vmw_stream_unref_ioctl 181 drivers/gpu/drm/vmwgfx/vmwgfx_drv.c VMW_IOCTL_DEF(VMW_UNREF_STREAM, vmw_stream_unref_ioctl, vmw_stream_unref_ioctl 700 drivers/gpu/drm/vmwgfx/vmwgfx_drv.h extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data,