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drm/amdgpu: drm/amdgpu: Handle IOMMU enabled case

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Handle all DMA IOMMU group related dependencies before the
group is removed and we try to access it after free.

v2:
Move the actul handling function to TTM

Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Andrey Grodzovsky
2021-08-24 16:15:48 -04:00
committed by Alex Deucher
parent 5039f52988
commit 894c6890a2
1 changed files with 2 additions and 0 deletions
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2
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
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@@ -3872,6 +3872,8 @@ void amdgpu_device_fini_hw(struct amdgpu_device *adev)
amdgpu_device_ip_fini_early(adev);
ttm_device_clear_dma_mappings(&adev->mman.bdev);
amdgpu_gart_dummy_page_fini(adev);
amdgpu_device_unmap_mmio(adev);