Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux

Pull drm update from Dave Airlie:
"Exynos and Radeon mostly, with a dma-buf and ttm fix thrown in.

It's a bit big but its mostly exynos license fix ups and I'd rather
not hold those up since its legally stuff.

Radeon has a couple of fixes from dma engine work, TTM is just a
locking fix, and dma-buf fix has been hanging around and I finally got
a chance to review it."

* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: (30 commits)
drm/ttm: fix fence locking in ttm_buffer_object_transfer
drm/prime: drop reference on imported dma-buf come from gem
drm/radeon: add quirk for d3 delay during switcheroo poweron for apple macbooks
drm/exynos: move finish page flip to a common place
drm/exynos: fimd: modify condition in fimd resume
drm/radeon: fix DMA CS parser for r6xx linear copy packet
drm/radeon: split r6xx and r7xx copy_dma functions
drm/exynos: Use devm_clk_get in exynos_drm_gsc.c
drm/exynos: Remove redundant NULL check in exynos_drm_gsc.c
drm/exynos: Remove explicit freeing using devm_* APIs in exynos_drm_gsc.c
drm/exynos: Use devm_clk_get in exynos_drm_rotator.c
drm/exynos: Remove redundant NULL check in exynos_drm_rotator.c
drm/exynos: Remove unnecessary devm_* freeing APIs in exynos_drm_rotator.c
drm/exynos: Use devm_clk_get in exynos_drm_fimc.c
drm/exynos: Remove redundant NULL check
drm/exynos: Remove explicit freeing using devm_* APIs in exynos_drm_fimc.c
drm/exynos: Use devm_kzalloc in exynos_drm_ipp.c
drm/exynos: fix gem buffer allocation type checking
drm/exynos: remove needless parenthesis.
drm/exynos: fix incorrect interrupt induced by m2m operation.
...

drivers/gpu/drm/exynos/exynos_drm_buf.c

···
  * Copyright (c) 2011 Samsung Electronics Co., Ltd.
  * Author: Inki Dae <[e-mail]>
  *
- * 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 (including the next
- * paragraph) 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
- * VA LINUX SYSTEMS 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.
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
  */
 
 #include <drm/drmP.h>
···
 #include "exynos_drm_drv.h"
 #include "exynos_drm_gem.h"
 #include "exynos_drm_buf.h"
+#include "exynos_drm_iommu.h"
 
 static int lowlevel_buffer_allocate(struct drm_device *dev,
 		unsigned int flags, struct exynos_drm_gem_buf *buf)
···
 	 * region will be allocated else physically contiguous
 	 * as possible.
 	 */
-	if (flags & EXYNOS_BO_CONTIG)
+	if (!(flags & EXYNOS_BO_NONCONTIG))
 		dma_set_attr(DMA_ATTR_FORCE_CONTIGUOUS, &buf->dma_attrs);
 
 	/*
···
 	dma_set_attr(attr, &buf->dma_attrs);
 	dma_set_attr(DMA_ATTR_NO_KERNEL_MAPPING, &buf->dma_attrs);
 
-	buf->pages = dma_alloc_attrs(dev->dev, buf->size,
-			&buf->dma_addr, GFP_KERNEL, &buf->dma_attrs);
-	if (!buf->pages) {
-		DRM_ERROR("failed to allocate buffer.\n");
-		return -ENOMEM;
+	nr_pages = buf->size >> PAGE_SHIFT;
+
+	if (!is_drm_iommu_supported(dev)) {
+		dma_addr_t start_addr;
+		unsigned int i = 0;
+
+		buf->pages = kzalloc(sizeof(struct page) * nr_pages,
+					GFP_KERNEL);
+		if (!buf->pages) {
+			DRM_ERROR("failed to allocate pages.\n");
+			return -ENOMEM;
+		}
+
+		buf->kvaddr = dma_alloc_attrs(dev->dev, buf->size,
+					&buf->dma_addr, GFP_KERNEL,
+					&buf->dma_attrs);
+		if (!buf->kvaddr) {
+			DRM_ERROR("failed to allocate buffer.\n");
+			kfree(buf->pages);
+			return -ENOMEM;
+		}
+
+		start_addr = buf->dma_addr;
+		while (i < nr_pages) {
+			buf->pages[i] = phys_to_page(start_addr);
+			start_addr += PAGE_SIZE;
+			i++;
+		}
+	} else {
+
+		buf->pages = dma_alloc_attrs(dev->dev, buf->size,
+					&buf->dma_addr, GFP_KERNEL,
+					&buf->dma_attrs);
+		if (!buf->pages) {
+			DRM_ERROR("failed to allocate buffer.\n");
+			return -ENOMEM;
+		}
 	}
 
-	nr_pages = buf->size >> PAGE_SHIFT;
 	buf->sgt = drm_prime_pages_to_sg(buf->pages, nr_pages);
 	if (!buf->sgt) {
 		DRM_ERROR("failed to get sg table.\n");
···
 	dma_free_attrs(dev->dev, buf->size, buf->pages,
 			(dma_addr_t)buf->dma_addr, &buf->dma_attrs);
 	buf->dma_addr = (dma_addr_t)NULL;
+
+	if (!is_drm_iommu_supported(dev))
+		kfree(buf->pages);
 
 	return ret;
 }
···
 	kfree(buf->sgt);
 	buf->sgt = NULL;
 
-	dma_free_attrs(dev->dev, buf->size, buf->pages,
+	if (!is_drm_iommu_supported(dev)) {
+		dma_free_attrs(dev->dev, buf->size, buf->kvaddr,
 				(dma_addr_t)buf->dma_addr, &buf->dma_attrs);
+		kfree(buf->pages);
+	} else
+		dma_free_attrs(dev->dev, buf->size, buf->pages,
+				(dma_addr_t)buf->dma_addr, &buf->dma_attrs);
+
 	buf->dma_addr = (dma_addr_t)NULL;
 }
 

drivers/gpu/drm/exynos/exynos_drm_buf.h

···
  * Copyright (c) 2011 Samsung Electronics Co., Ltd.
  * Author: Inki Dae <[e-mail]>
  *
- * 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 (including the next
- * paragraph) 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
- * VA LINUX SYSTEMS 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.
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
  */
 
 #ifndef _EXYNOS_DRM_BUF_H_

drivers/gpu/drm/exynos/exynos_drm_connector.c

···
  *	Joonyoung Shim <[e-mail]>
  *	Seung-Woo Kim <[e-mail]>
  *
- * 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 (including the next
- * paragraph) 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
- * VA LINUX SYSTEMS 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.
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
  */
 
 #include <drm/drmP.h>

drivers/gpu/drm/exynos/exynos_drm_connector.h

···
  *	Joonyoung Shim <[e-mail]>
  *	Seung-Woo Kim <[e-mail]>
  *
- * 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 (including the next
- * paragraph) 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
- * VA LINUX SYSTEMS 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.
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
  */
 
 #ifndef _EXYNOS_DRM_CONNECTOR_H_

drivers/gpu/drm/exynos/exynos_drm_core.c

···
  *	Joonyoung Shim <[e-mail]>
  *	Seung-Woo Kim <[e-mail]>
  *
- * 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 (including the next
- * paragraph) 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
- * VA LINUX SYSTEMS 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.
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
  */
 
 #include <drm/drmP.h>

drivers/gpu/drm/exynos/exynos_drm_crtc.c

···
  *	Joonyoung Shim <[e-mail]>
  *	Seung-Woo Kim <[e-mail]>
  *
- * 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 (including the next
- * paragraph) 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
- * VA LINUX SYSTEMS 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.
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
  */
 
