drm/amd/display: Extract shared KUnit test helpers

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Extract common allocation and setup patterns from KUnit test
files into a dedicated helpers module to reduce duplication.

Add tests/amdgpu_dm_kunit_helpers.c with shared helpers:
- dm_kunit_alloc_adev: allocate amdgpu_device via DRM mock
- dm_kunit_alloc_link: allocate zeroed dc_link
- dm_kunit_alloc_link_with_ctx: allocate dc_link with dc_context
- dm_kunit_alloc_dm: allocate display_manager with DC state
- dm_kunit_alloc_stream: allocate dc_stream_state with link
- dm_kunit_add_stream_to_state: wire stream into dc_state
- dm_kunit_alloc_connector: allocate connector wired to device

Update 10 test files to use the shared helpers, removing
duplicated local alloc_test_adev, alloc_test_link,
alloc_test_dm, alloc_test_stream, and add_test_stream
functions.

Add missing MODULE_DESCRIPTION() macro to suppress modpost warning:
WARNING: modpost: missing MODULE_DESCRIPTION() in
amdgpu_dm_kunit_helpers.o

Assisted-by: Copilot:Claude-Opus-4.6
Reviewed-by: Bhawanpreet Lakha <bhawanpreet.lakha@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: George Zhang <george.zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

This commit is contained in:

Alex Hung 2026-06-18 14:22:27 -06:00 • committed by Alex Deucher

parent 9bcf6af12b

commit a532f8d7e4

13 changed files with 252 additions and 243 deletions

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1

drivers/gpu/drm/amd/display/amdgpu_dm/tests/Makefile

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21

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

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13

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

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15

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

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19

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

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37

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

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39

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

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142

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

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32

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

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13

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

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126

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

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19

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

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18

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

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