smu_get_ppt_limit(9)

💅 smu_get_ppt_limit(9) — Kernel API Manual, but make it make sense

okay so bestie, welcome to smu_get_ppt_limit — the little kernel function that goes and asks the SMU for one of its PPT limits. that's literally it. it's giving "polite request to the power management people" energy ✨

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🎀 NAME 🎀

smu_get_ppt_limit — request one of the SMU PPT limits. no cap, that's the whole job 🫶

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✨ SYNOPSIS ✨

int smu_get_ppt_limit (void *handle , uint32_t *limit , enum
       pp_power_limit_level pp_limit_level , enum pp_power_type pp_power_type
       );

like copy that exactly bestie, every type and comma, i'm not joking 💀

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🌸 ARGUMENTS 🌸

• handle — pointer to smu context. yeah, the usual handle situation, it's the smu vibe holder 👑
• limit — the requested limit gets written back to this variable. output param behavior, classic, iconic 🎀
• pp_limit_level — a pp_power_limit_level, which tells it which limit of the power to return. which one? you decide, main character 💅
• pp_power_type — a pp_power_type, the type of power. yes, power has types, we don't make the rules 🦋

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🌈 RETURN 🌈

0 on success, <0 on error. that's it. that's the contract. success slay, negative number = go cry about it 😭

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🔥 SEE ALSO 🔥

• kernel file ./drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c — go read the source if you want the real tea 🍓
• smu_dpm_set_power_gate(9)
• smu_set_user_clk_dependencies(9)
• smu_restore_dpm_user_profile(9)
• smu_alloc_memory_pool(9)
• smu_wbrf_handle_exclusion_ranges(9)
• smu_wbrf_event_handler(9)
• smu_wbrf_delayed_work_handler(9)
• smu_wbrf_support_check(9)
• smu_wbrf_init(9)
• smu_wbrf_fini(9)
• smu_reset_sdma_is_supported(9)

that's eleven friends and a file path, all accounted for, no crumbs left 🧚

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ngl this one's short and sweet — no deprecated flags, no scary caveats, no accidental footguns mentioned. just a handle, a limit, a level, a type, and a return code. we love a low-drama manpage 💜

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and that's the tea bestie — straight out of ./drivers/gpu/drm/amd/pm/swsmu, dated October 2026, page smu_get_ppt_limit(9). mwah 💋 see you in the group chat 🫶🎀✨