[PATCH 18/19] drm/amd/display: Revert "Directly retrain link from debugfs"

[Mikita Lipski]

From: Anson Jacob <Anson.Jacob at amd.com>

This reverts commit "drm/amd/display: Directly retrain link from debugfs".

This patch broke new settings from taking effect. Hotplug is
required for new settings to take effect.

Reviewed-by: Mikita Lipski <mikita.lipski at amd.com>
Acked-by: Mikita Lipski <mikita.lipski at amd.com>
Signed-off-by: Anson Jacob <Anson.Jacob at amd.com>
---
 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
index 87daa78a32b8..f3ada9b6be5a 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
@@ -247,6 +247,7 @@ static ssize_t dp_link_settings_write(struct file *f, const char __user *buf,
 {
 	struct amdgpu_dm_connector *connector = file_inode(f)->i_private;
 	struct dc_link *link = connector->dc_link;
+	struct dc *dc = (struct dc *)link->dc;
 	struct dc_link_settings prefer_link_settings;
 	char *wr_buf = NULL;
 	const uint32_t wr_buf_size = 40;
@@ -313,7 +314,7 @@ static ssize_t dp_link_settings_write(struct file *f, const char __user *buf,
 	prefer_link_settings.lane_count = param[0];
 	prefer_link_settings.link_rate = param[1];
 
-	dp_retrain_link_dp_test(link, &prefer_link_settings, false);
+	dc_link_set_preferred_training_settings(dc, &prefer_link_settings, NULL, link, true);
 
 	kfree(wr_buf);
 	return size;
-- 
2.25.1