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gpu: nvgpu: gv10x volt rail boardobj changes

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- Created volt ops under pmu_ver to support volt_set_voltage,
  volt_get_voltage & volt_send_load_cmd_to_pmu.
- Renamed volt load, set_voltage & get_voltage gp10x method names.
- Added new volt load, set_voltage & get_voltage methods for gv10x
  using RPC & added code to handle ack in pmu_rpc_handler() along
  with struct rail_list changes.
- Updated volt ops of gp106 & gv100 to point to respective methods.
- Added member volt_dev_idx_ipc_vmin & volt_scale_exp_pwr_equ_idx to
  "struct nv_pmu_volt_volt_rail_boardobj_set" & "struct voltage_rail"
  made changes to update members as needed.
- Added member volt_scale_exp_pwr_equ_idx to
  "struct vbios_voltage_rail_table_1x_entry" to read
  value from VBIOS table & update rail boardobj set interface.
- Defines for volt RPC "NV_PMU_RPC_ID_VOLT_*"
- Define struct's volt load, set_voltage & get_voltage to execute
   volt RPC.

Change-Id: I4a41adcf7536468beaa8a73f551b1d608aabd161
Signed-off-by: Mahantesh Kumbar <mkumbar@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1659728
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Mahantesh Kumbar
2018-02-14 14:31:01 +05:30
committed by mobile promotions
parent e77ec1a98e
commit d3f96dfa96
11 changed files with 270 additions and 15 deletions
Download Patch File Download Diff File Expand all files Collapse all files

35
drivers/gpu/nvgpu/volt/volt_rail.c
View File

@@ -1,5 +1,5 @@
/*
* Copyright (c) 2016-2017, NVIDIA CORPORATION. All rights reserved.
* Copyright (c) 2016-2018, 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"),
@@ -34,8 +34,10 @@ u8 volt_rail_volt_domain_convert_to_idx(struct gk20a *g, u8 volt_domain)
{
switch (g->perf_pmu.volt.volt_rail_metadata.volt_domain_hal) {
case CTRL_VOLT_DOMAIN_HAL_GP10X_SINGLE_RAIL:
if (volt_domain == CTRL_BOARDOBJ_IDX_INVALID)
switch (volt_domain) {
case CTRL_VOLT_DOMAIN_LOGIC:
return 0;
}
break;
case CTRL_VOLT_DOMAIN_HAL_GP10X_SPLIT_RAIL:
switch (volt_domain) {
@@ -63,6 +65,22 @@ u32 volt_rail_volt_dev_register(struct gk20a *g, struct voltage_rail
status = -EINVAL;
goto exit;
}
} else if (operation_type ==
CTRL_VOLT_VOLT_DEVICE_OPERATION_TYPE_IPC_VMIN) {
if (pvolt_rail->volt_dev_idx_ipc_vmin ==
CTRL_BOARDOBJ_IDX_INVALID) {
pvolt_rail->volt_dev_idx_ipc_vmin = volt_dev_idx;
/*
* Exit on purpose as we do not want to register
* IPC_VMIN device against the rail to avoid
* setting current voltage instead of
* IPC Vmin voltage.
*/
goto exit;
} else {
status = -EINVAL;
goto exit;
}
} else {
goto exit;
}
@@ -136,6 +154,9 @@ static u32 volt_rail_init_pmudata_super(struct gk20a *g,
prail->volt_margin_limit_vfe_equ_idx;
rail_pmu_data->pwr_equ_idx = prail->pwr_equ_idx;
rail_pmu_data->volt_dev_idx_default = prail->volt_dev_idx_default;
rail_pmu_data->volt_scale_exp_pwr_equ_idx =
prail->volt_scale_exp_pwr_equ_idx;
rail_pmu_data->volt_dev_idx_ipc_vmin = prail->volt_dev_idx_ipc_vmin;
for (i = 0; i < CTRL_VOLT_RAIL_VOLT_DELTA_MAX_ENTRIES; i++) {
rail_pmu_data->volt_delta_uv[i] = prail->volt_delta_uv[i] +
@@ -187,6 +208,8 @@ static struct voltage_rail *construct_volt_rail(struct gk20a *g, void *pargs)
ptemp_rail->vmin_limit_vfe_equ_idx;
board_obj_volt_rail_ptr->volt_margin_limit_vfe_equ_idx =
ptemp_rail->volt_margin_limit_vfe_equ_idx;
board_obj_volt_rail_ptr->volt_scale_exp_pwr_equ_idx =
ptemp_rail->volt_scale_exp_pwr_equ_idx;
gk20a_dbg_info("Done");
@@ -284,6 +307,14 @@ static u32 volt_get_volt_rail_table(struct gk20a *g,
rail_type_data.volt_rail.ov_limit_vfe_equ_idx =
(u8)entry.ov_limit_vfe_equ_idx;
if (header.table_entry_size >=
NV_VBIOS_VOLTAGE_RAIL_1X_ENTRY_SIZE_0C)
rail_type_data.volt_rail.volt_scale_exp_pwr_equ_idx =
(u8)entry.volt_scale_exp_pwr_equ_idx;
else
rail_type_data.volt_rail.volt_scale_exp_pwr_equ_idx =
CTRL_BOARDOBJ_IDX_INVALID;
if (header.table_entry_size >=
NV_VBIOS_VOLTAGE_RAIL_1X_ENTRY_SIZE_0B)
rail_type_data.volt_rail.volt_margin_limit_vfe_equ_idx =