PCH_HSYNC_B
REG_WRITE(PCH_HSYNC_B, (adjusted_mode->crtc_hsync_start - 1) | ((adjusted_mode->crtc_hsync_end - 1) << 16));
hdmi_dev->savePCH_HSYNC_B = PSB_RVDC32(PCH_HSYNC_B);
PSB_WVDC32(hdmi_dev->savePCH_HSYNC_B, PCH_HSYNC_B);