diff options
Diffstat (limited to 'Documentation/ABI/testing/sysfs-driver-intel-i915-hwmon')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-driver-intel-i915-hwmon | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/Documentation/ABI/testing/sysfs-driver-intel-i915-hwmon b/Documentation/ABI/testing/sysfs-driver-intel-i915-hwmon index 2d6a472eef88..8d7d8f05f6cd 100644 --- a/Documentation/ABI/testing/sysfs-driver-intel-i915-hwmon +++ b/Documentation/ABI/testing/sysfs-driver-intel-i915-hwmon @@ -14,7 +14,9 @@ Description: RW. Card reactive sustained (PL1/Tau) power limit in microwatts. The power controller will throttle the operating frequency if the power averaged over a window (typically seconds) - exceeds this limit. + exceeds this limit. A read value of 0 means that the PL1 + power limit is disabled, writing 0 disables the + limit. Writing values > 0 will enable the power limit. Only supported for particular Intel i915 graphics platforms. |