drm/amd/display: Add KUnit tests for hdcp_destroy

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Verify hdcp_destroy() cancels each link's delayed works, removes
the SRM sysfs file and frees the workqueue and SRM buffers. Cover
both a populated work-queue and the zero-link / NULL-SRM path.

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>

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Bhawanpreet Lakha 2026-07-10 16:12:55 -04:00 • committed by Alex Deucher

parent 560ef68fec

commit 3c729afe2f

2 changed files with 123 additions and 0 deletions

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1

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c

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122

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

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