** Description changed: [Impact] On Dell platforms using either Linux 6.11.0-1021-oem or 6.14.0-1005-oem, we observed call traces when unplugging a HDMI/DP/VGA cable from an external monitor. [Fix] ============= Noble OEM 6.14 ================================================ Apply the following patch from the mailing list [email protected] fixes the issue: - [PATCH 06/18] drm/amd/display: limit clear_update_flags to dcn32 and above While the patch is still under review, an SRU is required out of urgency. Link: https://lore.kernel.org/amd- gfx/[email protected]/ ============== Plucky and Questing ========================================== - Cherry-pick the following patch from the mainline: + 1. Cherry-pick the following patch from the mainline: f354556e29f4 drm/amd/display: limit clear_update_flags to dcn32 and above Here is the reference for the full patchset: Link: https://lore.kernel.org/amd- gfx/[email protected]/ + 2. Cherry-pick the other patch, which fixes the patch above: + + 2d418e4fd9f1 drm/amd/display: Allow DCN301 to clear update flags + + [Test Plan] 1. Boot into an Ubuntu OS 2. Connect a HDMI/DP/VGA cable into an external monitor 3. Check whether a call trace appears [Where problems could occur] This patch changes the behavior of AMD GPUs with DCN version lower than 3.2. It might cause regression on these GPUs.
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-oem-6.14 in Ubuntu. https://bugs.launchpad.net/bugs/2116908 Title: [AMDGPU] Call trace occurs when unplugging a HDMI/DP/VGA cable on Dell platforms Status in HWE Next: New Status in linux package in Ubuntu: In Progress Status in linux-oem-6.14 package in Ubuntu: Invalid Status in The Noble Numbat: Invalid Status in linux source package in Noble: Won't Fix Status in linux-oem-6.14 source package in Noble: Fix Released Status in The Plucky Puffin: New Status in linux source package in Plucky: In Progress Status in linux-oem-6.14 source package in Plucky: Invalid Status in The Questing Quokka: New Status in linux source package in Questing: In Progress Status in linux-oem-6.14 source package in Questing: Invalid Bug description: [Impact] On Dell platforms using either Linux 6.11.0-1021-oem or 6.14.0-1005-oem, we observed call traces when unplugging a HDMI/DP/VGA cable from an external monitor. [Fix] ============= Noble OEM 6.14 ================================================ Apply the following patch from the mailing list [email protected] fixes the issue: - [PATCH 06/18] drm/amd/display: limit clear_update_flags to dcn32 and above While the patch is still under review, an SRU is required out of urgency. Link: https://lore.kernel.org/amd- gfx/[email protected]/ ============== Plucky and Questing ========================================== 1. Cherry-pick the following patch from the mainline: f354556e29f4 drm/amd/display: limit clear_update_flags to dcn32 and above Here is the reference for the full patchset: Link: https://lore.kernel.org/amd- gfx/[email protected]/ 2. Cherry-pick the other patch, which fixes the patch above: 2d418e4fd9f1 drm/amd/display: Allow DCN301 to clear update flags [Test Plan] 1. Boot into an Ubuntu OS 2. Connect a HDMI/DP/VGA cable into an external monitor 3. Check whether a call trace appears [Where problems could occur] This patch changes the behavior of AMD GPUs with DCN version lower than 3.2. It might cause regression on these GPUs. To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/2116908/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
