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Rev | Author | Line No. | Line |
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1123 | serge | 1 | /* |
2 | * Copyright (c) 2006-2008 Intel Corporation |
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3 | * Copyright (c) 2007 Dave Airlie |
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4 | * Copyright (c) 2008 Red Hat Inc. |
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5 | * |
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6 | * DRM core CRTC related functions |
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7 | * |
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8 | * Permission to use, copy, modify, distribute, and sell this software and its |
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9 | * documentation for any purpose is hereby granted without fee, provided that |
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10 | * the above copyright notice appear in all copies and that both that copyright |
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11 | * notice and this permission notice appear in supporting documentation, and |
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12 | * that the name of the copyright holders not be used in advertising or |
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13 | * publicity pertaining to distribution of the software without specific, |
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14 | * written prior permission. The copyright holders make no representations |
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15 | * about the suitability of this software for any purpose. It is provided "as |
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16 | * is" without express or implied warranty. |
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17 | * |
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18 | * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, |
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19 | * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO |
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20 | * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR |
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21 | * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, |
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22 | * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
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23 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE |
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24 | * OF THIS SOFTWARE. |
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25 | * |
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26 | * Authors: |
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27 | * Keith Packard |
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28 | * Eric Anholt |
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29 | * Dave Airlie |
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30 | * Jesse Barnes |
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31 | */ |
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1179 | serge | 32 | #include |
1963 | serge | 33 | #include |
3031 | serge | 34 | #include |
35 | #include |
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36 | #include |
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37 | #include |
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38 | #include |
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1123 | serge | 39 | |
3480 | Serge | 40 | /** |
41 | * drm_modeset_lock_all - take all modeset locks |
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42 | * @dev: drm device |
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43 | * |
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44 | * This function takes all modeset locks, suitable where a more fine-grained |
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45 | * scheme isn't (yet) implemented. |
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46 | */ |
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47 | void drm_modeset_lock_all(struct drm_device *dev) |
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48 | { |
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49 | struct drm_crtc *crtc; |
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50 | |||
51 | mutex_lock(&dev->mode_config.mutex); |
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52 | |||
53 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) |
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54 | mutex_lock_nest_lock(&crtc->mutex, &dev->mode_config.mutex); |
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55 | } |
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56 | EXPORT_SYMBOL(drm_modeset_lock_all); |
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57 | |||
58 | /** |
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59 | * drm_modeset_unlock_all - drop all modeset locks |
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60 | * @dev: device |
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61 | */ |
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62 | void drm_modeset_unlock_all(struct drm_device *dev) |
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63 | { |
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64 | struct drm_crtc *crtc; |
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65 | |||
66 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) |
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67 | mutex_unlock(&crtc->mutex); |
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68 | |||
69 | mutex_unlock(&dev->mode_config.mutex); |
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70 | } |
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71 | EXPORT_SYMBOL(drm_modeset_unlock_all); |
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72 | |||
73 | /** |
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74 | * drm_warn_on_modeset_not_all_locked - check that all modeset locks are locked |
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75 | * @dev: device |
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76 | */ |
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77 | void drm_warn_on_modeset_not_all_locked(struct drm_device *dev) |
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78 | { |
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79 | struct drm_crtc *crtc; |
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80 | |||
81 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) |
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82 | WARN_ON(!mutex_is_locked(&crtc->mutex)); |
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83 | |||
84 | WARN_ON(!mutex_is_locked(&dev->mode_config.mutex)); |
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85 | } |
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86 | EXPORT_SYMBOL(drm_warn_on_modeset_not_all_locked); |
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87 | |||
1123 | serge | 88 | /* Avoid boilerplate. I'm tired of typing. */ |
89 | #define DRM_ENUM_NAME_FN(fnname, list) \ |
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90 | char *fnname(int val) \ |
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91 | { \ |
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92 | int i; \ |
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93 | for (i = 0; i < ARRAY_SIZE(list); i++) { \ |
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94 | if (list[i].type == val) \ |
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95 | return list[i].name; \ |
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96 | } \ |
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97 | return "(unknown)"; \ |
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98 | } |
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99 | |||
100 | /* |
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101 | * Global properties |
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102 | */ |
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103 | static struct drm_prop_enum_list drm_dpms_enum_list[] = |
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104 | { { DRM_MODE_DPMS_ON, "On" }, |
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105 | { DRM_MODE_DPMS_STANDBY, "Standby" }, |
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106 | { DRM_MODE_DPMS_SUSPEND, "Suspend" }, |
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107 | { DRM_MODE_DPMS_OFF, "Off" } |
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108 | }; |
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109 | |||
110 | DRM_ENUM_NAME_FN(drm_get_dpms_name, drm_dpms_enum_list) |
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111 | |||
112 | /* |
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113 | * Optional properties |
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114 | */ |
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115 | static struct drm_prop_enum_list drm_scaling_mode_enum_list[] = |
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116 | { |
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1179 | serge | 117 | { DRM_MODE_SCALE_NONE, "None" }, |
118 | { DRM_MODE_SCALE_FULLSCREEN, "Full" }, |
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119 | { DRM_MODE_SCALE_CENTER, "Center" }, |
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120 | { DRM_MODE_SCALE_ASPECT, "Full aspect" }, |
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1123 | serge | 121 | }; |
122 | |||
123 | static struct drm_prop_enum_list drm_dithering_mode_enum_list[] = |
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124 | { |
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125 | { DRM_MODE_DITHERING_OFF, "Off" }, |
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126 | { DRM_MODE_DITHERING_ON, "On" }, |
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1963 | serge | 127 | { DRM_MODE_DITHERING_AUTO, "Automatic" }, |
1123 | serge | 128 | }; |
129 | |||
130 | /* |
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131 | * Non-global properties, but "required" for certain connectors. |
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132 | */ |
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133 | static struct drm_prop_enum_list drm_dvi_i_select_enum_list[] = |
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134 | { |
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135 | { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */ |
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136 | { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */ |
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137 | { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */ |
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138 | }; |
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139 | |||
140 | DRM_ENUM_NAME_FN(drm_get_dvi_i_select_name, drm_dvi_i_select_enum_list) |
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141 | |||
142 | static struct drm_prop_enum_list drm_dvi_i_subconnector_enum_list[] = |
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143 | { |
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144 | { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */ |
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145 | { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */ |
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146 | { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */ |
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147 | }; |
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148 | |||
149 | DRM_ENUM_NAME_FN(drm_get_dvi_i_subconnector_name, |
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150 | drm_dvi_i_subconnector_enum_list) |
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151 | |||
152 | static struct drm_prop_enum_list drm_tv_select_enum_list[] = |
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153 | { |
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154 | { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */ |
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155 | { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */ |
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156 | { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */ |
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157 | { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */ |
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1179 | serge | 158 | { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */ |
1123 | serge | 159 | }; |
160 | |||
161 | DRM_ENUM_NAME_FN(drm_get_tv_select_name, drm_tv_select_enum_list) |
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162 | |||
163 | static struct drm_prop_enum_list drm_tv_subconnector_enum_list[] = |
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164 | { |
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165 | { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */ |
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166 | { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */ |
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167 | { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */ |
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168 | { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */ |
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1179 | serge | 169 | { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */ |
1123 | serge | 170 | }; |
171 | |||
172 | DRM_ENUM_NAME_FN(drm_get_tv_subconnector_name, |
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173 | drm_tv_subconnector_enum_list) |
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174 | |||
1321 | serge | 175 | static struct drm_prop_enum_list drm_dirty_info_enum_list[] = { |
176 | { DRM_MODE_DIRTY_OFF, "Off" }, |
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177 | { DRM_MODE_DIRTY_ON, "On" }, |
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178 | { DRM_MODE_DIRTY_ANNOTATE, "Annotate" }, |
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179 | }; |
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180 | |||
181 | DRM_ENUM_NAME_FN(drm_get_dirty_info_name, |
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182 | drm_dirty_info_enum_list) |
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183 | |||
1123 | serge | 184 | struct drm_conn_prop_enum_list { |
185 | int type; |
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186 | char *name; |
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187 | int count; |
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188 | }; |
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189 | |||
190 | /* |
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191 | * Connector and encoder types. |
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192 | */ |
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193 | static struct drm_conn_prop_enum_list drm_connector_enum_list[] = |
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194 | { { DRM_MODE_CONNECTOR_Unknown, "Unknown", 0 }, |
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195 | { DRM_MODE_CONNECTOR_VGA, "VGA", 0 }, |
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196 | { DRM_MODE_CONNECTOR_DVII, "DVI-I", 0 }, |
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197 | { DRM_MODE_CONNECTOR_DVID, "DVI-D", 0 }, |
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198 | { DRM_MODE_CONNECTOR_DVIA, "DVI-A", 0 }, |
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199 | { DRM_MODE_CONNECTOR_Composite, "Composite", 0 }, |
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200 | { DRM_MODE_CONNECTOR_SVIDEO, "SVIDEO", 0 }, |
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201 | { DRM_MODE_CONNECTOR_LVDS, "LVDS", 0 }, |
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202 | { DRM_MODE_CONNECTOR_Component, "Component", 0 }, |
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1963 | serge | 203 | { DRM_MODE_CONNECTOR_9PinDIN, "DIN", 0 }, |
204 | { DRM_MODE_CONNECTOR_DisplayPort, "DP", 0 }, |
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205 | { DRM_MODE_CONNECTOR_HDMIA, "HDMI-A", 0 }, |
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206 | { DRM_MODE_CONNECTOR_HDMIB, "HDMI-B", 0 }, |
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1179 | serge | 207 | { DRM_MODE_CONNECTOR_TV, "TV", 0 }, |
1963 | serge | 208 | { DRM_MODE_CONNECTOR_eDP, "eDP", 0 }, |
3031 | serge | 209 | { DRM_MODE_CONNECTOR_VIRTUAL, "Virtual", 0}, |
1123 | serge | 210 | }; |
211 | |||
212 | static struct drm_prop_enum_list drm_encoder_enum_list[] = |
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213 | { { DRM_MODE_ENCODER_NONE, "None" }, |
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214 | { DRM_MODE_ENCODER_DAC, "DAC" }, |
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215 | { DRM_MODE_ENCODER_TMDS, "TMDS" }, |
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216 | { DRM_MODE_ENCODER_LVDS, "LVDS" }, |
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217 | { DRM_MODE_ENCODER_TVDAC, "TV" }, |
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3031 | serge | 218 | { DRM_MODE_ENCODER_VIRTUAL, "Virtual" }, |
1123 | serge | 219 | }; |
220 | |||
221 | char *drm_get_encoder_name(struct drm_encoder *encoder) |
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222 | { |
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223 | static char buf[32]; |
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224 | |||
225 | snprintf(buf, 32, "%s-%d", |
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226 | drm_encoder_enum_list[encoder->encoder_type].name, |
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227 | encoder->base.id); |
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228 | return buf; |
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229 | } |
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1179 | serge | 230 | EXPORT_SYMBOL(drm_get_encoder_name); |
1123 | serge | 231 | |
232 | char *drm_get_connector_name(struct drm_connector *connector) |
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233 | { |
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234 | static char buf[32]; |
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235 | |||
236 | snprintf(buf, 32, "%s-%d", |
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237 | drm_connector_enum_list[connector->connector_type].name, |
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238 | connector->connector_type_id); |
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239 | return buf; |
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240 | } |
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241 | EXPORT_SYMBOL(drm_get_connector_name); |
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242 | |||
243 | char *drm_get_connector_status_name(enum drm_connector_status status) |
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244 | { |
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245 | if (status == connector_status_connected) |
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246 | return "connected"; |
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247 | else if (status == connector_status_disconnected) |
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248 | return "disconnected"; |
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249 | else |
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250 | return "unknown"; |
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251 | } |
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252 | |||
253 | /** |
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3480 | Serge | 254 | * drm_mode_object_get - allocate a new modeset identifier |
1123 | serge | 255 | * @dev: DRM device |
3480 | Serge | 256 | * @obj: object pointer, used to generate unique ID |
257 | * @obj_type: object type |
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1123 | serge | 258 | * |
259 | * Create a unique identifier based on @ptr in @dev's identifier space. Used |
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260 | * for tracking modes, CRTCs and connectors. |
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261 | * |
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262 | * RETURNS: |
