diff mbox series

[v3,09/13] cpufreq: amd-pstate: update pstate frequency transition delay time

Message ID eeb86584fabe92859b9b33c40442bada2e46df2a.1657638462.git.Perry.Yuan@amd.com
State Superseded
Headers show
Series AMD Pstate Enhancement And Issue Fixs | expand

Commit Message

Yuan, Perry July 12, 2022, 3:42 p.m. UTC 
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(-)

Comments

Viresh Kumar July 13, 2022, 5:28 a.m. UTC | #1 
On 12-07-22, 11:42, Perry Yuan wrote:
> 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 312ccef62f58..1e5ca4897b7e 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
>  
>  /*

Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
diff mbox series

Patch

diff --git a/drivers/cpufreq/amd-pstate.c b/drivers/cpufreq/amd-pstate.c
index 312ccef62f58..1e5ca4897b7e 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
 
 /*