https://bugzilla.kernel.org/show_bug.cgi?id=217674 Bagas Sanjaya (bagasdotme@xxxxxxxxx) changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |bagasdotme@xxxxxxxxx --- Comment #3 from Bagas Sanjaya (bagasdotme@xxxxxxxxx) --- (In reply to Andew Marshall from comment #0) > Created attachment 304641 [details] > lspci -v output > > Summary > ------- > > When using a thunderbolt dock with 2x DisplayPort connectors, the displayys > are not recognized when connected with DP->HDMI cables. Connecting over > DP->DP cables work as expected. > > Expected Behaviour > ------------------ > > Displays connected to the dock via DP->HDMI cables should be recognized. > > Actual Behaviour > ---------------- > > Displays connected to the dock via DP->HDMI cables are not recognized. The > following messages are reported in `dmesg` > > ``` > [68022.156971] thunderbolt 0-2: new device found, vendor=0x6f device=0x12 > [68022.156977] thunderbolt 0-2: StarTech.com TB3CDK2DP > ...various USB connection messages... > [68139.834086] [drm] DMUB HPD callback: link_index=2 > [68139.834859] [drm] DPIA AUX failed on 0x0(1), error 3 > [68139.836167] [drm] DPIA AUX failed on 0x0(1), error 3 > (etc) > ``` > USB ports and network connection functions as expected. > > > Steps to Reproduce > ------------------ > > Laptop used is Asus G14 (2023) model GA402NV > Dock is Startech TB3CDK2DP > Reproduced on Linux Kernel 6.4.3 from stable repo > > 1. Connect laptop to dock over USB-C > 2. Connect an external display with DP->HDMI cable > 3. Open appropriate display settings to see if external display is > recognized. Do you have this issue on v6.1 stable series? -- You may reply to this email to add a comment. You are receiving this mail because: You are watching the assignee of the bug.