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| author | Rajneesh Bhardwaj <[email protected]> | 2021-06-29 22:30:36 +0000 |
|---|---|---|
| committer | Alex Deucher <[email protected]> | 2022-02-07 22:59:52 +0000 |
| commit | be072b06c7397004e6464b4225e13c31ed0b9ca3 (patch) | |
| tree | 9f86d898637e457e578fb2dab03d460a1db8e602 /drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | |
| parent | drm/amdkfd: CRIU implement gpu_id remapping (diff) | |
| download | kernel-be072b06c7397004e6464b4225e13c31ed0b9ca3.tar.gz kernel-be072b06c7397004e6464b4225e13c31ed0b9ca3.zip | |
drm/amdkfd: CRIU export BOs as prime dmabuf objects
KFD buffer objects do not associate a GEM handle with them so cannot
directly be used with libdrm to initiate a system dma (sDMA) operation
to speedup the checkpoint and restore operation so export them as dmabuf
objects and use with libdrm helper (amdgpu_bo_import) to further process
the sdma command submissions.
With sDMA, we see huge improvement in checkpoint and restore operations
compared to the generic pci based access via host data path.
Suggested-by: Felix Kuehling <[email protected]>
Signed-off-by: Rajneesh Bhardwaj <[email protected]>
Signed-off-by: David Yat Sin <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_object.c')
0 files changed, 0 insertions, 0 deletions