linux-kernel - Re: Regression in v4.5-rc1, bisected to commit 39bfcd5235e0 ("drm/i915: more virtual south bridge detection")

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Message-ID: <20160125154918.GA6901@wolff.to>
Date:	Mon, 25 Jan 2016 09:49:18 -0600
From:	Bruno Wolff III <bruno@...ff.to>
To:	Bjørn Mork <bjorn@...k.no>
Cc:	Gerd Hoffmann <kraxel@...hat.com>,
	Daniel Vetter <daniel.vetter@...el.com>,
	Jani Nikula <jani.nikula@...ux.intel.com>,
	intel-gfx@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: Regression in v4.5-rc1, bisected to commit 39bfcd5235e0
 ("drm/i915: more virtual south bridge detection")

On Mon, Jan 25, 2016 at 03:52:25 +0100,
  Bjørn Mork <bjorn@...k.no> wrote:
>Hello,
>
>my oldish Thinkpad X301 only wanted to show a blank screen in v4.5-rc1.
>Bisecting resulted in:
>
>    drm/i915: more virtual south bridge detection

I am likely seeing the same problem on a Dell laptop. I haven't finished 
my bisect yet, but the above commit is still in the list of 605 possible 
problem commits.

I'll test reverting that commit tonight and see if that fixes my problem.