DSPSTRIDE
val = intel_de_read(display, DSPSTRIDE(display, i9xx_plane));
intel_de_write_fw(display, DSPSTRIDE(display, i9xx_plane),
info->stride_reg = DSPSTRIDE(display, info->pipe);
info->stride_reg = DSPSTRIDE(display, info->pipe);
u32 stride_reg = vgpu_vreg_t(vgpu, DSPSTRIDE(display, pipe)) & stride_mask;
MMIO_D(DSPSTRIDE(display, PIPE_A));
MMIO_D(DSPSTRIDE(display, PIPE_B));
MMIO_D(DSPSTRIDE(display, PIPE_C));