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-rw-r--r--drivers/gpu/drm/vc4/vc4_hdmi.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c
index d57c4a5948c8..cb424604484f 100644
--- a/drivers/gpu/drm/vc4/vc4_hdmi.c
+++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
@@ -429,6 +429,7 @@ 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
@@ -441,7 +442,12 @@ 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))