;
···
 		if (!old_hvs_state->fifo_state[channel].in_use)
 			continue;
 
-		commit = old_hvs_state->fifo_state[i].pending_commit;
-		if (!commit)
-			continue;
-
-		done = wait_for_completion_timeout(&commit->hw_done, 10 * HZ);
-		if (!done)
-			drm_err(dev, "Timed out waiting for hw_done\n");
-
-		done = wait_for_completion_timeout(&commit->flip_done, 10 * HZ);
-		if (!done)
-			drm_err(dev, "Timed out waiting for flip_done\n");
+		ret = drm_crtc_commit_wait(old_hvs_state->fifo_state[i].pending_commit);
+		if (ret)
+			drm_err(dev, "Timed out waiting for commit\n");
 	}
 
 	drm_atomic_helper_commit_modeset_disables(dev, state);

drivers/gpu/drm/vc4/vc4_plane.c

···
 #include <drm/drm_atomic_uapi.h>
 #include <drm/drm_fb_cma_helper.h>
 #include <drm/drm_fourcc.h>
-#include <drm/drm_gem_framebuffer_helper.h>
+#include <drm/drm_gem_atomic_helper.h>
 #include <drm/drm_plane_helper.h>
 
 #include "uapi/drm/vc4_drm.h"
···
  * in the CRTC's flush.
  */
 static int vc4_plane_atomic_check(struct drm_plane *plane,
-				  struct drm_plane_state *state)
+				  struct drm_atomic_state *state)
 {
-	struct vc4_plane_state *vc4_state = to_vc4_plane_state(state);
+	struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
+										 plane);
+	struct vc4_plane_state *vc4_state = to_vc4_plane_state(new_plane_state);
 	int ret;
 
 	vc4_state->dlist_count = 0;
 
-	if (!plane_enabled(state))
+	if (!plane_enabled(new_plane_state))
 		return 0;
 
-	ret = vc4_plane_mode_set(plane, state);
+	ret = vc4_plane_mode_set(plane, new_plane_state);
 	if (ret)
 		return ret;
 
-	return vc4_plane_allocate_lbm(state);
+	return vc4_plane_allocate_lbm(new_plane_state);
 }
 
 static void vc4_plane_atomic_update(struct drm_plane *plane,
-				    struct drm_plane_state *old_state)
+				    struct drm_atomic_state *state)
 {
 	/* No contents here.  Since we don't know where in the CRTC's
 	 * dlist we should be stored, our dlist is uploaded to the
···
 }
 
 static void vc4_plane_atomic_async_update(struct drm_plane *plane,
-					  struct drm_plane_state *state)
+					  struct drm_atomic_state *state)
 {
+	struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
+										 plane);
 	struct vc4_plane_state *vc4_state, *new_vc4_state;
 
-	swap(plane->state->fb, state->fb);
-	plane->state->crtc_x = state->crtc_x;
-	plane->state->crtc_y = state->crtc_y;
-	plane->state->crtc_w = state->crtc_w;
-	plane->state->crtc_h = state->crtc_h;
-	plane->state->src_x = state->src_x;
-	plane->state->src_y = state->src_y;
-	plane->state->src_w = state->src_w;
-	plane->state->src_h = state->src_h;
-	plane->state->src_h = state->src_h;
-	plane->state->alpha = state->alpha;
-	plane->state->pixel_blend_mode = state->pixel_blend_mode;
-	plane->state->rotation = state->rotation;
-	plane->state->zpos = state->zpos;
-	plane->state->normalized_zpos = state->normalized_zpos;
-	plane->state->color_encoding = state->color_encoding;
-	plane->state->color_range = state->color_range;
-	plane->state->src = state->src;
-	plane->state->dst = state->dst;
-	plane->state->visible = state->visible;
+	swap(plane->state->fb, new_plane_state->fb);
+	plane->state->crtc_x = new_plane_state->crtc_x;
+	plane->state->crtc_y = new_plane_state->crtc_y;
+	plane->state->crtc_w = new_plane_state->crtc_w;
+	plane->state->crtc_h = new_plane_state->crtc_h;
+	plane->state->src_x = new_plane_state->src_x;
+	plane->state->src_y = new_plane_state->src_y;
+	plane->state->src_w = new_plane_state->src_w;
+	plane->state->src_h = new_plane_state->src_h;
+	plane->state->src_h = new_plane_state->src_h;
+	plane->state->alpha = new_plane_state->alpha;
+	plane->state->pixel_blend_mode = new_plane_state->pixel_blend_mode;
+	plane->state->rotation = new_plane_state->rotation;
+	plane->state->zpos = new_plane_state->zpos;
+	plane->state->normalized_zpos = new_plane_state->normalized_zpos;
+	plane->state->color_encoding = new_plane_state->color_encoding;
+	plane->state->color_range = new_plane_state->color_range;
+	plane->state->src = new_plane_state->src;
+	plane->state->dst = new_plane_state->dst;
+	plane->state->visible = new_plane_state->visible;
 
-	new_vc4_state = to_vc4_plane_state(state);
+	new_vc4_state = to_vc4_plane_state(new_plane_state);
 	vc4_state = to_vc4_plane_state(plane->state);
 
 	vc4_state->crtc_x = new_vc4_state->crtc_x;
···
 }
 
 static int vc4_plane_atomic_async_check(struct drm_plane *plane,
-					struct drm_plane_state *state)
+					struct drm_atomic_state *state)
 {
+	struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
+										 plane);
 	struct vc4_plane_state *old_vc4_state, *new_vc4_state;
 	int ret;
 	u32 i;
 
-	ret = vc4_plane_mode_set(plane, state);
+	ret = vc4_plane_mode_set(plane, new_plane_state);
 	if (ret)
 		return ret;
 
 	old_vc4_state = to_vc4_plane_state(plane->state);
-	new_vc4_state = to_vc4_plane_state(state);
+	new_vc4_state = to_vc4_plane_state(new_plane_state);
 	if (old_vc4_state->dlist_count != new_vc4_state->dlist_count ||
 	    old_vc4_state->pos0_offset != new_vc4_state->pos0_offset ||
 	    old_vc4_state->pos2_offset != new_vc4_state->pos2_offset ||
 	    old_vc4_state->ptr0_offset != new_vc4_state->ptr0_offset ||
-	    vc4_lbm_size(plane->state) != vc4_lbm_size(state))
+	    vc4_lbm_size(plane->state) != vc4_lbm_size(new_plane_state))
 		return -EINVAL;
 
 	/* Only pos0, pos2 and ptr0 DWORDS can be updated in an async update
···
 
 	bo = to_vc4_bo(&drm_fb_cma_get_gem_obj(state->fb, 0)->base);
 
-	drm_gem_fb_prepare_fb(plane, state);
+	drm_gem_plane_helper_prepare_fb(plane, state);
 
 	if (plane->state->fb == state->fb)
 		return 0;

drivers/gpu/drm/virtio/virtgpu_plane.c

···
 };
 
 static int virtio_gpu_plane_atomic_check(struct drm_plane *plane,
-					 struct drm_plane_state *state)
+					 struct drm_atomic_state *state)
 {
+	struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
+										 plane);
 	bool is_cursor = plane->type == DRM_PLANE_TYPE_CURSOR;
 	struct drm_crtc_state *crtc_state;
 	int ret;
 
-	if (!state->fb || WARN_ON(!state->crtc))
+	if (!new_plane_state->fb || WARN_ON(!new_plane_state->crtc))
 		return 0;
 
-	crtc_state = drm_atomic_get_crtc_state(state->state, state->crtc);
+	crtc_state = drm_atomic_get_crtc_state(state,
+					       new_plane_state->crtc);
 	if (IS_ERR(crtc_state))
                 return PTR_ERR(crtc_state);
 
-	ret = drm_atomic_helper_check_plane_state(state, crtc_state,
+	ret = drm_atomic_helper_check_plane_state(new_plane_state, crtc_state,
 						  DRM_PLANE_HELPER_NO_SCALING,
 						  DRM_PLANE_HELPER_NO_SCALING,
 						  is_cursor, true);
···
 }
 
 static void virtio_gpu_primary_plane_update(struct drm_plane *plane,
-					    struct drm_plane_state *old_state)
+					    struct drm_atomic_state *state)
 {
+	struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state,
+									   plane);
 	struct drm_device *dev = plane->dev;
 	struct virtio_gpu_device *vgdev = dev->dev_private;
 	struct virtio_gpu_output *output = NULL;
···
 }
 
 static void virtio_gpu_cursor_plane_update(struct drm_plane *plane,
-					   struct drm_plane_state *old_state)
+					   struct drm_atomic_state *state)
 {
+	struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state,
+									   plane);
 	struct drm_device *dev = plane->dev;
 	struct virtio_gpu_device *vgdev = dev->dev_private;
 	struct virtio_gpu_output *output = NULL;

drivers/gpu/drm/vkms/vkms_crtc.c

···
 // SPDX-License-Identifier: GPL-2.0+
 
+#include <linux/dma-fence.h>
+
 #include <drm/drm_atomic.h>
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_probe_helper.h>
···
 	struct drm_crtc *crtc = &output->crtc;
 	struct vkms_crtc_state *state;
 	u64 ret_overrun;
-	bool ret;
+	bool ret, fence_cookie;
+
+	fence_cookie = dma_fence_begin_signalling();
 
 	ret_overrun = hrtimer_forward_now(&output->vblank_hrtimer,
 					  output->period_ns);
···
 		if (!ret)
 			DRM_DEBUG_DRIVER("Composer worker already queued\n");
 	}
+
+	dma_fence_end_signalling(fence_cookie);
 
 	return HRTIMER_RESTART;
 }

drivers/gpu/drm/vkms/vkms_plane.c

···
 #include <drm/drm_atomic.h>
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_fourcc.h>
+#include <drm/drm_gem_atomic_helper.h>
 #include <drm/drm_gem_framebuffer_helper.h>
 #include <drm/drm_plane_helper.h>
 #include <drm/drm_gem_shmem_helper.h>
···
 };
 
 static void vkms_plane_atomic_update(struct drm_plane *plane,
-				     struct drm_plane_state *old_state)
+				     struct drm_atomic_state *state)
 {
+	struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
+									   plane);
 	struct vkms_plane_state *vkms_plane_state;
-	struct drm_framebuffer *fb = plane->state->fb;
+	struct drm_framebuffer *fb = new_state->fb;
 	struct vkms_composer *composer;
 
-	if (!plane->state->crtc || !fb)
+	if (!new_state->crtc || !fb)
 		return;
 
-	vkms_plane_state = to_vkms_plane_state(plane->state);
+	vkms_plane_state = to_vkms_plane_state(new_state);
 
 	composer = vkms_plane_state->composer;
-	memcpy(&composer->src, &plane->state->src, sizeof(struct drm_rect));
-	memcpy(&composer->dst, &plane->state->dst, sizeof(struct drm_rect));
+	memcpy(&composer->src, &new_state->src, sizeof(struct drm_rect));
+	memcpy(&composer->dst, &new_state->dst, sizeof(struct drm_rect));
 	memcpy(&composer->fb, fb, sizeof(struct drm_framebuffer));
 	drm_framebuffer_get(&composer->fb);
 	composer->offset = fb->offsets[0];
···
 }
 
 static int vkms_plane_atomic_check(struct drm_plane *plane,
-				   struct drm_plane_state *state)
+				   struct drm_atomic_state *state)
 {
+	struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
+										 plane);
 	struct drm_crtc_state *crtc_state;
 	bool can_position = false;
 	int ret;
 
-	if (!state->fb || WARN_ON(!state->crtc))
+	if (!new_plane_state->fb || WARN_ON(!new_plane_state->crtc))
 		return 0;
 
-	crtc_state = drm_atomic_get_crtc_state(state->state, state->crtc);
+	crtc_state = drm_atomic_get_crtc_state(state,
+					       new_plane_state->crtc);
 	if (IS_ERR(crtc_state))
 		return PTR_ERR(crtc_state);
 
 	if (plane->type == DRM_PLANE_TYPE_CURSOR)
 		can_position = true;
 
-	ret = drm_atomic_helper_check_plane_state(state, crtc_state,
+	ret = drm_atomic_helper_check_plane_state(new_plane_state, crtc_state,
 						  DRM_PLANE_HELPER_NO_SCALING,
 						  DRM_PLANE_HELPER_NO_SCALING,
 						  can_position, true);
···
 		return ret;
 
 	/* for now primary plane must be visible and full screen */
-	if (!state->visible && !can_position)
+	if (!new_plane_state->visible && !can_position)
 		return -EINVAL;
 
 	return 0;
···
 	if (ret)
 		DRM_ERROR("vmap failed: %d\n", ret);
 
-	return drm_gem_fb_prepare_fb(plane, state);
+	return drm_gem_plane_helper_prepare_fb(plane, state);
 }
 
 static void vkms_cleanup_fb(struct drm_plane *plane,

drivers/gpu/drm/vkms/vkms_writeback.c

···
 	}
 
 	if (fb->format->format != vkms_wb_formats[0]) {
-		struct drm_format_name_buf format_name;
-
-		DRM_DEBUG_KMS("Invalid pixel format %s\n",
-			      drm_get_format_name(fb->format->format,
-						  &format_name));
+		DRM_DEBUG_KMS("Invalid pixel format %p4cc\n",
+			      &fb->format->format);
 		return -EINVAL;
 	}
 

drivers/gpu/drm/vmwgfx/Makefile

···
 	    vmwgfx_cotable.o vmwgfx_so.o vmwgfx_binding.o vmwgfx_msg.o \
 	    vmwgfx_simple_resource.o vmwgfx_va.o vmwgfx_blit.o \
 	    vmwgfx_validation.o vmwgfx_page_dirty.o vmwgfx_streamoutput.o \
-	    ttm_object.o ttm_lock.o
+	    ttm_object.o ttm_lock.o ttm_memory.o
 
 vmwgfx-$(CONFIG_TRANSPARENT_HUGEPAGE) += vmwgfx_thp.o
 obj-$(CONFIG_DRM_VMWGFX) := vmwgfx.o

drivers/gpu/drm/vmwgfx/ttm_object.c

···
  */
 
 
+#define pr_fmt(fmt) "[TTM] " fmt
+
+#include <linux/list.h>
+#include <linux/spinlock.h>
+#include <linux/slab.h>
+#include <linux/atomic.h>
+#include "ttm_object.h"
+
 /**
  * struct ttm_object_file
  *
···
  *
  * @ref_hash: Hash tables of ref objects, one per ttm_ref_type,
  * for fast lookup of ref objects given a base object.
+ *
+ * @refcount: reference/usage count
  */
-
-#define pr_fmt(fmt) "[TTM] " fmt
-
-#include <linux/list.h>
-#include <linux/spinlock.h>
-#include <linux/slab.h>
-#include <linux/atomic.h>
-#include "ttm_object.h"
-
 struct ttm_object_file {
 	struct ttm_object_device *tdev;
 	spinlock_t lock;
···
 	struct kref refcount;
 };
 
-/**
+/*
  * struct ttm_object_device
  *
  * @object_lock: lock that protects the object_hash hash table.
···
 	struct idr idr;
 };
 
-/**
+/*
  * struct ttm_ref_object
  *
  * @hash: Hash entry for the per-file object reference hash.
···
 /**
  * get_dma_buf_unless_doomed - get a dma_buf reference if possible.
  *
- * @dma_buf: Non-refcounted pointer to a struct dma-buf.
+ * @dmabuf: Non-refcounted pointer to a struct dma-buf.
  *
  * Obtain a file reference from a lookup structure that doesn't refcount
  * the file, but synchronizes with its release method to make sure it has

drivers/gpu/drm/vmwgfx/ttm_object.h

···
 #include <linux/rcupdate.h>
 
 #include <drm/drm_hashtab.h>
-#include <drm/ttm/ttm_memory.h>
+
+#include "ttm_memory.h"
 
 /**
  * enum ttm_ref_type

drivers/gpu/drm/vmwgfx/vmwgfx_binding.c

···
  *
  * @cbs: Pointer to the context binding state tracker.
  * @bi: Information about the binding to track.
+ * @shader_slot: The shader slot of the binding.
+ * @slot: The slot of the binding.
  *
  * Starts tracking the binding in the context binding
  * state structure @cbs.
···
  * vmw_binding_transfer: Transfer a context binding tracking entry.
  *
  * @cbs: Pointer to the persistent context binding state tracker.
+ * @from: Staged binding info built during execbuf
  * @bi: Information about the binding to track.
  *
  */
···
 /**
  * vmw_binding_state_commit - Commit staged binding info
  *
- * @ctx: Pointer to context to commit the staged binding info to.
+ * @to:   Staged binding info area to copy into to.
  * @from: Staged binding info built during execbuf.
- * @scrubbed: Transfer only scrubbed bindings.
  *
  * Transfers binding info from a temporary structure
  * (typically used by execbuf) to the persistent
···
 /**
  * vmw_binding_rebind_all - Rebind all scrubbed bindings of a context
  *
- * @ctx: The context resource
+ * @cbs: Pointer to the context binding state tracker.
  *
  * Walks through the context binding list and rebinds all scrubbed
  * resources.
···
  * vmw_binding_emit_set_sr - Issue delayed DX shader resource binding commands
  *
  * @cbs: Pointer to the context's struct vmw_ctx_binding_state
+ * @shader_slot: The shader slot of the binding.
  */
 static int vmw_emit_set_sr(struct vmw_ctx_binding_state *cbs,
 			   int shader_slot)

drivers/gpu/drm/vmwgfx/vmwgfx_blit.c

···
  * @src_stride: Source stride in bytes.
  * @w: Width of blit.
  * @h: Height of blit.
+ * @diff: The struct vmw_diff_cpy used to track the modified bounding box.
  * return: Zero on success. Negative error value on failure. Will print out
  * kernel warnings on caller bugs.
  *
···
 		dma_resv_assert_held(src->base.resv);
 
 	if (!ttm_tt_is_populated(dst->ttm)) {
-		ret = dst->bdev->driver->ttm_tt_populate(dst->bdev, dst->ttm, &ctx);
+		ret = dst->bdev->funcs->ttm_tt_populate(dst->bdev, dst->ttm, &ctx);
 		if (ret)
 			return ret;
 	}
 
 	if (!ttm_tt_is_populated(src->ttm)) {
-		ret = src->bdev->driver->ttm_tt_populate(src->bdev, src->ttm, &ctx);
+		ret = src->bdev->funcs->ttm_tt_populate(src->bdev, src->ttm, &ctx);
 		if (ret)
 			return ret;
 	}

drivers/gpu/drm/vmwgfx/vmwgfx_bo.c

···
  *
  * @dev_priv:  Driver private.
  * @buf:  DMA buffer to move.
- * @pin:  Pin buffer if true.
  * @interruptible:  Use interruptible wait.
  * Return: Zero on success, Negative error code on failure. In particular
  * -ERESTARTSYS if interrupted by a signal
···
 	acc_size = ttm_round_pot(sizeof(*bo));
 	acc_size += ttm_round_pot(npages * sizeof(void *));
 	acc_size += ttm_round_pot(sizeof(struct ttm_tt));
-	ret = ttm_bo_init_reserved(&dev_priv->bdev, bo, size,
-				   ttm_bo_type_device, placement, 0,
-				   &ctx, acc_size, NULL, NULL, NULL);
+
+	ret = ttm_mem_global_alloc(&ttm_mem_glob, acc_size, &ctx);
 	if (unlikely(ret))
 		goto error_free;
+
+	ret = ttm_bo_init_reserved(&dev_priv->bdev, bo, size,
+				   ttm_bo_type_device, placement, 0,
+				   &ctx, NULL, NULL, NULL);
+	if (unlikely(ret))
+		goto error_account;
 
 	ttm_bo_pin(bo);
 	ttm_bo_unreserve(bo);
 	*p_bo = bo;
 
 	return 0;
+
+error_account:
+	ttm_mem_global_free(&ttm_mem_glob, acc_size);
 
 error_free:
 	kfree(bo);
···
 		void (*bo_free)(struct ttm_buffer_object *bo))
 {
 	struct ttm_operation_ctx ctx = { interruptible, false };
-	struct ttm_bo_device *bdev = &dev_priv->bdev;
+	struct ttm_device *bdev = &dev_priv->bdev;
 	size_t acc_size;
 	int ret;
 	bool user = (bo_free == &vmw_user_bo_destroy);
···
 	vmw_bo->base.priority = 3;
 	vmw_bo->res_tree = RB_ROOT;
 
