mmVCE_RB_SIZE2
WREG32(mmVCE_RB_SIZE2, ring->ring_size / 4);
WREG32(mmVCE_RB_SIZE2, ring->ring_size / 4);
WREG32(mmVCE_RB_SIZE2, ring->ring_size / 4);
WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_RB_SIZE2), ring->ring_size / 4);