Phoronix: Another Shot At The KMS Page-Flipping Ioctl

Being worked on for the past several months by Kristian Høgsberg and other developers has been the KMS page-flipping ioctl, which makes it possible for kernel mode-setting drivers to benefit from tear-free updating of the screen with low-latency page-flipping. This kernel DRM ioctl is also a requirement for the Wayland Display Server...

http://www.phoronix.com/vr.php?view=NzY5OA