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263 | * New unique (relative to other objects in @dev) integer identifier for the |
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264 | * object. |
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265 | */ |
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266 | static int drm_mode_object_get(struct drm_device *dev, |
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267 | struct drm_mode_object *obj, uint32_t obj_type) |
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268 | { |
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269 | int ret; |
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270 | |||
3480 | Serge | 271 | mutex_lock(&dev->mode_config.idr_mutex); |
272 | ret = idr_alloc(&dev->mode_config.crtc_idr, obj, 1, 0, GFP_KERNEL); |
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273 | if (ret >= 0) { |
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274 | /* |
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275 | * Set up the object linking under the protection of the idr |
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276 | * lock so that other users can't see inconsistent state. |
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277 | */ |
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278 | obj->id = ret; |
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279 | obj->type = obj_type; |
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1123 | serge | 280 | } |
1179 | serge | 281 | mutex_unlock(&dev->mode_config.idr_mutex); |
1123 | serge | 282 | |
3480 | Serge | 283 | return ret < 0 ? ret : 0; |
1123 | serge | 284 | } |
285 | |||
286 | /** |
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3480 | Serge | 287 | * drm_mode_object_put - free a modeset identifer |
1123 | serge | 288 | * @dev: DRM device |
3480 | Serge | 289 | * @object: object to free |
1123 | serge | 290 | * |
291 | * Free @id from @dev's unique identifier pool. |
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292 | */ |
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293 | static void drm_mode_object_put(struct drm_device *dev, |
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294 | struct drm_mode_object *object) |
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295 | { |
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1179 | serge | 296 | mutex_lock(&dev->mode_config.idr_mutex); |
1123 | serge | 297 | idr_remove(&dev->mode_config.crtc_idr, object->id); |
1179 | serge | 298 | mutex_unlock(&dev->mode_config.idr_mutex); |
1123 | serge | 299 | } |
300 | |||
3480 | Serge | 301 | /** |
302 | * drm_mode_object_find - look up a drm object with static lifetime |
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303 | * @dev: drm device |
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304 | * @id: id of the mode object |
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305 | * @type: type of the mode object |
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306 | * |
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307 | * Note that framebuffers cannot be looked up with this functions - since those |
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308 | * are reference counted, they need special treatment. |
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309 | */ |
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1321 | serge | 310 | struct drm_mode_object *drm_mode_object_find(struct drm_device *dev, |
311 | uint32_t id, uint32_t type) |
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1123 | serge | 312 | { |
313 | struct drm_mode_object *obj = NULL; |
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314 | |||
3480 | Serge | 315 | /* Framebuffers are reference counted and need their own lookup |
316 | * function.*/ |
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317 | WARN_ON(type == DRM_MODE_OBJECT_FB); |
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318 | |||
1179 | serge | 319 | mutex_lock(&dev->mode_config.idr_mutex); |
1123 | serge | 320 | obj = idr_find(&dev->mode_config.crtc_idr, id); |
321 | if (!obj || (obj->type != type) || (obj->id != id)) |
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322 | obj = NULL; |
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1179 | serge | 323 | mutex_unlock(&dev->mode_config.idr_mutex); |
1123 | serge | 324 | |
325 | return obj; |
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326 | } |
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327 | EXPORT_SYMBOL(drm_mode_object_find); |
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328 | |||
329 | /** |
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330 | * drm_framebuffer_init - initialize a framebuffer |
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331 | * @dev: DRM device |
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3480 | Serge | 332 | * @fb: framebuffer to be initialized |
333 | * @funcs: ... with these functions |
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1123 | serge | 334 | * |
335 | * Allocates an ID for the framebuffer's parent mode object, sets its mode |
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336 | * functions & device file and adds it to the master fd list. |
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337 | * |
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3480 | Serge | 338 | * IMPORTANT: |
339 | * This functions publishes the fb and makes it available for concurrent access |
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340 | * by other users. Which means by this point the fb _must_ be fully set up - |
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341 | * since all the fb attributes are invariant over its lifetime, no further |
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342 | * locking but only correct reference counting is required. |
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343 | * |
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1123 | serge | 344 | * RETURNS: |
1321 | serge | 345 | * Zero on success, error code on failure. |
1123 | serge | 346 | */ |
347 | int drm_framebuffer_init(struct drm_device *dev, struct drm_framebuffer *fb, |
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348 | const struct drm_framebuffer_funcs *funcs) |
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349 | { |
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350 | int ret; |
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1963 | serge | 351 | |
3480 | Serge | 352 | mutex_lock(&dev->mode_config.fb_lock); |
353 | kref_init(&fb->refcount); |
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354 | INIT_LIST_HEAD(&fb->filp_head); |
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355 | fb->dev = dev; |
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356 | fb->funcs = funcs; |
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357 | |||
1123 | serge | 358 | ret = drm_mode_object_get(dev, &fb->base, DRM_MODE_OBJECT_FB); |
3031 | serge | 359 | if (ret) |
3480 | Serge | 360 | goto out; |
1123 | serge | 361 | |
3480 | Serge | 362 | /* Grab the idr reference. */ |
363 | drm_framebuffer_reference(fb); |
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364 | |||
1123 | serge | 365 | dev->mode_config.num_fb++; |
366 | list_add(&fb->head, &dev->mode_config.fb_list); |
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3480 | Serge | 367 | out: |
368 | mutex_unlock(&dev->mode_config.fb_lock); |
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1123 | serge | 369 | |
370 | return 0; |
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371 | } |
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372 | EXPORT_SYMBOL(drm_framebuffer_init); |
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373 | |||
3480 | Serge | 374 | static void drm_framebuffer_free(struct kref *kref) |
375 | { |
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376 | struct drm_framebuffer *fb = |
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377 | container_of(kref, struct drm_framebuffer, refcount); |
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378 | fb->funcs->destroy(fb); |
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379 | } |
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380 | |||
381 | static struct drm_framebuffer *__drm_framebuffer_lookup(struct drm_device *dev, |
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382 | uint32_t id) |
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383 | { |
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384 | struct drm_mode_object *obj = NULL; |
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385 | struct drm_framebuffer *fb; |
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386 | |||
387 | mutex_lock(&dev->mode_config.idr_mutex); |
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388 | obj = idr_find(&dev->mode_config.crtc_idr, id); |
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389 | if (!obj || (obj->type != DRM_MODE_OBJECT_FB) || (obj->id != id)) |
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390 | fb = NULL; |
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391 | else |
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392 | fb = obj_to_fb(obj); |
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393 | mutex_unlock(&dev->mode_config.idr_mutex); |
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394 | |||
395 | return fb; |
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396 | } |
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397 | |||
1123 | serge | 398 | /** |
3480 | Serge | 399 | * drm_framebuffer_lookup - look up a drm framebuffer and grab a reference |
400 | * @dev: drm device |
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401 | * @id: id of the fb object |
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402 | * |
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403 | * If successful, this grabs an additional reference to the framebuffer - |
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404 | * callers need to make sure to eventually unreference the returned framebuffer |
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405 | * again. |
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406 | */ |
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407 | struct drm_framebuffer *drm_framebuffer_lookup(struct drm_device *dev, |
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408 | uint32_t id) |
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409 | { |
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410 | struct drm_framebuffer *fb; |
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411 | |||
412 | mutex_lock(&dev->mode_config.fb_lock); |
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413 | fb = __drm_framebuffer_lookup(dev, id); |
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414 | if (fb) |
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415 | kref_get(&fb->refcount); |
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416 | mutex_unlock(&dev->mode_config.fb_lock); |
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417 | |||
418 | return fb; |
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419 | } |
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420 | EXPORT_SYMBOL(drm_framebuffer_lookup); |
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421 | |||
422 | /** |
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423 | * drm_framebuffer_unreference - unref a framebuffer |
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424 | * @fb: framebuffer to unref |
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425 | * |
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426 | * This functions decrements the fb's refcount and frees it if it drops to zero. |
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427 | */ |
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428 | void drm_framebuffer_unreference(struct drm_framebuffer *fb) |
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429 | { |
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430 | DRM_DEBUG("FB ID: %d\n", fb->base.id); |
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431 | kref_put(&fb->refcount, drm_framebuffer_free); |
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432 | } |
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433 | EXPORT_SYMBOL(drm_framebuffer_unreference); |
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434 | |||
435 | /** |
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436 | * drm_framebuffer_reference - incr the fb refcnt |
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437 | * @fb: framebuffer |
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438 | */ |
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439 | void drm_framebuffer_reference(struct drm_framebuffer *fb) |
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440 | { |
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441 | DRM_DEBUG("FB ID: %d\n", fb->base.id); |
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442 | kref_get(&fb->refcount); |
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443 | } |
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444 | EXPORT_SYMBOL(drm_framebuffer_reference); |
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445 | |||
446 | static void drm_framebuffer_free_bug(struct kref *kref) |
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447 | { |
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448 | BUG(); |
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449 | } |
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450 | |||
451 | static void __drm_framebuffer_unreference(struct drm_framebuffer *fb) |
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452 | { |
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453 | DRM_DEBUG("FB ID: %d\n", fb->base.id); |
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454 | kref_put(&fb->refcount, drm_framebuffer_free_bug); |
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455 | } |
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456 | |||
457 | /* dev->mode_config.fb_lock must be held! */ |
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458 | static void __drm_framebuffer_unregister(struct drm_device *dev, |
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459 | struct drm_framebuffer *fb) |
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460 | { |
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461 | mutex_lock(&dev->mode_config.idr_mutex); |
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462 | idr_remove(&dev->mode_config.crtc_idr, fb->base.id); |
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463 | mutex_unlock(&dev->mode_config.idr_mutex); |
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464 | |||
465 | fb->base.id = 0; |
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466 | |||
467 | __drm_framebuffer_unreference(fb); |
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468 | } |
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469 | |||
470 | /** |
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471 | * drm_framebuffer_unregister_private - unregister a private fb from the lookup idr |
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472 | * @fb: fb to unregister |
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473 | * |
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474 | * Drivers need to call this when cleaning up driver-private framebuffers, e.g. |
||
475 | * those used for fbdev. Note that the caller must hold a reference of it's own, |
||
476 | * i.e. the object may not be destroyed through this call (since it'll lead to a |
||
477 | * locking inversion). |
||
478 | */ |
||
479 | void drm_framebuffer_unregister_private(struct drm_framebuffer *fb) |
||
480 | { |
||
481 | struct drm_device *dev = fb->dev; |
||
482 | |||
483 | mutex_lock(&dev->mode_config.fb_lock); |
||
484 | /* Mark fb as reaped and drop idr ref. */ |
||
485 | __drm_framebuffer_unregister(dev, fb); |
||
486 | mutex_unlock(&dev->mode_config.fb_lock); |
||
487 | } |
||
488 | EXPORT_SYMBOL(drm_framebuffer_unregister_private); |
||
489 | |||
490 | /** |
||
1123 | serge | 491 | * drm_framebuffer_cleanup - remove a framebuffer object |
492 | * @fb: framebuffer to remove |
||
493 | * |
||
3480 | Serge | 494 | * Cleanup references to a user-created framebuffer. This function is intended |
495 | * to be used from the drivers ->destroy callback. |
||
1123 | serge | 496 | * |
3480 | Serge | 497 | * Note that this function does not remove the fb from active usuage - if it is |
498 | * still used anywhere, hilarity can ensue since userspace could call getfb on |
||
499 | * the id and get back -EINVAL. Obviously no concern at driver unload time. |
||
500 | * |
||
501 | * Also, the framebuffer will not be removed from the lookup idr - for |
||
502 | * user-created framebuffers this will happen in in the rmfb ioctl. For |
||
503 | * driver-private objects (e.g. for fbdev) drivers need to explicitly call |
||
504 | * drm_framebuffer_unregister_private. |
||
1123 | serge | 505 | */ |
506 | void drm_framebuffer_cleanup(struct drm_framebuffer *fb) |
||
507 | { |
||
508 | struct drm_device *dev = fb->dev; |
||
3480 | Serge | 509 | |
510 | mutex_lock(&dev->mode_config.fb_lock); |
||
1123 | serge | 511 | list_del(&fb->head); |
512 | dev->mode_config.num_fb--; |
||
3480 | Serge | 513 | mutex_unlock(&dev->mode_config.fb_lock); |
1123 | serge | 514 | } |
515 | EXPORT_SYMBOL(drm_framebuffer_cleanup); |
||
516 | |||
3480 | Serge | 517 | /** |
518 | * drm_framebuffer_remove - remove and unreference a framebuffer object |
||
519 | * @fb: framebuffer to remove |
||
520 | * |
||
521 | * Scans all the CRTCs and planes in @dev's mode_config. If they're |
||
522 | * using @fb, removes it, setting it to NULL. Then drops the reference to the |
||
523 | * passed-in framebuffer. Might take the modeset locks. |
||
524 | * |
||
525 | * Note that this function optimizes the cleanup away if the caller holds the |
||
526 | * last reference to the framebuffer. It is also guaranteed to not take the |
||
527 | * modeset locks in this case. |
||
528 | */ |
||
529 | void drm_framebuffer_remove(struct drm_framebuffer *fb) |
||
530 | { |
||
531 | struct drm_device *dev = fb->dev; |
||
532 | struct drm_crtc *crtc; |
||
533 | struct drm_plane *plane; |
||
534 | struct drm_mode_set set; |
||
535 | int ret; |
||
3031 | serge | 536 | |
3480 | Serge | 537 | WARN_ON(!list_empty(&fb->filp_head)); |
3031 | serge | 538 | |
3480 | Serge | 539 | /* |
540 | * drm ABI mandates that we remove any deleted framebuffers from active |
||
541 | * useage. But since most sane clients only remove framebuffers they no |
||
542 | * longer need, try to optimize this away. |
||
543 | * |
||
544 | * Since we're holding a reference ourselves, observing a refcount of 1 |
||
545 | * means that we're the last holder and can skip it. Also, the refcount |
||
546 | * can never increase from 1 again, so we don't need any barriers or |
||
547 | * locks. |
||
548 | * |
||
549 | * Note that userspace could try to race with use and instate a new |
||
550 | * usage _after_ we've cleared all current ones. End result will be an |
||
551 | * in-use fb with fb-id == 0. Userspace is allowed to shoot its own foot |
||
552 | * in this manner. |
||
553 | */ |
||
554 | if (atomic_read(&fb->refcount.refcount) > 1) { |
||
555 | drm_modeset_lock_all(dev); |
||
556 | /* remove from any CRTC */ |
||
557 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { |
||
558 | if (crtc->fb == fb) { |
||
559 | /* should turn off the crtc */ |
||
560 | memset(&set, 0, sizeof(struct drm_mode_set)); |
||
561 | set.crtc = crtc; |
||
562 | set.fb = NULL; |
||
563 | ret = drm_mode_set_config_internal(&set); |
||
564 | if (ret) |
||
565 | DRM_ERROR("failed to reset crtc %p when fb was deleted\n", crtc); |
||
566 | } |
||
567 | } |
||
3031 | serge | 568 | |
3480 | Serge | 569 | list_for_each_entry(plane, &dev->mode_config.plane_list, head) { |
570 | if (plane->fb == fb) { |
||
571 | /* should turn off the crtc */ |
||
572 | ret = plane->funcs->disable_plane(plane); |
||
573 | if (ret) |
||
574 | DRM_ERROR("failed to disable plane with busy fb\n"); |
||
575 | /* disconnect the plane from the fb and crtc: */ |
||
576 | __drm_framebuffer_unreference(plane->fb); |
||
577 | plane->fb = NULL; |
||
578 | plane->crtc = NULL; |
||
579 | } |
||
580 | } |
||
581 | drm_modeset_unlock_all(dev); |
||
