drm/virtio: Remove open-coded commit-tail function

	return &virtio_gpu_fb->base;

}

static void vgdev_atomic_commit_tail(struct drm_atomic_state *state)

{

	struct drm_device *dev = state->dev;

	drm_atomic_helper_commit_modeset_disables(dev, state);

	drm_atomic_helper_commit_modeset_enables(dev, state);

	drm_atomic_helper_commit_planes(dev, state, 0);

	drm_atomic_helper_fake_vblank(state);

	drm_atomic_helper_commit_hw_done(state);

	drm_atomic_helper_wait_for_vblanks(dev, state);

	drm_atomic_helper_cleanup_planes(dev, state);

}

static const struct drm_mode_config_helper_funcs virtio_mode_config_helpers = {

	.atomic_commit_tail = vgdev_atomic_commit_tail,

};

static const struct drm_mode_config_funcs virtio_gpu_mode_funcs = {

	.fb_create = virtio_gpu_user_framebuffer_create,

	.atomic_check = drm_atomic_helper_check,

	drm_mode_config_init(vgdev->ddev);

	vgdev->ddev->mode_config.quirk_addfb_prefer_host_byte_order = true;

	vgdev->ddev->mode_config.funcs = &virtio_gpu_mode_funcs;

	vgdev->ddev->mode_config.helper_private = &virtio_mode_config_helpers;

	/* modes will be validated against the framebuffer size */

	vgdev->ddev->mode_config.min_width = XRES_MIN;