drm/amd/display: Test pre-GFX9 plane buffer attributes

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[WHAT]
Add a KUnit test for amdgpu_dm_plane_fill_plane_buffer_attributes()
covering the pre-Vega dispatch to the GFX6 modifier decoder.

[HOW]
Run a GFX6-family framebuffer through a 1D tiled modifier and check
the decoded tiling version, then repeat with a GFX9 modifier to check
that the decode error is propagated instead.

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: Chenyu Chen <chen-yu.chen@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

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Alex Hung 2026-08-29 13:38:31 -06:00 • committed by Alex Deucher

parent 9e7ed95bfd

commit 567aadce7e

1 changed files with 47 additions and 0 deletions

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

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