From: Qingqing Zhuo <qingqing.zhuo@amd.com>
Date: Thu, 18 Mar 2021 18:37:06 +0000 (-0400)
Subject: drm/amd/display: add log for automated test
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=925890201eb29b5a0677d15a0c2f4bf0b772f89b;p=linux.git

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>
---

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 0b8082a15e248..7d2e433c22756 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);
 	}