[Intel-gfx] [PATCH] drm/i915: Remove hole and padding from intel_shared_dpll

Ville Syrjälä ville.syrjala at linux.intel.com
Thu Mar 15 18:12:58 UTC 2018


On Thu, Mar 15, 2018 at 11:07:04AM -0700, Lucas De Marchi wrote:
> On Thu, Mar 15, 2018 at 11:54:19AM +0200, Ville Syrjälä wrote:
> > > We can even (or alternatively) make dpll_info part of intel_shared_dpll.
> > 
> > You mean something like?
> > 
> >  struct intel_shared_dpll {
> >  	...
> > -	id;
> > -	name;
> > -	flags;
> > +	const struct dpll_info *info;
> >  	...
> >  };
> 
> yep, that.
> 
> > That would make sense to me since the info seems to be all read-only
> > data. Oh and then we wouldn't even need the extra 'funcs' pointer.
> > Some extra indirection there but this isn't performance sensitive or
> > anything.
> > 
> > Even if it wouldn't make things smaller I'd still like it just for
> > the clarity of having all the read-only data being const.
> > 
> > > 
> > > Below is the diff to make funcs a pointer on top of previous patch.
> > 
> > This one is
> > Reviewed-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
> 
> Humn... do you mean the initial patch or the diff below?

The diff.

> If I'm going to
> embed dpll_info inside intel_shared_dpll, this patch would be pointless.

Yeah. But I gave the r-b anyway in case you were going to stop here.

-- 
Ville Syrjälä
Intel OTC


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