drm/amd/display: Test affected MST DSC CRTC selection

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[WHAT]
Add KUnit tests for add_affected_mst_dsc_crtcs() covering an empty commit,
a writeback connector, a connector that is not behind an MST branch, a
connector bound to a different CRTC, and a disabled connector whose old
state decides which CRTC is affected.

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 14:01:38 -06:00 • committed by Alex Deucher

parent 9f915dcc9f

commit c8130c0538

3 changed files with 147 additions and 1 deletions

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4

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

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2

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

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142

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

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