Kernel 6.1 no display on Lenovo Dock

Hi,

I’ve been using Manjaro for some time now on my Lenovo T14 AMD Gen1.
There is a USB-C Dock connected Gen2 from Lenovo with two external Display Port screens.

Yesterday I went to manjaro 22.0.0 and with it I upgraded to Kernel 6.1. Eversince the external screens won’t display anything, they say “No Signal”.

In the Gnome Settings though they are shown. Whatever I do, it won’t work.
When I boot Kernel 5.15.84 the displays go back to a working state.
This is what journalctl looks like, when I connect it with Kernel 6.1:

Dez 23 11:33:31 t14 kernel: usb 4-1: new high-speed USB device number 21 using xhci_hcd
Dez 23 11:33:31 t14 kernel: usb 4-1: New USB device found, idVendor=17ef, idProduct=a392, bcdDevice= d.24
Dez 23 11:33:31 t14 kernel: usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
Dez 23 11:33:31 t14 kernel: usb 4-1: Product: USB2.0 Hub
Dez 23 11:33:31 t14 kernel: usb 4-1: Manufacturer: VIA Labs, Inc.
Dez 23 11:33:31 t14 kernel: hub 4-1:1.0: USB hub found
Dez 23 11:33:31 t14 kernel: hub 4-1:1.0: 4 ports detected
Dez 23 11:33:32 t14 kernel: usb 4-1.1: new high-speed USB device number 22 using xhci_hcd
Dez 23 11:33:32 t14 kernel: usb 4-1.1: New USB device found, idVendor=17ef, idProduct=a387, bcdDevice=31.03
Dez 23 11:33:32 t14 kernel: usb 4-1.1: New USB device strings: Mfr=1, Product=2, SerialNumber=6
Dez 23 11:33:32 t14 kernel: usb 4-1.1: Product: USB-C Dock Ethernet
Dez 23 11:33:32 t14 kernel: usb 4-1.1: Manufacturer: Realtek
Dez 23 11:33:32 t14 kernel: usb 4-1.1: SerialNumber: 301000001
Dez 23 11:33:32 t14 kernel: usb 4-1.3: new high-speed USB device number 23 using xhci_hcd
Dez 23 11:33:32 t14 kernel: usb 4-1.3: New USB device found, idVendor=17ef, idProduct=a394, bcdDevice= d.23
Dez 23 11:33:32 t14 kernel: usb 4-1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=0
Dez 23 11:33:32 t14 kernel: usb 4-1.3: Product: USB2.0 Hub
Dez 23 11:33:32 t14 kernel: usb 4-1.3: Manufacturer: VIA Labs, Inc.
Dez 23 11:33:32 t14 kernel: [drm] DP Alt mode state on HPD: 1
Dez 23 11:33:32 t14 kernel: hub 4-1.3:1.0: USB hub found
Dez 23 11:33:32 t14 kernel: hub 4-1.3:1.0: 4 ports detected
Dez 23 11:33:33 t14 kernel: [drm] DM_MST: starting TM on aconnector: 000000000d27f2d3 [id: 89]
Dez 23 11:33:33 t14 kernel: usb 4-1.1: reset high-speed USB device number 22 using xhci_hcd
Dez 23 11:33:33 t14 kernel: r8152 4-1.1:1.0 (unnamed net_device) (uninitialized): Invalid header when reading pass-thru MAC addr
Dez 23 11:33:33 t14 kernel: r8152 4-1.1:1.0: load rtl8153b-2 v1 10/23/19 successfully
Dez 23 11:33:33 t14 kernel: [drm] Downstream port present 1, type 0
Dez 23 11:33:33 t14 kernel: r8152 4-1.1:1.0 eth0: v1.12.13
Dez 23 11:33:33 t14 NetworkManager[1334]: <info>  [1671791613.3396] manager: (eth0): new Ethernet device (/org/freedesktop/NetworkManager/Devices/8)
Dez 23 11:33:33 t14 mtp-probe[4852]: checking bus 4, device 22: "/sys/devices/pci0000:00/0000:00:08.1/0000:07:00.3/usb4/4-1/4-1.1"
Dez 23 11:33:33 t14 kernel: [drm] Downstream port present 1, type 0
Dez 23 11:33:33 t14 mtp-probe[4852]: bus: 4, device: 22 was not an MTP device
Dez 23 11:33:33 t14 dbus-daemon[1281]: [system] Activating via systemd: service name='org.freedesktop.Avahi' unit='dbus-org.freedesktop.Avahi.service' requested by ':1.140' (uid=970 pid=4792
 comm="/usr/lib/colord-sane")
Dez 23 11:33:33 t14 dbus-daemon[1281]: [system] Activation via systemd failed for unit 'dbus-org.freedesktop.Avahi.service': Unit dbus-org.freedesktop.Avahi.service not found.
Dez 23 11:33:33 t14 kernel: usb 4-1.3.3: new high-speed USB device number 24 using xhci_hcd
Dez 23 11:33:33 t14 kernel: usb 4-1.3.3: New USB device found, idVendor=17ef, idProduct=a395, bcdDevice=60.70
Dez 23 11:33:33 t14 kernel: usb 4-1.3.3: New USB device strings: Mfr=10, Product=11, SerialNumber=0
Dez 23 11:33:33 t14 kernel: usb 4-1.3.3: Product: USB2.0 Hub
Dez 23 11:33:33 t14 kernel: usb 4-1.3.3: Manufacturer: Lenovo
Dez 23 11:33:33 t14 kernel: [drm:dc_link_allocate_mst_payload [amdgpu]] *ERROR* Failure: pbn_per_slot==0 not allowed. Cannot continue, returning DC_UNSUPPORTED_VALUE.
Dez 23 11:33:33 t14 kernel: hub 4-1.3.3:1.0: USB hub found
Dez 23 11:33:33 t14 kernel: hub 4-1.3.3:1.0: 4 ports detected
Dez 23 11:33:34 t14 kernel: [drm:dc_link_allocate_mst_payload [amdgpu]] *ERROR* Failure: pbn_per_slot==0 not allowed. Cannot continue, returning DC_UNSUPPORTED_VALUE.
Dez 23 11:33:34 t14 mtp-probe[5108]: checking bus 4, device 22: "/sys/devices/pci0000:00/0000:00:08.1/0000:07:00.3/usb4/4-1/4-1.1"
Dez 23 11:33:34 t14 kernel: usb 4-1.3.3.1: new full-speed USB device number 25 using xhci_hcd
Dez 23 11:33:34 t14 systemd[1]: NetworkManager-dispatcher.service: Deactivated successfully.
Dez 23 11:33:34 t14 audit[1]: SERVICE_STOP pid=1 uid=0 auid=4294967295 ses=4294967295 subj=unconfined msg='unit=NetworkManager-dispatcher comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
Dez 23 11:33:34 t14 kernel: audit: type=1131 audit(1671791614.342:206): pid=1 uid=0 auid=4294967295 ses=4294967295 subj=unconfined msg='unit=NetworkManager-dispatcher comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
Dez 23 11:33:34 t14 kernel: usb 4-1.3.3.1: New USB device found, idVendor=17ef, idProduct=a38f, bcdDevice= 0.00
Dez 23 11:33:34 t14 kernel: usb 4-1.3.3.1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
Dez 23 11:33:34 t14 kernel: usb 4-1.3.3.1: Product: 40AS
Dez 23 11:33:34 t14 kernel: usb 4-1.3.3.1: Manufacturer: Cypress Semiconductor
Dez 23 11:33:34 t14 kernel: usb 4-1.3.3.1: SerialNumber: 1S40ASZKW19JXT
Dez 23 11:33:34 t14 kernel: hid-generic 0003:17EF:A38F.000D: hiddev96,hidraw0: USB HID v1.11 Device [Cypress Semiconductor 40AS] on usb-0000:07:00.3-1.3.3.1/input1
Dez 23 11:33:34 t14 kernel: usb 4-1.3.4: new full-speed USB device number 26 using xhci_hcd
Dez 23 11:33:34 t14 kernel: usb 4-1.3.3.2: new full-speed USB device number 27 using xhci_hcd
Dez 23 11:33:34 t14 kernel: usb 4-1.3.3.2: New USB device found, idVendor=17ef, idProduct=30d1, bcdDevice= 0.42
Dez 23 11:33:34 t14 kernel: usb 4-1.3.3.2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
Dez 23 11:33:34 t14 kernel: usb 4-1.3.3.2: Product: ThinkPad USB-C Dock Gen2 USB Audio
Dez 23 11:33:34 t14 kernel: usb 4-1.3.3.2: Manufacturer: Lenovo
Dez 23 11:33:34 t14 kernel: usb 4-1.3.3.2: SerialNumber: 000000000000
Dez 23 11:33:34 t14 kernel: usb 4-1.3.4: New USB device found, idVendor=0951, idProduct=16a4, bcdDevice= 0.30
Dez 23 11:33:34 t14 kernel: usb 4-1.3.4: New USB device strings: Mfr=1, Product=2, SerialNumber=3
Dez 23 11:33:34 t14 kernel: usb 4-1.3.4: Product: HyperX Virtual Surround Sound
Dez 23 11:33:34 t14 kernel: usb 4-1.3.4: Manufacturer: Kingston
Dez 23 11:33:34 t14 kernel: usb 4-1.3.4: SerialNumber: 00000000
Dez 23 11:33:35 t14 kernel: hid-generic 0003:17EF:30D1.000E: hiddev97,hidraw1: USB HID v1.11 Device [Lenovo ThinkPad USB-C Dock Gen2 USB Audio] on usb-0000:07:00.3-1.3.3.2/input3
Dez 23 11:33:35 t14 kernel: usb 4-1.3.3.3: new low-speed USB device number 28 using xhci_hcd
Dez 23 11:33:35 t14 kernel: usb 4-1.3.3.3: New USB device found, idVendor=046a, idProduct=c098, bcdDevice= 3.03
Dez 23 11:33:35 t14 kernel: usb 4-1.3.3.3: New USB device strings: Mfr=1, Product=2, SerialNumber=0
Dez 23 11:33:35 t14 kernel: usb 4-1.3.3.3: Product: CHERRY Corded Device
Dez 23 11:33:35 t14 kernel: usb 4-1.3.3.3: Manufacturer: Cherry GmbH
Dez 23 11:33:35 t14 kernel: input: Kingston HyperX Virtual Surround Sound Consumer Control as /devices/pci0000:00/0000:00:08.1/0000:07:00.3/usb4/4-1/4-1.3/4-1.3.4/4-1.3.4:1.3/0003:0951:16A4.000F/input/input31
Dez 23 11:33:35 t14 kernel: input: Cherry GmbH CHERRY Corded Device as /devices/pci0000:00/0000:00:08.1/0000:07:00.3/usb4/4-1/4-1.3/4-1.3.3/4-1.3.3.3/4-1.3.3.3:1.0/0003:046A:C098.0010/input/input33
Dez 23 11:33:35 t14 kernel: input: Kingston HyperX Virtual Surround Sound as /devices/pci0000:00/0000:00:08.1/0000:07:00.3/usb4/4-1/4-1.3/4-1.3.4/4-1.3.4:1.3/0003:0951:16A4.000F/input/input32
Dez 23 11:33:35 t14 kernel: hid-generic 0003:046A:C098.0010: input,hidraw2: USB HID v1.11 Keyboard [Cherry GmbH CHERRY Corded Device] on usb-0000:07:00.3-1.3.3.3/input0
Dez 23 11:33:35 t14 kernel: hid-generic 0003:0951:16A4.000F: input,hiddev98,hidraw3: USB HID v1.11 Device [Kingston HyperX Virtual Surround Sound] on usb-0000:07:00.3-1.3.4/input3
Dez 23 11:33:35 t14 mtp-probe[5121]: checking bus 4, device 26: "/sys/devices/pci0000:00/0000:00:08.1/0000:07:00.3/usb4/4-1/4-1.3/4-1.3.4"
Dez 23 11:33:35 t14 mtp-probe[5121]: bus: 4, device: 26 was not an MTP device
Dez 23 11:33:35 t14 kernel: input: Cherry GmbH CHERRY Corded Device as /devices/pci0000:00/0000:00:08.1/0000:07:00.3/usb4/4-1/4-1.3/4-1.3.3/4-1.3.3.3/4-1.3.3.3:1.1/0003:046A:C098.0011/input/input34
Dez 23 11:33:35 t14 kernel: hid-generic 0003:046A:C098.0011: input,hidraw4: USB HID v1.11 Device [Cherry GmbH CHERRY Corded Device] on usb-0000:07:00.3-1.3.3.3/input1
Dez 23 11:33:35 t14 kernel: usb 4-1.3.3.4: new full-speed USB device number 29 using xhci_hcd
Dez 23 11:33:35 t14 kernel: usb 4-1.3.3.4: New USB device found, idVendor=046a, idProduct=c094, bcdDevice= 1.03
Dez 23 11:33:35 t14 kernel: usb 4-1.3.3.4: New USB device strings: Mfr=1, Product=2, SerialNumber=0
Dez 23 11:33:35 t14 kernel: usb 4-1.3.3.4: Product: CHERRY Mouse
Dez 23 11:33:35 t14 kernel: usb 4-1.3.3.4: Manufacturer: Cherry GmbH
Dez 23 11:33:35 t14 kernel: input: Cherry GmbH CHERRY Mouse as /devices/pci0000:00/0000:00:08.1/0000:07:00.3/usb4/4-1/4-1.3/4-1.3.3/4-1.3.3.4/4-1.3.3.4:1.0/0003:046A:C094.0012/input/input35
