DPCD_RC03_TPS4_SUPPORTED
lt->outp->dp.dpcd[DPCD_RC03] & DPCD_RC03_TPS4_SUPPORTED)
outp->dp.dpcd[DPCD_RC03] &= ~DPCD_RC03_TPS4_SUPPORTED;
!(outp->dp.dpcd[DPCD_RC03] & DPCD_RC03_TPS4_SUPPORTED))