https://bugs.kde.org/show_bug.cgi?id=489320
Richard Halkyard <rhalky...@gmail.com> changed:
What |Removed |Added
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CC| |rhalky...@gmail.com
--- Comment #2 from Richard Halkyard <rhalky...@gmail.com> ---
I think I'm running into this issue too, under Plasma 6.3 on Wayland. I have
two identical Dell U2417H monitors connected over DisplayPort. ddcutil can
control brightness on both monitors with `ddcutil -d <n> setvcp 10 <0-100>` for
n=1 or 2. But KDE only shows a brightness control for one of them (oddly, the
one that ddcutil sees as display 2).
When I swap cables and monitors between DisplayPort outputs, or use only one
monitor, the problem stays with the monitor. I have factory-reset both monitors
just to make sure it is not a configuration issue. If it wasn't for the fact
that ddcutil detects VCP 10 and can control the brightness both monitors just
fine, I would chalk it up to that particular monitor having an issue. But IMO,
if ddcutil can talk to it, KDE should be able to as well.
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