PIPESRC
val = intel_de_read(display, PIPESRC(display, pipe));
intel_de_write(display, PIPESRC(display, pipe),
tmp = intel_de_read(display, PIPESRC(display, crtc->pipe));
intel_de_write(display, PIPESRC(display, pipe),
plane->width = (vgpu_vreg_t(vgpu, PIPESRC(display, pipe)) & _PIPE_H_SRCSZ_MASK) >>
plane->height = (vgpu_vreg_t(vgpu, PIPESRC(display, pipe)) &
MMIO_D(PIPESRC(display, TRANSCODER_A));
MMIO_D(PIPESRC(display, TRANSCODER_B));
MMIO_D(PIPESRC(display, TRANSCODER_C));