diff options
| author | Anson Jacob <Anson.Jacob@amd.com> | 2021-08-24 09:32:53 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-11-06 14:11:29 +0100 |
| commit | aac2f68616836cc4dc327abbddc4ab1826a4e323 (patch) | |
| tree | 4d592ded410b2efa35f12d7f271a4916169fa5d1 | |
| parent | 77d029e1e2189f865c566693fdf917defdd3b891 (diff) | |
drm/amd/display: Revert "Directly retrain link from debugfs"
commit 1131cadfd7563975f3a4efcc6f7c1fdc872db38b upstream.
This reverts commit f5b6a20c7ef40599095c796b0500d842ffdbc639.
This patch broke new settings from taking effect. Hotplug is
required for new settings to take effect.
Reviewed-by: Mikita Lipski <mikita.lipski@amd.com>
Acked-by: Mikita Lipski <mikita.lipski@amd.com>
Signed-off-by: Anson Jacob <Anson.Jacob@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c | 3 |
1 files changed, 2 insertions, 1 deletions
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 4c8edfdc3cac..f3e2ef74078a 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; |