From: Wenjing Liu <wenjing.liu@xxxxxxx>
[why]
create a dedicated function to make mst link settings decision, so that
the policy's decision is made in a unified place.
Signed-off-by: Wenjing Liu <wenjing.liu@xxxxxxx>
Reviewed-by: Tony Cheng <Tony.Cheng@xxxxxxx>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@xxxxxxx>
---
drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c | 14 +++++++++-----
1 file changed, 9 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
index 1032551f84fc..e8d968af6af3 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
@@ -2431,6 +2431,12 @@ static bool decide_edp_link_settings(struct dc_link *link, struct dc_link_settin
return false;
}
+static bool decide_mst_link_settings(const struct dc_link *link, struct dc_link_settings *link_setting)
+{
+ *link_setting = link->verified_link_cap;
+ return true;
+}
+
void decide_link_settings(struct dc_stream_state *stream,
struct dc_link_settings *link_setting)
{
@@ -2456,11 +2462,9 @@ void decide_link_settings(struct dc_stream_state *stream,
* TODO: add MST specific link training routine
*/
if (stream->signal == SIGNAL_TYPE_DISPLAY_PORT_MST) {
- *link_setting = link->verified_link_cap;
- return;
- }
-
- if (link->connector_signal == SIGNAL_TYPE_EDP) {
+ if (decide_mst_link_settings(link, link_setting))
+ return;
+ } else if (link->connector_signal == SIGNAL_TYPE_EDP) {
if (decide_edp_link_settings(link, link_setting, req_bw))
return;
} else if (decide_dp_link_settings(link, link_setting, req_bw))
--
2.28.0
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