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Revert "NVIDIA: SAUCE: driver: cpufreq: put offline cpu cores to fmin"

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BugLink: https://bugs.launchpad.net/bugs/2080908

Reverting the downstream change as the feature is moved to ATF.

This reverts commit 162567020db7098e7527459029e6bfd0d2d6ff6e.

http://nvbugs/4611171

Signed-off-by: Sumit Gupta <sumitg@nvidia.com>
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Acked-by: Noah Wager <noah.wager@canonical.com>
Acked-by: Jacob Martin <jacob.martin@canonical.com>
Signed-off-by: Noah Wager <noah.wager@canonical.com>
This commit is contained in:
Sumit Gupta
2024-09-14 15:18:24 +00:00
committed by Noah Wager
parent d6cdd6f8d3
commit 7d7589445b
1 changed files with 0 additions and 66 deletions
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drivers/cpufreq/tegra194-cpufreq.c
-66
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@@ -69,14 +69,6 @@ struct tegra_cpufreq_soc {
unsigned int num_clusters;
phys_addr_t actmon_cntr_base;
u32 refclk_delta_min;
bool fmin_offline_cpus;
};
struct physical_ids {
u32 cpuid;
u32 clusterid;
u64 mpidr_id;
void __iomem *freq_core_reg;
};
struct tegra194_cpufreq_data {
@@ -85,11 +77,9 @@ struct tegra194_cpufreq_data {
const struct tegra_cpufreq_soc *soc;
bool icc_dram_bw_scaling;
struct tegra_cpu_data *cpu_data;
struct physical_ids *phys_ids;
};
static struct workqueue_struct *read_counters_wq;
static enum cpuhp_state hp_state;
static int tegra_cpufreq_set_bw(struct cpufreq_policy *policy, unsigned long freq_khz)
{
@@ -204,7 +194,6 @@ static const struct tegra_cpufreq_soc tegra234_cpufreq_soc = {
.maxcpus_per_cluster = 4,
.num_clusters = 3,
.refclk_delta_min = 16000,
.fmin_offline_cpus = true,
};
static const struct tegra_cpufreq_soc tegra239_cpufreq_soc = {
@@ -213,7 +202,6 @@ static const struct tegra_cpufreq_soc tegra239_cpufreq_soc = {
.maxcpus_per_cluster = 8,
.num_clusters = 1,
.refclk_delta_min = 16000,
.fmin_offline_cpus = true,
};
static void tegra194_get_cpu_cluster_id(u32 cpu, u32 *cpuid, u32 *clusterid)
@@ -618,7 +606,6 @@ static const struct tegra_cpufreq_soc tegra194_cpufreq_soc = {
.maxcpus_per_cluster = 2,
.num_clusters = 4,
.refclk_delta_min = 16000,
.fmin_offline_cpus = false,
};
static void tegra194_cpufreq_free_resources(void)
@@ -698,17 +685,6 @@ tegra_cpufreq_bpmp_read_lut(struct platform_device *pdev, struct tegra_bpmp *bpm
return freq_table;
}
static int tegra234_cpufreq_offline(unsigned int cpu)
{
struct tegra194_cpufreq_data *data = cpufreq_get_driver_data();
u32 clusterid = data->phys_ids[cpu].clusterid;
/* Set CPU to Fmin */
writel(data->bpmp_luts[clusterid]->driver_data, data->phys_ids[cpu].freq_core_reg);
return 0;
}
static int tegra194_cpufreq_store_physids(unsigned int cpu, struct tegra194_cpufreq_data *data)
{
int num_cpus = data->soc->maxcpus_per_cluster * data->soc->num_clusters;
@@ -817,17 +793,6 @@ static int tegra194_cpufreq_probe(struct platform_device *pdev)
if (!err)
goto put_bpmp;
if (data->soc->fmin_offline_cpus) {
err = cpuhp_setup_state_nocalls(CPUHP_AP_ONLINE_DYN,
"tegra234_cpufreq:online", NULL,
tegra234_cpufreq_offline);
if (err < 0) {
dev_info(&pdev->dev, "fail to register cpuhp state\n");
goto err_free_res;
}
hp_state = err;
}
err_free_res:
tegra194_cpufreq_free_resources();
put_bpmp:
@@ -839,8 +804,6 @@ static void tegra194_cpufreq_remove(struct platform_device *pdev)
{
cpufreq_unregister_driver(&tegra194_cpufreq_driver);
tegra194_cpufreq_free_resources();
if (hp_state > 0)
cpuhp_remove_state_nocalls(hp_state);
}
static const struct of_device_id tegra194_cpufreq_of_match[] = {
@@ -851,39 +814,10 @@ static const struct of_device_id tegra194_cpufreq_of_match[] = {
};
MODULE_DEVICE_TABLE(of, tegra194_cpufreq_of_match);
#ifdef CONFIG_PM_SLEEP
static int tegra194_cpufreq_resume(struct device *dev)
{
struct tegra194_cpufreq_data *data = cpufreq_get_driver_data();
u32 cpu;
if (data->regs && data->soc->fmin_offline_cpus) {
/*
* If mmio registers are used for frequency requests and
* hp notifier is enabled to set offline cores to Fmin,
* then use the mmio register to keep offline cpu core to fmin.
* If sysreg are used then we can't set fmin as sysreg can
* be accessed from the target CPU only but that is offline.
*/
for_each_possible_cpu(cpu) {
if (!cpu_online(cpu))
tegra234_cpufreq_offline(cpu);
}
}
return 0;
}
#endif
static const struct dev_pm_ops tegra194_cpufreq_pm_ops = {
SET_SYSTEM_SLEEP_PM_OPS(NULL, tegra194_cpufreq_resume)
};
static struct platform_driver tegra194_ccplex_driver = {
.driver = {
.name = "tegra194-cpufreq",
.of_match_table = tegra194_cpufreq_of_match,
.pm = &tegra194_cpufreq_pm_ops,
},
.probe = tegra194_cpufreq_probe,
.remove_new = tegra194_cpufreq_remove,