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<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO --- - KDE Konsole very slow scrolling with TearFree and QT graphics system native"
href="https://bugs.freedesktop.org/show_bug.cgi?id=77436#c129">Comment # 129</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO --- - KDE Konsole very slow scrolling with TearFree and QT graphics system native"
href="https://bugs.freedesktop.org/show_bug.cgi?id=77436">bug 77436</a>
from <span class="vcard"><a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> <span class="fn">Chris Wilson</span></a>
</span></b>
<pre>Time for something different:
diff --git a/src/sna/kgem.c b/src/sna/kgem.c
index 7a7e2f2..52e78f2 100644
--- a/src/sna/kgem.c
+++ b/src/sna/kgem.c
@@ -3369,6 +3369,9 @@ void _kgem_submit(struct kgem *kgem)
kgem_reset(kgem);
+ if (kgem->scanout_busy)
+ isItTimeToYield = TRUE;
+
assert(kgem->next_request != NULL);
}</pre>
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