drm/amd/display: Fix KUnit VRR warnings

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[WHY]
The VRR transition test needs a discoverable CRTC and balanced vblank
teardown. Assertion failures must not leave freed CRTCs linked.

[HOW]
Supply a vblank counter callback and link the test CRTC. Register a
KUnit cleanup action to disable vblank and unlink it on every exit.

Assisted-by: Copilot:GPT-6-Astra
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>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Alex Hung 2026-09-10 10:28:10 -06:00 • committed by Alex Deucher

parent 92900d4f38

commit 20f1647b4c

1 changed files with 22 additions and 0 deletions

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

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