Only treat divisor==0 as async to immediately report the actual vblank.
If the user species a non-zero divisor, we should compute the missed
vblank properly or else we report too early.
Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk>
---
present/present.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/present/present.c b/present/present.c
index 1dddcc0..9a283d4 100644
--- a/present/present.c
+++ b/present/present.c
@@ -961,7 +961,7 @@ present_notify_msc(WindowPtr window,
0, 0,
NULL,
NULL, NULL,
- PresentOptionAsync,
+ divisor == 0 ? PresentOptionAsync : 0,
target_msc, divisor, remainder, NULL, 0);
}
--
2.1.4
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