https://bugs.kde.org/show_bug.cgi?id=465396

--- Comment #12 from Matt Jolly <matt.jolly@footclan.ninja> ---
Notes: No EDID emulation on the KVM

Configuration as manually corrected below, when I switch the KVM back to KDE
*most* of the time (but not always) DP-1 and DP-2 switch priorities.

I did not notice this with earlier Plasma versions; however without EDID
emulation rotation settings and orientation were a bit flaky. That seems to
have been resolved by the latest update - orientation and layout has remained
consistent.

```
kscreen-doctor -o; kscreen-console
Output: 1 eDP-1 enabled connected priority 3 Panel Modes: 0:1920x1080@144*!
1:1920x1080@60 2:1280x1024@60 3:1024x768@60 4:1280x800@60 5:1920x1080@60
6:1600x900@60 7:1368x768@60 8:1280x720@60 Geometry: 4000,1480 1920x1080 Scale:
1 Rotation: 1 Overscan: 0 Vrr: incapable RgbRange: unknown
Output: 2 DP-1 enabled connected priority 2 DisplayPort Modes: 0:2560x1440@60!
1:2560x1440@144* 2:2560x1440@120 3:1920x1080@120 4:1920x1080@100 5:1920x1080@60
6:1920x1080@60 7:1920x1080@50 8:1920x1080@30 9:1920x1080@25 10:1920x1080@24
11:1680x1050@60 12:1400x1050@60 13:1280x1024@75 14:1280x1024@60 15:1440x900@60
16:1280x960@60 17:1280x720@60 18:1280x720@60 19:1280x720@50 20:1024x768@75
21:1024x768@70 22:1024x768@60 23:800x600@75 24:800x600@72 25:800x600@60
26:800x600@56 27:720x576@50 28:720x480@60 29:640x480@75 30:640x480@73
31:640x480@60 32:640x480@60 33:1600x1200@60 34:1280x1024@60 35:1024x768@60
36:1920x1200@60 37:1280x800@60 38:2560x1440@60 39:1920x1080@60 40:1600x900@60
41:1368x768@60 42:1280x720@60 Geometry: 0,0 1440x2560 Scale: 1 Rotation: 2
Overscan: 0 Vrr: incapable RgbRange: unknown
Output: 3 DP-2 enabled connected priority 1 DisplayPort Modes: 0:2560x1440@60!
1:2560x1440@144* 2:2560x1440@120 3:1920x1080@120 4:1920x1080@100 5:1920x1080@60
6:1920x1080@60 7:1920x1080@50 8:1920x1080@30 9:1920x1080@25 10:1920x1080@24
11:1680x1050@60 12:1400x1050@60 13:1280x1024@75 14:1280x1024@60 15:1440x900@60
16:1280x960@60 17:1280x720@60 18:1280x720@60 19:1280x720@50 20:1024x768@75
21:1024x768@70 22:1024x768@60 23:800x600@75 24:800x600@72 25:800x600@60
26:800x600@56 27:720x576@50 28:720x480@60 29:640x480@75 30:640x480@73
31:640x480@60 32:640x480@60 33:1600x1200@60 34:1280x1024@60 35:1024x768@60
36:1920x1200@60 37:1280x800@60 38:2560x1440@60 39:1920x1080@60 40:1600x900@60
41:1368x768@60 42:1280x720@60 Geometry: 1440,557 2560x1440 Scale: 1 Rotation: 1
Overscan: 0 Vrr: incapable RgbRange: unknown
START: Requesting Config
Received config. Took 12 milliseconds
Screen:
        maxSize: QSize(64000, 64000)
        minSize: QSize(0, 0)
        currentSize: QSize(5920, 2560)

-----------------------------------------------------

Id:  1
Name:  "eDP-1"
Type:  "Panel (Laptop)"
Connected:  true
Enabled:  true
Priority:  3
Rotation:  KScreen::Output::None
Pos:  QPoint(4000,1480)
MMSize:  QSize(340, 190)
FollowPreferredMode:  false
Size:  QSize(1920, 1080)
Scale:  1
Clones:  None
Mode:  "0"
Preferred Mode:  "0"
Preferred modes:  ("0")
Modes: 
         "0"    "1920x1080@144"   QSize(1920, 1080)   143.998
         "1"    "1920x1080@60"   QSize(1920, 1080)   60.003
         "2"    "1280x1024@60"   QSize(1280, 1024)   59.895
         "3"    "1024x768@60"   QSize(1024, 768)   59.92
         "4"    "1280x800@60"   QSize(1280, 800)   59.81
         "5"    "1920x1080@60"   QSize(1920, 1080)   59.963
         "6"    "1600x900@60"   QSize(1600, 900)   59.946
         "7"    "1368x768@60"   QSize(1368, 768)   59.882
         "8"    "1280x720@60"   QSize(1280, 720)   59.855
EDID Info: 
        Device ID:  "xrandr-LG Display"
        Name:  ""
        Vendor:  "LG Display"
        Serial:  ""
        EISA ID:  "LP156WFG-SPB3"
