Commit | Line | Data |
---|---|---|
6ee73861 BS |
1 | #include "drmP.h" |
2 | #include "drm.h" | |
3 | #include "nouveau_drv.h" | |
4 | #include "nouveau_drm.h" | |
5 | ||
87a326a3 FJ |
6 | static struct drm_mm_node * |
7 | nv20_fb_alloc_tag(struct drm_device *dev, uint32_t size) | |
8 | { | |
9 | struct drm_nouveau_private *dev_priv = dev->dev_private; | |
10 | struct nouveau_fb_engine *pfb = &dev_priv->engine.fb; | |
11 | struct drm_mm_node *mem; | |
12 | int ret; | |
13 | ||
14 | ret = drm_mm_pre_get(&pfb->tag_heap); | |
15 | if (ret) | |
16 | return NULL; | |
17 | ||
18 | spin_lock(&dev_priv->tile.lock); | |
19 | mem = drm_mm_search_free(&pfb->tag_heap, size, 0, 0); | |
20 | if (mem) | |
21 | mem = drm_mm_get_block_atomic(mem, size, 0); | |
22 | spin_unlock(&dev_priv->tile.lock); | |
23 | ||
24 | return mem; | |
25 | } | |
26 | ||
27 | static void | |
28 | nv20_fb_free_tag(struct drm_device *dev, struct drm_mm_node *mem) | |
29 | { | |
30 | struct drm_nouveau_private *dev_priv = dev->dev_private; | |
31 | ||
32 | spin_lock(&dev_priv->tile.lock); | |
33 | drm_mm_put_block(mem); | |
34 | spin_unlock(&dev_priv->tile.lock); | |
35 | } | |
36 | ||
0d87c100 | 37 | void |
a5cf68b0 FJ |
38 | nv10_fb_init_tile_region(struct drm_device *dev, int i, uint32_t addr, |
39 | uint32_t size, uint32_t pitch, uint32_t flags) | |
0d87c100 FJ |
40 | { |
41 | struct drm_nouveau_private *dev_priv = dev->dev_private; | |
a5cf68b0 | 42 | struct nouveau_tile_reg *tile = &dev_priv->tile.reg[i]; |
87a326a3 | 43 | int bpp = (flags & NOUVEAU_GEM_TILE_32BPP ? 32 : 16); |
a5cf68b0 FJ |
44 | |
45 | tile->addr = addr; | |
46 | tile->limit = max(1u, addr + size) - 1; | |
47 | tile->pitch = pitch; | |
48 | ||
87a326a3 FJ |
49 | if (dev_priv->card_type == NV_20) { |
50 | if (flags & NOUVEAU_GEM_TILE_ZETA) { | |
51 | /* | |
52 | * Allocate some of the on-die tag memory, | |
53 | * used to store Z compression meta-data (most | |
54 | * likely just a bitmap determining if a given | |
55 | * tile is compressed or not). | |
56 | */ | |
57 | tile->tag_mem = nv20_fb_alloc_tag(dev, size / 256); | |
58 | ||
59 | if (tile->tag_mem) { | |
60 | /* Enable Z compression */ | |
61 | if (dev_priv->chipset >= 0x25) | |
62 | tile->zcomp = tile->tag_mem->start | | |
63 | (bpp == 16 ? | |
64 | NV25_PFB_ZCOMP_MODE_16 : | |
65 | NV25_PFB_ZCOMP_MODE_32); | |
66 | else | |
67 | tile->zcomp = tile->tag_mem->start | | |
68 | NV20_PFB_ZCOMP_EN | | |
69 | (bpp == 16 ? 0 : | |
70 | NV20_PFB_ZCOMP_MODE_32); | |
71 | } | |
72 | ||
73 | tile->addr |= 3; | |
74 | } else { | |
75 | tile->addr |= 1; | |
76 | } | |
77 | ||
78 | } else { | |
a5cf68b0 | 79 | tile->addr |= 1 << 31; |
87a326a3 | 80 | } |
a5cf68b0 FJ |
81 | } |
82 | ||
83 | void | |
84 | nv10_fb_free_tile_region(struct drm_device *dev, int i) | |
85 | { | |
86 | struct drm_nouveau_private *dev_priv = dev->dev_private; | |
87 | struct nouveau_tile_reg *tile = &dev_priv->tile.reg[i]; | |
88 | ||
87a326a3 FJ |
89 | if (tile->tag_mem) { |
90 | nv20_fb_free_tag(dev, tile->tag_mem); | |
91 | tile->tag_mem = NULL; | |
92 | } | |
93 | ||
94 | tile->addr = tile->limit = tile->pitch = tile->zcomp = 0; | |
a5cf68b0 FJ |
95 | } |
96 | ||
97 | void | |
98 | nv10_fb_set_tile_region(struct drm_device *dev, int i) | |
99 | { | |
100 | struct drm_nouveau_private *dev_priv = dev->dev_private; | |
101 | struct nouveau_tile_reg *tile = &dev_priv->tile.reg[i]; | |
102 | ||
103 | nv_wr32(dev, NV10_PFB_TLIMIT(i), tile->limit); | |
104 | nv_wr32(dev, NV10_PFB_TSIZE(i), tile->pitch); | |
105 | nv_wr32(dev, NV10_PFB_TILE(i), tile->addr); | |
87a326a3 FJ |
106 | |
107 | if (dev_priv->card_type == NV_20) | |
108 | nv_wr32(dev, NV20_PFB_ZCOMP(i), tile->zcomp); | |
0d87c100 FJ |
109 | } |
110 | ||
6ee73861 BS |
111 | int |
112 | nv10_fb_init(struct drm_device *dev) | |
113 | { | |
0d87c100 FJ |
114 | struct drm_nouveau_private *dev_priv = dev->dev_private; |
115 | struct nouveau_fb_engine *pfb = &dev_priv->engine.fb; | |
6ee73861 BS |
116 | int i; |
117 | ||
0d87c100 FJ |
118 | pfb->num_tiles = NV10_PFB_TILE__SIZE; |
119 | ||
87a326a3 FJ |
120 | if (dev_priv->card_type == NV_20) |
121 | drm_mm_init(&pfb->tag_heap, 0, | |
122 | (dev_priv->chipset >= 0x25 ? | |
123 | 64 * 1024 : 32 * 1024)); | |
124 | ||
0d87c100 FJ |
125 | /* Turn all the tiling regions off. */ |
126 | for (i = 0; i < pfb->num_tiles; i++) | |
a5cf68b0 | 127 | pfb->set_tile_region(dev, i); |
6ee73861 BS |
128 | |
129 | return 0; | |
130 | } | |
131 | ||
132 | void | |
133 | nv10_fb_takedown(struct drm_device *dev) | |
134 | { | |
87a326a3 FJ |
135 | struct drm_nouveau_private *dev_priv = dev->dev_private; |
136 | struct nouveau_fb_engine *pfb = &dev_priv->engine.fb; | |
137 | int i; | |
138 | ||
139 | for (i = 0; i < pfb->num_tiles; i++) | |
140 | pfb->free_tile_region(dev, i); | |
141 | ||
142 | if (dev_priv->card_type == NV_20) | |
143 | drm_mm_takedown(&pfb->tag_heap); | |
6ee73861 | 144 | } |