Guard #ifdef USE_ROCR_20 is added for ROCR_20 device properties (memoryClockRate, memoryBusWidth)

By default isn't defined.
To add ROCR_20 support HIP have to be compiled as follows: make CXX_DEFINES+=-DUSE_ROCR_20

src/hip_hcc.cpp

@@ -343,6 +343,7 @@ hipError_t ihipDevice_t::getProperties(hipDeviceProp_t* prop)
     // Group memory will not be paged out, so, the physical memory size is the total shared memory size, and also equal to the group region size.
     prop->maxSharedMemoryPerMultiProcessor = prop->totalGlobalMem;
 
+#ifdef USE_ROCR_20
     // Get Max memory clock frequency
     err = hsa_region_get_info(*am_region, (hsa_region_info_t)HSA_AMD_REGION_INFO_MAX_CLOCK_FREQUENCY, &prop->memoryClockRate);
     DeviceErrorCheck(err);
@@ -351,6 +352,7 @@ hipError_t ihipDevice_t::getProperties(hipDeviceProp_t* prop)
     // Get global memory bus width in bits
     err = hsa_region_get_info(*am_region, (hsa_region_info_t)HSA_AMD_REGION_INFO_BUS_WIDTH, &prop->memoryBusWidth);
     DeviceErrorCheck(err);
+#endif
 
     // Set feature flags - these are all mandatory for HIP on HCC path:
     // Some features are under-development and future revs may support flags that are currently 0.
@@ -818,10 +820,12 @@ hipError_t hipDeviceGetAttribute(int* pi, hipDeviceAttribute_t attr, int device)
             *pi = prop->regsPerBlock; break;
         case hipDeviceAttributeClockRate:
             *pi = prop->clockRate; break;
+#ifdef USE_ROCR_20
         case hipDeviceAttributeMemoryClockRate:
             *pi = prop->memoryClockRate; break;
         case hipDeviceAttributeMemoryBusWidth:
             *pi = prop->memoryBusWidth; break;
+#endif
         case hipDeviceAttributeMultiprocessorCount:
             *pi = prop->multiProcessorCount; break;
         case hipDeviceAttributeComputeMode: