NV32_RASTER
while (((NV_REG32(NV32_RASTER) & 0x000007ff) < si->dm.timing.v_display) &&
while (((NV_REG32(NV32_RASTER) & 0x000007ff) < si->dm.timing.v_display) &&
while ((((uint16)(NV_REG32(NV32_RASTER) & 0x000007ff)) < (yhigh + 16)) &&