Public bug reported: [Impact] When the machine is docked with an external monitor, it is able to output display, but the HDMI/DP audio output option is lost in DGFF Hybrid Discrete/Discrete mode(Nvidia GPU).
[Fix] Nvidia provides a patch to fix it https://patchwork.kernel.org/project/alsa-devel/patch/20230517090736.15088-1-nmah...@nvidia.com/ [Test] Verified on the target machine. {Where problems could occur] The patch just adds IDs, and won't lead to any regression. ** Affects: hwe-next Importance: Undecided Status: New ** Affects: linux (Ubuntu) Importance: Undecided Assignee: AceLan Kao (acelankao) Status: In Progress ** Affects: linux-oem-6.0 (Ubuntu) Importance: Undecided Status: Invalid ** Affects: linux-oem-6.1 (Ubuntu) Importance: Undecided Status: Invalid ** Affects: linux (Ubuntu Jammy) Importance: Undecided Assignee: AceLan Kao (acelankao) Status: In Progress ** Affects: linux-oem-6.0 (Ubuntu Jammy) Importance: Undecided Assignee: AceLan Kao (acelankao) Status: In Progress ** Affects: linux-oem-6.1 (Ubuntu Jammy) Importance: Undecided Assignee: AceLan Kao (acelankao) Status: In Progress ** Affects: linux (Ubuntu Lunar) Importance: Undecided Assignee: AceLan Kao (acelankao) Status: In Progress ** Affects: linux-oem-6.0 (Ubuntu Lunar) Importance: Undecided Status: Invalid ** Affects: linux-oem-6.1 (Ubuntu Lunar) Importance: Undecided Status: Invalid ** Affects: linux (Ubuntu Mantic) Importance: Undecided Assignee: AceLan Kao (acelankao) Status: In Progress ** Affects: linux-oem-6.0 (Ubuntu Mantic) Importance: Undecided Status: Invalid ** Affects: linux-oem-6.1 (Ubuntu Mantic) Importance: Undecided Status: Invalid ** Tags: oem-priority originate-from-2018485 somerville ** Also affects: linux (Ubuntu Jammy) Importance: Undecided Status: New ** Also affects: linux (Ubuntu Mantic) Importance: Undecided Status: New ** Also affects: linux (Ubuntu Lunar) Importance: Undecided Status: New ** Also affects: linux-oem-6.0 (Ubuntu) Importance: Undecided Status: New ** Also affects: linux-oem-6.1 (Ubuntu) Importance: Undecided Status: New ** Changed in: linux (Ubuntu Jammy) Status: New => In Progress ** Changed in: linux (Ubuntu Jammy) Assignee: (unassigned) => AceLan Kao (acelankao) ** Changed in: linux (Ubuntu Lunar) Status: New => In Progress ** Changed in: linux (Ubuntu Lunar) Assignee: (unassigned) => AceLan Kao (acelankao) ** Changed in: linux (Ubuntu Mantic) Status: New => In Progress ** Changed in: linux (Ubuntu Mantic) Assignee: (unassigned) => AceLan Kao (acelankao) ** Changed in: linux-oem-6.0 (Ubuntu Jammy) Status: New => In Progress ** Changed in: linux-oem-6.0 (Ubuntu Jammy) Assignee: (unassigned) => AceLan Kao (acelankao) ** Changed in: linux-oem-6.1 (Ubuntu Jammy) Status: New => In Progress ** Changed in: linux-oem-6.1 (Ubuntu Jammy) Assignee: (unassigned) => AceLan Kao (acelankao) ** Changed in: linux-oem-6.0 (Ubuntu Lunar) Status: New => Invalid ** Changed in: linux-oem-6.0 (Ubuntu Mantic) Status: New => Invalid ** Changed in: linux-oem-6.1 (Ubuntu Lunar) Status: New => Invalid ** Changed in: linux-oem-6.1 (Ubuntu Mantic) Status: New => Invalid ** Description changed: [Impact] + When the machine is docked with an external monitor, it is able to output display, but the HDMI/DP audio output option is lost in DGFF Hybrid Discrete/Discrete mode(Nvidia GPU). [Fix] + Nvidia provides a patch to fix it + https://patchwork.kernel.org/project/alsa-devel/patch/20230517090736.15088-1-nmah...@nvidia.com/ [Test] + Verified on the target machine. {Where problems could occur] + The patch just adds IDs, and won't lead to any regression. ** Tags added: oem-priority originate-from-2018485 somerville -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/2020062 Title: No HDMI/DP audio output on dock(Nvidia GPU) Status in HWE Next: New Status in linux package in Ubuntu: In Progress Status in linux-oem-6.0 package in Ubuntu: Invalid Status in linux-oem-6.1 package in Ubuntu: Invalid Status in linux source package in Jammy: In Progress Status in linux-oem-6.0 source package in Jammy: In Progress Status in linux-oem-6.1 source package in Jammy: In Progress Status in linux source package in Lunar: In Progress Status in linux-oem-6.0 source package in Lunar: Invalid Status in linux-oem-6.1 source package in Lunar: Invalid Status in linux source package in Mantic: In Progress Status in linux-oem-6.0 source package in Mantic: Invalid Status in linux-oem-6.1 source package in Mantic: Invalid Bug description: [Impact] When the machine is docked with an external monitor, it is able to output display, but the HDMI/DP audio output option is lost in DGFF Hybrid Discrete/Discrete mode(Nvidia GPU). [Fix] Nvidia provides a patch to fix it https://patchwork.kernel.org/project/alsa-devel/patch/20230517090736.15088-1-nmah...@nvidia.com/ [Test] Verified on the target machine. {Where problems could occur] The patch just adds IDs, and won't lead to any regression. To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/2020062/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
