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1 | /* |
1 | /* |
2 | * Copyright (c) 2006-2008 Intel Corporation |
2 | * Copyright (c) 2006-2008 Intel Corporation |
3 | * Copyright (c) 2007 Dave Airlie |
3 | * Copyright (c) 2007 Dave Airlie |
4 | * Copyright (c) 2008 Red Hat Inc. |
4 | * Copyright (c) 2008 Red Hat Inc. |
5 | * |
5 | * |
6 | * DRM core CRTC related functions |
6 | * DRM core CRTC related functions |
7 | * |
7 | * |
8 | * Permission to use, copy, modify, distribute, and sell this software and its |
8 | * Permission to use, copy, modify, distribute, and sell this software and its |
9 | * documentation for any purpose is hereby granted without fee, provided that |
9 | * documentation for any purpose is hereby granted without fee, provided that |
10 | * the above copyright notice appear in all copies and that both that copyright |
10 | * the above copyright notice appear in all copies and that both that copyright |
11 | * notice and this permission notice appear in supporting documentation, and |
11 | * notice and this permission notice appear in supporting documentation, and |
12 | * that the name of the copyright holders not be used in advertising or |
12 | * that the name of the copyright holders not be used in advertising or |
13 | * publicity pertaining to distribution of the software without specific, |
13 | * publicity pertaining to distribution of the software without specific, |
14 | * written prior permission. The copyright holders make no representations |
14 | * written prior permission. The copyright holders make no representations |
15 | * about the suitability of this software for any purpose. It is provided "as |
15 | * about the suitability of this software for any purpose. It is provided "as |
16 | * is" without express or implied warranty. |
16 | * is" without express or implied warranty. |
17 | * |
17 | * |
18 | * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, |
18 | * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, |
19 | * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO |
19 | * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO |
20 | * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR |
20 | * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR |
21 | * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, |
21 | * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, |
22 | * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
22 | * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
23 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE |
23 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE |
24 | * OF THIS SOFTWARE. |
24 | * OF THIS SOFTWARE. |
25 | * |
25 | * |
26 | * Authors: |
26 | * Authors: |
27 | * Keith Packard |
27 | * Keith Packard |
28 | * Eric Anholt |
28 | * Eric Anholt |
29 | * Dave Airlie |
29 | * Dave Airlie |
30 | * Jesse Barnes |
30 | * Jesse Barnes |
31 | */ |
31 | */ |
32 | #include |
32 | #include |
33 | #include |
33 | #include |
34 | #include |
34 | #include |
35 | #include |
35 | #include |
36 | #include |
36 | #include |
37 | #include |
37 | #include |
38 | #include |
38 | #include |
39 | #include |
39 | #include |
40 | #include |
40 | #include |
41 | #include |
41 | #include |
42 | 42 | ||
43 | #include "drm_crtc_internal.h" |
43 | #include "drm_crtc_internal.h" |
44 | #include "drm_internal.h" |
44 | #include "drm_internal.h" |
45 | 45 | ||
46 | static struct drm_framebuffer * |
46 | static struct drm_framebuffer * |
47 | internal_framebuffer_create(struct drm_device *dev, |
47 | internal_framebuffer_create(struct drm_device *dev, |
48 | const struct drm_mode_fb_cmd2 *r, |
48 | const struct drm_mode_fb_cmd2 *r, |
49 | struct drm_file *file_priv); |
49 | struct drm_file *file_priv); |
50 | 50 | ||
51 | /* Avoid boilerplate. I'm tired of typing. */ |
51 | /* Avoid boilerplate. I'm tired of typing. */ |
52 | #define DRM_ENUM_NAME_FN(fnname, list) \ |
52 | #define DRM_ENUM_NAME_FN(fnname, list) \ |
53 | const char *fnname(int val) \ |
53 | const char *fnname(int val) \ |
54 | { \ |
54 | { \ |
55 | int i; \ |
55 | int i; \ |
56 | for (i = 0; i < ARRAY_SIZE(list); i++) { \ |
56 | for (i = 0; i < ARRAY_SIZE(list); i++) { \ |
57 | if (list[i].type == val) \ |
57 | if (list[i].type == val) \ |
58 | return list[i].name; \ |
58 | return list[i].name; \ |
59 | } \ |
59 | } \ |
60 | return "(unknown)"; \ |
60 | return "(unknown)"; \ |
61 | } |
61 | } |
62 | 62 | ||
63 | /* |
63 | /* |
64 | * Global properties |
64 | * Global properties |
65 | */ |
65 | */ |
66 | static const struct drm_prop_enum_list drm_dpms_enum_list[] = { |
66 | static const struct drm_prop_enum_list drm_dpms_enum_list[] = { |
67 | { DRM_MODE_DPMS_ON, "On" }, |
67 | { DRM_MODE_DPMS_ON, "On" }, |
68 | { DRM_MODE_DPMS_STANDBY, "Standby" }, |
68 | { DRM_MODE_DPMS_STANDBY, "Standby" }, |
69 | { DRM_MODE_DPMS_SUSPEND, "Suspend" }, |
69 | { DRM_MODE_DPMS_SUSPEND, "Suspend" }, |
70 | { DRM_MODE_DPMS_OFF, "Off" } |
70 | { DRM_MODE_DPMS_OFF, "Off" } |
71 | }; |
71 | }; |
72 | 72 | ||
73 | DRM_ENUM_NAME_FN(drm_get_dpms_name, drm_dpms_enum_list) |
73 | DRM_ENUM_NAME_FN(drm_get_dpms_name, drm_dpms_enum_list) |
74 | 74 | ||
75 | static const struct drm_prop_enum_list drm_plane_type_enum_list[] = { |
75 | static const struct drm_prop_enum_list drm_plane_type_enum_list[] = { |
76 | { DRM_PLANE_TYPE_OVERLAY, "Overlay" }, |
76 | { DRM_PLANE_TYPE_OVERLAY, "Overlay" }, |
77 | { DRM_PLANE_TYPE_PRIMARY, "Primary" }, |
77 | { DRM_PLANE_TYPE_PRIMARY, "Primary" }, |
78 | { DRM_PLANE_TYPE_CURSOR, "Cursor" }, |
78 | { DRM_PLANE_TYPE_CURSOR, "Cursor" }, |
79 | }; |
79 | }; |
80 | 80 | ||
81 | /* |
81 | /* |
82 | * Optional properties |
82 | * Optional properties |
83 | */ |
83 | */ |
84 | static const struct drm_prop_enum_list drm_scaling_mode_enum_list[] = { |
84 | static const struct drm_prop_enum_list drm_scaling_mode_enum_list[] = { |
85 | { DRM_MODE_SCALE_NONE, "None" }, |
85 | { DRM_MODE_SCALE_NONE, "None" }, |
86 | { DRM_MODE_SCALE_FULLSCREEN, "Full" }, |
86 | { DRM_MODE_SCALE_FULLSCREEN, "Full" }, |
87 | { DRM_MODE_SCALE_CENTER, "Center" }, |
87 | { DRM_MODE_SCALE_CENTER, "Center" }, |
88 | { DRM_MODE_SCALE_ASPECT, "Full aspect" }, |
88 | { DRM_MODE_SCALE_ASPECT, "Full aspect" }, |
89 | }; |
89 | }; |
90 | 90 | ||
91 | static const struct drm_prop_enum_list drm_aspect_ratio_enum_list[] = { |
91 | static const struct drm_prop_enum_list drm_aspect_ratio_enum_list[] = { |
92 | { DRM_MODE_PICTURE_ASPECT_NONE, "Automatic" }, |
92 | { DRM_MODE_PICTURE_ASPECT_NONE, "Automatic" }, |
93 | { DRM_MODE_PICTURE_ASPECT_4_3, "4:3" }, |
93 | { DRM_MODE_PICTURE_ASPECT_4_3, "4:3" }, |
94 | { DRM_MODE_PICTURE_ASPECT_16_9, "16:9" }, |
94 | { DRM_MODE_PICTURE_ASPECT_16_9, "16:9" }, |
95 | }; |
95 | }; |
96 | 96 | ||
97 | /* |
97 | /* |
98 | * Non-global properties, but "required" for certain connectors. |
98 | * Non-global properties, but "required" for certain connectors. |
99 | */ |
99 | */ |
100 | static const struct drm_prop_enum_list drm_dvi_i_select_enum_list[] = { |
100 | static const struct drm_prop_enum_list drm_dvi_i_select_enum_list[] = { |
101 | { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */ |
101 | { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */ |
