From: Ajay Kumar <ajaykumar.rs@samsung.com>
Date: Tue, 20 Jan 2015 16:38:48 +0000 (+0530)
Subject: drm/bridge: ptn3460: probe connector at the end of bridge attach
X-Git-Tag: firefly_0821_release~176^2~2312^2~23^2~8
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=a1899953c031aba0467b5fa0b63dd9b594aa658e;p=firefly-linux-kernel-4.4.55.git

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 e6d5ae741a41..9f800a1ab385 100644
--- 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;
 }