dm_test_sho...sion_differs(9)

💅 dm_test_sho...sion_differs(9)

okay so this is a page from the Kernel API Manual bestie, and it's literally about one tiny little KUnit test that checks whether a partial match — the revision, specifically — correctly fails 💀✨

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🌸 NAME

dm_test_should_disable_stutter_revision_differs — Test a partial match (revision) fails 🎀

like, the whole entire point of this function is: when only the revision differs, the partial match should NOT succeed. it should fail. that's the vibe check it's running 🫶

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✨ SYNOPSIS

void dm_test_should_disable_stutter_revision_differs (struct kunit *test
);

that's it, that's the whole signature 💅 returns void, takes one arg, done.

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🦋 ARGUMENTS

• test — The KUnit test context 😌 literally the test framework's lil handbag of state, it gets passed straight in

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🔥 SEE ALSO

the kernel file it lives in, no cap:

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

and its sibling tests, all iconic, all in the same friend group 👑:

• dm_test_quirks_aux_hpd_discon_reset(9)
• dm_test_quirks_edp0_on_dp1_reset(9)
• dm_test_quirks_no_dmi_match_both_false(9)
• dm_test_should_disable_stutter_match(9)
• dm_test_should_disable_stutter_no_match(9)

ngl if you're reading this page you're probably deep in the AMD display quirk tests — go say hi to the whole crew above, they're all linked for a reason 💜

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alright bestie that's the whole page 🌈 it's from ./drivers/gpu/drm/amd/display/..., dated October 2026, and the title up top is dm_test_sho...sion_differs(9) in case you forgot already 😭 mwah, go run your tests, periodt 🍓💖