drm/amdgpu: Enable P2P dmabuf over XGMI

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Access the exported P2P dmabuf over XGMI, if available.
Otherwise, fall back to the existing PCIe method.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Arunpravin <apaneers@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Arunpravin 2020-08-06 14:34:33 +05:30 • committed by Alex Deucher

parent d6e6dfb287

commit 0cf0ee983b

3 changed files with 52 additions and 3 deletions

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34

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

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2

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

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19

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

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