        Hash:  "12cffd318d795a1833351da979b84505"
        Width:  34
        Height:  19
        Gamma:  2.2
        Red:  QQuaternion(scalar:1, vector:(0.639648, 0.328125, 0))
        Green:  QQuaternion(scalar:1, vector:(0.304688, 0.605469, 0))
        Blue:  QQuaternion(scalar:1, vector:(0.150391, 0.0546875, 0))
        White:  QQuaternion(scalar:1, vector:(0.313477, 0.329102, 0))

-----------------------------------------------------

Id:  2
Name:  "DP-1"
Type:  "DisplayPort"
Connected:  true
Enabled:  true
Priority:  2
Rotation:  KScreen::Output::Left
Pos:  QPoint(0,0)
MMSize:  QSize(600, 340)
FollowPreferredMode:  false
Size:  QSize(1440, 2560)
Scale:  1
Clones:  None
Mode:  "1"
Preferred Mode:  "0"
Preferred modes:  ("0")
Modes: 
         "0"    "2560x1440@60"   QSize(2560, 1440)   59.951
         "1"    "2560x1440@144"   QSize(2560, 1440)   143.912
         "10"    "1920x1080@24"   QSize(1920, 1080)   23.977
         "11"    "1680x1050@60"   QSize(1680, 1050)   59.954
         "12"    "1400x1050@60"   QSize(1400, 1050)   59.978
         "13"    "1280x1024@75"   QSize(1280, 1024)   75.025
         "14"    "1280x1024@60"   QSize(1280, 1024)   60.02
         "15"    "1440x900@60"   QSize(1440, 900)   59.887
         "16"    "1280x960@60"   QSize(1280, 960)   60
         "17"    "1280x720@60"   QSize(1280, 720)   60
         "18"    "1280x720@60"   QSize(1280, 720)   59.943
         "19"    "1280x720@50"   QSize(1280, 720)   50
         "2"    "2560x1440@120"   QSize(2560, 1440)   120.01
         "20"    "1024x768@75"   QSize(1024, 768)   75.029
         "21"    "1024x768@70"   QSize(1024, 768)   70.069
         "22"    "1024x768@60"   QSize(1024, 768)   60.004
         "23"    "800x600@75"   QSize(800, 600)   75
         "24"    "800x600@72"   QSize(800, 600)   72.188
         "25"    "800x600@60"   QSize(800, 600)   60.317
         "26"    "800x600@56"   QSize(800, 600)   56.25
         "27"    "720x576@50"   QSize(720, 576)   50
         "28"    "720x480@60"   QSize(720, 480)   59.94
         "29"    "640x480@75"   QSize(640, 480)   75
         "3"    "1920x1080@120"   QSize(1920, 1080)   119.879
         "30"    "640x480@73"   QSize(640, 480)   72.809
         "31"    "640x480@60"   QSize(640, 480)   59.94
         "32"    "640x480@60"   QSize(640, 480)   59.929
         "33"    "1600x1200@60"   QSize(1600, 1200)   59.869
         "34"    "1280x1024@60"   QSize(1280, 1024)   59.895
         "35"    "1024x768@60"   QSize(1024, 768)   59.92
         "36"    "1920x1200@60"   QSize(1920, 1200)   59.885
         "37"    "1280x800@60"   QSize(1280, 800)   59.81
         "38"    "2560x1440@60"   QSize(2560, 1440)   59.961
         "39"    "1920x1080@60"   QSize(1920, 1080)   59.963
         "4"    "1920x1080@100"   QSize(1920, 1080)   99.898
         "40"    "1600x900@60"   QSize(1600, 900)   59.946
         "41"    "1368x768@60"   QSize(1368, 768)   59.882
         "42"    "1280x720@60"   QSize(1280, 720)   59.855
         "5"    "1920x1080@60"   QSize(1920, 1080)   60
         "6"    "1920x1080@60"   QSize(1920, 1080)   59.939
         "7"    "1920x1080@50"   QSize(1920, 1080)   50
         "8"    "1920x1080@30"   QSize(1920, 1080)   29.972
         "9"    "1920x1080@25"   QSize(1920, 1080)   25
EDID Info: 
        Device ID:  "xrandr-ViewSonic Corporation-XG2705-2K-WBJ204200094"
        Name:  "XG2705-2K"
        Vendor:  "ViewSonic Corporation"
        Serial:  "WBJ204200094"
        EISA ID:  ""
        Hash:  "c70c826c485512185d16f1180d3f85bf"
        Width:  60
        Height:  34
        Gamma:  2.2
        Red:  QQuaternion(scalar:1, vector:(0.677734, 0.308594, 0))
        Green:  QQuaternion(scalar:1, vector:(0.265625, 0.663086, 0))
