drm/i915: prefer resource_size_t for everything stolen

Keeps things consistent now that we make use of struct resource. This
should keep us covered in case we ever get huge amounts of stolen
memory.

v2: bunch of missing conversions (Chris)

Signed-off-by: Matthew Auld <[e-mail]>
Cc: Joonas Lahtinen <[e-mail]>
Cc: Chris Wilson <[e-mail]>
Cc: Paulo Zanoni <[e-mail]>
Reviewed-by: Chris Wilson <[e-mail]>
Signed-off-by: Joonas Lahtinen <[e-mail]>
Link: https://patchwork.freedesktop.org/patch/msgid/[e-mail]

drivers/char/agp/intel-gtt.c

···
 	unsigned int needs_dmar : 1;
 	phys_addr_t gma_bus_addr;
 	/*  Size of memory reserved for graphics by the BIOS */
-	unsigned int stolen_size;
+	resource_size_t stolen_size;
 	/* Total number of gtt entries. */
 	unsigned int gtt_total_entries;
 	/* Part of the gtt that is mappable by the cpu, for those chips where
···
 	writel_relaxed(addr | pte_flags, intel_private.gtt + entry);
 }
 
-static unsigned int intel_gtt_stolen_size(void)
+static resource_size_t intel_gtt_stolen_size(void)
 {
 	u16 gmch_ctrl;
 	u8 rdct;
 	int local = 0;
 	static const int ddt[4] = { 0, 16, 32, 64 };
-	unsigned int stolen_size = 0;
+	resource_size_t stolen_size = 0;
 
 	if (INTEL_GTT_GEN == 1)
 		return 0; /* no stolen mem on i81x */
···
 	}
 
 	if (stolen_size > 0) {
-		dev_info(&intel_private.bridge_dev->dev, "detected %dK %s memory\n",
-		       stolen_size / KB(1), local ? "local" : "stolen");
+		dev_info(&intel_private.bridge_dev->dev, "detected %lluK %s memory\n",
+		       (u64)stolen_size / KB(1), local ? "local" : "stolen");
 	} else {
 		dev_info(&intel_private.bridge_dev->dev,
 		       "no pre-allocated video memory detected\n");
···
 
 void intel_gtt_get(u64 *gtt_total,
 		   phys_addr_t *mappable_base,
-		   u64 *mappable_end)
+		   resource_size_t *mappable_end)
 {
 	*gtt_total = intel_private.gtt_total_entries << PAGE_SHIFT;
 	*mappable_base = intel_private.gma_bus_addr;

drivers/gpu/drm/i915/i915_debugfs.c

···
 	seq_printf(m, "%u display objects (globally pinned), %llu bytes\n",
 		   dpy_count, dpy_size);
 
-	seq_printf(m, "%llu [%llu] gtt total\n",
-		   ggtt->base.total, ggtt->mappable_end);
+	seq_printf(m, "%llu [%pa] gtt total\n",
+		   ggtt->base.total, &ggtt->mappable_end);
 	seq_printf(m, "Supported page sizes: %s\n",
 		   stringify_page_sizes(INTEL_INFO(dev_priv)->page_sizes,
 					buf, sizeof(buf)));

drivers/gpu/drm/i915/i915_drv.h

···
 	 * avoid the first page! The upper end of stolen memory is reserved for
 	 * hardware functions and similarly removed from the accessible range.
 	 */
-	u32 stolen_usable_size;	/* Total size minus reserved ranges */
+	resource_size_t stolen_usable_size;	/* Total size minus reserved ranges */
 
 	void __iomem *regs;
 
···
 int i915_gem_init_stolen(struct drm_i915_private *dev_priv);
 void i915_gem_cleanup_stolen(struct drm_device *dev);
 struct drm_i915_gem_object *
-i915_gem_object_create_stolen(struct drm_i915_private *dev_priv, u32 size);
+i915_gem_object_create_stolen(struct drm_i915_private *dev_priv,
+			      resource_size_t size);
 struct drm_i915_gem_object *
 i915_gem_object_create_stolen_for_preallocated(struct drm_i915_private *dev_priv,
-					       u32 stolen_offset,
-					       u32 gtt_offset,
-					       u32 size);
+					       resource_size_t stolen_offset,
+					       resource_size_t gtt_offset,
+					       resource_size_t size);
 
