drm/i915/gvt: Remove MMIO barrier in MMIO switch
authorChangbin Du <changbin.du@intel.com>
Fri, 8 Dec 2017 06:56:22 +0000 (14:56 +0800)
committerZhenyu Wang <zhenyuw@linux.intel.com>
Fri, 8 Dec 2017 08:18:26 +0000 (16:18 +0800)
commitcf27b950346d5201c291c4e189ed1436a136ae4d
tree768dc1324b3091c0352880b02465bc398e42d53e
parent83164886e4559f87015a33780852a64cdd6e4e50
drm/i915/gvt: Remove MMIO barrier in MMIO switch

After engine mmio switched, software still need write workload
submission registers. So we can remove the MMIO barriar in MMIO
switch.

Signed-off-by: Changbin Du <changbin.du@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
drivers/gpu/drm/i915/gvt/render.c