drm_dp_link_power_up(9)

📦 version 7.3.1, in nixpkgs unstable

okay so bestie, welcome to the Kernel API Manual ✨ this one's about drm_dp_link_power_up, and it's genuinely a one-job icon: it powers up a DisplayPort link. that's it. that's the whole vibe. 🦋

✨ NAME ✨

drm_dp_link_power_up — power up a DisplayPort link 💖

🎀 SYNOPSIS 🎀

int drm_dp_link_power_up (struct drm_dp_aux *aux , unsigned char
revision );

🌸 ARGUMENTS 🌸

  • aux — the DisplayPort AUX channel, aka the little chat line this function talks over 💅
  • revision — the DPCD revision that the link supports, so everybody's on the same page, no cap 🫶

⭐ DESCRIPTION ⭐

bestie, it's literally this simple: returns 0 on success, or a negative error code on failure. that's the tea. 🔥

like, no hidden lore, no secret side quests — success is 0, anything negative means it did not slay. 😭

🦋 SEE ALSO 🦋

so many friends in this ecosystem, i'm obsessed 💜 first up, the whole source situation:

  • Kernel file ./drivers/gpu/drm/display/drm_dp_helper.c — dp helpers(9) 👑

and then the entire group chat, fr fr:

ngl that's a whole contact list, but every single one of them is iconic in their own right 💀💖

🧚 sign-off 🧚

and that's the page, bestie!! this one lives under ./drivers/gpu/drm/display (the source/version bit), dated October 2026 ⭐ so if you ever forget, just remember: drm_dp_link_power_up(9), power up, 0 is good, negative is not, periodt 💅🌈🎀

📦 where this page comes from