From: Charlene Liu <charlene.liu@amd.com>
Date: Fri, 1 Sep 2017 12:51:47 -0400
Subject: drm/amd/display: fix crc_source_select use hardcoded color depth
Git-commit: 1b7441b00a986cbed017a13ccf316efb54ab7a4b
Patch-mainline: v4.15-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166

Signed-off-by: Charlene Liu <charlene.liu@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/dce110/dce110_hw_sequencer.c |   20 +++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

--- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
@@ -667,7 +667,25 @@ static enum dc_status bios_parser_crtc_s
 	crtc_source_select.signal = pipe_ctx->stream->signal;
 	crtc_source_select.enable_dp_audio = false;
 	crtc_source_select.sink_signal = pipe_ctx->stream->signal;
-	crtc_source_select.display_output_bit_depth = PANEL_8BIT_COLOR;
+
+	switch (pipe_ctx->stream->timing.display_color_depth) {
+	case COLOR_DEPTH_666:
+		crtc_source_select.display_output_bit_depth = PANEL_6BIT_COLOR;
+		break;
+	case COLOR_DEPTH_888:
+		crtc_source_select.display_output_bit_depth = PANEL_8BIT_COLOR;
+		break;
+	case COLOR_DEPTH_101010:
+		crtc_source_select.display_output_bit_depth = PANEL_10BIT_COLOR;
+		break;
+	case COLOR_DEPTH_121212:
+		crtc_source_select.display_output_bit_depth = PANEL_12BIT_COLOR;
+		break;
+	default:
+		BREAK_TO_DEBUGGER();
+		crtc_source_select.display_output_bit_depth = PANEL_8BIT_COLOR;
+		break;
+	}
 
 	dcb = sink->ctx->dc_bios;