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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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4075 | Serge | 32 | #include |
1179 | serge | 33 | #include |
1963 | serge | 34 | #include |
3031 | serge | 35 | #include |
36 | #include |
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37 | #include |
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38 | #include |
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39 | #include |
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1123 | serge | 40 | |
3480 | Serge | 41 | /** |
42 | * drm_modeset_lock_all - take all modeset locks |
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43 | * @dev: drm device |
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44 | * |
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45 | * This function takes all modeset locks, suitable where a more fine-grained |
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46 | * scheme isn't (yet) implemented. |
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47 | */ |
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48 | void drm_modeset_lock_all(struct drm_device *dev) |
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49 | { |
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50 | struct drm_crtc *crtc; |
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51 | |||
52 | mutex_lock(&dev->mode_config.mutex); |
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53 | |||
54 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) |
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55 | mutex_lock_nest_lock(&crtc->mutex, &dev->mode_config.mutex); |
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56 | } |
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57 | EXPORT_SYMBOL(drm_modeset_lock_all); |
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58 | |||
59 | /** |
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60 | * drm_modeset_unlock_all - drop all modeset locks |
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61 | * @dev: device |
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62 | */ |
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63 | void drm_modeset_unlock_all(struct drm_device *dev) |
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64 | { |
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65 | struct drm_crtc *crtc; |
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66 | |||
67 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) |
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68 | mutex_unlock(&crtc->mutex); |
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69 | |||
70 | mutex_unlock(&dev->mode_config.mutex); |
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71 | } |
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72 | EXPORT_SYMBOL(drm_modeset_unlock_all); |
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73 | |||
74 | /** |
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75 | * drm_warn_on_modeset_not_all_locked - check that all modeset locks are locked |
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76 | * @dev: device |
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77 | */ |
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78 | void drm_warn_on_modeset_not_all_locked(struct drm_device *dev) |
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79 | { |
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80 | struct drm_crtc *crtc; |
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81 | |||
82 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) |
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83 | WARN_ON(!mutex_is_locked(&crtc->mutex)); |
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84 | |||
85 | WARN_ON(!mutex_is_locked(&dev->mode_config.mutex)); |
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86 | } |
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87 | EXPORT_SYMBOL(drm_warn_on_modeset_not_all_locked); |
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88 | |||
1123 | serge | 89 | /* Avoid boilerplate. I'm tired of typing. */ |
90 | #define DRM_ENUM_NAME_FN(fnname, list) \ |
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4075 | Serge | 91 | const char *fnname(int val) \ |
1123 | serge | 92 | { \ |
93 | int i; \ |
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94 | for (i = 0; i < ARRAY_SIZE(list); i++) { \ |
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95 | if (list[i].type == val) \ |
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96 | return list[i].name; \ |
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97 | } \ |
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98 | return "(unknown)"; \ |
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99 | } |
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100 | |||
101 | /* |
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102 | * Global properties |
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103 | */ |
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4075 | Serge | 104 | static const struct drm_prop_enum_list drm_dpms_enum_list[] = |
1123 | serge | 105 | { { DRM_MODE_DPMS_ON, "On" }, |
106 | { DRM_MODE_DPMS_STANDBY, "Standby" }, |
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107 | { DRM_MODE_DPMS_SUSPEND, "Suspend" }, |
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108 | { DRM_MODE_DPMS_OFF, "Off" } |
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109 | }; |
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110 | |||
111 | DRM_ENUM_NAME_FN(drm_get_dpms_name, drm_dpms_enum_list) |
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112 | |||
113 | /* |
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114 | * Optional properties |
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115 | */ |
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4075 | Serge | 116 | static const struct drm_prop_enum_list drm_scaling_mode_enum_list[] = |
1123 | serge | 117 | { |
1179 | serge | 118 | { DRM_MODE_SCALE_NONE, "None" }, |
119 | { DRM_MODE_SCALE_FULLSCREEN, "Full" }, |
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120 | { DRM_MODE_SCALE_CENTER, "Center" }, |
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121 | { DRM_MODE_SCALE_ASPECT, "Full aspect" }, |
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1123 | serge | 122 | }; |
123 | |||
124 | /* |
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125 | * Non-global properties, but "required" for certain connectors. |
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126 | */ |
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4075 | Serge | 127 | static const struct drm_prop_enum_list drm_dvi_i_select_enum_list[] = |
1123 | serge | 128 | { |
129 | { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */ |
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130 | { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */ |
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131 | { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */ |
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132 | }; |
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133 | |||
134 | DRM_ENUM_NAME_FN(drm_get_dvi_i_select_name, drm_dvi_i_select_enum_list) |
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135 | |||
4075 | Serge | 136 | static const struct drm_prop_enum_list drm_dvi_i_subconnector_enum_list[] = |
1123 | serge | 137 | { |
138 | { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */ |
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139 | { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */ |
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140 | { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */ |
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141 | }; |
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142 | |||
143 | DRM_ENUM_NAME_FN(drm_get_dvi_i_subconnector_name, |
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144 | drm_dvi_i_subconnector_enum_list) |
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145 | |||
4075 | Serge | 146 | static const struct drm_prop_enum_list drm_tv_select_enum_list[] = |
1123 | serge | 147 | { |
148 | { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */ |
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149 | { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */ |
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150 | { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */ |
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151 | { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */ |
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1179 | serge | 152 | { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */ |
1123 | serge | 153 | }; |
154 | |||
155 | DRM_ENUM_NAME_FN(drm_get_tv_select_name, drm_tv_select_enum_list) |
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156 | |||
4075 | Serge | 157 | static const struct drm_prop_enum_list drm_tv_subconnector_enum_list[] = |
1123 | serge | 158 | { |
159 | { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */ |
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160 | { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */ |
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161 | { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */ |
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162 | { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */ |
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1179 | serge | 163 | { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */ |
1123 | serge | 164 | }; |
165 | |||
166 | DRM_ENUM_NAME_FN(drm_get_tv_subconnector_name, |
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167 | drm_tv_subconnector_enum_list) |
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168 | |||
4075 | Serge | 169 | static const struct drm_prop_enum_list drm_dirty_info_enum_list[] = { |
1321 | serge | 170 | { DRM_MODE_DIRTY_OFF, "Off" }, |
171 | { DRM_MODE_DIRTY_ON, "On" }, |
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172 | { DRM_MODE_DIRTY_ANNOTATE, "Annotate" }, |
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173 | }; |
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174 | |||
1123 | serge | 175 | struct drm_conn_prop_enum_list { |
176 | int type; |
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4075 | Serge | 177 | const char *name; |
4104 | Serge | 178 | struct ida ida; |
1123 | serge | 179 | }; |
180 | |||
181 | /* |
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182 | * Connector and encoder types. |
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183 | */ |
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184 | static struct drm_conn_prop_enum_list drm_connector_enum_list[] = |
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4104 | Serge | 185 | { { DRM_MODE_CONNECTOR_Unknown, "Unknown" }, |
186 | { DRM_MODE_CONNECTOR_VGA, "VGA" }, |
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187 | { DRM_MODE_CONNECTOR_DVII, "DVI-I" }, |
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188 | { DRM_MODE_CONNECTOR_DVID, "DVI-D" }, |
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189 | { DRM_MODE_CONNECTOR_DVIA, "DVI-A" }, |
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190 | { DRM_MODE_CONNECTOR_Composite, "Composite" }, |
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191 | { DRM_MODE_CONNECTOR_SVIDEO, "SVIDEO" }, |
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192 | { DRM_MODE_CONNECTOR_LVDS, "LVDS" }, |
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193 | { DRM_MODE_CONNECTOR_Component, "Component" }, |
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194 | { DRM_MODE_CONNECTOR_9PinDIN, "DIN" }, |
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195 | { DRM_MODE_CONNECTOR_DisplayPort, "DP" }, |
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196 | { DRM_MODE_CONNECTOR_HDMIA, "HDMI-A" }, |
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197 | { DRM_MODE_CONNECTOR_HDMIB, "HDMI-B" }, |
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198 | { DRM_MODE_CONNECTOR_TV, "TV" }, |
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199 | { DRM_MODE_CONNECTOR_eDP, "eDP" }, |
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200 | { DRM_MODE_CONNECTOR_VIRTUAL, "Virtual" }, |
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4560 | Serge | 201 | { DRM_MODE_CONNECTOR_DSI, "DSI" }, |
1123 | serge | 202 | }; |
203 | |||
4075 | Serge | 204 | static const struct drm_prop_enum_list drm_encoder_enum_list[] = |
1123 | serge | 205 | { { DRM_MODE_ENCODER_NONE, "None" }, |
206 | { DRM_MODE_ENCODER_DAC, "DAC" }, |
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207 | { DRM_MODE_ENCODER_TMDS, "TMDS" }, |
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208 | { DRM_MODE_ENCODER_LVDS, "LVDS" }, |
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209 | { DRM_MODE_ENCODER_TVDAC, "TV" }, |
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3031 | serge | 210 | { DRM_MODE_ENCODER_VIRTUAL, "Virtual" }, |
4560 | Serge | 211 | { DRM_MODE_ENCODER_DSI, "DSI" }, |
1123 | serge | 212 | }; |
213 | |||
4104 | Serge | 214 | void drm_connector_ida_init(void) |
215 | { |
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216 | int i; |
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217 | |||
218 | for (i = 0; i < ARRAY_SIZE(drm_connector_enum_list); i++) |
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219 | ida_init(&drm_connector_enum_list[i].ida); |
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220 | } |
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221 | |||
222 | void drm_connector_ida_destroy(void) |
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223 | { |
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224 | int i; |
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225 | |||
226 | for (i = 0; i < ARRAY_SIZE(drm_connector_enum_list); i++) |
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227 | ida_destroy(&drm_connector_enum_list[i].ida); |
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228 | } |
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229 | |||
4075 | Serge | 230 | const char *drm_get_encoder_name(const struct drm_encoder *encoder) |
1123 | serge | 231 | { |
232 | static char buf[32]; |
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233 | |||
234 | snprintf(buf, 32, "%s-%d", |
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235 | drm_encoder_enum_list[encoder->encoder_type].name, |
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236 | encoder->base.id); |
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237 | return buf; |
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238 | } |
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1179 | serge | 239 | EXPORT_SYMBOL(drm_get_encoder_name); |
1123 | serge | 240 | |
4075 | Serge | 241 | const char *drm_get_connector_name(const struct drm_connector *connector) |
1123 | serge | 242 | { |
243 | static char buf[32]; |
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244 | |||
245 | snprintf(buf, 32, "%s-%d", |
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246 | drm_connector_enum_list[connector->connector_type].name, |
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247 | connector->connector_type_id); |
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248 | return buf; |
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249 | } |
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250 | EXPORT_SYMBOL(drm_get_connector_name); |
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251 | |||
4075 | Serge | 252 | const char *drm_get_connector_status_name(enum drm_connector_status status) |
1123 | serge | 253 | { |
254 | if (status == connector_status_connected) |
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255 | return "connected"; |
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256 | else if (status == connector_status_disconnected) |
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257 | return "disconnected"; |
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258 | else |
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259 | return "unknown"; |
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260 | } |
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3764 | Serge | 261 | EXPORT_SYMBOL(drm_get_connector_status_name); |
1123 | serge | 262 | |
4075 | Serge | 263 | static char printable_char(int c) |
264 | { |
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265 | return isascii(c) && isprint(c) ? c : '?'; |
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266 | } |
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267 | |||
268 | const char *drm_get_format_name(uint32_t format) |
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269 | { |
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270 | static char buf[32]; |
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271 | |||
272 | snprintf(buf, sizeof(buf), |
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273 | "%c%c%c%c %s-endian (0x%08x)", |
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274 | printable_char(format & 0xff), |
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275 | printable_char((format >> 8) & 0xff), |
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276 | printable_char((format >> 16) & 0xff), |
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277 | printable_char((format >> 24) & 0x7f), |
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278 | format & DRM_FORMAT_BIG_ENDIAN ? "big" : "little", |
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279 | format); |
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280 | |||
281 | return buf; |
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282 | } |
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283 | EXPORT_SYMBOL(drm_get_format_name); |
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284 | |||
1123 | serge | 285 | /** |
3480 | Serge | 286 | * drm_mode_object_get - allocate a new modeset identifier |
1123 | serge | 287 | * @dev: DRM device |
3480 | Serge | 288 | * @obj: object pointer, used to generate unique ID |
289 | * @obj_type: object type |
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1123 | serge | 290 | * |
291 | * Create a unique identifier based on @ptr in @dev's identifier space. Used |
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292 | * for tracking modes, CRTCs and connectors. |
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293 | * |
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294 | * RETURNS: |
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295 | * New unique (relative to other objects in @dev) integer identifier for the |
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296 | * object. |
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297 | */ |
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298 | static int drm_mode_object_get(struct drm_device *dev, |
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299 | struct drm_mode_object *obj, uint32_t obj_type) |
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300 | { |
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301 | int ret; |
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302 | |||
3480 | Serge | 303 | mutex_lock(&dev->mode_config.idr_mutex); |
304 | ret = idr_alloc(&dev->mode_config.crtc_idr, obj, 1, 0, GFP_KERNEL); |
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305 | if (ret >= 0) { |
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306 | /* |
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307 | * Set up the object linking under the protection of the idr |
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308 | * lock so that other users can't see inconsistent state. |
