code: def conv2d_nchw_winograd(
      cfg, data, kernel, strides, padding, dilation, out_dtype
  ):
      """Use Winograd as the convolution method"""
      return _decl_winograd(
          cfg, data, kernel, strides, padding, dilation, out_dtype
      )
  
file_path: tvm/python/tvm/topi/bifrost/conv2d.py
imports: import tvm
  from tvm import te
  from tvm import relay
  from tvm import autotvm
  from .gemm import decl_winograd_gemm, schedule_gemm
  from .transforms import tile_and_bind, tile_and_bind3d
  from ..utils import traverse_inline, get_const_int, get_const_tuple
  from ..None import nn
  from ..nn.winograd_util import winograd_transform_matrices
  from ..arm_cpu.conv2d_spatial_pack import conv2d_spatial_pack_nchw
label_desc: Use image node_id 4 for calling a global function with example usage: conv2d_nchw_winograd(cfg, data, kernel, strides, padding, dilation, out_dtype) and returns: _decl_winograd