memset(link_setting, 0, sizeof(*link_setting));
- /* if preferred is specified through AMDDP, use it, if it's enough
- * to drive the mode
- */
- if (link->preferred_link_setting.lane_count !=
- LANE_COUNT_UNKNOWN &&
- link->preferred_link_setting.link_rate !=
- LINK_RATE_UNKNOWN) {
+ if (dc_is_dp_signal(stream->signal) &&
+ link->preferred_link_setting.lane_count != LANE_COUNT_UNKNOWN &&
+ link->preferred_link_setting.link_rate != LINK_RATE_UNKNOWN) {
+ /* if preferred is specified through AMDDP, use it, if it's enough
+ * to drive the mode
+ */
*link_setting = link->preferred_link_setting;
- return true;
- }
-
- /* MST doesn't perform link training for now
- * TODO: add MST specific link training routine
- */
- if (stream->signal == SIGNAL_TYPE_DISPLAY_PORT_MST) {
+ } else if (stream->signal == SIGNAL_TYPE_DISPLAY_PORT_MST) {
+ /* MST doesn't perform link training for now
+ * TODO: add MST specific link training routine
+ */
decide_mst_link_settings(link, link_setting);
} else if (link->connector_signal == SIGNAL_TYPE_EDP) {
/* enable edp link optimization for DSC eDP case */