[Bug 203905] amdgpu:actual_brightness has unreal/wrong value

bugzilla-daemon at bugzilla.kernel.org bugzilla-daemon at bugzilla.kernel.org
Wed Feb 17 17:24:20 UTC 2021


https://bugzilla.kernel.org/show_bug.cgi?id=203905

m11.1l1.f64 at gmail.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |m11.1l1.f64 at gmail.com

--- Comment #23 from m11.1l1.f64 at gmail.com ---
There's a workaround here



I hope it helps :)



simply write this into `/etc/systemd/system/backlight-fix.service`:

```
[Unit]
Description=Dummy service for attempting to start the problematic amdgpu_bl0
service

[Service]
Type=simple
ExecStart=systemctl start systemd-backlight at backlight:amdgpu_bl0

[Install]
WantedBy=multi-user.target
```

And then `sudo systemctl enable --now backlight-fix.service`

Bingo!!

The problem is gone

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