diff --git a/drivers/gpu/drm/i915/gvt/display.c b/drivers/gpu/drm/i915/gvt/display.c
index 2deb05f618fb11054064122a4b86f468d148c73b..7cb0818a13debecc1d3f08e4fb10042a3536b1e9 100644
--- a/drivers/gpu/drm/i915/gvt/display.c
+++ b/drivers/gpu/drm/i915/gvt/display.c
@@ -323,27 +323,27 @@ void intel_gvt_check_vblank_emulation(struct intel_gvt *gvt)
 {
 	struct intel_gvt_irq *irq = &gvt->irq;
 	struct intel_vgpu *vgpu;
-	bool have_enabled_pipe = false;
 	int pipe, id;
 
 	if (WARN_ON(!mutex_is_locked(&gvt->lock)))
 		return;
 
-	hrtimer_cancel(&irq->vblank_timer.timer);
-
 	for_each_active_vgpu(gvt, vgpu, id) {
 		for (pipe = 0; pipe < I915_MAX_PIPES; pipe++) {
-			have_enabled_pipe =
-				pipe_is_enabled(vgpu, pipe);
-			if (have_enabled_pipe)
-				break;
+			if (pipe_is_enabled(vgpu, pipe))
+				goto out;
 		}
 	}
 
-	if (have_enabled_pipe)
-		hrtimer_start(&irq->vblank_timer.timer,
-			ktime_add_ns(ktime_get(), irq->vblank_timer.period),
-			HRTIMER_MODE_ABS);
+	/* all the pipes are disabled */
+	hrtimer_cancel(&irq->vblank_timer.timer);
+	return;
+
+out:
+	hrtimer_start(&irq->vblank_timer.timer,
+		ktime_add_ns(ktime_get(), irq->vblank_timer.period),
+		HRTIMER_MODE_ABS);
+
 }
 
 static void emulate_vblank_on_pipe(struct intel_vgpu *vgpu, int pipe)
diff --git a/drivers/gpu/drm/i915/intel_gvt.c b/drivers/gpu/drm/i915/intel_gvt.c
index 52d5b82790d9fa5461a3c75977b320bd4348d407..c17ed0e62b6757b678272056326062c74f71ee6b 100644
--- a/drivers/gpu/drm/i915/intel_gvt.c
+++ b/drivers/gpu/drm/i915/intel_gvt.c
@@ -45,7 +45,7 @@ static bool is_supported_device(struct drm_i915_private *dev_priv)
 		return true;
 	if (IS_SKYLAKE(dev_priv))
 		return true;
-	if (IS_KABYLAKE(dev_priv) && INTEL_DEVID(dev_priv) == 0x591D)
+	if (IS_KABYLAKE(dev_priv))
 		return true;
 	return false;
 }