[PATCH 18/21] drm/amd/display: add log for automated test

[Anson Jacob]

From: Qingqing Zhuo <qingqing.zhuo at amd.com>

[Why&How]
Add log for easier debug purposes.

Signed-off-by: Qingqing Zhuo <qingqing.zhuo at amd.com>
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas at amd.com>
Acked-by: Anson Jacob <Anson.Jacob at amd.com>
---
 drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
index 0b8082a15e24..7d2e433c2275 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
@@ -2902,6 +2902,10 @@ static void dp_test_send_link_test_pattern(struct dc_link *link)
 
 	if (requestColorDepth != COLOR_DEPTH_UNDEFINED
 			&& pipe_ctx->stream->timing.display_color_depth != requestColorDepth) {
+		DC_LOG_DEBUG("%s: original bpc %d, changing to %d\n",
+				__func__,
+				pipe_ctx->stream->timing.display_color_depth,
+				requestColorDepth);
 		pipe_ctx->stream->timing.display_color_depth = requestColorDepth;
 		dp_update_dsc_config(pipe_ctx);
 	}
-- 
2.25.1