102 | { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */ |
102 | { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */ |
103 | { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */ |
103 | { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */ |
104 | }; |
104 | }; |
105 | 105 | ||
106 | DRM_ENUM_NAME_FN(drm_get_dvi_i_select_name, drm_dvi_i_select_enum_list) |
106 | DRM_ENUM_NAME_FN(drm_get_dvi_i_select_name, drm_dvi_i_select_enum_list) |
107 | 107 | ||
108 | static const struct drm_prop_enum_list drm_dvi_i_subconnector_enum_list[] = { |
108 | static const struct drm_prop_enum_list drm_dvi_i_subconnector_enum_list[] = { |
109 | { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */ |
109 | { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */ |
110 | { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */ |
110 | { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */ |
111 | { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */ |
111 | { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */ |
112 | }; |
112 | }; |
113 | 113 | ||
114 | DRM_ENUM_NAME_FN(drm_get_dvi_i_subconnector_name, |
114 | DRM_ENUM_NAME_FN(drm_get_dvi_i_subconnector_name, |
115 | drm_dvi_i_subconnector_enum_list) |
115 | drm_dvi_i_subconnector_enum_list) |
116 | 116 | ||
117 | static const struct drm_prop_enum_list drm_tv_select_enum_list[] = { |
117 | static const struct drm_prop_enum_list drm_tv_select_enum_list[] = { |
118 | { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */ |
118 | { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */ |
119 | { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */ |
119 | { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */ |
120 | { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */ |
120 | { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */ |
121 | { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */ |
121 | { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */ |
122 | { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */ |
122 | { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */ |
123 | }; |
123 | }; |
124 | 124 | ||
125 | DRM_ENUM_NAME_FN(drm_get_tv_select_name, drm_tv_select_enum_list) |
125 | DRM_ENUM_NAME_FN(drm_get_tv_select_name, drm_tv_select_enum_list) |
126 | 126 | ||
127 | static const struct drm_prop_enum_list drm_tv_subconnector_enum_list[] = { |
127 | static const struct drm_prop_enum_list drm_tv_subconnector_enum_list[] = { |
128 | { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */ |
128 | { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */ |
129 | { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */ |
129 | { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */ |
130 | { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */ |
130 | { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */ |
131 | { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */ |
131 | { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */ |
132 | { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */ |
132 | { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */ |
133 | }; |
133 | }; |
134 | 134 | ||
135 | DRM_ENUM_NAME_FN(drm_get_tv_subconnector_name, |
135 | DRM_ENUM_NAME_FN(drm_get_tv_subconnector_name, |
136 | drm_tv_subconnector_enum_list) |
136 | drm_tv_subconnector_enum_list) |
137 | 137 | ||
138 | static const struct drm_prop_enum_list drm_dirty_info_enum_list[] = { |
138 | static const struct drm_prop_enum_list drm_dirty_info_enum_list[] = { |
139 | { DRM_MODE_DIRTY_OFF, "Off" }, |
139 | { DRM_MODE_DIRTY_OFF, "Off" }, |
140 | { DRM_MODE_DIRTY_ON, "On" }, |
140 | { DRM_MODE_DIRTY_ON, "On" }, |
141 | { DRM_MODE_DIRTY_ANNOTATE, "Annotate" }, |
141 | { DRM_MODE_DIRTY_ANNOTATE, "Annotate" }, |
142 | }; |
142 | }; |
143 | 143 | ||
144 | struct drm_conn_prop_enum_list { |
144 | struct drm_conn_prop_enum_list { |
145 | int type; |
145 | int type; |
146 | const char *name; |
146 | const char *name; |
147 | struct ida ida; |
147 | struct ida ida; |
148 | }; |
148 | }; |
149 | 149 | ||
150 | /* |
150 | /* |
151 | * Connector and encoder types. |
151 | * Connector and encoder types. |
152 | */ |
152 | */ |
153 | static struct drm_conn_prop_enum_list drm_connector_enum_list[] = { |
153 | static struct drm_conn_prop_enum_list drm_connector_enum_list[] = { |
154 | { DRM_MODE_CONNECTOR_Unknown, "Unknown" }, |
154 | { DRM_MODE_CONNECTOR_Unknown, "Unknown" }, |
155 | { DRM_MODE_CONNECTOR_VGA, "VGA" }, |
155 | { DRM_MODE_CONNECTOR_VGA, "VGA" }, |
156 | { DRM_MODE_CONNECTOR_DVII, "DVI-I" }, |
156 | { DRM_MODE_CONNECTOR_DVII, "DVI-I" }, |
157 | { DRM_MODE_CONNECTOR_DVID, "DVI-D" }, |
157 | { DRM_MODE_CONNECTOR_DVID, "DVI-D" }, |
158 | { DRM_MODE_CONNECTOR_DVIA, "DVI-A" }, |
158 | { DRM_MODE_CONNECTOR_DVIA, "DVI-A" }, |
159 | { DRM_MODE_CONNECTOR_Composite, "Composite" }, |
159 | { DRM_MODE_CONNECTOR_Composite, "Composite" }, |
160 | { DRM_MODE_CONNECTOR_SVIDEO, "SVIDEO" }, |
160 | { DRM_MODE_CONNECTOR_SVIDEO, "SVIDEO" }, |
161 | { DRM_MODE_CONNECTOR_LVDS, "LVDS" }, |
161 | { DRM_MODE_CONNECTOR_LVDS, "LVDS" }, |
162 | { DRM_MODE_CONNECTOR_Component, "Component" }, |
162 | { DRM_MODE_CONNECTOR_Component, "Component" }, |
163 | { DRM_MODE_CONNECTOR_9PinDIN, "DIN" }, |
163 | { DRM_MODE_CONNECTOR_9PinDIN, "DIN" }, |
164 | { DRM_MODE_CONNECTOR_DisplayPort, "DP" }, |
164 | { DRM_MODE_CONNECTOR_DisplayPort, "DP" }, |
165 | { DRM_MODE_CONNECTOR_HDMIA, "HDMI-A" }, |
165 | { DRM_MODE_CONNECTOR_HDMIA, "HDMI-A" }, |
166 | { DRM_MODE_CONNECTOR_HDMIB, "HDMI-B" }, |
166 | { DRM_MODE_CONNECTOR_HDMIB, "HDMI-B" }, |
167 | { DRM_MODE_CONNECTOR_TV, "TV" }, |
167 | { DRM_MODE_CONNECTOR_TV, "TV" }, |
168 | { DRM_MODE_CONNECTOR_eDP, "eDP" }, |
168 | { DRM_MODE_CONNECTOR_eDP, "eDP" }, |
169 | { DRM_MODE_CONNECTOR_VIRTUAL, "Virtual" }, |
169 | { DRM_MODE_CONNECTOR_VIRTUAL, "Virtual" }, |
170 | { DRM_MODE_CONNECTOR_DSI, "DSI" }, |
170 | { DRM_MODE_CONNECTOR_DSI, "DSI" }, |
171 | }; |
171 | }; |
172 | 172 | ||
173 | static const struct drm_prop_enum_list drm_encoder_enum_list[] = { |
173 | static const struct drm_prop_enum_list drm_encoder_enum_list[] = { |
174 | { DRM_MODE_ENCODER_NONE, "None" }, |
174 | { DRM_MODE_ENCODER_NONE, "None" }, |
175 | { DRM_MODE_ENCODER_DAC, "DAC" }, |
175 | { DRM_MODE_ENCODER_DAC, "DAC" }, |
176 | { DRM_MODE_ENCODER_TMDS, "TMDS" }, |
176 | { DRM_MODE_ENCODER_TMDS, "TMDS" }, |
177 | { DRM_MODE_ENCODER_LVDS, "LVDS" }, |
177 | { DRM_MODE_ENCODER_LVDS, "LVDS" }, |
178 | { DRM_MODE_ENCODER_TVDAC, "TV" }, |
178 | { DRM_MODE_ENCODER_TVDAC, "TV" }, |
179 | { DRM_MODE_ENCODER_VIRTUAL, "Virtual" }, |
179 | { DRM_MODE_ENCODER_VIRTUAL, "Virtual" }, |
180 | { DRM_MODE_ENCODER_DSI, "DSI" }, |
180 | { DRM_MODE_ENCODER_DSI, "DSI" }, |
181 | { DRM_MODE_ENCODER_DPMST, "DP MST" }, |
181 | { DRM_MODE_ENCODER_DPMST, "DP MST" }, |
182 | }; |
182 | }; |
183 | 183 | ||
184 | static const struct drm_prop_enum_list drm_subpixel_enum_list[] = { |
184 | static const struct drm_prop_enum_list drm_subpixel_enum_list[] = { |
185 | { SubPixelUnknown, "Unknown" }, |
185 | { SubPixelUnknown, "Unknown" }, |
186 | { SubPixelHorizontalRGB, "Horizontal RGB" }, |
186 | { SubPixelHorizontalRGB, "Horizontal RGB" }, |
187 | { SubPixelHorizontalBGR, "Horizontal BGR" }, |
