void
nouveau_fence_context_new(struct nouveau_channel *chan, struct nouveau_fence_chan *fctx)
{
struct nouveau_fence_priv *priv = (void*)chan->drm->fence;
struct nouveau_cli *cli = (void *)chan->user.client;
int ret;
INIT_LIST_HEAD(&fctx->flip);
INIT_LIST_HEAD(&fctx->pending);
spin_lock_init(&fctx->lock);
fctx->context = priv->context_base + chan->chid;
if (chan == chan->drm->cechan)
strcpy(fctx->name, "copy engine channel");
else if (chan == chan->drm->channel)
strcpy(fctx->name, "generic kernel channel");
else
strcpy(fctx->name, nvxx_client(&cli->base)->name);
kref_init(&fctx->fence_ref);
if (!priv->uevent)
return;
ret = nvif_notify_init(&chan->user, nouveau_fence_wait_uevent_handler,
false, G82_CHANNEL_DMA_V0_NTFY_UEVENT,
&(struct nvif_notify_uevent_req) { },
sizeof(struct nvif_notify_uevent_req),
static void
nouveau_cli_destroy(struct nouveau_cli *cli)
{
nvkm_vm_ref(NULL, &nvxx_client(&cli->base)->vm, NULL);
nvif_client_fini(&cli->base);
usif_client_fini(cli);
}
int
nouveau_channel_idle(struct nouveau_channel *chan)
{
if (likely(chan && chan->fence)) {
struct nouveau_cli *cli = (void *)chan->user.client;
struct nouveau_fence *fence = NULL;
int ret;
ret = nouveau_fence_new(chan, false, &fence);
if (!ret) {
ret = nouveau_fence_wait(fence, false, false);
nouveau_fence_unref(&fence);
}
if (ret) {
NV_PRINTK(err, cli, "failed to idle channel %d [%s]\n",
chan->chid, nvxx_client(&cli->base)->name);
return ret;
}
}
return 0;
}