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309 | */ |
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310 | obj->id = ret; |
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311 | obj->type = obj_type; |
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1123 | serge | 312 | } |
1179 | serge | 313 | mutex_unlock(&dev->mode_config.idr_mutex); |
1123 | serge | 314 | |
3480 | Serge | 315 | return ret < 0 ? ret : 0; |
1123 | serge | 316 | } |
317 | |||
318 | /** |
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3480 | Serge | 319 | * drm_mode_object_put - free a modeset identifer |
1123 | serge | 320 | * @dev: DRM device |
3480 | Serge | 321 | * @object: object to free |
1123 | serge | 322 | * |
323 | * Free @id from @dev's unique identifier pool. |
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324 | */ |
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325 | static void drm_mode_object_put(struct drm_device *dev, |
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326 | struct drm_mode_object *object) |
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327 | { |
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1179 | serge | 328 | mutex_lock(&dev->mode_config.idr_mutex); |
1123 | serge | 329 | idr_remove(&dev->mode_config.crtc_idr, object->id); |
1179 | serge | 330 | mutex_unlock(&dev->mode_config.idr_mutex); |
1123 | serge | 331 | } |
332 | |||
3480 | Serge | 333 | /** |
334 | * drm_mode_object_find - look up a drm object with static lifetime |
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335 | * @dev: drm device |
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336 | * @id: id of the mode object |
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337 | * @type: type of the mode object |
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338 | * |
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339 | * Note that framebuffers cannot be looked up with this functions - since those |
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340 | * are reference counted, they need special treatment. |
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341 | */ |
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1321 | serge | 342 | struct drm_mode_object *drm_mode_object_find(struct drm_device *dev, |
343 | uint32_t id, uint32_t type) |
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1123 | serge | 344 | { |
345 | struct drm_mode_object *obj = NULL; |
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346 | |||
3480 | Serge | 347 | /* Framebuffers are reference counted and need their own lookup |
348 | * function.*/ |
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349 | WARN_ON(type == DRM_MODE_OBJECT_FB); |
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350 | |||
1179 | serge | 351 | mutex_lock(&dev->mode_config.idr_mutex); |
1123 | serge | 352 | obj = idr_find(&dev->mode_config.crtc_idr, id); |
353 | if (!obj || (obj->type != type) || (obj->id != id)) |
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354 | obj = NULL; |
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1179 | serge | 355 | mutex_unlock(&dev->mode_config.idr_mutex); |
1123 | serge | 356 | |
357 | return obj; |
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358 | } |
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359 | EXPORT_SYMBOL(drm_mode_object_find); |
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360 | |||
361 | /** |
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362 | * drm_framebuffer_init - initialize a framebuffer |
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363 | * @dev: DRM device |
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3480 | Serge | 364 | * @fb: framebuffer to be initialized |
365 | * @funcs: ... with these functions |
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1123 | serge | 366 | * |
367 | * Allocates an ID for the framebuffer's parent mode object, sets its mode |
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368 | * functions & device file and adds it to the master fd list. |
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369 | * |
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3480 | Serge | 370 | * IMPORTANT: |
371 | * This functions publishes the fb and makes it available for concurrent access |
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372 | * by other users. Which means by this point the fb _must_ be fully set up - |
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373 | * since all the fb attributes are invariant over its lifetime, no further |
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374 | * locking but only correct reference counting is required. |
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375 | * |
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1123 | serge | 376 | * RETURNS: |
1321 | serge | 377 | * Zero on success, error code on failure. |
1123 | serge | 378 | */ |
379 | int drm_framebuffer_init(struct drm_device *dev, struct drm_framebuffer *fb, |
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380 | const struct drm_framebuffer_funcs *funcs) |
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381 | { |
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382 | int ret; |
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1963 | serge | 383 | |
3480 | Serge | 384 | mutex_lock(&dev->mode_config.fb_lock); |
385 | kref_init(&fb->refcount); |
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386 | INIT_LIST_HEAD(&fb->filp_head); |
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387 | fb->dev = dev; |
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388 | fb->funcs = funcs; |
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389 | |||
1123 | serge | 390 | ret = drm_mode_object_get(dev, &fb->base, DRM_MODE_OBJECT_FB); |
3031 | serge | 391 | if (ret) |
3480 | Serge | 392 | goto out; |
1123 | serge | 393 | |
3480 | Serge | 394 | /* Grab the idr reference. */ |
395 | drm_framebuffer_reference(fb); |
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396 | |||
1123 | serge | 397 | dev->mode_config.num_fb++; |
398 | list_add(&fb->head, &dev->mode_config.fb_list); |
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3480 | Serge | 399 | out: |
400 | mutex_unlock(&dev->mode_config.fb_lock); |
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1123 | serge | 401 | |
402 | return 0; |
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403 | } |
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404 | EXPORT_SYMBOL(drm_framebuffer_init); |
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405 | |||
3480 | Serge | 406 | static void drm_framebuffer_free(struct kref *kref) |
407 | { |
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408 | struct drm_framebuffer *fb = |
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409 | container_of(kref, struct drm_framebuffer, refcount); |
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410 | fb->funcs->destroy(fb); |
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411 | } |
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412 | |||
413 | static struct drm_framebuffer *__drm_framebuffer_lookup(struct drm_device *dev, |
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414 | uint32_t id) |
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415 | { |
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416 | struct drm_mode_object *obj = NULL; |
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417 | struct drm_framebuffer *fb; |
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418 | |||
419 | mutex_lock(&dev->mode_config.idr_mutex); |
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420 | obj = idr_find(&dev->mode_config.crtc_idr, id); |
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421 | if (!obj || (obj->type != DRM_MODE_OBJECT_FB) || (obj->id != id)) |
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422 | fb = NULL; |
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423 | else |
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424 | fb = obj_to_fb(obj); |
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425 | mutex_unlock(&dev->mode_config.idr_mutex); |
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426 | |||
427 | return fb; |
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428 | } |
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429 | |||
1123 | serge | 430 | /** |
3480 | Serge | 431 | * drm_framebuffer_lookup - look up a drm framebuffer and grab a reference |
432 | * @dev: drm device |
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433 | * @id: id of the fb object |
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434 | * |
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435 | * If successful, this grabs an additional reference to the framebuffer - |
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436 | * callers need to make sure to eventually unreference the returned framebuffer |
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437 | * again. |
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438 | */ |
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439 | struct drm_framebuffer *drm_framebuffer_lookup(struct drm_device *dev, |
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440 | uint32_t id) |
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441 | { |
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442 | struct drm_framebuffer *fb; |
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443 | |||
444 | mutex_lock(&dev->mode_config.fb_lock); |
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445 | fb = __drm_framebuffer_lookup(dev, id); |
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446 | if (fb) |
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4075 | Serge | 447 | drm_framebuffer_reference(fb); |
3480 | Serge | 448 | mutex_unlock(&dev->mode_config.fb_lock); |
449 | |||
450 | return fb; |
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451 | } |
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452 | EXPORT_SYMBOL(drm_framebuffer_lookup); |
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453 | |||
454 | /** |
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455 | * drm_framebuffer_unreference - unref a framebuffer |
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456 | * @fb: framebuffer to unref |
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457 | * |
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458 | * This functions decrements the fb's refcount and frees it if it drops to zero. |
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459 | */ |
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460 | void drm_framebuffer_unreference(struct drm_framebuffer *fb) |
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461 | { |
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462 | DRM_DEBUG("FB ID: %d\n", fb->base.id); |
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463 | kref_put(&fb->refcount, drm_framebuffer_free); |
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464 | } |
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465 | EXPORT_SYMBOL(drm_framebuffer_unreference); |
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466 | |||
467 | /** |
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468 | * drm_framebuffer_reference - incr the fb refcnt |
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469 | * @fb: framebuffer |
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470 | */ |
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471 | void drm_framebuffer_reference(struct drm_framebuffer *fb) |
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472 | { |
||
473 | DRM_DEBUG("FB ID: %d\n", fb->base.id); |
||
474 | kref_get(&fb->refcount); |
||
475 | } |
||
476 | EXPORT_SYMBOL(drm_framebuffer_reference); |
||
477 | |||
478 | static void drm_framebuffer_free_bug(struct kref *kref) |
||
479 | { |
||
480 | BUG(); |
||
481 | } |
||
482 | |||
483 | static void __drm_framebuffer_unreference(struct drm_framebuffer *fb) |
||
484 | { |
||
485 | DRM_DEBUG("FB ID: %d\n", fb->base.id); |
||
486 | kref_put(&fb->refcount, drm_framebuffer_free_bug); |
||
487 | } |
||
488 | |||
489 | /* dev->mode_config.fb_lock must be held! */ |
||
490 | static void __drm_framebuffer_unregister(struct drm_device *dev, |
||
491 | struct drm_framebuffer *fb) |
||
492 | { |
||
493 | mutex_lock(&dev->mode_config.idr_mutex); |
||
494 | idr_remove(&dev->mode_config.crtc_idr, fb->base.id); |
||
495 | mutex_unlock(&dev->mode_config.idr_mutex); |
||
496 | |||
497 | fb->base.id = 0; |
||
498 | |||
499 | __drm_framebuffer_unreference(fb); |
||
500 | } |
||
501 | |||
502 | /** |
||
503 | * drm_framebuffer_unregister_private - unregister a private fb from the lookup idr |
||
504 | * @fb: fb to unregister |
||
505 | * |
||
506 | * Drivers need to call this when cleaning up driver-private framebuffers, e.g. |
||
507 | * those used for fbdev. Note that the caller must hold a reference of it's own, |
||
508 | * i.e. the object may not be destroyed through this call (since it'll lead to a |
||
509 | * locking inversion). |
||
510 | */ |
||
511 | void drm_framebuffer_unregister_private(struct drm_framebuffer *fb) |
||
512 | { |
||
513 | struct drm_device *dev = fb->dev; |
||
514 | |||
515 | mutex_lock(&dev->mode_config.fb_lock); |
||
516 | /* Mark fb as reaped and drop idr ref. */ |
||
517 | __drm_framebuffer_unregister(dev, fb); |
||
518 | mutex_unlock(&dev->mode_config.fb_lock); |
||
519 | } |
||
520 | EXPORT_SYMBOL(drm_framebuffer_unregister_private); |
||
521 | |||
522 | /** |
||
1123 | serge | 523 | * drm_framebuffer_cleanup - remove a framebuffer object |
524 | * @fb: framebuffer to remove |
||
525 | * |
||
3480 | Serge | 526 | * Cleanup references to a user-created framebuffer. This function is intended |
527 | * to be used from the drivers ->destroy callback. |
||
1123 | serge | 528 | * |
3480 | Serge | 529 | * Note that this function does not remove the fb from active usuage - if it is |
530 | * still used anywhere, hilarity can ensue since userspace could call getfb on |
||
531 | * the id and get back -EINVAL. Obviously no concern at driver unload time. |
||
532 | * |
||
533 | * Also, the framebuffer will not be removed from the lookup idr - for |
||
534 | * user-created framebuffers this will happen in in the rmfb ioctl. For |
||
535 | * driver-private objects (e.g. for fbdev) drivers need to explicitly call |
||
536 | * drm_framebuffer_unregister_private. |
||
1123 | serge | 537 | */ |
538 | void drm_framebuffer_cleanup(struct drm_framebuffer *fb) |
||
539 | { |
||
540 | struct drm_device *dev = fb->dev; |
||
3480 | Serge | 541 | |
542 | mutex_lock(&dev->mode_config.fb_lock); |
||
1123 | serge | 543 | list_del(&fb->head); |
544 | dev->mode_config.num_fb--; |
||
3480 | Serge | 545 | mutex_unlock(&dev->mode_config.fb_lock); |
1123 | serge | 546 | } |
547 | EXPORT_SYMBOL(drm_framebuffer_cleanup); |
||
548 | |||
3480 | Serge | 549 | /** |
550 | * drm_framebuffer_remove - remove and unreference a framebuffer object |
||
551 | * @fb: framebuffer to remove |
||
552 | * |
||
553 | * Scans all the CRTCs and planes in @dev's mode_config. If they're |
||
554 | * using @fb, removes it, setting it to NULL. Then drops the reference to the |
||
555 | * passed-in framebuffer. Might take the modeset locks. |
||
556 | * |
||
557 | * Note that this function optimizes the cleanup away if the caller holds the |
||
558 | * last reference to the framebuffer. It is also guaranteed to not take the |
||
559 | * modeset locks in this case. |
||
560 | */ |
||
561 | void drm_framebuffer_remove(struct drm_framebuffer *fb) |
||
562 | { |
||
563 | struct drm_device *dev = fb->dev; |
||
564 | struct drm_crtc *crtc; |
||
565 | struct drm_plane *plane; |
||
566 | struct drm_mode_set set; |
||
567 | int ret; |
||
3031 | serge | 568 | |
3480 | Serge | 569 | WARN_ON(!list_empty(&fb->filp_head)); |
3031 | serge | 570 | |
3480 | Serge | 571 | /* |
572 | * drm ABI mandates that we remove any deleted framebuffers from active |
||
573 | * useage. But since most sane clients only remove framebuffers they no |
||
574 | * longer need, try to optimize this away. |
||
575 | * |
||
576 | * Since we're holding a reference ourselves, observing a refcount of 1 |
||
577 | * means that we're the last holder and can skip it. Also, the refcount |
||
578 | * can never increase from 1 again, so we don't need any barriers or |
||
579 | * locks. |
||
580 | * |
||
581 | * Note that userspace could try to race with use and instate a new |
||
582 | * usage _after_ we've cleared all current ones. End result will be an |
||
583 | * in-use fb with fb-id == 0. Userspace is allowed to shoot its own foot |
||
584 | * in this manner. |
||
585 | */ |
||
586 | if (atomic_read(&fb->refcount.refcount) > 1) { |
||
587 | drm_modeset_lock_all(dev); |
||
588 | /* remove from any CRTC */ |
||
589 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { |
||
590 | if (crtc->fb == fb) { |
||
591 | /* should turn off the crtc */ |
||
592 | memset(&set, 0, sizeof(struct drm_mode_set)); |
||
593 | set.crtc = crtc; |
||
594 | set.fb = NULL; |
||
595 | ret = drm_mode_set_config_internal(&set); |
||
596 | if (ret) |
||
597 | DRM_ERROR("failed to reset crtc %p when fb was deleted\n", crtc); |
||
598 | } |
||
599 | } |
||
3031 | serge | 600 | |
3480 | Serge | 601 | list_for_each_entry(plane, &dev->mode_config.plane_list, head) { |
4075 | Serge | 602 | if (plane->fb == fb) |
603 | drm_plane_force_disable(plane); |
||
3480 | Serge | 604 | } |
605 | drm_modeset_unlock_all(dev); |
||
606 | } |
||
3031 | serge | 607 | |
3480 | Serge | 608 | drm_framebuffer_unreference(fb); |
609 | } |
||
610 | EXPORT_SYMBOL(drm_framebuffer_remove); |
||
611 | |||
1123 | serge | 612 | /** |
613 | * drm_crtc_init - Initialise a new CRTC object |
||
614 | * @dev: DRM device |
||
615 | * @crtc: CRTC object to init |
||
616 | * @funcs: callbacks for the new CRTC |
||
617 | * |
||
4075 | Serge | 618 | * Inits a new object created as base part of a driver crtc object. |
3031 | serge | 619 | * |
620 | * RETURNS: |
||
621 | * Zero on success, error code on failure. |
||
1123 | serge | 622 | */ |
3031 | serge | 623 | int drm_crtc_init(struct drm_device *dev, struct drm_crtc *crtc, |
1123 | serge | 624 | const struct drm_crtc_funcs *funcs) |
625 | { |
||
3031 | serge | 626 | int ret; |
627 | |||
1123 | serge | 628 | crtc->dev = dev; |
629 | crtc->funcs = funcs; |
||
3031 | serge | 630 | crtc->invert_dimensions = false; |
1123 | serge | 631 | |
3480 | Serge | 632 | drm_modeset_lock_all(dev); |
633 | mutex_init(&crtc->mutex); |
||
634 | mutex_lock_nest_lock(&crtc->mutex, &dev->mode_config.mutex); |
||
1123 | serge | 635 | |
3031 | serge | 636 | ret = drm_mode_object_get(dev, &crtc->base, DRM_MODE_OBJECT_CRTC); |
637 | if (ret) |
||
638 | goto out; |
||
639 | |||
640 | crtc->base.properties = &crtc->properties; |
||
641 | |||
1123 | serge | 642 | list_add_tail(&crtc->head, &dev->mode_config.crtc_list); |
643 | dev->mode_config.num_crtc++; |
||
3031 | serge | 644 | |
645 | out: |
||
3480 | Serge | 646 | drm_modeset_unlock_all(dev); |
3031 | serge | 647 | |
648 | return ret; |
||
1123 | serge | 649 | } |
650 | EXPORT_SYMBOL(drm_crtc_init); |
||
651 | |||
652 | /** |
||
4075 | Serge | 653 | * drm_crtc_cleanup - Clean up the core crtc usage |
1123 | serge | 654 | * @crtc: CRTC to cleanup |
655 | * |
||
4075 | Serge | 656 | * This function cleans up @crtc and removes it from the DRM mode setting |
657 | * core. Note that the function does *not* free the crtc structure itself, |
||
658 | * this is the responsibility of the caller. |
||
1123 | serge | 659 | */ |
660 | void drm_crtc_cleanup(struct drm_crtc *crtc) |
||
661 | { |
||
662 | struct drm_device *dev = crtc->dev; |
||
663 | |||
664 | kfree(crtc->gamma_store); |
||
665 | crtc->gamma_store = NULL; |
||
666 | |||
667 | drm_mode_object_put(dev, &crtc->base); |
||
668 | list_del(&crtc->head); |
||
669 | dev->mode_config.num_crtc--; |