187 | { SubPixelHorizontalBGR, "Horizontal BGR" }, |
188 | { SubPixelVerticalRGB, "Vertical RGB" }, |
188 | { SubPixelVerticalRGB, "Vertical RGB" }, |
189 | { SubPixelVerticalBGR, "Vertical BGR" }, |
189 | { SubPixelVerticalBGR, "Vertical BGR" }, |
190 | { SubPixelNone, "None" }, |
190 | { SubPixelNone, "None" }, |
191 | }; |
191 | }; |
192 | 192 | ||
193 | void drm_connector_ida_init(void) |
193 | void drm_connector_ida_init(void) |
194 | { |
194 | { |
195 | int i; |
195 | int i; |
196 | 196 | ||
197 | for (i = 0; i < ARRAY_SIZE(drm_connector_enum_list); i++) |
197 | for (i = 0; i < ARRAY_SIZE(drm_connector_enum_list); i++) |
198 | ida_init(&drm_connector_enum_list[i].ida); |
198 | ida_init(&drm_connector_enum_list[i].ida); |
199 | } |
199 | } |
200 | 200 | ||
201 | void drm_connector_ida_destroy(void) |
201 | void drm_connector_ida_destroy(void) |
202 | { |
202 | { |
203 | int i; |
203 | int i; |
204 | 204 | ||
205 | for (i = 0; i < ARRAY_SIZE(drm_connector_enum_list); i++) |
205 | for (i = 0; i < ARRAY_SIZE(drm_connector_enum_list); i++) |
206 | ida_destroy(&drm_connector_enum_list[i].ida); |
206 | ida_destroy(&drm_connector_enum_list[i].ida); |
207 | } |
207 | } |
208 | 208 | ||
209 | /** |
209 | /** |
210 | * drm_get_connector_status_name - return a string for connector status |
210 | * drm_get_connector_status_name - return a string for connector status |
211 | * @status: connector status to compute name of |
211 | * @status: connector status to compute name of |
212 | * |
212 | * |
213 | * In contrast to the other drm_get_*_name functions this one here returns a |
213 | * In contrast to the other drm_get_*_name functions this one here returns a |
214 | * const pointer and hence is threadsafe. |
214 | * const pointer and hence is threadsafe. |
215 | */ |
215 | */ |
216 | const char *drm_get_connector_status_name(enum drm_connector_status status) |
216 | const char *drm_get_connector_status_name(enum drm_connector_status status) |
217 | { |
217 | { |
218 | if (status == connector_status_connected) |
218 | if (status == connector_status_connected) |
219 | return "connected"; |
219 | return "connected"; |
220 | else if (status == connector_status_disconnected) |
220 | else if (status == connector_status_disconnected) |
221 | return "disconnected"; |
221 | return "disconnected"; |
222 | else |
222 | else |
223 | return "unknown"; |
223 | return "unknown"; |
224 | } |
224 | } |
225 | EXPORT_SYMBOL(drm_get_connector_status_name); |
225 | EXPORT_SYMBOL(drm_get_connector_status_name); |
226 | 226 | ||
227 | /** |
227 | /** |
228 | * drm_get_subpixel_order_name - return a string for a given subpixel enum |
228 | * drm_get_subpixel_order_name - return a string for a given subpixel enum |
229 | * @order: enum of subpixel_order |
229 | * @order: enum of subpixel_order |
230 | * |
230 | * |
231 | * Note you could abuse this and return something out of bounds, but that |
231 | * Note you could abuse this and return something out of bounds, but that |
232 | * would be a caller error. No unscrubbed user data should make it here. |
232 | * would be a caller error. No unscrubbed user data should make it here. |
233 | */ |
233 | */ |
234 | const char *drm_get_subpixel_order_name(enum subpixel_order order) |
234 | const char *drm_get_subpixel_order_name(enum subpixel_order order) |
235 | { |
235 | { |
236 | return drm_subpixel_enum_list[order].name; |
236 | return drm_subpixel_enum_list[order].name; |
237 | } |
237 | } |
238 | EXPORT_SYMBOL(drm_get_subpixel_order_name); |
238 | EXPORT_SYMBOL(drm_get_subpixel_order_name); |
239 | 239 | ||
240 | static char printable_char(int c) |
240 | static char printable_char(int c) |
241 | { |
241 | { |
242 | return isascii(c) && isprint(c) ? c : '?'; |
242 | return isascii(c) && isprint(c) ? c : '?'; |
243 | } |
243 | } |
244 | 244 | ||
245 | /** |
245 | /** |
246 | * drm_get_format_name - return a string for drm fourcc format |
246 | * drm_get_format_name - return a string for drm fourcc format |
247 | * @format: format to compute name of |
247 | * @format: format to compute name of |
248 | * |
248 | * |
249 | * Note that the buffer used by this function is globally shared and owned by |
249 | * Note that the buffer used by this function is globally shared and owned by |
250 | * the function itself. |
250 | * the function itself. |
251 | * |
251 | * |
252 | * FIXME: This isn't really multithreading safe. |
252 | * FIXME: This isn't really multithreading safe. |
253 | */ |
253 | */ |
254 | const char *drm_get_format_name(uint32_t format) |
254 | const char *drm_get_format_name(uint32_t format) |
255 | { |
255 | { |
256 | static char buf[32]; |
256 | static char buf[32]; |
257 | 257 | ||
258 | snprintf(buf, sizeof(buf), |
258 | snprintf(buf, sizeof(buf), |
259 | "%c%c%c%c %s-endian (0x%08x)", |
259 | "%c%c%c%c %s-endian (0x%08x)", |
260 | printable_char(format & 0xff), |
260 | printable_char(format & 0xff), |
261 | printable_char((format >> 8) & 0xff), |
261 | printable_char((format >> 8) & 0xff), |
262 | printable_char((format >> 16) & 0xff), |
262 | printable_char((format >> 16) & 0xff), |
263 | printable_char((format >> 24) & 0x7f), |
263 | printable_char((format >> 24) & 0x7f), |
264 | format & DRM_FORMAT_BIG_ENDIAN ? "big" : "little", |
264 | format & DRM_FORMAT_BIG_ENDIAN ? "big" : "little", |
265 | format); |
265 | format); |
266 | 266 | ||
267 | return buf; |
267 | return buf; |
268 | } |
268 | } |
269 | EXPORT_SYMBOL(drm_get_format_name); |
269 | EXPORT_SYMBOL(drm_get_format_name); |
270 | 270 | ||
271 | /* |
271 | /* |
272 | * Internal function to assign a slot in the object idr and optionally |
272 | * Internal function to assign a slot in the object idr and optionally |
273 | * register the object into the idr. |
273 | * register the object into the idr. |
274 | */ |
274 | */ |
275 | static int drm_mode_object_get_reg(struct drm_device *dev, |
275 | static int drm_mode_object_get_reg(struct drm_device *dev, |
276 | struct drm_mode_object *obj, |
276 | struct drm_mode_object *obj, |
277 | uint32_t obj_type, |
277 | uint32_t obj_type, |
278 | bool register_obj) |
278 | bool register_obj) |
279 | { |
279 | { |
280 | int ret; |
280 | int ret; |
281 | 281 | ||
282 | mutex_lock(&dev->mode_config.idr_mutex); |
282 | mutex_lock(&dev->mode_config.idr_mutex); |
283 | ret = idr_alloc(&dev->mode_config.crtc_idr, register_obj ? obj : NULL, 1, 0, GFP_KERNEL); |
283 | ret = idr_alloc(&dev->mode_config.crtc_idr, register_obj ? obj : NULL, 1, 0, GFP_KERNEL); |
284 | if (ret >= 0) { |
284 | if (ret >= 0) { |
285 | /* |
285 | /* |
286 | * Set up the object linking under the protection of the idr |
286 | * Set up the object linking under the protection of the idr |
287 | * lock so that other users can't see inconsistent state. |
287 | * lock so that other users can't see inconsistent state. |
288 | */ |
288 | */ |
289 | obj->id = ret; |
289 | obj->id = ret; |
290 | obj->type = obj_type; |
290 | obj->type = obj_type; |
291 | } |
291 | } |
292 | mutex_unlock(&dev->mode_config.idr_mutex); |
292 | mutex_unlock(&dev->mode_config.idr_mutex); |
293 | 293 | ||
294 | return ret < 0 ? ret : 0; |
294 | return ret < 0 ? ret : 0; |
295 | } |
295 | } |
296 | 296 | ||
