_VLV_SPR
_MMIO(_VLV_SPR((pipe), (plane_id), (reg_a), (reg_b)))
#define SPGAMC(pipe, plane_id, i) _MMIO(_VLV_SPR((pipe), (plane_id), _SPAGAMC, _SPBGAMC) + (5 - (i)) * 4) /* 6 x u0.10 */