The caller may want to know whether the configuration was changed, and
if an hotplug event was sent.
Signed-off-by: Marc-André Lureau <marcandre.lureau@xxxxxxxxxx>
---
drivers/gpu/drm/drm_crtc_helper.c | 6 ++++--
include/drm/drm_crtc_helper.h | 2 +-
2 files changed, 5 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c
index 6a64749..8712bdc 100644
--- a/drivers/gpu/drm/drm_crtc_helper.c
+++ b/drivers/gpu/drm/drm_crtc_helper.c
@@ -1074,14 +1074,14 @@ 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) {
@@ -1106,5 +1106,7 @@ 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);
diff --git a/include/drm/drm_crtc_helper.h b/include/drm/drm_crtc_helper.h
index f43d556..ef6ad3a 100644
--- a/include/drm/drm_crtc_helper.h
+++ b/include/drm/drm_crtc_helper.h
@@ -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);
--
1.8.3.1
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