TRANS_VRR_DCB_VMAX_LIVE
tmp = intel_de_read(display, TRANS_VRR_DCB_VMAX_LIVE(cpu_transcoder));
intel_de_write(display, TRANS_VRR_DCB_VMAX_LIVE(cpu_transcoder),
intel_de_write(display, TRANS_VRR_DCB_VMAX_LIVE(cpu_transcoder), 0);