drm_mode_addfb2
ret = drm_mode_addfb2(dev, &fb_req, client->file);
int drm_mode_addfb2(struct drm_device *dev,
ret = drm_mode_addfb2(dev, &r, file_priv);
return drm_mode_addfb2(dev, data, file_priv);
err = drm_ioctl_kernel(file, drm_mode_addfb2, &req64, 0);