smu7_init_power_gate_state(9)

💜 smu7_init_power_gate_state(9) 💜

okay bestie, welcome to the Kernel API Manual, section 9, and today's main character is smu7_init_power_gate_state — literally the glow-up ritual that gets PowerGating States initialized for the different engines. no cap, it's giving "beauty routine but for silicon" ✨

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🌸 NAME 🌸

smu7_init_power_gate_state — initialize PowerGating States for different engines 🎀

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✨ SYNOPSIS ✨

int smu7_init_power_gate_state (struct pp_hwmgr *hwmgr );

that's it, that's the whole vibe check. one function, one pointer, zero drama 💅

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🦋 ARGUMENTS 🦋

• hwmgr — the address of the powerplay hardware manager. like, the actual address, bestie, not a copy — she's handing over the plug so the hardware manager can get the business 🫶

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⭐ RETURN ⭐

always 0. not "usually", not "sometimes", not "depends on her mood" — always 0. she said success and she meant it, periodt 👑

lowkey iconic that there's no error path here. if you were bracing for failure, you can unclench 😭

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🌈 SEE ALSO 🌈

first up, the source of truth, the mothership herself:

• Kernel file ./drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c

and then the whole friend group — go say hi, they all live in section 9 together 💖

• smu7_get_mc_microcode_version(9)
• smu7_enable_smc_voltage_controller(9)
• smu7_voltage_control(9)
• smu7_enable_voltage_control(9)
• smu7_construct_voltage_tables(9)
• smu7_program_static_screen_threshold_parameters(9)
• smu7_enable_display_gap(9)
• smu7_program_voting_clients(9)
• smu7_initial_switch_from_arbf0_to_f1(9)
• smu7_get_evv_voltages(9)
• smu7_patch_ppt_v1_with_vdd_leakage(9)
• smu7_patch_lookup_table_with_leakage(9)
• smu7_patch_ppt_v0_with_vdd_leakage(9)
• smu7_program_display_gap(9)
• smu7_set_max_fan_rpm_output(9)
• smu7_get_memory_type(9)
• smu7_enable_acpi_power_management(9)

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and that's the page, bestie 🧚‍♀️ mwah 💋 — brought to you by ./drivers/gpu/drm/amd/pm/power... (the source/version, showing off as always), stamped October 2026, and filed under section 9 of smu7_init_power_gate_state(9). see u in the next manpage, love u, bye 🍓🌸