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sched: EAS: sched_energy for arm on g12b [1/1]

Browse Source 
PD#SWPL-3316

Problem:
g12b/w400 has not sched-energy config in arm for EAS.

Solution:
port from arm64

Verify:
w400

Change-Id: I4f3ddd9d5f2abb9787ab95d6652db6cea1c54b24
Signed-off-by: Hanjie Lin <hanjie.lin@amlogic.com>
This commit is contained in:
Hanjie Lin
2018-12-18 19:21:12 +08:00
committed by Dongjin Kim
parent 31f2867f7e
commit 5fa1f9e501
1 changed files with 68 additions and 0 deletions
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68
arch/arm/kernel/topology.c
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@@ -25,6 +25,9 @@
#include <asm/cputype.h>
#include <asm/topology.h>
#ifdef CONFIG_AMLOGIC_MODIFY
#include <linux/sched_energy.h>
#endif
/*
* cpu capacity scale management
*/
@@ -281,6 +284,7 @@ void store_cpu_topology(unsigned int cpuid)
cpu_topology[cpuid].socket_id, mpidr);
}
#ifndef CONFIG_AMLOGIC_MODIFY
/*
* 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
@@ -386,7 +390,66 @@ static struct sched_group_energy energy_core_a15 = {
.nr_cap_states = ARRAY_SIZE(cap_states_core_a15),
.cap_states = cap_states_core_a15,
};
#endif /* CONFIG_AMLOGIC_MODIFY */
#ifdef CONFIG_AMLOGIC_MODIFY
/* sd energy functions */
static inline
const struct sched_group_energy * const cpu_cluster_energy(int cpu)
{
struct sched_group_energy *sge = sge_array[cpu][SD_LEVEL1];
if (!sge) {
pr_debug("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)
{
struct sched_group_energy *sge = sge_array[cpu][SD_LEVEL0];
if (!sge) {
pr_debug("Invalid sched_group_energy for Cluster%d\n", cpu);
return NULL;
}
return sge;
}
static int cpu_cpu_flags(void)
{
return SD_ASYM_CPUCAPACITY;
}
static inline int cpu_corepower_flags(void)
{
return SD_SHARE_PKG_RESOURCES | SD_SHARE_POWERDOMAIN |
SD_SHARE_CAP_STATES;
}
static struct sched_domain_topology_level arm_topology[] = {
#ifdef CONFIG_SCHED_MC
{
cpu_coregroup_mask,
cpu_corepower_flags,
cpu_core_energy,
SD_INIT_NAME(MC)
},
#endif
{
cpu_cpu_mask,
cpu_cpu_flags,
cpu_cluster_energy,
SD_INIT_NAME(DIE)
},
{ NULL, },
};
#else
/* sd energy functions */
static inline
const struct sched_group_energy * const cpu_cluster_energy(int cpu)
@@ -415,6 +478,7 @@ static struct sched_domain_topology_level arm_topology[] = {
{ cpu_cpu_mask, NULL, cpu_cluster_energy, SD_INIT_NAME(DIE) },
{ NULL, },
};
#endif /* CONFIG_AMLOGIC_MODIFY */
/*
* init_cpu_topology is called at boot when only one cpu is running
@@ -440,4 +504,8 @@ void __init init_cpu_topology(void)
/* Set scheduler topology descriptor */
set_sched_topology(arm_topology);
#ifdef CONFIG_AMLOGIC_MODIFY
init_sched_energy_costs();
#endif
}