The DisplayPort standard defines a special kind of HPD events called IRQ_HPD. These events are used to notify DP Source about the events on the Sink side.
Pass IRQ_HPD events from the EC to the HPD bridge, letting those to be delivered to the DisplayPort driver. Reviewed-by: Pengyu Luo <[email protected]> Acked-by: Heikki Krogerus <[email protected]> Signed-off-by: Dmitry Baryshkov <[email protected]> --- drivers/usb/typec/ucsi/ucsi_huawei_gaokun.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/drivers/usb/typec/ucsi/ucsi_huawei_gaokun.c b/drivers/usb/typec/ucsi/ucsi_huawei_gaokun.c index 57b37fca150c..cb0312e2b8dc 100644 --- a/drivers/usb/typec/ucsi/ucsi_huawei_gaokun.c +++ b/drivers/usb/typec/ucsi/ucsi_huawei_gaokun.c @@ -316,10 +316,13 @@ static void gaokun_ucsi_handle_usb_mode(struct gaokun_ucsi_port *port) /* UCSI callback .connector_status() have set orientation */ if (port->bridge && port->svid == USB_TYPEC_DP_SID) - drm_aux_hpd_bridge_notify(&port->bridge->dev, - port->hpd_state ? - connector_status_connected : - connector_status_disconnected); + drm_aux_hpd_bridge_notify_extra(&port->bridge->dev, + port->hpd_state ? + connector_status_connected : + connector_status_disconnected, + port->hpd_irq ? + DRM_CONNECTOR_DP_IRQ_HPD : + DRM_CONNECTOR_NO_EXTRA_STATUS); gaokun_ec_ucsi_pan_ack(uec->ec, port->idx); } -- 2.47.3
