linux-kernel - Re: 3.6-rc1 breaks my laptop graphics (intel)

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Message-ID: <20120812183305.GA17759@kroah.com>
Date:	Sun, 12 Aug 2012 11:33:05 -0700
From:	Greg KH <gregkh@...uxfoundation.org>
To:	Paulo Zanoni <paulo.r.zanoni@...el.com>,
	Kamal Mostafa <kamal@...onical.com>,
	Carsten Emde <C.Emde@...dl.org>,
	Eugeni Dodonov <eugeni.dodonov@...el.com>,
	David Airlie <airlied@...ux.ie>,
	dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
	intel-gfx@...ts.freedesktop.org
Subject: Re: 3.6-rc1 breaks my laptop graphics (intel)

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 :)

greg k-h
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