#define mmio_vram(a,b,c,d) nvc0_grctx_mmio_data((a), (b), (c), (d))
#define mmio_refn(a,b,c,d,e) nvc0_grctx_mmio_item((a), (b), (c), (d), (e))
#define mmio_skip(a,b,c) mmio_refn((a), (b), (c), -1, -1)
#define mmio_vram(a,b,c,d) nvc0_grctx_mmio_data((a), (b), (c), (d))
#define mmio_refn(a,b,c,d,e) nvc0_grctx_mmio_item((a), (b), (c), (d), (e))
#define mmio_skip(a,b,c) mmio_refn((a), (b), (c), -1, -1)