amdgpu_atpx_power_state(9)

💖 amdgpu_atpx_power_state(9) — power down/up the requested GPU ✨

okay so bestie, this is amdgpu_atpx_power_state(9) straight outta the Kernel API Manual, and it's literally here to power down/up the requested GPU. it's giving “tiny but crucial” energy, fr fr 🫶

🌸 NAME 🌸

amdgpu_atpx_power_state — power down/up the requested GPU.

✨ SYNOPSIS ✨

int amdgpu_atpx_power_state (enum vga_switcheroo_client_id id , enum
vga_switcheroo_state state );

🎀 ARGUMENTS 🎀

• id — the GPU you're powering down/up, no cap.
• state — requested power state (0 = off, 1 = on).

🦋 DESCRIPTION 🦋

It executes the necessary ATPX function to power down/up the discrete GPU — all asics, periodt 💅. Returns 0 on success, error on failure. that's it, that's the vibe.

🌈 SEE ALSO 🌈

• Kernel file: ./drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c
• amdgpu_atpx_call(9)
• amdgpu_atpx_parse_functions(9)
• amdgpu_atpx_validate(9)
• amdgpu_atpx_verify_interface(9)
• amdgpu_atpx_set_discrete_state(9)
• amdgpu_atpx_switch_disp_mux(9)
• amdgpu_atpx_switch_i2c_mux(9)
• amdgpu_atpx_switch_start(9)
• amdgpu_atpx_switch_end(9)
• amdgpu_atpx_switchto(9)
• amdgpu_atpx_pci_probe_handle(9)
• amdgpu_atpx_init(9)
• amdgpu_atpx_get_client_id(9)
• amdgpu_atpx_detect(9)
• amdgpu_register_atpx_handler(9)
• amdgpu_unregister_atpx_handler(9)

mwah 💋 this lil page is sourced from ./drivers/gpu/drm/amd/amdgpu, dated October 2026, and lives in the Kernel API Manual under amdgpu_atpx_power_state(9). slay 🌟