diff --git a/amdgpu/amdgpu_device.c b/amdgpu/amdgpu_device.c
index 6ee25a9e..ca0c7987 100644
--- a/amdgpu/amdgpu_device.c
+++ b/amdgpu/amdgpu_device.c
@@ -264,27 +264,29 @@ int amdgpu_device_initialize(int fd,
 		goto cleanup;
 	}
 
-	if (dev->dev_info.high_va_offset && dev->dev_info.high_va_max) {
-		start = dev->dev_info.high_va_offset;
-		max = dev->dev_info.high_va_max;
-	} else {
-		start = dev->dev_info.virtual_address_offset;
-		max = dev->dev_info.virtual_address_max;
-	}
-
-	max = MIN2(max, (start & ~0xffffffffULL) + 0x100000000ULL);
+	start = dev->dev_info.virtual_address_offset;
+	max = MIN2(dev->dev_info.virtual_address_max, 0x100000000ULL);
 	amdgpu_vamgr_init(&dev->vamgr_32, start, max,
 			  dev->dev_info.virtual_address_alignment);
 	dev->address32_hi = start >> 32;
 
 	start = max;
-	if (dev->dev_info.high_va_offset && dev->dev_info.high_va_max)
-		max = dev->dev_info.high_va_max;
-	else
-		max = dev->dev_info.virtual_address_max;
+	max = MAX2(dev->dev_info.virtual_address_max, 0x100000000ULL);
 	amdgpu_vamgr_init(&dev->vamgr, start, max,
 			  dev->dev_info.virtual_address_alignment);
 
+	start = dev->dev_info.high_va_offset;
+	max = MIN2(dev->dev_info.high_va_max, (start & ~0xffffffffULL) +
+		   0x100000000ULL);
+	amdgpu_vamgr_init(&dev->vamgr_high_32, start, max,
+			  dev->dev_info.virtual_address_alignment);
+
+	start = max;
+	max = MAX2(dev->dev_info.high_va_max, (start & ~0xffffffffULL) +
+		   0x100000000ULL);
+	amdgpu_vamgr_init(&dev->vamgr_high, start, max,
+			  dev->dev_info.virtual_address_alignment);
+
 	amdgpu_parse_asic_ids(dev);
 
 	*major_version = dev->major_version;
diff --git a/amdgpu/amdgpu_internal.h b/amdgpu/amdgpu_internal.h
index dd0c3a61..423880ed 100644
--- a/amdgpu/amdgpu_internal.h
+++ b/amdgpu/amdgpu_internal.h
@@ -84,10 +84,14 @@ struct amdgpu_device {
 	pthread_mutex_t bo_table_mutex;
 	struct drm_amdgpu_info_device dev_info;
 	struct amdgpu_gpu_info info;
-	/** The global VA manager for the whole virtual address space */
+	/** The VA manager for the lower virtual address space */
 	struct amdgpu_bo_va_mgr vamgr;
 	/** The VA manager for the 32bit address space */
 	struct amdgpu_bo_va_mgr vamgr_32;
+	/** The VA manager for the high virtual address space */
+	struct amdgpu_bo_va_mgr vamgr_high;
+	/** The VA manager for the 32bit high address space */
+	struct amdgpu_bo_va_mgr vamgr_high_32;
 };
 
 struct amdgpu_bo {