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From bc20f1d2333ba1b7daa967104ea641ca894db370 Mon Sep 17 00:00:00 2001
From: Andrew Jiang <Andrew.Jiang@amd.com>
Date: Wed, 13 Sep 2017 11:36:34 -0400
Subject: [PATCH 2479/4131] drm/amd/display: power_down_Hw need signal type to
turnoff backlight
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>
---
drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
index 9e02d74..9060318 100644
--- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
@@ -1166,6 +1166,7 @@ static void power_down_encoders(struct dc *dc)
{
int i;
enum connector_id connector_id;
+ enum signal_type signal = SIGNAL_TYPE_NONE;
for (i = 0; i < dc->link_count; i++) {
connector_id = dal_graphics_object_id_get_connector_id(dc->links[i]->link_id);
if ((connector_id == CONNECTOR_ID_DISPLAY_PORT) ||
@@ -1173,10 +1174,12 @@ static void power_down_encoders(struct dc *dc)
if (!dc->links[i]->wa_flags.dp_keep_receiver_powered)
dp_receiver_power_ctrl(dc->links[i], false);
+ if (connector_id == CONNECTOR_ID_EDP)
+ signal = SIGNAL_TYPE_EDP;
}
dc->links[i]->link_enc->funcs->disable_output(
- dc->links[i]->link_enc, SIGNAL_TYPE_NONE);
+ dc->links[i]->link_enc, signal);
}
}
--
2.7.4
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