-	ret = ttm_bo_init_reserved(bdev, &vmw_bo->base, size,
-				   ttm_bo_type_device, placement,
-				   0, &ctx, acc_size, NULL, NULL, bo_free);
+	ret = ttm_mem_global_alloc(&ttm_mem_glob, acc_size, &ctx);
 	if (unlikely(ret))
 		return ret;
+
+	ret = ttm_bo_init_reserved(bdev, &vmw_bo->base, size,
+				   ttm_bo_type_device, placement,
+				   0, &ctx, NULL, NULL, bo_free);
+	if (unlikely(ret)) {
+		ttm_mem_global_free(&ttm_mem_glob, acc_size);
+		return ret;
+	}
 
 	if (pin)
 		ttm_bo_pin(&vmw_bo->base);
···
  * @handle: Pointer to where the handle value should be assigned.
  * @p_vbo: Pointer to where the refcounted struct vmw_buffer_object pointer
  * should be assigned.
+ * @p_base: The TTM base object pointer about to be allocated.
  * Return: Zero on success, negative error code on error.
  */
 int vmw_user_bo_alloc(struct vmw_private *dev_priv,
···
 void vmw_bo_fence_single(struct ttm_buffer_object *bo,
 			 struct vmw_fence_obj *fence)
 {
-	struct ttm_bo_device *bdev = bo->bdev;
+	struct ttm_device *bdev = bo->bdev;
 
 	struct vmw_private *dev_priv =
 		container_of(bdev, struct vmw_private, bdev);

drivers/gpu/drm/vmwgfx/vmwgfx_cmd.c

···
 	return ret;
 }
 
-/**
+/*
  * Reserve @bytes number of bytes in the fifo.
  *
  * This function will return NULL (error) on two conditions:

drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c

···
  * @hw_submitted: List of command buffers submitted to hardware.
  * @preempted: List of preempted command buffers.
  * @num_hw_submitted: Number of buffers currently being processed by hardware
+ * @block_submission: Identifies a block command submission.
  */
 struct vmw_cmdbuf_context {
 	struct list_head submitted;
···
 };
 
 /**
- * struct vmw_cmdbuf_man: - Command buffer manager
+ * struct vmw_cmdbuf_man - Command buffer manager
  *
  * @cur_mutex: Mutex protecting the command buffer used for incremental small
  * kernel command submissions, @cur.
···
  * @max_hw_submitted: Max number of in-flight command buffers the device can
  * handle. Immutable.
  * @lock: Spinlock protecting command submission queues.
- * @header: Pool of DMA memory for device command buffer headers.
+ * @headers: Pool of DMA memory for device command buffer headers.
  * Internal protection.
  * @dheaders: Pool of DMA memory for device command buffer headers with trailing
  * space for inline data. Internal protection.
···
  * @cb_context: The device command buffer context.
  * @list: List head for attaching to the manager lists.
  * @node: The range manager node.
- * @handle. The DMA address of @cb_header. Handed to the device on command
+ * @handle: The DMA address of @cb_header. Handed to the device on command
  * buffer submission.
  * @cmd: Pointer to the command buffer space of this buffer.
  * @size: Size of the command buffer space of this buffer.
···
  * __vmw_cmdbuf_header_free - Free a struct vmw_cmdbuf_header  and its
  * associated structures.
  *
- * header: Pointer to the header to free.
+ * @header: Pointer to the header to free.
  *
  * For internal use. Must be called with man::lock held.
  */
···
 }
 
 /**
- * vmw_cmdbuf_ctx_submit: Process a command buffer context.
+ * vmw_cmdbuf_ctx_process - Process a command buffer context.
  *
  * @man: The command buffer manager.
  * @ctx: The command buffer context.
+ * @notempty: Pass back count of non-empty command submitted lists.
  *
  * Submit command buffers to hardware if possible, and process finished
  * buffers. Typically freeing them, but on preemption or error take
···
  * context.
  *
  * @man: The command buffer manager.
+ * @context: Device context to pass command through.
  *
  * Synchronously sends a preempt command.
  */
···
  * context.
  *
  * @man: The command buffer manager.
+ * @context: Device context to start/stop.
  * @enable: Whether to enable or disable the context.
  *
  * Synchronously sends a device start / stop context command.

drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf_res.c

···
  * vmw_cmdbuf_res_lookup - Look up a command buffer resource
  *
  * @man: Pointer to the command buffer resource manager
- * @resource_type: The resource type, that combined with the user key
+ * @res_type: The resource type, that combined with the user key
  * identifies the resource.
  * @user_key: The user key.
  *
···
 /**
  * vmw_cmdbuf_res_revert - Revert a list of command buffer resource actions
  *
- * @man: Pointer to the command buffer resource manager
  * @list: Caller's list of command buffer resource action
  *
  * This function reverts a list of command buffer resource
···
 void vmw_cmdbuf_res_revert(struct list_head *list)
 {
 	struct vmw_cmdbuf_res *entry, *next;
-	int ret;
 
 	list_for_each_entry_safe(entry, next, list, head) {
 		switch (entry->state) {
···
 			vmw_cmdbuf_res_free(entry->man, entry);
 			break;
 		case VMW_CMDBUF_RES_DEL:
-			ret = drm_ht_insert_item(&entry->man->resources,
-						 &entry->hash);
+			drm_ht_insert_item(&entry->man->resources, &entry->hash);
 			list_del(&entry->head);
 			list_add_tail(&entry->head, &entry->man->list);
 			entry->state = VMW_CMDBUF_RES_COMMITTED;
···
 }
 
 /**
- *
  * vmw_cmdbuf_res_man_size - Return the size of a command buffer managed
  * resource manager
  *

drivers/gpu/drm/vmwgfx/vmwgfx_context.c

···
 	.unbind = vmw_dx_context_unbind
 };
 
-/**
+/*
  * Context management:
  */
 
···
 	return 0;
 }
 
-/**
+/*
  * User-space context management:
  */
 
···
 			    vmw_user_context_size);
 }
 
-/**
+/*
  * This function is called when user space has no more references on the
  * base object. It releases the base-object's reference on the resource object.
  */

drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c

···
  * @min_initial_entries: Min number of initial intries at cotable allocation
  * for this cotable type.
  * @size: Size of each entry.
+ * @unbind_func: Unbind call-back function.
  */
 struct vmw_cotable_info {
 	u32 min_initial_entries;
···
  *
  * @res: Pointer to the cotable resource.
  * @readback: Whether to read back cotable data to the backup buffer.
- * val_buf: Pointer to a struct ttm_validate_buffer prepared by the caller
+ * @val_buf: Pointer to a struct ttm_validate_buffer prepared by the caller
  * for convenience / fencing.
  *
  * Unbinds the cotable from the device and fences the backup buffer.

drivers/gpu/drm/vmwgfx/vmwgfx_drv.c

···
 #define VMW_MIN_INITIAL_WIDTH 800
 #define VMW_MIN_INITIAL_HEIGHT 600
 
-#ifndef VMWGFX_GIT_VERSION
-#define VMWGFX_GIT_VERSION "Unknown"
-#endif
-
-#define VMWGFX_REPO "In Tree"
-
 #define VMWGFX_VALIDATION_MEM_GRAN (16*PAGE_SIZE)
 
 
···
 	DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_MSG,			\
 		struct drm_vmw_msg_arg)
 
-/**
+/*
  * The core DRM version of this macro doesn't account for
  * DRM_COMMAND_BASE.
  */
···
 #define VMW_IOCTL_DEF(ioctl, func, flags) \
   [DRM_IOCTL_NR(DRM_IOCTL_##ioctl) - DRM_COMMAND_BASE] = {DRM_IOCTL_##ioctl, flags, func}
 
-/**
+/*
  * Ioctl definitions.
  */
 
···
 	vmw_fifo_release(dev_priv, &dev_priv->fifo);
 }
 
-/**
+/*
  * Sets the initial_[width|height] fields on the given vmw_private.
  *
  * It does so by reading SVGA_REG_[WIDTH|HEIGHT] regs and then
···
 /**
  * vmw_dma_masks - set required page- and dma masks
  *
- * @dev: Pointer to struct drm-device
+ * @dev_priv: Pointer to struct drm-device
  *
  * With 32-bit we can only handle 32 bit PFNs. Optionally set that
  * restriction also for 64-bit systems.
···
 	drm_vma_offset_manager_init(&dev_priv->vma_manager,
 				    DRM_FILE_PAGE_OFFSET_START,
 				    DRM_FILE_PAGE_OFFSET_SIZE);
-	ret = ttm_bo_device_init(&dev_priv->bdev, &vmw_bo_driver,
-				 dev_priv->drm.dev,
-				 dev_priv->drm.anon_inode->i_mapping,
-				 &dev_priv->vma_manager,
-				 dev_priv->map_mode == vmw_dma_alloc_coherent,
-				 false);
+	ret = ttm_device_init(&dev_priv->bdev, &vmw_bo_driver,
+			      dev_priv->drm.dev,
+			      dev_priv->drm.anon_inode->i_mapping,
+			      &dev_priv->vma_manager,
+			      dev_priv->map_mode == vmw_dma_alloc_coherent,
+			      false);
 	if (unlikely(ret != 0)) {
 		DRM_ERROR("Failed initializing TTM buffer object driver.\n");
 		goto out_no_bdev;
···
 	if (ret)
 		goto out_no_fifo;
 
-	DRM_INFO("Atomic: %s\n", (dev_priv->drm.driver->driver_features & DRIVER_ATOMIC)
-		 ? "yes." : "no.");
 	if (dev_priv->sm_type == VMW_SM_5)
 		DRM_INFO("SM5 support available.\n");
 	if (dev_priv->sm_type == VMW_SM_4_1)
···
 	if (dev_priv->sm_type == VMW_SM_4)
 		DRM_INFO("SM4 support available.\n");
 
-	snprintf(host_log, sizeof(host_log), "vmwgfx: %s-%s",
-		VMWGFX_REPO, VMWGFX_GIT_VERSION);
-	vmw_host_log(host_log);
-
-	memset(host_log, 0, sizeof(host_log));
 	snprintf(host_log, sizeof(host_log), "vmwgfx: Module Version: %d.%d.%d",
 		VMWGFX_DRIVER_MAJOR, VMWGFX_DRIVER_MINOR,
 		VMWGFX_DRIVER_PATCHLEVEL);
···
 		vmw_gmrid_man_fini(dev_priv, VMW_PL_GMR);
 	vmw_vram_manager_fini(dev_priv);
 out_no_vram:
-	(void)ttm_bo_device_release(&dev_priv->bdev);
+	ttm_device_fini(&dev_priv->bdev);
 out_no_bdev:
 	vmw_fence_manager_takedown(dev_priv->fman);
 out_no_fman:
···
 	if (dev_priv->has_mob)
 		vmw_gmrid_man_fini(dev_priv, VMW_PL_MOB);
 	vmw_vram_manager_fini(dev_priv);
-	(void) ttm_bo_device_release(&dev_priv->bdev);
+	ttm_device_fini(&dev_priv->bdev);
 	drm_vma_offset_manager_destroy(&dev_priv->vma_manager);
 	vmw_release_device_late(dev_priv);
 	vmw_fence_manager_takedown(dev_priv->fman);
···
 {
 	struct drm_device *dev = pci_get_drvdata(pdev);
 
+	ttm_mem_global_release(&ttm_mem_glob);
 	drm_dev_unregister(dev);
 	vmw_driver_unload(dev);
 }
···
 	vmw_execbuf_release_pinned_bo(dev_priv);
 	vmw_resource_evict_all(dev_priv);
 	vmw_release_device_early(dev_priv);
-	while (ttm_bo_swapout(&ctx) == 0);
+	while (ttm_bo_swapout(&ctx, GFP_KERNEL) > 0);
 	if (dev_priv->enable_fb)
 		vmw_fifo_resource_dec(dev_priv);
 	if (atomic_read(&dev_priv->num_fifo_resources) != 0) {
···
 	if (IS_ERR(vmw))
 		return PTR_ERR(vmw);
 
-	vmw->drm.pdev = pdev;
 	pci_set_drvdata(pdev, &vmw->drm);
+
+	ret = ttm_mem_global_init(&ttm_mem_glob, &pdev->dev);
+	if (ret)
+		return ret;
 
 	ret = vmw_driver_load(vmw, ent->device);
 	if (ret)

drivers/gpu/drm/vmwgfx/vmwgfx_drv.h

···
 
 
 #define VMWGFX_DRIVER_NAME "vmwgfx"
-#define VMWGFX_DRIVER_DATE "20200114"
+#define VMWGFX_DRIVER_DATE "20210218"
 #define VMWGFX_DRIVER_MAJOR 2
 #define VMWGFX_DRIVER_MINOR 18
-#define VMWGFX_DRIVER_PATCHLEVEL 0
+#define VMWGFX_DRIVER_PATCHLEVEL 1
 #define VMWGFX_FIFO_STATIC_SIZE (1024*1024)
 #define VMWGFX_MAX_RELOCATIONS 2048
 #define VMWGFX_MAX_VALIDATIONS 2048
···
 
 struct vmw_private {
 	struct drm_device drm;
-	struct ttm_bo_device bdev;
+	struct ttm_device bdev;
 
 	struct vmw_fifo_state fifo;
 
···
 extern struct ttm_placement vmw_srf_placement;
 extern struct ttm_placement vmw_mob_placement;
 extern struct ttm_placement vmw_nonfixed_placement;
-extern struct ttm_bo_driver vmw_bo_driver;
+extern struct ttm_device_funcs vmw_bo_driver;
 extern const struct vmw_sg_table *
 vmw_bo_sg_table(struct ttm_buffer_object *bo);
 extern int vmw_bo_create_and_populate(struct vmw_private *dev_priv,
···
 
 	*buf = NULL;
 	if (tmp_buf != NULL) {
+		if (tmp_buf->base.pin_count > 0)
+			ttm_bo_unpin(&tmp_buf->base);
 		ttm_bo_put(&tmp_buf->base);
 	}
 }

drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c

···
  * with a NOP.
  * @vmw_res_rel_cond_nop: Conditional NOP relocation. If the resource id after
  * validation is -1, the command is replaced with a NOP. Otherwise no action.
- */
+ * @vmw_res_rel_max: Last value in the enum - used for error checking
+*/
 enum vmw_resource_relocation_type {
 	vmw_res_rel_normal,
 	vmw_res_rel_nop,
···
 /**
  * struct vmw_cmd_entry - Describe a command for the verifier
  *
+ * @func: Call-back to handle the command.
  * @user_allow: Whether allowed from the execbuf ioctl.
  * @gb_disable: Whether disabled if guest-backed objects are available.
  * @gb_enable: Whether enabled iff guest-backed objects are available.
+ * @cmd_name: Name of the command.
  */
 struct vmw_cmd_entry {
 	int (*func) (struct vmw_private *, struct vmw_sw_context *,
···
  *
  * @dev_priv: Pointer to the device private:
  * @sw_context: The command submission context
+ * @res: Pointer to the resource
  * @node: The validation node holding the context resource metadata
  */
 static int vmw_cmd_ctx_first_setup(struct vmw_private *dev_priv,
···
 /**
  * vmw_resource_relocation_add - Add a relocation to the relocation list
  *
- * @list: Pointer to head of relocation list.
+ * @sw_context: Pointer to the software context.
  * @res: The resource.
  * @offset: Offset into the command buffer currently being parsed where the id
  * that needs fixup is located. Granularity is one byte.
···
  * @converter: User-space visisble type specific information.
  * @id_loc: Pointer to the location in the command buffer currently being parsed
  * from where the user-space resource id handle is located.
- * @p_val: Pointer to pointer to resource validalidation node. Populated on
+ * @p_res: Pointer to pointer to resource validalidation node. Populated on
  * exit.
  */
 static int
···
  *
  * @dev_priv: Pointer to a device private struct.
  * @sw_context: The software context being used for this batch.
- * @val_node: The validation node representing the resource.
+ * @res: Pointer to the resource.
  * @buf_id: Pointer to the user-space backup buffer handle in the command
  * stream.
  * @backup_offset: Offset of backup into MOB.
···
 	return 0;
 }
 
-/**
+/*
  * vmw_execbuf_fence_commands - create and submit a command stream fence
  *
  * Creates a fence object and submits a command stream marker.
···
  * On successful return, the function returns a pointer to the data in the
  * command buffer and *@header is set to non-NULL.
  *
- * If command buffers could not be used, the function will return the value of
- * @kernel_commands on function call. That value may be NULL. In that case, the
- * value of *@header will be set to NULL.
+ * @kernel_commands: If command buffers could not be used, the function will
+ * return the value of @kernel_commands on function call. That value may be
+ * NULL. In that case, the value of *@header will be set to NULL.
  *
  * If an error is encountered, the function will return a pointer error value.
  * If the function is interrupted by a signal while sleeping, it will return

drivers/gpu/drm/vmwgfx/vmwgfx_fence.c

···
 /**
  * struct vmw_event_fence_action - fence action that delivers a drm event.
  *
- * @e: A struct drm_pending_event that controls the event delivery.
  * @action: A struct vmw_fence_action to hook up to a fence.
+ * @event: A pointer to the pending event.
  * @fence: A referenced pointer to the fence to keep it alive while @action
  * hangs on it.
  * @dev: Pointer to a struct drm_device so we can access the event stuff.
- * @kref: Both @e and @action has destructors, so we need to refcount.
- * @size: Size accounted for this object.
  * @tv_sec: If non-null, the variable pointed to will be assigned
  * current time tv_sec val when the fence signals.
  * @tv_usec: Must be set if @tv_sec is set, and the variable pointed to will
···
 	return container_of(fence->base.lock, struct vmw_fence_manager, lock);
 }
 
-/**
+/*
  * Note on fencing subsystem usage of irqs:
  * Typically the vmw_fences_update function is called
  *
···
 };
 
 
-/**
+/*
  * Execute signal actions on fences recently signaled.
  * This is done from a workqueue so we don't have to execute
  * signal actions from atomic context.
···
 }
 
