arm: topology: Updates to use DT bindings for EAS costing data (e5a586c0) · Commits · e / devices / android_kernel_fairphone_FP3

arch/arm/kernel/topology.c

+18 −110

Original line number	Diff line number	Diff line
		@@ -21,6 +21,7 @@
		#include <linux/of.h>
		#include <linux/sched.h>
		#include <linux/slab.h>
		#include <linux/sched_energy.h>

		#include <asm/cputype.h>
		#include <asm/topology.h>
		@@ -505,125 +506,31 @@ void store_cpu_topology(unsigned int cpuid)
		update_cpu_capacity(cpuid);
		}

		/*
		* ARM TC2 specific energy cost model data. There are no unit requirements for
		* the data. Data can be normalized to any reference point, but the
		* normalization must be consistent. That is, one bogo-joule/watt must be the
		* same quantity for all data, but we don't care what it is.
		*/
		static struct idle_state idle_states_cluster_a7[] = {
		{ .power = 25 }, /* arch_cpu_idle() (active idle) = WFI */
		{ .power = 25 }, /* WFI */
		{ .power = 10 }, /* cluster-sleep-l */
		};

		static struct idle_state idle_states_cluster_a15[] = {
		{ .power = 70 }, /* arch_cpu_idle() (active idle) = WFI */
		{ .power = 70 }, /* WFI */
		{ .power = 25 }, /* cluster-sleep-b */
		};

		static struct capacity_state cap_states_cluster_a7[] = {
		/* Cluster only power */
		{ .cap = 150, .power = 2967, }, /* 350 MHz */
		{ .cap = 172, .power = 2792, }, /* 400 MHz */
		{ .cap = 215, .power = 2810, }, /* 500 MHz */
		{ .cap = 258, .power = 2815, }, /* 600 MHz */
		{ .cap = 301, .power = 2919, }, /* 700 MHz */
		{ .cap = 344, .power = 2847, }, /* 800 MHz */
		{ .cap = 387, .power = 3917, }, /* 900 MHz */
		{ .cap = 430, .power = 4905, }, /* 1000 MHz */
		};

		static struct capacity_state cap_states_cluster_a15[] = {
		/* Cluster only power */
		{ .cap = 426, .power = 7920, }, /* 500 MHz */
		{ .cap = 512, .power = 8165, }, /* 600 MHz */
		{ .cap = 597, .power = 8172, }, /* 700 MHz */
		{ .cap = 682, .power = 8195, }, /* 800 MHz */
		{ .cap = 768, .power = 8265, }, /* 900 MHz */
		{ .cap = 853, .power = 8446, }, /* 1000 MHz */
		{ .cap = 938, .power = 11426, }, /* 1100 MHz */
		{ .cap = 1024, .power = 15200, }, /* 1200 MHz */
		};

		static struct sched_group_energy energy_cluster_a7 = {
		.nr_idle_states = ARRAY_SIZE(idle_states_cluster_a7),
		.idle_states = idle_states_cluster_a7,
		.nr_cap_states = ARRAY_SIZE(cap_states_cluster_a7),
		.cap_states = cap_states_cluster_a7,
		};

		static struct sched_group_energy energy_cluster_a15 = {
		.nr_idle_states = ARRAY_SIZE(idle_states_cluster_a15),
		.idle_states = idle_states_cluster_a15,
		.nr_cap_states = ARRAY_SIZE(cap_states_cluster_a15),
		.cap_states = cap_states_cluster_a15,
		};

		static struct idle_state idle_states_core_a7[] = {
		{ .power = 0 }, /* arch_cpu_idle (active idle) = WFI */
		{ .power = 0 }, /* WFI */
		{ .power = 0 }, /* cluster-sleep-l */
		};

		static struct idle_state idle_states_core_a15[] = {
		{ .power = 0 }, /* arch_cpu_idle (active idle) = WFI */
		{ .power = 0 }, /* WFI */
		{ .power = 0 }, /* cluster-sleep-b */
		};

		static struct capacity_state cap_states_core_a7[] = {
		/* Power per cpu */
		{ .cap = 150, .power = 187, }, /* 350 MHz */
		{ .cap = 172, .power = 275, }, /* 400 MHz */
		{ .cap = 215, .power = 334, }, /* 500 MHz */
		{ .cap = 258, .power = 407, }, /* 600 MHz */
		{ .cap = 301, .power = 447, }, /* 700 MHz */
		{ .cap = 344, .power = 549, }, /* 800 MHz */
		{ .cap = 387, .power = 761, }, /* 900 MHz */
		{ .cap = 430, .power = 1024, }, /* 1000 MHz */
		};

		static struct capacity_state cap_states_core_a15[] = {
		/* Power per cpu */
		{ .cap = 426, .power = 2021, }, /* 500 MHz */
		{ .cap = 512, .power = 2312, }, /* 600 MHz */
		{ .cap = 597, .power = 2756, }, /* 700 MHz */
		{ .cap = 682, .power = 3125, }, /* 800 MHz */
		{ .cap = 768, .power = 3524, }, /* 900 MHz */
		{ .cap = 853, .power = 3846, }, /* 1000 MHz */
		{ .cap = 938, .power = 5177, }, /* 1100 MHz */
		{ .cap = 1024, .power = 6997, }, /* 1200 MHz */
		};

		static struct sched_group_energy energy_core_a7 = {
		.nr_idle_states = ARRAY_SIZE(idle_states_core_a7),
		.idle_states = idle_states_core_a7,
		.nr_cap_states = ARRAY_SIZE(cap_states_core_a7),
		.cap_states = cap_states_core_a7,
		};

		static struct sched_group_energy energy_core_a15 = {
		.nr_idle_states = ARRAY_SIZE(idle_states_core_a15),
		.idle_states = idle_states_core_a15,
		.nr_cap_states = ARRAY_SIZE(cap_states_core_a15),
		.cap_states = cap_states_core_a15,
		};

		/* sd energy functions */
		static inline
		const struct sched_group_energy * const cpu_cluster_energy(int cpu)
		{
		return cpu_topology[cpu].socket_id ? &energy_cluster_a7 :
		&energy_cluster_a15;
		struct sched_group_energy *sge = sge_array[cpu][SD_LEVEL1];

		if (sched_is_energy_aware() && !sge) {
		pr_warn("Invalid sched_group_energy for Cluster%d\n", cpu);
		return NULL;
		}

		return sge;
		}

		static inline
		const struct sched_group_energy * const cpu_core_energy(int cpu)
		{
		return cpu_topology[cpu].socket_id ? &energy_core_a7 :
		&energy_core_a15;
		struct sched_group_energy *sge = sge_array[cpu][SD_LEVEL0];

		if (sched_is_energy_aware() && !sge) {
		pr_warn("Invalid sched_group_energy for CPU%d\n", cpu);
		return NULL;
		}

		return sge;
		}

		static inline int cpu_corepower_flags(void)
		@@ -688,4 +595,5 @@ void __init init_cpu_topology(void)

		/* Set scheduler topology descriptor */
		set_sched_topology(arm_topology);
		init_sched_energy_costs();
		}