[Bug 70764] [snb] TearFree now triggers stuck semaphores (due to Eliminate the synchronous wait from inside TearFree)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=70764

--- Comment #18 from Chris Wilson <chris at chris-wilson.co.uk> ---
Ok, try this simpler one instead:

diff --git a/src/sna/sna_display.c b/src/sna/sna_display.c
index 7fcade6..5c04d78 100644
--- a/src/sna/sna_display.c
+++ b/src/sna/sna_display.c
@@ -4299,7 +4299,7 @@ static bool wait_for_shadow(struct sna *sna, struct
sna_pixmap *priv, unsigned f
        damage = sna->mode.shadow_damage;
        sna->mode.shadow_damage = NULL;

-       while (sna->mode.shadow_flip && sna_mode_has_pending_events(sna))
+       while (sna->mode.shadow_flip && sna_mode_wait_for_event(sna))
                sna_mode_wakeup(sna);

        if (sna->mode.shadow_flip) {

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