Index: dev/drm/radeon_cp.c
===================================================================
--- dev/drm/radeon_cp.c	(revision 189044)
+++ dev/drm/radeon_cp.c	(working copy)
@@ -1751,6 +1751,12 @@
 	else
 		dev_priv->flags |= RADEON_IS_PCI;
 
+	ret = drm_vblank_init(dev, 2);
+	if (ret) {
+		radeon_driver_unload(dev);
+		return ret;
+	}
+
 	DRM_DEBUG("%s card detected\n",
 		  ((dev_priv->flags & RADEON_IS_AGP) ? "AGP" : (((dev_priv->flags & RADEON_IS_PCIE) ? "PCIE" : "PCI"))));
 	return ret;
Index: dev/drm/mach64_irq.c
===================================================================
--- dev/drm/mach64_irq.c	(revision 189044)
+++ dev/drm/mach64_irq.c	(working copy)
@@ -146,7 +146,7 @@
 
 int mach64_driver_irq_postinstall(struct drm_device * dev)
 {
-	return drm_vblank_init(dev, 1);
+	return 0;
 }
 
 void mach64_driver_irq_uninstall(struct drm_device * dev)
Index: dev/drm/drm_irq.c
===================================================================
--- dev/drm/drm_irq.c	(revision 189052)
+++ dev/drm/drm_irq.c	(working copy)
@@ -96,7 +96,7 @@
 	}
 }
 
-static void drm_vblank_cleanup(struct drm_device *dev)
+void drm_vblank_cleanup(struct drm_device *dev)
 {
 	unsigned long irqflags;
 
@@ -213,8 +213,6 @@
 	bus_teardown_intr(dev->device, dev->irqr, dev->irqh);
 	DRM_LOCK();
 
-	drm_vblank_cleanup(dev);
-
 	return 0;
 }
 
Index: dev/drm/i915_irq.c
===================================================================
--- dev/drm/i915_irq.c	(revision 189054)
+++ dev/drm/i915_irq.c	(working copy)
@@ -484,12 +484,7 @@
 int i915_driver_irq_postinstall(struct drm_device *dev)
 {
 	drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
-	int ret, num_pipes = 2;
 
-	ret = drm_vblank_init(dev, num_pipes);
-	if (ret)
-		return ret;
-
 	dev_priv->vblank_pipe = DRM_I915_VBLANK_PIPE_A | DRM_I915_VBLANK_PIPE_B;
 
 	dev->max_vblank_count = 0xffffff; /* only 24 bits of frame count */
Index: dev/drm/r128_drv.c
===================================================================
--- dev/drm/r128_drv.c	(revision 189044)
+++ dev/drm/r128_drv.c	(working copy)
@@ -52,6 +52,7 @@
 	    DRIVER_SG | DRIVER_HAVE_DMA | DRIVER_HAVE_IRQ;
 
 	dev->driver->buf_priv_size	= sizeof(drm_r128_buf_priv_t);
+	dev->driver->load		= r128_driver_load;
 	dev->driver->preclose		= r128_driver_preclose;
 	dev->driver->lastclose		= r128_driver_lastclose;
 	dev->driver->get_vblank_counter	= r128_get_vblank_counter;
@@ -93,6 +94,11 @@
 	return drm_attach(nbdev, r128_pciidlist);
 }
 
+int r128_driver_load(struct drm_device * dev, unsigned long flags)
+{
+	return drm_vblank_init(dev, 1);
+}
+
 static int
 r128_detach(device_t nbdev)
 {
Index: dev/drm/i915_dma.c
===================================================================
--- dev/drm/i915_dma.c	(revision 189054)
+++ dev/drm/i915_dma.c	(working copy)
@@ -902,6 +902,13 @@
 #endif
 	DRM_SPININIT(&dev_priv->user_irq_lock, "userirq");
 
+	ret = drm_vblank_init(dev, I915_NUM_PIPE);
+
+	if (ret) {
+		(void) i915_driver_unload(dev);
+		return ret;
+	}
+
 	return ret;
 }
 
Index: dev/drm/r128_drv.h
===================================================================
--- dev/drm/r128_drv.h	(revision 189044)
+++ dev/drm/r128_drv.h	(working copy)
@@ -162,6 +162,7 @@
 extern int r128_driver_irq_postinstall(struct drm_device * dev);
 extern void r128_driver_irq_uninstall(struct drm_device * dev);
 extern void r128_driver_lastclose(struct drm_device * dev);
+extern int r128_driver_load(struct drm_device * dev, unsigned long flags);
 extern void r128_driver_preclose(struct drm_device * dev,
 				 struct drm_file *file_priv);
 
