P4 to Git Change 1529531 by gandryey@gera-w8 on 2018/03/20 11:50:12

SWDEV-79445 - OCL generic changes and code clean-up
	- Fix a regression in the AMF test and reenable the suballoc optimization. Rearrange the locks around cache field access only to avoid calling memory release under the cache lock.

Affected files ...

... //depot/stg/opencl/drivers/opencl/runtime/device/pal/palprogram.cpp#57 edit
... //depot/stg/opencl/drivers/opencl/runtime/device/pal/palresource.cpp#53 edit
... //depot/stg/opencl/drivers/opencl/runtime/device/pal/palresource.hpp#18 edit
... //depot/stg/opencl/drivers/opencl/runtime/utils/flags.hpp#287 edit

rocclr/runtime/utils/flags.hpp

@@ -86,7 +86,7 @@ release(size_t, GPU_PINNED_MIN_XFER_SIZE, 512,                                \
         "The minimal buffer size for pinned read/write transfers in KBytes")  \
 release(size_t, GPU_RESOURCE_CACHE_SIZE, 64,                                  \
         "The resource cache size in MB")                                      \
-release(size_t, GPU_MAX_SUBALLOC_SIZE, 0,                                     \
+release(size_t, GPU_MAX_SUBALLOC_SIZE, 4096,                                  \
         "The maximum size accepted for suballocaitons in KB")                 \
 release(uint, GPU_ASYNC_MEM_COPY, 0,                                          \
         "Enables async memory transfers with DRM engine")                     \