[PATCH 01/14] drm: extract drm_kms_helper_hotplug_event

[Daniel Vetter]

Useful if drivers want to be slightly more clever about hotplug
handling.

Signed-Off-by: Daniel Vetter <daniel.vetter at ffwll.ch>
---
 drivers/gpu/drm/drm_crtc_helper.c |   17 +++++++++++------
 include/drm/drm_crtc_helper.h     |    1 +
 2 files changed, 12 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/drm_crtc_helper.c 
b/drivers/gpu/drm/drm_crtc_helper.c
index 974196a..909a85c 100644
--- a/drivers/gpu/drm/drm_crtc_helper.c
+++ b/drivers/gpu/drm/drm_crtc_helper.c
@@ -918,6 +918,15 @@ int drm_helper_resume_force_mode(struct drm_device *dev)
 }
 EXPORT_SYMBOL(drm_helper_resume_force_mode);

+void drm_kms_helper_hotplug_event(struct drm_device *dev)
+{
+       /* send a uevent + call fbdev */
+       drm_sysfs_hotplug_event(dev);
+       if (dev->mode_config.funcs->output_poll_changed)
+               dev->mode_config.funcs->output_poll_changed(dev);
+}
+EXPORT_SYMBOL(drm_kms_helper_hotplug_event);
+
 #define DRM_OUTPUT_POLL_PERIOD (10*HZ)
 static void output_poll_execute(struct work_struct *work)
 {
@@ -960,12 +969,8 @@ static void output_poll_execute(struct work_struct *work)

        mutex_unlock(&dev->mode_config.mutex);

-       if (changed) {
-               /* send a uevent + call fbdev */
-               drm_sysfs_hotplug_event(dev);
-               if (dev->mode_config.funcs->output_poll_changed)
-                       dev->mode_config.funcs->output_poll_changed(dev);
-       }
+       if (changed)
+               drm_kms_helper_hotplug_event(dev);

        if (repoll)
                queue_delayed_work(system_nrt_wq, delayed_work, 
DRM_OUTPUT_POLL_PERIOD);
diff --git a/include/drm/drm_crtc_helper.h b/include/drm/drm_crtc_helper.h
index 3add00e..9a9288d 100644
--- a/include/drm/drm_crtc_helper.h
+++ b/include/drm/drm_crtc_helper.h
@@ -141,6 +141,7 @@ 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 void drm_kms_helper_hotplug_event(struct drm_device *dev);

 extern void drm_kms_helper_poll_disable(struct drm_device *dev);
 extern void drm_kms_helper_poll_enable(struct drm_device *dev);
-- 
1.7.7.6