From d5157356ceffad6161ccc773cd6a3a9219f6b4e0 Mon Sep 17 00:00:00 2001
From: Mike Blumenkrantz <michael.blumenkrantz@gmail.com>
Date: Tue, 22 Aug 2023 12:14:27 -0400
Subject: [PATCH] zink: don't start multiple cache jobs for the same program

if there's already a cache job in flight then starting a second one
is illegal

cc: mesa-stable

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24831>
---
 src/gallium/drivers/zink/zink_screen.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/gallium/drivers/zink/zink_screen.c b/src/gallium/drivers/zink/zink_screen.c
index 11bc6c519d5..98fea1426f2 100644
--- a/src/gallium/drivers/zink/zink_screen.c
+++ b/src/gallium/drivers/zink/zink_screen.c
@@ -366,7 +366,7 @@ zink_screen_update_pipeline_cache(struct zink_screen *screen, struct zink_progra
 
    if (in_thread)
       cache_put_job(pg, screen, 0);
-   else
+   else if (util_queue_fence_is_signalled(&pg->cache_fence))
       util_queue_add_job(&screen->cache_put_thread, pg, &pg->cache_fence, cache_put_job, NULL, 0);
 }