From 9ddbbe4c08e05045c68510b23da4cd5ea9db9b9a Mon Sep 17 00:00:00 2001 From: Hugo Hu 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 Reviewed-by: Tony Cheng Acked-by: Harry Wentland --- 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