drm/amd/display: Test color mod init and 3D LUT size

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[WHAT]
Add KUnit coverage for amdgpu_dm_init_color_mod() and
amdgpu_dm_verify_lut3d_size().

init_color_mod is a smoke test that the x-points distribution is set up
without crashing. The verify_lut3d_size tests build adev/DC fixtures with
and without the 3D LUT capability and confirm that correct shaper and 3D
LUT blob sizes succeed while mismatched sizes return -EINVAL.

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: Wayne Lin <wayne.lin@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 2026-06-30 13:09:15 -06:00 • committed by Alex Deucher

parent 843049bac7

commit a10bb08af5

2 changed files with 125 additions and 0 deletions

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2

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

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123

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

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