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-rw-r--r--drivers/powercap/dtpm.c11
-rw-r--r--drivers/powercap/dtpm_cpu.c9
-rw-r--r--drivers/powercap/idle_inject.c2
-rw-r--r--drivers/powercap/intel_rapl_common.c61
4 files changed, 66 insertions, 17 deletions
diff --git a/drivers/powercap/dtpm.c b/drivers/powercap/dtpm.c
index b9fac786246a..8cb45f2d3d78 100644
--- a/drivers/powercap/dtpm.c
+++ b/drivers/powercap/dtpm.c
@@ -382,7 +382,7 @@ void dtpm_unregister(struct dtpm *dtpm)
{
powercap_unregister_zone(pct, &dtpm->zone);
- pr_info("Unregistered dtpm node '%s'\n", dtpm->zone.name);
+ pr_debug("Unregistered dtpm node '%s'\n", dtpm->zone.name);
}
/**
@@ -453,8 +453,8 @@ int dtpm_register(const char *name, struct dtpm *dtpm, struct dtpm *parent)
dtpm->power_limit = dtpm->power_max;
}
- pr_info("Registered dtpm node '%s' / %llu-%llu uW, \n",
- dtpm->zone.name, dtpm->power_min, dtpm->power_max);
+ pr_debug("Registered dtpm node '%s' / %llu-%llu uW, \n",
+ dtpm->zone.name, dtpm->power_min, dtpm->power_max);
mutex_unlock(&dtpm_lock);
@@ -463,17 +463,12 @@ int dtpm_register(const char *name, struct dtpm *dtpm, struct dtpm *parent)
static int __init init_dtpm(void)
{
- struct dtpm_descr *dtpm_descr;
-
pct = powercap_register_control_type(NULL, "dtpm", NULL);
if (IS_ERR(pct)) {
pr_err("Failed to register control type\n");
return PTR_ERR(pct);
}
- for_each_dtpm_table(dtpm_descr)
- dtpm_descr->init();
-
return 0;
}
late_initcall(init_dtpm);
diff --git a/drivers/powercap/dtpm_cpu.c b/drivers/powercap/dtpm_cpu.c
index 44faa3a74db6..b740866b228d 100644
--- a/drivers/powercap/dtpm_cpu.c
+++ b/drivers/powercap/dtpm_cpu.c
@@ -166,16 +166,13 @@ static struct dtpm_ops dtpm_ops = {
static int cpuhp_dtpm_cpu_offline(unsigned int cpu)
{
- struct em_perf_domain *pd;
struct dtpm_cpu *dtpm_cpu;
- pd = em_cpu_get(cpu);
- if (!pd)
- return -EINVAL;
-
dtpm_cpu = per_cpu(dtpm_per_cpu, cpu);
+ if (dtpm_cpu)
+ dtpm_update_power(&dtpm_cpu->dtpm);
- return dtpm_update_power(&dtpm_cpu->dtpm);
+ return 0;
}
static int cpuhp_dtpm_cpu_online(unsigned int cpu)
diff --git a/drivers/powercap/idle_inject.c b/drivers/powercap/idle_inject.c
index 6e1a0043c411..a20bf12f3ce3 100644
--- a/drivers/powercap/idle_inject.c
+++ b/drivers/powercap/idle_inject.c
@@ -12,7 +12,7 @@
*
* All of the kthreads used for idle injection are created at init time.
*
- * Next, the users of the the idle injection framework provide a cpumask via
+ * Next, the users of the idle injection framework provide a cpumask via
* its register function. The kthreads will be synchronized with respect to
* this cpumask.
*
diff --git a/drivers/powercap/intel_rapl_common.c b/drivers/powercap/intel_rapl_common.c
index 7c0099e7a6d7..07611a00b78f 100644
--- a/drivers/powercap/intel_rapl_common.c
+++ b/drivers/powercap/intel_rapl_common.c
@@ -61,6 +61,20 @@
#define PERF_STATUS_THROTTLE_TIME_MASK 0xffffffff
#define PP_POLICY_MASK 0x1F
+/*
+ * SPR has different layout for Psys Domain PowerLimit registers.
+ * There are 17 bits of PL1 and PL2 instead of 15 bits.
+ * The Enable bits and TimeWindow bits are also shifted as a result.
