[PATCH 05/10] drm/amd/display: Program csc matrix as part of stream update

[Bhawanpreet Lakha]

From: SivapiriyanKumarasamy <sivapiriyan.kumarasamy at amd.com>

Add csc_transform struct to dc_stream_update, and program if set when
updating streams

Change-Id: Ib98486736002327a67f60fa2e24879e3b8e765fd
Signed-off-by: SivapiriyanKumarasamy <sivapiriyan.kumarasamy at amd.com>
Reviewed-by: Anthony Koo <Anthony.Koo at amd.com>
Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha at amd.com>
---
 drivers/gpu/drm/amd/display/dc/core/dc.c   | 24 ++++++++++++++++++++++++
 drivers/gpu/drm/amd/display/dc/dc_stream.h |  4 ++++
 2 files changed, 28 insertions(+)

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index df21a63d8aa1..b59480606327 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -379,6 +379,27 @@ bool dc_stream_set_gamut_remap(struct dc *dc, const struct dc_stream_state *stre
 	return ret;
 }
 
+bool dc_stream_program_csc_matrix(struct dc *dc, struct dc_stream_state *stream)
+{
+	int i = 0;
+	bool ret = false;
+	struct pipe_ctx *pipes;
+
+	for (i = 0; i < MAX_PIPES; i++) {
+		if (dc->current_state->res_ctx.pipe_ctx[i].stream
+				== stream) {
+
+			pipes = &dc->current_state->res_ctx.pipe_ctx[i];
+			dc->hwss.program_csc_matrix(pipes,
+			stream->output_color_space,
+			stream->csc_color_matrix.matrix);
+			ret = true;
+		}
+	}
+
+	return ret;
+}
+
 void dc_stream_set_static_screen_events(struct dc *dc,
 		struct dc_stream_state **streams,
 		int num_streams,
@@ -1387,6 +1408,9 @@ static void commit_planes_do_stream_update(struct dc *dc,
 			if (stream_update->gamut_remap)
 				dc_stream_set_gamut_remap(dc, stream);
 
+			if (stream_update->output_csc_transform)
+				dc_stream_program_csc_matrix(dc, stream);
+
 			/* Full fe update*/
 			if (update_type == UPDATE_TYPE_FAST)
 				continue;
diff --git a/drivers/gpu/drm/amd/display/dc/dc_stream.h b/drivers/gpu/drm/amd/display/dc/dc_stream.h
index 1479b41ec177..4a9f7e5daccf 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_stream.h
+++ b/drivers/gpu/drm/amd/display/dc/dc_stream.h
@@ -136,6 +136,7 @@ struct dc_stream_update {
 	struct colorspace_transform *gamut_remap;
 	enum dc_color_space *output_color_space;
 
+	struct dc_csc_transform *output_csc_transform;
 
 };
 
@@ -306,6 +307,9 @@ void dc_stream_set_dither_option(struct dc_stream_state *stream,
 bool dc_stream_set_gamut_remap(struct dc *dc,
 			       const struct dc_stream_state *stream);
 
+bool dc_stream_program_csc_matrix(struct dc *dc,
+				  struct dc_stream_state *stream);
+
 bool dc_stream_get_crtc_position(struct dc *dc,
 				 struct dc_stream_state **stream,
 				 int num_streams,
-- 
2.14.1