Public bug reported: [Impact] The 4k monitor on the dock is blank when connected to the device.
[Fix] Intel provides a patch to fix this issue which disable PSR for the monitors on MST https://patchwork.freedesktop.org/patch/686338/ [Test] 1. Boot to OS, connect dell dock 2. Connect 4k monitor to dock, it should always work. [Where problems could occur] It disables the PSR for the monitors connected on MST, it may consume more power. ** Affects: hwe-next Importance: Undecided Status: New ** Affects: linux-oem-6.14 (Ubuntu) Importance: Undecided Status: New ** Affects: linux-oem-6.17 (Ubuntu) Importance: Undecided Status: New ** Affects: linux-oem-6.14 (Ubuntu Noble) Importance: Undecided Assignee: AceLan Kao (acelankao) Status: In Progress ** Affects: linux-oem-6.17 (Ubuntu Noble) Importance: Undecided Assignee: AceLan Kao (acelankao) Status: In Progress ** Tags: cpl jira-cpl-207 oem-priority ** Also affects: linux-oem-6.14 (Ubuntu Noble) Importance: Undecided Status: New ** Also affects: linux-oem-6.17 (Ubuntu) Importance: Undecided Status: New ** Changed in: linux-oem-6.14 (Ubuntu Noble) Status: New => In Progress ** Changed in: linux-oem-6.17 (Ubuntu Noble) Status: New => In Progress ** Changed in: linux-oem-6.17 (Ubuntu Noble) Assignee: (unassigned) => AceLan Kao (acelankao) ** Changed in: linux-oem-6.14 (Ubuntu Noble) Assignee: (unassigned) => AceLan Kao (acelankao) ** Tags added: cpl jira-cpl-207 oem-priority -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2131066 Title: No output on external monitor when connecting to dell dock To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/2131066/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
