Please use "i915.enable_dpcd_backlight=0" for WA, or use 5.13.0-1012-oem
kernel instead.
I will try to fix it in hirsute kernel.
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => AaronMa (mapengyu)
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https://bugs.launchpad.net/bugs/1944435
Title:
Backlight on P17 Gen 1 not working Nvidia 470
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