drm/amdgpu: check domain sanity in amdgpu_bo_pin_restricted()

abort if the bo is pined to other domain already
Signed-off-by: NFlora Cui <Flora.Cui@amd.com>
Reviewed-by: NMichel Dänzer <michel.daenzer@amd.com>
Reviewed-by: NChristian König <christian.koenig@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>

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

@@ -520,6 +520,11 @@ int amdgpu_bo_pin_restricted(struct amdgpu_bo *bo, u32 domain,
 		return -EINVAL;
 
 	if (bo->pin_count) {
+		uint32_t mem_type = bo->tbo.mem.mem_type;
+
+		if (domain != amdgpu_mem_type_to_domain(mem_type))
+			return -EINVAL;
+
 		bo->pin_count++;
 		if (gpu_addr)
 			*gpu_addr = amdgpu_bo_gpu_offset(bo);