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From: Detlev Zundel <dzu@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] p1022ds: add video support
Date: Wed, 22 Sep 2010 17:33:35 +0200	[thread overview]
Message-ID: <m2fwx1u71s.fsf@ohwell.denx.de> (raw)
In-Reply-To: <1285168585.4843.16.camel@oslab-l1> (York Sun's message of "Wed,  22 Sep 2010 08:16:25 -0700")

Hi,

> On Wed, 2010-09-22 at 10:10 -0500, Timur Tabi wrote:
>> > Is there a technical reason why the initialization has to be in U-Boot?
>> 
>> I'll have to re-examine the code.  There may be a way to eliminate any such
>> initialization.
>> 
> There is a technical reason. The DIU driver needs initialize DVI encoder
> which is on I2C bus. Linux kernel starts to use console device long
> before I2C is available. So it has to be done in U-boot.

Ok, then why not always define CONFIG_VIDEO for this configuration and
let U-Boot initialize _and_ use it?  Actually I fail to see why U-Boot
shouldn't use it if the support is there or what am I missing?

Best wishes
  Detlev

-- 
   "Our enemies  are innovative  and resourceful, and so are we.  They
never stop thinking about new ways to harm our country and our people,
and neither do we."
       -- George W. Bush during a defense bill ceremony on 5. Aug 2004
--
DENX Software Engineering GmbH,      MD: Wolfgang Denk & Detlev Zundel
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  reply	other threads:[~2010-09-22 15:33 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-09-02 20:35 [U-Boot] [PATCH] p1022ds: add video support Timur Tabi
2010-09-21 21:56 ` Anatolij Gustschin
2010-09-21 22:00   ` Timur Tabi
2010-09-21 22:57     ` Anatolij Gustschin
2010-09-21 23:01       ` Timur Tabi
2010-09-22 15:07         ` Detlev Zundel
2010-09-22 15:10           ` Timur Tabi
2010-09-22 15:16             ` York Sun
2010-09-22 15:33               ` Detlev Zundel [this message]
2010-09-22 15:35                 ` Timur Tabi
2010-09-22 15:45                   ` Detlev Zundel
2010-09-22 15:30             ` Detlev Zundel

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