drm/amd/display: add fused IO KUnit coverage

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[WHAT]
Add KUnit coverage for the DMUB fused IO helpers: the
dm_dmub_aux_fused_io_callback() NULL-argument guard and the
abort_fused_io() no-DMUB-service path.

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>

...

This commit is contained in:

Alex Hung 2026-07-06 09:21:06 -06:00 • committed by Alex Deucher

parent b2e286091a

commit f8e0a84ab1

3 changed files with 62 additions and 1 deletions

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3

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

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8

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

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52

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

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