ATOM_ISP_STEP_HEIGHT
ATOM_ISP_MAX_HEIGHT), ATOM_ISP_STEP_HEIGHT);
*dvs_env_h = rounddown(height / 5, ATOM_ISP_STEP_HEIGHT);
ffmt.height < ATOM_ISP_STEP_HEIGHT)
r->height = rounddown(r->height, ATOM_ISP_STEP_HEIGHT);
ATOM_ISP_STEP_HEIGHT);
ATOM_ISP_STEP_HEIGHT);