drm/amd/display: test dm_check_cursor_fb

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[WHAT]
Add nine KUnit tests for dm_check_cursor_fb() with a cursor framebuffer
fixture, covering the supported linear case, size, cropping and pitch
rejections, tiling handling across ASIC generations, and modifier-based
tiling skips.

Assisted-by: Copilot:GPT-5.6-Sol
Reviewed-by: Bhawanpreet Lakha <bhawanpreet.lakha@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Tom Chung <chiahsuan.chung@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

This commit is contained in:

Alex Hung 2026-07-28 18:17:32 -06:00 • committed by Alex Deucher

parent e92d0314f3

commit 40b2d45044

3 changed files with 203 additions and 3 deletions

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7

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

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3

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

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196

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

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