RADEON_FP_SEL_CRTC2
RADEON_FP_SEL_CRTC2 :
if (sc->sc_fp_gen_cntl & RADEON_FP_SEL_CRTC2) {
SET32(sc, RADEON_FP_GEN_CNTL, RADEON_FP_SEL_CRTC2);
CLR32(sc, RADEON_FP_GEN_CNTL, RADEON_FP_SEL_CRTC2);