drm/amd/display: add CRC set-source KUnit coverage

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[WHAT]
Expose amdgpu_dm_crtc_set_crc_source() for KUnit and add tests for the
invalid-source guard, the valid NONE no-stream exit, the pending-commit
wait/put path, and the DPRX connector-walk that returns -EINVAL when no
matching DP connector is attached.

Add connector test helpers (drm_connector_funcs plus a cleanup action)
to back the DPRX connector-walk test.

Assisted-by: Copilot:Claude-Opus-4.8 GPT-5.5
Reviewed-by: Bhawanpreet Lakha <bhawanpreet.lakha@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Wayne Lin <wayne.lin@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

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Alex Hung 2026-07-06 21:05:28 -06:00 • committed by Alex Deucher

parent e03f5358ad

commit f22a403ff5

2 changed files with 162 additions and 0 deletions

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

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161

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

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