Mesa (master): freedreno: fix dEQP-GLES3.functional.fence_sync.*

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Module: Mesa
Branch: master
Commit: 2658f63701664950eba43fc255784eacbf3b6362
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=2658f63701664950eba43fc255784eacbf3b6362

Author: Rob Clark <robdclark at gmail.com>
Date:   Wed Aug 15 08:13:40 2018 -0400

freedreno: fix dEQP-GLES3.functional.fence_sync.*

Signed-off-by: Rob Clark <robdclark at gmail.com>

---

 src/gallium/drivers/freedreno/freedreno_fence.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/gallium/drivers/freedreno/freedreno_fence.c b/src/gallium/drivers/freedreno/freedreno_fence.c
index c4e20226b5..e2602cb411 100644
--- a/src/gallium/drivers/freedreno/freedreno_fence.c
+++ b/src/gallium/drivers/freedreno/freedreno_fence.c
@@ -136,6 +136,10 @@ void fd_fence_server_sync(struct pipe_context *pctx,
 
 	fence_flush(fence);
 
+	/* if not an external fence, then nothing more to do without preemption: */
+	if (fence->fence_fd == -1)
+		return;
+
 	if (sync_accumulate("freedreno", &batch->in_fence_fd, fence->fence_fd)) {
 		/* error */
 	}