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-rw-r--r--drivers/cpufreq/acpi-cpufreq.c3
-rw-r--r--drivers/cpufreq/cpufreq.c15
-rw-r--r--drivers/cpufreq/intel_pstate.c22
3 files changed, 30 insertions, 10 deletions
diff --git a/drivers/cpufreq/acpi-cpufreq.c b/drivers/cpufreq/acpi-cpufreq.c
index e4ff681faaaa..1e4fbb002a31 100644
--- a/drivers/cpufreq/acpi-cpufreq.c
+++ b/drivers/cpufreq/acpi-cpufreq.c
@@ -691,7 +691,8 @@ static int acpi_cpufreq_cpu_init(struct cpufreq_policy *policy)
cpumask_copy(policy->cpus, topology_core_cpumask(cpu));
}
- if (check_amd_hwpstate_cpu(cpu) && !acpi_pstate_strict) {
+ if (check_amd_hwpstate_cpu(cpu) && boot_cpu_data.x86 < 0x19 &&
+ !acpi_pstate_strict) {
cpumask_clear(policy->cpus);
cpumask_set_cpu(cpu, policy->cpus);
cpumask_copy(data->freqdomain_cpus,
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 1877f5e2e5b0..f4b60663efe6 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -1454,14 +1454,13 @@ static int cpufreq_online(unsigned int cpu)
*/
if ((cpufreq_driver->flags & CPUFREQ_NEED_INITIAL_FREQ_CHECK)
&& has_target()) {
+ unsigned int old_freq = policy->cur;
+
/* Are we running at unknown frequency ? */
- ret = cpufreq_frequency_table_get_index(policy, policy->cur);
+ ret = cpufreq_frequency_table_get_index(policy, old_freq);
if (ret == -EINVAL) {
- /* Warn user and fix it */
- pr_warn("%s: CPU%d: Running at unlisted freq: %u KHz\n",
- __func__, policy->cpu, policy->cur);
- ret = __cpufreq_driver_target(policy, policy->cur - 1,
- CPUFREQ_RELATION_L);
+ ret = __cpufreq_driver_target(policy, old_freq - 1,
+ CPUFREQ_RELATION_L);
/*
* Reaching here after boot in a few seconds may not
@@ -1469,8 +1468,8 @@ static int cpufreq_online(unsigned int cpu)
* frequency for longer duration. Hence, a BUG_ON().
*/
BUG_ON(ret);
- pr_warn("%s: CPU%d: Unlisted initial frequency changed to: %u KHz\n",
- __func__, policy->cpu, policy->cur);
+ pr_info("%s: CPU%d: Running at unlisted initial frequency: %u KHz, changing to: %u KHz\n",
+ __func__, policy->cpu, old_freq, policy->cur);
}
}
diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
index 9a515c460a00..3c1455518738 100644
--- a/drivers/cpufreq/intel_pstate.c
+++ b/drivers/cpufreq/intel_pstate.c
@@ -1420,6 +1420,24 @@ static void __init intel_pstate_sysfs_expose_params(void)
}
}
+static void __init intel_pstate_sysfs_remove(void)
+{
+ if (!intel_pstate_kobject)
+ return;
+
+ sysfs_remove_group(intel_pstate_kobject, &intel_pstate_attr_group);
+
+ if (!per_cpu_limits) {
+ sysfs_remove_file(intel_pstate_kobject, &max_perf_pct.attr);
+ sysfs_remove_file(intel_pstate_kobject, &min_perf_pct.attr);
+
+ if (x86_match_cpu(intel_pstate_cpu_ee_disable_ids))
+ sysfs_remove_file(intel_pstate_kobject, &energy_efficiency.attr);
+ }
+
+ kobject_put(intel_pstate_kobject);
+}
+
static void intel_pstate_sysfs_expose_hwp_dynamic_boost(void)
{
int rc;
@@ -3063,8 +3081,10 @@ hwp_cpu_matched:
mutex_lock(&intel_pstate_driver_lock);
rc = intel_pstate_register_driver(default_driver);
mutex_unlock(&intel_pstate_driver_lock);
- if (rc)
+ if (rc) {
+ intel_pstate_sysfs_remove();
return rc;
+ }
if (hwp_active) {
const struct x86_cpu_id *id;