SWDEV-299940 - Query global memory available on device with HSA attribute HSA_AMD_AGENT_INFO_MEMORY_AVAIL

This reverts commit 06593a072f.

Reason for revert: ROCr query should now be usable in upcoming release.

Change-Id: I2207761ca6af5d585d090bae1af09eb9a8e9bad6


[ROCm/clr commit: a52f5bda8f]

projects/clr/rocclr/device/rocm/rocdevice.cpp

@@ -1669,10 +1669,23 @@ device::VirtualDevice* Device::createVirtualDevice(amd::CommandQueue* queue) {
 bool Device::globalFreeMemory(size_t* freeMemory) const {
   const uint TotalFreeMemory = 0;
   const uint LargestFreeBlock = 1;
+  uint64_t globalAvailMemory;
+  // Queries memory available in bytes across all global pools owned by the agent
+  if (HSA_STATUS_SUCCESS !=
+      hsa_agent_get_info(bkendDevice_,
+                         static_cast<hsa_agent_info_t>(HSA_AMD_AGENT_INFO_MEMORY_AVAIL),
+                         &globalAvailMemory)) {
+    LogError("HSA_AMD_AGENT_INFO_MEMORY_AVAIL query failed.");
+  }
 
-  freeMemory[TotalFreeMemory] = freeMem_ / Ki;
-  freeMemory[TotalFreeMemory] -= (freeMemory[TotalFreeMemory] > HIP_HIDDEN_FREE_MEM * Ki) ?
-                                  HIP_HIDDEN_FREE_MEM * Ki : 0;
+  globalAvailMemory = globalAvailMemory / Ki;
+  if (globalAvailMemory > HIP_HIDDEN_FREE_MEM * Ki) {
+    globalAvailMemory -= HIP_HIDDEN_FREE_MEM * Ki;
+  } else {
+    globalAvailMemory = 0;
+  }
+
+  freeMemory[TotalFreeMemory] = globalAvailMemory;
   // since there is no memory heap on ROCm, the biggest free block is
   // equal to total free local memory
   freeMemory[LargestFreeBlock] = freeMemory[TotalFreeMemory];