Ben Skeggs | 5e120f6 | 2012-04-30 13:55:29 +1000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2012 Red Hat Inc. |
| 3 | * |
| 4 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 5 | * copy of this software and associated documentation files (the "Software"), |
| 6 | * to deal in the Software without restriction, including without limitation |
| 7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| 8 | * and/or sell copies of the Software, and to permit persons to whom the |
| 9 | * Software is furnished to do so, subject to the following conditions: |
| 10 | * |
| 11 | * The above copyright notice and this permission notice shall be included in |
| 12 | * all copies or substantial portions of the Software. |
| 13 | * |
| 14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 17 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| 18 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| 19 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| 20 | * OTHER DEALINGS IN THE SOFTWARE. |
| 21 | * |
| 22 | * Authors: Ben Skeggs |
| 23 | */ |
| 24 | |
Ben Skeggs | ebb945a | 2012-07-20 08:17:34 +1000 | [diff] [blame] | 25 | #include "nouveau_drm.h" |
Ben Skeggs | 5e120f6 | 2012-04-30 13:55:29 +1000 | [diff] [blame] | 26 | #include "nouveau_dma.h" |
Ben Skeggs | 5e120f6 | 2012-04-30 13:55:29 +1000 | [diff] [blame] | 27 | #include "nouveau_fence.h" |
| 28 | |
| 29 | struct nv04_fence_chan { |
| 30 | struct nouveau_fence_chan base; |
Ben Skeggs | 5e120f6 | 2012-04-30 13:55:29 +1000 | [diff] [blame] | 31 | }; |
| 32 | |
| 33 | struct nv04_fence_priv { |
| 34 | struct nouveau_fence_priv base; |
| 35 | }; |
| 36 | |
| 37 | static int |
| 38 | nv04_fence_emit(struct nouveau_fence *fence) |
| 39 | { |
| 40 | struct nouveau_channel *chan = fence->channel; |
| 41 | int ret = RING_SPACE(chan, 2); |
| 42 | if (ret == 0) { |
| 43 | BEGIN_NV04(chan, NvSubSw, 0x0150, 1); |
Maarten Lankhorst | 29ba89b | 2014-01-09 11:03:11 +0100 | [diff] [blame] | 44 | OUT_RING (chan, fence->base.seqno); |
Ben Skeggs | 5e120f6 | 2012-04-30 13:55:29 +1000 | [diff] [blame] | 45 | FIRE_RING (chan); |
| 46 | } |
| 47 | return ret; |
| 48 | } |
| 49 | |
| 50 | static int |
Ben Skeggs | 906c033 | 2012-05-04 16:25:47 +1000 | [diff] [blame] | 51 | nv04_fence_sync(struct nouveau_fence *fence, |
| 52 | struct nouveau_channel *prev, struct nouveau_channel *chan) |
Ben Skeggs | 5e120f6 | 2012-04-30 13:55:29 +1000 | [diff] [blame] | 53 | { |
| 54 | return -ENODEV; |
| 55 | } |
| 56 | |
Ben Skeggs | 5e120f6 | 2012-04-30 13:55:29 +1000 | [diff] [blame] | 57 | static u32 |
| 58 | nv04_fence_read(struct nouveau_channel *chan) |
| 59 | { |
Ben Skeggs | cd459e7 | 2015-08-20 14:54:18 +1000 | [diff] [blame] | 60 | struct nv04_nvsw_get_ref_v0 args = {}; |
| 61 | WARN_ON(nvif_object_mthd(&chan->nvsw, NV04_NVSW_GET_REF, |
| 62 | &args, sizeof(args))); |
| 63 | return args.ref; |
Ben Skeggs | 5e120f6 | 2012-04-30 13:55:29 +1000 | [diff] [blame] | 64 | } |
| 65 | |
| 66 | static void |
Ben Skeggs | e193b1d | 2012-07-19 10:51:42 +1000 | [diff] [blame] | 67 | nv04_fence_context_del(struct nouveau_channel *chan) |
Ben Skeggs | 5e120f6 | 2012-04-30 13:55:29 +1000 | [diff] [blame] | 68 | { |
