dm_test_proc...atchdog_stop(9)

πŸ“¦ version 7.3.1, in nixpkgs unstable

πŸ’… dm_test_process_output_watchdog_stop(9) πŸ’…

okay so this is a page from the Kernel API Manual, and bestie, it's a tiny one but it slaps. it's literally a KUnit test helper for the amdgpu display code, and today we're learning what it does. stay with me 🫢


✨ NAME ✨

dm_test_process_output_watchdog_stop β€” the function that makes sure watchdog_stop actually cancels watchdog_dwork. that's it. that's the whole vibe. πŸŽ€


🌸 SYNOPSIS 🌸

void dm_test_process_output_watchdog_stop (struct kunit *test );

πŸ¦‹ ARGUMENTS πŸ¦‹

  • test β€” the KUnit test context, aka the little ✨situation✨ this test runs inside. it's a struct kunit *, ngl it's basically the test's whole personality holder.

πŸ’œ DESCRIPTION πŸ’œ

so here's the tea β˜• β€” when output.watchdog_timer_stop is true, process_output must cancel a previously scheduled watchdog_timer_dwork. like, that's the assignment. no excuses. this test is literally there to check that the cancel actually happened, and honestly? obsessed with the dedication. πŸ‘‘


πŸ”₯ SEE ALSO πŸ”₯

first up, the kernel file where all this lives:

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

and now the iconic supporting cast β€” the whole friend group, in order, no skips, no cuts πŸ’…:

like, that's a whole roster. ate and left no crumbs, fr fr πŸ“


and that's the page, bestie!! this little cutie comes from the source ./drivers/gpu/drm/amd/display/... and it's dated October 2026, and the manual name it lives under is dm_test_proc...atchdog_stop(9). mwah πŸ’‹ go cancel that dwork, ily πŸ§šπŸ’–

πŸ“¦ where this page comes from