P4 to Git Change 1770446 by jujiang@JJ-OCL-w8 on 2019/04/16 10:11:21

SWDEV-182204 - [CQE OCL][QR][DTB-Blocker][RV2][PCO][Windows][RS] Soft hang is observed with multiple OCL applications on PCO, RV | Faulty CL#1747482
	Ocltst test SW hung at sub test OCLCreateBuffer due to the failure of submit command buffer, because of not enough OS memory allocation.
	OCL adds back up GART heap for memory allocation.

	http://ocltc.amd.com/reviews/r/17143/

Affected files ...

... //depot/stg/opencl/drivers/opencl/runtime/device/pal/palresource.cpp#72 edit

rocclr/runtime/device/pal/palresource.cpp

@@ -366,7 +366,9 @@ void Resource::memTypeToHeap(Pal::GpuMemoryCreateInfo* createInfo) {
   createInfo->heapCount = 1;
   switch (memoryType()) {
     case Persistent:
+      createInfo->heapCount = 2;
       createInfo->heaps[0] = Pal::GpuHeapLocal;
+      createInfo->heaps[1] = Pal:: GpuHeapGartUswc;
 #ifdef ATI_OS_LINUX
       // Note: SSG in Linux requires DGMA heap
       if (dev().properties().gpuMemoryProperties.busAddressableMemSize > 0) {
@@ -387,9 +389,10 @@ void Resource::memTypeToHeap(Pal::GpuMemoryCreateInfo* createInfo) {
     case Shader:
     // Fall through to process the memory allocation ...
     case Local:
-      createInfo->heapCount = 2;
+      createInfo->heapCount = 3;
       createInfo->heaps[0] = Pal::GpuHeapInvisible;
       createInfo->heaps[1] = Pal::GpuHeapLocal;
+      createInfo->heaps[2] = Pal::GpuHeapGartUswc;
       break;
     default:
       createInfo->heaps[0] = Pal::GpuHeapLocal;