still no-workee, for me.  brightness stuck on max

  Operating System: Ubuntu 26.04.1 LTS
  Kernel: Linux 7.0.0-31-generic
   Architecture: x86-64
   Hardware Vendor: LG Electronics
   Hardware Model: 16Z90SP-A.ADB8U1
   Hardware SKU: EVO
  Hardware Version: 0.1
  Firmware Version: M2ZI0450 X64
  Firmware Date: Mon 2024-06-10
   Firmware Age: 2y 2month 2w 3d

  /proc/cmdline
BOOT_IMAGE=/boot/vmlinuz-7.0.0-31-generic 
root=UUID=189cd51c-c163-40fb-a648-e6634b454c51 ro 
i915.enable_dpcd_backlight=0 quiet splash

also tried

/proc/cmdline
BOOT_IMAGE=/boot/vmlinuz-7.0.0-31-generic 
root=UUID=189cd51c-c163-40fb-a648-e6634b454c51 ro acpi_backlight=native 
i915.enable_dpcd_backlight=0 quiet splash

craig

On 8/25/26 10:34, Ubuntu Kernel Bot wrote:
> This bug is awaiting verification that the linux-fips/7.0.0-31.31+fips1
> kernel in -proposed solves the problem. Please test the kernel and
> update this bug with the results. If the problem is solved, change the
> tag 'verification-needed-resolute-linux-fips' to 'verification-done-
> resolute-linux-fips'. If the problem still exists, change the tag
> 'verification-needed-resolute-linux-fips' to 'verification-failed-
> resolute-linux-fips'.
>
>
> If verification is not done by 5 working days from today, this fix will
> be dropped from the source code, and this bug will be closed.
>
>
> Seehttps://wiki.ubuntu.com/Testing/EnableProposed for documentation how
> to enable and use -proposed. Thank you!
>
>
> ** Tags added: kernel-spammed-resolute-linux-fips-v2 
> verification-needed-resolute-linux-fips
>

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https://bugs.launchpad.net/bugs/2161309

Title:
  Backlight regression

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