drm: fix ordering of driver unload vs agp unload.

For KMS drivers, we really need to cleanup the driver before disabling
the AGP subsystem.

Signed-off-by: Dave Airlie <airlied@redhat.com>

drivers/gpu/drm/drm_drv.c

@@ -314,14 +314,14 @@ static void drm_cleanup(struct drm_device * dev)
 		DRM_DEBUG("mtrr_del=%d\n", retval);
 	}
 
+	if (dev->driver->unload)
+		dev->driver->unload(dev);
+
 	if (drm_core_has_AGP(dev) && dev->agp) {
 		drm_free(dev->agp, sizeof(*dev->agp), DRM_MEM_AGPLISTS);
 		dev->agp = NULL;
 	}
 
-	if (dev->driver->unload)
-		dev->driver->unload(dev);
-
 	drm_ht_remove(&dev->map_hash);
 	drm_ctxbitmap_cleanup(dev);