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authorAndrey Grodzovsky <andrey.grodzovsky@amd.com>2021-05-17 17:38:51 +0300
committerAndrey Grodzovsky <andrey.grodzovsky@amd.com>2021-05-20 06:50:27 +0300
commitd10d0daa207276aff3b740d1ea9b3f58a63256e7 (patch)
treeb3838ca306dfb4161c3d8cc26e7812f4abf9c780 /drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
parente9669fb7826270bd73554208b49b6353ab3d856f (diff)
downloadlinux-d10d0daa207276aff3b740d1ea9b3f58a63256e7.tar.xz
drm/amdgpu: Handle IOMMU enabled case.
Problem: Handle all DMA IOMMU group related dependencies before the group is removed. Those manifest themself in that when IOMMU enabled DMA map/unmap is dependent on the presence of IOMMU group the device belongs to but, this group is released once the device is removed from PCI topology. Fix: Expedite all such unmap operations to pci remove driver callback. v5: Drop IOMMU notifier and switch to lockless call to ttm_tt_unpopulate v6: Drop the BO unamp list v7: Drop amdgpu_gart_fini In amdgpu_ih_ring_fini do uncinditional check (!ih->ring) to avoid freeing uniniitalized rings. Call amdgpu_ih_ring_fini unconditionally. v8: Add deatiled explanation Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com> Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210517143851.475058-1-andrey.grodzovsky@amd.com
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c1
1 files changed, 0 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
index 210ada2289ec..0795ea736573 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
@@ -1085,7 +1085,6 @@ static int gmc_v7_0_sw_fini(void *handle)
kfree(adev->gmc.vm_fault_info);
amdgpu_gart_table_vram_free(adev);
amdgpu_bo_fini(adev);
- amdgpu_gart_fini(adev);
release_firmware(adev->gmc.fw);
adev->gmc.fw = NULL;