drm/amd/display: Test DSC config computation

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[WHAT]
Add KUnit tests for compute_mst_dsc_configs_for_state() covering an SST
stream, a stream with an incomplete topology, a failing stream removal
and a link that does not need a recompute, plus a test for
pre_validate_dsc() when no precompute pass is required.

[HOW]
Add a helper that appends an MST stream with a DSC capable link to a DC
state, including the resource pool functions the compute pass calls
unconditionally, and let each test supply its own stream removal
callback to reach the error path.

Assisted-by: Copilot:Claude-Opus-5
Reviewed-by: Bhawanpreet Lakha <bhawanpreet.lakha@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Chenyu Chen <chen-yu.chen@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

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Alex Hung 2026-08-30 01:05:57 -06:00 • committed by Alex Deucher

parent 91b0c8fc50

commit b1a0241f5f

2 changed files with 152 additions and 0 deletions

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2

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

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150

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

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