drm/amdkfd: Export DMABufs from KFD using GEM handles

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Create GEM handles for exporting DMABufs using GEM-Prime APIs. The GEM
handles are created in a drm_client_dev context to avoid exposing them
in user mode contexts through a DMABuf import.

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

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Felix Kuehling 2023-08-24 14:41:30 -04:00 • committed by Alex Deucher

parent 4e95669ecb

commit 1819200166

4 changed files with 44 additions and 9 deletions

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11

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

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5

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

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33

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

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4

drivers/gpu/drm/amd/amdkfd/kfd_chardev.c

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