Yes it seems Xorg changes its definition of the preferred/current
resolutions.
Before:
1920x1080 (0x190) 148.500MHz +HSync +VSync +preferred
h: width 1920 start 2008 end 2052 total 2200 skew 0 clock 67.50KHz
v: height 1080 start 1084 end 1089 total 1125 clock 60.00Hz
1920x1080 (0x191) 148.500MHz +HSync +VSync *current
h: width 1920 start 2008 end 2052 total 2200 skew 0 clock 67.50KHz
v: height 1080 start 1082 end 1087 total 1125 clock 60.00Hz
After:
1920x1080i (0x194) 74.250MHz +HSync +VSync Interlace *current
h: width 1920 start 2008 end 2052 total 2200 skew 0 clock 33.75KHz
v: height 1080 start 1084 end 1094 total 1125 clock 60.00Hz
1920x1080i (0x195) 74.250MHz +HSync +VSync Interlace
h: width 1920 start 2448 end 2492 total 2640 skew 0 clock 28.12KHz
v: height 1080 start 1084 end 1094 total 1125 clock 50.00Hz
** Package changed: gnome-shell (Ubuntu) => mutter (Ubuntu)
** Package changed: mutter (Ubuntu) => xorg-server (Ubuntu)
** Summary changed:
- blurry resolution after resume on second screen
+ [modeset] blurry resolution after resume on second screen
** Changed in: xorg-server (Ubuntu)
Status: Incomplete => New
** Summary changed:
- [modeset] blurry resolution after resume on second screen
+ [modeset] blurry resolution (incorrectly detected as interlaced) after resume
on second screen
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https://bugs.launchpad.net/bugs/1918055
Title:
[modeset] blurry resolution (incorrectly detected as interlaced) after
resume on second screen [Dell U2417H]
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