From: Flora Cui <[email protected]>

otherwise client would wait for reply forever and desktop appears hang.

Signed-off-by: Flora Cui <[email protected]>
(Ported from amdgpu commit fb06fb814700a47464abd756e1111dcc76d0d776)
Signed-off-by: Michel Dänzer <[email protected]>
---
 src/radeon_dri2.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/radeon_dri2.c b/src/radeon_dri2.c
index a9f14e8d8..3c04e6fe9 100644
--- a/src/radeon_dri2.c
+++ b/src/radeon_dri2.c
@@ -1156,6 +1156,9 @@ static int radeon_dri2_schedule_wait_msc(ClientPtr 
client, DrawablePtr draw,
 out_complete:
     if (wait_info)
        radeon_dri2_deferred_event(NULL, 0, wait_info);
+    else
+       DRI2WaitMSCComplete(client, draw, 0, 0, 0);
+
     return TRUE;
 }
 
-- 
2.20.1

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