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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 | |||
34 | #define TTM_PL_SYSTEM 0 |
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35 | #define TTM_PL_TT 1 |
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36 | #define TTM_PL_VRAM 2 |
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37 | #define TTM_PL_PRIV0 3 |
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38 | #define TTM_PL_PRIV1 4 |
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39 | #define TTM_PL_PRIV2 5 |
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40 | #define TTM_PL_PRIV3 6 |
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41 | #define TTM_PL_PRIV4 7 |
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42 | #define TTM_PL_PRIV5 8 |
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43 | #define TTM_PL_SWAPPED 15 |
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44 | |||
45 | #define TTM_PL_FLAG_SYSTEM (1 << TTM_PL_SYSTEM) |
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46 | #define TTM_PL_FLAG_TT (1 << TTM_PL_TT) |
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47 | #define TTM_PL_FLAG_VRAM (1 << TTM_PL_VRAM) |
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48 | #define TTM_PL_FLAG_PRIV0 (1 << TTM_PL_PRIV0) |
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49 | #define TTM_PL_FLAG_PRIV1 (1 << TTM_PL_PRIV1) |
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50 | #define TTM_PL_FLAG_PRIV2 (1 << TTM_PL_PRIV2) |
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51 | #define TTM_PL_FLAG_PRIV3 (1 << TTM_PL_PRIV3) |
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52 | #define TTM_PL_FLAG_PRIV4 (1 << TTM_PL_PRIV4) |
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53 | #define TTM_PL_FLAG_PRIV5 (1 << TTM_PL_PRIV5) |
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54 | #define TTM_PL_FLAG_SWAPPED (1 << TTM_PL_SWAPPED) |
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55 | #define TTM_PL_MASK_MEM 0x0000FFFF |
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56 | |||
57 | |||
58 | int radeon_gem_object_init(struct drm_gem_object *obj) |
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59 | { |
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60 | /* we do nothings here */ |
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61 | return 0; |
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62 | } |
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63 | |||
64 | void radeon_gem_object_free(struct drm_gem_object *gobj) |
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65 | { |
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66 | struct radeon_object *robj = gobj->driver_private; |
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67 | |||
68 | gobj->driver_private = NULL; |
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69 | if (robj) { |
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70 | // radeon_object_unref(&robj); |
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71 | } |
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72 | } |
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73 | |||
74 | int radeon_gem_object_create(struct radeon_device *rdev, int size, |
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75 | int alignment, int initial_domain, |
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76 | bool discardable, bool kernel, |
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77 | bool interruptible, |
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78 | struct drm_gem_object **obj) |
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79 | { |
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80 | struct drm_gem_object *gobj; |
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81 | struct radeon_object *robj; |
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82 | int r; |
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83 | |||
84 | *obj = NULL; |
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85 | gobj = drm_gem_object_alloc(rdev->ddev, size); |
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86 | if (!gobj) { |
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87 | return -ENOMEM; |
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88 | } |
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89 | /* At least align on page size */ |
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90 | if (alignment < PAGE_SIZE) { |
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91 | alignment = PAGE_SIZE; |
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92 | } |
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93 | r = radeon_object_create(rdev, gobj, size, kernel, initial_domain, |
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94 | interruptible, &robj); |
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95 | if (r) { |
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96 | DRM_ERROR("Failed to allocate GEM object (%d, %d, %u)\n", |
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97 | size, initial_domain, alignment); |
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98 | // mutex_lock(&rdev->ddev->struct_mutex); |
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99 | // drm_gem_object_unreference(gobj); |
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100 | // mutex_unlock(&rdev->ddev->struct_mutex); |
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101 | return r; |
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102 | } |
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103 | gobj->driver_private = robj; |
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104 | *obj = gobj; |
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105 | return 0; |
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106 | } |
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107 | |||
108 | int radeon_gem_object_pin(struct drm_gem_object *obj, uint32_t pin_domain, |
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109 | uint64_t *gpu_addr) |
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110 | { |
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111 | struct radeon_object *robj = obj->driver_private; |
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112 | uint32_t flags; |
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113 | |||
114 | switch (pin_domain) { |
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115 | case RADEON_GEM_DOMAIN_VRAM: |
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116 | flags = TTM_PL_FLAG_VRAM; |
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117 | break; |
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118 | case RADEON_GEM_DOMAIN_GTT: |
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119 | flags = TTM_PL_FLAG_TT; |
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120 | break; |
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121 | default: |
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122 | flags = TTM_PL_FLAG_SYSTEM; |
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123 | break; |
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124 | } |
