evergreen_hpd_fini(9)

okay so, bestie, welcome to evergreen_hpd_fini(9) — the Kernel API Manual page that has one job and is literally iconic for it. no cap, we're keeping every detail, just making it cute. 💅✨

✨ NAME ✨

evergreen_hpd_fini — hpd tear down callback. that's the whole name, and it ate. periodt. 🎀

🦋 SYNOPSIS 🦋

the vibe check is one line of C, fr fr:

void evergreen_hpd_fini (struct radeon_device *rdev );

🎀 ARGUMENTS 🎀

• rdev — a radeon_device pointer. hand it over, bestie. 🫶

💅 DESCRIPTION 💅

okay so here's the tea: this is the hpd tear down callback. it tears down the hpd pins used by the card (evergreen+), and it disables the hpd interrupts. that's it. that's the function. lowkey a tiny main character, highkey important. 🔥

🌈 SEE ALSO 🌈

if you're going down the kernel rabbit hole, these are the linked besties — every single one is invited to the group chat 🧚:

• Kernel file ./drivers/gpu/drm/radeon/evergreen.c — that's the one.
• evergreen_get_allowed_info_register(9)
• dce4_wait_for_vblank(9)
• evergreen_page_flip(9)
• evergreen_page_flip_pending(9)
• sumo_pm_init_profile(9)
• btc_pm_init_profile(9)
• evergreen_pm_misc(9)
• evergreen_pm_prepare(9)
• evergreen_pm_finish(9)
• evergreen_hpd_sense(9)
• evergreen_hpd_set_polarity(9)
• evergreen_hpd_init(9)
• evergreen_bandwidth_update(9)
• evergreen_mc_wait_for_idle(9)
• evergreen_gfx_is_lockup(9)

kisses and sparkles from the ./drivers/gpu/drm/radeon source/version corner, dated October 2026 💖🫶