Few tests - dmesg-warn/dmesg-fail - *ERROR* Failed to read DPCD register 0x92
7> [156.500006] i915 0000:00:02.0: [drm:intel_dp_set_edid [i915]] [CONNECTOR:264:DP-3] VRR capable: no
<7> [156.500085] i915 0000:00:02.0: [drm:intel_dp_set_edid [i915]] [CONNECTOR:264:DP-3] DFP max bpc 0, max dotclock 0, TMDS clock 0-0, PCON Max FRL BW 0Gbps
<7> [156.659964] i915 0000:00:02.0: [drm:drm_dp_dpcd_access [drm_display_helper]] AUX USBC3/DDI TC3/PHY TC3: Too many retries, giving up. First error: -6
<7> [156.819988] i915 0000:00:02.0: [drm:drm_dp_dpcd_access [drm_display_helper]] AUX USBC3/DDI TC3/PHY TC3: Too many retries, giving up. First error: -6
<3> [156.819997] i915 0000:00:02.0: [drm] *ERROR* Failed to read DPCD register 0x92
<7> [156.820044] i915 0000:00:02.0: [drm:intel_dp_set_edid [i915]] PCON ENCODER DSC DPCD: 00 00 00 00 00 00 00 00 00 00 00 00 00
<7> [156.820132] i915 0000:00:02.0: [drm:intel_dp_set_edid [i915]] [CONNECTOR:264:DP-3] RGB->YcbCr conversion? no, YCbCr 4:2:0 allowed? yes, YCbCr 4:4:4->4:2:0 conversion? no
<7> [156.979957] i915 0000:00:02.0: [drm:drm_dp_dpcd_access [drm_display_helper]] AUX USBC3/DDI TC3/PHY TC3: Too many retries, giving up. First error: -6
<7> [156.979999] i915 0000:00:02.0: [drm:drm_mode_prune_invalid] Rejected mode: "3840x2160": 60 533250 3840 3888 3920 4000 2160 2163 2168 2222 0x48 0x9 (STALE)
<7> [156.980009] i915 0000:00:02.0: [drm:drm_mode_prune_invalid] Rejected mode: "3840x2160": 30 297000 3840 4016 4104 4400 2160 2168 2178 2250 0x40 0x5 (STALE)
<7> [156.980014] i915 0000:00:02.0: [drm:drm_mode_prune_invalid] Rejected mode: "3840x2160": 30 296703 3840 4016 4104 4400 2160 2168 2178 2250 0x40 0x5 (STALE)
<7> [156.980017] i915 0000:00:02.0: [drm:drm_mode_prune_invalid] Rejected mode: "2560x1440": 60 241500 2560 2608 2640 2720 1440 1443 1448 1481 0x40 0x9 (STALE)
<7> [156.980019] i915 0000:00:02.0: [drm:drm_mode_prune_invalid] Rejected mode: "1920x1080": 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0x5 (STALE)
<7> [156.980022] i915 0000:00:02.0: [drm:drm_mode_prune_invalid] Rejected mode: "1920x1080": 60 148352 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0x5 (STALE)
<7> [156.980025] i915 0000:00:02.0: [drm:drm_mode_prune_invalid] Rejected mode: "1920x1080": 60 138500 1920 1962 2000 2080 1080 1083 1088 1111 0x40 0x9 (STALE)
<7> [156.980029] i915 0000:00:02.0: [drm:drm_mode_prune_invalid] Rejected mode: "1280x720": 60 74250 1280 1390 1430 1650 720 725 730 750 0x40 0x5 (STALE)
<7> [156.980032] i915 0000:00:02.0: [drm:drm_mode_prune_invalid] Rejected mode: "1280x720": 60 74176 1280 1390 1430 1650 720 725 730 750 0x40 0x5 (STALE)
<7> [156.980035] i915 0000:00:02.0: [drm:drm_mode_prune_invalid] Rejected mode: "720x480": 60 27027 720 736 798 858 480 489 495 525 0x40 0xa (STALE)
<7> [156.980038] i915 0000:00:02.0: [drm:drm_mode_prune_invalid] Rejected mode: "720x480": 60 27000 720 736 798 858 480 489 495 525 0x40 0xa (STALE)
<7> [156.980040] i915 0000:00:02.0: [drm:drm_mode_prune_invalid] Rejected mode: "640x480": 60 25200 640 656 752 800 480 490 492 525 0x40 0xa (STALE)
<7> [156.980043] i915 0000:00:02.0: [drm:drm_mode_prune_invalid] Rejected mode: "640x480": 60 25175 640 656 752 800 480 490 492 525 0x40 0xa (STALE)
<7> [156.980046] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:264:DP-3] probed modes:
<7> [156.980048] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] Probed mode: "640x480": 60 25175 640 656 752 800 480 490 492 525 0x48 0xa
<7> [156.980050] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] Probed mode: "1024x768": 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
<7> [156.980051] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] Probed mode: "800x600": 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5
