drm_dp_mst_get_edid
edid = drm_dp_mst_get_edid(connector, &aconnector->mst_port->mst_mgr, aconnector->port);
EXPORT_SYMBOL(drm_dp_mst_get_edid);
mst_edid = drm_dp_mst_get_edid(port->connector, mgr, port);
edid = drm_dp_mst_get_edid(connector, &intel_dp->mst_mgr, intel_connector->port);
struct edid *drm_dp_mst_get_edid(struct drm_connector *connector, struct drm_dp_mst_topology_mgr *mgr, struct drm_dp_mst_port *port);
edid = drm_dp_mst_get_edid(connector, &master->mst_mgr, radeon_connector->port);