drm/amd/display: Add amdgpu_dm_connector_poll KUnit tests

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Add tests covering the non-shortcut poll paths: connected reusing a cached
local_sink, connected via full dc_link_detect(), and the disconnect
teardown that releases and clears a stale sink. Fakes wire
link->dc->link_srv detect_connection_type/detect_link function pointers.
Raises amdgpu_dm_connector_poll coverage from 35% to 100%.

Assisted-by: Copilot:Claude-Opus-4.8
Reviewed-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Bhawanpreet Lakha <bhawanpreet.lakha@amd.com>
Signed-off-by: Ivan Lipski <ivan.lipski@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 2026-07-29 19:31:07 -04:00 • committed by Alex Deucher

parent 5204480728

commit 651091937c

1 changed files with 165 additions and 0 deletions

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

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