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Date: Mon, 5 Jan 2009 11:05:56 +0000
From: Matthew Garrett <mjg59@srcf.ucam.org>
To: Zhang Rui <rui.zhang@intel.com>
Cc: Tino Keitel <tino.keitel@gmx.de>,
       "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
       "linux-acpi@vger.kernel.org" <linux-acpi@vger.kernel.org>,
       trenn@suse.de, jbarnes@virtuousgeek.org
Subject: Re: 2.6.28 regression: xbacklight broken on ThinkPad X61s
Message-ID: <20090105110556.GA28245@srcf.ucam.org>
References: <20090105083911.GA3694@x61> <1231146375.32473.52.camel@rzhang-dt>
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On Mon, Jan 05, 2009 at 05:06:15PM +0800, Zhang Rui wrote:

> hmm, this regression is caused by commit 
> 22c13f9d8179f4c9caecfcb60a95214562b9addc
> 
> but the real problem is that the IGD OpRegion doesn't work well on this
> laptop.

I suspect that the issue is actually that the opregion code works fine 
but i915 interrupts are failing to work properly, which we've seen a 
couple of cases of. Jesse?

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