Dez 23 11:33:35 t14 kernel: hid-generic 0003:046A:C094.0012: input,hidraw5: USB HID v1.11 Mouse [Cherry GmbH CHERRY Mouse] on usb-0000:07:00.3-1.3.3.4/input0
Dez 23 11:33:35 t14 mtp-probe[5150]: checking bus 4, device 25: "/sys/devices/pci0000:00/0000:00:08.1/0000:07:00.3/usb4/4-1/4-1.3/4-1.3.3/4-1.3.3.1"
Dez 23 11:33:35 t14 mtp-probe[5151]: checking bus 4, device 27: "/sys/devices/pci0000:00/0000:00:08.1/0000:07:00.3/usb4/4-1/4-1.3/4-1.3.3/4-1.3.3.2"
Dez 23 11:33:35 t14 mtp-probe[5150]: bus: 4, device: 25 was not an MTP device
Dez 23 11:33:35 t14 mtp-probe[5151]: bus: 4, device: 27 was not an MTP device
Dez 23 11:33:35 t14 mtp-probe[5153]: checking bus 4, device 29: "/sys/devices/pci0000:00/0000:00:08.1/0000:07:00.3/usb4/4-1/4-1.3/4-1.3.3/4-1.3.3.4"
Dez 23 11:33:35 t14 mtp-probe[5152]: checking bus 4, device 28: "/sys/devices/pci0000:00/0000:00:08.1/0000:07:00.3/usb4/4-1/4-1.3/4-1.3.3/4-1.3.3.3"
Dez 23 11:33:35 t14 mtp-probe[5153]: bus: 4, device: 29 was not an MTP device
Dez 23 11:33:35 t14 mtp-probe[5152]: bus: 4, device: 28 was not an MTP device
Dez 23 11:33:36 t14 mtp-probe[5108]: bus: 4, device: 22 was not an MTP device
Dez 23 11:33:36 t14 mtp-probe[5280]: checking bus 4, device 26: "/sys/devices/pci0000:00/0000:00:08.1/0000:07:00.3/usb4/4-1/4-1.3/4-1.3.4"
Dez 23 11:33:36 t14 mtp-probe[5280]: bus: 4, device: 26 was not an MTP device
Dez 23 11:33:36 t14 kernel: r8152 4-1.1:1.0 enp7s0f3u1u1: renamed from eth0
Dez 23 11:33:36 t14 NetworkManager[1334]: <info>  [1671791616.2337] device (eth0): interface index 7 renamed iface from 'eth0' to 'enp7s0f3u1u1'
Dez 23 11:33:36 t14 dbus-daemon[1281]: [system] Activating via systemd: service name='org.freedesktop.Avahi' unit='dbus-org.freedesktop.Avahi.service' requested by ':1.143' (uid=970 pid=5107 comm="/usr/lib/colord-sane")
Dez 23 11:33:36 t14 dbus-daemon[1281]: [system] Activation via systemd failed for unit 'dbus-org.freedesktop.Avahi.service': Unit dbus-org.freedesktop.Avahi.service not found.
Dez 23 11:33:36 t14 NetworkManager[1334]: <info>  [1671791616.2419] device (enp7s0f3u1u1): state change: unmanaged -> unavailable (reason 'managed', sys-iface-state: 'external')
Dez 23 11:33:36 t14 NetworkManager[1334]: <info>  [1671791616.2666] settings: (enp7s0f3u1u1): created default wired connection 'Kabelgebundene Verbindung 3'
Dez 23 11:33:36 t14 NetworkManager[1334]: <info>  [1671791616.3070] device (enp7s0f3u1u1): carrier: link connected
Dez 23 11:33:36 t14 kernel: IPv6: ADDRCONF(NETDEV_CHANGE): enp7s0f3u1u1: link becomes ready
Dez 23 11:33:36 t14 kernel: r8152 4-1.1:1.0 enp7s0f3u1u1: carrier on
Dez 23 11:33:36 t14 NetworkManager[1334]: <info>  [1671791616.3101] device (enp7s0f3u1u1): state change: unavailable -> disconnected (reason 'carrier-changed', sys-iface-state: 'managed')
Dez 23 11:33:36 t14 NetworkManager[1334]: <info>  [1671791616.3106] policy: auto-activating connection 'Kabelgebundene Verbindung 3' (623cd6b4-e845-3e1e-a231-05224e00569e)
Dez 23 11:33:36 t14 NetworkManager[1334]: <info>  [1671791616.3109] device (enp7s0f3u1u1): Activation: starting connection 'Kabelgebundene Verbindung 3' (623cd6b4-e845-3e1e-a231-05224e00569e)
Dez 23 11:33:36 t14 NetworkManager[1334]: <info>  [1671791616.3110] device (enp7s0f3u1u1): state change: disconnected -> prepare (reason 'none', sys-iface-state: 'managed')
Dez 23 11:33:36 t14 NetworkManager[1334]: <info>  [1671791616.3111] manager: NetworkManager state is now CONNECTING
Dez 23 11:33:36 t14 NetworkManager[1334]: <info>  [1671791616.3112] device (enp7s0f3u1u1): state change: prepare -> config (reason 'none', sys-iface-state: 'managed')
Dez 23 11:33:36 t14 NetworkManager[1334]: <info>  [1671791616.3115] device (enp7s0f3u1u1): state change: config -> ip-config (reason 'none', sys-iface-state: 'managed')
Dez 23 11:33:36 t14 NetworkManager[1334]: <info>  [1671791616.3118] dhcp4 (enp7s0f3u1u1): activation: beginning transaction (timeout in 45 seconds)
Dez 23 11:33:36 t14 mtp-probe[5336]: checking bus 4, device 27: "/sys/devices/pci0000:00/0000:00:08.1/0000:07:00.3/usb4/4-1/4-1.3/4-1.3.3/4-1.3.3.2"
Dez 23 11:33:36 t14 mtp-probe[5336]: bus: 4, device: 27 was not an MTP device
Dez 23 11:33:36 t14 mtp-probe[5337]: checking bus 4, device 25: "/sys/devices/pci0000:00/0000:00:08.1/0000:07:00.3/usb4/4-1/4-1.3/4-1.3.3/4-1.3.3.1"
Dez 23 11:33:36 t14 mtp-probe[5337]: bus: 4, device: 25 was not an MTP device
Dez 23 11:33:36 t14 dbus-daemon[1281]: [system] Activating via systemd: service name='org.freedesktop.Avahi' unit='dbus-org.freedesktop.Avahi.service' requested by ':1.146' (uid=970 pid=5314 comm="/usr/lib/colord-sane")
Dez 23 11:33:36 t14 dbus-daemon[1281]: [system] Activation via systemd failed for unit 'dbus-org.freedesktop.Avahi.service': Unit dbus-org.freedesktop.Avahi.service not found.
Dez 23 11:33:36 t14 systemd-logind[1291]: Watching system buttons on /dev/input/event6 (Cherry GmbH CHERRY Corded Device)
Dez 23 11:33:36 t14 mtp-probe[5344]: checking bus 4, device 28: "/sys/devices/pci0000:00/0000:00:08.1/0000:07:00.3/usb4/4-1/4-1.3/4-1.3.3/4-1.3.3.3"
Dez 23 11:33:36 t14 mtp-probe[5344]: bus: 4, device: 28 was not an MTP device
Dez 23 11:33:36 t14 mtp-probe[5348]: checking bus 4, device 29: "/sys/devices/pci0000:00/0000:00:08.1/0000:07:00.3/usb4/4-1/4-1.3/4-1.3.3/4-1.3.3.4"
Dez 23 11:33:36 t14 mtp-probe[5348]: bus: 4, device: 29 was not an MTP device
Dez 23 11:33:37 t14 gsd-media-keys[2771]: gvc_mixer_card_get_index: assertion 'GVC_IS_MIXER_CARD (card)' failed
Dez 23 11:33:38 t14 NetworkManager[1334]: <info>  [1671791618.2478] policy: set 'Kabelgebundene Verbindung 3' (enp7s0f3u1u1) as default for IPv6 routing and DNS
Dez 23 11:33:38 t14 NetworkManager[1334]: <info>  [1671791618.3129] dhcp4 (enp7s0f3u1u1): state changed new lease, address=192.168.20.147
Dez 23 11:33:38 t14 NetworkManager[1334]: <info>  [1671791618.3133] policy: set 'Kabelgebundene Verbindung 3' (enp7s0f3u1u1) as default for IPv4 routing and DNS
Dez 23 11:33:38 t14 dbus-daemon[1281]: [system] Activating via systemd: service name='org.freedesktop.nm_dispatcher' unit='dbus-org.freedesktop.nm-dispatcher.service' requested by ':1.4' (uid=0 pid=1334 comm="/usr/bin/NetworkManager --no-daemon")
Dez 23 11:33:38 t14 NetworkManager[1334]: <info>  [1671791618.3192] device (enp7s0f3u1u1): state change: ip-config -> ip-check (reason 'none', sys-iface-state: 'managed')
Dez 23 11:33:38 t14 systemd[1]: Starting Network Manager Script Dispatcher Service...
Dez 23 11:33:38 t14 dbus-daemon[1281]: [system] Successfully activated service 'org.freedesktop.nm_dispatcher'
Dez 23 11:33:38 t14 systemd[1]: Started Network Manager Script Dispatcher Service.
Dez 23 11:33:38 t14 audit[1]: SERVICE_START pid=1 uid=0 auid=4294967295 ses=4294967295 subj=unconfined msg='unit=NetworkManager-dispatcher comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
Dez 23 11:33:38 t14 NetworkManager[1334]: <info>  [1671791618.3645] device (enp7s0f3u1u1): state change: ip-check -> secondaries (reason 'none', sys-iface-state: 'managed')
Dez 23 11:33:38 t14 NetworkManager[1334]: <info>  [1671791618.3648] device (enp7s0f3u1u1): state change: secondaries -> activated (reason 'none', sys-iface-state: 'managed')
Dez 23 11:33:38 t14 NetworkManager[1334]: <info>  [1671791618.3652] manager: NetworkManager state is now CONNECTED_SITE
Dez 23 11:33:38 t14 NetworkManager[1334]: <info>  [1671791618.3656] device (enp7s0f3u1u1): Activation: successful, device activated.
Dez 23 11:33:38 t14 kernel: audit: type=1130 audit(1671791618.362:207): pid=1 uid=0 auid=4294967295 ses=4294967295 subj=unconfined msg='unit=NetworkManager-dispatcher comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
Dez 23 11:33:38 t14 NetworkManager[1334]: <info>  [1671791618.3895] manager: NetworkManager state is now CONNECTED_GLOBAL
Dez 23 11:33:38 t14 ModemManager[1382]: <info>  [base-manager] couldn't check support for device '/sys/devices/pci0000:00/0000:00:08.1/0000:07:00.3/usb4/4-1/4-1.1': not supported by any plugin
Dez 23 11:33:41 t14 gnome-shell[2436]: meta_display_get_monitor_in_fullscreen: assertion 'monitor >= 0 && monitor < n_logical_monitors' failed
Dez 23 11:33:41 t14 gnome-shell[2436]: meta_monitor_manager_get_logical_monitor_from_number: assertion '(unsigned int) number < g_list_length (manager->logical_monitors)' failed
Dez 23 11:33:41 t14 gnome-shell[2436]: meta_workspace_get_work_area_for_monitor: assertion 'logical_monitor != NULL' failed
Dez 23 11:33:48 t14 systemd[1]: NetworkManager-dispatcher.service: Deactivated successfully.
Dez 23 11:33:48 t14 audit[1]: SERVICE_STOP pid=1 uid=0 auid=4294967295 ses=4294967295 subj=unconfined msg='unit=NetworkManager-dispatcher comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
Dez 23 11:33:48 t14 kernel: audit: type=1131 audit(1671791628.408:208): pid=1 uid=0 auid=4294967295 ses=4294967295 subj=unconfined msg='unit=NetworkManager-dispatcher comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
Dez 23 11:33:49 t14 gnome-shell[2436]: meta_display_get_monitor_in_fullscreen: assertion 'monitor >= 0 && monitor < n_logical_monitors' failed
Dez 23 11:33:49 t14 gnome-shell[2436]: meta_monitor_manager_get_logical_monitor_from_number: assertion '(unsigned int) number < g_list_length (manager->logical_monitors)' failed
Dez 23 11:33:49 t14 gnome-shell[2436]: meta_workspace_get_work_area_for_monitor: assertion 'logical_monitor != NULL' failed

