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gpu: nvgpu: Reading Vmin and Volt_rail get status

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Changes:
1) volt_rail_boardobj_grp_get_status function implemented.
2) nvgpu_volt_get_vmin_tu10x function implemented.
3) Only Vmin is updated into boardobjs.

Bug 200454682
Bug 2481917

Change-Id: Ie070b28a78503eeb3003493b5f130a4dcd9b1275
Signed-off-by: rmylavarapu <rmylavarapu@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1996137
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:
rmylavarapu
2019-01-17 15:44:02 +05:30
committed by mobile promotions
parent c57cf00aa0
commit f048bb5a71
7 changed files with 109 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

64
drivers/gpu/nvgpu/common/pmu/volt/volt_rail.c
View File

@@ -1,5 +1,5 @@
/*
* Copyright (c) 2016-2018, NVIDIA CORPORATION. All rights reserved.
* Copyright (c) 2016-2019, 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"),
@@ -415,6 +415,68 @@ static int _volt_rail_devgrp_pmustatus_instget(struct gk20a *g,
return 0;
}
static int volt_rail_obj_update(struct gk20a *g,
struct boardobj *board_obj_ptr,
struct nv_pmu_boardobj *ppmudata)
{
struct voltage_rail *volt_rail_obj;
struct nv_pmu_volt_volt_rail_boardobj_get_status *pstatus;
nvgpu_log_info(g, " ");
volt_rail_obj = (struct voltage_rail *)(void *)board_obj_ptr;
pstatus = (struct nv_pmu_volt_volt_rail_boardobj_get_status *)
(void *)ppmudata;
if (pstatus->super.type != volt_rail_obj->super.type) {
nvgpu_err(g, "pmu data and boardobj type not matching");
return -EINVAL;
}
/* Updating only vmin as per requirement, later other fields can be added */
volt_rail_obj->vmin_limitu_v = pstatus->vmin_limitu_v;
return 0;
}
int nvgpu_volt_rail_boardobj_grp_get_status(struct gk20a *g)
{
struct boardobjgrp *pboardobjgrp;
struct boardobjgrpmask *pboardobjgrpmask;
struct nv_pmu_boardobjgrp_super *pboardobjgrppmu;
struct boardobj *pboardobj = NULL;
struct nv_pmu_boardobj_query *pboardobjpmustatus = NULL;
int status;
u8 index;
nvgpu_log_info(g, " ");
pboardobjgrp = &g->perf_pmu->volt.volt_rail_metadata.volt_rails.super;
pboardobjgrpmask = &g->perf_pmu->volt.volt_rail_metadata.volt_rails.mask.super;
status = pboardobjgrp->pmugetstatus(g, pboardobjgrp, pboardobjgrpmask);
if (status != 0) {
nvgpu_err(g, "err getting boardobjs from pmu");
return status;
}
pboardobjgrppmu = pboardobjgrp->pmu.getstatus.buf;
BOARDOBJGRP_FOR_EACH(pboardobjgrp, struct boardobj*, pboardobj, index) {
status = pboardobjgrp->pmustatusinstget(g,
(struct nv_pmu_boardobjgrp *)(void *)pboardobjgrppmu,
&pboardobjpmustatus, index);
if (status != 0) {
nvgpu_err(g, "could not get status object instance");
return status;
}
status = volt_rail_obj_update(g, pboardobj,
(struct nv_pmu_boardobj *)(void *)pboardobjpmustatus);
if (status != 0) {
nvgpu_err(g, "could not update volt rail status");
return status;
}
}
return 0;
}
int volt_rail_sw_setup(struct gk20a *g)
{
int status = 0;