From: Eric Yang <Eric.Yang2@amd.com>
Date: Fri, 3 Nov 2017 17:58:42 -0400
Subject: drm/amd/display: combine output signal and signal
Git-commit: e14ca957797470978cf2a8b18c1a136b6cb7dc8f
Patch-mainline: v4.16-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166

output signal used to be a public member to be used by DM to override
the stream signal. Now since there is no longer separation between
public and private part of stream, they are combined. The overriding
was not working properly as well, which is addressed by this change

Signed-off-by: Eric Yang <Eric.Yang2@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
 drivers/gpu/drm/amd/display/dc/core/dc_stream.c |   15 ++++++---------
 drivers/gpu/drm/amd/display/dc/dc.h             |    2 --
 2 files changed, 6 insertions(+), 11 deletions(-)

--- a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c
@@ -36,16 +36,13 @@
 #define TMDS_MAX_PIXEL_CLOCK_IN_KHZ_UPMOST 297000
 static void update_stream_signal(struct dc_stream_state *stream)
 {
-	if (stream->output_signal == SIGNAL_TYPE_NONE) {
-		struct dc_sink *dc_sink = stream->sink;
 
-		if (dc_sink->sink_signal == SIGNAL_TYPE_NONE)
-			stream->signal = stream->sink->link->connector_signal;
-		else
-			stream->signal = dc_sink->sink_signal;
-	} else {
-		stream->signal = stream->output_signal;
-	}
+	struct dc_sink *dc_sink = stream->sink;
+
+	if (dc_sink->sink_signal == SIGNAL_TYPE_NONE)
+		stream->signal = stream->sink->link->connector_signal;
+	else
+		stream->signal = dc_sink->sink_signal;
 
 	if (dc_is_dvi_signal(stream->signal)) {
 		if (stream->timing.pix_clk_khz > TMDS_MAX_PIXEL_CLOCK_IN_KHZ_UPMOST &&
--- a/drivers/gpu/drm/amd/display/dc/dc.h
+++ b/drivers/gpu/drm/amd/display/dc/dc.h
@@ -579,8 +579,6 @@ struct dc_stream_state {
 	struct colorspace_transform gamut_remap_matrix;
 	struct csc_transform csc_color_matrix;
 
-	enum signal_type output_signal;
-
 	enum dc_color_space output_color_space;
 	enum dc_dither_option dither_option;