297 | /** |
297 | /** |
298 | * drm_mode_object_get - allocate a new modeset identifier |
298 | * drm_mode_object_get - allocate a new modeset identifier |
299 | * @dev: DRM device |
299 | * @dev: DRM device |
300 | * @obj: object pointer, used to generate unique ID |
300 | * @obj: object pointer, used to generate unique ID |
301 | * @obj_type: object type |
301 | * @obj_type: object type |
302 | * |
302 | * |
303 | * Create a unique identifier based on @ptr in @dev's identifier space. Used |
303 | * Create a unique identifier based on @ptr in @dev's identifier space. Used |
304 | * for tracking modes, CRTCs and connectors. Note that despite the _get postfix |
304 | * for tracking modes, CRTCs and connectors. Note that despite the _get postfix |
305 | * modeset identifiers are _not_ reference counted. Hence don't use this for |
305 | * modeset identifiers are _not_ reference counted. Hence don't use this for |
306 | * reference counted modeset objects like framebuffers. |
306 | * reference counted modeset objects like framebuffers. |
307 | * |
307 | * |
308 | * Returns: |
308 | * Returns: |
309 | * Zero on success, error code on failure. |
309 | * Zero on success, error code on failure. |
310 | */ |
310 | */ |
311 | int drm_mode_object_get(struct drm_device *dev, |
311 | int drm_mode_object_get(struct drm_device *dev, |
312 | struct drm_mode_object *obj, uint32_t obj_type) |
312 | struct drm_mode_object *obj, uint32_t obj_type) |
313 | { |
313 | { |
314 | return drm_mode_object_get_reg(dev, obj, obj_type, true); |
314 | return drm_mode_object_get_reg(dev, obj, obj_type, true); |
315 | } |
315 | } |
316 | 316 | ||
317 | static void drm_mode_object_register(struct drm_device *dev, |
317 | static void drm_mode_object_register(struct drm_device *dev, |
318 | struct drm_mode_object *obj) |
318 | struct drm_mode_object *obj) |
319 | { |
319 | { |
320 | mutex_lock(&dev->mode_config.idr_mutex); |
320 | mutex_lock(&dev->mode_config.idr_mutex); |
321 | idr_replace(&dev->mode_config.crtc_idr, obj, obj->id); |
321 | idr_replace(&dev->mode_config.crtc_idr, obj, obj->id); |
322 | mutex_unlock(&dev->mode_config.idr_mutex); |
322 | mutex_unlock(&dev->mode_config.idr_mutex); |
323 | } |
323 | } |
324 | 324 | ||
325 | /** |
325 | /** |
326 | * drm_mode_object_put - free a modeset identifer |
326 | * drm_mode_object_put - free a modeset identifer |
327 | * @dev: DRM device |
327 | * @dev: DRM device |
328 | * @object: object to free |
328 | * @object: object to free |
329 | * |
329 | * |
330 | * Free @id from @dev's unique identifier pool. Note that despite the _get |
330 | * Free @id from @dev's unique identifier pool. Note that despite the _get |
331 | * postfix modeset identifiers are _not_ reference counted. Hence don't use this |
331 | * postfix modeset identifiers are _not_ reference counted. Hence don't use this |
332 | * for reference counted modeset objects like framebuffers. |
332 | * for reference counted modeset objects like framebuffers. |
333 | */ |
333 | */ |
334 | void drm_mode_object_put(struct drm_device *dev, |
334 | void drm_mode_object_put(struct drm_device *dev, |
335 | struct drm_mode_object *object) |
335 | struct drm_mode_object *object) |
336 | { |
336 | { |
337 | mutex_lock(&dev->mode_config.idr_mutex); |
337 | mutex_lock(&dev->mode_config.idr_mutex); |
338 | idr_remove(&dev->mode_config.crtc_idr, object->id); |
338 | idr_remove(&dev->mode_config.crtc_idr, object->id); |
339 | mutex_unlock(&dev->mode_config.idr_mutex); |
339 | mutex_unlock(&dev->mode_config.idr_mutex); |
340 | } |
340 | } |
341 | 341 | ||
342 | static struct drm_mode_object *_object_find(struct drm_device *dev, |
342 | static struct drm_mode_object *_object_find(struct drm_device *dev, |
343 | uint32_t id, uint32_t type) |
343 | uint32_t id, uint32_t type) |
344 | { |
344 | { |
345 | struct drm_mode_object *obj = NULL; |
345 | struct drm_mode_object *obj = NULL; |
346 | 346 | ||
347 | mutex_lock(&dev->mode_config.idr_mutex); |
347 | mutex_lock(&dev->mode_config.idr_mutex); |
348 | obj = idr_find(&dev->mode_config.crtc_idr, id); |
348 | obj = idr_find(&dev->mode_config.crtc_idr, id); |
349 | if (obj && type != DRM_MODE_OBJECT_ANY && obj->type != type) |
349 | if (obj && type != DRM_MODE_OBJECT_ANY && obj->type != type) |
350 | obj = NULL; |
350 | obj = NULL; |
351 | if (obj && obj->id != id) |
351 | if (obj && obj->id != id) |
352 | obj = NULL; |
352 | obj = NULL; |
353 | /* don't leak out unref'd fb's */ |
353 | /* don't leak out unref'd fb's */ |
354 | if (obj && |
354 | if (obj && |
355 | (obj->type == DRM_MODE_OBJECT_FB || |
355 | (obj->type == DRM_MODE_OBJECT_FB || |
356 | obj->type == DRM_MODE_OBJECT_BLOB)) |
356 | obj->type == DRM_MODE_OBJECT_BLOB)) |
357 | obj = NULL; |
357 | obj = NULL; |
358 | mutex_unlock(&dev->mode_config.idr_mutex); |
358 | mutex_unlock(&dev->mode_config.idr_mutex); |
359 | 359 | ||
360 | return obj; |
360 | return obj; |
361 | } |
361 | } |
362 | 362 | ||
363 | /** |
363 | /** |
364 | * drm_mode_object_find - look up a drm object with static lifetime |
364 | * drm_mode_object_find - look up a drm object with static lifetime |
365 | * @dev: drm device |
365 | * @dev: drm device |
366 | * @id: id of the mode object |
366 | * @id: id of the mode object |
367 | * @type: type of the mode object |
367 | * @type: type of the mode object |
368 | * |
368 | * |
369 | * Note that framebuffers cannot be looked up with this functions - since those |
369 | * Note that framebuffers cannot be looked up with this functions - since those |
370 | * are reference counted, they need special treatment. Even with |
370 | * are reference counted, they need special treatment. Even with |
371 | * DRM_MODE_OBJECT_ANY (although that will simply return NULL |
371 | * DRM_MODE_OBJECT_ANY (although that will simply return NULL |
372 | * rather than WARN_ON()). |
372 | * rather than WARN_ON()). |
373 | */ |
373 | */ |
374 | struct drm_mode_object *drm_mode_object_find(struct drm_device *dev, |
374 | struct drm_mode_object *drm_mode_object_find(struct drm_device *dev, |
375 | uint32_t id, uint32_t type) |
375 | uint32_t id, uint32_t type) |
376 | { |
376 | { |
377 | struct drm_mode_object *obj = NULL; |
377 | struct drm_mode_object *obj = NULL; |
378 | 378 | ||
379 | /* Framebuffers are reference counted and need their own lookup |
379 | /* Framebuffers are reference counted and need their own lookup |
380 | * function.*/ |
380 | * function.*/ |
381 | WARN_ON(type == DRM_MODE_OBJECT_FB || type == DRM_MODE_OBJECT_BLOB); |
381 | WARN_ON(type == DRM_MODE_OBJECT_FB || type == DRM_MODE_OBJECT_BLOB); |
382 | obj = _object_find(dev, id, type); |
382 | obj = _object_find(dev, id, type); |
383 | return obj; |
383 | return obj; |
384 | } |
384 | } |
385 | EXPORT_SYMBOL(drm_mode_object_find); |
385 | EXPORT_SYMBOL(drm_mode_object_find); |
386 | 386 | ||
387 | /** |
387 | /** |
388 | * drm_framebuffer_init - initialize a framebuffer |
388 | * drm_framebuffer_init - initialize a framebuffer |
389 | * @dev: DRM device |
389 | * @dev: DRM device |
390 | * @fb: framebuffer to be initialized |
390 | * @fb: framebuffer to be initialized |
391 | * @funcs: ... with these functions |
391 | * @funcs: ... with these functions |
392 | * |
392 | * |
