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| author | Badal Nilawar <badal.nilawar@intel.com> | 2023-10-30 14:56:18 +0300 |
|---|---|---|
| committer | Rodrigo Vivi <rodrigo.vivi@intel.com> | 2023-12-21 19:43:32 +0300 |
| commit | 4446fcf220ceab4f6d0cc4ae3b1338a0ceeeb72e (patch) | |
| tree | c65e755716407e3681bca502e5e80ef5cb3adc78 /Documentation/ABI | |
| parent | fef6dd12b45a1a15c24c9df30fb2c27e68984665 (diff) | |
| download | linux-4446fcf220ceab4f6d0cc4ae3b1338a0ceeeb72e.tar.xz | |
drm/xe/hwmon: Expose power1_max_interval
Expose power1_max_interval, that is the tau corresponding to PL1, as a
custom hwmon attribute. Some bit manipulation is needed because of the
format of PKG_PWR_LIM_1_TIME in
PACKAGE_RAPL_LIMIT register (1.x * power(2,y))
v2: Get rpm wake ref while accessing power1_max_interval
v3: %s/hwmon/xe_hwmon/
v4:
- As power1_max_interval is rw attr take lock in read function as well
- Refine comment about val to fix point conversion (Andi)
- Update kernel version and date in doc
v5: Fix review comments (Anshuman)
Acked-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
Reviewed-by: Anshuman Gupta <anshuman.gupta@intel.com>
Signed-off-by: Badal Nilawar <badal.nilawar@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231030115618.1382200-4-badal.nilawar@intel.com
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Diffstat (limited to 'Documentation/ABI')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-driver-intel-xe-hwmon | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-driver-intel-xe-hwmon b/Documentation/ABI/testing/sysfs-driver-intel-xe-hwmon index 1a7a6c23e141..8c321bc9dc04 100644 --- a/Documentation/ABI/testing/sysfs-driver-intel-xe-hwmon +++ b/Documentation/ABI/testing/sysfs-driver-intel-xe-hwmon @@ -59,3 +59,12 @@ Contact: intel-xe@lists.freedesktop.org Description: RO. Energy input of device in microjoules. Only supported for particular Intel xe graphics platforms. + +What: /sys/devices/.../hwmon/hwmon<i>/power1_max_interval +Date: October 2023 +KernelVersion: 6.6 +Contact: intel-xe@lists.freedesktop.org +Description: RW. Sustained power limit interval (Tau in PL1/Tau) in + milliseconds over which sustained power is averaged. + + Only supported for particular Intel xe graphics platforms. |