diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c
index a914dd8183b5..b49098931d19 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c
@@ -124,7 +124,7 @@ static int gmc_v6_0_init_microcode(struct amdgpu_device *adev)
 		chip_name = "hainan";
 		break;
 	default:
-		BUG();
+		return -EINVAL;
 	}
 
 	/* this memory configuration requires special firmware */