struct display_timing;
/**
+ * edid_get_timing_validate() - Get basic digital display parameters with
+ * mode selection callback
+ *
+ * @param buf Buffer containing EDID data
+ * @param buf_size Size of buffer in bytes
+ * @param timing Place to put preferring timing information
+ * @param panel_bits_per_colourp Place to put the number of bits per
+ * colour supported by the panel. This will be set to
+ * -1 if not available
+ * @param mode_valid Callback validating mode, returning true is mode is
+ * supported, false otherwise.
+ * @parem valid_priv Pointer to private data for mode_valid callback
+ * @return 0 if timings are OK, -ve on error
+ */
+int edid_get_timing_validate(u8 *buf, int buf_size,
+ struct display_timing *timing,
+ int *panel_bits_per_colourp,
+ bool (*mode_valid)(void *priv,
+ const struct display_timing *timing),
+ void *mode_valid_priv);
+
+/**
* edid_get_timing() - Get basic digital display parameters
*
* @param buf Buffer containing EDID data