||
670 | } |
||
671 | EXPORT_SYMBOL(drm_crtc_cleanup); |
||
672 | |||
673 | /** |
||
4560 | Serge | 674 | * drm_crtc_index - find the index of a registered CRTC |
675 | * @crtc: CRTC to find index for |
||
676 | * |
||
677 | * Given a registered CRTC, return the index of that CRTC within a DRM |
||
678 | * device's list of CRTCs. |
||
679 | */ |
||
680 | unsigned int drm_crtc_index(struct drm_crtc *crtc) |
||
681 | { |
||
682 | unsigned int index = 0; |
||
683 | struct drm_crtc *tmp; |
||
684 | |||
685 | list_for_each_entry(tmp, &crtc->dev->mode_config.crtc_list, head) { |
||
686 | if (tmp == crtc) |
||
687 | return index; |
||
688 | |||
689 | index++; |
||
690 | } |
||
691 | |||
692 | BUG(); |
||
693 | } |
||
694 | EXPORT_SYMBOL(drm_crtc_index); |
||
695 | |||
696 | /** |
||
1123 | serge | 697 | * drm_mode_probed_add - add a mode to a connector's probed mode list |
698 | * @connector: connector the new mode |
||
699 | * @mode: mode data |
||
700 | * |
||
701 | * Add @mode to @connector's mode list for later use. |
||
702 | */ |
||
703 | void drm_mode_probed_add(struct drm_connector *connector, |
||
704 | struct drm_display_mode *mode) |
||
705 | { |
||
4075 | Serge | 706 | list_add_tail(&mode->head, &connector->probed_modes); |
1123 | serge | 707 | } |
708 | EXPORT_SYMBOL(drm_mode_probed_add); |
||
709 | |||
4104 | Serge | 710 | /* |
1123 | serge | 711 | * drm_mode_remove - remove and free a mode |
712 | * @connector: connector list to modify |
||
713 | * @mode: mode to remove |
||
714 | * |
||
715 | * Remove @mode from @connector's mode list, then free it. |
||
716 | */ |
||
4104 | Serge | 717 | static void drm_mode_remove(struct drm_connector *connector, |
1123 | serge | 718 | struct drm_display_mode *mode) |
719 | { |
||
720 | list_del(&mode->head); |
||
3031 | serge | 721 | drm_mode_destroy(connector->dev, mode); |
1123 | serge | 722 | } |
723 | |||
724 | /** |
||
725 | * drm_connector_init - Init a preallocated connector |
||
726 | * @dev: DRM device |
||
727 | * @connector: the connector to init |
||
728 | * @funcs: callbacks for this connector |
||
3480 | Serge | 729 | * @connector_type: user visible type of the connector |
1123 | serge | 730 | * |
731 | * Initialises a preallocated connector. Connectors should be |
||
732 | * subclassed as part of driver connector objects. |
||
3031 | serge | 733 | * |
734 | * RETURNS: |
||
735 | * Zero on success, error code on failure. |
||
1123 | serge | 736 | */ |
3031 | serge | 737 | int drm_connector_init(struct drm_device *dev, |
1123 | serge | 738 | struct drm_connector *connector, |
739 | const struct drm_connector_funcs *funcs, |
||
740 | int connector_type) |
||
741 | { |
||
3031 | serge | 742 | int ret; |
4104 | Serge | 743 | struct ida *connector_ida = |
744 | &drm_connector_enum_list[connector_type].ida; |
||
3031 | serge | 745 | |
3480 | Serge | 746 | drm_modeset_lock_all(dev); |
1123 | serge | 747 | |
3031 | serge | 748 | ret = drm_mode_object_get(dev, &connector->base, DRM_MODE_OBJECT_CONNECTOR); |
749 | if (ret) |
||
750 | goto out; |
||
751 | |||
752 | connector->base.properties = &connector->properties; |
||
1123 | serge | 753 | connector->dev = dev; |
754 | connector->funcs = funcs; |
||
755 | connector->connector_type = connector_type; |
||
756 | connector->connector_type_id = |
||
4104 | Serge | 757 | ida_simple_get(connector_ida, 1, 0, GFP_KERNEL); |
758 | if (connector->connector_type_id < 0) { |
||
759 | ret = connector->connector_type_id; |
||
760 | drm_mode_object_put(dev, &connector->base); |
||
761 | goto out; |
||
762 | } |
||
1123 | serge | 763 | INIT_LIST_HEAD(&connector->probed_modes); |
764 | INIT_LIST_HEAD(&connector->modes); |
||
765 | connector->edid_blob_ptr = NULL; |
||
3192 | Serge | 766 | connector->status = connector_status_unknown; |
1123 | serge | 767 | |
768 | list_add_tail(&connector->head, &dev->mode_config.connector_list); |
||
769 | dev->mode_config.num_connector++; |
||
770 | |||
3031 | serge | 771 | if (connector_type != DRM_MODE_CONNECTOR_VIRTUAL) |
3192 | Serge | 772 | drm_object_attach_property(&connector->base, |
3031 | serge | 773 | dev->mode_config.edid_property, |
774 | 0); |
||
1123 | serge | 775 | |
3192 | Serge | 776 | drm_object_attach_property(&connector->base, |
1123 | serge | 777 | dev->mode_config.dpms_property, 0); |
778 | |||
3031 | serge | 779 | out: |
3480 | Serge | 780 | drm_modeset_unlock_all(dev); |
3031 | serge | 781 | |
782 | return ret; |
||
1123 | serge | 783 | } |
784 | EXPORT_SYMBOL(drm_connector_init); |
||
785 | |||
786 | /** |
||
787 | * drm_connector_cleanup - cleans up an initialised connector |
||
788 | * @connector: connector to cleanup |
||
789 | * |
||
790 | * Cleans up the connector but doesn't free the object. |
||
791 | */ |
||
792 | void drm_connector_cleanup(struct drm_connector *connector) |
||
793 | { |
||
794 | struct drm_device *dev = connector->dev; |
||
795 | struct drm_display_mode *mode, *t; |
||
796 | |||
797 | list_for_each_entry_safe(mode, t, &connector->probed_modes, head) |
||
798 | drm_mode_remove(connector, mode); |
||
799 | |||
800 | list_for_each_entry_safe(mode, t, &connector->modes, head) |
||
801 | drm_mode_remove(connector, mode); |
||
802 | |||
4104 | Serge | 803 | ida_remove(&drm_connector_enum_list[connector->connector_type].ida, |
804 | connector->connector_type_id); |
||
805 | |||
1123 | serge | 806 | drm_mode_object_put(dev, &connector->base); |
807 | list_del(&connector->head); |
||
2160 | serge | 808 | dev->mode_config.num_connector--; |
1123 | serge | 809 | } |
810 | EXPORT_SYMBOL(drm_connector_cleanup); |
||
811 | |||
3031 | serge | 812 | void drm_connector_unplug_all(struct drm_device *dev) |
813 | { |
||
814 | struct drm_connector *connector; |
||
815 | |||
816 | /* taking the mode config mutex ends up in a clash with sysfs */ |
||
817 | // list_for_each_entry(connector, &dev->mode_config.connector_list, head) |
||
818 | // drm_sysfs_connector_remove(connector); |
||
819 | |||
820 | } |
||
821 | EXPORT_SYMBOL(drm_connector_unplug_all); |
||
822 | |||
4104 | Serge | 823 | int drm_bridge_init(struct drm_device *dev, struct drm_bridge *bridge, |
824 | const struct drm_bridge_funcs *funcs) |
||
825 | { |
||
826 | int ret; |
||
827 | |||
828 | drm_modeset_lock_all(dev); |
||
829 | |||
830 | ret = drm_mode_object_get(dev, &bridge->base, DRM_MODE_OBJECT_BRIDGE); |
||
831 | if (ret) |
||
832 | goto out; |
||
833 | |||
834 | bridge->dev = dev; |
||
835 | bridge->funcs = funcs; |
||
836 | |||
837 | list_add_tail(&bridge->head, &dev->mode_config.bridge_list); |
||
838 | dev->mode_config.num_bridge++; |
||
839 | |||
840 | out: |
||
841 | drm_modeset_unlock_all(dev); |
||
842 | return ret; |
||
843 | } |
||
844 | EXPORT_SYMBOL(drm_bridge_init); |
||
845 | |||
846 | void drm_bridge_cleanup(struct drm_bridge *bridge) |
||
847 | { |
||
848 | struct drm_device *dev = bridge->dev; |
||
849 | |||
850 | drm_modeset_lock_all(dev); |
||
851 | drm_mode_object_put(dev, &bridge->base); |
||
852 | list_del(&bridge->head); |
||
853 | dev->mode_config.num_bridge--; |
||
854 | drm_modeset_unlock_all(dev); |
||
855 | } |
||
856 | EXPORT_SYMBOL(drm_bridge_cleanup); |
||
857 | |||
3031 | serge | 858 | int drm_encoder_init(struct drm_device *dev, |
1123 | serge | 859 | struct drm_encoder *encoder, |
860 | const struct drm_encoder_funcs *funcs, |
||
861 | int encoder_type) |
||
862 | { |
||
3031 | serge | 863 | int ret; |
864 | |||
3480 | Serge | 865 | drm_modeset_lock_all(dev); |
1123 | serge | 866 | |
3031 | serge | 867 | ret = drm_mode_object_get(dev, &encoder->base, DRM_MODE_OBJECT_ENCODER); |
868 | if (ret) |
||
869 | goto out; |
||
870 | |||
1123 | serge | 871 | encoder->dev = dev; |
872 | encoder->encoder_type = encoder_type; |
||
873 | encoder->funcs = funcs; |
||
874 | |||
875 | list_add_tail(&encoder->head, &dev->mode_config.encoder_list); |
||
876 | dev->mode_config.num_encoder++; |
||
877 | |||
3031 | serge | 878 | out: |
3480 | Serge | 879 | drm_modeset_unlock_all(dev); |
3031 | serge | 880 | |
881 | return ret; |
||
1123 | serge | 882 | } |
883 | EXPORT_SYMBOL(drm_encoder_init); |
||
884 | |||
885 | void drm_encoder_cleanup(struct drm_encoder *encoder) |
||
886 | { |
||
887 | struct drm_device *dev = encoder->dev; |
||
3480 | Serge | 888 | drm_modeset_lock_all(dev); |
1123 | serge | 889 | drm_mode_object_put(dev, &encoder->base); |
890 | list_del(&encoder->head); |
||
2160 | serge | 891 | dev->mode_config.num_encoder--; |
3480 | Serge | 892 | drm_modeset_unlock_all(dev); |
1123 | serge | 893 | } |
894 | EXPORT_SYMBOL(drm_encoder_cleanup); |
||
895 | |||
4075 | Serge | 896 | /** |
897 | * drm_plane_init - Initialise a new plane object |
||
898 | * @dev: DRM device |
||
899 | * @plane: plane object to init |
||
900 | * @possible_crtcs: bitmask of possible CRTCs |
||
901 | * @funcs: callbacks for the new plane |
||
902 | * @formats: array of supported formats (%DRM_FORMAT_*) |
||
903 | * @format_count: number of elements in @formats |
||
904 | * @priv: plane is private (hidden from userspace)? |
||
905 | * |
||
906 | * Inits a new object created as base part of a driver plane object. |
||
907 | * |
||
908 | * RETURNS: |
||
909 | * Zero on success, error code on failure. |
||
910 | */ |
||
3031 | serge | 911 | int drm_plane_init(struct drm_device *dev, struct drm_plane *plane, |
912 | unsigned long possible_crtcs, |
||
913 | const struct drm_plane_funcs *funcs, |
||
914 | const uint32_t *formats, uint32_t format_count, |
||
915 | bool priv) |
||
916 | { |
||
917 | int ret; |
||
918 | |||
3480 | Serge | 919 | drm_modeset_lock_all(dev); |
3031 | serge | 920 | |
921 | ret = drm_mode_object_get(dev, &plane->base, DRM_MODE_OBJECT_PLANE); |
||
922 | if (ret) |
||
923 | goto out; |
||
924 | |||
925 | plane->base.properties = &plane->properties; |
||
926 | plane->dev = dev; |
||
927 | plane->funcs = funcs; |
||
928 | plane->format_types = kmalloc(sizeof(uint32_t) * format_count, |
||
929 | GFP_KERNEL); |
||
930 | if (!plane->format_types) { |
||
931 | DRM_DEBUG_KMS("out of memory when allocating plane\n"); |
||
932 | drm_mode_object_put(dev, &plane->base); |
||
933 | ret = -ENOMEM; |
||
934 | goto out; |
||
935 | } |
||
936 | |||
937 | memcpy(plane->format_types, formats, format_count * sizeof(uint32_t)); |
||
938 | plane->format_count = format_count; |
||
939 | plane->possible_crtcs = possible_crtcs; |
||
940 | |||
941 | /* private planes are not exposed to userspace, but depending on |
||
942 | * display hardware, might be convenient to allow sharing programming |
||
943 | * for the scanout engine with the crtc implementation. |
||
944 | */ |
||
945 | if (!priv) { |
||
946 | list_add_tail(&plane->head, &dev->mode_config.plane_list); |
||
947 | dev->mode_config.num_plane++; |
||
948 | } else { |
||
949 | INIT_LIST_HEAD(&plane->head); |
||
950 | } |
||
951 | |||
952 | out: |
||
3480 | Serge | 953 | drm_modeset_unlock_all(dev); |
3031 | serge | 954 | |
955 | return ret; |
||
956 | } |
||
957 | EXPORT_SYMBOL(drm_plane_init); |
||
958 | |||
4075 | Serge | 959 | /** |
960 | * drm_plane_cleanup - Clean up the core plane usage |
||
961 | * @plane: plane to cleanup |
||
962 | * |
||
963 | * This function cleans up @plane and removes it from the DRM mode setting |
||
964 | * core. Note that the function does *not* free the plane structure itself, |
||
965 | * this is the responsibility of the caller. |
||
966 | */ |
||
3031 | serge | 967 | void drm_plane_cleanup(struct drm_plane *plane) |
968 | { |
||
969 | struct drm_device *dev = plane->dev; |
||
970 | |||
3480 | Serge | 971 | drm_modeset_lock_all(dev); |
3031 | serge | 972 | kfree(plane->format_types); |
973 | drm_mode_object_put(dev, &plane->base); |
||
974 | /* if not added to a list, it must be a private plane */ |
||
975 | if (!list_empty(&plane->head)) { |
||
976 | list_del(&plane->head); |
||
977 | dev->mode_config.num_plane--; |
||
978 | } |
||
3480 | Serge | 979 | drm_modeset_unlock_all(dev); |
3031 | serge | 980 | } |
981 | EXPORT_SYMBOL(drm_plane_cleanup); |
||
982 | |||
1123 | serge | 983 | /** |
4075 | Serge | 984 | * drm_plane_force_disable - Forcibly disable a plane |
985 | * @plane: plane to disable |
||
986 | * |
||
987 | * Forces the plane to be disabled. |
||
988 | * |
||
989 | * Used when the plane's current framebuffer is destroyed, |
||
990 | * and when restoring fbdev mode. |
||
991 | */ |
||
992 | void drm_plane_force_disable(struct drm_plane *plane) |
||
993 | { |
||
994 | int ret; |
||
995 | |||
996 | if (!plane->fb) |
||
997 | return; |
||
998 | |||
999 | ret = plane->funcs->disable_plane(plane); |
||
1000 | if (ret) |
||
1001 | DRM_ERROR("failed to disable plane with busy fb\n"); |
||
1002 | /* disconnect the plane from the fb and crtc: */ |
||
1003 | __drm_framebuffer_unreference(plane->fb); |
||
1004 | plane->fb = NULL; |
||
1005 | plane->crtc = NULL; |
||
1006 | } |
||
1007 | EXPORT_SYMBOL(drm_plane_force_disable); |
||
1008 | |||
1009 | /** |
||
1123 | serge | 1010 | * drm_mode_create - create a new display mode |
1011 | * @dev: DRM device |
||
1012 | * |
||
1013 | * Create a new drm_display_mode, give it an ID, and return it. |
||
1014 | * |
||
1015 | * RETURNS: |
||
1016 | * Pointer to new mode on success, NULL on error. |
||
1017 | */ |
||
1018 | struct drm_display_mode *drm_mode_create(struct drm_device *dev) |
||
1019 | { |
||
1020 | struct drm_display_mode *nmode; |
||
1021 | |||
1022 | nmode = kzalloc(sizeof(struct drm_display_mode), GFP_KERNEL); |
||
1023 | if (!nmode) |
||
1024 | return NULL; |
||
1025 | |||
3031 | serge | 1026 | if (drm_mode_object_get(dev, &nmode->base, DRM_MODE_OBJECT_MODE)) { |
1027 | kfree(nmode); |
||
1028 | return NULL; |
||
1029 | } |
||
1030 | |||
1123 | serge | 1031 | return nmode; |
1032 | } |
||
1033 | EXPORT_SYMBOL(drm_mode_create); |
||
1034 | |||
1035 | /** |
||
1036 | * drm_mode_destroy - remove a mode |
||
1037 | * @dev: DRM device |
||
1038 | * @mode: mode to remove |
||
1039 | * |
||
1040 | * Free @mode's unique identifier, then free it. |
||
1041 | */ |
||
1042 | void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode) |
||
1043 | { |
||
3031 | serge | 1044 | if (!mode) |
1045 | return; |
||
1046 | |||
1123 | serge | 1047 | drm_mode_object_put(dev, &mode->base); |
1048 | |||
1049 | kfree(mode); |
||
1050 | } |
||
1051 | EXPORT_SYMBOL(drm_mode_destroy); |
||
1052 | |||
1053 | static int drm_mode_create_standard_connector_properties(struct drm_device *dev) |
||
1054 | { |
||
1055 | struct drm_property *edid; |
||
1056 | struct drm_property *dpms; |
||
1057 | |||
1058 | /* |
||
1059 | * Standard properties (apply to all connectors) |
||
1060 | */ |
||
1061 | edid = drm_property_create(dev, DRM_MODE_PROP_BLOB | |
||
1062 | DRM_MODE_PROP_IMMUTABLE, |
||
1063 | "EDID", 0); |
||
1064 | dev->mode_config.edid_property = edid; |
||
1065 | |||
3031 | serge | 1066 | dpms = drm_property_create_enum(dev, 0, |
1067 | "DPMS", drm_dpms_enum_list, |
||
1068 | ARRAY_SIZE(drm_dpms_enum_list)); |
||
1123 | serge | 1069 | dev->mode_config.dpms_property = dpms; |
1070 | |||
1071 | return 0; |
||
1072 | } |
||
1073 | |||
1074 | /** |
||
1075 | * drm_mode_create_dvi_i_properties - create DVI-I specific connector properties |
||
1076 | * @dev: DRM device |
||
1077 | * |
||
1078 | * Called by a driver the first time a DVI-I connector is made. |
||
1079 | */ |
||
1080 | int drm_mode_create_dvi_i_properties(struct drm_device *dev) |
||
1081 | { |
||
1082 | struct drm_property *dvi_i_selector; |
||
1083 | struct drm_property *dvi_i_subconnector; |
||
1084 | |||
1085 | if (dev->mode_config.dvi_i_select_subconnector_property) |
||
1086 | return 0; |
||
1087 | |||
1088 | dvi_i_selector = |
||
3031 | serge | 1089 | drm_property_create_enum(dev, 0, |
1123 | serge | 1090 | "select subconnector", |
3031 | serge | 1091 | drm_dvi_i_select_enum_list, |
1123 | serge | 1092 | ARRAY_SIZE(drm_dvi_i_select_enum_list)); |
1093 | dev->mode_config.dvi_i_select_subconnector_property = dvi_i_selector; |
||
1094 | |||
3031 | serge | 1095 | dvi_i_subconnector = drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, |
1123 | serge | 1096 | "subconnector", |
3031 | serge | 1097 | drm_dvi_i_subconnector_enum_list, |
1123 | serge | 1098 | ARRAY_SIZE(drm_dvi_i_subconnector_enum_list)); |
1099 | dev->mode_config.dvi_i_subconnector_property = dvi_i_subconnector; |
||
1100 | |||
1101 | return 0; |
||
1102 | } |
||
1103 | EXPORT_SYMBOL(drm_mode_create_dvi_i_properties); |
||
1104 | |||
1105 | /** |
||
1106 | * drm_create_tv_properties - create TV specific connector properties |
||
1107 | * @dev: DRM device |
||
1108 | * @num_modes: number of different TV formats (modes) supported |
||
1109 | * @modes: array of pointers to strings containing name of each format |
||
1110 | * |
||
1111 | * Called by a driver's TV initialization routine, this function creates |
||
1112 | * the TV specific connector properties for a given device. Caller is |
||
1113 | * responsible for allocating a list of format names and passing them to |
||
1114 | * this routine. |
||
1115 | */ |
||
1116 | int drm_mode_create_tv_properties(struct drm_device *dev, int num_modes, |
||
1117 | char *modes[]) |
||
1118 | { |
||
1119 | struct drm_property *tv_selector; |
||
1120 | struct drm_property *tv_subconnector; |
||
1121 | int i; |
||
1122 | |||
1123 | if (dev->mode_config.tv_select_subconnector_property) |
||
1124 | return 0; |
||
1125 | |||
1126 | /* |
||
1127 | * Basic connector properties |
||
1128 | */ |
||
3031 | serge | 1129 | tv_selector = drm_property_create_enum(dev, 0, |
1123 | serge | 1130 | "select subconnector", |
3031 | serge | 1131 | drm_tv_select_enum_list, |
1123 | serge | 1132 | ARRAY_SIZE(drm_tv_select_enum_list)); |
1133 | dev->mode_config.tv_select_subconnector_property = tv_selector; |
||
1134 | |||
1135 | tv_subconnector = |
||
3031 | serge | 1136 | drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, |
1137 | "subconnector", |
||
1138 | drm_tv_subconnector_enum_list, |
||
1123 | serge | 1139 | ARRAY_SIZE(drm_tv_subconnector_enum_list)); |
1140 | dev->mode_config.tv_subconnector_property = tv_subconnector; |
||
1141 | |||
1142 | /* |
||
1143 | * Other, TV specific properties: margins & TV modes. |
||
1144 | */ |
||
1145 | dev->mode_config.tv_left_margin_property = |
||
3031 | serge | 1146 | drm_property_create_range(dev, 0, "left margin", 0, 100); |
1123 | serge | 1147 | |
1148 | dev->mode_config.tv_right_margin_property = |
||
3031 | serge | 1149 | drm_property_create_range(dev, 0, "right margin", 0, 100); |
1123 | serge | 1150 | |
1151 | dev->mode_config.tv_top_margin_property = |
||
3031 | serge | 1152 | drm_property_create_range(dev, 0, "top margin", 0, 100); |
1123 | serge | 1153 | |
1154 | dev->mode_config.tv_bottom_margin_property = |
||
3031 | serge | 1155 | drm_property_create_range(dev, 0, "bottom margin", 0, 100); |
1123 | serge | 1156 | |
1157 | dev->mode_config.tv_mode_property = |
||
1158 | drm_property_create(dev, DRM_MODE_PROP_ENUM, |
||
1159 | "mode", num_modes); |
||
1160 | for (i = 0; i < num_modes; i++) |
||
1161 | drm_property_add_enum(dev->mode_config.tv_mode_property, i, |
||
1162 | i, modes[i]); |
||
1163 | |||
1179 | serge | 1164 | dev->mode_config.tv_brightness_property = |
3031 | serge | 1165 | drm_property_create_range(dev, 0, "brightness", 0, 100); |
1179 | serge | 1166 | |
1167 | dev->mode_config.tv_contrast_property = |
||
3031 | serge | 1168 | drm_property_create_range(dev, 0, "contrast", 0, 100); |
1179 | serge | 1169 | |
1170 | dev->mode_config.tv_flicker_reduction_property = |
||
3031 | serge | 1171 | drm_property_create_range(dev, 0, "flicker reduction", 0, 100); |
1179 | serge | 1172 | |
1173 | dev->mode_config.tv_overscan_property = |
||
3031 | serge | 1174 | drm_property_create_range(dev, 0, "overscan", 0, 100); |
1179 | serge | 1175 | |
1176 | dev->mode_config.tv_saturation_property = |
||
3031 | serge | 1177 | drm_property_create_range(dev, 0, "saturation", 0, 100); |
1179 | serge | 1178 | |
1179 | dev->mode_config.tv_hue_property = |
||
3031 | serge | 1180 | drm_property_create_range(dev, 0, "hue", 0, 100); |
1179 | serge | 1181 | |
