* [PATCH] cpufreq: tegra194: Enable CPUFREQ thermal cooling
@ 2023-01-24 11:53 Jon Hunter
2023-01-25 3:56 ` Viresh Kumar
0 siblings, 1 reply; 2+ messages in thread
From: Jon Hunter @ 2023-01-24 11:53 UTC (permalink / raw)
To: Rafael J . Wysocki, Viresh Kumar, Thierry Reding
Cc: linux-pm, linux-tegra, Yi-Wei Wang, Jon Hunter
From: Yi-Wei Wang <yiweiw@nvidia.com>
Populate the flag CPUFREQ_IS_COOLING_DEV for the Tegra194 CPUFREQ driver
to register it as a cooling device. This enables CPU frequency
throttling for CPUs when the passive trip points are crossed.
Signed-off-by: Yi-Wei Wang <yiweiw@nvidia.com>
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
---
drivers/cpufreq/tegra194-cpufreq.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/cpufreq/tegra194-cpufreq.c b/drivers/cpufreq/tegra194-cpufreq.c
index 4596c3e323aa..5890e25d7f77 100644
--- a/drivers/cpufreq/tegra194-cpufreq.c
+++ b/drivers/cpufreq/tegra194-cpufreq.c
@@ -411,7 +411,8 @@ static int tegra194_cpufreq_set_target(struct cpufreq_policy *policy,
static struct cpufreq_driver tegra194_cpufreq_driver = {
.name = "tegra194",
- .flags = CPUFREQ_CONST_LOOPS | CPUFREQ_NEED_INITIAL_FREQ_CHECK,
+ .flags = CPUFREQ_CONST_LOOPS | CPUFREQ_NEED_INITIAL_FREQ_CHECK |
+ CPUFREQ_IS_COOLING_DEV,
.verify = cpufreq_generic_frequency_table_verify,
.target_index = tegra194_cpufreq_set_target,
.get = tegra194_get_speed,
--
2.25.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] cpufreq: tegra194: Enable CPUFREQ thermal cooling
2023-01-24 11:53 [PATCH] cpufreq: tegra194: Enable CPUFREQ thermal cooling Jon Hunter
@ 2023-01-25 3:56 ` Viresh Kumar
0 siblings, 0 replies; 2+ messages in thread
From: Viresh Kumar @ 2023-01-25 3:56 UTC (permalink / raw)
To: Jon Hunter
Cc: Rafael J . Wysocki, Thierry Reding, linux-pm, linux-tegra,
Yi-Wei Wang
On 24-01-23, 11:53, Jon Hunter wrote:
> From: Yi-Wei Wang <yiweiw@nvidia.com>
>
> Populate the flag CPUFREQ_IS_COOLING_DEV for the Tegra194 CPUFREQ driver
> to register it as a cooling device. This enables CPU frequency
> throttling for CPUs when the passive trip points are crossed.
>
> Signed-off-by: Yi-Wei Wang <yiweiw@nvidia.com>
> Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
> ---
> drivers/cpufreq/tegra194-cpufreq.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/cpufreq/tegra194-cpufreq.c b/drivers/cpufreq/tegra194-cpufreq.c
> index 4596c3e323aa..5890e25d7f77 100644
> --- a/drivers/cpufreq/tegra194-cpufreq.c
> +++ b/drivers/cpufreq/tegra194-cpufreq.c
> @@ -411,7 +411,8 @@ static int tegra194_cpufreq_set_target(struct cpufreq_policy *policy,
>
> static struct cpufreq_driver tegra194_cpufreq_driver = {
> .name = "tegra194",
> - .flags = CPUFREQ_CONST_LOOPS | CPUFREQ_NEED_INITIAL_FREQ_CHECK,
> + .flags = CPUFREQ_CONST_LOOPS | CPUFREQ_NEED_INITIAL_FREQ_CHECK |
> + CPUFREQ_IS_COOLING_DEV,
> .verify = cpufreq_generic_frequency_table_verify,
> .target_index = tegra194_cpufreq_set_target,
> .get = tegra194_get_speed,
Applied. Thanks.
--
viresh
^ permalink raw reply [flat|nested] 2+ messages in thread
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2023-01-25 3:56 ` Viresh Kumar
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