Those seem relevant:

Dez 23 11:33:33 t14 kernel: [drm:dc_link_allocate_mst_payload [amdgpu]] *ERROR* Failure: pbn_per_slot==0 not allowed. Cannot continue, returning DC_UNSUPPORTED_VALUE.
Dez 23 11:33:33 t14 kernel: hub 4-1.3.3:1.0: USB hub found
Dez 23 11:33:33 t14 kernel: hub 4-1.3.3:1.0: 4 ports detected
Dez 23 11:33:34 t14 kernel: [drm:dc_link_allocate_mst_payload [amdgpu]] *ERROR* Failure: pbn_per_slot==0 not allowed. Cannot continue, returning DC_UNSUPPORTED_VALUE.
Dez 23 11:33:34 t14 mtp-probe[5108]: checking bus 4, device 22: "/sys/devices/pci0000:00/0000:00:08.1/0000:07:00.3/usb4/4-1/4-1.1"

and

Dez 23 11:33:41 t14 gnome-shell[2436]: meta_display_get_monitor_in_fullscreen: assertion 'monitor >= 0 && monitor < n_logical_monitors' failed
Dez 23 11:33:41 t14 gnome-shell[2436]: meta_monitor_manager_get_logical_monitor_from_number: assertion '(unsigned int) number < g_list_length (manager->logical_monitors)' failed
Dez 23 11:33:41 t14 gnome-shell[2436]: meta_workspace_get_work_area_for_monitor: assertion 'logical_monitor != NULL' failed
Dez 23 11:33:48 t14 systemd[1]: NetworkManager-dispatcher.service: Deactivated successfully.
Dez 23 11:33:48 t14 audit[1]: SERVICE_STOP pid=1 uid=0 auid=4294967295 ses=4294967295 subj=unconfined msg='unit=NetworkManager-dispatcher comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
Dez 23 11:33:48 t14 kernel: audit: type=1131 audit(1671791628.408:208): pid=1 uid=0 auid=4294967295 ses=4294967295 subj=unconfined msg='unit=NetworkManager-dispatcher comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
Dez 23 11:33:49 t14 gnome-shell[2436]: meta_display_get_monitor_in_fullscreen: assertion 'monitor >= 0 && monitor < n_logical_monitors' failed
Dez 23 11:33:49 t14 gnome-shell[2436]: meta_monitor_manager_get_logical_monitor_from_number: assertion '(unsigned int) number < g_list_length (manager->logical_monitors)' failed
Dez 23 11:33:49 t14 gnome-shell[2436]: meta_workspace_get_work_area_for_monitor: assertion 'logical_monitor != NULL' failed

Does Kernel 6.0 have this issue?

On Kernel 6.0.14 the error does not occur.
Here is an excerpt of the logs.

