drm/amd/display: Cover dm_restore_drm_connector_state

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[Why & How]
Add KUnit tests exercising every guard branch of
dm_restore_drm_connector_state(): the writeback short-circuit, a missing
dc_sink, a NULL connector atomic state, a NULL encoder, a crtc state
without a dc stream, and an unchanged sink that skips the forced atomic
commit.

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: Ray Wu <ray.wu@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

This commit is contained in:

Bhawanpreet Lakha 2026-08-10 13:41:03 -04:00 • committed by Alex Deucher

parent 62d1c7c932

commit 59af479917

2 changed files with 178 additions and 0 deletions

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1

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

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177

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

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