drm_dp_pcon_pps_default(9)

📦 version 7.3.1, in nixpkgs unstable

🦋 NAME

drm_dp_pcon_pps_default — the ✨iconic✨ little helper that lets the PCON go ahead and fill in the default pps parameters for DSC1.2 between the PCON & the HDMI2.1 sink. No cap, that's literally her whole job 💅

🎀 SYNOPSIS

int drm_dp_pcon_pps_default (struct drm_dp_aux *aux );

🌸 ARGUMENTS

  • aux — the DisplayPort AUX channel, bestie. That's the one little thing she needs from you 🫶

💖 DESCRIPTION

Okay so this is genuinely the simplest queen in the whole file: she returns 0 on success, and if things don't slay she returns a negative error code 😭 That's it. That's the whole vibe check.

ngl, if you get anything negative back, that's your cue to go debug — no cap.

👑 SEE ALSO

Lives in the kernel file ./drivers/gpu/drm/display/drm_dp_helper.c alongside dp helpers(9) — and honestly? The whole friend group shows up here. Every single one, in order, no skips 💜

🌈 the helpers & the AUX-adjacent girlies

🦋 downstream detective work

🧚 AUX init & register era

🍓 psr, crc & descriptors

💅 the DSC squad (her actual department, lowkey)

⭐ LTTPR gang

🔥 phy test patterns & sdp things

🫶 PCON & FRL (her direct coworkers, fr fr)

🌸 backlight besties

🎀 bandwidth math (the main character energy)

okay that's the whole page, bestie — go forth and set those pps defaults 💜✨

source/version: ./drivers/gpu/drm/display · dated October 2026 — mwah, written from the dp helpers section, xoxo 🎀💖

📦 where this page comes from