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Rev | Author | Line No. | Line |
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1126 | serge | 1 | /* |
2 | * Copyright 2008 Advanced Micro Devices, Inc. |
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3 | * Copyright 2008 Red Hat Inc. |
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4 | * Copyright 2009 Jerome Glisse. |
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5 | * |
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6 | * Permission is hereby granted, free of charge, to any person obtaining a |
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7 | * copy of this software and associated documentation files (the "Software"), |
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8 | * to deal in the Software without restriction, including without limitation |
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9 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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10 | * and/or sell copies of the Software, and to permit persons to whom the |
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11 | * Software is furnished to do so, subject to the following conditions: |
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12 | * |
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13 | * The above copyright notice and this permission notice shall be included in |
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14 | * all copies or substantial portions of the Software. |
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15 | * |
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16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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19 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR |
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20 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
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21 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
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22 | * OTHER DEALINGS IN THE SOFTWARE. |
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23 | * |
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24 | * Authors: Dave Airlie |
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25 | * Alex Deucher |
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26 | * Jerome Glisse |
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27 | */ |
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28 | #include "drmP.h" |
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29 | #include "drm.h" |
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30 | #include "radeon_drm.h" |
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31 | #include "radeon.h" |
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32 | |||
33 | int radeon_gem_object_init(struct drm_gem_object *obj) |
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34 | { |
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35 | /* we do nothings here */ |
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36 | return 0; |
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37 | } |
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38 | |||
39 | void radeon_gem_object_free(struct drm_gem_object *gobj) |
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40 | { |
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1404 | serge | 41 | struct radeon_bo *robj = gobj->driver_private; |
1126 | serge | 42 | |
43 | gobj->driver_private = NULL; |
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44 | if (robj) { |
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1404 | serge | 45 | radeon_bo_unref(&robj); |
1126 | serge | 46 | } |
47 | } |
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48 | |||
49 | int radeon_gem_object_create(struct radeon_device *rdev, int size, |
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1404 | serge | 50 | int alignment, int initial_domain, |
51 | bool discardable, bool kernel, |
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52 | struct drm_gem_object **obj) |
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1126 | serge | 53 | { |
54 | struct drm_gem_object *gobj; |
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1404 | serge | 55 | struct radeon_bo *robj; |
1126 | serge | 56 | int r; |
57 | |||
58 | *obj = NULL; |
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59 | gobj = drm_gem_object_alloc(rdev->ddev, size); |
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60 | if (!gobj) { |
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61 | return -ENOMEM; |
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62 | } |
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63 | /* At least align on page size */ |
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64 | if (alignment < PAGE_SIZE) { |
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65 | alignment = PAGE_SIZE; |
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66 | } |
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1963 | serge | 67 | r = radeon_bo_create(rdev, gobj, size, alignment, kernel, initial_domain, &robj); |
1126 | serge | 68 | if (r) { |
69 | DRM_ERROR("Failed to allocate GEM object (%d, %d, %u)\n", |
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70 | size, initial_domain, alignment); |
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1404 | serge | 71 | return r; |
1126 | serge | 72 | } |
73 | gobj->driver_private = robj; |
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74 | *obj = gobj; |
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75 | return 0; |
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76 | } |
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77 | |||
78 | int radeon_gem_object_pin(struct drm_gem_object *obj, uint32_t pin_domain, |
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79 | uint64_t *gpu_addr) |
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80 | { |
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1404 | serge | 81 | struct radeon_bo *robj = obj->driver_private; |
82 | int r; |
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1126 | serge | 83 | |
1404 | serge | 84 | r = radeon_bo_reserve(robj, false); |
85 | if (unlikely(r != 0)) |
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86 | return r; |
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87 | r = radeon_bo_pin(robj, pin_domain, gpu_addr); |
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88 | radeon_bo_unreserve(robj); |
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89 | return r; |
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1126 | serge | 90 | } |
91 | |||
92 | void radeon_gem_object_unpin(struct drm_gem_object *obj) |
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93 | { |
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1404 | serge | 94 | struct radeon_bo *robj = obj->driver_private; |
95 | int r; |
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96 | |||
97 | r = radeon_bo_reserve(robj, false); |
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98 | if (likely(r == 0)) { |
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99 | radeon_bo_unpin(robj); |
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100 | radeon_bo_unreserve(robj); |
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101 | } |
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1126 | serge | 102 | } |
103 | |||
104 | int radeon_gem_set_domain(struct drm_gem_object *gobj, |
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105 | uint32_t rdomain, uint32_t wdomain) |
