P4 to Git Change 1789549 by vsytchen@vsytchen-remote-ocl-win10 on 2019/05/30 10:15:29

SWDEV-188631 - Allocating large buffers produce wrong kernel result on Windows

	1. Set a limit for USWC allocations to 2GB on Windows.
	2. Allocations larger than the specified limit will get placed into pinned memory instead.

	ReviewBoardURL = http://ocltc.amd.com/reviews/r/17407/diff/

Affected files ...

... //depot/stg/opencl/drivers/opencl/runtime/device/pal/paldevice.cpp#138 edit
... //depot/stg/opencl/drivers/opencl/runtime/utils/flags.hpp#310 edit

rocclr/runtime/utils/flags.hpp

@@ -183,6 +183,9 @@ release(bool, GPU_ENABLE_WGP_MODE, true,                                      \
         "Enables WGP Mode in HW if available")                                \
 release(bool, OCL_DUMP_CODE_OBJECT, false,                                    \
         "Enable dump code object")                                    \
+release(uint, GPU_MAX_USWC_ALLOC_SIZE, 2048,                                  \
+        "Set a limit in Mb on the maximum USWC allocation size"               \
+        "-1 = No limit")
 
 namespace amd {