Dez 23 14:55:53 t14 kernel: usb 4-1.1: new high-speed USB device number 4 using xhci_hcd
Dez 23 14:55:53 t14 kernel: usb 4-1.1: New USB device found, idVendor=17ef, idProduct=a387, bcdDevice=31.03
Dez 23 14:55:53 t14 kernel: usb 4-1.1: New USB device strings: Mfr=1, Product=2, SerialNumber=6
Dez 23 14:55:53 t14 kernel: usb 4-1.1: Product: USB-C Dock Ethernet
Dez 23 14:55:53 t14 kernel: usb 4-1.1: Manufacturer: Realtek
Dez 23 14:55:53 t14 kernel: usb 4-1.1: SerialNumber: 301000001
Dez 23 14:55:53 t14 kernel: usb 4-1.3: new high-speed USB device number 5 using xhci_hcd
Dez 23 14:55:53 t14 kernel: [drm] DP Alt mode state on HPD: 1
Dez 23 14:55:53 t14 kernel: usb 4-1.3: New USB device found, idVendor=17ef, idProduct=a394, bcdDevice= d.23
Dez 23 14:55:53 t14 kernel: usb 4-1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=0
Dez 23 14:55:53 t14 kernel: usb 4-1.3: Product: USB2.0 Hub
Dez 23 14:55:53 t14 kernel: usb 4-1.3: Manufacturer: VIA Labs, Inc.
Dez 23 14:55:53 t14 kernel: [drm] DM_MST: starting TM on aconnector: 000000002d04a1e7 [id: 89]
Dez 23 14:55:53 t14 kernel: hub 4-1.3:1.0: USB hub found
Dez 23 14:55:53 t14 kernel: hub 4-1.3:1.0: 4 ports detected
Dez 23 14:55:53 t14 mtp-probe[3329]: checking bus 4, device 4: "/sys/devices/pci0000:00/0000:00:08.1/0000:07:00.3/usb4/4-1/4-1.1"
Dez 23 14:55:53 t14 mtp-probe[3329]: bus: 4, device: 4 was not an MTP device
Dez 23 14:55:53 t14 kernel: [drm] Downstream port present 1, type 0
Dez 23 14:55:53 t14 kernel: [drm] Downstream port present 1, type 0
Dez 23 14:55:53 t14 kernel: r8169 0000:02:00.0 enp2s0f0: Link is Down
Dez 23 14:55:54 t14 kernel: [drm] crtc[1] needs mode_changed
Dez 23 14:55:54 t14 kernel: r8169 0000:05:00.0 enp5s0: Link is Down
Dez 23 14:55:54 t14 kernel: usb 4-1.3.3: new high-speed USB device number 6 using xhci_hcd
Dez 23 14:55:54 t14 kernel: usbcore: registered new interface driver r8152
Dez 23 14:55:54 t14 kernel: usbcore: registered new interface driver cdc_ether
Dez 23 14:55:54 t14 kernel: usb 4-1.3.3: New USB device found, idVendor=17ef, idProduct=a395, bcdDevice=60.70
Dez 23 14:55:54 t14 kernel: usb 4-1.3.3: New USB device strings: Mfr=10, Product=11, SerialNumber=0
Dez 23 14:55:54 t14 kernel: usb 4-1.3.3: Product: USB2.0 Hub
Dez 23 14:55:54 t14 kernel: usb 4-1.3.3: Manufacturer: Lenovo
Dez 23 14:55:54 t14 kernel: hub 4-1.3.3:1.0: USB hub found
Dez 23 14:55:54 t14 kernel: hub 4-1.3.3:1.0: 4 ports detected
Dez 23 14:55:54 t14 kernel: usb 4-1.1: reset high-speed USB device number 4 using xhci_hcd
Dez 23 14:55:54 t14 kernel: r8152 4-1.1:1.0 (unnamed net_device) (uninitialized): Invalid header when reading pass-thru MAC addr
Dez 23 14:55:54 t14 kernel: usb 4-1.3.3.1: new full-speed USB device number 7 using xhci_hcd

I can also say that for my machine

Thinkpad T14s with
AMD Ryzen 7 PRO 4750U with Radeon Graphics

with this docking station

ThinkPad Ultra Docking Station

on Kernel 6.0.15-1 the problem does not occur, but on Kernel 6.1.1-1 it does.

Since upgrading to linux 6.1.x I have the same problem, only one external display works, on Linux 6.0 I am able to work with two external displays.
Thinkpad T14s AMD with docking station

[ 21.661793] amdgpu 0000:06:00.0: amdgpu: SE 1, SH per SE 1, CU per SH 8, active_cu_number 7
[ 21.661867] amdgpu 0000:06:00.0: amdgpu: ring gfx uses VM inv eng 0 on hub 0
[ 21.661868] amdgpu 0000:06:00.0: amdgpu: ring comp_1.0.0 uses VM inv eng 1 on hub 0
[ 21.661869] amdgpu 0000:06:00.0: amdgpu: ring comp_1.1.0 uses VM inv eng 4 on hub 0
[ 21.661870] amdgpu 0000:06:00.0: amdgpu: ring comp_1.2.0 uses VM inv eng 5 on hub 0
[ 21.661871] amdgpu 0000:06:00.0: amdgpu: ring comp_1.3.0 uses VM inv eng 6 on hub 0
[ 21.661872] amdgpu 0000:06:00.0: amdgpu: ring comp_1.0.1 uses VM inv eng 7 on hub 0
[ 21.661873] amdgpu 0000:06:00.0: amdgpu: ring comp_1.1.1 uses VM inv eng 8 on hub 0
[ 21.661874] amdgpu 0000:06:00.0: amdgpu: ring comp_1.2.1 uses VM inv eng 9 on hub 0
[ 21.661875] amdgpu 0000:06:00.0: amdgpu: ring comp_1.3.1 uses VM inv eng 10 on hub 0
[ 21.661875] amdgpu 0000:06:00.0: amdgpu: ring kiq_2.1.0 uses VM inv eng 11 on hub 0
[ 21.661876] amdgpu 0000:06:00.0: amdgpu: ring sdma0 uses VM inv eng 0 on hub 1
[ 21.661877] amdgpu 0000:06:00.0: amdgpu: ring vcn_dec uses VM inv eng 1 on hub 1
[ 21.661879] amdgpu 0000:06:00.0: amdgpu: ring vcn_enc0 uses VM inv eng 4 on hub 1
[ 21.661880] amdgpu 0000:06:00.0: amdgpu: ring vcn_enc1 uses VM inv eng 5 on hub 1
[ 21.661880] amdgpu 0000:06:00.0: amdgpu: ring jpeg_dec uses VM inv eng 6 on hub 1
[ 21.673752] [drm] Initialized amdgpu 3.49.0 20150101 for 0000:06:00.0 on minor 0
[ 21.678539] fbcon: amdgpudrmfb (fb0) is primary device
[ 21.678703] [drm] DSC precompute is not needed.
[ 21.744344] Console: switching to colour frame buffer device 240x67
[ 21.764189] amdgpu 0000:06:00.0: [drm] fb0: amdgpudrmfb frame buffer device
[ 21.876786] [drm] Downstream port present 1, type 0
[ 22.007666] [drm] Downstream port present 1, type 0
[ 22.365879] ------------[ cut here ]------------
[ 22.365883] WARNING: CPU: 8 PID: 68 at drivers/gpu/drm/amd/amdgpu/…/display/dc/core/dc_link.c:3533 update_mst_stream_alloc_table+0x150/0x160 [amdgpu]
[ 22.366190] Modules linked in: xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_reject_ipv4 xt_tcpudp nft_compat nft_chain_nat nf_nat nf_conntrack nf
_defrag_ipv6 nf_defrag_ipv4 nf_tables nfnetlink bridge stp llc qrtr cmac algif_hash algif_skcipher af_alg bnep snd_soc_dmic snd_acp3x_pdm_dma snd_acp3x_rn s
