dm_test_set...ll_connector(9)

🎀 dm_test_set...ll_connector(9) — like, the KUnit page for when your connector is literally NULL 🎀

okay so bestie, welcome to the Kernel API Manual 💖 this one is a KUnit test page — a tiny little slice of the manual, but honestly? iconic behavior.

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✨ NAME ✨

dm_test_set_psr_caps_null_connector — a NULL connector gets rejected. that's it, that's the whole vibe. no cap. 💅

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🦋 SYNOPSIS 🦋

void dm_test_set_psr_caps_null_connector (struct kunit *test );

like yes, that's genuinely the entire signature. slay.

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🌸 ARGUMENTS 🌸

• test — the KUnit test context. it's the little group-chat that holds everything the test needs to run 🫶

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👑 SEE ALSO 👑

🍓 The kernel file (source, bestie, the receipts)

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

💜 The whole friend group (all (9) pages, no skips)

• dm_test_link_supports_psrsu_no_dmcub(9)
• dm_test_link_supports_psrsu_old_dcn(9)
• dm_test_link_supports_psrsu_panel_unsupported(9)
• dm_test_link_supports_psrsu_missing_alpm(9)
• dm_test_link_supports_psrsu_missing_y_coordinate(9)
• dm_test_link_supports_psrsu_missing_granularity(9)
• dm_test_link_supports_psrsu_debug_mask_disabled(9)
• dm_test_link_supports_psrsu_temporarily_disabled(9)
• dm_test_set_psr_caps_null_link(9)
• dm_test_set_psr_caps_no_dmub_psr(9)
• dm_test_set_psr_caps_non_edp(9)
• dm_test_set_psr_caps_disconnected(9)
• dm_test_set_psr_caps_no_dpcd_psr(9)
• dm_test_set_psr_caps_edp1_disabled(9)
• dm_test_set_psr_caps_success_psr1(9)
• dm_test_psr_set_event_get_event_fails(9)
• dm_test_psr_set_event_already_set(9)
• dm_test_psr_set_event_updates_event(9)
• dm_test_psr_is_active_allowed_no_streams(9)
• dm_test_psr_is_active_allowed_null_link(9)
• dm_test_psr_is_active_allowed_requires_enabled_and_allowed(9)
• dm_test_psr_is_active_allowed_any_stream(9)

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🌈 fr fr, read the neighbors too — this test does not exist in a vacuum, iykyk.

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and that's the page, bestie 🧚 this little cutie came out of ./drivers/gpu/drm/amd/display/... with a big October 2026 energy and it's out here living in the Kernel API Manual. periodt. 💀✨