VSYNC
chipone_writeb(icn, VSYNC, mode->vsync_end - mode->vsync_start);
MODE_STATUS(VSYNC),
regmap_write(fg->reg, VTCFG2, VSYNC(vsync) | VSBP(vsbp) | VSEN);
DRM_MODE_FLAG_##vsynp##VSYNC, \
sync |= NVVAL(NV507D, DAC_SET_POLARITY, VSYNC, asyh->or.nvsync);
GPIO_FN(VSYNC),
PIS(VSYNC);
sst_write(VSYNC, par->vSyncOff << 16 | par->vSyncOn);