drm/amd/display: Add KUnit tests for hdcp_create_workqueue

Cover the success path of hdcp_create_workqueue(): the workqueue and SRM
buffers are allocated, max_link is recorded, the cp_psp callbacks and
handle are published and every link's psp handle points at the device
psp. Also cover the dtm_v3_supported branch (set for DCN 3.1, clear
otherwise) and the init loop running for more than one link, alongside
the existing zero-link early-return case.

Reviewed-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Bhawanpreet Lakha <bhawanpreet.lakha@amd.com>
Signed-off-by: Fangzhi Zuo <jerry.zuo@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Bhawanpreet Lakha 2026-07-14 11:37:13 -04:00 • committed by Alex Deucher
commit 13cd064e68