- * @brief Get whether the commit-per-vblank functionality is enabled or not.
- * @param[in] dpy A display object
- * @return 1 if enabled. Otherwise, 0.
- *
- * @deprecated use @c tdm_helper_output_commit_per_vblank_enabled instead
+ * @brief Get whether the commit-per-vblank functionality is enabled or not for the output.
+ * @param[in] output An output the functionality has to be checked for
+ * @return -1 if error occurred, 1 if enabled, 0 if disabled.