[Bug 71596] [Acer Aspire V5-573G] Black screen on boot due to low brightness setting

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=71596

--- Comment #7 from Aaron Lu <aaron.lu at intel.com> ---
(In reply to comment #5)
> (In reply to comment #3)
> > I've tested kernel branch
> > http://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git
> > 
> > This works without a problem. The screen starts at full brightness and
> > correct native resolution. Also fn+ keys are working.
> > 
> > I submit the dmesg output as attachment. Hopefully I did it right because
> > last time I did there was Grub 0.x ;)
> > 
> > Should I test the second branch too? Anything else I can help with?
> 
> This is sufficient, thank you!
> 
> Aaron, what are the chances of getting the initial brightness BIOS bug
> workaround backported to stable kernels? The above is headed for 3.13 right?

Yes, and I've marked that commit with stable tag, manually backport may be
necessary since there are a lot of other commits for ACPI video in between.

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