https://bugs.kde.org/show_bug.cgi?id=492481
--- Comment #3 from hammadilyas720+kdeb...@gmail.com ---
This happens always for me. After system go to sleep and wakes up, one of of
the monitor is always dimmer and I am unable to change the brightness of that
monitor.
- How is the monitor connected?
The faulty one is connected with DP and the other one is connected with
HDMI.
- Has changing screen brightness via Plasma ever worked?
It works fine when I start my computer. After computer wakes up from sleep,
it stops working for one of my monitors.
- Can you paste the output of `kscreen-doctor -o`?
Output: 1 HDMI-A-2
enabled
connected
priority 2
HDMI
Modes: 0:1920x1080@60*! 1:1920x1080@60 2:1920x1080@50
3:1680x1050@60 4:1600x900@60 5:1280x1024@60 6:1440x900@60 7:1280x800@60
8:1280x720@60 9:1280x720@60 10:1280x720@50 11:1024x768@60 12:800x600@60
13:720x576@50 14:720x480@60 15:640x480@60 16:640x480@60
Geometry: 1920,0 1920x1080
Scale: 1
Rotation: 1
Overscan: 0
Vrr: incapable
RgbRange: unknown
HDR: incapable
Wide Color Gamut: incapable
ICC profile: none
Color profile source: sRGB
Output: 2 DP-4
enabled
connected
priority 1
DisplayPort
Modes: 0:1920x1080@60*! 1:1920x1080@144 2:1920x1080@120
3:1920x1080@120 4:1920x1080@100 5:1920x1080@60 6:1920x1080@50
7:1920x1080@30 8:1920x1080@25 9:1920x1080@24 10:1600x1200@60
11:1680x1050@60 12:1400x1050@60 13:1600x900@60 14:1280x1024@75
15:1280x1024@60 16:1440x900@60 17:1280x960@60 18:1280x720@60 19:1280x720@60
20:1280x720@50 21:1024x768@75 22:1024x768@70 23:1024x768@60 24:800x600@75
25:800x600@72 26:800x600@60 27:800x600@56 28:720x576@50 29:720x480@60
30:640x480@75 31:640x480@73 32:640x480@60 33:640x480@60
Geometry: 0,0 1920x1080
Scale: 1
Rotation: 1
Overscan: 0
Vrr: Automatic
RgbRange: unknown
HDR: incapable
Wide Color Gamut: incapable
ICC profile: none
Color profile source: sRGB
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