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From: Stefano Babic <sbabic@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [RFC] Remove static display data
Date: Fri, 26 Jul 2013 10:43:55 +0200	[thread overview]
Message-ID: <51F236CB.3060906@denx.de> (raw)
In-Reply-To: <20130726095049.3ee4a02e@crub>

Hi Robert, Anatolji,

On 26/07/2013 09:50, Anatolij Gustschin wrote:

>>
>> I realize that there's already the FDT and CONFIG_OF_CONTROL functionality
>> and device trees sort of cover the passing to Linux part so maybe before
>> handing it off, converting the relevant data into a device tree that Linux
>> can already use/parse would work.
> 
> Devicetree bindings for describing display timings info exist in recent
> Linux kernel versions (since v3.9 I think) and are documented under
> Documentation/devicetree/bindings/video/display-timing.txt. In Linux
> there are also DT helpers to parse display timings nodes and read the
> timing values into fb_videomode structure (of_get_display_timings,
> of_get_fb_videomode). Code for adding such display timings nodes to
> the device tree under U-Boot doesn't exist yet.

IMHO adopting DT looks very interesting, as it can really simplify
sharing configuration between u-boot and kernel. On i.MX6 we have not
yet started to use DT to configure u-boot as it is already done on other
SOCs (Tegra), but it seems to me the right way to do.

Best regards,
Stefano Babic

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  reply	other threads:[~2013-07-26  8:43 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-07-25 18:21 [U-Boot] [RFC] Remove static display data Robert Winkler
2013-07-26  7:50 ` Anatolij Gustschin
2013-07-26  8:43   ` Stefano Babic [this message]
2013-07-26 14:04     ` Eric Nelson
2013-07-26 14:42       ` Stefano Babic
2013-07-26 14:49         ` Stephen Warren
2013-07-26 19:41           ` Eric Nelson
2013-07-27  0:42         ` Eric Nelson
2013-07-27  1:34           ` Troy Kisky
2013-07-27 19:05           ` Simon Glass
2013-07-28 16:57             ` Eric Nelson
2013-07-28 18:09               ` Simon Glass
2013-07-28 19:22                 ` Eric Nelson
2013-07-29 16:50                   ` Simon Glass
2013-07-26 14:00   ` Eric Nelson

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