582 | } |
||
3031 | serge | 583 | |
3480 | Serge | 584 | drm_framebuffer_unreference(fb); |
585 | } |
||
586 | EXPORT_SYMBOL(drm_framebuffer_remove); |
||
587 | |||
1123 | serge | 588 | /** |
589 | * drm_crtc_init - Initialise a new CRTC object |
||
590 | * @dev: DRM device |
||
591 | * @crtc: CRTC object to init |
||
592 | * @funcs: callbacks for the new CRTC |
||
593 | * |
||
594 | * Inits a new object created as base part of an driver crtc object. |
||
3031 | serge | 595 | * |
596 | * RETURNS: |
||
597 | * Zero on success, error code on failure. |
||
1123 | serge | 598 | */ |
3031 | serge | 599 | int drm_crtc_init(struct drm_device *dev, struct drm_crtc *crtc, |
1123 | serge | 600 | const struct drm_crtc_funcs *funcs) |
601 | { |
||
3031 | serge | 602 | int ret; |
603 | |||
1123 | serge | 604 | crtc->dev = dev; |
605 | crtc->funcs = funcs; |
||
3031 | serge | 606 | crtc->invert_dimensions = false; |
1123 | serge | 607 | |
3480 | Serge | 608 | drm_modeset_lock_all(dev); |
609 | mutex_init(&crtc->mutex); |
||
610 | mutex_lock_nest_lock(&crtc->mutex, &dev->mode_config.mutex); |
||
1123 | serge | 611 | |
3031 | serge | 612 | ret = drm_mode_object_get(dev, &crtc->base, DRM_MODE_OBJECT_CRTC); |
613 | if (ret) |
||
614 | goto out; |
||
615 | |||
616 | crtc->base.properties = &crtc->properties; |
||
617 | |||
1123 | serge | 618 | list_add_tail(&crtc->head, &dev->mode_config.crtc_list); |
619 | dev->mode_config.num_crtc++; |
||
3031 | serge | 620 | |
621 | out: |
||
3480 | Serge | 622 | drm_modeset_unlock_all(dev); |
3031 | serge | 623 | |
624 | return ret; |
||
1123 | serge | 625 | } |
626 | EXPORT_SYMBOL(drm_crtc_init); |
||
627 | |||
628 | /** |
||
629 | * drm_crtc_cleanup - Cleans up the core crtc usage. |
||
630 | * @crtc: CRTC to cleanup |
||
631 | * |
||
632 | * Cleanup @crtc. Removes from drm modesetting space |
||
633 | * does NOT free object, caller does that. |
||
634 | */ |
||
635 | void drm_crtc_cleanup(struct drm_crtc *crtc) |
||
636 | { |
||
637 | struct drm_device *dev = crtc->dev; |
||
638 | |||
639 | kfree(crtc->gamma_store); |
||
640 | crtc->gamma_store = NULL; |
||
641 | |||
642 | drm_mode_object_put(dev, &crtc->base); |
||
643 | list_del(&crtc->head); |
||
644 | dev->mode_config.num_crtc--; |
||
645 | } |
||
646 | EXPORT_SYMBOL(drm_crtc_cleanup); |
||
647 | |||
648 | /** |
||
649 | * drm_mode_probed_add - add a mode to a connector's probed mode list |
||
650 | * @connector: connector the new mode |
||
651 | * @mode: mode data |
||
652 | * |
||
653 | * Add @mode to @connector's mode list for later use. |
||
654 | */ |
||
655 | void drm_mode_probed_add(struct drm_connector *connector, |
||
656 | struct drm_display_mode *mode) |
||
657 | { |
||
658 | list_add(&mode->head, &connector->probed_modes); |
||
659 | } |
||
660 | EXPORT_SYMBOL(drm_mode_probed_add); |
||
661 | |||
662 | /** |
||
663 | * drm_mode_remove - remove and free a mode |
||
664 | * @connector: connector list to modify |
||
665 | * @mode: mode to remove |
||
666 | * |
||
667 | * Remove @mode from @connector's mode list, then free it. |
||
668 | */ |
||
669 | void drm_mode_remove(struct drm_connector *connector, |
||
670 | struct drm_display_mode *mode) |
||
671 | { |
||
672 | list_del(&mode->head); |
||
3031 | serge | 673 | drm_mode_destroy(connector->dev, mode); |
1123 | serge | 674 | } |
675 | EXPORT_SYMBOL(drm_mode_remove); |
||
676 | |||
677 | /** |
||
678 | * drm_connector_init - Init a preallocated connector |
||
679 | * @dev: DRM device |
||
680 | * @connector: the connector to init |
||
681 | * @funcs: callbacks for this connector |
||
3480 | Serge | 682 | * @connector_type: user visible type of the connector |
1123 | serge | 683 | * |
684 | * Initialises a preallocated connector. Connectors should be |
||
685 | * subclassed as part of driver connector objects. |
||
3031 | serge | 686 | * |
687 | * RETURNS: |
||
688 | * Zero on success, error code on failure. |
||
1123 | serge | 689 | */ |
3031 | serge | 690 | int drm_connector_init(struct drm_device *dev, |
1123 | serge | 691 | struct drm_connector *connector, |
692 | const struct drm_connector_funcs *funcs, |
||
693 | int connector_type) |
||
694 | { |
||
3031 | serge | 695 | int ret; |
696 | |||
3480 | Serge | 697 | drm_modeset_lock_all(dev); |
1123 | serge | 698 | |
3031 | serge | 699 | ret = drm_mode_object_get(dev, &connector->base, DRM_MODE_OBJECT_CONNECTOR); |
700 | if (ret) |
||
701 | goto out; |
||
702 | |||
703 | connector->base.properties = &connector->properties; |
||
1123 | serge | 704 | connector->dev = dev; |
705 | connector->funcs = funcs; |
||
706 | connector->connector_type = connector_type; |
||
707 | connector->connector_type_id = |
||
708 | ++drm_connector_enum_list[connector_type].count; /* TODO */ |
||
709 | INIT_LIST_HEAD(&connector->user_modes); |
||
710 | INIT_LIST_HEAD(&connector->probed_modes); |
||
711 | INIT_LIST_HEAD(&connector->modes); |
||
712 | connector->edid_blob_ptr = NULL; |
||
3192 | Serge | 713 | connector->status = connector_status_unknown; |
1123 | serge | 714 | |
715 | list_add_tail(&connector->head, &dev->mode_config.connector_list); |
||
716 | dev->mode_config.num_connector++; |
||
717 | |||
3031 | serge | 718 | if (connector_type != DRM_MODE_CONNECTOR_VIRTUAL) |
3192 | Serge | 719 | drm_object_attach_property(&connector->base, |
3031 | serge | 720 | dev->mode_config.edid_property, |
721 | 0); |
||
1123 | serge | 722 | |
3192 | Serge | 723 | drm_object_attach_property(&connector->base, |
1123 | serge | 724 | dev->mode_config.dpms_property, 0); |
725 | |||
3031 | serge | 726 | out: |
3480 | Serge | 727 | drm_modeset_unlock_all(dev); |
3031 | serge | 728 | |
729 | return ret; |
||
1123 | serge | 730 | } |
731 | EXPORT_SYMBOL(drm_connector_init); |
||
732 | |||
733 | /** |
||
734 | * drm_connector_cleanup - cleans up an initialised connector |
||
735 | * @connector: connector to cleanup |
||
736 | * |
||
737 | * Cleans up the connector but doesn't free the object. |
||
738 | */ |
||
739 | void drm_connector_cleanup(struct drm_connector *connector) |
||
740 | { |
||
741 | struct drm_device *dev = connector->dev; |
||
742 | struct drm_display_mode *mode, *t; |
||
743 | |||
744 | list_for_each_entry_safe(mode, t, &connector->probed_modes, head) |
||
745 | drm_mode_remove(connector, mode); |
||
746 | |||
747 | list_for_each_entry_safe(mode, t, &connector->modes, head) |
||
748 | drm_mode_remove(connector, mode); |
||
749 | |||
750 | list_for_each_entry_safe(mode, t, &connector->user_modes, head) |
||
751 | drm_mode_remove(connector, mode); |
||
752 | |||
753 | drm_mode_object_put(dev, &connector->base); |
||
754 | list_del(&connector->head); |
||
2160 | serge | 755 | dev->mode_config.num_connector--; |
1123 | serge | 756 | } |
757 | EXPORT_SYMBOL(drm_connector_cleanup); |
||
758 | |||
3031 | serge | 759 | void drm_connector_unplug_all(struct drm_device *dev) |
760 | { |
||
761 | struct drm_connector *connector; |
||
762 | |||
763 | /* taking the mode config mutex ends up in a clash with sysfs */ |
||
764 | // list_for_each_entry(connector, &dev->mode_config.connector_list, head) |
||
765 | // drm_sysfs_connector_remove(connector); |
||
766 | |||
767 | } |
||
768 | EXPORT_SYMBOL(drm_connector_unplug_all); |
||
769 | |||
770 | int drm_encoder_init(struct drm_device *dev, |
||
1123 | serge | 771 | struct drm_encoder *encoder, |
772 | const struct drm_encoder_funcs *funcs, |
||
773 | int encoder_type) |
||
774 | { |
||
3031 | serge | 775 | int ret; |
776 | |||
3480 | Serge | 777 | drm_modeset_lock_all(dev); |
1123 | serge | 778 | |
3031 | serge | 779 | ret = drm_mode_object_get(dev, &encoder->base, DRM_MODE_OBJECT_ENCODER); |
780 | if (ret) |
||
781 | goto out; |
||
782 | |||
1123 | serge | 783 | encoder->dev = dev; |
784 | encoder->encoder_type = encoder_type; |
||
785 | encoder->funcs = funcs; |
||
786 | |||
787 | list_add_tail(&encoder->head, &dev->mode_config.encoder_list); |
||
788 | dev->mode_config.num_encoder++; |
||
789 | |||
3031 | serge | 790 | out: |
3480 | Serge | 791 | drm_modeset_unlock_all(dev); |
3031 | serge | 792 | |
793 | return ret; |
||
1123 | serge | 794 | } |
795 | EXPORT_SYMBOL(drm_encoder_init); |
||
796 | |||
797 | void drm_encoder_cleanup(struct drm_encoder *encoder) |
||
798 | { |
||
799 | struct drm_device *dev = encoder->dev; |
||
3480 | Serge | 800 | drm_modeset_lock_all(dev); |
1123 | serge | 801 | drm_mode_object_put(dev, &encoder->base); |
802 | list_del(&encoder->head); |
||
2160 | serge | 803 | dev->mode_config.num_encoder--; |
3480 | Serge | 804 | drm_modeset_unlock_all(dev); |
1123 | serge | 805 | } |
806 | EXPORT_SYMBOL(drm_encoder_cleanup); |
||
807 | |||
3031 | serge | 808 | int drm_plane_init(struct drm_device *dev, struct drm_plane *plane, |
809 | unsigned long possible_crtcs, |
||
810 | const struct drm_plane_funcs *funcs, |
||
811 | const uint32_t *formats, uint32_t format_count, |
||
812 | bool priv) |
||
813 | { |
||
814 | int ret; |
||
815 | |||
3480 | Serge | 816 | drm_modeset_lock_all(dev); |
3031 | serge | 817 | |
818 | ret = drm_mode_object_get(dev, &plane->base, DRM_MODE_OBJECT_PLANE); |
||
819 | if (ret) |
||
820 | goto out; |
||
821 | |||
822 | plane->base.properties = &plane->properties; |
||
823 | plane->dev = dev; |
||
824 | plane->funcs = funcs; |
||
825 | plane->format_types = kmalloc(sizeof(uint32_t) * format_count, |
||
826 | GFP_KERNEL); |
||
827 | if (!plane->format_types) { |
||
828 | DRM_DEBUG_KMS("out of memory when allocating plane\n"); |
||
829 | drm_mode_object_put(dev, &plane->base); |
||
830 | ret = -ENOMEM; |
||
831 | goto out; |
||
832 | } |
||
833 | |||
834 | memcpy(plane->format_types, formats, format_count * sizeof(uint32_t)); |
||
835 | plane->format_count = format_count; |
||
836 | plane->possible_crtcs = possible_crtcs; |
||
837 | |||
838 | /* private planes are not exposed to userspace, but depending on |
||
839 | * display hardware, might be convenient to allow sharing programming |
||
840 | * for the scanout engine with the crtc implementation. |
||
841 | */ |
||
842 | if (!priv) { |
||
843 | list_add_tail(&plane->head, &dev->mode_config.plane_list); |
||
844 | dev->mode_config.num_plane++; |
||
845 | } else { |
||
846 | INIT_LIST_HEAD(&plane->head); |
||
847 | } |
||
848 | |||
849 | out: |
||
3480 | Serge | 850 | drm_modeset_unlock_all(dev); |
3031 | serge | 851 | |
852 | return ret; |
||
853 | } |
||
854 | EXPORT_SYMBOL(drm_plane_init); |
||
855 | |||
856 | void drm_plane_cleanup(struct drm_plane *plane) |
||
857 | { |
||
858 | struct drm_device *dev = plane->dev; |
||
859 | |||
3480 | Serge | 860 | drm_modeset_lock_all(dev); |
3031 | serge | 861 | kfree(plane->format_types); |
862 | drm_mode_object_put(dev, &plane->base); |
||
863 | /* if not added to a list, it must be a private plane */ |
||
864 | if (!list_empty(&plane->head)) { |
||
865 | list_del(&plane->head); |
||
866 | dev->mode_config.num_plane--; |
||
867 | } |
||
3480 | Serge | 868 | drm_modeset_unlock_all(dev); |
3031 | serge | 869 | } |
870 | EXPORT_SYMBOL(drm_plane_cleanup); |
||
871 | |||
1123 | serge | 872 | /** |
873 | * drm_mode_create - create a new display mode |
||
874 | * @dev: DRM device |
||
875 | * |
||
876 | * Create a new drm_display_mode, give it an ID, and return it. |
||
877 | * |
||
878 | * RETURNS: |
||
879 | * Pointer to new mode on success, NULL on error. |
||
880 | */ |
||
881 | struct drm_display_mode *drm_mode_create(struct drm_device *dev) |
||
882 | { |
||
883 | struct drm_display_mode *nmode; |
||
884 | |||
885 | nmode = kzalloc(sizeof(struct drm_display_mode), GFP_KERNEL); |
||
886 | if (!nmode) |
||
887 | return NULL; |
||
888 | |||
3031 | serge | 889 | if (drm_mode_object_get(dev, &nmode->base, DRM_MODE_OBJECT_MODE)) { |
890 | kfree(nmode); |
||
891 | return NULL; |
||
892 | } |
||
893 | |||
1123 | serge | 894 | return nmode; |
895 | } |
||
896 | EXPORT_SYMBOL(drm_mode_create); |
||
897 | |||
898 | /** |
||
899 | * drm_mode_destroy - remove a mode |
||
900 | * @dev: DRM device |
||
901 | * @mode: mode to remove |
||
902 | * |
||
903 | * Free @mode's unique identifier, then free it. |
||
904 | */ |
||
905 | void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode) |
||
906 | { |
||
3031 | serge | 907 | if (!mode) |
908 | return; |
||
909 | |||
1123 | serge | 910 | drm_mode_object_put(dev, &mode->base); |
911 | |||
912 | kfree(mode); |
||
913 | } |
||
914 | EXPORT_SYMBOL(drm_mode_destroy); |
||
915 | |||
916 | static int drm_mode_create_standard_connector_properties(struct drm_device *dev) |
||
917 | { |
||
918 | struct drm_property *edid; |
||
919 | struct drm_property *dpms; |
||
920 | |||
921 | /* |
||
922 | * Standard properties (apply to all connectors) |
||
923 | */ |
||
924 | edid = drm_property_create(dev, DRM_MODE_PROP_BLOB | |
||
925 | DRM_MODE_PROP_IMMUTABLE, |
||
926 | "EDID", 0); |
||
927 | dev->mode_config.edid_property = edid; |
||
928 | |||
3031 | serge | 929 | dpms = drm_property_create_enum(dev, 0, |
930 | "DPMS", drm_dpms_enum_list, |
||
931 | ARRAY_SIZE(drm_dpms_enum_list)); |
||
1123 | serge | 932 | dev->mode_config.dpms_property = dpms; |
933 | |||
934 | return 0; |
||
935 | } |
||
936 | |||
937 | /** |
||
938 | * drm_mode_create_dvi_i_properties - create DVI-I specific connector properties |
||
939 | * @dev: DRM device |
||
940 | * |
||
941 | * Called by a driver the first time a DVI-I connector is made. |
||
942 | */ |
||
943 | int drm_mode_create_dvi_i_properties(struct drm_device *dev) |
||
944 | { |
||
945 | struct drm_property *dvi_i_selector; |
||
946 | struct drm_property *dvi_i_subconnector; |
||
947 | |||
948 | if (dev->mode_config.dvi_i_select_subconnector_property) |
||
949 | return 0; |
||
950 | |||
951 | dvi_i_selector = |
||
3031 | serge | 952 | drm_property_create_enum(dev, 0, |
1123 | serge | 953 | "select subconnector", |
3031 | serge | 954 | drm_dvi_i_select_enum_list, |
1123 | serge | 955 | ARRAY_SIZE(drm_dvi_i_select_enum_list)); |
956 | dev->mode_config.dvi_i_select_subconnector_property = dvi_i_selector; |
||
957 | |||
3031 | serge | 958 | dvi_i_subconnector = drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, |
1123 | serge | 959 | "subconnector", |
3031 | serge | 960 | drm_dvi_i_subconnector_enum_list, |
1123 | serge | 961 | ARRAY_SIZE(drm_dvi_i_subconnector_enum_list)); |
962 | dev->mode_config.dvi_i_subconnector_property = dvi_i_subconnector; |
||
963 | |||
964 | return 0; |
||
965 | } |
||
966 | EXPORT_SYMBOL(drm_mode_create_dvi_i_properties); |
||
967 | |||
968 | /** |
||
969 | * drm_create_tv_properties - create TV specific connector properties |
||
970 | * @dev: DRM device |
||
971 | * @num_modes: number of different TV formats (modes) supported |
||
972 | * @modes: array of pointers to strings containing name of each format |
||
973 | * |
||
974 | * Called by a driver's TV initialization routine, this function creates |
||
975 | * the TV specific connector properties for a given device. Caller is |
||
976 | * responsible for allocating a list of format names and passing them to |
||
977 | * this routine. |
||
978 | */ |
||
979 | int drm_mode_create_tv_properties(struct drm_device *dev, int num_modes, |
||
980 | char *modes[]) |
||
981 | { |
||
982 | struct drm_property *tv_selector; |
||
983 | struct drm_property *tv_subconnector; |
||
984 | int i; |
||
985 | |||
986 | if (dev->mode_config.tv_select_subconnector_property) |
||
987 | return 0; |
||
988 | |||
989 | /* |
||
990 | * Basic connector properties |
||
991 | */ |
||
3031 | serge | 992 | tv_selector = drm_property_create_enum(dev, 0, |
1123 | serge | 993 | "select subconnector", |
3031 | serge | 994 | drm_tv_select_enum_list, |
1123 | serge | 995 | ARRAY_SIZE(drm_tv_select_enum_list)); |
996 | dev->mode_config.tv_select_subconnector_property = tv_selector; |
||
997 | |||
998 | tv_subconnector = |
||
3031 | serge | 999 | drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, |
1000 | "subconnector", |
||
1001 | drm_tv_subconnector_enum_list, |
||
1123 | serge | 1002 | ARRAY_SIZE(drm_tv_subconnector_enum_list)); |
1003 | dev->mode_config.tv_subconnector_property = tv_subconnector; |
||
1004 | |||
1005 | /* |
||
1006 | * Other, TV specific properties: margins & TV modes. |
||
1007 | */ |
||
1008 | dev->mode_config.tv_left_margin_property = |
||
3031 | serge | 1009 | drm_property_create_range(dev, 0, "left margin", 0, 100); |
1123 | serge | 1010 | |
1011 | dev->mode_config.tv_right_margin_property = |
||
3031 | serge | 1012 | drm_property_create_range(dev, 0, "right margin", 0, 100); |
1123 | serge | 1013 | |
1014 | dev->mode_config.tv_top_margin_property = |
||
3031 | serge | 1015 | drm_property_create_range(dev, 0, "top margin", 0, 100); |
1123 | serge | 1016 | |
1017 | dev->mode_config.tv_bottom_margin_property = |
||
3031 | serge | 1018 | drm_property_create_range(dev, 0, "bottom margin", 0, 100); |
1123 | serge | 1019 | |
1020 | dev->mode_config.tv_mode_property = |
||
1021 | drm_property_create(dev, DRM_MODE_PROP_ENUM, |
||
1022 | "mode", num_modes); |
||
1023 | for (i = 0; i < num_modes; i++) |
||
1024 | drm_property_add_enum(dev->mode_config.tv_mode_property, i, |
||
1025 | i, modes[i]); |
||
1026 | |||
1179 | serge | 1027 | dev->mode_config.tv_brightness_property = |
3031 | serge | 1028 | drm_property_create_range(dev, 0, "brightness", 0, 100); |
1179 | serge | 1029 | |
1030 | dev->mode_config.tv_contrast_property = |
||
3031 | serge | 1031 | drm_property_create_range(dev, 0, "contrast", 0, 100); |
1179 | serge | 1032 | |
1033 | dev->mode_config.tv_flicker_reduction_property = |
||
3031 | serge | 1034 | drm_property_create_range(dev, 0, "flicker reduction", 0, 100); |
1179 | serge | 1035 | |
1036 | dev->mode_config.tv_overscan_property = |
||
3031 | serge | 1037 | drm_property_create_range(dev, 0, "overscan", 0, 100); |
1179 | serge | 1038 | |
1039 | dev->mode_config.tv_saturation_property = |
||
3031 | serge | 1040 | drm_property_create_range(dev, 0, "saturation", 0, 100); |
1179 | serge | 1041 | |
1042 | dev->mode_config.tv_hue_property = |
||
3031 | serge | 1043 | drm_property_create_range(dev, 0, "hue", 0, 100); |
1179 | serge | 1044 | |
1123 | serge | 1045 | return 0; |
1046 | } |
||
1047 | EXPORT_SYMBOL(drm_mode_create_tv_properties); |
||
1048 | |||
1049 | /** |
||
1050 | * drm_mode_create_scaling_mode_property - create scaling mode property |
||
1051 | * @dev: DRM device |
||
1052 | * |
||
1053 | * Called by a driver the first time it's needed, must be attached to desired |
||
1054 | * connectors. |
||
1055 | */ |
||
1056 | int drm_mode_create_scaling_mode_property(struct drm_device *dev) |
||
1057 | { |
||
1058 | struct drm_property *scaling_mode; |
||
1059 | |||
1060 | if (dev->mode_config.scaling_mode_property) |
||
1061 | return 0; |
||
1062 | |||
1063 | scaling_mode = |
||
3031 | serge | 1064 | drm_property_create_enum(dev, 0, "scaling mode", |
1065 | drm_scaling_mode_enum_list, |
||
1123 | serge | 1066 | ARRAY_SIZE(drm_scaling_mode_enum_list)); |
1067 | |||
1068 | dev->mode_config.scaling_mode_property = scaling_mode; |
||
1069 | |||
1070 | return 0; |
||
1071 | } |
||
1072 | EXPORT_SYMBOL(drm_mode_create_scaling_mode_property); |
||
1073 | |||
1074 | /** |
||
1075 | * drm_mode_create_dithering_property - create dithering property |
||
1076 | * @dev: DRM device |
||
1077 | * |
||
1078 | * Called by a driver the first time it's needed, must be attached to desired |
||
1079 | * connectors. |
||
1080 | */ |
||
1081 | int drm_mode_create_dithering_property(struct drm_device *dev) |
||
1082 | { |
||
1083 | struct drm_property *dithering_mode; |
||
1084 | |||
1085 | if (dev->mode_config.dithering_mode_property) |
||
1086 | return 0; |
||
1087 | |||
1088 | dithering_mode = |
||
3031 | serge | 1089 | drm_property_create_enum(dev, 0, "dithering", |
1090 | drm_dithering_mode_enum_list, |
||
1123 | serge | 1091 | ARRAY_SIZE(drm_dithering_mode_enum_list)); |
1092 | dev->mode_config.dithering_mode_property = dithering_mode; |
||
1093 | |||
1094 | return 0; |
||
1095 | } |
||
1096 | EXPORT_SYMBOL(drm_mode_create_dithering_property); |
||
1097 | |||
1098 | /** |
||
1321 | serge | 1099 | * drm_mode_create_dirty_property - create dirty property |
1100 | * @dev: DRM device |
||
1101 | * |
||
1102 | * Called by a driver the first time it's needed, must be attached to desired |
||
1103 | * connectors. |
||
1104 | */ |
||
1105 | int drm_mode_create_dirty_info_property(struct drm_device *dev) |
||
1106 | { |
||
1107 | struct drm_property *dirty_info; |
||
1108 | |||
1109 | if (dev->mode_config.dirty_info_property) |
||
1110 | return 0; |
||
1111 | |||
1112 | dirty_info = |
||
3031 | serge | 1113 | drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, |
