r100_hpd_init(9)

🎀 r100_hpd_init(9) 🎀

okay so bestie, this one is straight from the Kernel API Manual and it's giving “tiny but important” energy fr fr.

---

✨ NAME ✨

r100_hpd_init — hpd setup callback. 💅

---

🌸 SYNOPSIS 🌸

void r100_hpd_init (struct radeon_device *rdev );

---

🦋 ARGUMENTS 🦋

• rdev — radeon_device pointer

---

💖 DESCRIPTION 💖

okay so this is the part where we setup the hpd pins used by the card (r1xx-r4xx). iconic. it sets the polarity, and enables the hpd interrupts. that's the whole vibe. no cap. ✨

---

👑 SEE ALSO 👑

• Kernel file ./drivers/gpu/drm/radeon/r100.c
• r100_wait_for_vblank(9)
• r100_page_flip(9)
• r100_page_flip_pending(9)
• r100_pm_get_dynpm_state(9)
• r100_pm_init_profile(9)
• r100_pm_misc(9)
• r100_pm_prepare(9)
• r100_pm_finish(9)
• r100_gui_idle(9)
• r100_hpd_sense(9)
• r100_hpd_set_polarity(9)
• r100_hpd_fini(9)
• r100_ring_hdp_flush(9)
• r100_cs_packet_parse_vline(9)

---

xoxo bestie 💖 — source/version: ./drivers/gpu/drm/radeon, date: October 2026 ✨