drm/legacy: move legacy dev reinit into legacy misc

This moves the legacy dev reinit into the legacy misc file.
Reviewed-by: NDaniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: NDave Airlie <airlied@redhat.com>

drivers/gpu/drm/drm_file.c

@@ -425,30 +425,6 @@ static int drm_open_helper(struct file *filp, struct drm_minor *minor)
 	return 0;
 }
 
-static void drm_legacy_dev_reinit(struct drm_device *dev)
-{
-	if (dev->irq_enabled)
-		drm_irq_uninstall(dev);
-
-	mutex_lock(&dev->struct_mutex);
-
-	drm_legacy_agp_clear(dev);
-
-	drm_legacy_sg_cleanup(dev);
-	drm_legacy_vma_flush(dev);
-	drm_legacy_dma_takedown(dev);
-
-	mutex_unlock(&dev->struct_mutex);
-
-	dev->sigdata.lock = NULL;
-
-	dev->context_flag = 0;
-	dev->last_context = 0;
-	dev->if_version = 0;
-
-	DRM_DEBUG("lastclose completed\n");
-}
-
 void drm_lastclose(struct drm_device * dev)
 {
 	DRM_DEBUG("\n");

drivers/gpu/drm/drm_legacy.h

@@ -138,6 +138,7 @@ int drm_legacy_sg_free(struct drm_device *dev, void *data,
 
 void drm_legacy_init_members(struct drm_device *dev);
 void drm_legacy_destroy_members(struct drm_device *dev);
+void drm_legacy_dev_reinit(struct drm_device *dev);
 
 void drm_legacy_lock_master_cleanup(struct drm_device *dev, struct drm_master *master);
 #endif /* __DRM_LEGACY_H__ */

drivers/gpu/drm/drm_legacy_misc.c

@@ -50,3 +50,27 @@ void drm_legacy_destroy_members(struct drm_device *dev)
 {
 	mutex_destroy(&dev->ctxlist_mutex);
 }
+
+void drm_legacy_dev_reinit(struct drm_device *dev)
+{
+	if (dev->irq_enabled)
+		drm_irq_uninstall(dev);
+
+	mutex_lock(&dev->struct_mutex);
+
+	drm_legacy_agp_clear(dev);
+
+	drm_legacy_sg_cleanup(dev);
+	drm_legacy_vma_flush(dev);
+	drm_legacy_dma_takedown(dev);
+
+	mutex_unlock(&dev->struct_mutex);
+
+	dev->sigdata.lock = NULL;
+
+	dev->context_flag = 0;
+	dev->last_context = 0;
+	dev->if_version = 0;
+
+	DRM_DEBUG("lastclose completed\n");
+}