On Wed, Feb 19, 2020 at 10:35:39PM +0200, Ville Syrjala wrote:
> From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
>
> We only have 7 bits defined for mode->type. Shrink the storage to u8.
>
> Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> ---
> 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 2bb2b1a8592a..5c20285cc317 100644
> --- a/include/drm/drm_modes.h
> +++ b/include/drm/drm_modes.h
> @@ -270,7 +270,7 @@ struct drm_display_mode {
> * which are stuck around for hysterical raisins only. No one has an
> * idea what they were meant for. Don't use.
> */
> - unsigned int type;
> + u8 type;
Unfortunately DRM_MODE_TYPE_DRIVER is the largest and still in use,
otherwise we could have cut off a few more bits here :-)
Reviewed-by: Daniel Vetter <daniel.vetter@xxxxxxxx>
>
> /**
> * @clock:
> --
> 2.24.1
>
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--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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