        Blue:  QQuaternion(scalar:1, vector:(0.148438, 0.0527344, 0))
        White:  QQuaternion(scalar:1, vector:(0.313477, 0.329102, 0))

-----------------------------------------------------

Id:  3
Name:  "DP-2"
Type:  "DisplayPort"
Connected:  true
Enabled:  true
Priority:  1
Rotation:  KScreen::Output::None
Pos:  QPoint(1440,557)
MMSize:  QSize(600, 340)
FollowPreferredMode:  false
Size:  QSize(2560, 1440)
Scale:  1
Clones:  None
Mode:  "1"
Preferred Mode:  "0"
Preferred modes:  ("0")
Modes: 
         "0"    "2560x1440@60"   QSize(2560, 1440)   59.951
         "1"    "2560x1440@144"   QSize(2560, 1440)   143.912
         "10"    "1920x1080@24"   QSize(1920, 1080)   23.977
         "11"    "1680x1050@60"   QSize(1680, 1050)   59.954
         "12"    "1400x1050@60"   QSize(1400, 1050)   59.978
         "13"    "1280x1024@75"   QSize(1280, 1024)   75.025
         "14"    "1280x1024@60"   QSize(1280, 1024)   60.02
         "15"    "1440x900@60"   QSize(1440, 900)   59.887
         "16"    "1280x960@60"   QSize(1280, 960)   60
         "17"    "1280x720@60"   QSize(1280, 720)   60
         "18"    "1280x720@60"   QSize(1280, 720)   59.943
         "19"    "1280x720@50"   QSize(1280, 720)   50
         "2"    "2560x1440@120"   QSize(2560, 1440)   120.01
         "20"    "1024x768@75"   QSize(1024, 768)   75.029
         "21"    "1024x768@70"   QSize(1024, 768)   70.069
         "22"    "1024x768@60"   QSize(1024, 768)   60.004
         "23"    "800x600@75"   QSize(800, 600)   75
         "24"    "800x600@72"   QSize(800, 600)   72.188
         "25"    "800x600@60"   QSize(800, 600)   60.317
         "26"    "800x600@56"   QSize(800, 600)   56.25
         "27"    "720x576@50"   QSize(720, 576)   50
         "28"    "720x480@60"   QSize(720, 480)   59.94
         "29"    "640x480@75"   QSize(640, 480)   75
         "3"    "1920x1080@120"   QSize(1920, 1080)   119.879
         "30"    "640x480@73"   QSize(640, 480)   72.809
         "31"    "640x480@60"   QSize(640, 480)   59.94
         "32"    "640x480@60"   QSize(640, 480)   59.929
         "33"    "1600x1200@60"   QSize(1600, 1200)   59.869
         "34"    "1280x1024@60"   QSize(1280, 1024)   59.895
         "35"    "1024x768@60"   QSize(1024, 768)   59.92
         "36"    "1920x1200@60"   QSize(1920, 1200)   59.885
         "37"    "1280x800@60"   QSize(1280, 800)   59.81
         "38"    "2560x1440@60"   QSize(2560, 1440)   59.961
         "39"    "1920x1080@60"   QSize(1920, 1080)   59.963
         "4"    "1920x1080@100"   QSize(1920, 1080)   99.898
         "40"    "1600x900@60"   QSize(1600, 900)   59.946
         "41"    "1368x768@60"   QSize(1368, 768)   59.882
         "42"    "1280x720@60"   QSize(1280, 720)   59.855
         "5"    "1920x1080@60"   QSize(1920, 1080)   60
         "6"    "1920x1080@60"   QSize(1920, 1080)   59.939
         "7"    "1920x1080@50"   QSize(1920, 1080)   50
         "8"    "1920x1080@30"   QSize(1920, 1080)   29.972
         "9"    "1920x1080@25"   QSize(1920, 1080)   25
EDID Info: 
        Device ID:  "xrandr-ViewSonic Corporation-XG2705-2K-WBJ204200115"
        Name:  "XG2705-2K"
        Vendor:  "ViewSonic Corporation"
        Serial:  "WBJ204200115"
        EISA ID:  ""
        Hash:  "490d8decb66b70a157750b519045551f"
        Width:  60
        Height:  34
        Gamma:  2.2
        Red:  QQuaternion(scalar:1, vector:(0.677734, 0.308594, 0))
        Green:  QQuaternion(scalar:1, vector:(0.265625, 0.663086, 0))
        Blue:  QQuaternion(scalar:1, vector:(0.148438, 0.0527344, 0))
        White:  QQuaternion(scalar:1, vector:(0.313477, 0.329102, 0))
```

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