[Bug 92573] New: Slow mouse movements on rotated screen with dual GPU setup (setprovideroutputsource)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=92573

            Bug ID: 92573
           Summary: Slow mouse movements on rotated screen with dual GPU
                    setup (setprovideroutputsource)
           Product: xorg
           Version: unspecified
          Hardware: Other
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/Radeon
          Assignee: xorg-driver-ati at lists.x.org
          Reporter: jan.burgmeier at unicon-software.com
        QA Contact: xorg-team at lists.x.org

Created attachment 119040
  --> https://bugs.freedesktop.org/attachment.cgi?id=119040&action=edit
Xorg server logfile

Hi,

My setup is the following:

PC: HP T620 Plus with two AMD graphics card
Monitors: 3 Dell 4k Monitos running at 1920x1080. Two are attached to the
primary card and one to the secondary card.

When moving the mouse inside a window (firefox, xterm, ...) on a rotated screen
on it is very slow. Moving the mouse outside a windows on the background is
fast as it should be. The mouse also disappears when it is not moving.

The following versions were used:
Xorg-1.17.2
xf86-video-ati latest git version (ce9914a)
mesa-11.0.0
libdrm-2.4.64
libLLVM-3.7

It does not matter if using DRI2 or DRI3.
It does not matter if ColorTiling2D is on or off.

Kind regards
Jan Burgmeier

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