CRTC_HSYNC_DIS
else if( (tmp & CRTC_HSYNC_DIS) == 0 )
int mask = (CRTC_HSYNC_DIS | CRTC_VSYNC_DIS);
OUTREGM(CRTC_GEN_CNTL, CRTC_HSYNC_DIS, mask);
CRTC_HSYNC_DIS | CRTC_VSYNC_DIS | CRTC_CSYNC_EN |