From 925890201eb29b5a0677d15a0c2f4bf0b772f89b Mon Sep 17 00:00:00 2001
From: Qingqing Zhuo <qingqing.zhuo@amd.com>
Date: Thu, 18 Mar 2021 14:37:06 -0400
Subject: [PATCH] drm/amd/display: add log for automated test
[Why&How]
Add log for easier debug purposes.
Signed-off-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Anson Jacob <Anson.Jacob@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@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);
}