drm/amdgpu: Add peer-to-peer support among PCIe connected AMD GPUs

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Add support for peer-to-peer communication among AMD GPUs over PCIe
bus. Support REQUIRES enablement of config HSA_AMD_P2P.

Signed-off-by: Ramesh Errabolu <Ramesh.Errabolu@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Ramesh Errabolu 2022-05-26 12:24:23 -05:00 • committed by Alex Deucher

parent 6fbfc3a23c

commit 08a2fd23c6

5 changed files with 283 additions and 62 deletions

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3

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

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1

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

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300

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

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31

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

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10

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

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