#ifndef __DRM_FB_CMA_HELPER_H__
  #define __DRM_FB_CMA_HELPER_H__
  
  struct drm_fbdev_cma;
  struct drm_gem_cma_object;
  
  struct drm_framebuffer;
  struct drm_device;
  struct drm_file;
  struct drm_mode_fb_cmd2;
  
  struct drm_fbdev_cma *drm_fbdev_cma_init(struct drm_device *dev,
  	unsigned int preferred_bpp, unsigned int num_crtc,
  	unsigned int max_conn_count);
  void drm_fbdev_cma_fini(struct drm_fbdev_cma *fbdev_cma);
  
  void drm_fbdev_cma_restore_mode(struct drm_fbdev_cma *fbdev_cma);
  void drm_fbdev_cma_hotplug_event(struct drm_fbdev_cma *fbdev_cma);
  
  struct drm_framebuffer *drm_fb_cma_create(struct drm_device *dev,
  	struct drm_file *file_priv, struct drm_mode_fb_cmd2 *mode_cmd);
  
  struct drm_gem_cma_object *drm_fb_cma_get_gem_obj(struct drm_framebuffer *fb,
  	unsigned int plane);

  #ifdef CONFIG_DEBUG_FS

  int drm_fb_cma_debugfs_show(struct seq_file *m, void *arg);
  #endif

  #endif