SWDEV-407954 - Fixes malloc tchunck and hipGraphAddMemFreeNode crashes

Change-Id: I3c77da3bc7edd6e92b3c8066dde4728703e545a9

Author: Sourabh Betigeri

hipamd/src/hip_internal.hpp

@@ -371,7 +371,12 @@ namespace hip {
         captureEvents_.erase(it);
       }
     }
-    void SetParallelCaptureStream(hipStream_t s) { parallelCaptureStreams_.push_back(s); }
+    void SetParallelCaptureStream(hipStream_t s) {
+      auto it = std::find(parallelCaptureStreams_.begin(), parallelCaptureStreams_.end(), s);
+      if (it == parallelCaptureStreams_.end()) {
+        parallelCaptureStreams_.push_back(s);
+      }
+    }
     void EraseParallelCaptureStream(hipStream_t s) {
       auto it = std::find(parallelCaptureStreams_.begin(), parallelCaptureStreams_.end(), s);
       if (it != parallelCaptureStreams_.end()) {

hipamd/src/hip_mempool_impl.hpp

@@ -63,6 +63,9 @@ struct MemoryTimestamp {
     } else if (opportunistic && (event_ != nullptr)) {
       // Check HIP event for a retired status
       result = (event_->query() == hipSuccess) ? true : false;
+    } else if (event_ == nullptr) {
+      // Event doesn't exist. It was a safe release with explicit wait
+      return true;
     }
     return result;
   }