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Date: Tue, 12 Jul 2022 11:42:42 -0400 From: Perry Yuan <Perry.Yuan@....com> To: <rafael.j.wysocki@...el.com>, <viresh.kumar@...aro.org>, <Ray.Huang@....com> CC: <Deepak.Sharma@....com>, <Mario.Limonciello@....com>, <Nathan.Fontenot@....com>, <Alexander.Deucher@....com>, <Jinzhou.Su@....com>, <Xinmei.Huang@....com>, <Xiaojian.Du@....com>, <Li.Meng@....com>, <linux-pm@...r.kernel.org>, <linux-kernel@...r.kernel.org>, Perry Yuan <Perry.Yuan@....com>, Huang Rui <ray.huang@....com>, "Rafael J. Wysocki" <rafael@...nel.org> Subject: [PATCH v3 11/13] cpufreq: amd_pstate: update transition delay time to 1ms Update transition delay time to 1ms, in the AMD CPU autonomous mode and non-autonomous mode, CPPC firmware will decide frequency at 1ms timescale based on the workload utilization. Signed-off-by: Perry Yuan <Perry.Yuan@....com> Signed-off-by: Su Jinzhou <Jinzhou.Su@....com> --- drivers/cpufreq/amd-pstate.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/cpufreq/amd-pstate.c b/drivers/cpufreq/amd-pstate.c index a9918728948a..83570acecc78 100644 --- a/drivers/cpufreq/amd-pstate.c +++ b/drivers/cpufreq/amd-pstate.c @@ -42,7 +42,7 @@ #include "amd-pstate-trace.h" #define AMD_PSTATE_TRANSITION_LATENCY 20000 -#define AMD_PSTATE_TRANSITION_DELAY 500 +#define AMD_PSTATE_TRANSITION_DELAY 1000 /* * TODO: We need more time to fine tune processors with shared memory solution -- 2.25.1
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