* [PATCH v2 09/14] cpufreq: amd-pstate: update pstate frequency transition delay time
@ 2022-07-09 14:19 Perry Yuan
0 siblings, 0 replies; only message in thread
From: Perry Yuan @ 2022-07-09 14:19 UTC (permalink / raw)
To: rafael.j.wysocki, viresh.kumar, Ray.Huang
Cc: Deepak.Sharma, Mario.Limonciello, Nathan.Fontenot,
Alexander.Deucher, Jinzhou.Su, Xinmei.Huang, Xiaojian.Du,
Li.Meng, linux-pm, linux-kernel, Perry Yuan
change the default transition latency to be 20ms that is more
reasonable transition delay for AMD processors in non-EPP driver mode.
Signed-off-by: Perry Yuan <Perry.Yuan@amd.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 da20e17a140e..21037935e869 100644
--- a/drivers/cpufreq/amd-pstate.c
+++ b/drivers/cpufreq/amd-pstate.c
@@ -41,7 +41,7 @@
#include <asm/msr.h>
#include "amd-pstate-trace.h"
-#define AMD_PSTATE_TRANSITION_LATENCY 0x20000
+#define AMD_PSTATE_TRANSITION_LATENCY 20000
#define AMD_PSTATE_TRANSITION_DELAY 500
/*
--
2.25.1
^ permalink raw reply [flat|nested] only message in thread
only message in thread, other threads:[~2022-07-09 14:19 UTC | newest]
Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2022-07-09 14:19 [PATCH v2 09/14] cpufreq: amd-pstate: update pstate frequency transition delay time Perry Yuan
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®