3.6-rc1 breaks my laptop graphics (intel)

Greg KH gregkh at linuxfoundation.org
Sun Aug 12 11:48:02 PDT 2012


On Sun, Aug 12, 2012 at 11:33:05AM -0700, Greg KH wrote:
> On Sun, Aug 12, 2012 at 08:25:31PM +0200, Daniel Vetter wrote:
> > On Sun, Aug 12, 2012 at 11:21:57AM -0700, Greg KH wrote:
> > > Hi Daniel.
> > > 
> > > The 3.6-rc1 kernel breaks my laptop, booting to a black screen when the
> > > i915 driver initializes itself.  I bisected this down to commit
> > > 24ded204429fa0f5501d37c63ee35c555c0b75ee (drm/i915: properly enable the
> > > blc controller on the right pipe), and when I revert that, and also
> > > a4f32fc3a37e982fffce8ec583643990ff288419 (drm/i915: don't forget the PCH
> > > backlight registers) which depended on the first patch, my laptop works
> > > just fine.
> > > 
> > > Below is the combined revert.
> > > 
> > > Any thoughts?  Any patch I can try out?
> > 
> > http://cgit.freedesktop.org/~danvet/drm-intel/commit/?h=drm-intel-fixes&id=770c12312ad617172b1a65b911d3e6564fc5aca8
> > 
> > which is already merged to drm-intel-fixes.
> 
> Ah, thanks, I'll go try that out, the Subject: line didn't draw my
> attention to it being the same problem as mine :)

Yes, that works, many thanks.

I'm guessing this is going to be going to Linus soon, right?

greg k-h


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