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

[bugzilla-daemon at bugzilla.kernel.org]

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

--- Comment #15 from Michel Dänzer <michel at daenzer.net> ---
(In reply to Fred Santos from comment #14)
> 2. We found (Comment #10) that amdgpu was not found/activated during boot:
> when 'forcing' its use by creating this /etc/X11/xorg.conf file, everything
> is OK, with all kernels I have tested (4.4, 4.3, 4.2). To put it in a
> nutshell, no matter the kernel we use, we have the same behavior: it works
> if and only if we add this /etc/X11/xorg.conf file.

If /etc/X11/xorg.conf.d/10-amdgpu.conf /
/usr/share/X11/xorg.conf.d/10-amdgpu.conf isn't enough, then it sounds like
maybe the amdgpu kernel driver isn't loaded yet the first time Xorg starts up
during boot.

Also, it sounds like there's a bug in the Xorg modesetting driver causing the
artifacts you described.

Probably no kernel bug here though.

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