 
-/**
+/*
  * vmw_fence_fifo_down - signal all unsignaled fence objects.
  */
 
···
 /**
  * vmw_fence_obj_add_action - Add an action to a fence object.
  *
- * @fence - The fence object.
- * @action - The action to add.
+ * @fence: The fence object.
+ * @action: The action to add.
  *
  * Note that the action callbacks may be executed before this function
  * returns.
···
  * @fence: The fence object on which to post the event.
  * @event: Event to be posted. This event should've been alloced
  * using k[mz]alloc, and should've been completely initialized.
+ * @tv_sec: If non-null, the variable pointed to will be assigned
+ * current time tv_sec val when the fence signals.
+ * @tv_usec: Must be set if @tv_sec is set, and the variable pointed to will
+ * be assigned the current time tv_usec val when the fence signals.
  * @interruptible: Interruptible waits if possible.
  *
  * As a side effect, the object pointed to by @event may have been

drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c

···
  * @filp: See the linux fops read documentation.
  * @buffer: See the linux fops read documentation.
  * @count: See the linux fops read documentation.
- * offset: See the linux fops read documentation.
+ * @offset: See the linux fops read documentation.
  *
  * Wrapper around the drm_read function that makes sure the device is
  * processing the fifo if drm_read decides to wait.

drivers/gpu/drm/vmwgfx/vmwgfx_kms.c

···
 
 void
 vmw_du_cursor_plane_atomic_update(struct drm_plane *plane,
-				  struct drm_plane_state *old_state)
+				  struct drm_atomic_state *state)
 {
-	struct drm_crtc *crtc = plane->state->crtc ?: old_state->crtc;
+	struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
+									   plane);
+	struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state,
+									   plane);
+	struct drm_crtc *crtc = new_state->crtc ?: old_state->crtc;
 	struct vmw_private *dev_priv = vmw_priv(crtc->dev);
 	struct vmw_display_unit *du = vmw_crtc_to_du(crtc);
-	struct vmw_plane_state *vps = vmw_plane_state_to_vps(plane->state);
+	struct vmw_plane_state *vps = vmw_plane_state_to_vps(new_state);
 	s32 hotspot_x, hotspot_y;
 	int ret = 0;
 
···
 	hotspot_x = du->hotspot_x;
 	hotspot_y = du->hotspot_y;
 
-	if (plane->state->fb) {
-		hotspot_x += plane->state->fb->hot_x;
-		hotspot_y += plane->state->fb->hot_y;
+	if (new_state->fb) {
+		hotspot_x += new_state->fb->hot_x;
+		hotspot_y += new_state->fb->hot_y;
 	}
 
 	du->cursor_surface = vps->surf;
···
 					      hotspot_y);
 	} else if (vps->bo) {
 		ret = vmw_cursor_update_bo(dev_priv, vps->bo,
-					   plane->state->crtc_w,
-					   plane->state->crtc_h,
+					   new_state->crtc_w,
+					   new_state->crtc_h,
 					   hotspot_x, hotspot_y);
 	} else {
 		vmw_cursor_update_position(dev_priv, false, 0, 0);
···
 	}
 
 	if (!ret) {
-		du->cursor_x = plane->state->crtc_x + du->set_gui_x;
-		du->cursor_y = plane->state->crtc_y + du->set_gui_y;
+		du->cursor_x = new_state->crtc_x + du->set_gui_x;
+		du->cursor_y = new_state->crtc_y + du->set_gui_y;
 
 		vmw_cursor_update_position(dev_priv, true,
 					   du->cursor_x + hotspot_x,
···
  * Returns 0 on success
  */
 int vmw_du_primary_plane_atomic_check(struct drm_plane *plane,
-				      struct drm_plane_state *state)
+				      struct drm_atomic_state *state)
 {
+	struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
+									   plane);
 	struct drm_crtc_state *crtc_state = NULL;
-	struct drm_framebuffer *new_fb = state->fb;
+	struct drm_framebuffer *new_fb = new_state->fb;
 	int ret;
 
-	if (state->crtc)
-		crtc_state = drm_atomic_get_new_crtc_state(state->state, state->crtc);
+	if (new_state->crtc)
+		crtc_state = drm_atomic_get_new_crtc_state(state,
+							   new_state->crtc);
 
-	ret = drm_atomic_helper_check_plane_state(state, crtc_state,
+	ret = drm_atomic_helper_check_plane_state(new_state, crtc_state,
 						  DRM_PLANE_HELPER_NO_SCALING,
 						  DRM_PLANE_HELPER_NO_SCALING,
 						  false, true);
 
 	if (!ret && new_fb) {
-		struct drm_crtc *crtc = state->crtc;
-		struct vmw_connector_state *vcs;
+		struct drm_crtc *crtc = new_state->crtc;
 		struct vmw_display_unit *du = vmw_crtc_to_du(crtc);
 
-		vcs = vmw_connector_state_to_vcs(du->connector.state);
+		vmw_connector_state_to_vcs(du->connector.state);
 	}
 
 
···
  * vmw_du_cursor_plane_atomic_check - check if the new state is okay
  *
  * @plane: cursor plane
- * @state: info on the new plane state
+ * @new_state: info on the new plane state
  *
  * This is a chance to fail if the new cursor state does not fit
  * our requirements.
···
  * Returns 0 on success
  */
 int vmw_du_cursor_plane_atomic_check(struct drm_plane *plane,
-				     struct drm_plane_state *new_state)
+				     struct drm_atomic_state *state)
 {
+	struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
+									   plane);
 	int ret = 0;
 	struct drm_crtc_state *crtc_state = NULL;
 	struct vmw_surface *surface = NULL;
···
 	struct vmw_framebuffer_surface *vfbs;
 	enum SVGA3dSurfaceFormat format;
 	int ret;
-	struct drm_format_name_buf format_name;
 
 	/* 3D is only supported on HWv8 and newer hosts */
 	if (dev_priv->active_display_unit == vmw_du_legacy)
···
 		format = SVGA3D_A1R5G5B5;
 		break;
 	default:
-		DRM_ERROR("Invalid pixel format: %s\n",
-			  drm_get_format_name(mode_cmd->pixel_format, &format_name));
+		DRM_ERROR("Invalid pixel format: %p4cc\n",
+			  &mode_cmd->pixel_format);
 		return -EINVAL;
 	}
 
···
 	.dirty = vmw_framebuffer_bo_dirty_ext,
 };
 
-/**
+/*
  * Pin the bofer in a location suitable for access by the
  * display system.
  */
···
 	uint32_t format;
 	struct vmw_resource *res;
 	unsigned int bytes_pp;
-	struct drm_format_name_buf format_name;
 	int ret;
 
 	switch (mode_cmd->pixel_format) {
···
 		break;
 
 	default:
-		DRM_ERROR("Invalid framebuffer format %s\n",
-			  drm_get_format_name(mode_cmd->pixel_format, &format_name));
+		DRM_ERROR("Invalid framebuffer format %p4cc\n",
+			  &mode_cmd->pixel_format);
 		return -EINVAL;
 	}
 
···
 	struct drm_device *dev = &dev_priv->drm;
 	struct vmw_framebuffer_bo *vfbd;
 	unsigned int requested_size;
-	struct drm_format_name_buf format_name;
 	int ret;
 
 	requested_size = mode_cmd->height * mode_cmd->pitches[0];
···
 		case DRM_FORMAT_RGB565:
 			break;
 		default:
-			DRM_ERROR("Invalid pixel format: %s\n",
-				  drm_get_format_name(mode_cmd->pixel_format, &format_name));
+			DRM_ERROR("Invalid pixel format: %p4cc\n",
+				  &mode_cmd->pixel_format);
 			return -EINVAL;
 		}
 	}
···
 /**
  * vmw_kms_srf_ok - check if a surface can be created
  *
+ * @dev_priv: Pointer to device private struct.
  * @width: requested width
  * @height: requested height
  *
···
 		drm_property_create_range(&dev_priv->drm,
 					  DRM_MODE_PROP_IMMUTABLE,
 					  "hotplug_mode_update", 0, 1);
-
-	if (!dev_priv->hotplug_mode_update_property)
-		return;
-
 }
 
 int vmw_kms_init(struct vmw_private *dev_priv)
···
 }
 
 
-/**
+/*
  * Function called by DRM code called with vbl_lock held.
  */
 u32 vmw_get_vblank_counter(struct drm_crtc *crtc)
···
 	return 0;
 }
 
-/**
+/*
  * Function called by DRM code called with vbl_lock held.
  */
 int vmw_enable_vblank(struct drm_crtc *crtc)
···
 	return -EINVAL;
 }
 
-/**
+/*
  * Function called by DRM code called with vbl_lock held.
  */
 void vmw_disable_vblank(struct drm_crtc *crtc)
···
 	{ DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216,
 		   1344, 1600, 0, 864, 865, 868, 900, 0,
 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
+	/* 1280x720@60Hz */
+	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74500, 1280, 1344,
+		   1472, 1664, 0, 720, 723, 728, 748, 0,
+		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
 	/* 1280x768@60Hz */
 	{ DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 79500, 1280, 1344,
 		   1472, 1664, 0, 768, 771, 778, 798, 0,
···
 	{ DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 218250, 1856, 1952,
 		   2176, 2528, 0, 1392, 1393, 1396, 1439, 0,
 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
+	/* 1920x1080@60Hz */
+	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 173000, 1920, 2048,
+		   2248, 2576, 0, 1080, 1083, 1088, 1120, 0,
+		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
 	/* 1920x1200@60Hz */
 	{ DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 193250, 1920, 2056,
 		   2256, 2592, 0, 1200, 1203, 1209, 1245, 0,
···
 	{ DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 234000, 1920, 2048,
 		   2256, 2600, 0, 1440, 1441, 1444, 1500, 0,
 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
+	/* 2560x1440@60Hz */
+	{ DRM_MODE("2560x1440", DRM_MODE_TYPE_DRIVER, 241500, 2560, 2608,
+		   2640, 2720, 0, 1440, 1443, 1448, 1481, 0,
+		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
 	/* 2560x1600@60Hz */
 	{ DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 348500, 2560, 2752,
 		   3032, 3504, 0, 1600, 1603, 1609, 1658, 0,
 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
+	/* 2880x1800@60Hz */
+	{ DRM_MODE("2880x1800", DRM_MODE_TYPE_DRIVER, 337500, 2880, 2928,
+		   2960, 3040, 0, 1800, 1803, 1809, 1852, 0,
+		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
+	/* 3840x2160@60Hz */
+	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 533000, 3840, 3888,
+		   3920, 4000, 0, 2160, 2163, 2168, 2222, 0,
+		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
+	/* 3840x2400@60Hz */
+	{ DRM_MODE("3840x2400", DRM_MODE_TYPE_DRIVER, 592250, 3840, 3888,
+		   3920, 4000, 0, 2400, 2403, 2409, 2469, 0,
+		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
 	/* Terminate */
 	{ DRM_MODE("", 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0) },
 };
···
  * vmw_guess_mode_timing - Provide fake timings for a
  * 60Hz vrefresh mode.
  *
- * @mode - Pointer to a struct drm_display_mode with hdisplay and vdisplay
+ * @mode: Pointer to a struct drm_display_mode with hdisplay and vdisplay
  * members filled in.
  */
 void vmw_guess_mode_timing(struct drm_display_mode *mode)
···
 	mode->hdisplay = du->pref_width;
 	mode->vdisplay = du->pref_height;
 	vmw_guess_mode_timing(mode);
+	drm_mode_set_name(mode);
 
 	if (vmw_kms_validate_mode_vram(dev_priv,
 					mode->hdisplay * assumed_bpp,

drivers/gpu/drm/vmwgfx/vmwgfx_kms.h

···
 };
 
 
-static const uint32_t vmw_primary_plane_formats[] = {
+static const uint32_t __maybe_unused vmw_primary_plane_formats[] = {
 	DRM_FORMAT_XRGB1555,
 	DRM_FORMAT_RGB565,
 	DRM_FORMAT_RGB888,
···
 	DRM_FORMAT_ARGB8888,
 };
 
-static const uint32_t vmw_cursor_plane_formats[] = {
+static const uint32_t __maybe_unused vmw_cursor_plane_formats[] = {
 	DRM_FORMAT_ARGB8888,
 };
 
···
 
 /* Atomic Helpers */
 int vmw_du_primary_plane_atomic_check(struct drm_plane *plane,
-				      struct drm_plane_state *state);
+				      struct drm_atomic_state *state);
 int vmw_du_cursor_plane_atomic_check(struct drm_plane *plane,
-				     struct drm_plane_state *state);
+				     struct drm_atomic_state *state);
 void vmw_du_cursor_plane_atomic_update(struct drm_plane *plane,
-				       struct drm_plane_state *old_state);
+				       struct drm_atomic_state *state);
 int vmw_du_cursor_plane_prepare_fb(struct drm_plane *plane,
 				   struct drm_plane_state *new_state);
 void vmw_du_plane_cleanup_fb(struct drm_plane *plane,

drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c

···
 	struct vmw_framebuffer *fb;
 };
 
-/**
+/*
  * Display unit using the legacy register interface.
  */
 struct vmw_legacy_display_unit {
···
  * vmw_ldu_crtc_atomic_enable - Noop
  *
  * @crtc: CRTC associated with the new screen
+ * @state: Unused
  *
  * This is called after a mode set has been completed.  Here's
  * usually a good place to call vmw_ldu_add_active/vmw_ldu_del_active
···
  * vmw_ldu_crtc_atomic_disable - Turns off CRTC
  *
  * @crtc: CRTC to be turned off
+ * @state: Unused
  */
 static void vmw_ldu_crtc_atomic_disable(struct drm_crtc *crtc,
 					struct drm_atomic_state *state)
···
 
 static void
 vmw_ldu_primary_plane_atomic_update(struct drm_plane *plane,
-				    struct drm_plane_state *old_state)
+				    struct drm_atomic_state *state)
 {
+	struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state,
+									   plane);
+	struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
+									   plane);
 	struct vmw_private *dev_priv;
 	struct vmw_legacy_display_unit *ldu;
 	struct vmw_framebuffer *vfb;
 	struct drm_framebuffer *fb;
-	struct drm_crtc *crtc = plane->state->crtc ?: old_state->crtc;
+	struct drm_crtc *crtc = new_state->crtc ?: old_state->crtc;
 
 
 	ldu = vmw_crtc_to_ldu(crtc);
 	dev_priv = vmw_priv(plane->dev);
-	fb       = plane->state->fb;
+	fb       = new_state->fb;
 
 	vfb = (fb) ? vmw_framebuffer_to_vfb(fb) : NULL;
 

drivers/gpu/drm/vmwgfx/vmwgfx_mob.c

···
 						 &batch->otables[i]);
 	}
 
+	ttm_bo_unpin(batch->otable_bo);
 	ttm_bo_put(batch->otable_bo);
 	batch->otable_bo = NULL;
 	return ret;
···
 	vmw_bo_fence_single(bo, NULL);
 	ttm_bo_unreserve(bo);
 
+	ttm_bo_unpin(batch->otable_bo);
 	ttm_bo_put(batch->otable_bo);
 	batch->otable_bo = NULL;
 }
···
 void vmw_mob_destroy(struct vmw_mob *mob)
 {
 	if (mob->pt_bo) {
+		ttm_bo_unpin(mob->pt_bo);
 		ttm_bo_put(mob->pt_bo);
 		mob->pt_bo = NULL;
 	}
···
 out_no_cmd_space:
 	vmw_fifo_resource_dec(dev_priv);
 	if (pt_set_up) {
+		ttm_bo_unpin(mob->pt_bo);
 		ttm_bo_put(mob->pt_bo);
 		mob->pt_bo = NULL;
 	}

drivers/gpu/drm/vmwgfx/vmwgfx_msg.c

···
  * vmw_send_msg: Sends a message to the host
  *
  * @channel: RPC channel
- * @logmsg: NULL terminated string
+ * @msg: NULL terminated string
  *
  * Returns: 0 on success
  */

drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c

···
 	struct drm_vmw_control_stream_arg saved;
 };
 
-/**
+/*
  * Overlay control
  */
 struct vmw_overlay {
···
 	cmd->flush.streamId = stream_id;
 }
 
-/**
+/*
  * Send put command to hw.
  *
  * Returns
···
 	return 0;
 }
 
-/**
+/*
  * Send stop command to hw.
  *
  * Returns
···
 	return 0;
 }
 
-/**
+/*
  * Move a buffer to vram or gmr if @pin is set, else unpin the buffer.
  *
  * With the introduction of screen objects buffers could now be
···
 	return vmw_bo_pin_in_vram_or_gmr(dev_priv, buf, inter);
 }
 
-/**
+/*
  * Stop or pause a stream.
  *
  * If the stream is paused the no evict flag is removed from the buffer
···
 	return 0;
 }
 
-/**
+/*
  * Update a stream and send any put or stop fifo commands needed.
  *
  * The caller must hold the overlay lock.
···
 	return 0;
 }
 
-/**
+/*
  * Try to resume all paused streams.
  *
  * Used by the kms code after moving a new scanout buffer to vram.
···
 	return 0;
 }
 
-/**
+/*
  * Pauses all active streams.
  *
  * Used by the kms code when moving a new scanout buffer to vram.

drivers/gpu/drm/vmwgfx/vmwgfx_resource.c

···
  *
  * @dev_priv:       Pointer to a device private struct.
  * @res:            The struct vmw_resource to initialize.
- * @obj_type:       Resource object type.
  * @delay_id:       Boolean whether to defer device id allocation until
  *                  the first validation.
  * @res_free:       Resource destructor.
···
  * @tfile:        Pointer to a struct ttm_object_file identifying the caller
  * @handle:       The TTM user-space handle
  * @converter:    Pointer to an object describing the resource type
- * @p_res:        On successful return the location pointed to will contain
- *                a pointer to a refcounted struct vmw_resource.
  *
  * If the handle can't be found or is associated with an incorrect resource
  * type, -EINVAL will be returned.
···
 	return converter->base_obj_to_res(base);
 }
 
-/**
+/*
  * Helper function that looks either a surface or bo.
  *
  * The pointer this pointed at by out_surf and out_buf needs to be null.
···
  * @res:            The resource to make visible to the device.
  * @val_buf:        Information about a buffer possibly
  *                  containing backup data if a bind operation is needed.
+ * @dirtying:       Transfer dirty regions.
  *
  * On hardware resource shortage, this function returns -EBUSY and
  * should be retried once resources have been freed up.
···
 	return ret;
 }
 
-/**
+/*
  * vmw_resource_reserve - Reserve a resource for command submission
  *
  * @res:            The resource to reserve.
···
 			   struct ttm_resource *mem)
 {
 	struct vmw_buffer_object *dx_query_mob;
-	struct ttm_bo_device *bdev = bo->bdev;
+	struct ttm_device *bdev = bo->bdev;
 	struct vmw_private *dev_priv;
 
 
···
 	mutex_unlock(&dev_priv->cmdbuf_mutex);
 }
 
-/**
+/*
  * vmw_resource_pin - Add a pin reference on a resource
  *
  * @res: The resource to add a pin reference on

drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c

···
 	SVGAFifoCmdDefineGMRFB body;
 };
 
