[Bug 84944] tearing on radeonsi vdpau deinterlacer

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=84944

--- Comment #12 from warpme at o2.pl ---
(In reply to Michel Dänzer from comment #10)
> (In reply to Christian König from comment #9)
> > Please try to investigate what MythTV is actually doing different here to
> > cause the page flipping to not work correctly.
> 
> It would be interesting to know why the function can_flip() in
> xf86-video-ati/src/radeon_dri2.c returns FALSE. warpme, if you're familiar
> with gdb, you can attach it (from ssh) to the Xorg process while MythTV is
> running, set a breakpoint at that function and trace its execution.
> Otherwise, we may have to modify the function to print some debugging output.

Oh - minimyth2 is really minimalistic http downloaded, RAM expanded OS image.
Image has only binaries which are a must to run only mythtv. debuging it via
gdb/breakpoints - compared to printing debug outputs - is at least one order of
magnitude bigger task to do :-(
So if it is possible - I really strongly prefer approach with modified
functions to print some debugging outputs.
br

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