Re: [PATCH v3 5/6] drm/probe-helper: use drm_kms_helper_connector_hotplug_event

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On Friday, October 15th, 2021 at 22:03, Sam Ravnborg <sam@xxxxxxxxxxxx> wrote:

> This code is a little confusing to read.
>
> In case we have only one connector with a change we hit the else part.
> What we really want to find out is if we have one or more connectors
> with a change.
> We could do something like:
>
> 	struct drm_connector *changed_connector = NULL;
> 	int changes = 0;
>
>
> 	...
>
> 	/* Find if we have one or more changed connectors */
> 	drm_for_each_connector_iter(connector, &conn_iter) {
> 		if (!(connector->polled & DRM_CONNECTOR_POLL_HPD))
> 			continue;
>
> 		if (check_connector_changed(connector)) {
> 			if (!changes) {
> 				changed_connector = connector;
> 				drm_connector_get(changed_connector);
> 			}
>
> 			changes++;
> 		}
> 	}
> 	drm_connector_list_iter_end(&conn_iter);
> 	mutex_unlock(&dev->mode_config.mutex);
>
> 	if (changes == 1)
> 		drm_kms_helper_connector_hotplug_event(changed_connector);
> 	else if (changes > 1)
> 		drm_kms_helper_hotplug_event(dev);
>
> 	if (changed_connector)
> 		drm_connector_put(changed_connector);
>
>
> Maybe the only reason why I think this is better is bc I wrote it?!?

Ah, it's not just you, this version is much better. Thanks for the suggestion,
will do that in the next version!




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