17529ea2ac
[why] Conditionals in the DML basic math functions significantly impact mode enumeration. [how] Remove conditionals for floor/ceil operations which are used frequently in DML and add an assertion for invalid callers using zero granuality. Fix existing callers that rely on 0 granularity. Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Reviewed-by: Nevenko Stupar <Nevenko.Stupar@amd.com> Acked-by: Pavle Kotarac <Pavle.Kotarac@amd.com> Signed-off-by: Aric Cyr <aric.cyr@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>