drm/amd/display: Test GFX6-8 tiling info from modifiers

[WHAT]
Add KUnit tests for amdgpu_dm_plane_fill_gfx6_tiling_info_from_modifier()
covering the linear, micro tiled and macro tiled modifiers, and the
rejection of a modifier that is not of the GFX6 tile version.

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 17:09:22 -06:00 • committed by Alex Deucher
commit e02ef5a326