Merge tag 'drm-intel-fixes-2015-07-23' of git://anongit.freedesktop.org/drm-intel into drm-fixes

arb_timer kernel side fix from Chris.

* tag 'drm-intel-fixes-2015-07-23' of git://anongit.freedesktop.org/drm-intel:
  drm/i915: Use two 32bit reads for select 64bit REG_READ ioctls