https://bugs.freedesktop.org/show_bug.cgi?id=85203
Michel Dänzer <mic...@daenzer.net> changed:
What |Removed |Added
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CC| |mario.klei...@tuebingen.mpg
| |.de
--- Comment #4 from Michel Dänzer <mic...@daenzer.net> ---
Mario, any ideas?
These are possible scenarios I can think of where this could still happen:
1. The pflip interrupt triggers before the corresponding vblank interrupt
2. The page flip is queued just before the vertical blank period, such that
it's
too late for the corresponding vblank interrupt to trigger, but early enough
for the flip to complete in the same vertical blank period.
3. Race condition when enabling the vblank interrupt, causing the vertical
blank
counter to be off by 1.
AFAIK 1. shouldn't happen, not sure if 2. can happen.
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