struct drm_mode_config_funcs — basic driver provided mode setting functions
struct drm_mode_config_funcs { struct drm_framebuffer *(* fb_create) (struct drm_device *dev,struct drm_file *file_priv,struct drm_mode_fb_cmd2 *mode_cmd); void (* output_poll_changed) (struct drm_device *dev); int (* atomic_check) (struct drm_device *dev,struct drm_atomic_state *a); int (* atomic_commit) (struct drm_device *dev,struct drm_atomic_state *a,bool async); };