From e1ee6c34e34e1348d54650f2f3af48f0888dd50b Mon Sep 17 00:00:00 2001
From: Wayne Lin <Wayne.Lin@amd.com>
Date: Sun, 23 Jan 2022 13:20:14 -0500
Subject: drm/amd/display: Reset preferred training settings immediately
Git-commit: d52e77a3ffcf2da2be1a7892bc8fa67b0e907058
Patch-mainline: v5.18-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
[Why & How]
In order to easily test ilr by immediately reset the preferred training settings,
fix the code to disable skip_immediate_retrain.
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Reviewed-by: Solomon Chiu <solomon.chiu@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@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/amdgpu_dm/amdgpu_dm_debugfs.c | 2 +-
1 file changed, 1 insertion(+), 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 12d437d9a0e4..aca725874bcf 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
@@ -2887,7 +2887,7 @@ static ssize_t edp_ilr_write(struct file *f, const char __user *buf,
kfree(wr_buf);
DRM_DEBUG_DRIVER("Invalid Input value. No HW will be programmed\n");
prefer_link_settings.use_link_rate_set = false;
- dc_link_set_preferred_training_settings(dc, NULL, NULL, link, true);
+ dc_link_set_preferred_training_settings(dc, NULL, NULL, link, false);
return size;
}
--
2.38.1