linux-kernel - Re: [PATCH] ARM: sun8i: a33: add dts for Q8 tablets with different resolution

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Message-ID: <20170821084053.s4qmhlvgsmckmqgh@flea.lan>
Date:   Mon, 21 Aug 2017 10:40:53 +0200
From:   Maxime Ripard <maxime.ripard@...e-electrons.com>
To:     Icenowy Zheng <icenowy@...c.io>
Cc:     Chen-Yu Tsai <wens@...e.org>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-sunxi@...glegroups.com
Subject: Re: [PATCH] ARM: sun8i: a33: add dts for Q8 tablets with different
 resolution

On Thu, Aug 17, 2017 at 03:49:26PM +0800, Icenowy Zheng wrote:
> Q8 tablets with Allwinner A33 SoC now come with two kind of LCD, either
> 800x480 or 1024x600.
> 
> In order for sun4i-drm to be able to choose correct LCD configuration,
> two different device trees should be present, one for a resolution.
> 
> Add stub device trees for two resolutions.
> 
> As the sun4i-drm driver still has some problems to support the LCDs, the
> real LCD device nodes are not added to the device tree files.
> 
> Signed-off-by: Icenowy Zheng <icenowy@...c.io>

This should be an overlay, ideally applied by the bootloader.

Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com

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