Merge tag 'topic/core-stuff-2014-10-03' of git://anongit.freedesktop.org/drm-intel into drm-next

two core fixes

* tag 'topic/core-stuff-2014-10-03' of git://anongit.freedesktop.org/drm-intel:
  drm/core: use helper to check driver features
  drm/edid: Add missing interlaced flag to 576i@100 modes.