+ */
+#define PSYS_POWER_LIMIT1_MASK 0x1FFFF
+#define PSYS_POWER_LIMIT1_ENABLE BIT(17)
+
+#define PSYS_POWER_LIMIT2_MASK (0x1FFFFULL<<32)
+#define PSYS_POWER_LIMIT2_ENABLE BIT_ULL(49)
+
+#define PSYS_TIME_WINDOW1_MASK (0x7FULL<<19)
+#define PSYS_TIME_WINDOW2_MASK (0x7FULL<<51)
+
/* Non HW constants */
#define RAPL_PRIMITIVE_DERIVED BIT(1) /* not from raw data */
#define RAPL_PRIMITIVE_DUMMY BIT(2)
@@ -97,6 +111,7 @@ struct rapl_defaults {
bool to_raw);
unsigned int dram_domain_energy_unit;
unsigned int psys_domain_energy_unit;
+ bool spr_psys_bits;
};
static struct rapl_defaults *rapl_defaults;
@@ -669,12 +684,51 @@ static struct rapl_primitive_info rpi[] = {
RAPL_DOMAIN_REG_PERF, TIME_UNIT, 0),
PRIMITIVE_INFO_INIT(PRIORITY_LEVEL, PP_POLICY_MASK, 0,
RAPL_DOMAIN_REG_POLICY, ARBITRARY_UNIT, 0),
+ PRIMITIVE_INFO_INIT(PSYS_POWER_LIMIT1, PSYS_POWER_LIMIT1_MASK, 0,
+ RAPL_DOMAIN_REG_LIMIT, POWER_UNIT, 0),
+ PRIMITIVE_INFO_INIT(PSYS_POWER_LIMIT2, PSYS_POWER_LIMIT2_MASK, 32,
+ RAPL_DOMAIN_REG_LIMIT, POWER_UNIT, 0),
+ PRIMITIVE_INFO_INIT(PSYS_PL1_ENABLE, PSYS_POWER_LIMIT1_ENABLE, 17,
+ RAPL_DOMAIN_REG_LIMIT, ARBITRARY_UNIT, 0),
+ PRIMITIVE_INFO_INIT(PSYS_PL2_ENABLE, PSYS_POWER_LIMIT2_ENABLE, 49,
+ RAPL_DOMAIN_REG_LIMIT, ARBITRARY_UNIT, 0),
+ PRIMITIVE_INFO_INIT(PSYS_TIME_WINDOW1, PSYS_TIME_WINDOW1_MASK, 19,
+ RAPL_DOMAIN_REG_LIMIT, TIME_UNIT, 0),
+ PRIMITIVE_INFO_INIT(PSYS_TIME_WINDOW2, PSYS_TIME_WINDOW2_MASK, 51,
+ RAPL_DOMAIN_REG_LIMIT, TIME_UNIT, 0),
/* non-hardware */
PRIMITIVE_INFO_INIT(AVERAGE_POWER, 0, 0, 0, POWER_UNIT,
RAPL_PRIMITIVE_DERIVED),
{NULL, 0, 0, 0},
};
+static enum rapl_primitives
+prim_fixups(struct rapl_domain *rd, enum rapl_primitives prim)
+{
+ if (!rapl_defaults->spr_psys_bits)
+ return prim;
+
+ if (rd->id != RAPL_DOMAIN_PLATFORM)
+ return prim;
+
+ switch (prim) {
+ case POWER_LIMIT1:
+ return PSYS_POWER_LIMIT1;
+ case POWER_LIMIT2:
+ return PSYS_POWER_LIMIT2;
+ case PL1_ENABLE:
+ return PSYS_PL1_ENABLE;
+ case PL2_ENABLE:
+ return PSYS_PL2_ENABLE;
+ case TIME_WINDOW1:
+ return PSYS_TIME_WINDOW1;
+ case TIME_WINDOW2:
+ return PSYS_TIME_WINDOW2;
+ default:
+ return prim;
+ }
+}
+
/* Read primitive data based on its related struct rapl_primitive_info.
* if xlate flag is set, return translated data based on data units, i.e.
* time, energy, and power.
@@ -692,7 +746,8 @@ static int rapl_read_data_raw(struct rapl_domain *rd,
enum rapl_primitives prim, bool xlate, u64 *data)
{
u64 value;
- struct rapl_primitive_info *rp = &rpi[prim];
+ enum rapl_primitives prim_fixed = prim_fixups(rd, prim);
+ struct rapl_primitive_info *rp = &rpi[prim_fixed];
struct reg_action ra;
int cpu;
@@ -738,7 +793,8 @@ static int rapl_write_data_raw(struct rapl_domain *rd,
enum rapl_primitives prim,
unsigned long long value)
{
- struct rapl_primitive_info *rp = &rpi[prim];
+ enum rapl_primitives prim_fixed = prim_fixups(rd, prim);
+ struct rapl_primitive_info *rp = &rpi[prim_fixed];
int cpu;
u64 bits;
struct reg_action ra;
@@ -981,6 +1037,7 @@ static const struct rapl_defaults rapl_defaults_spr_server = {
.compute_time_window = rapl_compute_time_window_core,
.dram_domain_energy_unit = 15300,
.psys_domain_energy_unit = 1000000000,
+ .spr_psys_bits = true,
};
static const struct rapl_defaults rapl_defaults_byt = {