Flushing out my drm-misc queue with a few oddball things all over.

* tag 'topic/drm-misc-2015-02-06' of git://anongit.freedesktop.org/drm-intel:
  drm: Use static attribute groups for managing connector sysfs entries
  drm: remove DRM_FORMAT_NV12MT
  drm/modes: Print the mode status in human readable form
  drm/irq: Don't disable vblank interrupts when already disabled