BIT_VAL
#define COORDINATE_X(x) BIT_VAL((x), 23, 12)
#define COORDINATE_Y(x) BIT_VAL((x), 11, 0)
val = BIT_VAL(pitch - state->crtc.w * cpp, 27, 14)
| BIT_VAL(state->crtc.w * cpp, 13, 0);
val = BIT_VAL(pitch - state->crtc.w * cpp, 29, 15)
| BIT_VAL(state->crtc.w * cpp, 14, 0);