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-rw-r--r--drivers/base/power/runtime.c7
-rw-r--r--drivers/base/power/wakeup.c2
-rw-r--r--drivers/cpuidle/coupled.c2
-rw-r--r--drivers/cpuidle/cpuidle-powernv.c4
-rw-r--r--drivers/cpuidle/governor.c11
-rw-r--r--drivers/idle/intel_idle.c53
-rw-r--r--drivers/powercap/intel_rapl_common.c5
7 files changed, 71 insertions, 13 deletions
diff --git a/drivers/base/power/runtime.c b/drivers/base/power/runtime.c
index 997be3ac20a7..b52049098d4e 100644
--- a/drivers/base/power/runtime.c
+++ b/drivers/base/power/runtime.c
@@ -792,10 +792,13 @@ static int rpm_resume(struct device *dev, int rpmflags)
DEFINE_WAIT(wait);
if (rpmflags & (RPM_ASYNC | RPM_NOWAIT)) {
- if (dev->power.runtime_status == RPM_SUSPENDING)
+ if (dev->power.runtime_status == RPM_SUSPENDING) {
dev->power.deferred_resume = true;
- else
+ if (rpmflags & RPM_NOWAIT)
+ retval = -EINPROGRESS;
+ } else {
retval = -EINPROGRESS;
+ }
goto out;
}
diff --git a/drivers/base/power/wakeup.c b/drivers/base/power/wakeup.c
index e3befa2c1b66..7cc0c0cf8eaa 100644
--- a/drivers/base/power/wakeup.c
+++ b/drivers/base/power/wakeup.c
@@ -944,6 +944,8 @@ void pm_system_irq_wakeup(unsigned int irq_number)
else
irq_number = 0;
+ pm_pr_dbg("Triggering wakeup from IRQ %d\n", irq_number);
+
raw_spin_unlock_irqrestore(&wakeup_irq_lock, flags);
if (irq_number)
diff --git a/drivers/cpuidle/coupled.c b/drivers/cpuidle/coupled.c
index 74068742cef3..9acde71558d5 100644
--- a/drivers/cpuidle/coupled.c
+++ b/drivers/cpuidle/coupled.c
@@ -54,7 +54,7 @@
* variable is not locked. It is only written from the cpu that
* it stores (or by the on/offlining cpu if that cpu is offline),
* and only read after all the cpus are ready for the coupled idle
- * state are are no longer updating it.
+ * state are no longer updating it.
*
* Three atomic counters are used. alive_count tracks the number
* of cpus in the coupled set that are currently or soon will be
diff --git a/drivers/cpuidle/cpuidle-powernv.c b/drivers/cpuidle/cpuidle-powernv.c
index c32c600b3cf8..0b5461b3d7dd 100644
--- a/drivers/cpuidle/cpuidle-powernv.c
+++ b/drivers/cpuidle/cpuidle-powernv.c
@@ -233,8 +233,8 @@ static inline void add_powernv_state(int index, const char *name,
unsigned int exit_latency,
u64 psscr_val, u64 psscr_mask)
{
- strlcpy(powernv_states[index].name, name, CPUIDLE_NAME_LEN);
- strlcpy(powernv_states[index].desc, name, CPUIDLE_NAME_LEN);
+ strscpy(powernv_states[index].name, name, CPUIDLE_NAME_LEN);
+ strscpy(powernv_states[index].desc, name, CPUIDLE_NAME_LEN);
powernv_states[index].flags = flags;
powernv_states[index].target_residency = target_residency;
powernv_states[index].exit_latency = exit_latency;
diff --git a/drivers/cpuidle/governor.c b/drivers/cpuidle/governor.c
index 29acaf48e575..0d0f9751ff8f 100644
--- a/drivers/cpuidle/governor.c
+++ b/drivers/cpuidle/governor.c
@@ -63,12 +63,11 @@ int cpuidle_switch_governor(struct cpuidle_governor *gov)
cpuidle_curr_governor = gov;
- if (gov) {
- list_for_each_entry(dev, &cpuidle_detected_devices, device_list)
- cpuidle_enable_device(dev);
- cpuidle_install_idle_handler();
- printk(KERN_INFO "cpuidle: using governor %s\n", gov->name);
- }
+ list_for_each_entry(dev, &cpuidle_detected_devices, device_list)
+ cpuidle_enable_device(dev);
+
+ cpuidle_install_idle_handler();
+ pr_info("cpuidle: using governor %s\n", gov->name);
return 0;
}
diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c
index 3e101719689a..cfeb24d40d37 100644
--- a/drivers/idle/intel_idle.c
+++ b/drivers/idle/intel_idle.c
@@ -928,6 +928,51 @@ static struct cpuidle_state adl_l_cstates[] __initdata = {
.enter = NULL }
};
+static struct cpuidle_state adl_n_cstates[] __initdata = {
+ {
+ .name = "C1",
+ .desc = "MWAIT 0x00",
+ .flags = MWAIT2flg(0x00) | CPUIDLE_FLAG_UNUSABLE,
+ .exit_latency = 1,
+ .target_residency = 1,
