[Bug 71173] Display stutters after resume

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=71173

--- Comment #7 from Chandler Paul <thatslyude at gmail.com> ---
(In reply to comment #5)
> Chandler,
> 
> In the latest git versions of the driver I've been experiencing some
> stuttering myself, but I almost never suspend my laptop.  The easiest way to
> replicate the behavior I've been seeing has been to simply load up a large
> webpage in Chromium and start scrolling through it, up and down.  Within a
> few seconds, the chromium window will freeze only to unfreeze and "catch up"
> in a second or two.
> 
> The behavior is quite annoying but I haven't filed a bug report yet because
> I don't have any kind of log output that seems to correlate with the
> behavior.  Could you load up a large webpage and Chromium and see if you can
> replicate this behavior?  And if so, could you confirm whether or not it
> resembles the stuttering that you are complaining about here?
> 
> Jay
> 
> Note: This behavior is seen with both SNA and Tearfree enabled (haven't
> tried disabling Tearfree though I'm positive that turning off SNA and
> turning on UXA will resolve the issue, but that's not a road I'm willing to
> go down.  Also my laptop contains an Intel HD 4600.

I've tried disabling tearfree. The behavior has changed, however it's not
completely gone. Instead of multiple quick distinct stutters it's now a very
consistent single stutter every few seconds that lasts longer.
I think this does have to do with the gnome-shell though, because restarting
the shell makes everything go back to normal.

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