dm_test_vbl...e_increments(9)

📦 version 7.3.1, in nixpkgs unstable

✨ NAME ✨

dm_test_vblank_control_worker_enable_increments — Test enable bumps IRQ count 🎀

okay so real quick before anything else: hiii bestie 💖 you're on the Kernel API Manual page for dm_test_vblank_control_worker_enable_increments(9), and lowkey this one is a tiny little icon that does exactly one (1) thing, but she does it flawlessly. periodt.

🌸 SYNOPSIS 🌸

void dm_test_vblank_control_worker_enable_increments (struct kunit *test
);

like yes, that's the whole signature, she's not trying to be mysterious 💅

🦋 ARGUMENTS 🦋

  • test — The KUnit test context 🧚 that's it, that's the whole parameter list, no cap

🔥 DESCRIPTION 🔥

So the vibe check here is: when you run the worker with enable set, the active vblank IRQ count must get incremented. That's the whole test. That's the assignment. And she ate. 💀✨

Run the worker with enable set → count goes up. One job, done correctly, no notes. 👑

⭐ SEE ALSO ⭐

Also linking the whole friend group 🫶 because she does not exist in a vacuum, bestie:

Kernel file

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

the rest of the crew:

lowkey the whole amdgpu_dm test suite is just one long group chat and this page is a single message in it 🫶 iykyk

and that's the page bestie!! 🌈✨ source/version is ./drivers/gpu/drm/amd/display/... and she's dated October 2026, signed off as dm_test_vbl...e_increments(9) — mwah 💋 bye ily, go increment something 💜🎀

📦 where this page comes from