Re: [PATCH v2] usb: typec: altmodes: select DRM_AUX_HPD_BRIDGE for TYPEC_DP_ALTMODE

From: Chaoyi Chen

Date: Thu Jul 09 2026 - 00:16:50 EST


Hello Greg,

On 7/8/2026 7:51 PM, Greg Kroah-Hartman wrote:
> On Sun, Jul 05, 2026 at 02:58:32PM +0800, Chaoyi Chen wrote:
>> From: Chaoyi Chen <chaoyi.chen@xxxxxxxxxxxxxx>
>>
>> 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@xxxxxxxxxxx>
>> Signed-off-by: Chaoyi Chen <chaoyi.chen@xxxxxxxxxxxxxx>
>> ---
>> 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?
>

Perhaps we can just use the v1 content directly?
Hopefully that's already simple enough.

https://lore.kernel.org/all/20260702022036.44-1-kernel@xxxxxxxxxx/

> thanks,
>
> greg k-h
>
>

--
Best,
Chaoyi