Re: [PATCH v2] drm/i915: Rename defines for selection of ddi buffer translation slot

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On Wed, Aug 27, 2014 at 02:16:13PM +0300, Ville Syrjälä wrote:
> On Fri, Aug 08, 2014 at 01:36:17PM +0100, Damien Lespiau wrote:
> > On Fri, Aug 08, 2014 at 05:47:25PM +0530, sonika.jindal@xxxxxxxxx wrote:
> > >  	/* Start the training iterating through available voltages and emphasis,
> > >  	 * testing each value twice. */
> > > -	for (i = 0; i < ARRAY_SIZE(hsw_ddi_buf_ctl_values) * 2; i++) {
> > > +	for (i = 0; i < ARRAY_SIZE(hsw_ddi_translations_fdi); i++) {
> > 
> > This is correct but obsfucated. You're actually doing
> > ARRAY_SIZE(hsw_ddi_translations_fdi) / 2 * 2 and we might as well give
> > the ARRAY_SIZE(hsw_ddi_translations_fdi) / 2 a proper name like I
> > suggested.
> 
> I've been wondering why we don't have something like:
> 
> struct ddi_buf_trans {
> 	u32 deemp;
> 	u32 vswing;
> }
> 
> and use that instead of having the magic /2 appear in places.

Yes, this is something we've discussed in a separate thread with Jani as
well and that'd be indeed even better. Someone wants to sign up for
that?

-- 
Damien
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