drm/nouveau/nouveau_chan.c

44 nouveau_channel_kill(struct nouveau_channel *chan)
46 	atomic_set(&chan->killed, 1);
47 	if (chan->fence)
48 		nouveau_fence_context_kill(chan->fence, -ENODEV);
54 	struct nouveau_channel *chan = container_of(event, typeof(*chan), kill);
55 	struct nouveau_cli *cli = (void *)chan->user.client;
57 	NV_PRINTK(warn, cli, "channel %d killed!\n", chan->chid);
59 	if (unlikely(!atomic_read(&chan->killed)))
60 		nouveau_channel_kill(chan);
66 nouveau_channel_idle(struct nouveau_channel *chan)
68 	if (likely(chan && chan->fence && !atomic_read(&chan->killed))) {
69 		struct nouveau_cli *cli = (void *)chan->user.client;
73 		ret = nouveau_fence_new(&fence, chan);
81 				  chan->chid, nvxx_client(&cli->base)->name);
91 	struct nouveau_channel *chan = *pchan;
92 	if (chan) {
93 		struct nouveau_cli *cli = (void *)chan->user.client;
95 		if (chan->fence)
96 			nouveau_fence(chan->drm)->context_del(chan);
99 			nouveau_svmm_part(chan->vmm->svmm, chan->inst);
101 		nvif_object_dtor(&chan->blit);
102 		nvif_object_dtor(&chan->nvsw);
103 		nvif_object_dtor(&chan->gart);
104 		nvif_object_dtor(&chan->vram);
105 		nvif_event_dtor(&chan->kill);
106 		nvif_object_dtor(&chan->user);
107 		nvif_mem_dtor(&chan->mem_userd);
108 		nvif_object_dtor(&chan->push.ctxdma);
109 		nouveau_vma_del(&chan->push.vma);
110 		nouveau_bo_unmap(chan->push.buffer);
111 		if (chan->push.buffer && chan->push.buffer->bo.pin_count)
112 			nouveau_bo_unpin(chan->push.buffer);
113 		nouveau_bo_ref(NULL, &chan->push.buffer);
114 		kfree(chan);
122 	struct nouveau_channel *chan = container_of(push, typeof(*chan), chan._push);
123 	chan->dma.cur = chan->dma.cur + (chan->chan._push.cur - chan->chan._push.bgn);
124 	FIRE_RING(chan);
125 	chan->chan._push.bgn = chan->chan._push.cur;
131 	struct nouveau_channel *chan = container_of(push, typeof(*chan), chan._push);
133 	chan->dma.cur = chan->dma.cur + (chan->chan._push.cur - chan->chan._push.bgn);
134 	ret = RING_SPACE(chan, size);
136 		chan->chan._push.bgn = chan->chan._push.mem.object.map.ptr;
137 		chan->chan._push.bgn = chan->chan._push.bgn + chan->dma.cur;
138 		chan->chan._push.cur = chan->chan._push.bgn;
139 		chan->chan._push.end = chan->chan._push.bgn + size;
150 	struct nouveau_channel *chan;
154 	chan = *pchan = kzalloc(sizeof(*chan), GFP_KERNEL);
155 	if (!chan)
158 	chan->device = device;
159 	chan->drm = drm;
160 	chan->vmm = nouveau_cli_vmm(cli);
161 	atomic_set(&chan->killed, 0);
169 			    &chan->push.buffer);
171 		ret = nouveau_bo_pin(chan->push.buffer, target, false);
173 			ret = nouveau_bo_map(chan->push.buffer);
181 	chan->chan._push.mem.object.parent = cli->base.object.parent;
182 	chan->chan._push.mem.object.client = &cli->base;
183 	chan->chan._push.mem.object.name = "chanPush";
184 	chan->chan._push.mem.object.map.ptr = chan->push.buffer->kmap.virtual;
185 	chan->chan._push.wait = nouveau_channel_wait;
186 	chan->chan._push.kick = nouveau_channel_kick;
187 	chan->chan.push = &chan->chan._push;
193 	chan->push.addr = chan->push.buffer->offset;
196 		ret = nouveau_vma_new(chan->push.buffer, chan->vmm,
197 				      &chan->push.vma);
203 		chan->push.addr = chan->push.vma->addr;
211 		args.limit = chan->vmm->vmm.limit - 1;
213 	if (chan->push.buffer->bo.resource->mem_type == TTM_PL_VRAM) {
