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:
  drm: DRM: fix memset size error
  drm: remove remnants of DRM_COPY_FROM/TO_USER_IOCTL
  drm: remove second forward decleration of drm device struct.