1123 | serge | 1182 | return 0; |
1183 | } |
||
1184 | EXPORT_SYMBOL(drm_mode_create_tv_properties); |
||
1185 | |||
1186 | /** |
||
1187 | * drm_mode_create_scaling_mode_property - create scaling mode property |
||
1188 | * @dev: DRM device |
||
1189 | * |
||
1190 | * Called by a driver the first time it's needed, must be attached to desired |
||
1191 | * connectors. |
||
1192 | */ |
||
1193 | int drm_mode_create_scaling_mode_property(struct drm_device *dev) |
||
1194 | { |
||
1195 | struct drm_property *scaling_mode; |
||
1196 | |||
1197 | if (dev->mode_config.scaling_mode_property) |
||
1198 | return 0; |
||
1199 | |||
1200 | scaling_mode = |
||
3031 | serge | 1201 | drm_property_create_enum(dev, 0, "scaling mode", |
1202 | drm_scaling_mode_enum_list, |
||
1123 | serge | 1203 | ARRAY_SIZE(drm_scaling_mode_enum_list)); |
1204 | |||
1205 | dev->mode_config.scaling_mode_property = scaling_mode; |
||
1206 | |||
1207 | return 0; |
||
1208 | } |
||
1209 | EXPORT_SYMBOL(drm_mode_create_scaling_mode_property); |
||
1210 | |||
1211 | /** |
||
1321 | serge | 1212 | * drm_mode_create_dirty_property - create dirty property |
1213 | * @dev: DRM device |
||
1214 | * |
||
1215 | * Called by a driver the first time it's needed, must be attached to desired |
||
1216 | * connectors. |
||
1217 | */ |
||
1218 | int drm_mode_create_dirty_info_property(struct drm_device *dev) |
||
1219 | { |
||
1220 | struct drm_property *dirty_info; |
||
1221 | |||
1222 | if (dev->mode_config.dirty_info_property) |
||
1223 | return 0; |
||
1224 | |||
1225 | dirty_info = |
||
3031 | serge | 1226 | drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, |
1321 | serge | 1227 | "dirty", |
3031 | serge | 1228 | drm_dirty_info_enum_list, |
1321 | serge | 1229 | ARRAY_SIZE(drm_dirty_info_enum_list)); |
1230 | dev->mode_config.dirty_info_property = dirty_info; |
||
1231 | |||
1232 | return 0; |
||
1233 | } |
||
1234 | EXPORT_SYMBOL(drm_mode_create_dirty_info_property); |
||
1235 | |||
3746 | Serge | 1236 | static int drm_mode_group_init(struct drm_device *dev, struct drm_mode_group *group) |
1123 | serge | 1237 | { |
1238 | uint32_t total_objects = 0; |
||
1239 | |||
1240 | total_objects += dev->mode_config.num_crtc; |
||
1241 | total_objects += dev->mode_config.num_connector; |
||
1242 | total_objects += dev->mode_config.num_encoder; |
||
4104 | Serge | 1243 | total_objects += dev->mode_config.num_bridge; |
1123 | serge | 1244 | |
1245 | group->id_list = kzalloc(total_objects * sizeof(uint32_t), GFP_KERNEL); |
||
1246 | if (!group->id_list) |
||
1247 | return -ENOMEM; |
||
1248 | |||
1249 | group->num_crtcs = 0; |
||
1250 | group->num_connectors = 0; |
||
1251 | group->num_encoders = 0; |
||
4104 | Serge | 1252 | group->num_bridges = 0; |
1123 | serge | 1253 | return 0; |
1254 | } |
||
1255 | |||
1256 | int drm_mode_group_init_legacy_group(struct drm_device *dev, |
||
1257 | struct drm_mode_group *group) |
||
1258 | { |
||
1259 | struct drm_crtc *crtc; |
||
1260 | struct drm_encoder *encoder; |
||
1261 | struct drm_connector *connector; |
||
4104 | Serge | 1262 | struct drm_bridge *bridge; |
1123 | serge | 1263 | int ret; |
1264 | |||
1265 | if ((ret = drm_mode_group_init(dev, group))) |
||
1266 | return ret; |
||
1267 | |||
1268 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) |
||
1269 | group->id_list[group->num_crtcs++] = crtc->base.id; |
||
1270 | |||
1271 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) |
||
1272 | group->id_list[group->num_crtcs + group->num_encoders++] = |
||
1273 | encoder->base.id; |
||
1274 | |||
1275 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) |
||
1276 | group->id_list[group->num_crtcs + group->num_encoders + |
||
1277 | group->num_connectors++] = connector->base.id; |
||
1278 | |||
4104 | Serge | 1279 | list_for_each_entry(bridge, &dev->mode_config.bridge_list, head) |
1280 | group->id_list[group->num_crtcs + group->num_encoders + |
||
1281 | group->num_connectors + group->num_bridges++] = |
||
1282 | bridge->base.id; |
||
1283 | |||
1123 | serge | 1284 | return 0; |
1285 | } |
||
3031 | serge | 1286 | EXPORT_SYMBOL(drm_mode_group_init_legacy_group); |
1123 | serge | 1287 | |
1288 | /** |
||
1289 | * drm_crtc_convert_to_umode - convert a drm_display_mode into a modeinfo |
||
1290 | * @out: drm_mode_modeinfo struct to return to the user |
||
1291 | * @in: drm_display_mode to use |
||
1292 | * |
||
1293 | * Convert a drm_display_mode into a drm_mode_modeinfo structure to return to |
||
1294 | * the user. |
||
1295 | */ |
||
3031 | serge | 1296 | static void drm_crtc_convert_to_umode(struct drm_mode_modeinfo *out, |
1297 | const struct drm_display_mode *in) |
||
1123 | serge | 1298 | { |
3031 | serge | 1299 | WARN(in->hdisplay > USHRT_MAX || in->hsync_start > USHRT_MAX || |
1300 | in->hsync_end > USHRT_MAX || in->htotal > USHRT_MAX || |
||
1301 | in->hskew > USHRT_MAX || in->vdisplay > USHRT_MAX || |
||
1302 | in->vsync_start > USHRT_MAX || in->vsync_end > USHRT_MAX || |
||
1303 | in->vtotal > USHRT_MAX || in->vscan > USHRT_MAX, |
||
1304 | "timing values too large for mode info\n"); |
||
1305 | |||
1123 | serge | 1306 | out->clock = in->clock; |
1307 | out->hdisplay = in->hdisplay; |
||
1308 | out->hsync_start = in->hsync_start; |
||
1309 | out->hsync_end = in->hsync_end; |
||
1310 | out->htotal = in->htotal; |
||
1311 | out->hskew = in->hskew; |
||
1312 | out->vdisplay = in->vdisplay; |
||
1313 | out->vsync_start = in->vsync_start; |
||
1314 | out->vsync_end = in->vsync_end; |
||
1315 | out->vtotal = in->vtotal; |
||
1316 | out->vscan = in->vscan; |
||
1317 | out->vrefresh = in->vrefresh; |
||
1318 | out->flags = in->flags; |
||
1319 | out->type = in->type; |
||
1320 | strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN); |
||
1321 | out->name[DRM_DISPLAY_MODE_LEN-1] = 0; |
||
1322 | } |
||
1323 | |||
1324 | /** |
||
4560 | Serge | 1325 | * drm_crtc_convert_umode - convert a modeinfo into a drm_display_mode |
1123 | serge | 1326 | * @out: drm_display_mode to return to the user |
1327 | * @in: drm_mode_modeinfo to use |
||
1328 | * |
||
1329 | * Convert a drm_mode_modeinfo into a drm_display_mode structure to return to |
||
1330 | * the caller. |
||
3031 | serge | 1331 | * |
1332 | * RETURNS: |
||
1333 | * Zero on success, errno on failure. |
||
1123 | serge | 1334 | */ |
3031 | serge | 1335 | static int drm_crtc_convert_umode(struct drm_display_mode *out, |
1336 | const struct drm_mode_modeinfo *in) |
||
1123 | serge | 1337 | { |
3031 | serge | 1338 | if (in->clock > INT_MAX || in->vrefresh > INT_MAX) |
1339 | return -ERANGE; |
||
1340 | |||
4560 | Serge | 1341 | if ((in->flags & DRM_MODE_FLAG_3D_MASK) > DRM_MODE_FLAG_3D_MAX) |
1342 | return -EINVAL; |
||
1343 | |||
1123 | serge | 1344 | out->clock = in->clock; |
1345 | out->hdisplay = in->hdisplay; |
||
1346 | out->hsync_start = in->hsync_start; |
||
1347 | out->hsync_end = in->hsync_end; |
||
1348 | out->htotal = in->htotal; |
||
1349 | out->hskew = in->hskew; |
||
1350 | out->vdisplay = in->vdisplay; |
||
1351 | out->vsync_start = in->vsync_start; |
||
1352 | out->vsync_end = in->vsync_end; |
||
1353 | out->vtotal = in->vtotal; |
||
1354 | out->vscan = in->vscan; |
||
1355 | out->vrefresh = in->vrefresh; |
||
1356 | out->flags = in->flags; |
||
1357 | out->type = in->type; |
||
1358 | strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN); |
||
1359 | out->name[DRM_DISPLAY_MODE_LEN-1] = 0; |
||
3031 | serge | 1360 | |
1361 | return 0; |
||
1123 | serge | 1362 | } |
1363 | |||
1364 | |||
1365 | #if 0 |
||
1366 | /** |
||
1367 | * drm_mode_getresources - get graphics configuration |
||
3480 | Serge | 1368 | * @dev: drm device for the ioctl |
1369 | * @data: data pointer for the ioctl |
||
1370 | * @file_priv: drm file for the ioctl call |
||
1123 | serge | 1371 | * |
1372 | * Construct a set of configuration description structures and return |
||
1373 | * them to the user, including CRTC, connector and framebuffer configuration. |
||
1374 | * |
||
1375 | * Called by the user via ioctl. |
||
1376 | * |
||
1377 | * RETURNS: |
||
1378 | * Zero on success, errno on failure. |
||
1379 | */ |
||
1380 | int drm_mode_getresources(struct drm_device *dev, void *data, |
||
1381 | struct drm_file *file_priv) |
||
1382 | { |
||
1383 | struct drm_mode_card_res *card_res = data; |
||
1384 | struct list_head *lh; |
||
1385 | struct drm_framebuffer *fb; |
||
1386 | struct drm_connector *connector; |
||
1387 | struct drm_crtc *crtc; |
||
1388 | struct drm_encoder *encoder; |
||
1389 | int ret = 0; |
||
1390 | int connector_count = 0; |
||
1391 | int crtc_count = 0; |
||
1392 | int fb_count = 0; |
||
1393 | int encoder_count = 0; |
||
1394 | int copied = 0, i; |
||
1395 | uint32_t __user *fb_id; |
||
1396 | uint32_t __user *crtc_id; |
||
1397 | uint32_t __user *connector_id; |
||
1398 | uint32_t __user *encoder_id; |
||
1399 | struct drm_mode_group *mode_group; |
||
1400 | |||
1963 | serge | 1401 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1402 | return -EINVAL; |
||
1403 | |||
1123 | serge | 1404 | |
3480 | Serge | 1405 | mutex_lock(&file_priv->fbs_lock); |
1123 | serge | 1406 | /* |
1407 | * For the non-control nodes we need to limit the list of resources |
||
1408 | * by IDs in the group list for this node |
||
1409 | */ |
||
1410 | list_for_each(lh, &file_priv->fbs) |
||
1411 | fb_count++; |
||
1412 | |||
3480 | Serge | 1413 | /* handle this in 4 parts */ |
1414 | /* FBs */ |
||
1415 | if (card_res->count_fbs >= fb_count) { |
||
1416 | copied = 0; |
||
1417 | fb_id = (uint32_t __user *)(unsigned long)card_res->fb_id_ptr; |
||
1418 | list_for_each_entry(fb, &file_priv->fbs, filp_head) { |
||
1419 | if (put_user(fb->base.id, fb_id + copied)) { |
||
1420 | mutex_unlock(&file_priv->fbs_lock); |
||
1421 | return -EFAULT; |
||
1422 | } |
||
1423 | copied++; |
||
1424 | } |
||
1425 | } |
||
1426 | card_res->count_fbs = fb_count; |
||
1427 | mutex_unlock(&file_priv->fbs_lock); |
||
1428 | |||
1429 | drm_modeset_lock_all(dev); |
||
1123 | serge | 1430 | mode_group = &file_priv->master->minor->mode_group; |
1431 | if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { |
||
1432 | |||
1433 | list_for_each(lh, &dev->mode_config.crtc_list) |
||
1434 | crtc_count++; |
||
1435 | |||
1436 | list_for_each(lh, &dev->mode_config.connector_list) |
||
1437 | connector_count++; |
||
1438 | |||
1439 | list_for_each(lh, &dev->mode_config.encoder_list) |
||
1440 | encoder_count++; |
||
1441 | } else { |
||
1442 | |||
1443 | crtc_count = mode_group->num_crtcs; |
||
1444 | connector_count = mode_group->num_connectors; |
||
1445 | encoder_count = mode_group->num_encoders; |
||
1446 | } |
||
1447 | |||
1448 | card_res->max_height = dev->mode_config.max_height; |
||
1449 | card_res->min_height = dev->mode_config.min_height; |
||
1450 | card_res->max_width = dev->mode_config.max_width; |
||
1451 | card_res->min_width = dev->mode_config.min_width; |
||
1452 | |||
1453 | /* CRTCs */ |
||
1454 | if (card_res->count_crtcs >= crtc_count) { |
||
1455 | copied = 0; |
||
1456 | crtc_id = (uint32_t __user *)(unsigned long)card_res->crtc_id_ptr; |
||
1457 | if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { |
||
1458 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, |
||
1459 | head) { |
||
1963 | serge | 1460 | DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id); |
1123 | serge | 1461 | if (put_user(crtc->base.id, crtc_id + copied)) { |
1462 | ret = -EFAULT; |
||
1463 | goto out; |
||
1464 | } |
||
1465 | copied++; |
||
1466 | } |
||
1467 | } else { |
||
1468 | for (i = 0; i < mode_group->num_crtcs; i++) { |
||
1469 | if (put_user(mode_group->id_list[i], |
||
1470 | crtc_id + copied)) { |
||
1471 | ret = -EFAULT; |
||
1472 | goto out; |
||
1473 | } |
||
1474 | copied++; |
||
1475 | } |
||
1476 | } |
||
1477 | } |
||
1478 | card_res->count_crtcs = crtc_count; |
||
1479 | |||
1480 | /* Encoders */ |
||
1481 | if (card_res->count_encoders >= encoder_count) { |
||
1482 | copied = 0; |
||
1483 | encoder_id = (uint32_t __user *)(unsigned long)card_res->encoder_id_ptr; |
||
1484 | if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { |
||
1485 | list_for_each_entry(encoder, |
||
1486 | &dev->mode_config.encoder_list, |
||
1487 | head) { |
||
1963 | serge | 1488 | DRM_DEBUG_KMS("[ENCODER:%d:%s]\n", encoder->base.id, |
1489 | drm_get_encoder_name(encoder)); |
||
1123 | serge | 1490 | if (put_user(encoder->base.id, encoder_id + |
1491 | copied)) { |
||
1492 | ret = -EFAULT; |
||
1493 | goto out; |
||
1494 | } |
||
1495 | copied++; |
||
1496 | } |
||
1497 | } else { |
||
1498 | for (i = mode_group->num_crtcs; i < mode_group->num_crtcs + mode_group->num_encoders; i++) { |
||
1499 | if (put_user(mode_group->id_list[i], |
||
1500 | encoder_id + copied)) { |
||
1501 | ret = -EFAULT; |
||
1502 | goto out; |
||
1503 | } |
||
1504 | copied++; |
||
1505 | } |
||
1506 | |||
1507 | } |
||
1508 | } |
||
1509 | card_res->count_encoders = encoder_count; |
||
1510 | |||
1511 | /* Connectors */ |
||
1512 | if (card_res->count_connectors >= connector_count) { |
||
1513 | copied = 0; |
||
1514 | connector_id = (uint32_t __user *)(unsigned long)card_res->connector_id_ptr; |
||
1515 | if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { |
||
1516 | list_for_each_entry(connector, |
||
1517 | &dev->mode_config.connector_list, |
||
1518 | head) { |
||
1963 | serge | 1519 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", |
1520 | connector->base.id, |
||
1521 | drm_get_connector_name(connector)); |
||
1123 | serge | 1522 | if (put_user(connector->base.id, |
1523 | connector_id + copied)) { |
||
1524 | ret = -EFAULT; |
||
1525 | goto out; |
||
1526 | } |
||
1527 | copied++; |
||
1528 | } |
||
1529 | } else { |
||
1530 | int start = mode_group->num_crtcs + |
||
1531 | mode_group->num_encoders; |
||
1532 | for (i = start; i < start + mode_group->num_connectors; i++) { |
||
1533 | if (put_user(mode_group->id_list[i], |
||
1534 | connector_id + copied)) { |
||
1535 | ret = -EFAULT; |
||
1536 | goto out; |
||
1537 | } |
||
1538 | copied++; |
||
1539 | } |
||
1540 | } |
||
1541 | } |
||
1542 | card_res->count_connectors = connector_count; |
||
1543 | |||
1963 | serge | 1544 | DRM_DEBUG_KMS("CRTC[%d] CONNECTORS[%d] ENCODERS[%d]\n", card_res->count_crtcs, |
1123 | serge | 1545 | card_res->count_connectors, card_res->count_encoders); |
1546 | |||
1547 | out: |
||
3480 | Serge | 1548 | drm_modeset_unlock_all(dev); |
1123 | serge | 1549 | return ret; |
1550 | } |
||
1551 | |||
1552 | /** |
||
1553 | * drm_mode_getcrtc - get CRTC configuration |
||
3480 | Serge | 1554 | * @dev: drm device for the ioctl |
1555 | * @data: data pointer for the ioctl |
||
1556 | * @file_priv: drm file for the ioctl call |
||
1123 | serge | 1557 | * |
1558 | * Construct a CRTC configuration structure to return to the user. |
||
1559 | * |
||
1560 | * Called by the user via ioctl. |
||
1561 | * |
||
1562 | * RETURNS: |
||
1563 | * Zero on success, errno on failure. |
||
1564 | */ |
||
1565 | int drm_mode_getcrtc(struct drm_device *dev, |
||
1566 | void *data, struct drm_file *file_priv) |
||
1567 | { |
||
1568 | struct drm_mode_crtc *crtc_resp = data; |
||
1569 | struct drm_crtc *crtc; |
||
1570 | struct drm_mode_object *obj; |
||
1571 | int ret = 0; |
||
1572 | |||
1963 | serge | 1573 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1574 | return -EINVAL; |
||
1575 | |||
3480 | Serge | 1576 | drm_modeset_lock_all(dev); |
1123 | serge | 1577 | |
1578 | obj = drm_mode_object_find(dev, crtc_resp->crtc_id, |
||
1579 | DRM_MODE_OBJECT_CRTC); |
||
1580 | if (!obj) { |
||
4560 | Serge | 1581 | ret = -ENOENT; |
1123 | serge | 1582 | goto out; |
1583 | } |
||
1584 | crtc = obj_to_crtc(obj); |
||
1585 | |||
1586 | crtc_resp->x = crtc->x; |
||
1587 | crtc_resp->y = crtc->y; |
||
1588 | crtc_resp->gamma_size = crtc->gamma_size; |
||
1589 | if (crtc->fb) |
||
1590 | crtc_resp->fb_id = crtc->fb->base.id; |
||
1591 | else |
||
1592 | crtc_resp->fb_id = 0; |
||
1593 | |||
1594 | if (crtc->enabled) { |
||
1595 | |||
1596 | drm_crtc_convert_to_umode(&crtc_resp->mode, &crtc->mode); |
||
1597 | crtc_resp->mode_valid = 1; |
||
1598 | |||
1599 | } else { |
||
1600 | crtc_resp->mode_valid = 0; |
||
1601 | } |
||
1602 | |||
1603 | out: |
||
3480 | Serge | 1604 | drm_modeset_unlock_all(dev); |
1123 | serge | 1605 | return ret; |
1606 | } |
||
1607 | |||
4560 | Serge | 1608 | static bool drm_mode_expose_to_userspace(const struct drm_display_mode *mode, |
1609 | const struct drm_file *file_priv) |
||
1610 | { |
||
1611 | /* |
||
1612 | * If user-space hasn't configured the driver to expose the stereo 3D |
||
1613 | * modes, don't expose them. |
||
1614 | */ |
||
1615 | if (!file_priv->stereo_allowed && drm_mode_is_stereo(mode)) |
||
1616 | return false; |
||
1617 | |||
1618 | return true; |
||
1619 | } |
||
1620 | |||
1123 | serge | 1621 | /** |
1622 | * drm_mode_getconnector - get connector configuration |
||
3480 | Serge | 1623 | * @dev: drm device for the ioctl |
1624 | * @data: data pointer for the ioctl |
||
1625 | * @file_priv: drm file for the ioctl call |
||
1123 | serge | 1626 | * |
1627 | * Construct a connector configuration structure to return to the user. |
||
1628 | * |
||
1629 | * Called by the user via ioctl. |
||
1630 | * |
||
1631 | * RETURNS: |
||
1632 | * Zero on success, errno on failure. |
||
1633 | */ |
||
1634 | int drm_mode_getconnector(struct drm_device *dev, void *data, |
||
1635 | struct drm_file *file_priv) |
||
1636 | { |
||
1637 | struct drm_mode_get_connector *out_resp = data; |
||
1638 | struct drm_mode_object *obj; |
||
1639 | struct drm_connector *connector; |
||
1640 | struct drm_display_mode *mode; |
||
1641 | int mode_count = 0; |
||
1642 | int props_count = 0; |
||
1643 | int encoders_count = 0; |
||
1644 | int ret = 0; |
||
1645 | int copied = 0; |
||
1646 | int i; |
||
1647 | struct drm_mode_modeinfo u_mode; |
||
1648 | struct drm_mode_modeinfo __user *mode_ptr; |
||
1649 | uint32_t __user *prop_ptr; |
||
1650 | uint64_t __user *prop_values; |
||
1651 | uint32_t __user *encoder_ptr; |
||
1652 | |||
1963 | serge | 1653 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1654 | return -EINVAL; |
||
1655 | |||
1123 | serge | 1656 | memset(&u_mode, 0, sizeof(struct drm_mode_modeinfo)); |
1657 | |||
1963 | serge | 1658 | DRM_DEBUG_KMS("[CONNECTOR:%d:?]\n", out_resp->connector_id); |
1123 | serge | 1659 | |
1660 | mutex_lock(&dev->mode_config.mutex); |
||
1661 | |||
1662 | obj = drm_mode_object_find(dev, out_resp->connector_id, |
||
1663 | DRM_MODE_OBJECT_CONNECTOR); |
||
1664 | if (!obj) { |
||
4560 | Serge | 1665 | ret = -ENOENT; |
1123 | serge | 1666 | goto out; |
1667 | } |
||
1668 | connector = obj_to_connector(obj); |
||
1669 | |||
3031 | serge | 1670 | props_count = connector->properties.count; |
1123 | serge | 1671 | |
1672 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { |
||
1673 | if (connector->encoder_ids[i] != 0) { |
||
1674 | encoders_count++; |
||
1675 | } |
||
1676 | } |
||
1677 | |||
1678 | if (out_resp->count_modes == 0) { |
||
1679 | connector->funcs->fill_modes(connector, |
||
1680 | dev->mode_config.max_width, |
||
1681 | dev->mode_config.max_height); |
||
1682 | } |
||
1683 | |||
1684 | /* delayed so we get modes regardless of pre-fill_modes state */ |
||
1685 | list_for_each_entry(mode, &connector->modes, head) |
||
4560 | Serge | 1686 | if (drm_mode_expose_to_userspace(mode, file_priv)) |
1123 | serge | 1687 | mode_count++; |
1688 | |||
1689 | out_resp->connector_id = connector->base.id; |
||
1690 | out_resp->connector_type = connector->connector_type; |
||
1691 | out_resp->connector_type_id = connector->connector_type_id; |
||
1692 | out_resp->mm_width = connector->display_info.width_mm; |
||
1693 | out_resp->mm_height = connector->display_info.height_mm; |
||
1694 | out_resp->subpixel = connector->display_info.subpixel_order; |
||
1695 | out_resp->connection = connector->status; |
||
1696 | if (connector->encoder) |
||
1697 | out_resp->encoder_id = connector->encoder->base.id; |
||
1698 | else |
||
1699 | out_resp->encoder_id = 0; |
