NV_CRTC_FSEL_OVERLAY
regp->crtc_eng_ctrl |= NV_CRTC_FSEL_OVERLAY;
nvif_mask(dev, NV_PCRTC_ENGINE_CTRL + soff, NV_CRTC_FSEL_OVERLAY, NV_CRTC_FSEL_OVERLAY);
nvif_mask(dev, NV_PCRTC_ENGINE_CTRL + soff2, NV_CRTC_FSEL_OVERLAY, 0);