diff --git a/drivers/gpu/drm/armada/armada_crtc.c b/drivers/gpu/drm/armada/armada_crtc.c
index d8e3982..74317b2 100644
--- a/drivers/gpu/drm/armada/armada_crtc.c
+++ b/drivers/gpu/drm/armada/armada_crtc.c
@@ -257,7 +257,7 @@ static void armada_drm_vblank_off(struct armada_crtc *dcrtc)
 	 * Tell the DRM core that vblank IRQs aren't going to happen for
 	 * a while.  This cleans up any pending vblank events for us.
 	 */
-	drm_vblank_off(dev, dcrtc->num);
+	drm_vblank_off(dev, dcrtc->num, false);
 
 	/* Handle any pending flip event. */
 	spin_lock_irq(&dev->event_lock);
diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c
index 3211158..6e5d820 100644
--- a/drivers/gpu/drm/drm_irq.c
+++ b/drivers/gpu/drm/drm_irq.c
@@ -890,6 +890,12 @@ int drm_vblank_get(struct drm_device *dev, int crtc)
 	int ret = 0;
 
 	spin_lock_irqsave(&dev->vbl_lock, irqflags);
+
+	if (dev->vblank[crtc].reject) {
+		ret = -EINVAL;
+		goto out;
+	}
+
 	/* Going from 0->1 means we have to enable interrupts again */
 	if (atomic_add_return(1, &dev->vblank[crtc].refcount) == 1) {
 		spin_lock(&dev->vblank_time_lock);
@@ -917,6 +923,8 @@ int drm_vblank_get(struct drm_device *dev, int crtc)
 			ret = -EINVAL;
 		}
 	}
+
+ out:
 	spin_unlock_irqrestore(&dev->vbl_lock, irqflags);
 
 	return ret;
@@ -947,8 +955,9 @@ EXPORT_SYMBOL(drm_vblank_put);
  * drm_vblank_off - disable vblank events on a CRTC
  * @dev: DRM device
  * @crtc: CRTC in question
+ * @reject: reject drm_vblank_get() until drm_vblank_on() has been called?
  */
-void drm_vblank_off(struct drm_device *dev, int crtc)
+void drm_vblank_off(struct drm_device *dev, int crtc, bool reject)
 {
 	struct drm_pending_vblank_event *e, *t;
 	struct timeval now;
@@ -956,6 +965,7 @@ void drm_vblank_off(struct drm_device *dev, int crtc)
 	unsigned int seq;
 
 	spin_lock_irqsave(&dev->vbl_lock, irqflags);
+	dev->vblank[crtc].reject = reject;
 	vblank_disable_and_save(dev, crtc);
 	wake_up(&dev->vblank[crtc].queue);
 
@@ -979,6 +989,22 @@ void drm_vblank_off(struct drm_device *dev, int crtc)
 }
 EXPORT_SYMBOL(drm_vblank_off);
 
+
+/**
+ * drm_vblank_on - enable vblank events on a CRTC
+ * @dev: DRM device
+ * @crtc: CRTC in question
+ */
+void drm_vblank_on(struct drm_device *dev, int crtc)
+{
+	unsigned long irqflags;
+
+	spin_lock_irqsave(&dev->vbl_lock, irqflags);
+	dev->vblank[crtc].reject = false;
+	spin_unlock_irqrestore(&dev->vbl_lock, irqflags);
+}
+EXPORT_SYMBOL(drm_vblank_on);
+
 /**
  * drm_vblank_pre_modeset - account for vblanks across mode sets
  * @dev: DRM device
@@ -1224,6 +1250,7 @@ int drm_wait_vblank(struct drm_device *dev, void *data,
 	DRM_WAIT_ON(ret, dev->vblank[crtc].queue, 3 * HZ,
 		    (((drm_vblank_count(dev, crtc) -
 		       vblwait->request.sequence) <= (1 << 23)) ||
+		     dev->vblank[crtc].reject ||
 		     !dev->irq_enabled));
 
