linux-kernel - Re: [PATCH] ARM: dts: Add ddc i2c reference to veyron

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Date:	Thu, 3 Sep 2015 14:00:26 -0700
From:	Doug Anderson <dianders@...omium.org>
To:	Heiko Stuebner <heiko@...ech.de>
Cc:	"open list:ARM/Rockchip SoC..." <linux-rockchip@...ts.infradead.org>,
	Alexandru Stan <amstan@...omium.org>,
	Brian Norris <briannorris@...omium.org>,
	Yakir Yang <ykk@...k-chips.com>,
	姚智情 <mark.yao@...k-chips.com>,
	Douglas Anderson <dianders@...omium.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>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] ARM: dts: Add ddc i2c reference to veyron

Hi,

On Wed, Sep 2, 2015 at 2:25 PM, Douglas Anderson <dianders@...omium.org> wrote:
> The ddc-i2c-bus property was missing from the veyron dtsi file since
> downstream the ddc-i2c-bus was still being specified in rk3288.dtsi and
> nobody noticed when the veyron dtsi was sent upstream.  Add it.
>
> Signed-off-by: Douglas Anderson <dianders@...omium.org>
> ---
> Note: I noticed that this was wrong but I don't currently have
> graphics up and running on upstream on veyron.  Posting this anyway
> since it's pretty clear that it's needed.  If someone else wants to
> try it out that'd be nice, otherwise I'll put it on my list to figure
> out how to get myself setup for graphics upstream.  ;)

OK, I've used Heiko's "somewhat stable" branch to test this against
something very close to mainline.

Without my patch I can't read the HDMI EDID.  With my patch I can.  :)

-Doug
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