||
1700 | |||
1701 | /* |
||
1702 | * This ioctl is called twice, once to determine how much space is |
||
1703 | * needed, and the 2nd time to fill it. |
||
1704 | */ |
||
1705 | if ((out_resp->count_modes >= mode_count) && mode_count) { |
||
1706 | copied = 0; |
||
3031 | serge | 1707 | mode_ptr = (struct drm_mode_modeinfo __user *)(unsigned long)out_resp->modes_ptr; |
1123 | serge | 1708 | list_for_each_entry(mode, &connector->modes, head) { |
4560 | Serge | 1709 | if (!drm_mode_expose_to_userspace(mode, file_priv)) |
1710 | continue; |
||
1711 | |||
1123 | serge | 1712 | drm_crtc_convert_to_umode(&u_mode, mode); |
1713 | if (copy_to_user(mode_ptr + copied, |
||
1714 | &u_mode, sizeof(u_mode))) { |
||
1715 | ret = -EFAULT; |
||
1716 | goto out; |
||
1717 | } |
||
1718 | copied++; |
||
1719 | } |
||
1720 | } |
||
1721 | out_resp->count_modes = mode_count; |
||
1722 | |||
1723 | if ((out_resp->count_props >= props_count) && props_count) { |
||
1724 | copied = 0; |
||
3031 | serge | 1725 | prop_ptr = (uint32_t __user *)(unsigned long)(out_resp->props_ptr); |
1726 | prop_values = (uint64_t __user *)(unsigned long)(out_resp->prop_values_ptr); |
||
1727 | for (i = 0; i < connector->properties.count; i++) { |
||
1728 | if (put_user(connector->properties.ids[i], |
||
1123 | serge | 1729 | prop_ptr + copied)) { |
1730 | ret = -EFAULT; |
||
1731 | goto out; |
||
1732 | } |
||
1733 | |||
3031 | serge | 1734 | if (put_user(connector->properties.values[i], |
1123 | serge | 1735 | prop_values + copied)) { |
1736 | ret = -EFAULT; |
||
1737 | goto out; |
||
1738 | } |
||
1739 | copied++; |
||
1740 | } |
||
1741 | } |
||
1742 | out_resp->count_props = props_count; |
||
1743 | |||
1744 | if ((out_resp->count_encoders >= encoders_count) && encoders_count) { |
||
1745 | copied = 0; |
||
3031 | serge | 1746 | encoder_ptr = (uint32_t __user *)(unsigned long)(out_resp->encoders_ptr); |
1123 | serge | 1747 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { |
1748 | if (connector->encoder_ids[i] != 0) { |
||
1749 | if (put_user(connector->encoder_ids[i], |
||
1750 | encoder_ptr + copied)) { |
||
1751 | ret = -EFAULT; |
||
1752 | goto out; |
||
1753 | } |
||
1754 | copied++; |
||
1755 | } |
||
1756 | } |
||
1757 | } |
||
1758 | out_resp->count_encoders = encoders_count; |
||
1759 | |||
1760 | out: |
||
1761 | mutex_unlock(&dev->mode_config.mutex); |
||
3480 | Serge | 1762 | |
1123 | serge | 1763 | return ret; |
1764 | } |
||
1765 | |||
1766 | int drm_mode_getencoder(struct drm_device *dev, void *data, |
||
1767 | struct drm_file *file_priv) |
||
1768 | { |
||
1769 | struct drm_mode_get_encoder *enc_resp = data; |
||
1770 | struct drm_mode_object *obj; |
||
1771 | struct drm_encoder *encoder; |
||
1772 | int ret = 0; |
||
1773 | |||
1963 | serge | 1774 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1775 | return -EINVAL; |
||
1776 | |||
3480 | Serge | 1777 | drm_modeset_lock_all(dev); |
1123 | serge | 1778 | obj = drm_mode_object_find(dev, enc_resp->encoder_id, |
1779 | DRM_MODE_OBJECT_ENCODER); |
||
1780 | if (!obj) { |
||
4560 | Serge | 1781 | ret = -ENOENT; |
1123 | serge | 1782 | goto out; |
1783 | } |
||
1784 | encoder = obj_to_encoder(obj); |
||
1785 | |||
1786 | if (encoder->crtc) |
||
1787 | enc_resp->crtc_id = encoder->crtc->base.id; |
||
1788 | else |
||
1789 | enc_resp->crtc_id = 0; |
||
1790 | enc_resp->encoder_type = encoder->encoder_type; |
||
1791 | enc_resp->encoder_id = encoder->base.id; |
||
1792 | enc_resp->possible_crtcs = encoder->possible_crtcs; |
||
1793 | enc_resp->possible_clones = encoder->possible_clones; |
||
1794 | |||
1795 | out: |
||
3480 | Serge | 1796 | drm_modeset_unlock_all(dev); |
1123 | serge | 1797 | return ret; |
1798 | } |
||
1799 | |||
1800 | /** |
||
3031 | serge | 1801 | * drm_mode_getplane_res - get plane info |
1802 | * @dev: DRM device |
||
1803 | * @data: ioctl data |
||
1804 | * @file_priv: DRM file info |
||
1805 | * |
||
1806 | * Return an plane count and set of IDs. |
||
1807 | */ |
||
1808 | int drm_mode_getplane_res(struct drm_device *dev, void *data, |
||
1809 | struct drm_file *file_priv) |
||
1810 | { |
||
1811 | struct drm_mode_get_plane_res *plane_resp = data; |
||
1812 | struct drm_mode_config *config; |
||
1813 | struct drm_plane *plane; |
||
1814 | uint32_t __user *plane_ptr; |
||
1815 | int copied = 0, ret = 0; |
||
1816 | |||
1817 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
||
1818 | return -EINVAL; |
||
1819 | |||
3480 | Serge | 1820 | drm_modeset_lock_all(dev); |
3031 | serge | 1821 | config = &dev->mode_config; |
1822 | |||
1823 | /* |
||
1824 | * This ioctl is called twice, once to determine how much space is |
||
1825 | * needed, and the 2nd time to fill it. |
||
1826 | */ |
||
1827 | if (config->num_plane && |
||
1828 | (plane_resp->count_planes >= config->num_plane)) { |
||
1829 | plane_ptr = (uint32_t __user *)(unsigned long)plane_resp->plane_id_ptr; |
||
1830 | |||
1831 | list_for_each_entry(plane, &config->plane_list, head) { |
||
1832 | if (put_user(plane->base.id, plane_ptr + copied)) { |
||
1833 | ret = -EFAULT; |
||
1834 | goto out; |
||
1835 | } |
||
1836 | copied++; |
||
1837 | } |
||
1838 | } |
||
1839 | plane_resp->count_planes = config->num_plane; |
||
1840 | |||
1841 | out: |
||
3480 | Serge | 1842 | drm_modeset_unlock_all(dev); |
3031 | serge | 1843 | return ret; |
1844 | } |
||
1845 | |||
1846 | /** |
||
1847 | * drm_mode_getplane - get plane info |
||
1848 | * @dev: DRM device |
||
1849 | * @data: ioctl data |
||
1850 | * @file_priv: DRM file info |
||
1851 | * |
||
1852 | * Return plane info, including formats supported, gamma size, any |
||
1853 | * current fb, etc. |
||
1854 | */ |
||
1855 | int drm_mode_getplane(struct drm_device *dev, void *data, |
||
1856 | struct drm_file *file_priv) |
||
1857 | { |
||
1858 | struct drm_mode_get_plane *plane_resp = data; |
||
1859 | struct drm_mode_object *obj; |
||
1860 | struct drm_plane *plane; |
||
1861 | uint32_t __user *format_ptr; |
||
1862 | int ret = 0; |
||
1863 | |||
1864 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
||
1865 | return -EINVAL; |
||
1866 | |||
3480 | Serge | 1867 | drm_modeset_lock_all(dev); |
3031 | serge | 1868 | obj = drm_mode_object_find(dev, plane_resp->plane_id, |
1869 | DRM_MODE_OBJECT_PLANE); |
||
1870 | if (!obj) { |
||
1871 | ret = -ENOENT; |
||
1872 | goto out; |
||
1873 | } |
||
1874 | plane = obj_to_plane(obj); |
||
1875 | |||
1876 | if (plane->crtc) |
||
1877 | plane_resp->crtc_id = plane->crtc->base.id; |
||
1878 | else |
||
1879 | plane_resp->crtc_id = 0; |
||
1880 | |||
1881 | if (plane->fb) |
||
1882 | plane_resp->fb_id = plane->fb->base.id; |
||
1883 | else |
||
1884 | plane_resp->fb_id = 0; |
||
1885 | |||
1886 | plane_resp->plane_id = plane->base.id; |
||
1887 | plane_resp->possible_crtcs = plane->possible_crtcs; |
||
4075 | Serge | 1888 | plane_resp->gamma_size = 0; |
3031 | serge | 1889 | |
1890 | /* |
||
1891 | * This ioctl is called twice, once to determine how much space is |
||
1892 | * needed, and the 2nd time to fill it. |
||
1893 | */ |
||
1894 | if (plane->format_count && |
||
1895 | (plane_resp->count_format_types >= plane->format_count)) { |
||
1896 | format_ptr = (uint32_t __user *)(unsigned long)plane_resp->format_type_ptr; |
||
1897 | if (copy_to_user(format_ptr, |
||
1898 | plane->format_types, |
||
1899 | sizeof(uint32_t) * plane->format_count)) { |
||
1900 | ret = -EFAULT; |
||
1901 | goto out; |
||
1902 | } |
||
1903 | } |
||
1904 | plane_resp->count_format_types = plane->format_count; |
||
1905 | |||
1906 | out: |
||
3480 | Serge | 1907 | drm_modeset_unlock_all(dev); |
3031 | serge | 1908 | return ret; |
1909 | } |
||
1910 | |||
1911 | /** |
||
1912 | * drm_mode_setplane - set up or tear down an plane |
||
1913 | * @dev: DRM device |
||
1914 | * @data: ioctl data* |
||
3480 | Serge | 1915 | * @file_priv: DRM file info |
3031 | serge | 1916 | * |
1917 | * Set plane info, including placement, fb, scaling, and other factors. |
||
1918 | * Or pass a NULL fb to disable. |
||
1919 | */ |
||
1920 | int drm_mode_setplane(struct drm_device *dev, void *data, |
||
1921 | struct drm_file *file_priv) |
||
1922 | { |
||
1923 | struct drm_mode_set_plane *plane_req = data; |
||
1924 | struct drm_mode_object *obj; |
||
1925 | struct drm_plane *plane; |
||
1926 | struct drm_crtc *crtc; |
||
3480 | Serge | 1927 | struct drm_framebuffer *fb = NULL, *old_fb = NULL; |
3031 | serge | 1928 | int ret = 0; |
1929 | unsigned int fb_width, fb_height; |
||
1930 | int i; |
||
1931 | |||
1932 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
||
1933 | return -EINVAL; |
||
1934 | |||
1935 | /* |
||
1936 | * First, find the plane, crtc, and fb objects. If not available, |
||
1937 | * we don't bother to call the driver. |
||
1938 | */ |
||
1939 | obj = drm_mode_object_find(dev, plane_req->plane_id, |
||
1940 | DRM_MODE_OBJECT_PLANE); |
||
1941 | if (!obj) { |
||
1942 | DRM_DEBUG_KMS("Unknown plane ID %d\n", |
||
1943 | plane_req->plane_id); |
||
3480 | Serge | 1944 | return -ENOENT; |
3031 | serge | 1945 | } |
1946 | plane = obj_to_plane(obj); |
||
1947 | |||
1948 | /* No fb means shut it down */ |
||
1949 | if (!plane_req->fb_id) { |
||
3480 | Serge | 1950 | drm_modeset_lock_all(dev); |
1951 | old_fb = plane->fb; |
||
3031 | serge | 1952 | plane->funcs->disable_plane(plane); |
1953 | plane->crtc = NULL; |
||
1954 | plane->fb = NULL; |
||
3480 | Serge | 1955 | drm_modeset_unlock_all(dev); |
3031 | serge | 1956 | goto out; |
1957 | } |
||
1958 | |||
1959 | obj = drm_mode_object_find(dev, plane_req->crtc_id, |
||
1960 | DRM_MODE_OBJECT_CRTC); |
||
1961 | if (!obj) { |
||
1962 | DRM_DEBUG_KMS("Unknown crtc ID %d\n", |
||
1963 | plane_req->crtc_id); |
||
1964 | ret = -ENOENT; |
||
1965 | goto out; |
||
1966 | } |
||
1967 | crtc = obj_to_crtc(obj); |
||
1968 | |||
3480 | Serge | 1969 | fb = drm_framebuffer_lookup(dev, plane_req->fb_id); |
1970 | if (!fb) { |
||
3031 | serge | 1971 | DRM_DEBUG_KMS("Unknown framebuffer ID %d\n", |
1972 | plane_req->fb_id); |
||
1973 | ret = -ENOENT; |
||
1974 | goto out; |
||
1975 | } |
||
1976 | |||
1977 | /* Check whether this plane supports the fb pixel format. */ |
||
1978 | for (i = 0; i < plane->format_count; i++) |
||
1979 | if (fb->pixel_format == plane->format_types[i]) |
||
1980 | break; |
||
1981 | if (i == plane->format_count) { |
||
4075 | Serge | 1982 | DRM_DEBUG_KMS("Invalid pixel format %s\n", |
1983 | drm_get_format_name(fb->pixel_format)); |
||
3031 | serge | 1984 | ret = -EINVAL; |
1985 | goto out; |
||
1986 | } |
||
1987 | |||
1988 | fb_width = fb->width << 16; |
||
1989 | fb_height = fb->height << 16; |
||
1990 | |||
1991 | /* Make sure source coordinates are inside the fb. */ |
||
1992 | if (plane_req->src_w > fb_width || |
||
1993 | plane_req->src_x > fb_width - plane_req->src_w || |
||
1994 | plane_req->src_h > fb_height || |
||
1995 | plane_req->src_y > fb_height - plane_req->src_h) { |
||
1996 | DRM_DEBUG_KMS("Invalid source coordinates " |
||
1997 | "%u.%06ux%u.%06u+%u.%06u+%u.%06u\n", |
||
1998 | plane_req->src_w >> 16, |
||
1999 | ((plane_req->src_w & 0xffff) * 15625) >> 10, |
||
2000 | plane_req->src_h >> 16, |
||
2001 | ((plane_req->src_h & 0xffff) * 15625) >> 10, |
||
2002 | plane_req->src_x >> 16, |
||
2003 | ((plane_req->src_x & 0xffff) * 15625) >> 10, |
||
2004 | plane_req->src_y >> 16, |
||
2005 | ((plane_req->src_y & 0xffff) * 15625) >> 10); |
||
2006 | ret = -ENOSPC; |
||
2007 | goto out; |
||
2008 | } |
||
2009 | |||
2010 | /* Give drivers some help against integer overflows */ |
||
2011 | if (plane_req->crtc_w > INT_MAX || |
||
2012 | plane_req->crtc_x > INT_MAX - (int32_t) plane_req->crtc_w || |
||
2013 | plane_req->crtc_h > INT_MAX || |
||
2014 | plane_req->crtc_y > INT_MAX - (int32_t) plane_req->crtc_h) { |
||
2015 | DRM_DEBUG_KMS("Invalid CRTC coordinates %ux%u+%d+%d\n", |
||
2016 | plane_req->crtc_w, plane_req->crtc_h, |
||
2017 | plane_req->crtc_x, plane_req->crtc_y); |
||
2018 | ret = -ERANGE; |
||
2019 | goto out; |
||
2020 | } |
||
2021 | |||
3480 | Serge | 2022 | drm_modeset_lock_all(dev); |
3031 | serge | 2023 | ret = plane->funcs->update_plane(plane, crtc, fb, |
2024 | plane_req->crtc_x, plane_req->crtc_y, |
||
2025 | plane_req->crtc_w, plane_req->crtc_h, |
||
2026 | plane_req->src_x, plane_req->src_y, |
||
2027 | plane_req->src_w, plane_req->src_h); |
||
2028 | if (!ret) { |
||
3480 | Serge | 2029 | old_fb = plane->fb; |
3031 | serge | 2030 | plane->crtc = crtc; |
2031 | plane->fb = fb; |
||
3480 | Serge | 2032 | fb = NULL; |
3031 | serge | 2033 | } |
3480 | Serge | 2034 | drm_modeset_unlock_all(dev); |
3031 | serge | 2035 | |
2036 | out: |
||
3480 | Serge | 2037 | if (fb) |
2038 | drm_framebuffer_unreference(fb); |
||
2039 | if (old_fb) |
||
2040 | drm_framebuffer_unreference(old_fb); |
||
3031 | serge | 2041 | |
2042 | return ret; |
||
2043 | } |
||
3480 | Serge | 2044 | #endif |
3031 | serge | 2045 | |
2046 | /** |
||
3480 | Serge | 2047 | * drm_mode_set_config_internal - helper to call ->set_config |
2048 | * @set: modeset config to set |
||
2049 | * |
||
2050 | * This is a little helper to wrap internal calls to the ->set_config driver |
||
2051 | * interface. The only thing it adds is correct refcounting dance. |
||
2052 | */ |
||
2053 | int drm_mode_set_config_internal(struct drm_mode_set *set) |
||
2054 | { |
||
2055 | struct drm_crtc *crtc = set->crtc; |
||
4075 | Serge | 2056 | struct drm_framebuffer *fb; |
2057 | struct drm_crtc *tmp; |
||
3480 | Serge | 2058 | int ret; |
2059 | |||
4075 | Serge | 2060 | /* |
2061 | * NOTE: ->set_config can also disable other crtcs (if we steal all |
||
2062 | * connectors from it), hence we need to refcount the fbs across all |
||
2063 | * crtcs. Atomic modeset will have saner semantics ... |
||
2064 | */ |
||
2065 | list_for_each_entry(tmp, &crtc->dev->mode_config.crtc_list, head) |
||
2066 | tmp->old_fb = tmp->fb; |
||
2067 | |||
3480 | Serge | 2068 | fb = set->fb; |
2069 | |||
2070 | ret = crtc->funcs->set_config(set); |
||
2071 | if (ret == 0) { |
||
4075 | Serge | 2072 | /* crtc->fb must be updated by ->set_config, enforces this. */ |
2073 | WARN_ON(fb != crtc->fb); |
||
3480 | Serge | 2074 | } |
2075 | |||
4075 | Serge | 2076 | list_for_each_entry(tmp, &crtc->dev->mode_config.crtc_list, head) { |
2077 | if (tmp->fb) |
||
2078 | drm_framebuffer_reference(tmp->fb); |
||
2079 | // if (tmp->old_fb) |
||
2080 | // drm_framebuffer_unreference(tmp->old_fb); |
||
2081 | } |
||
2082 | |||
3480 | Serge | 2083 | return ret; |
2084 | } |
||
2085 | EXPORT_SYMBOL(drm_mode_set_config_internal); |
||
2086 | |||
2087 | #if 0 |
||
4560 | Serge | 2088 | /* |
2089 | * Checks that the framebuffer is big enough for the CRTC viewport |
||
2090 | * (x, y, hdisplay, vdisplay) |
||
2091 | */ |
||
2092 | static int drm_crtc_check_viewport(const struct drm_crtc *crtc, |
||
2093 | int x, int y, |
||
2094 | const struct drm_display_mode *mode, |
||
2095 | const struct drm_framebuffer *fb) |
||
2096 | |||
2097 | { |
||
2098 | int hdisplay, vdisplay; |
||
2099 | |||
2100 | hdisplay = mode->hdisplay; |
||
2101 | vdisplay = mode->vdisplay; |
||
2102 | |||
2103 | if (drm_mode_is_stereo(mode)) { |
||
2104 | struct drm_display_mode adjusted = *mode; |
||
2105 | |||
2106 | drm_mode_set_crtcinfo(&adjusted, CRTC_STEREO_DOUBLE); |
||
2107 | hdisplay = adjusted.crtc_hdisplay; |
||
2108 | vdisplay = adjusted.crtc_vdisplay; |
||
2109 | } |
||
2110 | |||
2111 | if (crtc->invert_dimensions) |
||
2112 | swap(hdisplay, vdisplay); |
||
2113 | |||
2114 | if (hdisplay > fb->width || |
||
2115 | vdisplay > fb->height || |
||
2116 | x > fb->width - hdisplay || |
||
2117 | y > fb->height - vdisplay) { |
||
2118 | DRM_DEBUG_KMS("Invalid fb size %ux%u for CRTC viewport %ux%u+%d+%d%s.\n", |
||
2119 | fb->width, fb->height, hdisplay, vdisplay, x, y, |
||
2120 | crtc->invert_dimensions ? " (inverted)" : ""); |
||
2121 | return -ENOSPC; |
||
2122 | } |
||
2123 | |||
2124 | return 0; |
||
2125 | } |
||
2126 | |||
3480 | Serge | 2127 | /** |
1123 | serge | 2128 | * drm_mode_setcrtc - set CRTC configuration |
3480 | Serge | 2129 | * @dev: drm device for the ioctl |
2130 | * @data: data pointer for the ioctl |
||
2131 | * @file_priv: drm file for the ioctl call |
||
1123 | serge | 2132 | * |
2133 | * Build a new CRTC configuration based on user request. |
||
2134 | * |
||
2135 | * Called by the user via ioctl. |
||
2136 | * |
||
2137 | * RETURNS: |
||
2138 | * Zero on success, errno on failure. |
||
2139 | */ |
||
2140 | int drm_mode_setcrtc(struct drm_device *dev, void *data, |
||
2141 | struct drm_file *file_priv) |
||
2142 | { |
||
2143 | struct drm_mode_config *config = &dev->mode_config; |
||
2144 | struct drm_mode_crtc *crtc_req = data; |
||
2145 | struct drm_mode_object *obj; |
||
3031 | serge | 2146 | struct drm_crtc *crtc; |
1123 | serge | 2147 | struct drm_connector **connector_set = NULL, *connector; |
2148 | struct drm_framebuffer *fb = NULL; |
||
2149 | struct drm_display_mode *mode = NULL; |
||
2150 | struct drm_mode_set set; |
||
2151 | uint32_t __user *set_connectors_ptr; |
||
3031 | serge | 2152 | int ret; |
1123 | serge | 2153 | int i; |
2154 | |||
1963 | serge | 2155 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2156 | return -EINVAL; |
||
2157 | |||
3031 | serge | 2158 | /* For some reason crtc x/y offsets are signed internally. */ |
2159 | if (crtc_req->x > INT_MAX || crtc_req->y > INT_MAX) |
||
2160 | return -ERANGE; |
||
2161 | |||
3480 | Serge | 2162 | drm_modeset_lock_all(dev); |
1123 | serge | 2163 | obj = drm_mode_object_find(dev, crtc_req->crtc_id, |
2164 | DRM_MODE_OBJECT_CRTC); |
||
2165 | if (!obj) { |
||
1179 | serge | 2166 | DRM_DEBUG_KMS("Unknown CRTC ID %d\n", crtc_req->crtc_id); |
4560 | Serge | 2167 | ret = -ENOENT; |
1123 | serge | 2168 | goto out; |
2169 | } |
||
2170 | crtc = obj_to_crtc(obj); |
||
1963 | serge | 2171 | DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id); |
1123 | serge | 2172 | |
2173 | if (crtc_req->mode_valid) { |
||
2174 | /* If we have a mode we need a framebuffer. */ |
||
2175 | /* If we pass -1, set the mode with the currently bound fb */ |
||
2176 | if (crtc_req->fb_id == -1) { |
||
3031 | serge | 2177 | if (!crtc->fb) { |
2178 | DRM_DEBUG_KMS("CRTC doesn't have current FB\n"); |
||
2179 | ret = -EINVAL; |
||
2180 | goto out; |
||
2181 | } |
||
1123 | serge | 2182 | fb = crtc->fb; |
3480 | Serge | 2183 | /* Make refcounting symmetric with the lookup path. */ |
2184 | drm_framebuffer_reference(fb); |
||
1123 | serge | 2185 | } else { |
3480 | Serge | 2186 | fb = drm_framebuffer_lookup(dev, crtc_req->fb_id); |
2187 | if (!fb) { |
||
1179 | serge | 2188 | DRM_DEBUG_KMS("Unknown FB ID%d\n", |
2189 | crtc_req->fb_id); |
||
4560 | Serge | 2190 | ret = -ENOENT; |
1123 | serge | 2191 | goto out; |
2192 | } |
||
2193 | } |
||
2194 | |||
2195 | mode = drm_mode_create(dev); |
||
3031 | serge | 2196 | if (!mode) { |
2197 | ret = -ENOMEM; |
||
2198 | goto out; |
||
2199 | } |
||
2200 | |||
2201 | ret = drm_crtc_convert_umode(mode, &crtc_req->mode); |
||
2202 | if (ret) { |
||
2203 | DRM_DEBUG_KMS("Invalid mode\n"); |
||
2204 | goto out; |
||
2205 | } |
||
2206 | |||
1123 | serge | 2207 | drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V); |
3031 | serge | 2208 | |
4560 | Serge | 2209 | ret = drm_crtc_check_viewport(crtc, crtc_req->x, crtc_req->y, |
2210 | mode, fb); |
||
2211 | if (ret) |
||
2212 | goto out; |
||
3031 | serge | 2213 | |
1123 | serge | 2214 | } |
2215 | |||
2216 | if (crtc_req->count_connectors == 0 && mode) { |
||
1179 | serge | 2217 | DRM_DEBUG_KMS("Count connectors is 0 but mode set\n"); |
1123 | serge | 2218 | ret = -EINVAL; |
2219 | goto out; |
||
2220 | } |
||
2221 | |||
1179 | serge | 2222 | if (crtc_req->count_connectors > 0 && (!mode || !fb)) { |
2223 | DRM_DEBUG_KMS("Count connectors is %d but no mode or fb set\n", |
||
1123 | serge | 2224 | crtc_req->count_connectors); |
2225 | ret = -EINVAL; |
||
2226 | goto out; |
||
2227 | } |
||
2228 | |||
2229 | if (crtc_req->count_connectors > 0) { |
||
2230 | u32 out_id; |
||
2231 | |||
