gpu/drm/drm_probe_helper.c

55  * It also provides support for polling connectors with a work item and for
228  * drm_kms_helper_poll_enable - re-enable output polling.
231  * This function re-enables the output polling work, after it has been
236  * not an error to call this even when output polling isn't enabled.
238  * Note that calls to enable and disable polling must be strictly ordered, which
495 	/* Re-enable polling in case the global poll config changed. */  in drm_helper_probe_single_connector_modes()
649 		 * want any hotplug detection at all for polling. */  in output_poll_execute()
712  * to select distinct code paths for output polling versus other contexts.
715  * the autosuspend worker wherein the latter waits for polling to finish
729  * drm_kms_helper_poll_disable - disable output polling
732  * This function disables the output polling work.
735  * not an error to call this even when output polling isn't enabled or already
736  * disabled. Polling is re-enabled by calling drm_kms_helper_poll_enable().
738  * Note that calls to enable and disable polling must be strictly ordered, which
751  * drm_kms_helper_poll_init - initialize and enable output polling
754  * This function intializes and then also enables output polling support for
764  * completely ignored by the polling logic.
779  * drm_kms_helper_poll_fini - disable output polling and clean it up