drm/bridge: ptn3460: probe connector at the end of bridge attach

Force bridge connector detection at the end of the bridge attach.
This is needed to detect the bridge connector early.

Signed-off-by: Ajay Kumar <ajaykumar.rs@samsung.com>
Acked-by: Inki Dae <inki.dae@samsung.com>
Tested-by: Rahul Sharma <rahul.sharma@samsung.com>
Tested-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Tested-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Tested-by: Sjoerd Simons <sjoerd.simons@collabora.co.uk>
Signed-off-by: Thierry Reding <treding@nvidia.com>

diff --git a/drivers/gpu/drm/bridge/ptn3460.c b/drivers/gpu/drm/bridge/ptn3460.c
index e6d5ae7..9f800a1 100644 (file)
--- a/drivers/gpu/drm/bridge/ptn3460.c
+++ b/drivers/gpu/drm/bridge/ptn3460.c
@@ -281,6 +281,7 @@ int ptn3460_bridge_attach(struct drm_bridge *bridge)
                return -ENODEV;
        }
 
+       ptn_bridge->connector.polled = DRM_CONNECTOR_POLL_HPD;
        ret = drm_connector_init(bridge->dev, &ptn_bridge->connector,
                        &ptn3460_connector_funcs, DRM_MODE_CONNECTOR_LVDS);
        if (ret) {
@@ -296,6 +297,8 @@ int ptn3460_bridge_attach(struct drm_bridge *bridge)
        if (ptn_bridge->panel)
                drm_panel_attach(ptn_bridge->panel, &ptn_bridge->connector);
 
+       drm_helper_hpd_irq_event(ptn_bridge->connector.dev);
+
        return ret;
 }