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