P4 to Git Change 1478018 by gandryey@gera-w8 on 2017/11/02 12:11:10

SWDEV-136068 - PAL support for Linux Pro: SSG support on OpenCL 1.2
	- Enable DGMA memory allocation for persistent memory under Linux, since it's SSG requirement

Affected files ...

... //depot/stg/opencl/drivers/opencl/runtime/device/pal/palresource.cpp#39 edit

rocclr/runtime/device/pal/palresource.cpp

@@ -370,6 +370,12 @@ void Resource::memTypeToHeap(Pal::GpuMemoryCreateInfo* createInfo) {
   switch (memoryType()) {
     case Persistent:
       createInfo->heaps[0] = Pal::GpuHeapLocal;
+#ifdef ATI_OS_LINUX
+      // Note: SSG in Linux requires DGMA heap
+      if (dev().properties().gpuMemoryProperties.busAddressableMemSize > 0) {
+        createInfo->flags.busAddressable = true;
+      }
+#endif
       break;
     case RemoteUSWC:
       createInfo->heaps[0] = Pal::GpuHeapGartUswc;