Re: [PATCH] [PATCH] cpufreq/amd-pstate: Fix per-policy boost flag incorrect when fail
From: zhenglifeng (A)
Date: Fri Jan 10 2025 - 04:22:46 EST
On 2025/1/10 17:12, Lifeng Zheng wrote:
> Commit c8c68c38b56f ("cpufreq: amd-pstate: initialize core precision
> boost state") sets per-policy boost flag to false when boost fail.
> However, this boost flag will be set to reverse value in
> store_local_boost() and cpufreq_boost_trigger_state() in cpufreq.c. This
> will cause the per-policy boost flag set to true when fail to set boost.
> Remove the extra assignment in amd_pstate_set_boost() and keep all
> operations on per-policy boost flag outside of set_boost() to fix this
> problem.
>
> Fixes: c8c68c38b56f ("cpufreq: amd-pstate: initialize core precision boost state")
> Signed-off-by: Lifeng Zheng <zhenglifeng1@xxxxxxxxxx>
> ---
> drivers/cpufreq/amd-pstate.c | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/drivers/cpufreq/amd-pstate.c b/drivers/cpufreq/amd-pstate.c
> index d7b1de97727a..a2573393ce30 100644
> --- a/drivers/cpufreq/amd-pstate.c
> +++ b/drivers/cpufreq/amd-pstate.c
> @@ -747,7 +747,6 @@ static int amd_pstate_set_boost(struct cpufreq_policy *policy, int state)
> guard(mutex)(&amd_pstate_driver_lock);
>
> ret = amd_pstate_cpu_boost_update(policy, state);
> - policy->boost_enabled = !ret ? state : false;
> refresh_frequency_limits(policy);
>
> return ret;
Got some mistakes, I'll resent another one. Sorry.😭