Re: [PATCH v2 1/5] drm/etnaviv: Use unsigned type to count the number of pages

[Lucas Stach <l.stach@pengutronix.de>]

Am Sonntag, dem 08.09.2024 um 20:11 +0800 schrieb Sui Jingfeng:
> The drm_prime_pages_to_sg() function takes an 'unsigned int' argument to
> store the length of the page vector. The size of the object in number of
> CPU pages can not be negative, hence, use 'unsigned' variable to store
> the number of pages, instead of the 'signed' one.
> 
> Reviewed-by: Christian Gmeiner <cgmeiner@igalia.com>
> Signed-off-by: Sui Jingfeng <sui.jingfeng@linux.dev>

Thanks, series applied to etnaviv/next.

> ---
> 
> v2: Pick up tags and improve commit message
> 
>  drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c b/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c
> index 3524b5811682..6b98200068e4 100644
> --- a/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c
> +++ b/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c
> @@ -17,7 +17,7 @@ static struct lock_class_key etnaviv_prime_lock_class;
>  struct sg_table *etnaviv_gem_prime_get_sg_table(struct drm_gem_object *obj)
>  {
>  	struct etnaviv_gem_object *etnaviv_obj = to_etnaviv_bo(obj);
> -	int npages = obj->size >> PAGE_SHIFT;
> +	unsigned int npages = obj->size >> PAGE_SHIFT;
>  
>  	if (WARN_ON(!etnaviv_obj->pages))  /* should have already pinned! */
>  		return ERR_PTR(-EINVAL);