 #include <drm/drmP.h>
···
 
 	exynos_drm_fn_encoder(private->crtc[crtc], &crtc,
 			exynos_drm_disable_vblank);
+}
+
+void exynos_drm_crtc_finish_pageflip(struct drm_device *dev, int crtc)
+{
+	struct exynos_drm_private *dev_priv = dev->dev_private;
+	struct drm_pending_vblank_event *e, *t;
+	struct timeval now;
+	unsigned long flags;
+
+	DRM_DEBUG_KMS("%s\n", __FILE__);
+
+	spin_lock_irqsave(&dev->event_lock, flags);
+
+	list_for_each_entry_safe(e, t, &dev_priv->pageflip_event_list,
+			base.link) {
+		/* if event's pipe isn't same as crtc then ignore it. */
+		if (crtc != e->pipe)
+			continue;
+
+		do_gettimeofday(&now);
+		e->event.sequence = 0;
+		e->event.tv_sec = now.tv_sec;
+		e->event.tv_usec = now.tv_usec;
+
+		list_move_tail(&e->base.link, &e->base.file_priv->event_list);
+		wake_up_interruptible(&e->base.file_priv->event_wait);
+		drm_vblank_put(dev, crtc);
+	}
+
+	spin_unlock_irqrestore(&dev->event_lock, flags);
 }

drivers/gpu/drm/exynos/exynos_drm_crtc.h

···
  *	Joonyoung Shim <[e-mail]>
  *	Seung-Woo Kim <[e-mail]>
  *
- * 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 (including the next
- * paragraph) 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
- * VA LINUX SYSTEMS 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.
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
  */
 
 #ifndef _EXYNOS_DRM_CRTC_H_
···
 int exynos_drm_crtc_create(struct drm_device *dev, unsigned int nr);
 int exynos_drm_crtc_enable_vblank(struct drm_device *dev, int crtc);
 void exynos_drm_crtc_disable_vblank(struct drm_device *dev, int crtc);
+void exynos_drm_crtc_finish_pageflip(struct drm_device *dev, int crtc);
 
 #endif

drivers/gpu/drm/exynos/exynos_drm_dmabuf.c

···
  * Copyright (c) 2012 Samsung Electronics Co., Ltd.
  * Author: Inki Dae <[e-mail]>
  *
- * 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 (including the next
- * paragraph) 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
- * VA LINUX SYSTEMS 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.
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
  */
 
 #include <drm/drmP.h>
···
 	struct exynos_drm_gem_obj *exynos_gem_obj = to_exynos_gem_obj(obj);
 
 	return dma_buf_export(exynos_gem_obj, &exynos_dmabuf_ops,
-				exynos_gem_obj->base.size, 0600);
+				exynos_gem_obj->base.size, flags);
 }
 
 struct drm_gem_object *exynos_dmabuf_prime_import(struct drm_device *drm_dev,
···
 
 		/* is it from our device? */
 		if (obj->dev == drm_dev) {
+			/*
+			 * Importing dmabuf exported from out own gem increases
+			 * refcount on gem itself instead of f_count of dmabuf.
+			 */
 			drm_gem_object_reference(obj);
+			dma_buf_put(dma_buf);
 			return obj;
 		}
 	}

drivers/gpu/drm/exynos/exynos_drm_dmabuf.h

···
  * Copyright (c) 2012 Samsung Electronics Co., Ltd.
  * Author: Inki Dae <[e-mail]>
  *
- * 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 (including the next
- * paragraph) 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
- * VA LINUX SYSTEMS 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.
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
  */
 
 #ifndef _EXYNOS_DRM_DMABUF_H_

drivers/gpu/drm/exynos/exynos_drm_drv.c

···
  *	Joonyoung Shim <[e-mail]>
  *	Seung-Woo Kim <[e-mail]>
  *
- * 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 (including the next
- * paragraph) 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
- * VA LINUX SYSTEMS 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.
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
  */
 
 #include <drm/drmP.h>

drivers/gpu/drm/exynos/exynos_drm_drv.h

···
  *	Joonyoung Shim <[e-mail]>
  *	Seung-Woo Kim <[e-mail]>
  *
- * 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 (including the next
- * paragraph) 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
- * VA LINUX SYSTEMS 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.
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
  */
 
 #ifndef _EXYNOS_DRM_DRV_H_

drivers/gpu/drm/exynos/exynos_drm_encoder.c

···
  *	Joonyoung Shim <[e-mail]>
  *	Seung-Woo Kim <[e-mail]>
  *
- * 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 (including the next
- * paragraph) 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
- * VA LINUX SYSTEMS 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.
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
  */
 
 #include <drm/drmP.h>

drivers/gpu/drm/exynos/exynos_drm_encoder.h

···
  *	Joonyoung Shim <[e-mail]>
  *	Seung-Woo Kim <[e-mail]>
  *
- * 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 (including the next
- * paragraph) 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
- * VA LINUX SYSTEMS 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.
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
  */
 
 #ifndef _EXYNOS_DRM_ENCODER_H_

drivers/gpu/drm/exynos/exynos_drm_fb.c

···
  *	Joonyoung Shim <[e-mail]>
  *	Seung-Woo Kim <[e-mail]>
  *
- * 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 (including the next
- * paragraph) 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
- * VA LINUX SYSTEMS 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.
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
  */
 
 #include <drm/drmP.h>

drivers/gpu/drm/exynos/exynos_drm_fb.h

···
  *	Joonyoung Shim <[e-mail]>
  *	Seung-Woo Kim <[e-mail]>
  *
- * 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 (including the next
- * paragraph) 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
- * VA LINUX SYSTEMS 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.
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
  */
 
 #ifndef _EXYNOS_DRM_FB_H_

drivers/gpu/drm/exynos/exynos_drm_fbdev.c

···
  *	Joonyoung Shim <[e-mail]>
  *	Seung-Woo Kim <[e-mail]>
  *
- * 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 (including the next
- * paragraph) 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
- * VA LINUX SYSTEMS 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.
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
  */
 
 #include <drm/drmP.h>
···
 #include "exynos_drm_drv.h"
 #include "exynos_drm_fb.h"
 #include "exynos_drm_gem.h"
+#include "exynos_drm_iommu.h"
 
 #define MAX_CONNECTOR		4
 #define PREFERRED_BPP		32
···
 
 	/* map pages with kernel virtual space. */
 	if (!buffer->kvaddr) {
-		unsigned int nr_pages = buffer->size >> PAGE_SHIFT;
-		buffer->kvaddr = vmap(buffer->pages, nr_pages, VM_MAP,
+		if (is_drm_iommu_supported(dev)) {
+			unsigned int nr_pages = buffer->size >> PAGE_SHIFT;
+
+			buffer->kvaddr = vmap(buffer->pages, nr_pages, VM_MAP,
 					pgprot_writecombine(PAGE_KERNEL));
+		} else {
+			phys_addr_t dma_addr = buffer->dma_addr;
+			if (dma_addr)
+				buffer->kvaddr = phys_to_virt(dma_addr);
+			else
+				buffer->kvaddr = (void __iomem *)NULL;
+		}
 		if (!buffer->kvaddr) {
 			DRM_ERROR("failed to map pages to kernel space.\n");
 			return -EIO;
···
 
 	dev->mode_config.fb_base = (resource_size_t)buffer->dma_addr;
 	fbi->screen_base = buffer->kvaddr + offset;
-	fbi->fix.smem_start = (unsigned long)
+	if (is_drm_iommu_supported(dev))
+		fbi->fix.smem_start = (unsigned long)
 			(page_to_phys(sg_page(buffer->sgt->sgl)) + offset);
+	else
+		fbi->fix.smem_start = (unsigned long)buffer->dma_addr;
+
 	fbi->screen_size = size;
 	fbi->fix.smem_len = size;
 
···
 	struct exynos_drm_gem_obj *exynos_gem_obj = exynos_fbd->exynos_gem_obj;
 	struct drm_framebuffer *fb;
 
-	if (exynos_gem_obj->buffer->kvaddr)
+	if (is_drm_iommu_supported(dev) && exynos_gem_obj->buffer->kvaddr)
 		vunmap(exynos_gem_obj->buffer->kvaddr);
 
