This is a displayLink createParam. Refer /dvr_rdk/mcfw/src_linux/mcfw_api/usecases/ti81xx/multich_car_dvr.c
multich_cardvr_set_display_prms
where displayPrm->queueInISRFlag = TRUE;
Latency info is printed when you invoke Vsys_printDetailedStatistics. Share the logs after this change and your usecase data flow