drm/bridge: sii902x: convert to of_drm_find_and_get_bridge()

of_drm_find_bridge() is deprecated. Move to its replacement
of_drm_find_and_get_bridge() which gets a bridge reference, and ensure it
is put when done by using the drm_bridge::next_bridge pointer.

Acked-by: Maxime Ripard <mripard@kernel.org>
Link: https://patch.msgid.link/20260109-drm-bridge-alloc-getput-drm_of_find_bridge-2-v2-3-8bad3ef90b9f@bootlin.com
Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>

diff --git a/drivers/gpu/drm/bridge/sii902x.c b/drivers/gpu/drm/bridge/sii902x.c
index 1f0aba28ad1e1b299cedc1681149441b2fa0590a..12497f5ce4ff577cae1e10d6cd387cdd03dd1658 100644 (file)
--- a/drivers/gpu/drm/bridge/sii902x.c
+++ b/drivers/gpu/drm/bridge/sii902x.c
@@ -175,7 +175,6 @@ struct sii902x {
        struct i2c_client *i2c;
        struct regmap *regmap;
        struct drm_bridge bridge;
-       struct drm_bridge *next_bridge;
        struct drm_connector connector;
        struct gpio_desc *reset_gpio;
        struct i2c_mux_core *i2cmux;
@@ -421,7 +420,7 @@ static int sii902x_bridge_attach(struct drm_bridge *bridge,
        int ret;
 
        if (flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR)
-               return drm_bridge_attach(encoder, sii902x->next_bridge,
+               return drm_bridge_attach(encoder, sii902x->bridge.next_bridge,
                                         bridge, flags);
 
        drm_connector_helper_add(&sii902x->connector,
@@ -1204,9 +1203,9 @@ static int sii902x_probe(struct i2c_client *client)
                        return -ENODEV;
                }
 
-               sii902x->next_bridge = of_drm_find_bridge(remote);
+               sii902x->bridge.next_bridge = of_drm_find_and_get_bridge(remote);
                of_node_put(remote);
-               if (!sii902x->next_bridge)
+               if (!sii902x->bridge.next_bridge)
                        return dev_err_probe(dev, -EPROBE_DEFER,
                                             "Failed to find remote bridge\n");
        }