Linux 2.6.37-rc8 (no fb)

[Alex Riesen]

On Wed, Dec 29, 2010 at 22:53, Jesse Barnes <jbarnes at virtuousgeek.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