dm_test_veri...3d_bad_lut3d(9)

📦 version 7.3.1, in nixpkgs unstable

💅 dm_test_verify_lut3d_bad_lut3d — Kernel API Manual

okay so bestie, welcome to the man page for dm_test_verify_lut3d_bad_lut3d(9) — yes that's the whole name, it's a long one, we don't gatekeep 🎀 it lives in the <pink>Kernel API Manual</pink> section and honestly? it's giving "one job, does it well." ✨

🌸 NAME 🌸

dm_test_verify_lut3d_bad_lut3d — a 3D LUT with the wrong size, which absolutely must return -EINVAL. no cap. that's the entire vibe check 💀

✨ SYNOPSIS ✨

void dm_test_verify_lut3d_bad_lut3d (struct kunit *test );

like, it returns void, it takes one thing, it's not complicated, she's lowkey iconic for it 🫶

🦋 ARGUMENTS 🦋

  • test — the KUnit test context. that's her little backstage pass, the thing that lets the test framework keep track of what's going on 🎀

💜 SEE ALSO 💜

🧚 the kernel file itself

  • ./drivers/gpu/drm/amd/display/amdgpu_dm/tests/amdgpu_dm_color_test.c — go read the source bestie, it's all in there 🌈

👑 all the siblings (yes, all of them, we're not skipping anyone)

ok so quick recap for the girlies in the back: bad LUT, wrong size, -EINVAL, every time. that's the whole test. she's a one-trick pony and honestly? ate. 🔥

signing off from the <hotpink>./drivers/gpu/drm/amd/display/...</hotpink> corner of the tree, dated <cyan>October 2026</cyan> — stay slay, stay validated, and remember: the wrong size never gets past her 💅💖

📦 where this page comes from