Revert "SWDEV-264166 - Remove gcnArch"

This reverts commit ab303e6440.

Reason for revert: Moved out to future release

Change-Id: I36b046c8681371baa9e0ccb69d46dad633ee5706

hipamd/src/hip_device.cpp

@@ -302,6 +302,8 @@ hipError_t ihipGetDeviceProperties(hipDeviceProp_t* props, hipDevice_t device) {
   deviceProps.pciDeviceID = info.deviceTopology_.pcie.device;
   deviceProps.maxSharedMemoryPerMultiProcessor = info.localMemSizePerCU_;
   deviceProps.canMapHostMemory = 1;
+  // FIXME: This should be removed, targets can have character names as well.
+  deviceProps.gcnArch = isa.versionMajor() * 100 + isa.versionMinor() * 10 + isa.versionStepping();
   sprintf(deviceProps.gcnArchName, "%s", isa.targetId());
   deviceProps.cooperativeLaunch = info.cooperativeGroups_;
   deviceProps.cooperativeMultiDeviceLaunch = info.cooperativeMultiDeviceGroups_;

hipamd/src/hip_peer.cpp

@@ -151,8 +151,7 @@ hipError_t hipDeviceGetP2PAttribute(int* value, hipDeviceP2PAttr attr,
       // Linear layout access is supported if P2P is enabled
       // Opaque Images are supported only on homogeneous systems
       // Might have more conditions to check, in future.
-      if (0 == strncmp(srcDeviceProp.gcnArchName, dstDeviceProp.gcnArchName,
-                      sizeof(srcDeviceProp.gcnArchName))) {
+      if (srcDeviceProp.gcnArch == dstDeviceProp.gcnArch) {
         HIP_RETURN_ONFAIL(canAccessPeer(value, srcDevice, dstDevice));
       } else {
         *value = 0;