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

[Emmanuel Benisty]

On Fri, Oct 7, 2011 at 10:54 AM, Keith Packard <keithp@xxxxxxxxxx> wrote:
> 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).

And I missed your reply too, very sorry about this.

>> 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: Â Thu Jul 28 16:30:41 2011 -0700
>>
>> Â Â 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.

This is now fixed in Linus' tree. Just FTR, adding
i915.i915_enable_fbc=0 solved the issue (prior to mainline fix).
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/