218 	struct tegra_fbdev *fbdev = to_tegra_fbdev(helper);  in tegra_fbdev_probe()  local
253 	fbdev->fb = tegra_fb_alloc(drm, &cmd, &bo, 1);  in tegra_fbdev_probe()
254 	if (IS_ERR(fbdev->fb)) {  in tegra_fbdev_probe()
255 		err = PTR_ERR(fbdev->fb);  in tegra_fbdev_probe()
259 		return PTR_ERR(fbdev->fb);  in tegra_fbdev_probe()
262 	fb = fbdev->fb;  in tegra_fbdev_probe()
264 	helper->fbdev = info;  in tegra_fbdev_probe()
302 	struct tegra_fbdev *fbdev;  in tegra_fbdev_create()  local
304 	fbdev = kzalloc(sizeof(*fbdev), GFP_KERNEL);  in tegra_fbdev_create()
305 	if (!fbdev) {  in tegra_fbdev_create()
310 	drm_fb_helper_prepare(drm, &fbdev->base, &tegra_fb_helper_funcs);  in tegra_fbdev_create()
312 	return fbdev;  in tegra_fbdev_create()
315 static void tegra_fbdev_free(struct tegra_fbdev *fbdev)  in tegra_fbdev_free()  argument
317 	kfree(fbdev);  in tegra_fbdev_free()
320 static int tegra_fbdev_init(struct tegra_fbdev *fbdev,  in tegra_fbdev_init()  argument
325 	struct drm_device *drm = fbdev->base.dev;  in tegra_fbdev_init()
328 	err = drm_fb_helper_init(drm, &fbdev->base);  in tegra_fbdev_init()
335 	err = drm_fb_helper_initial_config(&fbdev->base, preferred_bpp);  in tegra_fbdev_init()
345 	drm_fb_helper_fini(&fbdev->base);  in tegra_fbdev_init()
349 static void tegra_fbdev_exit(struct tegra_fbdev *fbdev)  in tegra_fbdev_exit()  argument
351 	drm_fb_helper_unregister_fbi(&fbdev->base);  in tegra_fbdev_exit()
353 	if (fbdev->fb) {  in tegra_fbdev_exit()
354 		struct tegra_bo *bo = tegra_fb_get_plane(fbdev->fb, 0);  in tegra_fbdev_exit()
362 		drm_framebuffer_remove(fbdev->fb);  in tegra_fbdev_exit()
365 	drm_fb_helper_fini(&fbdev->base);  in tegra_fbdev_exit()
366 	tegra_fbdev_free(fbdev);  in tegra_fbdev_exit()
375 	tegra->fbdev = tegra_fbdev_create(drm);  in tegra_drm_fb_prepare()
376 	if (IS_ERR(tegra->fbdev))  in tegra_drm_fb_prepare()
377 		return PTR_ERR(tegra->fbdev);  in tegra_drm_fb_prepare()
388 	tegra_fbdev_free(tegra->fbdev);  in tegra_drm_fb_free()
398 	err = tegra_fbdev_init(tegra->fbdev, 32, drm->mode_config.num_crtc,  in tegra_drm_fb_init()
412 	tegra_fbdev_exit(tegra->fbdev);  in tegra_drm_fb_exit()