radeon_atpx_call(9)

okay so bestie, welcome to radeon_atpx_call(9) from the Kernel API Manual ✨ this is the page for the function that calls an ATPX method, and we’re gonna get into it.

🎀 NAME 🎀

radeon_atpx_call — call an ATPX method. That’s the whole name vibe. periodt. 💅

✨ SYNOPSIS ✨

union acpi_object * radeon_atpx_call (acpi_handle handle , int function
, struct acpi_buffer *params );

🫶 ARGUMENTS 🫶

• handle — the acpi handle being passed in, no cap.
• function — the ATPX function to execute; literally which one gets called.
• params — the ATPX function params. The parameter package, bestie.

💅 DESCRIPTION 💅

Okay so this one executes the requested ATPX function — and yes, it’s for all asics, not just a select few. It returns a pointer to the acpi output buffer. That’s the tea. 🍓

🔗 SEE ALSO 🔗

The kernel file is ./drivers/gpu/drm/radeon/radeon_atpx_handler.c — go peek if you’re nosy (affectionate). 👀

• 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_init(9)
• radeon_atpx_get_client_id(9)
• radeon_atpx_detect(9)
• radeon_register_atpx_handler(9)
• radeon_unregister_atpx_handler(9)

xoxo, your radeon_atpx_call(9) bestie 💖 — signed from the ./drivers/gpu/drm/radeon source/version corner, dated October 2026. mwah 💋