linux-kernel - Re: [PATCH v2 1/3] ARM: dts: imx6qdl-apalis: Do not rely on DDC I2C bus bitbang for HDMI

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <57268103e8fabf344723eae99b45ec7d@agner.ch>
Date:   Tue, 08 Nov 2016 16:50:24 -0800
From:   Stefan Agner <stefan@...er.ch>
To:     maitysanchayan@...il.com
Cc:     Shawn Guo <shawnguo@...nel.org>,
        Vladimir Zapolskiy <vladimir_zapolskiy@...tor.com>,
        marcel.ziswiler@...adex.com, linux-arm-kernel@...ts.infradead.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Philipp Zabel <p.zabel@...gutronix.de>
Subject: Re: [PATCH v2 1/3] ARM: dts: imx6qdl-apalis: Do not rely on DDC I2C
 bus bitbang for HDMI

On 2016-11-08 09:33, maitysanchayan@...il.com wrote:
> Hello Shawn,
> 
> On 16-10-22 15:43:04, Vladimir Zapolskiy wrote:
>> Hi Shawn,
>>
>> On 10/22/2016 06:25 AM, Shawn Guo wrote:
>> > On Mon, Sep 19, 2016 at 10:41:51AM +0530, Sanchayan Maity wrote:
>> > > Remove the use of DDC I2C bus bitbang to support reading of EDID
>> > > and rely on support from internal HDMI I2C master controller instead.
>> > > As a result remove the device tree property ddc-i2c-bus.
>> > >
>> > > Signed-off-by: Sanchayan Maity <maitysanchayan@...il.com>
>> >
>> > I think that the dw-hdmi i2c support [1] is a prerequisite of this
>> > patch.  I do not see it lands on v4.9-rc1.  Or am I missing something?
>> >
>> > Shawn
>> >
>> > [1] https://patchwork.kernel.org/patch/9296883/
>> >
>>
>> I'm adding Philipp to Cc, since he is the last one who tested the change
>> and helped me to push the change to the mainline:
>>
>>   https://lists.freedesktop.org/archives/dri-devel/2016-September/118569.html
>>
>> The problem is that there is no official DW HDMI bridge maintainer, may be
>> you can review the change, and if you find it satisfactory push it through
>> ARM/iMX tree.
> 
> Shawn, is it okay if that patch goes through your ARM/iMX tree?

I don't think it makes sense that the DRM bridge changes go through
Shawn's tree. Dave should merge Philipps pull request...

--
Stefan