drm: Move drm_class to drm_internal.h

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/drivers/gpu/drm/drm_internal.h b/drivers/gpu/drm/drm_internal.h
index d6dc755..7e459bf 100644
--- a/drivers/gpu/drm/drm_internal.h
+++ b/drivers/gpu/drm/drm_internal.h
@@ -71,6 +71,8 @@
 int drm_remove_magic(struct drm_master *master, drm_magic_t magic);
 
 /* drm_sysfs.c */
+extern struct class *drm_class;
+
 struct class *drm_sysfs_create(struct module *owner, char *name);
 void drm_sysfs_destroy(void);
 struct device *drm_sysfs_minor_alloc(struct drm_minor *minor);
diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index 0308214..b603cb4 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -1052,8 +1052,6 @@
 extern void drm_unplug_dev(struct drm_device *dev);
 extern unsigned int drm_debug;
 
-extern struct class *drm_class;
-
 				/* Debugfs support */
 #if defined(CONFIG_DEBUG_FS)
 extern int drm_debugfs_init(struct drm_minor *minor, int minor_id,