Public bug reported: [Impact] On Intel LNL, after screen is inverted by "gnome-randr modify eDP-1 --rotate inverted" Move cursor, the screen will get flicker, with the error in dmesg: xe 0000:00:02.0: [drm] ERROR Fault errors on pipe A: 0x00040080
[Fix] Intel provided a patch to fix it. https://patchwork.freedesktop.org/patch/627668/?series=136033&rev=4 https://gitlab.freedesktop.org/drm/xe/kernel/-/issues/3992 [Test] Tested on Intel LNL and MTL, screens are normal on all rotate mode, and suspend/resume for 100 times on both LNL and MTL with positive results. [Where problems could occur] It may break i915 and xe driver. Plucky should get this fix on 6.14. SRU for oem-6.11 only which supports LNL. ** Affects: hwe-next Importance: Medium Assignee: AaronMa (mapengyu) Status: In Progress ** Affects: linux-oem-6.11 (Ubuntu) Importance: Medium Status: In Progress ** Affects: linux-oem-6.11 (Ubuntu Noble) Importance: Medium Status: In Progress ** Tags: jira-sutton-770 oem-priority ** Tags added: jira-sutton-770 oem-priority ** Changed in: linux-oem-6.11 (Ubuntu) Status: New => In Progress ** Changed in: linux-oem-6.11 (Ubuntu) Importance: Undecided => Medium ** Changed in: hwe-next Importance: Undecided => Medium ** Changed in: hwe-next Status: New => In Progress ** Changed in: hwe-next Assignee: (unassigned) => AaronMa (mapengyu) ** Also affects: linux-oem-6.11 (Ubuntu Noble) Importance: Undecided Status: New ** Changed in: linux-oem-6.11 (Ubuntu Noble) Status: New => In Progress ** Changed in: linux-oem-6.11 (Ubuntu Noble) Importance: Undecided => Medium -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-oem-6.11 in Ubuntu. https://bugs.launchpad.net/bugs/2103617 Title: [SRU] Fix screen flickering in inverted display mode Status in HWE Next: In Progress Status in linux-oem-6.11 package in Ubuntu: In Progress Status in linux-oem-6.11 source package in Noble: In Progress Bug description: [Impact] On Intel LNL, after screen is inverted by "gnome-randr modify eDP-1 --rotate inverted" Move cursor, the screen will get flicker, with the error in dmesg: xe 0000:00:02.0: [drm] ERROR Fault errors on pipe A: 0x00040080 [Fix] Intel provided a patch to fix it. https://patchwork.freedesktop.org/patch/627668/?series=136033&rev=4 https://gitlab.freedesktop.org/drm/xe/kernel/-/issues/3992 [Test] Tested on Intel LNL and MTL, screens are normal on all rotate mode, and suspend/resume for 100 times on both LNL and MTL with positive results. [Where problems could occur] It may break i915 and xe driver. Plucky should get this fix on 6.14. SRU for oem-6.11 only which supports LNL. To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/2103617/+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
