Phoronix: The Last ATI/AMD Radeon UMS Driver Release

David Airlie announced the xf86-video-ati 6.14.6 DDX driver release today, which will be the final open-source ATI driver release that supports user-space mode-setting (UMS). Going forward, only Radeon kernel mode-setting (KMS) will be supported...

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