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author | Tvrtko Ursulin <tvrtko.ursulin@intel.com> | 2022-10-03 17:04:02 +0100 |
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committer | Tvrtko Ursulin <tvrtko.ursulin@intel.com> | 2022-10-03 17:04:02 +0100 |
commit | 97acb6a8fcc4e5c2cdc2693a35acdc5a7461aaa3 (patch) | |
tree | c4f1a18b38d655b7806a72515992bd9aae14ef53 /drivers/acpi/processor_idle.c | |
parent | 6fa964c045a6bc3321a9186e87bfbcfd1059b0f1 (diff) | |
parent | 7860d720a84c74b2761c6b7995392a798ab0a3cb (diff) | |
download | linux-97acb6a8fcc4e5c2cdc2693a35acdc5a7461aaa3.tar.gz linux-97acb6a8fcc4e5c2cdc2693a35acdc5a7461aaa3.tar.bz2 linux-97acb6a8fcc4e5c2cdc2693a35acdc5a7461aaa3.zip |
Merge drm/drm-next into drm-intel-gt-next
Daniele needs 84d4333c1e28 ("misc/mei: Add NULL check to component match
callback functions") in order to merge the DG2 HuC patches.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Diffstat (limited to 'drivers/acpi/processor_idle.c')
-rw-r--r-- | drivers/acpi/processor_idle.c | 34 |
1 files changed, 18 insertions, 16 deletions
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index 4556c86c3465..16a1663d02d4 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -21,7 +21,9 @@ #include <linux/cpuidle.h> #include <linux/cpu.h> #include <linux/minmax.h> +#include <linux/perf_event.h> #include <acpi/processor.h> +#include <linux/context_tracking.h> /* * Include the apic definitions for x86 to have the APIC timer related defines @@ -37,11 +39,11 @@ #define ACPI_IDLE_STATE_START (IS_ENABLED(CONFIG_ARCH_HAS_CPU_RELAX) ? 1 : 0) static unsigned int max_cstate __read_mostly = ACPI_PROCESSOR_MAX_POWER; -module_param(max_cstate, uint, 0000); -static unsigned int nocst __read_mostly; -module_param(nocst, uint, 0000); -static int bm_check_disable __read_mostly; -module_param(bm_check_disable, uint, 0000); +module_param(max_cstate, uint, 0400); +static bool nocst __read_mostly; +module_param(nocst, bool, 0400); +static bool bm_check_disable __read_mostly; +module_param(bm_check_disable, bool, 0400); static unsigned int latency_factor __read_mostly = 2; module_param(latency_factor, uint, 0644); @@ -96,11 +98,6 @@ static const struct dmi_system_id processor_power_dmi_table[] = { DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."), DMI_MATCH(DMI_PRODUCT_NAME,"L8400B series Notebook PC")}, (void *)1}, - /* T40 can not handle C3 idle state */ - { set_max_cstate, "IBM ThinkPad T40", { - DMI_MATCH(DMI_SYS_VENDOR, "IBM"), - DMI_MATCH(DMI_PRODUCT_NAME, "23737CU")}, - (void *)2}, {}, }; @@ -549,6 +546,8 @@ static void wait_for_freeze(void) */ static void __cpuidle acpi_idle_do_entry(struct acpi_processor_cx *cx) { + perf_lopwr_cb(true); + if (cx->entry_method == ACPI_CSTATE_FFH) { /* Call into architectural FFH based C-state */ acpi_processor_ffh_cstate_enter(cx); @@ -559,6 +558,8 @@ static void __cpuidle acpi_idle_do_entry(struct acpi_processor_cx *cx) inb(cx->address); wait_for_freeze(); } + + perf_lopwr_cb(false); } /** @@ -607,7 +608,7 @@ static DEFINE_RAW_SPINLOCK(c3_lock); * @cx: Target state context * @index: index of target state */ -static int acpi_idle_enter_bm(struct cpuidle_driver *drv, +static int __cpuidle acpi_idle_enter_bm(struct cpuidle_driver *drv, struct acpi_processor *pr, struct acpi_processor_cx *cx, int index) @@ -647,11 +648,11 @@ static int acpi_idle_enter_bm(struct cpuidle_driver *drv, raw_spin_unlock(&c3_lock); } - rcu_idle_enter(); + ct_idle_enter(); acpi_idle_do_entry(cx); - rcu_idle_exit(); + ct_idle_exit(); /* Re-enable bus master arbitration */ if (dis_bm) { @@ -664,7 +665,7 @@ static int acpi_idle_enter_bm(struct cpuidle_driver *drv, return index; } -static int acpi_idle_enter(struct cpuidle_device *dev, +static int __cpuidle acpi_idle_enter(struct cpuidle_device *dev, struct cpuidle_driver *drv, int index) { struct acpi_processor_cx *cx = per_cpu(acpi_cstate[index], dev->cpu); @@ -693,7 +694,7 @@ static int acpi_idle_enter(struct cpuidle_device *dev, return index; } -static int acpi_idle_enter_s2idle(struct cpuidle_device *dev, +static int __cpuidle acpi_idle_enter_s2idle(struct cpuidle_device *dev, struct cpuidle_driver *drv, int index) { struct acpi_processor_cx *cx = per_cpu(acpi_cstate[index], dev->cpu); @@ -795,7 +796,8 @@ static int acpi_processor_setup_cstates(struct acpi_processor *pr) if (cx->type == ACPI_STATE_C1 || cx->type == ACPI_STATE_C2 || cx->type == ACPI_STATE_C3) { state->enter_dead = acpi_idle_play_dead; - drv->safe_state_index = count; + if (cx->type != ACPI_STATE_C3) + drv->safe_state_index = count; } /* * Halt-induced C1 is not good for ->enter_s2idle, because it |