dm_test_get_...lane_scaling(9)

📦 version 7.3.1, in nixpkgs unstable

💅 dm_test_get_...lane_scaling(9) 💅

ok so bestie, welcome to the Kernel API Manual ✨ this lil page is all about one very specific KUnit test, and like… it's genuinely iconic in a deeply nerdy way, so buckle up 🎀

🌸 NAME 🌸

dm_test_get_min_max_dc_plane_scaling — the test that verifies format-specific cap selection and the whole 1->1000 conversion situation. no cap, that's literally what it does 💖

🦋 SYNOPSIS 🦋

void dm_test_get_min_max_dc_plane_scaling (struct kunit *test );

she takes one arg, she takes no nonsense, periodt ⭐

🍓 ARGUMENTS 🍓

  • test — the KUnit test context. that's it, that's the whole argument bestie, she's low-maintenance 💅

✨ DESCRIPTION ✨

ok so the actual job here: this test verifies if the min/max scaling values are correct for the NV12 and XRGB8888 formats. two formats, one vibe check, and if the numbers are off she Will let you know 😭🔥

it's giving "small test, big responsibility" fr fr 🫶

👑 SEE ALSO 👑

ok this list is LONG, like, unreasonably long, but every single one of these is part of the family so we're listing them all, no skipping, we don't do that here 💀💖

first up, the kernel file itself:

  • ./drivers/gpu/drm/amd/display/amdgpu_dm/tests/amdgpu_dm_plane_test.c

and now the whole squad 🌈:

like I said. the whole squad. iykyk 🧚💜

and that's the page!! 🦋 this absolute gem lives under ./drivers/gpu/drm/amd/display/... and it's dated October 2026 — so yeah, she's from the future, main character energy only 👑✨ bye bestie, go read your kernel tests 💖🎀
📦 where this page comes from