 	/* release drm framebuffer and real buffer */

drivers/gpu/drm/exynos/exynos_drm_fbdev.h

···
  *	Joonyoung Shim <[e-mail]>
  *	Seung-Woo Kim <[e-mail]>
  *
- * 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 (including the next
- * paragraph) 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
- * VA LINUX SYSTEMS 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.
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
  */
 
 #ifndef _EXYNOS_DRM_FBDEV_H_

drivers/gpu/drm/exynos/exynos_drm_fimc.c

···
 #include "exynos_drm_fimc.h"
 
 /*
- * FIMC is stand for Fully Interactive Mobile Camera and
+ * FIMC stands for Fully Interactive Mobile Camera and
  * supports image scaler/rotator and input/output DMA operations.
  * input DMA reads image data from the memory.
  * output DMA writes image data to memory.
···
 	bool	suspended;
 };
 
-static void fimc_sw_reset(struct fimc_context *ctx, bool pattern)
+static void fimc_sw_reset(struct fimc_context *ctx)
 {
 	u32 cfg;
 
-	DRM_DEBUG_KMS("%s:pattern[%d]\n", __func__, pattern);
+	DRM_DEBUG_KMS("%s\n", __func__);
+
+	/* stop dma operation */
+	cfg = fimc_read(EXYNOS_CISTATUS);
+	if (EXYNOS_CISTATUS_GET_ENVID_STATUS(cfg)) {
+		cfg = fimc_read(EXYNOS_MSCTRL);
+		cfg &= ~EXYNOS_MSCTRL_ENVID;
+		fimc_write(cfg, EXYNOS_MSCTRL);
+	}
 
 	cfg = fimc_read(EXYNOS_CISRCFMT);
 	cfg |= EXYNOS_CISRCFMT_ITU601_8BIT;
-	if (pattern)
-		cfg |= EXYNOS_CIGCTRL_TESTPATTERN_COLOR_BAR;
-
 	fimc_write(cfg, EXYNOS_CISRCFMT);
+
+	/* disable image capture */
+	cfg = fimc_read(EXYNOS_CIIMGCPT);
+	cfg &= ~(EXYNOS_CIIMGCPT_IMGCPTEN_SC | EXYNOS_CIIMGCPT_IMGCPTEN);
+	fimc_write(cfg, EXYNOS_CIIMGCPT);
 
 	/* s/w reset */
 	cfg = fimc_read(EXYNOS_CIGCTRL);
···
 {
 	struct fimc_context *ctx = get_fimc_context(dev);
 	struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv;
-	struct drm_exynos_ipp_cmd_node *c_node = ippdrv->cmd;
+	struct drm_exynos_ipp_cmd_node *c_node = ippdrv->c_node;
 	struct drm_exynos_ipp_property *property;
 	struct drm_exynos_ipp_config *config;
 
···
 	}
 
 	property = &c_node->property;
-	if (!property) {
-		DRM_ERROR("failed to get property.\n");
-		return -EINVAL;
-	}
 
 	DRM_DEBUG_KMS("%s:prop_id[%d]buf_id[%d]buf_type[%d]\n", __func__,
 		property->prop_id, buf_id, buf_type);
···
 	}
 
 	/* sequence id */
-	cfg &= (~mask);
+	cfg &= ~mask;
 	cfg |= (enable << buf_id);
 	fimc_write(cfg, EXYNOS_CIFCNTSEQ);
 
···
 {
 	struct fimc_context *ctx = get_fimc_context(dev);
 	struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv;
-	struct drm_exynos_ipp_cmd_node *c_node = ippdrv->cmd;
+	struct drm_exynos_ipp_cmd_node *c_node = ippdrv->c_node;
 	struct drm_exynos_ipp_property *property;
 	struct drm_exynos_ipp_config *config;
 
···
 	}
 
 	property = &c_node->property;
-	if (!property) {
-		DRM_ERROR("failed to get property.\n");
-		return -EINVAL;
-	}
 
 	DRM_DEBUG_KMS("%s:prop_id[%d]buf_id[%d]buf_type[%d]\n", __func__,
 		property->prop_id, buf_id, buf_type);
···
 {
 	struct fimc_context *ctx = dev_id;
 	struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv;
-	struct drm_exynos_ipp_cmd_node *c_node = ippdrv->cmd;
+	struct drm_exynos_ipp_cmd_node *c_node = ippdrv->c_node;
 	struct drm_exynos_ipp_event_work *event_work =
 		c_node->event_work;
 	int buf_id;
···
 	case EXYNOS_DRM_FLIP_NONE:
 	case EXYNOS_DRM_FLIP_VERTICAL:
 	case EXYNOS_DRM_FLIP_HORIZONTAL:
+	case EXYNOS_DRM_FLIP_BOTH:
 		return true;
 	default:
 		DRM_DEBUG_KMS("%s:invalid flip\n", __func__);
···
 	DRM_DEBUG_KMS("%s\n", __func__);
 
 	/* reset h/w block */
-	fimc_sw_reset(ctx, false);
+	fimc_sw_reset(ctx);
 
 	/* reset scaler capability */
 	memset(&ctx->sc, 0x0, sizeof(ctx->sc));
···
 {
 	struct fimc_context *ctx = get_fimc_context(dev);
 	struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv;
-	struct drm_exynos_ipp_cmd_node *c_node = ippdrv->cmd;
+	struct drm_exynos_ipp_cmd_node *c_node = ippdrv->c_node;
 	struct drm_exynos_ipp_property *property;
 	struct drm_exynos_ipp_config *config;
 	struct drm_exynos_pos	img_pos[EXYNOS_DRM_OPS_MAX];
···
 	}
 
 	property = &c_node->property;
-	if (!property) {
-		DRM_ERROR("failed to get property.\n");
-		return -EINVAL;
-	}
 
 	fimc_handle_irq(ctx, true, false, true);
 
···
 		platform_get_device_id(pdev)->driver_data;
 
 	/* clock control */
-	ctx->sclk_fimc_clk = clk_get(dev, "sclk_fimc");
+	ctx->sclk_fimc_clk = devm_clk_get(dev, "sclk_fimc");
 	if (IS_ERR(ctx->sclk_fimc_clk)) {
 		dev_err(dev, "failed to get src fimc clock.\n");
-		ret = PTR_ERR(ctx->sclk_fimc_clk);
-		goto err_ctx;
+		return PTR_ERR(ctx->sclk_fimc_clk);
 	}
 	clk_enable(ctx->sclk_fimc_clk);
 
-	ctx->fimc_clk = clk_get(dev, "fimc");
+	ctx->fimc_clk = devm_clk_get(dev, "fimc");
 	if (IS_ERR(ctx->fimc_clk)) {
 		dev_err(dev, "failed to get fimc clock.\n");
-		ret = PTR_ERR(ctx->fimc_clk);
 		clk_disable(ctx->sclk_fimc_clk);
-		clk_put(ctx->sclk_fimc_clk);
-		goto err_ctx;
+		return PTR_ERR(ctx->fimc_clk);
 	}
 
-	ctx->wb_clk = clk_get(dev, "pxl_async0");
+	ctx->wb_clk = devm_clk_get(dev, "pxl_async0");
 	if (IS_ERR(ctx->wb_clk)) {
 		dev_err(dev, "failed to get writeback a clock.\n");
-		ret = PTR_ERR(ctx->wb_clk);
 		clk_disable(ctx->sclk_fimc_clk);
-		clk_put(ctx->sclk_fimc_clk);
-		clk_put(ctx->fimc_clk);
-		goto err_ctx;
+		return PTR_ERR(ctx->wb_clk);
 	}
 
