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path: root/drivers/powercap/intel_rapl_common.c
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Diffstat (limited to 'drivers/powercap/intel_rapl_common.c')
-rw-r--r--drivers/powercap/intel_rapl_common.c80
1 files changed, 14 insertions, 66 deletions
diff --git a/drivers/powercap/intel_rapl_common.c b/drivers/powercap/intel_rapl_common.c
index 2651ea6cd6d3..0b2830efc574 100644
--- a/drivers/powercap/intel_rapl_common.c
+++ b/drivers/powercap/intel_rapl_common.c
@@ -544,7 +544,14 @@ static void rapl_init_domains(struct rapl_package *rp)
continue;
rd->rp = rp;
- rd->name = rapl_domain_names[i];
+
+ if (i == RAPL_DOMAIN_PLATFORM && rp->id > 0) {
+ snprintf(rd->name, RAPL_DOMAIN_NAME_LENGTH, "psys-%d",
+ cpu_data(rp->lead_cpu).phys_proc_id);
+ } else
+ snprintf(rd->name, RAPL_DOMAIN_NAME_LENGTH, "%s",
+ rapl_domain_names[i]);
+
rd->id = i;
rd->rpl[0].prim_id = PL1_ENABLE;
rd->rpl[0].name = pl1_name;
@@ -1112,13 +1119,17 @@ static int rapl_package_register_powercap(struct rapl_package *rp)
}
/* now register domains as children of the socket/package */
for (rd = rp->domains; rd < rp->domains + rp->nr_domains; rd++) {
+ struct powercap_zone *parent = rp->power_zone;
+
if (rd->id == RAPL_DOMAIN_PACKAGE)
continue;
+ if (rd->id == RAPL_DOMAIN_PLATFORM)
+ parent = NULL;
/* number of power limits per domain varies */
nr_pl = find_nr_power_limit(rd);
power_zone = powercap_register_zone(&rd->power_zone,
rp->priv->control_type,
- rd->name, rp->power_zone,
+ rd->name, parent,
&zone_ops[rd->id], nr_pl,
&constraint_ops);
@@ -1145,67 +1156,6 @@ err_cleanup:
return ret;
}
-int rapl_add_platform_domain(struct rapl_if_priv *priv)
-{
- struct rapl_domain *rd;
- struct powercap_zone *power_zone;
- struct reg_action ra;
- int ret;
-
- ra.reg = priv->regs[RAPL_DOMAIN_PLATFORM][RAPL_DOMAIN_REG_STATUS];
- ra.mask = ~0;
- ret = priv->read_raw(0, &ra);
- if (ret || !ra.value)
- return -ENODEV;
-
- ra.reg = priv->regs[RAPL_DOMAIN_PLATFORM][RAPL_DOMAIN_REG_LIMIT];
- ra.mask = ~0;
- ret = priv->read_raw(0, &ra);
- if (ret || !ra.value)
- return -ENODEV;
-
- rd = kzalloc(sizeof(*rd), GFP_KERNEL);
- if (!rd)
- return -ENOMEM;
-
- rd->name = rapl_domain_names[RAPL_DOMAIN_PLATFORM];
- rd->id = RAPL_DOMAIN_PLATFORM;
- rd->regs[RAPL_DOMAIN_REG_LIMIT] =
- priv->regs[RAPL_DOMAIN_PLATFORM][RAPL_DOMAIN_REG_LIMIT];
- rd->regs[RAPL_DOMAIN_REG_STATUS] =
- priv->regs[RAPL_DOMAIN_PLATFORM][RAPL_DOMAIN_REG_STATUS];
- rd->rpl[0].prim_id = PL1_ENABLE;
- rd->rpl[0].name = pl1_name;
- rd->rpl[1].prim_id = PL2_ENABLE;
- rd->rpl[1].name = pl2_name;
- rd->rp = rapl_find_package_domain(0, priv);
-
- power_zone = powercap_register_zone(&rd->power_zone, priv->control_type,
- "psys", NULL,
- &zone_ops[RAPL_DOMAIN_PLATFORM],
- 2, &constraint_ops);
-
- if (IS_ERR(power_zone)) {
- kfree(rd);
- return PTR_ERR(power_zone);
- }
-
- priv->platform_rapl_domain = rd;
-
- return 0;
-}
-EXPORT_SYMBOL_GPL(rapl_add_platform_domain);
-
-void rapl_remove_platform_domain(struct rapl_if_priv *priv)
-{
- if (priv->platform_rapl_domain) {
- powercap_unregister_zone(priv->control_type,
- &priv->platform_rapl_domain->power_zone);
- kfree(priv->platform_rapl_domain);
- }
-}
-EXPORT_SYMBOL_GPL(rapl_remove_platform_domain);
-
static int rapl_check_domain(int cpu, int domain, struct rapl_package *rp)
{
struct reg_action ra;
@@ -1215,11 +1165,9 @@ static int rapl_check_domain(int cpu, int domain, struct rapl_package *rp)
case RAPL_DOMAIN_PP0:
case RAPL_DOMAIN_PP1:
case RAPL_DOMAIN_DRAM:
+ case RAPL_DOMAIN_PLATFORM:
ra.reg = rp->priv->regs[domain][RAPL_DOMAIN_REG_STATUS];
break;
- case RAPL_DOMAIN_PLATFORM:
- /* PSYS(PLATFORM) is not a CPU domain, so avoid printng error */
- return -EINVAL;
default:
pr_err("invalid domain id %d\n", domain);
return -EINVAL;