INIT_LIST_HEAD(&chan->nvsw.vbl_wait);
INIT_LIST_HEAD(&chan->nvsw.flip);
INIT_LIST_HEAD(&chan->fence.pending);
INIT_LIST_HEAD(&chan->nvsw.vbl_wait);
INIT_LIST_HEAD(&chan->nvsw.flip);
INIT_LIST_HEAD(&chan->fence.pending);
/* setup channel's memory and vm */
ret = nouveau_gpuobj_channel_init(chan, vram_handle, gart_handle);
/* setup channel's memory and vm */
ret = nouveau_gpuobj_channel_init(chan, vram_handle, gart_handle);