*** This bug is a duplicate of bug 1958191 ***
https://bugs.launchpad.net/bugs/1958191
Same here, after upgrading from 20.04 on my ThinkPad E460 which had been
working fine for years.
lshw | grep -A2 display
*-display
description: VGA compatible controller
product: Skylake GT2 [HD Graphics 520]
--
*-display
description: Display controller
product: Topaz XT [Radeon R7 M260/M265 / M340/M360 / M440/M445
/ 530/535 / 620/625 Mobile]
uname -a
Linux siegel 5.15.0-27-generic #28-Ubuntu SMP Thu Apr 14 04:55:28 UTC
2022 x86_64 x86_64 x86_64 GNU/Linux
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https://bugs.launchpad.net/bugs/1970426
Title:
[i915] screen is flickering in Ubuntu 22.04 (until i915.enable_dc=0
intel_idle.max_cstate=2 are added)
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