[PATCH 17/19] drm/msm/dp: Use drm_bridge_hpd_notify()

[Jessica Zhang <jessica.zhang@oss.qualcomm.com>]

Call drm_bridge_hpd_notify() instead of drm_helper_hpd_irq_event(). This
way, we can directly call hpd_notify() via the bridge connector.

Signed-off-by: Jessica Zhang <jessica.zhang@oss.qualcomm.com>
---
 drivers/gpu/drm/msm/dp/dp_display.c | 17 +++++------------
 drivers/gpu/drm/msm/dp/dp_display.h |  1 +
 drivers/gpu/drm/msm/dp/dp_drm.c     |  2 ++
 3 files changed, 8 insertions(+), 12 deletions(-)

diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c
index 3aaa603da4f9..87f2750a99ca 100644
--- a/drivers/gpu/drm/msm/dp/dp_display.c
+++ b/drivers/gpu/drm/msm/dp/dp_display.c
@@ -324,17 +324,6 @@ static const struct component_ops msm_dp_display_comp_ops = {
 	.unbind = msm_dp_display_unbind,
 };
 
-static void msm_dp_display_send_hpd_event(struct msm_dp *msm_dp_display)
-{
-	struct msm_dp_display_private *dp;
-	struct drm_connector *connector;
-
-	dp = container_of(msm_dp_display, struct msm_dp_display_private, msm_dp_display);
-
-	connector = dp->msm_dp_display.connector;
-	drm_helper_hpd_irq_event(connector->dev);
-}
-
 static int msm_dp_display_send_hpd_notification(struct msm_dp_display_private *dp,
 					    bool hpd)
 {
@@ -358,7 +347,11 @@ static int msm_dp_display_send_hpd_notification(struct msm_dp_display_private *d
 
 	drm_dbg_dp(dp->drm_dev, "type=%d hpd=%d\n",
 			dp->msm_dp_display.connector_type, hpd);
-	msm_dp_display_send_hpd_event(&dp->msm_dp_display);
+
+	if (hpd)
+		drm_bridge_hpd_notify(dp->msm_dp_display.bridge, connector_status_connected);
+	else
+		drm_bridge_hpd_notify(dp->msm_dp_display.bridge, connector_status_disconnected);
 
 	return 0;
 }
diff --git a/drivers/gpu/drm/msm/dp/dp_display.h b/drivers/gpu/drm/msm/dp/dp_display.h
index 68bd8be19463..6e12694d5a64 100644
--- a/drivers/gpu/drm/msm/dp/dp_display.h
+++ b/drivers/gpu/drm/msm/dp/dp_display.h
@@ -16,6 +16,7 @@ struct msm_dp {
 	struct platform_device *pdev;
 	struct drm_connector *connector;
 	struct drm_bridge *next_bridge;
+	struct drm_bridge *bridge;
 	bool connected;
 	bool link_ready;
 	bool audio_enabled;
diff --git a/drivers/gpu/drm/msm/dp/dp_drm.c b/drivers/gpu/drm/msm/dp/dp_drm.c
index f222d7ccaa88..b12a43499c54 100644
--- a/drivers/gpu/drm/msm/dp/dp_drm.c
+++ b/drivers/gpu/drm/msm/dp/dp_drm.c
@@ -358,6 +358,8 @@ int msm_dp_bridge_init(struct msm_dp *msm_dp_display, struct drm_device *dev,
 		}
 	}
 
+	msm_dp_display->bridge = bridge;
+
 	return 0;
 }
 

-- 
2.50.1