Merge tag 'gvt-next-fixes-2017-04-20' of https://github.com/01org/gvt-linux...

Merge tag 'gvt-next-fixes-2017-04-20' of https://github.com/01org/gvt-linux

 into drm-intel-next-fixes

gvt-next-fixes-2017-04-20

- some code optimization from Changbin
- debug message cleanup after QoS merge
- misc fixes for display mmio init, reset vgpu warning, etc.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>