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The CPU/APU SMU FW version and program is currently discoverable by turning on dynamic debugging or examining debugfs for the amdgpu driver. To make this more discoverable, create a dedicated sysfs file for it that userspace can parse without debugging enabled. Signed-off-by: Mario Limonciello <mario.limonciello@amd.com> Link: https://lore.kernel.org/r/20220914141850.259-1-mario.limonciello@amd.com Reviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
14 lines
607 B
Plaintext
14 lines
607 B
Plaintext
What: /sys/bus/platform/drivers/amd_pmc/*/smu_fw_version
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Date: October 2022
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Contact: Mario Limonciello <mario.limonciello@amd.com>
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Description: Reading this file reports the version of the firmware loaded to
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System Management Unit (SMU) contained in AMD CPUs and
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APUs.
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What: /sys/bus/platform/drivers/amd_pmc/*/smu_program
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Date: October 2022
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Contact: Mario Limonciello <mario.limonciello@amd.com>
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Description: Reading this file reports the program corresponding to the SMU
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firmware version. The program field is used to disambiguate two
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APU/CPU models that can share the same firmware binary.
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