drm_dp_mst_topology_try_get_port 1414 drivers/gpu/drm/drm_dp_mst_topology.c 		if (rport && !drm_dp_mst_topology_try_get_port(rport))
drm_dp_mst_topology_try_get_port 1428 drivers/gpu/drm/drm_dp_mst_topology.c 			ret = drm_dp_mst_topology_try_get_port(port);