Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6

[sfrench/cifs-2.6.git] / drivers / gpu / drm / drm_crtc_helper.c

diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c
index 764401951041910692901ea9c1489962de3277b8..9b2a54117c91c0a306c41c7eb437b641bbd58b31 100644 (file)
--- a/drivers/gpu/drm/drm_crtc_helper.c
+++ b/drivers/gpu/drm/drm_crtc_helper.c
@@ -860,19 +860,24 @@ static void output_poll_execute(struct slow_work *work)
        }
 }
 
-void drm_kms_helper_poll_init(struct drm_device *dev)
+void drm_kms_helper_poll_disable(struct drm_device *dev)
+{
+       if (!dev->mode_config.poll_enabled)
+               return;
+       delayed_slow_work_cancel(&dev->mode_config.output_poll_slow_work);
+}
+EXPORT_SYMBOL(drm_kms_helper_poll_disable);
+
+void drm_kms_helper_poll_enable(struct drm_device *dev)
 {
-       struct drm_connector *connector;
        bool poll = false;
+       struct drm_connector *connector;
        int ret;
 
        list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
                if (connector->polled)
                        poll = true;
        }
-       slow_work_register_user(THIS_MODULE);
-       delayed_slow_work_init(&dev->mode_config.output_poll_slow_work,
-                              &output_poll_ops);
 
        if (poll) {
                ret = delayed_slow_work_enqueue(&dev->mode_config.output_poll_slow_work, DRM_OUTPUT_POLL_PERIOD);
@@ -880,11 +885,22 @@ void drm_kms_helper_poll_init(struct drm_device *dev)
                        DRM_ERROR("delayed enqueue failed %d\n", ret);
        }
 }
+EXPORT_SYMBOL(drm_kms_helper_poll_enable);
+
+void drm_kms_helper_poll_init(struct drm_device *dev)
+{
+       slow_work_register_user(THIS_MODULE);
+       delayed_slow_work_init(&dev->mode_config.output_poll_slow_work,
+                              &output_poll_ops);
+       dev->mode_config.poll_enabled = true;
+
+       drm_kms_helper_poll_enable(dev);
+}
 EXPORT_SYMBOL(drm_kms_helper_poll_init);
 
 void drm_kms_helper_poll_fini(struct drm_device *dev)
 {
-       delayed_slow_work_cancel(&dev->mode_config.output_poll_slow_work);
+       drm_kms_helper_poll_disable(dev);
        slow_work_unregister_user(THIS_MODULE);
 }
 EXPORT_SYMBOL(drm_kms_helper_poll_fini);