drm: Move drm_class to drm_internal.h

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

drivers/gpu/drm/drm_internal.h

@@ -71,6 +71,8 @@ int drm_authmagic(struct drm_device *dev, void *data,
 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);

include/drm/drmP.h

@@ -1052,8 +1052,6 @@ extern void drm_put_dev(struct drm_device *dev);
 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,