linux-kernel - [PATCH v2 03/28] drm/bridge/analogix: Use drm_bridge

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Date:   Wed, 4 Dec 2019 11:48:04 +0000
From:   Mihail Atanassov <Mihail.Atanassov@....com>
To:     "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>
CC:     Mihail Atanassov <Mihail.Atanassov@....com>, nd <nd@....com>,
        Andrzej Hajda <a.hajda@...sung.com>,
        Neil Armstrong <narmstrong@...libre.com>,
        Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
        Jonas Karlman <jonas@...boo.se>,
        Jernej Skrabec <jernej.skrabec@...l.net>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Maxime Ripard <maxime@...no.tech>, Torsten Duwe <duwe@....de>,
        Icenowy Zheng <icenowy@...c.io>,
        Vasily Khoruzhick <anarsoul@...il.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Brian Masney <masneyb@...tation.org>,
        Sam Ravnborg <sam@...nborg.org>,
        Boris Brezillon <boris.brezillon@...labora.com>,
        Sean Paul <seanpaul@...omium.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: [PATCH v2 03/28] drm/bridge/analogix: Use drm_bridge_init()

No functional change.

The setting of bridge->of_node by drm_bridge_init() in
analogix_dp_core.c is safe, since ->of_node isn't used directly and the
bridge isn't published with drm_bridge_add().

Signed-off-by: Mihail Atanassov <mihail.atanassov@....com>
---
 drivers/gpu/drm/bridge/analogix/analogix-anx6345.c | 5 ++---
 drivers/gpu/drm/bridge/analogix/analogix-anx78xx.c | 8 ++------
 drivers/gpu/drm/bridge/analogix/analogix_dp_core.c | 5 ++---
 3 files changed, 6 insertions(+), 12 deletions(-)

diff --git a/drivers/gpu/drm/bridge/analogix/analogix-anx6345.c b/drivers/gpu/drm/bridge/analogix/analogix-anx6345.c
index b4f3a923a52a..130d5c3a07ef 100644
--- a/drivers/gpu/drm/bridge/analogix/analogix-anx6345.c
+++ b/drivers/gpu/drm/bridge/analogix/analogix-anx6345.c
@@ -696,8 +696,6 @@ static int anx6345_i2c_probe(struct i2c_client *client,
 
 	mutex_init(&anx6345->lock);
 
-	anx6345->bridge.of_node = client->dev.of_node;
-
 	anx6345->client = client;
 	i2c_set_clientdata(client, anx6345);
 
@@ -760,7 +758,8 @@ static int anx6345_i2c_probe(struct i2c_client *client,
 	/* Look for supported chip ID */
 	anx6345_poweron(anx6345);
 	if (anx6345_get_chip_id(anx6345)) {
-		anx6345->bridge.funcs = &anx6345_bridge_funcs;
+		drm_bridge_init(&anx6345->bridge, &client->dev,
+				&anx6345_bridge_funcs, NULL, NULL);
 		drm_bridge_add(&anx6345->bridge);
 
 		return 0;
diff --git a/drivers/gpu/drm/bridge/analogix/analogix-anx78xx.c b/drivers/gpu/drm/bridge/analogix/analogix-anx78xx.c
index 41867be03751..e37892cdc9cf 100644
--- a/drivers/gpu/drm/bridge/analogix/analogix-anx78xx.c
+++ b/drivers/gpu/drm/bridge/analogix/analogix-anx78xx.c
@@ -1214,10 +1214,6 @@ static int anx78xx_i2c_probe(struct i2c_client *client,
 
 	mutex_init(&anx78xx->lock);
 
-#if IS_ENABLED(CONFIG_OF)
-	anx78xx->bridge.of_node = client->dev.of_node;
-#endif
-
 	anx78xx->client = client;
 	i2c_set_clientdata(client, anx78xx);
 
@@ -1321,8 +1317,8 @@ static int anx78xx_i2c_probe(struct i2c_client *client,
 		goto err_poweroff;
 	}
 
-	anx78xx->bridge.funcs = &anx78xx_bridge_funcs;
-
+	drm_bridge_init(&anx78xx->bridge, &client->dev, &anx78xx_bridge_funcs,
+			NULL, NULL);
 	drm_bridge_add(&anx78xx->bridge);
 
 	/* If cable is pulled out, just poweroff and wait for HPD event */
diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
index bb411fe52ae8..4042ba9a98d8 100644
--- a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
+++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
@@ -1585,9 +1585,8 @@ static int analogix_dp_create_bridge(struct drm_device *drm_dev,
 
 	dp->bridge = bridge;
 
-	bridge->driver_private = dp;
-	bridge->funcs = &analogix_dp_bridge_funcs;
-
+	drm_bridge_init(bridge, drm_dev->dev, &analogix_dp_bridge_funcs,
+			NULL, dp);
 	ret = drm_bridge_attach(dp->encoder, bridge, NULL);
 	if (ret) {
 		DRM_ERROR("failed to attach drm bridge\n");
-- 
2.23.0