drm/kms: disable/enable poll around switcheroo on/off
Because we aren't in a suspend state the poll will still run when we have switcherooed a card off.
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 7644019..9b2a541 100644
--- a/drivers/gpu/drm/drm_crtc_helper.c
+++ b/drivers/gpu/drm/drm_crtc_helper.c
@@ -860,19 +860,24 @@
}
}
-void drm_kms_helper_poll_init(struct drm_device *dev)
+void drm_kms_helper_poll_disable(struct drm_device *dev)
{
- struct drm_connector *connector;
+ 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)
+{
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 @@
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);