diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_notifier.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_notifier.c | 162 |
1 files changed, 0 insertions, 162 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_notifier.c b/drivers/gpu/drm/nouveau/nouveau_notifier.c deleted file mode 100644 index 1ad3e6c8c432..000000000000 --- a/drivers/gpu/drm/nouveau/nouveau_notifier.c +++ /dev/null | |||
@@ -1,162 +0,0 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2007 Ben Skeggs. | ||
3 | * | ||
4 | * All Rights Reserved. | ||
5 | * | ||
6 | * Permission is hereby granted, free of charge, to any person obtaining | ||
7 | * a copy of this software and associated documentation files (the | ||
8 | * "Software"), to deal in the Software without restriction, including | ||
9 | * without limitation the rights to use, copy, modify, merge, publish, | ||
10 | * distribute, sublicense, and/or sell copies of the Software, and to | ||
11 | * permit persons to whom the Software is furnished to do so, subject to | ||
12 | * the following conditions: | ||
13 | * | ||
14 | * The above copyright notice and this permission notice (including the | ||
15 | * next paragraph) shall be included in all copies or substantial | ||
16 | * portions of the Software. | ||
17 | * | ||
18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | ||
19 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | ||
20 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. | ||
21 | * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE | ||
22 | * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION | ||
23 | * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION | ||
24 | * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | ||
25 | * | ||
26 | */ | ||
27 | |||
28 | #include <drm/drmP.h> | ||
29 | #include "nouveau_drv.h" | ||
30 | #include "nouveau_ramht.h" | ||
31 | |||
32 | int | ||
33 | nouveau_notifier_init_channel(struct nouveau_channel *chan) | ||
34 | { | ||
35 | struct drm_device *dev = chan->dev; | ||
36 | struct drm_nouveau_private *dev_priv = dev->dev_private; | ||
37 | struct nouveau_bo *ntfy = NULL; | ||
38 | uint32_t flags, ttmpl; | ||
39 | int ret; | ||
40 | |||
41 | if (nouveau_vram_notify) { | ||
42 | flags = NOUVEAU_GEM_DOMAIN_VRAM; | ||
43 | ttmpl = TTM_PL_FLAG_VRAM; | ||
44 | } else { | ||
45 | flags = NOUVEAU_GEM_DOMAIN_GART; | ||
46 | ttmpl = TTM_PL_FLAG_TT; | ||
47 | } | ||
48 | |||
49 | ret = nouveau_gem_new(dev, PAGE_SIZE, 0, flags, 0, 0, &ntfy); | ||
50 | if (ret) | ||
51 | return ret; | ||
52 | |||
53 | ret = nouveau_bo_pin(ntfy, ttmpl); | ||
54 | if (ret) | ||
55 | goto out_err; | ||
56 | |||
57 | ret = nouveau_bo_map(ntfy); | ||
58 | if (ret) | ||
59 | goto out_err; | ||
60 | |||
61 | if (dev_priv->card_type >= NV_50) { | ||
62 | ret = nouveau_bo_vma_add(ntfy, chan->vm, &chan->notifier_vma); | ||
63 | if (ret) | ||
64 | goto out_err; | ||
65 | } | ||
66 | |||
67 | ret = drm_mm_init(&chan->notifier_heap, 0, ntfy->bo.mem.size); | ||
68 | if (ret) | ||
69 | goto out_err; | ||
70 | |||
71 | chan->notifier_bo = ntfy; | ||
