From 1b4bbfcb53089c4a591f394816da220d44aaafde Mon Sep 17 00:00:00 2001
From: Saleel Kudchadker <Saleel.Kudchadker@amd.com>
Date: Fri, 20 Mar 2020 10:53:23 -0700
Subject: [PATCH] Sync streams when freeing or destroying mem

Change-Id: I6932f225a8b932bb2adbd5e37880f7e604496809


[ROCm/hip commit: 8b39e0b74e1d8833cb2d0d0b6f04e369afed1d8a]
---
 projects/hip/vdi/hip_memory.cpp | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/projects/hip/vdi/hip_memory.cpp b/projects/hip/vdi/hip_memory.cpp
index 6233c15a38..b38c2dbdbc 100644
--- a/projects/hip/vdi/hip_memory.cpp
+++ b/projects/hip/vdi/hip_memory.cpp
@@ -274,6 +274,13 @@ hipError_t hipHostFree(void* ptr) {
   HIP_INIT_API(hipHostFree, ptr);
 
   if (amd::SvmBuffer::malloced(ptr)) {
+    for (auto& dev : g_devices) {
+      amd::HostQueue* queue = hip::getNullStream(*dev->asContext());
+      if (queue != nullptr) {
+        queue->finish();
+      }
+      hip::syncStreams(dev->deviceId());
+    }
     amd::SvmBuffer::free(*hip::getCurrentDevice()->asContext(), ptr);
     HIP_RETURN(hipSuccess);
   }
@@ -289,7 +296,13 @@ hipError_t ihipArrayDestroy(hipArray* array) {
   if (is_valid(memObj) == false) {
     return hipErrorInvalidValue;
   }
-
+  for (auto& dev : g_devices) {
+    amd::HostQueue* queue = hip::getNullStream(*dev->asContext());
+    if (queue != nullptr) {
+      queue->finish();
+    }
+    hip::syncStreams(dev->deviceId());
+  }
   as_amd(memObj)->release();
 
   delete array;