[PATCH v2 03/28] drm/bridge/analogix: Use drm_bridge_init()

From: Mihail Atanassov
Date: Wed Dec 04 2019 - 06:54:10 EST


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@xxxxxxx>
---
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