linux-kernel - Re: [RFC][PATCH 0/5 v2] adv7511 EDID probing improvements

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Date:   Mon, 12 Dec 2016 11:06:26 -0800
From:   John Stultz <john.stultz@...aro.org>
To:     Archit Taneja <architt@...eaurora.org>
Cc:     lkml <linux-kernel@...r.kernel.org>,
        David Airlie <airlied@...ux.ie>,
        Wolfram Sang <wsa+renesas@...g-engineering.com>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>
Subject: Re: [RFC][PATCH 0/5 v2] adv7511 EDID probing improvements

On Mon, Dec 12, 2016 at 12:40 AM, Archit Taneja <architt@...eaurora.org> wrote:
> Hi,
>
> On 11/29/2016 10:34 AM, John Stultz wrote:
>>
>> Wanted to send out v2 of this patch set improving the EDID
>> probing on the adv7511 used on HiKey.
>>
>> The first three patches are fixups that are hopefully straight
>> forward, integrating feedback I got from Laurant.
>>
>> One of the previous patches that Laurant had concerns about, I
>> broke into two patches, which are the last two in this series.
>> The core issue seems to be something going wrong with the regmap
>> cache state for the ADV7511_REG_EDID_I2C_ADDR (0x43) register
>> which results in i2c_transfer errors if we don't do the
>> regcache_sync/_mark_dirty() calls. I suspect there might be a
>> better solution there, so suggestions will be very welcome.
>>
>> Thoughts and feedback would be appreciated!
>
>
> I tested this for ADV7533 on DB410c and it works well. We can
> pull this if it works fine for ADV7511 too. Laurent, could we
> get an Ack for the series from you?

I'll be re-sending the series (v3) later today to include fixups
suggested by Laurent and others.

thanks
-john