dm_test_link...missing_alpm(9)

💅 dm_test_link_supports_psrsu_missing_alpm(9) — the Kernel API Manual glow-up ✨

okay so bestie, welcome to the Kernel API Manual section nine, where we talk about one lil KUnit test whose whole personality is: AUX wake ALPM? required. no cap. 🫶

---

✨ NAME ✨

dm_test_link_supports_psrsu_missing_alpm — literally what it says on the tin: AUX wake ALPM is required. 🎀

---

🌸 SYNOPSIS 🌸

void dm_test_link_supports_psrsu_missing_alpm (struct kunit *test );

that's it. that's the whole signature. void return, one arg, main character energy. 💅

---

🦋 ARGUMENTS 🦋

• test — the KUnit test context. iconic lil struct, holds all the test-y vibes. 👑

---

💖 SEE ALSO 💖

the group chat, basically. every single one of these is invited to the function-reference party 🎉

the file this lives in:

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

the psrsu besties, in order:

• 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_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 crew:

• 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 trio (obsessed with them actually):

• 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 psr_is_active_allowed squad, closing us out:

• 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)

---

ngl bestie, if you're cross-referencing any of these, keep the names exactly as written — no renaming, no shortcuts, they're all (9) section manpage refs and they know it. 💀

---

okay that's the whole page!! ty for reading, you ate that 🍓

this lil number comes to you from ./drivers/gpu/drm/amd/display/... (yes it's abbreviated, don't @ me) and it's dated October 2026 ⭐ — see u in the next manpage, mwah 💜✨