dm_test_ism_...d_transition(9)

💅 dm_test_ism_trigger_event_valid_transition(9) — from the Kernel API Manual

okay so bestie, we're in the Kernel API Manual today and this page is literally about dm_test_ism_trigger_event_valid_transition 🎀 yes the header truncates it to dm_test_ism_...d_transition(9) — that's just the title being dramatic and shy, the real name is the long one up there ✨

---

🌸 NAME 🌸

dm_test_ism_trigger_event_valid_transition — the test that proves a valid event advances the current and previous state. that's it, that's the whole vibe 🦋

---

⭐ SYNOPSIS ⭐

void dm_test_ism_trigger_event_valid_transition (struct kunit *test );

one function, returns void, takes a single struct kunit * — clean, minimal, iconic 👑

---

🫶 ARGUMENTS 🫶

• test — the KUnit test context. that's the little bundle of test-ness that gets handed in so the test can do its thing 💖

---

🔥 SEE ALSO 🔥

the kernel file lives right here, no cap:

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

and here's the whole friend group, all the sibling tests you can go hang out with — every single one, not skipping a single bestie 💜:

• dm_test_ism_idle_delay_entry_count_exceeds_history_size(9)
• dm_test_ism_init_sets_initial_state(9)
• dm_test_ism_fini_after_init(9)
• dm_test_ism_set_last_idle_ts_updates_timestamp(9)
• dm_test_ism_insert_record_basic(9)
• dm_test_ism_insert_record_wraps_around(9)
• dm_test_ism_trigger_event_invalid_transition(9)
• dm_test_dispatch_next_event_hyst_wait_no_delay(9)
• dm_test_dispatch_next_event_hyst_wait_with_delay(9)
• dm_test_dispatch_next_event_opt_idle_no_sso_delay(9)
• dm_test_dispatch_next_event_opt_idle_with_sso_delay(9)
• dm_test_dispatch_next_event_timer_aborted(9)
• dm_test_dispatch_next_event_no_action_state(9)
• dm_test_ism_commit_event_no_state(9)
• dm_test_ism_commit_event_cursor_transition(9)
• dm_test_ism_commit_event_invalid_event(9)
• dm_test_ism_force_full_power(9)
• dm_test_ism_disable_enable_cycle(9)
• dm_test_ism_dispatch_hysteresis_schedule_and_cancel(9)
• dm_test_ism_dispatch_optimized_idle_defers_sso(9)

---

ngl, if you're looking for the invalid transition test, that's dm_test_ism_trigger_event_invalid_transition(9) — this page is strictly the valid-glow-up arc 💅

and that's the whole page, bestie, you ate it up 🌈

---

🌸 okay so that's a wrap 🎀 this one's sourced from ./drivers/gpu/drm/amd/display/..., dated October 2026, and it signs off as dm_test_ism_...d_transition(9) — same truncated little nickname as the top, we love consistency ✨💖🦋