linux-kernel - Re: [GIT BISECT] 2c1756b12edc19fdd75c833699cb752e1bbb641e - Display corruption after blank screen state

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Date:	Thu, 06 Oct 2011 21:54:18 -0600
From:	Keith Packard <keithp@...thp.com>
To:	Emmanuel Benisty <benisty.e@...il.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [GIT BISECT] 2c1756b12edc19fdd75c833699cb752e1bbb641e - Display corruption after blank screen state

On Wed, 7 Sep 2011 23:33:13 +0700, Emmanuel Benisty <benisty.e@...il.com> wrote:

(I'm sorry I missed this mail; I was preoccupied with family issues
that week).

> The following commit causes display corruption once the machine goes
> out from default X server power saving blank screen state. This is
> with an i3 330m.

Can you provide more information about which display is corrupted and
what the corruption looks like?

> commit 2c1756b12edc19fdd75c833699cb752e1bbb641e
> Merge: cf96e46 d74362c
> Author: Keith Packard <keithp@...thp.com>
> Date:   Thu Jul 28 16:30:41 2011 -0700
> 
>     Merge branch 'drm-intel-fixes' into drm-intel-next
> 

Can you provide the output of intel_reg_dumper from both working and
non-working kernels? Reverting this merge would be a fairly substantial
challenge at this point in the release cycle, so I'd like to see if we
can't narrow things down a bit and find the actual code change at fault.

-- 
keith.packard@...el.com

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