intel_hpd_unblock(9)

okay so bestie, welcome to the Kernel API Manual page for intel_hpd_unblock(9) — it's giving “unblock that HPD pin” energy and I'm obsessed 💅✨

🌸 NAME 🌸

intel_hpd_unblock — Unblock handling of HPD IRQs on an HPD pin, periodt 💖

✨ SYNOPSIS ✨

the whole signature is literally this, no edits:

void intel_hpd_unblock (struct intel_encoder *encoder );

🎀 ARGUMENTS 🎀

• encoder — Encoder to unblock the HPD handling for 🫶

🦋 DESCRIPTION 🦋

okay so here's the tea: this function unblocks the handling of HPD IRQs on the HPD pin of encoder, which was previously blocked by intel_hpd_block. The block was real, and now we're undoing it 💅

Any HPD IRQ raised on the HPD pin while it was blocked will be handled for encoder and for any other encoder sharing the same HPD pin. no cap, that's the whole vibe — those IRQs get handled for encoder and everyone else sharing that same HPD pin 🌈

👑 SEE ALSO 👑

• Kernel file ./drivers/gpu/drm/i915/display/intel_hotplug.c Hotplug(9) — the hotplug lore lives here 📁
• intel_hpd_pin_default(9)
• intel_hpd_irq_storm_detect(9)
• intel_hpd_trigger_irq(9)
• intel_hpd_irq_handler(9)
• intel_hpd_init(9)
• intel_hpd_poll_enable(9)
• intel_hpd_poll_disable(9)
• intel_hpd_block(9)
• intel_hpd_clear_and_unblock(9)

made with 💖 from ./drivers/gpu/drm/i915/display · October 2026 · all about intel_hpd_unblock(9) — byeee bestie, go unblock those HPD IRQs 🎀✨