[PATCH] drm/legacy: Fix type for drm_local_map.offset

Nathan Chancellor natechancellor at gmail.com
Fri Apr 3 01:34:20 UTC 2020


On Thu, Apr 02, 2020 at 10:59:26PM +0100, Chris Wilson wrote:
> drm_local_map.offset is not only used for resource_size_t but also
> dma_addr_t which may be of different sizes.
> 
> Reported-by: Nathan Chancellor <natechancellor at gmail.com>
> Fixes: 8e4ff9b56957 ("drm: Remove the dma_alloc_coherent wrapper for internal usage")
> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
> Cc: Dave Airlie <airlied at gmail.com>
> Cc: Nathan Chancellor <natechancellor at gmail.com>
> Cc: Linus Torvalds <torvalds at linux-foundation.org>
> ---
>  include/drm/drm_legacy.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/include/drm/drm_legacy.h b/include/drm/drm_legacy.h
> index dcef3598f49e..aed382c17b26 100644
> --- a/include/drm/drm_legacy.h
> +++ b/include/drm/drm_legacy.h
> @@ -136,7 +136,7 @@ struct drm_sg_mem {
>   * Kernel side of a mapping
>   */
>  struct drm_local_map {
> -	resource_size_t offset;	 /**< Requested physical address (0 for SAREA)*/
> +	dma_addr_t offset;	 /**< Requested physical address (0 for SAREA)*/
>  	unsigned long size;	 /**< Requested physical size (bytes) */
>  	enum drm_map_type type;	 /**< Type of memory to map */
>  	enum drm_map_flags flags;	 /**< Flags */
> -- 
> 2.20.1
> 

Thanks for the quick fix!

I ran it through my set of build tests and nothing else seems to have
broken (at least not any more than it already is...).

Tested-by: Nathan Chancellor <natechancellor at gmail.com> # build


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