To resolve choppy touchpad/mouse issue, you need pull 2 additional commits
below on the top of Ubuntu-oem-5.14-5.14.0-1025.27:
708978487304 drm/amdgpu/display: Only set vblank_disable_immediate when PSR
is not enabled
4d22336f9039 drm/amd/display: For vblank_disable_immediate, check PSR is
really used
** Also affects: linux (Ubuntu Jammy)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Focal)
Importance: Undecided
Status: New
** Also affects: linux-oem-5.14 (Ubuntu)
Importance: Undecided
Status: New
** Changed in: linux-oem-5.14 (Ubuntu Jammy)
Status: New => Invalid
** Changed in: linux (Ubuntu Focal)
Status: New => Invalid
** Changed in: linux (Ubuntu Jammy)
Status: New => Triaged
** Changed in: linux-oem-5.14 (Ubuntu Focal)
Status: New => In Progress
** Changed in: linux-oem-5.14 (Ubuntu Focal)
Importance: Undecided => High
** Changed in: linux-oem-5.14 (Ubuntu Focal)
Assignee: (unassigned) => You-Sheng Yang (vicamo)
** Changed in: linux (Ubuntu Jammy)
Importance: Undecided => High
** Changed in: linux (Ubuntu Jammy)
Assignee: (unassigned) => You-Sheng Yang (vicamo)
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https://bugs.launchpad.net/bugs/1964850
Title:
Choppy trackpad/USB mouse behavior with oem-1023 or above kernel
version
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