SWDEV-329802 - Refactor PCH to generate the right warp size on Navi GPUs

Change-Id: I817de9c858c152fee1f586303372820066a09dc9

hipamd/src/hip_global.cpp

@@ -19,11 +19,22 @@ size_t amd_dbgapi_get_build_id() {
 }
 
 #ifdef __HIP_ENABLE_PCH
-extern const char __hip_pch[];
-extern unsigned __hip_pch_size;
+extern const char __hip_pch_wave32[];
+extern const char __hip_pch_wave64[];
+extern unsigned __hip_pch_wave32_size;
+extern unsigned __hip_pch_wave64_size;
 void __hipGetPCH(const char** pch, unsigned int *size) {
-  *pch = __hip_pch;
-  *size = __hip_pch_size;
+  hipDeviceProp_t deviceProp;
+  int deviceId;
+  hipError_t error = hipGetDevice(&deviceId);
+  error = hipGetDeviceProperties(&deviceProp, deviceId);
+  if (deviceProp.warpSize == 32) {
+    *pch = __hip_pch_wave32;
+    *size = __hip_pch_wave32_size;
+  } else {
+    *pch = __hip_pch_wave64;
+    *size = __hip_pch_wave64_size;
+  }
 }
 #endif
 namespace hip {