From: bugzilla-daemon@freedesktop.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 39202] FPS - KDE desktop effects with 3.0 rc6 kernel
Date: Thu, 18 Aug 2011 03:00:17 -0700 (PDT) [thread overview]
Message-ID: <20110818100017.90D97130156@annarchy.freedesktop.org> (raw)
In-Reply-To: <bug-39202-502@http.bugs.freedesktop.org/>
https://bugs.freedesktop.org/show_bug.cgi?id=39202
--- Comment #27 from Michel Dänzer <michel@daenzer.net> 2011-08-18 03:00:16 PDT ---
(In reply to comment #25)
> There is a sequence of commits in drm, some of them related to radeon
> and vblank.
I guess it's most likely commit 19b01b5fbf0b78930b3b06ee6080539c17b5d1fd
('drm/kernel: vblank wait on crtc > 1') that makes the difference. Without that
commit, the X driver completely disables vsync functionality with your card, as
it can't work on some of the CRTCs.
What I don't understand is why the suggested workarounds don't restore the
previous behaviour... did you leave all of them (disabling page flipping and
SwapBuffersWait — verify in Xorg.0.log that they're really disabled — and
vblank_mode=0) enabled at the same time? Missing any one of them could result
in vsync being effectively enabled.
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next prev parent reply other threads:[~2011-08-18 10:00 UTC|newest]
Thread overview: 55+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-13 19:11 [Bug 39202] New: KDE desktop effects with 3.0 rc6 kernel bugzilla-daemon
2011-07-13 19:25 ` [Bug 39202] " bugzilla-daemon
2011-07-13 20:22 ` bugzilla-daemon
2011-07-13 22:26 ` bugzilla-daemon
2011-07-13 22:26 ` bugzilla-daemon
2011-07-13 22:27 ` bugzilla-daemon
2011-07-14 8:09 ` [Bug 39202] FPS - " bugzilla-daemon
2011-08-09 11:12 ` bugzilla-daemon
2011-08-09 11:15 ` bugzilla-daemon
2011-08-09 21:29 ` bugzilla-daemon
2011-08-09 21:30 ` bugzilla-daemon
2011-08-09 21:31 ` bugzilla-daemon
2011-08-10 7:49 ` bugzilla-daemon
2011-08-10 13:31 ` bugzilla-daemon
2011-08-10 15:59 ` bugzilla-daemon
2011-08-12 9:09 ` bugzilla-daemon
2011-08-12 13:17 ` bugzilla-daemon
2011-08-15 9:49 ` bugzilla-daemon
2011-08-15 17:59 ` bugzilla-daemon
2011-08-15 18:04 ` bugzilla-daemon
2011-08-16 7:41 ` bugzilla-daemon
2011-08-16 8:49 ` bugzilla-daemon
2011-08-16 8:54 ` bugzilla-daemon
2011-08-16 9:14 ` bugzilla-daemon
2011-08-16 9:34 ` bugzilla-daemon
2011-08-16 11:07 ` bugzilla-daemon
2011-08-16 17:24 ` bugzilla-daemon
2011-08-18 9:39 ` bugzilla-daemon
2011-08-18 9:45 ` bugzilla-daemon
2011-08-18 10:00 ` bugzilla-daemon [this message]
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