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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
Download Patch File Download Diff File Expand all files Collapse all files

13
drivers/gpu/nvgpu/include/nvgpu/fuse.h
View File

@@ -94,6 +94,19 @@ int nvgpu_tegra_fuse_read_reserved_calib(struct gk20a *g, u32 *val);
*/
int nvgpu_tegra_fuse_read_gcplex_config_fuse(struct gk20a *g, u32 *val);
/**
* @brief - Reads FUSE_OPT_GPC_DISABLE_0 fuse.
*
* @param g [in] - GPU super structure.
* @param val [out] - Populated with register FUSE_OPT_GPC_DISABLE_0 value.
*
* - Provide information about the GPU GPC floor-sweep info
*
* @return 0 on success or negative value on failure.
*
*/
int nvgpu_tegra_fuse_read_opt_gpc_disable(struct gk20a *g, u32 *val);
/**
* @brief - Reads the per-device identifier fuses.
*

6
drivers/gpu/nvgpu/include/nvgpu/linux/soc_fuse.h
View File

@@ -1,5 +1,5 @@
/*
* Copyright (c) 2020, NVIDIA CORPORATION. All rights reserved.
* Copyright (c) 2020-2021, 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,
@@ -33,6 +33,10 @@
#define FUSE_RESERVED_CALIB0_0 0x204
#endif
#ifndef FUSE_OPT_GPC_DISABLE_0
#define FUSE_OPT_GPC_DISABLE_0 0x188
#endif
/* T186+ */
#if !defined(FUSE_PDI0) && !defined(FUSE_PDI1)
#define FUSE_PDI0 0x300