update on 6.4 kernel when using the same machine on a caldigit TS3+ dock with 2 daisy chained DP monitors:
the monitors are not detected at all- using kernel 6.3 the displays are detected an can be used with the workaround described in this topic (switching on/off multiple times in gnome display settings): Problems with 2 Displays connected via DisplayPort DaisyChain / MST on Kernel 6.1
# boltctl
● CalDigit, Inc. TS3 Plus
├─ type: peripheral
├─ name: TS3 Plus
├─ vendor: CalDigit, Inc.
├─ uuid: cc030000-00b0-a508-a349-231808814122
├─ generation: Thunderbolt 3
├─ status: authorized
│ ├─ domain: ee263804-a005-379a-ffff-ffffffffffff
│ ├─ rx speed: 40 Gb/s = 2 lanes * 20 Gb/s
│ ├─ tx speed: 40 Gb/s = 2 lanes * 20 Gb/s
│ └─ authflags: boot
├─ authorized: Fr 04 Aug 2023 08:04:59 UTC
├─ connected: Fr 04 Aug 2023 08:04:59 UTC
└─ stored: Mi 28 Dez 2022 02:36:08 UTC
├─ policy: iommu
└─ key: no