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authorJoonas Lahtinen <joonas.lahtinen@linux.intel.com>2021-01-15 08:49:57 +0200
committerJoonas Lahtinen <joonas.lahtinen@linux.intel.com>2021-01-15 08:49:57 +0200
commitd263dfa7d2697a43f3299b9731cd568ee49cdd2c (patch)
treef5d993c7000ac41ee926acf0b357ec572ef7908f /include/linux/cpufreq.h
parentdrm/i915/gt: Prune inlines (diff)
parentMerge tag 'drm-intel-gt-next-2021-01-14' of git://anongit.freedesktop.org/drm/drm-intel into drm-next (diff)
downloadwireguard-linux-d263dfa7d2697a43f3299b9731cd568ee49cdd2c.tar.xz
wireguard-linux-d263dfa7d2697a43f3299b9731cd568ee49cdd2c.zip
Merge drm/drm-next into drm-intel-gt-next
Backmerging to get a common base for merging topic branches between drm-intel-next and drm-intel-gt-next. Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Diffstat (limited to 'include/linux/cpufreq.h')
-rw-r--r--include/linux/cpufreq.h37
1 files changed, 30 insertions, 7 deletions
diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
index 1eaa04f1bae6..9c8b7437b6cd 100644
--- a/include/linux/cpufreq.h
+++ b/include/linux/cpufreq.h
@@ -65,7 +65,6 @@ struct cpufreq_policy {
unsigned int max; /* in kHz */
unsigned int cur; /* in kHz, only needed if cpufreq
* governors are used */
- unsigned int restore_freq; /* = policy->cur before transition */
unsigned int suspend_freq; /* freq to set during suspend */
unsigned int policy; /* see above */
@@ -110,6 +109,12 @@ struct cpufreq_policy {
bool fast_switch_enabled;
/*
+ * Set if the CPUFREQ_GOV_STRICT_TARGET flag is set for the current
+ * governor.
+ */
+ bool strict_target;
+
+ /*
* Preferred average time interval between consecutive invocations of
* the driver to set the frequency for this policy. To be set by the
* scaling driver (0, which is the default, means no preference).
@@ -308,10 +313,6 @@ struct cpufreq_driver {
/* define one out of two */
int (*setpolicy)(struct cpufreq_policy *policy);
- /*
- * On failure, should always restore frequency to policy->restore_freq
- * (i.e. old freq).
- */
int (*target)(struct cpufreq_policy *policy,
unsigned int target_freq,
unsigned int relation); /* Deprecated */
@@ -319,6 +320,15 @@ struct cpufreq_driver {
unsigned int index);
unsigned int (*fast_switch)(struct cpufreq_policy *policy,
unsigned int target_freq);
+ /*
+ * ->fast_switch() replacement for drivers that use an internal
+ * representation of performance levels and can pass hints other than
+ * the target performance level to the hardware.
+ */
+ void (*adjust_perf)(unsigned int cpu,
+ unsigned long min_perf,
+ unsigned long target_perf,
+ unsigned long capacity);
/*
* Caches and returns the lowest driver-supported frequency greater than
@@ -570,15 +580,28 @@ struct cpufreq_governor {
char *buf);
int (*store_setspeed) (struct cpufreq_policy *policy,
unsigned int freq);
- /* For governors which change frequency dynamically by themselves */
- bool dynamic_switching;
struct list_head governor_list;
struct module *owner;
+ u8 flags;
};
+/* Governor flags */
+
+/* For governors which change frequency dynamically by themselves */
+#define CPUFREQ_GOV_DYNAMIC_SWITCHING BIT(0)
+
+/* For governors wanting the target frequency to be set exactly */
+#define CPUFREQ_GOV_STRICT_TARGET BIT(1)
+
+
/* Pass a target to the cpufreq driver */
unsigned int cpufreq_driver_fast_switch(struct cpufreq_policy *policy,
unsigned int target_freq);
+void cpufreq_driver_adjust_perf(unsigned int cpu,
+ unsigned long min_perf,
+ unsigned long target_perf,
+ unsigned long capacity);
+bool cpufreq_driver_has_adjust_perf(void);
int cpufreq_driver_target(struct cpufreq_policy *policy,
unsigned int target_freq,
unsigned int relation);