amdgpu_atpx_detect(9)

💅 amdgpu_atpx_detect(9) — from the Kernel API Manual, bestie

okay so picture this: you're deep in the kernel API manual, right, and you stumble on amdgpu_atpx_detect. Sounds scary. It is not. Let's get into it ✨

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🌸 NAME 🌸

amdgpu_atpx_detect — literally just here to detect whether we have PX 🕵️‍♀️

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🎀 SYNOPSIS 🎀

bool amdgpu_atpx_detect (void );

like… that's the whole thing. she's simple. she's iconic. she returns a bool. periodt 💅

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🦋 ARGUMENTS 🦋

• void — no arguments. none. zero. nada. she takes nothing and she gives you a bool, and honestly? main character energy 🫶

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🔥 DESCRIPTION 🔥

okay so the actual job: check if we have a PX system, and this goes for all asics — every single one, no cap.

Returns true if we have a PX system, false if not. that's it. that's the function. she ate and left no crumbs 🍓

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⭐ SEE ALSO ⭐

the kernel file lives right here, iykyk:

./drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c

and here's the whole friend group, all of them, no one left out 💜:

• 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_power_state(9)
• amdgpu_atpx_pci_probe_handle(9)
• amdgpu_atpx_init(9)
• amdgpu_atpx_get_client_id(9)
• amdgpu_register_atpx_handler(9)
• amdgpu_unregister_atpx_handler(9)

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ngl bestie, this page is short and sweet — the real lore is in those amdgpu_atpx_* siblings up there. go say hi to them next 🌈

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and that's a wrap, babe 🧚 from ./drivers/gpu/drm/amd/amdgpu, dated October 2026, in the Kernel API Manual. slay, bye 👑💖