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

From: Keith Packard
Date: Thu Oct 06 2011 - 23:54:30 EST


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

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