Merge pull request #146 from AMD-Lightning-Internal/amd/dev/rlieberm/fix_usm_map_logic

[Offload][AMDGPU] fix double inversion of coarse grain usm map logic

Author: ronlieb

offload/plugins-nextgen/amdgpu/src/rtl.cpp

@@ -4096,7 +4096,7 @@ struct AMDGPUDeviceTy : public GenericDeviceTy, AMDGenericDeviceTy {
   }
 
   bool IsGfx90aCoarseGrainUsmMapEnabledImpl() override final {
-    return !EnableGFX90ACoarseGrainUsmMaps;
+    return EnableGFX90ACoarseGrainUsmMaps;
   }
 
   bool hasAPUDeviceImpl() override final { return IsAPU; }

offload/src/OpenMP/Mapping.cpp

@@ -271,8 +271,7 @@ TargetPointerResultTy MappingInfoTy::getTargetPointer(
       // memory as coarse-grained. The usage of coarse-grained memory can be
       // overriden by setting the env-var OMPX_DISABLE_USM_MAPS=1.
       if (Device.RTL->is_gfx90a(Device.DeviceID) && HstPtrBegin &&
-          (!Device.RTL->is_gfx90a_coarse_grain_usm_map_enabled(
-              Device.DeviceID))) {
+          Device.RTL->is_gfx90a_coarse_grain_usm_map_enabled(Device.DeviceID)) {
         Device.RTL->set_coarse_grain_mem_region(Device.DeviceID, HstPtrBegin,
                                                 Size);
         INFO(OMP_INFOTYPE_MAPPING_CHANGED, Device.DeviceID,