Commit b4a7f4e7 authored by Prike Liang's avatar Prike Liang Committed by Alex Deucher
Browse files

drm/amdgpu: attach tlb fence to the PTs update 



Ensure the userq TLB flush is emitted only after
the VM update finishes and the PT BOs have been
annotated with bookkeeping fences.

Suggested-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarPrike Liang <Prike.Liang@amd.com>
Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
(cherry picked from commit f3854e04)
Cc: stable@vger.kernel.org
parent 8ea90236

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

+1 −1
Original line number Diff line number Diff line
@@ -1066,7 +1066,7 @@ amdgpu_vm_tlb_flush(struct amdgpu_vm_update_params *params, 
	}



	/* Prepare a TLB flush fence to be attached to PTs */

	if (!params->unlocked && vm->is_compute_context) {

	if (!params->unlocked) {

		amdgpu_vm_tlb_fence_create(params->adev, vm, fence);



		/* Makes sure no PD/PT is freed before the flush */