a6a924abf8
Extend hwmon power/energy for XEHPSDV especially per gt level energy
usage.
v2: Update to latest HWMON spec (Ashutosh)
v3: Fix review comments (Ashutosh)
v4: Fix review comments (Anshuman)
v5: s/hwmon_device_register_with_info/
devm_hwmon_device_register_with_info/ (Ashutosh)
v6: Change contact to intel-gfx (Rodrigo)
GEN12_RPSTAT1 is available for all Gen12+ (Andi)
Signed-off-by: Ashutosh Dixit <ashutosh.dixit@intel.com>
Signed-off-by: Dale B Stimson <dale.b.stimson@intel.com>
Signed-off-by: Badal Nilawar <badal.nilawar@intel.com>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Ashutosh Dixit <ashutosh.dixit@intel.com>
Reviewed-by: Anshuman Gupta <anshuman.gupta@intel.com>
Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
Signed-off-by: Anshuman Gupta <anshuman.gupta@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221013154526.2105579-8-ashutosh.dixit@intel.com
76 lines
2.6 KiB
Plaintext
76 lines
2.6 KiB
Plaintext
What: /sys/devices/.../hwmon/hwmon<i>/in0_input
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Date: February 2023
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KernelVersion: 6.2
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Contact: intel-gfx@lists.freedesktop.org
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Description: RO. Current Voltage in millivolt.
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Only supported for particular Intel i915 graphics platforms.
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What: /sys/devices/.../hwmon/hwmon<i>/power1_max
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Date: February 2023
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KernelVersion: 6.2
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Contact: intel-gfx@lists.freedesktop.org
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Description: RW. Card reactive sustained (PL1/Tau) power limit in microwatts.
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The power controller will throttle the operating frequency
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if the power averaged over a window (typically seconds)
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exceeds this limit.
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Only supported for particular Intel i915 graphics platforms.
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What: /sys/devices/.../hwmon/hwmon<i>/power1_rated_max
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Date: February 2023
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KernelVersion: 6.2
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Contact: intel-gfx@lists.freedesktop.org
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Description: RO. Card default power limit (default TDP setting).
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Only supported for particular Intel i915 graphics platforms.
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What: /sys/devices/.../hwmon/hwmon<i>/power1_max_interval
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Date: February 2023
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KernelVersion: 6.2
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Contact: intel-gfx@lists.freedesktop.org
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Description: RW. Sustained power limit interval (Tau in PL1/Tau) in
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milliseconds over which sustained power is averaged.
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Only supported for particular Intel i915 graphics platforms.
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What: /sys/devices/.../hwmon/hwmon<i>/power1_crit
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Date: February 2023
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KernelVersion: 6.2
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Contact: intel-gfx@lists.freedesktop.org
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Description: RW. Card reactive critical (I1) power limit in microwatts.
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Card reactive critical (I1) power limit in microwatts is exposed
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for client products. The power controller will throttle the
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operating frequency if the power averaged over a window exceeds
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this limit.
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Only supported for particular Intel i915 graphics platforms.
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What: /sys/devices/.../hwmon/hwmon<i>/curr1_crit
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Date: February 2023
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KernelVersion: 6.2
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Contact: intel-gfx@lists.freedesktop.org
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Description: RW. Card reactive critical (I1) power limit in milliamperes.
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Card reactive critical (I1) power limit in milliamperes is
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exposed for server products. The power controller will throttle
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the operating frequency if the power averaged over a window
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exceeds this limit.
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Only supported for particular Intel i915 graphics platforms.
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What: /sys/devices/.../hwmon/hwmon<i>/energy1_input
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Date: February 2023
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KernelVersion: 6.2
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Contact: intel-gfx@lists.freedesktop.org
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Description: RO. Energy input of device or gt in microjoules.
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For i915 device level hwmon devices (name "i915") this
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reflects energy input for the entire device. For gt level
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hwmon devices (name "i915_gtN") this reflects energy input
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for the gt.
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Only supported for particular Intel i915 graphics platforms.
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