-/**
+/*
  * Display unit using screen objects.
  */
 struct vmw_screen_object_unit {
···
 	vmw_sou_destroy(vmw_crtc_to_sou(crtc));
 }
 
-/**
+/*
  * Send the fifo command to create a screen.
  */
 static int vmw_sou_fifo_create(struct vmw_private *dev_priv,
···
 	return 0;
 }
 
-/**
+/*
  * Send the fifo command to destroy a screen.
  */
 static int vmw_sou_fifo_destroy(struct vmw_private *dev_priv,
···
 /**
  * vmw_sou_crtc_helper_prepare - Noop
  *
- * @crtc: CRTC associated with the new screen
+ * @crtc:  CRTC associated with the new screen
  *
  * Prepares the CRTC for a mode set, but we don't need to do anything here.
  */
···
  * vmw_sou_crtc_atomic_enable - Noop
  *
  * @crtc: CRTC associated with the new screen
+ * @state: Unused
  *
  * This is called after a mode set has been completed.
  */
···
  * vmw_sou_crtc_atomic_disable - Turns off CRTC
  *
  * @crtc: CRTC to be turned off
+ * @state: Unused
  */
 static void vmw_sou_crtc_atomic_disable(struct drm_crtc *crtc,
 					struct drm_atomic_state *state)
···
 
 static void
 vmw_sou_primary_plane_atomic_update(struct drm_plane *plane,
-				    struct drm_plane_state *old_state)
+				    struct drm_atomic_state *state)
 {
-	struct drm_crtc *crtc = plane->state->crtc;
+	struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state, plane);
+	struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state, plane);
+	struct drm_crtc *crtc = new_state->crtc;
 	struct drm_pending_vblank_event *event = NULL;
 	struct vmw_fence_obj *fence = NULL;
 	int ret;
 
 	/* In case of device error, maintain consistent atomic state */
-	if (crtc && plane->state->fb) {
+	if (crtc && new_state->fb) {
 		struct vmw_private *dev_priv = vmw_priv(crtc->dev);
 		struct vmw_framebuffer *vfb =
-			vmw_framebuffer_to_vfb(plane->state->fb);
+			vmw_framebuffer_to_vfb(new_state->fb);
 
 		if (vfb->bo)
 			ret = vmw_sou_plane_update_bo(dev_priv, plane,

drivers/gpu/drm/vmwgfx/vmwgfx_shader.c

···
 	.commit_notify = vmw_dx_shader_commit_notify,
 };
 
-/**
+/*
  * Shader management:
  */
 
···
 
 
 
-/**
+/*
  * User-space shader management:
  */
 
···
 			    vmw_shader_size);
 }
 
-/**
+/*
  * This function is called when user space has no more references on the
  * base object. It releases the base-object's reference on the resource object.
  */
···
  * vmw_compat_shader_add - Create a compat shader and stage it for addition
  * as a command buffer managed resource.
  *
+ * @dev_priv: Pointer to device private structure.
  * @man: Pointer to the compat shader manager identifying the shader namespace.
  * @user_key: The key that is used to identify the shader. The key is
  * unique to the shader type.
  * @bytecode: Pointer to the bytecode of the shader.
  * @shader_type: Shader type.
- * @tfile: Pointer to a struct ttm_object_file that the guest-backed shader is
- * to be created with.
+ * @size: Command size.
  * @list: Caller's list of staged command buffer resource actions.
  *
  */

drivers/gpu/drm/vmwgfx/vmwgfx_so.c

···
 /**
  * struct vmw_view - view metadata
  *
+ * @rcu: RCU callback head
  * @res: The struct vmw_resource we derive from
  * @ctx: Non-refcounted pointer to the context this view belongs to.
  * @srf: Refcounted pointer to the surface pointed to by this view.

drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c

···
  * @bottom: Bottom side of bounding box.
  * @fb_left: Left side of the framebuffer/content bounding box
  * @fb_top: Top of the framebuffer/content bounding box
+ * @pitch: framebuffer pitch (stride)
  * @buf: buffer object when DMA-ing between buffer and screen targets.
  * @sid: Surface ID when copying between surface and screen targets.
  */
···
  *               content_vfbs dimensions, then this is a pointer into the
  *               corresponding field in content_vfbs.  If not, then this
  *               is a separate buffer to which content_vfbs will blit to.
- * @content_type:  content_fb type
- * @defined:  true if the current display unit has been initialized
+ * @content_fb_type: content_fb type
+ * @display_width:  display width
+ * @display_height: display height
+ * @defined:     true if the current display unit has been initialized
+ * @cpp:         Bytes per pixel
  */
 struct vmw_screen_target_display_unit {
 	struct vmw_display_unit base;
···
  * @file_priv: Pointer to a struct drm-file identifying the caller. May be
  * set to NULL, but then @user_fence_rep must also be set to NULL.
  * @vfb: Pointer to the buffer-object backed framebuffer.
+ * @user_fence_rep: User-space provided structure for fence information.
  * @clips: Array of clip rects. Either @clips or @vclips must be NULL.
  * @vclips: Alternate array of clip rects. Either @clips or @vclips must
  * be NULL.
···
  */
 static void
 vmw_stdu_primary_plane_atomic_update(struct drm_plane *plane,
-				     struct drm_plane_state *old_state)
+				     struct drm_atomic_state *state)
 {
-	struct vmw_plane_state *vps = vmw_plane_state_to_vps(plane->state);
-	struct drm_crtc *crtc = plane->state->crtc;
+	struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state, plane);
+	struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state, plane);
+	struct vmw_plane_state *vps = vmw_plane_state_to_vps(new_state);
+	struct drm_crtc *crtc = new_state->crtc;
 	struct vmw_screen_target_display_unit *stdu;
 	struct drm_pending_vblank_event *event;
 	struct vmw_fence_obj *fence = NULL;
···
 	int ret;
 
 	/* If case of device error, maintain consistent atomic state */
-	if (crtc && plane->state->fb) {
+	if (crtc && new_state->fb) {
 		struct vmw_framebuffer *vfb =
-			vmw_framebuffer_to_vfb(plane->state->fb);
+			vmw_framebuffer_to_vfb(new_state->fb);
 		stdu = vmw_crtc_to_stdu(crtc);
 		dev_priv = vmw_priv(crtc->dev);
 

drivers/gpu/drm/vmwgfx/vmwgfx_surface.c

···
 /**
  * struct vmw_user_surface - User-space visible surface resource
  *
+ * @prime:          The TTM prime object.
  * @base:           The TTM base object handling user-space visibility.
  * @srf:            The surface metadata.
  * @size:           TTM accounting size for the surface.
- * @master: master of the creating client. Used for security check.
+ * @master:         Master of the creating client. Used for security check.
+ * @backup_base:    The TTM base object of the backup buffer.
  */
 struct vmw_user_surface {
 	struct ttm_prime_object prime;
···
 };
 
 /**
- * vmw_surface_dirty - Surface dirty-tracker
+ * struct vmw_surface_dirty - Surface dirty-tracker
  * @cache: Cached layout information of the surface.
  * @size: Accounting size for the struct vmw_surface_dirty.
  * @num_subres: Number of subresources.
···
 	.clean = vmw_surface_clean,
 };
 
-/**
+/*
  * struct vmw_surface_dma - SVGA3D DMA command
  */
 struct vmw_surface_dma {
···
 	SVGA3dCmdSurfaceDMASuffix suffix;
 };
 
-/**
+/*
  * struct vmw_surface_define - SVGA3D Surface Define command
  */
 struct vmw_surface_define {
···
 	SVGA3dCmdDefineSurface body;
 };
 
-/**
+/*
  * struct vmw_surface_destroy - SVGA3D Surface Destroy command
  */
 struct vmw_surface_destroy {
···
  *
  * @res:            Pointer to a struct vmw_res embedded in a struct
  *                  vmw_surface.
+ * @readback:       Readback - only true if dirty
  * @val_buf:        Pointer to a struct ttm_validate_buffer containing
  *                  information about the backup buffer.
  *
···
 /**
  * vmw_surface_define_encode - Encode a surface_define command.
  *
- * @srf: Pointer to a struct vmw_surface object.
- * @cmd_space: Pointer to memory area in which the commands should be encoded.
+ * @res:        Pointer to a struct vmw_resource embedded in a struct
+ *              vmw_surface.
  */
 static int vmw_gb_surface_create(struct vmw_resource *res)
 {

drivers/gpu/drm/vmwgfx/vmwgfx_thp.c

···
 /**
  * struct vmw_thp_manager - Range manager implementing huge page alignment
  *
+ * @manager: TTM resource manager.
  * @mm: The underlying range manager. Protected by @lock.
  * @lock: Manager lock.
  */

drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c

···
  *
  * @viter: Pointer to the iterator to initialize
  * @vsgt: Pointer to a struct vmw_sg_table to initialize from
+ * @p_offset: Pointer offset used to update current array position
  *
  * Note that we're following the convention of __sg_page_iter_start, so that
  * the iterator doesn't point to a valid page after initialization; it has
···
 }
 
 
-static int vmw_ttm_bind(struct ttm_bo_device *bdev,
+static int vmw_ttm_bind(struct ttm_device *bdev,
 			struct ttm_tt *ttm, struct ttm_resource *bo_mem)
 {
 	struct vmw_ttm_tt *vmw_be =
···
 	return ret;
 }
 
-static void vmw_ttm_unbind(struct ttm_bo_device *bdev,
+static void vmw_ttm_unbind(struct ttm_device *bdev,
 			   struct ttm_tt *ttm)
 {
 	struct vmw_ttm_tt *vmw_be =
···
 }
 
 
-static void vmw_ttm_destroy(struct ttm_bo_device *bdev, struct ttm_tt *ttm)
+static void vmw_ttm_destroy(struct ttm_device *bdev, struct ttm_tt *ttm)
 {
 	struct vmw_ttm_tt *vmw_be =
 		container_of(ttm, struct vmw_ttm_tt, dma_ttm);
···
 }
 
 
-static int vmw_ttm_populate(struct ttm_bo_device *bdev,
+static int vmw_ttm_populate(struct ttm_device *bdev,
 			    struct ttm_tt *ttm, struct ttm_operation_ctx *ctx)
 {
+	unsigned int i;
+	int ret;
+
 	/* TODO: maybe completely drop this ? */
 	if (ttm_tt_is_populated(ttm))
 		return 0;
 
-	return ttm_pool_alloc(&bdev->pool, ttm, ctx);
+	ret = ttm_pool_alloc(&bdev->pool, ttm, ctx);
+	if (ret)
+		return ret;
+
+	for (i = 0; i < ttm->num_pages; ++i) {
+		ret = ttm_mem_global_alloc_page(&ttm_mem_glob, ttm->pages[i],
+						PAGE_SIZE, ctx);
+		if (ret)
+			goto error;
+	}
+	return 0;
+
+error:
+	while (i--)
+		ttm_mem_global_free_page(&ttm_mem_glob, ttm->pages[i],
+					 PAGE_SIZE);
+	ttm_pool_free(&bdev->pool, ttm);
+	return ret;
 }
 
-static void vmw_ttm_unpopulate(struct ttm_bo_device *bdev,
+static void vmw_ttm_unpopulate(struct ttm_device *bdev,
 			       struct ttm_tt *ttm)
 {
 	struct vmw_ttm_tt *vmw_tt = container_of(ttm, struct vmw_ttm_tt,
 						 dma_ttm);
+	unsigned int i;
 
 	if (vmw_tt->mob) {
 		vmw_mob_destroy(vmw_tt->mob);
···
 	}
 
 	vmw_ttm_unmap_dma(vmw_tt);
+
+	for (i = 0; i < ttm->num_pages; ++i)
+		ttm_mem_global_free_page(&ttm_mem_glob, ttm->pages[i],
+					 PAGE_SIZE);
+
 	ttm_pool_free(&bdev->pool, ttm);
 }
 
···
 	return vmw_user_bo_verify_access(bo, tfile);
 }
 
-static int vmw_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_resource *mem)
+static int vmw_ttm_io_mem_reserve(struct ttm_device *bdev, struct ttm_resource *mem)
 {
 	struct vmw_private *dev_priv = container_of(bdev, struct vmw_private, bdev);
 
···
  * vmw_move_notify - TTM move_notify_callback
  *
  * @bo: The TTM buffer object about to move.
+ * @evict: Unused
  * @mem: The struct ttm_resource indicating to what memory
  *       region the move is taking place.
  *
···
 	vmw_move_notify(bo, false, NULL);
 }
 
-struct ttm_bo_driver vmw_bo_driver = {
+struct ttm_device_funcs vmw_bo_driver = {
 	.ttm_tt_create = &vmw_ttm_tt_create,
 	.ttm_tt_populate = &vmw_ttm_populate,
 	.ttm_tt_unpopulate = &vmw_ttm_unpopulate,

drivers/gpu/drm/vmwgfx/vmwgfx_validation.c

···
 	u32 as_mob : 1;
 	u32 cpu_blit : 1;
 };
-
 /**
  * struct vmw_validation_res_node - Resource validation metadata.
  * @head: List head for the resource validation list.
···
  * @first_usage: True iff the resource has been seen only once in the current
  * validation batch.
  * @reserved: Whether the resource is currently reserved by this process.
+ * @dirty_set: Change dirty status of the resource.
+ * @dirty: Dirty information VMW_RES_DIRTY_XX.
  * @private: Optionally additional memory for caller-private data.
  *
  * Bit fields are used since these structures are allocated and freed in
···
  * vmw_validation_find_res_dup - Find a duplicate resource entry in the
  * validation context's lists.
  * @ctx: The validation context to search.
- * @vbo: The buffer object to search for.
+ * @res: Reference counted resource pointer.
  *
  * Return: Pointer to the struct vmw_validation_bo_node referencing the
  * duplicate, or NULL if none found.

drivers/gpu/drm/xen/Kconfig

···
 # SPDX-License-Identifier: GPL-2.0-only
 config DRM_XEN
-	bool "DRM Support for Xen guest OS"
-	depends on XEN
-	help
-	  Choose this option if you want to enable DRM support
-	  for Xen.
+	bool
 
 config DRM_XEN_FRONTEND
 	tristate "Para-virtualized frontend driver for Xen guest OS"
-	depends on DRM_XEN
-	depends on DRM
+	depends on XEN && DRM
+	select DRM_XEN
 	select DRM_KMS_HELPER
 	select VIDEOMODE_HELPERS
 	select XEN_XENBUS_FRONTEND

drivers/gpu/drm/xen/xen_drm_front_kms.c

···
 #include <drm/drm_drv.h>
 #include <drm/drm_fourcc.h>
 #include <drm/drm_gem.h>
+#include <drm/drm_gem_atomic_helper.h>
 #include <drm/drm_gem_framebuffer_helper.h>
 #include <drm/drm_probe_helper.h>
 #include <drm/drm_vblank.h>
···
 	.mode_valid = display_mode_valid,
 	.enable = display_enable,
 	.disable = display_disable,
-	.prepare_fb = drm_gem_fb_simple_display_pipe_prepare_fb,
+	.prepare_fb = drm_gem_simple_display_pipe_prepare_fb,
 	.check = display_check,
 	.update = display_update,
 };

drivers/gpu/drm/xlnx/zynqmp_disp.c

···
 
 static int
 zynqmp_disp_plane_atomic_check(struct drm_plane *plane,
-			       struct drm_plane_state *state)
+			       struct drm_atomic_state *state)
 {
+	struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
+										 plane);
 	struct drm_crtc_state *crtc_state;
 
-	if (!state->crtc)
+	if (!new_plane_state->crtc)
 		return 0;
 
-	crtc_state = drm_atomic_get_crtc_state(state->state, state->crtc);
+	crtc_state = drm_atomic_get_crtc_state(state, new_plane_state->crtc);
 	if (IS_ERR(crtc_state))
 		return PTR_ERR(crtc_state);
 
-	return drm_atomic_helper_check_plane_state(state, crtc_state,
+	return drm_atomic_helper_check_plane_state(new_plane_state,
+						   crtc_state,
 						   DRM_PLANE_HELPER_NO_SCALING,
 						   DRM_PLANE_HELPER_NO_SCALING,
 						   false, false);
···
 
 static void
 zynqmp_disp_plane_atomic_disable(struct drm_plane *plane,
-				 struct drm_plane_state *old_state)
+				 struct drm_atomic_state *state)
 {
+	struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state,
+									   plane);
 	struct zynqmp_disp_layer *layer = plane_to_layer(plane);
 
 	if (!old_state->fb)
···
 
 static void
 zynqmp_disp_plane_atomic_update(struct drm_plane *plane,
-				struct drm_plane_state *old_state)
+				struct drm_atomic_state *state)
 {
+	struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state, plane);
+	struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state, plane);
 	struct zynqmp_disp_layer *layer = plane_to_layer(plane);
 	bool format_changed = false;
 
 	if (!old_state->fb ||
-	    old_state->fb->format->format != plane->state->fb->format->format)
+	    old_state->fb->format->format != new_state->fb->format->format)
 		format_changed = true;
 
 	/*
···
 		if (old_state->fb)
 			zynqmp_disp_layer_disable(layer);
 
-		zynqmp_disp_layer_set_format(layer, plane->state);
+		zynqmp_disp_layer_set_format(layer, new_state);
 	}
 
-	zynqmp_disp_layer_update(layer, plane->state);
+	zynqmp_disp_layer_update(layer, new_state);
 
 	/* Enable or re-enable the plane is the format has changed. */
 	if (format_changed)
···
 zynqmp_disp_crtc_atomic_disable(struct drm_crtc *crtc,
 				struct drm_atomic_state *state)
 {
-	struct drm_crtc_state *old_crtc_state = drm_atomic_get_old_crtc_state(state,
-									      crtc);
 	struct zynqmp_disp *disp = crtc_to_disp(crtc);
 	struct drm_plane_state *old_plane_state;
 
···
 	 * .shutdown() path if the plane is already disabled, skip
 	 * zynqmp_disp_plane_atomic_disable() in that case.
 	 */
-	old_plane_state = drm_atomic_get_old_plane_state(old_crtc_state->state,
-							 crtc->primary);
+	old_plane_state = drm_atomic_get_old_plane_state(state, crtc->primary);
 	if (old_plane_state)
-		zynqmp_disp_plane_atomic_disable(crtc->primary, old_plane_state);
+		zynqmp_disp_plane_atomic_disable(crtc->primary, state);
 
 	zynqmp_disp_disable(disp);
 

drivers/gpu/drm/zte/zx_plane.c

···
 #define FRAC_16_16(mult, div)    (((mult) << 16) / (div))
 
 static int zx_vl_plane_atomic_check(struct drm_plane *plane,
-				    struct drm_plane_state *plane_state)
+				    struct drm_atomic_state *state)
 {
+	struct drm_plane_state *plane_state = drm_atomic_get_new_plane_state(state,
+									     plane);
 	struct drm_framebuffer *fb = plane_state->fb;
 	struct drm_crtc *crtc = plane_state->crtc;
 	struct drm_crtc_state *crtc_state;
···
 	if (!crtc || WARN_ON(!fb))
 		return 0;
 
