drm: apple: Switch link status to BAD if power on fails

Signed-off-by: Janne Grunau <[email protected]>

Author: jannau

drivers/gpu/drm/apple/iomfb_template.c

@@ -829,6 +829,11 @@ void DCP_FW_NAME(iomfb_poweron)(struct apple_dcp *dcp)
 
 	if (ret == 0)
 		dev_warn(dcp->dev, "wait for power timed out\n");
+	else if (ret > 0)
+		dev_info(dcp->dev, "dcp_set_power_state_req returned, %d ms remaining\n", jiffies_to_msecs(ret));
+	if (ret <= 0)
+		drm_connector_set_link_status_property(&dcp->connector->base,
+						       DRM_MODE_LINK_STATUS_BAD);
 
 	kref_put(&cookie->refcount, release_wait_cookie);;