[Bug 29433] Mouse cursor stutter with kernel 2.6.35

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=29433

--- Comment #8 from Mjules <mjulien.m at gmail.com> 2010-08-11 09:24:59 PDT ---
(In reply to comment #7)
> I could imagine that the latency is caused by the VGA port getting polled.
> 
> Can you connect the monitor to VGA instead of DVI? This might work around the
> problem.

When the monitor is connected to VGA, symptoms disappear and according to
latencytop, drm_mode_cursor_ioctl only takes a maximum of 5ms.

When both output (VGA + DVI) are connected (clone mode, on the same monitor),
symptoms reappears (latency around 100ms).

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