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Patch "drm/amdgpu: Change GART offset to 64-bit" has been added to the 4.4-stable tree

PATCH [email protected] 1 participant 1 message Sep 5, 2016

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Stable branch DRM drivers Radeon and amdgpu DRM drivers
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This is a note to let you know that I've just added the patch titled

drm/amdgpu: Change GART offset to 64-bit

to the 4.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
drm-amdgpu-change-gart-offset-to-64-bit.patch
and it can be found in the queue-4.4 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.

Quoted 1 line

From cab0b8d50e9bbef62c04067072c953433a87a9ff Mon Sep 17 00:00:00 2001

From: Felix Kuehling <[email protected]>
Date: Fri, 12 Aug 2016 19:25:21 -0400
Subject: drm/amdgpu: Change GART offset to 64-bit
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

From: Felix Kuehling <[email protected]>

commit cab0b8d50e9bbef62c04067072c953433a87a9ff upstream.

The GART aperture size can be bigger than 4GB. Therefore the offset used in amdgpu_gart_bind and amdgpu_gart_unbind must be 64-bit.

Reviewed-by Christian König <[email protected]>
Signed-off-by Felix Kuehling <[email protected]>
Reviewed-by Alex Deucher <[email protected]>
Signed-off-by Alex Deucher <[email protected]>
Signed-off-by Greg Kroah-Hartman <[email protected]>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu.h      |    4 ++--
 drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c |    4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)
drivers/gpu/drm/amd/amdgpu/amdgpu.h +2 -2
@@ -710,9 +710,9 @@ int amdgpu_gart_table_vram_pin(struct am
 void amdgpu_gart_table_vram_unpin(struct amdgpu_device *adev);
 int amdgpu_gart_init(struct amdgpu_device *adev);
 void amdgpu_gart_fini(struct amdgpu_device *adev);
-void amdgpu_gart_unbind(struct amdgpu_device *adev, unsigned offset,
+void amdgpu_gart_unbind(struct amdgpu_device *adev, uint64_t offset,
 			int pages);
-int amdgpu_gart_bind(struct amdgpu_device *adev, unsigned offset,
+int amdgpu_gart_bind(struct amdgpu_device *adev, uint64_t offset,
 		     int pages, struct page **pagelist,
 		     dma_addr_t *dma_addr, uint32_t flags);
drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c +2 -2
@@ -221,7 +221,7 @@ void amdgpu_gart_table_vram_free(struct
  * Unbinds the requested pages from the gart page table and
  * replaces them with the dummy page (all asics).
  */
-void amdgpu_gart_unbind(struct amdgpu_device *adev, unsigned offset,
+void amdgpu_gart_unbind(struct amdgpu_device *adev, uint64_t offset,
 			int pages)
 {
 	unsigned t;

@@ -269,7 +269,7 @@ void amdgpu_gart_unbind(struct amdgpu_de
  * (all asics).
  * Returns 0 for success, -EINVAL for failure.
  */
-int amdgpu_gart_bind(struct amdgpu_device *adev, unsigned offset,
+int amdgpu_gart_bind(struct amdgpu_device *adev, uint64_t offset,
 		     int pages, struct page **pagelist, dma_addr_t *dma_addr,
 		     uint32_t flags)
 {

Patches currently in stable-queue which might be from [email protected] are

queue-4.4/drm-amdgpu-change-gart-offset-to-64-bit.patch