1321 | serge | 1114 | "dirty", |
3031 | serge | 1115 | drm_dirty_info_enum_list, |
1321 | serge | 1116 | ARRAY_SIZE(drm_dirty_info_enum_list)); |
1117 | dev->mode_config.dirty_info_property = dirty_info; |
||
1118 | |||
1119 | return 0; |
||
1120 | } |
||
1121 | EXPORT_SYMBOL(drm_mode_create_dirty_info_property); |
||
1122 | |||
1123 | /** |
||
1123 | serge | 1124 | * drm_mode_config_init - initialize DRM mode_configuration structure |
1125 | * @dev: DRM device |
||
1126 | * |
||
1127 | * Initialize @dev's mode_config structure, used for tracking the graphics |
||
1128 | * configuration of @dev. |
||
3480 | Serge | 1129 | * |
1130 | * Since this initializes the modeset locks, no locking is possible. Which is no |
||
1131 | * problem, since this should happen single threaded at init time. It is the |
||
1132 | * driver's problem to ensure this guarantee. |
||
1133 | * |
||
1123 | serge | 1134 | */ |
1135 | void drm_mode_config_init(struct drm_device *dev) |
||
1136 | { |
||
1630 | serge | 1137 | mutex_init(&dev->mode_config.mutex); |
1138 | mutex_init(&dev->mode_config.idr_mutex); |
||
3480 | Serge | 1139 | mutex_init(&dev->mode_config.fb_lock); |
1123 | serge | 1140 | INIT_LIST_HEAD(&dev->mode_config.fb_list); |
1141 | INIT_LIST_HEAD(&dev->mode_config.crtc_list); |
||
1142 | INIT_LIST_HEAD(&dev->mode_config.connector_list); |
||
1143 | INIT_LIST_HEAD(&dev->mode_config.encoder_list); |
||
1144 | INIT_LIST_HEAD(&dev->mode_config.property_list); |
||
1145 | INIT_LIST_HEAD(&dev->mode_config.property_blob_list); |
||
3031 | serge | 1146 | INIT_LIST_HEAD(&dev->mode_config.plane_list); |
1123 | serge | 1147 | idr_init(&dev->mode_config.crtc_idr); |
1148 | |||
3480 | Serge | 1149 | drm_modeset_lock_all(dev); |
1123 | serge | 1150 | drm_mode_create_standard_connector_properties(dev); |
3480 | Serge | 1151 | drm_modeset_unlock_all(dev); |
1123 | serge | 1152 | |
1153 | /* Just to be sure */ |
||
1154 | dev->mode_config.num_fb = 0; |
||
1155 | dev->mode_config.num_connector = 0; |
||
1156 | dev->mode_config.num_crtc = 0; |
||
1157 | dev->mode_config.num_encoder = 0; |
||
1158 | } |
||
1159 | EXPORT_SYMBOL(drm_mode_config_init); |
||
1160 | |||
1161 | int drm_mode_group_init(struct drm_device *dev, struct drm_mode_group *group) |
||
1162 | { |
||
1163 | uint32_t total_objects = 0; |
||
1164 | |||
1165 | total_objects += dev->mode_config.num_crtc; |
||
1166 | total_objects += dev->mode_config.num_connector; |
||
1167 | total_objects += dev->mode_config.num_encoder; |
||
1168 | |||
1169 | group->id_list = kzalloc(total_objects * sizeof(uint32_t), GFP_KERNEL); |
||
1170 | if (!group->id_list) |
||
1171 | return -ENOMEM; |
||
1172 | |||
1173 | group->num_crtcs = 0; |
||
1174 | group->num_connectors = 0; |
||
1175 | group->num_encoders = 0; |
||
1176 | return 0; |
||
1177 | } |
||
1178 | |||
1179 | int drm_mode_group_init_legacy_group(struct drm_device *dev, |
||
1180 | struct drm_mode_group *group) |
||
1181 | { |
||
1182 | struct drm_crtc *crtc; |
||
1183 | struct drm_encoder *encoder; |
||
1184 | struct drm_connector *connector; |
||
1185 | int ret; |
||
1186 | |||
1187 | if ((ret = drm_mode_group_init(dev, group))) |
||
1188 | return ret; |
||
1189 | |||
1190 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) |
||
1191 | group->id_list[group->num_crtcs++] = crtc->base.id; |
||
1192 | |||
1193 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) |
||
1194 | group->id_list[group->num_crtcs + group->num_encoders++] = |
||
1195 | encoder->base.id; |
||
1196 | |||
1197 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) |
||
1198 | group->id_list[group->num_crtcs + group->num_encoders + |
||
1199 | group->num_connectors++] = connector->base.id; |
||
1200 | |||
1201 | return 0; |
||
1202 | } |
||
3031 | serge | 1203 | EXPORT_SYMBOL(drm_mode_group_init_legacy_group); |
1123 | serge | 1204 | |
1205 | /** |
||
1206 | * drm_mode_config_cleanup - free up DRM mode_config info |
||
1207 | * @dev: DRM device |
||
1208 | * |
||
1209 | * Free up all the connectors and CRTCs associated with this DRM device, then |
||
1210 | * free up the framebuffers and associated buffer objects. |
||
1211 | * |
||
3480 | Serge | 1212 | * Note that since this /should/ happen single-threaded at driver/device |
1213 | * teardown time, no locking is required. It's the driver's job to ensure that |
||
1214 | * this guarantee actually holds true. |
||
1215 | * |
||
1123 | serge | 1216 | * FIXME: cleanup any dangling user buffer objects too |
1217 | */ |
||
1218 | void drm_mode_config_cleanup(struct drm_device *dev) |
||
1219 | { |
||
1220 | struct drm_connector *connector, *ot; |
||
1221 | struct drm_crtc *crtc, *ct; |
||
1222 | struct drm_encoder *encoder, *enct; |
||
1223 | struct drm_framebuffer *fb, *fbt; |
||
1224 | struct drm_property *property, *pt; |
||
3031 | serge | 1225 | struct drm_plane *plane, *plt; |
1123 | serge | 1226 | |
1227 | list_for_each_entry_safe(encoder, enct, &dev->mode_config.encoder_list, |
||
1228 | head) { |
||
1229 | encoder->funcs->destroy(encoder); |
||
1230 | } |
||
1231 | |||
1232 | list_for_each_entry_safe(connector, ot, |
||
1233 | &dev->mode_config.connector_list, head) { |
||
1234 | connector->funcs->destroy(connector); |
||
1235 | } |
||
1236 | |||
1237 | list_for_each_entry_safe(property, pt, &dev->mode_config.property_list, |
||
1238 | head) { |
||
1239 | drm_property_destroy(dev, property); |
||
1240 | } |
||
1241 | |||
3480 | Serge | 1242 | /* |
1243 | * Single-threaded teardown context, so it's not required to grab the |
||
1244 | * fb_lock to protect against concurrent fb_list access. Contrary, it |
||
1245 | * would actually deadlock with the drm_framebuffer_cleanup function. |
||
1246 | * |
||
1247 | * Also, if there are any framebuffers left, that's a driver leak now, |
||
1248 | * so politely WARN about this. |
||
1249 | */ |
||
1250 | WARN_ON(!list_empty(&dev->mode_config.fb_list)); |
||
1251 | list_for_each_entry_safe(fb, fbt, &dev->mode_config.fb_list, head) { |
||
1252 | drm_framebuffer_remove(fb); |
||
1253 | } |
||
1254 | |||
3031 | serge | 1255 | list_for_each_entry_safe(plane, plt, &dev->mode_config.plane_list, |
1256 | head) { |
||
1257 | plane->funcs->destroy(plane); |
||
1123 | serge | 1258 | } |
1259 | |||
1260 | list_for_each_entry_safe(crtc, ct, &dev->mode_config.crtc_list, head) { |
||
1261 | crtc->funcs->destroy(crtc); |
||
1262 | } |
||
1263 | |||
3031 | serge | 1264 | idr_destroy(&dev->mode_config.crtc_idr); |
1123 | serge | 1265 | } |
1266 | EXPORT_SYMBOL(drm_mode_config_cleanup); |
||
1267 | |||
1268 | /** |
||
1269 | * drm_crtc_convert_to_umode - convert a drm_display_mode into a modeinfo |
||
1270 | * @out: drm_mode_modeinfo struct to return to the user |
||
1271 | * @in: drm_display_mode to use |
||
1272 | * |
||
1273 | * Convert a drm_display_mode into a drm_mode_modeinfo structure to return to |
||
1274 | * the user. |
||
1275 | */ |
||
3031 | serge | 1276 | static void drm_crtc_convert_to_umode(struct drm_mode_modeinfo *out, |
1277 | const struct drm_display_mode *in) |
||
1123 | serge | 1278 | { |
3031 | serge | 1279 | WARN(in->hdisplay > USHRT_MAX || in->hsync_start > USHRT_MAX || |
1280 | in->hsync_end > USHRT_MAX || in->htotal > USHRT_MAX || |
||
1281 | in->hskew > USHRT_MAX || in->vdisplay > USHRT_MAX || |
||
1282 | in->vsync_start > USHRT_MAX || in->vsync_end > USHRT_MAX || |
||
1283 | in->vtotal > USHRT_MAX || in->vscan > USHRT_MAX, |
||
1284 | "timing values too large for mode info\n"); |
||
1285 | |||
1123 | serge | 1286 | out->clock = in->clock; |
1287 | out->hdisplay = in->hdisplay; |
||
1288 | out->hsync_start = in->hsync_start; |
||
1289 | out->hsync_end = in->hsync_end; |
||
1290 | out->htotal = in->htotal; |
||
1291 | out->hskew = in->hskew; |
||
1292 | out->vdisplay = in->vdisplay; |
||
1293 | out->vsync_start = in->vsync_start; |
||
1294 | out->vsync_end = in->vsync_end; |
||
1295 | out->vtotal = in->vtotal; |
||
1296 | out->vscan = in->vscan; |
||
1297 | out->vrefresh = in->vrefresh; |
||
1298 | out->flags = in->flags; |
||
1299 | out->type = in->type; |
||
1300 | strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN); |
||
1301 | out->name[DRM_DISPLAY_MODE_LEN-1] = 0; |
||
1302 | } |
||
1303 | |||
1304 | /** |
||
1305 | * drm_crtc_convert_to_umode - convert a modeinfo into a drm_display_mode |
||
1306 | * @out: drm_display_mode to return to the user |
||
1307 | * @in: drm_mode_modeinfo to use |
||
1308 | * |
||
1309 | * Convert a drm_mode_modeinfo into a drm_display_mode structure to return to |
||
1310 | * the caller. |
||
3031 | serge | 1311 | * |
1312 | * RETURNS: |
||
1313 | * Zero on success, errno on failure. |
||
1123 | serge | 1314 | */ |
3031 | serge | 1315 | static int drm_crtc_convert_umode(struct drm_display_mode *out, |
1316 | const struct drm_mode_modeinfo *in) |
||
1123 | serge | 1317 | { |
3031 | serge | 1318 | if (in->clock > INT_MAX || in->vrefresh > INT_MAX) |
1319 | return -ERANGE; |
||
1320 | |||
1123 | serge | 1321 | out->clock = in->clock; |
1322 | out->hdisplay = in->hdisplay; |
||
1323 | out->hsync_start = in->hsync_start; |
||
1324 | out->hsync_end = in->hsync_end; |
||
1325 | out->htotal = in->htotal; |
||
1326 | out->hskew = in->hskew; |
||
1327 | out->vdisplay = in->vdisplay; |
||
1328 | out->vsync_start = in->vsync_start; |
||
1329 | out->vsync_end = in->vsync_end; |
||
1330 | out->vtotal = in->vtotal; |
||
1331 | out->vscan = in->vscan; |
||
1332 | out->vrefresh = in->vrefresh; |
||
1333 | out->flags = in->flags; |
||
1334 | out->type = in->type; |
||
1335 | strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN); |
||
1336 | out->name[DRM_DISPLAY_MODE_LEN-1] = 0; |
||
3031 | serge | 1337 | |
1338 | return 0; |
||
1123 | serge | 1339 | } |
1340 | |||
1341 | |||
1342 | #if 0 |
||
1343 | /** |
||
1344 | * drm_mode_getresources - get graphics configuration |
||
3480 | Serge | 1345 | * @dev: drm device for the ioctl |
1346 | * @data: data pointer for the ioctl |
||
1347 | * @file_priv: drm file for the ioctl call |
||
1123 | serge | 1348 | * |
1349 | * Construct a set of configuration description structures and return |
||
1350 | * them to the user, including CRTC, connector and framebuffer configuration. |
||
1351 | * |
||
1352 | * Called by the user via ioctl. |
||
1353 | * |
||
1354 | * RETURNS: |
||
1355 | * Zero on success, errno on failure. |
||
1356 | */ |
||
1357 | int drm_mode_getresources(struct drm_device *dev, void *data, |
||
1358 | struct drm_file *file_priv) |
||
1359 | { |
||
1360 | struct drm_mode_card_res *card_res = data; |
||
1361 | struct list_head *lh; |
||
1362 | struct drm_framebuffer *fb; |
||
1363 | struct drm_connector *connector; |
||
1364 | struct drm_crtc *crtc; |
||
1365 | struct drm_encoder *encoder; |
||
1366 | int ret = 0; |
||
1367 | int connector_count = 0; |
||
1368 | int crtc_count = 0; |
||
1369 | int fb_count = 0; |
||
1370 | int encoder_count = 0; |
||
1371 | int copied = 0, i; |
||
1372 | uint32_t __user *fb_id; |
||
1373 | uint32_t __user *crtc_id; |
||
1374 | uint32_t __user *connector_id; |
||
1375 | uint32_t __user *encoder_id; |
||
1376 | struct drm_mode_group *mode_group; |
||
1377 | |||
1963 | serge | 1378 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1379 | return -EINVAL; |
||
1380 | |||
1123 | serge | 1381 | |
3480 | Serge | 1382 | mutex_lock(&file_priv->fbs_lock); |
1123 | serge | 1383 | /* |
1384 | * For the non-control nodes we need to limit the list of resources |
||
1385 | * by IDs in the group list for this node |
||
1386 | */ |
||
1387 | list_for_each(lh, &file_priv->fbs) |
||
1388 | fb_count++; |
||
1389 | |||
3480 | Serge | 1390 | /* handle this in 4 parts */ |
1391 | /* FBs */ |
||
1392 | if (card_res->count_fbs >= fb_count) { |
||
1393 | copied = 0; |
||
1394 | fb_id = (uint32_t __user *)(unsigned long)card_res->fb_id_ptr; |
||
1395 | list_for_each_entry(fb, &file_priv->fbs, filp_head) { |
||
1396 | if (put_user(fb->base.id, fb_id + copied)) { |
||
1397 | mutex_unlock(&file_priv->fbs_lock); |
||
1398 | return -EFAULT; |
||
1399 | } |
||
1400 | copied++; |
||
1401 | } |
||
1402 | } |
||
1403 | card_res->count_fbs = fb_count; |
||
1404 | mutex_unlock(&file_priv->fbs_lock); |
||
1405 | |||
1406 | drm_modeset_lock_all(dev); |
||
1123 | serge | 1407 | mode_group = &file_priv->master->minor->mode_group; |
1408 | if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { |
||
1409 | |||
1410 | list_for_each(lh, &dev->mode_config.crtc_list) |
||
1411 | crtc_count++; |
||
1412 | |||
1413 | list_for_each(lh, &dev->mode_config.connector_list) |
||
1414 | connector_count++; |
||
1415 | |||
1416 | list_for_each(lh, &dev->mode_config.encoder_list) |
||
1417 | encoder_count++; |
||
1418 | } else { |
||
1419 | |||
1420 | crtc_count = mode_group->num_crtcs; |
||
1421 | connector_count = mode_group->num_connectors; |
||
1422 | encoder_count = mode_group->num_encoders; |
||
1423 | } |
||
1424 | |||
1425 | card_res->max_height = dev->mode_config.max_height; |
||
1426 | card_res->min_height = dev->mode_config.min_height; |
||
1427 | card_res->max_width = dev->mode_config.max_width; |
||
1428 | card_res->min_width = dev->mode_config.min_width; |
||
1429 | |||
1430 | /* CRTCs */ |
||
1431 | if (card_res->count_crtcs >= crtc_count) { |
||
1432 | copied = 0; |
||
1433 | crtc_id = (uint32_t __user *)(unsigned long)card_res->crtc_id_ptr; |
||
1434 | if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { |
||
1435 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, |
||
1436 | head) { |
||
1963 | serge | 1437 | DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id); |
1123 | serge | 1438 | if (put_user(crtc->base.id, crtc_id + copied)) { |
1439 | ret = -EFAULT; |
||
1440 | goto out; |
||
1441 | } |
||
1442 | copied++; |
||
1443 | } |
||
1444 | } else { |
||
1445 | for (i = 0; i < mode_group->num_crtcs; i++) { |
||
1446 | if (put_user(mode_group->id_list[i], |
||
1447 | crtc_id + copied)) { |
||
1448 | ret = -EFAULT; |
||
1449 | goto out; |
||
1450 | } |
||
1451 | copied++; |
||
1452 | } |
||
1453 | } |
||
1454 | } |
||
1455 | card_res->count_crtcs = crtc_count; |
||
1456 | |||
1457 | /* Encoders */ |
||
1458 | if (card_res->count_encoders >= encoder_count) { |
||
1459 | copied = 0; |
||
1460 | encoder_id = (uint32_t __user *)(unsigned long)card_res->encoder_id_ptr; |
||
1461 | if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { |
||
1462 | list_for_each_entry(encoder, |
||
1463 | &dev->mode_config.encoder_list, |
||
1464 | head) { |
||
1963 | serge | 1465 | DRM_DEBUG_KMS("[ENCODER:%d:%s]\n", encoder->base.id, |
1466 | drm_get_encoder_name(encoder)); |
||
1123 | serge | 1467 | if (put_user(encoder->base.id, encoder_id + |
1468 | copied)) { |
||
1469 | ret = -EFAULT; |
||
1470 | goto out; |
||
1471 | } |
||
1472 | copied++; |
||
1473 | } |
||
1474 | } else { |
||
1475 | for (i = mode_group->num_crtcs; i < mode_group->num_crtcs + mode_group->num_encoders; i++) { |
||
1476 | if (put_user(mode_group->id_list[i], |
||
1477 | encoder_id + copied)) { |
||
1478 | ret = -EFAULT; |
||
1479 | goto out; |
||
1480 | } |
||
1481 | copied++; |
||
1482 | } |
||
1483 | |||
1484 | } |
||
1485 | } |
||
1486 | card_res->count_encoders = encoder_count; |
||
1487 | |||
1488 | /* Connectors */ |
||
1489 | if (card_res->count_connectors >= connector_count) { |
||
1490 | copied = 0; |
||
1491 | connector_id = (uint32_t __user *)(unsigned long)card_res->connector_id_ptr; |
||
1492 | if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { |
||
1493 | list_for_each_entry(connector, |
||
1494 | &dev->mode_config.connector_list, |
||
1495 | head) { |
||
1963 | serge | 1496 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", |
1497 | connector->base.id, |
||
1498 | drm_get_connector_name(connector)); |
||
1123 | serge | 1499 | if (put_user(connector->base.id, |
1500 | connector_id + copied)) { |
||
1501 | ret = -EFAULT; |
||
1502 | goto out; |
||
1503 | } |
||
1504 | copied++; |
||
1505 | } |
||
1506 | } else { |
||
1507 | int start = mode_group->num_crtcs + |
||
1508 | mode_group->num_encoders; |
||
1509 | for (i = start; i < start + mode_group->num_connectors; i++) { |
||
1510 | if (put_user(mode_group->id_list[i], |
||
1511 | connector_id + copied)) { |
||
1512 | ret = -EFAULT; |
||
1513 | goto out; |
||
1514 | } |
||
1515 | copied++; |
||
1516 | } |
||
1517 | } |
||
1518 | } |
||
1519 | card_res->count_connectors = connector_count; |
||
1520 | |||
1963 | serge | 1521 | DRM_DEBUG_KMS("CRTC[%d] CONNECTORS[%d] ENCODERS[%d]\n", card_res->count_crtcs, |
1123 | serge | 1522 | card_res->count_connectors, card_res->count_encoders); |
1523 | |||
1524 | out: |
||
3480 | Serge | 1525 | drm_modeset_unlock_all(dev); |
1123 | serge | 1526 | return ret; |
1527 | } |
||
1528 | |||
1529 | /** |
||
1530 | * drm_mode_getcrtc - get CRTC configuration |
||
3480 | Serge | 1531 | * @dev: drm device for the ioctl |
1532 | * @data: data pointer for the ioctl |
||
1533 | * @file_priv: drm file for the ioctl call |
||
1123 | serge | 1534 | * |
1535 | * Construct a CRTC configuration structure to return to the user. |
||
1536 | * |
||
1537 | * Called by the user via ioctl. |
||
1538 | * |
||
1539 | * RETURNS: |
||
1540 | * Zero on success, errno on failure. |
||
1541 | */ |
||
1542 | int drm_mode_getcrtc(struct drm_device *dev, |
||
1543 | void *data, struct drm_file *file_priv) |
||
1544 | { |
||
1545 | struct drm_mode_crtc *crtc_resp = data; |
||
1546 | struct drm_crtc *crtc; |
||
1547 | struct drm_mode_object *obj; |
||
1548 | int ret = 0; |
||
1549 | |||
1963 | serge | 1550 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1551 | return -EINVAL; |
||
1552 | |||
3480 | Serge | 1553 | drm_modeset_lock_all(dev); |
1123 | serge | 1554 | |
1555 | obj = drm_mode_object_find(dev, crtc_resp->crtc_id, |
||
1556 | DRM_MODE_OBJECT_CRTC); |
||
1557 | if (!obj) { |
||
1558 | ret = -EINVAL; |
||
1559 | goto out; |
||
1560 | } |
||
1561 | crtc = obj_to_crtc(obj); |
||
1562 | |||
1563 | crtc_resp->x = crtc->x; |
||
1564 | crtc_resp->y = crtc->y; |
||
1565 | crtc_resp->gamma_size = crtc->gamma_size; |
||
1566 | if (crtc->fb) |
||
1567 | crtc_resp->fb_id = crtc->fb->base.id; |
||
1568 | else |
||
1569 | crtc_resp->fb_id = 0; |
||
1570 | |||
1571 | if (crtc->enabled) { |
||
1572 | |||
1573 | drm_crtc_convert_to_umode(&crtc_resp->mode, &crtc->mode); |
||
1574 | crtc_resp->mode_valid = 1; |
||
1575 | |||
1576 | } else { |
||
1577 | crtc_resp->mode_valid = 0; |
||
1578 | } |
||
1579 | |||
1580 | out: |
||
3480 | Serge | 1581 | drm_modeset_unlock_all(dev); |
1123 | serge | 1582 | return ret; |
1583 | } |
||
1584 | |||
1585 | /** |
||
1586 | * drm_mode_getconnector - get connector configuration |
||
3480 | Serge | 1587 | * @dev: drm device for the ioctl |
1588 | * @data: data pointer for the ioctl |
||
1589 | * @file_priv: drm file for the ioctl call |
||
1123 | serge | 1590 | * |
1591 | * Construct a connector configuration structure to return to the user. |
||
1592 | * |
||
1593 | * Called by the user via ioctl. |
||
1594 | * |
||
1595 | * RETURNS: |
||
1596 | * Zero on success, errno on failure. |
||
1597 | */ |
||
1598 | int drm_mode_getconnector(struct drm_device *dev, void *data, |
||
1599 | struct drm_file *file_priv) |
||
1600 | { |
||
1601 | struct drm_mode_get_connector *out_resp = data; |
||
1602 | struct drm_mode_object *obj; |
||
1603 | struct drm_connector *connector; |
||
1604 | struct drm_display_mode *mode; |
||
1605 | int mode_count = 0; |
||
1606 | int props_count = 0; |
||
1607 | int encoders_count = 0; |
||
1608 | int ret = 0; |
||
1609 | int copied = 0; |
||
1610 | int i; |
||
1611 | struct drm_mode_modeinfo u_mode; |
||
1612 | struct drm_mode_modeinfo __user *mode_ptr; |
||
1613 | uint32_t __user *prop_ptr; |
||
1614 | uint64_t __user *prop_values; |
||
1615 | uint32_t __user *encoder_ptr; |
||
1616 | |||
1963 | serge | 1617 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1618 | return -EINVAL; |
||
1619 | |||
1123 | serge | 1620 | memset(&u_mode, 0, sizeof(struct drm_mode_modeinfo)); |
1621 | |||
1963 | serge | 1622 | DRM_DEBUG_KMS("[CONNECTOR:%d:?]\n", out_resp->connector_id); |
1123 | serge | 1623 | |
1624 | mutex_lock(&dev->mode_config.mutex); |
||
1625 | |||
1626 | obj = drm_mode_object_find(dev, out_resp->connector_id, |
||
1627 | DRM_MODE_OBJECT_CONNECTOR); |
||
1628 | if (!obj) { |
||
1629 | ret = -EINVAL; |
||
1630 | goto out; |
||
1631 | } |
||
1632 | connector = obj_to_connector(obj); |
||
1633 | |||
3031 | serge | 1634 | props_count = connector->properties.count; |
1123 | serge | 1635 | |
1636 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { |
||
1637 | if (connector->encoder_ids[i] != 0) { |
||
1638 | encoders_count++; |
