[Bug 31465] [R420] KMS: Compositing unusably slow

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=31465

--- Comment #5 from Michael R <redm at gmx.de> 2010-11-09 10:15:27 PST ---
Ok, I upgraded mesa to Ubuntu xorg-edgers packages.
glxinfo now says:

OpenGL vendor string: X.Org R300 Project
OpenGL renderer string: Gallium 0.4 on R420
OpenGL version string: 2.1 Mesa 7.10-devel

No noticeable speed improvement however. 

Anyway, this is now more a general speed issue. I'd *expect* things to be
faster with this card, but may it's just too slow for this kind of usage.
Removing MigrationHeuristic=greedy brought KMS on par with UMS for me and that
was what the original report was about. So I guess it can be closed. Perhaps it
would be good to document this in the radeon manpage, as greedy is suggested in
most tutorials on the web about getting radeon faster.

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