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125 | return radeon_object_pin(robj, flags, gpu_addr); |
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126 | } |
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127 | |||
128 | void radeon_gem_object_unpin(struct drm_gem_object *obj) |
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129 | { |
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130 | struct radeon_object *robj = obj->driver_private; |
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131 | // radeon_object_unpin(robj); |
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132 | } |
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133 | |||
134 | int radeon_gem_set_domain(struct drm_gem_object *gobj, |
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135 | uint32_t rdomain, uint32_t wdomain) |
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136 | { |
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137 | struct radeon_object *robj; |
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138 | uint32_t domain; |
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139 | int r; |
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140 | |||
141 | /* FIXME: reeimplement */ |
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142 | robj = gobj->driver_private; |
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143 | /* work out where to validate the buffer to */ |
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144 | domain = wdomain; |
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145 | if (!domain) { |
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146 | domain = rdomain; |
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147 | } |
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148 | if (!domain) { |
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149 | /* Do nothings */ |
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150 | printk(KERN_WARNING "Set domain withou domain !\n"); |
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151 | return 0; |
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152 | } |
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153 | if (domain == RADEON_GEM_DOMAIN_CPU) { |
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154 | /* Asking for cpu access wait for object idle */ |
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155 | // r = radeon_object_wait(robj); |
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156 | if (r) { |
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157 | printk(KERN_ERR "Failed to wait for object !\n"); |
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158 | return r; |
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159 | } |
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160 | } |
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161 | return 0; |
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162 | } |
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163 | |||
164 | int radeon_gem_init(struct radeon_device *rdev) |
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165 | { |
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166 | INIT_LIST_HEAD(&rdev->gem.objects); |
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167 | return 0; |
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168 | } |
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169 | |||
170 | void radeon_gem_fini(struct radeon_device *rdev) |
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171 | { |
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172 | // radeon_object_force_delete(rdev); |
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173 | } |
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174 | |||
175 | #if 0 |
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176 | /* |
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177 | * GEM ioctls. |
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178 | */ |
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179 | int radeon_gem_info_ioctl(struct drm_device *dev, void *data, |
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180 | struct drm_file *filp) |
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181 | { |
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182 | struct radeon_device *rdev = dev->dev_private; |
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183 | struct drm_radeon_gem_info *args = data; |
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184 | |||
185 | args->vram_size = rdev->mc.vram_size; |
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186 | /* FIXME: report somethings that makes sense */ |
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187 | args->vram_visible = rdev->mc.vram_size - (4 * 1024 * 1024); |
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188 | args->gart_size = rdev->mc.gtt_size; |
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189 | return 0; |
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190 | } |
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191 | |||
192 | int radeon_gem_pread_ioctl(struct drm_device *dev, void *data, |
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193 | struct drm_file *filp) |
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194 | { |
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195 | /* TODO: implement */ |
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196 | DRM_ERROR("unimplemented %s\n", __func__); |
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197 | return -ENOSYS; |
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198 | } |
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199 | |||
200 | int radeon_gem_pwrite_ioctl(struct drm_device *dev, void *data, |
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201 | struct drm_file *filp) |
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202 | { |
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203 | /* TODO: implement */ |
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204 | DRM_ERROR("unimplemented %s\n", __func__); |
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205 | return -ENOSYS; |
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206 | } |
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207 | |||
208 | int radeon_gem_create_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 | struct radeon_device *rdev = dev->dev_private; |
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212 | struct drm_radeon_gem_create *args = data; |
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213 | struct drm_gem_object *gobj; |
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214 | uint32_t handle; |
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215 | int r; |
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216 | |||
217 | /* create a gem object to contain this object in */ |
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218 | args->size = roundup(args->size, PAGE_SIZE); |
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219 | r = radeon_gem_object_create(rdev, args->size, args->alignment, |
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220 | args->initial_domain, false, |
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221 | false, true, &gobj); |
