dm_test_crt...cted_display(9)

📦 version 7.3.1, in nixpkgs unstable

💅 dm_test_crtc_is_headless_disconnected_display(9) ✨

okay so bestie, welcome to the Kernel API Manual 🎀 — yes we're reading kernel docs together, this is our bonding era 🫶. This page is all about dm_test_crtc_is_headless_disconnected_display, which (say it with me) tests whether a Crtc is a headless disconnected display 💖. We love a name that tells you exactly what it does. no cap. 👑

🌸 NAME 🌸

dm_test_crtc_is_headless_disconnected_display — literally does what it says on the tin: it's the test for Crtc is headless disconnected display 🦋. (Crtc = cathode ray tube controller, historic name, still iconic, iykyk 💅.)

✨ SYNOPSIS ✨

void dm_test_crtc_is_headless_disconnected_display (struct kunit *test
);

that's it. one function, returns nothing, takes one pointer, slays and leaves 🔥.

🍓 ARGUMENTS 🍓

  • test — The KUnit test context 💜. this is your little test-scoped bag of goodies that KUnit hands you so the test knows where it lives. that's the whole job. loves it. 🧚

⭐ SEE ALSO ⭐

okay this is the part where the manpage goes full main-character energy and lists the entire friend group 😭 — like, every sibling test in the suite. no gatekeeping here, all of them, in order:

also, the Kernel file where all this lives 👇

./drivers/gpu/drm/amd/display/amdgpu_dm/tests/amdgpu_dm_crtc_test.c

(yes the optimze spelling in those static-screen ones is exactly how it's spelled — not me, not a typo I made, we keep it verbatim bestie 💀🙈)

ngl, if you're poking at the AMD display KUnit tests, this is your girl. go read the file. it's right there. 🔥

💖 xoxo, this page was served up by the Kernel API Manual, from ./drivers/gpu/drm/amd/display/..., dated October 2026, and it signs off as dm_test_crt...cted_display(9) — periodt. 💅✨🎀

📦 where this page comes from