Merge branch 'drm-patches' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6

* 'drm-patches' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6:
  drm: ioremap return value checks
  drm/via: Fix dmablit when blit queue is full
  drm_rmmap_ioctl(): remove dead code