From dc9e8417cb43a9da4c94ca6c4a88fecbab00799c Mon Sep 17 00:00:00 2001
From: foreman <dl.constructicon@amd.com>
Date: Tue, 8 May 2018 15:47:58 -0400
Subject: [PATCH] P4 to Git Change 1552021 by gandryey@gera-w8 on 2018/05/08
 15:00:13

	SWDEV-151981 - Removal of CPU support on Windows
	- Part 5. Remove runtime logic that considered CPU device support.

Affected files ...

... //depot/stg/opencl/drivers/opencl/api/opencl/amdocl/cl_icd.cpp#33 edit
... //depot/stg/opencl/drivers/opencl/api/opencl/amdocl/cl_program.cpp#47 edit
... //depot/stg/opencl/drivers/opencl/runtime/platform/command.cpp#83 edit
... //depot/stg/opencl/drivers/opencl/runtime/platform/context.cpp#50 edit
... //depot/stg/opencl/drivers/opencl/runtime/platform/memory.cpp#130 edit
... //depot/stg/opencl/drivers/opencl/runtime/platform/program.cpp#92 edit
---
 opencl/api/opencl/amdocl/cl_icd.cpp     |  3 +--
 opencl/api/opencl/amdocl/cl_program.cpp | 27 +++++++------------------
 2 files changed, 8 insertions(+), 22 deletions(-)

diff --git a/opencl/api/opencl/amdocl/cl_icd.cpp b/opencl/api/opencl/amdocl/cl_icd.cpp
index b25458382a..bbdd35f821 100644
--- a/opencl/api/opencl/amdocl/cl_icd.cpp
+++ b/opencl/api/opencl/amdocl/cl_icd.cpp
@@ -222,8 +222,7 @@ CL_API_ENTRY cl_int CL_API_CALL clIcdGetPlatformIDsKHR(cl_uint num_entries,
   }
 
   if (num_platforms != NULL && platforms == NULL) {
-    int numDevices = amd::Device::numDevices(CL_DEVICE_TYPE_CPU, false) +
-                     amd::Device::numDevices(CL_DEVICE_TYPE_GPU, false);
+    int numDevices = amd::Device::numDevices(CL_DEVICE_TYPE_GPU, false);
     if (numDevices == 0) {
       *num_platforms = 0;
       return CL_INVALID_PLATFORM;
diff --git a/opencl/api/opencl/amdocl/cl_program.cpp b/opencl/api/opencl/amdocl/cl_program.cpp
index be4eec8227..f6a4eead80 100644
--- a/opencl/api/opencl/amdocl/cl_program.cpp
+++ b/opencl/api/opencl/amdocl/cl_program.cpp
@@ -1913,11 +1913,8 @@ RUNTIME_ENTRY(cl_int, clGetKernelSubGroupInfo,
         workGroupSize *= ((size_t*)input_value)[i];
       }
 
-      // Get the subgroup size. CPU devices only have one subgroup
-      // per workgroup. GPU devices sub-groups are wavefronts.
-      size_t subGroupSize = as_amd(device)->type() == CL_DEVICE_TYPE_CPU
-          ? workGroupSize
-          : as_amd(device)->info().wavefrontWidth_;
+      // Get the subgroup size. GPU devices sub-groups are wavefronts.
+      size_t subGroupSize = as_amd(device)->info().wavefrontWidth_;
 
       size_t numSubGroups = (workGroupSize + subGroupSize - 1) / subGroupSize;
 
@@ -1933,8 +1930,7 @@ RUNTIME_ENTRY(cl_int, clGetKernelSubGroupInfo,
     }
     case CL_KERNEL_MAX_NUM_SUB_GROUPS: {
       size_t waveSize = as_amd(device)->info().wavefrontWidth_;
-      size_t numSubGroups = as_amd(device)->type() == CL_DEVICE_TYPE_CPU
-          ? 1 : (devKernel->workGroupInfo()->size_  + waveSize - 1) / waveSize;
+      size_t numSubGroups = (devKernel->workGroupInfo()->size_  + waveSize - 1) / waveSize;
       return amd::clGetInfo(numSubGroups, param_value_size, param_value, param_value_size_ret);
     }
     case CL_KERNEL_LOCAL_SIZE_FOR_SUB_GROUP_COUNT: {
@@ -1951,19 +1947,10 @@ RUNTIME_ENTRY(cl_int, clGetKernelSubGroupInfo,
       *not_null(param_value_size_ret) = param_value_size;
 
       size_t localSize;
-      if (as_amd(device)->type() == CL_DEVICE_TYPE_CPU) {
-        if (numSubGroups != 1) {
-          ::memset(param_value, '\0', dims * sizeof(size_t));
-          return CL_SUCCESS;
-        }
-        localSize = devKernel->workGroupInfo()->size_;
-      }
-      else {
-        localSize = numSubGroups * as_amd(device)->info().wavefrontWidth_;
-        if (localSize > devKernel->workGroupInfo()->size_) {
-          ::memset(param_value, '\0', dims * sizeof(size_t));
-          return CL_SUCCESS;
-        }
+      localSize = numSubGroups * as_amd(device)->info().wavefrontWidth_;
+      if (localSize > devKernel->workGroupInfo()->size_) {
+        ::memset(param_value, '\0', dims * sizeof(size_t));
+        return CL_SUCCESS;
       }
 
       switch (dims) {