From mboxrd@z Thu Jan  1 00:00:00 1970
From: Sebastian Reichel <sre@kernel.org>
Subject: Re: [PATCH 00/23] Nokia N950 display support
Date: Wed, 9 Mar 2016 18:09:26 +0100
Message-ID: <20160309170925.GA3062@earth>
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To: Emil Velikov <emil.l.velikov@gmail.com>
Cc: Tony Lindgren <tony@atomide.com>, Aaro Koskinen <aaro.koskinen@iki.fi>, Tomi Valkeinen <tomi.valkeinen@ti.com>, linux-omap@vger.kernel.org, Laurent Pinchart <laurent.pinchart@ideasonboard.com>, ML dri-devel <dri-devel@lists.freedesktop.org>, "Linux-Kernel@Vger. Kernel. Org" <linux-kernel@vger.kernel.org>
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Hi Emil,

On Wed, Mar 09, 2016 at 04:19:48PM +0000, Emil Velikov wrote:
> Hi Sebastian,
>=20
> On 8 March 2016 at 16:39, Sebastian Reichel <sre@kernel.org> wrote:
>=20
> >  arch/arm/boot/dts/omap3-n950-n9.dtsi            |  72 +++++++++
> >  arch/arm/boot/dts/omap3-n950.dts                |  71 +++++++++
> Just a friendly reminder that updating these and one will have to keep
> the driver backwards compatible forever.

Of course. Basically the new DT properties are:

 * optional regulators (vpnl & vddi)
 * boolean "has-dsi-backlight"
 * resolution-x/y
 * offset-x/y

So probably not that much of a problem even if other API is
invented. I just noticed, that I forgot to actually add documentation
in Documentation/devicetree/bindings/display/panel/panel-dsi-cm.txt

I will fix that in the next patchset revision.

> Tomi, has been in the process of removing all the unneeded cruft,
> although omapdrm it is still using the custom panel, dsi and other
> code as opposed to the ones provided by DRM. As he gets to reusing
> those he might have some fun keeping things compatible.

I could not find "generic" panel binding documentation. Can you
give me a pointer? I can just stick to the same property names
to avoid potential future problems.

-- Sebastian

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