drm/amdgpu: attach tlb fence to the PTs update

commit b4a7f4e7ad2b120a94f3111f92a11520052c762d upstream.

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: Christian König <christian.koenig@amd.com>
Signed-off-by: Prike Liang <Prike.Liang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit f3854e04b708d73276c4488231a8bd66d30b4671)
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index c39bb06ebda141af271eb1a1341cd5b9e7b8cf41..17638952cd27d371514bedd876326231bfdfbe77 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -1056,7 +1056,7 @@ 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 */