Comment 17 for bug 1821820

Here are drm messages from logs booting up with drm.debug=14 with 5.0.0-11.12. You can see the link training issues are still present.

21:00:11 kernel: [drm:intel_dp_get_link_train_fallback_values [i915]] Retrying Link training for eDP with same parameters
21:00:11 kernel: [drm:intel_dp_start_link_train [i915]] [CONNECTOR:85:eDP-1] Link Training failed at link rate = 324000, lane count = 1
21:00:11 kernel: [drm:intel_dp_set_signal_levels [i915]] Using pre-emphasis level 0
21:00:11 kernel: [drm:intel_dp_program_link_training_pattern [i915]] Using DP training pattern TPS1
21:00:11 kernel: [drm:intel_dp_set_signal_levels [i915]] Using pre-emphasis level 0
21:00:11 kernel: [drm:intel_dp_start_link_train [i915]] Using LINK_RATE_SET value 04