From: Roger Leigh <rleigh@whinlatter.ukfsn.org>
To: benh@kernel.crashing.org
Cc: Jean Delvare <khali@linux-fr.org>,
linux-kernel@vger.kernel.org,
Dennis Munsie <dmunsie@cecropia.com>,
Michael Buesch <mb@bu3sch.de>
Subject: Re: radeonfb i2c regression post-2.6.18.
Date: Wed, 21 Nov 2007 09:42:09 +0000 [thread overview]
Message-ID: <87oddoaqa6.fsf@hardknott.home> (raw)
In-Reply-To: <1195427766.7022.18.camel@pasglop> (Benjamin Herrenschmidt's message of "Mon\, 19 Nov 2007 10\:16\:06 +1100")
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Benjamin Herrenschmidt <benh@kernel.crashing.org> writes:
> On Sun, 2007-11-18 at 21:58 +0000, Roger Leigh wrote:
>> Hi folks,
>>
>> I'm using an Apple Cinema Display connected via DVI to an Apple Mac
>> Mini with Radeon 9200 graphics. This used to work fine, but with
>> kernels >= 2.6.19, the monitor powers off as soon as the framebuffer
>> is initialised, making for a less than usable system. I've tested
>> with 2.6.(19|2[012]), and I didn't see any related changes in 2.6.23.
>
> .../...
>
> Can you try the patch from Jean that I pasted below and let us know if
> it helps ? It looks like the releasing of the i2c lines may have been
> done backward.
This patch fixes the problem. The monitor stays powered on during the
switch to the framebuffer.
Thanks,
Roger
--
.''`. Roger Leigh
: :' : Debian GNU/Linux http://people.debian.org/~rleigh/
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next prev parent reply other threads:[~2007-11-21 14:26 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-11-18 23:16 radeonfb i2c regression post-2.6.18 Benjamin Herrenschmidt
2007-11-21 9:42 ` Roger Leigh [this message]
2007-11-21 19:58 ` Benjamin Herrenschmidt
2007-11-21 20:13 ` Michael Buesch
2007-11-21 20:17 ` Benjamin Herrenschmidt
2007-11-21 23:56 ` Roger Leigh
2007-11-22 0:00 ` Benjamin Herrenschmidt
2007-11-23 16:00 ` Michael Buesch
2007-11-23 22:29 ` Jean Delvare
2007-11-24 1:11 ` Benjamin Herrenschmidt
2007-11-24 9:29 ` Jean Delvare
2007-11-24 14:18 ` Michael Buesch
2007-11-24 22:20 ` Jean Delvare
2007-11-24 22:25 ` Benjamin Herrenschmidt
-- strict thread matches above, loose matches on Subject: below --
2007-11-18 21:58 Roger Leigh
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