drm/amd/display: Cover amdgpu_dm_connector_atomic_check

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Add KUnit tests for amdgpu_dm_connector_atomic_check() covering the
no-CRTC early return, the DP-MST connector path, and an unchanged state
that skips revalidation.

Assisted-by: Copilot:Claude-Opus-4.8
Reviewed-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Bhawanpreet Lakha <bhawanpreet.lakha@amd.com>
Signed-off-by: Ivan Lipski <ivan.lipski@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Bhawanpreet Lakha 2026-08-05 16:55:29 -04:00 • committed by Alex Deucher

parent 9e985861dc

commit 01678168f9

3 changed files with 114 additions and 1 deletions

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3

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

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3

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

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109

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

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