tilcdc_panel_update_prop
ret = tilcdc_panel_update_prop(&ocs, new_timing, "pixelclk-active",
ret = tilcdc_panel_update_prop(&ocs, new_timing, "syncclk-active",
ret = tilcdc_panel_update_prop(&ocs, new_panel, prop->name,
ret = tilcdc_panel_update_prop(&ocs, new_timing, prop->name,