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drm/amdgpu: Add tlb_cb for unlocked update

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Flush TLB needs wait for GPU update fence done. MMU notify callback to
unmap range from GPUs uses unlocked GPU page table update, so add tlb_cb
to unlocked update fence to increase vm->tlb_seq.

Signed-off-by: Philip Yang <Philip.Yang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Philip Yang
2022-03-27 22:22:44 -04:00
committed by Alex Deucher
parent 9563e1ec92
commit 44e121fbf1
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
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@@ -927,7 +927,7 @@ int amdgpu_vm_bo_update_mapping(struct amdgpu_device *adev,
r = vm->update_funcs->commit(&params, fence);
if (!unlocked && (!(flags & AMDGPU_PTE_VALID) || params.table_freed)) {
if (!(flags & AMDGPU_PTE_VALID) || params.table_freed) {
tlb_cb->vm = vm;
if (!fence || !*fence ||
dma_fence_add_callback(*fence, &tlb_cb->cb,