Dec 25 17:25:15 u-HP-EliteBook-820-G2 kernel: [  103.683937] [drm:intel_dp_start_link_train] *ERROR* too many voltage retries, give up
Dec 25 17:25:15 u-HP-EliteBook-820-G2 kernel: [  103.689414] [drm:intel_dp_start_link_train] *ERROR* too many voltage retries, give up
Dec 25 17:25:15 u-HP-EliteBook-820-G2 kernel: [  103.694899] [drm:intel_dp_start_link_train] *ERROR* too many voltage retries, give up
Dec 25 17:25:15 u-HP-EliteBook-820-G2 kernel: [  103.700558] [drm:intel_dp_start_link_train] *ERROR* too many voltage retries, give up
Dec 25 17:25:15 u-HP-EliteBook-820-G2 kernel: [  103.706088] [drm:intel_dp_start_link_train] *ERROR* too many voltage retries, give up
Dec 25 17:25:15 u-HP-EliteBook-820-G2 kernel: [  103.711421] [drm:intel_dp_start_link_train] *ERROR* too many voltage retries, give up
Dec 25 17:25:15 u-HP-EliteBook-820-G2 kernel: [  103.716800] [drm:intel_dp_start_link_train] *ERROR* too many voltage retries, give up
Dec 25 17:25:15 u-HP-EliteBook-820-G2 kernel: [  103.717027] [drm:intel_dp_complete_link_train] *ERROR* failed to train DP, aborting
Dec 25 17:25:15 u-HP-EliteBook-820-G2 kernel: [  103.727985] [drm:intel_dp_start_link_train] *ERROR* too many voltage retries, give up
Dec 25 17:25:15 u-HP-EliteBook-820-G2 kernel: [  103.733337] [drm:intel_dp_start_link_train] *ERROR* too many voltage retries, give up
Dec 25 17:25:15 u-HP-EliteBook-820-G2 kernel: [  103.738739] [drm:intel_dp_start_link_train] *ERROR* too many voltage retries, give up
Dec 25 17:25:15 u-HP-EliteBook-820-G2 kernel: [  103.744080] [drm:intel_dp_start_link_train] *ERROR* too many voltage retries, give up
Dec 25 17:25:15 u-HP-EliteBook-820-G2 kernel: [  103.749421] [drm:intel_dp_start_link_train] *ERROR* too many voltage retries, give up
Dec 25 17:25:15 u-HP-EliteBook-820-G2 kernel: [  103.755121] [drm:intel_dp_start_link_train] *ERROR* too many voltage retries, give up
Dec 25 17:25:15 u-HP-EliteBook-820-G2 kernel: [  103.760644] [drm:intel_dp_start_link_train] *ERROR* too many voltage retries, give up
Dec 25 17:25:15 u-HP-EliteBook-820-G2 kernel: [  103.760869] [drm:intel_dp_complete_link_train] *ERROR* failed to train DP, aborting