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

[bugzilla-daemon at bugzilla.kernel.org]

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

Flo Bock (flo at dontshoot.at) changed:

           What    |Removed                     |Added
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                 CC|                            |flo at dontshoot.at

--- Comment #8 from Flo Bock (flo at dontshoot.at) ---
With recent systemd changes, the 16 bit values in actual_brightness break
saving and restoring the backlight values using AMDGPU. According to a closed
issue on Github, Lennart Poettering sees this as a kernel issue[1]. Is there
any good reason for actual_brightness to be 16bit, whereas both max_brightness
and brightness are 8bit?

[1]: https://github.com/systemd/systemd/issues/16600

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