linux-kernel - Re: [PATCH v2 2/2] drm/bridge: anx7688: Add anx7688 bridge driver support

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Message-ID: <20200306124643.wec6d47loprk4zfi@core.my.home>
Date:   Fri, 6 Mar 2020 13:46:43 +0100
From:   Ondřej Jirman <megous@...ous.com>
To:     Nicolas Boichat <drinkcat@...omium.org>
Cc:     Icenowy Zheng <icenowy@...c.io>,
        Enric Balletbo i Serra <enric.balletbo@...labora.com>,
        Vasily Khoruzhick <anarsoul@...il.com>,
        Enric Balletbo Serra <eballetbo@...il.com>,
        Jernej Skrabec <jernej.skrabec@...l.net>,
        Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
        Neil Armstrong <narmstrong@...libre.com>,
        David Airlie <airlied@...ux.ie>, Torsten Duwe <duwe@...e.de>,
        Jonas Karlman <jonas@...boo.se>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        Andrzej Hajda <a.hajda@...sung.com>,
        Maxime Ripard <maxime@...no.tech>,
        Hsin-Yi Wang <hsinyi@...omium.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Collabora Kernel ML <kernel@...labora.com>
Subject: Re: [PATCH v2 2/2] drm/bridge: anx7688: Add anx7688 bridge driver
 support

On Fri, Mar 06, 2020 at 08:11:07PM +0800, Nicolas Boichat wrote:
> On Fri, Mar 6, 2020 at 8:07 PM Ondřej Jirman <megous@...ous.com> wrote:
> 
> What about the values at 0x2c?

i2cdump 0 0x28

     0  1  2  3  4  5  6  7  8  9  a  b  c  d  e  f    0123456789abcdef
00: aa aa 88 76 ac 00 00 00 00 00 00 00 00 80 05 05    ???v?........???
10: 30 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00    0...............
20: 00 00 00 00 00 00 00 00 00 00 00 34 f2 e4 ff 00    ...........4??..
30: 04 40 00 04 94 11 20 ff ff 03 00 ff ff ff 00 01    ?@...? ..?.....?
40: 78 a4 00 09 00 08 05 84 10 60 17 00 00 0a 00 b0    x?.?.????`?..?.?
50: 00 00 00 0a 00 00 e0 df ff ff 00 00 00 10 71 00    ...?..??.....?q.
60: 10 10 04 29 2d 21 10 01 09 03 00 03 e8 13 88 00    ???)-!????.????.
70: 00 19 18 83 06 5a 11 00 ff 00 00 0d 04 38 42 07    .????Z?....??8B?
80: 00 00 00 00 00 74 1b 19 40 08 75 00 00 00 00 00    .....t??@.......
90: 00 00 00 00 00 00 03 00 ff 30 00 59 01 00 00 00    ......?..0.Y?...
a0: 00 ff ff ff ff 00 00 00 00 00 00 00 00 00 00 00    ................
b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00    ................
c0: 00 00 00 00 00 00 00 00 0a 10 18 00 00 ff 00 00    ........???.....
d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00    ................
e0: 50 10 08 50 00 02 00 70 00 00 30 10 11 02 1c 01    P??P.?.p..0?????
f0: 00 11 07 00 94 11 7f 00 00 00 00 00 00 01 0e ff    .??.???......??.

i2cdump 0 0x2c

     0  1  2  3  4  5  6  7  8  9  a  b  c  d  e  f    0123456789abcdef
00: 29 1f 88 76 00 ac 11 00 11 20 10 10 00 00 00 00    )??v.??.? ??....
10: 03 00 ff 8f ff 7f 00 00 00 00 0a 00 10 11 0c 00    ?..?.?....?.???.
20: 00 00 00 00 99 06 c0 00 00 00 00 00 00 00 02 00    ....???.......?.
30: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00    ................
40: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00    ................
50: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00    ................
60: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00    ................
70: b4 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00    ?...............
80: 01 25 00 00 00 00 00 00 00 00 00 00 00 00 00 00    ?%..............
90: 0f 0f 00 00 00 00 00 00 00 00 00 00 00 00 00 00    ??..............
a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00    ................
b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00    ................
c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00    ................
d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00    ................
e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00    ................
f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00    ................


regards,
	o.

> 
> Thanks,