radeon_atpx_init(9)

💅 radeon_atpx_init(9) — like, the Kernel API Manual, bestie 🎀

okay so welcome to radeon_atpx_init(9), the little function that goes "hey, is that ATPX interface actually, y'know, there?" before anything else touches it. it's giving introvert at the party — it just checks the vibe and reports back. ✨

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🌸 NAME 🌸

radeon_atpx_init — verify the ATPX interface, no cap 🔍

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🦋 SYNOPSIS 🦋

int radeon_atpx_init (void );

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🎀 ARGUMENTS 🎀

• void — literally no arguments. zero. none. she takes nothing and she's fine with that. 💅

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💖 DESCRIPTION 💖

So basically: radeon_atpx_init verifies the ATPX interface (all asics). That's the whole job, and she does it iconically.

Returns 0 on success, error on failure. That's it, that's the tea. 🍓

bestie this is the vibe check before the real work — if it comes back non-zero, something's off and you should lowkey pay attention. 😭

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⭐ SEE ALSO ⭐

• Kernel file ./drivers/gpu/drm/radeon/radeon_atpx_handler.c

and the whole ATPX friend group, fr fr:

• radeon_atpx_call(9)
• radeon_atpx_parse_functions(9)
• radeon_atpx_validate(9)
• radeon_atpx_verify_interface(9)
• radeon_atpx_set_discrete_state(9)
• radeon_atpx_switch_disp_mux(9)
• radeon_atpx_switch_i2c_mux(9)
• radeon_atpx_switch_start(9)
• radeon_atpx_switch_end(9)
• radeon_atpx_switchto(9)
• radeon_atpx_power_state(9)
• radeon_atpx_pci_probe_handle(9)
• radeon_atpx_get_client_id(9)
• radeon_atpx_detect(9)
• radeon_register_atpx_handler(9)
• radeon_unregister_atpx_handler(9)

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and that's the whole page, mwah 💋 this one came straight out of the ./drivers/gpu/drm/radeon corner of the kernel, dated October 2026 — go drink some water and go touch grass, ily 🫶💜