https://bugs.kde.org/show_bug.cgi?id=423456
Bug ID: 423456
Summary: Unable to use external screen with KScreen in Wayland
Product: KScreen
Version: git
Platform: Other
OS: Other
Status: REPORTED
Severity: normal
Priority: NOR
Component: libkscreen
Assignee: kscreen-bugs-n...@kde.org
Reporter: shawn.st...@rogers.com
Target Milestone: ---
SUMMARY
When I use a DisplayPort connector on a laptop KScreen does not detect the
external display (It is a DisplayPort to VGA adaptor but still 'displayport' to
whoever sees the device).
STEPS TO REPRODUCE
1. Start KDE Wayland 5.18.x likely 5.19+ also kwin/plasma
2. Go to systemsettings, Check the display only see Laptop display listed
OBSERVED RESULT
Only Laptop display is available
EXPECTED RESULT
All external detected displays shown
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: System Settings Version 5.18.5 - Fedora KDE
(available in About System)
KDE Plasma Version: 5.18.5
KDE Frameworks Version: 5.70.0
Qt Version: 5.14.2
ADDITIONAL INFORMATION
RANDR info
Screen 0: minimum 320 x 200, current 3839 x 1200, maximum 16384 x 16384
eDP-1 connected 1920x1080+1919+0 (normal left inverted right x axis y axis)
382mm x 215mm
1920x1080 60.01 + 60.01 59.97 59.96 59.93*
1680x1050 59.95 59.88
1400x1050 59.98
1600x900 59.99 59.94 59.95 59.82
1280x1024 60.02
1400x900 59.96 59.88
1280x960 60.00
1440x810 60.00 59.97
1368x768 59.88 59.85
1280x800 59.99 59.97 59.81 59.91
1280x720 60.00 59.99 59.86 59.74
1024x768 60.04 60.00
960x720 60.00
928x696 60.05
896x672 60.01
1024x576 59.95 59.96 59.90 59.82
960x600 59.93 60.00
960x540 59.96 59.99 59.63 59.82
800x600 60.00 60.32 56.25
840x525 60.01 59.88
864x486 59.92 59.57
700x525 59.98
800x450 59.95 59.82
640x512 60.02
700x450 59.96 59.88
640x480 60.00 59.94
720x405 59.51 58.99
684x384 59.88 59.85
640x400 59.88 59.98
640x360 59.86 59.83 59.84 59.32
512x384 60.00
512x288 60.00 59.92
480x270 59.63 59.82
400x300 60.32 56.34
432x243 59.92 59.57
320x240 60.05
360x202 59.51 59.13
320x180 59.84 59.32
VGA-1 disconnected (normal left inverted right x axis y axis)
DP-4 disconnected (normal left inverted right x axis y axis)
HDMI-1 disconnected (normal left inverted right x axis y axis)
DisplayPort-1-0 connected primary 1920x1200+0+0 (normal left inverted right x
axis y axis) 518mm x 324mm
1920x1200 59.95*+
1920x1080 59.95
1600x1200 60.00
1680x1050 59.95
1280x1024 75.02 60.02
1440x900 59.95
1280x960 60.00
1280x800 59.95
1152x864 75.00
1280x720 59.95
1024x768 75.03 70.07 60.00
832x624 74.55
800x600 72.19 75.00 60.32 56.25
640x480 75.00 72.81 66.67 59.94
720x400 70.08
DisplayPort-1-1 disconnected (normal left inverted right x axis y axis)
DisplayPort-1-2 disconnected (normal left inverted right x axis y axis)
1280x1024 (0x4e) 108.000MHz +HSync +VSync
h: width 1280 start 1328 end 1440 total 1688 skew 0 clock 63.98KHz
v: height 1024 start 1025 end 1028 total 1066 clock 60.02Hz
1280x960 (0x50) 108.000MHz +HSync +VSync
h: width 1280 start 1376 end 1488 total 1800 skew 0 clock 60.00KHz
v: height 960 start 961 end 964 total 1000 clock 60.00Hz
1024x768 (0x56) 65.000MHz -HSync -VSync
h: width 1024 start 1048 end 1184 total 1344 skew 0 clock 48.36KHz
v: height 768 start 771 end 777 total 806 clock 60.00Hz
800x600 (0x5a) 40.000MHz +HSync +VSync
h: width 800 start 840 end 968 total 1056 skew 0 clock 37.88KHz
v: height 600 start 601 end 605 total 628 clock 60.32Hz
800x600 (0x5b) 36.000MHz +HSync +VSync
h: width 800 start 824 end 896 total 1024 skew 0 clock 35.16KHz
v: height 600 start 601 end 603 total 625 clock 56.25Hz
640x480 (0x5f) 25.175MHz -HSync -VSync
h: width 640 start 656 end 752 total 800 skew 0 clock 31.47KHz
v: height 480 start 490 end 492 total 525 clock 59.94Hz
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