nd_sof_amd_rembrandt snd_sof_amd_renoir snd_sof_amd_acp intel_rapl_msr snd_sof_pci intel_rapl_common vfat snd_sof fat snd_sof_utils snd_soc_core snd_compres
s snd_ctl_led think_lmi iwlmvm snd_hda_codec_realtek edac_mce_amd ac97_bus firmware_attributes_class wmi_bmof amdgpu tps6598x ext4 snd_pcm_dmaengine snd_hda
_codec_generic snd_usb_audio snd_hda_codec_hdmi btusb snd_pci_ps mbcache btrtl snd_hda_intel mac80211 snd_usbmidi_lib uvcvideo kvm_amd snd_rpl_pci_acp6x jbd
2 libarc4 btbcm snd_acp_pci gpu_sched snd_intel_dspcfg videobuf2_vmalloc snd_intel_sdw_acpi kvm btintel snd_rawmidi videobuf2_memops snd_pci_acp6x drm_buddy
snd_hda_codec snd_hda_core iwlwifi irqbypass r8169 btmtk
[ 22.366228] snd_seq_device drm_ttm_helper snd_pci_acp5x videobuf2_v4l2 snd_hwdep rapl thinkpad_acpi videobuf2_common realtek snd_rn_pci_acp3x snd_pcm tt
m bluetooth ledtrig_audio cfg80211 pcspkr snd_acp_config mdio_devres platform_profile psmouse snd_timer videodev drm_display_helper ecdh_generic sp5100_tco
snd_soc_acpi ipmi_devintf snd k10temp snd_pci_acp3x i2c_piix4 crc16 mc cec libphy ipmi_msghandler rfkill soundcore video ucsi_acpi typec_ucsi joydev uas typ
ec roles i2c_scmi mousedev serial_multi_instantiate wmi acpi_cpufreq mac_hid uinput dm_multipath sg crypto_user fuse bpf_preload ip_tables x_tables btrfs bl
ake2b_generic libcrc32c crc32c_generic xor raid6_pq usb_storage mmc_block usbhid dm_crypt cbc encrypted_keys trusted asn1_encoder tee dm_mod crct10dif_pclmu
l crc32_pclmul crc32c_intel polyval_clmulni polyval_generic gf128mul ghash_clmulni_intel rtsx_pci_sdmmc serio_raw atkbd sha512_ssse3 nvme mmc_core libps2 vi
valdi_fmap aesni_intel crypto_simd nvme_core ccp cryptd i8042
[ 22.366275] xhci_pci rtsx_pci nvme_common xhci_pci_renesas serio
[ 22.366279] CPU: 8 PID: 68 Comm: kworker/8:0 Not tainted 6.1.3-1-MANJARO #1 60413e793a4b069c4abc446a5f18445af2bad3b2
[ 22.366281] Hardware name: LENOVO 20UH0036GE/20UH0036GE, BIOS R1CET72W(1.41 ) 06/14/2022
[ 22.366283] Workqueue: events_long drm_dp_mst_link_probe_work [drm_display_helper]
[ 22.366295] RIP: 0010:update_mst_stream_alloc_table+0x150/0x160 [amdgpu]
[ 22.366518] Code: 00 00 75 2d 48 81 c4 98 00 00 00 5b 5d 41 5c e9 4a 5a 26 d4 41 0f b7 40 04 4d 89 19 49 89 59 08 66 41 89 41 10 e9 71 ff ff ff <0f> 0b e9 fe fe ff ff e8 b4 74 e8 d3 0f 1f 40 00 0f 1f 44 00 00 55
[ 22.366519] RSP: 0018:ffffab86403af680 EFLAGS: 00010202
[ 22.366520] RAX: 0000000000000002 RBX: 0000000000000000 RCX: 0000000000000000
[ 22.366521] RDX: 0000000000000000 RSI: ffffab86403af680 RDI: ffffab86403af710
[ 22.366522] RBP: ffff91d8ee240aa0 R08: ffffab86403af740 R09: ffffab86403af488
[ 22.366523] R10: ffff91d8c5b33c00 R11: ffff91d8c42c8960 R12: 0000000000000002
[ 22.366523] R13: ffff91d8c63ef800 R14: ffffffffc1d064c0 R15: 0000000000000000
[ 22.366524] FS: 0000000000000000(0000) GS:ffff91dfafa00000(0000) knlGS:0000000000000000
[ 22.366525] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 22.366526] CR2: 00007fd1607feba4 CR3: 00000001dd810000 CR4: 0000000000350ee0
[ 22.366528] Call Trace:
[ 22.366530]
[ 22.366533] dc_link_allocate_mst_payload+0x99/0x2a0 [amdgpu 1cdf4203d91ef0ad81be9c4e578d6a128f16b0ee]
[ 22.366755] core_link_enable_stream+0x7d0/0x980 [amdgpu 1cdf4203d91ef0ad81be9c4e578d6a128f16b0ee]
[ 22.366973] ? optc1_set_drr+0x13a/0x1e0 [amdgpu 1cdf4203d91ef0ad81be9c4e578d6a128f16b0ee]
[ 22.367198] dce110_apply_ctx_to_hw+0x67b/0x720 [amdgpu 1cdf4203d91ef0ad81be9c4e578d6a128f16b0ee]
[ 22.367418] dc_commit_state_no_check+0x38c/0xc90 [amdgpu 1cdf4203d91ef0ad81be9c4e578d6a128f16b0ee]
[ 22.367637] dc_commit_state+0x96/0x110 [amdgpu 1cdf4203d91ef0ad81be9c4e578d6a128f16b0ee]
[ 22.367854] amdgpu_dm_atomic_commit_tail+0x4a4/0x2ae0 [amdgpu 1cdf4203d91ef0ad81be9c4e578d6a128f16b0ee]
[ 22.368082] ? dcn21_fast_validate_bw+0x3c2/0x490 [amdgpu 1cdf4203d91ef0ad81be9c4e578d6a128f16b0ee]
[ 22.368304] ? dcn21_validate_bandwidth_fp+0x115/0x6e0 [amdgpu 1cdf4203d91ef0ad81be9c4e578d6a128f16b0ee]
[ 22.368547] ? resource_build_scaling_params+0x908/0xeb0 [amdgpu 1cdf4203d91ef0ad81be9c4e578d6a128f16b0ee]
[ 22.368867] ? dc_fpu_end+0x97/0xb0 [amdgpu 1cdf4203d91ef0ad81be9c4e578d6a128f16b0ee]
[ 22.369134] ? dcn21_validate_bandwidth+0x47/0x60 [amdgpu 1cdf4203d91ef0ad81be9c4e578d6a128f16b0ee]
[ 22.369360] ? dc_validate_global_state+0x310/0x3e0 [amdgpu 1cdf4203d91ef0ad81be9c4e578d6a128f16b0ee]
[ 22.369579] ? dma_resv_iter_first_unlocked+0x66/0x70
[ 22.369583] ? dma_resv_get_fences+0x61/0x220
[ 22.369586] ? wait_for_completion_timeout+0x13e/0x170
[ 22.369588] ? wait_for_completion_interruptible+0x139/0x1e0
[ 22.369591] commit_tail+0x94/0x130
[ 22.369595] drm_atomic_helper_commit+0x116/0x140
[ 22.369597] drm_atomic_commit+0x7b/0x100
[ 22.369599] ? drm_plane_get_damage_clips.cold+0x1c/0x1c
[ 22.369602] drm_client_modeset_commit_atomic+0x206/0x250
[ 22.369606] drm_client_modeset_commit_locked+0x5a/0x160
[ 22.369608] drm_client_modeset_commit+0x25/0x40
[ 22.369610] drm_fb_helper_set_par+0xa2/0xe0
[ 22.369613] drm_fb_helper_hotplug_event+0xa3/0xf0
[ 22.369615] drm_kms_helper_hotplug_event+0x2a/0x40
[ 22.369616] process_one_work+0x1c7/0x380
[ 22.369620] worker_thread+0x51/0x390
[ 22.369622] ? rescuer_thread+0x3b0/0x3b0
[ 22.369624] kthread+0xde/0x110
[ 22.369626] ? kthread_complete_and_exit+0x20/0x20
[ 22.369627] ret_from_fork+0x22/0x30
[ 22.369632]
[ 22.369633] —[ end trace 0000000000000000 ]—

