[Bug 70791] [HSW ULT]eDP brightness is zero after the computer start

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=70791

--- Comment #4 from Jani Nikula <jani.nikula at intel.com> ---
(In reply to comment #3)
> I am afraid I didn't make it clear that the eDP monitor turn into black when
> it start to show the grub list. So it's already black before loading in the
> kernel.

So it shows the grub menu, and while showing the menu, goes black?

Please also try video.use_bios_initial_backlight=0 parameter.

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