Index: dev/drm/drmP.h
===================================================================
--- dev/drm/drmP.h	(revision 189052)
+++ dev/drm/drmP.h	(working copy)
@@ -794,6 +794,7 @@
 u32	drm_vblank_count(struct drm_device *dev, int crtc);
 int	drm_vblank_get(struct drm_device *dev, int crtc);
 void	drm_vblank_put(struct drm_device *dev, int crtc);
+void	drm_vblank_cleanup(struct drm_device *dev);
 int	drm_vblank_wait(struct drm_device *dev, unsigned int *vbl_seq);
 int	drm_vblank_init(struct drm_device *dev, int num_crtcs);
 void	drm_vbl_send_signals(struct drm_device *dev, int crtc);
Index: dev/drm/mach64_drv.c
===================================================================
--- dev/drm/mach64_drv.c	(revision 189044)
+++ dev/drm/mach64_drv.c	(working copy)
@@ -54,6 +54,7 @@
 	    DRIVER_HAVE_DMA | DRIVER_HAVE_IRQ;
 
 	dev->driver->buf_priv_size	= 1; /* No dev_priv */
+	dev->driver->load		= mach64_driver_load;
 	dev->driver->lastclose		= mach64_driver_lastclose;
 	dev->driver->get_vblank_counter	= mach64_get_vblank_counter;
 	dev->driver->enable_vblank	= mach64_enable_vblank;
@@ -94,6 +95,12 @@
 	return drm_attach(nbdev, mach64_pciidlist);
 }
 
+int
+mach64_driver_load(struct drm_device * dev, unsigned long flags)
+{
+        return drm_vblank_init(dev, 1);
+}
+
 static int
 mach64_detach(device_t nbdev)
 {
Index: dev/drm/drm_drv.c
===================================================================
--- dev/drm/drm_drv.c	(revision 189053)
+++ dev/drm/drm_drv.c	(working copy)
@@ -519,6 +519,8 @@
 		DRM_DEBUG("mtrr_del = %d", retcode);
 	}
 
+	drm_vblank_cleanup(dev);
+
 	DRM_LOCK();
 	drm_lastclose(dev);
 	DRM_UNLOCK();
Index: dev/drm/mach64_drv.h
===================================================================
--- dev/drm/mach64_drv.h	(revision 189044)
+++ dev/drm/mach64_drv.h	(working copy)
@@ -166,6 +166,7 @@
 extern int mach64_get_param(struct drm_device *dev, void *data,
 			    struct drm_file *file_priv);
 
+extern int mach64_driver_load(struct drm_device * dev, unsigned long flags);
 extern u32 mach64_get_vblank_counter(struct drm_device *dev, int crtc);
 extern int mach64_enable_vblank(struct drm_device *dev, int crtc);
 extern void mach64_disable_vblank(struct drm_device *dev, int crtc);
Index: dev/drm/r128_irq.c
===================================================================
--- dev/drm/r128_irq.c	(revision 189044)
+++ dev/drm/r128_irq.c	(working copy)
@@ -105,7 +105,7 @@
 
 int r128_driver_irq_postinstall(struct drm_device * dev)
 {
-	return drm_vblank_init(dev, 1);
+	return 0;
 }
 
 void r128_driver_irq_uninstall(struct drm_device * dev)
Index: dev/drm/i915_drv.h
===================================================================
--- dev/drm/i915_drv.h	(revision 189054)
+++ dev/drm/i915_drv.h	(working copy)
@@ -49,6 +49,8 @@
 	PIPE_B,
 };
 
+#define I915_NUM_PIPE	2
+
 /* Interface history:
  *
  * 1.1: Original.
Index: dev/drm/mga_irq.c
===================================================================
--- dev/drm/mga_irq.c	(revision 189044)
+++ dev/drm/mga_irq.c	(working copy)
@@ -157,12 +157,7 @@
 int mga_driver_irq_postinstall(struct drm_device * dev)
 {
 	drm_mga_private_t *dev_priv = (drm_mga_private_t *) dev->dev_private;
-	int ret;
 
-	ret = drm_vblank_init(dev, 1);
-	if (ret)
-		return ret;
-
 	DRM_INIT_WAITQUEUE(&dev_priv->fence_queue);
 
 	/* Turn on soft trap interrupt.  Vertical blank interrupts are enabled
Index: dev/drm/radeon_irq.c
===================================================================
--- dev/drm/radeon_irq.c	(revision 189051)
+++ dev/drm/radeon_irq.c	(working copy)
@@ -372,15 +372,10 @@
 {
 	drm_radeon_private_t *dev_priv =
 	    (drm_radeon_private_t *) dev->dev_private;
-	int ret;
 
 	atomic_set(&dev_priv->swi_emitted, 0);
 	DRM_INIT_WAITQUEUE(&dev_priv->swi_queue);
 
-	ret = drm_vblank_init(dev, 2);
-	if (ret)
-		return ret;
-
 	dev->max_vblank_count = 0x001fffff;
 
 	radeon_irq_set_state(dev, RADEON_SW_INT_ENABLE, 1);
Index: dev/drm/mga_dma.c
===================================================================
--- dev/drm/mga_dma.c	(revision 189044)
+++ dev/drm/mga_dma.c	(working copy)
@@ -399,6 +399,7 @@
 int mga_driver_load(struct drm_device *dev, unsigned long flags)
 {
 	drm_mga_private_t *dev_priv;
+	int ret;
 
 	dev_priv = drm_alloc(sizeof(drm_mga_private_t), DRM_MEM_DRIVER);
 	if (!dev_priv)
@@ -418,6 +419,13 @@
 	dev->types[7] = _DRM_STAT_PRIMARY;
 	dev->types[8] = _DRM_STAT_SECONDARY;
 
+	ret = drm_vblank_init(dev, 1);
+
+	if (ret) {
+		(void) mga_driver_unload(dev);
+		return ret;
+	}
+
 	return 0;
 }