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NeddySeagoon
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Joined: 05 Jul 2003
Posts: 54234
Location: 56N 3W
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 Posted: Sat Jan 14, 2023 7:19 pm Post subject: |
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user7719,
Ahhh ...
| Code: | [ 16.694] (II) modeset(0): Printing probed modes for output DP-2
[ 16.694] (II) modeset(0): Modeline "3840x1080"x60.0 266.50 3840 3888 3920 4000 1080 1083 1093 1111 +hsync -vsync (66.6 kHz eP)
[ 16.694] (II) modeset(0): Modeline "5120x1440"x70.3 549.75 5120 5168 5200 5280 1440 1443 1453 1481 +hsync -vsync (104.1 kHz e)
[ 16.694] (II) modeset(0): Modeline "5120x1440"x60.0 469.00 5120 5168 5200 5280 1440 1443 1453 1481 +hsync -vsync (88.8 kHz e)
[ 16.694] (II) modeset(0): Modeline "3840x1080"x75.0 333.30 3840 3888 3920 4000 1080 1083 1093 1111 +hsync -vsync (83.3 kHz e)
[ 16.694] (II) modeset(0): Modeline "2560x1440"x75.0 296.00 2560 2568 2600 2666 1440 1443 1448 1481 +hsync -vsync (111.0 kHz e)
[ 16.694] (II) modeset(0): Modeline "2560x1440"x60.0 241.50 2560 2608 2640 2720 1440 1443 1448 1481 +hsync +vsync (88.8 kHz e)
[ 16.694] (II) modeset(0): Modeline "1920x1080"x60.0 148.50 1920 2008 2052 2200 1080 1084 1089 1125 +hsync +vsync (67.5 kHz e)
[ 16.694] (II) modeset(0): Modeline "1920x1080"x50.0 148.50 1920 2448 2492 2640 1080 1084 1089 1125 +hsync +vsync (56.2 kHz e)
[ 16.694] (II) modeset(0): Modeline "1920x1080"x59.9 148.35 1920 2008 2052 2200 1080 1084 1089 1125 +hsync +vsync (67.4 kHz e)
[ 16.694] (II) modeset(0): Modeline "1920x1080i"x60.0 74.25 1920 2008 2052 2200 1080 1084 1094 1125 interlace +hsync +vsync (33.8 kHz e)
[ 16.694] (II) modeset(0): Modeline "1920x1080i"x50.0 74.25 1920 2448 2492 2640 1080 1084 1094 1125 interlace +hsync +vsync (28.1 kHz e)
[ 16.694] (II) modeset(0): Modeline "1920x1080i"x59.9 74.18 1920 2008 2052 2200 1080 1084 1094 1125 interlace +hsync +vsync (33.7 kHz e)
[ 16.694] (II) modeset(0): Modeline "1680x1050"x60.0 146.25 1680 1784 1960 2240 1050 1053 1059 1089 -hsync +vsync (65.3 kHz e)
[ 16.694] (II) modeset(0): Modeline "1280x1024"x75.0 135.00 1280 1296 1440 1688 1024 1025 1028 1066 +hsync +vsync (80.0 kHz e)
[ 16.694] (II) modeset(0): Modeline "1280x1024"x60.0 108.00 1280 1328 1440 1688 1024 1025 1028 1066 +hsync +vsync (64.0 kHz e)
[ 16.694] (II) modeset(0): Modeline "1440x900"x59.9 106.50 1440 1520 1672 1904 900 903 909 934 -hsync +vsync (55.9 kHz e)
[ 16.694] (II) modeset(0): Modeline "1280x960"x60.0 108.00 1280 1376 1488 1800 960 961 964 1000 +hsync +vsync (60.0 kHz e)
[ 16.694] (II) modeset(0): Modeline "1280x720"x60.0 74.25 1280 1390 1430 1650 720 725 730 750 +hsync +vsync (45.0 kHz e)
[ 16.694] (II) modeset(0): Modeline "1280x720"x50.0 74.25 1280 1720 1760 1980 720 725 730 750 +hsync +vsync (37.5 kHz e)
[ 16.694] (II) modeset(0): Modeline "1280x720"x59.9 74.18 1280 1390 1430 1650 720 725 730 750 +hsync +vsync (45.0 kHz e)
[ 16.694] (II) modeset(0): Modeline "1024x768"x75.0 78.75 1024 1040 1136 1312 768 769 772 800 +hsync +vsync (60.0 kHz e)
[ 16.694] (II) modeset(0): Modeline "1024x768"x70.1 75.00 1024 1048 1184 1328 768 771 777 806 -hsync -vsync (56.5 kHz e)
[ 16.694] (II) modeset(0): Modeline "1024x768"x60.0 65.00 1024 1048 1184 1344 768 771 777 806 -hsync -vsync (48.4 kHz e)
[ 16.694] (II) modeset(0): Modeline "832x624"x74.6 57.28 832 864 928 1152 624 625 628 667 -hsync -vsync (49.7 kHz e)
[ 16.694] (II) modeset(0): Modeline "800x600"x72.2 50.00 800 856 976 1040 600 637 643 666 +hsync +vsync (48.1 kHz e)
[ 16.694] (II) modeset(0): Modeline "800x600"x75.0 49.50 800 816 896 1056 600 601 604 625 +hsync +vsync (46.9 kHz e)
[ 16.694] (II) modeset(0): Modeline "800x600"x60.3 40.00 800 840 968 1056 600 601 605 628 +hsync +vsync (37.9 kHz e)
[ 16.694] (II) modeset(0): Modeline "800x600"x56.2 36.00 800 824 896 1024 600 601 603 625 +hsync +vsync (35.2 kHz e)
[ 16.694] (II) modeset(0): Modeline "720x576"x50.0 27.00 720 732 796 864 576 581 586 625 -hsync -vsync (31.2 kHz e)
[ 16.694] (II) modeset(0): Modeline "720x480"x60.0 27.03 720 736 798 858 480 489 495 525 -hsync -vsync (31.5 kHz e)
[ 16.694] (II) modeset(0): Modeline "720x480"x59.9 27.00 720 736 798 858 480 489 495 525 -hsync -vsync (31.5 kHz e)
[ 16.694] (II) modeset(0): Modeline "640x480"x75.0 31.50 640 656 720 840 480 481 484 500 -hsync -vsync (37.5 kHz e)
[ 16.694] (II) modeset(0): Modeline "640x480"x72.8 31.50 640 664 704 832 480 489 492 520 -hsync -vsync (37.9 kHz e)
