Thanks for your (new) report. The old one seems to have been forgotten and
died. The issue here is clear: The monitor is reporting bad data in the EDID.
From the xrandr output you posted in the other report:
1280x1024 (0x3d) 599.5MHz +HSync +VSync *current
which is also seen in your ddcprobe output:
dtiming: 1280x1024@392
I believe there is no bug in the drivers, but a quirk (hardware-specific
workaround) should be added for your type of monitor.
** Changed in: xorg (Ubuntu)
Status: New => Confirmed
** Summary changed:
- Hansol H750 giving wrong EDID refresh rate
+ [needs quirk] Hansol H750 giving wrong EDID refresh rate
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https://bugs.launchpad.net/bugs/835945
Title:
[needs quirk] Hansol H750 giving wrong EDID refresh rate
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