||
1639 | } |
||
1640 | } |
||
1641 | |||
1642 | if (out_resp->count_modes == 0) { |
||
1643 | connector->funcs->fill_modes(connector, |
||
1644 | dev->mode_config.max_width, |
||
1645 | dev->mode_config.max_height); |
||
1646 | } |
||
1647 | |||
1648 | /* delayed so we get modes regardless of pre-fill_modes state */ |
||
1649 | list_for_each_entry(mode, &connector->modes, head) |
||
1650 | mode_count++; |
||
1651 | |||
1652 | out_resp->connector_id = connector->base.id; |
||
1653 | out_resp->connector_type = connector->connector_type; |
||
1654 | out_resp->connector_type_id = connector->connector_type_id; |
||
1655 | out_resp->mm_width = connector->display_info.width_mm; |
||
1656 | out_resp->mm_height = connector->display_info.height_mm; |
||
1657 | out_resp->subpixel = connector->display_info.subpixel_order; |
||
1658 | out_resp->connection = connector->status; |
||
1659 | if (connector->encoder) |
||
1660 | out_resp->encoder_id = connector->encoder->base.id; |
||
1661 | else |
||
1662 | out_resp->encoder_id = 0; |
||
1663 | |||
1664 | /* |
||
1665 | * This ioctl is called twice, once to determine how much space is |
||
1666 | * needed, and the 2nd time to fill it. |
||
1667 | */ |
||
1668 | if ((out_resp->count_modes >= mode_count) && mode_count) { |
||
1669 | copied = 0; |
||
3031 | serge | 1670 | mode_ptr = (struct drm_mode_modeinfo __user *)(unsigned long)out_resp->modes_ptr; |
1123 | serge | 1671 | list_for_each_entry(mode, &connector->modes, head) { |
1672 | drm_crtc_convert_to_umode(&u_mode, mode); |
||
1673 | if (copy_to_user(mode_ptr + copied, |
||
1674 | &u_mode, sizeof(u_mode))) { |
||
1675 | ret = -EFAULT; |
||
1676 | goto out; |
||
1677 | } |
||
1678 | copied++; |
||
1679 | } |
||
1680 | } |
||
1681 | out_resp->count_modes = mode_count; |
||
1682 | |||
1683 | if ((out_resp->count_props >= props_count) && props_count) { |
||
1684 | copied = 0; |
||
3031 | serge | 1685 | prop_ptr = (uint32_t __user *)(unsigned long)(out_resp->props_ptr); |
1686 | prop_values = (uint64_t __user *)(unsigned long)(out_resp->prop_values_ptr); |
||
1687 | for (i = 0; i < connector->properties.count; i++) { |
||
1688 | if (put_user(connector->properties.ids[i], |
||
1123 | serge | 1689 | prop_ptr + copied)) { |
1690 | ret = -EFAULT; |
||
1691 | goto out; |
||
1692 | } |
||
1693 | |||
3031 | serge | 1694 | if (put_user(connector->properties.values[i], |
1123 | serge | 1695 | prop_values + copied)) { |
1696 | ret = -EFAULT; |
||
1697 | goto out; |
||
1698 | } |
||
1699 | copied++; |
||
1700 | } |
||
1701 | } |
||
1702 | out_resp->count_props = props_count; |
||
1703 | |||
1704 | if ((out_resp->count_encoders >= encoders_count) && encoders_count) { |
||
1705 | copied = 0; |
||
3031 | serge | 1706 | encoder_ptr = (uint32_t __user *)(unsigned long)(out_resp->encoders_ptr); |
1123 | serge | 1707 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { |
1708 | if (connector->encoder_ids[i] != 0) { |
||
1709 | if (put_user(connector->encoder_ids[i], |
||
1710 | encoder_ptr + copied)) { |
||
1711 | ret = -EFAULT; |
||
1712 | goto out; |
||
1713 | } |
||
1714 | copied++; |
||
1715 | } |
||
1716 | } |
||
1717 | } |
||
1718 | out_resp->count_encoders = encoders_count; |
||
1719 | |||
1720 | out: |
||
1721 | mutex_unlock(&dev->mode_config.mutex); |
||
3480 | Serge | 1722 | |
1123 | serge | 1723 | return ret; |
1724 | } |
||
1725 | |||
1726 | int drm_mode_getencoder(struct drm_device *dev, void *data, |
||
1727 | struct drm_file *file_priv) |
||
1728 | { |
||
1729 | struct drm_mode_get_encoder *enc_resp = data; |
||
1730 | struct drm_mode_object *obj; |
||
1731 | struct drm_encoder *encoder; |
||
1732 | int ret = 0; |
||
1733 | |||
1963 | serge | 1734 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1735 | return -EINVAL; |
||
1736 | |||
3480 | Serge | 1737 | drm_modeset_lock_all(dev); |
1123 | serge | 1738 | obj = drm_mode_object_find(dev, enc_resp->encoder_id, |
1739 | DRM_MODE_OBJECT_ENCODER); |
||
1740 | if (!obj) { |
||
1741 | ret = -EINVAL; |
||
1742 | goto out; |
||
1743 | } |
||
1744 | encoder = obj_to_encoder(obj); |
||
1745 | |||
1746 | if (encoder->crtc) |
||
1747 | enc_resp->crtc_id = encoder->crtc->base.id; |
||
1748 | else |
||
1749 | enc_resp->crtc_id = 0; |
||
1750 | enc_resp->encoder_type = encoder->encoder_type; |
||
1751 | enc_resp->encoder_id = encoder->base.id; |
||
1752 | enc_resp->possible_crtcs = encoder->possible_crtcs; |
||
1753 | enc_resp->possible_clones = encoder->possible_clones; |
||
1754 | |||
1755 | out: |
||
3480 | Serge | 1756 | drm_modeset_unlock_all(dev); |
1123 | serge | 1757 | return ret; |
1758 | } |
||
1759 | |||
1760 | /** |
||
3031 | serge | 1761 | * drm_mode_getplane_res - get plane info |
1762 | * @dev: DRM device |
||
1763 | * @data: ioctl data |
||
1764 | * @file_priv: DRM file info |
||
1765 | * |
||
1766 | * Return an plane count and set of IDs. |
||
1767 | */ |
||
1768 | int drm_mode_getplane_res(struct drm_device *dev, void *data, |
||
1769 | struct drm_file *file_priv) |
||
1770 | { |
||
1771 | struct drm_mode_get_plane_res *plane_resp = data; |
||
1772 | struct drm_mode_config *config; |
||
1773 | struct drm_plane *plane; |
||
1774 | uint32_t __user *plane_ptr; |
||
1775 | int copied = 0, ret = 0; |
||
1776 | |||
1777 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
||
1778 | return -EINVAL; |
||
1779 | |||
3480 | Serge | 1780 | drm_modeset_lock_all(dev); |
3031 | serge | 1781 | config = &dev->mode_config; |
1782 | |||
1783 | /* |
||
1784 | * This ioctl is called twice, once to determine how much space is |
||
1785 | * needed, and the 2nd time to fill it. |
||
1786 | */ |
||
1787 | if (config->num_plane && |
||
1788 | (plane_resp->count_planes >= config->num_plane)) { |
||
1789 | plane_ptr = (uint32_t __user *)(unsigned long)plane_resp->plane_id_ptr; |
||
1790 | |||
1791 | list_for_each_entry(plane, &config->plane_list, head) { |
||
1792 | if (put_user(plane->base.id, plane_ptr + copied)) { |
||
1793 | ret = -EFAULT; |
||
1794 | goto out; |
||
1795 | } |
||
1796 | copied++; |
||
1797 | } |
||
1798 | } |
||
1799 | plane_resp->count_planes = config->num_plane; |
||
1800 | |||
1801 | out: |
||
3480 | Serge | 1802 | drm_modeset_unlock_all(dev); |
3031 | serge | 1803 | return ret; |
1804 | } |
||
1805 | |||
1806 | /** |
||
1807 | * drm_mode_getplane - get plane info |
||
1808 | * @dev: DRM device |
||
1809 | * @data: ioctl data |
||
1810 | * @file_priv: DRM file info |
||
1811 | * |
||
1812 | * Return plane info, including formats supported, gamma size, any |
||
1813 | * current fb, etc. |
||
1814 | */ |
||
1815 | int drm_mode_getplane(struct drm_device *dev, void *data, |
||
1816 | struct drm_file *file_priv) |
||
1817 | { |
||
1818 | struct drm_mode_get_plane *plane_resp = data; |
||
1819 | struct drm_mode_object *obj; |
||
1820 | struct drm_plane *plane; |
||
1821 | uint32_t __user *format_ptr; |
||
1822 | int ret = 0; |
||
1823 | |||
1824 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
||
1825 | return -EINVAL; |
||
1826 | |||
3480 | Serge | 1827 | drm_modeset_lock_all(dev); |
3031 | serge | 1828 | obj = drm_mode_object_find(dev, plane_resp->plane_id, |
1829 | DRM_MODE_OBJECT_PLANE); |
||
1830 | if (!obj) { |
||
1831 | ret = -ENOENT; |
||
1832 | goto out; |
||
1833 | } |
||
1834 | plane = obj_to_plane(obj); |
||
1835 | |||
1836 | if (plane->crtc) |
||
1837 | plane_resp->crtc_id = plane->crtc->base.id; |
||
1838 | else |
||
1839 | plane_resp->crtc_id = 0; |
||
1840 | |||
1841 | if (plane->fb) |
||
1842 | plane_resp->fb_id = plane->fb->base.id; |
||
1843 | else |
||
1844 | plane_resp->fb_id = 0; |
||
1845 | |||
1846 | plane_resp->plane_id = plane->base.id; |
||
1847 | plane_resp->possible_crtcs = plane->possible_crtcs; |
||
1848 | plane_resp->gamma_size = plane->gamma_size; |
||
1849 | |||
1850 | /* |
||
1851 | * This ioctl is called twice, once to determine how much space is |
||
1852 | * needed, and the 2nd time to fill it. |
||
1853 | */ |
||
1854 | if (plane->format_count && |
||
1855 | (plane_resp->count_format_types >= plane->format_count)) { |
||
1856 | format_ptr = (uint32_t __user *)(unsigned long)plane_resp->format_type_ptr; |
||
1857 | if (copy_to_user(format_ptr, |
||
1858 | plane->format_types, |
||
1859 | sizeof(uint32_t) * plane->format_count)) { |
||
1860 | ret = -EFAULT; |
||
1861 | goto out; |
||
1862 | } |
||
1863 | } |
||
1864 | plane_resp->count_format_types = plane->format_count; |
||
1865 | |||
1866 | out: |
||
3480 | Serge | 1867 | drm_modeset_unlock_all(dev); |
3031 | serge | 1868 | return ret; |
1869 | } |
||
1870 | |||
1871 | /** |
||
1872 | * drm_mode_setplane - set up or tear down an plane |
||
1873 | * @dev: DRM device |
||
1874 | * @data: ioctl data* |
||
3480 | Serge | 1875 | * @file_priv: DRM file info |
3031 | serge | 1876 | * |
1877 | * Set plane info, including placement, fb, scaling, and other factors. |
||
1878 | * Or pass a NULL fb to disable. |
||
1879 | */ |
||
1880 | int drm_mode_setplane(struct drm_device *dev, void *data, |
||
1881 | struct drm_file *file_priv) |
||
1882 | { |
||
1883 | struct drm_mode_set_plane *plane_req = data; |
||
1884 | struct drm_mode_object *obj; |
||
1885 | struct drm_plane *plane; |
||
1886 | struct drm_crtc *crtc; |
||
3480 | Serge | 1887 | struct drm_framebuffer *fb = NULL, *old_fb = NULL; |
3031 | serge | 1888 | int ret = 0; |
1889 | unsigned int fb_width, fb_height; |
||
1890 | int i; |
||
1891 | |||
1892 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
||
1893 | return -EINVAL; |
||
1894 | |||
1895 | /* |
||
1896 | * First, find the plane, crtc, and fb objects. If not available, |
||
1897 | * we don't bother to call the driver. |
||
1898 | */ |
||
1899 | obj = drm_mode_object_find(dev, plane_req->plane_id, |
||
1900 | DRM_MODE_OBJECT_PLANE); |
||
1901 | if (!obj) { |
||
1902 | DRM_DEBUG_KMS("Unknown plane ID %d\n", |
||
1903 | plane_req->plane_id); |
||
3480 | Serge | 1904 | return -ENOENT; |
3031 | serge | 1905 | } |
1906 | plane = obj_to_plane(obj); |
||
1907 | |||
1908 | /* No fb means shut it down */ |
||
1909 | if (!plane_req->fb_id) { |
||
3480 | Serge | 1910 | drm_modeset_lock_all(dev); |
1911 | old_fb = plane->fb; |
||
3031 | serge | 1912 | plane->funcs->disable_plane(plane); |
1913 | plane->crtc = NULL; |
||
1914 | plane->fb = NULL; |
||
3480 | Serge | 1915 | drm_modeset_unlock_all(dev); |
3031 | serge | 1916 | goto out; |
1917 | } |
||
1918 | |||
1919 | obj = drm_mode_object_find(dev, plane_req->crtc_id, |
||
1920 | DRM_MODE_OBJECT_CRTC); |
||
1921 | if (!obj) { |
||
1922 | DRM_DEBUG_KMS("Unknown crtc ID %d\n", |
||
1923 | plane_req->crtc_id); |
||
1924 | ret = -ENOENT; |
||
1925 | goto out; |
||
1926 | } |
||
1927 | crtc = obj_to_crtc(obj); |
||
1928 | |||
3480 | Serge | 1929 | fb = drm_framebuffer_lookup(dev, plane_req->fb_id); |
1930 | if (!fb) { |
||
3031 | serge | 1931 | DRM_DEBUG_KMS("Unknown framebuffer ID %d\n", |
1932 | plane_req->fb_id); |
||
1933 | ret = -ENOENT; |
||
1934 | goto out; |
||
1935 | } |
||
1936 | |||
1937 | /* Check whether this plane supports the fb pixel format. */ |
||
1938 | for (i = 0; i < plane->format_count; i++) |
||
1939 | if (fb->pixel_format == plane->format_types[i]) |
||
1940 | break; |
||
1941 | if (i == plane->format_count) { |
||
1942 | DRM_DEBUG_KMS("Invalid pixel format 0x%08x\n", fb->pixel_format); |
||
1943 | ret = -EINVAL; |
||
1944 | goto out; |
||
1945 | } |
||
1946 | |||
1947 | fb_width = fb->width << 16; |
||
1948 | fb_height = fb->height << 16; |
||
1949 | |||
1950 | /* Make sure source coordinates are inside the fb. */ |
||
1951 | if (plane_req->src_w > fb_width || |
||
1952 | plane_req->src_x > fb_width - plane_req->src_w || |
||
1953 | plane_req->src_h > fb_height || |
||
1954 | plane_req->src_y > fb_height - plane_req->src_h) { |
||
1955 | DRM_DEBUG_KMS("Invalid source coordinates " |
||
1956 | "%u.%06ux%u.%06u+%u.%06u+%u.%06u\n", |
||
1957 | plane_req->src_w >> 16, |
||
1958 | ((plane_req->src_w & 0xffff) * 15625) >> 10, |
||
1959 | plane_req->src_h >> 16, |
||
1960 | ((plane_req->src_h & 0xffff) * 15625) >> 10, |
||
1961 | plane_req->src_x >> 16, |
||
1962 | ((plane_req->src_x & 0xffff) * 15625) >> 10, |
||
1963 | plane_req->src_y >> 16, |
||
1964 | ((plane_req->src_y & 0xffff) * 15625) >> 10); |
||
1965 | ret = -ENOSPC; |
||
1966 | goto out; |
||
1967 | } |
||
1968 | |||
1969 | /* Give drivers some help against integer overflows */ |
||
1970 | if (plane_req->crtc_w > INT_MAX || |
||
1971 | plane_req->crtc_x > INT_MAX - (int32_t) plane_req->crtc_w || |
||
1972 | plane_req->crtc_h > INT_MAX || |
||
1973 | plane_req->crtc_y > INT_MAX - (int32_t) plane_req->crtc_h) { |
||
1974 | DRM_DEBUG_KMS("Invalid CRTC coordinates %ux%u+%d+%d\n", |
||
1975 | plane_req->crtc_w, plane_req->crtc_h, |
||
1976 | plane_req->crtc_x, plane_req->crtc_y); |
||
1977 | ret = -ERANGE; |
||
1978 | goto out; |
||
1979 | } |
||
1980 | |||
3480 | Serge | 1981 | drm_modeset_lock_all(dev); |
3031 | serge | 1982 | ret = plane->funcs->update_plane(plane, crtc, fb, |
1983 | plane_req->crtc_x, plane_req->crtc_y, |
||
1984 | plane_req->crtc_w, plane_req->crtc_h, |
||
1985 | plane_req->src_x, plane_req->src_y, |
||
1986 | plane_req->src_w, plane_req->src_h); |
||
1987 | if (!ret) { |
||
3480 | Serge | 1988 | old_fb = plane->fb; |
3031 | serge | 1989 | plane->crtc = crtc; |
1990 | plane->fb = fb; |
||
3480 | Serge | 1991 | fb = NULL; |
3031 | serge | 1992 | } |
3480 | Serge | 1993 | drm_modeset_unlock_all(dev); |
3031 | serge | 1994 | |
1995 | out: |
||
3480 | Serge | 1996 | if (fb) |
1997 | drm_framebuffer_unreference(fb); |
||
1998 | if (old_fb) |
||
1999 | drm_framebuffer_unreference(old_fb); |
||
3031 | serge | 2000 | |
2001 | return ret; |
||
2002 | } |
||
3480 | Serge | 2003 | #endif |
3031 | serge | 2004 | |
2005 | /** |
||
3480 | Serge | 2006 | * drm_mode_set_config_internal - helper to call ->set_config |
2007 | * @set: modeset config to set |
||
2008 | * |
||
2009 | * This is a little helper to wrap internal calls to the ->set_config driver |
||
2010 | * interface. The only thing it adds is correct refcounting dance. |
||
2011 | */ |
||
2012 | int drm_mode_set_config_internal(struct drm_mode_set *set) |
||
2013 | { |
||
2014 | struct drm_crtc *crtc = set->crtc; |
||
2015 | struct drm_framebuffer *fb, *old_fb; |
||
2016 | int ret; |
||
2017 | |||
2018 | old_fb = crtc->fb; |
||
2019 | fb = set->fb; |
||
2020 | |||
2021 | ret = crtc->funcs->set_config(set); |
||
2022 | if (ret == 0) { |
||
2023 | if (old_fb) |
||
2024 | drm_framebuffer_unreference(old_fb); |
||
2025 | if (fb) |
||
2026 | drm_framebuffer_reference(fb); |
||
2027 | } |
||
2028 | |||
2029 | return ret; |
||
2030 | } |
||
2031 | EXPORT_SYMBOL(drm_mode_set_config_internal); |
||
2032 | |||
2033 | #if 0 |
||
2034 | /** |
||
1123 | serge | 2035 | * drm_mode_setcrtc - set CRTC configuration |
3480 | Serge | 2036 | * @dev: drm device for the ioctl |
2037 | * @data: data pointer for the ioctl |
||
2038 | * @file_priv: drm file for the ioctl call |
||
1123 | serge | 2039 | * |
2040 | * Build a new CRTC configuration based on user request. |
||
2041 | * |
||
2042 | * Called by the user via ioctl. |
||
2043 | * |
||
2044 | * RETURNS: |
||
2045 | * Zero on success, errno on failure. |
||
2046 | */ |
||
2047 | int drm_mode_setcrtc(struct drm_device *dev, void *data, |
||
2048 | struct drm_file *file_priv) |
||
2049 | { |
||
2050 | struct drm_mode_config *config = &dev->mode_config; |
||
2051 | struct drm_mode_crtc *crtc_req = data; |
||
2052 | struct drm_mode_object *obj; |
||
3031 | serge | 2053 | struct drm_crtc *crtc; |
1123 | serge | 2054 | struct drm_connector **connector_set = NULL, *connector; |
2055 | struct drm_framebuffer *fb = NULL; |
||
2056 | struct drm_display_mode *mode = NULL; |
||
2057 | struct drm_mode_set set; |
||
2058 | uint32_t __user *set_connectors_ptr; |
||
3031 | serge | 2059 | int ret; |
1123 | serge | 2060 | int i; |
2061 | |||
1963 | serge | 2062 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2063 | return -EINVAL; |
||
2064 | |||
3031 | serge | 2065 | /* For some reason crtc x/y offsets are signed internally. */ |
2066 | if (crtc_req->x > INT_MAX || crtc_req->y > INT_MAX) |
||
2067 | return -ERANGE; |
||
2068 | |||
3480 | Serge | 2069 | drm_modeset_lock_all(dev); |
1123 | serge | 2070 | obj = drm_mode_object_find(dev, crtc_req->crtc_id, |
2071 | DRM_MODE_OBJECT_CRTC); |
||
2072 | if (!obj) { |
||
1179 | serge | 2073 | DRM_DEBUG_KMS("Unknown CRTC ID %d\n", crtc_req->crtc_id); |
1123 | serge | 2074 | ret = -EINVAL; |
2075 | goto out; |
||
2076 | } |
||
2077 | crtc = obj_to_crtc(obj); |
||
1963 | serge | 2078 | DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id); |
1123 | serge | 2079 | |
2080 | if (crtc_req->mode_valid) { |
||
3031 | serge | 2081 | int hdisplay, vdisplay; |
1123 | serge | 2082 | /* If we have a mode we need a framebuffer. */ |
2083 | /* If we pass -1, set the mode with the currently bound fb */ |
||
2084 | if (crtc_req->fb_id == -1) { |
||
3031 | serge | 2085 | if (!crtc->fb) { |
2086 | DRM_DEBUG_KMS("CRTC doesn't have current FB\n"); |
||
2087 | ret = -EINVAL; |
||
2088 | goto out; |
||
2089 | } |
||
1123 | serge | 2090 | fb = crtc->fb; |
3480 | Serge | 2091 | /* Make refcounting symmetric with the lookup path. */ |
2092 | drm_framebuffer_reference(fb); |
||
1123 | serge | 2093 | } else { |
3480 | Serge | 2094 | fb = drm_framebuffer_lookup(dev, crtc_req->fb_id); |
2095 | if (!fb) { |
||
1179 | serge | 2096 | DRM_DEBUG_KMS("Unknown FB ID%d\n", |
2097 | crtc_req->fb_id); |
||
1123 | serge | 2098 | ret = -EINVAL; |
2099 | goto out; |
||
2100 | } |
||
2101 | } |
||
2102 | |||
2103 | mode = drm_mode_create(dev); |
||
3031 | serge | 2104 | if (!mode) { |
2105 | ret = -ENOMEM; |
||
2106 | goto out; |
||
2107 | } |
||
2108 | |||
2109 | ret = drm_crtc_convert_umode(mode, &crtc_req->mode); |
||
2110 | if (ret) { |
||
2111 | DRM_DEBUG_KMS("Invalid mode\n"); |
||
2112 | goto out; |
||
2113 | } |
||
2114 | |||
1123 | serge | 2115 | drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V); |
3031 | serge | 2116 | |
2117 | hdisplay = mode->hdisplay; |
||
2118 | vdisplay = mode->vdisplay; |
||
2119 | |||
2120 | if (crtc->invert_dimensions) |
||
2121 | swap(hdisplay, vdisplay); |
||
2122 | |||
2123 | if (hdisplay > fb->width || |
||
2124 | vdisplay > fb->height || |
||
2125 | crtc_req->x > fb->width - hdisplay || |
||
2126 | crtc_req->y > fb->height - vdisplay) { |
||
2127 | DRM_DEBUG_KMS("Invalid fb size %ux%u for CRTC viewport %ux%u+%d+%d%s.\n", |
||
2128 | fb->width, fb->height, |
||
2129 | hdisplay, vdisplay, crtc_req->x, crtc_req->y, |
||
2130 | crtc->invert_dimensions ? " (inverted)" : ""); |
||
2131 | ret = -ENOSPC; |
||
2132 | goto out; |
||
2133 | } |
||
1123 | serge | 2134 | } |
2135 | |||
2136 | if (crtc_req->count_connectors == 0 && mode) { |
||
1179 | serge | 2137 | DRM_DEBUG_KMS("Count connectors is 0 but mode set\n"); |
1123 | serge | 2138 | ret = -EINVAL; |
2139 | goto out; |
||
2140 | } |
||
2141 | |||
1179 | serge | 2142 | if (crtc_req->count_connectors > 0 && (!mode || !fb)) { |
2143 | DRM_DEBUG_KMS("Count connectors is %d but no mode or fb set\n", |
||
1123 | serge | 2144 | crtc_req->count_connectors); |
2145 | ret = -EINVAL; |
||
2146 | goto out; |
||
2147 | } |
||
2148 | |||
2149 | if (crtc_req->count_connectors > 0) { |
||
2150 | u32 out_id; |
||
2151 | |||
2152 | /* Avoid unbounded kernel memory allocation */ |
||
2153 | if (crtc_req->count_connectors > config->num_connector) { |
||
2154 | ret = -EINVAL; |
||
2155 | goto out; |
||
2156 | } |
||
2157 | |||
2158 | connector_set = kmalloc(crtc_req->count_connectors * |
||
2159 | sizeof(struct drm_connector *), |
||
2160 | GFP_KERNEL); |
||
2161 | if (!connector_set) { |
||
2162 | ret = -ENOMEM; |
||
2163 | goto out; |
||
2164 | } |
||
2165 | |||
2166 | for (i = 0; i < crtc_req->count_connectors; i++) { |
||
3031 | serge | 2167 | set_connectors_ptr = (uint32_t __user *)(unsigned long)crtc_req->set_connectors_ptr; |
1123 | serge | 2168 | if (get_user(out_id, &set_connectors_ptr[i])) { |
2169 | ret = -EFAULT; |
||
2170 | goto out; |
||
2171 | } |
||
2172 | |||
2173 | obj = drm_mode_object_find(dev, out_id, |
||
2174 | DRM_MODE_OBJECT_CONNECTOR); |
||
2175 | if (!obj) { |
||
1179 | serge | 2176 | DRM_DEBUG_KMS("Connector id %d unknown\n", |
2177 | out_id); |
||
1123 | serge | 2178 | ret = -EINVAL; |
2179 | goto out; |
||
2180 | } |
||
2181 | connector = obj_to_connector(obj); |
||
1963 | serge | 2182 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", |
2183 | connector->base.id, |
||
2184 | drm_get_connector_name(connector)); |
||
1123 | serge | 2185 | |
2186 | connector_set[i] = connector; |
