int drm_device_is_agp(struct drm_device *dev) { if (dev->driver->device_is_agp != NULL) { int ret; /* device_is_agp returns a tristate, 0 = not AGP, 1 = definitely * AGP, 2 = fall back to PCI capability */ ret = (*dev->driver->device_is_agp)(dev); if (ret != DRM_MIGHT_BE_AGP) return ret; } return (drm_device_find_capability(dev, PCIY_AGP)); }
int drm_device_is_pcie(struct drm_device *dev) { return (drm_device_find_capability(dev, PCIY_EXPRESS)); }
int drm_device_is_agp(drm_device_t *dev) { return (drm_device_find_capability(dev, PCIY_AGP)); }