Re: [PATCH 6/7] drm: adv7511: Add link_config feature bit to struct adv7511_chip_info

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Hi Biju,

Thank you for the patch.

On Sun, Aug 13, 2023 at 07:05:11PM +0100, Biju Das wrote:
> The ADV7511 needs link configuration whereas ADV75{33,35} does not need
> it. Add a feature bit link_config to struct adv7511_chip_info to handle
> this difference.
> 
> Signed-off-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx>
> ---
>  drivers/gpu/drm/bridge/adv7511/adv7511.h     | 1 +
>  drivers/gpu/drm/bridge/adv7511/adv7511_drv.c | 7 ++++---
>  2 files changed, 5 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511.h b/drivers/gpu/drm/bridge/adv7511/adv7511.h
> index 2a017bb31a14..627531f48f84 100644
> --- a/drivers/gpu/drm/bridge/adv7511/adv7511.h
> +++ b/drivers/gpu/drm/bridge/adv7511/adv7511.h
> @@ -340,6 +340,7 @@ struct adv7511_chip_info {
>  	const char * const *supply_names;
>  	unsigned int num_supplies;
>  	unsigned has_dsi:1;
> +	unsigned link_config:1;

I would use a bool here too.

I'm not entirely sure about this particular patch, it seems that testing
the chip type would be better. I'm not totally against it though, so

Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>

>  };
>  
>  struct adv7511 {
> diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
> index 66b3f8fcf67d..6974c267b1d5 100644
> --- a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
> +++ b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
> @@ -1208,7 +1208,7 @@ static int adv7511_probe(struct i2c_client *i2c)
>  
>  	memset(&link_config, 0, sizeof(link_config));
>  
> -	if (adv7511->info->type == ADV7511)
> +	if (info->link_config)
>  		ret = adv7511_parse_dt(dev->of_node, &link_config);
>  	else
>  		ret = adv7533_parse_dt(dev->of_node, adv7511);
> @@ -1297,7 +1297,7 @@ static int adv7511_probe(struct i2c_client *i2c)
>  
>  	i2c_set_clientdata(i2c, adv7511);
>  
> -	if (info->type == ADV7511)
> +	if (info->link_config)
>  		adv7511_set_link_config(adv7511, &link_config);
>  
>  	ret = adv7511_cec_init(dev, adv7511);
> @@ -1362,7 +1362,8 @@ static void adv7511_remove(struct i2c_client *i2c)
>  static const struct adv7511_chip_info adv7511_chip_info = {
>  	.type = ADV7511,
>  	.supply_names = adv7511_supply_names,
> -	.num_supplies = ARRAY_SIZE(adv7511_supply_names)
> +	.num_supplies = ARRAY_SIZE(adv7511_supply_names),
> +	.link_config = 1
>  };
>  
>  static const struct adv7511_chip_info adv7533_chip_info = {

-- 
Regards,

Laurent Pinchart



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