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cpufreq: tegra186: Share policy per cluster

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[ Upstream commit be4ae8c19492cd6d5de61ccb34ffb3f5ede5eec8 ]

This functionally brings tegra186 in line with tegra210 and tegra194,
sharing a cpufreq policy between all cores in a cluster.

Reviewed-by: Sumit Gupta <sumitg@nvidia.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Aaron Kling <webgeek1234@gmail.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Aaron Kling
2025-03-10 00:28:48 -05:00
committed by Greg Kroah-Hartman
parent 3123b3d445
commit ac64f0e893
1 changed files with 7 additions and 0 deletions
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7
drivers/cpufreq/tegra186-cpufreq.c
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@@ -73,11 +73,18 @@ static int tegra186_cpufreq_init(struct cpufreq_policy *policy)
{
struct tegra186_cpufreq_data *data = cpufreq_get_driver_data();
unsigned int cluster = data->cpus[policy->cpu].bpmp_cluster_id;
u32 cpu;
policy->freq_table = data->clusters[cluster].table;
policy->cpuinfo.transition_latency = 300 * 1000;
policy->driver_data = NULL;
/* set same policy for all cpus in a cluster */
for (cpu = 0; cpu < ARRAY_SIZE(tegra186_cpus); cpu++) {
if (data->cpus[cpu].bpmp_cluster_id == cluster)
cpumask_set_cpu(cpu, policy->cpus);
}
return 0;
}