Add per-channel quantization support for CLDeconvolutionLayer

Add QSYMM8_PER_CHANNEL support on weight input for CLDeconvolutionLayer.
When weights are per-channel quantized type "Direct" method is always
used.

Also reduce number of QSYMM8_PER_CHANNEL tests for NEDeconvolutionLayer.

Resolves: COMPMID-3438

Signed-off-by: Freddie Liardet <frederick.liardet@arm.com>
Change-Id: I1330cac5142e19d21e322574fb8d912558745b02
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/5484
Reviewed-by: Michele Di Giorgio <michele.digiorgio@arm.com>
Reviewed-by: Giorgio Arena <giorgio.arena@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>

1 files changed, 6 insertions, 1 deletions

diff --git a/src/runtime/CL/functions/CLDeconvolutionLayer.cpp b/src/runtime/CL/functions/CLDeconvolutionLayer.cpp
index 75f34cc5ee..918848745e 100644
--- a/src/runtime/CL/functions/CLDeconvolutionLayer.cpp
+++ b/src/runtime/CL/functions/CLDeconvolutionLayer.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017-2020 Arm Limited.
+ * Copyright (c) 2017-2021 Arm Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -105,6 +105,11 @@ DeconvolutionMethod CLDeconvolutionLayer::get_deconvolution_method(const ITensor
 {
     ARM_COMPUTE_UNUSED(output, bias, weights_info);
 
+    if(is_data_type_quantized_per_channel(weights->data_type()))
+    {
+        return DeconvolutionMethod::DIRECT;
+    }
+
     const DataLayout data_layout = input->data_layout();
 
     const size_t idx_w = get_data_layout_dimension_index(data_layout, DataLayoutDimension::WIDTH);