From: Zeyu Fan <Zeyu.Fan@amd.com>
Date: Mon, 5 Jun 2017 17:56:05 -0400
Subject: drm/amd/display: Add function to log connectivity
Git-commit: a235bd9f1ea0c610a5cddfb79f98b651dc8dc5bd
Patch-mainline: v4.15-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166

Signed-off-by: Zeyu Fan <Zeyu.Fan@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c |    6 ++++++
 drivers/gpu/drm/amd/display/dc/basics/log_helpers.c       |    3 +++
 drivers/gpu/drm/amd/display/dc/dm_helpers.h               |    4 ++++
 3 files changed, 13 insertions(+)

--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
@@ -322,6 +322,12 @@ bool dm_helpers_dp_mst_send_payload_allo
 	return true;
 }
 
+bool dm_helpers_dc_conn_log(struct dc_context*ctx, const char *msg)
+{
+	return true;
+}
+
+
 bool dm_helpers_dp_mst_start_top_mgr(
 		struct dc_context *ctx,
 		const struct dc_link *link,
--- a/drivers/gpu/drm/amd/display/dc/basics/log_helpers.c
+++ b/drivers/gpu/drm/amd/display/dc/basics/log_helpers.c
@@ -26,6 +26,7 @@
 #include "core_types.h"
 #include "logger.h"
 #include "include/logger_interface.h"
+#include "dm_helpers.h"
 
 #define NUM_ELEMENTS(a) (sizeof(a) / sizeof((a)[0]))
 
@@ -94,6 +95,8 @@ void dc_conn_log(struct dc_context *ctx,
 			dm_logger_append(&entry, "%2.2X ", hex_data[i]);
 
 	dm_logger_append(&entry, "^\n");
+	dm_helpers_dc_conn_log(ctx, entry.buf);
 	dm_logger_close(&entry);
+
 	va_end(args);
 }
--- a/drivers/gpu/drm/amd/display/dc/dm_helpers.h
+++ b/drivers/gpu/drm/amd/display/dc/dm_helpers.h
@@ -68,6 +68,10 @@ bool dm_helpers_dp_mst_start_top_mgr(
 		const struct dc_link *link,
 		bool boot);
 
+bool dm_helpers_dc_conn_log(
+		struct dc_context*ctx,
+		const char *msg);
+
 void dm_helpers_dp_mst_stop_top_mgr(
 		struct dc_context *ctx,
 		const struct dc_link *link);