393 | * Allocates an ID for the framebuffer's parent mode object, sets its mode |
393 | * Allocates an ID for the framebuffer's parent mode object, sets its mode |
394 | * functions & device file and adds it to the master fd list. |
394 | * functions & device file and adds it to the master fd list. |
395 | * |
395 | * |
396 | * IMPORTANT: |
396 | * IMPORTANT: |
397 | * This functions publishes the fb and makes it available for concurrent access |
397 | * This functions publishes the fb and makes it available for concurrent access |
398 | * by other users. Which means by this point the fb _must_ be fully set up - |
398 | * by other users. Which means by this point the fb _must_ be fully set up - |
399 | * since all the fb attributes are invariant over its lifetime, no further |
399 | * since all the fb attributes are invariant over its lifetime, no further |
400 | * locking but only correct reference counting is required. |
400 | * locking but only correct reference counting is required. |
401 | * |
401 | * |
402 | * Returns: |
402 | * Returns: |
403 | * Zero on success, error code on failure. |
403 | * Zero on success, error code on failure. |
404 | */ |
404 | */ |
405 | int drm_framebuffer_init(struct drm_device *dev, struct drm_framebuffer *fb, |
405 | int drm_framebuffer_init(struct drm_device *dev, struct drm_framebuffer *fb, |
406 | const struct drm_framebuffer_funcs *funcs) |
406 | const struct drm_framebuffer_funcs *funcs) |
407 | { |
407 | { |
408 | int ret; |
408 | int ret; |
409 | 409 | ||
410 | mutex_lock(&dev->mode_config.fb_lock); |
410 | mutex_lock(&dev->mode_config.fb_lock); |
411 | kref_init(&fb->refcount); |
411 | kref_init(&fb->refcount); |
412 | INIT_LIST_HEAD(&fb->filp_head); |
412 | INIT_LIST_HEAD(&fb->filp_head); |
413 | fb->dev = dev; |
413 | fb->dev = dev; |
414 | fb->funcs = funcs; |
414 | fb->funcs = funcs; |
415 | 415 | ||
416 | ret = drm_mode_object_get(dev, &fb->base, DRM_MODE_OBJECT_FB); |
416 | ret = drm_mode_object_get(dev, &fb->base, DRM_MODE_OBJECT_FB); |
417 | if (ret) |
417 | if (ret) |
418 | goto out; |
418 | goto out; |
419 | 419 | ||
420 | dev->mode_config.num_fb++; |
420 | dev->mode_config.num_fb++; |
421 | list_add(&fb->head, &dev->mode_config.fb_list); |
421 | list_add(&fb->head, &dev->mode_config.fb_list); |
422 | out: |
422 | out: |
423 | mutex_unlock(&dev->mode_config.fb_lock); |
423 | mutex_unlock(&dev->mode_config.fb_lock); |
424 | 424 | ||
425 | return ret; |
425 | return ret; |
426 | } |
426 | } |
427 | EXPORT_SYMBOL(drm_framebuffer_init); |
427 | EXPORT_SYMBOL(drm_framebuffer_init); |
428 | 428 | ||
429 | /* dev->mode_config.fb_lock must be held! */ |
429 | /* dev->mode_config.fb_lock must be held! */ |
430 | static void __drm_framebuffer_unregister(struct drm_device *dev, |
430 | static void __drm_framebuffer_unregister(struct drm_device *dev, |
431 | struct drm_framebuffer *fb) |
431 | struct drm_framebuffer *fb) |
432 | { |
432 | { |
433 | mutex_lock(&dev->mode_config.idr_mutex); |
- | |
434 | idr_remove(&dev->mode_config.crtc_idr, fb->base.id); |
433 | drm_mode_object_put(dev, &fb->base); |
435 | mutex_unlock(&dev->mode_config.idr_mutex); |
- | |
436 | 434 | ||
437 | fb->base.id = 0; |
435 | fb->base.id = 0; |
438 | } |
436 | } |
439 | 437 | ||
440 | static void drm_framebuffer_free(struct kref *kref) |
438 | static void drm_framebuffer_free(struct kref *kref) |
441 | { |
439 | { |
442 | struct drm_framebuffer *fb = |
440 | struct drm_framebuffer *fb = |
443 | container_of(kref, struct drm_framebuffer, refcount); |
441 | container_of(kref, struct drm_framebuffer, refcount); |
444 | struct drm_device *dev = fb->dev; |
442 | struct drm_device *dev = fb->dev; |
445 | 443 | ||
446 | /* |
444 | /* |
447 | * The lookup idr holds a weak reference, which has not necessarily been |
445 | * The lookup idr holds a weak reference, which has not necessarily been |
448 | * removed at this point. Check for that. |
446 | * removed at this point. Check for that. |
449 | */ |
447 | */ |
450 | mutex_lock(&dev->mode_config.fb_lock); |
448 | mutex_lock(&dev->mode_config.fb_lock); |
451 | if (fb->base.id) { |
449 | if (fb->base.id) { |
452 | /* Mark fb as reaped and drop idr ref. */ |
450 | /* Mark fb as reaped and drop idr ref. */ |
453 | __drm_framebuffer_unregister(dev, fb); |
451 | __drm_framebuffer_unregister(dev, fb); |
454 | } |
452 | } |
455 | mutex_unlock(&dev->mode_config.fb_lock); |
453 | mutex_unlock(&dev->mode_config.fb_lock); |
456 | 454 | ||
457 | fb->funcs->destroy(fb); |
455 | fb->funcs->destroy(fb); |
458 | } |
456 | } |
459 | 457 | ||
460 | static struct drm_framebuffer *__drm_framebuffer_lookup(struct drm_device *dev, |
458 | static struct drm_framebuffer *__drm_framebuffer_lookup(struct drm_device *dev, |
461 | uint32_t id) |
459 | uint32_t id) |
462 | { |
460 | { |
463 | struct drm_mode_object *obj = NULL; |
461 | struct drm_mode_object *obj = NULL; |
464 | struct drm_framebuffer *fb; |
462 | struct drm_framebuffer *fb; |
465 | 463 | ||
466 | mutex_lock(&dev->mode_config.idr_mutex); |
464 | mutex_lock(&dev->mode_config.idr_mutex); |
467 | obj = idr_find(&dev->mode_config.crtc_idr, id); |
465 | obj = idr_find(&dev->mode_config.crtc_idr, id); |
468 | if (!obj || (obj->type != DRM_MODE_OBJECT_FB) || (obj->id != id)) |
466 | if (!obj || (obj->type != DRM_MODE_OBJECT_FB) || (obj->id != id)) |
469 | fb = NULL; |
467 | fb = NULL; |
470 | else |
468 | else |
471 | fb = obj_to_fb(obj); |
469 | fb = obj_to_fb(obj); |
472 | mutex_unlock(&dev->mode_config.idr_mutex); |
470 | mutex_unlock(&dev->mode_config.idr_mutex); |
473 | 471 | ||
474 | return fb; |
472 | return fb; |
475 | } |
473 | } |
476 | 474 | ||
477 | /** |
475 | /** |
478 | * drm_framebuffer_lookup - look up a drm framebuffer and grab a reference |
476 | * drm_framebuffer_lookup - look up a drm framebuffer and grab a reference |
479 | * @dev: drm device |
477 | * @dev: drm device |
480 | * @id: id of the fb object |
478 | * @id: id of the fb object |
481 | * |
479 | * |
482 | * If successful, this grabs an additional reference to the framebuffer - |
480 | * If successful, this grabs an additional reference to the framebuffer - |
483 | * callers need to make sure to eventually unreference the returned framebuffer |
481 | * callers need to make sure to eventually unreference the returned framebuffer |
484 | * again, using @drm_framebuffer_unreference. |
482 | * again, using @drm_framebuffer_unreference. |
485 | */ |
483 | */ |
486 | struct drm_framebuffer *drm_framebuffer_lookup(struct drm_device *dev, |
484 | struct drm_framebuffer *drm_framebuffer_lookup(struct drm_device *dev, |
487 | uint32_t id) |
485 | uint32_t id) |
488 | { |
486 | { |
489 | struct drm_framebuffer *fb; |
487 | struct drm_framebuffer *fb; |
490 | 488 | ||
491 | mutex_lock(&dev->mode_config.fb_lock); |
489 | mutex_lock(&dev->mode_config.fb_lock); |
492 | fb = __drm_framebuffer_lookup(dev, id); |
490 | fb = __drm_framebuffer_lookup(dev, id); |
493 | if (fb) { |
491 | if (fb) { |
494 | if (!kref_get_unless_zero(&fb->refcount)) |
492 | if (!kref_get_unless_zero(&fb->refcount)) |
495 | fb = NULL; |
493 | fb = NULL; |
496 | } |
494 | } |
497 | mutex_unlock(&dev->mode_config.fb_lock); |
495 | mutex_unlock(&dev->mode_config.fb_lock); |
