Commit 3b85641a authored by Simon Ser's avatar Simon Ser
Browse files

drm/nouveau/disp: use drm_kms_helper_connector_hotplug_event() 



This adds more information to the hotplug uevent and lets user-space
know that it's about a particular connector only.

Signed-off-by: default avatarSimon Ser <contact@emersion.fr>
Cc: Ben Skeggs <bskeggs@redhat.com>
Cc: Lyude Paul <lyude@redhat.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Karol Herbst <kherbst@redhat.com>
Reviewed-by: default avatarLyude Paul <lyude@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230620181547.272476-1-contact@emersion.fr
parent 815d091f

drivers/gpu/drm/nouveau/nouveau_display.c

+14 −3
Original line number Diff line number Diff line
@@ -465,7 +465,8 @@ nouveau_display_hpd_work(struct work_struct *work) 
	struct drm_connector *connector;

	struct drm_connector_list_iter conn_iter;

	u32 pending;

	bool changed = false;

	int changed = 0;

	struct drm_connector *first_changed_connector = NULL;



	pm_runtime_get_sync(dev->dev);
@@ -509,7 +510,12 @@ nouveau_display_hpd_work(struct work_struct *work) 
		if (old_epoch_counter == connector->epoch_counter)

			continue;



		changed = true;

		changed++;

		if (!first_changed_connector) {

			drm_connector_get(connector);

			first_changed_connector = connector;

		}



		drm_dbg_kms(dev, "[CONNECTOR:%d:%s] status updated from %s to %s (epoch counter %llu->%llu)\n",

			    connector->base.id, connector->name,

			    drm_get_connector_status_name(old_status),
@@ -520,9 +526,14 @@ nouveau_display_hpd_work(struct work_struct *work) 
	drm_connector_list_iter_end(&conn_iter);

	mutex_unlock(&dev->mode_config.mutex);



	if (changed)

	if (changed == 1)

		drm_kms_helper_connector_hotplug_event(first_changed_connector);

	else if (changed > 0)

		drm_kms_helper_hotplug_event(dev);



	if (first_changed_connector)

		drm_connector_put(first_changed_connector);



	pm_runtime_mark_last_busy(drm->dev->dev);

noop:

	pm_runtime_put_autosuspend(dev->dev);