-	ctx->wb_b_clk = clk_get(dev, "pxl_async1");
+	ctx->wb_b_clk = devm_clk_get(dev, "pxl_async1");
 	if (IS_ERR(ctx->wb_b_clk)) {
 		dev_err(dev, "failed to get writeback b clock.\n");
-		ret = PTR_ERR(ctx->wb_b_clk);
 		clk_disable(ctx->sclk_fimc_clk);
-		clk_put(ctx->sclk_fimc_clk);
-		clk_put(ctx->fimc_clk);
-		clk_put(ctx->wb_clk);
-		goto err_ctx;
+		return PTR_ERR(ctx->wb_b_clk);
 	}
 
-	parent_clk = clk_get(dev, ddata->parent_clk);
+	parent_clk = devm_clk_get(dev, ddata->parent_clk);
 
 	if (IS_ERR(parent_clk)) {
 		dev_err(dev, "failed to get parent clock.\n");
-		ret = PTR_ERR(parent_clk);
 		clk_disable(ctx->sclk_fimc_clk);
-		clk_put(ctx->sclk_fimc_clk);
-		clk_put(ctx->fimc_clk);
-		clk_put(ctx->wb_clk);
-		clk_put(ctx->wb_b_clk);
-		goto err_ctx;
+		return PTR_ERR(parent_clk);
 	}
 
 	if (clk_set_parent(ctx->sclk_fimc_clk, parent_clk)) {
 		dev_err(dev, "failed to set parent.\n");
-		ret = -EINVAL;
-		clk_put(parent_clk);
 		clk_disable(ctx->sclk_fimc_clk);
-		clk_put(ctx->sclk_fimc_clk);
-		clk_put(ctx->fimc_clk);
-		clk_put(ctx->wb_clk);
-		clk_put(ctx->wb_b_clk);
-		goto err_ctx;
+		return -EINVAL;
 	}
 
-	clk_put(parent_clk);
+	devm_clk_put(dev, parent_clk);
 	clk_set_rate(ctx->sclk_fimc_clk, pdata->clk_rate);
 
 	/* resource memory */
 	ctx->regs_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!ctx->regs_res) {
-		dev_err(dev, "failed to find registers.\n");
-		ret = -ENOENT;
-		goto err_clk;
-	}
-
 	ctx->regs = devm_request_and_ioremap(dev, ctx->regs_res);
 	if (!ctx->regs) {
 		dev_err(dev, "failed to map registers.\n");
-		ret = -ENXIO;
-		goto err_clk;
+		return -ENXIO;
 	}
 
 	/* resource irq */
 	res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
 	if (!res) {
 		dev_err(dev, "failed to request irq resource.\n");
-		ret = -ENOENT;
-		goto err_get_regs;
+		return -ENOENT;
 	}
 
 	ctx->irq = res->start;
···
 		IRQF_ONESHOT, "drm_fimc", ctx);
 	if (ret < 0) {
 		dev_err(dev, "failed to request irq.\n");
-		goto err_get_regs;
+		return ret;
 	}
 
 	/* context initailization */
···
 	pm_runtime_disable(dev);
 err_get_irq:
 	free_irq(ctx->irq, ctx);
-err_get_regs:
-	devm_iounmap(dev, ctx->regs);
-err_clk:
-	clk_put(ctx->sclk_fimc_clk);
-	clk_put(ctx->fimc_clk);
-	clk_put(ctx->wb_clk);
-	clk_put(ctx->wb_b_clk);
-err_ctx:
-	devm_kfree(dev, ctx);
+
 	return ret;
 }
 
···
 	pm_runtime_disable(dev);
 
 	free_irq(ctx->irq, ctx);
-	devm_iounmap(dev, ctx->regs);
-
-	clk_put(ctx->sclk_fimc_clk);
-	clk_put(ctx->fimc_clk);
-	clk_put(ctx->wb_clk);
-	clk_put(ctx->wb_b_clk);
-
-	devm_kfree(dev, ctx);
 
 	return 0;
 }

drivers/gpu/drm/exynos/exynos_drm_fimc.h

···
  *	Jinyoung Jeon <[e-mail]>
  *	Sangmin Lee <[e-mail]>
  *
- * 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 (including the next
- * paragraph) 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
- * VA LINUX SYSTEMS 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.
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
  */
 
 #ifndef _EXYNOS_DRM_FIMC_H_

drivers/gpu/drm/exynos/exynos_drm_fimd.c

···
 	.display_ops	= &fimd_display_ops,
 };
 
-static void fimd_finish_pageflip(struct drm_device *drm_dev, int crtc)
-{
-	struct exynos_drm_private *dev_priv = drm_dev->dev_private;
-	struct drm_pending_vblank_event *e, *t;
-	struct timeval now;
-	unsigned long flags;
-
-	spin_lock_irqsave(&drm_dev->event_lock, flags);
-
-	list_for_each_entry_safe(e, t, &dev_priv->pageflip_event_list,
-			base.link) {
-		/* if event's pipe isn't same as crtc then ignore it. */
-		if (crtc != e->pipe)
-			continue;
-
-		do_gettimeofday(&now);
-		e->event.sequence = 0;
-		e->event.tv_sec = now.tv_sec;
-		e->event.tv_usec = now.tv_usec;
-
-		list_move_tail(&e->base.link, &e->base.file_priv->event_list);
-		wake_up_interruptible(&e->base.file_priv->event_wait);
-		drm_vblank_put(drm_dev, crtc);
-	}
-
-	spin_unlock_irqrestore(&drm_dev->event_lock, flags);
-}
-
 static irqreturn_t fimd_irq_handler(int irq, void *dev_id)
 {
 	struct fimd_context *ctx = (struct fimd_context *)dev_id;
···
 		goto out;
 
 	drm_handle_vblank(drm_dev, manager->pipe);
-	fimd_finish_pageflip(drm_dev, manager->pipe);
+	exynos_drm_crtc_finish_pageflip(drm_dev, manager->pipe);
 
 	/* set wait vsync event to zero and wake up queue. */
 	if (atomic_read(&ctx->wait_vsync_event)) {
···
 	 * of pm runtime would still be 1 so in this case, fimd driver
 	 * should be on directly not drawing on pm runtime interface.
 	 */
-	if (pm_runtime_suspended(dev)) {
+	if (!pm_runtime_suspended(dev)) {
 		int ret;
 
 		ret = fimd_activate(ctx, true);

drivers/gpu/drm/exynos/exynos_drm_gem.c

···
  * Copyright (c) 2011 Samsung Electronics Co., Ltd.
  * Author: Inki Dae <[e-mail]>
  *
- * 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 (including the next
- * paragraph) 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
- * VA LINUX SYSTEMS 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.
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
  */
 
 #include <drm/drmP.h>

drivers/gpu/drm/exynos/exynos_drm_gem.h

···
  * Copyright (c) 2011 Samsung Electronics Co., Ltd.
  * Authoer: Inki Dae <[e-mail]>
  *
- * 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 (including the next
- * paragraph) 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
- * VA LINUX SYSTEMS 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.
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
  */
 
 #ifndef _EXYNOS_DRM_GEM_H_

drivers/gpu/drm/exynos/exynos_drm_gsc.c

···
 #include "exynos_drm_gsc.h"
 
 /*
- * GSC is stand for General SCaler and
+ * GSC stands for General SCaler and
  * supports image scaler/rotator and input/output DMA operations.
  * input DMA reads image data from the memory.
  * output DMA writes image data to memory.
···
 {
 	struct gsc_context *ctx = get_gsc_context(dev);
 	struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv;
-	struct drm_exynos_ipp_cmd_node *c_node = ippdrv->cmd;
+	struct drm_exynos_ipp_cmd_node *c_node = ippdrv->c_node;
 	struct drm_exynos_ipp_property *property;
 
 	if (!c_node) {
···
 	}
 
 	property = &c_node->property;
-	if (!property) {
-		DRM_ERROR("failed to get property.\n");
-		return -EFAULT;
-	}
 