||
2187 | } |
||
2188 | } |
||
2189 | |||
2190 | set.crtc = crtc; |
||
2191 | set.x = crtc_req->x; |
||
2192 | set.y = crtc_req->y; |
||
2193 | set.mode = mode; |
||
2194 | set.connectors = connector_set; |
||
2195 | set.num_connectors = crtc_req->count_connectors; |
||
1179 | serge | 2196 | set.fb = fb; |
3480 | Serge | 2197 | ret = drm_mode_set_config_internal(&set); |
1123 | serge | 2198 | |
2199 | out: |
||
3480 | Serge | 2200 | if (fb) |
2201 | drm_framebuffer_unreference(fb); |
||
2202 | |||
1123 | serge | 2203 | kfree(connector_set); |
3031 | serge | 2204 | drm_mode_destroy(dev, mode); |
3480 | Serge | 2205 | drm_modeset_unlock_all(dev); |
1123 | serge | 2206 | return ret; |
2207 | } |
||
2208 | |||
2209 | int drm_mode_cursor_ioctl(struct drm_device *dev, |
||
2210 | void *data, struct drm_file *file_priv) |
||
2211 | { |
||
2212 | struct drm_mode_cursor *req = data; |
||
2213 | struct drm_mode_object *obj; |
||
2214 | struct drm_crtc *crtc; |
||
2215 | int ret = 0; |
||
2216 | |||
1963 | serge | 2217 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2218 | return -EINVAL; |
||
2219 | |||
3031 | serge | 2220 | if (!req->flags || (~DRM_MODE_CURSOR_FLAGS & req->flags)) |
1123 | serge | 2221 | return -EINVAL; |
2222 | |||
2223 | obj = drm_mode_object_find(dev, req->crtc_id, DRM_MODE_OBJECT_CRTC); |
||
2224 | if (!obj) { |
||
1179 | serge | 2225 | DRM_DEBUG_KMS("Unknown CRTC ID %d\n", req->crtc_id); |
3480 | Serge | 2226 | return -EINVAL; |
1123 | serge | 2227 | } |
2228 | crtc = obj_to_crtc(obj); |
||
2229 | |||
3480 | Serge | 2230 | mutex_lock(&crtc->mutex); |
1123 | serge | 2231 | if (req->flags & DRM_MODE_CURSOR_BO) { |
2232 | if (!crtc->funcs->cursor_set) { |
||
2233 | ret = -ENXIO; |
||
2234 | goto out; |
||
2235 | } |
||
2236 | /* Turns off the cursor if handle is 0 */ |
||
2237 | ret = crtc->funcs->cursor_set(crtc, file_priv, req->handle, |
||
2238 | req->width, req->height); |
||
2239 | } |
||
2240 | |||
2241 | if (req->flags & DRM_MODE_CURSOR_MOVE) { |
||
2242 | if (crtc->funcs->cursor_move) { |
||
2243 | ret = crtc->funcs->cursor_move(crtc, req->x, req->y); |
||
2244 | } else { |
||
2245 | ret = -EFAULT; |
||
2246 | goto out; |
||
2247 | } |
||
2248 | } |
||
2249 | out: |
||
3480 | Serge | 2250 | mutex_unlock(&crtc->mutex); |
2251 | |||
1123 | serge | 2252 | return ret; |
2253 | } |
||
3031 | serge | 2254 | #endif |
2255 | /* Original addfb only supported RGB formats, so figure out which one */ |
||
2256 | uint32_t drm_mode_legacy_fb_format(uint32_t bpp, uint32_t depth) |
||
2257 | { |
||
2258 | uint32_t fmt; |
||
1123 | serge | 2259 | |
3031 | serge | 2260 | switch (bpp) { |
2261 | case 8: |
||
3480 | Serge | 2262 | fmt = DRM_FORMAT_C8; |
3031 | serge | 2263 | break; |
2264 | case 16: |
||
2265 | if (depth == 15) |
||
2266 | fmt = DRM_FORMAT_XRGB1555; |
||
2267 | else |
||
2268 | fmt = DRM_FORMAT_RGB565; |
||
2269 | break; |
||
2270 | case 24: |
||
2271 | fmt = DRM_FORMAT_RGB888; |
||
2272 | break; |
||
2273 | case 32: |
||
2274 | if (depth == 24) |
||
2275 | fmt = DRM_FORMAT_XRGB8888; |
||
2276 | else if (depth == 30) |
||
2277 | fmt = DRM_FORMAT_XRGB2101010; |
||
2278 | else |
||
2279 | fmt = DRM_FORMAT_ARGB8888; |
||
2280 | break; |
||
2281 | default: |
||
2282 | DRM_ERROR("bad bpp, assuming x8r8g8b8 pixel format\n"); |
||
2283 | fmt = DRM_FORMAT_XRGB8888; |
||
2284 | break; |
||
2285 | } |
||
2286 | |||
2287 | return fmt; |
||
2288 | } |
||
2289 | EXPORT_SYMBOL(drm_mode_legacy_fb_format); |
||
2290 | #if 0 |
||
1123 | serge | 2291 | /** |
2292 | * drm_mode_addfb - add an FB to the graphics configuration |
||
3480 | Serge | 2293 | * @dev: drm device for the ioctl |
2294 | * @data: data pointer for the ioctl |
||
2295 | * @file_priv: drm file for the ioctl call |
||
1123 | serge | 2296 | * |
2297 | * Add a new FB to the specified CRTC, given a user request. |
||
2298 | * |
||
2299 | * Called by the user via ioctl. |
||
2300 | * |
||
2301 | * RETURNS: |
||
2302 | * Zero on success, errno on failure. |
||
2303 | */ |
||
2304 | int drm_mode_addfb(struct drm_device *dev, |
||
2305 | void *data, struct drm_file *file_priv) |
||
2306 | { |
||
3031 | serge | 2307 | struct drm_mode_fb_cmd *or = data; |
2308 | struct drm_mode_fb_cmd2 r = {}; |
||
1123 | serge | 2309 | struct drm_mode_config *config = &dev->mode_config; |
2310 | struct drm_framebuffer *fb; |
||
2311 | int ret = 0; |
||
2312 | |||
3031 | serge | 2313 | /* Use new struct with format internally */ |
2314 | r.fb_id = or->fb_id; |
||
2315 | r.width = or->width; |
||
2316 | r.height = or->height; |
||
2317 | r.pitches[0] = or->pitch; |
||
2318 | r.pixel_format = drm_mode_legacy_fb_format(or->bpp, or->depth); |
||
2319 | r.handles[0] = or->handle; |
||
2320 | |||
1963 | serge | 2321 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2322 | return -EINVAL; |
||
2323 | |||
3031 | serge | 2324 | if ((config->min_width > r.width) || (r.width > config->max_width)) |
2325 | return -EINVAL; |
||
2326 | |||
2327 | if ((config->min_height > r.height) || (r.height > config->max_height)) |
||
2328 | return -EINVAL; |
||
2329 | |||
2330 | fb = dev->mode_config.funcs->fb_create(dev, file_priv, &r); |
||
2331 | if (IS_ERR(fb)) { |
||
2332 | DRM_DEBUG_KMS("could not create framebuffer\n"); |
||
3480 | Serge | 2333 | return PTR_ERR(fb); |
3031 | serge | 2334 | } |
2335 | |||
3480 | Serge | 2336 | mutex_lock(&file_priv->fbs_lock); |
3031 | serge | 2337 | or->fb_id = fb->base.id; |
2338 | list_add(&fb->filp_head, &file_priv->fbs); |
||
2339 | DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id); |
||
3480 | Serge | 2340 | mutex_unlock(&file_priv->fbs_lock); |
3031 | serge | 2341 | |
2342 | return ret; |
||
2343 | } |
||
2344 | |||
2345 | static int format_check(const struct drm_mode_fb_cmd2 *r) |
||
2346 | { |
||
2347 | uint32_t format = r->pixel_format & ~DRM_FORMAT_BIG_ENDIAN; |
||
2348 | |||
2349 | switch (format) { |
||
2350 | case DRM_FORMAT_C8: |
||
2351 | case DRM_FORMAT_RGB332: |
||
2352 | case DRM_FORMAT_BGR233: |
||
2353 | case DRM_FORMAT_XRGB4444: |
||
2354 | case DRM_FORMAT_XBGR4444: |
||
2355 | case DRM_FORMAT_RGBX4444: |
||
2356 | case DRM_FORMAT_BGRX4444: |
||
2357 | case DRM_FORMAT_ARGB4444: |
||
2358 | case DRM_FORMAT_ABGR4444: |
||
2359 | case DRM_FORMAT_RGBA4444: |
||
2360 | case DRM_FORMAT_BGRA4444: |
||
2361 | case DRM_FORMAT_XRGB1555: |
||
2362 | case DRM_FORMAT_XBGR1555: |
||
2363 | case DRM_FORMAT_RGBX5551: |
||
2364 | case DRM_FORMAT_BGRX5551: |
||
2365 | case DRM_FORMAT_ARGB1555: |
||
2366 | case DRM_FORMAT_ABGR1555: |
||
2367 | case DRM_FORMAT_RGBA5551: |
||
2368 | case DRM_FORMAT_BGRA5551: |
||
2369 | case DRM_FORMAT_RGB565: |
||
2370 | case DRM_FORMAT_BGR565: |
||
2371 | case DRM_FORMAT_RGB888: |
||
2372 | case DRM_FORMAT_BGR888: |
||
2373 | case DRM_FORMAT_XRGB8888: |
||
2374 | case DRM_FORMAT_XBGR8888: |
||
2375 | case DRM_FORMAT_RGBX8888: |
||
2376 | case DRM_FORMAT_BGRX8888: |
||
2377 | case DRM_FORMAT_ARGB8888: |
||
2378 | case DRM_FORMAT_ABGR8888: |
||
2379 | case DRM_FORMAT_RGBA8888: |
||
2380 | case DRM_FORMAT_BGRA8888: |
||
2381 | case DRM_FORMAT_XRGB2101010: |
||
2382 | case DRM_FORMAT_XBGR2101010: |
||
2383 | case DRM_FORMAT_RGBX1010102: |
||
2384 | case DRM_FORMAT_BGRX1010102: |
||
2385 | case DRM_FORMAT_ARGB2101010: |
||
2386 | case DRM_FORMAT_ABGR2101010: |
||
2387 | case DRM_FORMAT_RGBA1010102: |
||
2388 | case DRM_FORMAT_BGRA1010102: |
||
2389 | case DRM_FORMAT_YUYV: |
||
2390 | case DRM_FORMAT_YVYU: |
||
2391 | case DRM_FORMAT_UYVY: |
||
2392 | case DRM_FORMAT_VYUY: |
||
2393 | case DRM_FORMAT_AYUV: |
||
2394 | case DRM_FORMAT_NV12: |
||
2395 | case DRM_FORMAT_NV21: |
||
2396 | case DRM_FORMAT_NV16: |
||
2397 | case DRM_FORMAT_NV61: |
||
2398 | case DRM_FORMAT_NV24: |
||
2399 | case DRM_FORMAT_NV42: |
||
2400 | case DRM_FORMAT_YUV410: |
||
2401 | case DRM_FORMAT_YVU410: |
||
2402 | case DRM_FORMAT_YUV411: |
||
2403 | case DRM_FORMAT_YVU411: |
||
2404 | case DRM_FORMAT_YUV420: |
||
2405 | case DRM_FORMAT_YVU420: |
||
2406 | case DRM_FORMAT_YUV422: |
||
2407 | case DRM_FORMAT_YVU422: |
||
2408 | case DRM_FORMAT_YUV444: |
||
2409 | case DRM_FORMAT_YVU444: |
||
2410 | return 0; |
||
2411 | default: |
||
2412 | return -EINVAL; |
||
2413 | } |
||
2414 | } |
||
2415 | |||
2416 | static int framebuffer_check(const struct drm_mode_fb_cmd2 *r) |
||
2417 | { |
||
2418 | int ret, hsub, vsub, num_planes, i; |
||
2419 | |||
2420 | ret = format_check(r); |
||
2421 | if (ret) { |
||
2422 | DRM_DEBUG_KMS("bad framebuffer format 0x%08x\n", r->pixel_format); |
||
2423 | return ret; |
||
2424 | } |
||
2425 | |||
2426 | hsub = drm_format_horz_chroma_subsampling(r->pixel_format); |
||
2427 | vsub = drm_format_vert_chroma_subsampling(r->pixel_format); |
||
2428 | num_planes = drm_format_num_planes(r->pixel_format); |
||
2429 | |||
2430 | if (r->width == 0 || r->width % hsub) { |
||
2431 | DRM_DEBUG_KMS("bad framebuffer width %u\n", r->height); |
||
2432 | return -EINVAL; |
||
2433 | } |
||
2434 | |||
2435 | if (r->height == 0 || r->height % vsub) { |
||
2436 | DRM_DEBUG_KMS("bad framebuffer height %u\n", r->height); |
||
2437 | return -EINVAL; |
||
2438 | } |
||
2439 | |||
2440 | for (i = 0; i < num_planes; i++) { |
||
2441 | unsigned int width = r->width / (i != 0 ? hsub : 1); |
||
3192 | Serge | 2442 | unsigned int height = r->height / (i != 0 ? vsub : 1); |
2443 | unsigned int cpp = drm_format_plane_cpp(r->pixel_format, i); |
||
3031 | serge | 2444 | |
2445 | if (!r->handles[i]) { |
||
2446 | DRM_DEBUG_KMS("no buffer object handle for plane %d\n", i); |
||
2447 | return -EINVAL; |
||
2448 | } |
||
2449 | |||
3192 | Serge | 2450 | if ((uint64_t) width * cpp > UINT_MAX) |
2451 | return -ERANGE; |
||
2452 | |||
2453 | if ((uint64_t) height * r->pitches[i] + r->offsets[i] > UINT_MAX) |
||
2454 | return -ERANGE; |
||
2455 | |||
2456 | if (r->pitches[i] < width * cpp) { |
||
3031 | serge | 2457 | DRM_DEBUG_KMS("bad pitch %u for plane %d\n", r->pitches[i], i); |
2458 | return -EINVAL; |
||
2459 | } |
||
2460 | } |
||
2461 | |||
2462 | return 0; |
||
2463 | } |
||
2464 | |||
2465 | /** |
||
2466 | * drm_mode_addfb2 - add an FB to the graphics configuration |
||
3480 | Serge | 2467 | * @dev: drm device for the ioctl |
2468 | * @data: data pointer for the ioctl |
||
2469 | * @file_priv: drm file for the ioctl call |
||
3031 | serge | 2470 | * |
2471 | * Add a new FB to the specified CRTC, given a user request with format. |
||
2472 | * |
||
2473 | * Called by the user via ioctl. |
||
2474 | * |
||
2475 | * RETURNS: |
||
2476 | * Zero on success, errno on failure. |
||
2477 | */ |
||
2478 | int drm_mode_addfb2(struct drm_device *dev, |
||
2479 | void *data, struct drm_file *file_priv) |
||
2480 | { |
||
2481 | struct drm_mode_fb_cmd2 *r = data; |
||
2482 | struct drm_mode_config *config = &dev->mode_config; |
||
2483 | struct drm_framebuffer *fb; |
||
2484 | int ret; |
||
2485 | |||
2486 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
||
2487 | return -EINVAL; |
||
2488 | |||
3192 | Serge | 2489 | if (r->flags & ~DRM_MODE_FB_INTERLACED) { |
2490 | DRM_DEBUG_KMS("bad framebuffer flags 0x%08x\n", r->flags); |
||
2491 | return -EINVAL; |
||
2492 | } |
||
2493 | |||
1123 | serge | 2494 | if ((config->min_width > r->width) || (r->width > config->max_width)) { |
3031 | serge | 2495 | DRM_DEBUG_KMS("bad framebuffer width %d, should be >= %d && <= %d\n", |
2496 | r->width, config->min_width, config->max_width); |
||
1123 | serge | 2497 | return -EINVAL; |
2498 | } |
||
2499 | if ((config->min_height > r->height) || (r->height > config->max_height)) { |
||
3031 | serge | 2500 | DRM_DEBUG_KMS("bad framebuffer height %d, should be >= %d && <= %d\n", |
2501 | r->height, config->min_height, config->max_height); |
||
1123 | serge | 2502 | return -EINVAL; |
2503 | } |
||
2504 | |||
3031 | serge | 2505 | ret = framebuffer_check(r); |
2506 | if (ret) |
||
2507 | return ret; |
||
2508 | |||
1123 | serge | 2509 | fb = dev->mode_config.funcs->fb_create(dev, file_priv, r); |
1963 | serge | 2510 | if (IS_ERR(fb)) { |
3031 | serge | 2511 | DRM_DEBUG_KMS("could not create framebuffer\n"); |
3480 | Serge | 2512 | return PTR_ERR(fb); |
1123 | serge | 2513 | } |
2514 | |||
3480 | Serge | 2515 | mutex_lock(&file_priv->fbs_lock); |
1123 | serge | 2516 | r->fb_id = fb->base.id; |
2517 | list_add(&fb->filp_head, &file_priv->fbs); |
||
1963 | serge | 2518 | DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id); |
3480 | Serge | 2519 | mutex_unlock(&file_priv->fbs_lock); |
1123 | serge | 2520 | |
3480 | Serge | 2521 | |
1123 | serge | 2522 | return ret; |
2523 | } |
||
2524 | |||
2525 | /** |
||
2526 | * drm_mode_rmfb - remove an FB from the configuration |
||
3480 | Serge | 2527 | * @dev: drm device for the ioctl |
2528 | * @data: data pointer for the ioctl |
||
2529 | * @file_priv: drm file for the ioctl call |
||
1123 | serge | 2530 | * |
2531 | * Remove the FB specified by the user. |
||
2532 | * |
||
2533 | * Called by the user via ioctl. |
||
2534 | * |
||
2535 | * RETURNS: |
||
2536 | * Zero on success, errno on failure. |
||
2537 | */ |
||
2538 | int drm_mode_rmfb(struct drm_device *dev, |
||
2539 | void *data, struct drm_file *file_priv) |
||
2540 | { |
||
2541 | struct drm_framebuffer *fb = NULL; |
||
2542 | struct drm_framebuffer *fbl = NULL; |
||
2543 | uint32_t *id = data; |
||
2544 | int found = 0; |
||
2545 | |||
1963 | serge | 2546 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2547 | return -EINVAL; |
||
2548 | |||
3480 | Serge | 2549 | mutex_lock(&file_priv->fbs_lock); |
2550 | mutex_lock(&dev->mode_config.fb_lock); |
||
2551 | fb = __drm_framebuffer_lookup(dev, *id); |
||
2552 | if (!fb) |
||
2553 | goto fail_lookup; |
||
1123 | serge | 2554 | |
2555 | list_for_each_entry(fbl, &file_priv->fbs, filp_head) |
||
2556 | if (fb == fbl) |
||
2557 | found = 1; |
||
3480 | Serge | 2558 | if (!found) |
2559 | goto fail_lookup; |
||
1123 | serge | 2560 | |
3480 | Serge | 2561 | /* Mark fb as reaped, we still have a ref from fpriv->fbs. */ |
2562 | __drm_framebuffer_unregister(dev, fb); |
||
1123 | serge | 2563 | |
3480 | Serge | 2564 | list_del_init(&fb->filp_head); |
2565 | mutex_unlock(&dev->mode_config.fb_lock); |
||
2566 | mutex_unlock(&file_priv->fbs_lock); |
||
2567 | |||
3031 | serge | 2568 | drm_framebuffer_remove(fb); |
1123 | serge | 2569 | |
3480 | Serge | 2570 | return 0; |
2571 | |||
2572 | fail_lookup: |
||
2573 | mutex_unlock(&dev->mode_config.fb_lock); |
||
2574 | mutex_unlock(&file_priv->fbs_lock); |
||
2575 | |||
2576 | return -EINVAL; |
||
1123 | serge | 2577 | } |
2578 | |||
2579 | /** |
||
2580 | * drm_mode_getfb - get FB info |
||
3480 | Serge | 2581 | * @dev: drm device for the ioctl |
2582 | * @data: data pointer for the ioctl |
||
2583 | * @file_priv: drm file for the ioctl call |
||
1123 | serge | 2584 | * |
2585 | * Lookup the FB given its ID and return info about it. |
||
2586 | * |
||
2587 | * Called by the user via ioctl. |
||
2588 | * |
||
2589 | * RETURNS: |
||
2590 | * Zero on success, errno on failure. |
||
2591 | */ |
||
2592 | int drm_mode_getfb(struct drm_device *dev, |
||
2593 | void *data, struct drm_file *file_priv) |
||
2594 | { |
||
2595 | struct drm_mode_fb_cmd *r = data; |
||
2596 | struct drm_framebuffer *fb; |
||
3480 | Serge | 2597 | int ret; |
1123 | serge | 2598 | |
1963 | serge | 2599 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2600 | return -EINVAL; |
||
2601 | |||
3480 | Serge | 2602 | fb = drm_framebuffer_lookup(dev, r->fb_id); |
2603 | if (!fb) |
||
2604 | return -EINVAL; |
||
1123 | serge | 2605 | |
2606 | r->height = fb->height; |
||
2607 | r->width = fb->width; |
||
2608 | r->depth = fb->depth; |
||
2609 | r->bpp = fb->bits_per_pixel; |
||
3031 | serge | 2610 | r->pitch = fb->pitches[0]; |
3480 | Serge | 2611 | if (fb->funcs->create_handle) |
2612 | ret = fb->funcs->create_handle(fb, file_priv, &r->handle); |
||
2613 | else |
||
2614 | ret = -ENODEV; |
||
1123 | serge | 2615 | |
3480 | Serge | 2616 | drm_framebuffer_unreference(fb); |
2617 | |||
1123 | serge | 2618 | return ret; |
2619 | } |
||
2620 | |||
1412 | serge | 2621 | int drm_mode_dirtyfb_ioctl(struct drm_device *dev, |
2622 | void *data, struct drm_file *file_priv) |
||
2623 | { |
||
2624 | struct drm_clip_rect __user *clips_ptr; |
||
2625 | struct drm_clip_rect *clips = NULL; |
||
2626 | struct drm_mode_fb_dirty_cmd *r = data; |
||
2627 | struct drm_framebuffer *fb; |
||
2628 | unsigned flags; |
||
2629 | int num_clips; |
||
3031 | serge | 2630 | int ret; |
1412 | serge | 2631 | |
1963 | serge | 2632 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2633 | return -EINVAL; |
||
2634 | |||
3480 | Serge | 2635 | fb = drm_framebuffer_lookup(dev, r->fb_id); |
2636 | if (!fb) |
||
2637 | return -EINVAL; |
||
1412 | serge | 2638 | |
2639 | num_clips = r->num_clips; |
||
3031 | serge | 2640 | clips_ptr = (struct drm_clip_rect __user *)(unsigned long)r->clips_ptr; |
1412 | serge | 2641 | |
2642 | if (!num_clips != !clips_ptr) { |
||
2643 | ret = -EINVAL; |
||
2644 | goto out_err1; |
||
2645 | } |
||
2646 | |||
2647 | flags = DRM_MODE_FB_DIRTY_FLAGS & r->flags; |
||
2648 | |||
2649 | /* If userspace annotates copy, clips must come in pairs */ |
||
2650 | if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY && (num_clips % 2)) { |
||
2651 | ret = -EINVAL; |
||
2652 | goto out_err1; |
||
2653 | } |
||
2654 | |||
2655 | if (num_clips && clips_ptr) { |
||
3031 | serge | 2656 | if (num_clips < 0 || num_clips > DRM_MODE_FB_DIRTY_MAX_CLIPS) { |
2657 | ret = -EINVAL; |
||
2658 | goto out_err1; |
||
2659 | } |
||
1412 | serge | 2660 | clips = kzalloc(num_clips * sizeof(*clips), GFP_KERNEL); |
2661 | if (!clips) { |
||
2662 | ret = -ENOMEM; |
||
2663 | goto out_err1; |
||
2664 | } |
||
2665 | |||
2666 | ret = copy_from_user(clips, clips_ptr, |
||
2667 | num_clips * sizeof(*clips)); |
||
1963 | serge | 2668 | if (ret) { |
2669 | ret = -EFAULT; |
||
1412 | serge | 2670 | goto out_err2; |
2671 | } |
||
1963 | serge | 2672 | } |
1412 | serge | 2673 | |
2674 | if (fb->funcs->dirty) { |
||
3480 | Serge | 2675 | drm_modeset_lock_all(dev); |
1963 | serge | 2676 | ret = fb->funcs->dirty(fb, file_priv, flags, r->color, |
2677 | clips, num_clips); |
||
3480 | Serge | 2678 | drm_modeset_unlock_all(dev); |
1412 | serge | 2679 | } else { |
2680 | ret = -ENOSYS; |
||
2681 | } |
||
2682 | |||
2683 | out_err2: |
||
2684 | kfree(clips); |
||
2685 | out_err1: |
||
3480 | Serge | 2686 | drm_framebuffer_unreference(fb); |
2687 | |||
1412 | serge | 2688 | return ret; |
2689 | } |
||
2690 | |||
2691 | |||
1123 | serge | 2692 | /** |
2693 | * drm_fb_release - remove and free the FBs on this file |
||
3480 | Serge | 2694 | * @priv: drm file for the ioctl |
1123 | serge | 2695 | * |
2696 | * Destroy all the FBs associated with @filp. |
||
2697 | * |
||
2698 | * Called by the user via ioctl. |
||
2699 | * |
||
2700 | * RETURNS: |
||
2701 | * Zero on success, errno on failure. |
||
2702 | */ |
||
2703 | void drm_fb_release(struct drm_file *priv) |
||
2704 | { |
||
2705 | struct drm_device *dev = priv->minor->dev; |
||
2706 | struct drm_framebuffer *fb, *tfb; |
||
2707 | |||
3480 | Serge | 2708 | mutex_lock(&priv->fbs_lock); |
1123 | serge | 2709 | list_for_each_entry_safe(fb, tfb, &priv->fbs, filp_head) { |
3480 | Serge | 2710 | |
2711 | mutex_lock(&dev->mode_config.fb_lock); |
||
2712 | /* Mark fb as reaped, we still have a ref from fpriv->fbs. */ |
||
2713 | __drm_framebuffer_unregister(dev, fb); |
||
2714 | mutex_unlock(&dev->mode_config.fb_lock); |
||
2715 | |||
2716 | list_del_init(&fb->filp_head); |
||
2717 | |||
2718 | /* This will also drop the fpriv->fbs reference. */ |
||
3031 | serge | 2719 | drm_framebuffer_remove(fb); |
1123 | serge | 2720 | } |
3480 | Serge | 2721 | mutex_unlock(&priv->fbs_lock); |
1123 | serge | 2722 | } |
2723 | #endif |
||
2724 | |||
2725 | /** |
||
2726 | * drm_mode_attachmode - add a mode to the user mode list |
||
2727 | * @dev: DRM device |
||
2728 | * @connector: connector to add the mode to |
||
2729 | * @mode: mode to add |
||
2730 | * |
||
2731 | * Add @mode to @connector's user mode list. |
||
2732 | */ |
||
3031 | serge | 2733 | static void drm_mode_attachmode(struct drm_device *dev, |
1123 | serge | 2734 | struct drm_connector *connector, |
2735 | struct drm_display_mode *mode) |
||
2736 | { |
||
2737 | list_add_tail(&mode->head, &connector->user_modes); |
||
2738 | } |
||
2739 | |||
2740 | int drm_mode_attachmode_crtc(struct drm_device *dev, struct drm_crtc *crtc, |
||
3031 | serge | 2741 | const struct drm_display_mode *mode) |
1123 | serge | 2742 | { |
2743 | struct drm_connector *connector; |
||
2744 | int ret = 0; |
||
