Merge branch 'drm-patches' of master.kernel.org:/pub/scm/linux/kernel/git/airlied/drm-2.6
* 'drm-patches' of master.kernel.org:/pub/scm/linux/kernel/git/airlied/drm-2.6:
via: Make sure we flush write-combining using a follow-up read.
via: Try to improve command-buffer chaining.
drm: remove old taskqueue remnant
drm: rename badly named define and cleanup ioctl code spacing
radeon: Don't mess up page flipping when a file descriptor is closed.
drm/radeon: upgrade to 1.27 - make PCI GART more flexible