From mboxrd@z Thu Jan  1 00:00:00 1970
From: Wolfram Sang <wsa@the-dreams.de>
Subject: Re: [PATCH 5/9] i2c: rcar: init new messages in irq
Date: Sun, 25 Oct 2015 16:53:51 +0100
Message-ID: <20151025155351.GC23308@katana>
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To: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: linux-i2c@vger.kernel.org, linux-sh@vger.kernel.org, Magnus Damm <magnus.damm@gmail.com>, Simon Horman <horms@verge.net.au>, Geert Uytterhoeven <geert@linux-m68k.org>, Kuninori Morimoto <kuninori.morimoto.gx@gmail.com>, Yoshihiro Kaneko <ykaneko0929@gmail.com>, Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
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Hi,

so I did some testing regarding my setup.

> > Best report ever: I simply don't get a picture :) No warnings, no
> > messages. I think we want to make sure my HDMI->DVI converter is proper,
> > though.
>=20
> Does it work with other HDMI sources ?

I borrowed another HDMI monitor. There, my Lager board produces proper
HDMI output, both with plain HDMI connection as well as with the
HDMI->DVI converter. No I2C issues.

Seems I have to dump this other monitor which didn't even display the
output of the Chromecast I had lying around.


> > So, here is the NACK bit set. Which does not happen on my Lager and
> > Magnus' Koelsch. I am starting to wonder if you have a board with HW
> > issues?
>=20
> It works fine when reverting this patch :-/

Tricky. Your binary kernel didn't even start on first try on my Lager
and Magnus' Koelsch. Will check that again tomorrow.

> > Do you happen to know if you have an earlier revision of Koelsch?
>=20
> RTPORC7791SEB00010S
> KOELSCH SN.057
>=20
> I'm not sure if that tells anything about the board revision.

Magnus, what does your board say?

Thanks,

   Wolfram


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