dm_test_lp_...native_write(9)

📦 version 7.3.1, in nixpkgs unstable

🌸 dm_test_lp_write_dpcd_forwards_native_write(9) 🌸

okay so bestie, welcome to the Kernel API Manual 💖 this one's a KUnit test in the AMD display driver fam, and honestly? it's giving "short but iconic." let's get into it ✨

💅 NAME

dm_test_lp_write_dpcd_forwards_native_write — the test that checks a write actually forwards a native write. that's it, that's the vibe 🎀

✨ SYNOPSIS

void dm_test_lp_write_dpcd_forwards_native_write (struct kunit *test );

🫶 ARGUMENTS

  • test — the KUnit test context 💜 that's the only thing it takes, bestie. one (1) argument. minimalist queen.

🔥 DESCRIPTION

so here's the tea ☕: lp_write_dpcd has exactly one job in this scenario, and the test is holding it to that standard. it must issue a single DP_AUX_NATIVE_WRITE at the requested address for the requested size. one write. single. not two, not some weird batched situation — one. 🎯

like, the whole point is that the forwarding is clean and correct, and this test is the vibe check that makes sure of it ✨

ngl this is one of those tiny tests that keeps the whole AUX plumbing honest, and we stan 🫶

🌈 SEE ALSO

and now, the part where I list literally every sibling in the family, because they all matter 💖 (no skips, no summarising, we respect the whole roster):

the kernel file lives at ./drivers/gpu/drm/amd/display/amdgpu_dm/tests/amdgpu_dm_hdcp_test.c 🦋

and the cast, in order:

and that's the whole page, bestie 💜 no cap, that's genuinely everything.

this lil doc ships from ./drivers/gpu/drm/amd/display/..., dated October 2026, and it's filed as dm_test_lp_...native_write(9) in the Kernel API Manual 🎀 slay, go read some more man pages, ily, bye 💖✨

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