Merge branch 'drm-fixes-4.1' of git://people.freedesktop.org/~agd5f/linux into drm...

one revert, and two regression fixes for audio/hdmi
* 'drm-fixes-4.1' of git://people.freedesktop.org/~agd5f/linux:
  drm/radeon/audio: make sure connector is valid in hotplug case
  Revert "drm/radeon: only mark audio as connected if the monitor supports it (v3)"
  drm/radeon: don't share plls if monitors differ in audio support