Merge tag 'gvt-fixes-2017-04-07' of https://github.com/01org/gvt-linux into drm-intel-fixes

gvt-fixes-2017-04-07

- execlist csb initial read ptr fix (Min)

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170407084240.4d2ig5ja2umcnsq3@zhen-hp.sh.intel.com

drivers/gpu/drm/i915/gvt/execlist.c

@@ -775,7 +775,8 @@ static void init_vgpu_execlist(struct intel_vgpu *vgpu, int ring_id)
 			_EL_OFFSET_STATUS_PTR);
 
 	ctx_status_ptr.dw = vgpu_vreg(vgpu, ctx_status_ptr_reg);
-	ctx_status_ptr.read_ptr = ctx_status_ptr.write_ptr = 0x7;
+	ctx_status_ptr.read_ptr = 0;
+	ctx_status_ptr.write_ptr = 0x7;
 	vgpu_vreg(vgpu, ctx_status_ptr_reg) = ctx_status_ptr.dw;
 }