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From 9ddbbe4c08e05045c68510b23da4cd5ea9db9b9a Mon Sep 17 00:00:00 2001
From: Hugo Hu <hugo.hu@amd.com>
Date: Thu, 7 Dec 2017 15:33:22 +0800
Subject: [PATCH 3011/4131] drm/amd/display: Use the maximum link setting which
EDP reported.
Signed-off-by: Hugo Hu <hugo.hu@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <harry.wentland@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 00528b2..61e8c3e 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
--
2.7.4
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