P4 to Git Change 1379762 by rili@rili-opencl-pal-stg on 2017/03/01 14:16:43

SWDEV-95925 - Implement SVM fine grain system.

Affected files ...

... //depot/stg/opencl/drivers/opencl/runtime/device/pal/palprogram.cpp#34 edit
... //depot/stg/opencl/drivers/opencl/runtime/device/pal/palresource.cpp#25 edit
... //depot/stg/opencl/drivers/opencl/runtime/device/pal/palsettings.cpp#19 edit
... //depot/stg/opencl/drivers/opencl/runtime/device/pal/palvirtual.cpp#44 edit

rocclr/runtime/device/pal/palsettings.cpp

@@ -82,9 +82,6 @@ Settings::Settings()
     // GPU device by default
     apuSystem_  = false;
 
-    // Fine-Grained System is disabled by default
-    svmFineGrainSystem_  = false;
-
     // Disable 64 bit pointers support by default
     use64BitPtr_ = false;
 
@@ -361,12 +358,11 @@ Settings::create(
         // accessing persistent staged buffer may fail if LongIdleDetct is enabled.
         disablePersistent_ = true;
     }
-
-    svmFineGrainSystem_ = calAttr.isSVMFineGrainSystem;
-
-    svmAtomics_ = (calAttr.svmAtomics || calAttr.isSVMFineGrainSystem) ? true : false;
 */
 
+    svmFineGrainSystem_ = palProp.gpuMemoryProperties.flags.iommuv2Support;
+    svmAtomics_         = svmFineGrainSystem_;
+
     // SVM is not currently supported for DX Interop
 #if defined(_WIN32)
     enableExtension(ClKhrD3d9Sharing);