[Bug 111475] Brightness control inversion from VBT table is not taken into account in Ubuntu 18.10

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=111475

--- Comment #4 from Szymon <szymon.balcerak at ts.fujitsu.com> ---
I'm not sure what do you exactly mean by "BIOS enable the display". For sure
LVDS display is switched on and I can see the screen. I assume BIOS enabled it.

I provided requested files as attachments.

Can you point Intel's document number which describes the content of register
which should be set by BIOS?

P.S. I'm running Ubuntu from USB stick (without installation).

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