From cf07633dc88fb0d024f9db02607d4da672a83557 Mon Sep 17 00:00:00 2001
From: Saleel Kudchadker <Saleel.Kudchadker@amd.com>
Date: Mon, 20 Jun 2022 10:49:35 -0700
Subject: [PATCH] SWDEV-301667 - Early return if src == dst for 1D copy

Change-Id: Icaa334c6579bb5e70e92347f8bc37edcf5adf796
---
 hipamd/src/hip_memory.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/hipamd/src/hip_memory.cpp b/hipamd/src/hip_memory.cpp
index de8c77315f..b2842cf602 100644
--- a/hipamd/src/hip_memory.cpp
+++ b/hipamd/src/hip_memory.cpp
@@ -308,6 +308,7 @@ hipError_t ihipMemcpy_validate(void* dst, const void* src, size_t sizeBytes,
   if (dst == nullptr || src == nullptr) {
     return hipErrorInvalidValue;
   }
+
   size_t sOffset = 0;
   amd::Memory* srcMemory = getMemoryObject(src, sOffset);
   size_t dOffset = 0;
@@ -421,6 +422,9 @@ hipError_t ihipMemcpy(void* dst, const void* src, size_t sizeBytes, hipMemcpyKin
   if (status != hipSuccess) {
     return status;
   }
+  if (src == dst && kind == hipMemcpyDefault) {
+    return hipSuccess;
+  }
   size_t sOffset = 0;
   amd::Memory* srcMemory = getMemoryObject(src, sOffset);
   size_t dOffset = 0;