dm_test_fill...ifier_linear(9)

📦 version 7.3.1, in nixpkgs unstable

💅 dm_test_fill...ifier_linear(9) — like, the manual page bestie

okay so real talk, this is a page from the Kernel API Manual (section 9, the kernel-docs girlies know ✨), and the star of the show is dm_test_fill_gfx9_tiling_info_from_modifier_linear. she's a KUnit test and she's here to check that the linear modifier path doesn't go rogue and keeps the values it got from device configuration. obsessed.

🌸 NAME 🌸

dm_test_fill_gfx9_tiling_info_from_modifier_linear — verify that a non-AMD modifier keeps the device values. no cap, that's the whole job 🫶

✨ SYNOPSIS ✨

void dm_test_fill_gfx9_tiling_info_from_modifier_linear (struct kunit
test );

like, that's her. that's the signature 💅

🎀 ARGUMENTS 🎀

  • test — the KUnit test context. that's it, that's the whole argument list, she travels light 🦋

💖 DESCRIPTION 💖

so what she actually does: she verifies whether the linear modifier path keeps the values that came from the device configuration. literally just a vibe check on whether the config values survive the linear modifier path intact 👑

no extra lore here bestie — if the page doesn't say it, i'm not making it up. periodt.

🔥 SEE ALSO 🔥

first up, the kernel file she lives in:

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

and now the extended friend group 😭 — every single one of these, no skipping:

and that's the page bestie 🧚 sign-off time: this one's sourced from ./drivers/gpu/drm/amd/display/..., dated October 2026. literally iconic of her. mwah 💜

📦 where this page comes from