I have the same problem. When I press "Detect Displays" in the displays settings dialogue I get three "[drm:intel_dp_aux_native_read] *ERROR* too many retries, giving up" lines in the syslog.
I have the same problem. When I press "Detect Displays" in the displays settings dialogue I get three "[drm:intel_ dp_aux_ native_ read] *ERROR* too many retries, giving up" lines in the syslog.