Hi Vlady,

Same problem for me with i915 and kernel 7.0.0-28, and i added a
workaround in comment section as
https://bugs.launchpad.net/ubuntu/+source/linux-hwe-7.0/+bug/2163556

1 - Text to copy : GRUB_CMDLINE_LINUX_DEFAULT="quiet splash
i915.enable_dpcd_backlight=0"

2 - Copy/replace it in file "/etc/default/grub" by the command "sudo
nano /etc/default/grub"

3 - Then run: sudo update-grub and reboot

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https://bugs.launchpad.net/bugs/2161183

Title:
  i915: backlight brightness writes have no physical effect on ASUS
  VivoBook N580GD (X580GD) with kernel 7.0.0-28-generic — regression
  from 6.17

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