CRTC_INTERLACE_EN
crtc->gen_cntl |= CRTC_INTERLACE_EN;
interlace = crtc->gen_cntl & CRTC_INTERLACE_EN;
if (par->crtc.gen_cntl & CRTC_INTERLACE_EN)
CRTC_INTERLACE_EN);