[Wayland-bugs] [Bug 89683] Two finger scrolling isn't smooth

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=89683

            Bug ID: 89683
           Summary: Two finger scrolling isn't smooth
           Product: Wayland
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: libinput
          Assignee: wayland-bugs at lists.freedesktop.org
          Reporter: lisec.velimir at gmail.com

Created attachment 114480
  --> https://bugs.freedesktop.org/attachment.cgi?id=114480&action=edit
evemu-record of 2fg scroll down gesture

I've tried running latest fedora rawhide image from a live USB on a Dell
Inspiron n5110 and noticed that two finger scrolling on a touchpad isn't smooth
like it is with synaptics driver. In applications that support smooth scrolling
(gedit for example) scrolling is jumpy. Jumps aren't constant size, some are
bigger, some are smaller. If i enable edge scrolling through xinput, scrolling
behaves like it does under synaptics (it's smooth).

I've attached evemu-record of 2fg scroll event.

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