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In some ASICs L2 cache info may miss in kfd topology, because the first bitmap may be empty, that means the first cu may be inactive, so to find the first active cu will solve the issue. v2: Only find the first active cu in the first xcc Signed-off-by: Eric Huang <jinhuieric.huang@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Acked-by: Lijo Lazar <lijo.lazar@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>