[PATCH] drm/bridge: it6505: Remove a redundant check on existence of bridge->encoder

[Laurent Pinchart]

Hi Sui,

Thank you for the patch.

On Sat, May 11, 2024 at 10:10:56PM +0800, Sui Jingfeng wrote:
> In it6505_bridge_attach(), the check on the existence of bridge->encoder
> has already been done in the implementation of drm_bridge_attach(). And
> it is done before the bridge->funcs->attach function hook is called. Hence,
> it is guaranteed that the .encoder member of the struct drm_bridge is not
> NULL when the panel_bridge_attach() is called.
> 
> There is no need to check the existence of bridge->encoder another time,
> remove the redundant checking codes "if (!bridge->encoder) { ... }".
> 
> Signed-off-by: Sui Jingfeng <sui.jingfeng at linux.dev>

Reviewed-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>

> ---
>  drivers/gpu/drm/bridge/ite-it6505.c | 5 -----
>  1 file changed, 5 deletions(-)
> 
> diff --git a/drivers/gpu/drm/bridge/ite-it6505.c b/drivers/gpu/drm/bridge/ite-it6505.c
> index 27334173e911..494030a75dba 100644
> --- a/drivers/gpu/drm/bridge/ite-it6505.c
> +++ b/drivers/gpu/drm/bridge/ite-it6505.c
> @@ -2881,11 +2881,6 @@ static int it6505_bridge_attach(struct drm_bridge *bridge,
>  		return -EINVAL;
>  	}
>  
> -	if (!bridge->encoder) {
> -		dev_err(dev, "Parent encoder object not found");
> -		return -ENODEV;
> -	}
> -
>  	/* Register aux channel */
>  	it6505->aux.drm_dev = bridge->dev;
>  

-- 
Regards,

Laurent Pinchart