This driver obtains a bridge pointer from of_drm_find_bridge() in the probe
function and stores it until driver removal. of_drm_find_bridge() is
deprecated. Move to of_drm_find_and_get_bridge() for the bridge to be
refcounted and use bridge->next_bridge to put the reference on
deallocation.

Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
---
 drivers/gpu/drm/bridge/ite-it66121.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/bridge/ite-it66121.c b/drivers/gpu/drm/bridge/ite-it66121.c
index 0185f61e6e59..9246e9c15a6e 100644
--- a/drivers/gpu/drm/bridge/ite-it66121.c
+++ b/drivers/gpu/drm/bridge/ite-it66121.c
@@ -298,7 +298,6 @@ struct it66121_chip_info {
 struct it66121_ctx {
 	struct regmap *regmap;
 	struct drm_bridge bridge;
-	struct drm_bridge *next_bridge;
 	struct drm_connector *connector;
 	struct device *dev;
 	struct gpio_desc *gpio_reset;
@@ -596,7 +595,7 @@ static int it66121_bridge_attach(struct drm_bridge *bridge,
 	if (!(flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR))
 		return -EINVAL;
 
-	ret = drm_bridge_attach(encoder, ctx->next_bridge, bridge, flags);
+	ret = drm_bridge_attach(encoder, ctx->bridge.next_bridge, bridge, flags);
 	if (ret)
 		return ret;
 
@@ -1543,9 +1542,9 @@ static int it66121_probe(struct i2c_client *client)
 		return -EINVAL;
 	}
 
-	ctx->next_bridge = of_drm_find_bridge(ep);
+	ctx->bridge.next_bridge = of_drm_find_and_get_bridge(ep);
 	of_node_put(ep);
-	if (!ctx->next_bridge) {
+	if (!ctx->bridge.next_bridge) {
 		dev_dbg(ctx->dev, "Next bridge not found, deferring probe\n");
 		return -EPROBE_DEFER;
 	}

-- 
2.52.0

On Tue, 16 Dec 2025 18:58:40 +0100, Luca Ceresoli wrote:
> This driver obtains a bridge pointer from of_drm_find_bridge() in the probe
> function and stores it until driver removal. of_drm_find_bridge() is
> deprecated. Move to of_drm_find_and_get_bridge() for the bridge to be
> refcounted and use bridge->next_bridge to put the reference on
> deallocation.
> 
> [ ... ]

Reviewed-by: Maxime Ripard <mripard@kernel.org>

Thanks!
Maxime