diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c
index eff47465707b..88a0d7d609bc 100644
--- a/drivers/gpu/drm/vc4/vc4_hdmi.c
+++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
@@ -458,6 +458,7 @@ static int vc4_hdmi_connector_detect_ctx(struct drm_connector *connector,
 {
 	struct vc4_hdmi *vc4_hdmi = connector_to_vc4_hdmi(connector);
 	enum drm_connector_status status = connector_status_disconnected;
+	int ret;
 
 	/*
 	 * NOTE: This function should really take vc4_hdmi->mutex, but
@@ -470,7 +471,12 @@ static int vc4_hdmi_connector_detect_ctx(struct drm_connector *connector,
 	 * the lock for now.
 	 */
 
-	WARN_ON(pm_runtime_resume_and_get(&vc4_hdmi->pdev->dev));
+	ret = pm_runtime_resume_and_get(&vc4_hdmi->pdev->dev);
+	if (ret) {
+		drm_err_once(connector->dev, "Failed to retain HDMI power domain: %d\n",
+			     ret);
+		return connector_status_unknown;
+	}
 
 	if (vc4_hdmi->hpd_gpio) {
 		if (gpiod_get_value_cansleep(vc4_hdmi->hpd_gpio))