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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2024-06-17 08:33:41 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2024-06-17 08:33:41 +0200
commitb5dd424181f33c2978562c64b286fc22cf5ef4bf (patch)
treee2e3aa65bfb6e6a83de8ca4a92f0483fe1224833 /drivers/cpufreq/amd-pstate.c
parentc6c631d2b72b9390587cd1ee5b7905f8ea5bb1ea (diff)
parent6ba59ff4227927d3a8530fc2973b80e94b54d58f (diff)
Merge tag 'v6.10-rc4' into driver-core-next
We need the driver core and sysfs fixes in here to build on top of. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/cpufreq/amd-pstate.c')
-rw-r--r--drivers/cpufreq/amd-pstate.c36
1 files changed, 34 insertions, 2 deletions
diff --git a/drivers/cpufreq/amd-pstate.c b/drivers/cpufreq/amd-pstate.c
index 1b7e82a0ad2e..9ad62dbe8bfb 100644
--- a/drivers/cpufreq/amd-pstate.c
+++ b/drivers/cpufreq/amd-pstate.c
@@ -36,7 +36,6 @@
#include <linux/delay.h>
#include <linux/uaccess.h>
#include <linux/static_call.h>
-#include <linux/amd-pstate.h>
#include <linux/topology.h>
#include <acpi/processor.h>
@@ -46,6 +45,8 @@
#include <asm/processor.h>
#include <asm/cpufeature.h>
#include <asm/cpu_device_id.h>
+
+#include "amd-pstate.h"
#include "amd-pstate-trace.h"
#define AMD_PSTATE_TRANSITION_LATENCY 20000
@@ -53,6 +54,37 @@
#define CPPC_HIGHEST_PERF_PERFORMANCE 196
#define CPPC_HIGHEST_PERF_DEFAULT 166
+#define AMD_CPPC_EPP_PERFORMANCE 0x00
+#define AMD_CPPC_EPP_BALANCE_PERFORMANCE 0x80
+#define AMD_CPPC_EPP_BALANCE_POWERSAVE 0xBF
+#define AMD_CPPC_EPP_POWERSAVE 0xFF
+
+/*
+ * enum amd_pstate_mode - driver working mode of amd pstate
+ */
+enum amd_pstate_mode {
+ AMD_PSTATE_UNDEFINED = 0,
+ AMD_PSTATE_DISABLE,
+ AMD_PSTATE_PASSIVE,
+ AMD_PSTATE_ACTIVE,
+ AMD_PSTATE_GUIDED,
+ AMD_PSTATE_MAX,
+};
+
+static const char * const amd_pstate_mode_string[] = {
+ [AMD_PSTATE_UNDEFINED] = "undefined",
+ [AMD_PSTATE_DISABLE] = "disable",
+ [AMD_PSTATE_PASSIVE] = "passive",
+ [AMD_PSTATE_ACTIVE] = "active",
+ [AMD_PSTATE_GUIDED] = "guided",
+ NULL,
+};
+
+struct quirk_entry {
+ u32 nominal_freq;
+ u32 lowest_freq;
+};
+
/*
* TODO: We need more time to fine tune processors with shared memory solution
* with community together.
@@ -669,7 +701,7 @@ static int amd_pstate_set_boost(struct cpufreq_policy *policy, int state)
if (state)
policy->cpuinfo.max_freq = cpudata->max_freq;
else
- policy->cpuinfo.max_freq = cpudata->nominal_freq;
+ policy->cpuinfo.max_freq = cpudata->nominal_freq * 1000;
policy->max = policy->cpuinfo.max_freq;