-	crtc_state = drm_atomic_get_existing_crtc_state(plane_state->state,
+	crtc_state = drm_atomic_get_existing_crtc_state(state,
 							crtc);
 	if (WARN_ON(!crtc_state))
 		return -EINVAL;
···
 }
 
 static void zx_vl_plane_atomic_update(struct drm_plane *plane,
-				      struct drm_plane_state *old_state)
+				      struct drm_atomic_state *state)
 {
 	struct zx_plane *zplane = to_zx_plane(plane);
-	struct drm_plane_state *state = plane->state;
-	struct drm_framebuffer *fb = state->fb;
-	struct drm_rect *src = &state->src;
-	struct drm_rect *dst = &state->dst;
+	struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
+									   plane);
+	struct drm_framebuffer *fb = new_state->fb;
+	struct drm_rect *src = &new_state->src;
+	struct drm_rect *dst = &new_state->dst;
 	struct drm_gem_cma_object *cma_obj;
 	void __iomem *layer = zplane->layer;
 	void __iomem *hbsc = zplane->hbsc;
···
 }
 
 static void zx_plane_atomic_disable(struct drm_plane *plane,
-				    struct drm_plane_state *old_state)
+				    struct drm_atomic_state *state)
 {
+	struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state,
+									   plane);
 	struct zx_plane *zplane = to_zx_plane(plane);
 	void __iomem *hbsc = zplane->hbsc;
 
···
 };
 
 static int zx_gl_plane_atomic_check(struct drm_plane *plane,
-				    struct drm_plane_state *plane_state)
+				    struct drm_atomic_state *state)
 {
+	struct drm_plane_state *plane_state = drm_atomic_get_new_plane_state(state,
+									     plane);
 	struct drm_framebuffer *fb = plane_state->fb;
 	struct drm_crtc *crtc = plane_state->crtc;
 	struct drm_crtc_state *crtc_state;
···
 	if (!crtc || WARN_ON(!fb))
 		return 0;
 
-	crtc_state = drm_atomic_get_existing_crtc_state(plane_state->state,
+	crtc_state = drm_atomic_get_existing_crtc_state(state,
 							crtc);
 	if (WARN_ON(!crtc_state))
 		return -EINVAL;
···
 }
 
 static void zx_gl_plane_atomic_update(struct drm_plane *plane,
-				      struct drm_plane_state *old_state)
+				      struct drm_atomic_state *state)
 {
+	struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
+									   plane);
 	struct zx_plane *zplane = to_zx_plane(plane);
-	struct drm_framebuffer *fb = plane->state->fb;
+	struct drm_framebuffer *fb = new_state->fb;
 	struct drm_gem_cma_object *cma_obj;
 	void __iomem *layer = zplane->layer;
 	void __iomem *csc = zplane->csc;
···
 	format = fb->format->format;
 	stride = fb->pitches[0];
 
-	src_x = plane->state->src_x >> 16;
-	src_y = plane->state->src_y >> 16;
-	src_w = plane->state->src_w >> 16;
-	src_h = plane->state->src_h >> 16;
+	src_x = new_state->src_x >> 16;
+	src_y = new_state->src_y >> 16;
+	src_w = new_state->src_w >> 16;
+	src_h = new_state->src_h >> 16;
 
-	dst_x = plane->state->crtc_x;
-	dst_y = plane->state->crtc_y;
-	dst_w = plane->state->crtc_w;
-	dst_h = plane->state->crtc_h;
+	dst_x = new_state->crtc_x;
+	dst_y = new_state->crtc_y;
+	dst_w = new_state->crtc_w;
+	dst_h = new_state->crtc_h;
 
 	bpp = fb->format->cpp[0];
 

drivers/media/v4l2-core/v4l2-ioctl.c

···
 {
 	const struct v4l2_fmtdesc *p = arg;
 
-	pr_cont("index=%u, type=%s, flags=0x%x, pixelformat=%c%c%c%c, mbus_code=0x%04x, description='%.*s'\n",
+	pr_cont("index=%u, type=%s, flags=0x%x, pixelformat=%p4cc, mbus_code=0x%04x, description='%.*s'\n",
 		p->index, prt_names(p->type, v4l2_type_names),
-		p->flags, (p->pixelformat & 0xff),
-		(p->pixelformat >>  8) & 0xff,
-		(p->pixelformat >> 16) & 0xff,
-		(p->pixelformat >> 24) & 0xff,
-		p->mbus_code,
+		p->flags, &p->pixelformat, p->mbus_code,
 		(int)sizeof(p->description), p->description);
 }
 
···
 	case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 	case V4L2_BUF_TYPE_VIDEO_OUTPUT:
 		pix = &p->fmt.pix;
-		pr_cont(", width=%u, height=%u, pixelformat=%c%c%c%c, field=%s, bytesperline=%u, sizeimage=%u, colorspace=%d, flags=0x%x, ycbcr_enc=%u, quantization=%u, xfer_func=%u\n",
-			pix->width, pix->height,
-			(pix->pixelformat & 0xff),
-			(pix->pixelformat >>  8) & 0xff,
-			(pix->pixelformat >> 16) & 0xff,
-			(pix->pixelformat >> 24) & 0xff,
+		pr_cont(", width=%u, height=%u, pixelformat=%p4cc, field=%s, bytesperline=%u, sizeimage=%u, colorspace=%d, flags=0x%x, ycbcr_enc=%u, quantization=%u, xfer_func=%u\n",
+			pix->width, pix->height, &pix->pixelformat,
 			prt_names(pix->field, v4l2_field_names),
 			pix->bytesperline, pix->sizeimage,
 			pix->colorspace, pix->flags, pix->ycbcr_enc,
···
 	case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
 	case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
 		mp = &p->fmt.pix_mp;
-		pr_cont(", width=%u, height=%u, format=%c%c%c%c, field=%s, colorspace=%d, num_planes=%u, flags=0x%x, ycbcr_enc=%u, quantization=%u, xfer_func=%u\n",
-			mp->width, mp->height,
-			(mp->pixelformat & 0xff),
-			(mp->pixelformat >>  8) & 0xff,
-			(mp->pixelformat >> 16) & 0xff,
-			(mp->pixelformat >> 24) & 0xff,
+		pr_cont(", width=%u, height=%u, format=%p4cc, field=%s, colorspace=%d, num_planes=%u, flags=0x%x, ycbcr_enc=%u, quantization=%u, xfer_func=%u\n",
+			mp->width, mp->height, &mp->pixelformat,
 			prt_names(mp->field, v4l2_field_names),
 			mp->colorspace, mp->num_planes, mp->flags,
 			mp->ycbcr_enc, mp->quantization, mp->xfer_func);
···
 	case V4L2_BUF_TYPE_VBI_CAPTURE:
 	case V4L2_BUF_TYPE_VBI_OUTPUT:
 		vbi = &p->fmt.vbi;
-		pr_cont(", sampling_rate=%u, offset=%u, samples_per_line=%u, sample_format=%c%c%c%c, start=%u,%u, count=%u,%u\n",
+		pr_cont(", sampling_rate=%u, offset=%u, samples_per_line=%u, sample_format=%p4cc, start=%u,%u, count=%u,%u\n",
 			vbi->sampling_rate, vbi->offset,
-			vbi->samples_per_line,
-			(vbi->sample_format & 0xff),
-			(vbi->sample_format >>  8) & 0xff,
-			(vbi->sample_format >> 16) & 0xff,
-			(vbi->sample_format >> 24) & 0xff,
+			vbi->samples_per_line, &vbi->sample_format,
 			vbi->start[0], vbi->start[1],
 			vbi->count[0], vbi->count[1]);
 		break;
···
 	case V4L2_BUF_TYPE_SDR_CAPTURE:
 	case V4L2_BUF_TYPE_SDR_OUTPUT:
 		sdr = &p->fmt.sdr;
-		pr_cont(", pixelformat=%c%c%c%c\n",
-			(sdr->pixelformat >>  0) & 0xff,
-			(sdr->pixelformat >>  8) & 0xff,
-			(sdr->pixelformat >> 16) & 0xff,
-			(sdr->pixelformat >> 24) & 0xff);
+		pr_cont(", pixelformat=%p4cc\n", &sdr->pixelformat);
 		break;
 	case V4L2_BUF_TYPE_META_CAPTURE:
 	case V4L2_BUF_TYPE_META_OUTPUT:
 		meta = &p->fmt.meta;
-		pr_cont(", dataformat=%c%c%c%c, buffersize=%u\n",
-			(meta->dataformat >>  0) & 0xff,
-			(meta->dataformat >>  8) & 0xff,
-			(meta->dataformat >> 16) & 0xff,
-			(meta->dataformat >> 24) & 0xff,
-			meta->buffersize);
+		pr_cont(", dataformat=%p4cc, buffersize=%u\n",
+			&meta->dataformat, meta->buffersize);
 		break;
 	}
 }
···
 {
 	const struct v4l2_framebuffer *p = arg;
 
-	pr_cont("capability=0x%x, flags=0x%x, base=0x%p, width=%u, height=%u, pixelformat=%c%c%c%c, bytesperline=%u, sizeimage=%u, colorspace=%d\n",
-			p->capability, p->flags, p->base,
-			p->fmt.width, p->fmt.height,
-			(p->fmt.pixelformat & 0xff),
-			(p->fmt.pixelformat >>  8) & 0xff,
-			(p->fmt.pixelformat >> 16) & 0xff,
-			(p->fmt.pixelformat >> 24) & 0xff,
-			p->fmt.bytesperline, p->fmt.sizeimage,
-			p->fmt.colorspace);
+	pr_cont("capability=0x%x, flags=0x%x, base=0x%p, width=%u, height=%u, pixelformat=%p4cc, bytesperline=%u, sizeimage=%u, colorspace=%d\n",
+		p->capability, p->flags, p->base, p->fmt.width, p->fmt.height,
+		&p->fmt.pixelformat, p->fmt.bytesperline, p->fmt.sizeimage,
+		p->fmt.colorspace);
 }
 
 static void v4l_print_buftype(const void *arg, bool write_only)
···
 {
 	const struct v4l2_frmsizeenum *p = arg;
 
-	pr_cont("index=%u, pixelformat=%c%c%c%c, type=%u",
-			p->index,
-			(p->pixel_format & 0xff),
-			(p->pixel_format >>  8) & 0xff,
-			(p->pixel_format >> 16) & 0xff,
-			(p->pixel_format >> 24) & 0xff,
-			p->type);
+	pr_cont("index=%u, pixelformat=%p4cc, type=%u",
+		p->index, &p->pixel_format, p->type);
 	switch (p->type) {
 	case V4L2_FRMSIZE_TYPE_DISCRETE:
 		pr_cont(", wxh=%ux%u\n",
···
 {
 	const struct v4l2_frmivalenum *p = arg;
 
-	pr_cont("index=%u, pixelformat=%c%c%c%c, wxh=%ux%u, type=%u",
-			p->index,
-			(p->pixel_format & 0xff),
-			(p->pixel_format >>  8) & 0xff,
-			(p->pixel_format >> 16) & 0xff,
-			(p->pixel_format >> 24) & 0xff,
-			p->width, p->height, p->type);
+	pr_cont("index=%u, pixelformat=%p4cc, wxh=%ux%u, type=%u",
+		p->index, &p->pixel_format, p->width, p->height, p->type);
 	switch (p->type) {
 	case V4L2_FRMIVAL_TYPE_DISCRETE:
 		pr_cont(", fps=%d/%d\n",
···
 				return;
 			WARN(1, "Unknown pixelformat 0x%08x\n", fmt->pixelformat);
 			flags = 0;
-			snprintf(fmt->description, sz, "%c%c%c%c%s",
-					(char)(fmt->pixelformat & 0x7f),
-					(char)((fmt->pixelformat >> 8) & 0x7f),
-					(char)((fmt->pixelformat >> 16) & 0x7f),
-					(char)((fmt->pixelformat >> 24) & 0x7f),
-					(fmt->pixelformat & (1UL << 31)) ? "-BE" : "");
+			snprintf(fmt->description, sz, "%p4cc",
+				 &fmt->pixelformat);
 			break;
 		}
 	}

drivers/video/fbdev/amba-clcd.c

···
 /* This is limited to 16 characters when displayed by X startup */
 static const char *clcd_name = "CLCD FB";
 
-/*
- * Unfortunately, the enable/disable functions may be called either from
- * process or IRQ context, and we _need_ to delay.  This is _not_ good.
- */
-static inline void clcdfb_sleep(unsigned int ms)
-{
-	if (in_atomic()) {
-		mdelay(ms);
-	} else {
-		msleep(ms);
-	}
-}
-
 static inline void clcdfb_set_start(struct clcd_fb *fb)
 {
 	unsigned long ustart = fb->fb.fix.smem_start;
···
 		val &= ~CNTL_LCDPWR;
 		writel(val, fb->regs + fb->off_cntl);
 
-		clcdfb_sleep(20);
+		msleep(20);
 	}
 	if (val & CNTL_LCDEN) {
 		val &= ~CNTL_LCDEN;
···
 	cntl |= CNTL_LCDEN;
 	writel(cntl, fb->regs + fb->off_cntl);
 
-	clcdfb_sleep(20);
+	msleep(20);
 
 	/*
 	 * and now apply power.

drivers/video/fbdev/efifb.c

···
 #include <linux/platform_device.h>
 #include <linux/printk.h>
 #include <linux/screen_info.h>
+#include <linux/pm_runtime.h>
 #include <video/vga.h>
 #include <asm/efi.h>
 #include <drm/drm_utils.h> /* For drm_get_panel_orientation_quirk */
···
 		goto err_fb_dealoc;
 	}
 	fb_info(info, "%s frame buffer device\n", info->fix.id);
+	pm_runtime_get_sync(&efifb_pci_dev->dev);
 	return 0;
 
 err_fb_dealoc:
···
 	unregister_framebuffer(info);
 	sysfs_remove_groups(&pdev->dev.kobj, efifb_groups);
 	framebuffer_release(info);
+	pm_runtime_put(&efifb_pci_dev->dev);
 
 	return 0;
 }

drivers/video/fbdev/omap/hwa742.c

···
 	struct hwa742_request	req_pool[REQ_POOL_SIZE];
 	struct list_head	pending_req_list;
 	struct list_head	free_req_list;
+
+	/*
+	 * @req_lock: protect request slots pool and its tracking lists
+	 * @req_sema: counter; slot allocators from task contexts must
+	 *            push it down before acquiring a slot. This
+	 *            guarantees that atomic contexts will always have
+	 *            a minimum of IRQ_REQ_POOL_SIZE slots available.
+	 */
 	struct semaphore	req_sema;
 	spinlock_t		req_lock;
 
···
 	hwa742_write_reg(HWA742_NDP_CTRL, b);
 }
 
-static inline struct hwa742_request *alloc_req(void)
+static inline struct hwa742_request *alloc_req(bool can_sleep)
 {
 	unsigned long flags;
 	struct hwa742_request *req;
 	int req_flags = 0;
 
-	if (!in_interrupt())
+	if (can_sleep)
 		down(&hwa742.req_sema);
 	else
 		req_flags = REQ_FROM_IRQ_POOL;
···
 	hwa742.int_ctrl->enable_plane(OMAPFB_PLANE_GFX, 0);
 }
 
-#define ADD_PREQ(_x, _y, _w, _h) do {		\
-	req = alloc_req();			\
+#define ADD_PREQ(_x, _y, _w, _h, can_sleep) do {\
+	req = alloc_req(can_sleep);		\
 	req->handler	= send_frame_handler;	\
 	req->complete	= send_frame_complete;	\
 	req->par.update.x = _x;			\
···
 } while(0)
 
 static void create_req_list(struct omapfb_update_window *win,
-			    struct list_head *req_head)
+			    struct list_head *req_head,
+			    bool can_sleep)
 {
 	struct hwa742_request *req;
 	int x = win->x;
···
 	color_mode = win->format & OMAPFB_FORMAT_MASK;
 
 	if (x & 1) {
-		ADD_PREQ(x, y, 1, height);
+		ADD_PREQ(x, y, 1, height, can_sleep);
 		width--;
 		x++;
 		flags &= ~OMAPFB_FORMAT_FLAG_TEARSYNC;
···
 
 		if (xspan * height * 2 > hwa742.max_transmit_size) {
 			yspan = hwa742.max_transmit_size / (xspan * 2);
-			ADD_PREQ(x, ystart, xspan, yspan);
+			ADD_PREQ(x, ystart, xspan, yspan, can_sleep);
 			ystart += yspan;
 			yspan = height - yspan;
 			flags &= ~OMAPFB_FORMAT_FLAG_TEARSYNC;
 		}
 
-		ADD_PREQ(x, ystart, xspan, yspan);
+		ADD_PREQ(x, ystart, xspan, yspan, can_sleep);
 		x += xspan;
 		width -= xspan;
 		flags &= ~OMAPFB_FORMAT_FLAG_TEARSYNC;
 	}
 	if (width)
-		ADD_PREQ(x, y, 1, height);
+		ADD_PREQ(x, y, 1, height, can_sleep);
 }
 
 static void auto_update_complete(void *data)
···
 			  jiffies + HWA742_AUTO_UPDATE_TIME);
 }
 
-static void hwa742_update_window_auto(struct timer_list *unused)
+static void __hwa742_update_window_auto(bool can_sleep)
 {
 	LIST_HEAD(req_list);
 	struct hwa742_request *last;
 
-	create_req_list(&hwa742.auto_update_window, &req_list);
+	create_req_list(&hwa742.auto_update_window, &req_list, can_sleep);
 	last = list_entry(req_list.prev, struct hwa742_request, entry);
 
 	last->complete = auto_update_complete;
 	last->complete_data = NULL;
 
 	submit_req_list(&req_list);
+}
+
+static void hwa742_update_window_auto(struct timer_list *unused)
+{
+	__hwa742_update_window_auto(false);
 }
 
 int hwa742_update_window_async(struct fb_info *fbi,
···
 		goto out;
 	}
 
-	create_req_list(win, &req_list);
+	create_req_list(win, &req_list, true);
 	last = list_entry(req_list.prev, struct hwa742_request, entry);
 
 	last->complete = complete_callback;
···
 	struct hwa742_request *req;
 	struct completion comp;
 
-	req = alloc_req();
+	req = alloc_req(true);
 
 	req->handler = sync_handler;
 	req->complete = NULL;
···
 		omapfb_notify_clients(hwa742.fbdev, OMAPFB_EVENT_READY);
 		break;
 	case OMAPFB_AUTO_UPDATE:
-		hwa742_update_window_auto(0);
+		__hwa742_update_window_auto(true);
 		break;
 	case OMAPFB_UPDATE_DISABLED:
 		break;

drivers/video/fbdev/omap2/omapfb/dss/dsi.c

···
 
 	WARN_ON(!dsi_bus_is_locked(dsidev));
 
-	WARN_ON(in_interrupt());
-
 	if (!dsi_vc_is_enabled(dsidev, channel))
 		return 0;
 

drivers/video/fbdev/simplefb.c

···
 	simplefb_clocks_enable(par, pdev);
 	simplefb_regulators_enable(par, pdev);
 
