[PATCH 02/37] drm/amd/display: add odm visual confirm

[sunpeng.li at amd.com]

From: Jun Lei <Jun.Lei at amd.com>

[why]
Hard to determine if pipe combine is done with MPC or ODM

[how]
Add new visual confirm type, this will mark each MPCC tree
with a different color

Signed-off-by: Jun Lei <Jun.Lei at amd.com>
Reviewed-by: Yongqiang Sun <yongqiang.sun at amd.com>
Acked-by: Leo Li <sunpeng.li at amd.com>
---
 drivers/gpu/drm/amd/display/dc/dc.h           |  1 +
 .../drm/amd/display/dc/dcn20/dcn20_hwseq.c    | 25 +++++++++++++++++++
 .../drm/amd/display/dc/dcn20/dcn20_hwseq.h    |  4 ++-
 3 files changed, 29 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h
index 5967106826ca..b7e7181bad78 100644
--- a/drivers/gpu/drm/amd/display/dc/dc.h
+++ b/drivers/gpu/drm/amd/display/dc/dc.h
@@ -229,6 +229,7 @@ enum visual_confirm {
 	VISUAL_CONFIRM_DISABLE = 0,
 	VISUAL_CONFIRM_SURFACE = 1,
 	VISUAL_CONFIRM_HDR = 2,
+	VISUAL_CONFIRM_MPCTREE = 4,
 };
 
 enum dcc_option {
diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c
index 6229a8ca0013..e237ec39d193 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c
@@ -1996,6 +1996,28 @@ static void dcn20_reset_hw_ctx_wrap(
 	}
 }
 
+void dcn20_get_mpctree_visual_confirm_color(
+		struct pipe_ctx *pipe_ctx,
+		struct tg_color *color)
+{
+	const struct tg_color pipe_colors[6] = {
+			{MAX_TG_COLOR_VALUE, 0, 0}, // red
+			{MAX_TG_COLOR_VALUE, 0, MAX_TG_COLOR_VALUE}, // yellow
+			{0, MAX_TG_COLOR_VALUE, 0}, // blue
+			{MAX_TG_COLOR_VALUE / 2, 0, MAX_TG_COLOR_VALUE / 2}, // purple
+			{0, 0, MAX_TG_COLOR_VALUE}, // green
+			{MAX_TG_COLOR_VALUE, MAX_TG_COLOR_VALUE * 2 / 3, 0}, // orange
+	};
+
+	struct pipe_ctx *top_pipe = pipe_ctx;
+
+	while (top_pipe->top_pipe) {
+		top_pipe = top_pipe->top_pipe;
+	}
+
+	*color = pipe_colors[top_pipe->pipe_idx];
+}
+
 static void dcn20_update_mpcc(struct dc *dc, struct pipe_ctx *pipe_ctx)
 {
 	struct hubp *hubp = pipe_ctx->plane_res.hubp;
@@ -2013,6 +2035,9 @@ static void dcn20_update_mpcc(struct dc *dc, struct pipe_ctx *pipe_ctx)
 	} else if (dc->debug.visual_confirm == VISUAL_CONFIRM_SURFACE) {
 		dcn10_get_surface_visual_confirm_color(
 				pipe_ctx, &blnd_cfg.black_color);
+	} else if (dc->debug.visual_confirm == VISUAL_CONFIRM_MPCTREE) {
+		dcn20_get_mpctree_visual_confirm_color(
+				pipe_ctx, &blnd_cfg.black_color);
 	}
 
 	if (per_pixel_alpha)
diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.h b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.h
index 9dbc2effa4ea..3098f1049ed7 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.h
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.h
@@ -109,5 +109,7 @@ bool dcn20_set_blend_lut(
 	struct pipe_ctx *pipe_ctx, const struct dc_plane_state *plane_state);
 bool dcn20_set_shaper_3dlut(
 	struct pipe_ctx *pipe_ctx, const struct dc_plane_state *plane_state);
-
+void dcn20_get_mpctree_visual_confirm_color(
+		struct pipe_ctx *pipe_ctx,
+		struct tg_color *color);
 #endif /* __DC_HWSS_DCN20_H__ */
-- 
2.23.0