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Merge back earlier cpufreq material for v4.8.

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This commit is contained in:
Rafael J. Wysocki
2016-07-04 13:21:43 +02:00
parent 742c87bf27 4a7cb7a96a
commit 5d1191ab6c
36 changed files with 535 additions and 762 deletions
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88
drivers/cpufreq/intel_pstate.c
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@@ -35,6 +35,7 @@
#include <asm/msr.h>
#include <asm/cpu_device_id.h>
#include <asm/cpufeature.h>
#include <asm/intel-family.h>
#define ATOM_RATIOS 0x66a
#define ATOM_VIDS 0x66b
@@ -281,9 +282,9 @@ struct cpu_defaults {
static inline int32_t get_target_pstate_use_performance(struct cpudata *cpu);
static inline int32_t get_target_pstate_use_cpu_load(struct cpudata *cpu);
static struct pstate_adjust_policy pid_params;
static struct pstate_funcs pstate_funcs;
static int hwp_active;
static struct pstate_adjust_policy pid_params __read_mostly;
static struct pstate_funcs pstate_funcs __read_mostly;
static int hwp_active __read_mostly;
#ifdef CONFIG_ACPI
static bool acpi_ppc;
@@ -1091,6 +1092,26 @@ static struct cpu_defaults knl_params = {
},
};
static struct cpu_defaults bxt_params = {
.pid_policy = {
.sample_rate_ms = 10,
.deadband = 0,
.setpoint = 60,
.p_gain_pct = 14,
.d_gain_pct = 0,
.i_gain_pct = 4,
},
.funcs = {
.get_max = core_get_max_pstate,
.get_max_physical = core_get_max_pstate_physical,
.get_min = core_get_min_pstate,
.get_turbo = core_get_turbo_pstate,
.get_scaling = core_get_scaling,
.get_val = core_get_val,
.get_target_pstate = get_target_pstate_use_cpu_load,
},
};
static void intel_pstate_get_min_max(struct cpudata *cpu, int *min, int *max)
{
int max_perf = cpu->pstate.turbo_pstate;
@@ -1334,29 +1355,30 @@ static void intel_pstate_update_util(struct update_util_data *data, u64 time,
(unsigned long)&policy }
static const struct x86_cpu_id intel_pstate_cpu_ids[] = {
ICPU(0x2a, core_params),
ICPU(0x2d, core_params),
ICPU(0x37, silvermont_params),
ICPU(0x3a, core_params),
ICPU(0x3c, core_params),
ICPU(0x3d, core_params),
ICPU(0x3e, core_params),
ICPU(0x3f, core_params),
ICPU(0x45, core_params),
ICPU(0x46, core_params),
ICPU(0x47, core_params),
ICPU(0x4c, airmont_params),
ICPU(0x4e, core_params),
ICPU(0x4f, core_params),
ICPU(0x5e, core_params),
ICPU(0x56, core_params),
ICPU(0x57, knl_params),
ICPU(INTEL_FAM6_SANDYBRIDGE, core_params),
ICPU(INTEL_FAM6_SANDYBRIDGE_X, core_params),
ICPU(INTEL_FAM6_ATOM_SILVERMONT1, silvermont_params),
ICPU(INTEL_FAM6_IVYBRIDGE, core_params),
ICPU(INTEL_FAM6_HASWELL_CORE, core_params),
ICPU(INTEL_FAM6_BROADWELL_CORE, core_params),
ICPU(INTEL_FAM6_IVYBRIDGE_X, core_params),
ICPU(INTEL_FAM6_HASWELL_X, core_params),
ICPU(INTEL_FAM6_HASWELL_ULT, core_params),
ICPU(INTEL_FAM6_HASWELL_GT3E, core_params),
ICPU(INTEL_FAM6_BROADWELL_GT3E, core_params),
ICPU(INTEL_FAM6_ATOM_AIRMONT, airmont_params),
ICPU(INTEL_FAM6_SKYLAKE_MOBILE, core_params),
ICPU(INTEL_FAM6_BROADWELL_X, core_params),
ICPU(INTEL_FAM6_SKYLAKE_DESKTOP, core_params),
ICPU(INTEL_FAM6_BROADWELL_XEON_D, core_params),
ICPU(INTEL_FAM6_XEON_PHI_KNL, knl_params),
ICPU(INTEL_FAM6_ATOM_GOLDMONT, bxt_params),
{}
};
MODULE_DEVICE_TABLE(x86cpu, intel_pstate_cpu_ids);
static const struct x86_cpu_id intel_pstate_cpu_oob_ids[] = {
ICPU(0x56, core_params),
static const struct x86_cpu_id intel_pstate_cpu_oob_ids[] __initconst = {
ICPU(INTEL_FAM6_BROADWELL_XEON_D, core_params),
{}
};
@@ -1575,12 +1597,12 @@ static struct cpufreq_driver intel_pstate_driver = {
.name = "intel_pstate",
};
static int __initdata no_load;
static int __initdata no_hwp;
static int __initdata hwp_only;
static unsigned int force_load;
static int no_load __initdata;
static int no_hwp __initdata;
static int hwp_only __initdata;
static unsigned int force_load __initdata;
static int intel_pstate_msrs_not_valid(void)
static int __init intel_pstate_msrs_not_valid(void)
{
if (!pstate_funcs.get_max() ||
!pstate_funcs.get_min() ||
@@ -1590,7 +1612,7 @@ static int intel_pstate_msrs_not_valid(void)
return 0;
}
static void copy_pid_params(struct pstate_adjust_policy *policy)
static void __init copy_pid_params(struct pstate_adjust_policy *policy)
{
pid_params.sample_rate_ms = policy->sample_rate_ms;
pid_params.sample_rate_ns = pid_params.sample_rate_ms * NSEC_PER_MSEC;
@@ -1601,7 +1623,7 @@ static void copy_pid_params(struct pstate_adjust_policy *policy)
pid_params.setpoint = policy->setpoint;
}
static void copy_cpu_funcs(struct pstate_funcs *funcs)
static void __init copy_cpu_funcs(struct pstate_funcs *funcs)
{
pstate_funcs.get_max = funcs->get_max;
pstate_funcs.get_max_physical = funcs->get_max_physical;
@@ -1616,7 +1638,7 @@ static void copy_cpu_funcs(struct pstate_funcs *funcs)
#ifdef CONFIG_ACPI
static bool intel_pstate_no_acpi_pss(void)
static bool __init intel_pstate_no_acpi_pss(void)
{
int i;
@@ -1645,7 +1667,7 @@ static bool intel_pstate_no_acpi_pss(void)
return true;
}
static bool intel_pstate_has_acpi_ppc(void)
static bool __init intel_pstate_has_acpi_ppc(void)
{
int i;
@@ -1673,7 +1695,7 @@ struct hw_vendor_info {
};
/* Hardware vendor-specific info that has its own power management modes */
static struct hw_vendor_info vendor_info[] = {
static struct hw_vendor_info vendor_info[] __initdata = {
{1, "HP ", "ProLiant", PSS},
{1, "ORACLE", "X4-2 ", PPC},
{1, "ORACLE", "X4-2L ", PPC},
@@ -1692,7 +1714,7 @@ static struct hw_vendor_info vendor_info[] = {
{0, "", ""},
};
static bool intel_pstate_platform_pwr_mgmt_exists(void)
static bool __init intel_pstate_platform_pwr_mgmt_exists(void)
{
struct acpi_table_header hdr;
struct hw_vendor_info *v_info;