-	dev_info(&pdev->dev, "framebuffer at 0x%lx, 0x%x bytes, mapped to 0x%p\n",
-			     info->fix.smem_start, info->fix.smem_len,
-			     info->screen_base);
+	dev_info(&pdev->dev, "framebuffer at 0x%lx, 0x%x bytes\n",
+			     info->fix.smem_start, info->fix.smem_len);
 	dev_info(&pdev->dev, "format=%s, mode=%dx%dx%d, linelength=%d\n",
 			     params.format->name,
 			     info->var.xres, info->var.yres,

include/drm/drm_atomic.h

···
  *
  * For an implementation of how to use this look at
  * drm_atomic_helper_setup_commit() from the atomic helper library.
+ *
+ * See also drm_crtc_commit_wait().
  */
 struct drm_crtc_commit {
 	/**
···
 {
 	kref_put(&commit->ref, __drm_crtc_commit_free);
 }
+
+int drm_crtc_commit_wait(struct drm_crtc_commit *commit);
 
 struct drm_atomic_state * __must_check
 drm_atomic_state_alloc(struct drm_device *dev);

include/drm/drm_gem_atomic_helper.h

···
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#ifndef __DRM_GEM_ATOMIC_HELPER_H__
+#define __DRM_GEM_ATOMIC_HELPER_H__
+
+#include <linux/dma-buf-map.h>
+
+#include <drm/drm_plane.h>
+
+struct drm_simple_display_pipe;
+
+/*
+ * Plane Helpers
+ */
+
+int drm_gem_plane_helper_prepare_fb(struct drm_plane *plane, struct drm_plane_state *state);
+int drm_gem_simple_display_pipe_prepare_fb(struct drm_simple_display_pipe *pipe,
+					   struct drm_plane_state *plane_state);
+
+/*
+ * Helpers for planes with shadow buffers
+ */
+
+/**
+ * struct drm_shadow_plane_state - plane state for planes with shadow buffers
+ *
+ * For planes that use a shadow buffer, struct drm_shadow_plane_state
+ * provides the regular plane state plus mappings of the shadow buffer
+ * into kernel address space.
+ */
+struct drm_shadow_plane_state {
+	/** @base: plane state */
+	struct drm_plane_state base;
+
+	/* Transitional state - do not export or duplicate */
+
+	/**
+	 * @map: Mappings of the plane's framebuffer BOs in to kernel address space
+	 *
+	 * The memory mappings stored in map should be established in the plane's
+	 * prepare_fb callback and removed in the cleanup_fb callback.
+	 */
+	struct dma_buf_map map[4];
+};
+
+/**
+ * to_drm_shadow_plane_state - upcasts from struct drm_plane_state
+ * @state: the plane state
+ */
+static inline struct drm_shadow_plane_state *
+to_drm_shadow_plane_state(struct drm_plane_state *state)
+{
+	return container_of(state, struct drm_shadow_plane_state, base);
+}
+
+void drm_gem_reset_shadow_plane(struct drm_plane *plane);
+struct drm_plane_state *drm_gem_duplicate_shadow_plane_state(struct drm_plane *plane);
+void drm_gem_destroy_shadow_plane_state(struct drm_plane *plane,
+					struct drm_plane_state *plane_state);
+
+/**
+ * DRM_GEM_SHADOW_PLANE_FUNCS -
+ *	Initializes struct drm_plane_funcs for shadow-buffered planes
+ *
+ * Drivers may use GEM BOs as shadow buffers over the framebuffer memory. This
+ * macro initializes struct drm_plane_funcs to use the rsp helper functions.
+ */
+#define DRM_GEM_SHADOW_PLANE_FUNCS \
+	.reset = drm_gem_reset_shadow_plane, \
+	.atomic_duplicate_state = drm_gem_duplicate_shadow_plane_state, \
+	.atomic_destroy_state = drm_gem_destroy_shadow_plane_state
+
+int drm_gem_prepare_shadow_fb(struct drm_plane *plane, struct drm_plane_state *plane_state);
+void drm_gem_cleanup_shadow_fb(struct drm_plane *plane, struct drm_plane_state *plane_state);
+
+/**
+ * DRM_GEM_SHADOW_PLANE_HELPER_FUNCS -
+ *	Initializes struct drm_plane_helper_funcs for shadow-buffered planes
+ *
+ * Drivers may use GEM BOs as shadow buffers over the framebuffer memory. This
+ * macro initializes struct drm_plane_helper_funcs to use the rsp helper
+ * functions.
+ */
+#define DRM_GEM_SHADOW_PLANE_HELPER_FUNCS \
+	.prepare_fb = drm_gem_prepare_shadow_fb, \
+	.cleanup_fb = drm_gem_cleanup_shadow_fb
+
+int drm_gem_simple_kms_prepare_shadow_fb(struct drm_simple_display_pipe *pipe,
+					 struct drm_plane_state *plane_state);
+void drm_gem_simple_kms_cleanup_shadow_fb(struct drm_simple_display_pipe *pipe,
+					  struct drm_plane_state *plane_state);
+void drm_gem_simple_kms_reset_shadow_plane(struct drm_simple_display_pipe *pipe);
+struct drm_plane_state *
+drm_gem_simple_kms_duplicate_shadow_plane_state(struct drm_simple_display_pipe *pipe);
+void drm_gem_simple_kms_destroy_shadow_plane_state(struct drm_simple_display_pipe *pipe,
+						   struct drm_plane_state *plane_state);
+
+/**
+ * DRM_GEM_SIMPLE_DISPLAY_PIPE_SHADOW_PLANE_FUNCS -
+ *	Initializes struct drm_simple_display_pipe_funcs for shadow-buffered planes
+ *
+ * Drivers may use GEM BOs as shadow buffers over the framebuffer memory. This
+ * macro initializes struct drm_simple_display_pipe_funcs to use the rsp helper
+ * functions.
+ */
+#define DRM_GEM_SIMPLE_DISPLAY_PIPE_SHADOW_PLANE_FUNCS \
+	.prepare_fb = drm_gem_simple_kms_prepare_shadow_fb, \
+	.cleanup_fb = drm_gem_simple_kms_cleanup_shadow_fb, \
+	.reset_plane = drm_gem_simple_kms_reset_shadow_plane, \
+	.duplicate_plane_state = drm_gem_simple_kms_duplicate_shadow_plane_state, \
+	.destroy_plane_state = drm_gem_simple_kms_destroy_shadow_plane_state
+
+#endif /* __DRM_GEM_ATOMIC_HELPER_H__ */

include/drm/drm_gem_framebuffer_helper.h

···
 struct drm_framebuffer_funcs;
 struct drm_gem_object;
 struct drm_mode_fb_cmd2;
-struct drm_plane;
-struct drm_plane_state;
-struct drm_simple_display_pipe;
 
 #define AFBC_VENDOR_AND_TYPE_MASK	GENMASK_ULL(63, 52)
 
···
 			 const struct drm_mode_fb_cmd2 *mode_cmd,
 			 struct drm_afbc_framebuffer *afbc_fb);
 
-int drm_gem_fb_prepare_fb(struct drm_plane *plane,
-			  struct drm_plane_state *state);
-int drm_gem_fb_simple_display_pipe_prepare_fb(struct drm_simple_display_pipe *pipe,
-					      struct drm_plane_state *plane_state);
 #endif

include/drm/drm_gem_vram_helper.h

···
 	uint64_t vram_base;
 	size_t vram_size;
 
-	struct ttm_bo_device bdev;
+	struct ttm_device bdev;
 };
 
 /**
  * drm_vram_mm_of_bdev() - \
-	Returns the container of type &struct ttm_bo_device for field bdev.
+	Returns the container of type &struct ttm_device for field bdev.
  * @bdev:	the TTM BO device
  *
  * Returns:
  * The containing instance of &struct drm_vram_mm
  */
 static inline struct drm_vram_mm *drm_vram_mm_of_bdev(
-	struct ttm_bo_device *bdev)
+	struct ttm_device *bdev)
 {
 	return container_of(bdev, struct drm_vram_mm, bdev);
 }

include/drm/drm_modeset_helper_vtables.h

···
 	 * members in the plane structure.
 	 *
 	 * Drivers which always have their buffers pinned should use
-	 * drm_gem_fb_prepare_fb() for this hook.
+	 * drm_gem_plane_helper_prepare_fb() for this hook.
 	 *
 	 * The helpers will call @cleanup_fb with matching arguments for every
 	 * successful call to this hook.
···
 	 * NOTE:
 	 *
 	 * This function is called in the check phase of an atomic update. The
-	 * driver is not allowed to change anything outside of the free-standing
-	 * state objects passed-in or assembled in the overall &drm_atomic_state
-	 * update tracking structure.
+	 * driver is not allowed to change anything outside of the
+	 * &drm_atomic_state update tracking structure.
 	 *
 	 * RETURNS:
 	 *
···
 	 * deadlock.
 	 */
 	int (*atomic_check)(struct drm_plane *plane,
-			    struct drm_plane_state *state);
+			    struct drm_atomic_state *state);
 
 	/**
 	 * @atomic_update:
···
 	 * transitional plane helpers, but it is optional.
 	 */
 	void (*atomic_update)(struct drm_plane *plane,
-			      struct drm_plane_state *old_state);
+			      struct drm_atomic_state *state);
 	/**
 	 * @atomic_disable:
 	 *
···
 	 * transitional plane helpers, but it is optional.
 	 */
 	void (*atomic_disable)(struct drm_plane *plane,
-			       struct drm_plane_state *old_state);
+			       struct drm_atomic_state *state);
 
 	/**
 	 * @atomic_async_check:
 	 *
-	 * Drivers should set this function pointer to check if the plane state
-	 * can be updated in a async fashion. Here async means "not vblank
-	 * synchronized".
+	 * Drivers should set this function pointer to check if the plane's
+	 * atomic state can be updated in a async fashion. Here async means
+	 * "not vblank synchronized".
 	 *
 	 * This hook is called by drm_atomic_async_check() to establish if a
 	 * given update can be committed asynchronously, that is, if it can
···
 	 * can not be applied in asynchronous manner.
 	 */
 	int (*atomic_async_check)(struct drm_plane *plane,
-				  struct drm_plane_state *state);
+				  struct drm_atomic_state *state);
 
 	/**
 	 * @atomic_async_update:
···
 	 * update won't happen if there is an outstanding commit modifying
 	 * the same plane.
 	 *
-	 * Note that unlike &drm_plane_helper_funcs.atomic_update this hook
-	 * takes the new &drm_plane_state as parameter. When doing async_update
-	 * drivers shouldn't replace the &drm_plane_state but update the
-	 * current one with the new plane configurations in the new
-	 * plane_state.
+	 * When doing async_update drivers shouldn't replace the
+	 * &drm_plane_state but update the current one with the new plane
+	 * configurations in the new plane_state.
 	 *
 	 * Drivers should also swap the framebuffers between current plane
 	 * state (&drm_plane.state) and new_state.
···
 	 *    for deferring if needed, until a common solution is created.
 	 */
 	void (*atomic_async_update)(struct drm_plane *plane,
-				    struct drm_plane_state *new_state);
+				    struct drm_atomic_state *state);
 };
 
 /**

include/drm/drm_plane.h

···
 	 * preserved.
 	 *
 	 * Drivers should store any implicit fence in this from their
-	 * &drm_plane_helper_funcs.prepare_fb callback. See drm_gem_fb_prepare_fb()
-	 * and drm_gem_fb_simple_display_pipe_prepare_fb() for suitable helpers.
+	 * &drm_plane_helper_funcs.prepare_fb callback. See drm_gem_plane_helper_prepare_fb()
+	 * and drm_gem_simple_display_pipe_prepare_fb() for suitable helpers.
 	 */
 	struct dma_fence *fence;
 
···
  *
  * For compatibility with legacy userspace, only overlay planes are made
  * available to userspace by default. Userspace clients may set the
- * DRM_CLIENT_CAP_UNIVERSAL_PLANES client capability bit to indicate that they
+ * &DRM_CLIENT_CAP_UNIVERSAL_PLANES client capability bit to indicate that they
  * wish to receive a universal plane list containing all plane types. See also
  * drm_for_each_legacy_plane().
+ *
+ * In addition to setting each plane's type, drivers need to setup the
+ * &drm_crtc.primary and optionally &drm_crtc.cursor pointers for legacy
+ * IOCTLs. See drm_crtc_init_with_planes().
  *
  * WARNING: The values of this enum is UABI since they're exposed in the "type"
  * property.
···
 	/**
 	 * @DRM_PLANE_TYPE_PRIMARY:
 	 *
-	 * Primary planes represent a "main" plane for a CRTC.  Primary planes
-	 * are the planes operated upon by CRTC modesetting and flipping
-	 * operations described in the &drm_crtc_funcs.page_flip and
-	 * &drm_crtc_funcs.set_config hooks.
+	 * A primary plane attached to a CRTC is the most likely to be able to
+	 * light up the CRTC when no scaling/cropping is used and the plane
+	 * covers the whole CRTC.
 	 */
 	DRM_PLANE_TYPE_PRIMARY,
 
 	/**
 	 * @DRM_PLANE_TYPE_CURSOR:
 	 *
-	 * Cursor planes represent a "cursor" plane for a CRTC.  Cursor planes
-	 * are the planes operated upon by the DRM_IOCTL_MODE_CURSOR and
-	 * DRM_IOCTL_MODE_CURSOR2 IOCTLs.
+	 * A cursor plane attached to a CRTC is more likely to be able to be
+	 * enabled when no scaling/cropping is used and the framebuffer has the
+	 * size indicated by &drm_mode_config.cursor_width and
+	 * &drm_mode_config.cursor_height. Additionally, if the driver doesn't
+	 * support modifiers, the framebuffer should have a linear layout.
 	 */
 	DRM_PLANE_TYPE_CURSOR,
 };

include/drm/drm_simple_kms_helper.h

···
 	 * more details.
 	 *
 	 * Drivers which always have their buffers pinned should use
-	 * drm_gem_fb_simple_display_pipe_prepare_fb() for this hook.
+	 * drm_gem_simple_display_pipe_prepare_fb() for this hook.
 	 */
 	int (*prepare_fb)(struct drm_simple_display_pipe *pipe,
 			  struct drm_plane_state *plane_state);
···
 	 * more details.
 	 */
 	void (*disable_vblank)(struct drm_simple_display_pipe *pipe);
+
+	/**
+	 * @reset_plane:
+	 *
+	 * Optional, called by &drm_plane_funcs.reset. Please read the
+	 * documentation for the &drm_plane_funcs.reset hook for more details.
+	 */
+	void (*reset_plane)(struct drm_simple_display_pipe *pipe);
+
+	/**
+	 * @duplicate_plane_state:
+	 *
+	 * Optional, called by &drm_plane_funcs.atomic_duplicate_state.  Please
+	 * read the documentation for the &drm_plane_funcs.atomic_duplicate_state
+	 * hook for more details.
+	 */
+	struct drm_plane_state * (*duplicate_plane_state)(struct drm_simple_display_pipe *pipe);
+
+	/**
+	 * @destroy_plane_state:
+	 *
+	 * Optional, called by &drm_plane_funcs.atomic_destroy_state.  Please
+	 * read the documentation for the &drm_plane_funcs.atomic_destroy_state
+	 * hook for more details.
+	 */
+	void (*destroy_plane_state)(struct drm_simple_display_pipe *pipe,
+				    struct drm_plane_state *plane_state);
 };
 
 /**

include/drm/drm_vblank.h

···
 void drm_crtc_vblank_reset(struct drm_crtc *crtc);
 void drm_crtc_vblank_on(struct drm_crtc *crtc);
 u64 drm_crtc_accurate_vblank_count(struct drm_crtc *crtc);
-void drm_vblank_restore(struct drm_device *dev, unsigned int pipe);
 void drm_crtc_vblank_restore(struct drm_crtc *crtc);
 
 void drm_calc_timestamping_constants(struct drm_crtc *crtc,

include/drm/gpu_scheduler.h

···
 	return s_job && atomic_inc_return(&s_job->karma) > threshold;
 }
 
+enum drm_gpu_sched_stat {
+	DRM_GPU_SCHED_STAT_NONE, /* Reserve 0 */
+	DRM_GPU_SCHED_STAT_NOMINAL,
+	DRM_GPU_SCHED_STAT_ENODEV,
+};
+
 /**
  * struct drm_sched_backend_ops
  *
···
 	struct dma_fence *(*run_job)(struct drm_sched_job *sched_job);
 
 	/**
-         * @timedout_job: Called when a job has taken too long to execute,
-         * to trigger GPU recovery.
+	 * @timedout_job: Called when a job has taken too long to execute,
+	 * to trigger GPU recovery.
+	 *
+	 * Return DRM_GPU_SCHED_STAT_NOMINAL, when all is normal,
+	 * and the underlying driver has started or completed recovery.
+	 *
+	 * Return DRM_GPU_SCHED_STAT_ENODEV, if the device is no longer
+	 * available, i.e. has been unplugged.
 	 */
-	void (*timedout_job)(struct drm_sched_job *sched_job);
+	enum drm_gpu_sched_stat (*timedout_job)(struct drm_sched_job *sched_job);
 
 	/**
          * @free_job: Called once the job's finished fence has been signaled
···
 	struct list_head		pending_list;
 	spinlock_t			job_list_lock;
 	int				hang_limit;
-	atomic_t                        score;
+	atomic_t                        *score;
+	atomic_t                        _score;
 	bool				ready;
 	bool				free_guilty;
 };
···
 int drm_sched_init(struct drm_gpu_scheduler *sched,
 		   const struct drm_sched_backend_ops *ops,
 		   uint32_t hw_submission, unsigned hang_limit, long timeout,
-		   const char *name);
+		   atomic_t *score, const char *name);
 
 void drm_sched_fini(struct drm_gpu_scheduler *sched);
 int drm_sched_job_init(struct drm_sched_job *job,

include/drm/ttm/ttm_bo_api.h

···
 
 #include "ttm_resource.h"
 
-struct ttm_bo_global;
+struct ttm_global;
 
-struct ttm_bo_device;
+struct ttm_device;
 
 struct dma_buf_map;
 
···
  * @type: The bo type.
  * @destroy: Destruction function. If NULL, kfree is used.
  * @num_pages: Actual number of pages.
- * @acc_size: Accounted size for this object.
  * @kref: Reference count of this buffer object. When this refcount reaches
  * zero, the object is destroyed or put on the delayed delete list.
  * @mem: structure describing current placement.
···
 	 * Members constant at init.
 	 */
 
-	struct ttm_bo_device *bdev;
+	struct ttm_device *bdev;
 	enum ttm_bo_type type;
 	void (*destroy) (struct ttm_buffer_object *);
-	size_t acc_size;
 
 	/**
 	* Members not needing protection.
···
  * @bulk: optional bulk move structure to remember BO positions
  *
  * Move this BO to the tail of all lru lists used to lookup and reserve an
- * object. This function must be called with struct ttm_bo_global::lru_lock
+ * object. This function must be called with struct ttm_global::lru_lock
  * held, and is used to make a BO less likely to be considered for eviction.
  */
 void ttm_bo_move_to_lru_tail(struct ttm_buffer_object *bo,
···
  * @bulk: bulk move structure
  *
  * Bulk move BOs to the LRU tail, only valid to use when driver makes sure that
- * BO order never changes. Should be called with ttm_bo_global::lru_lock held.
+ * BO order never changes. Should be called with ttm_global::lru_lock held.
  */
 void ttm_bo_bulk_move_lru_tail(struct ttm_lru_bulk_move *bulk);
 
