PP_OFF_DELAYS
regs->cdv.savePP_OFF_DELAYS = REG_READ(PP_OFF_DELAYS);
REG_WRITE(PP_OFF_DELAYS, regs->cdv.savePP_OFF_DELAYS);
pp_off = REG_READ(PP_OFF_DELAYS);
val = intel_de_read(display, PP_OFF_DELAYS(display, 0));
intel_de_write(display, PP_OFF_DELAYS(display, 0),
regs->pp_off = PP_OFF_DELAYS(display, pps_idx);