dm_test_fil...dcc_gfx9_64b(9)

📦 version 7.3.1, in nixpkgs unstable

✨ NAME ✨

okay so this page is the manual entry for dm_test_fil...dcc_gfx9_64b(9) — that's the shortened version of the whole entire function name, which is dm_test_fill_gfx9_plane_attributes_dcc_gfx9_64b, and it's a KUnit test whose whole job is to verify legacy 64B mode 💅

it lives in the Kernel API Manual, section 9, bestie. iykyk.

🌸 SYNOPSIS 🌸

void dm_test_fill_gfx9_plane_attributes_dcc_gfx9_64b (struct kunit *test
);

that's it. that's the whole signature. no hidden little extras, no sneaky optional params 🎀

💅 ARGUMENTS 💅

  • test — the KUnit test context. yeah that's literally the only thing it takes, she's low maintenance like that 🦋

🫶 DESCRIPTION 🫶

so what does she actually do? she verifies whether a pre-RBPLUS GFX9 modifier with the 64B independent block bit selects the 64B block mode ✨

that's the vibe check. one modifier, one bit, one mode, and she's making sure the selection lands where it should 🔥

🎀 SEE ALSO 🎀

if you're nosy (affectionate) and wanna read the whole friend group, here's every single one — no gatekeeping, no cap 🌈

the kernel file:

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

and the whole crew of sibling tests 👑

ngl that's a lot of siblings but every one of them ate, fr fr 💀💖

that's the whole page bestie, go forth and slay 🧚‍♀️✨ sourced from ./drivers/gpu/drm/amd/display/... in the Kernel API Manual, dated October 2026 — mwah, take care of her 🎀🫶

📦 where this page comes from