···
  * Returns
  * True if the workqueue was queued at the time
  */
-int ttm_bo_lock_delayed_workqueue(struct ttm_bo_device *bdev);
+int ttm_bo_lock_delayed_workqueue(struct ttm_device *bdev);
 
 /**
  * ttm_bo_unlock_delayed_workqueue
  *
  * Allows the delayed workqueue to run.
  */
-void ttm_bo_unlock_delayed_workqueue(struct ttm_bo_device *bdev, int resched);
+void ttm_bo_unlock_delayed_workqueue(struct ttm_device *bdev, int resched);
 
 /**
  * ttm_bo_eviction_valuable
···
 bool ttm_bo_eviction_valuable(struct ttm_buffer_object *bo,
 			      const struct ttm_place *place);
 
-size_t ttm_bo_dma_acc_size(struct ttm_bo_device *bdev,
-			   unsigned long bo_size,
-			   unsigned struct_size);
-
 /**
  * ttm_bo_init_reserved
  *
- * @bdev: Pointer to a ttm_bo_device struct.
+ * @bdev: Pointer to a ttm_device struct.
  * @bo: Pointer to a ttm_buffer_object to be initialized.
  * @size: Requested size of buffer object.
  * @type: Requested type of buffer object.
  * @flags: Initial placement flags.
  * @page_alignment: Data alignment in pages.
  * @ctx: TTM operation context for memory allocation.
- * @acc_size: Accounted size for this object.
  * @resv: Pointer to a dma_resv, or NULL to let ttm allocate one.
  * @destroy: Destroy function. Use NULL for kfree().
  *
···
  * -ERESTARTSYS: Interrupted by signal while sleeping waiting for resources.
  */
 
-int ttm_bo_init_reserved(struct ttm_bo_device *bdev,
+int ttm_bo_init_reserved(struct ttm_device *bdev,
 			 struct ttm_buffer_object *bo,
 			 size_t size, enum ttm_bo_type type,
 			 struct ttm_placement *placement,
 			 uint32_t page_alignment,
 			 struct ttm_operation_ctx *ctx,
-			 size_t acc_size, struct sg_table *sg,
-			 struct dma_resv *resv,
+			 struct sg_table *sg, struct dma_resv *resv,
 			 void (*destroy) (struct ttm_buffer_object *));
 
 /**
  * ttm_bo_init
  *
- * @bdev: Pointer to a ttm_bo_device struct.
+ * @bdev: Pointer to a ttm_device struct.
  * @bo: Pointer to a ttm_buffer_object to be initialized.
  * @size: Requested size of buffer object.
  * @type: Requested type of buffer object.
···
  * holds a pointer to a persistent shmem object. Typically, this would
  * point to the shmem object backing a GEM object if TTM is used to back a
  * GEM user interface.
- * @acc_size: Accounted size for this object.
  * @resv: Pointer to a dma_resv, or NULL to let ttm allocate one.
  * @destroy: Destroy function. Use NULL for kfree().
  *
···
  * -EINVAL: Invalid placement flags.
  * -ERESTARTSYS: Interrupted by signal while sleeping waiting for resources.
  */
-int ttm_bo_init(struct ttm_bo_device *bdev, struct ttm_buffer_object *bo,
+int ttm_bo_init(struct ttm_device *bdev, struct ttm_buffer_object *bo,
 		size_t size, enum ttm_bo_type type,
 		struct ttm_placement *placement,
-		uint32_t page_alignment, bool interrubtible, size_t acc_size,
+		uint32_t page_alignment, bool interrubtible,
 		struct sg_table *sg, struct dma_resv *resv,
 		void (*destroy) (struct ttm_buffer_object *));
 
···
  *
  * @filp:      filp as input from the mmap method.
  * @vma:       vma as input from the mmap method.
- * @bdev:      Pointer to the ttm_bo_device with the address space manager.
+ * @bdev:      Pointer to the ttm_device with the address space manager.
  *
  * This function is intended to be called by the device mmap method.
  * if the device address space is to be backed by the bo manager.
  */
 int ttm_bo_mmap(struct file *filp, struct vm_area_struct *vma,
-		struct ttm_bo_device *bdev);
+		struct ttm_device *bdev);
 
 /**
  * ttm_bo_io
  *
- * @bdev:      Pointer to the struct ttm_bo_device.
+ * @bdev:      Pointer to the struct ttm_device.
  * @filp:      Pointer to the struct file attempting to read / write.
  * @wbuf:      User-space pointer to address of buffer to write. NULL on read.
  * @rbuf:      User-space pointer to address of buffer to read into.
···
  * the function may return -ERESTARTSYS if
  * interrupted by a signal.
  */
-ssize_t ttm_bo_io(struct ttm_bo_device *bdev, struct file *filp,
+ssize_t ttm_bo_io(struct ttm_device *bdev, struct file *filp,
 		  const char __user *wbuf, char __user *rbuf,
 		  size_t count, loff_t *f_pos, bool write);
 
-int ttm_bo_swapout(struct ttm_operation_ctx *ctx);
+int ttm_bo_swapout(struct ttm_operation_ctx *ctx, gfp_t gfp_flags);
 
 /**
  * ttm_bo_uses_embedded_gem_object - check if the given bo uses the
···
 	--bo->pin_count;
 }
 
-int ttm_mem_evict_first(struct ttm_bo_device *bdev,
+int ttm_mem_evict_first(struct ttm_device *bdev,
 			struct ttm_resource_manager *man,
 			const struct ttm_place *place,
 			struct ttm_operation_ctx *ctx,
···
 
 int ttm_bo_vm_access(struct vm_area_struct *vma, unsigned long addr,
 		     void *buf, int len, int write);
+bool ttm_bo_delayed_delete(struct ttm_device *bdev, bool remove_all);
 
 #endif

include/drm/ttm/ttm_bo_driver.h

···
 #include <linux/spinlock.h>
 #include <linux/dma-resv.h>
 
+#include <drm/ttm/ttm_device.h>
+
 #include "ttm_bo_api.h"
-#include "ttm_memory.h"
 #include "ttm_placement.h"
 #include "ttm_tt.h"
 #include "ttm_pool.h"
-
-/**
- * struct ttm_bo_driver
- *
- * @create_ttm_backend_entry: Callback to create a struct ttm_backend.
- * @evict_flags: Callback to obtain placement flags when a buffer is evicted.
- * @move: Callback for a driver to hook in accelerated functions to
- * move a buffer.
- * If set to NULL, a potentially slow memcpy() move is used.
- */
-
-struct ttm_bo_driver {
-	/**
-	 * ttm_tt_create
-	 *
-	 * @bo: The buffer object to create the ttm for.
-	 * @page_flags: Page flags as identified by TTM_PAGE_FLAG_XX flags.
-	 *
-	 * Create a struct ttm_tt to back data with system memory pages.
-	 * No pages are actually allocated.
-	 * Returns:
-	 * NULL: Out of memory.
-	 */
-	struct ttm_tt *(*ttm_tt_create)(struct ttm_buffer_object *bo,
-					uint32_t page_flags);
-
-	/**
-	 * ttm_tt_populate
-	 *
-	 * @ttm: The struct ttm_tt to contain the backing pages.
-	 *
-	 * Allocate all backing pages
-	 * Returns:
-	 * -ENOMEM: Out of memory.
-	 */
-	int (*ttm_tt_populate)(struct ttm_bo_device *bdev,
-			       struct ttm_tt *ttm,
-			       struct ttm_operation_ctx *ctx);
-
-	/**
-	 * ttm_tt_unpopulate
-	 *
-	 * @ttm: The struct ttm_tt to contain the backing pages.
-	 *
-	 * Free all backing page
-	 */
-	void (*ttm_tt_unpopulate)(struct ttm_bo_device *bdev, struct ttm_tt *ttm);
-
-	/**
-	 * ttm_tt_destroy
-	 *
-	 * @bdev: Pointer to a ttm device
-	 * @ttm: Pointer to a struct ttm_tt.
-	 *
-	 * Destroy the backend. This will be call back from ttm_tt_destroy so
-	 * don't call ttm_tt_destroy from the callback or infinite loop.
-	 */
-	void (*ttm_tt_destroy)(struct ttm_bo_device *bdev, struct ttm_tt *ttm);
-
-	/**
-	 * struct ttm_bo_driver member eviction_valuable
-	 *
-	 * @bo: the buffer object to be evicted
-	 * @place: placement we need room for
-	 *
-	 * Check with the driver if it is valuable to evict a BO to make room
-	 * for a certain placement.
-	 */
-	bool (*eviction_valuable)(struct ttm_buffer_object *bo,
-				  const struct ttm_place *place);
-	/**
-	 * struct ttm_bo_driver member evict_flags:
-	 *
-	 * @bo: the buffer object to be evicted
-	 *
-	 * Return the bo flags for a buffer which is not mapped to the hardware.
-	 * These will be placed in proposed_flags so that when the move is
-	 * finished, they'll end up in bo->mem.flags
-	 * This should not cause multihop evictions, and the core will warn
-	 * if one is proposed.
-	 */
-
-	void (*evict_flags)(struct ttm_buffer_object *bo,
-			    struct ttm_placement *placement);
-
-	/**
-	 * struct ttm_bo_driver member move:
-	 *
-	 * @bo: the buffer to move
-	 * @evict: whether this motion is evicting the buffer from
-	 * the graphics address space
-	 * @ctx: context for this move with parameters
-	 * @new_mem: the new memory region receiving the buffer
-	 @ @hop: placement for driver directed intermediate hop
-	 *
-	 * Move a buffer between two memory regions.
-	 * Returns errno -EMULTIHOP if driver requests a hop
-	 */
-	int (*move)(struct ttm_buffer_object *bo, bool evict,
-		    struct ttm_operation_ctx *ctx,
-		    struct ttm_resource *new_mem,
-		    struct ttm_place *hop);
-
-	/**
-	 * struct ttm_bo_driver_member verify_access
-	 *
-	 * @bo: Pointer to a buffer object.
-	 * @filp: Pointer to a struct file trying to access the object.
-	 *
-	 * Called from the map / write / read methods to verify that the
-	 * caller is permitted to access the buffer object.
-	 * This member may be set to NULL, which will refuse this kind of
-	 * access for all buffer objects.
-	 * This function should return 0 if access is granted, -EPERM otherwise.
-	 */
-	int (*verify_access)(struct ttm_buffer_object *bo,
-			     struct file *filp);
-
-	/**
-	 * Hook to notify driver about a resource delete.
-	 */
-	void (*delete_mem_notify)(struct ttm_buffer_object *bo);
-
-	/**
-	 * notify the driver that we're about to swap out this bo
-	 */
-	void (*swap_notify)(struct ttm_buffer_object *bo);
-
-	/**
-	 * Driver callback on when mapping io memory (for bo_move_memcpy
-	 * for instance). TTM will take care to call io_mem_free whenever
-	 * the mapping is not use anymore. io_mem_reserve & io_mem_free
-	 * are balanced.
-	 */
-	int (*io_mem_reserve)(struct ttm_bo_device *bdev,
-			      struct ttm_resource *mem);
-	void (*io_mem_free)(struct ttm_bo_device *bdev,
-			    struct ttm_resource *mem);
-
-	/**
-	 * Return the pfn for a given page_offset inside the BO.
-	 *
-	 * @bo: the BO to look up the pfn for
-	 * @page_offset: the offset to look up
-	 */
-	unsigned long (*io_mem_pfn)(struct ttm_buffer_object *bo,
-				    unsigned long page_offset);
-
-	/**
-	 * Read/write memory buffers for ptrace access
-	 *
-	 * @bo: the BO to access
-	 * @offset: the offset from the start of the BO
-	 * @buf: pointer to source/destination buffer
-	 * @len: number of bytes to copy
-	 * @write: whether to read (0) from or write (non-0) to BO
-	 *
-	 * If successful, this function should return the number of
-	 * bytes copied, -EIO otherwise. If the number of bytes
-	 * returned is < len, the function may be called again with
-	 * the remainder of the buffer to copy.
-	 */
-	int (*access_memory)(struct ttm_buffer_object *bo, unsigned long offset,
-			     void *buf, int len, int write);
-
-	/**
-	 * struct ttm_bo_driver member del_from_lru_notify
-	 *
-	 * @bo: the buffer object deleted from lru
-	 *
-	 * notify driver that a BO was deleted from LRU.
-	 */
-	void (*del_from_lru_notify)(struct ttm_buffer_object *bo);
-
-	/**
-	 * Notify the driver that we're about to release a BO
-	 *
-	 * @bo: BO that is about to be released
-	 *
-	 * Gives the driver a chance to do any cleanup, including
-	 * adding fences that may force a delayed delete
-	 */
-	void (*release_notify)(struct ttm_buffer_object *bo);
-};
-
-/**
- * struct ttm_bo_global - Buffer object driver global data.
- *
- * @dummy_read_page: Pointer to a dummy page used for mapping requests
- * of unpopulated pages.
- * @shrink: A shrink callback object used for buffer object swap.
- * @device_list_mutex: Mutex protecting the device list.
- * This mutex is held while traversing the device list for pm options.
- * @lru_lock: Spinlock protecting the bo subsystem lru lists.
- * @device_list: List of buffer object devices.
- * @swap_lru: Lru list of buffer objects used for swapping.
- */
-
-extern struct ttm_bo_global {
-
-	/**
-	 * Constant after init.
-	 */
-
-	struct kobject kobj;
-	struct page *dummy_read_page;
-	spinlock_t lru_lock;
-
-	/**
-	 * Protected by ttm_global_mutex.
-	 */
-	struct list_head device_list;
-
-	/**
-	 * Protected by the lru_lock.
-	 */
-	struct list_head swap_lru[TTM_MAX_BO_PRIORITY];
-
-	/**
-	 * Internal protection.
-	 */
-	atomic_t bo_count;
-} ttm_bo_glob;
-
-
-#define TTM_NUM_MEM_TYPES 8
-
-/**
- * struct ttm_bo_device - Buffer object driver device-specific data.
- *
- * @driver: Pointer to a struct ttm_bo_driver struct setup by the driver.
- * @man: An array of resource_managers.
- * @vma_manager: Address space manager (pointer)
- * lru_lock: Spinlock that protects the buffer+device lru lists and
- * ddestroy lists.
- * @dev_mapping: A pointer to the struct address_space representing the
- * device address space.
- * @wq: Work queue structure for the delayed delete workqueue.
- *
- */
-
-struct ttm_bo_device {
-
-	/*
-	 * Constant after bo device init / atomic.
-	 */
-	struct list_head device_list;
-	struct ttm_bo_driver *driver;
-	/*
-	 * access via ttm_manager_type.
-	 */
-	struct ttm_resource_manager sysman;
-	struct ttm_resource_manager *man_drv[TTM_NUM_MEM_TYPES];
-	/*
-	 * Protected by internal locks.
-	 */
-	struct drm_vma_offset_manager *vma_manager;
-	struct ttm_pool pool;
-
-	/*
-	 * Protected by the global:lru lock.
-	 */
-	struct list_head ddestroy;
-
-	/*
-	 * Protected by load / firstopen / lastclose /unload sync.
-	 */
-
-	struct address_space *dev_mapping;
-
-	/*
-	 * Internal protection.
-	 */
-
-	struct delayed_work wq;
-};
-
-static inline struct ttm_resource_manager *ttm_manager_type(struct ttm_bo_device *bdev,
-							    int mem_type)
-{
-	return bdev->man_drv[mem_type];
-}
-
-static inline void ttm_set_driver_manager(struct ttm_bo_device *bdev,
-					  int type,
-					  struct ttm_resource_manager *manager)
-{
-	bdev->man_drv[type] = manager;
-}
 
 /**
  * struct ttm_lru_bulk_move_pos
···
 		     struct ttm_placement *placement,
 		     struct ttm_resource *mem,
 		     struct ttm_operation_ctx *ctx);
-
-int ttm_bo_device_release(struct ttm_bo_device *bdev);
-
-/**
- * ttm_bo_device_init
- *
- * @bdev: A pointer to a struct ttm_bo_device to initialize.
- * @glob: A pointer to an initialized struct ttm_bo_global.
- * @driver: A pointer to a struct ttm_bo_driver set up by the caller.
- * @dev: The core kernel device pointer for DMA mappings and allocations.
- * @mapping: The address space to use for this bo.
- * @vma_manager: A pointer to a vma manager.
- * @use_dma_alloc: If coherent DMA allocation API should be used.
- * @use_dma32: If we should use GFP_DMA32 for device memory allocations.
- *
- * Initializes a struct ttm_bo_device:
- * Returns:
- * !0: Failure.
- */
-int ttm_bo_device_init(struct ttm_bo_device *bdev,
-		       struct ttm_bo_driver *driver,
-		       struct device *dev,
-		       struct address_space *mapping,
-		       struct drm_vma_offset_manager *vma_manager,
-		       bool use_dma_alloc, bool use_dma32);
 
 /**
  * ttm_bo_unmap_virtual
···
 static inline void
 ttm_bo_move_to_lru_tail_unlocked(struct ttm_buffer_object *bo)
 {
-	spin_lock(&ttm_bo_glob.lru_lock);
+	spin_lock(&ttm_glob.lru_lock);
 	ttm_bo_move_to_lru_tail(bo, &bo->mem, NULL);
-	spin_unlock(&ttm_bo_glob.lru_lock);
+	spin_unlock(&ttm_glob.lru_lock);
 }
 
 static inline void ttm_bo_assign_mem(struct ttm_buffer_object *bo,
···
 /*
  * ttm_bo_util.c
  */
-int ttm_mem_io_reserve(struct ttm_bo_device *bdev,
+int ttm_mem_io_reserve(struct ttm_device *bdev,
 		       struct ttm_resource *mem);
-void ttm_mem_io_free(struct ttm_bo_device *bdev,
+void ttm_mem_io_free(struct ttm_device *bdev,
 		     struct ttm_resource *mem);
 
 /**
···
  * Initialise a generic range manager for the selected memory type.
  * The range manager is installed for this device in the type slot.
  */
-int ttm_range_man_init(struct ttm_bo_device *bdev,
+int ttm_range_man_init(struct ttm_device *bdev,
 		       unsigned type, bool use_tt,
 		       unsigned long p_size);
 
···
  *
  * Remove the generic range manager from a slot and tear it down.
  */
-int ttm_range_man_fini(struct ttm_bo_device *bdev,
+int ttm_range_man_fini(struct ttm_device *bdev,
 		       unsigned type);
 