 	DRM_DEBUG_KMS("%s:prop_id[%d]buf_id[%d]buf_type[%d]\n", __func__,
 		property->prop_id, buf_id, buf_type);
···
 {
 	struct gsc_context *ctx = get_gsc_context(dev);
 	struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv;
-	struct drm_exynos_ipp_cmd_node *c_node = ippdrv->cmd;
+	struct drm_exynos_ipp_cmd_node *c_node = ippdrv->c_node;
 	struct drm_exynos_ipp_property *property;
 
 	if (!c_node) {
···
 	}
 
 	property = &c_node->property;
-	if (!property) {
-		DRM_ERROR("failed to get property.\n");
-		return -EFAULT;
-	}
 
 	DRM_DEBUG_KMS("%s:prop_id[%d]buf_id[%d]buf_type[%d]\n", __func__,
 		property->prop_id, buf_id, buf_type);
···
 {
 	struct gsc_context *ctx = dev_id;
 	struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv;
-	struct drm_exynos_ipp_cmd_node *c_node = ippdrv->cmd;
+	struct drm_exynos_ipp_cmd_node *c_node = ippdrv->c_node;
 	struct drm_exynos_ipp_event_work *event_work =
 		c_node->event_work;
 	u32 status;
···
 	case EXYNOS_DRM_FLIP_NONE:
 	case EXYNOS_DRM_FLIP_VERTICAL:
 	case EXYNOS_DRM_FLIP_HORIZONTAL:
-	case EXYNOS_DRM_FLIP_VERTICAL | EXYNOS_DRM_FLIP_HORIZONTAL:
+	case EXYNOS_DRM_FLIP_BOTH:
 		return true;
 	default:
 		DRM_DEBUG_KMS("%s:invalid flip\n", __func__);
···
 {
 	struct gsc_context *ctx = get_gsc_context(dev);
 	struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv;
-	struct drm_exynos_ipp_cmd_node *c_node = ippdrv->cmd;
+	struct drm_exynos_ipp_cmd_node *c_node = ippdrv->c_node;
 	struct drm_exynos_ipp_property *property;
 	struct drm_exynos_ipp_config *config;
 	struct drm_exynos_pos	img_pos[EXYNOS_DRM_OPS_MAX];
···
 	}
 
 	property = &c_node->property;
-	if (!property) {
-		DRM_ERROR("failed to get property.\n");
-		return -EINVAL;
-	}
 
 	gsc_handle_irq(ctx, true, false, true);
 
···
 		exynos_drm_ippnb_send_event(IPP_SET_WRITEBACK, (void *)&set_wb);
 
 		/* src local path */
-		cfg = readl(GSC_IN_CON);
+		cfg = gsc_read(GSC_IN_CON);
 		cfg &= ~(GSC_IN_PATH_MASK | GSC_IN_LOCAL_SEL_MASK);
 		cfg |= (GSC_IN_PATH_LOCAL | GSC_IN_LOCAL_FIMD_WB);
 		gsc_write(cfg, GSC_IN_CON);
···
 		return -ENOMEM;
 
 	/* clock control */
-	ctx->gsc_clk = clk_get(dev, "gscl");
+	ctx->gsc_clk = devm_clk_get(dev, "gscl");
 	if (IS_ERR(ctx->gsc_clk)) {
 		dev_err(dev, "failed to get gsc clock.\n");
-		ret = PTR_ERR(ctx->gsc_clk);
-		goto err_ctx;
+		return PTR_ERR(ctx->gsc_clk);
 	}
 
 	/* resource memory */
 	ctx->regs_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!ctx->regs_res) {
-		dev_err(dev, "failed to find registers.\n");
-		ret = -ENOENT;
-		goto err_clk;
-	}
-
 	ctx->regs = devm_request_and_ioremap(dev, ctx->regs_res);
 	if (!ctx->regs) {
 		dev_err(dev, "failed to map registers.\n");
-		ret = -ENXIO;
-		goto err_clk;
+		return -ENXIO;
 	}
 
 	/* resource irq */
 	res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
 	if (!res) {
 		dev_err(dev, "failed to request irq resource.\n");
-		ret = -ENOENT;
-		goto err_get_regs;
+		return -ENOENT;
 	}
 
 	ctx->irq = res->start;
···
 		IRQF_ONESHOT, "drm_gsc", ctx);
 	if (ret < 0) {
 		dev_err(dev, "failed to request irq.\n");
-		goto err_get_regs;
+		return ret;
 	}
 
 	/* context initailization */
···
 	pm_runtime_disable(dev);
 err_get_irq:
 	free_irq(ctx->irq, ctx);
-err_get_regs:
-	devm_iounmap(dev, ctx->regs);
-err_clk:
-	clk_put(ctx->gsc_clk);
-err_ctx:
-	devm_kfree(dev, ctx);
 	return ret;
 }
 
···
 	pm_runtime_disable(dev);
 
 	free_irq(ctx->irq, ctx);
-	devm_iounmap(dev, ctx->regs);
-
-	clk_put(ctx->gsc_clk);
-
-	devm_kfree(dev, ctx);
 
 	return 0;
 }

drivers/gpu/drm/exynos/exynos_drm_gsc.h

···
  *	Jinyoung Jeon <[e-mail]>
  *	Sangmin Lee <[e-mail]>
  *
- * 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 (including the next
- * paragraph) 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
- * VA LINUX SYSTEMS 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.
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
  */
 
 #ifndef _EXYNOS_DRM_GSC_H_

drivers/gpu/drm/exynos/exynos_drm_hdmi.h

···
  * Copyright (c) 2011 Samsung Electronics Co., Ltd.
  * Authoer: Inki Dae <[e-mail]>
  *
- * 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 (including the next
- * paragraph) 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
- * VA LINUX SYSTEMS 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.
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
  */
 
 #ifndef _EXYNOS_DRM_HDMI_H_

drivers/gpu/drm/exynos/exynos_drm_iommu.c

···
  * Copyright (c) 2012 Samsung Electronics Co., Ltd.
  * Author: Inki Dae <[e-mail]>
  *
- * 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 (including the next
- * paragraph) 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
- * VA LINUX SYSTEMS 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.
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
  */
 
 #include <drmP.h>

drivers/gpu/drm/exynos/exynos_drm_iommu.h

···
  * Copyright (c) 2012 Samsung Electronics Co., Ltd.
  * Authoer: Inki Dae <[e-mail]>
  *
- * 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 (including the next
- * paragraph) 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
- * VA LINUX SYSTEMS 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.
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
  */
 
 #ifndef _EXYNOS_DRM_IOMMU_H_

drivers/gpu/drm/exynos/exynos_drm_ipp.c

···
 #include "exynos_drm_iommu.h"
 
 /*
- * IPP is stand for Image Post Processing and
+ * IPP stands for Image Post Processing and
  * supports image scaler/rotator and input/output DMA operations.
  * using FIMC, GSC, Rotator, so on.
  * IPP is integration device driver of same attribute h/w
···
 	DRM_DEBUG_KMS("%s:prop_id[%d]\n", __func__, property->prop_id);
 
 	/* store command info in ippdrv */
-	ippdrv->cmd = c_node;
+	ippdrv->c_node = c_node;
 
 	if (!ipp_check_mem_list(c_node)) {
 		DRM_DEBUG_KMS("%s:empty memory.\n", __func__);
···
 	ret = ipp_set_property(ippdrv, property);
 	if (ret) {
 		DRM_ERROR("failed to set property.\n");
-		ippdrv->cmd = NULL;
+		ippdrv->c_node = NULL;
 		return ret;
 	}
 
