drm/amdgpu: fix bug of vm_bo_map (v2)

call reservation_object_reserve_shared before amdgpu_bo_fence Signed-off-by: monk.liu <monk.liu@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Reviewed-by: Jammy Zhou <jammy.zhou@amd.com>
git-mirror · Jun 4, 2015 · ca95261 · ca95261
1 parent 7e5a547
commit ca95261
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -315,6 +315,10 @@ static int amdgpu_vm_clear_bo(struct amdgpu_device *adev,
 	if (r)
 		return r;
 
+	r = reservation_object_reserve_shared(bo->tbo.resv);
+	if (r)
+		return r;
+
 	r = ttm_bo_validate(&bo->tbo, &bo->placement, true, false);
 	if (r)
 		goto error_unreserve;