linux-kernel - Re: [PATCH v1 7/7] ARM: dts: ifc6410: add inforce LVDS panel support

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Message-ID: <CAF6AEGumORyT=NimGHFT8jyN4fQ1=xeo31tnvm5X3VndM-J5LA@mail.gmail.com>
Date:	Mon, 10 Aug 2015 20:40:52 -0400
From:	Rob Clark <robdclark@...il.com>
To:	Bjorn Andersson <bjorn.andersson@...ymobile.com>
Cc:	Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
	Andy Gross <agross@...eaurora.org>,
	linux-arm-msm <linux-arm-msm@...r.kernel.org>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Russell King <linux@....linux.org.uk>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v1 7/7] ARM: dts: ifc6410: add inforce LVDS panel support

On Mon, Aug 10, 2015 at 7:25 PM, Bjorn Andersson
<bjorn.andersson@...ymobile.com> wrote:
> On Tue 28 Jul 05:54 PDT 2015, Srinivas Kandagatla wrote:
>
>> This patch adds LVDS panel for IFC6410.
>>
>
> My ifc6410 doesn't have a LVDS display, so I don't think these nodes
> belong in this dts file.

fwiw, my hope was that we could implement a panel-picker for lvds+ddc,
in a similar way to handling devices that could have multiple
different dsi panels, to make this a bit more automagically
plug-and-play.. srini has done some experiments with probing panel's
edid, so we just need to figure out if vendor+device-id in edid is
reliable enough to have a global table mapping them back to panel
compat strings or whether that table needs to go in dt..

BR,
-R

> I was thinking we could have a variant including this dts file adding
> the panel, but I assume that you can mount other panels than the auo
> panel defined below?
>
>
> Either way, I think we should keep this file to define the stuff that's
> on the IFC6410 itself and then figure out how to aid people in adding
> the rest of their additions...
>
> Regards,
> Bjorn
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