498 | 496 | ||
499 | return fb; |
497 | return fb; |
500 | } |
498 | } |
501 | EXPORT_SYMBOL(drm_framebuffer_lookup); |
499 | EXPORT_SYMBOL(drm_framebuffer_lookup); |
502 | 500 | ||
503 | /** |
501 | /** |
504 | * drm_framebuffer_unreference - unref a framebuffer |
502 | * drm_framebuffer_unreference - unref a framebuffer |
505 | * @fb: framebuffer to unref |
503 | * @fb: framebuffer to unref |
506 | * |
504 | * |
507 | * This functions decrements the fb's refcount and frees it if it drops to zero. |
505 | * This functions decrements the fb's refcount and frees it if it drops to zero. |
508 | */ |
506 | */ |
509 | void drm_framebuffer_unreference(struct drm_framebuffer *fb) |
507 | void drm_framebuffer_unreference(struct drm_framebuffer *fb) |
510 | { |
508 | { |
511 | DRM_DEBUG("%p: FB ID: %d (%d)\n", fb, fb->base.id, atomic_read(&fb->refcount.refcount)); |
509 | DRM_DEBUG("%p: FB ID: %d (%d)\n", fb, fb->base.id, atomic_read(&fb->refcount.refcount)); |
512 | kref_put(&fb->refcount, drm_framebuffer_free); |
510 | kref_put(&fb->refcount, drm_framebuffer_free); |
513 | } |
511 | } |
514 | EXPORT_SYMBOL(drm_framebuffer_unreference); |
512 | EXPORT_SYMBOL(drm_framebuffer_unreference); |
515 | 513 | ||
516 | /** |
514 | /** |
517 | * drm_framebuffer_reference - incr the fb refcnt |
515 | * drm_framebuffer_reference - incr the fb refcnt |
518 | * @fb: framebuffer |
516 | * @fb: framebuffer |
519 | * |
517 | * |
520 | * This functions increments the fb's refcount. |
518 | * This functions increments the fb's refcount. |
521 | */ |
519 | */ |
522 | void drm_framebuffer_reference(struct drm_framebuffer *fb) |
520 | void drm_framebuffer_reference(struct drm_framebuffer *fb) |
523 | { |
521 | { |
524 | DRM_DEBUG("%p: FB ID: %d (%d)\n", fb, fb->base.id, atomic_read(&fb->refcount.refcount)); |
522 | DRM_DEBUG("%p: FB ID: %d (%d)\n", fb, fb->base.id, atomic_read(&fb->refcount.refcount)); |
525 | kref_get(&fb->refcount); |
523 | kref_get(&fb->refcount); |
526 | } |
524 | } |
527 | EXPORT_SYMBOL(drm_framebuffer_reference); |
525 | EXPORT_SYMBOL(drm_framebuffer_reference); |
528 | 526 | ||
529 | /** |
527 | /** |
530 | * drm_framebuffer_unregister_private - unregister a private fb from the lookup idr |
528 | * drm_framebuffer_unregister_private - unregister a private fb from the lookup idr |
531 | * @fb: fb to unregister |
529 | * @fb: fb to unregister |
532 | * |
530 | * |
533 | * Drivers need to call this when cleaning up driver-private framebuffers, e.g. |
531 | * Drivers need to call this when cleaning up driver-private framebuffers, e.g. |
534 | * those used for fbdev. Note that the caller must hold a reference of it's own, |
532 | * those used for fbdev. Note that the caller must hold a reference of it's own, |
535 | * i.e. the object may not be destroyed through this call (since it'll lead to a |
533 | * i.e. the object may not be destroyed through this call (since it'll lead to a |
536 | * locking inversion). |
534 | * locking inversion). |
537 | */ |
535 | */ |
538 | void drm_framebuffer_unregister_private(struct drm_framebuffer *fb) |
536 | void drm_framebuffer_unregister_private(struct drm_framebuffer *fb) |
539 | { |
537 | { |
540 | struct drm_device *dev; |
538 | struct drm_device *dev; |
541 | 539 | ||
542 | if (!fb) |
540 | if (!fb) |
543 | return; |
541 | return; |
544 | 542 | ||
545 | dev = fb->dev; |
543 | dev = fb->dev; |
546 | 544 | ||
547 | mutex_lock(&dev->mode_config.fb_lock); |
545 | mutex_lock(&dev->mode_config.fb_lock); |
548 | /* Mark fb as reaped and drop idr ref. */ |
546 | /* Mark fb as reaped and drop idr ref. */ |
549 | __drm_framebuffer_unregister(dev, fb); |
547 | __drm_framebuffer_unregister(dev, fb); |
550 | mutex_unlock(&dev->mode_config.fb_lock); |
548 | mutex_unlock(&dev->mode_config.fb_lock); |
551 | } |
549 | } |
552 | EXPORT_SYMBOL(drm_framebuffer_unregister_private); |
550 | EXPORT_SYMBOL(drm_framebuffer_unregister_private); |
553 | 551 | ||
554 | /** |
552 | /** |
555 | * drm_framebuffer_cleanup - remove a framebuffer object |
553 | * drm_framebuffer_cleanup - remove a framebuffer object |
556 | * @fb: framebuffer to remove |
554 | * @fb: framebuffer to remove |
557 | * |
555 | * |
558 | * Cleanup framebuffer. This function is intended to be used from the drivers |
556 | * Cleanup framebuffer. This function is intended to be used from the drivers |
559 | * ->destroy callback. It can also be used to clean up driver private |
557 | * ->destroy callback. It can also be used to clean up driver private |
560 | * framebuffers embedded into a larger structure. |
558 | * framebuffers embedded into a larger structure. |
561 | * |
559 | * |
562 | * Note that this function does not remove the fb from active usuage - if it is |
560 | * Note that this function does not remove the fb from active usuage - if it is |
563 | * still used anywhere, hilarity can ensue since userspace could call getfb on |
561 | * still used anywhere, hilarity can ensue since userspace could call getfb on |
564 | * the id and get back -EINVAL. Obviously no concern at driver unload time. |
562 | * the id and get back -EINVAL. Obviously no concern at driver unload time. |
565 | * |
563 | * |
566 | * Also, the framebuffer will not be removed from the lookup idr - for |
564 | * Also, the framebuffer will not be removed from the lookup idr - for |
567 | * user-created framebuffers this will happen in in the rmfb ioctl. For |
565 | * user-created framebuffers this will happen in in the rmfb ioctl. For |
568 | * driver-private objects (e.g. for fbdev) drivers need to explicitly call |
566 | * driver-private objects (e.g. for fbdev) drivers need to explicitly call |
569 | * drm_framebuffer_unregister_private. |
567 | * drm_framebuffer_unregister_private. |
570 | */ |
568 | */ |
571 | void drm_framebuffer_cleanup(struct drm_framebuffer *fb) |
569 | void drm_framebuffer_cleanup(struct drm_framebuffer *fb) |
572 | { |
570 | { |
573 | struct drm_device *dev = fb->dev; |
571 | struct drm_device *dev = fb->dev; |
574 | 572 | ||
575 | mutex_lock(&dev->mode_config.fb_lock); |
573 | mutex_lock(&dev->mode_config.fb_lock); |
576 | list_del(&fb->head); |
574 | list_del(&fb->head); |
577 | dev->mode_config.num_fb--; |
575 | dev->mode_config.num_fb--; |
578 | mutex_unlock(&dev->mode_config.fb_lock); |
576 | mutex_unlock(&dev->mode_config.fb_lock); |
579 | } |
577 | } |
580 | EXPORT_SYMBOL(drm_framebuffer_cleanup); |
578 | EXPORT_SYMBOL(drm_framebuffer_cleanup); |
581 | 579 | ||
582 | /** |
580 | /** |
583 | * drm_framebuffer_remove - remove and unreference a framebuffer object |
581 | * drm_framebuffer_remove - remove and unreference a framebuffer object |
584 | * @fb: framebuffer to remove |
582 | * @fb: framebuffer to remove |
585 | * |
583 | * |
586 | * Scans all the CRTCs and planes in @dev's mode_config. If they're |
584 | * Scans all the CRTCs and planes in @dev's mode_config. If they're |
587 | * using @fb, removes it, setting it to NULL. Then drops the reference to the |
585 | * using @fb, removes it, setting it to NULL. Then drops the reference to the |
588 | * passed-in framebuffer. Might take the modeset locks. |
586 | * passed-in framebuffer. Might take the modeset locks. |
589 | * |
587 | * |
