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gpu: nvgpu: ga10b: handling gpcclk requests with GPC floor-swept

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ga10b supports floor-sweeping of GPCs. Check for tegra soc
fuse info, before making gpcclk requests to BPMP for available
GPCs.

Bug 3362403

Change-Id: I3f5e2d85b785098ce3a8c8d7d8a5621446e94c15
Signed-off-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2616898
Reviewed-by: Alex Waterman <alexw@nvidia.com>
Reviewed-by: Seema Khowala <seemaj@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Seshendra Gadagottu
2021-10-26 08:41:50 -07:00
committed by mobile promotions
parent f4ec400d5f
commit a70df981e6
4 changed files with 73 additions and 5 deletions
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7
drivers/gpu/nvgpu/os/linux/fuse.c
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@@ -1,5 +1,5 @@
/*
* Copyright (c) 2017-2020, NVIDIA CORPORATION. All rights reserved.
* Copyright (c) 2017-2021, 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,
@@ -34,6 +34,11 @@ int nvgpu_tegra_fuse_read_gcplex_config_fuse(struct gk20a *g, u32 *val)
return tegra_fuse_readl(FUSE_GCPLEX_CONFIG_FUSE_0, val);
}
int nvgpu_tegra_fuse_read_opt_gpc_disable(struct gk20a *g, u32 *val)
{
return tegra_fuse_readl(FUSE_OPT_GPC_DISABLE_0, val);
}
int nvgpu_tegra_fuse_read_per_device_identifier(struct gk20a *g, u64 *pdi)
{
u32 lo = 0U;