nv-tegra-mirror/linux-nvgpu
1
0
Fork 0
mirror of git://nv-tegra.nvidia.com/linux-nvgpu.git synced 2025-12-24 10:34:43 +03:00
Code Issues Packages Projects Releases Wiki Activity

gpu: nvgpu: add PDI for TU104 (Linux)

Browse Source 
Add reporting for the per-device identifier (PDI) in the Linux GPU
characteristics. Implement PDI read for TU104.

Bug 2957580

Signed-off-by: Sami Kiminki <skiminki@nvidia.com>
Change-Id: I6ac0e4f74378564d82955b431d4c1fd6c0daeb13
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2346933
Reviewed-by: automaticguardword <automaticguardword@nvidia.com>
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-misra <svc-mobile-misra@nvidia.com>
Reviewed-by: Lakshmanan M <lm@nvidia.com>
Reviewed-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
This commit is contained in:
Sami Kiminki
2020-05-18 16:43:52 +03:00
committed by Alex Waterman
parent 8d68e687f0
commit 23cda4f4a9
12 changed files with 130 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/gpu/nvgpu/include/nvgpu/gk20a.h
View File

@@ -959,6 +959,12 @@ struct gk20a {
u16 pci_class;
u8 pci_revision;
/**
* The per-device identifier. The iGPUs without a PDI will use
* the SoC PDI if one exists. Zero if neither exists.
*/
u64 per_device_identifier;
/*
* PCI power management: i2c device index, port and address for
* INA3221.

22
drivers/gpu/nvgpu/include/nvgpu/gops_fuse.h
View File

@@ -193,6 +193,28 @@ struct gops_fuse {
int (*read_vin_cal_gain_offset_fuse)(struct gk20a *g,
u32 vin_id, s8 *gain,
s8 *offset);
/**
* @brief Read the 64-bit per-device identifier (PDI).
*
* On GPUs where available, the HAL reads NV_FUSE_OPT_PDI_0
* and NV_FUSE_OPT_PDI_1. Combined, these give the 64-bit
* per-device identifier (PDI).
*
* On GP10B/GV11B, this function reads the 64-bit SoC PDI from
* FUSE_PDI0 and FUSE_PDI1.
*
* Null PDI (0) is returned when the device does not have a
* PDI. Errors are returned when there was an error
* determining the PDI.
*
* @param g [in] The GPU driver struct.
* @param val [out] Pointer to receive the PDI on success.
*
* @return 0 on success.
*/
int (*read_per_device_identifier)(struct gk20a *g, u64 *pdi);
#if defined(CONFIG_NVGPU_HAL_NON_FUSA) && defined(CONFIG_NVGPU_NEXT)
#include "include/nvgpu/nvgpu_next_gops_fuse.h"
#endif

6
drivers/gpu/nvgpu/include/nvgpu/hw/tu104/hw_fuse_tu104.h
View File

@@ -1,5 +1,5 @@
/*
* Copyright (c) 2018-2019, NVIDIA CORPORATION. All rights reserved.
* Copyright (c) 2018-2020, NVIDIA CORPORATION. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
@@ -72,7 +72,9 @@
(nvgpu_safe_add_u32(0x00021d70U, nvgpu_safe_mult_u32((i), 4U)))
#define fuse_status_opt_fbp_r() (0x00021d38U)
#define fuse_status_opt_fbp_idx_v(r, i)\
(((r) >> (0U + i*1U)) & 0x1U)
(((r) >> (0U + (i)*1U)) & 0x1U)
#define fuse_opt_ecc_en_r() (0x00021228U)
#define fuse_opt_feature_fuses_override_disable_r() (0x000213f0U)
#define fuse_opt_pdi_0_r() (0x00021344U)
#define fuse_opt_pdi_1_r() (0x00021348U)
#endif