 /* i915_gem_internal.c */
 struct drm_i915_gem_object *

drivers/gpu/drm/i915/i915_gem_gtt.c

···
 	 * a coarse sanity check.
 	 */
 	if (ggtt->mappable_end < (64<<20) || ggtt->mappable_end > (512<<20)) {
-		DRM_ERROR("Unknown GMADR size (%llx)\n", ggtt->mappable_end);
+		DRM_ERROR("Unknown GMADR size (%pa)\n", &ggtt->mappable_end);
 		return -ENXIO;
 	}
 
···
 	 */
 	if (USES_GUC(dev_priv)) {
 		ggtt->base.total = min_t(u64, ggtt->base.total, GUC_GGTT_TOP);
-		ggtt->mappable_end = min(ggtt->mappable_end, ggtt->base.total);
+		ggtt->mappable_end = min_t(u64, ggtt->mappable_end, ggtt->base.total);
 	}
 
 	if ((ggtt->base.total - 1) >> 32) {
···
 			  " of address space! Found %lldM!\n",
 			  ggtt->base.total >> 20);
 		ggtt->base.total = 1ULL << 32;
-		ggtt->mappable_end = min(ggtt->mappable_end, ggtt->base.total);
+		ggtt->mappable_end = min_t(u64, ggtt->mappable_end, ggtt->base.total);
 	}
 
 	if (ggtt->mappable_end > ggtt->base.total) {
 		DRM_ERROR("mappable aperture extends past end of GGTT,"
-			  " aperture=%llx, total=%llx\n",
-			  ggtt->mappable_end, ggtt->base.total);
+			  " aperture=%pa, total=%llx\n",
+			  &ggtt->mappable_end, ggtt->base.total);
 		ggtt->mappable_end = ggtt->base.total;
 	}
 

drivers/gpu/drm/i915/i915_gem_gtt.h

···
 
 	struct io_mapping iomap;	/* Mapping to our CPU mappable region */
 	struct resource gmadr;          /* GMADR resource */
-	u64 mappable_end;		/* End offset that we can CPU map */
+	resource_size_t mappable_end;	/* End offset that we can CPU map */
 
 	/** "Graphics Stolen Memory" holds the global PTEs */
 	void __iomem *gsm;

drivers/gpu/drm/i915/i915_gem_stolen.c

···
 	    !IS_G33(dev_priv) && !IS_PINEVIEW(dev_priv) && !IS_G4X(dev_priv)) {
 		struct resource stolen[2] = {*dsm, *dsm};
 		struct resource ggtt_res;
-		u64 ggtt_start;
+		resource_size_t ggtt_start;
 
 		ggtt_start = I915_READ(PGTBL_CTL);
 		if (IS_GEN4(dev_priv))
···
 }
 
 static void g4x_get_stolen_reserved(struct drm_i915_private *dev_priv,
-				    dma_addr_t *base, u32 *size)
+				    resource_size_t *base, resource_size_t *size)
 {
 	uint32_t reg_val = I915_READ(IS_GM45(dev_priv) ?
 				     CTG_STOLEN_RESERVED :
 				     ELK_STOLEN_RESERVED);
-	dma_addr_t stolen_top = dev_priv->dsm.end + 1;
+	resource_size_t stolen_top = dev_priv->dsm.end + 1;
 
 	if ((reg_val & G4X_STOLEN_RESERVED_ENABLE) == 0) {
 		*base = 0;
···
 }
 
 static void gen6_get_stolen_reserved(struct drm_i915_private *dev_priv,
-				     dma_addr_t *base, u32 *size)
+				     resource_size_t *base, resource_size_t *size)
 {
 	uint32_t reg_val = I915_READ(GEN6_STOLEN_RESERVED);
 
···
 }
 
 static void gen7_get_stolen_reserved(struct drm_i915_private *dev_priv,
-				     dma_addr_t *base, u32 *size)
+				     resource_size_t *base, resource_size_t *size)
 {
 	uint32_t reg_val = I915_READ(GEN6_STOLEN_RESERVED);
 
···
 }
 
 static void chv_get_stolen_reserved(struct drm_i915_private *dev_priv,
-				    dma_addr_t *base, u32 *size)
+				    resource_size_t *base, resource_size_t *size)
 {
 	uint32_t reg_val = I915_READ(GEN6_STOLEN_RESERVED);
 
