drm_dp_mst_deallocate_vcpi
drm_dp_mst_deallocate_vcpi(mst_mgr, mst_port);
EXPORT_SYMBOL(drm_dp_mst_deallocate_vcpi);
drm_dp_mst_deallocate_vcpi(&intel_dp->mst_mgr, connector->port);
void drm_dp_mst_deallocate_vcpi(struct drm_dp_mst_topology_mgr *mgr,
drm_dp_mst_deallocate_vcpi(&radeon_connector->mst_port->mst_mgr, mst_enc->port);