From a76866132fc27535d6ca6ad91e3fc83156530ae4 Mon Sep 17 00:00:00 2001
From: Wayne Lin <Wayne.Lin@amd.com>
Date: Wed, 22 Jun 2022 10:59:01 +0800
Subject: drm/amd/display: Expose function reset_cur_dp_mst_topology
Git-commit: aec4706b0e70e0cab2d0650b63cf2ddc1b154352
Patch-mainline: v6.0-rc1
References: jsc#PED-1166 jsc#PED-1168 jsc#PED-1170 jsc#PED-1218 jsc#PED-1220 jsc#PED-1222 jsc#PED-1223 jsc#PED-1225 jsc#PED-2849
[Why & How]
Need to leverage this function out of dc_link.c. Change it to public.
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Reviewed-by: Hersen Wu <hersenxs.wu@amd.com>
Acked-by: Alan Liu <HaoPing.Liu@amd.com>
Signed-off-by: Wayne Lin <Wayne.Lin@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/amd/display/dc/core/dc_link.c | 2 +-
drivers/gpu/drm/amd/display/dc/dc_link.h | 3 +++
2 files changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
index 858ee51f930a..ef54b96affa8 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
@@ -845,7 +845,7 @@ static bool discover_dp_mst_topology(struct dc_link *link, enum dc_detect_reason
return link->type == dc_connection_mst_branch;
}
-static bool reset_cur_dp_mst_topology(struct dc_link *link)
+bool reset_cur_dp_mst_topology(struct dc_link *link)
{
bool result = false;
DC_LOGGER_INIT(link->ctx->logger);
diff --git a/drivers/gpu/drm/amd/display/dc/dc_link.h b/drivers/gpu/drm/amd/display/dc/dc_link.h
index 023774b94da3..a0af0f6afeef 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_link.h
+++ b/drivers/gpu/drm/amd/display/dc/dc_link.h
@@ -514,4 +514,7 @@ bool dc_dp_trace_is_logged(struct dc_link *link,
struct dp_trace_lt_counts *dc_dp_trace_get_lt_counts(struct dc_link *link,
bool in_detection);
unsigned int dc_dp_trace_get_link_loss_count(struct dc_link *link);
+
+/* Destruct the mst topology of the link and reset the allocated payload table */
+bool reset_cur_dp_mst_topology(struct dc_link *link);
#endif /* DC_LINK_H_ */
--
2.38.1