linux-kernel - Re: [Intel-gfx] [PATCH] drm/i915: fix failure to power off after hibernate

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Message-ID: <20150302085508.GA12778@boom>
Date:	Mon, 2 Mar 2015 10:55:08 +0200
From:	David Weinehall <david.weinehall@...ux.intel.com>
To:	Imre Deak <imre.deak@...el.com>
Cc:	intel-gfx@...ts.freedesktop.org,
	Bjørn Mork <bjorn@...k.no>,
	linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
	stable@...r.kernel.org, Daniel Vetter <daniel.vetter@...el.com>
Subject: Re: [Intel-gfx] [PATCH] drm/i915: fix failure to power off after
 hibernate

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
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