drm/amd/display: Test ISM delayed workers

[WHAT]
Add KUnit tests for dm_ism_delayed_work_func() and
dm_ism_sso_delayed_work_func().

[HOW]
Arm each worker through the FSM, drop dc_lock, then run the handler
with flush_delayed_work().

Assisted-by: Copilot:Claude-Opus-5
Reviewed-by: Bhawanpreet Lakha <bhawanpreet.lakha@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Hung 2026-08-14 16:49:33 -06:00 • committed by Alex Deucher
commit 4b6281959e