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-rw-r--r--drivers/hwmon/fam15h_power.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/hwmon/fam15h_power.c b/drivers/hwmon/fam15h_power.c
index 4edbaf083130..336d422fb863 100644
--- a/drivers/hwmon/fam15h_power.c
+++ b/drivers/hwmon/fam15h_power.c
@@ -50,6 +50,7 @@ MODULE_LICENSE("GPL");
#define MSR_F15H_CU_PWR_ACCUMULATOR 0xc001007a
#define MSR_F15H_CU_MAX_PWR_ACCUMULATOR 0xc001007b
+#define MSR_F15H_PTSC 0xc0010280
#define PCI_DEVICE_ID_AMD_15H_M70H_NB_F4 0x15b4
@@ -65,6 +66,8 @@ struct fam15h_power_data {
u64 max_cu_acc_power;
/* accumulated power of the compute units */
u64 cu_acc_power[MAX_CUS];
+ /* performance timestamp counter */
+ u64 cpu_sw_pwr_ptsc[MAX_CUS];
};
static ssize_t show_power(struct device *dev,
@@ -145,6 +148,7 @@ static void do_read_registers_on_cu(void *_data)
cu = cpu_data(cpu).cpu_core_id;
rdmsrl_safe(MSR_F15H_CU_PWR_ACCUMULATOR, &data->cu_acc_power[cu]);
+ rdmsrl_safe(MSR_F15H_PTSC, &data->cpu_sw_pwr_ptsc[cu]);
}
/*