Ben Skeggs | e193b1d | 2012-07-19 10:51:42 +1000 | [diff] [blame] | 69 | struct nv04_fence_chan *fctx = chan->fence; |
Ben Skeggs | 5e120f6 | 2012-04-30 13:55:29 +1000 | [diff] [blame] | 70 | nouveau_fence_context_del(&fctx->base); |
Ben Skeggs | e193b1d | 2012-07-19 10:51:42 +1000 | [diff] [blame] | 71 | chan->fence = NULL; |
Maarten Lankhorst | 15a996b | 2014-09-29 10:06:18 +0200 | [diff] [blame] | 72 | nouveau_fence_context_free(&fctx->base); |
Ben Skeggs | 5e120f6 | 2012-04-30 13:55:29 +1000 | [diff] [blame] | 73 | } |
| 74 | |
| 75 | static int |
Ben Skeggs | e193b1d | 2012-07-19 10:51:42 +1000 | [diff] [blame] | 76 | nv04_fence_context_new(struct nouveau_channel *chan) |
Ben Skeggs | 5e120f6 | 2012-04-30 13:55:29 +1000 | [diff] [blame] | 77 | { |
| 78 | struct nv04_fence_chan *fctx = kzalloc(sizeof(*fctx), GFP_KERNEL); |
| 79 | if (fctx) { |
Maarten Lankhorst | 29ba89b | 2014-01-09 11:03:11 +0100 | [diff] [blame] | 80 | nouveau_fence_context_new(chan, &fctx->base); |
Ben Skeggs | 827520c | 2013-02-14 13:20:17 +1000 | [diff] [blame] | 81 | fctx->base.emit = nv04_fence_emit; |
| 82 | fctx->base.sync = nv04_fence_sync; |
| 83 | fctx->base.read = nv04_fence_read; |
Ben Skeggs | e193b1d | 2012-07-19 10:51:42 +1000 | [diff] [blame] | 84 | chan->fence = fctx; |
Ben Skeggs | 5e120f6 | 2012-04-30 13:55:29 +1000 | [diff] [blame] | 85 | return 0; |
| 86 | } |
| 87 | return -ENOMEM; |
| 88 | } |
| 89 | |
Ben Skeggs | 5e120f6 | 2012-04-30 13:55:29 +1000 | [diff] [blame] | 90 | static void |
Ben Skeggs | ebb945a | 2012-07-20 08:17:34 +1000 | [diff] [blame] | 91 | nv04_fence_destroy(struct nouveau_drm *drm) |
Ben Skeggs | 5e120f6 | 2012-04-30 13:55:29 +1000 | [diff] [blame] | 92 | { |
Ben Skeggs | ebb945a | 2012-07-20 08:17:34 +1000 | [diff] [blame] | 93 | struct nv04_fence_priv *priv = drm->fence; |
| 94 | drm->fence = NULL; |
Ben Skeggs | 5e120f6 | 2012-04-30 13:55:29 +1000 | [diff] [blame] | 95 | kfree(priv); |
| 96 | } |
| 97 | |
| 98 | int |
Ben Skeggs | ebb945a | 2012-07-20 08:17:34 +1000 | [diff] [blame] | 99 | nv04_fence_create(struct nouveau_drm *drm) |
Ben Skeggs | 5e120f6 | 2012-04-30 13:55:29 +1000 | [diff] [blame] | 100 | { |
Ben Skeggs | 5e120f6 | 2012-04-30 13:55:29 +1000 | [diff] [blame] | 101 | struct nv04_fence_priv *priv; |
Ben Skeggs | 5e120f6 | 2012-04-30 13:55:29 +1000 | [diff] [blame] | 102 | |
Ben Skeggs | ebb945a | 2012-07-20 08:17:34 +1000 | [diff] [blame] | 103 | priv = drm->fence = kzalloc(sizeof(*priv), GFP_KERNEL); |
Ben Skeggs | 5e120f6 | 2012-04-30 13:55:29 +1000 | [diff] [blame] | 104 | if (!priv) |
| 105 | return -ENOMEM; |
| 106 | |
Ben Skeggs | e193b1d | 2012-07-19 10:51:42 +1000 | [diff] [blame] | 107 | priv->base.dtor = nv04_fence_destroy; |
| 108 | priv->base.context_new = nv04_fence_context_new; |
| 109 | priv->base.context_del = nv04_fence_context_del; |
Maarten Lankhorst | 29ba89b | 2014-01-09 11:03:11 +0100 | [diff] [blame] | 110 | priv->base.contexts = 15; |
| 111 | priv->base.context_base = fence_context_alloc(priv->base.contexts); |
Ben Skeggs | ebb945a | 2012-07-20 08:17:34 +1000 | [diff] [blame] | 112 | return 0; |
Ben Skeggs | 5e120f6 | 2012-04-30 13:55:29 +1000 | [diff] [blame] | 113 | } |