Someone said:

Bug is fixed with patch in 6.1.5

Thanks for this information, but it didn´t fix the problem. It still remains.
I tried to install linux kernel 6.2-rc4, but it has the same error.
Updating the Lenovo T14s Gen1 bios to the latest version didn’t help too.
So the only way is to use Linux kernel 6.0.x

6.1.6:
[ 23.439213] [drm] Downstream port present 1, type 0
[ 23.570130] [drm] Downstream port present 1, type 0
[ 23.593029] [drm] DSC precompute is not needed.
[ 23.937231] ------------[ cut here ]------------
[ 23.937236] WARNING: CPU: 4 PID: 125 at drivers/gpu/drm/amd/amdgpu/…/display/dc/core/dc_link.c:3533 update_mst_stream_alloc_table+0x150/0x160 [amdgpu]
[ 23.937802] Modules linked in: snd_acp3x_pdm_dma snd_acp3x_rn snd_soc_dmic snd_sof_amd_rembrandt snd_sof_amd_renoir snd_sof_amd_acp snd_sof_pci snd_sof vfat intel_rapl_msr snd_sof_utils intel_rapl_common fat snd_ctl_led snd_soc_core snd_hda_codec_realtek snd_compress snd_hda_codec_generic amdgpu snd_hda_codec_hdmi ac97_bus think_lmi snd_usb_audio firmware_attributes_class wmi_bmof tps6598x snd_hda_intel snd_pcm_dmaengine iwlmvm snd_intel_dspcfg snd_pci_ps snd_intel_sdw_acpi uvcvideo snd_rpl_pci_acp6x ext4 edac_mce_amd snd_usbmidi_lib snd_acp_pci videobuf2_vmalloc mac80211 btusb gpu_sched snd_pci_acp6x snd_hda_codec mbcache btrtl kvm_amd libarc4 jbd2 btbcm videobuf2_memops snd_rawmidi snd_pci_acp5x snd_hda_core drm_buddy btintel videobuf2_v4l2 snd_hwdep kvm snd_seq_device btmtk r8169 thinkpad_acpi snd_rn_pci_acp3x drm_ttm_helper irqbypass iwlwifi sp5100_tco videobuf2_common ttm snd_pcm realtek snd_acp_config ledtrig_audio bluetooth ucsi_acpi rapl videodev snd_soc_acpi typec_ucsi
[ 23.937875] platform_profile psmouse pcspkr k10temp i2c_piix4 mdio_devres drm_display_helper ecdh_generic snd_timer snd_pci_acp3x crc16 cfg80211 mc ipmi_devintf typec libphy cec ipmi_msghandler snd rfkill roles soundcore video wmi joydev i2c_scmi serial_multi_instantiate mousedev acpi_cpufreq mac_hid uinput dm_multipath sg crypto_user fuse bpf_preload ip_tables x_tables btrfs blake2b_generic libcrc32c crc32c_generic xor raid6_pq mmc_block usbhid dm_crypt cbc encrypted_keys trusted asn1_encoder tee dm_mod crct10dif_pclmul crc32_pclmul serio_raw crc32c_intel atkbd polyval_clmulni rtsx_pci_sdmmc nvme libps2 polyval_generic mmc_core gf128mul vivaldi_fmap ghash_clmulni_intel sha512_ssse3 aesni_intel crypto_simd nvme_core xhci_pci i8042 cryptd ccp rtsx_pci xhci_pci_renesas nvme_common serio
[ 23.937945] CPU: 4 PID: 125 Comm: kworker/4:1 Not tainted 6.1.6-1-MANJARO #1 0ba5986cfe1508038b9da5302ee8cbab3d1cb7a4
[ 23.937950] Hardware name: LENOVO 20UH0036GE/20UH0036GE, BIOS R1CET73W(1.42 ) 12/09/2022
[ 23.937953] Workqueue: events_long drm_dp_mst_link_probe_work [drm_display_helper]
[ 23.937977] RIP: 0010:update_mst_stream_alloc_table+0x150/0x160 [amdgpu]
[ 23.938481] Code: 00 00 75 2d 48 81 c4 98 00 00 00 5b 5d 41 5c e9 da 83 73 f3 41 0f b7 40 04 4d 89 19 49 89 59 08 66 41 89 41 10 e9 71 ff ff ff <0f> 0b e9 fe fe ff ff e8 04 dd 36 f3 0f 1f 40 00 0f 1f 44 00 00 55
[ 23.938484] RSP: 0018:ffffb6af00597680 EFLAGS: 00010202
[ 23.938487] RAX: 0000000000000002 RBX: 0000000000000000 RCX: 0000000000000000
[ 23.938489] RDX: 0000000000000000 RSI: ffffb6af00597680 RDI: ffffb6af00597710
[ 23.938491] RBP: ffff98c7a8000aa0 R08: ffffb6af00597740 R09: ffffb6af00597488
[ 23.938493] R10: ffff98c7a8e34000 R11: ffff98c7874924e0 R12: 0000000000000002
[ 23.938494] R13: ffff98c7b3137800 R14: ffffffffc2a33600 R15: 0000000000000000
[ 23.938497] FS: 0000000000000000(0000) GS:ffff98ce6f900000(0000) knlGS:0000000000000000
[ 23.938500] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 23.938502] CR2: 00007efcb74a7000 CR3: 0000000689610000 CR4: 0000000000350ee0
[ 23.938506] Call Trace:
[ 23.938512]
[ 23.938521] dc_link_allocate_mst_payload+0x99/0x2a0 [amdgpu 368cf110a854c2c8075a35aaaa853c904e8433eb]
[ 23.939350] core_link_enable_stream+0x7d0/0x980 [amdgpu 368cf110a854c2c8075a35aaaa853c904e8433eb]
[ 23.939929] ? optc1_set_drr+0x13a/0x1e0 [amdgpu 368cf110a854c2c8075a35aaaa853c904e8433eb]
[ 23.940704] dce110_apply_ctx_to_hw+0x67b/0x720 [amdgpu 368cf110a854c2c8075a35aaaa853c904e8433eb]
[ 23.941216] dc_commit_state_no_check+0x38c/0xc90 [amdgpu 368cf110a854c2c8075a35aaaa853c904e8433eb]
[ 23.941820] dc_commit_state+0x96/0x110 [amdgpu 368cf110a854c2c8075a35aaaa853c904e8433eb]
[ 23.942416] amdgpu_dm_atomic_commit_tail+0x4a4/0x2ae0 [amdgpu 368cf110a854c2c8075a35aaaa853c904e8433eb]
[ 23.942926] ? dcn21_fast_validate_bw+0x3c2/0x490 [amdgpu 368cf110a854c2c8075a35aaaa853c904e8433eb]
[ 23.943440] ? dcn21_validate_bandwidth_fp+0x115/0x6e0 [amdgpu 368cf110a854c2c8075a35aaaa853c904e8433eb]
[ 23.944071] ? resource_build_scaling_params+0x908/0xeb0 [amdgpu 368cf110a854c2c8075a35aaaa853c904e8433eb]
[ 23.944907] ? dc_fpu_end+0x97/0xb0 [amdgpu 368cf110a854c2c8075a35aaaa853c904e8433eb]
[ 23.945440] ? dcn21_validate_bandwidth+0x47/0x60 [amdgpu 368cf110a854c2c8075a35aaaa853c904e8433eb]
[ 23.946024] ? dc_validate_global_state+0x310/0x3e0 [amdgpu 368cf110a854c2c8075a35aaaa853c904e8433eb]
[ 23.946876] ? dma_resv_iter_first_unlocked+0x66/0x70
[ 23.946885] ? dma_resv_get_fences+0x61/0x220
[ 23.946894] ? dm_plane_helper_prepare_fb+0x185/0x2a0 [amdgpu 368cf110a854c2c8075a35aaaa853c904e8433eb]
[ 23.947711] commit_tail+0x94/0x130
[ 23.947721] drm_atomic_helper_commit+0x116/0x140
[ 23.947728] drm_atomic_commit+0x7b/0x100
[ 23.947733] ? drm_plane_get_damage_clips.cold+0x1c/0x1c
[ 23.947740] drm_client_modeset_commit_atomic+0x206/0x250
[ 23.947750] drm_client_modeset_commit_locked+0x5a/0x160
[ 23.947756] ? drm_connector_list_iter_end+0x3c/0x60
[ 23.947762] drm_client_modeset_commit+0x25/0x40
[ 23.947767] drm_fb_helper_set_par+0xa2/0xe0
[ 23.947773] drm_fb_helper_hotplug_event+0xa3/0xf0
[ 23.947779] drm_kms_helper_hotplug_event+0x2a/0x40
[ 23.947784] process_one_work+0x1c7/0x380
[ 23.947792] worker_thread+0x51/0x390
[ 23.947798] ? rescuer_thread+0x3b0/0x3b0
[ 23.947803] kthread+0xde/0x110
[ 23.947808] ? kthread_complete_and_exit+0x20/0x20
[ 23.947813] ret_from_fork+0x22/0x30
[ 23.947824]
[ 23.947826] —[ end trace 0000000000000000 ]—
[ 24.416352] [drm] crtc[1] needs mode_changed

