From: Paul Mundt <lethal@linux-sh.org>
To: linux-fbdev@vger.kernel.org
Subject: Re: [PATCH] lxfb: Program panel v/h sync output polarity correctly
Date: Tue, 16 Nov 2010 01:21:37 +0000 [thread overview]
Message-ID: <20101116012137.GC28879@linux-sh.org> (raw)
In-Reply-To: <20101114141231.414F29D401B@zog.reactivated.net>
On Sun, Nov 14, 2010 at 02:12:31PM +0000, Daniel Drake wrote:
> Commit b5c26f97ec4a17c65 introduced some breakage for the OLPC XO-1 laptop,
> differences in the output video signal after the patch caused some problems
> with the XO's display controller chip.
>
> Reviewing of that commit against the AMD Geode LX Data Book, it seems
> that these bits were being set inversely. In both cases, active high
> output is denoted by a value of 0. See section 6.8.3.44 of the databook
> from February 2009 (Publication ID: 33234H)
>
> Signed-off-by: Daniel Drake <dsd@laptop.org>
I'm intending on queuing this for -rc3, which should give Michael enough
time to test on his configuration and make sure nothing has broken there.
next prev parent reply other threads:[~2010-11-16 1:21 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-14 14:12 [PATCH] lxfb: Program panel v/h sync output polarity correctly Daniel Drake
2010-11-16 1:21 ` Paul Mundt [this message]
2010-11-16 8:26 ` Michael Grzeschik
2010-11-16 9:33 ` Daniel Drake
2010-11-16 9:52 ` Paul Mundt
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