https://bugs.freedesktop.org/show_bug.cgi?id=31463
--- Comment #2 from Trevour bio_tube@yahoo.com 2010-11-08 08:00:52 PST --- I pulled the drm-core-next branch in order to apply the pageflipping patches(I also pulled drm-radeon-testing before that to apply the first batch), so I've got the patch.