drm/amd/display: Test atomic commit setup

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[WHAT]
Add KUnit tests for amdgpu_dm_atomic_setup_commit() covering an empty
commit, changed color management, a modeset-only color update, and an
invalid degamma LUT.

[HOW]
Reuse the modeset fixture for active CRTC paths and attach a one-entry LUT
to exercise size validation without hardware programming.

Assisted-by: Copilot:Claude-Opus-5 GPT-5.6-Sol
Reviewed-by: Bhawanpreet Lakha <bhawanpreet.lakha@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

This commit is contained in:

Alex Hung 2026-08-13 14:08:43 -06:00 • committed by Alex Deucher

parent be58ef1773

commit d18cd30a82

3 changed files with 71 additions and 2 deletions

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5

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

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1

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h

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67

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

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