Commit 710074bb authored by Simon Ser's avatar Simon Ser
Browse files

drm/probe-helper: add drm_kms_helper_connector_hotplug_event 



This function is the same as drm_kms_helper_hotplug_event, but takes
a connector instead of a device.

Signed-off-by: default avatarSimon Ser <contact@emersion.fr>
Reviewed-by: default avatarSam Ravnborg <sam@ravnborg.org>
Acked-by: default avatarHarry Wentland <harry.wentland@amd.com>
Acked-by: default avatarPekka Paalanen <pekka.paalanen@collabora.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211018084707.32253-3-contact@emersion.fr
parent 0d6a8c5e

drivers/gpu/drm/drm_probe_helper.c

+23 −0
Original line number Diff line number Diff line
@@ -604,6 +604,9 @@ EXPORT_SYMBOL(drm_helper_probe_single_connector_modes); 
 *

 * This function must be called from process context with no mode

 * setting locks held.

 *

 * If only a single connector has changed, consider calling

 * drm_kms_helper_connector_hotplug_event() instead.

 */

void drm_kms_helper_hotplug_event(struct drm_device *dev)

{
@@ -616,6 +619,26 @@ void drm_kms_helper_hotplug_event(struct drm_device *dev) 
}

EXPORT_SYMBOL(drm_kms_helper_hotplug_event);



/**

 * drm_kms_helper_connector_hotplug_event - fire off a KMS connector hotplug event

 * @connector: drm_connector which has changed

 *

 * This is the same as drm_kms_helper_hotplug_event(), except it fires a more

 * fine-grained uevent for a single connector.

 */

void drm_kms_helper_connector_hotplug_event(struct drm_connector *connector)

{

	struct drm_device *dev = connector->dev;



	/* send a uevent + call fbdev */

	drm_sysfs_connector_hotplug_event(connector);

	if (dev->mode_config.funcs->output_poll_changed)

		dev->mode_config.funcs->output_poll_changed(dev);



	drm_client_dev_hotplug(dev);

}

EXPORT_SYMBOL(drm_kms_helper_connector_hotplug_event);



static void output_poll_execute(struct work_struct *work)

{

	struct delayed_work *delayed_work = to_delayed_work(work);

include/drm/drm_probe_helper.h

+1 −0
Original line number Diff line number Diff line
@@ -20,6 +20,7 @@ void drm_kms_helper_poll_fini(struct drm_device *dev); 
bool drm_helper_hpd_irq_event(struct drm_device *dev);

bool drm_connector_helper_hpd_irq_event(struct drm_connector *connector);

void drm_kms_helper_hotplug_event(struct drm_device *dev);

void drm_kms_helper_connector_hotplug_event(struct drm_connector *connector);



void drm_kms_helper_poll_disable(struct drm_device *dev);

void drm_kms_helper_poll_enable(struct drm_device *dev);