*** This bug is a duplicate of bug 1958191 ***
https://bugs.launchpad.net/bugs/1958191
> Is there any reliable solution to this bug ?
It looks like the following is working for everyone so far:
1. Edit /etc/default/grub to add append i915.enable_dc=0
intel_idle.max_cstate=2 to the contents of GRUB_CMDLINE_LINUX_DEFAULT (so,
unless you've edited it before, the line looks like
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash i915.enable_dc=0
intel_idle.max_cstate=2")
2. sudo update-grub
3. reboot
I've been flicker-free ever since I've done that, while the flickering
was relatively frequent before that.
Alternatively, running a 5.13 kernel should work too.
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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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