drm/amdgpu: drop root shadow sync

Completely pointless, it is the same reservation object as the root PD
anyway.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Roger He <Hongbo.He@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index 5cdd8d9..8ac3bcf 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -932,11 +932,6 @@ restart:
                amdgpu_ring_pad_ib(ring, params.ib);
                amdgpu_sync_resv(adev, &job->sync, root->tbo.resv,
                                 AMDGPU_FENCE_OWNER_VM, false);
-               if (root->shadow)
-                       amdgpu_sync_resv(adev, &job->sync,
-                                        root->shadow->tbo.resv,
-                                        AMDGPU_FENCE_OWNER_VM, false);
-
                WARN_ON(params.ib->length_dw > ndw);
                r = amdgpu_job_submit(job, ring, &vm->entity,
                                      AMDGPU_FENCE_OWNER_VM, &fence);