get_mst_branch_device_by_guid_helper 1816 drivers/gpu/drm/drm_dp_mst_topology.c found_mstb = get_mst_branch_device_by_guid_helper(port->mstb, guid); get_mst_branch_device_by_guid_helper 1835 drivers/gpu/drm/drm_dp_mst_topology.c mstb = get_mst_branch_device_by_guid_helper(mgr->mst_primary, guid);