dm_test_hand...ts_link_caps(9)

📦 version 7.3.1, in nixpkgs unstable

okay so bestie, welcome to the <pink>Kernel API Manual</pink> ✨ — this is the page for dm_test_hand...ts_link_caps(9), aka the little KUnit test that makes sure your DisplayPort connector isn't out here being weird about link caps. sit down, hydrate, let's go 🫶

✨ NAME ✨

dm_test_handle_edid_mgmt_dp_sets_link_caps — the test that checks DP seeds its verified link caps 🌈

🎀 SYNOPSIS 🎀

void dm_test_handle_edid_mgmt_dp_sets_link_caps (struct kunit *test );

💖 ARGUMENTS 💖

  • test — the KUnit test context 🧚 that's it, that's the whole argument list, she's low maintenance

🦋 DESCRIPTION 🦋

okay so here's the vibe: for a DisplayPort link, this function primes verified_link_cap before it reads the EDID 👑 and the whole reason is iconic — it means a headless force-on connector can still modeset 💅 like, even with nothing plugged into your eyeballs, the connector still gets to do its thing. slay.

🌟 SEE ALSO 🌟

first up, the kernel file this all lives in — no cap, this is literally the source 🍓:

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

and now the full friend group 💜 — every single one of these, in order, because we don't skip anyone at this table:

💀 yes bestie, that's all of them, i counted, we do not leave a single cross-reference behind, that's just how we roll 😭👑

anyway that's the page 🦋 — this one comes from ./drivers/gpu/drm/amd/display/... and it's dated October 2026, so like, mark your calendars, she's from the future and she's still serving ✨ mwah, go read some more manpages, ily, bye 💖🎀

📦 where this page comes from