There is an issue at the gitlab freedesktop org bugtracker issue 2171.
Sadly I’m not allowed to post links :-/

I am experiencing a similar issue (along with my compositor issues i described on my other thread here). Of my three monitors, only two work with kernel 6.1, and i believe this is because two of them are connected using displayport MST.

Tried again today:

$ uname -a
Linux jonas-ThinkPad-T14s 6.1.7-1-MANJARO #1 SMP PREEMPT_DYNAMIC Wed Jan 18 22:33:03 UTC 2023 x86_64 GNU/Linux
$ lsb_release -a              
LSB Version:	n/a
Distributor ID:	ManjaroLinux
Description:	Manjaro Linux
Release:	22.0.1
Codename:	Sikaris

Still works without problems for 6.0.15. On 6.1.7-1, only one monitor at a time can be used, the other remains black.

Jan 31 17:50:24 jonas-ThinkPad-T14s kernel: amdgpu 0000:06:00.0: amdgpu: Fetched VBIOS from VFCT
Jan 31 17:50:24 jonas-ThinkPad-T14s kernel: amdgpu: ATOM BIOS: 113-RENOIR-036
Jan 31 17:50:24 jonas-ThinkPad-T14s kernel: [drm] VCN decode is enabled in VM mode
Jan 31 17:50:24 jonas-ThinkPad-T14s kernel: [drm] VCN encode is enabled in VM mode
Jan 31 17:50:24 jonas-ThinkPad-T14s kernel: [drm] JPEG decode is enabled in VM mode
Jan 31 17:50:24 jonas-ThinkPad-T14s kernel: amdgpu 0000:06:00.0: vgaarb: deactivate vga console
Jan 31 17:50:24 jonas-ThinkPad-T14s kernel: amdgpu 0000:06:00.0: amdgpu: Trusted Memory Zone (TMZ) feature enabled
Jan 31 17:50:24 jonas-ThinkPad-T14s kernel: amdgpu 0000:06:00.0: amdgpu: PCIE atomic ops is not supported
Jan 31 17:50:24 jonas-ThinkPad-T14s kernel: amdgpu 0000:06:00.0: amdgpu: MODE2 reset
Jan 31 17:50:24 jonas-ThinkPad-T14s kernel: [drm] vm size is 262144 GB, 4 levels, block size is 9-bit, fragment size is 9-bit
Jan 31 17:50:24 jonas-ThinkPad-T14s kernel: amdgpu 0000:06:00.0: amdgpu: VRAM: 512M 0x000000F400000000 - 0x000000F41FFFFFFF (512M used)
Jan 31 17:50:24 jonas-ThinkPad-T14s kernel: amdgpu 0000:06:00.0: amdgpu: GART: 1024M 0x0000000000000000 - 0x000000003FFFFFFF
Jan 31 17:50:24 jonas-ThinkPad-T14s kernel: amdgpu 0000:06:00.0: amdgpu: AGP: 267419648M 0x000000F800000000 - 0x0000FFFFFFFFFFFF
Jan 31 17:50:24 jonas-ThinkPad-T14s kernel: [drm] Detected VRAM RAM=512M, BAR=512M
Jan 31 17:50:24 jonas-ThinkPad-T14s kernel: [drm] RAM width 128bits DDR4
Jan 31 17:50:24 jonas-ThinkPad-T14s kernel: [drm] amdgpu: 512M of VRAM memory ready
Jan 31 17:50:24 jonas-ThinkPad-T14s kernel: [drm] amdgpu: 15659M of GTT memory ready.
Jan 31 17:50:24 jonas-ThinkPad-T14s kernel: [drm] GART: num cpu pages 262144, num gpu pages 262144
Jan 31 17:50:24 jonas-ThinkPad-T14s kernel: [drm] PCIE GART of 1024M enabled.
Jan 31 17:50:24 jonas-ThinkPad-T14s kernel: [drm] PTB located at 0x000000F41FC00000
Jan 31 17:50:24 jonas-ThinkPad-T14s kernel: amdgpu 0000:06:00.0: amdgpu: PSP runtime database doesn't exist
Jan 31 17:50:24 jonas-ThinkPad-T14s kernel: amdgpu 0000:06:00.0: amdgpu: PSP runtime database doesn't exist
Jan 31 17:50:24 jonas-ThinkPad-T14s kernel: [drm] Loading DMUB firmware via PSP: version=0x01010026
Jan 31 17:50:24 jonas-ThinkPad-T14s ModemManager[732]: <info>  [base-manager] couldn't check support for device '/sys/devices/pci0000:00/0000:00:02.2/0000:02:00.0': not supported by any >
Jan 31 17:50:24 jonas-ThinkPad-T14s ModemManager[732]: <info>  [base-manager] couldn't check support for device '/sys/devices/pci0000:00/0000:00:02.3/0000:03:00.0': not supported by any >
Jan 31 17:50:24 jonas-ThinkPad-T14s kernel: usbcore: registered new interface driver cdc_ether
Jan 31 17:50:24 jonas-ThinkPad-T14s kernel: [drm] Found VCN firmware Version ENC: 1.19 DEC: 5 VEP: 0 Revision: 0
Jan 31 17:50:24 jonas-ThinkPad-T14s kernel: amdgpu 0000:06:00.0: amdgpu: Will use PSP to load VCN firmware
Jan 31 17:50:25 jonas-ThinkPad-T14s kernel: amdgpu 0000:06:00.0: amdgpu: RAS: optional ras ta ucode is not available
Jan 31 17:50:25 jonas-ThinkPad-T14s kernel: amdgpu 0000:06:00.0: amdgpu: RAP: optional rap ta ucode is not available
Jan 31 17:50:25 jonas-ThinkPad-T14s kernel: [drm] psp gfx command LOAD_TA(0x1) failed and response status is (0x7)
Jan 31 17:50:25 jonas-ThinkPad-T14s kernel: [drm] psp gfx command INVOKE_CMD(0x3) failed and response status is (0x4)
Jan 31 17:50:25 jonas-ThinkPad-T14s kernel: amdgpu 0000:06:00.0: amdgpu: Secure display: Generic Failure.
Jan 31 17:50:25 jonas-ThinkPad-T14s kernel: amdgpu 0000:06:00.0: amdgpu: SECUREDISPLAY: query securedisplay TA failed. ret 0x0
Jan 31 17:50:25 jonas-ThinkPad-T14s kernel: amdgpu 0000:06:00.0: amdgpu: SMU is initialized successfully!
Jan 31 17:50:25 jonas-ThinkPad-T14s kernel: [drm] DP Alt mode state on HPD: 1
Jan 31 17:50:25 jonas-ThinkPad-T14s systemd[1]: Received SIGRTMIN+21 from PID 270 (plymouthd).
Jan 31 17:50:25 jonas-ThinkPad-T14s kernel: [drm] DM_MST: Differing MST start on aconnector: 000000000b9028f1 [id: 89]
Jan 31 17:50:25 jonas-ThinkPad-T14s kernel: [drm] kiq ring mec 2 pipe 1 q 0
Jan 31 17:50:25 jonas-ThinkPad-T14s kernel: [drm] VCN decode and encode initialized successfully(under DPG Mode).
Jan 31 17:50:25 jonas-ThinkPad-T14s kernel: [drm] JPEG decode initialized successfully.
Jan 31 17:50:25 jonas-ThinkPad-T14s kernel: kfd kfd: amdgpu: Allocated 3969056 bytes on gart
Jan 31 17:50:25 jonas-ThinkPad-T14s kernel: amdgpu: sdma_bitmap: 3
Jan 31 17:50:25 jonas-ThinkPad-T14s kernel: memmap_init_zone_device initialised 131072 pages in 0ms
Jan 31 17:50:25 jonas-ThinkPad-T14s kernel: amdgpu: HMM registered 512MB device memory
Jan 31 17:50:25 jonas-ThinkPad-T14s kernel: amdgpu: SRAT table not found
Jan 31 17:50:25 jonas-ThinkPad-T14s kernel: amdgpu: Virtual CRAT table created for GPU
Jan 31 17:50:25 jonas-ThinkPad-T14s kernel: amdgpu: Topology: Add dGPU node [0x1636:0x1002]
Jan 31 17:50:25 jonas-ThinkPad-T14s kernel: kfd kfd: amdgpu: added device 1002:1636
Jan 31 17:50:25 jonas-ThinkPad-T14s kernel: amdgpu 0000:06:00.0: amdgpu: SE 1, SH per SE 1, CU per SH 8, active_cu_number 7
Jan 31 17:50:25 jonas-ThinkPad-T14s kernel: amdgpu 0000:06:00.0: amdgpu: ring gfx uses VM inv eng 0 on hub 0
Jan 31 17:50:25 jonas-ThinkPad-T14s kernel: amdgpu 0000:06:00.0: amdgpu: ring comp_1.0.0 uses VM inv eng 1 on hub 0
Jan 31 17:50:25 jonas-ThinkPad-T14s kernel: amdgpu 0000:06:00.0: amdgpu: ring comp_1.1.0 uses VM inv eng 4 on hub 0
Jan 31 17:50:25 jonas-ThinkPad-T14s kernel: amdgpu 0000:06:00.0: amdgpu: ring comp_1.2.0 uses VM inv eng 5 on hub 0
Jan 31 17:50:25 jonas-ThinkPad-T14s kernel: amdgpu 0000:06:00.0: amdgpu: ring comp_1.3.0 uses VM inv eng 6 on hub 0
Jan 31 17:50:25 jonas-ThinkPad-T14s kernel: amdgpu 0000:06:00.0: amdgpu: ring comp_1.0.1 uses VM inv eng 7 on hub 0
Jan 31 17:50:25 jonas-ThinkPad-T14s kernel: amdgpu 0000:06:00.0: amdgpu: ring comp_1.1.1 uses VM inv eng 8 on hub 0
Jan 31 17:50:25 jonas-ThinkPad-T14s kernel: amdgpu 0000:06:00.0: amdgpu: ring comp_1.2.1 uses VM inv eng 9 on hub 0
Jan 31 17:50:25 jonas-ThinkPad-T14s kernel: amdgpu 0000:06:00.0: amdgpu: ring comp_1.3.1 uses VM inv eng 10 on hub 0
Jan 31 17:50:25 jonas-ThinkPad-T14s kernel: amdgpu 0000:06:00.0: amdgpu: ring kiq_2.1.0 uses VM inv eng 11 on hub 0
Jan 31 17:50:25 jonas-ThinkPad-T14s kernel: amdgpu 0000:06:00.0: amdgpu: ring sdma0 uses VM inv eng 0 on hub 1
Jan 31 17:50:25 jonas-ThinkPad-T14s kernel: amdgpu 0000:06:00.0: amdgpu: ring vcn_dec uses VM inv eng 1 on hub 1
Jan 31 17:50:25 jonas-ThinkPad-T14s kernel: amdgpu 0000:06:00.0: amdgpu: ring vcn_enc0 uses VM inv eng 4 on hub 1
Jan 31 17:50:25 jonas-ThinkPad-T14s kernel: amdgpu 0000:06:00.0: amdgpu: ring vcn_enc1 uses VM inv eng 5 on hub 1
Jan 31 17:50:25 jonas-ThinkPad-T14s kernel: amdgpu 0000:06:00.0: amdgpu: ring jpeg_dec uses VM inv eng 6 on hub 1
Jan 31 17:50:25 jonas-ThinkPad-T14s kernel: [drm] Initialized amdgpu 3.49.0 20150101 for 0000:06:00.0 on minor 0
Jan 31 17:50:25 jonas-ThinkPad-T14s kernel: fbcon: amdgpudrmfb (fb0) is primary device
Jan 31 17:50:25 jonas-ThinkPad-T14s kernel: fbcon: Deferring console take-over
Jan 31 17:50:25 jonas-ThinkPad-T14s kernel: amdgpu 0000:06:00.0: [drm] fb0: amdgpudrmfb frame buffer device
Jan 31 17:50:25 jonas-ThinkPad-T14s dbus-daemon[705]: [system] Activating via systemd: service name='org.freedesktop.Accounts' unit='accounts-daemon.service' requested by ':1.9' (uid=0 p>
Jan 31 17:50:25 jonas-ThinkPad-T14s systemd[1]: Starting Load/Save Screen Backlight Brightness of backlight:amdgpu_bl0...
Jan 31 17:50:25 jonas-ThinkPad-T14s systemd[1]: Reached target User and Group Name Lookups.
Jan 31 17:50:25 jonas-ThinkPad-T14s audit: BPF prog-id=40 op=LOAD
Jan 31 17:50:25 jonas-ThinkPad-T14s systemd[1]: Starting Accounts Service...
Jan 31 17:50:25 jonas-ThinkPad-T14s kernel: kauditd_printk_skb: 98 callbacks suppressed
Jan 31 17:50:25 jonas-ThinkPad-T14s kernel: audit: type=1334 audit(1675183825.801:110): prog-id=40 op=LOAD
Jan 31 17:50:25 jonas-ThinkPad-T14s kernel: [drm] Downstream port present 1, type 0
Jan 31 17:50:25 jonas-ThinkPad-T14s systemd[1]: Finished Load/Save Screen Backlight Brightness of backlight:amdgpu_bl0.
Jan 31 17:50:25 jonas-ThinkPad-T14s audit[1]: SERVICE_START pid=1 uid=0 auid=4294967295 ses=4294967295 subj=unconfined msg='unit=systemd-backlight@backlight:amdgpu_bl0 comm="systemd" exe>

