Re: [RFC PATCH v9 3/4] drm/virtio: implement userptr resource support

[Dmitry Osipenko]

24.09.2026 12:55, Honglei Huang пишет:
> +static struct dma_buf *
> +virtio_gpu_userptr_prime_export(struct drm_gem_object *obj, int flags)
> +{
> +	return ERR_PTR(-EINVAL);
> +}
> +
> +static const struct drm_gem_object_funcs virtio_gpu_userptr_funcs = {
> +	.open = virtio_gpu_gem_object_open,
> +	.close = virtio_gpu_gem_object_close,
> +	.free = virtio_gpu_userptr_free,
> +	.export = virtio_gpu_userptr_prime_export,
> +};

Is virtio_gpu_userptr_prime_export() optional?

-- 
Best regards,
Dmitry