72 | out_err: | ||
73 | if (ret) { | ||
74 | nouveau_bo_vma_del(ntfy, &chan->notifier_vma); | ||
75 | drm_gem_object_unreference_unlocked(ntfy->gem); | ||
76 | } | ||
77 | |||
78 | return ret; | ||
79 | } | ||
80 | |||
81 | void | ||
82 | nouveau_notifier_takedown_channel(struct nouveau_channel *chan) | ||
83 | { | ||
84 | struct drm_device *dev = chan->dev; | ||
85 | |||
86 | if (!chan->notifier_bo) | ||
87 | return; | ||
88 | |||
89 | nouveau_bo_vma_del(chan->notifier_bo, &chan->notifier_vma); | ||
90 | nouveau_bo_unmap(chan->notifier_bo); | ||
91 | mutex_lock(&dev->struct_mutex); | ||
92 | nouveau_bo_unpin(chan->notifier_bo); | ||
93 | mutex_unlock(&dev->struct_mutex); | ||
94 | drm_gem_object_unreference_unlocked(chan->notifier_bo->gem); | ||
95 | drm_mm_takedown(&chan->notifier_heap); | ||
96 | } | ||
97 | |||
98 | static void | ||
99 | nouveau_notifier_gpuobj_dtor(struct drm_device *dev, | ||
100 | struct nouveau_gpuobj *gpuobj) | ||
101 | { | ||
102 | NV_DEBUG(dev, "\n"); | ||
103 | |||
104 | if (gpuobj->priv) | ||
105 | drm_mm_put_block(gpuobj->priv); | ||
106 | } | ||
107 | |||
108 | int | ||
109 | nouveau_notifier_alloc(struct nouveau_channel *chan, uint32_t handle, | ||
110 | int size, uint32_t start, uint32_t end, | ||
111 | uint32_t *b_offset) | ||
112 | { | ||
113 | struct drm_device *dev = chan->dev; | ||
114 | struct drm_nouveau_private *dev_priv = dev->dev_private; | ||
115 | struct nouveau_gpuobj *nobj = NULL; | ||
116 | struct drm_mm_node *mem; | ||
117 | uint64_t offset; | ||
118 | int target, ret; | ||
119 | |||
120 | mem = drm_mm_search_free_in_range(&chan->notifier_heap, size, 0, | ||
121 | start, end, 0); | ||
122 | if (mem) | ||
123 | mem = drm_mm_get_block_range(mem, size, 0, start, end); | ||
124 | if (!mem) { | ||
125 | NV_ERROR(dev, "Channel %d notifier block full\n", chan->id); | ||
126 | return -ENOMEM; | ||
127 | } | ||
128 | |||
129 | if (dev_priv->card_type < NV_50) { | ||
130 | if (chan->notifier_bo->bo.mem.mem_type == TTM_PL_VRAM) | ||
131 | target = NV_MEM_TARGET_VRAM; | ||
132 | else | ||
133 | target = NV_MEM_TARGET_GART; | ||
134 | offset = chan->notifier_bo->bo.offset; | ||
135 | } else { | ||
136 | target = NV_MEM_TARGET_VM; | ||
137 | offset = chan->notifier_vma.offset; | ||
138 | } | ||
139 | offset += mem->start; | ||
140 | |||
141 | ret = nouveau_gpuobj_dma_new(chan, NV_CLASS_DMA_IN_MEMORY, offset, | ||
142 | mem->size, NV_MEM_ACCESS_RW, target, | ||
143 | &nobj); | ||
144 | if (ret) { | ||
145 | drm_mm_put_block(mem); | ||
146 | NV_ERROR(dev, "Error creating notifier ctxdma: %d\n", ret); | ||
147 | return ret; | ||
148 | } | ||
149 | nobj->dtor = nouveau_notifier_gpuobj_dtor; | ||
150 | nobj->priv = mem; | ||
151 | |||
152 | ret = nouveau_ramht_insert(chan, handle, nobj); | ||
153 | nouveau_gpuobj_ref(NULL, &nobj); | ||
154 | if (ret) { | ||
155 | drm_mm_put_block(mem); | ||
156 | NV_ERROR(dev, "Error adding notifier to ramht: %d\n", ret); | ||
157 | return ret; | ||
158 | } | ||
159 | |||
160 | *b_offset = mem->start; | ||
161 | return 0; | ||
162 | } | ||