drm/amd/display: Test cursor update and async plane update

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[WHAT]
Add KUnit tests for amdgpu_dm_plane_handle_cursor_update() and
amdgpu_dm_plane_atomic_async_update() covering the return taken when the
cursor plane has no framebuffer, and the copy of the new position and
size into the plane state ahead of the cursor update.

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: Ivan Lipski <ivan.lipski@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 2026-08-11 17:11:28 -06:00 • committed by Alex Deucher

parent 485f70efa7

commit 5e312f658b

3 changed files with 95 additions and 2 deletions

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6

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

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1

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

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90

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

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