fix(dnn): fix Image2DPack4TensorFormat check

GitOrigin-RevId: b9a8ae4e1ab4bb8ca978e3664e39b509250474fd

dnn/src/common/relayout_format.cpp

@@ -306,6 +306,15 @@ void RelayoutFormat::deduce_format(TensorFormat src, TensorFormat& dst) {
             megdnn_throw("Invalid relayout format mode");
             break;
     }
+
+    if (!dst.is_default() &&
+        (
+                handle()->type() != Handle::HandleType::NAIVE)) {
+        megdnn_throw(
+                "Only naive and opencl handle support "
+                "Image2DPack4TensorFormat, try to export MGB_USE_MEGDNN_DBG=2 "
+                "to enable naive handle");
+    }
 #undef CHECK_SRC
 }
 

dnn/src/naive/handle.cpp

@@ -107,11 +107,7 @@ HandleImpl::HandleImpl(megcoreComputingHandle_t computing_handle,
           m_dispatcher{megcoreGetCPUDispatcher(computing_handle)} {}
 
 size_t HandleImpl::image2d_pitch_alignment() const {
-    if (type() == Handle::HandleType::NAIVE) {
-        // only naive CPU handle supports this format
-        return g_image2d_pitch_alignment;
-    }
-    megdnn_throw("Image2DTensorFormat is not supported on this handle");
+    return g_image2d_pitch_alignment;
 }
 
 size_t HandleImpl::exchange_image2d_pitch_alignment(size_t alignment) {