[Bug 26599] Radeon DDX 6.12.99 (git 47136fa) performance regression

Sat May 8 06:04:02 PDT 2010

https://bugs.freedesktop.org/show_bug.cgi?id=26599

--- Comment #8 from AttilaN <attila123456 at gmail.com> 2010-05-08 06:04:02 PDT ---
After upgrading to Ubuntu Lucid, fullscreen video playback is slow/choppy. A
git bisect identified commit 78e7047 ("Allocate Xv buffers to GTT.") as the
culprit. Reverted that one on the master branch and video playback was smooth
again.

However, if I do other, seemingly unrelated stuff like start (and close) Google
Earth, or log in to & out of a guest session, then play the video again,
fullscreen playback is bad again.

Perhaps someone can explain?

(not sure if it matters, I'm on the 2.6.34-rc6 kernel)

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