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Date: Mon, 2 Mar 2015 10:55:08 +0200
From: David Weinehall <david.weinehall@linux.intel.com>
To: Imre Deak <imre.deak@intel.com>
Cc: intel-gfx@lists.freedesktop.org,
        =?iso-8859-1?Q?Bj=F8rn?= Mork <bjorn@mork.no>,
        linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org,
        stable@vger.kernel.org, Daniel Vetter <daniel.vetter@intel.com>
Subject: Re: [Intel-gfx] [PATCH] drm/i915: fix failure to power off after
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On Fri, Feb 27, 2015 at 08:23:41PM +0200, Imre Deak wrote:
> We've checked today with Ville a few machines we've found from GEN2 to
> GEN5+. There was one Thinkpad x61s (GEN4) where I could reproduce the
> exact same problem and get rid of it using the same workaround. All the
> others were non-Lenovo (including GEN4) mobile and desktop platforms and
> none of these had the problem. I also tried it on a Lenovo IVB
> ultrabook, which also works fine. So the current theory is that it's
> related to GEN4 Thinkpad BIOSes, and so we need to change the condition
> to match that at least.

If you need more ThinkPads to test with I have a few at home :)


Kind regards, David