From: Hugo Hu <hugo.hu@xxxxxxx>
Signed-off-by: Hugo Hu <hugo.hu at amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng at amd.com>
Acked-by: Harry Wentland <harry.wentland at amd.com>
---
drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c | 6 ++++++
1 file changed, 6 insertions(+)
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 00528b214a9f..61e8c3e02d16 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
@@ -1470,6 +1470,12 @@ void decide_link_settings(struct dc_stream_state *stream,
return;
}
+ /* EDP use the link cap setting */
+ if (stream->sink->sink_signal == SIGNAL_TYPE_EDP) {
+ *link_setting = link->verified_link_cap;
+ return;
+ }
+
/* search for the minimum link setting that:
* 1. is supported according to the link training result
* 2. could support the b/w requested by the timing
--
2.14.1
