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From 4554a97db5ddf1d01abe5827991fb847b55463ff Mon Sep 17 00:00:00 2001
From: Charlene Liu <charlene.liu@amd.com>
Date: Thu, 3 Aug 2017 13:04:44 -0400
Subject: [PATCH 0733/4131] drm/amd/display: fix eDP power down sequence
Signed-off-by: Charlene Liu <charlene.liu@amd.com>
Reviewed-by: Anthony Koo <Anthony.Koo@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c | 15 +++++++++------
1 file changed, 9 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c
index 8225687..d19c663 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c
@@ -90,10 +90,13 @@ void dp_enable_link_phy(
if (dc_is_dp_sst_signal(signal)) {
if (signal == SIGNAL_TYPE_EDP) {
link_enc->funcs->power_control(link_enc, true);
+ link_enc->funcs->enable_dp_output(
+ link_enc,
+ link_settings,
+ clock_source);
link_enc->funcs->backlight_control(link_enc, true);
- }
-
- link_enc->funcs->enable_dp_output(
+ } else
+ link_enc->funcs->enable_dp_output(
link_enc,
link_settings,
clock_source);
@@ -114,10 +117,10 @@ void dp_disable_link_phy(struct dc_link *link, enum signal_type signal)
if (signal == SIGNAL_TYPE_EDP) {
link->link_enc->funcs->backlight_control(link->link_enc, false);
+ link->link_enc->funcs->disable_output(link->link_enc, signal);
link->link_enc->funcs->power_control(link->link_enc, false);
- }
-
- link->link_enc->funcs->disable_output(link->link_enc, signal);
+ } else
+ link->link_enc->funcs->disable_output(link->link_enc, signal);
/* Clear current link setting.*/
memset(&link->cur_link_settings, 0,
--
2.7.4
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