From: icenowy@aosc.io
To: Maxime Ripard <maxime.ripard@free-electrons.com>
Cc: devicetree@vger.kernel.org, Chen-Yu Tsai <wens@csie.org>,
linux-sunxi@googlegroups.com, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] ARM: sun8i: a33: add dts for Q8 tablets with different resolution
Date: Mon, 21 Aug 2017 16:44:30 +0800 [thread overview]
Message-ID: <4a0a72b4679db296a8e48512c41a2ce5@aosc.io> (raw)
In-Reply-To: <20170821084053.s4qmhlvgsmckmqgh@flea.lan>
在 2017-08-21 16:40，Maxime Ripard 写道：
> 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@aosc.io>
>
> This should be an overlay, ideally applied by the bootloader.
I think this is not suitable for overlay.
The two kind of Q8 tablets are not compatible at all, and they
should both have a suitable device tree. The old DT without
resolution is only kept for backward compatibility.
>
> Maxime
>
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2017-08-21 8:44 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-17 7:49 Icenowy Zheng
2017-08-21 8:40 ` Maxime Ripard
2017-08-21 8:44 ` icenowy [this message]
2017-08-22 20:33 ` Maxime Ripard
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