diff --git a/drivers/gpu/drm/drm_debugfs_crc.c b/drivers/gpu/drm/drm_debugfs_crc.c
index 8b0eeeed4d7836df80b001cbdf3c5b4b054996ea..96891c4a6e23b200874afc6b92930d587219ea9f 100644
--- a/drivers/gpu/drm/drm_debugfs_crc.c
+++ b/drivers/gpu/drm/drm_debugfs_crc.c
@@ -363,6 +363,8 @@ int drm_crtc_add_crc_entry(struct drm_crtc *crtc, bool has_frame,
 
 	spin_unlock(&crc->lock);
 
+	wake_up_interruptible(&crc->wq);
+
 	return 0;
 }
 EXPORT_SYMBOL_GPL(drm_crtc_add_crc_entry);