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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - radeon (amdgpu) GDM flip queue failed invalid argument, DisplayPort issues"
href="https://bugs.freedesktop.org/show_bug.cgi?id=107560#c9">Comment # 9</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - radeon (amdgpu) GDM flip queue failed invalid argument, DisplayPort issues"
href="https://bugs.freedesktop.org/show_bug.cgi?id=107560">bug 107560</a>
from <span class="vcard"><a class="email" href="mailto:freedesktop-bugs@fermulator.fastmail.org" title="Fermulator <freedesktop-bugs@fermulator.fastmail.org>"> <span class="fn">Fermulator</span></a>
</span></b>
<pre>this morning, at the system physically
the issue I submitted originally is no longer happening (there have been
several kernel updates since original submission ...)
$ uname -r
4.17.17-100.fc27.x86_64
now however, the symptom is:
noticed that the same monitor (connected via DisplayPort) had mis-match
capabilities (wasn't able to go max resolution)
```
$ xrandr
Screen 0: minimum 320 x 200, current 3840 x 1200, maximum 16384 x 16384
DisplayPort-0 connected primary 1920x1080+0+0 (normal left inverted right x
axis y axis) 0mm x 0mm
1920x1080 59.95*
1600x1200 59.95
1680x1050 59.95
1280x1024 59.95
1440x900 59.95
1280x800 59.95
1280x720 59.95
1024x768 59.95
800x600 59.95
640x480 59.95
HDMI-A-0 disconnected (normal left inverted right x axis y axis)
DVI-D-0 connected 1920x1200+1920+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 60.02
1440x900 59.95
1280x960 60.00
1280x800 59.95
1280x720 59.95
1024x768 60.00
800x600 60.32 56.25
640x480 59.94
```
The " 1920x1200 59.95*+" option is missing from the display port monitor.
If I disconnect the DP, and reconnect, it comes back.
```
$ xrandr | grep +
DisplayPort-0 connected primary 1920x1200+0+0 (normal left inverted right x
axis y axis) 518mm x 324mm
1920x1200 59.95*+
DVI-D-0 connected 1920x1200+1920+0 (normal left inverted right x axis y axis)
518mm x 324mm
1920x1200 59.95*+
```</pre>
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