On Tue, Sep 17, 2013 at 06:15:31PM +0300, Jani Nikula wrote:
> On Tue, 17 Sep 2013, Paulo Zanoni <przanoni@xxxxxxxxx> wrote:
> > From: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx>
> >
> > So far we control everything and nothing exceeds the current limits,
> > but (i) we never think about these limits when reviewing patches, (ii)
> > not all the callers check the return values and (iii) if we ever hit
> > any of these messages, we'll have to fix the code that added the bad
> > message.
> >
> > The current limit for these messages is 20 since we only have 5 data
> > registers on all the current gens.
> >
> > The checks inside intel_dp_aux_native_{write,read} are to prevent
> > buffer overflows. The check inside intel_dp_aux_ch is to prevent
> > writing past our 5 data registers.
>
> I wish there were fewer magic values, but it does what it says on the
> box.
>
> Reviewed-by: Jani Nikula <jani.nikula@xxxxxxxxx>
Is that for both patches? I've merged the first one for now to dinq ...
Thanks, Daniel
--
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
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