To the video hardware, LCDs are raster displays, and receive information in line scans and frames over time just like CRTs, even if it's a digital signal. You c

To the video hardware, LCDs are raster displays, and receive information in line scans and frames over time just like CRTs, even if it's a digital signal. You can have V-sync on or off (complete with screen tearing) just the same.