[ 16.694] (II) modeset(0): Modeline "640x480"x66.7 30.24 640 704 768 864 480 483 486 525 -hsync -vsync (35.0 kHz e)
[ 16.694] (II) modeset(0): Modeline "640x480"x60.0 25.20 640 656 752 800 480 490 492 525 -hsync -vsync (31.5 kHz e)
[ 16.694] (II) modeset(0): Modeline "640x480"x59.9 25.18 640 656 752 800 480 490 492 525 -hsync -vsync (31.5 kHz e)
[ 16.694] (II) modeset(0): Modeline "720x400"x70.1 28.32 720 738 846 900 400 412 414 449 -hsync +vsync (31.5 kHz e)
[ 16.698] (II) modeset(0): EDID for output HDMI-3
[ 16.698] (II) modeset(0): Output DP-1 disconnected
[ 16.698] (II) modeset(0): Output HDMI-1 disconnected
[ 16.698] (II) modeset(0): Output HDMI-2 disconnected
[ 16.698] (II) modeset(0): Output DP-2 connected
[ 16.698] (II) modeset(0): Output HDMI-3 disconnected
[ 16.698] (II) modeset(0): Using exact sizes for initial modes
[ 16.698] (II) modeset(0): Output DP-2 using initial mode 3840x1080 +0+0 |
I've not seen that for years ... your display is supposed to return the best (native) display resolution first in its EDID data response.
Here its second or third, depending on the refresh rate you want. That used to be a common bug in early flat panel displays.
We need to write a modeline and tell Xorg to use it.
Writing the modeline is easy, its almost a copy/paste from the above.
| Code: | Modeline "5120x1440x70.3" 549.75 5120 5168 5200 5280 1440 1443 1453 1481 +hsync -vsync
Modeline "5120x1440x60.0" 469.00 5120 5168 5200 5280 1440 1443 1453 1481 +hsync -vsync |
That goes into a xorg.conf.d fragment. Lets call it widescreen.conf
widescreen.conf contains.
| Code: | Section "Monitor"
Identifier "widescreen"
Modeline "5120x1440x70.3" 549.75 5120 5168 5200 5280 1440 1443 1453 1481 +hsync -vsyn c
Modeline "5120x1440x60.0" 469.00 5120 5168 5200 5280 1440 1443 1453 1481 +hsync -vsync
EndSection |
That makes the two modelines available for the monitor called widescreen. Now one of them needs to be used, so we need a Screen section.
| Code: | Section "Screen"
Identifier "fix resolution bug"
Monitor "widescreen"
SubSection "Display"
Modes "5120x1440x60.0"
EndSubSection
EndSection |
Both those sections go into /etc/X11/xorg.conf.d/widescreen.conf
All the gory detail is in
Currently, the automatics are doing their thing, and getting it wrong.
| Code: | [ 16.516] (==) Using system config directory "/usr/share/X11/xorg.conf.d"
[ 16.517] (==) No Layout section. Using the first Screen section.
[ 16.517] (==) No screen section available. Using defaults.
[ 16.517] (**) |-->Screen "Default Screen Section" (0)
[ 16.517] (**) | |-->Monitor "<default monitor>"
[ 16.517] (==) No monitor specified for screen "Default Screen Section".
Using a default monitor configuration.
[ 16.517] (==) Automatically adding devices
[ 16.517] (==) Automatically enabling devices
[ 16.517] (==) Automatically adding GPU devices
[ 16.517] (==) Automatically binding GPU devices |
Those two sections in /etc/X11/xorg.conf.d/widescreen.conf will override the defaults.
"5120x1440x60.0" will be safe. Every display can do 60Hz. I suspect that your screen can do 70.3Hz vertical refresh too, or it shouldn't really advertise it.
We can check the specs if you share the make and model.
That should get you going at your native display resolution. Its been a long time since I've needed to do this though.
_________________
Regards,
NeddySeagoon
Computer users fall into two groups:-
those that do backups
those that have never had a hard drive fail. |
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user7719
n00b
Joined: 19 Feb 2021
Posts: 60
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| Posted: Tue Jan 17, 2023 6:37 pm Post subject: |
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Hi NeddySeagoon,
I've not been near to this computer to try the xorg config out. I was able to set the resolution via kde and things seemed to work ok.
Thank you for your help. |
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NeddySeagoon
Administrator
Joined: 05 Jul 2003
Posts: 54234
Location: 56N 3W
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| Posted: Tue Jan 17, 2023 7:47 pm Post subject: |
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user7719,
No problem. As long as its resolved.
_________________
Regards,
NeddySeagoon
Computer users fall into two groups:-
those that do backups
those that have never had a hard drive fail. |
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