dm_test_lin...srsu_old_dcn(9)

💅 dm_test_lin...srsu_old_dcn — Kernel API Manual

okay so bestie, welcome to the Kernel API Manual ✨ this one's a KUnit test that's basically a bouncer at the club door checking your Display Core version 🎀

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✨ NAME ✨

dm_test_link_supports_psrsu_old_dcn — lowkey the whole point is this: DCN version 3.1 or newer is required. fr fr, if your hardware's older than that, you're not getting in. 💅

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🌸 SYNOPSIS 🌸

void dm_test_link_supports_psrsu_old_dcn (struct kunit *test );

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🦋 ARGUMENTS 🦋

• test — the KUnit test context, aka the little vibe-holder that carries all the test state around with it 🫶

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👑 SEE ALSO 👑

⭐ The kernel file, bestie:

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

🧚 And the whole friend group (all the sibling tests, no cap):

• dm_test_link_supports_psrsu_no_dmcub(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_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)

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💀 bestie the title got cut off in the header again — it's giving "my wifi name is 'linksys' energy", but the page is still dm_test_lin...srsu_old_dcn(9) and you knew exactly who she was. 😭

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that's the whole page, periodt. 🎀 this lil icon came from ./drivers/gpu/drm/amd/display/... and she's dated October 2026, filed under dm_test_lin...srsu_old_dcn(9) — go forth and test those links, mwah 💖