linux-kernel - Re: [Bug #12401] 2.6.28 regression: xbacklight broken on ThinkPad X61s

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Message-ID: <20090216124223.GA2999@srcf.ucam.org>
Date:	Mon, 16 Feb 2009 12:42:24 +0000
From:	Matthew Garrett <mjg59@...f.ucam.org>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	"Rafael J. Wysocki" <rjw@...k.pl>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Kernel Testers List <kernel-testers@...r.kernel.org>,
	Andi Kleen <ak@...ux.intel.com>,
	Len Brown <len.brown@...el.com>,
	Thomas Renninger <trenn@...e.de>,
	Zhang Rui <rui.zhang@...el.com>
Subject: Re: [Bug #12401] 2.6.28 regression: xbacklight broken on ThinkPad X61s

On Mon, Feb 16, 2009 at 01:37:40PM +0100, Ingo Molnar wrote:
> 
> * Matthew Garrett <mjg59@...f.ucam.org> wrote:
> 
> > On Sun, Feb 15, 2009 at 11:16:47PM +0100, Tino Keitel wrote:
> > 
> > > I think if it works without DRI in 2.6.27 and doesn't work in 2.6.28,
> > > it isn't a configuration error, but a real regression.
> > 
> > It only worked by accident without DRM support, since you were using the 
> > ATI codepath in the firmware rather than the Intel one. That bug's been 
> > fixed, [...]
> 
> Which precise commit ID is that?

22c13f9d8179f4c9caecfcb60a95214562b9addc

-- 
Matthew Garrett | mjg59@...f.ucam.org
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