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Commit b8206d39 authored by Marc-André Lureau's avatar Marc-André Lureau Committed by Dave Airlie
Browse files

drm: return if changed in drm_helper_hpd_irq_event() 



The caller may want to know whether the configuration was changed, and
if an hotplug event was sent.

Signed-off-by: default avatarMarc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent 74afee7d

drivers/gpu/drm/drm_crtc_helper.c

+4 −2
Original line number Diff line number Diff line
@@ -1131,14 +1131,14 @@ void drm_kms_helper_poll_fini(struct drm_device *dev) 
}

EXPORT_SYMBOL(drm_kms_helper_poll_fini);



void drm_helper_hpd_irq_event(struct drm_device *dev)

bool drm_helper_hpd_irq_event(struct drm_device *dev)

{

	struct drm_connector *connector;

	enum drm_connector_status old_status;

	bool changed = false;



	if (!dev->mode_config.poll_enabled)

		return;

		return false;



	mutex_lock(&dev->mode_config.mutex);

	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
@@ -1163,5 +1163,7 @@ void drm_helper_hpd_irq_event(struct drm_device *dev) 


	if (changed)

		drm_kms_helper_hotplug_event(dev);



	return changed;

}

EXPORT_SYMBOL(drm_helper_hpd_irq_event);

include/drm/drm_crtc_helper.h

+1 −1
Original line number Diff line number Diff line
@@ -163,7 +163,7 @@ static inline void drm_connector_helper_add(struct drm_connector *connector, 
extern int drm_helper_resume_force_mode(struct drm_device *dev);

extern void drm_kms_helper_poll_init(struct drm_device *dev);

extern void drm_kms_helper_poll_fini(struct drm_device *dev);

extern void drm_helper_hpd_irq_event(struct drm_device *dev);

extern bool drm_helper_hpd_irq_event(struct drm_device *dev);

extern void drm_kms_helper_hotplug_event(struct drm_device *dev);



extern void drm_kms_helper_poll_disable(struct drm_device *dev);