linux-kernel - Re: [REGRESSION FIXED] i915 KMS dual head broken on DELL latitude E6420 in 3.1-rc*

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Date:	Tue, 22 Jan 2013 14:04:36 +0100
From:	Daniel Vetter <daniel@...ll.ch>
To:	Samuel Thibault <samuel.thibault@...-lyon.org>,
	Keith Packard <keithp@...thp.com>,
	dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [REGRESSION FIXED] i915 KMS dual head broken on DELL latitude
 E6420 in 3.1-rc*

On Tue, Jan 22, 2013 at 10:47 AM, Samuel Thibault
<samuel.thibault@...-lyon.org> wrote:
> Hello,
>
> Samuel Thibault, le Thu 05 Jan 2012 10:53:01 +0100, a écrit :
>> Samuel Thibault, le Thu 05 Jan 2012 03:16:46 +0100, a écrit :
>> > Samuel Thibault, le Fri 16 Sep 2011 18:30:50 +0200, a écrit :
>> > > Keith Packard, le Thu 15 Sep 2011 09:22:48 -0500, a écrit :
>> > > > On Thu, 15 Sep 2011 10:12:59 +0200, Samuel Thibault <samuel.thibault@...-lyon.org> wrote:
>> > > >
>> > > > > At home only. At work, with a different VGA screen, I'm still getting
>> > > > > the issue.
>> > > >
>> > > > You're still having a problem with the LVDS screen at work with FBC
>> > > > disabled?
>> > >
>> > > Yes, though it now seems random, sometimes it works, sometimes not.
>> >
>> > I have just tried a fresh 3.2 once, without problem. Within a few days,
>> > I'll know whether it's luck or magical-fixup.
>>
>> It didn't take long. I'm still randomly getting the issue.

My apologies for losing track of your issue here, this shouldn't
happen. Please yell at us louder next time around.

> I have tried 3.7, I don't have the issue any more (tested for a month
> now). Perhaps it was already fixed in 3.6, but not much before.

3.7 seems likely, since we've fixed quite a few long-standing
lingering issues with the modeset rework merged into that version.

Cheers, Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
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