- cur = priv->playlist[priv->cur_playlist];
- priv->cur_playlist = !priv->cur_playlist;
-
- for (i = priv->base.min, p = 0; i < priv->base.max; i++) {
- if (nv_rd32(priv, 0x002600 + (i * 4)) & 0x80000000)
- nv_wo32(cur, p++ * 4, i);
- }
-
- bar->flush(bar);
-
- nv_wr32(priv, 0x0032f4, cur->addr >> 12);
- nv_wr32(priv, 0x0032ec, p);
- nv_wr32(priv, 0x002500, 0x00000101);
-}
-
-void
-nv50_fifo_playlist_update(struct nv50_fifo_priv *priv)
-{
- mutex_lock(&nv_subdev(priv)->mutex);
- nv50_fifo_playlist_update_locked(priv);
- mutex_unlock(&nv_subdev(priv)->mutex);
-}
-
-static int
-nv50_fifo_context_attach(struct nvkm_object *parent, struct nvkm_object *object)
-{
- struct nvkm_bar *bar = nvkm_bar(parent);
- struct nv50_fifo_base *base = (void *)parent->parent;
- struct nvkm_gpuobj *ectx = (void *)object;
- u64 limit = ectx->addr + ectx->size - 1;
- u64 start = ectx->addr;
- u32 addr;
-
- switch (nv_engidx(object->engine)) {
- case NVDEV_ENGINE_SW : return 0;
- case NVDEV_ENGINE_GR : addr = 0x0000; break;
- case NVDEV_ENGINE_MPEG : addr = 0x0060; break;
- default:
- return -EINVAL;
- }
-
- nv_engctx(ectx)->addr = nv_gpuobj(base)->addr >> 12;
- nv_wo32(base->eng, addr + 0x00, 0x00190000);
- nv_wo32(base->eng, addr + 0x04, lower_32_bits(limit));
- nv_wo32(base->eng, addr + 0x08, lower_32_bits(start));
- nv_wo32(base->eng, addr + 0x0c, upper_32_bits(limit) << 24 |
- upper_32_bits(start));
- nv_wo32(base->eng, addr + 0x10, 0x00000000);
- nv_wo32(base->eng, addr + 0x14, 0x00000000);
- bar->flush(bar);
- return 0;
-}
-
-static int
-nv50_fifo_context_detach(struct nvkm_object *parent, bool suspend,
- struct nvkm_object *object)
-{
- struct nvkm_bar *bar = nvkm_bar(parent);
- struct nv50_fifo_priv *priv = (void *)parent->engine;
- struct nv50_fifo_base *base = (void *)parent->parent;
- struct nv50_fifo_chan *chan = (void *)parent;
- u32 addr, me;
- int ret = 0;
-
- switch (nv_engidx(object->engine)) {
- case NVDEV_ENGINE_SW : return 0;
- case NVDEV_ENGINE_GR : addr = 0x0000; break;
- case NVDEV_ENGINE_MPEG : addr = 0x0060; break;
- default:
- return -EINVAL;
- }
-
- /* HW bug workaround:
- *
- * PFIFO will hang forever if the connected engines don't report
- * that they've processed the context switch request.
- *
- * In order for the kickoff to work, we need to ensure all the
- * connected engines are in a state where they can answer.
- *
- * Newer chipsets don't seem to suffer from this issue, and well,
- * there's also a "ignore these engines" bitmask reg we can use
- * if we hit the issue there..
- */
- me = nv_mask(priv, 0x00b860, 0x00000001, 0x00000001);
-
- /* do the kickoff... */
- nv_wr32(priv, 0x0032fc, nv_gpuobj(base)->addr >> 12);
- if (!nv_wait_ne(priv, 0x0032fc, 0xffffffff, 0xffffffff)) {
- nv_error(priv, "channel %d [%s] unload timeout\n",
- chan->base.chid, nvkm_client_name(chan));
- if (suspend)
- ret = -EBUSY;
- }
- nv_wr32(priv, 0x00b860, me);
-
- if (ret == 0) {
- nv_wo32(base->eng, addr + 0x00, 0x00000000);
- nv_wo32(base->eng, addr + 0x04, 0x00000000);
- nv_wo32(base->eng, addr + 0x08, 0x00000000);
- nv_wo32(base->eng, addr + 0x0c, 0x00000000);
- nv_wo32(base->eng, addr + 0x10, 0x00000000);
- nv_wo32(base->eng, addr + 0x14, 0x00000000);
- bar->flush(bar);
- }
-
- return ret;
-}
-
-static int
-nv50_fifo_object_attach(struct nvkm_object *parent,
- struct nvkm_object *object, u32 handle)
-{
- struct nv50_fifo_chan *chan = (void *)parent;
- u32 context;
-
- if (nv_iclass(object, NV_GPUOBJ_CLASS))
- context = nv_gpuobj(object)->node->offset >> 4;
- else
- context = 0x00000004; /* just non-zero */