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

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Date:   Tue, 8 Nov 2016 23:03:15 +0530
From:   maitysanchayan@...il.com
To:     Shawn Guo <shawnguo@...nel.org>
Cc:     Vladimir Zapolskiy <vladimir_zapolskiy@...tor.com>,
        marcel.ziswiler@...adex.com, stefan@...er.ch,
        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

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?

- Sanchayan.