Re: [PATCH 26/40] drm/i915: Parametrize VLV_DDL registers

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On Wed, Jul 30, 2014 at 05:43:10PM -0300, Paulo Zanoni wrote:
> 2014-06-27 20:04 GMT-03:00  <ville.syrjala@xxxxxxxxxxxxxxx>:
> > From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> >
> > The VLV/CHV DDL registers are uniform, and neatly enough the register
> > offsets are sane so we can easily unify them to a single set of defines
> > and just pass the pipe as the parameter to compute the register offset.
> 
> What the commit message doesn't tell is that now we will call
> vlv_compute_drain_latency() for pipe C on CHV since I see CHV is
> defined with num_pipes=3. I think this is quite an important detail,
> since it's the only way this patch changes the behavior of the code.
> 
> If that is intentional and correct, then I suggest amending the commit
> message, even maybe the patch title. Then you can add: Reviewed-by:
> Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx>.

One of the following patches will add a proper cherryview_update_wm()
function which also fills out the actual watermarks for pipe C. Ideally
I probably should have reordered these patches. But I'll add a note
of some sort here to avoid bigger reordering pains now.

-- 
Ville Syrjälä
Intel OTC
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