2232 | /* Avoid unbounded kernel memory allocation */ |
||
2233 | if (crtc_req->count_connectors > config->num_connector) { |
||
2234 | ret = -EINVAL; |
||
2235 | goto out; |
||
2236 | } |
||
2237 | |||
2238 | connector_set = kmalloc(crtc_req->count_connectors * |
||
2239 | sizeof(struct drm_connector *), |
||
2240 | GFP_KERNEL); |
||
2241 | if (!connector_set) { |
||
2242 | ret = -ENOMEM; |
||
2243 | goto out; |
||
2244 | } |
||
2245 | |||
2246 | for (i = 0; i < crtc_req->count_connectors; i++) { |
||
3031 | serge | 2247 | set_connectors_ptr = (uint32_t __user *)(unsigned long)crtc_req->set_connectors_ptr; |
1123 | serge | 2248 | if (get_user(out_id, &set_connectors_ptr[i])) { |
2249 | ret = -EFAULT; |
||
2250 | goto out; |
||
2251 | } |
||
2252 | |||
2253 | obj = drm_mode_object_find(dev, out_id, |
||
2254 | DRM_MODE_OBJECT_CONNECTOR); |
||
2255 | if (!obj) { |
||
1179 | serge | 2256 | DRM_DEBUG_KMS("Connector id %d unknown\n", |
2257 | out_id); |
||
4560 | Serge | 2258 | ret = -ENOENT; |
1123 | serge | 2259 | goto out; |
2260 | } |
||
2261 | connector = obj_to_connector(obj); |
||
1963 | serge | 2262 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", |
2263 | connector->base.id, |
||
2264 | drm_get_connector_name(connector)); |
||
1123 | serge | 2265 | |
2266 | connector_set[i] = connector; |
||
2267 | } |
||
2268 | } |
||
2269 | |||
2270 | set.crtc = crtc; |
||
2271 | set.x = crtc_req->x; |
||
2272 | set.y = crtc_req->y; |
||
2273 | set.mode = mode; |
||
2274 | set.connectors = connector_set; |
||
2275 | set.num_connectors = crtc_req->count_connectors; |
||
1179 | serge | 2276 | set.fb = fb; |
3480 | Serge | 2277 | ret = drm_mode_set_config_internal(&set); |
1123 | serge | 2278 | |
2279 | out: |
||
3480 | Serge | 2280 | if (fb) |
2281 | drm_framebuffer_unreference(fb); |
||
2282 | |||
1123 | serge | 2283 | kfree(connector_set); |
3031 | serge | 2284 | drm_mode_destroy(dev, mode); |
3480 | Serge | 2285 | drm_modeset_unlock_all(dev); |
1123 | serge | 2286 | return ret; |
2287 | } |
||
2288 | |||
4075 | Serge | 2289 | static int drm_mode_cursor_common(struct drm_device *dev, |
2290 | struct drm_mode_cursor2 *req, |
||
2291 | struct drm_file *file_priv) |
||
1123 | serge | 2292 | { |
2293 | struct drm_mode_object *obj; |
||
2294 | struct drm_crtc *crtc; |
||
2295 | int ret = 0; |
||
2296 | |||
1963 | serge | 2297 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2298 | return -EINVAL; |
||
2299 | |||
3031 | serge | 2300 | if (!req->flags || (~DRM_MODE_CURSOR_FLAGS & req->flags)) |
1123 | serge | 2301 | return -EINVAL; |
2302 | |||
2303 | obj = drm_mode_object_find(dev, req->crtc_id, DRM_MODE_OBJECT_CRTC); |
||
2304 | if (!obj) { |
||
1179 | serge | 2305 | DRM_DEBUG_KMS("Unknown CRTC ID %d\n", req->crtc_id); |
4560 | Serge | 2306 | return -ENOENT; |
1123 | serge | 2307 | } |
2308 | crtc = obj_to_crtc(obj); |
||
2309 | |||
3480 | Serge | 2310 | mutex_lock(&crtc->mutex); |
1123 | serge | 2311 | if (req->flags & DRM_MODE_CURSOR_BO) { |
4075 | Serge | 2312 | if (!crtc->funcs->cursor_set && !crtc->funcs->cursor_set2) { |
1123 | serge | 2313 | ret = -ENXIO; |
2314 | goto out; |
||
2315 | } |
||
2316 | /* Turns off the cursor if handle is 0 */ |
||
4075 | Serge | 2317 | if (crtc->funcs->cursor_set2) |
2318 | ret = crtc->funcs->cursor_set2(crtc, file_priv, req->handle, |
||
2319 | req->width, req->height, req->hot_x, req->hot_y); |
||
2320 | else |
||
1123 | serge | 2321 | ret = crtc->funcs->cursor_set(crtc, file_priv, req->handle, |
2322 | req->width, req->height); |
||
2323 | } |
||
2324 | |||
2325 | if (req->flags & DRM_MODE_CURSOR_MOVE) { |
||
2326 | if (crtc->funcs->cursor_move) { |
||
2327 | ret = crtc->funcs->cursor_move(crtc, req->x, req->y); |
||
2328 | } else { |
||
2329 | ret = -EFAULT; |
||
2330 | goto out; |
||
2331 | } |
||
2332 | } |
||
2333 | out: |
||
3480 | Serge | 2334 | mutex_unlock(&crtc->mutex); |
2335 | |||
1123 | serge | 2336 | return ret; |
4075 | Serge | 2337 | |
1123 | serge | 2338 | } |
4075 | Serge | 2339 | int drm_mode_cursor_ioctl(struct drm_device *dev, |
2340 | void *data, struct drm_file *file_priv) |
||
2341 | { |
||
2342 | struct drm_mode_cursor *req = data; |
||
2343 | struct drm_mode_cursor2 new_req; |
||
2344 | |||
2345 | memcpy(&new_req, req, sizeof(struct drm_mode_cursor)); |
||
2346 | new_req.hot_x = new_req.hot_y = 0; |
||
2347 | |||
2348 | return drm_mode_cursor_common(dev, &new_req, file_priv); |
||
2349 | } |
||
2350 | |||
2351 | int drm_mode_cursor2_ioctl(struct drm_device *dev, |
||
2352 | void *data, struct drm_file *file_priv) |
||
2353 | { |
||
2354 | struct drm_mode_cursor2 *req = data; |
||
2355 | return drm_mode_cursor_common(dev, req, file_priv); |
||
2356 | } |
||
3031 | serge | 2357 | #endif |
4560 | Serge | 2358 | |
3031 | serge | 2359 | /* Original addfb only supported RGB formats, so figure out which one */ |
2360 | uint32_t drm_mode_legacy_fb_format(uint32_t bpp, uint32_t depth) |
||
2361 | { |
||
2362 | uint32_t fmt; |
||
1123 | serge | 2363 | |
3031 | serge | 2364 | switch (bpp) { |
2365 | case 8: |
||
3480 | Serge | 2366 | fmt = DRM_FORMAT_C8; |
3031 | serge | 2367 | break; |
2368 | case 16: |
||
2369 | if (depth == 15) |
||
2370 | fmt = DRM_FORMAT_XRGB1555; |
||
2371 | else |
||
2372 | fmt = DRM_FORMAT_RGB565; |
||
2373 | break; |
||
2374 | case 24: |
||
2375 | fmt = DRM_FORMAT_RGB888; |
||
2376 | break; |
||
2377 | case 32: |
||
2378 | if (depth == 24) |
||
2379 | fmt = DRM_FORMAT_XRGB8888; |
||
2380 | else if (depth == 30) |
||
2381 | fmt = DRM_FORMAT_XRGB2101010; |
||
2382 | else |
||
2383 | fmt = DRM_FORMAT_ARGB8888; |
||
2384 | break; |
||
2385 | default: |
||
2386 | DRM_ERROR("bad bpp, assuming x8r8g8b8 pixel format\n"); |
||
2387 | fmt = DRM_FORMAT_XRGB8888; |
||
2388 | break; |
||
2389 | } |
||
2390 | |||
2391 | return fmt; |
||
2392 | } |
||
2393 | EXPORT_SYMBOL(drm_mode_legacy_fb_format); |
||
2394 | #if 0 |
||
1123 | serge | 2395 | /** |
2396 | * drm_mode_addfb - add an FB to the graphics configuration |
||
3480 | Serge | 2397 | * @dev: drm device for the ioctl |
2398 | * @data: data pointer for the ioctl |
||
2399 | * @file_priv: drm file for the ioctl call |
||
1123 | serge | 2400 | * |
2401 | * Add a new FB to the specified CRTC, given a user request. |
||
2402 | * |
||
2403 | * Called by the user via ioctl. |
||
2404 | * |
||
2405 | * RETURNS: |
||
2406 | * Zero on success, errno on failure. |
||
2407 | */ |
||
2408 | int drm_mode_addfb(struct drm_device *dev, |
||
2409 | void *data, struct drm_file *file_priv) |
||
2410 | { |
||
3031 | serge | 2411 | struct drm_mode_fb_cmd *or = data; |
2412 | struct drm_mode_fb_cmd2 r = {}; |
||
1123 | serge | 2413 | struct drm_mode_config *config = &dev->mode_config; |
2414 | struct drm_framebuffer *fb; |
||
2415 | int ret = 0; |
||
2416 | |||
3031 | serge | 2417 | /* Use new struct with format internally */ |
2418 | r.fb_id = or->fb_id; |
||
2419 | r.width = or->width; |
||
2420 | r.height = or->height; |
||
2421 | r.pitches[0] = or->pitch; |
||
2422 | r.pixel_format = drm_mode_legacy_fb_format(or->bpp, or->depth); |
||
2423 | r.handles[0] = or->handle; |
||
2424 | |||
1963 | serge | 2425 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2426 | return -EINVAL; |
||
2427 | |||
3031 | serge | 2428 | if ((config->min_width > r.width) || (r.width > config->max_width)) |
2429 | return -EINVAL; |
||
2430 | |||
2431 | if ((config->min_height > r.height) || (r.height > config->max_height)) |
||
2432 | return -EINVAL; |
||
2433 | |||
2434 | fb = dev->mode_config.funcs->fb_create(dev, file_priv, &r); |
||
2435 | if (IS_ERR(fb)) { |
||
2436 | DRM_DEBUG_KMS("could not create framebuffer\n"); |
||
3480 | Serge | 2437 | return PTR_ERR(fb); |
3031 | serge | 2438 | } |
2439 | |||
3480 | Serge | 2440 | mutex_lock(&file_priv->fbs_lock); |
3031 | serge | 2441 | or->fb_id = fb->base.id; |
2442 | list_add(&fb->filp_head, &file_priv->fbs); |
||
2443 | DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id); |
||
3480 | Serge | 2444 | mutex_unlock(&file_priv->fbs_lock); |
3031 | serge | 2445 | |
2446 | return ret; |
||
2447 | } |
||
2448 | |||
2449 | static int format_check(const struct drm_mode_fb_cmd2 *r) |
||
2450 | { |
||
2451 | uint32_t format = r->pixel_format & ~DRM_FORMAT_BIG_ENDIAN; |
||
2452 | |||
2453 | switch (format) { |
||
2454 | case DRM_FORMAT_C8: |
||
2455 | case DRM_FORMAT_RGB332: |
||
2456 | case DRM_FORMAT_BGR233: |
||
2457 | case DRM_FORMAT_XRGB4444: |
||
2458 | case DRM_FORMAT_XBGR4444: |
||
2459 | case DRM_FORMAT_RGBX4444: |
||
2460 | case DRM_FORMAT_BGRX4444: |
||
2461 | case DRM_FORMAT_ARGB4444: |
||
2462 | case DRM_FORMAT_ABGR4444: |
||
2463 | case DRM_FORMAT_RGBA4444: |
||
2464 | case DRM_FORMAT_BGRA4444: |
||
2465 | case DRM_FORMAT_XRGB1555: |
||
2466 | case DRM_FORMAT_XBGR1555: |
||
2467 | case DRM_FORMAT_RGBX5551: |
||
2468 | case DRM_FORMAT_BGRX5551: |
||
2469 | case DRM_FORMAT_ARGB1555: |
||
2470 | case DRM_FORMAT_ABGR1555: |
||
2471 | case DRM_FORMAT_RGBA5551: |
||
2472 | case DRM_FORMAT_BGRA5551: |
||
2473 | case DRM_FORMAT_RGB565: |
||
2474 | case DRM_FORMAT_BGR565: |
||
2475 | case DRM_FORMAT_RGB888: |
||
2476 | case DRM_FORMAT_BGR888: |
||
2477 | case DRM_FORMAT_XRGB8888: |
||
2478 | case DRM_FORMAT_XBGR8888: |
||
2479 | case DRM_FORMAT_RGBX8888: |
||
2480 | case DRM_FORMAT_BGRX8888: |
||
2481 | case DRM_FORMAT_ARGB8888: |
||
2482 | case DRM_FORMAT_ABGR8888: |
||
2483 | case DRM_FORMAT_RGBA8888: |
||
2484 | case DRM_FORMAT_BGRA8888: |
||
2485 | case DRM_FORMAT_XRGB2101010: |
||
2486 | case DRM_FORMAT_XBGR2101010: |
||
2487 | case DRM_FORMAT_RGBX1010102: |
||
2488 | case DRM_FORMAT_BGRX1010102: |
||
2489 | case DRM_FORMAT_ARGB2101010: |
||
2490 | case DRM_FORMAT_ABGR2101010: |
||
2491 | case DRM_FORMAT_RGBA1010102: |
||
2492 | case DRM_FORMAT_BGRA1010102: |
||
2493 | case DRM_FORMAT_YUYV: |
||
2494 | case DRM_FORMAT_YVYU: |
||
2495 | case DRM_FORMAT_UYVY: |
||
2496 | case DRM_FORMAT_VYUY: |
||
2497 | case DRM_FORMAT_AYUV: |
||
2498 | case DRM_FORMAT_NV12: |
||
2499 | case DRM_FORMAT_NV21: |
||
2500 | case DRM_FORMAT_NV16: |
||
2501 | case DRM_FORMAT_NV61: |
||
2502 | case DRM_FORMAT_NV24: |
||
2503 | case DRM_FORMAT_NV42: |
||
2504 | case DRM_FORMAT_YUV410: |
||
2505 | case DRM_FORMAT_YVU410: |
||
2506 | case DRM_FORMAT_YUV411: |
||
2507 | case DRM_FORMAT_YVU411: |
||
2508 | case DRM_FORMAT_YUV420: |
||
2509 | case DRM_FORMAT_YVU420: |
||
2510 | case DRM_FORMAT_YUV422: |
||
2511 | case DRM_FORMAT_YVU422: |
||
2512 | case DRM_FORMAT_YUV444: |
||
2513 | case DRM_FORMAT_YVU444: |
||
2514 | return 0; |
||
2515 | default: |
||
4560 | Serge | 2516 | DRM_DEBUG_KMS("invalid pixel format %s\n", |
2517 | drm_get_format_name(r->pixel_format)); |
||
3031 | serge | 2518 | return -EINVAL; |
2519 | } |
||
2520 | } |
||
2521 | |||
2522 | static int framebuffer_check(const struct drm_mode_fb_cmd2 *r) |
||
2523 | { |
||
2524 | int ret, hsub, vsub, num_planes, i; |
||
2525 | |||
2526 | ret = format_check(r); |
||
2527 | if (ret) { |
||
4075 | Serge | 2528 | DRM_DEBUG_KMS("bad framebuffer format %s\n", |
2529 | drm_get_format_name(r->pixel_format)); |
||
3031 | serge | 2530 | return ret; |
2531 | } |
||
2532 | |||
2533 | hsub = drm_format_horz_chroma_subsampling(r->pixel_format); |
||
2534 | vsub = drm_format_vert_chroma_subsampling(r->pixel_format); |
||
2535 | num_planes = drm_format_num_planes(r->pixel_format); |
||
2536 | |||
2537 | if (r->width == 0 || r->width % hsub) { |
||
2538 | DRM_DEBUG_KMS("bad framebuffer width %u\n", r->height); |
||
2539 | return -EINVAL; |
||
2540 | } |
||
2541 | |||
2542 | if (r->height == 0 || r->height % vsub) { |
||
2543 | DRM_DEBUG_KMS("bad framebuffer height %u\n", r->height); |
||
2544 | return -EINVAL; |
||
2545 | } |
||
2546 | |||
2547 | for (i = 0; i < num_planes; i++) { |
||
2548 | unsigned int width = r->width / (i != 0 ? hsub : 1); |
||
3192 | Serge | 2549 | unsigned int height = r->height / (i != 0 ? vsub : 1); |
2550 | unsigned int cpp = drm_format_plane_cpp(r->pixel_format, i); |
||
3031 | serge | 2551 | |
2552 | if (!r->handles[i]) { |
||
2553 | DRM_DEBUG_KMS("no buffer object handle for plane %d\n", i); |
||
2554 | return -EINVAL; |
||
2555 | } |
||
2556 | |||
3192 | Serge | 2557 | if ((uint64_t) width * cpp > UINT_MAX) |
2558 | return -ERANGE; |
||
2559 | |||
2560 | if ((uint64_t) height * r->pitches[i] + r->offsets[i] > UINT_MAX) |
||
2561 | return -ERANGE; |
||
2562 | |||
2563 | if (r->pitches[i] < width * cpp) { |
||
3031 | serge | 2564 | DRM_DEBUG_KMS("bad pitch %u for plane %d\n", r->pitches[i], i); |
2565 | return -EINVAL; |
||
2566 | } |
||
2567 | } |
||
2568 | |||
2569 | return 0; |
||
2570 | } |
||
2571 | |||
2572 | /** |
||
2573 | * drm_mode_addfb2 - add an FB to the graphics configuration |
||
3480 | Serge | 2574 | * @dev: drm device for the ioctl |
2575 | * @data: data pointer for the ioctl |
||
2576 | * @file_priv: drm file for the ioctl call |
||
3031 | serge | 2577 | * |
2578 | * Add a new FB to the specified CRTC, given a user request with format. |
||
2579 | * |
||
2580 | * Called by the user via ioctl. |
||
2581 | * |
||
2582 | * RETURNS: |
||
2583 | * Zero on success, errno on failure. |
||
2584 | */ |
||
2585 | int drm_mode_addfb2(struct drm_device *dev, |
||
2586 | void *data, struct drm_file *file_priv) |
||
2587 | { |
||
2588 | struct drm_mode_fb_cmd2 *r = data; |
||
2589 | struct drm_mode_config *config = &dev->mode_config; |
||
2590 | struct drm_framebuffer *fb; |
||
2591 | int ret; |
||
2592 | |||
2593 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
||
2594 | return -EINVAL; |
||
2595 | |||
3192 | Serge | 2596 | if (r->flags & ~DRM_MODE_FB_INTERLACED) { |
2597 | DRM_DEBUG_KMS("bad framebuffer flags 0x%08x\n", r->flags); |
||
2598 | return -EINVAL; |
||
2599 | } |
||
2600 | |||
1123 | serge | 2601 | if ((config->min_width > r->width) || (r->width > config->max_width)) { |
3031 | serge | 2602 | DRM_DEBUG_KMS("bad framebuffer width %d, should be >= %d && <= %d\n", |
2603 | r->width, config->min_width, config->max_width); |
||
1123 | serge | 2604 | return -EINVAL; |
2605 | } |
||
2606 | if ((config->min_height > r->height) || (r->height > config->max_height)) { |
||
3031 | serge | 2607 | DRM_DEBUG_KMS("bad framebuffer height %d, should be >= %d && <= %d\n", |
2608 | r->height, config->min_height, config->max_height); |
||
1123 | serge | 2609 | return -EINVAL; |
2610 | } |
||
2611 | |||
3031 | serge | 2612 | ret = framebuffer_check(r); |
2613 | if (ret) |
||
2614 | return ret; |
||
2615 | |||
1123 | serge | 2616 | fb = dev->mode_config.funcs->fb_create(dev, file_priv, r); |
1963 | serge | 2617 | if (IS_ERR(fb)) { |
3031 | serge | 2618 | DRM_DEBUG_KMS("could not create framebuffer\n"); |
3480 | Serge | 2619 | return PTR_ERR(fb); |
1123 | serge | 2620 | } |
2621 | |||
3480 | Serge | 2622 | mutex_lock(&file_priv->fbs_lock); |
1123 | serge | 2623 | r->fb_id = fb->base.id; |
2624 | list_add(&fb->filp_head, &file_priv->fbs); |
||
1963 | serge | 2625 | DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id); |
3480 | Serge | 2626 | mutex_unlock(&file_priv->fbs_lock); |
1123 | serge | 2627 | |
3480 | Serge | 2628 | |
1123 | serge | 2629 | return ret; |
2630 | } |
||
2631 | |||
2632 | /** |
||
2633 | * drm_mode_rmfb - remove an FB from the configuration |
||
3480 | Serge | 2634 | * @dev: drm device for the ioctl |
2635 | * @data: data pointer for the ioctl |
||
2636 | * @file_priv: drm file for the ioctl call |
||
1123 | serge | 2637 | * |
2638 | * Remove the FB specified by the user. |
||
2639 | * |
||
2640 | * Called by the user via ioctl. |
||
2641 | * |
||
2642 | * RETURNS: |
||
2643 | * Zero on success, errno on failure. |
||
2644 | */ |
||
2645 | int drm_mode_rmfb(struct drm_device *dev, |
||
2646 | void *data, struct drm_file *file_priv) |
||
2647 | { |
||
2648 | struct drm_framebuffer *fb = NULL; |
||
2649 | struct drm_framebuffer *fbl = NULL; |
||
2650 | uint32_t *id = data; |
||
2651 | int found = 0; |
||
2652 | |||
1963 | serge | 2653 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2654 | return -EINVAL; |
||
2655 | |||
3480 | Serge | 2656 | mutex_lock(&file_priv->fbs_lock); |
2657 | mutex_lock(&dev->mode_config.fb_lock); |
||
2658 | fb = __drm_framebuffer_lookup(dev, *id); |
||
2659 | if (!fb) |
||
2660 | goto fail_lookup; |
||
1123 | serge | 2661 | |
2662 | list_for_each_entry(fbl, &file_priv->fbs, filp_head) |
||
2663 | if (fb == fbl) |
||
2664 | found = 1; |
||
3480 | Serge | 2665 | if (!found) |
2666 | goto fail_lookup; |
||
1123 | serge | 2667 | |
3480 | Serge | 2668 | /* Mark fb as reaped, we still have a ref from fpriv->fbs. */ |
2669 | __drm_framebuffer_unregister(dev, fb); |
||
1123 | serge | 2670 | |
3480 | Serge | 2671 | list_del_init(&fb->filp_head); |
2672 | mutex_unlock(&dev->mode_config.fb_lock); |
||
2673 | mutex_unlock(&file_priv->fbs_lock); |
||
2674 | |||
3031 | serge | 2675 | drm_framebuffer_remove(fb); |
1123 | serge | 2676 | |
3480 | Serge | 2677 | return 0; |
2678 | |||
2679 | fail_lookup: |
||
2680 | mutex_unlock(&dev->mode_config.fb_lock); |
||
2681 | mutex_unlock(&file_priv->fbs_lock); |
||
2682 | |||
4560 | Serge | 2683 | return -ENOENT; |
1123 | serge | 2684 | } |
2685 | |||
2686 | /** |
||
2687 | * drm_mode_getfb - get FB info |
||
3480 | Serge | 2688 | * @dev: drm device for the ioctl |
2689 | * @data: data pointer for the ioctl |
||
2690 | * @file_priv: drm file for the ioctl call |
||
1123 | serge | 2691 | * |
2692 | * Lookup the FB given its ID and return info about it. |
||
2693 | * |
||
2694 | * Called by the user via ioctl. |
||
2695 | * |
||
2696 | * RETURNS: |
||
2697 | * Zero on success, errno on failure. |
||
2698 | */ |
||
2699 | int drm_mode_getfb(struct drm_device *dev, |
||
2700 | void *data, struct drm_file *file_priv) |
||
2701 | { |
||
2702 | struct drm_mode_fb_cmd *r = data; |
||
2703 | struct drm_framebuffer *fb; |
||
3480 | Serge | 2704 | int ret; |
1123 | serge | 2705 | |
1963 | serge | 2706 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2707 | return -EINVAL; |
||
2708 | |||
3480 | Serge | 2709 | fb = drm_framebuffer_lookup(dev, r->fb_id); |
2710 | if (!fb) |
||
4560 | Serge | 2711 | return -ENOENT; |
1123 | serge | 2712 | |
2713 | r->height = fb->height; |
||
2714 | r->width = fb->width; |
||
2715 | r->depth = fb->depth; |
||
2716 | r->bpp = fb->bits_per_pixel; |
||
3031 | serge | 2717 | r->pitch = fb->pitches[0]; |
4104 | Serge | 2718 | if (fb->funcs->create_handle) { |
2719 | if (file_priv->is_master || capable(CAP_SYS_ADMIN)) { |
||
2720 | ret = fb->funcs->create_handle(fb, file_priv, |
||
2721 | &r->handle); |
||
2722 | } else { |
||
2723 | /* GET_FB() is an unprivileged ioctl so we must not |
||
2724 | * return a buffer-handle to non-master processes! For |
||
2725 | * backwards-compatibility reasons, we cannot make |
||
2726 | * GET_FB() privileged, so just return an invalid handle |
||
2727 | * for non-masters. */ |
||
2728 | r->handle = 0; |
||
2729 | ret = 0; |
||
2730 | } |
||
2731 | } else { |
||
3480 | Serge | 2732 | ret = -ENODEV; |
4104 | Serge | 2733 | } |
1123 | serge | 2734 | |
3480 | Serge | 2735 | drm_framebuffer_unreference(fb); |
2736 | |||
1123 | serge | 2737 | return ret; |
2738 | } |
||
2739 | |||
1412 | serge | 2740 | int drm_mode_dirtyfb_ioctl(struct drm_device *dev, |
2741 | void *data, struct drm_file *file_priv) |
||
2742 | { |
||
2743 | struct drm_clip_rect __user *clips_ptr; |
||
2744 | struct drm_clip_rect *clips = NULL; |
||
2745 | struct drm_mode_fb_dirty_cmd *r = data; |
||
2746 | struct drm_framebuffer *fb; |
||
2747 | unsigned flags; |
||
2748 | int num_clips; |
||
3031 | serge | 2749 | int ret; |
1412 | serge | 2750 | |
1963 | serge | 2751 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2752 | return -EINVAL; |
||
2753 | |||
3480 | Serge | 2754 | fb = drm_framebuffer_lookup(dev, r->fb_id); |
2755 | if (!fb) |
||
4560 | Serge | 2756 | return -ENOENT; |
1412 | serge | 2757 | |
2758 | num_clips = r->num_clips; |
||
3031 | serge | 2759 | clips_ptr = (struct drm_clip_rect __user *)(unsigned long)r->clips_ptr; |
1412 | serge | 2760 | |
2761 | if (!num_clips != !clips_ptr) { |
||
2762 | ret = -EINVAL; |
