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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