drm/amdkfd: Import DMABufs for interop through DRM

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Use drm_gem_prime_fd_to_handle to import DMABufs for interop. This
ensures that a GEM handle is created on import and that obj->dma_buf
will be set and remain set as long as the object is imported into KFD.

Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Ramesh Errabolu <Ramesh.Errabolu@amd.com>
Reviewed-by: Xiaogang.Chen <Xiaogang.Chen@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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This commit is contained in:

Felix Kuehling 2023-09-19 14:57:02 -04:00 • committed by Alex Deucher

parent 1819200166

commit 0188006d7c

3 changed files with 52 additions and 36 deletions

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9

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

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64

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

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15

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

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