drm/amd/display: Test HPD init/fini

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Add KUnit coverage for amdgpu_dm_hpd_init() and amdgpu_dm_hpd_fini():
empty connector list, the per-connector HW fallback path, the analog
polling enable/disable path, and the base-driver irq-ref path. Export
both functions for KUnit and add shared drm_connector test helpers.

Assisted-by: Copilot:Claude-Opus-4.8
Reviewed-by: Bhawanpreet Lakha <bhawanpreet.lakha@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: George Zhang <george.zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Alex Hung 2026-06-25 13:07:14 -06:00 • committed by Alex Deucher

parent a9011c014c

commit 747e1b0dc7

2 changed files with 183 additions and 6 deletions

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2

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

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187

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

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