[Intel-gfx] [PATCH v4 04/21] drm/prime: Prepare to dynamic dma-buf locking specification

Christian König christian.koenig at amd.com
Thu Sep 1 06:42:28 UTC 2022


Am 31.08.22 um 17:37 schrieb Dmitry Osipenko:
> Prepare DRM prime core to the common dynamic dma-buf locking convention
> by starting to use the unlocked versions of dma-buf API functions.
>
> Signed-off-by: Dmitry Osipenko <dmitry.osipenko at collabora.com>

Reviewed-by: Christian König <christian.koenig at amd.com>

> ---
>   drivers/gpu/drm/drm_prime.c | 6 +++---
>   1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/drm_prime.c b/drivers/gpu/drm/drm_prime.c
> index eb09e86044c6..20e109a802ae 100644
> --- a/drivers/gpu/drm/drm_prime.c
> +++ b/drivers/gpu/drm/drm_prime.c
> @@ -940,7 +940,7 @@ struct drm_gem_object *drm_gem_prime_import_dev(struct drm_device *dev,
>   
>   	get_dma_buf(dma_buf);
>   
> -	sgt = dma_buf_map_attachment(attach, DMA_BIDIRECTIONAL);
> +	sgt = dma_buf_map_attachment_unlocked(attach, DMA_BIDIRECTIONAL);
>   	if (IS_ERR(sgt)) {
>   		ret = PTR_ERR(sgt);
>   		goto fail_detach;
> @@ -958,7 +958,7 @@ struct drm_gem_object *drm_gem_prime_import_dev(struct drm_device *dev,
>   	return obj;
>   
>   fail_unmap:
> -	dma_buf_unmap_attachment(attach, sgt, DMA_BIDIRECTIONAL);
> +	dma_buf_unmap_attachment_unlocked(attach, sgt, DMA_BIDIRECTIONAL);
>   fail_detach:
>   	dma_buf_detach(dma_buf, attach);
>   	dma_buf_put(dma_buf);
> @@ -1056,7 +1056,7 @@ void drm_prime_gem_destroy(struct drm_gem_object *obj, struct sg_table *sg)
>   
>   	attach = obj->import_attach;
>   	if (sg)
> -		dma_buf_unmap_attachment(attach, sg, DMA_BIDIRECTIONAL);
> +		dma_buf_unmap_attachment_unlocked(attach, sg, DMA_BIDIRECTIONAL);
>   	dma_buf = attach->dmabuf;
>   	dma_buf_detach(attach->dmabuf, attach);
>   	/* remove the reference */



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