[ROCm] Fix dense autotvm template registration (apache#3136)

* Fix rocm dense autotvm template

* suppres lint warning

topi/python/topi/cuda/__init__.py

@@ -11,6 +11,7 @@
 from .reduction import schedule_reduce
 from .softmax import schedule_softmax
 from .injective import schedule_injective, schedule_elemwise, schedule_broadcast
+from .dense import schedule_dense
 from .pooling import schedule_pool, schedule_global_pool
 from .extern import schedule_extern
 from .nn import schedule_lrn, schedule_l2_normalize

topi/python/topi/rocm/dense.py

@@ -14,18 +14,19 @@
 # KIND, either express or implied.  See the License for the
 # specific language governing permissions and limitations
 # under the License.
-# pylint: disable=invalid-name, unused-variable
+# pylint: disable=invalid-name, unused-variable, unused-argument
 """Schedule for dense operator"""
 from __future__ import absolute_import as _abs
 import tvm
+from tvm import autotvm
 from tvm.contrib import rocblas
 import topi
 from ..nn.dense import dense, dense_default
 from .. import tag
 from .. import generic
 
-@dense.register("rocm")
-def dense_rocm(data, weight, bias=None, out_dtype=None):
+@autotvm.register_topi_compute(dense, "rocm", "direct")
+def dense_rocm(cfg, data, weight, bias=None, out_dtype=None):
     """Dense operator for rocm backend.
 
     Parameters
@@ -67,8 +68,8 @@ def dense_rocm(data, weight, bias=None, out_dtype=None):
     return dense_default(data, weight, bias, out_dtype)
 
 
-@generic.schedule_dense.register(["rocm"])
-def schedule_dense(outs):
+@autotvm.register_topi_schedule(generic.schedule_dense, "rocm", "direct")
+def schedule_dense(cfg, outs):
     """Schedule for dense operator.
 
     Parameters
@@ -85,4 +86,4 @@ def schedule_dense(outs):
     target = tvm.target.current_target()
     if target.target_name == "rocm" and "rocblas" in target.libs:
         return generic.schedule_extern(outs)
-    return topi.cuda.schedule_dense(outs)
+    return topi.cuda.schedule_dense(cfg, outs)