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From 39b33ac96c2a539e9ddb832ebe1ec69fbc77b02f Mon Sep 17 00:00:00 2001
From: Harry Wentland <harry.wentland@amd.com>
Date: Fri, 15 Jan 2016 08:58:53 -0500
Subject: [PATCH 0707/1110] drm/amd/dal: Log MST branch connect/disconnect
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
---
drivers/gpu/drm/amd/dal/dc/core/dc_link.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/dal/dc/core/dc_link.c b/drivers/gpu/drm/amd/dal/dc/core/dc_link.c
index c8419a8..3c96810 100644
--- a/drivers/gpu/drm/amd/dal/dc/core/dc_link.c
+++ b/drivers/gpu/drm/amd/dal/dc/core/dc_link.c
@@ -612,8 +612,11 @@ bool dc_link_detect(const struct dc_link *dc_link, bool boot)
if (link->public.type == dc_connection_none)
return true;
- if (link->public.type == dc_connection_mst_branch)
+ if (link->public.type == dc_connection_mst_branch) {
+ LINK_INFO("link=%d, mst branch is now Connected\n",
+ link->public.link_index);
return false;
+ }
break;
}
@@ -712,8 +715,11 @@ bool dc_link_detect(const struct dc_link *dc_link, bool boot)
} else {
/* From Connected-to-Disconnected. */
- if (link->public.type == dc_connection_mst_branch)
+ if (link->public.type == dc_connection_mst_branch) {
+ LINK_INFO("link=%d, mst branch is now Disconnected\n",
+ link->public.link_index);
dc_helpers_dp_mst_stop_top_mgr(link->ctx, &link->public);
+ }
link->public.type = dc_connection_none;
sink_caps.signal = SIGNAL_TYPE_NONE;
--
2.7.4
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