3031 | serge | 2745 | struct drm_display_mode *dup_mode, *next; |
2746 | LIST_HEAD(list); |
||
2747 | |||
1123 | serge | 2748 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { |
2749 | if (!connector->encoder) |
||
3031 | serge | 2750 | continue; |
1123 | serge | 2751 | if (connector->encoder->crtc == crtc) { |
2752 | dup_mode = drm_mode_duplicate(dev, mode); |
||
3031 | serge | 2753 | if (!dup_mode) { |
2754 | ret = -ENOMEM; |
||
2755 | goto out; |
||
1123 | serge | 2756 | } |
3031 | serge | 2757 | list_add_tail(&dup_mode->head, &list); |
2758 | } |
||
1123 | serge | 2759 | } |
3031 | serge | 2760 | |
2761 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { |
||
2762 | if (!connector->encoder) |
||
2763 | continue; |
||
2764 | if (connector->encoder->crtc == crtc) |
||
2765 | list_move_tail(list.next, &connector->user_modes); |
||
2766 | } |
||
2767 | |||
2768 | WARN_ON(!list_empty(&list)); |
||
2769 | |||
2770 | out: |
||
2771 | list_for_each_entry_safe(dup_mode, next, &list, head) |
||
2772 | drm_mode_destroy(dev, dup_mode); |
||
2773 | |||
2774 | return ret; |
||
1123 | serge | 2775 | } |
2776 | EXPORT_SYMBOL(drm_mode_attachmode_crtc); |
||
2777 | |||
2778 | static int drm_mode_detachmode(struct drm_device *dev, |
||
2779 | struct drm_connector *connector, |
||
2780 | struct drm_display_mode *mode) |
||
2781 | { |
||
2782 | int found = 0; |
||
2783 | int ret = 0; |
||
2784 | struct drm_display_mode *match_mode, *t; |
||
2785 | |||
2786 | list_for_each_entry_safe(match_mode, t, &connector->user_modes, head) { |
||
2787 | if (drm_mode_equal(match_mode, mode)) { |
||
2788 | list_del(&match_mode->head); |
||
2789 | drm_mode_destroy(dev, match_mode); |
||
2790 | found = 1; |
||
2791 | break; |
||
2792 | } |
||
2793 | } |
||
2794 | |||
2795 | if (!found) |
||
2796 | ret = -EINVAL; |
||
2797 | |||
2798 | return ret; |
||
2799 | } |
||
2800 | |||
2801 | int drm_mode_detachmode_crtc(struct drm_device *dev, struct drm_display_mode *mode) |
||
2802 | { |
||
2803 | struct drm_connector *connector; |
||
2804 | |||
2805 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { |
||
2806 | drm_mode_detachmode(dev, connector, mode); |
||
2807 | } |
||
2808 | return 0; |
||
2809 | } |
||
2810 | EXPORT_SYMBOL(drm_mode_detachmode_crtc); |
||
2811 | |||
2812 | #if 0 |
||
2813 | |||
2814 | /** |
||
2815 | * drm_fb_attachmode - Attach a user mode to an connector |
||
3480 | Serge | 2816 | * @dev: drm device for the ioctl |
2817 | * @data: data pointer for the ioctl |
||
2818 | * @file_priv: drm file for the ioctl call |
||
1123 | serge | 2819 | * |
2820 | * This attaches a user specified mode to an connector. |
||
2821 | * Called by the user via ioctl. |
||
2822 | * |
||
2823 | * RETURNS: |
||
2824 | * Zero on success, errno on failure. |
||
2825 | */ |
||
2826 | int drm_mode_attachmode_ioctl(struct drm_device *dev, |
||
2827 | void *data, struct drm_file *file_priv) |
||
2828 | { |
||
2829 | struct drm_mode_mode_cmd *mode_cmd = data; |
||
2830 | struct drm_connector *connector; |
||
2831 | struct drm_display_mode *mode; |
||
2832 | struct drm_mode_object *obj; |
||
2833 | struct drm_mode_modeinfo *umode = &mode_cmd->mode; |
||
3031 | serge | 2834 | int ret; |
1123 | serge | 2835 | |
1963 | serge | 2836 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2837 | return -EINVAL; |
||
2838 | |||
3480 | Serge | 2839 | drm_modeset_lock_all(dev); |
1123 | serge | 2840 | |
2841 | obj = drm_mode_object_find(dev, mode_cmd->connector_id, DRM_MODE_OBJECT_CONNECTOR); |
||
2842 | if (!obj) { |
||
2843 | ret = -EINVAL; |
||
2844 | goto out; |
||
2845 | } |
||
2846 | connector = obj_to_connector(obj); |
||
2847 | |||
2848 | mode = drm_mode_create(dev); |
||
2849 | if (!mode) { |
||
2850 | ret = -ENOMEM; |
||
2851 | goto out; |
||
2852 | } |
||
2853 | |||
3031 | serge | 2854 | ret = drm_crtc_convert_umode(mode, umode); |
2855 | if (ret) { |
||
2856 | DRM_DEBUG_KMS("Invalid mode\n"); |
||
2857 | drm_mode_destroy(dev, mode); |
||
2858 | goto out; |
||
2859 | } |
||
1123 | serge | 2860 | |
3031 | serge | 2861 | drm_mode_attachmode(dev, connector, mode); |
1123 | serge | 2862 | out: |
3480 | Serge | 2863 | drm_modeset_unlock_all(dev); |
1123 | serge | 2864 | return ret; |
2865 | } |
||
2866 | |||
2867 | |||
2868 | /** |
||
2869 | * drm_fb_detachmode - Detach a user specified mode from an connector |
||
3480 | Serge | 2870 | * @dev: drm device for the ioctl |
2871 | * @data: data pointer for the ioctl |
||
2872 | * @file_priv: drm file for the ioctl call |
||
1123 | serge | 2873 | * |
2874 | * Called by the user via ioctl. |
||
2875 | * |
||
2876 | * RETURNS: |
||
2877 | * Zero on success, errno on failure. |
||
2878 | */ |
||
2879 | int drm_mode_detachmode_ioctl(struct drm_device *dev, |
||
2880 | void *data, struct drm_file *file_priv) |
||
2881 | { |
||
2882 | struct drm_mode_object *obj; |
||
2883 | struct drm_mode_mode_cmd *mode_cmd = data; |
||
2884 | struct drm_connector *connector; |
||
2885 | struct drm_display_mode mode; |
||
2886 | struct drm_mode_modeinfo *umode = &mode_cmd->mode; |
||
3031 | serge | 2887 | int ret; |
1123 | serge | 2888 | |
1963 | serge | 2889 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2890 | return -EINVAL; |
||
2891 | |||
3480 | Serge | 2892 | drm_modeset_lock_all(dev); |
1123 | serge | 2893 | |
2894 | obj = drm_mode_object_find(dev, mode_cmd->connector_id, DRM_MODE_OBJECT_CONNECTOR); |
||
2895 | if (!obj) { |
||
2896 | ret = -EINVAL; |
||
2897 | goto out; |
||
2898 | } |
||
2899 | connector = obj_to_connector(obj); |
||
2900 | |||
3031 | serge | 2901 | ret = drm_crtc_convert_umode(&mode, umode); |
2902 | if (ret) { |
||
2903 | DRM_DEBUG_KMS("Invalid mode\n"); |
||
2904 | goto out; |
||
2905 | } |
||
2906 | |||
1123 | serge | 2907 | ret = drm_mode_detachmode(dev, connector, &mode); |
2908 | out: |
||
3480 | Serge | 2909 | drm_modeset_unlock_all(dev); |
1123 | serge | 2910 | return ret; |
2911 | } |
||
2912 | #endif |
||
2913 | |||
2914 | struct drm_property *drm_property_create(struct drm_device *dev, int flags, |
||
2915 | const char *name, int num_values) |
||
2916 | { |
||
2917 | struct drm_property *property = NULL; |
||
3031 | serge | 2918 | int ret; |
1123 | serge | 2919 | |
2920 | property = kzalloc(sizeof(struct drm_property), GFP_KERNEL); |
||
2921 | if (!property) |
||
2922 | return NULL; |
||
2923 | |||
2924 | if (num_values) { |
||
2925 | property->values = kzalloc(sizeof(uint64_t)*num_values, GFP_KERNEL); |
||
2926 | if (!property->values) |
||
2927 | goto fail; |
||
2928 | } |
||
2929 | |||
3031 | serge | 2930 | ret = drm_mode_object_get(dev, &property->base, DRM_MODE_OBJECT_PROPERTY); |
2931 | if (ret) |
||
2932 | goto fail; |
||
2933 | |||
1123 | serge | 2934 | property->flags = flags; |
2935 | property->num_values = num_values; |
||
2936 | INIT_LIST_HEAD(&property->enum_blob_list); |
||
2937 | |||
3031 | serge | 2938 | if (name) { |
1123 | serge | 2939 | strncpy(property->name, name, DRM_PROP_NAME_LEN); |
3031 | serge | 2940 | property->name[DRM_PROP_NAME_LEN-1] = '\0'; |
2941 | } |
||
1123 | serge | 2942 | |
2943 | list_add_tail(&property->head, &dev->mode_config.property_list); |
||
2944 | return property; |
||
2945 | fail: |
||
3031 | serge | 2946 | kfree(property->values); |
1123 | serge | 2947 | kfree(property); |
2948 | return NULL; |
||
2949 | } |
||
2950 | EXPORT_SYMBOL(drm_property_create); |
||
2951 | |||
3031 | serge | 2952 | struct drm_property *drm_property_create_enum(struct drm_device *dev, int flags, |
2953 | const char *name, |
||
2954 | const struct drm_prop_enum_list *props, |
||
2955 | int num_values) |
||
2956 | { |
||
2957 | struct drm_property *property; |
||
2958 | int i, ret; |
||
2959 | |||
2960 | flags |= DRM_MODE_PROP_ENUM; |
||
2961 | |||
2962 | property = drm_property_create(dev, flags, name, num_values); |
||
2963 | if (!property) |
||
2964 | return NULL; |
||
2965 | |||
2966 | for (i = 0; i < num_values; i++) { |
||
2967 | ret = drm_property_add_enum(property, i, |
||
2968 | props[i].type, |
||
2969 | props[i].name); |
||
2970 | if (ret) { |
||
2971 | drm_property_destroy(dev, property); |
||
2972 | return NULL; |
||
2973 | } |
||
2974 | } |
||
2975 | |||
2976 | return property; |
||
2977 | } |
||
2978 | EXPORT_SYMBOL(drm_property_create_enum); |
||
2979 | |||
2980 | struct drm_property *drm_property_create_bitmask(struct drm_device *dev, |
||
2981 | int flags, const char *name, |
||
2982 | const struct drm_prop_enum_list *props, |
||
2983 | int num_values) |
||
2984 | { |
||
2985 | struct drm_property *property; |
||
2986 | int i, ret; |
||
2987 | |||
2988 | flags |= DRM_MODE_PROP_BITMASK; |
||
2989 | |||
2990 | property = drm_property_create(dev, flags, name, num_values); |
||
2991 | if (!property) |
||
2992 | return NULL; |
||
2993 | |||
2994 | for (i = 0; i < num_values; i++) { |
||
2995 | ret = drm_property_add_enum(property, i, |
||
2996 | props[i].type, |
||
2997 | props[i].name); |
||
2998 | if (ret) { |
||
2999 | drm_property_destroy(dev, property); |
||
3000 | return NULL; |
||
3001 | } |
||
3002 | } |
||
3003 | |||
3004 | return property; |
||
3005 | } |
||
3006 | EXPORT_SYMBOL(drm_property_create_bitmask); |
||
3007 | |||
3008 | struct drm_property *drm_property_create_range(struct drm_device *dev, int flags, |
||
3009 | const char *name, |
||
3010 | uint64_t min, uint64_t max) |
||
3011 | { |
||
3012 | struct drm_property *property; |
||
3013 | |||
3014 | flags |= DRM_MODE_PROP_RANGE; |
||
3015 | |||
3016 | property = drm_property_create(dev, flags, name, 2); |
||
3017 | if (!property) |
||
3018 | return NULL; |
||
3019 | |||
3020 | property->values[0] = min; |
||
3021 | property->values[1] = max; |
||
3022 | |||
3023 | return property; |
||
3024 | } |
||
3025 | EXPORT_SYMBOL(drm_property_create_range); |
||
3026 | |||
1123 | serge | 3027 | int drm_property_add_enum(struct drm_property *property, int index, |
3028 | uint64_t value, const char *name) |
||
3029 | { |
||
3030 | struct drm_property_enum *prop_enum; |
||
3031 | |||
3031 | serge | 3032 | if (!(property->flags & (DRM_MODE_PROP_ENUM | DRM_MODE_PROP_BITMASK))) |
1123 | serge | 3033 | return -EINVAL; |
3034 | |||
3031 | serge | 3035 | /* |
3036 | * Bitmask enum properties have the additional constraint of values |
||
3037 | * from 0 to 63 |
||
3038 | */ |
||
3039 | if ((property->flags & DRM_MODE_PROP_BITMASK) && (value > 63)) |
||
3040 | return -EINVAL; |
||
3041 | |||
1123 | serge | 3042 | if (!list_empty(&property->enum_blob_list)) { |
3043 | list_for_each_entry(prop_enum, &property->enum_blob_list, head) { |
||
3044 | if (prop_enum->value == value) { |
||
3045 | strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); |
||
3046 | prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; |
||
3047 | return 0; |
||
3048 | } |
||
3049 | } |
||
3050 | } |
||
3051 | |||
3052 | prop_enum = kzalloc(sizeof(struct drm_property_enum), GFP_KERNEL); |
||
3053 | if (!prop_enum) |
||
3054 | return -ENOMEM; |
||
3055 | |||
3056 | strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); |
||
3057 | prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; |
||
3058 | prop_enum->value = value; |
||
3059 | |||
3060 | property->values[index] = value; |
||
3061 | list_add_tail(&prop_enum->head, &property->enum_blob_list); |
||
3062 | return 0; |
||
3063 | } |
||
3064 | EXPORT_SYMBOL(drm_property_add_enum); |
||
3065 | |||
3066 | void drm_property_destroy(struct drm_device *dev, struct drm_property *property) |
||
3067 | { |
||
3068 | struct drm_property_enum *prop_enum, *pt; |
||
3069 | |||
3070 | list_for_each_entry_safe(prop_enum, pt, &property->enum_blob_list, head) { |
||
3071 | list_del(&prop_enum->head); |
||
3072 | kfree(prop_enum); |
||
3073 | } |
||
3074 | |||
3075 | if (property->num_values) |
||
3076 | kfree(property->values); |
||
3077 | drm_mode_object_put(dev, &property->base); |
||
3078 | list_del(&property->head); |
||
3079 | kfree(property); |
||
3080 | } |
||
3081 | EXPORT_SYMBOL(drm_property_destroy); |
||
3082 | |||
3031 | serge | 3083 | void drm_object_attach_property(struct drm_mode_object *obj, |
3084 | struct drm_property *property, |
||
3085 | uint64_t init_val) |
||
3086 | { |
||
3087 | int count = obj->properties->count; |
||
3088 | |||
3089 | if (count == DRM_OBJECT_MAX_PROPERTY) { |
||
3090 | WARN(1, "Failed to attach object property (type: 0x%x). Please " |
||
3091 | "increase DRM_OBJECT_MAX_PROPERTY by 1 for each time " |
||
3092 | "you see this message on the same object type.\n", |
||
3093 | obj->type); |
||
3094 | return; |
||
3095 | } |
||
3096 | |||
3097 | obj->properties->ids[count] = property->base.id; |
||
3098 | obj->properties->values[count] = init_val; |
||
3099 | obj->properties->count++; |
||
3100 | } |
||
3101 | EXPORT_SYMBOL(drm_object_attach_property); |
||
3102 | |||
3103 | int drm_object_property_set_value(struct drm_mode_object *obj, |
||
3104 | struct drm_property *property, uint64_t val) |
||
3105 | { |
||
1123 | serge | 3106 | int i; |
3107 | |||
3031 | serge | 3108 | for (i = 0; i < obj->properties->count; i++) { |
3109 | if (obj->properties->ids[i] == property->base.id) { |
||
3110 | obj->properties->values[i] = val; |
||
3111 | return 0; |
||
1123 | serge | 3112 | } |
3113 | } |
||
3114 | |||
3115 | return -EINVAL; |
||
3116 | } |
||
3031 | serge | 3117 | EXPORT_SYMBOL(drm_object_property_set_value); |
1123 | serge | 3118 | |
3031 | serge | 3119 | int drm_object_property_get_value(struct drm_mode_object *obj, |
1123 | serge | 3120 | struct drm_property *property, uint64_t *val) |
3121 | { |
||
3122 | int i; |
||
3123 | |||
3031 | serge | 3124 | for (i = 0; i < obj->properties->count; i++) { |
3125 | if (obj->properties->ids[i] == property->base.id) { |
||
3126 | *val = obj->properties->values[i]; |
||
3127 | return 0; |
||
1123 | serge | 3128 | } |
3129 | } |
||
3130 | |||
3131 | return -EINVAL; |
||
3132 | } |
||
3031 | serge | 3133 | EXPORT_SYMBOL(drm_object_property_get_value); |
1123 | serge | 3134 | |
3135 | #if 0 |
||
3136 | int drm_mode_getproperty_ioctl(struct drm_device *dev, |
||
3137 | void *data, struct drm_file *file_priv) |
||
3138 | { |
||
3139 | struct drm_mode_object *obj; |
||
3140 | struct drm_mode_get_property *out_resp = data; |
||
3141 | struct drm_property *property; |
||
3142 | int enum_count = 0; |
||
3143 | int blob_count = 0; |
||
3144 | int value_count = 0; |
||
3145 | int ret = 0, i; |
||
3146 | int copied; |
||
3147 | struct drm_property_enum *prop_enum; |
||
3148 | struct drm_mode_property_enum __user *enum_ptr; |
||
3149 | struct drm_property_blob *prop_blob; |
||
3031 | serge | 3150 | uint32_t __user *blob_id_ptr; |
1123 | serge | 3151 | uint64_t __user *values_ptr; |
3152 | uint32_t __user *blob_length_ptr; |
||
3153 | |||
1963 | serge | 3154 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
3155 | return -EINVAL; |
||
3156 | |||
3480 | Serge | 3157 | drm_modeset_lock_all(dev); |
1123 | serge | 3158 | obj = drm_mode_object_find(dev, out_resp->prop_id, DRM_MODE_OBJECT_PROPERTY); |
3159 | if (!obj) { |
||
3160 | ret = -EINVAL; |
||
3161 | goto done; |
||
3162 | } |
||
3163 | property = obj_to_property(obj); |
||
3164 | |||
3031 | serge | 3165 | if (property->flags & (DRM_MODE_PROP_ENUM | DRM_MODE_PROP_BITMASK)) { |
1123 | serge | 3166 | list_for_each_entry(prop_enum, &property->enum_blob_list, head) |
3167 | enum_count++; |
||
3168 | } else if (property->flags & DRM_MODE_PROP_BLOB) { |
||
3169 | list_for_each_entry(prop_blob, &property->enum_blob_list, head) |
||
3170 | blob_count++; |
||
3171 | } |
||
3172 | |||
3173 | value_count = property->num_values; |
||
3174 | |||
3175 | strncpy(out_resp->name, property->name, DRM_PROP_NAME_LEN); |
||
3176 | out_resp->name[DRM_PROP_NAME_LEN-1] = 0; |
||
3177 | out_resp->flags = property->flags; |
||
3178 | |||
3179 | if ((out_resp->count_values >= value_count) && value_count) { |
||
3031 | serge | 3180 | values_ptr = (uint64_t __user *)(unsigned long)out_resp->values_ptr; |
1123 | serge | 3181 | for (i = 0; i < value_count; i++) { |
3182 | if (copy_to_user(values_ptr + i, &property->values[i], sizeof(uint64_t))) { |
||
3183 | ret = -EFAULT; |
||
3184 | goto done; |
||
3185 | } |
||
3186 | } |
||
3187 | } |
||
3188 | out_resp->count_values = value_count; |
||
3189 | |||
3031 | serge | 3190 | if (property->flags & (DRM_MODE_PROP_ENUM | DRM_MODE_PROP_BITMASK)) { |
1123 | serge | 3191 | if ((out_resp->count_enum_blobs >= enum_count) && enum_count) { |
3192 | copied = 0; |
||
3031 | serge | 3193 | enum_ptr = (struct drm_mode_property_enum __user *)(unsigned long)out_resp->enum_blob_ptr; |
1123 | serge | 3194 | list_for_each_entry(prop_enum, &property->enum_blob_list, head) { |
3195 | |||
3196 | if (copy_to_user(&enum_ptr[copied].value, &prop_enum->value, sizeof(uint64_t))) { |
||
3197 | ret = -EFAULT; |
||
3198 | goto done; |
||
3199 | } |
||
3200 | |||
3201 | if (copy_to_user(&enum_ptr[copied].name, |
||
3202 | &prop_enum->name, DRM_PROP_NAME_LEN)) { |
||
3203 | ret = -EFAULT; |
||
3204 | goto done; |
||
3205 | } |
||
3206 | copied++; |
||
3207 | } |
||
3208 | } |
||
3209 | out_resp->count_enum_blobs = enum_count; |
||
3210 | } |
||
3211 | |||
3212 | if (property->flags & DRM_MODE_PROP_BLOB) { |
||
3213 | if ((out_resp->count_enum_blobs >= blob_count) && blob_count) { |
||
3214 | copied = 0; |
||
3031 | serge | 3215 | blob_id_ptr = (uint32_t __user *)(unsigned long)out_resp->enum_blob_ptr; |
3216 | blob_length_ptr = (uint32_t __user *)(unsigned long)out_resp->values_ptr; |
||
1123 | serge | 3217 | |
3218 | list_for_each_entry(prop_blob, &property->enum_blob_list, head) { |
||
3219 | if (put_user(prop_blob->base.id, blob_id_ptr + copied)) { |
||
3220 | ret = -EFAULT; |
||
3221 | goto done; |
||
3222 | } |
||
3223 | |||
3224 | if (put_user(prop_blob->length, blob_length_ptr + copied)) { |
||
3225 | ret = -EFAULT; |
||
3226 | goto done; |
||
3227 | } |
||
3228 | |||
3229 | copied++; |
||
3230 | } |
||
3231 | } |
||
3232 | out_resp->count_enum_blobs = blob_count; |
||
3233 | } |
||
3234 | done: |
||
3480 | Serge | 3235 | drm_modeset_unlock_all(dev); |
1123 | serge | 3236 | return ret; |
3237 | } |
||
3238 | #endif |
||
3239 | |||
3240 | static struct drm_property_blob *drm_property_create_blob(struct drm_device *dev, int length, |
||
3241 | void *data) |
||
3242 | { |
||
3243 | struct drm_property_blob *blob; |
||
3031 | serge | 3244 | int ret; |
1123 | serge | 3245 | |
3246 | if (!length || !data) |
||
3247 | return NULL; |
||
3248 | |||
3249 | blob = kzalloc(sizeof(struct drm_property_blob)+length, GFP_KERNEL); |
||
3250 | if (!blob) |
||
3251 | return NULL; |
||
3252 | |||
3031 | serge | 3253 | ret = drm_mode_object_get(dev, &blob->base, DRM_MODE_OBJECT_BLOB); |
3254 | if (ret) { |
||
3255 | kfree(blob); |
||
3256 | return NULL; |
||
3257 | } |
||
3258 | |||
1123 | serge | 3259 | blob->length = length; |
3260 | |||
3261 | memcpy(blob->data, data, length); |
||
3262 | |||
3263 | list_add_tail(&blob->head, &dev->mode_config.property_blob_list); |
||
3264 | return blob; |
||
3265 | } |
||
3266 | |||
3267 | static void drm_property_destroy_blob(struct drm_device *dev, |
||
3268 | struct drm_property_blob *blob) |
||
3269 | { |
||
3270 | drm_mode_object_put(dev, &blob->base); |
||
3271 | list_del(&blob->head); |
||
3272 | kfree(blob); |
||
3273 | } |
||
3274 | |||
3275 | #if 0 |
||
3276 | int drm_mode_getblob_ioctl(struct drm_device *dev, |
||
3277 | void *data, struct drm_file *file_priv) |
||
3278 | { |
||
3279 | struct drm_mode_object *obj; |
||
3280 | struct drm_mode_get_blob *out_resp = data; |
||
3281 | struct drm_property_blob *blob; |
||
3282 | int ret = 0; |
||
3031 | serge | 3283 | void __user *blob_ptr; |
1123 | serge | 3284 | |
1963 | serge | 3285 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
3286 | return -EINVAL; |
||
3287 | |||
3480 | Serge | 3288 | drm_modeset_lock_all(dev); |
1123 | serge | 3289 | obj = drm_mode_object_find(dev, out_resp->blob_id, DRM_MODE_OBJECT_BLOB); |
3290 | if (!obj) { |
||
3291 | ret = -EINVAL; |
||
3292 | goto done; |
||
3293 | } |
||
3294 | blob = obj_to_blob(obj); |
||
3295 | |||
3296 | if (out_resp->length == blob->length) { |
||
3031 | serge | 3297 | blob_ptr = (void __user *)(unsigned long)out_resp->data; |
1123 | serge | 3298 | if (copy_to_user(blob_ptr, blob->data, blob->length)){ |
3299 | ret = -EFAULT; |
||
3300 | goto done; |
||
3301 | } |
||
3302 | } |
||
3303 | out_resp->length = blob->length; |
||
3304 | |||
3305 | done: |
||
3480 | Serge | 3306 | drm_modeset_unlock_all(dev); |
1123 | serge | 3307 | return ret; |
3308 | } |
||
3309 | #endif |
||
3310 | |||
3311 | int drm_mode_connector_update_edid_property(struct drm_connector *connector, |
