[PATCH 16/30] drm/amd/display: Use the maximum link setting which EDP reported.

[Harry Wentland]

From: Hugo Hu <hugo.hu at amd.com>

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