wsl/hsakmt: add supporting contiguous memory allocation

Reviewed-by: Longlong Yao <Longlong.Yao@amd.com>
Signed-off-by: tiancyin <tianci.yin@amd.com>

wddm/gpu_memory.cpp

@@ -59,6 +59,7 @@ ErrorCode GpuMemory::Init(const GpuMemoryCreateInfo &create_info) {
   desc_.engine_flag = create_info.engine_flag;
   desc_.flags.is_virtual = create_info.flags.virtual_alloc;
   desc_.flags.is_physical_only = create_info.flags.physical_only;
+  desc_.flags.is_physical_contiguous = create_info.flags.physical_contiguous;
   desc_.flags.is_shared = create_info.flags.interprocess;
   desc_.flags.is_locked = create_info.flags.locked;
 
@@ -303,6 +304,10 @@ ErrorCode GpuMemory::CreatePhysicalMemory() {
   args.NumAllocations = num_allocations;
   args.pAllocationInfo2 = alloc_info;
 
+  /* The PhysicallyContiguous flag causes allocation failure
+   * args.Flags.PhysicallyContiguous = IsPhysicalContiguous();
+   */
+
   SharedHandleInfo shared_info;
   if (IsShared()) {
     shared_info.size = desc_.size;