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authorLinus Torvalds <torvalds@linux-foundation.org>2016-01-29 13:20:39 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2016-01-29 13:20:39 -0800
commitf51d4d7826d64dee2c421267c7bd44c4d52805c5 (patch)
tree3a5a243f143869678c4c83bf5fbb3e93f3e110f6
parenta12883f0af7a4ccc74381395fab5912784183efe (diff)
parent60dee3ca27b3613e6519df52d02eadf71f853859 (diff)
Merge tag 'hwmon-for-linus-v4.5-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon fixes from Guenter Roeck: - Use bit mask to calculate tdp limit in fam15h_power driver - Black-list Dell Studio XPS 8000 in dell-smm driver * tag 'hwmon-for-linus-v4.5-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: hwmon: (fam15h_power) Add bit masking for tdp_limit hwmon: (dell-smm) Blacklist Dell Studio XPS 8000
-rw-r--r--drivers/hwmon/dell-smm-hwmon.c11
-rw-r--r--drivers/hwmon/fam15h_power.c10
2 files changed, 20 insertions, 1 deletions
diff --git a/drivers/hwmon/dell-smm-hwmon.c b/drivers/hwmon/dell-smm-hwmon.c
index c8487894b312..c43318d3416e 100644
--- a/drivers/hwmon/dell-smm-hwmon.c
+++ b/drivers/hwmon/dell-smm-hwmon.c
@@ -932,6 +932,17 @@ MODULE_DEVICE_TABLE(dmi, i8k_dmi_table);
static struct dmi_system_id i8k_blacklist_dmi_table[] __initdata = {
{
/*
+ * CPU fan speed going up and down on Dell Studio XPS 8000
+ * for unknown reasons.
+ */
+ .ident = "Dell Studio XPS 8000",
+ .matches = {
+ DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+ DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Studio XPS 8000"),
+ },
+ },
+ {
+ /*
* CPU fan speed going up and down on Dell Studio XPS 8100
* for unknown reasons.
*/
diff --git a/drivers/hwmon/fam15h_power.c b/drivers/hwmon/fam15h_power.c
index f77eb971ce95..4f695d8fcafa 100644
--- a/drivers/hwmon/fam15h_power.c
+++ b/drivers/hwmon/fam15h_power.c
@@ -90,7 +90,15 @@ static ssize_t show_power(struct device *dev,
pci_bus_read_config_dword(f4->bus, PCI_DEVFN(PCI_SLOT(f4->devfn), 5),
REG_TDP_LIMIT3, &val);
- tdp_limit = val >> 16;
+ /*
+ * On Carrizo and later platforms, ApmTdpLimit bit field
+ * is extended to 16:31 from 16:28.
+ */
+ if (boot_cpu_data.x86 == 0x15 && boot_cpu_data.x86_model >= 0x60)
+ tdp_limit = val >> 16;
+ else
+ tdp_limit = (val >> 16) & 0x1fff;
+
curr_pwr_watts = ((u64)(tdp_limit +
data->base_tdp)) << running_avg_range;
curr_pwr_watts -= running_avg_capture;