PP_STATUS
intel_de_read(display, PP_STATUS(display, 0)) & PP_ON,
if (intel_de_wait_for_set(display, PP_STATUS(display, 0), PP_ON, 5000))
if (intel_de_wait_for_clear(display, PP_STATUS(display, 0), PP_ON, 1000))
if (intel_de_wait_for_clear(display, PP_STATUS(display, 0), PP_CYCLE_DELAY_ACTIVE, 5000))
return intel_de_read(display, PP_STATUS(display, pps_idx)) & PP_ON;
regs->pp_stat = PP_STATUS(display, pps_idx);