drm/i915/gvt: Fix GFX_MODE handling

Enter failsafe if vgpu tries to change GFX_MODE controlled by host.

Reviewed-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Colin Xu <colin.xu@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
This commit is contained in:
Colin Xu 2019-05-28 11:20:34 +08:00 • committed by Zhenyu Wang
commit 888c0094b2