39 MODULE_PARM_DESC(vram_pushbuf, "Create DMA push buffers in VRAM");
106 		nvif_object_dtor(&chan->push.ctxdma);  in nouveau_channel_del()
107 		nouveau_vma_del(&chan->push.vma);  in nouveau_channel_del()
108 		nouveau_bo_unmap(chan->push.buffer);  in nouveau_channel_del()
109 		if (chan->push.buffer && chan->push.buffer->bo.pin_count)  in nouveau_channel_del()
110 			nouveau_bo_unpin(chan->push.buffer);  in nouveau_channel_del()
111 		nouveau_bo_fini(chan->push.buffer);  in nouveau_channel_del()
118 nouveau_channel_kick(struct nvif_push *push)  in nouveau_channel_kick()  argument
120 	struct nouveau_channel *chan = container_of(push, typeof(*chan), chan.push);  in nouveau_channel_kick()
121 	chan->dma.cur = chan->dma.cur + (chan->chan.push.cur - chan->chan.push.bgn);  in nouveau_channel_kick()
123 	chan->chan.push.bgn = chan->chan.push.cur;  in nouveau_channel_kick()
127 nouveau_channel_wait(struct nvif_push *push, u32 size)  in nouveau_channel_wait()  argument
129 	struct nouveau_channel *chan = container_of(push, typeof(*chan), chan.push);  in nouveau_channel_wait()
131 	chan->dma.cur = chan->dma.cur + (chan->chan.push.cur - chan->chan.push.bgn);  in nouveau_channel_wait()
134 		chan->chan.push.bgn = chan->chan.push.mem.object.map.ptr;  in nouveau_channel_wait()
135 		chan->chan.push.bgn = chan->chan.push.bgn + chan->dma.cur;  in nouveau_channel_wait()
136 		chan->chan.push.cur = chan->chan.push.bgn;  in nouveau_channel_wait()
137 		chan->chan.push.end = chan->chan.push.bgn + size;  in nouveau_channel_wait()
161 	/* allocate memory for dma push buffer */  in nouveau_channel_prep()
167 			    &chan->push.buffer);  in nouveau_channel_prep()
169 		ret = nouveau_bo_pin(chan->push.buffer, target, false);  in nouveau_channel_prep()
171 			ret = nouveau_bo_map(chan->push.buffer);  in nouveau_channel_prep()
179 	chan->chan.push.mem.object.parent = cli->base.object.parent;  in nouveau_channel_prep()
180 	chan->chan.push.mem.object.client = &cli->base;  in nouveau_channel_prep()
181 	chan->chan.push.mem.object.name = "chanPush";  in nouveau_channel_prep()
182 	chan->chan.push.mem.object.map.ptr = chan->push.buffer->kmap.virtual;  in nouveau_channel_prep()
183 	chan->chan.push.wait = nouveau_channel_wait;  in nouveau_channel_prep()
184 	chan->chan.push.kick = nouveau_channel_kick;  in nouveau_channel_prep()
188 	 * we be able to call out to other (indirect) push buffers  in nouveau_channel_prep()
190 	chan->push.addr = chan->push.buffer->offset;  in nouveau_channel_prep()
193 		ret = nouveau_vma_new(chan->push.buffer, chan->vmm,  in nouveau_channel_prep()
194 				      &chan->push.vma);  in nouveau_channel_prep()
200 		chan->push.addr = chan->push.vma->addr;  in nouveau_channel_prep()
210 	if (chan->push.buffer->bo.resource->mem_type == TTM_PL_VRAM) {  in nouveau_channel_prep()
242 			       &chan->push.ctxdma);  in nouveau_channel_prep()
294 	/* allocate dma push buffer */  in nouveau_channel_ctor()
309 		args.chan.ctxdma = nvif_handle(&chan->push.ctxdma);  in nouveau_channel_ctor()
310 		args.chan.offset = chan->push.addr;  in nouveau_channel_ctor()
315 			args.chan.ctxdma = nvif_handle(&chan->push.ctxdma);  in nouveau_channel_ctor()
318 		args.chan.offset = ioffset + chan->push.addr;  in nouveau_channel_ctor()
461 	ret = PUSH_WAIT(&chan->chan.push, NOUVEAU_DMA_SKIPS);  in nouveau_channel_init()
466 		PUSH_DATA(&chan->chan.push, 0x00000000);  in nouveau_channel_init()
476 		ret = PUSH_WAIT(&chan->chan.push, 2);  in nouveau_channel_init()
480 		PUSH_NVSQ(&chan->chan.push, NV_SW, 0x0000, chan->nvsw.handle);  in nouveau_channel_init()
481 		PUSH_KICK(&chan->chan.push);  in nouveau_channel_init()