[Intel-gfx] [BUG, bisect] drm/i915: mouse pointer lags and overshoots

[Chris Wilson]

On Mon, Jan 19, 2015 at 11:51:43AM +0100, Daniel Vetter wrote:
> There's also an issue in (most) X drivers which exaberates this
> issues: When changing the cursor buffer the X cursor code does a a)
> disable cursor b) update cursor image c) enable cursor cycle.

Notably not -intel on which the bug has been observed. And more
importantly, the slow downs don't seem to correlate with cursor change,
just cursor movement.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre