On 08.04.2026 08:49, Chen-Yu Tsai wrote:
> In the recent change to use the GEM base object's size field instead of
> the exynos_gem object's additional field, the printk format was not
> adjusted for the change to size_t type. This causes a new warning on
> platforms on which size_t is not unsigned long.
>
> Fix this by using the correct "%zx" type.
>
> While at it, fix the specifier for dma_addr so that the cast to unsigned
> long is not longer needed.
>
> Reported-by: kernel test robot <[email protected]>
> Closes: 
> https://lore.kernel.org/oe-kbuild-all/[email protected]/
> Fixes: 11e898373fba ("drm/exynos: Drop exynos_drm_gem.size field")
> Signed-off-by: Chen-Yu Tsai <[email protected]>

Acked-by: Marek Szyprowski <[email protected]>


> ---
> This is only compile tested. Build for ARM 32-bit confirms the warning
> is fixed. Sorry for the noise.
>
> The commit hash used in the Fixes tag is the current one seen in
> exynos-drm-next.
> ---
>  drivers/gpu/drm/exynos/exynos_drm_gem.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.c 
> b/drivers/gpu/drm/exynos/exynos_drm_gem.c
> index d9d42809a1a9..f264e170bc26 100644
> --- a/drivers/gpu/drm/exynos/exynos_drm_gem.c
> +++ b/drivers/gpu/drm/exynos/exynos_drm_gem.c
> @@ -66,8 +66,8 @@ static int exynos_drm_alloc_buf(struct exynos_drm_gem 
> *exynos_gem, bool kvmap)
>       if (kvmap)
>               exynos_gem->kvaddr = exynos_gem->cookie;
>  
> -     DRM_DEV_DEBUG_KMS(drm_dev_dma_dev(dev), "dma_addr(0x%lx), 
> size(0x%lx)\n",
> -                     (unsigned long)exynos_gem->dma_addr, 
> exynos_gem->base.size);
> +     DRM_DEV_DEBUG_KMS(drm_dev_dma_dev(dev), "dma_addr(%pad), size(0x%zx)\n",
> +                       &exynos_gem->dma_addr, exynos_gem->base.size);
>       return 0;
>  }
>  
> @@ -80,8 +80,8 @@ static void exynos_drm_free_buf(struct exynos_drm_gem 
> *exynos_gem)
>               return;
>       }
>  
> -     DRM_DEV_DEBUG_KMS(dev->dev, "dma_addr(0x%lx), size(0x%lx)\n",
> -                     (unsigned long)exynos_gem->dma_addr, 
> exynos_gem->base.size);
> +     DRM_DEV_DEBUG_KMS(dev->dev, "dma_addr(%pad), size(0x%zx)\n",
> +                       &exynos_gem->dma_addr, exynos_gem->base.size);
>  
>       dma_free_attrs(drm_dev_dma_dev(dev), exynos_gem->base.size, 
> exynos_gem->cookie,
>                       (dma_addr_t)exynos_gem->dma_addr,

Best regards
-- 
Marek Szyprowski, PhD
Samsung R&D Institute Poland

Reply via email to