<7> [156.980053] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] Probed mode: "800x600": 56 36000 800 824 896 1024 600 601 603 625 0x40 0x5
<7> [156.980054] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] Probed mode: "848x480": 60 33750 848 864 976 1088 480 486 494 517 0x40 0x5
<7> [156.980059] i915 0000:00:02.0: [drm:i915_hotplug_work_func [i915]] running encoder hotplug functions
<7> [156.980226] i915 0000:00:02.0: [drm:i915_hotplug_work_func [i915]] Connector DP-3 (pin 11) received hotplug event. (retry 0)
<7> [156.980384] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:264:DP-3]
<7> [156.984962] i915 0000:00:02.0: [drm:intel_hotplug_detect_connector [i915]] [CONNECTOR:264:DP-3] status updated from connected to disconnected (epoch counter 2->3)
<7> [156.985069] i915 0000:00:02.0: [drm:i915_hotplug_work_func [i915]] Connector HDMI-A-1 (pin 11) received hotplug event. (retry 0)
<7> [156.985164] i915 0000:00:02.0: [drm:intel_hdmi_detect [i915]] [CONNECTOR:272:HDMI-A-1]
<7> [156.989964] i915 0000:00:02.0: [drm:drm_sysfs_connector_hotplug_event] [CONNECTOR:264:DP-3] generating connector hotplug event
<7> [156.990159] i915 0000:00:02.0: [drm:drm_client_dev_hotplug] intel-fbdev: ret=0
<7> [156.990158] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:272:HDMI-A-1]
<7> [156.990174] i915 0000:00:02.0: [drm:intel_hdmi_detect [i915]] [CONNECTOR:272:HDMI-A-1]
<7> [156.995101] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:272:HDMI-A-1] disconnected
<7> [156.995137] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:278:HDMI-A-2]
<7> [156.995142] i915 0000:00:02.0: [drm:intel_hdmi_detect [i915]] [CONNECTOR:278:HDMI-A-2]
<7> [157.000160] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:278:HDMI-A-2] disconnected
<7> [157.000198] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:241:DP-1]
<7> [157.000202] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:241:DP-1]
<7> [157.000422] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:241:DP-1] disconnected
<7> [157.000471] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:255:DP-2]
<7> [157.000473] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:255:DP-2]
<7> [157.000635] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:255:DP-2] disconnected
<7> [157.000670] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:264:DP-3]
<7> [157.000673] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:264:DP-3]
<7> [157.005007] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:264:DP-3] disconnected
<7> [157.005052] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:272:HDMI-A-1]
<7> [157.005054] i915 0000:00:02.0: [drm:intel_hdmi_detect [i915]] [CONNECTOR:272:HDMI-A-1]
<7> [157.010037] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:272:HDMI-A-1] disconnected
<7> [157.010080] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:278:HDMI-A-2]
<7> [157.010083] i915 0000:00:02.0: [drm:intel_hdmi_detect [i915]] [CONNECTOR:278:HDMI-A-2]
<7> [157.015104] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:278:HDMI-A-2] disconnected
<7> [157.015349] i915 0000:00:02.0: [drm:drm_mode_addfb2] [FB:282]
<7> [157.019364] [drm:eb_lookup_vmas [i915]] EINVAL at eb_validate_vma:509
<7> [157.019843] [drm:eb_lookup_vmas [i915]] EINVAL at eb_validate_vma:509
<7> [157.048992] [drm:eb_lookup_vmas [i915]] EINVAL at eb_validate_vma:509
<7> [157.049166] [drm:eb_lookup_vmas [i915]] EINVAL at eb_validate_vma:509
<7> [158.019717] i915 0000:00:02.0: [drm:intel_tc_port_update_mode [i915]] Port E/TC#2: TC port mode reset (tbt-alt -> disconnected)
<7> [158.019850] i915 0000:00:02.0: [drm:intel_tc_port_update_mode [i915]] Port G/TC#4: TC port mode reset (legacy -> disconnected)
<7> [158.019918] i915 0000:00:02.0: [drm:intel_tc_port_update_mode [i915]] Port D/TC#1: TC port mode reset (tbt-alt -> disconnected)