PCH_PIPEBCONF
REG_WRITE(PCH_PIPEBCONF, pipeconf);
REG_READ(PCH_PIPEBCONF);
temp = REG_READ(PCH_PIPEBCONF);
REG_WRITE(PCH_PIPEBCONF, temp & ~PIPEACONF_ENABLE);
REG_READ(PCH_PIPEBCONF);
temp = REG_READ(PCH_PIPEBCONF);
REG_WRITE(PCH_PIPEBCONF, temp | PIPEACONF_ENABLE);
REG_READ(PCH_PIPEBCONF);
hdmi_dev->savePCH_PIPEBCONF = PSB_RVDC32(PCH_PIPEBCONF);
PSB_WVDC32(hdmi_dev->savePCH_PIPEBCONF, PCH_PIPEBCONF);