https://bugs.kde.org/show_bug.cgi?id=476540
Jonathan Cox <joncox1...@gmail.com> changed:
What |Removed |Added
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CC| |joncox1...@gmail.com
--- Comment #3 from Jonathan Cox <joncox1...@gmail.com> ---
(In reply to xmakerenx from comment #0)
> SUMMARY
> After updating to Plasma 5.27.9 I noticed my screens will dims themselves to
> 30% brightness but won't un-dim after unlocking back from the lock screen
> My current setting in the Energy saving are
> * Dim screen enabled with 5 mins
> * Screen Energy saving with 10 mins
>
> Issue seems to only happen after the screens were shut off
> In addition I use ArchLinux I have 3 screens setup but the third screen is a
> TV that is off most of the time and it seemed to happen regardless if the TV
> is on or off and I use an AMD GPU.
>
> STEPS TO REPRODUCE
> 1. Enable the Dim screen with 5 mins and the Screen Energy saving options
> with 10 mins in the Energy saving settings
> 2. Wait for 10 mins until the screens will shut off
> 3. Move the mouse so the screens will be turned on again and see that the
> screen brightness was kept at 30% (dimmed) and not restored to 100%
>
> OBSERVED RESULT
> Screens were kept at the dimmed brightness (30%)
>
> EXPECTED RESULT
> Screens to be restored to normal brightness (100%)
>
> SOFTWARE/OS VERSIONS
> Linux/KDE Plasma: Arch Linux
> (available in About System)
> KDE Plasma Version: 5.27.9
> KDE Frameworks Version: 5.111.0
> Qt Version: 5.15.11
> Kernel: 6.5.9-arch2-1 (64 bit)
> ADDITIONAL INFORMATION
> GPU : AMD Radeon RX 6650 XT
I've had this occur as well on an amdgpu as well, I have been digging to try to
see if I can find anything in logs to explain this behavior. I did notice they
dimmed after not using for a bit, and moved my mouse and it fixed the issue at
that time, but if I wait longer than about a minute or two of them being
dimmed, then they will not get bright again.
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