Re: [PATCH v7 14/21] media: tegra-vde: Prepare to dynamic dma-buf locking specification

[Hans Verkuil]

On 10/17/22 19:22, Dmitry Osipenko wrote:
> Prepare Tegra video decoder driver to the common dynamic dma-buf
> locking convention by starting to use the unlocked versions of dma-buf
> API functions.
> 
> Acked-by: Christian König <christian.koenig@xxxxxxx>

Acked-by: Hans Verkuil <hverkuil-cisco@xxxxxxxxx>

Thanks!

	Hans

> Signed-off-by: Dmitry Osipenko <dmitry.osipenko@xxxxxxxxxxxxx>
> ---
>  drivers/media/platform/nvidia/tegra-vde/dmabuf-cache.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/media/platform/nvidia/tegra-vde/dmabuf-cache.c b/drivers/media/platform/nvidia/tegra-vde/dmabuf-cache.c
> index 69c346148070..1c5b94989aec 100644
> --- a/drivers/media/platform/nvidia/tegra-vde/dmabuf-cache.c
> +++ b/drivers/media/platform/nvidia/tegra-vde/dmabuf-cache.c
> @@ -38,7 +38,7 @@ static void tegra_vde_release_entry(struct tegra_vde_cache_entry *entry)
>  	if (entry->vde->domain)
>  		tegra_vde_iommu_unmap(entry->vde, entry->iova);
>  
> -	dma_buf_unmap_attachment(entry->a, entry->sgt, entry->dma_dir);
> +	dma_buf_unmap_attachment_unlocked(entry->a, entry->sgt, entry->dma_dir);
>  	dma_buf_detach(dmabuf, entry->a);
>  	dma_buf_put(dmabuf);
>  
> @@ -102,7 +102,7 @@ int tegra_vde_dmabuf_cache_map(struct tegra_vde *vde,
>  		goto err_unlock;
>  	}
>  
> -	sgt = dma_buf_map_attachment(attachment, dma_dir);
> +	sgt = dma_buf_map_attachment_unlocked(attachment, dma_dir);
>  	if (IS_ERR(sgt)) {
>  		dev_err(dev, "Failed to get dmabufs sg_table\n");
>  		err = PTR_ERR(sgt);
> @@ -152,7 +152,7 @@ int tegra_vde_dmabuf_cache_map(struct tegra_vde *vde,
>  err_free:
>  	kfree(entry);
>  err_unmap:
> -	dma_buf_unmap_attachment(attachment, sgt, dma_dir);
> +	dma_buf_unmap_attachment_unlocked(attachment, sgt, dma_dir);
>  err_detach:
>  	dma_buf_detach(dmabuf, attachment);
>  err_unlock: