drm/amd/display: Test helper_check_state rejects

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[WHAT]
Add KUnit tests for amdgpu_dm_plane_helper_check_state() covering the
small viewport width, small viewport height, bottom-edge clipping and
scaling-caps rejection paths.

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: George Zhang <george.zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Alex Hung 2026-06-26 17:35:52 -06:00 • committed by Alex Deucher

parent b3a436a6d7

commit e0e426f10a

1 changed files with 188 additions and 0 deletions

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

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