···
 }
 
 static void bdw_get_stolen_reserved(struct drm_i915_private *dev_priv,
-				    dma_addr_t *base, u32 *size)
+				    resource_size_t *base, resource_size_t *size)
 {
 	uint32_t reg_val = I915_READ(GEN6_STOLEN_RESERVED);
-	dma_addr_t stolen_top;
+	resource_size_t stolen_top;
 
 	if ((reg_val & GEN6_STOLEN_RESERVED_ENABLE) == 0) {
 		*base = 0;
···
 
 int i915_gem_init_stolen(struct drm_i915_private *dev_priv)
 {
-	dma_addr_t reserved_base, stolen_top;
-	u32 reserved_total, reserved_size;
-	u32 stolen_usable_start;
+	resource_size_t reserved_base, stolen_top;
+	resource_size_t reserved_total, reserved_size;
+	resource_size_t stolen_usable_start;
 
 	mutex_init(&dev_priv->mm.stolen_lock);
 
···
 
 static struct sg_table *
 i915_pages_create_for_stolen(struct drm_device *dev,
-			     u32 offset, u32 size)
+			     resource_size_t offset, resource_size_t size)
 {
 	struct drm_i915_private *dev_priv = to_i915(dev);
 	struct sg_table *st;
 	struct scatterlist *sg;
 
-	GEM_BUG_ON(range_overflows_t(resource_size_t, offset, size,
-				     resource_size(&dev_priv->dsm)));
+	GEM_BUG_ON(range_overflows(offset, size, resource_size(&dev_priv->dsm)));
 
 	/* We hide that we have no struct page backing our stolen object
 	 * by wrapping the contiguous physical allocation with a fake
···
 }
 
 struct drm_i915_gem_object *
-i915_gem_object_create_stolen(struct drm_i915_private *dev_priv, u32 size)
+i915_gem_object_create_stolen(struct drm_i915_private *dev_priv,
+			      resource_size_t size)
 {
 	struct drm_i915_gem_object *obj;
 	struct drm_mm_node *stolen;
···
 
 struct drm_i915_gem_object *
 i915_gem_object_create_stolen_for_preallocated(struct drm_i915_private *dev_priv,
-					       u32 stolen_offset,
-					       u32 gtt_offset,
-					       u32 size)
+					       resource_size_t stolen_offset,
+					       resource_size_t gtt_offset,
+					       resource_size_t size)
 {
 	struct i915_ggtt *ggtt = &dev_priv->ggtt;
 	struct drm_i915_gem_object *obj;
···
 
 	lockdep_assert_held(&dev_priv->drm.struct_mutex);
 
-	DRM_DEBUG_KMS("creating preallocated stolen object: stolen_offset=%x, gtt_offset=%x, size=%x\n",
-			stolen_offset, gtt_offset, size);
+	DRM_DEBUG_KMS("creating preallocated stolen object: stolen_offset=%pa, gtt_offset=%pa, size=%pa\n",
+			&stolen_offset, &gtt_offset, &size);
 
 	/* KISS and expect everything to be page-aligned */
 	if (WARN_ON(size == 0) ||

drivers/gpu/drm/i915/intel_pm.c

···
 
 static void cherryview_setup_pctx(struct drm_i915_private *dev_priv)
 {
-	unsigned long pctx_paddr, paddr;
+	resource_size_t pctx_paddr, paddr;
+	resource_size_t pctx_size = 32*1024;
 	u32 pcbr;
-	int pctx_size = 32*1024;
 
 	pcbr = I915_READ(VLV_PCBR);
 	if ((pcbr >> VLV_PCBR_ADDR_SHIFT) == 0) {
···
 static void valleyview_setup_pctx(struct drm_i915_private *dev_priv)
 {
 	struct drm_i915_gem_object *pctx;
-	unsigned long pctx_paddr;
+	resource_size_t pctx_paddr;
+	resource_size_t pctx_size = 24*1024;
 	u32 pcbr;
-	int pctx_size = 24*1024;
 
 	pcbr = I915_READ(VLV_PCBR);
 	if (pcbr) {
 		/* BIOS set it up already, grab the pre-alloc'd space */
-		int pcbr_offset;
+		resource_size_t pcbr_offset;
 
 		pcbr_offset = (pcbr & (~4095)) - dev_priv->dsm.start;
 		pctx = i915_gem_object_create_stolen_for_preallocated(dev_priv,

include/drm/intel-gtt.h

···
 
 void intel_gtt_get(u64 *gtt_total,
 		   phys_addr_t *mappable_base,
-		   u64 *mappable_end);
+		   resource_size_t *mappable_end);
 
 int intel_gmch_probe(struct pci_dev *bridge_pdev, struct pci_dev *gpu_pdev,
 		     struct agp_bridge_data *bridge);