drm_atomic_get_mst_topology_state
topology_state = drm_atomic_get_mst_topology_state(state, mgr);
topology_state = drm_atomic_get_mst_topology_state(state, mgr);
EXPORT_SYMBOL(drm_atomic_get_mst_topology_state);
struct drm_dp_mst_topology_state *drm_atomic_get_mst_topology_state(struct drm_atomic_state *state,