 	if (ret != -EINTR) {
diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.c b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
index ebc0150..e2d6b9d 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_crtc.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
@@ -68,7 +68,7 @@ static void exynos_drm_crtc_dpms(struct drm_crtc *crtc, int mode)
 		/* wait for the completion of page flip. */
 		wait_event(exynos_crtc->pending_flip_queue,
 				atomic_read(&exynos_crtc->pending_flip) == 0);
-		drm_vblank_off(crtc->dev, exynos_crtc->pipe);
+		drm_vblank_off(crtc->dev, exynos_crtc->pipe, false);
 	}
 
 	exynos_drm_fn_encoder(crtc, &mode, exynos_drm_encoder_crtc_dpms);
diff --git a/drivers/gpu/drm/gma500/gma_display.c b/drivers/gpu/drm/gma500/gma_display.c
index 386de2c..ff18220 100644
--- a/drivers/gpu/drm/gma500/gma_display.c
+++ b/drivers/gpu/drm/gma500/gma_display.c
@@ -281,7 +281,7 @@ void gma_crtc_dpms(struct drm_crtc *crtc, int mode)
 		REG_WRITE(VGACNTRL, VGA_DISP_DISABLE);
 
 		/* Turn off vblank interrupts */
-		drm_vblank_off(dev, pipe);
+		drm_vblank_off(dev, pipe, false);
 
 		/* Wait for vblank for the disable to take effect */
 		gma_wait_for_vblank(dev);
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index f19e6ea..bab0d08 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -3643,7 +3643,7 @@ static void haswell_crtc_disable_planes(struct drm_crtc *crtc)
 	int plane = intel_crtc->plane;
 
 	intel_crtc_wait_for_pending_flips(crtc);
-	drm_vblank_off(dev, pipe);
+	drm_vblank_off(dev, pipe, false);
 
 	/* FBC must be disabled before disabling the plane on HSW. */
 	if (dev_priv->fbc.plane == plane)
@@ -3774,7 +3774,7 @@ static void ironlake_crtc_disable(struct drm_crtc *crtc)
 		encoder->disable(encoder);
 
 	intel_crtc_wait_for_pending_flips(crtc);
-	drm_vblank_off(dev, pipe);
+	drm_vblank_off(dev, pipe, false);
 
 	if (dev_priv->fbc.plane == plane)
 		intel_disable_fbc(dev);
@@ -4239,7 +4239,7 @@ static void i9xx_crtc_disable(struct drm_crtc *crtc)
 
 	/* Give the overlay scaler a chance to disable if it's on this pipe */
 	intel_crtc_wait_for_pending_flips(crtc);
-	drm_vblank_off(dev, pipe);
+	drm_vblank_off(dev, pipe, false);
 
 	if (dev_priv->fbc.plane == plane)
 		intel_disable_fbc(dev);
diff --git a/drivers/gpu/drm/tegra/dc.c b/drivers/gpu/drm/tegra/dc.c
index 9336006..480bfec 100644
--- a/drivers/gpu/drm/tegra/dc.c
+++ b/drivers/gpu/drm/tegra/dc.c
@@ -324,7 +324,7 @@ static void tegra_crtc_disable(struct drm_crtc *crtc)
 		}
 	}
 
-	drm_vblank_off(drm, dc->pipe);
+	drm_vblank_off(drm, dc->pipe, false);
 }
 
 static bool tegra_crtc_mode_fixup(struct drm_crtc *crtc,
diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index f974da9..ee40483 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -1090,6 +1090,7 @@ struct drm_vblank_crtc {
 	int crtc;			/* crtc index */
 	bool enabled;			/* so we don't call enable more than
 					   once per disable */
+	bool reject;			/* reject drm_vblank_get()? */
 };
 
 /**
@@ -1400,7 +1401,8 @@ extern void drm_send_vblank_event(struct drm_device *dev, int crtc,
 extern bool drm_handle_vblank(struct drm_device *dev, int crtc);
 extern int drm_vblank_get(struct drm_device *dev, int crtc);
 extern void drm_vblank_put(struct drm_device *dev, int crtc);
-extern void drm_vblank_off(struct drm_device *dev, int crtc);
+extern void drm_vblank_off(struct drm_device *dev, int crtc, bool reject);
+extern void drm_vblank_on(struct drm_device *dev, int crtc);
 extern void drm_vblank_cleanup(struct drm_device *dev);
 extern u32 drm_get_last_vbltimestamp(struct drm_device *dev, int crtc,
 				     struct timeval *tvblank, unsigned flags);
