Merge tag 'gvt-next-fixes-2019-09-06' of https://github.com/intel/gvt-linux into drm-intel-next-fixes

gvt-next-fixes-2019-09-06

- Fix guest context head pointer update for hang (Xiaolin)
- Fix guest context ring state for reset (Weinan)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
From: Zhenyu Wang <zhenyuw@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190906054255.GC3458@zhen-hp.sh.intel.com