drm_dp_link_probe(9)

💅 drm_dp_link_probe(9) — Kernel API Manual 🌈

🌸 NAME 🌸

drm_dp_link_probe — probe a DisplayPort link for capabilities, bestie 💖

✨ SYNOPSIS ✨

int drm_dp_link_probe (struct drm_dp_aux *aux , struct drm_dp_link *link
);

🫶 ARGUMENTS 🫶

• aux — DisplayPort AUX channel 🔌
• link — pointer to structure in which to return link capabilities 🎀

💖 DESCRIPTION 💖

okay so the structure filled in by this function can usually be passed directly into drm_dp_link_power_up and drm_dp_link_configure to power up and configure the link based on the link's capabilities. it's giving "probe first, slay after" ✨

Returns 0 on success or a negative error code on failure. periodt 💅

👑 SEE ALSO 👑

Kernel file ./drivers/gpu/drm/tegra/dp.c — and the whole reference squad is right here, no cap 🫶

• drm_dp_link_add_rate(9)
• drm_dp_link_remove_rate(9)
• drm_dp_link_update_rates(9)
• drm_dp_link_configure(9)
• drm_dp_link_choose(9)
• Link training(9)
• drm_dp_link_train_init(9)
• drm_dp_link_train(9)

mwah 💋 — source/version ./drivers/gpu/drm/tegra, dated October 2026, stay iconic bestie 🌟