P4 to Git Change 1722452 by skudchad@skudchad_test2_win_opencl on 2018/12/19 13:24:25

SWDEV-145570 - Use Subwindow copy SDMA for D->H and H->D copies if possible or fall back to linebyline copies if unalinged pitch.
	- Set correct flags for SVM finegrain buffer for ROC backend

	ReviewBoardURL = http://ocltc.amd.com/reviews/r/16353/diff/

Affected files ...

... //depot/stg/opencl/drivers/opencl/runtime/device/rocm/rocblit.cpp#27 edit
... //depot/stg/opencl/drivers/opencl/runtime/device/rocm/rocmemory.cpp#41 edit

rocclr/runtime/device/rocm/rocmemory.cpp

@@ -671,6 +671,7 @@ bool Buffer::create() {
     if (owner()->getSvmPtr() == reinterpret_cast<void*>(1)) {
       if (isFineGrain) {
         deviceMemory_ = dev().hostAlloc(size(), 1, false);
+        flags_ |= HostMemoryDirectAccess;
       } else {
         deviceMemory_ = dev().deviceLocalAlloc(size());
       }