NV_CIO_AR_MODE_INDEX 439 drivers/gpu/drm/nouveau/dispnv04/crtc.c regp->Attribute[NV_CIO_AR_MODE_INDEX] = 0x01; /* Enable graphic mode */ NV_CIO_AR_MODE_INDEX 320 drivers/gpu/drm/nouveau/dispnv04/hw.c graphicsmode = NVReadVgaAttr(dev, 0, NV_CIO_AR_MODE_INDEX) & 1;