Re: [PATCH 09/12] drm/bridge: imx8qxp-ldb: convert to of_drm_find_and_get_bridge()

[Maxime Ripard]

Hi,

On Wed, Jan 07, 2026 at 02:13:00PM +0100, Luca Ceresoli wrote:
> 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.
> 
> Signed-off-by: Luca Ceresoli <luca.ceresoli@xxxxxxxxxxx>
> ---
>  drivers/gpu/drm/bridge/imx/imx8qxp-ldb.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/bridge/imx/imx8qxp-ldb.c b/drivers/gpu/drm/bridge/imx/imx8qxp-ldb.c
> index 122502968927..6b80d798b27a 100644
> --- a/drivers/gpu/drm/bridge/imx/imx8qxp-ldb.c
> +++ b/drivers/gpu/drm/bridge/imx/imx8qxp-ldb.c
> @@ -552,7 +552,7 @@ static int imx8qxp_ldb_parse_dt_companion(struct imx8qxp_ldb *imx8qxp_ldb)
>  		goto out;
>  	}
>  
> -	imx8qxp_ldb->companion = of_drm_find_bridge(companion_port);
> +	imx8qxp_ldb->companion = of_drm_find_and_get_bridge(companion_port);
>  	if (!imx8qxp_ldb->companion) {
>  		ret = -EPROBE_DEFER;
>  		DRM_DEV_DEBUG_DRIVER(dev,
> @@ -679,6 +679,7 @@ static void imx8qxp_ldb_remove(struct platform_device *pdev)
>  	struct ldb *ldb = &imx8qxp_ldb->base;
>  
>  	ldb_remove_bridge_helper(ldb);
> +	drm_bridge_put(imx8qxp_ldb->companion);

the companion bridge is used in pretty much every KMS hook, we need to
put the reference in destroy.

Maxime

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