2022-07-07 17:24:22

by Yuan, Perry

[permalink] [raw]
Subject: [PATCH 09/12] cpufreq: amd-pstate: update pstate frequency transition delay time

change the default transition latency to be 20ms that is more
reasonable transition delay for AMD processors.

Signed-off-by: Perry Yuan <[email protected]>
---
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 173a45cf292a..b54b3b559993 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