39 MODULE_PARM_DESC(vram_pushbuf, "Create DMA push buffers in VRAM");
108 		nvif_object_dtor(&chan->push.ctxdma);  in nouveau_channel_del()
109 		nouveau_vma_del(&chan->push.vma);  in nouveau_channel_del()
110 		nouveau_bo_unmap(chan->push.buffer);  in nouveau_channel_del()
111 		if (chan->push.buffer && chan->push.buffer->bo.pin_count)  in nouveau_channel_del()
112 			nouveau_bo_unpin(chan->push.buffer);  in nouveau_channel_del()
113 		nouveau_bo_ref(NULL, &chan->push.buffer);  in nouveau_channel_del()
120 nouveau_channel_kick(struct nvif_push *push)  in nouveau_channel_kick()  argument
122 	struct nouveau_channel *chan = container_of(push, typeof(*chan), chan._push);  in nouveau_channel_kick()
129 nouveau_channel_wait(struct nvif_push *push, u32 size)  in nouveau_channel_wait()  argument
131 	struct nouveau_channel *chan = container_of(push, typeof(*chan), chan._push);  in nouveau_channel_wait()
163 	/* allocate memory for dma push buffer */  in nouveau_channel_prep()
169 			    &chan->push.buffer);  in nouveau_channel_prep()
171 		ret = nouveau_bo_pin(chan->push.buffer, target, false);  in nouveau_channel_prep()
173 			ret = nouveau_bo_map(chan->push.buffer);  in nouveau_channel_prep()
184 	chan->chan._push.mem.object.map.ptr = chan->push.buffer->kmap.virtual;  in nouveau_channel_prep()
187 	chan->chan.push = &chan->chan._push;  in nouveau_channel_prep()
191 	 * we be able to call out to other (indirect) push buffers  in nouveau_channel_prep()
193 	chan->push.addr = chan->push.buffer->offset;  in nouveau_channel_prep()
196 		ret = nouveau_vma_new(chan->push.buffer, chan->vmm,  in nouveau_channel_prep()
197 				      &chan->push.vma);  in nouveau_channel_prep()
203 		chan->push.addr = chan->push.vma->addr;  in nouveau_channel_prep()
213 	if (chan->push.buffer->bo.resource->mem_type == TTM_PL_VRAM) {  in nouveau_channel_prep()
247 			       &chan->push.ctxdma);  in nouveau_channel_prep()
300 	/* allocate dma push buffer */  in nouveau_channel_ctor()
315 		args.chan.ctxdma = nvif_handle(&chan->push.ctxdma);  in nouveau_channel_ctor()
316 		args.chan.offset = chan->push.addr;  in nouveau_channel_ctor()
321 			args.chan.ctxdma = nvif_handle(&chan->push.ctxdma);  in nouveau_channel_ctor()
324 		args.chan.offset = ioffset + chan->push.addr;  in nouveau_channel_ctor()
468 	ret = PUSH_WAIT(chan->chan.push, NOUVEAU_DMA_SKIPS);  in nouveau_channel_init()
473 		PUSH_DATA(chan->chan.push, 0x00000000);  in nouveau_channel_init()
483 		ret = PUSH_WAIT(chan->chan.push, 2);  in nouveau_channel_init()
487 		PUSH_NVSQ(chan->chan.push, NV_SW, 0x0000, chan->nvsw.handle);  in nouveau_channel_init()
488 		PUSH_KICK(chan->chan.push);  in nouveau_channel_init()