Re: [PATCH 4/5] drm/i915: Let number of workarounds more clear

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On Fri, Sep 26, 2014 at 01:58:12PM +0100, Chris Wilson wrote:
> > > I have a bit mixed feelings with this patch as I have tripped
> > > around here myself recently.
> > >
> > > I think we should just drop this patch and use:
> > > ret = intel_ring_begin(ring, 3 * <amount>) on the subsequent
> > > patches that modify the amount.
> > >
> > > This way the intel_ring_begin will always be the one that
> > > shows in a diff. And raises alarm if it doesnt. We don't want
> > > this to be too transparent and looking too easy for the next reader.
> > > As the reviewer is the only and last line of defense ensuring
> > > symmetry between intel_ring_begin and amount of emits.
> > 
> > Considering intel_ring_emit_wa() adds all the needed information to
> > dev_priv->intel_wa_regs and dev_priv->num_wa_regs anyway, we could
> > trivially split this into constructing dev_priv->intel_wa_regs first,
> 
> And only *once*.

Note that Arun is signed up to fix all of that, starting with proposing
changes upfront.

-- 
Damien
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