Linux 2.6.37-rc8 (no fb)

Alex Riesen raa.lkml at
Wed Dec 29 15:09:56 PST 2010

On Wed, Dec 29, 2010 at 22:53, Jesse Barnes <jbarnes at> 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":

After running "sleep 3"

After running "xset dpms force on"

After closing and opening the lid (displays backlight is back)

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