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Diffstat (limited to 'drivers/hwmon/fam15h_power.c')
-rw-r--r--drivers/hwmon/fam15h_power.c15
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/hwmon/fam15h_power.c b/drivers/hwmon/fam15h_power.c
index 820adf19f4e2..41174903009c 100644
--- a/drivers/hwmon/fam15h_power.c
+++ b/drivers/hwmon/fam15h_power.c
@@ -59,8 +59,19 @@ static ssize_t show_power(struct device *dev,
pci_bus_read_config_dword(f4->bus, PCI_DEVFN(PCI_SLOT(f4->devfn), 5),
REG_TDP_RUNNING_AVERAGE, &val);
- running_avg_capture = (val >> 4) & 0x3fffff;
- running_avg_capture = sign_extend32(running_avg_capture, 21);
+
+ /*
+ * On Carrizo and later platforms, TdpRunAvgAccCap bit field
+ * is extended to 4:31 from 4:25.
+ */
+ if (boot_cpu_data.x86 == 0x15 && boot_cpu_data.x86_model >= 0x60) {
+ running_avg_capture = val >> 4;
+ running_avg_capture = sign_extend32(running_avg_capture, 27);
+ } else {
+ running_avg_capture = (val >> 4) & 0x3fffff;
+ running_avg_capture = sign_extend32(running_avg_capture, 21);
+ }
+
running_avg_range = (val & 0xf) + 1;
pci_bus_read_config_dword(f4->bus, PCI_DEVFN(PCI_SLOT(f4->devfn), 5),