Since the Linux 2.6.32 kernel there has been the KMS page-flipping ioctl and it's been hooked into the Intel DRM driver for providing tear-free updating of the screen by low-latency page-flipping. This KMS page-flipping ioctl is also used by Wayland. Since late October there's also been Nouveau patches for page-flipping, but now patches have finally emerged for bringing this support to the Radeon DRM driver...
Read more: Phoronix
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