Commit 44e121fb authored by Philip Yang's avatar Philip Yang Committed by Alex Deucher
Browse files

drm/amdgpu: Add tlb_cb for unlocked update 



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: default avatarPhilip Yang <Philip.Yang@amd.com>
Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 9563e1ec

drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c

+1 −1
Original line number Diff line number Diff line
@@ -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,