Lines Matching +full:max +full:- +full:cur

37  *  -EINVAL if GET pointer currently outside main push buffer
38  *  -EBUSY if timeout exceeded
45 	val = nvif_rd32(chan->userd, chan->user_get);
59 			return -EBUSY;
62 	if (val < chan->push.addr ||
63 	    val > chan->push.addr + (chan->dma.max << 2))
64 		return -EINVAL;
66 	return (val - chan->push.addr) >> 2;
75 	while (chan->dma.free < size) {
77 		if (unlikely(get == -EBUSY))
78 			return -EBUSY;
89 		if (unlikely(get == -EINVAL) || get < NOUVEAU_DMA_SKIPS)
92 		if (get <= chan->dma.cur) {
99 			 * we'll hit the fetching-ahead-of-us path from that
106 			chan->dma.free = chan->dma.max - chan->dma.cur;
107 			if (chan->dma.free >= size)
114 			OUT_RING(chan, chan->push.addr | 0x20000000);
123 				if (unlikely(get == -EBUSY))
124 					return -EBUSY;
125 				if (unlikely(get == -EINVAL))
133 			chan->dma.cur  =
134 			chan->dma.put  = NOUVEAU_DMA_SKIPS;
138 		 * current GET pointer.  the "- 1" is to ensure there's
143 		chan->dma.free = get - chan->dma.cur - 1;