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222 | if (r) { |
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223 | return r; |
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224 | } |
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225 | r = drm_gem_handle_create(filp, gobj, &handle); |
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226 | if (r) { |
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227 | mutex_lock(&dev->struct_mutex); |
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228 | drm_gem_object_unreference(gobj); |
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229 | mutex_unlock(&dev->struct_mutex); |
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230 | return r; |
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231 | } |
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232 | mutex_lock(&dev->struct_mutex); |
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233 | drm_gem_object_handle_unreference(gobj); |
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234 | mutex_unlock(&dev->struct_mutex); |
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235 | args->handle = handle; |
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236 | return 0; |
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237 | } |
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238 | |||
239 | int radeon_gem_set_domain_ioctl(struct drm_device *dev, void *data, |
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240 | struct drm_file *filp) |
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241 | { |
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242 | /* transition the BO to a domain - |
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243 | * just validate the BO into a certain domain */ |
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244 | struct drm_radeon_gem_set_domain *args = data; |
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245 | struct drm_gem_object *gobj; |
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246 | struct radeon_object *robj; |
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247 | int r; |
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248 | |||
249 | /* for now if someone requests domain CPU - |
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250 | * just make sure the buffer is finished with */ |
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251 | |||
252 | /* just do a BO wait for now */ |
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253 | gobj = drm_gem_object_lookup(dev, filp, args->handle); |
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254 | if (gobj == NULL) { |
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255 | return -EINVAL; |
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256 | } |
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257 | robj = gobj->driver_private; |
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258 | |||
259 | r = radeon_gem_set_domain(gobj, args->read_domains, args->write_domain); |
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260 | |||
261 | mutex_lock(&dev->struct_mutex); |
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262 | drm_gem_object_unreference(gobj); |
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263 | mutex_unlock(&dev->struct_mutex); |
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264 | return r; |
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265 | } |
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266 | |||
267 | int radeon_gem_mmap_ioctl(struct drm_device *dev, void *data, |
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268 | struct drm_file *filp) |
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269 | { |
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270 | struct drm_radeon_gem_mmap *args = data; |
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271 | struct drm_gem_object *gobj; |
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272 | struct radeon_object *robj; |
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273 | int r; |
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274 | |||
275 | gobj = drm_gem_object_lookup(dev, filp, args->handle); |
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276 | if (gobj == NULL) { |
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277 | return -EINVAL; |
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278 | } |
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279 | robj = gobj->driver_private; |
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280 | r = radeon_object_mmap(robj, &args->addr_ptr); |
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281 | mutex_lock(&dev->struct_mutex); |
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282 | drm_gem_object_unreference(gobj); |
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283 | mutex_unlock(&dev->struct_mutex); |
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284 | return r; |
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285 | } |
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286 | |||
287 | int radeon_gem_busy_ioctl(struct drm_device *dev, void *data, |
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288 | struct drm_file *filp) |
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289 | { |
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290 | /* FIXME: implement */ |
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291 | return 0; |
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292 | } |
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293 | |||
294 | int radeon_gem_wait_idle_ioctl(struct drm_device *dev, void *data, |
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295 | struct drm_file *filp) |
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296 | { |
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297 | struct drm_radeon_gem_wait_idle *args = data; |
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298 | struct drm_gem_object *gobj; |
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299 | struct radeon_object *robj; |
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300 | int r; |
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301 | |||
302 | gobj = drm_gem_object_lookup(dev, filp, args->handle); |
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303 | if (gobj == NULL) { |
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304 | return -EINVAL; |
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305 | } |
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306 | robj = gobj->driver_private; |
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307 | r = radeon_object_wait(robj); |
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308 | mutex_lock(&dev->struct_mutex); |
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309 | drm_gem_object_unreference(gobj); |
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310 | mutex_unlock(&dev->struct_mutex); |
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311 | return r; |
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312 | } |
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313 | |||
314 | #endif>><>><>><>><>><>><>><>><>><>><> |