Jan 31 17:50:26 jonas-ThinkPad-T14s kernel: WARNING: CPU: 9 PID: 138 at drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link.c:3533 update_mst_stream_alloc_table+0x150/0x160 [amdgpu]
Jan 31 17:50:26 jonas-ThinkPad-T14s kernel: Modules linked in: cmac algif_hash algif_skcipher af_alg r8152 cdc_mbim cdc_wdm cdc_ncm cdc_ether usbnet mii amdgpu snd_soc_dmic snd_acp3x_pdm>
Jan 31 17:50:26 jonas-ThinkPad-T14s kernel:  platform_profile ucsi_acpi mdio_devres kvm cfg80211 typec_ucsi videobuf2_common sp5100_tco irqbypass videodev ipmi_devintf rapl psmouse pcspk>
Jan 31 17:50:26 jonas-ThinkPad-T14s kernel:  xhci_pci cryptd ccp i8042 rtsx_pci nvme_common xhci_pci_renesas serio
Jan 31 17:50:26 jonas-ThinkPad-T14s kernel: CPU: 9 PID: 138 Comm: kworker/9:1 Not tainted 6.1.7-1-MANJARO #1 88ce1612e606b66e78cccd5914f5203e388281e8
Jan 31 17:50:26 jonas-ThinkPad-T14s kernel: Hardware name: LENOVO 20UH0036GE/20UH0036GE, BIOS R1CET72W(1.41 ) 06/27/2022
Jan 31 17:50:26 jonas-ThinkPad-T14s kernel: Workqueue: events_long drm_dp_mst_link_probe_work [drm_display_helper]
Jan 31 17:50:26 jonas-ThinkPad-T14s kernel: RIP: 0010:update_mst_stream_alloc_table+0x150/0x160 [amdgpu]
Jan 31 17:50:26 jonas-ThinkPad-T14s kernel: Code: 00 00 75 2d 48 81 c4 98 00 00 00 5b 5d 41 5c e9 ca 02 33 c8 41 0f b7 40 04 4d 89 19 49 89 59 08 66 41 89 41 10 e9 71 ff ff ff <0f> 0b e9>
Jan 31 17:50:26 jonas-ThinkPad-T14s kernel: RSP: 0018:ffffb0414068b680 EFLAGS: 00010202
Jan 31 17:50:26 jonas-ThinkPad-T14s kernel: RAX: 0000000000000002 RBX: 0000000000000000 RCX: 0000000000000000
Jan 31 17:50:26 jonas-ThinkPad-T14s kernel: RDX: 0000000000000000 RSI: ffffb0414068b680 RDI: ffffb0414068b710
Jan 31 17:50:26 jonas-ThinkPad-T14s kernel: RBP: ffff8e95b3a40aa0 R08: ffffb0414068b740 R09: ffffb0414068b488
Jan 31 17:50:26 jonas-ThinkPad-T14s kernel: R10: ffff8e9580fea000 R11: ffff8e95877a4360 R12: 0000000000000002
Jan 31 17:50:26 jonas-ThinkPad-T14s kernel: R13: ffff8e958b5eb000 R14: ffffffffc1c3b8e0 R15: 0000000000000000
Jan 31 17:50:26 jonas-ThinkPad-T14s kernel: FS:  0000000000000000(0000) GS:ffff8e9c6fa40000(0000) knlGS:0000000000000000
Jan 31 17:50:26 jonas-ThinkPad-T14s kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Jan 31 17:50:26 jonas-ThinkPad-T14s kernel: CR2: 000055a9bf6836c1 CR3: 00000007d6410000 CR4: 0000000000350ee0
Jan 31 17:50:26 jonas-ThinkPad-T14s kernel: Call Trace:
Jan 31 17:50:26 jonas-ThinkPad-T14s kernel:  <TASK>
Jan 31 17:50:26 jonas-ThinkPad-T14s kernel:  dc_link_allocate_mst_payload+0x99/0x2a0 [amdgpu f7f636bfc48adde48ea6db886ba2fd483929f890]
Jan 31 17:50:26 jonas-ThinkPad-T14s kernel:  core_link_enable_stream+0x7d0/0x980 [amdgpu f7f636bfc48adde48ea6db886ba2fd483929f890]
Jan 31 17:50:26 jonas-ThinkPad-T14s kernel:  ? optc1_set_drr+0x13a/0x1e0 [amdgpu f7f636bfc48adde48ea6db886ba2fd483929f890]
Jan 31 17:50:26 jonas-ThinkPad-T14s kernel:  dce110_apply_ctx_to_hw+0x67b/0x720 [amdgpu f7f636bfc48adde48ea6db886ba2fd483929f890]
Jan 31 17:50:26 jonas-ThinkPad-T14s kernel:  dc_commit_state_no_check+0x38c/0xc90 [amdgpu f7f636bfc48adde48ea6db886ba2fd483929f890]
Jan 31 17:50:26 jonas-ThinkPad-T14s kernel:  dc_commit_state+0x96/0x110 [amdgpu f7f636bfc48adde48ea6db886ba2fd483929f890]
Jan 31 17:50:26 jonas-ThinkPad-T14s kernel:  amdgpu_dm_atomic_commit_tail+0x4a4/0x2ae0 [amdgpu f7f636bfc48adde48ea6db886ba2fd483929f890]
Jan 31 17:50:26 jonas-ThinkPad-T14s kernel:  ? dcn21_fast_validate_bw+0x3c2/0x490 [amdgpu f7f636bfc48adde48ea6db886ba2fd483929f890]
Jan 31 17:50:26 jonas-ThinkPad-T14s kernel:  ? dcn21_validate_bandwidth_fp+0x115/0x6e0 [amdgpu f7f636bfc48adde48ea6db886ba2fd483929f890]
Jan 31 17:50:26 jonas-ThinkPad-T14s kernel:  ? dc_fpu_end+0x97/0xb0 [amdgpu f7f636bfc48adde48ea6db886ba2fd483929f890]
Jan 31 17:50:26 jonas-ThinkPad-T14s kernel:  ? dcn21_validate_bandwidth+0x47/0x60 [amdgpu f7f636bfc48adde48ea6db886ba2fd483929f890]
Jan 31 17:50:26 jonas-ThinkPad-T14s kernel:  ? dc_validate_global_state+0x310/0x3e0 [amdgpu f7f636bfc48adde48ea6db886ba2fd483929f890]
Jan 31 17:50:26 jonas-ThinkPad-T14s kernel:  ? dma_resv_iter_first_unlocked+0x66/0x70
Jan 31 17:50:26 jonas-ThinkPad-T14s kernel:  ? dma_resv_get_fences+0x61/0x220
Jan 31 17:50:26 jonas-ThinkPad-T14s kernel:  ? dm_plane_helper_prepare_fb+0x185/0x2a0 [amdgpu f7f636bfc48adde48ea6db886ba2fd483929f890]
Jan 31 17:50:26 jonas-ThinkPad-T14s kernel:  commit_tail+0x94/0x130
Jan 31 17:50:26 jonas-ThinkPad-T14s kernel:  drm_atomic_helper_commit+0x116/0x140
Jan 31 17:50:26 jonas-ThinkPad-T14s kernel:  drm_atomic_commit+0x7b/0x100
Jan 31 17:50:26 jonas-ThinkPad-T14s kernel:  ? drm_plane_get_damage_clips.cold+0x1c/0x1c
Jan 31 17:50:26 jonas-ThinkPad-T14s kernel:  drm_client_modeset_commit_atomic+0x206/0x250
Jan 31 17:50:26 jonas-ThinkPad-T14s kernel:  drm_client_modeset_commit_locked+0x5a/0x160
Jan 31 17:50:26 jonas-ThinkPad-T14s kernel:  ? drm_connector_list_iter_end+0x3c/0x60
Jan 31 17:50:26 jonas-ThinkPad-T14s kernel:  drm_client_modeset_commit+0x25/0x40
Jan 31 17:50:26 jonas-ThinkPad-T14s kernel:  drm_fb_helper_set_par+0xa2/0xe0
Jan 31 17:50:26 jonas-ThinkPad-T14s kernel:  drm_fb_helper_hotplug_event+0xa3/0xf0
Jan 31 17:50:26 jonas-ThinkPad-T14s kernel:  drm_kms_helper_hotplug_event+0x2a/0x40
Jan 31 17:50:26 jonas-ThinkPad-T14s kernel:  process_one_work+0x1c7/0x380
Jan 31 17:50:26 jonas-ThinkPad-T14s kernel:  worker_thread+0x51/0x390
Jan 31 17:50:26 jonas-ThinkPad-T14s kernel:  ? rescuer_thread+0x3b0/0x3b0
Jan 31 17:50:26 jonas-ThinkPad-T14s kernel:  kthread+0xde/0x110
Jan 31 17:50:26 jonas-ThinkPad-T14s kernel:  ? kthread_complete_and_exit+0x20/0x20
Jan 31 17:50:26 jonas-ThinkPad-T14s kernel:  ret_from_fork+0x22/0x30
Jan 31 17:50:26 jonas-ThinkPad-T14s kernel:  </TASK>
Jan 31 17:50:26 jonas-ThinkPad-T14s kernel: ---[ end trace 0000000000000000 ]---
Jan 31 17:50:27 jonas-ThinkPad-T14s gnome-shell[993]: Added device '/dev/dri/card0' (amdgpu) using atomic mode setting.
Jan 31 17:50:27 jonas-ThinkPad-T14s gnome-shell[993]: unable to open file '/etc/dconf/db/site': Datei »/etc/dconf/db/site« konnte nicht geöffnet werden: open() ist gescheitert: Datei ode>
Jan 31 17:50:27 jonas-ThinkPad-T14s gnome-shell[993]: unable to open file '/etc/dconf/db/distro': Datei »/etc/dconf/db/distro« konnte nicht geöffnet werden: open() ist gescheitert: Datei>
Jan 31 17:50:27 jonas-ThinkPad-T14s gnome-shell[993]: Created gbm renderer for '/dev/dri/card0'
Jan 31 17:50:27 jonas-ThinkPad-T14s gnome-shell[993]: Boot VGA GPU /dev/dri/card0 selected as primary
Jan 31 17:53:16 jonas-ThinkPad-T14s gnome-shell[1649]: Failed to connect to colord device xrandr-Acer Technologies-XF270HU-T78EE0048521: Failed to connect to missing device /org/freedesk>
Jan 31 17:53:43 jonas-ThinkPad-T14s gnome-shell[1649]: Failed to connect to colord device xrandr-Acer Technologies-XF270HU-T78EE0048521: Failed to connect to missing device /org/freedesk>
Jan 31 17:53:44 jonas-ThinkPad-T14s gnome-shell[1649]: Invalid sequence for VSYNC frame info
Jan 31 17:54:03 jonas-ThinkPad-T14s gnome-shell[1649]: meta_monitor_manager_get_logical_monitor_from_number: assertion '(unsigned int) number < g_list_length (manager->logical_monitors)'>
Jan 31 17:54:03 jonas-ThinkPad-T14s gnome-shell[1649]: meta_workspace_get_work_area_for_monitor: assertion 'logical_monitor != NULL' failed
Jan 31 17:54:03 jonas-ThinkPad-T14s gnome-shell[1649]: Failed to connect to colord device xrandr-Acer Technologies-XF270HU-T78EE0048521: Failed to connect to missing device /org/freedesk>
Jan 31 17:54:21 jonas-ThinkPad-T14s gnome-shell[1649]: Failed to connect to colord device xrandr-Acer Technologies-XF270HU-T78EE0048521: Failed to connect to missing device /org/freedesk>
Jan 31 17:54:55 jonas-ThinkPad-T14s gnome-shell[1649]: Failed to connect to colord device xrandr-Acer Technologies-XF270HU-T78EE0048521: Failed to connect to missing device /org/freedesk>
Jan 31 17:55:31 jonas-ThinkPad-T14s gnome-shell[1649]: Failed to connect to colord device xrandr-Acer Technologies-XF270HU-T78EE0048521: Failed to connect to missing device /org/freedesk>

I have the same issues on all T4XX Notebooks with Kernel 6.0 AND 6.1. Under Kernel 5.15 all three monitors work.

Same here with T14 Gen 1 AMD

Sometimes it works, sometimes not.

It never works when
booted → standby → wake up

Maybe there is a solution in prospect?