217 	struct tegra_fbdev *fbdev = to_tegra_fbdev(helper);  in tegra_fbdev_probe()  local
252 	fbdev->fb = tegra_fb_alloc(drm, &cmd, &bo, 1);  in tegra_fbdev_probe()
253 	if (IS_ERR(fbdev->fb)) {  in tegra_fbdev_probe()
254 		err = PTR_ERR(fbdev->fb);  in tegra_fbdev_probe()
258 		return PTR_ERR(fbdev->fb);  in tegra_fbdev_probe()
261 	fb = fbdev->fb;  in tegra_fbdev_probe()
263 	helper->fbdev = info;  in tegra_fbdev_probe()
301 	struct tegra_fbdev *fbdev;  in tegra_fbdev_create()  local
303 	fbdev = kzalloc(sizeof(*fbdev), GFP_KERNEL);  in tegra_fbdev_create()
304 	if (!fbdev) {  in tegra_fbdev_create()
309 	drm_fb_helper_prepare(drm, &fbdev->base, &tegra_fb_helper_funcs);  in tegra_fbdev_create()
311 	return fbdev;  in tegra_fbdev_create()
314 static void tegra_fbdev_free(struct tegra_fbdev *fbdev)  in tegra_fbdev_free()  argument
316 	kfree(fbdev);  in tegra_fbdev_free()
319 static int tegra_fbdev_init(struct tegra_fbdev *fbdev,  in tegra_fbdev_init()  argument
324 	struct drm_device *drm = fbdev->base.dev;  in tegra_fbdev_init()
327 	err = drm_fb_helper_init(drm, &fbdev->base);  in tegra_fbdev_init()
334 	err = drm_fb_helper_initial_config(&fbdev->base, preferred_bpp);  in tegra_fbdev_init()
344 	drm_fb_helper_fini(&fbdev->base);  in tegra_fbdev_init()
348 static void tegra_fbdev_exit(struct tegra_fbdev *fbdev)  in tegra_fbdev_exit()  argument
350 	drm_fb_helper_unregister_fbi(&fbdev->base);  in tegra_fbdev_exit()
352 	if (fbdev->fb) {  in tegra_fbdev_exit()
353 		struct tegra_bo *bo = tegra_fb_get_plane(fbdev->fb, 0);  in tegra_fbdev_exit()
361 		drm_framebuffer_remove(fbdev->fb);  in tegra_fbdev_exit()
364 	drm_fb_helper_fini(&fbdev->base);  in tegra_fbdev_exit()
365 	tegra_fbdev_free(fbdev);  in tegra_fbdev_exit()
374 	tegra->fbdev = tegra_fbdev_create(drm);  in tegra_drm_fb_prepare()
375 	if (IS_ERR(tegra->fbdev))  in tegra_drm_fb_prepare()
376 		return PTR_ERR(tegra->fbdev);  in tegra_drm_fb_prepare()
387 	tegra_fbdev_free(tegra->fbdev);  in tegra_drm_fb_free()
397 	err = tegra_fbdev_init(tegra->fbdev, 32, drm->mode_config.num_crtc,  in tegra_drm_fb_init()
411 	tegra_fbdev_exit(tegra->fbdev);  in tegra_drm_fb_exit()