Thank you for filing this bug and make Ubuntu better!
Can you try this kernel parameter editing your grub:
i915.enable_dc=0 intel_idle.max_cstate=2
and see if this fixes your flickering?
Thank you for filing this bug and make Ubuntu better!
Can you try this kernel parameter editing your grub:
i915.enable_dc=0 intel_idle. max_cstate= 2
and see if this fixes your flickering?