#ifndef _DRM_SYSFS_H_
  #define _DRM_SYSFS_H_
  
  /**
   * This minimalistic include file is intended for users (read TTM) that
   * don't want to include the full drmP.h file.
   */
  
  extern int drm_class_device_register(struct device *dev);
  extern void drm_class_device_unregister(struct device *dev);
  
  #endif