[RESPONDED] AMD Mainboard: Caldigit TS4 dock monitors not identified

[Daniel_Power]

@Matt_Hartley I understand Framework Support is somewhat limited when it comes to supporting third party docks. But given that this issue seems to occur across many USB4 docks, and is affecting several users, is there anything Framework Support can do to escalate the issue upstream with AMD?

The issue is also affecting the Framework 16:

Fedora 40 USB hub with external monitor, 640x480 with no options

What can I do to help? I have a CalDigit TS4 dock and I have the issue where one external monitor is detected fine (get the max 1440p @ 165 Hz) but the other monitor (1080p @ 75 Hz) only detects as Unknown and no other options but 640x480. I am using Fedora 40 as well. In Windows, everything works fine as expected, so clearly a software/driver-based issue. Can someone explain to me how to get the logs needed. I guess I would put in an issue in the GitLab link you provided? What project is …

Users have also reported this issue in the Dock Compatibility megathread

• USB-C/Thunderbolt Dock Megathread - #358 by Grigory_Malkov
• USB-C/Thunderbolt Dock Megathread - #408 by bnjns
• USB-C/Thunderbolt Dock Megathread - #473 by Techie_Zeddie

Every response on the amd drm bug report seems to have been from a Framework user. So I do wonder if there’s a BIOS bug here that causes this to occur on Frameworks but not other laptops with Ryzen 7000. But I can only speculate.

Edit: I just verified the issue is also present on the Thinkpad T14s with Ryzen 7840u. So I no longer think there’s anything Framework specific about this issue.