[PATCH 5/6] drm/exynos: hdmi: convert to of_drm_find_and_get_bridge()

Maxime Ripard mripard at kernel.org
Thu Jan 8 00:14:21 PST 2026


On Wed, Jan 07, 2026 at 05:22:03PM +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 at bootlin.com>

Why can't we use next_bridge for this one?

> ---
>  drivers/gpu/drm/exynos/exynos_hdmi.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c
> index 01813e11e6c6..bfcf2fa62fe1 100644
> --- a/drivers/gpu/drm/exynos/exynos_hdmi.c
> +++ b/drivers/gpu/drm/exynos/exynos_hdmi.c
> @@ -1779,7 +1779,7 @@ static int hdmi_bridge_init(struct hdmi_context *hdata)
>  		return -EINVAL;
>  	}
>  
> -	hdata->bridge = of_drm_find_bridge(np);
> +	hdata->bridge = of_drm_find_and_get_bridge(np);
>  	of_node_put(np);
>  
>  	if (!hdata->bridge)
> @@ -2096,6 +2096,8 @@ static void hdmi_remove(struct platform_device *pdev)
>  
>  	put_device(&hdata->ddc_adpt->dev);
>  
> +	drm_bridge_put(hdata->bridge);
> +
>  	mutex_destroy(&hdata->mutex);
>  }

Same story than in your part 2 series, it should be dropped in destroy.

Maxime
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