Re: [PATCH] drm/nouveau: Resolve the issue of VGA not detecting disconnection

[Thomas Zimmermann <tzimmermann@suse.de>]

Am 27.10.25 um 04:16 schrieb 2564278112@qq.com:
> From: Wang Jiang <jiangwang@kylinos.cn>
>
> When using the GT730, I found that the VGA could recognize when it was plugged in,
> but could not detect when it was disconnected.
> The reason is that the polled flag for the connector is missing DRM_CONNECTOR_POLL_DISCONNECT.
>
> Signed-off-by: Wang Jiang <jiangwang@kylinos.cn>

Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>

> ---
>   drivers/gpu/drm/nouveau/nouveau_connector.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.c b/drivers/gpu/drm/nouveau/nouveau_connector.c
> index 63621b1510f6..dfff01edf65a 100644
> --- a/drivers/gpu/drm/nouveau/nouveau_connector.c
> +++ b/drivers/gpu/drm/nouveau/nouveau_connector.c
> @@ -1421,7 +1421,7 @@ nouveau_connector_create(struct drm_device *dev, int index)
>   	connector->doublescan_allowed = false;
>   
>   	drm_connector_helper_add(connector, &nouveau_connector_helper_funcs);
> -	connector->polled = DRM_CONNECTOR_POLL_CONNECT;
> +	connector->polled = DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT;
>   
>   	if (nvif_object_constructed(&nv_connector->conn.object)) {
>   		ret = nvif_conn_event_ctor(&nv_connector->conn, "kmsHotplug",

-- 
--
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Frankenstrasse 146, 90461 Nuernberg, Germany
GF: Ivo Totev, Andrew Myers, Andrew McDonald, Boudien Moerman
HRB 36809 (AG Nuernberg)