drm/amdgpu: add support for exporting VRAM using DMA-buf v3

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We should be able to do this now after checking all the prerequisites.

v2: fix entrie count in the sgt
v3: manually construct the sg

Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Sumit Semwal <sumit.semwal@linaro.org>
Link: https://patchwork.freedesktop.org/patch/359295

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This commit is contained in:

Christian König 2018-03-23 16:56:37 +01:00

parent 48262cd949

commit f44ffd677f

3 changed files with 153 additions and 14 deletions

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54

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

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12

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

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99

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

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