[Bug 108221] New: amdgpu: mouse cursor flickers + black boxes

[bugzilla-daemon@bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=108221

            Bug ID: 108221
           Summary: amdgpu: mouse cursor flickers + black boxes
           Product: Drivers
           Version: 2.5
    Kernel Version: 4.3.0-7
          Hardware: All
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Video(DRI - non Intel)
          Assignee: drivers_video-dri@kernel-bugs.osdl.org
          Reporter: frederic.santos@u-bordeaux.fr
        Regression: No

For kernel >= 4.3.0-3:
Mouse cursor constantly flickers and disappears. A black box stays on screen
when clicking on some elements of the GNOME desktop.
More generally, there are problems with screen refresh.
The problem is present only since an update to the kernel 4.3.0-3, the first
versions of 4.3.x were OK for me. Recent updates of the kernel and amdgpu did
not help.

Details about hardware:
#/sbin/lspci -nnv | grep 'VGA' -A2
    Flags: bus master, VGA palette snoop, 66MHz, medium devsel, latency 64
    Bus: primary=00, secondary=03, subordinate=03, sec-latency=64

--
01:00.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc.
[AMD/ATI] Tonga PRO [Radeon R9 285/380] [1002:6939] (rev f1) (prog-if 00 [VGA
controller])
    Subsystem: XFX Pine Group Inc. Device [1682:9380]
    Flags: bus master, fast devsel, latency 0, IRQ 38


# glxinfo
name of display: :0
display: :0  screen: 0
direct rendering: Yes
[...]
OpenGL vendor string: X.Org
OpenGL renderer string: Gallium 0.4 on AMD TONGA (DRM 3.1.0, LLVM 3.7.0)
OpenGL core profile version string: 4.1 (Core Profile) Mesa 11.0.2
OpenGL core profile shading language version string: 4.10
OpenGL core profile context flags: (none)
OpenGL core profile profile mask: core profile

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