dm_test_exec...ull_dmub_srv(9)

📦 version 7.3.1, in nixpkgs unstable

🌸 dm_test_exec...ull_dmub_srv(9) — Kernel API Manual 🌸

okay bestie, so this page is literally titled dm_test_exec...ull_dmub_srv(9) and it lives in the Kernel API Manual — yes, the manual name is the same thing twice, that's just how the kernel do. pull up a chair, we're gonna talk about a KUnit test 🫶

✨ NAME ✨

dm_test_execute_fused_io_null_dmub_srv — the test that checks fused IO fails when there's no DMUB service. like, it's supposed to fail, that's the whole point, and that's iconic of it honestly 💅

🎀 SYNOPSIS 🎀

void dm_test_execute_fused_io_null_dmub_srv (struct kunit *test );

that's it, that's the whole signature, no cap ✨

🦋 ARGUMENTS 🦋

  • test — the KUnit test context. that's the little world this test lives in, it hands you the context and you do your thing with it 🧚

💜 SEE ALSO 💜

first things first, the kernel file this lives in — go read it, it's giving main character energy:

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

and now the whole friend group, every single one of them, no skipping, because they're all part of the squad 🫶:

like... that's the whole roster, and every one of them ate, fr fr 🔥

okay that's the page!! source is ./drivers/gpu/drm/amd/display/... and it's dated October 2026, so mark your calendar bestie, this one's from the future (or at least from the future of this doc) 💀✨ mwah, go run your KUnit tests, ily, bye!! 🎀💖🦋

📦 where this page comes from