Ubuntu
linux package

  1. Bug #1937072
  2. Comment #20

Comment 20 for bug 1937072

Revision history for this message
Daniel van Vugt (vanvugt) wrote : Re: [Ice Lake] Incomplete screen redraws

It looks like this might be a Panel Self Refresh bug. PSR was disabled in Ubuntu 20.04 but seems to be enabled (sometimes) in newer Ubuntu releases. So please try disabling it by adding a kernel parameter:

  i915.enable_psr=0