drm/amdgpu: drm/amdgpu: Handle IOMMU enabled case
authorAndrey Grodzovsky <andrey.grodzovsky@amd.com>
Tue, 24 Aug 2021 20:15:48 +0000 (16:15 -0400)
committerAlex Deucher <alexander.deucher@amd.com>
Wed, 29 Sep 2021 21:30:00 +0000 (17:30 -0400)
commit894c6890a23c2a91493c845d05d6ffbb148efa6d
tree7869ed96673123d1c6a78bdc6059538388d7db2e
parent5039f5298880f7a1665d13a24a342d2934d5aa61
drm/amdgpu: drm/amdgpu: Handle IOMMU enabled case

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