dm_test_fil...o_nv12_dcn1x(9)

📦 version 7.3.1, in nixpkgs unstable

💅 dm_test_fil...o_nv12_dcn1x(9) — like, the Kernel API Manual page, bestie ✨

okay so quick vibe check: you're in the Kernel API Manual, section 9, and this is the page for dm_test_fil...o_nv12_dcn1x. yes the title got truncated, no that's not my fault, that's just how the header line came out. it's giving "long function name, limited screen real estate" 😭 anyway. buckle up. 🎀

🌸 NAME 🌸

dm_test_fill_dc_scaling_info_nv12_dcn1x — literally just verifying that NV12 gets rejected on DCN1x. that's the whole assignment. iconic, honestly. 💅

✨ SYNOPSIS ✨

void dm_test_fill_dc_scaling_info_nv12_dcn1x (struct kunit *test );

one function, one argument, zero drama (well — the test is about drama, but the signature is chill). 🦋

🫶 ARGUMENTS 🫶

  • test — the KUnit test context. it's the group chat the test lives in. hand it over and you're good. 🧚

🔥 DESCRIPTION 🔥

so here's the tea, bestie: this test verifies if a non-zero NV12 source origin is rejected on DCN 1.0. why? because we're avoiding the known DCN1x hang. like, that hang is not invited to the party. non-zero source origin + NV12 + DCN 1.0 = the vibe check that must fail, and this test makes sure it does. periodt. 💀

no cap: the whole point is the rejection. if it doesn't get rejected, the hang shows up, and the hang is a hater. 🚫

👑 SEE ALSO 👑

📁 Kernel file

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

🍓 the whole friend group (yes, all of them, in order)

and that's the whole page, bestie 🌈 no crumbs, every single reference accounted for, iykyk. 💖

cute little sign-off: this came out of the Kernel API Manual, lives under ./drivers/gpu/drm/amd/display/..., and was dated October 2026 — so yeah, it's a whole timestamped masterpiece. go forth and let NV12 with a non-zero source origin get absolutely rejected on DCN 1.0. slay. 🎀💜

📦 where this page comes from