[Bug 17601] New: flicker on new window opening

[Bug 17601] New: flicker on new window opening

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

http://bugs.freedesktop.org/show_bug.cgi?id=17601

           Summary: flicker on new window opening
           Product: xorg
           Version: git
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
        AssignedTo: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
        ReportedBy: panov-ABcqYfMUPmYZY0rY4shWHijHesifYMBh@public.gmane.org
         QAContact: xorg-team-go0+a7rfsptAfugRpC6u6w@public.gmane.org


Created an attachment (id=18907)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=18907)
Xorg log

Start of new application window (especially based on gtk-2.14) under KDE 3.5
causes a short flicker stripes on CRT screen.


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[Bug 17601] flicker on new window opening

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

http://bugs.freedesktop.org/show_bug.cgi?id=17601





--- Comment #1 from Andrey V. Panov <panov-ABcqYfMUPmYZY0rY4shWHijHesifYMBh@public.gmane.org>  2008-09-15 21:49:05 PST ---
Created an attachment (id=18908)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=18908)
xorg.conf


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[Bug 17601] flicker on new window opening

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

http://bugs.freedesktop.org/show_bug.cgi?id=17601





--- Comment #2 from Maarten Maathuis <madman2003-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>  2008-09-16 01:44:48 PST ---
This is caused by gtk calling XRRGetScreenResources() on application start,
which probes all outputs. The effect you see is caused by load detect. While it
may be possible to avoid load detect, it is not by definition our bug. I'm
leaving this to Stuart Bennett, who knows more about the code.


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[Bug 17601] flicker on new window opening

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

http://bugs.freedesktop.org/show_bug.cgi?id=17601





--- Comment #3 from Stuart Bennett <sb476-KWPb1pKIrIJaa/9Udqfwiw@public.gmane.org>  2008-10-10 14:07:54 PST ---
I've just pushed a commit that should reduce the load detect side effects
"randr12: don't use in use (by another vga output) crtc for load detect (avoids
flicker)". Obviously this still leaves the rather stupid behaviour of gtk, but
you'll have to get someone else to fix that. So, please try using a updated git
checkout and close the bug if the flicker is gone.


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[Bug 17601] flicker on new window opening

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

http://bugs.freedesktop.org/show_bug.cgi?id=17601


Stuart Bennett <sb476-KWPb1pKIrIJaa/9Udqfwiw@public.gmane.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |NOTOURBUG




--- Comment #4 from Stuart Bennett <sb476-KWPb1pKIrIJaa/9Udqfwiw@public.gmane.org>  2009-01-13 15:44:04 PST ---
As noted in comment 2, this is due to a combination of xserver/gtk stupidity
that really isn't the driver's fault.


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