RE: i2c issue on Panda with DT boot, v3.10-rc4

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Tony Lindgren [tony@xxxxxxxxxxx]:

> * Tomi Valkeinen <tomi.valkeinen@xxxxxx> [130607 05:53]:

> > With that one, I don't get timeouts, but it still doesn't work (i.e.
> > behavior is the same as on -rc1).
> >
> > When I run i2cdump the first time, I see that it (probably) manages to
> > read the first byte, as that's "00". Everything after that are 'XX'es.
>
> Hmm I suggest git bisect, I'm pretty sure I was using my panda es
> with my omap4 DT conversion patches against v3.10-rc1.

As I mentioned, it doesn't work on v3.10-rc1 either. Note that DVI output
itself works fine, it's the EDID read that fails. So if you force the
videomode, you won't notice anything.

I didn't try with v3.9 (does DT boot work on that one?), though. So I don't
know if reading EDID has ever worked with DT boot.

 Tomi

Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki


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