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106 | { |
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1404 | serge | 107 | struct radeon_bo *robj; |
1126 | serge | 108 | uint32_t domain; |
109 | int r; |
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110 | |||
111 | /* FIXME: reeimplement */ |
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112 | robj = gobj->driver_private; |
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113 | /* work out where to validate the buffer to */ |
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114 | domain = wdomain; |
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115 | if (!domain) { |
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116 | domain = rdomain; |
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117 | } |
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118 | if (!domain) { |
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119 | /* Do nothings */ |
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120 | printk(KERN_WARNING "Set domain withou domain !\n"); |
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121 | return 0; |
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122 | } |
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123 | if (domain == RADEON_GEM_DOMAIN_CPU) { |
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124 | /* Asking for cpu access wait for object idle */ |
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1404 | serge | 125 | // r = radeon_bo_wait(robj, NULL, false); |
126 | // if (r) { |
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127 | // printk(KERN_ERR "Failed to wait for object !\n"); |
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128 | // return r; |
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129 | // } |
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1126 | serge | 130 | } |
131 | return 0; |
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132 | } |
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133 | |||
134 | int radeon_gem_init(struct radeon_device *rdev) |
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135 | { |
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136 | INIT_LIST_HEAD(&rdev->gem.objects); |
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137 | return 0; |
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138 | } |
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139 | |||
140 | void radeon_gem_fini(struct radeon_device *rdev) |
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141 | { |
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142 | // radeon_object_force_delete(rdev); |
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143 | } |
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144 | |||
145 | #if 0 |
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146 | /* |
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147 | * GEM ioctls. |
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148 | */ |
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149 | int radeon_gem_info_ioctl(struct drm_device *dev, void *data, |
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150 | struct drm_file *filp) |
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151 | { |
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152 | struct radeon_device *rdev = dev->dev_private; |
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153 | struct drm_radeon_gem_info *args = data; |
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154 | |||
1179 | serge | 155 | args->vram_size = rdev->mc.real_vram_size; |
1963 | serge | 156 | args->vram_visible = rdev->mc.real_vram_size; |
157 | if (rdev->stollen_vga_memory) |
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158 | args->vram_visible -= radeon_bo_size(rdev->stollen_vga_memory); |
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159 | args->vram_visible -= radeon_fbdev_total_size(rdev); |
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160 | args->gart_size = rdev->mc.gtt_size - rdev->cp.ring_size - 4096 - |
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161 | RADEON_IB_POOL_SIZE*64*1024; |
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1126 | serge | 162 | return 0; |
163 | } |
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164 | |||
165 | int radeon_gem_pread_ioctl(struct drm_device *dev, void *data, |
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166 | struct drm_file *filp) |
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167 | { |
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168 | /* TODO: implement */ |
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169 | DRM_ERROR("unimplemented %s\n", __func__); |
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170 | return -ENOSYS; |
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171 | } |
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172 | |||
173 | int radeon_gem_pwrite_ioctl(struct drm_device *dev, void *data, |
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174 | struct drm_file *filp) |
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175 | { |
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176 | /* TODO: implement */ |
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177 | DRM_ERROR("unimplemented %s\n", __func__); |
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178 | return -ENOSYS; |
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179 | } |
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180 | |||
181 | int radeon_gem_create_ioctl(struct drm_device *dev, void *data, |
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182 | struct drm_file *filp) |
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183 | { |
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184 | struct radeon_device *rdev = dev->dev_private; |
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185 | struct drm_radeon_gem_create *args = data; |
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186 | struct drm_gem_object *gobj; |
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187 | uint32_t handle; |
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188 | int r; |
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189 | |||
190 | /* create a gem object to contain this object in */ |
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191 | args->size = roundup(args->size, PAGE_SIZE); |
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192 | r = radeon_gem_object_create(rdev, args->size, args->alignment, |
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193 | args->initial_domain, false, |
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1404 | serge | 194 | false, &gobj); |
1126 | serge | 195 | if (r) { |
196 | return r; |
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197 | } |
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198 | r = drm_gem_handle_create(filp, gobj, &handle); |
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1963 | serge | 199 | /* drop reference from allocate - handle holds it now */ |
200 | drm_gem_object_unreference_unlocked(gobj); |
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1126 | serge | 201 | if (r) { |
202 | return r; |
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203 | } |
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204 | args->handle = handle; |
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205 | return 0; |
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206 | } |
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207 | |||
208 | int radeon_gem_set_domain_ioctl(struct drm_device *dev, void *data, |
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209 | struct drm_file *filp) |
