dm_test_psr_...d_no_streams(9)

🎀 dm_test_psr_...d_no_streams(9) 🎀

okay so bestie, welcome to the Kernel API Manual entry for dm_test_psr_is_active_allowed_no_streams. yes the title is abbreviated, no that's not a typo, it's just the manpage being quirky 💅 this one's short and sweet and honestly kind of a vibe.

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✨ NAME ✨

dm_test_psr_is_active_allowed_no_streams — literally the test that says: empty DC state means PSR is NOT allowed. that's it. that's the whole personality 🫶

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🌸 SYNOPSIS 🌸

void dm_test_psr_is_active_allowed_no_streams (struct kunit *test );

she takes exactly one thing and returns absolutely nothing, and honestly? iconic.

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🦋 ARGUMENTS 🦋

• test — the KUnit test context. the little backstage pass that lets this test know which test it is 🎟️ that's the whole argument list bestie, one (1) item, no cap.

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💜 SEE ALSO 💜

so there's a whole friend group of related tests and entries, and you KNOW we're gonna list every single one of them because leaving people out is not the vibe:

the kernel file itself:

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

the PSRSU link-support girlies:

• 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)

the set_psr_caps squad:

• 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)

the psr_set_event crew:

• 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)

and the other is_active_allowed besties:

• 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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lowkey reminder: this page is from the kernel source tree at ./drivers/gpu/drm/amd/display/... — that's the path, don't come for me, that's just how it's written 💀

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and that's the whole page bestie, go read the other ones too, they're all in the same file and honestly they ate 🍓

signing off from the Kernel API Manual, source ./drivers/gpu/drm/amd/display/..., dated October 2026 — mwah, ily, go write some tests 💖✨🎀