diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/tests/.kunitconfig b/drivers/gpu/drm/amd/display/amdgpu_dm/tests/.kunitconfig
index bd1bf8d959f9..1e93bd8b44ce 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/tests/.kunitconfig
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/tests/.kunitconfig
@@ -15,6 +15,9 @@ CONFIG_I2C=y
 CONFIG_POWER_SUPPLY=y
 CONFIG_CRC16=y
 
+# Treat warnings as errors
+CONFIG_WERROR=y
+
 # GCOV Coverage - see tools/testing/kunit/configs/coverage_uml.config
 CONFIG_DEBUG_KERNEL=y
 CONFIG_DEBUG_INFO=y