** Changed in: linux (Ubuntu Plucky)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu Plucky)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/2103617
Title:
[SRU] Fix screen flickering in inverted display mode
Status in HWE Next:
In Progress
Status in linux package in Ubuntu:
Fix Committed
Status in linux-oem-6.11 package in Ubuntu:
Invalid
Status in linux source package in Noble:
Invalid
Status in linux-oem-6.11 source package in Noble:
Fix Released
Status in linux source package in Plucky:
Fix Committed
Status in linux-oem-6.11 source package in Plucky:
Invalid
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.
SRU for oem-6.11 and plucky which supports LNL.
LP:2103981 already merged the commit for plucky:
67a98f7e27ba ("drm/xe/display: Re-use display vmas when possible")
Add the fixed commit in this SRU only for plucky.
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