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 --- drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 0b5764aa98a4..653bd8fdaa33 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -3860,6 +3860,8 @@ 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);