vgem_fence_attach_ioctl 259 drivers/gpu/drm/vgem/vgem_drv.c DRM_IOCTL_DEF_DRV(VGEM_FENCE_ATTACH, vgem_fence_attach_ioctl, DRM_RENDER_ALLOW), vgem_fence_attach_ioctl 54 drivers/gpu/drm/vgem/vgem_drv.h int vgem_fence_attach_ioctl(struct drm_device *dev,