1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
index 82312a7bc6ad..9c85a90be293 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -927,6 +927,10 @@ static int amdgpu_cs_ib_vm_chunk(struct amdgpu_device *adev,
                 r = amdgpu_bo_vm_update_pte(p);
                 if (r)
                         return r;
+
+                r = reservation_object_reserve_shared(vm->root.base.bo->tbo.resv);
+                if (r)
+                        return r;
         }
 
         return amdgpu_cs_sync_rings(p);