2022-07-09 14:50:52

by Yuan, Perry

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Subject: [PATCH v2 12/14] 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 <[email protected]>
Signed-off-by: Su Jinzhou <[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 4c600cd7cb5b..8ba4b98b7108 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