231 		if (chan->drm->agp.bridge) {
234 			args.start = chan->drm->agp.base;
235 			args.limit = chan->drm->agp.base +
236 				     chan->drm->agp.size - 1;
241 			args.limit = chan->vmm->vmm.limit - 1;
247 			       &chan->push.ctxdma);
279 		struct nvif_chan_v0 chan;
283 	struct nouveau_channel *chan;
301 	ret = nouveau_channel_prep(drm, device, size, &chan);
302 	*pchan = chan;
307 	args.chan.version = 0;
308 	args.chan.namelen = sizeof(args.name);
309 	args.chan.runlist = __ffs64(runm);
310 	args.chan.runq = 0;
311 	args.chan.priv = priv;
312 	args.chan.devm = BIT(0);
314 		args.chan.vmm = 0;
315 		args.chan.ctxdma = nvif_handle(&chan->push.ctxdma);
316 		args.chan.offset = chan->push.addr;
317 		args.chan.length = 0;
319 		args.chan.vmm = nvif_handle(&chan->vmm->vmm.object);
321 			args.chan.ctxdma = nvif_handle(&chan->push.ctxdma);
323 			args.chan.ctxdma = 0;
324 		args.chan.offset = ioffset + chan->push.addr;
325 		args.chan.length = ilength;
327 	args.chan.huserd = 0;
328 	args.chan.ouserd = 0;
334 				    0, PAGE_SIZE, NULL, 0, &chan->mem_userd);
338 		args.chan.huserd = nvif_handle(&chan->mem_userd.object);
339 		args.chan.ouserd = 0;
341 		chan->userd = &chan->mem_userd.object;
343 		chan->userd = &chan->user;
350 			       &args, sizeof(args), &chan->user);
356 	chan->runlist = args.chan.runlist;
357 	chan->chid = args.chan.chid;
358 	chan->inst = args.chan.inst;
359 	chan->token = args.chan.token;
364 nouveau_channel_init(struct nouveau_channel *chan, u32 vram, u32 gart)
366 	struct nvif_device *device = chan->device;
367 	struct nouveau_drm *drm = chan->drm;
371 	ret = nvif_object_map(chan->userd, NULL, 0);
375 	if (chan->user.oclass >= FERMI_CHANNEL_GPFIFO) {
384 		ret = nvif_event_ctor(&chan->user, "abi16ChanKilled", chan->chid,
386 				      &args.base, sizeof(args), &chan->kill);
388 			ret = nvif_event_allow(&chan->kill);
402 			args.limit = chan->vmm->vmm.limit - 1;
410 		ret = nvif_object_ctor(&chan->user, "abi16ChanVramCtxDma", vram,
412 				       &chan->vram);
420 			args.limit = chan->vmm->vmm.limit - 1;
422 		if (chan->drm->agp.bridge) {
425 			args.start = chan->drm->agp.base;
426 			args.limit = chan->drm->agp.base +
427 				     chan->drm->agp.size - 1;
432 			args.limit = chan->vmm->vmm.limit - 1;
435 		ret = nvif_object_ctor(&chan->user, "abi16ChanGartCtxDma", gart,
437 				       &chan->gart);
443 	switch (chan->user.oclass) {
448 		chan->user_put = 0x40;
449 		chan->user_get = 0x44;
450 		chan->dma.max = (0x10000 / 4) - 2;
453 		chan->user_put = 0x40;
454 		chan->user_get = 0x44;
455 		chan->user_get_hi = 0x60;
456 		chan->dma.ib_base =  0x10000 / 4;
457 		chan->dma.ib_max  = NV50_DMA_IB_MAX;
458 		chan->dma.ib_put  = 0;
459 		chan->dma.ib_free = chan->dma.ib_max - chan->dma.ib_put;
460 		chan->dma.max = chan->dma.ib_base;
464 	chan->dma.put = 0;
465 	chan->dma.cur = chan->dma.put;
466 	chan->dma.free = chan->dma.max - chan->dma.cur;
468 	ret = PUSH_WAIT(chan->chan.push, NOUVEAU_DMA_SKIPS);
473 		PUSH_DATA(chan->chan.push, 0x00000000);
477 		ret = nvif_object_ctor(&chan->user, "abi16NvswFence", 0x006e,
479 				       NULL, 0, &chan->nvsw);
483 		ret = PUSH_WAIT(chan->chan.push, 2);
487 		PUSH_NVSQ(chan->chan.push, NV_SW, 0x0000, chan->nvsw.handle);
488 		PUSH_KICK(chan->chan.push);
492 	return nouveau_fence(chan->drm)->context_new(chan);