IVGCVSW-6700 Disable importing on ClConv2d when datalayout is NCHW

Signed-off-by: David Monahan <David.Monahan@arm.com>
Change-Id: Ia916219a33535f4c288fa44fdc23961a3e54e788
diff --git a/src/backends/cl/workloads/ClConvolution2dWorkload.hpp b/src/backends/cl/workloads/ClConvolution2dWorkload.hpp
index e4177e4..bba92d2 100644
--- a/src/backends/cl/workloads/ClConvolution2dWorkload.hpp
+++ b/src/backends/cl/workloads/ClConvolution2dWorkload.hpp
@@ -40,7 +40,19 @@
 
     arm_compute::ConvolutionMethod GetConvolutionMethod() const;
 
-    bool SupportsTensorHandleReplacement() const override { return true;};
+    bool SupportsTensorHandleReplacement() const override
+    {
+        // NCHW DataLayout on ACL still uses paddding for alignment on the Conv2d workload so importing is unreliable.
+        if (m_Data.m_Parameters.m_DataLayout == DataLayout::NCHW)
+        {
+            return false;
+        }
+        else
+        {
+            return true;
+        }
+    }
+
 
 protected:
     void Reconfigure() override;