···
 	mutex_lock(&c_node->cmd_lock);
 
 	property = &c_node->property;
-	if (!property) {
-		DRM_ERROR("failed to get property:prop_id[%d]\n",
-			c_node->property.prop_id);
-		goto err_unlock;
-	}
 
 	switch (cmd_work->ctrl) {
 	case IPP_CTRL_PLAY:
···
 		return;
 	}
 
-	c_node = ippdrv->cmd;
+	c_node = ippdrv->c_node;
 	if (!c_node) {
 		DRM_ERROR("failed to get command node.\n");
 		return;
···
 	struct exynos_drm_subdrv *subdrv;
 	int ret;
 
-	ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
+	ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
 	if (!ctx)
 		return -ENOMEM;
 
···
 	ctx->event_workq = create_singlethread_workqueue("ipp_event");
 	if (!ctx->event_workq) {
 		dev_err(dev, "failed to create event workqueue\n");
-		ret = -EINVAL;
-		goto err_clear;
+		return -EINVAL;
 	}
 
 	/*
···
 	destroy_workqueue(ctx->cmd_workq);
 err_event_workq:
 	destroy_workqueue(ctx->event_workq);
-err_clear:
-	kfree(ctx);
 	return ret;
 }
 
···
 	/* destroy command, event work queue */
 	destroy_workqueue(ctx->cmd_workq);
 	destroy_workqueue(ctx->event_workq);
-
-	kfree(ctx);
 
 	return 0;
 }

drivers/gpu/drm/exynos/exynos_drm_ipp.h

···
  *	Jinyoung Jeon <[e-mail]>
  *	Sangmin Lee <[e-mail]>
  *
- * 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 (including the next
- * paragraph) 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
- * VA LINUX SYSTEMS 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.
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
  */
 
 #ifndef _EXYNOS_DRM_IPP_H_
···
  * @dedicated: dedicated ipp device.
  * @ops: source, destination operations.
  * @event_workq: event work queue.
- * @cmd: current command information.
+ * @c_node: current command information.
  * @cmd_list: list head for command information.
  * @prop_list: property informations of current ipp driver.
  * @check_property: check property about format, size, buffer.
···
 	bool	dedicated;
 	struct exynos_drm_ipp_ops	*ops[EXYNOS_DRM_OPS_MAX];
 	struct workqueue_struct	*event_workq;
-	struct drm_exynos_ipp_cmd_node *cmd;
+	struct drm_exynos_ipp_cmd_node *c_node;
 	struct list_head	cmd_list;
 	struct drm_exynos_ipp_prop_list *prop_list;
 

drivers/gpu/drm/exynos/exynos_drm_rotator.c

···
 {
 	struct rot_context *rot = arg;
 	struct exynos_drm_ippdrv *ippdrv = &rot->ippdrv;
-	struct drm_exynos_ipp_cmd_node *c_node = ippdrv->cmd;
+	struct drm_exynos_ipp_cmd_node *c_node = ippdrv->c_node;
 	struct drm_exynos_ipp_event_work *event_work = c_node->event_work;
 	enum rot_irq_status irq_status;
 	u32 val;
···
 	case EXYNOS_DRM_FLIP_NONE:
 	case EXYNOS_DRM_FLIP_VERTICAL:
 	case EXYNOS_DRM_FLIP_HORIZONTAL:
+	case EXYNOS_DRM_FLIP_BOTH:
 		return true;
 	default:
 		DRM_DEBUG_KMS("%s:invalid flip\n", __func__);
···
 				platform_get_device_id(pdev)->driver_data;
 
 	rot->regs_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!rot->regs_res) {
-		dev_err(dev, "failed to find registers\n");
-		ret = -ENOENT;
-		goto err_get_resource;
-	}
-
 	rot->regs = devm_request_and_ioremap(dev, rot->regs_res);
 	if (!rot->regs) {
 		dev_err(dev, "failed to map register\n");
-		ret = -ENXIO;
-		goto err_get_resource;
+		return -ENXIO;
 	}
 
 	rot->irq = platform_get_irq(pdev, 0);
 	if (rot->irq < 0) {
 		dev_err(dev, "failed to get irq\n");
-		ret = rot->irq;
-		goto err_get_irq;
+		return rot->irq;
 	}
 
 	ret = request_threaded_irq(rot->irq, NULL, rotator_irq_handler,
 			IRQF_ONESHOT, "drm_rotator", rot);
 	if (ret < 0) {
 		dev_err(dev, "failed to request irq\n");
-		goto err_get_irq;
+		return ret;
 	}
 
-	rot->clock = clk_get(dev, "rotator");
+	rot->clock = devm_clk_get(dev, "rotator");
 	if (IS_ERR_OR_NULL(rot->clock)) {
 		dev_err(dev, "failed to get clock\n");
 		ret = PTR_ERR(rot->clock);
···
 err_ippdrv_register:
 	devm_kfree(dev, ippdrv->prop_list);
 	pm_runtime_disable(dev);
-	clk_put(rot->clock);
 err_clk_get:
 	free_irq(rot->irq, rot);
-err_get_irq:
-	devm_iounmap(dev, rot->regs);
-err_get_resource:
-	devm_kfree(dev, rot);
 	return ret;
 }
 
···
 	exynos_drm_ippdrv_unregister(ippdrv);
 
 	pm_runtime_disable(dev);
-	clk_put(rot->clock);
 
 	free_irq(rot->irq, rot);
-	devm_iounmap(dev, rot->regs);
-
-	devm_kfree(dev, rot);
 
 	return 0;
 }

drivers/gpu/drm/exynos/exynos_drm_rotator.h

···
  *	YoungJun Cho <[e-mail]>
  *	Eunchul Kim <[e-mail]>
  *
- * 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 (including the next
- * paragraph) 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
- * VA LINUX SYSTEMS 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.
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
  */
 
 #ifndef	_EXYNOS_DRM_ROTATOR_H_

drivers/gpu/drm/exynos/exynos_drm_vidi.c

···
 	.display_ops	= &vidi_display_ops,
 };
 
-static void vidi_finish_pageflip(struct drm_device *drm_dev, int crtc)
-{
-	struct exynos_drm_private *dev_priv = drm_dev->dev_private;
-	struct drm_pending_vblank_event *e, *t;
-	struct timeval now;
-	unsigned long flags;
-
-	spin_lock_irqsave(&drm_dev->event_lock, flags);
-
-	list_for_each_entry_safe(e, t, &dev_priv->pageflip_event_list,
-			base.link) {
-		/* if event's pipe isn't same as crtc then ignore it. */
-		if (crtc != e->pipe)
-			continue;
-
-		do_gettimeofday(&now);
-		e->event.sequence = 0;
-		e->event.tv_sec = now.tv_sec;
-		e->event.tv_usec = now.tv_usec;
-
-		list_move_tail(&e->base.link, &e->base.file_priv->event_list);
-		wake_up_interruptible(&e->base.file_priv->event_wait);
-		drm_vblank_put(drm_dev, crtc);
-	}
-
-	spin_unlock_irqrestore(&drm_dev->event_lock, flags);
-}
-
 static void vidi_fake_vblank_handler(struct work_struct *work)
 {
 	struct vidi_context *ctx = container_of(work, struct vidi_context,
···
 
 	mutex_unlock(&ctx->lock);
 
-	vidi_finish_pageflip(subdrv->drm_dev, manager->pipe);
+	exynos_drm_crtc_finish_pageflip(subdrv->drm_dev, manager->pipe);
 }
 
 static int vidi_subdrv_probe(struct drm_device *drm_dev, struct device *dev)

drivers/gpu/drm/exynos/exynos_drm_vidi.h

···
  * Copyright (c) 2012 Samsung Electronics Co., Ltd.
  * Author: Inki Dae <[e-mail]>
  *
- * 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 (including the next
- * paragraph) 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
- * VA LINUX SYSTEMS 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.
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
  */
 
 #ifndef _EXYNOS_DRM_VIDI_H_

drivers/gpu/drm/exynos/exynos_hdmi.h

···
  *	Inki Dae <[e-mail]>
  *	Seung-Woo Kim <[e-mail]>
  *
- * 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 (including the next
- * paragraph) 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
- * VA LINUX SYSTEMS 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.
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
  */
 
