Re: [PATCH v3] drm/virtio: use uninterruptible resv lock for plane updates

[Dmitry Osipenko]

On 5/15/26 11:40, Deepanshu Kartikey wrote:
> +int virtio_gpu_array_lock_resv_uninterruptible(struct virtio_gpu_object_array *objs)
> +{
> +	unsigned int i;
> +	int ret = 0;
> +
> +	if (objs->nents == 1) {
> +		dma_resv_lock(objs->objs[0]->resv, NULL);
> +	} else {
> +		ret = drm_gem_lock_reservations(objs->objs, objs->nents,
> +						&objs->ticket);

drm_gem_lock_reservations() is interruptible. Given that only one BO
needs to be locked for the fix, make it
virtio_gpu_lock_one_resv_uninterruptible() and fail with -EINVAL if
objs->nents > 1

-- 
Best regards,
Dmitry