diff --git a/present/present.c b/present/present.c index 50bd05539..4c0d63baf 100644 --- a/present/present.c +++ b/present/present.c @@ -663,10 +663,18 @@ present_pixmap(WindowPtr window, if (crtc_msc >= target_msc) { if (divisor != 0) { target_msc = crtc_msc - (crtc_msc % divisor) + remainder; - if (target_msc <= crtc_msc) - target_msc += divisor; - } else + if (options & PresentOptionAsync) { + if (target_msc < crtc_msc) + target_msc += divisor; + } else { + if (target_msc <= crtc_msc) + target_msc += divisor; + } + } else { target_msc = crtc_msc; + if (!(options & PresentOptionAsync)) + target_msc++; + } } /*