diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index 96618c0c508510e5a4c4ce04ec1a724c4496d7fc..5ef0f994b0bb32a83caa6f9e04cba19172305f09 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -663,7 +663,7 @@ static inline void intel_ring_emit_wa(struct intel_engine_cs *ring,
 	struct drm_device *dev = ring->dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
 
-	if (dev_priv->num_wa_regs >= I915_MAX_WA_REGS)
+	if (WARN_ON(dev_priv->num_wa_regs >= I915_MAX_WA_REGS))
 		return;
 
 	intel_ring_emit(ring, MI_LOAD_REGISTER_IMM(1));