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gpu: nvgpu: Hardcode nvlink speed to 20G

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Xavier Chip Product POR was updated to 20G only. No more qual work 
happening for 16G. So we do not plan to support 16G. Now that we have
a single speed left, remove the code added to support nvlink speed from
VBIOS as it is redundant.

JIRA NVGPU-2964

Change-Id: Icd71ebb8271240818e36d40bf73c60f0c5beb6bf
Signed-off-by: tkudav <tkudav@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2284175
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
tkudav
2020-01-23 16:00:02 +05:30
committed by Alex Waterman
parent 8d346debaa
commit 26406a070d
15 changed files with 23 additions and 142 deletions
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20
drivers/gpu/nvgpu/os/linux/nvlink_probe.c
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@@ -1,5 +1,5 @@
/*
* Copyright (c) 2019, NVIDIA CORPORATION. All rights reserved.
* Copyright (c) 2019-2020, NVIDIA CORPORATION. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
@@ -77,23 +77,6 @@ fail:
return -ENODEV;
}
static int nvgpu_nvlink_ops_speed_config(struct nvlink_device *ndev)
{
struct gk20a *g = (struct gk20a *) ndev->priv;
int err;
err = nvgpu_nvlink_speed_config(g);
if (err != 0) {
nvgpu_err(g, "Nvlink speed config failed.\n");
} else {
ndev->speed = g->nvlink.speed;
nvgpu_log(g, gpu_dbg_nvlink, "Nvlink default speed set to %d\n",
ndev->speed);
}
return err;
}
static int nvgpu_nvlink_ops_early_init(struct nvlink_device *ndev)
{
struct gk20a *g = (struct gk20a *) ndev->priv;
@@ -413,7 +396,6 @@ int nvgpu_nvlink_init_ops(struct gk20a *g)
ndev->dev_ops.dev_interface_disable =
nvgpu_nvlink_ops_interface_disable;
ndev->dev_ops.dev_shutdown = nvgpu_nvlink_ops_dev_shutdown;
ndev->dev_ops.dev_speed_config = nvgpu_nvlink_ops_speed_config;
/* Fill in the link struct */
ndev->link.device_id = ndev->device_id;