diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
index 21a80f1bb2b9cd9779d475db133b9d70a77ebcec..fabf44b262be395053ad86ba227698d740df2874 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
@@ -99,7 +99,7 @@ struct amdgpu_bo_list_entry;
 #define AMDGPU_MMHUB				1
 
 /* hardcode that limit for now */
-#define AMDGPU_VA_RESERVED_SIZE			(8ULL << 20)
+#define AMDGPU_VA_RESERVED_SIZE			(1ULL << 20)
 
 /* VA hole for 48bit addresses on Vega10 */
 #define AMDGPU_VA_HOLE_START			0x0000800000000000ULL