Merge tag 'drm-intel-fixes-2019-12-23' of...

Merge tag 'drm-intel-fixes-2019-12-23' of git://anongit.freedesktop.org/drm/drm-intel

 into drm-fixes

i915 power and frontbuffer tracking fixes

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/87r20vdlrs.fsf@intel.com