590 | * Note that this function optimizes the cleanup away if the caller holds the |
588 | * Note that this function optimizes the cleanup away if the caller holds the |
591 | * last reference to the framebuffer. It is also guaranteed to not take the |
589 | * last reference to the framebuffer. It is also guaranteed to not take the |
592 | * modeset locks in this case. |
590 | * modeset locks in this case. |
593 | */ |
591 | */ |
594 | void drm_framebuffer_remove(struct drm_framebuffer *fb) |
592 | void drm_framebuffer_remove(struct drm_framebuffer *fb) |
595 | { |
593 | { |
596 | struct drm_device *dev; |
594 | struct drm_device *dev; |
597 | struct drm_crtc *crtc; |
595 | struct drm_crtc *crtc; |
598 | struct drm_plane *plane; |
596 | struct drm_plane *plane; |
599 | struct drm_mode_set set; |
597 | struct drm_mode_set set; |
600 | int ret; |
598 | int ret; |
601 | 599 | ||
602 | if (!fb) |
600 | if (!fb) |
603 | return; |
601 | return; |
604 | 602 | ||
605 | dev = fb->dev; |
603 | dev = fb->dev; |
606 | 604 | ||
607 | WARN_ON(!list_empty(&fb->filp_head)); |
605 | WARN_ON(!list_empty(&fb->filp_head)); |
608 | 606 | ||
609 | /* |
607 | /* |
610 | * drm ABI mandates that we remove any deleted framebuffers from active |
608 | * drm ABI mandates that we remove any deleted framebuffers from active |
611 | * useage. But since most sane clients only remove framebuffers they no |
609 | * useage. But since most sane clients only remove framebuffers they no |
612 | * longer need, try to optimize this away. |
610 | * longer need, try to optimize this away. |
613 | * |
611 | * |
614 | * Since we're holding a reference ourselves, observing a refcount of 1 |
612 | * Since we're holding a reference ourselves, observing a refcount of 1 |
615 | * means that we're the last holder and can skip it. Also, the refcount |
613 | * means that we're the last holder and can skip it. Also, the refcount |
616 | * can never increase from 1 again, so we don't need any barriers or |
614 | * can never increase from 1 again, so we don't need any barriers or |
617 | * locks. |
615 | * locks. |
618 | * |
616 | * |
619 | * Note that userspace could try to race with use and instate a new |
617 | * Note that userspace could try to race with use and instate a new |
620 | * usage _after_ we've cleared all current ones. End result will be an |
618 | * usage _after_ we've cleared all current ones. End result will be an |
621 | * in-use fb with fb-id == 0. Userspace is allowed to shoot its own foot |
619 | * in-use fb with fb-id == 0. Userspace is allowed to shoot its own foot |
622 | * in this manner. |
620 | * in this manner. |
623 | */ |
621 | */ |
624 | if (atomic_read(&fb->refcount.refcount) > 1) { |
622 | if (atomic_read(&fb->refcount.refcount) > 1) { |
625 | drm_modeset_lock_all(dev); |
623 | drm_modeset_lock_all(dev); |
626 | /* remove from any CRTC */ |
624 | /* remove from any CRTC */ |
627 | drm_for_each_crtc(crtc, dev) { |
625 | drm_for_each_crtc(crtc, dev) { |
628 | if (crtc->primary->fb == fb) { |
626 | if (crtc->primary->fb == fb) { |
629 | /* should turn off the crtc */ |
627 | /* should turn off the crtc */ |
630 | memset(&set, 0, sizeof(struct drm_mode_set)); |
628 | memset(&set, 0, sizeof(struct drm_mode_set)); |
631 | set.crtc = crtc; |
629 | set.crtc = crtc; |
632 | set.fb = NULL; |
630 | set.fb = NULL; |
633 | ret = drm_mode_set_config_internal(&set); |
631 | ret = drm_mode_set_config_internal(&set); |
634 | if (ret) |
632 | if (ret) |
635 | DRM_ERROR("failed to reset crtc %p when fb was deleted\n", crtc); |
633 | DRM_ERROR("failed to reset crtc %p when fb was deleted\n", crtc); |
636 | } |
634 | } |
637 | } |
635 | } |
638 | 636 | ||
639 | drm_for_each_plane(plane, dev) { |
637 | drm_for_each_plane(plane, dev) { |
640 | if (plane->fb == fb) |
638 | if (plane->fb == fb) |
641 | drm_plane_force_disable(plane); |
639 | drm_plane_force_disable(plane); |
642 | } |
640 | } |
643 | drm_modeset_unlock_all(dev); |
641 | drm_modeset_unlock_all(dev); |
644 | } |
642 | } |
645 | 643 | ||
646 | drm_framebuffer_unreference(fb); |
644 | drm_framebuffer_unreference(fb); |
647 | } |
645 | } |
648 | EXPORT_SYMBOL(drm_framebuffer_remove); |
646 | EXPORT_SYMBOL(drm_framebuffer_remove); |
649 | 647 | ||
650 | DEFINE_WW_CLASS(crtc_ww_class); |
648 | DEFINE_WW_CLASS(crtc_ww_class); |
651 | 649 | ||
652 | static unsigned int drm_num_crtcs(struct drm_device *dev) |
650 | static unsigned int drm_num_crtcs(struct drm_device *dev) |
653 | { |
651 | { |
654 | unsigned int num = 0; |
652 | unsigned int num = 0; |
655 | struct drm_crtc *tmp; |
653 | struct drm_crtc *tmp; |
656 | 654 | ||
657 | drm_for_each_crtc(tmp, dev) { |
655 | drm_for_each_crtc(tmp, dev) { |
658 | num++; |
656 | num++; |
659 | } |
657 | } |
660 | 658 | ||
661 | return num; |
659 | return num; |
662 | } |
660 | } |
663 | 661 | ||
664 | /** |
662 | /** |
665 | * drm_crtc_init_with_planes - Initialise a new CRTC object with |
663 | * drm_crtc_init_with_planes - Initialise a new CRTC object with |
666 | * specified primary and cursor planes. |
664 | * specified primary and cursor planes. |
667 | * @dev: DRM device |
665 | * @dev: DRM device |
668 | * @crtc: CRTC object to init |
666 | * @crtc: CRTC object to init |
669 | * @primary: Primary plane for CRTC |
667 | * @primary: Primary plane for CRTC |
670 | * @cursor: Cursor plane for CRTC |
668 | * @cursor: Cursor plane for CRTC |
671 | * @funcs: callbacks for the new CRTC |
669 | * @funcs: callbacks for the new CRTC |
672 | * @name: printf style format string for the CRTC name, or NULL for default name |
670 | * @name: printf style format string for the CRTC name, or NULL for default name |
673 | * |
671 | * |
674 | * Inits a new object created as base part of a driver crtc object. |
672 | * Inits a new object created as base part of a driver crtc object. |
675 | * |
673 | * |
676 | * Returns: |
674 | * Returns: |
677 | * Zero on success, error code on failure. |
675 | * Zero on success, error code on failure. |
678 | */ |
676 | */ |
679 | int drm_crtc_init_with_planes(struct drm_device *dev, struct drm_crtc *crtc, |
677 | int drm_crtc_init_with_planes(struct drm_device *dev, struct drm_crtc *crtc, |
680 | struct drm_plane *primary, |
678 | struct drm_plane *primary, |
681 | struct drm_plane *cursor, |
679 | struct drm_plane *cursor, |
682 | const struct drm_crtc_funcs *funcs, |
680 | const struct drm_crtc_funcs *funcs, |
683 | const char *name, ...) |
681 | const char *name, ...) |
684 | { |
682 | { |
685 | struct drm_mode_config *config = &dev->mode_config; |
683 | struct drm_mode_config *config = &dev->mode_config; |
686 | int ret; |
684 | int ret; |
687 | 685 | ||
688 | WARN_ON(primary && primary->type != DRM_PLANE_TYPE_PRIMARY); |
686 | WARN_ON(primary && primary->type != DRM_PLANE_TYPE_PRIMARY); |
689 | WARN_ON(cursor && cursor->type != DRM_PLANE_TYPE_CURSOR); |
687 | WARN_ON(cursor && cursor->type != DRM_PLANE_TYPE_CURSOR); |
690 | 688 | ||
691 | crtc->dev = dev; |
689 | crtc->dev = dev; |
692 | crtc->funcs = funcs; |
690 | crtc->funcs = funcs; |
693 | 691 | ||
694 | drm_modeset_lock_init(&crtc->mutex); |
692 | drm_modeset_lock_init(&crtc->mutex); |
695 | ret = drm_mode_object_get(dev, &crtc->base, DRM_MODE_OBJECT_CRTC); |
