linux-kernel - Re: Linux 2.6.37-rc8 (no fb)

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Date:	Wed, 29 Dec 2010 15:13:23 -0800
From:	Jesse Barnes <jbarnes@...tuousgeek.org>
To:	Alex Riesen <raa.lkml@...il.com>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Randy Dunlap <randy.dunlap@...cle.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	dri-devel@...ts.freedesktop.org,
	Jeff Chua <jeff.chua.linux@...il.com>
Subject: Re: Linux 2.6.37-rc8 (no fb)

On Thu, 30 Dec 2010 00:09:56 +0100
Alex Riesen <raa.lkml@...il.com> wrote:

> On Wed, Dec 29, 2010 at 22:53, Jesse Barnes <jbarnes@...tuousgeek.org> wrote:
> >> > Doesn't change anything here. Display stays blank.
> >>
> >> Sounds like your problem is separate from SSC then, more likely related
> >> to panel power or backlight control.  Have you tried bisecting for the
> >> problem between 2.6.35 and 2.6.36?
> >
> > Nevermind, I just checked out the bug, looks like it is panel power
> > related.  Can you try this patch?
> 
> Tried. Does not work.
> 
> > If it doesn't work, can you send me the output of intel_reg_dumper from
> > before you turn off the display and after you try to turn it back on?
> 
> See the links below (sorry, they files are a bit large):
> 
> Before running "xset dpms force standby":
> 
>   http://vin-soft.org/~raa/public/test/intel_gpu_dump-before
> 
> After running "sleep 3"
> 
>   http://vin-soft.org/~raa/public/test/intel_gpu_dump-after-suspend
> 
> After running "xset dpms force on"
> 
>   http://vin-soft.org/~raa/public/test/intel_gpu_dump-after-xset-on
> 
> After closing and opening the lid (displays backlight is back)
> 
>   http://vin-soft.org/~raa/public/test/intel_gpu_dump-after-lid

I need the intel_reg_dumper output, not intel_gpu_dump. :)

-- 
Jesse Barnes, Intel Open Source Technology Center
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