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

Ville Syrjälä ville.syrjala at linux.intel.com
Tue Apr 7 19:10:50 UTC 2020


On Tue, Apr 07, 2020 at 08:52:05PM +0200, Sam Ravnborg wrote:
> 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

I thought I had actual numbers in the pahole patch, which would have
been invalidated by moving this. But looks like I didn't even have those
numers there (must have been in the previous cover letter). So yeah,
I guess I'll just squash this with the removal patch.

> 
> 	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
> > 
> > _______________________________________________
> > dri-devel mailing list
> > dri-devel at lists.freedesktop.org
> > https://lists.freedesktop.org/mailman/listinfo/dri-devel

-- 
Ville Syrjälä
Intel


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