I don't have this panel, but adding the first 3 OUI bytes to the
quirk, another platform which has DPCD aux brightness control works
well.
Tested-by: AceLan Kao
--
Chia-Lin Kao(AceLan)
http://blog.acelan.idv.tw/
E-Mail: acelan.kaoATcanonical.com (s/AT/@/)
On Fri, 22 Nov 2019, Lyude Paul wrote:
> Annoyingly, the VBT on the ThinkPad X1 Extreme 2nd Gen indicates that
> the system uses plain PWM based backlight controls, when in reality the
> only backlight controls that work are the standard VESA eDP DPCD
> backlight controls.
>
> Honestly, this
