radeon_doorbell_init(9)

okay so bestie, this is the radeon_doorbell_init(9) page from the Kernel API Manual, and it’s genuinely so cozy in here 💖

🌸 NAME 🌸

radeon_doorbell_init — Init doorbell driver information. That’s the whole vibe, no cap.

✨ SYNOPSIS ✨

int radeon_doorbell_init (struct radeon_device *rdev );

🎀 ARGUMENTS 🎀

• rdev — radeon_device pointer. That’s the one and only argument, bestie 🫶

🦋 DESCRIPTION 🦋

Okay so here’s the tea: it inits doorbell driver information for CIK 💅

Returns 0 on success, and an error on failure. Slay if it works, error if it doesn’t 😭

💅 SEE ALSO 💅

Kernel file: ./drivers/gpu/drm/radeon/radeon_device.c

And the whole friend group is here:

• radeon_program_register_sequence(9)
• radeon_surface_init(9)
• radeon_scratch_init(9)
• radeon_scratch_get(9)
• radeon_scratch_free(9)
• radeon_doorbell_fini(9)
• radeon_doorbell_get(9)
• radeon_doorbell_free(9)
• radeon_wb_disable(9)
• radeon_wb_fini(9)
• radeon_wb_init(9)
• radeon_vram_location(9)
• radeon_gtt_location(9)
• radeon_card_posted(9)
• radeon_update_bandwidth_info(9)
• radeon_boot_test_post_card(9)
• radeon_dummy_page_init(9)
• radeon_dummy_page_fini(9)
• cail_pll_read(9)
• cail_pll_write(9)
• cail_mc_read(9)
• cail_mc_write(9)
• cail_reg_write(9)
• cail_reg_read(9)
• cail_ioreg_write(9)
• cail_ioreg_read(9)
• radeon_atombios_init(9)
• radeon_atombios_fini(9)
• radeon_combios_init(9)
• radeon_combios_fini(9)
• radeon_vga_set_decode(9)
• radeon_gart_size_auto(9)
• radeon_check_arguments(9)
• radeon_switcheroo_set_state(9)
• radeon_switcheroo_can_switch(9)
• radeon_device_init(9)
• radeon_device_fini(9)
• radeon_gpu_reset(9)

Source/version sign-off: this cutie lives in ./drivers/gpu/drm/radeon, dated October 2026 — bye bestie, ily 💖✨