https://bugs.kde.org/show_bug.cgi?id=482713
Andrea Ippolito <andrea.i...@gmail.com> changed:
What |Removed |Added
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CC| |andrea.i...@gmail.com
--- Comment #37 from Andrea Ippolito <andrea.i...@gmail.com> ---
Can also confirm this is still an issue.
Sometimes my external display appears in Plasma's OSD/powerdevil, sometimes
there's the laptop display only.
But even when the external display is not "visible", I can still query it and
change values (brightness, contrast) via dccutil, and it just works.
This has to mean that the bug is somewhere "higher up" in the stack, i.e. (I
guess) Plasma or some other KDE component.
Operating System: openSUSE Tumbleweed 20241202
KDE Plasma Version: 6.2.4
KDE Frameworks Version: 6.8.0
Qt Version: 6.8.0
Kernel Version: 6.11.8-1-default (64-bit)
Graphics Platform: Wayland
Processors: 16 × AMD Ryzen 7 7840U w/ Radeon 780M Graphics
Memory: 30.7 GiB of RAM
Graphics Processor: AMD Radeon 780M
Manufacturer: Framework
Product Name: Laptop 13 (AMD Ryzen 7040Series)
System Version: A7
Some logs from my current session (notice however that the last timestamp,
13:02, is a few hours ago, much before my attempts to change brightness via
plasma - might it be that the "connection" broke at that point and wasn't
recovered since then?):
```
❯ journalctl -b | grep org_kde_powerdevil | grep ddc
Hint: You are currently not seeing messages from other users and the system.
Users in the 'systemd-journal' group can see all messages. Pass -q to
turn off this notice.
Dec 05 09:05:06 andromeda org_kde_powerdevil[2412]: Initializing libddcutil.
ddcutil version: 2.1.4, shared library: /usr/lib64/libddcutil.so.5.1.2
Dec 05 09:05:07 andromeda org_kde_powerdevil[2412]: busno=14, Feature 0xdd
should not exist but ddc_get_nontable_vcp_value() succeeds, returning mh=0x00
ml=0x64 sh=0x00 sl=0x64
Dec 05 09:05:07 andromeda org_kde_powerdevil[2412]: busno=14, Feature 0x41
should not exist but ddc_get_nontable_vcp_value() succeeds, returning mh=0x00
ml=0x64 sh=0x00 sl=0x64
Dec 05 09:05:07 andromeda org_kde_powerdevil[2412]: busno=14, Feature 0x00
should not exist but ddc_get_nontable_vcp_value() succeeds, returning mh=0x00
ml=0x64 sh=0x00 sl=0x64
Dec 05 13:02:39 andromeda org_kde_powerdevil[2412]: org.kde.powerdevil:
[DDCutilDisplay]: ddca_open_display2 -3030
Dec 05 13:02:40 andromeda org_kde_powerdevil[2412]: org.kde.powerdevil:
[DDCutilDisplay]: ddca_open_display2 -3030
Dec 05 13:02:42 andromeda org_kde_powerdevil[2412]: org.kde.powerdevil:
[DDCutilDisplay]: ddca_open_display2 -3030
Dec 05 13:02:45 andromeda org_kde_powerdevil[2412]: org.kde.powerdevil:
[DDCutilDisplay]: ddca_open_display2 -3030
```
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