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From 010741830af50cc66d4b898e8751c744abe31b36 Mon Sep 17 00:00:00 2001
From: Zeyu Fan <Zeyu.Fan@amd.com>
Date: Wed, 29 Mar 2017 17:21:56 -0400
Subject: [PATCH 0316/4131] drm/amd/display: Temporary disable PSR for HBR2 &
HBR3
Signed-off-by: Zeyu Fan <Zeyu.Fan@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
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 d04cad2..6cfd880 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
@@ -2165,7 +2165,8 @@ static void retrieve_link_cap(struct core_link *link)
CONN_DATA_DETECT(link, dpcd_data, sizeof(dpcd_data), "Rx Caps: ");
/* TODO: Confirm if need retrieve_psr_link_cap */
- retrieve_psr_link_cap(link, link->edp_revision);
+ if (link->public.reported_link_cap.link_rate < LINK_RATE_HIGH2)
+ retrieve_psr_link_cap(link, link->edp_revision);
}
void detect_dp_sink_caps(struct core_link *link)
--
2.7.4
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