||
2763 | goto out_err1; |
||
2764 | } |
||
2765 | |||
2766 | flags = DRM_MODE_FB_DIRTY_FLAGS & r->flags; |
||
2767 | |||
2768 | /* If userspace annotates copy, clips must come in pairs */ |
||
2769 | if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY && (num_clips % 2)) { |
||
2770 | ret = -EINVAL; |
||
2771 | goto out_err1; |
||
2772 | } |
||
2773 | |||
2774 | if (num_clips && clips_ptr) { |
||
3031 | serge | 2775 | if (num_clips < 0 || num_clips > DRM_MODE_FB_DIRTY_MAX_CLIPS) { |
2776 | ret = -EINVAL; |
||
2777 | goto out_err1; |
||
2778 | } |
||
1412 | serge | 2779 | clips = kzalloc(num_clips * sizeof(*clips), GFP_KERNEL); |
2780 | if (!clips) { |
||
2781 | ret = -ENOMEM; |
||
2782 | goto out_err1; |
||
2783 | } |
||
2784 | |||
2785 | ret = copy_from_user(clips, clips_ptr, |
||
2786 | num_clips * sizeof(*clips)); |
||
1963 | serge | 2787 | if (ret) { |
2788 | ret = -EFAULT; |
||
1412 | serge | 2789 | goto out_err2; |
2790 | } |
||
1963 | serge | 2791 | } |
1412 | serge | 2792 | |
2793 | if (fb->funcs->dirty) { |
||
1963 | serge | 2794 | ret = fb->funcs->dirty(fb, file_priv, flags, r->color, |
2795 | clips, num_clips); |
||
1412 | serge | 2796 | } else { |
2797 | ret = -ENOSYS; |
||
2798 | } |
||
2799 | |||
2800 | out_err2: |
||
2801 | kfree(clips); |
||
2802 | out_err1: |
||
3480 | Serge | 2803 | drm_framebuffer_unreference(fb); |
2804 | |||
1412 | serge | 2805 | return ret; |
2806 | } |
||
2807 | |||
2808 | |||
1123 | serge | 2809 | /** |
2810 | * drm_fb_release - remove and free the FBs on this file |
||
3480 | Serge | 2811 | * @priv: drm file for the ioctl |
1123 | serge | 2812 | * |
2813 | * Destroy all the FBs associated with @filp. |
||
2814 | * |
||
2815 | * Called by the user via ioctl. |
||
2816 | * |
||
2817 | * RETURNS: |
||
2818 | * Zero on success, errno on failure. |
||
2819 | */ |
||
2820 | void drm_fb_release(struct drm_file *priv) |
||
2821 | { |
||
2822 | struct drm_device *dev = priv->minor->dev; |
||
2823 | struct drm_framebuffer *fb, *tfb; |
||
2824 | |||
3480 | Serge | 2825 | mutex_lock(&priv->fbs_lock); |
1123 | serge | 2826 | list_for_each_entry_safe(fb, tfb, &priv->fbs, filp_head) { |
3480 | Serge | 2827 | |
2828 | mutex_lock(&dev->mode_config.fb_lock); |
||
2829 | /* Mark fb as reaped, we still have a ref from fpriv->fbs. */ |
||
2830 | __drm_framebuffer_unregister(dev, fb); |
||
2831 | mutex_unlock(&dev->mode_config.fb_lock); |
||
2832 | |||
2833 | list_del_init(&fb->filp_head); |
||
2834 | |||
2835 | /* This will also drop the fpriv->fbs reference. */ |
||
3031 | serge | 2836 | drm_framebuffer_remove(fb); |
1123 | serge | 2837 | } |
3480 | Serge | 2838 | mutex_unlock(&priv->fbs_lock); |
1123 | serge | 2839 | } |
2840 | #endif |
||
2841 | |||
2842 | |||
2843 | struct drm_property *drm_property_create(struct drm_device *dev, int flags, |
||
2844 | const char *name, int num_values) |
||
2845 | { |
||
2846 | struct drm_property *property = NULL; |
||
3031 | serge | 2847 | int ret; |
1123 | serge | 2848 | |
2849 | property = kzalloc(sizeof(struct drm_property), GFP_KERNEL); |
||
2850 | if (!property) |
||
2851 | return NULL; |
||
2852 | |||
2853 | if (num_values) { |
||
2854 | property->values = kzalloc(sizeof(uint64_t)*num_values, GFP_KERNEL); |
||
2855 | if (!property->values) |
||
2856 | goto fail; |
||
2857 | } |
||
2858 | |||
3031 | serge | 2859 | ret = drm_mode_object_get(dev, &property->base, DRM_MODE_OBJECT_PROPERTY); |
2860 | if (ret) |
||
2861 | goto fail; |
||
2862 | |||
1123 | serge | 2863 | property->flags = flags; |
2864 | property->num_values = num_values; |
||
2865 | INIT_LIST_HEAD(&property->enum_blob_list); |
||
2866 | |||
3031 | serge | 2867 | if (name) { |
1123 | serge | 2868 | strncpy(property->name, name, DRM_PROP_NAME_LEN); |
3031 | serge | 2869 | property->name[DRM_PROP_NAME_LEN-1] = '\0'; |
2870 | } |
||
1123 | serge | 2871 | |
2872 | list_add_tail(&property->head, &dev->mode_config.property_list); |
||
2873 | return property; |
||
2874 | fail: |
||
3031 | serge | 2875 | kfree(property->values); |
1123 | serge | 2876 | kfree(property); |
2877 | return NULL; |
||
2878 | } |
||
2879 | EXPORT_SYMBOL(drm_property_create); |
||
2880 | |||
3031 | serge | 2881 | struct drm_property *drm_property_create_enum(struct drm_device *dev, int flags, |
2882 | const char *name, |
||
2883 | const struct drm_prop_enum_list *props, |
||
2884 | int num_values) |
||
2885 | { |
||
2886 | struct drm_property *property; |
||
2887 | int i, ret; |
||
2888 | |||
2889 | flags |= DRM_MODE_PROP_ENUM; |
||
2890 | |||
2891 | property = drm_property_create(dev, flags, name, num_values); |
||
2892 | if (!property) |
||
2893 | return NULL; |
||
2894 | |||
2895 | for (i = 0; i < num_values; i++) { |
||
2896 | ret = drm_property_add_enum(property, i, |
||
2897 | props[i].type, |
||
2898 | props[i].name); |
||
2899 | if (ret) { |
||
2900 | drm_property_destroy(dev, property); |
||
2901 | return NULL; |
||
2902 | } |
||
2903 | } |
||
2904 | |||
2905 | return property; |
||
2906 | } |
||
2907 | EXPORT_SYMBOL(drm_property_create_enum); |
||
2908 | |||
2909 | struct drm_property *drm_property_create_bitmask(struct drm_device *dev, |
||
2910 | int flags, const char *name, |
||
2911 | const struct drm_prop_enum_list *props, |
||
2912 | int num_values) |
||
2913 | { |
||
2914 | struct drm_property *property; |
||
2915 | int i, ret; |
||
2916 | |||
2917 | flags |= DRM_MODE_PROP_BITMASK; |
||
2918 | |||
2919 | property = drm_property_create(dev, flags, name, num_values); |
||
2920 | if (!property) |
||
2921 | return NULL; |
||
2922 | |||
2923 | for (i = 0; i < num_values; i++) { |
||
2924 | ret = drm_property_add_enum(property, i, |
||
2925 | props[i].type, |
||
2926 | props[i].name); |
||
2927 | if (ret) { |
||
2928 | drm_property_destroy(dev, property); |
||
2929 | return NULL; |
||
2930 | } |
||
2931 | } |
||
2932 | |||
2933 | return property; |
||
2934 | } |
||
2935 | EXPORT_SYMBOL(drm_property_create_bitmask); |
||
2936 | |||
2937 | struct drm_property *drm_property_create_range(struct drm_device *dev, int flags, |
||
2938 | const char *name, |
||
2939 | uint64_t min, uint64_t max) |
||
2940 | { |
||
2941 | struct drm_property *property; |
||
2942 | |||
2943 | flags |= DRM_MODE_PROP_RANGE; |
||
2944 | |||
2945 | property = drm_property_create(dev, flags, name, 2); |
||
2946 | if (!property) |
||
2947 | return NULL; |
||
2948 | |||
2949 | property->values[0] = min; |
||
2950 | property->values[1] = max; |
||
2951 | |||
2952 | return property; |
||
2953 | } |
||
2954 | EXPORT_SYMBOL(drm_property_create_range); |
||
2955 | |||
1123 | serge | 2956 | int drm_property_add_enum(struct drm_property *property, int index, |
2957 | uint64_t value, const char *name) |
||
2958 | { |
||
2959 | struct drm_property_enum *prop_enum; |
||
2960 | |||
3031 | serge | 2961 | if (!(property->flags & (DRM_MODE_PROP_ENUM | DRM_MODE_PROP_BITMASK))) |
1123 | serge | 2962 | return -EINVAL; |
2963 | |||
3031 | serge | 2964 | /* |
2965 | * Bitmask enum properties have the additional constraint of values |
||
2966 | * from 0 to 63 |
||
2967 | */ |
||
2968 | if ((property->flags & DRM_MODE_PROP_BITMASK) && (value > 63)) |
||
2969 | return -EINVAL; |
||
2970 | |||
1123 | serge | 2971 | if (!list_empty(&property->enum_blob_list)) { |
2972 | list_for_each_entry(prop_enum, &property->enum_blob_list, head) { |
||
2973 | if (prop_enum->value == value) { |
||
2974 | strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); |
||
2975 | prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; |
||
2976 | return 0; |
||
2977 | } |
||
2978 | } |
||
2979 | } |
||
2980 | |||
2981 | prop_enum = kzalloc(sizeof(struct drm_property_enum), GFP_KERNEL); |
||
2982 | if (!prop_enum) |
||
2983 | return -ENOMEM; |
||
2984 | |||
2985 | strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); |
||
2986 | prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; |
||
2987 | prop_enum->value = value; |
||
2988 | |||
2989 | property->values[index] = value; |
||
2990 | list_add_tail(&prop_enum->head, &property->enum_blob_list); |
||
2991 | return 0; |
||
2992 | } |
||
2993 | EXPORT_SYMBOL(drm_property_add_enum); |
||
2994 | |||
2995 | void drm_property_destroy(struct drm_device *dev, struct drm_property *property) |
||
2996 | { |
||
2997 | struct drm_property_enum *prop_enum, *pt; |
||
2998 | |||
2999 | list_for_each_entry_safe(prop_enum, pt, &property->enum_blob_list, head) { |
||
3000 | list_del(&prop_enum->head); |
||
3001 | kfree(prop_enum); |
||
3002 | } |
||
3003 | |||
3004 | if (property->num_values) |
||
3005 | kfree(property->values); |
||
3006 | drm_mode_object_put(dev, &property->base); |
||
3007 | list_del(&property->head); |
||
3008 | kfree(property); |
||
3009 | } |
||
3010 | EXPORT_SYMBOL(drm_property_destroy); |
||
3011 | |||
3031 | serge | 3012 | void drm_object_attach_property(struct drm_mode_object *obj, |
3013 | struct drm_property *property, |
||
3014 | uint64_t init_val) |
||
3015 | { |
||
3016 | int count = obj->properties->count; |
||
3017 | |||
3018 | if (count == DRM_OBJECT_MAX_PROPERTY) { |
||
3019 | WARN(1, "Failed to attach object property (type: 0x%x). Please " |
||
3020 | "increase DRM_OBJECT_MAX_PROPERTY by 1 for each time " |
||
3021 | "you see this message on the same object type.\n", |
||
3022 | obj->type); |
||
3023 | return; |
||
3024 | } |
||
3025 | |||
3026 | obj->properties->ids[count] = property->base.id; |
||
3027 | obj->properties->values[count] = init_val; |
||
3028 | obj->properties->count++; |
||
3029 | } |
||
3030 | EXPORT_SYMBOL(drm_object_attach_property); |
||
3031 | |||
3032 | int drm_object_property_set_value(struct drm_mode_object *obj, |
||
3033 | struct drm_property *property, uint64_t val) |
||
3034 | { |
||
1123 | serge | 3035 | int i; |
3036 | |||
3031 | serge | 3037 | for (i = 0; i < obj->properties->count; i++) { |
3038 | if (obj->properties->ids[i] == property->base.id) { |
||
3039 | obj->properties->values[i] = val; |
||
3040 | return 0; |
||
1123 | serge | 3041 | } |
3042 | } |
||
3043 | |||
3044 | return -EINVAL; |
||
3045 | } |
||
3031 | serge | 3046 | EXPORT_SYMBOL(drm_object_property_set_value); |
1123 | serge | 3047 | |
3031 | serge | 3048 | int drm_object_property_get_value(struct drm_mode_object *obj, |
1123 | serge | 3049 | struct drm_property *property, uint64_t *val) |
3050 | { |
||
3051 | int i; |
||
3052 | |||
3031 | serge | 3053 | for (i = 0; i < obj->properties->count; i++) { |
3054 | if (obj->properties->ids[i] == property->base.id) { |
||
3055 | *val = obj->properties->values[i]; |
||
3056 | return 0; |
||
1123 | serge | 3057 | } |
3058 | } |
||
3059 | |||
3060 | return -EINVAL; |
||
3061 | } |
||
3031 | serge | 3062 | EXPORT_SYMBOL(drm_object_property_get_value); |
1123 | serge | 3063 | |
3064 | #if 0 |
||
3065 | int drm_mode_getproperty_ioctl(struct drm_device *dev, |
||
3066 | void *data, struct drm_file *file_priv) |
||
3067 | { |
||
3068 | struct drm_mode_object *obj; |
||
3069 | struct drm_mode_get_property *out_resp = data; |
||
3070 | struct drm_property *property; |
||
3071 | int enum_count = 0; |
||
3072 | int blob_count = 0; |
||
3073 | int value_count = 0; |
||
3074 | int ret = 0, i; |
||
3075 | int copied; |
||
3076 | struct drm_property_enum *prop_enum; |
||
3077 | struct drm_mode_property_enum __user *enum_ptr; |
||
3078 | struct drm_property_blob *prop_blob; |
||
3031 | serge | 3079 | uint32_t __user *blob_id_ptr; |
1123 | serge | 3080 | uint64_t __user *values_ptr; |
3081 | uint32_t __user *blob_length_ptr; |
||
3082 | |||
1963 | serge | 3083 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
3084 | return -EINVAL; |
||
3085 | |||
3480 | Serge | 3086 | drm_modeset_lock_all(dev); |
1123 | serge | 3087 | obj = drm_mode_object_find(dev, out_resp->prop_id, DRM_MODE_OBJECT_PROPERTY); |
3088 | if (!obj) { |
||
4560 | Serge | 3089 | ret = -ENOENT; |
1123 | serge | 3090 | goto done; |
3091 | } |
||
3092 | property = obj_to_property(obj); |
||
3093 | |||
3031 | serge | 3094 | if (property->flags & (DRM_MODE_PROP_ENUM | DRM_MODE_PROP_BITMASK)) { |
1123 | serge | 3095 | list_for_each_entry(prop_enum, &property->enum_blob_list, head) |
3096 | enum_count++; |
||
3097 | } else if (property->flags & DRM_MODE_PROP_BLOB) { |
||
3098 | list_for_each_entry(prop_blob, &property->enum_blob_list, head) |
||
3099 | blob_count++; |
||
3100 | } |
||
3101 | |||
3102 | value_count = property->num_values; |
||
3103 | |||
3104 | strncpy(out_resp->name, property->name, DRM_PROP_NAME_LEN); |
||
3105 | out_resp->name[DRM_PROP_NAME_LEN-1] = 0; |
||
3106 | out_resp->flags = property->flags; |
||
3107 | |||
3108 | if ((out_resp->count_values >= value_count) && value_count) { |
||
3031 | serge | 3109 | values_ptr = (uint64_t __user *)(unsigned long)out_resp->values_ptr; |
1123 | serge | 3110 | for (i = 0; i < value_count; i++) { |
3111 | if (copy_to_user(values_ptr + i, &property->values[i], sizeof(uint64_t))) { |
||
3112 | ret = -EFAULT; |
||
3113 | goto done; |
||
3114 | } |
||
3115 | } |
||
3116 | } |
||
3117 | out_resp->count_values = value_count; |
||
3118 | |||
3031 | serge | 3119 | if (property->flags & (DRM_MODE_PROP_ENUM | DRM_MODE_PROP_BITMASK)) { |
1123 | serge | 3120 | if ((out_resp->count_enum_blobs >= enum_count) && enum_count) { |
3121 | copied = 0; |
||
3031 | serge | 3122 | enum_ptr = (struct drm_mode_property_enum __user *)(unsigned long)out_resp->enum_blob_ptr; |
1123 | serge | 3123 | list_for_each_entry(prop_enum, &property->enum_blob_list, head) { |
3124 | |||
3125 | if (copy_to_user(&enum_ptr[copied].value, &prop_enum->value, sizeof(uint64_t))) { |
||
3126 | ret = -EFAULT; |
||
3127 | goto done; |
||
3128 | } |
||
3129 | |||
3130 | if (copy_to_user(&enum_ptr[copied].name, |
||
3131 | &prop_enum->name, DRM_PROP_NAME_LEN)) { |
||
3132 | ret = -EFAULT; |
||
3133 | goto done; |
||
3134 | } |
||
3135 | copied++; |
||
3136 | } |
||
3137 | } |
||
3138 | out_resp->count_enum_blobs = enum_count; |
||
3139 | } |
||
3140 | |||
3141 | if (property->flags & DRM_MODE_PROP_BLOB) { |
||
3142 | if ((out_resp->count_enum_blobs >= blob_count) && blob_count) { |
||
3143 | copied = 0; |
||
3031 | serge | 3144 | blob_id_ptr = (uint32_t __user *)(unsigned long)out_resp->enum_blob_ptr; |
3145 | blob_length_ptr = (uint32_t __user *)(unsigned long)out_resp->values_ptr; |
||
1123 | serge | 3146 | |
3147 | list_for_each_entry(prop_blob, &property->enum_blob_list, head) { |
||
3148 | if (put_user(prop_blob->base.id, blob_id_ptr + copied)) { |
||
3149 | ret = -EFAULT; |
||
3150 | goto done; |
||
3151 | } |
||
3152 | |||
3153 | if (put_user(prop_blob->length, blob_length_ptr + copied)) { |
||
3154 | ret = -EFAULT; |
||
3155 | goto done; |
||
3156 | } |
||
3157 | |||
3158 | copied++; |
||
3159 | } |
||
3160 | } |
||
3161 | out_resp->count_enum_blobs = blob_count; |
||
3162 | } |
||
3163 | done: |
||
3480 | Serge | 3164 | drm_modeset_unlock_all(dev); |
1123 | serge | 3165 | return ret; |
3166 | } |
||
3167 | #endif |
||
3168 | |||
3169 | static struct drm_property_blob *drm_property_create_blob(struct drm_device *dev, int length, |
||
3170 | void *data) |
||
3171 | { |
||
3172 | struct drm_property_blob *blob; |
||
3031 | serge | 3173 | int ret; |
1123 | serge | 3174 | |
3175 | if (!length || !data) |
||
3176 | return NULL; |
||
3177 | |||
3178 | blob = kzalloc(sizeof(struct drm_property_blob)+length, GFP_KERNEL); |
||
3179 | if (!blob) |
||
3180 | return NULL; |
||
3181 | |||
3031 | serge | 3182 | ret = drm_mode_object_get(dev, &blob->base, DRM_MODE_OBJECT_BLOB); |
3183 | if (ret) { |
||
3184 | kfree(blob); |
||
3185 | return NULL; |
||
3186 | } |
||
3187 | |||
1123 | serge | 3188 | blob->length = length; |
3189 | |||
3190 | memcpy(blob->data, data, length); |
||
3191 | |||
3192 | list_add_tail(&blob->head, &dev->mode_config.property_blob_list); |
||
3193 | return blob; |
||
3194 | } |
||
3195 | |||
3196 | static void drm_property_destroy_blob(struct drm_device *dev, |
||
3197 | struct drm_property_blob *blob) |
||
3198 | { |
||
3199 | drm_mode_object_put(dev, &blob->base); |
||
3200 | list_del(&blob->head); |
||
3201 | kfree(blob); |
||
3202 | } |
||
3203 | |||
3204 | #if 0 |
||
3205 | int drm_mode_getblob_ioctl(struct drm_device *dev, |
||
3206 | void *data, struct drm_file *file_priv) |
||
3207 | { |
||
3208 | struct drm_mode_object *obj; |
||
3209 | struct drm_mode_get_blob *out_resp = data; |
||
3210 | struct drm_property_blob *blob; |
||
3211 | int ret = 0; |
||
3031 | serge | 3212 | void __user *blob_ptr; |
1123 | serge | 3213 | |
1963 | serge | 3214 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
3215 | return -EINVAL; |
||
3216 | |||
3480 | Serge | 3217 | drm_modeset_lock_all(dev); |
1123 | serge | 3218 | obj = drm_mode_object_find(dev, out_resp->blob_id, DRM_MODE_OBJECT_BLOB); |
3219 | if (!obj) { |
||
4560 | Serge | 3220 | ret = -ENOENT; |
1123 | serge | 3221 | goto done; |
3222 | } |
||
3223 | blob = obj_to_blob(obj); |
||
3224 | |||
3225 | if (out_resp->length == blob->length) { |
||
3031 | serge | 3226 | blob_ptr = (void __user *)(unsigned long)out_resp->data; |
1123 | serge | 3227 | if (copy_to_user(blob_ptr, blob->data, blob->length)){ |
3228 | ret = -EFAULT; |
||
3229 | goto done; |
||
3230 | } |
||
3231 | } |
||
3232 | out_resp->length = blob->length; |
||
3233 | |||
3234 | done: |
||
3480 | Serge | 3235 | drm_modeset_unlock_all(dev); |
1123 | serge | 3236 | return ret; |
3237 | } |
||
3238 | #endif |
||
3239 | |||
3240 | int drm_mode_connector_update_edid_property(struct drm_connector *connector, |
||
3241 | struct edid *edid) |
||
3242 | { |
||
3243 | struct drm_device *dev = connector->dev; |
||
3031 | serge | 3244 | int ret, size; |
1123 | serge | 3245 | |
3246 | if (connector->edid_blob_ptr) |
||
3247 | drm_property_destroy_blob(dev, connector->edid_blob_ptr); |
||
3248 | |||
3249 | /* Delete edid, when there is none. */ |
||
3250 | if (!edid) { |
||
3251 | connector->edid_blob_ptr = NULL; |
||
3192 | Serge | 3252 | ret = drm_object_property_set_value(&connector->base, dev->mode_config.edid_property, 0); |
1123 | serge | 3253 | return ret; |
3254 | } |
||
3255 | |||
1963 | serge | 3256 | size = EDID_LENGTH * (1 + edid->extensions); |
3257 | connector->edid_blob_ptr = drm_property_create_blob(connector->dev, |
||
3258 | size, edid); |
||
3192 | Serge | 3259 | if (!connector->edid_blob_ptr) |
3260 | return -EINVAL; |
||
1123 | serge | 3261 | |
3192 | Serge | 3262 | ret = drm_object_property_set_value(&connector->base, |
1123 | serge | 3263 | dev->mode_config.edid_property, |
3264 | connector->edid_blob_ptr->base.id); |
||
3265 | |||
3266 | return ret; |
||
3267 | } |
||
3268 | EXPORT_SYMBOL(drm_mode_connector_update_edid_property); |
||
3269 | |||
3270 | #if 0 |
||
3031 | serge | 3271 | |
3272 | static int drm_mode_connector_set_obj_prop(struct drm_mode_object *obj, |
||
3273 | struct drm_property *property, |
||
3274 | uint64_t value) |
||
1123 | serge | 3275 | { |
3031 | serge | 3276 | int ret = -EINVAL; |
3277 | struct drm_connector *connector = obj_to_connector(obj); |
||
3278 | |||
3279 | /* Do DPMS ourselves */ |
||
3280 | if (property == connector->dev->mode_config.dpms_property) { |
||
3281 | if (connector->funcs->dpms) |
||
3282 | (*connector->funcs->dpms)(connector, (int)value); |
||
3283 | ret = 0; |
||
3284 | } else if (connector->funcs->set_property) |
||
3285 | ret = connector->funcs->set_property(connector, property, value); |
||
3286 | |||
3287 | /* store the property value if successful */ |
||
3288 | if (!ret) |
||
3192 | Serge | 3289 | drm_object_property_set_value(&connector->base, property, value); |
3031 | serge | 3290 | return ret; |
3291 | } |
||
3292 | |||
3293 | static int drm_mode_crtc_set_obj_prop(struct drm_mode_object *obj, |
||
3294 | struct drm_property *property, |
||
3295 | uint64_t value) |
||
3296 | { |
||
3297 | int ret = -EINVAL; |
||
3298 | struct drm_crtc *crtc = obj_to_crtc(obj); |
||
3299 | |||
3300 | if (crtc->funcs->set_property) |
||
3301 | ret = crtc->funcs->set_property(crtc, property, value); |
||
3302 | if (!ret) |
||
3303 | drm_object_property_set_value(obj, property, value); |
||
3304 | |||
