Symbol: FB_VBLANK_HBLANKING
drivers/video/fbdev/matrox/matroxfb_base.c
858
vblank->flags |= FB_VBLANK_HBLANKING;
drivers/video/fbdev/sis/sis_main.c
845
if(reg4 & 0x80) ret |= FB_VBLANK_HBLANKING;