struct drm_dp_mst_topology_mgr *mgr);
void drm_dp_mst_topology_mgr_suspend(struct drm_dp_mst_topology_mgr *mgr);
-int drm_dp_mst_topology_mgr_resume(struct drm_dp_mst_topology_mgr *mgr);
+int __must_check
+drm_dp_mst_topology_mgr_resume(struct drm_dp_mst_topology_mgr *mgr);
struct drm_dp_mst_topology_state *drm_atomic_get_mst_topology_state(struct drm_atomic_state *state,
struct drm_dp_mst_topology_mgr *mgr);
int drm_dp_atomic_find_vcpi_slots(struct drm_atomic_state *state,