||
3312 | struct edid *edid) |
||
3313 | { |
||
3314 | struct drm_device *dev = connector->dev; |
||
3031 | serge | 3315 | int ret, size; |
1123 | serge | 3316 | |
3317 | if (connector->edid_blob_ptr) |
||
3318 | drm_property_destroy_blob(dev, connector->edid_blob_ptr); |
||
3319 | |||
3320 | /* Delete edid, when there is none. */ |
||
3321 | if (!edid) { |
||
3322 | connector->edid_blob_ptr = NULL; |
||
3192 | Serge | 3323 | ret = drm_object_property_set_value(&connector->base, dev->mode_config.edid_property, 0); |
1123 | serge | 3324 | return ret; |
3325 | } |
||
3326 | |||
1963 | serge | 3327 | size = EDID_LENGTH * (1 + edid->extensions); |
3328 | connector->edid_blob_ptr = drm_property_create_blob(connector->dev, |
||
3329 | size, edid); |
||
3192 | Serge | 3330 | if (!connector->edid_blob_ptr) |
3331 | return -EINVAL; |
||
1123 | serge | 3332 | |
3192 | Serge | 3333 | ret = drm_object_property_set_value(&connector->base, |
1123 | serge | 3334 | dev->mode_config.edid_property, |
3335 | connector->edid_blob_ptr->base.id); |
||
3336 | |||
3337 | return ret; |
||
3338 | } |
||
3339 | EXPORT_SYMBOL(drm_mode_connector_update_edid_property); |
||
3340 | |||
3341 | #if 0 |
||
3031 | serge | 3342 | |
3343 | static int drm_mode_connector_set_obj_prop(struct drm_mode_object *obj, |
||
3344 | struct drm_property *property, |
||
3345 | uint64_t value) |
||
1123 | serge | 3346 | { |
3031 | serge | 3347 | int ret = -EINVAL; |
3348 | struct drm_connector *connector = obj_to_connector(obj); |
||
3349 | |||
3350 | /* Do DPMS ourselves */ |
||
3351 | if (property == connector->dev->mode_config.dpms_property) { |
||
3352 | if (connector->funcs->dpms) |
||
3353 | (*connector->funcs->dpms)(connector, (int)value); |
||
3354 | ret = 0; |
||
3355 | } else if (connector->funcs->set_property) |
||
3356 | ret = connector->funcs->set_property(connector, property, value); |
||
3357 | |||
3358 | /* store the property value if successful */ |
||
3359 | if (!ret) |
||
3192 | Serge | 3360 | drm_object_property_set_value(&connector->base, property, value); |
3031 | serge | 3361 | return ret; |
3362 | } |
||
3363 | |||
3364 | static int drm_mode_crtc_set_obj_prop(struct drm_mode_object *obj, |
||
3365 | struct drm_property *property, |
||
3366 | uint64_t value) |
||
3367 | { |
||
3368 | int ret = -EINVAL; |
||
3369 | struct drm_crtc *crtc = obj_to_crtc(obj); |
||
3370 | |||
3371 | if (crtc->funcs->set_property) |
||
3372 | ret = crtc->funcs->set_property(crtc, property, value); |
||
3373 | if (!ret) |
||
3374 | drm_object_property_set_value(obj, property, value); |
||
3375 | |||
3376 | return ret; |
||
3377 | } |
||
3378 | |||
3379 | static int drm_mode_plane_set_obj_prop(struct drm_mode_object *obj, |
||
3380 | struct drm_property *property, |
||
3381 | uint64_t value) |
||
3382 | { |
||
3383 | int ret = -EINVAL; |
||
3384 | struct drm_plane *plane = obj_to_plane(obj); |
||
3385 | |||
3386 | if (plane->funcs->set_property) |
||
3387 | ret = plane->funcs->set_property(plane, property, value); |
||
3388 | if (!ret) |
||
3389 | drm_object_property_set_value(obj, property, value); |
||
3390 | |||
3391 | return ret; |
||
3392 | } |
||
3393 | |||
3394 | int drm_mode_obj_get_properties_ioctl(struct drm_device *dev, void *data, |
||
3395 | struct drm_file *file_priv) |
||
3396 | { |
||
3397 | struct drm_mode_obj_get_properties *arg = data; |
||
1123 | serge | 3398 | struct drm_mode_object *obj; |
3031 | serge | 3399 | int ret = 0; |
1123 | serge | 3400 | int i; |
3031 | serge | 3401 | int copied = 0; |
3402 | int props_count = 0; |
||
3403 | uint32_t __user *props_ptr; |
||
3404 | uint64_t __user *prop_values_ptr; |
||
1123 | serge | 3405 | |
1963 | serge | 3406 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
3407 | return -EINVAL; |
||
3408 | |||
3480 | Serge | 3409 | drm_modeset_lock_all(dev); |
1123 | serge | 3410 | |
3031 | serge | 3411 | obj = drm_mode_object_find(dev, arg->obj_id, arg->obj_type); |
1123 | serge | 3412 | if (!obj) { |
3031 | serge | 3413 | ret = -EINVAL; |
1123 | serge | 3414 | goto out; |
3415 | } |
||
3031 | serge | 3416 | if (!obj->properties) { |
3417 | ret = -EINVAL; |
||
3418 | goto out; |
||
3419 | } |
||
1123 | serge | 3420 | |
3031 | serge | 3421 | props_count = obj->properties->count; |
3422 | |||
3423 | /* This ioctl is called twice, once to determine how much space is |
||
3424 | * needed, and the 2nd time to fill it. */ |
||
3425 | if ((arg->count_props >= props_count) && props_count) { |
||
3426 | copied = 0; |
||
3427 | props_ptr = (uint32_t __user *)(unsigned long)(arg->props_ptr); |
||
3428 | prop_values_ptr = (uint64_t __user *)(unsigned long) |
||
3429 | (arg->prop_values_ptr); |
||
3430 | for (i = 0; i < props_count; i++) { |
||
3431 | if (put_user(obj->properties->ids[i], |
||
3432 | props_ptr + copied)) { |
||
3433 | ret = -EFAULT; |
||
3434 | goto out; |
||
1123 | serge | 3435 | } |
3031 | serge | 3436 | if (put_user(obj->properties->values[i], |
3437 | prop_values_ptr + copied)) { |
||
3438 | ret = -EFAULT; |
||
1123 | serge | 3439 | goto out; |
3440 | } |
||
3031 | serge | 3441 | copied++; |
3442 | } |
||
3443 | } |
||
3444 | arg->count_props = props_count; |
||
3445 | out: |
||
3480 | Serge | 3446 | drm_modeset_unlock_all(dev); |
3031 | serge | 3447 | return ret; |
3448 | } |
||
1123 | serge | 3449 | |
3031 | serge | 3450 | int drm_mode_obj_set_property_ioctl(struct drm_device *dev, void *data, |
3451 | struct drm_file *file_priv) |
||
3452 | { |
||
3453 | struct drm_mode_obj_set_property *arg = data; |
||
3454 | struct drm_mode_object *arg_obj; |
||
3455 | struct drm_mode_object *prop_obj; |
||
3456 | struct drm_property *property; |
||
3457 | int ret = -EINVAL; |
||
3458 | int i; |
||
3459 | |||
3460 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
||
3461 | return -EINVAL; |
||
3462 | |||
3480 | Serge | 3463 | drm_modeset_lock_all(dev); |
3031 | serge | 3464 | |
3465 | arg_obj = drm_mode_object_find(dev, arg->obj_id, arg->obj_type); |
||
3466 | if (!arg_obj) |
||
1123 | serge | 3467 | goto out; |
3031 | serge | 3468 | if (!arg_obj->properties) |
3469 | goto out; |
||
1123 | serge | 3470 | |
3031 | serge | 3471 | for (i = 0; i < arg_obj->properties->count; i++) |
3472 | if (arg_obj->properties->ids[i] == arg->prop_id) |
||
3473 | break; |
||
3474 | |||
3475 | if (i == arg_obj->properties->count) |
||
1123 | serge | 3476 | goto out; |
3477 | |||
3031 | serge | 3478 | prop_obj = drm_mode_object_find(dev, arg->prop_id, |
3479 | DRM_MODE_OBJECT_PROPERTY); |
||
3480 | if (!prop_obj) |
||
1123 | serge | 3481 | goto out; |
3031 | serge | 3482 | property = obj_to_property(prop_obj); |
1123 | serge | 3483 | |
3031 | serge | 3484 | if (!drm_property_change_is_valid(property, arg->value)) |
1123 | serge | 3485 | goto out; |
3031 | serge | 3486 | |
3487 | switch (arg_obj->type) { |
||
3488 | case DRM_MODE_OBJECT_CONNECTOR: |
||
3489 | ret = drm_mode_connector_set_obj_prop(arg_obj, property, |
||
3490 | arg->value); |
||
3491 | break; |
||
3492 | case DRM_MODE_OBJECT_CRTC: |
||
3493 | ret = drm_mode_crtc_set_obj_prop(arg_obj, property, arg->value); |
||
3494 | break; |
||
3495 | case DRM_MODE_OBJECT_PLANE: |
||
3496 | ret = drm_mode_plane_set_obj_prop(arg_obj, property, arg->value); |
||
1123 | serge | 3497 | break; |
3498 | } |
||
3499 | |||
3500 | out: |
||
3480 | Serge | 3501 | drm_modeset_unlock_all(dev); |
1123 | serge | 3502 | return ret; |
3503 | } |
||
3504 | #endif |
||
3505 | |||
3506 | int drm_mode_connector_attach_encoder(struct drm_connector *connector, |
||
3507 | struct drm_encoder *encoder) |
||
3508 | { |
||
3509 | int i; |
||
3510 | |||
3511 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { |
||
3512 | if (connector->encoder_ids[i] == 0) { |
||
3513 | connector->encoder_ids[i] = encoder->base.id; |
||
3514 | return 0; |
||
3515 | } |
||
3516 | } |
||
3517 | return -ENOMEM; |
||
3518 | } |
||
3519 | EXPORT_SYMBOL(drm_mode_connector_attach_encoder); |
||
3520 | |||
3521 | void drm_mode_connector_detach_encoder(struct drm_connector *connector, |
||
3522 | struct drm_encoder *encoder) |
||
3523 | { |
||
3524 | int i; |
||
3525 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { |
||
3526 | if (connector->encoder_ids[i] == encoder->base.id) { |
||
3527 | connector->encoder_ids[i] = 0; |
||
3528 | if (connector->encoder == encoder) |
||
3529 | connector->encoder = NULL; |
||
3530 | break; |
||
3531 | } |
||
3532 | } |
||
3533 | } |
||
3534 | EXPORT_SYMBOL(drm_mode_connector_detach_encoder); |
||
3535 | |||
3031 | serge | 3536 | int drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc, |
1123 | serge | 3537 | int gamma_size) |
3538 | { |
||
3539 | crtc->gamma_size = gamma_size; |
||
3540 | |||
3541 | crtc->gamma_store = kzalloc(gamma_size * sizeof(uint16_t) * 3, GFP_KERNEL); |
||
3542 | if (!crtc->gamma_store) { |
||
3543 | crtc->gamma_size = 0; |
||
3031 | serge | 3544 | return -ENOMEM; |
1123 | serge | 3545 | } |
3546 | |||
3031 | serge | 3547 | return 0; |
1123 | serge | 3548 | } |
3549 | EXPORT_SYMBOL(drm_mode_crtc_set_gamma_size); |
||
3550 | |||
3551 | #if 0 |
||
3552 | int drm_mode_gamma_set_ioctl(struct drm_device *dev, |
||
3553 | void *data, struct drm_file *file_priv) |
||
3554 | { |
||
3555 | struct drm_mode_crtc_lut *crtc_lut = data; |
||
3556 | struct drm_mode_object *obj; |
||
3557 | struct drm_crtc *crtc; |
||
3558 | void *r_base, *g_base, *b_base; |
||
3559 | int size; |
||
3560 | int ret = 0; |
||
3561 | |||
1963 | serge | 3562 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
3563 | return -EINVAL; |
||
3564 | |||
3480 | Serge | 3565 | drm_modeset_lock_all(dev); |
1123 | serge | 3566 | obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC); |
3567 | if (!obj) { |
||
3568 | ret = -EINVAL; |
||
3569 | goto out; |
||
3570 | } |
||
3571 | crtc = obj_to_crtc(obj); |
||
3572 | |||
3031 | serge | 3573 | if (crtc->funcs->gamma_set == NULL) { |
3574 | ret = -ENOSYS; |
||
3575 | goto out; |
||
3576 | } |
||
3577 | |||
1123 | serge | 3578 | /* memcpy into gamma store */ |
3579 | if (crtc_lut->gamma_size != crtc->gamma_size) { |
||
3580 | ret = -EINVAL; |
||
3581 | goto out; |
||
3582 | } |
||
3583 | |||
3584 | size = crtc_lut->gamma_size * (sizeof(uint16_t)); |
||
3585 | r_base = crtc->gamma_store; |
||
3586 | if (copy_from_user(r_base, (void __user *)(unsigned long)crtc_lut->red, size)) { |
||
3587 | ret = -EFAULT; |
||
3588 | goto out; |
||
3589 | } |
||
3590 | |||
3591 | g_base = r_base + size; |
||
3592 | if (copy_from_user(g_base, (void __user *)(unsigned long)crtc_lut->green, size)) { |
||
3593 | ret = -EFAULT; |
||
3594 | goto out; |
||
3595 | } |
||
3596 | |||
3597 | b_base = g_base + size; |
||
3598 | if (copy_from_user(b_base, (void __user *)(unsigned long)crtc_lut->blue, size)) { |
||
3599 | ret = -EFAULT; |
||
3600 | goto out; |
||
3601 | } |
||
3602 | |||
1963 | serge | 3603 | crtc->funcs->gamma_set(crtc, r_base, g_base, b_base, 0, crtc->gamma_size); |
1123 | serge | 3604 | |
3605 | out: |
||
3480 | Serge | 3606 | drm_modeset_unlock_all(dev); |
1123 | serge | 3607 | return ret; |
3608 | |||
3609 | } |
||
3610 | |||
3611 | int drm_mode_gamma_get_ioctl(struct drm_device *dev, |
||
3612 | void *data, struct drm_file *file_priv) |
||
3613 | { |
||
3614 | struct drm_mode_crtc_lut *crtc_lut = data; |
||
3615 | struct drm_mode_object *obj; |
||
3616 | struct drm_crtc *crtc; |
||
3617 | void *r_base, *g_base, *b_base; |
||
3618 | int size; |
||
3619 | int ret = 0; |
||
3620 | |||
1963 | serge | 3621 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
3622 | return -EINVAL; |
||
3623 | |||
3480 | Serge | 3624 | drm_modeset_lock_all(dev); |
1123 | serge | 3625 | obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC); |
3626 | if (!obj) { |
||
3627 | ret = -EINVAL; |
||
3628 | goto out; |
||
3629 | } |
||
3630 | crtc = obj_to_crtc(obj); |
||
3631 | |||
3632 | /* memcpy into gamma store */ |
||
3633 | if (crtc_lut->gamma_size != crtc->gamma_size) { |
||
3634 | ret = -EINVAL; |
||
3635 | goto out; |
||
3636 | } |
||
3637 | |||
3638 | size = crtc_lut->gamma_size * (sizeof(uint16_t)); |
||
3639 | r_base = crtc->gamma_store; |
||
3640 | if (copy_to_user((void __user *)(unsigned long)crtc_lut->red, r_base, size)) { |
||
3641 | ret = -EFAULT; |
||
3642 | goto out; |
||
3643 | } |
||
3644 | |||
3645 | g_base = r_base + size; |
||
3646 | if (copy_to_user((void __user *)(unsigned long)crtc_lut->green, g_base, size)) { |
||
3647 | ret = -EFAULT; |
||
3648 | goto out; |
||
3649 | } |
||
3650 | |||
3651 | b_base = g_base + size; |
||
3652 | if (copy_to_user((void __user *)(unsigned long)crtc_lut->blue, b_base, size)) { |
||
3653 | ret = -EFAULT; |
||
3654 | goto out; |
||
3655 | } |
||
3656 | out: |
||
3480 | Serge | 3657 | drm_modeset_unlock_all(dev); |
1123 | serge | 3658 | return ret; |
3659 | } |
||
3660 | |||
3661 | #endif |
||
1179 | serge | 3662 | |
3663 | |||
1963 | serge | 3664 | void drm_mode_config_reset(struct drm_device *dev) |
3665 | { |
||
3666 | struct drm_crtc *crtc; |
||
3667 | struct drm_encoder *encoder; |
||
3668 | struct drm_connector *connector; |
||
3669 | |||
3670 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) |
||
3671 | if (crtc->funcs->reset) |
||
3672 | crtc->funcs->reset(crtc); |
||
3673 | |||
3674 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) |
||
3675 | if (encoder->funcs->reset) |
||
3676 | encoder->funcs->reset(encoder); |
||
3677 | |||
3192 | Serge | 3678 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { |
3679 | connector->status = connector_status_unknown; |
||
3680 | |||
1963 | serge | 3681 | if (connector->funcs->reset) |
3682 | connector->funcs->reset(connector); |
||
3192 | Serge | 3683 | } |
1963 | serge | 3684 | } |
3685 | EXPORT_SYMBOL(drm_mode_config_reset); |
||
3031 | serge | 3686 | /* |
3687 | * Just need to support RGB formats here for compat with code that doesn't |
||
3688 | * use pixel formats directly yet. |
||
3689 | */ |
||
3690 | void drm_fb_get_bpp_depth(uint32_t format, unsigned int *depth, |
||
3691 | int *bpp) |
||
3692 | { |
||
3693 | switch (format) { |
||
3480 | Serge | 3694 | case DRM_FORMAT_C8: |
3031 | serge | 3695 | case DRM_FORMAT_RGB332: |
3696 | case DRM_FORMAT_BGR233: |
||
3697 | *depth = 8; |
||
3698 | *bpp = 8; |
||
3699 | break; |
||
3700 | case DRM_FORMAT_XRGB1555: |
||
3701 | case DRM_FORMAT_XBGR1555: |
||
3702 | case DRM_FORMAT_RGBX5551: |
||
3703 | case DRM_FORMAT_BGRX5551: |
||
3704 | case DRM_FORMAT_ARGB1555: |
||
3705 | case DRM_FORMAT_ABGR1555: |
||
3706 | case DRM_FORMAT_RGBA5551: |
||
3707 | case DRM_FORMAT_BGRA5551: |
||
3708 | *depth = 15; |
||
3709 | *bpp = 16; |
||
3710 | break; |
||
3711 | case DRM_FORMAT_RGB565: |
||
3712 | case DRM_FORMAT_BGR565: |
||
3713 | *depth = 16; |
||
3714 | *bpp = 16; |
||
3715 | break; |
||
3716 | case DRM_FORMAT_RGB888: |
||
3717 | case DRM_FORMAT_BGR888: |
||
3718 | *depth = 24; |
||
3719 | *bpp = 24; |
||
3720 | break; |
||
3721 | case DRM_FORMAT_XRGB8888: |
||
3722 | case DRM_FORMAT_XBGR8888: |
||
3723 | case DRM_FORMAT_RGBX8888: |
||
3724 | case DRM_FORMAT_BGRX8888: |
||
3725 | *depth = 24; |
||
3726 | *bpp = 32; |
||
3727 | break; |
||
3728 | case DRM_FORMAT_XRGB2101010: |
||
3729 | case DRM_FORMAT_XBGR2101010: |
||
3730 | case DRM_FORMAT_RGBX1010102: |
||
3731 | case DRM_FORMAT_BGRX1010102: |
||
3732 | case DRM_FORMAT_ARGB2101010: |
||
3733 | case DRM_FORMAT_ABGR2101010: |
||
3734 | case DRM_FORMAT_RGBA1010102: |
||
3735 | case DRM_FORMAT_BGRA1010102: |
||
3736 | *depth = 30; |
||
3737 | *bpp = 32; |
||
3738 | break; |
||
3739 | case DRM_FORMAT_ARGB8888: |
||
3740 | case DRM_FORMAT_ABGR8888: |
||
3741 | case DRM_FORMAT_RGBA8888: |
||
3742 | case DRM_FORMAT_BGRA8888: |
||
3743 | *depth = 32; |
||
3744 | *bpp = 32; |
||
3745 | break; |
||
3746 | default: |
||
3747 | DRM_DEBUG_KMS("unsupported pixel format\n"); |
||
3748 | *depth = 0; |
||
3749 | *bpp = 0; |
||
3750 | break; |
||
3751 | } |
||
3752 | } |
||
3753 | EXPORT_SYMBOL(drm_fb_get_bpp_depth); |
||
3754 | |||
3755 | /** |
||
3756 | * drm_format_num_planes - get the number of planes for format |
||
3757 | * @format: pixel format (DRM_FORMAT_*) |
||
3758 | * |
||
3759 | * RETURNS: |
||
3760 | * The number of planes used by the specified pixel format. |
||
3761 | */ |
||
3762 | int drm_format_num_planes(uint32_t format) |
||
3763 | { |
||
3764 | switch (format) { |
||
3765 | case DRM_FORMAT_YUV410: |
||
3766 | case DRM_FORMAT_YVU410: |
||
3767 | case DRM_FORMAT_YUV411: |
||
3768 | case DRM_FORMAT_YVU411: |
||
3769 | case DRM_FORMAT_YUV420: |
||
3770 | case DRM_FORMAT_YVU420: |
||
3771 | case DRM_FORMAT_YUV422: |
||
3772 | case DRM_FORMAT_YVU422: |
||
3773 | case DRM_FORMAT_YUV444: |
||
3774 | case DRM_FORMAT_YVU444: |
||
3775 | return 3; |
||
3776 | case DRM_FORMAT_NV12: |
||
3777 | case DRM_FORMAT_NV21: |
||
3778 | case DRM_FORMAT_NV16: |
||
3779 | case DRM_FORMAT_NV61: |
||
3780 | case DRM_FORMAT_NV24: |
||
3781 | case DRM_FORMAT_NV42: |
||
3782 | return 2; |
||
3783 | default: |
||
3784 | return 1; |
||
3785 | } |
||
3786 | } |
||
3787 | EXPORT_SYMBOL(drm_format_num_planes); |
||
3788 | |||
3789 | /** |
||
3790 | * drm_format_plane_cpp - determine the bytes per pixel value |
||
3791 | * @format: pixel format (DRM_FORMAT_*) |
||
3792 | * @plane: plane index |
||
3793 | * |
||
3794 | * RETURNS: |
||
3795 | * The bytes per pixel value for the specified plane. |
||
3796 | */ |
||
3797 | int drm_format_plane_cpp(uint32_t format, int plane) |
||
3798 | { |
||
3799 | unsigned int depth; |
||
3800 | int bpp; |
||
3801 | |||
3802 | if (plane >= drm_format_num_planes(format)) |
||
3803 | return 0; |
||
3804 | |||
3805 | switch (format) { |
||
3806 | case DRM_FORMAT_YUYV: |
||
3807 | case DRM_FORMAT_YVYU: |
||
3808 | case DRM_FORMAT_UYVY: |
||
3809 | case DRM_FORMAT_VYUY: |
||
3810 | return 2; |
||
3811 | case DRM_FORMAT_NV12: |
||
3812 | case DRM_FORMAT_NV21: |
||
3813 | case DRM_FORMAT_NV16: |
||
3814 | case DRM_FORMAT_NV61: |
||
3815 | case DRM_FORMAT_NV24: |
||
3816 | case DRM_FORMAT_NV42: |
||
3817 | return plane ? 2 : 1; |
||
3818 | case DRM_FORMAT_YUV410: |
||
3819 | case DRM_FORMAT_YVU410: |
||
3820 | case DRM_FORMAT_YUV411: |
||
3821 | case DRM_FORMAT_YVU411: |
||
3822 | case DRM_FORMAT_YUV420: |
||
3823 | case DRM_FORMAT_YVU420: |
||
3824 | case DRM_FORMAT_YUV422: |
||
3825 | case DRM_FORMAT_YVU422: |
||
3826 | case DRM_FORMAT_YUV444: |
||
3827 | case DRM_FORMAT_YVU444: |
||
3828 | return 1; |
||
3829 | default: |
||
3830 | drm_fb_get_bpp_depth(format, &depth, &bpp); |
||
3831 | return bpp >> 3; |
||
3832 | } |
||
3833 | } |
||
3834 | EXPORT_SYMBOL(drm_format_plane_cpp); |
||
3835 | |||
3836 | /** |
||
3837 | * drm_format_horz_chroma_subsampling - get the horizontal chroma subsampling factor |
||
3838 | * @format: pixel format (DRM_FORMAT_*) |
||
3839 | * |
||
3840 | * RETURNS: |
||
3841 | * The horizontal chroma subsampling factor for the |
||
3842 | * specified pixel format. |
||
3843 | */ |
||
3844 | int drm_format_horz_chroma_subsampling(uint32_t format) |
||
3845 | { |
||
3846 | switch (format) { |
||
3847 | case DRM_FORMAT_YUV411: |
||
3848 | case DRM_FORMAT_YVU411: |
||
3849 | case DRM_FORMAT_YUV410: |
||
3850 | case DRM_FORMAT_YVU410: |
||
3851 | return 4; |
||
3852 | case DRM_FORMAT_YUYV: |
||
3853 | case DRM_FORMAT_YVYU: |
||
3854 | case DRM_FORMAT_UYVY: |
||
3855 | case DRM_FORMAT_VYUY: |
||
3856 | case DRM_FORMAT_NV12: |
||
3857 | case DRM_FORMAT_NV21: |
||
3858 | case DRM_FORMAT_NV16: |
||
3859 | case DRM_FORMAT_NV61: |
||
3860 | case DRM_FORMAT_YUV422: |
||
3861 | case DRM_FORMAT_YVU422: |
||
3862 | case DRM_FORMAT_YUV420: |
||
3863 | case DRM_FORMAT_YVU420: |
||
3864 | return 2; |
||
3865 | default: |
||
3866 | return 1; |
||
3867 | } |
||
3868 | } |
||
3869 | EXPORT_SYMBOL(drm_format_horz_chroma_subsampling); |
||
3870 | |||
3871 | /** |
||
3872 | * drm_format_vert_chroma_subsampling - get the vertical chroma subsampling factor |
||
3873 | * @format: pixel format (DRM_FORMAT_*) |
||
3874 | * |
||
3875 | * RETURNS: |
||
3876 | * The vertical chroma subsampling factor for the |
||
3877 | * specified pixel format. |
||
3878 | */ |
||
3879 | int drm_format_vert_chroma_subsampling(uint32_t format) |
||
3880 | { |
||
3881 | switch (format) { |
||
3882 | case DRM_FORMAT_YUV410: |
||
3883 | case DRM_FORMAT_YVU410: |
||
3884 | return 4; |
||
3885 | case DRM_FORMAT_YUV420: |
||
3886 | case DRM_FORMAT_YVU420: |
||
3887 | case DRM_FORMAT_NV12: |
||
3888 | case DRM_FORMAT_NV21: |
||
3889 | return 2; |
||
3890 | default: |
||
3891 | return 1; |
||
3892 | } |
||
3893 | } |
||
3894 | EXPORT_SYMBOL(drm_format_vert_chroma_subsampling);>>>>>>>>>>=>=>>>>><>><>>>>>>>>>>> |