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gpu: nvgpu: Debugfs for S_param

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Changes:
1) Added nvgpu_s_param_init_debugfs for creating debugfs interface.
2) Command for S_param value:
   cat /sys/kernel/debug/gpu_pci/s_param
3) vfe_var_boardobj_grp_get_status is implemented.

Jira NVGPU-1736

Change-Id: Icbcf39e47777fe969ae2592b58a3103a21011a87
Signed-off-by: rmylavarapu <rmylavarapu@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1989334
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
rmylavarapu
2019-02-04 18:33:35 +05:30
committed by mobile promotions
parent 824b8b5a41
commit 75f9486b82
9 changed files with 198 additions and 1 deletions
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79
drivers/gpu/nvgpu/common/pmu/perf/vfe_var.c
View File

@@ -102,6 +102,85 @@ static int vfe_vars_pmustatus_instget(struct gk20a *g, void *pboardobjgrppmu,
return 0;
}
static int vfe_var_get_s_param_value(struct gk20a *g,
struct vfe_var_single_sensed_fuse *fuse_value,
struct nv_pmu_boardobj *ppmudata)
{
struct nv_pmu_perf_vfe_var_single_sensed_fuse_get_status *pstatus;
pstatus = (struct nv_pmu_perf_vfe_var_single_sensed_fuse_get_status *)
(void *)ppmudata;
nvgpu_log_info(g, " ");
if (pstatus->super.board_obj.type !=
fuse_value->super.super.super.super.type) {
nvgpu_err(g,"pmu data and boardobj type not matching");
return -EINVAL;
}
if(pstatus->fuse_value_integer.b_signed) {
fuse_value->b_fuse_value_signed =
pstatus->fuse_value_integer.b_signed;
fuse_value->fuse_value_integer =
(u32)pstatus->fuse_value_integer.data.signed_value;
fuse_value->fuse_value_hw_integer =
(u32)pstatus->fuse_value_hw_integer.data.signed_value;
} else {
fuse_value->b_fuse_value_signed =
pstatus->fuse_value_integer.b_signed;
fuse_value->fuse_value_integer =
pstatus->fuse_value_integer.data.unsigned_value;
fuse_value->fuse_value_hw_integer =
pstatus->fuse_value_hw_integer.data.unsigned_value;
}
return 0;
}
int nvgpu_vfe_var_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;
struct vfe_var_single_sensed_fuse *single_sensed_fuse = NULL;
int status;
u8 index;
nvgpu_log_info(g, " ");
pboardobjgrp = &g->perf_pmu->vfe_varobjs.super.super;
pboardobjgrpmask = &g->perf_pmu->vfe_varobjs.super.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) {
single_sensed_fuse = (struct vfe_var_single_sensed_fuse *)
(void *)pboardobj;
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;
}
/* At present we are updating only s_param,
* in future we can add other fields if required */
if (single_sensed_fuse->vfield_info.v_field_id ==
VFIELD_ID_S_PARAM) {
status = vfe_var_get_s_param_value(g, single_sensed_fuse,
(struct nv_pmu_boardobj *)(void *)pboardobjpmustatus);
if (status != 0) {
nvgpu_err(g, "could not get single sensed fuse value");
return status;
}
break;
}
}
return 0;
}
int vfe_var_sw_setup(struct gk20a *g)
{

2
drivers/gpu/nvgpu/common/pmu/perf/vfe_var.h
View File

@@ -106,4 +106,6 @@ struct vfe_var_single_sensed_temp {
int temp_default;
};
int nvgpu_vfe_var_boardobj_grp_get_status(struct gk20a *g);
#endif /* NVGPU_PERF_VFE_VAR_H */