From f3c28c6d5cfa2c54da92c97735a60cdb7805347d Mon Sep 17 00:00:00 2001
From: Saleel Kudchadker <Saleel.Kudchadker@amd.com>
Date: Mon, 13 Nov 2023 13:10:58 -0800
Subject: [PATCH] SWDEV-301667 - StreamwaitEvent may not flush caches

Change-Id: I8d648f96273b36d4930216ffa05bf1adb3c408da


[ROCm/clr commit: 514b7fc470c7d37386574637ede4463df6cdd7b5]
---
 projects/clr/hipamd/src/hip_event.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/projects/clr/hipamd/src/hip_event.cpp b/projects/clr/hipamd/src/hip_event.cpp
index 745f6f8101..29ba533310 100644
--- a/projects/clr/hipamd/src/hip_event.cpp
+++ b/projects/clr/hipamd/src/hip_event.cpp
@@ -183,6 +183,9 @@ hipError_t Event::streamWaitCommand(amd::Command*& command, hip::Stream* stream)
     eventWaitList.push_back(event_);
   }
   command = new amd::Marker(*stream, kMarkerDisableFlush, eventWaitList);
+  // Since we only need to have a dependency on an existing event,
+  // we may not need to flush any caches.
+  command->setEventScope(amd::Device::kCacheStateIgnore);
 
   if (command == NULL) {
     return hipErrorOutOfMemory;