From: bugzilla-daemon@freedesktop.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 32789] New: VSync loss after rotation to portrait mode
Date: Mon, 3 Jan 2011 00:53:33 -0800 (PST) [thread overview]
Message-ID: <bug-32789-502@http.bugs.freedesktop.org/> (raw)
https://bugs.freedesktop.org/show_bug.cgi?id=32789
Summary: VSync loss after rotation to portrait mode
Product: Mesa
Version: 7.9
Platform: x86-64 (AMD64)
OS/Version: Linux (All)
Status: NEW
Severity: normal
Priority: medium
Component: Drivers/DRI/R600
AssignedTo: dri-devel@lists.freedesktop.org
ReportedBy: stapostol@gmail.com
Created an attachment (id=41580)
--> (https://bugs.freedesktop.org/attachment.cgi?id=41580)
Xorg log file
I have a monitor that can be rotated from landscape (1920x1080) to portrait
mode (1080x1920) and vice versa. When I use the monitor in landscape mode, I
can see a perfectly vsynced desktop. Once I move to portrait mode (xrandr -o
left), the vsync is lost and scrolling or moving windows becomes a tearing
fest.
Compiz is running in both cases, with its "sync to vblank" setting enabled. (If
I disable compiz, I get tearing in both landscape and portrait mode - even
worse!)
This is on Ubuntu 10.10:
- 'uname' gives Linux 2.6.35-24-generic
- 'glxinfo' gives
OpenGL vendor string: Advanced Micro Devices, Inc.
OpenGL renderer string: Mesa DRI R600 (RV770 9442) 20090101 TCL DRI2
OpenGL version string: 2.1 Mesa 7.9-devel
My Xorg.0.log is attached.
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next reply other threads:[~2011-01-03 13:42 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-03 8:53 bugzilla-daemon [this message]
2011-01-03 14:11 ` [Bug 32789] VSync loss after rotation to portrait mode bugzilla-daemon
2011-01-03 15:43 ` bugzilla-daemon
2011-01-03 15:46 ` bugzilla-daemon
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