3305 | return ret; |
||
3306 | } |
||
3307 | |||
3308 | static int drm_mode_plane_set_obj_prop(struct drm_mode_object *obj, |
||
3309 | struct drm_property *property, |
||
3310 | uint64_t value) |
||
3311 | { |
||
3312 | int ret = -EINVAL; |
||
3313 | struct drm_plane *plane = obj_to_plane(obj); |
||
3314 | |||
3315 | if (plane->funcs->set_property) |
||
3316 | ret = plane->funcs->set_property(plane, property, value); |
||
3317 | if (!ret) |
||
3318 | drm_object_property_set_value(obj, property, value); |
||
3319 | |||
3320 | return ret; |
||
3321 | } |
||
3322 | |||
3323 | int drm_mode_obj_get_properties_ioctl(struct drm_device *dev, void *data, |
||
3324 | struct drm_file *file_priv) |
||
3325 | { |
||
3326 | struct drm_mode_obj_get_properties *arg = data; |
||
1123 | serge | 3327 | struct drm_mode_object *obj; |
3031 | serge | 3328 | int ret = 0; |
1123 | serge | 3329 | int i; |
3031 | serge | 3330 | int copied = 0; |
3331 | int props_count = 0; |
||
3332 | uint32_t __user *props_ptr; |
||
3333 | uint64_t __user *prop_values_ptr; |
||
1123 | serge | 3334 | |
1963 | serge | 3335 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
3336 | return -EINVAL; |
||
3337 | |||
3480 | Serge | 3338 | drm_modeset_lock_all(dev); |
1123 | serge | 3339 | |
3031 | serge | 3340 | obj = drm_mode_object_find(dev, arg->obj_id, arg->obj_type); |
1123 | serge | 3341 | if (!obj) { |
4560 | Serge | 3342 | ret = -ENOENT; |
1123 | serge | 3343 | goto out; |
3344 | } |
||
3031 | serge | 3345 | if (!obj->properties) { |
3346 | ret = -EINVAL; |
||
3347 | goto out; |
||
3348 | } |
||
1123 | serge | 3349 | |
3031 | serge | 3350 | props_count = obj->properties->count; |
3351 | |||
3352 | /* This ioctl is called twice, once to determine how much space is |
||
3353 | * needed, and the 2nd time to fill it. */ |
||
3354 | if ((arg->count_props >= props_count) && props_count) { |
||
3355 | copied = 0; |
||
3356 | props_ptr = (uint32_t __user *)(unsigned long)(arg->props_ptr); |
||
3357 | prop_values_ptr = (uint64_t __user *)(unsigned long) |
||
3358 | (arg->prop_values_ptr); |
||
3359 | for (i = 0; i < props_count; i++) { |
||
3360 | if (put_user(obj->properties->ids[i], |
||
3361 | props_ptr + copied)) { |
||
3362 | ret = -EFAULT; |
||
3363 | goto out; |
||
1123 | serge | 3364 | } |
3031 | serge | 3365 | if (put_user(obj->properties->values[i], |
3366 | prop_values_ptr + copied)) { |
||
3367 | ret = -EFAULT; |
||
1123 | serge | 3368 | goto out; |
3369 | } |
||
3031 | serge | 3370 | copied++; |
3371 | } |
||
3372 | } |
||
3373 | arg->count_props = props_count; |
||
3374 | out: |
||
3480 | Serge | 3375 | drm_modeset_unlock_all(dev); |
3031 | serge | 3376 | return ret; |
3377 | } |
||
1123 | serge | 3378 | |
3031 | serge | 3379 | int drm_mode_obj_set_property_ioctl(struct drm_device *dev, void *data, |
3380 | struct drm_file *file_priv) |
||
3381 | { |
||
3382 | struct drm_mode_obj_set_property *arg = data; |
||
3383 | struct drm_mode_object *arg_obj; |
||
3384 | struct drm_mode_object *prop_obj; |
||
3385 | struct drm_property *property; |
||
3386 | int ret = -EINVAL; |
||
3387 | int i; |
||
3388 | |||
3389 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
||
3390 | return -EINVAL; |
||
3391 | |||
3480 | Serge | 3392 | drm_modeset_lock_all(dev); |
3031 | serge | 3393 | |
3394 | arg_obj = drm_mode_object_find(dev, arg->obj_id, arg->obj_type); |
||
4560 | Serge | 3395 | if (!arg_obj) { |
3396 | ret = -ENOENT; |
||
1123 | serge | 3397 | goto out; |
4560 | Serge | 3398 | } |
3031 | serge | 3399 | if (!arg_obj->properties) |
3400 | goto out; |
||
1123 | serge | 3401 | |
3031 | serge | 3402 | for (i = 0; i < arg_obj->properties->count; i++) |
3403 | if (arg_obj->properties->ids[i] == arg->prop_id) |
||
3404 | break; |
||
3405 | |||
3406 | if (i == arg_obj->properties->count) |
||
1123 | serge | 3407 | goto out; |
3408 | |||
3031 | serge | 3409 | prop_obj = drm_mode_object_find(dev, arg->prop_id, |
3410 | DRM_MODE_OBJECT_PROPERTY); |
||
4560 | Serge | 3411 | if (!prop_obj) { |
3412 | ret = -ENOENT; |
||
1123 | serge | 3413 | goto out; |
4560 | Serge | 3414 | } |
3031 | serge | 3415 | property = obj_to_property(prop_obj); |
1123 | serge | 3416 | |
3031 | serge | 3417 | if (!drm_property_change_is_valid(property, arg->value)) |
1123 | serge | 3418 | goto out; |
3031 | serge | 3419 | |
3420 | switch (arg_obj->type) { |
||
3421 | case DRM_MODE_OBJECT_CONNECTOR: |
||
3422 | ret = drm_mode_connector_set_obj_prop(arg_obj, property, |
||
3423 | arg->value); |
||
3424 | break; |
||
3425 | case DRM_MODE_OBJECT_CRTC: |
||
3426 | ret = drm_mode_crtc_set_obj_prop(arg_obj, property, arg->value); |
||
3427 | break; |
||
3428 | case DRM_MODE_OBJECT_PLANE: |
||
3429 | ret = drm_mode_plane_set_obj_prop(arg_obj, property, arg->value); |
||
1123 | serge | 3430 | break; |
3431 | } |
||
3432 | |||
3433 | out: |
||
3480 | Serge | 3434 | drm_modeset_unlock_all(dev); |
1123 | serge | 3435 | return ret; |
3436 | } |
||
3437 | #endif |
||
3438 | |||
3439 | int drm_mode_connector_attach_encoder(struct drm_connector *connector, |
||
3440 | struct drm_encoder *encoder) |
||
3441 | { |
||
3442 | int i; |
||
3443 | |||
3444 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { |
||
3445 | if (connector->encoder_ids[i] == 0) { |
||
3446 | connector->encoder_ids[i] = encoder->base.id; |
||
3447 | return 0; |
||
3448 | } |
||
3449 | } |
||
3450 | return -ENOMEM; |
||
3451 | } |
||
3452 | EXPORT_SYMBOL(drm_mode_connector_attach_encoder); |
||
3453 | |||
3454 | void drm_mode_connector_detach_encoder(struct drm_connector *connector, |
||
3455 | struct drm_encoder *encoder) |
||
3456 | { |
||
3457 | int i; |
||
3458 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { |
||
3459 | if (connector->encoder_ids[i] == encoder->base.id) { |
||
3460 | connector->encoder_ids[i] = 0; |
||
3461 | if (connector->encoder == encoder) |
||
3462 | connector->encoder = NULL; |
||
3463 | break; |
||
3464 | } |
||
3465 | } |
||
3466 | } |
||
3467 | EXPORT_SYMBOL(drm_mode_connector_detach_encoder); |
||
3468 | |||
3031 | serge | 3469 | int drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc, |
1123 | serge | 3470 | int gamma_size) |
3471 | { |
||
3472 | crtc->gamma_size = gamma_size; |
||
3473 | |||
3474 | crtc->gamma_store = kzalloc(gamma_size * sizeof(uint16_t) * 3, GFP_KERNEL); |
||
3475 | if (!crtc->gamma_store) { |
||
3476 | crtc->gamma_size = 0; |
||
3031 | serge | 3477 | return -ENOMEM; |
1123 | serge | 3478 | } |
3479 | |||
3031 | serge | 3480 | return 0; |
1123 | serge | 3481 | } |
3482 | EXPORT_SYMBOL(drm_mode_crtc_set_gamma_size); |
||
3483 | |||
3484 | #if 0 |
||
3485 | int drm_mode_gamma_set_ioctl(struct drm_device *dev, |
||
3486 | void *data, struct drm_file *file_priv) |
||
3487 | { |
||
3488 | struct drm_mode_crtc_lut *crtc_lut = data; |
||
3489 | struct drm_mode_object *obj; |
||
3490 | struct drm_crtc *crtc; |
||
3491 | void *r_base, *g_base, *b_base; |
||
3492 | int size; |
||
3493 | int ret = 0; |
||
3494 | |||
1963 | serge | 3495 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
3496 | return -EINVAL; |
||
3497 | |||
3480 | Serge | 3498 | drm_modeset_lock_all(dev); |
1123 | serge | 3499 | obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC); |
3500 | if (!obj) { |
||
4560 | Serge | 3501 | ret = -ENOENT; |
1123 | serge | 3502 | goto out; |
3503 | } |
||
3504 | crtc = obj_to_crtc(obj); |
||
3505 | |||
3031 | serge | 3506 | if (crtc->funcs->gamma_set == NULL) { |
3507 | ret = -ENOSYS; |
||
3508 | goto out; |
||
3509 | } |
||
3510 | |||
1123 | serge | 3511 | /* memcpy into gamma store */ |
3512 | if (crtc_lut->gamma_size != crtc->gamma_size) { |
||
3513 | ret = -EINVAL; |
||
3514 | goto out; |
||
3515 | } |
||
3516 | |||
3517 | size = crtc_lut->gamma_size * (sizeof(uint16_t)); |
||
3518 | r_base = crtc->gamma_store; |
||
3519 | if (copy_from_user(r_base, (void __user *)(unsigned long)crtc_lut->red, size)) { |
||
3520 | ret = -EFAULT; |
||
3521 | goto out; |
||
3522 | } |
||
3523 | |||
3524 | g_base = r_base + size; |
||
3525 | if (copy_from_user(g_base, (void __user *)(unsigned long)crtc_lut->green, size)) { |
||
3526 | ret = -EFAULT; |
||
3527 | goto out; |
||
3528 | } |
||
3529 | |||
3530 | b_base = g_base + size; |
||
3531 | if (copy_from_user(b_base, (void __user *)(unsigned long)crtc_lut->blue, size)) { |
||
3532 | ret = -EFAULT; |
||
3533 | goto out; |
||
3534 | } |
||
3535 | |||
1963 | serge | 3536 | crtc->funcs->gamma_set(crtc, r_base, g_base, b_base, 0, crtc->gamma_size); |
1123 | serge | 3537 | |
3538 | out: |
||
3480 | Serge | 3539 | drm_modeset_unlock_all(dev); |
1123 | serge | 3540 | return ret; |
3541 | |||
3542 | } |
||
3543 | |||
3544 | int drm_mode_gamma_get_ioctl(struct drm_device *dev, |
||
3545 | void *data, struct drm_file *file_priv) |
||
3546 | { |
||
3547 | struct drm_mode_crtc_lut *crtc_lut = data; |
||
3548 | struct drm_mode_object *obj; |
||
3549 | struct drm_crtc *crtc; |
||
3550 | void *r_base, *g_base, *b_base; |
||
3551 | int size; |
||
3552 | int ret = 0; |
||
3553 | |||
1963 | serge | 3554 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
3555 | return -EINVAL; |
||
3556 | |||
3480 | Serge | 3557 | drm_modeset_lock_all(dev); |
1123 | serge | 3558 | obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC); |
3559 | if (!obj) { |
||
4560 | Serge | 3560 | ret = -ENOENT; |
1123 | serge | 3561 | goto out; |
3562 | } |
||
3563 | crtc = obj_to_crtc(obj); |
||
3564 | |||
3565 | /* memcpy into gamma store */ |
||
3566 | if (crtc_lut->gamma_size != crtc->gamma_size) { |
||
3567 | ret = -EINVAL; |
||
3568 | goto out; |
||
3569 | } |
||
3570 | |||
3571 | size = crtc_lut->gamma_size * (sizeof(uint16_t)); |
||
3572 | r_base = crtc->gamma_store; |
||
3573 | if (copy_to_user((void __user *)(unsigned long)crtc_lut->red, r_base, size)) { |
||
3574 | ret = -EFAULT; |
||
3575 | goto out; |
||
3576 | } |
||
3577 | |||
3578 | g_base = r_base + size; |
||
3579 | if (copy_to_user((void __user *)(unsigned long)crtc_lut->green, g_base, size)) { |
||
3580 | ret = -EFAULT; |
||
3581 | goto out; |
||
3582 | } |
||
3583 | |||
3584 | b_base = g_base + size; |
||
3585 | if (copy_to_user((void __user *)(unsigned long)crtc_lut->blue, b_base, size)) { |
||
3586 | ret = -EFAULT; |
||
3587 | goto out; |
||
3588 | } |
||
3589 | out: |
||
3480 | Serge | 3590 | drm_modeset_unlock_all(dev); |
1123 | serge | 3591 | return ret; |
3592 | } |
||
3593 | |||
3594 | #endif |
||
1179 | serge | 3595 | |
3596 | |||
1963 | serge | 3597 | void drm_mode_config_reset(struct drm_device *dev) |
3598 | { |
||
3599 | struct drm_crtc *crtc; |
||
3600 | struct drm_encoder *encoder; |
||
3601 | struct drm_connector *connector; |
||
3602 | |||
3603 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) |
||
3604 | if (crtc->funcs->reset) |
||
3605 | crtc->funcs->reset(crtc); |
||
3606 | |||
3607 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) |
||
3608 | if (encoder->funcs->reset) |
||
3609 | encoder->funcs->reset(encoder); |
||
3610 | |||
3192 | Serge | 3611 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { |
3612 | connector->status = connector_status_unknown; |
||
3613 | |||
1963 | serge | 3614 | if (connector->funcs->reset) |
3615 | connector->funcs->reset(connector); |
||
3192 | Serge | 3616 | } |
1963 | serge | 3617 | } |
3618 | EXPORT_SYMBOL(drm_mode_config_reset); |
||
3031 | serge | 3619 | /* |
3620 | * Just need to support RGB formats here for compat with code that doesn't |
||
3621 | * use pixel formats directly yet. |
||
3622 | */ |
||
3623 | void drm_fb_get_bpp_depth(uint32_t format, unsigned int *depth, |
||
3624 | int *bpp) |
||
3625 | { |
||
3626 | switch (format) { |
||
3480 | Serge | 3627 | case DRM_FORMAT_C8: |
3031 | serge | 3628 | case DRM_FORMAT_RGB332: |
3629 | case DRM_FORMAT_BGR233: |
||
3630 | *depth = 8; |
||
3631 | *bpp = 8; |
||
3632 | break; |
||
3633 | case DRM_FORMAT_XRGB1555: |
||
3634 | case DRM_FORMAT_XBGR1555: |
||
3635 | case DRM_FORMAT_RGBX5551: |
||
3636 | case DRM_FORMAT_BGRX5551: |
||
3637 | case DRM_FORMAT_ARGB1555: |
||
3638 | case DRM_FORMAT_ABGR1555: |
||
3639 | case DRM_FORMAT_RGBA5551: |
||
3640 | case DRM_FORMAT_BGRA5551: |
||
3641 | *depth = 15; |
||
3642 | *bpp = 16; |
||
3643 | break; |
||
3644 | case DRM_FORMAT_RGB565: |
||
3645 | case DRM_FORMAT_BGR565: |
||
3646 | *depth = 16; |
||
3647 | *bpp = 16; |
||
3648 | break; |
||
3649 | case DRM_FORMAT_RGB888: |
||
3650 | case DRM_FORMAT_BGR888: |
||
3651 | *depth = 24; |
||
3652 | *bpp = 24; |
||
3653 | break; |
||
3654 | case DRM_FORMAT_XRGB8888: |
||
3655 | case DRM_FORMAT_XBGR8888: |
||
3656 | case DRM_FORMAT_RGBX8888: |
||
3657 | case DRM_FORMAT_BGRX8888: |
||
3658 | *depth = 24; |
||
3659 | *bpp = 32; |
||
3660 | break; |
||
3661 | case DRM_FORMAT_XRGB2101010: |
||
3662 | case DRM_FORMAT_XBGR2101010: |
||
3663 | case DRM_FORMAT_RGBX1010102: |
||
3664 | case DRM_FORMAT_BGRX1010102: |
||
3665 | case DRM_FORMAT_ARGB2101010: |
||
3666 | case DRM_FORMAT_ABGR2101010: |
||
3667 | case DRM_FORMAT_RGBA1010102: |
||
3668 | case DRM_FORMAT_BGRA1010102: |
||
3669 | *depth = 30; |
||
3670 | *bpp = 32; |
||
3671 | break; |
||
3672 | case DRM_FORMAT_ARGB8888: |
||
3673 | case DRM_FORMAT_ABGR8888: |
||
3674 | case DRM_FORMAT_RGBA8888: |
||
3675 | case DRM_FORMAT_BGRA8888: |
||
3676 | *depth = 32; |
||
3677 | *bpp = 32; |
||
3678 | break; |
||
3679 | default: |
||
4560 | Serge | 3680 | DRM_DEBUG_KMS("unsupported pixel format %s\n", |
3681 | drm_get_format_name(format)); |
||
3031 | serge | 3682 | *depth = 0; |
3683 | *bpp = 0; |
||
3684 | break; |
||
3685 | } |
||
3686 | } |
||
3687 | EXPORT_SYMBOL(drm_fb_get_bpp_depth); |
||
3688 | |||
3689 | /** |
||
3690 | * drm_format_num_planes - get the number of planes for format |
||
3691 | * @format: pixel format (DRM_FORMAT_*) |
||
3692 | * |
||
3693 | * RETURNS: |
||
3694 | * The number of planes used by the specified pixel format. |
||
3695 | */ |
||
3696 | int drm_format_num_planes(uint32_t format) |
||
3697 | { |
||
3698 | switch (format) { |
||
3699 | case DRM_FORMAT_YUV410: |
||
3700 | case DRM_FORMAT_YVU410: |
||
3701 | case DRM_FORMAT_YUV411: |
||
3702 | case DRM_FORMAT_YVU411: |
||
3703 | case DRM_FORMAT_YUV420: |
||
3704 | case DRM_FORMAT_YVU420: |
||
3705 | case DRM_FORMAT_YUV422: |
||
3706 | case DRM_FORMAT_YVU422: |
||
3707 | case DRM_FORMAT_YUV444: |
||
3708 | case DRM_FORMAT_YVU444: |
||
3709 | return 3; |
||
3710 | case DRM_FORMAT_NV12: |
||
3711 | case DRM_FORMAT_NV21: |
||
3712 | case DRM_FORMAT_NV16: |
||
3713 | case DRM_FORMAT_NV61: |
||
3714 | case DRM_FORMAT_NV24: |
||
3715 | case DRM_FORMAT_NV42: |
||
3716 | return 2; |
||
3717 | default: |
||
3718 | return 1; |
||
3719 | } |
||
3720 | } |
||
3721 | EXPORT_SYMBOL(drm_format_num_planes); |
||
3722 | |||
3723 | /** |
||
3724 | * drm_format_plane_cpp - determine the bytes per pixel value |
||
3725 | * @format: pixel format (DRM_FORMAT_*) |
||
3726 | * @plane: plane index |
||
3727 | * |
||
3728 | * RETURNS: |
||
3729 | * The bytes per pixel value for the specified plane. |
||
3730 | */ |
||
3731 | int drm_format_plane_cpp(uint32_t format, int plane) |
||
3732 | { |
||
3733 | unsigned int depth; |
||
3734 | int bpp; |
||
3735 | |||
3736 | if (plane >= drm_format_num_planes(format)) |
||
3737 | return 0; |
||
3738 | |||
3739 | switch (format) { |
||
3740 | case DRM_FORMAT_YUYV: |
||
3741 | case DRM_FORMAT_YVYU: |
||
3742 | case DRM_FORMAT_UYVY: |
||
3743 | case DRM_FORMAT_VYUY: |
||
3744 | return 2; |
||
3745 | case DRM_FORMAT_NV12: |
||
3746 | case DRM_FORMAT_NV21: |
||
3747 | case DRM_FORMAT_NV16: |
||
3748 | case DRM_FORMAT_NV61: |
||
3749 | case DRM_FORMAT_NV24: |
||
3750 | case DRM_FORMAT_NV42: |
||
3751 | return plane ? 2 : 1; |
||
3752 | case DRM_FORMAT_YUV410: |
||
3753 | case DRM_FORMAT_YVU410: |
||
3754 | case DRM_FORMAT_YUV411: |
||
3755 | case DRM_FORMAT_YVU411: |
||
3756 | case DRM_FORMAT_YUV420: |
||
3757 | case DRM_FORMAT_YVU420: |
||
3758 | case DRM_FORMAT_YUV422: |
||
3759 | case DRM_FORMAT_YVU422: |
||
3760 | case DRM_FORMAT_YUV444: |
||
3761 | case DRM_FORMAT_YVU444: |
||
3762 | return 1; |
||
3763 | default: |
||
3764 | drm_fb_get_bpp_depth(format, &depth, &bpp); |
||
3765 | return bpp >> 3; |
||
3766 | } |
||
3767 | } |
||
3768 | EXPORT_SYMBOL(drm_format_plane_cpp); |
||
3769 | |||
3770 | /** |
||
3771 | * drm_format_horz_chroma_subsampling - get the horizontal chroma subsampling factor |
||
3772 | * @format: pixel format (DRM_FORMAT_*) |
||
3773 | * |
||
3774 | * RETURNS: |
||
3775 | * The horizontal chroma subsampling factor for the |
||
3776 | * specified pixel format. |
||
3777 | */ |
||
3778 | int drm_format_horz_chroma_subsampling(uint32_t format) |
||
3779 | { |
||
3780 | switch (format) { |
||
3781 | case DRM_FORMAT_YUV411: |
||
3782 | case DRM_FORMAT_YVU411: |
||
3783 | case DRM_FORMAT_YUV410: |
||
3784 | case DRM_FORMAT_YVU410: |
||
3785 | return 4; |
||
3786 | case DRM_FORMAT_YUYV: |
||
3787 | case DRM_FORMAT_YVYU: |
||
3788 | case DRM_FORMAT_UYVY: |
||
3789 | case DRM_FORMAT_VYUY: |
||
3790 | case DRM_FORMAT_NV12: |
||
3791 | case DRM_FORMAT_NV21: |
||
3792 | case DRM_FORMAT_NV16: |
||
3793 | case DRM_FORMAT_NV61: |
||
3794 | case DRM_FORMAT_YUV422: |
||
3795 | case DRM_FORMAT_YVU422: |
||
3796 | case DRM_FORMAT_YUV420: |
||
3797 | case DRM_FORMAT_YVU420: |
||
3798 | return 2; |
||
3799 | default: |
||
3800 | return 1; |
||
3801 | } |
||
3802 | } |
||
3803 | EXPORT_SYMBOL(drm_format_horz_chroma_subsampling); |
||
3804 | |||
3805 | /** |
||
3806 | * drm_format_vert_chroma_subsampling - get the vertical chroma subsampling factor |
||
3807 | * @format: pixel format (DRM_FORMAT_*) |
||
3808 | * |
||
3809 | * RETURNS: |
||
3810 | * The vertical chroma subsampling factor for the |
||
3811 | * specified pixel format. |
||
3812 | */ |
||
3813 | int drm_format_vert_chroma_subsampling(uint32_t format) |
||
3814 | { |
||
3815 | switch (format) { |
||
3816 | case DRM_FORMAT_YUV410: |
||
3817 | case DRM_FORMAT_YVU410: |
||
3818 | return 4; |
||
3819 | case DRM_FORMAT_YUV420: |
||
3820 | case DRM_FORMAT_YVU420: |
||
3821 | case DRM_FORMAT_NV12: |
||
3822 | case DRM_FORMAT_NV21: |
||
3823 | return 2; |
||
3824 | default: |
||
3825 | return 1; |
||
3826 | } |
||
3827 | } |
||
3828 | EXPORT_SYMBOL(drm_format_vert_chroma_subsampling); |
||
3746 | Serge | 3829 | |
3830 | /** |
||
3831 | * drm_mode_config_init - initialize DRM mode_configuration structure |
||
3832 | * @dev: DRM device |
||
3833 | * |
||
3834 | * Initialize @dev's mode_config structure, used for tracking the graphics |
||
3835 | * configuration of @dev. |
||
3836 | * |
||
3837 | * Since this initializes the modeset locks, no locking is possible. Which is no |
||
3838 | * problem, since this should happen single threaded at init time. It is the |
||
3839 | * driver's problem to ensure this guarantee. |
||
3840 | * |
||
3841 | */ |
||
3842 | void drm_mode_config_init(struct drm_device *dev) |
||
3843 | { |
||
3844 | mutex_init(&dev->mode_config.mutex); |
||
3845 | mutex_init(&dev->mode_config.idr_mutex); |
||
3846 | mutex_init(&dev->mode_config.fb_lock); |
||
3847 | INIT_LIST_HEAD(&dev->mode_config.fb_list); |
||
3848 | INIT_LIST_HEAD(&dev->mode_config.crtc_list); |
||
3849 | INIT_LIST_HEAD(&dev->mode_config.connector_list); |
||
4104 | Serge | 3850 | INIT_LIST_HEAD(&dev->mode_config.bridge_list); |
3746 | Serge | 3851 | INIT_LIST_HEAD(&dev->mode_config.encoder_list); |
3852 | INIT_LIST_HEAD(&dev->mode_config.property_list); |
||
3853 | INIT_LIST_HEAD(&dev->mode_config.property_blob_list); |
||
3854 | INIT_LIST_HEAD(&dev->mode_config.plane_list); |
||
3855 | idr_init(&dev->mode_config.crtc_idr); |
||
3856 | |||
3857 | drm_modeset_lock_all(dev); |
||
3858 | drm_mode_create_standard_connector_properties(dev); |
||
3859 | drm_modeset_unlock_all(dev); |
||
3860 | |||
3861 | /* Just to be sure */ |
||
3862 | dev->mode_config.num_fb = 0; |
||
3863 | dev->mode_config.num_connector = 0; |
||
3864 | dev->mode_config.num_crtc = 0; |
||
3865 | dev->mode_config.num_encoder = 0; |
||
3866 | } |
||
3867 | EXPORT_SYMBOL(drm_mode_config_init);>>>>>>>>>>=>=>>>>><>><>>>>>>>>>>>>>> |
||
3868 |