P4 to Git Change 1546955 by vsytchen@vsytchen-ocl-win10 on 2018/04/26 18:13:03

SWDEV-151646 - [Win7_64][VEGA 10] Hard hang/blank screen observed while executing PC MARK8 (Video group chart)

	1. Revert to using max number of command buffers for device queue.

	ReviewBoardURL = http://ocltc.amd.com/reviews/r/14714/diff/

Affected files ...

... //depot/stg/opencl/drivers/opencl/runtime/device/pal/palvirtual.cpp#95 edit

rocclr/runtime/device/pal/palvirtual.cpp

@@ -757,7 +757,7 @@ bool VirtualGPU::create(bool profiling, uint deviceQueueSize, uint rtCUs,
   uint idx = index() % (dev().numComputeEngines() - firstQueue);
   uint64_t residency_limit = dev().properties().gpuMemoryProperties.flags.supportPerSubmitMemRefs ? 0 :
     (dev().properties().gpuMemoryProperties.maxLocalMemSize >> 2);
-  uint max_cmd_buffers = (idx == 0) ? 2 : dev().settings().maxCmdBuffers_;
+  uint max_cmd_buffers = dev().settings().maxCmdBuffers_;
 
   if (dev().numComputeEngines()) {
     //! @todo There is a hang with a mix of user and non user queues.