drm/amdgpu: handle PTE MTYPE in amdgpu_vm_bo_split_mapping

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Xie <AlexBin.Xie@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c

@@ -1113,6 +1113,9 @@ static int amdgpu_vm_bo_split_mapping(struct amdgpu_device *adev,
 	flags &= ~AMDGPU_PTE_EXECUTABLE;
 	flags |= mapping->flags & AMDGPU_PTE_EXECUTABLE;
 
+	flags &= ~AMDGPU_PTE_MTYPE_MASK;
+	flags |= (mapping->flags & AMDGPU_PTE_MTYPE_MASK);
+
 	trace_amdgpu_vm_bo_update(mapping);
 
 	pfn = mapping->offset >> PAGE_SHIFT;