[Bug 262282] Framework laptop touchpad latency

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=262282

            Bug ID: 262282
           Summary: Framework laptop touchpad latency
           Product: Base System
           Version: CURRENT
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: kern
          Assignee: bugs@FreeBSD.org
          Reporter: emaste@freebsd.org
            Blocks: 262152

There is observable latency between certain touchpad actions and mouse
movement.

In the vt(4) console with moused running if I start without touching the
touchpad, then touch and immediately move my finger there seems to be a delay
of about 3/4 of a second before the cursor starts moving. If I place my finger
on the touchpad but wait at least a second before moving there is a short (just
barely perceptible) delay before the cursor moves.

There is little delay while in X - seems to be barely perceptible if starting
without touching the touchpad, and imperceptible if starting with a finger on
the touchpad.

FreeBSD main and drm-kmod master as of Feb 24 2022.


Referenced Bugs:

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=262152
[Bug 262152] Framework Laptop: Feature support, bugs and improvements
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