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From 84cbfa00f9bf9513d8f003a412beb6f132bd7e85 Mon Sep 17 00:00:00 2001
From: Charlene Liu <charlene.liu@amd.com>
Date: Mon, 28 Aug 2017 19:35:25 -0400
Subject: [PATCH 1027/4131] drm/amd/display: add backlight control in
blankstream.
Change-Id: I17ff8fe4b031dae5428f8267ec3eb280f79fbbb4
Signed-off-by: Charlene Liu <charlene.liu@amd.com>
Reviewed-by: Krunoslav Kovac <Krunoslav.Kovac@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
---
drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
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 1e3ec04..b8043bd 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
@@ -778,9 +778,11 @@ void dce110_disable_stream(struct pipe_ctx *pipe_ctx)
/* blank at encoder level */
- if (dc_is_dp_signal(pipe_ctx->stream->signal))
+ if (dc_is_dp_signal(pipe_ctx->stream->signal)) {
+ if (pipe_ctx->stream->sink->link->connector_signal == SIGNAL_TYPE_EDP)
+ link->link_enc->funcs->backlight_control(link->link_enc, false);
pipe_ctx->stream_res.stream_enc->funcs->dp_blank(pipe_ctx->stream_res.stream_enc);
-
+ }
link->link_enc->funcs->connect_dig_be_to_fe(
link->link_enc,
pipe_ctx->stream_res.stream_enc->id,
@@ -792,12 +794,15 @@ void dce110_unblank_stream(struct pipe_ctx *pipe_ctx,
struct dc_link_settings *link_settings)
{
struct encoder_unblank_param params = { { 0 } };
+ struct dc_link *link = pipe_ctx->stream->sink->link;
/* only 3 items below are used by unblank */
params.pixel_clk_khz =
pipe_ctx->stream->timing.pix_clk_khz;
params.link_settings.link_rate = link_settings->link_rate;
pipe_ctx->stream_res.stream_enc->funcs->dp_unblank(pipe_ctx->stream_res.stream_enc, ¶ms);
+ if (link->connector_signal == SIGNAL_TYPE_EDP)
+ link->link_enc->funcs->backlight_control(link->link_enc, true);
}
--
2.7.4
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