 #ifndef _EXYNOS_HDMI_H_

drivers/gpu/drm/exynos/exynos_mixer.c

···
 #include <drm/exynos_drm.h>
 
 #include "exynos_drm_drv.h"
+#include "exynos_drm_crtc.h"
 #include "exynos_drm_hdmi.h"
 #include "exynos_drm_iommu.h"
 
···
 	.win_disable		= mixer_win_disable,
 };
 
-/* for pageflip event */
-static void mixer_finish_pageflip(struct drm_device *drm_dev, int crtc)
-{
-	struct exynos_drm_private *dev_priv = drm_dev->dev_private;
-	struct drm_pending_vblank_event *e, *t;
-	struct timeval now;
-	unsigned long flags;
-
-	spin_lock_irqsave(&drm_dev->event_lock, flags);
-
-	list_for_each_entry_safe(e, t, &dev_priv->pageflip_event_list,
-			base.link) {
-		/* if event's pipe isn't same as crtc then ignore it. */
-		if (crtc != e->pipe)
-			continue;
-
-		do_gettimeofday(&now);
-		e->event.sequence = 0;
-		e->event.tv_sec = now.tv_sec;
-		e->event.tv_usec = now.tv_usec;
-
-		list_move_tail(&e->base.link, &e->base.file_priv->event_list);
-		wake_up_interruptible(&e->base.file_priv->event_wait);
-		drm_vblank_put(drm_dev, crtc);
-	}
-
-	spin_unlock_irqrestore(&drm_dev->event_lock, flags);
-}
-
 static irqreturn_t mixer_irq_handler(int irq, void *arg)
 {
 	struct exynos_drm_hdmi_context *drm_hdmi_ctx = arg;
···
 		}
 
 		drm_handle_vblank(drm_hdmi_ctx->drm_dev, ctx->pipe);
-		mixer_finish_pageflip(drm_hdmi_ctx->drm_dev, ctx->pipe);
+		exynos_drm_crtc_finish_pageflip(drm_hdmi_ctx->drm_dev,
+				ctx->pipe);
 
 		/* set wait vsync event to zero and wake up queue. */
 		if (atomic_read(&ctx->wait_vsync_event)) {

drivers/gpu/drm/i915/i915_gem_dmabuf.c

···
 		obj = dma_buf->priv;
 		/* is it from our device? */
 		if (obj->base.dev == dev) {
+			/*
+			 * Importing dmabuf exported from out own gem increases
+			 * refcount on gem itself instead of f_count of dmabuf.
+			 */
 			drm_gem_object_reference(&obj->base);
+			dma_buf_put(dma_buf);
 			return &obj->base;
 		}
 	}

drivers/gpu/drm/nouveau/nouveau_prime.c

···
 		if (nvbo->gem) {
 			if (nvbo->gem->dev == dev) {
 				drm_gem_object_reference(nvbo->gem);
+				dma_buf_put(dma_buf);
 				return nvbo->gem;
 			}
 		}

drivers/gpu/drm/radeon/r600.c

···
  * @num_gpu_pages: number of GPU pages to xfer
  * @fence: radeon fence object
  *
- * Copy GPU paging using the DMA engine (r6xx-r7xx).
+ * Copy GPU paging using the DMA engine (r6xx).
  * Used by the radeon ttm implementation to move pages if
  * registered as the asic copy callback.
  */
···
 	}
 
 	size_in_dw = (num_gpu_pages << RADEON_GPU_PAGE_SHIFT) / 4;
-	num_loops = DIV_ROUND_UP(size_in_dw, 0xffff);
-	r = radeon_ring_lock(rdev, ring, num_loops * 5 + 8);
+	num_loops = DIV_ROUND_UP(size_in_dw, 0xFFFE);
+	r = radeon_ring_lock(rdev, ring, num_loops * 4 + 8);
 	if (r) {
 		DRM_ERROR("radeon: moving bo (%d).\n", r);
 		radeon_semaphore_free(rdev, &sem, NULL);
···
 		radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_COPY, 0, 0, cur_size_in_dw));
 		radeon_ring_write(ring, dst_offset & 0xfffffffc);
 		radeon_ring_write(ring, src_offset & 0xfffffffc);
-		radeon_ring_write(ring, upper_32_bits(dst_offset) & 0xff);
-		radeon_ring_write(ring, upper_32_bits(src_offset) & 0xff);
+		radeon_ring_write(ring, (((upper_32_bits(dst_offset) & 0xff) << 16) |
+					 (upper_32_bits(src_offset) & 0xff)));
 		src_offset += cur_size_in_dw * 4;
 		dst_offset += cur_size_in_dw * 4;
 	}

drivers/gpu/drm/radeon/r600_cs.c

···
 				}
 				p->idx += 7;
 			} else {
-				src_offset = ib[idx+2];
-				src_offset |= ((u64)(ib[idx+4] & 0xff)) << 32;
-				dst_offset = ib[idx+1];
-				dst_offset |= ((u64)(ib[idx+3] & 0xff)) << 32;
+				if (p->family >= CHIP_RV770) {
+					src_offset = ib[idx+2];
+					src_offset |= ((u64)(ib[idx+4] & 0xff)) << 32;
+					dst_offset = ib[idx+1];
+					dst_offset |= ((u64)(ib[idx+3] & 0xff)) << 32;
 
-				ib[idx+1] += (u32)(dst_reloc->lobj.gpu_offset & 0xfffffffc);
-				ib[idx+2] += (u32)(src_reloc->lobj.gpu_offset & 0xfffffffc);
-				ib[idx+3] += upper_32_bits(dst_reloc->lobj.gpu_offset) & 0xff;
-				ib[idx+4] += upper_32_bits(src_reloc->lobj.gpu_offset) & 0xff;
-				p->idx += 5;
+					ib[idx+1] += (u32)(dst_reloc->lobj.gpu_offset & 0xfffffffc);
+					ib[idx+2] += (u32)(src_reloc->lobj.gpu_offset & 0xfffffffc);
+					ib[idx+3] += upper_32_bits(dst_reloc->lobj.gpu_offset) & 0xff;
+					ib[idx+4] += upper_32_bits(src_reloc->lobj.gpu_offset) & 0xff;
+					p->idx += 5;
+				} else {
+					src_offset = ib[idx+2];
+					src_offset |= ((u64)(ib[idx+3] & 0xff)) << 32;
+					dst_offset = ib[idx+1];
+					dst_offset |= ((u64)(ib[idx+3] & 0xff0000)) << 16;
+
+					ib[idx+1] += (u32)(dst_reloc->lobj.gpu_offset & 0xfffffffc);
+					ib[idx+2] += (u32)(src_reloc->lobj.gpu_offset & 0xfffffffc);
+					ib[idx+3] += upper_32_bits(src_reloc->lobj.gpu_offset) & 0xff;
+					ib[idx+3] += (upper_32_bits(dst_reloc->lobj.gpu_offset) & 0xff) << 16;
+					p->idx += 4;
+				}
 			}
 			if ((src_offset + (count * 4)) > radeon_bo_size(src_reloc->robj)) {
 				dev_warn(p->dev, "DMA copy src buffer too small (%llu %lu)\n",

drivers/gpu/drm/radeon/radeon_asic.c

···
 	.copy = {
 		.blit = &r600_copy_blit,
 		.blit_ring_index = RADEON_RING_TYPE_GFX_INDEX,
-		.dma = &r600_copy_dma,
+		.dma = &rv770_copy_dma,
 		.dma_ring_index = R600_RING_TYPE_DMA_INDEX,
-		.copy = &r600_copy_dma,
+		.copy = &rv770_copy_dma,
 		.copy_ring_index = R600_RING_TYPE_DMA_INDEX,
 	},
 	.surface = {

drivers/gpu/drm/radeon/radeon_asic.h

···
 void r700_vram_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc);
 void r700_cp_stop(struct radeon_device *rdev);
 void r700_cp_fini(struct radeon_device *rdev);
+int rv770_copy_dma(struct radeon_device *rdev,
+		  uint64_t src_offset, uint64_t dst_offset,
+		  unsigned num_gpu_pages,
+		   struct radeon_fence **fence);
 
