This bug was fixed in the package mutter - 3.36.1-3ubuntu2
---------------
mutter (3.36.1-3ubuntu2) focal; urgency=medium
* d/p/monitor-config-manager-Fallback-to-closed-laptop-lid-conf.patch:
- Fallback to closed laptop lid configuration if no other available
(LP: #1793496)
* d/p/x11-Add-support-for-fractional-scaling-using-Randr.patch:
- Don't override non-fractionally scaled monitors scaling (LP: #1873348)
-- Marco Trevisan (Treviño) <[email protected]> Thu, 16 Apr 2020
22:04:59 +0200
** Changed in: mutter (Ubuntu Focal)
Status: In Progress => Fix Released
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https://bugs.launchpad.net/bugs/1793496
Title:
scaling changes when closing/re-opening the lid
Status in Mutter:
New
Status in mutter package in Ubuntu:
Fix Released
Status in mutter source package in Bionic:
Confirmed
Status in mutter source package in Focal:
Fix Released
Bug description:
scaling changes when closing/re-opening the lid. Seen in bionic.
Mz scaling is set to 100%, but the laptop is considered highdpi by
mutter, and during suspend/resume it changes back to default ignoring
settings.
$ xprop -spy -root RESOURCE_MANAGER
[...]
RESOURCE_MANAGER(STRING) =
"*customization:\t-color\nXft.dpi:\t192\nXft.antialias:\t1\nXft.hinting:\t1\nXft.hintstyle:\thintslight\nXft.rgba:\trgb\nXcursor.size:\t48\nXcursor.theme:\tDMZ-White\n"
RESOURCE_MANAGER(STRING) =
"*customization:\t-color\nXft.dpi:\t96\nXft.antialias:\t1\nXft.hinting:\t1\nXft.hintstyle:\thintslight\nXft.rgba:\trgb\nXcursor.size:\t24\nXcursor.theme:\tDMZ-White\n"
xrandr
Screen 0: minimum 320 x 200, current 2560 x 1440, maximum 8192 x 8192
eDP-1 connected primary 2560x1440+0+0 (normal left inverted right x axis y
axis) 309mm x 174mm
2560x1440 60.00*+ 59.99 59.99 59.96 59.95
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