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210 | { |
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211 | /* transition the BO to a domain - |
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212 | * just validate the BO into a certain domain */ |
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213 | struct drm_radeon_gem_set_domain *args = data; |
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214 | struct drm_gem_object *gobj; |
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1404 | serge | 215 | struct radeon_bo *robj; |
1126 | serge | 216 | int r; |
217 | |||
218 | /* for now if someone requests domain CPU - |
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219 | * just make sure the buffer is finished with */ |
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220 | |||
221 | /* just do a BO wait for now */ |
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222 | gobj = drm_gem_object_lookup(dev, filp, args->handle); |
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223 | if (gobj == NULL) { |
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1963 | serge | 224 | return -ENOENT; |
1126 | serge | 225 | } |
226 | robj = gobj->driver_private; |
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227 | |||
228 | r = radeon_gem_set_domain(gobj, args->read_domains, args->write_domain); |
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229 | |||
1963 | serge | 230 | drm_gem_object_unreference_unlocked(gobj); |
1126 | serge | 231 | return r; |
232 | } |
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233 | |||
234 | int radeon_gem_mmap_ioctl(struct drm_device *dev, void *data, |
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235 | struct drm_file *filp) |
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236 | { |
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237 | struct drm_radeon_gem_mmap *args = data; |
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238 | struct drm_gem_object *gobj; |
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1404 | serge | 239 | struct radeon_bo *robj; |
1126 | serge | 240 | |
241 | gobj = drm_gem_object_lookup(dev, filp, args->handle); |
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242 | if (gobj == NULL) { |
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1963 | serge | 243 | return -ENOENT; |
1126 | serge | 244 | } |
245 | robj = gobj->driver_private; |
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1404 | serge | 246 | args->addr_ptr = radeon_bo_mmap_offset(robj); |
1963 | serge | 247 | drm_gem_object_unreference_unlocked(gobj); |
1404 | serge | 248 | return 0; |
1126 | serge | 249 | } |
250 | |||
251 | int radeon_gem_busy_ioctl(struct drm_device *dev, void *data, |
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252 | struct drm_file *filp) |
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253 | { |
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1404 | serge | 254 | struct drm_radeon_gem_busy *args = data; |
255 | struct drm_gem_object *gobj; |
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256 | struct radeon_bo *robj; |
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257 | int r; |
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258 | uint32_t cur_placement = 0; |
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259 | |||
260 | gobj = drm_gem_object_lookup(dev, filp, args->handle); |
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261 | if (gobj == NULL) { |
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1963 | serge | 262 | return -ENOENT; |
1404 | serge | 263 | } |
264 | robj = gobj->driver_private; |
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265 | r = radeon_bo_wait(robj, &cur_placement, true); |
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266 | switch (cur_placement) { |
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267 | case TTM_PL_VRAM: |
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268 | args->domain = RADEON_GEM_DOMAIN_VRAM; |
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269 | break; |
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270 | case TTM_PL_TT: |
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271 | args->domain = RADEON_GEM_DOMAIN_GTT; |
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272 | break; |
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273 | case TTM_PL_SYSTEM: |
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274 | args->domain = RADEON_GEM_DOMAIN_CPU; |
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275 | default: |
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276 | break; |
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277 | } |
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1963 | serge | 278 | drm_gem_object_unreference_unlocked(gobj); |
1404 | serge | 279 | return r; |
1126 | serge | 280 | } |
281 | |||
282 | int radeon_gem_wait_idle_ioctl(struct drm_device *dev, void *data, |
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283 | struct drm_file *filp) |
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284 | { |
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285 | struct drm_radeon_gem_wait_idle *args = data; |
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286 | struct drm_gem_object *gobj; |
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1404 | serge | 287 | struct radeon_bo *robj; |
1126 | serge | 288 | int r; |
289 | |||
290 | gobj = drm_gem_object_lookup(dev, filp, args->handle); |
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291 | if (gobj == NULL) { |
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1963 | serge | 292 | return -ENOENT; |
1126 | serge | 293 | } |
294 | robj = gobj->driver_private; |
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1404 | serge | 295 | r = radeon_bo_wait(robj, NULL, false); |
296 | /* callback hw specific functions if any */ |
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297 | if (robj->rdev->asic->ioctl_wait_idle) |
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298 | robj->rdev->asic->ioctl_wait_idle(robj->rdev, robj); |
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1963 | serge | 299 | drm_gem_object_unreference_unlocked(gobj); |
1126 | serge | 300 | return r; |
301 | } |
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302 | |||
1404 | serge | 303 | int radeon_gem_set_tiling_ioctl(struct drm_device *dev, void *data, |
304 | struct drm_file *filp) |
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305 | { |
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306 | struct drm_radeon_gem_set_tiling *args = data; |
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307 | struct drm_gem_object *gobj; |
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308 | struct radeon_bo *robj; |
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309 | int r = 0; |
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310 | |||
311 | DRM_DEBUG("%d \n", args->handle); |
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312 | gobj = drm_gem_object_lookup(dev, filp, args->handle); |
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313 | if (gobj == NULL) |
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1963 | serge | 314 | return -ENOENT; |
1404 | serge | 315 | robj = gobj->driver_private; |
316 | r = radeon_bo_set_tiling_flags(robj, args->tiling_flags, args->pitch); |
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1963 | serge | 317 | drm_gem_object_unreference_unlocked(gobj); |
1404 | serge | 318 | return r; |
319 | } |
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320 | |||
1126 | serge | 321 | #endif> |