 /*
  * evergreen

drivers/gpu/drm/radeon/radeon_device.c

···
 }
 
 /**
+ * radeon_switcheroo_quirk_long_wakeup - return true if longer d3 delay is
+ * needed for waking up.
+ *
+ * @pdev: pci dev pointer
+ */
+static bool radeon_switcheroo_quirk_long_wakeup(struct pci_dev *pdev)
+{
+
+	/* 6600m in a macbook pro */
+	if (pdev->subsystem_vendor == PCI_VENDOR_ID_APPLE &&
+	    pdev->subsystem_device == 0x00e2) {
+		printk(KERN_INFO "radeon: quirking longer d3 wakeup delay\n");
+		return true;
+	}
+
+	return false;
+}
+
+/**
  * radeon_switcheroo_set_state - set switcheroo state
  *
  * @pdev: pci dev pointer
···
 	struct drm_device *dev = pci_get_drvdata(pdev);
 	pm_message_t pmm = { .event = PM_EVENT_SUSPEND };
 	if (state == VGA_SWITCHEROO_ON) {
+		unsigned d3_delay = dev->pdev->d3_delay;
+
 		printk(KERN_INFO "radeon: switched on\n");
 		/* don't suspend or resume card normally */
 		dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
+
+		if (d3_delay < 20 && radeon_switcheroo_quirk_long_wakeup(pdev))
+			dev->pdev->d3_delay = 20;
+
 		radeon_resume_kms(dev);
+
+		dev->pdev->d3_delay = d3_delay;
+
 		dev->switch_power_state = DRM_SWITCH_POWER_ON;
 		drm_kms_helper_poll_enable(dev);
 	} else {

drivers/gpu/drm/radeon/radeon_prime.c

···
 		bo = dma_buf->priv;
 		if (bo->gem_base.dev == dev) {
 			drm_gem_object_reference(&bo->gem_base);
+			dma_buf_put(dma_buf);
 			return &bo->gem_base;
 		}
 	}

drivers/gpu/drm/radeon/rv770.c

···
 	return 0;
 }
 
+/**
+ * rv770_copy_dma - copy pages using the DMA engine
+ *
+ * @rdev: radeon_device pointer
+ * @src_offset: src GPU address
+ * @dst_offset: dst GPU address
+ * @num_gpu_pages: number of GPU pages to xfer
+ * @fence: radeon fence object
+ *
+ * Copy GPU paging using the DMA engine (r7xx).
+ * Used by the radeon ttm implementation to move pages if
+ * registered as the asic copy callback.
+ */
+int rv770_copy_dma(struct radeon_device *rdev,
+		  uint64_t src_offset, uint64_t dst_offset,
+		  unsigned num_gpu_pages,
+		  struct radeon_fence **fence)
+{
+	struct radeon_semaphore *sem = NULL;
+	int ring_index = rdev->asic->copy.dma_ring_index;
+	struct radeon_ring *ring = &rdev->ring[ring_index];
+	u32 size_in_dw, cur_size_in_dw;
+	int i, num_loops;
+	int r = 0;
+
+	r = radeon_semaphore_create(rdev, &sem);
+	if (r) {
+		DRM_ERROR("radeon: moving bo (%d).\n", r);
+		return r;
+	}
+
+	size_in_dw = (num_gpu_pages << RADEON_GPU_PAGE_SHIFT) / 4;
+	num_loops = DIV_ROUND_UP(size_in_dw, 0xFFFF);
+	r = radeon_ring_lock(rdev, ring, num_loops * 5 + 8);
+	if (r) {
+		DRM_ERROR("radeon: moving bo (%d).\n", r);
+		radeon_semaphore_free(rdev, &sem, NULL);
+		return r;
+	}
+
+	if (radeon_fence_need_sync(*fence, ring->idx)) {
+		radeon_semaphore_sync_rings(rdev, sem, (*fence)->ring,
+					    ring->idx);
+		radeon_fence_note_sync(*fence, ring->idx);
+	} else {
+		radeon_semaphore_free(rdev, &sem, NULL);
+	}
+
+	for (i = 0; i < num_loops; i++) {
+		cur_size_in_dw = size_in_dw;
+		if (cur_size_in_dw > 0xFFFF)
+			cur_size_in_dw = 0xFFFF;
+		size_in_dw -= cur_size_in_dw;
+		radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_COPY, 0, 0, cur_size_in_dw));
+		radeon_ring_write(ring, dst_offset & 0xfffffffc);
+		radeon_ring_write(ring, src_offset & 0xfffffffc);
+		radeon_ring_write(ring, upper_32_bits(dst_offset) & 0xff);
+		radeon_ring_write(ring, upper_32_bits(src_offset) & 0xff);
+		src_offset += cur_size_in_dw * 4;
+		dst_offset += cur_size_in_dw * 4;
+	}
+
+	r = radeon_fence_emit(rdev, fence, ring->idx);
+	if (r) {
+		radeon_ring_unlock_undo(rdev, ring);
+		return r;
+	}
+
+	radeon_ring_unlock_commit(rdev, ring);
+	radeon_semaphore_free(rdev, &sem, *fence);
+
+	return r;
+}
+
 static int rv770_startup(struct radeon_device *rdev)
 {
 	struct radeon_ring *ring;

drivers/gpu/drm/ttm/ttm_bo_util.c

···
 		 */
 
 		set_bit(TTM_BO_PRIV_FLAG_MOVING, &bo->priv_flags);
+
+		/* ttm_buffer_object_transfer accesses bo->sync_obj */
+		ret = ttm_buffer_object_transfer(bo, &ghost_obj);
 		spin_unlock(&bdev->fence_lock);
 		if (tmp_obj)
 			driver->sync_obj_unref(&tmp_obj);
 
-		ret = ttm_buffer_object_transfer(bo, &ghost_obj);
 		if (ret)
 			return ret;
 

drivers/staging/omapdrm/omap_gem_dmabuf.c

···
 		obj = buffer->priv;
 		/* is it from our device? */
 		if (obj->dev == dev) {
+			/*
+			 * Importing dmabuf exported from out own gem increases
+			 * refcount on gem itself instead of f_count of dmabuf.
+			 */
 			drm_gem_object_reference(obj);
+			dma_buf_put(buffer);
 			return obj;
 		}
 	}

include/drm/exynos_drm.h

···
  *	Joonyoung Shim <[e-mail]>
  *	Seung-Woo Kim <[e-mail]>
  *
- * 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 (including the next
- * paragraph) 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
- * VA LINUX SYSTEMS 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.
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
  */
 #ifndef _EXYNOS_DRM_H_
 #define _EXYNOS_DRM_H_

include/uapi/drm/exynos_drm.h

···
  *	Joonyoung Shim <[e-mail]>
  *	Seung-Woo Kim <[e-mail]>
  *
- * 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 (including the next
- * paragraph) 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
- * VA LINUX SYSTEMS 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.
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
  */
 
 #ifndef _UAPI_EXYNOS_DRM_H_
···
 	EXYNOS_DRM_FLIP_NONE = (0 << 0),
 	EXYNOS_DRM_FLIP_VERTICAL = (1 << 0),
 	EXYNOS_DRM_FLIP_HORIZONTAL = (1 << 1),
+	EXYNOS_DRM_FLIP_BOTH = EXYNOS_DRM_FLIP_VERTICAL |
+			EXYNOS_DRM_FLIP_HORIZONTAL,
 };
 
 enum drm_exynos_degree {