dm_test_lin...ask_disabled(9)

💅 dm_test_link_supports_psrsu_debug_mask_disabled — your girl's guide (Kernel API Manual, bestie ✨)

Okay so real talk, we're in the kernel API manual today and the star of the show is literally dm_test_link_supports_psrsu_debug_mask_disabled. Yes that's the whole name, no we're not shortening it, she's iconic and she's earned every character. 🎀

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🌸 NAME 🌸

dm_test_link_supports_psrsu_debug_mask_disabled — okay so basically: the debug mask disables PSR-SU. That's the whole vibe. Mask on, PSR-SU off, periodt. 💅

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✨ SYNOPSIS ✨

void dm_test_link_supports_psrsu_debug_mask_disabled(struct kunit *test);

Returns nothing (void), takes exactly one thing, and honestly? She's lowkey unbothered about it. 🦋

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🫶 ARGUMENTS 🫶

• test — the KUnit test context, aka the little group-chat she's posting in. That's it, that's the whole argument list. 💖

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👑 SEE ALSO 👑

The kernel file this all lives in, fr fr:

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

And now, the whole friend group — every single one of her siblings, no skipping, we don't do that here 🌈:

• 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_temporarily_disabled(9)
• dm_test_set_psr_caps_null_link(9)
• dm_test_set_psr_caps_null_connector(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)

Like, that's the whole squad. Go read them too, iykyk. 🔥

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Bestie note: the page header up top got shortened to dm_test_lin...ask_disabled(9) because someone's terminal was being dramatic 😭 — the manual name is the full one, always. 💀

Sources and dates, because she's got receipts: this one comes from ./drivers/gpu/drm/amd/display/..., dated October 2026 🌸 — and the footer tag on the page itself is dm_test_lin...ask_disabled(9), same truncated queen, same energy. Mwah, bye, go run your tests 🧚💜