head_a 187 drivers/gpu/drm/nouveau/nvkm/subdev/devinit/nv04.c bool head_a = (reg1 == 0x680508); head_a 190 drivers/gpu/drm/nouveau/nvkm/subdev/devinit/nv04.c ramdac580 |= head_a ? 0x00000100 : 0x10000000; head_a 192 drivers/gpu/drm/nouveau/nvkm/subdev/devinit/nv04.c ramdac580 &= head_a ? 0xfffffeff : 0xefffffff;