+ .enter = &intel_idle,
+ .enter_s2idle = intel_idle_s2idle, },
+ {
+ .name = "C1E",
+ .desc = "MWAIT 0x01",
+ .flags = MWAIT2flg(0x01) | CPUIDLE_FLAG_ALWAYS_ENABLE,
+ .exit_latency = 2,
+ .target_residency = 4,
+ .enter = &intel_idle,
+ .enter_s2idle = intel_idle_s2idle, },
+ {
+ .name = "C6",
+ .desc = "MWAIT 0x20",
+ .flags = MWAIT2flg(0x20) | CPUIDLE_FLAG_TLB_FLUSHED,
+ .exit_latency = 195,
+ .target_residency = 585,
+ .enter = &intel_idle,
+ .enter_s2idle = intel_idle_s2idle, },
+ {
+ .name = "C8",
+ .desc = "MWAIT 0x40",
+ .flags = MWAIT2flg(0x40) | CPUIDLE_FLAG_TLB_FLUSHED,
+ .exit_latency = 260,
+ .target_residency = 1040,
+ .enter = &intel_idle,
+ .enter_s2idle = intel_idle_s2idle, },
+ {
+ .name = "C10",
+ .desc = "MWAIT 0x60",
+ .flags = MWAIT2flg(0x60) | CPUIDLE_FLAG_TLB_FLUSHED,
+ .exit_latency = 660,
+ .target_residency = 1980,
+ .enter = &intel_idle,
+ .enter_s2idle = intel_idle_s2idle, },
+ {
+ .enter = NULL }
+};
+
static struct cpuidle_state spr_cstates[] __initdata = {
{
.name = "C1",
@@ -1309,6 +1354,10 @@ static const struct idle_cpu idle_cpu_adl_l __initconst = {
.state_table = adl_l_cstates,
};
+static const struct idle_cpu idle_cpu_adl_n __initconst = {
+ .state_table = adl_n_cstates,
+};
+
static const struct idle_cpu idle_cpu_spr __initconst = {
.state_table = spr_cstates,
.disable_promotion_to_c1e = true,
@@ -1379,6 +1428,7 @@ static const struct x86_cpu_id intel_idle_ids[] __initconst = {
X86_MATCH_INTEL_FAM6_MODEL(ICELAKE_D, &idle_cpu_icx),
X86_MATCH_INTEL_FAM6_MODEL(ALDERLAKE, &idle_cpu_adl),
X86_MATCH_INTEL_FAM6_MODEL(ALDERLAKE_L, &idle_cpu_adl_l),
+ X86_MATCH_INTEL_FAM6_MODEL(ALDERLAKE_N, &idle_cpu_adl_n),
X86_MATCH_INTEL_FAM6_MODEL(SAPPHIRERAPIDS_X, &idle_cpu_spr),
X86_MATCH_INTEL_FAM6_MODEL(XEON_PHI_KNL, &idle_cpu_knl),
X86_MATCH_INTEL_FAM6_MODEL(XEON_PHI_KNM, &idle_cpu_knl),
@@ -1507,7 +1557,7 @@ static void __init intel_idle_init_cstates_acpi(struct cpuidle_driver *drv)
state = &drv->states[drv->state_count++];
snprintf(state->name, CPUIDLE_NAME_LEN, "C%d_ACPI", cstate);
- strlcpy(state->desc, cx->desc, CPUIDLE_DESC_LEN);
+ strscpy(state->desc, cx->desc, CPUIDLE_DESC_LEN);
state->exit_latency = cx->latency;
/*
* For C1-type C-states use the same number for both the exit
@@ -1816,6 +1866,7 @@ static void __init intel_idle_init_cstates_icpu(struct cpuidle_driver *drv)
break;
case INTEL_FAM6_ALDERLAKE:
case INTEL_FAM6_ALDERLAKE_L:
+ case INTEL_FAM6_ALDERLAKE_N:
adl_idle_state_table_update();
break;
}
diff --git a/drivers/powercap/intel_rapl_common.c b/drivers/powercap/intel_rapl_common.c
index 21d624f9f5fb..26d00b1853b4 100644
--- a/drivers/powercap/intel_rapl_common.c
+++ b/drivers/powercap/intel_rapl_common.c
@@ -994,6 +994,9 @@ static u64 rapl_compute_time_window_core(struct rapl_package *rp, u64 value,
y = value & 0x1f;
value = (1 << y) * (4 + f) * rp->time_unit / 4;
} else {
+ if (value < rp->time_unit)
+ return 0;
+
do_div(value, rp->time_unit);
y = ilog2(value);
f = div64_u64(4 * (value - (1 << y)), 1 << y);
@@ -1035,7 +1038,6 @@ static const struct rapl_defaults rapl_defaults_spr_server = {
.check_unit = rapl_check_unit_core,
.set_floor_freq = set_floor_freq_default,
.compute_time_window = rapl_compute_time_window_core,
- .dram_domain_energy_unit = 15300,
.psys_domain_energy_unit = 1000000000,
.spr_psys_bits = true,
};
@@ -1110,6 +1112,7 @@ static const struct x86_cpu_id rapl_ids[] __initconst = {
X86_MATCH_INTEL_FAM6_MODEL(ALDERLAKE_N, &rapl_defaults_core),
X86_MATCH_INTEL_FAM6_MODEL(RAPTORLAKE, &rapl_defaults_core),
X86_MATCH_INTEL_FAM6_MODEL(RAPTORLAKE_P, &rapl_defaults_core),
+ X86_MATCH_INTEL_FAM6_MODEL(RAPTORLAKE_S, &rapl_defaults_core),
X86_MATCH_INTEL_FAM6_MODEL(SAPPHIRERAPIDS_X, &rapl_defaults_spr_server),
X86_MATCH_INTEL_FAM6_MODEL(LAKEFIELD, &rapl_defaults_core),
generated by cgit v1.2.3 (git 2.39.0) at 2024-07-26 17:51:23 +0300