drm/i915/gvt: add vreg write for GDRST handler
authorPing Gao <ping.a.gao@intel.com>
Wed, 26 Oct 2016 01:38:50 +0000 (09:38 +0800)
committerZhenyu Wang <zhenyuw@linux.intel.com>
Wed, 26 Oct 2016 05:33:05 +0000 (13:33 +0800)
The emulation handler for MMIO GDRST miss vreg write in it, as result
the vreg cannot update correspondingly.

Signed-off-by: Ping Gao <ping.a.gao@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
drivers/gpu/drm/i915/gvt/handlers.c

index 3e74fb3d4aa93398381e5a032398886f3a313dda..52af51728cc1728c46e050cbb765de81b8b31ef5 100644 (file)
@@ -258,6 +258,7 @@ static int gdrst_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
        u32 data;
        u64 bitmap = 0;
 
+       write_vreg(vgpu, offset, p_data, bytes);
        data = vgpu_vreg(vgpu, offset);
 
        if (data & GEN6_GRDOM_FULL) {