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Date: Wed, 8 Jul 2026 13:51:01 +0200
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Chaoyi Chen <kernel@airkyi.com>
Cc: Heikki Krogerus <heikki.krogerus@linux.intel.com>,
	Julian Braha <julianbraha@gmail.com>,
	Xu Yang <xu.yang_2@oss.nxp.com>, linux-usb@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	Chaoyi Chen <chaoyi.chen@rock-chips.com>
Subject: Re: [PATCH v2] usb: typec: altmodes: select DRM_AUX_HPD_BRIDGE for
 TYPEC_DP_ALTMODE
Message-ID: <2026070830-tattle-corporal-6fcc@gregkh>
References: <20260705065832.184-1-kernel@airkyi.com>
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In-Reply-To: <20260705065832.184-1-kernel@airkyi.com>

On Sun, Jul 05, 2026 at 02:58:32PM +0800, Chaoyi Chen wrote:
> From: Chaoyi Chen <chaoyi.chen@rock-chips.com>
> 
> When TYPEC_DP_ALTMODE is enabled, DRM_AUX_HPD_BRIDGE is most likely
> also needed for embedded platforms. Select it when available.
> 
> Suggested-by: Xu Yang <xu.yang_2@oss.nxp.com>
> Signed-off-by: Chaoyi Chen <chaoyi.chen@rock-chips.com>
> ---
>  drivers/usb/typec/altmodes/Kconfig | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/usb/typec/altmodes/Kconfig b/drivers/usb/typec/altmodes/Kconfig
> index 7867fa7c405d..1f35b253d6b8 100644
> --- a/drivers/usb/typec/altmodes/Kconfig
> +++ b/drivers/usb/typec/altmodes/Kconfig
> @@ -5,6 +5,7 @@ menu "USB Type-C Alternate Mode drivers"
>  config TYPEC_DP_ALTMODE
>  	tristate "DisplayPort Alternate Mode driver"
>  	depends on DRM
> +	imply DRM_AUX_HPD_BRIDGE if DRM_BRIDGE && OF

I hate "imply", as this just makes things more complex.  Either this is
a dependency or not, right?  Why not fix that?

thanks,

greg k-h