 #endif

include/drm/ttm/ttm_device.h

···
+/*
+ * Copyright 2020 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: Christian König
+ */
+
+#ifndef _TTM_DEVICE_H_
+#define _TTM_DEVICE_H_
+
+#include <linux/types.h>
+#include <linux/workqueue.h>
+#include <drm/ttm/ttm_resource.h>
+#include <drm/ttm/ttm_pool.h>
+
+#define TTM_NUM_MEM_TYPES 8
+
+struct ttm_device;
+struct ttm_placement;
+struct ttm_buffer_object;
+struct ttm_operation_ctx;
+
+/**
+ * struct ttm_global - Buffer object driver global data.
+ *
+ * @dummy_read_page: Pointer to a dummy page used for mapping requests
+ * of unpopulated pages.
+ * @shrink: A shrink callback object used for buffer object swap.
+ * @device_list_mutex: Mutex protecting the device list.
+ * This mutex is held while traversing the device list for pm options.
+ * @lru_lock: Spinlock protecting the bo subsystem lru lists.
+ * @device_list: List of buffer object devices.
+ * @swap_lru: Lru list of buffer objects used for swapping.
+ */
+extern struct ttm_global {
+
+	/**
+	 * Constant after init.
+	 */
+
+	struct page *dummy_read_page;
+	spinlock_t lru_lock;
+
+	/**
+	 * Protected by ttm_global_mutex.
+	 */
+	struct list_head device_list;
+
+	/**
+	 * Protected by the lru_lock.
+	 */
+	struct list_head swap_lru[TTM_MAX_BO_PRIORITY];
+
+	/**
+	 * Internal protection.
+	 */
+	atomic_t bo_count;
+} ttm_glob;
+
+struct ttm_device_funcs {
+	/**
+	 * ttm_tt_create
+	 *
+	 * @bo: The buffer object to create the ttm for.
+	 * @page_flags: Page flags as identified by TTM_PAGE_FLAG_XX flags.
+	 *
+	 * Create a struct ttm_tt to back data with system memory pages.
+	 * No pages are actually allocated.
+	 * Returns:
+	 * NULL: Out of memory.
+	 */
+	struct ttm_tt *(*ttm_tt_create)(struct ttm_buffer_object *bo,
+					uint32_t page_flags);
+
+	/**
+	 * ttm_tt_populate
+	 *
+	 * @ttm: The struct ttm_tt to contain the backing pages.
+	 *
+	 * Allocate all backing pages
+	 * Returns:
+	 * -ENOMEM: Out of memory.
+	 */
+	int (*ttm_tt_populate)(struct ttm_device *bdev,
+			       struct ttm_tt *ttm,
+			       struct ttm_operation_ctx *ctx);
+
+	/**
+	 * ttm_tt_unpopulate
+	 *
+	 * @ttm: The struct ttm_tt to contain the backing pages.
+	 *
+	 * Free all backing page
+	 */
+	void (*ttm_tt_unpopulate)(struct ttm_device *bdev,
+				  struct ttm_tt *ttm);
+
+	/**
+	 * ttm_tt_destroy
+	 *
+	 * @bdev: Pointer to a ttm device
+	 * @ttm: Pointer to a struct ttm_tt.
+	 *
+	 * Destroy the backend. This will be call back from ttm_tt_destroy so
+	 * don't call ttm_tt_destroy from the callback or infinite loop.
+	 */
+	void (*ttm_tt_destroy)(struct ttm_device *bdev, struct ttm_tt *ttm);
+
+	/**
+	 * struct ttm_bo_driver member eviction_valuable
+	 *
+	 * @bo: the buffer object to be evicted
+	 * @place: placement we need room for
+	 *
+	 * Check with the driver if it is valuable to evict a BO to make room
+	 * for a certain placement.
+	 */
+	bool (*eviction_valuable)(struct ttm_buffer_object *bo,
+				  const struct ttm_place *place);
+	/**
+	 * struct ttm_bo_driver member evict_flags:
+	 *
+	 * @bo: the buffer object to be evicted
+	 *
+	 * Return the bo flags for a buffer which is not mapped to the hardware.
+	 * These will be placed in proposed_flags so that when the move is
+	 * finished, they'll end up in bo->mem.flags
+	 * This should not cause multihop evictions, and the core will warn
+	 * if one is proposed.
+	 */
+
+	void (*evict_flags)(struct ttm_buffer_object *bo,
+			    struct ttm_placement *placement);
+
+	/**
+	 * struct ttm_bo_driver member move:
+	 *
+	 * @bo: the buffer to move
+	 * @evict: whether this motion is evicting the buffer from
+	 * the graphics address space
+	 * @ctx: context for this move with parameters
+	 * @new_mem: the new memory region receiving the buffer
+	 @ @hop: placement for driver directed intermediate hop
+	 *
+	 * Move a buffer between two memory regions.
+	 * Returns errno -EMULTIHOP if driver requests a hop
+	 */
+	int (*move)(struct ttm_buffer_object *bo, bool evict,
+		    struct ttm_operation_ctx *ctx,
+		    struct ttm_resource *new_mem,
+		    struct ttm_place *hop);
+
+	/**
+	 * struct ttm_bo_driver_member verify_access
+	 *
+	 * @bo: Pointer to a buffer object.
+	 * @filp: Pointer to a struct file trying to access the object.
+	 *
+	 * Called from the map / write / read methods to verify that the
+	 * caller is permitted to access the buffer object.
+	 * This member may be set to NULL, which will refuse this kind of
+	 * access for all buffer objects.
+	 * This function should return 0 if access is granted, -EPERM otherwise.
+	 */
+	int (*verify_access)(struct ttm_buffer_object *bo,
+			     struct file *filp);
+
+	/**
+	 * Hook to notify driver about a resource delete.
+	 */
+	void (*delete_mem_notify)(struct ttm_buffer_object *bo);
+
+	/**
+	 * notify the driver that we're about to swap out this bo
+	 */
+	void (*swap_notify)(struct ttm_buffer_object *bo);
+
+	/**
+	 * Driver callback on when mapping io memory (for bo_move_memcpy
+	 * for instance). TTM will take care to call io_mem_free whenever
+	 * the mapping is not use anymore. io_mem_reserve & io_mem_free
+	 * are balanced.
+	 */
+	int (*io_mem_reserve)(struct ttm_device *bdev,
+			      struct ttm_resource *mem);
+	void (*io_mem_free)(struct ttm_device *bdev,
+			    struct ttm_resource *mem);
+
+	/**
+	 * Return the pfn for a given page_offset inside the BO.
+	 *
+	 * @bo: the BO to look up the pfn for
+	 * @page_offset: the offset to look up
+	 */
+	unsigned long (*io_mem_pfn)(struct ttm_buffer_object *bo,
+				    unsigned long page_offset);
+
+	/**
+	 * Read/write memory buffers for ptrace access
+	 *
+	 * @bo: the BO to access
+	 * @offset: the offset from the start of the BO
+	 * @buf: pointer to source/destination buffer
+	 * @len: number of bytes to copy
+	 * @write: whether to read (0) from or write (non-0) to BO
+	 *
+	 * If successful, this function should return the number of
+	 * bytes copied, -EIO otherwise. If the number of bytes
+	 * returned is < len, the function may be called again with
+	 * the remainder of the buffer to copy.
+	 */
+	int (*access_memory)(struct ttm_buffer_object *bo, unsigned long offset,
+			     void *buf, int len, int write);
+
+	/**
+	 * struct ttm_bo_driver member del_from_lru_notify
+	 *
+	 * @bo: the buffer object deleted from lru
+	 *
+	 * notify driver that a BO was deleted from LRU.
+	 */
+	void (*del_from_lru_notify)(struct ttm_buffer_object *bo);
+
+	/**
+	 * Notify the driver that we're about to release a BO
+	 *
+	 * @bo: BO that is about to be released
+	 *
+	 * Gives the driver a chance to do any cleanup, including
+	 * adding fences that may force a delayed delete
+	 */
+	void (*release_notify)(struct ttm_buffer_object *bo);
+};
+
+/**
+ * struct ttm_device - Buffer object driver device-specific data.
+ *
+ * @device_list: Our entry in the global device list.
+ * @funcs: Function table for the device.
+ * @sysman: Resource manager for the system domain.
+ * @man_drv: An array of resource_managers.
+ * @vma_manager: Address space manager.
+ * @pool: page pool for the device.
+ * @dev_mapping: A pointer to the struct address_space representing the
+ * device address space.
+ * @wq: Work queue structure for the delayed delete workqueue.
+ */
+struct ttm_device {
+	/*
+	 * Constant after bo device init
+	 */
+	struct list_head device_list;
+	struct ttm_device_funcs *funcs;
+
+	/*
+	 * Access via ttm_manager_type.
+	 */
+	struct ttm_resource_manager sysman;
+	struct ttm_resource_manager *man_drv[TTM_NUM_MEM_TYPES];
+
+	/*
+	 * Protected by internal locks.
+	 */
+	struct drm_vma_offset_manager *vma_manager;
+	struct ttm_pool pool;
+
+	/*
+	 * Protected by the global:lru lock.
+	 */
+	struct list_head ddestroy;
+
+	/*
+	 * Protected by load / firstopen / lastclose /unload sync.
+	 */
+	struct address_space *dev_mapping;
+
+	/*
+	 * Internal protection.
+	 */
+	struct delayed_work wq;
+};
+
+static inline struct ttm_resource_manager *
+ttm_manager_type(struct ttm_device *bdev, int mem_type)
+{
+	return bdev->man_drv[mem_type];
+}
+
+static inline void ttm_set_driver_manager(struct ttm_device *bdev, int type,
+					  struct ttm_resource_manager *manager)
+{
+	bdev->man_drv[type] = manager;
+}
+
+int ttm_device_init(struct ttm_device *bdev, struct ttm_device_funcs *funcs,
+		    struct device *dev, struct address_space *mapping,
+		    struct drm_vma_offset_manager *vma_manager,
+		    bool use_dma_alloc, bool use_dma32);
+void ttm_device_fini(struct ttm_device *bdev);
+
+#endif

include/drm/ttm/ttm_memory.h drivers/gpu/drm/vmwgfx/ttm_memory.h

···
 #include <linux/errno.h>
 #include <linux/kobject.h>
 #include <linux/mm.h>
-#include "ttm_bo_api.h"
+
+#include <drm/ttm/ttm_bo_api.h>
 
 /**
  * struct ttm_mem_global - Global memory accounting structure.
···
 #endif
 } ttm_mem_glob;
 
-int ttm_mem_global_init(struct ttm_mem_global *glob);
+int ttm_mem_global_init(struct ttm_mem_global *glob, struct device *dev);
 void ttm_mem_global_release(struct ttm_mem_global *glob);
 int ttm_mem_global_alloc(struct ttm_mem_global *glob, uint64_t memory,
 			 struct ttm_operation_ctx *ctx);

include/drm/ttm/ttm_resource.h

···
 
 #define TTM_MAX_BO_PRIORITY	4U
 
-struct ttm_bo_device;
+struct ttm_device;
 struct ttm_resource_manager;
 struct ttm_resource;
 struct ttm_place;
···
 void ttm_resource_manager_init(struct ttm_resource_manager *man,
 			       unsigned long p_size);
 
-int ttm_resource_manager_evict_all(struct ttm_bo_device *bdev,
+int ttm_resource_manager_evict_all(struct ttm_device *bdev,
 				   struct ttm_resource_manager *man);
 
 void ttm_resource_manager_debug(struct ttm_resource_manager *man,

include/drm/ttm/ttm_tt.h

···
 #include <linux/types.h>
 #include <drm/ttm/ttm_caching.h>
 
+struct ttm_bo_device;
 struct ttm_tt;
 struct ttm_resource;
 struct ttm_buffer_object;
···
  *
  * Unbind, unpopulate and destroy common struct ttm_tt.
  */
-void ttm_tt_destroy(struct ttm_bo_device *bdev, struct ttm_tt *ttm);
+void ttm_tt_destroy(struct ttm_device *bdev, struct ttm_tt *ttm);
 
 /**
  * ttm_tt_destroy_common:
  *
  * Called from driver to destroy common path.
  */
-void ttm_tt_destroy_common(struct ttm_bo_device *bdev, struct ttm_tt *ttm);
+void ttm_tt_destroy_common(struct ttm_device *bdev, struct ttm_tt *ttm);
 
 /**
  * ttm_tt_swapin:
···
  * Swap in a previously swap out ttm_tt.
  */
 int ttm_tt_swapin(struct ttm_tt *ttm);
-int ttm_tt_swapout(struct ttm_bo_device *bdev, struct ttm_tt *ttm);
+int ttm_tt_swapout(struct ttm_device *bdev, struct ttm_tt *ttm,
+		   gfp_t gfp_flags);
 
 /**
  * ttm_tt_populate - allocate pages for a ttm
···
  *
  * Calls the driver method to allocate pages for a ttm
  */
-int ttm_tt_populate(struct ttm_bo_device *bdev, struct ttm_tt *ttm, struct ttm_operation_ctx *ctx);
+int ttm_tt_populate(struct ttm_device *bdev, struct ttm_tt *ttm, struct ttm_operation_ctx *ctx);
 
 /**
  * ttm_tt_unpopulate - free pages from a ttm
···
  *
  * Calls the driver method to free all pages from a ttm
  */
-void ttm_tt_unpopulate(struct ttm_bo_device *bdev, struct ttm_tt *ttm);
+void ttm_tt_unpopulate(struct ttm_device *bdev, struct ttm_tt *ttm);
+
+int ttm_tt_mgr_init(void);
+void ttm_tt_mgr_fini(void);
 
 #if IS_ENABLED(CONFIG_AGP)
 #include <linux/agp_backend.h>

include/linux/dma-heap.h

···
 void *dma_heap_get_drvdata(struct dma_heap *heap);
 
 /**
+ * dma_heap_get_name() - get heap name
+ * @heap: DMA-Heap to retrieve private data for
+ *
+ * Returns:
+ * The char* for the heap name.
+ */
+const char *dma_heap_get_name(struct dma_heap *heap);
+
+/**
  * dma_heap_add - adds a heap to dmabuf heaps
  * @exp_info:		information needed to register this heap
  */

include/linux/hdmi.h

···
 };
 
 enum hdmi_metadata_type {
-	HDMI_STATIC_METADATA_TYPE1 = 1,
+	HDMI_STATIC_METADATA_TYPE1 = 0,
 };
 
 enum hdmi_eotf {

include/linux/lockdep.h

···
 		WARN_ON_ONCE(debug_locks && !lockdep_is_held(l));	\
 	} while (0)
 
+#define lockdep_assert_none_held_once()	do {				\
+		WARN_ON_ONCE(debug_locks && current->lockdep_depth);	\
+	} while (0)
+
 #define lockdep_recursing(tsk)	((tsk)->lockdep_recursion)
 
 #define lockdep_pin_lock(l)	lock_pin_lock(&(l)->dep_map)
···
 #define lockdep_assert_held_write(l)	do { (void)(l); } while (0)
 #define lockdep_assert_held_read(l)		do { (void)(l); } while (0)
 #define lockdep_assert_held_once(l)		do { (void)(l); } while (0)
+#define lockdep_assert_none_held_once()	do { } while (0)
 
 #define lockdep_recursing(tsk)			(0)
 

include/linux/platform_data/simplefb.h

···
 #define SIMPLEFB_FORMATS \
 { \
 	{ "r5g6b5", 16, {11, 5}, {5, 6}, {0, 5}, {0, 0}, DRM_FORMAT_RGB565 }, \
+	{ "r5g5b5a1", 16, {11, 5}, {6, 5}, {1, 5}, {0, 1}, DRM_FORMAT_RGBA5551 }, \
 	{ "x1r5g5b5", 16, {10, 5}, {5, 5}, {0, 5}, {0, 0}, DRM_FORMAT_XRGB1555 }, \
 	{ "a1r5g5b5", 16, {10, 5}, {5, 5}, {0, 5}, {15, 1}, DRM_FORMAT_ARGB1555 }, \
 	{ "r8g8b8", 24, {16, 8}, {8, 8}, {0, 8}, {0, 0}, DRM_FORMAT_RGB888 }, \

include/uapi/drm/drm_mode.h

···
 };
 
 /**
- * struct drm_mode_create_blob - Create New block property
+ * struct drm_mode_create_blob - Create New blob property
  *
  * Create a new 'blob' data property, copying length bytes from data pointer,
  * and returning new blob ID.

lib/test_printf.c

···
 	software_node_unregister_nodes(softnodes);
 }
 
+static void __init fourcc_pointer(void)
+{
+	struct {
+		u32 code;
+		char *str;
+	} const try[] = {
+		{ 0x3231564e, "NV12 little-endian (0x3231564e)", },
+		{ 0xb231564e, "NV12 big-endian (0xb231564e)", },
+		{ 0x10111213, ".... little-endian (0x10111213)", },
+		{ 0x20303159, "Y10  little-endian (0x20303159)", },
+	};
+	unsigned int i;
+
+	for (i = 0; i < ARRAY_SIZE(try); i++)
+		test(try[i].str, "%p4cc", &try[i].code);
+}
+
 static void __init
 errptr(void)
 {
···
 	flags();
 	errptr();
 	fwnode_pointer();
+	fourcc_pointer();
 }
 
 static void __init selftest(void)

lib/vsprintf.c

···
 }
 
 static noinline_for_stack
+char *fourcc_string(char *buf, char *end, const u32 *fourcc,
+		    struct printf_spec spec, const char *fmt)
+{
+	char output[sizeof("0123 little-endian (0x01234567)")];
+	char *p = output;
+	unsigned int i;
+	u32 val;
+
+	if (fmt[1] != 'c' || fmt[2] != 'c')
+		return error_string(buf, end, "(%p4?)", spec);
+
+	if (check_pointer(&buf, end, fourcc, spec))
+		return buf;
+
+	val = *fourcc & ~BIT(31);
+
+	for (i = 0; i < sizeof(*fourcc); i++) {
+		unsigned char c = val >> (i * 8);
+
+		/* Print non-control ASCII characters as-is, dot otherwise */
+		*p++ = isascii(c) && isprint(c) ? c : '.';
+	}
+
+	strcpy(p, *fourcc & BIT(31) ? " big-endian" : " little-endian");
+	p += strlen(p);
+
+	*p++ = ' ';
+	*p++ = '(';
+	p = special_hex_number(p, output + sizeof(output) - 2, *fourcc, sizeof(u32));
+	*p++ = ')';
+	*p = '\0';
+
+	return string(buf, end, output, spec);
+}
+
+static noinline_for_stack
 char *address_val(char *buf, char *end, const void *addr,
 		  struct printf_spec spec, const char *fmt)
 {
···
  *       correctness of the format string and va_list arguments.
  * - 'K' For a kernel pointer that should be hidden from unprivileged users
  * - 'NF' For a netdev_features_t
+ * - '4cc' V4L2 or DRM FourCC code, with endianness and raw numerical value.
  * - 'h[CDN]' For a variable-length buffer, it prints it as a hex string with
  *            a certain separator (' ' by default):
  *              C colon
···
 		return restricted_pointer(buf, end, ptr, spec);
 	case 'N':
 		return netdev_bits(buf, end, ptr, spec, fmt);
+	case '4':
+		return fourcc_string(buf, end, ptr, spec, fmt);
 	case 'a':
 		return address_val(buf, end, ptr, spec, fmt);
 	case 'd':

scripts/checkpatch.pl

···
 					$specifier = $1;
 					$extension = $2;
 					$qualifier = $3;
-					if ($extension !~ /[SsBKRraEehMmIiUDdgVCbGNOxtf]/ ||
+					if ($extension !~ /[4SsBKRraEehMmIiUDdgVCbGNOxtf]/ ||
 					    ($extension eq "f" &&
-					     defined $qualifier && $qualifier !~ /^w/)) {
+					     defined $qualifier && $qualifier !~ /^w/) ||
+					    ($extension eq "4" &&
+					     defined $qualifier && $qualifier !~ /^cc/)) {
 						$bad_specifier = $specifier;
 						last;
 					}