change mkldnn interp to normal GetExpectedKernelType (#46685)

paddle/fluid/operators/interpolate_op.cc

@@ -342,10 +342,11 @@ class InterpolateOp : public framework::OperatorWithKernel {
     auto data_type = OperatorWithKernel::IndicateVarDataType(ctx, "X");
 
 #ifdef PADDLE_WITH_MKLDNN
-    const auto& interp_method = ctx.Attr<std::string>("interp_method");
     // TODO(danqing): support other interp_method
-    if (this->CanMKLDNNBeUsed(ctx, data_type) &&
-        (interp_method == "nearest" || interp_method == "bilinear")) {
+    // (https://github.com/PaddlePaddle/Paddle/pull/30016/files)
+    // NOTE(jiahy0825): currently only support interp_method = nearest or
+    // interp_method = bilinear
+    if (this->CanMKLDNNBeUsed(ctx, data_type)) {
       return framework::OpKernelType(data_type,
                                      ctx.GetPlace(),
                                      framework::DataLayout::kMKLDNN,

paddle/fluid/operators/interpolate_v2_op.cc

@@ -446,10 +446,11 @@ class InterpolateV2Op : public framework::OperatorWithKernel {
     auto data_type = OperatorWithKernel::IndicateVarDataType(ctx, "X");
 
 #ifdef PADDLE_WITH_MKLDNN
-    const auto& interp_method = ctx.Attr<std::string>("interp_method");
     // TODO(danqing): support other interp_method
-    if (this->CanMKLDNNBeUsed(ctx, data_type) &&
-        (interp_method == "nearest" || interp_method == "bilinear")) {
+    // (https://github.com/PaddlePaddle/Paddle/pull/30016/files)
+    // NOTE(jiahy0825): currently only support interp_method = nearest or
+    // interp_method = bilinear
+    if (this->CanMKLDNNBeUsed(ctx, data_type)) {
       return framework::OpKernelType(data_type,
                                      ctx.GetPlace(),
                                      framework::DataLayout::kMKLDNN,