linux-kernel - Re: [PATCH] usb: typec: ucsi: add DRM

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Message-ID: <2025042551-baggie-brisket-aa8c@gregkh>
Date: Fri, 25 Apr 2025 13:44:06 +0200
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: Arnd Bergmann <arnd@...nel.org>
Cc: Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
	Pengyu Luo <mitltlatltl@...il.com>, Arnd Bergmann <arnd@...db.de>,
	kernel test robot <lkp@...el.com>,
	Abhishek Pandit-Subedi <abhishekpandit@...omium.org>,
	Dmitry Baryshkov <lumag@...nel.org>,
	Pavan Holla <pholla@...omium.org>, linux-usb@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] usb: typec: ucsi: add DRM_BRIDGE dependencies

On Fri, Apr 25, 2025 at 01:30:21PM +0200, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@...db.de>
> 
> Selecting CONFIG_DRM_AUX_HPD_BRIDGE is not allowed when its dependencies
> are not met:
> 
> WARNING: unmet direct dependencies detected for DRM_AUX_HPD_BRIDGE
>   Depends on [n]: HAS_IOMEM [=y] && DRM [=n] && DRM_BRIDGE [=n] && OF [=n]
>   Selected by [m]:
>   - UCSI_HUAWEI_GAOKUN [=m] && USB_SUPPORT [=y] && TYPEC [=y] && TYPEC_UCSI [=m] && EC_HUAWEI_GAOKUN [=m]
> 
> ERROR: modpost: "drm_bridge_hpd_notify" [drivers/gpu/drm/bridge/aux-hpd-bridge.ko] undefined!
> ERROR: modpost: "devm_drm_bridge_add" [drivers/gpu/drm/bridge/aux-hpd-bridge.ko] undefined!
> 
> Add the same dependencies for the new UCSI_HUAWEI_GAOKUN driver to ensure
> it always builds cleanly.
> 
> Fixes: 00327d7f2c8c ("usb: typec: ucsi: add Huawei Matebook E Go ucsi driver")
> Reported-by: kernel test robot <lkp@...el.com>
> Closes: https://lore.kernel.org/oe-kbuild-all/202504140319.dgpbDOJZ-lkp@intel.com/
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> ---
>  drivers/usb/typec/ucsi/Kconfig | 1 +
>  1 file changed, 1 insertion(+)

I just took this version which was sent before yours, sorry:
	https://lore.kernel.org/r/20250417122843.2667008-1-yuehaibing@huawei.com