diff options
| author | Marc-André Lureau <marcandre.lureau@gmail.com> | 2013-10-18 16:11:28 +0200 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2013-10-23 14:21:07 +0100 |
| commit | b8206d3916c15a2939b85f21673bdf39e4c8d023 (patch) | |
| tree | 28fdc65646c33e46460a8d593df1becda994b512 | |
| parent | 74afee7dd93458ab343d166c745746c6dca993fe (diff) | |
| download | linux-b8206d3916c15a2939b85f21673bdf39e4c8d023.tar.bz2 | |
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: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
| -rw-r--r-- | drivers/gpu/drm/drm_crtc_helper.c | 6 | ||||
| -rw-r--r-- | 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 5fcb9d487672..55ea4ac6fd50 100644 --- a/drivers/gpu/drm/drm_crtc_helper.c +++ b/drivers/gpu/drm/drm_crtc_helper.c @@ -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); diff --git a/include/drm/drm_crtc_helper.h b/include/drm/drm_crtc_helper.h index f43d556bf40b..ef6ad3a8e58e 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); |