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

[Samuel Thibault]

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 at ens-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.

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.

Samuel