[PATCH v2 10/17] drm: Shrink mode->private_flags

Sam Ravnborg sam at ravnborg.org
Tue Apr 7 18:52:05 UTC 2020


On Fri, Apr 03, 2020 at 11:40:01PM +0300, Ville Syrjala wrote:
> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
> 
> gma500 needs 4 bits (to store a pixel multiplier) in the
> mode->private_flags, i915 currently has three bits defined.
> No one else uses this. Reduce the size to u8.
> 
> Reviewed-by: Emil Velikov <emil.velikov at collabora.com>
> Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>

I see no point in this patch.
I saw your comemnt about pahole. But you could move that patch
after you nuke private_flags and you end up with the same result.
This just confuse if one dive into the commit history

	Sam

> ---
>  include/drm/drm_modes.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/include/drm/drm_modes.h b/include/drm/drm_modes.h
> index 917527eb8067..95c23f86ae0c 100644
> --- a/include/drm/drm_modes.h
> +++ b/include/drm/drm_modes.h
> @@ -378,7 +378,7 @@ struct drm_display_mode {
>  	 * by atomic drivers since they can store any additional data by
>  	 * subclassing state structures.
>  	 */
> -	int private_flags;
> +	u8 private_flags;
>  
>  	/**
>  	 * @picture_aspect_ratio:
> -- 
> 2.24.1
> 
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