drm: run the hpd irq event code directly

All drivers already have a work item to run the hpd code, so we don't
need to launch a new one in the helper code. Dave Airlie mentioned
that the cancel+re-queue might paper over DP related hpd ping-pongs,
hence why this is split out.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c
index 9adbd2b..a8a61e4 100644 (file)
--- a/drivers/gpu/drm/drm_crtc_helper.c
+++ b/drivers/gpu/drm/drm_crtc_helper.c
@@ -1019,12 +1019,9 @@ void drm_kms_helper_poll_enable(struct drm_device *dev)
 }
 EXPORT_SYMBOL(drm_kms_helper_poll_enable);
 
-static void hpd_irq_event_execute(struct work_struct *work);
-
 void drm_kms_helper_poll_init(struct drm_device *dev)
 {
        INIT_DELAYED_WORK(&dev->mode_config.output_poll_work, output_poll_execute);
-       INIT_DELAYED_WORK(&dev->mode_config.hpd_irq_work, hpd_irq_event_execute);
        dev->mode_config.poll_enabled = true;
 
        drm_kms_helper_poll_enable(dev);
@@ -1037,10 +1034,8 @@ void drm_kms_helper_poll_fini(struct drm_device *dev)
 }
 EXPORT_SYMBOL(drm_kms_helper_poll_fini);
 
-static void hpd_irq_event_execute(struct work_struct *work)
+void drm_helper_hpd_irq_event(struct drm_device *dev)
 {
-       struct delayed_work *delayed_work = to_delayed_work(work);
-       struct drm_device *dev = container_of(delayed_work, struct drm_device, mode_config.hpd_irq_work);
        struct drm_connector *connector;
        enum drm_connector_status old_status;
        bool changed = false;
@@ -1071,11 +1066,4 @@ static void hpd_irq_event_execute(struct work_struct *work)
        if (changed)
                drm_kms_helper_hotplug_event(dev);
 }
-
-void drm_helper_hpd_irq_event(struct drm_device *dev)
-{
-       cancel_delayed_work(&dev->mode_config.hpd_irq_work);
-       if (drm_kms_helper_poll)
-               schedule_delayed_work(&dev->mode_config.hpd_irq_work, 0);
-}
 EXPORT_SYMBOL(drm_helper_hpd_irq_event);

diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index ccff8c9..1f5f1d6 100644 (file)
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -793,7 +793,6 @@ struct drm_mode_config {
        /* output poll support */
        bool poll_enabled;
        struct delayed_work output_poll_work;
-       struct delayed_work hpd_irq_work;
 
        /* pointers to standard properties */
        struct list_head property_blob_list;