Subject: Re: linux-next: build failure after merge of the drm-misc tree

From: Stephen Rothwell <[email-masked]>
Date: Thu, 12 Oct 2023 12:27:49 +1100

Hi all,

On Thu, 12 Oct 2023 12:22:09 +1100 Stephen Rothwell <[email-masked]> wrote:
>
> After merging the drm-misc tree, today's linux-next build (x86_64
> allmodconfig) failed like this:
> 
> drivers/usb/typec/altmodes/displayport.c: In function 'dp_altmode_vdm':
> drivers/usb/typec/altmodes/displayport.c:309:33: error: too few arguments to function 'drm_connector_oob_hotplug_event'
>   309 |                                 drm_connector_oob_hotplug_event(dp->connector_fwnode);
>       |                                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> In file included from drivers/usb/typec/altmodes/displayport.c:17:
> include/drm/drm_connector.h:1984:6: note: declared here
>  1984 | void drm_connector_oob_hotplug_event(struct fwnode_handle *connector_fwnode,
>       |      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> 
> Caused by commit
> 
>   fc93835bb0d7 ("drm: Add HPD state to drm_connector_oob_hotplug_event()")
> 
> interacting with commit
> 
>   89434b069e46 ("usb: typec: altmodes/displayport: Signal hpd low when exiting mode")
> 
> from the usb.current tree.
> 
> I have applied the following merge fix patch.
> 
> From: Stephen Rothwell <[email-masked]>
> Date: Thu, 12 Oct 2023 12:17:31 +1100
> Subject: [PATCH] fix up for "drm: Add HPD state to
>  drm_connector_oob_hotplug_event()"
> 
> interacting with commit
> 
>   89434b069e46 ("usb: typec: altmodes/displayport: Signal hpd low when exiting mode")
> 
> Signed-off-by: Stephen Rothwell <[email-masked]>
> ---
>  drivers/usb/typec/altmodes/displayport.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/usb/typec/altmodes/displayport.c b/drivers/usb/typec/altmodes/displayport.c
> index ddfb5b6ace4f..eb0bf08fc97a 100644
> --- a/drivers/usb/typec/altmodes/displayport.c
> +++ b/drivers/usb/typec/altmodes/displayport.c
> @@ -306,7 +306,8 @@ static int dp_altmode_vdm(struct typec_altmode *alt,
>  			dp->data.status = 0;
>  			dp->data.conf = 0;
>  			if (dp->hpd) {
> -				drm_connector_oob_hotplug_event(dp->connector_fwnode);
> +				drm_connector_oob_hotplug_event(dp->connector_fwnode

Pretend that there is a comma at the end of the above line :-)

> +								connector_status_disconnected);
>  				dp->hpd = false;
>  				sysfs_notify(&dp->alt->dev.kobj, "displayport", "hpd");
>  			}
> -- 
> 2.40.1

-- 
Cheers,
Stephen Rothwell