https://bugs.freedesktop.org/show_bug.cgi?id=100069

--- Comment #2 from Edward O'Callaghan funfunctor@folklore1984.net --- (In reply to Kenneth Graunke from comment #1)

Assigning to the radeonsi driver until we know it's a general problem...

FYI Kenneth, I have access to a binary of this so could collect some data on where time is getting spent, I just need to download the thing..