693 | ret = drm_mode_object_get(dev, &crtc->base, DRM_MODE_OBJECT_CRTC); |
696 | if (ret) |
694 | if (ret) |
697 | return ret; |
695 | return ret; |
698 | 696 | ||
699 | if (name) { |
697 | if (name) { |
700 | va_list ap; |
698 | va_list ap; |
701 | 699 | ||
702 | va_start(ap, name); |
700 | va_start(ap, name); |
703 | crtc->name = kvasprintf(GFP_KERNEL, name, ap); |
701 | crtc->name = kvasprintf(GFP_KERNEL, name, ap); |
704 | va_end(ap); |
702 | va_end(ap); |
705 | } else { |
703 | } else { |
706 | crtc->name = kasprintf(GFP_KERNEL, "crtc-%d", |
704 | crtc->name = kasprintf(GFP_KERNEL, "crtc-%d", |
707 | drm_num_crtcs(dev)); |
705 | drm_num_crtcs(dev)); |
708 | } |
706 | } |
709 | if (!crtc->name) { |
707 | if (!crtc->name) { |
710 | drm_mode_object_put(dev, &crtc->base); |
708 | drm_mode_object_put(dev, &crtc->base); |
711 | return -ENOMEM; |
709 | return -ENOMEM; |
712 | } |
710 | } |
713 | 711 | ||
714 | crtc->base.properties = &crtc->properties; |
712 | crtc->base.properties = &crtc->properties; |
715 | 713 | ||
716 | list_add_tail(&crtc->head, &config->crtc_list); |
714 | list_add_tail(&crtc->head, &config->crtc_list); |
717 | config->num_crtc++; |
715 | config->num_crtc++; |
718 | 716 | ||
719 | crtc->primary = primary; |
717 | crtc->primary = primary; |
720 | crtc->cursor = cursor; |
718 | crtc->cursor = cursor; |
721 | if (primary) |
719 | if (primary) |
722 | primary->possible_crtcs = 1 << drm_crtc_index(crtc); |
720 | primary->possible_crtcs = 1 << drm_crtc_index(crtc); |
723 | if (cursor) |
721 | if (cursor) |
724 | cursor->possible_crtcs = 1 << drm_crtc_index(crtc); |
722 | cursor->possible_crtcs = 1 << drm_crtc_index(crtc); |
725 | 723 | ||
726 | if (drm_core_check_feature(dev, DRIVER_ATOMIC)) { |
724 | if (drm_core_check_feature(dev, DRIVER_ATOMIC)) { |
727 | drm_object_attach_property(&crtc->base, config->prop_active, 0); |
725 | drm_object_attach_property(&crtc->base, config->prop_active, 0); |
728 | drm_object_attach_property(&crtc->base, config->prop_mode_id, 0); |
726 | drm_object_attach_property(&crtc->base, config->prop_mode_id, 0); |
729 | } |
727 | } |
730 | 728 | ||
731 | return 0; |
729 | return 0; |
732 | } |
730 | } |
733 | EXPORT_SYMBOL(drm_crtc_init_with_planes); |
731 | EXPORT_SYMBOL(drm_crtc_init_with_planes); |
734 | 732 | ||
735 | /** |
733 | /** |
736 | * drm_crtc_cleanup - Clean up the core crtc usage |
734 | * drm_crtc_cleanup - Clean up the core crtc usage |
737 | * @crtc: CRTC to cleanup |
735 | * @crtc: CRTC to cleanup |
738 | * |
736 | * |
739 | * This function cleans up @crtc and removes it from the DRM mode setting |
737 | * This function cleans up @crtc and removes it from the DRM mode setting |
740 | * core. Note that the function does *not* free the crtc structure itself, |
738 | * core. Note that the function does *not* free the crtc structure itself, |
741 | * this is the responsibility of the caller. |
739 | * this is the responsibility of the caller. |
742 | */ |
740 | */ |
743 | void drm_crtc_cleanup(struct drm_crtc *crtc) |
741 | void drm_crtc_cleanup(struct drm_crtc *crtc) |
744 | { |
742 | { |
745 | struct drm_device *dev = crtc->dev; |
743 | struct drm_device *dev = crtc->dev; |
746 | 744 | ||
747 | kfree(crtc->gamma_store); |
745 | kfree(crtc->gamma_store); |
748 | crtc->gamma_store = NULL; |
746 | crtc->gamma_store = NULL; |
749 | 747 | ||
750 | drm_modeset_lock_fini(&crtc->mutex); |
748 | drm_modeset_lock_fini(&crtc->mutex); |
751 | 749 | ||
752 | drm_mode_object_put(dev, &crtc->base); |
750 | drm_mode_object_put(dev, &crtc->base); |
753 | list_del(&crtc->head); |
751 | list_del(&crtc->head); |
754 | dev->mode_config.num_crtc--; |
752 | dev->mode_config.num_crtc--; |
755 | 753 | ||
756 | WARN_ON(crtc->state && !crtc->funcs->atomic_destroy_state); |
754 | WARN_ON(crtc->state && !crtc->funcs->atomic_destroy_state); |
757 | if (crtc->state && crtc->funcs->atomic_destroy_state) |
755 | if (crtc->state && crtc->funcs->atomic_destroy_state) |
758 | crtc->funcs->atomic_destroy_state(crtc, crtc->state); |
756 | crtc->funcs->atomic_destroy_state(crtc, crtc->state); |
759 | 757 | ||
760 | kfree(crtc->name); |
758 | kfree(crtc->name); |
761 | 759 | ||
762 | memset(crtc, 0, sizeof(*crtc)); |
760 | memset(crtc, 0, sizeof(*crtc)); |
763 | } |
761 | } |
764 | EXPORT_SYMBOL(drm_crtc_cleanup); |
762 | EXPORT_SYMBOL(drm_crtc_cleanup); |
765 | 763 | ||
766 | /** |
764 | /** |
767 | * drm_crtc_index - find the index of a registered CRTC |
765 | * drm_crtc_index - find the index of a registered CRTC |
768 | * @crtc: CRTC to find index for |
766 | * @crtc: CRTC to find index for |
769 | * |
767 | * |
770 | * Given a registered CRTC, return the index of that CRTC within a DRM |
768 | * Given a registered CRTC, return the index of that CRTC within a DRM |
771 | * device's list of CRTCs. |
769 | * device's list of CRTCs. |
772 | */ |
770 | */ |
773 | unsigned int drm_crtc_index(struct drm_crtc *crtc) |
771 | unsigned int drm_crtc_index(struct drm_crtc *crtc) |
774 | { |
772 | { |
775 | unsigned int index = 0; |
773 | unsigned int index = 0; |
776 | struct drm_crtc *tmp; |
774 | struct drm_crtc *tmp; |
777 | 775 | ||
778 | drm_for_each_crtc(tmp, crtc->dev) { |
776 | drm_for_each_crtc(tmp, crtc->dev) { |
779 | if (tmp == crtc) |
777 | if (tmp == crtc) |
780 | return index; |
778 | return index; |
781 | 779 | ||
782 | index++; |
780 | index++; |
783 | } |
781 | } |
784 | 782 | ||
785 | BUG(); |
783 | BUG(); |
786 | } |
784 | } |
787 | EXPORT_SYMBOL(drm_crtc_index); |
785 | EXPORT_SYMBOL(drm_crtc_index); |
788 | 786 | ||
789 | /* |
787 | /* |
790 | * drm_mode_remove - remove and free a mode |
788 | * drm_mode_remove - remove and free a mode |
791 | * @connector: connector list to modify |
789 | * @connector: connector list to modify |
792 | * @mode: mode to remove |
790 | * @mode: mode to remove |
793 | * |
791 | * |
794 | * Remove @mode from @connector's mode list, then free it. |
792 | * Remove @mode from @connector's mode list, then free it. |
795 | */ |
793 | */ |
796 | static void drm_mode_remove(struct drm_connector *connector, |
794 | static void drm_mode_remove(struct drm_connector *connector, |
797 | struct drm_display_mode *mode) |
795 | struct drm_display_mode *mode) |
798 | { |
796 | { |
799 | list_del(&mode->head); |
797 | list_del(&mode->head); |
800 | drm_mode_destroy(connector->dev, mode); |
798 | drm_mode_destroy(connector->dev, mode); |
801 | } |
799 | } |
802 | 800 | ||
803 | /** |
801 | /** |
804 | * drm_display_info_set_bus_formats - set the supported bus formats |
802 | * drm_display_info_set_bus_formats - set the supported bus formats |
805 | * @info: display info to store bus formats in |
803 | * @info: display info to store bus formats in |
806 | * @formats: array containing the supported bus formats |
804 | * @formats: array containing the supported bus formats |
807 | * @num_formats: the number of entries in the fmts array |
805 | * @num_formats: the number of entries in the fmts array |
808 | * |
806 | * |
809 | * Store the supported bus formats in display info structure. |
807 | * Store the supported bus formats in display info structure. |
810 | * See MEDIA_BUS_FMT_* definitions in include/uapi/linux/media-bus-format.h for |
808 | * See MEDIA_BUS_FMT_* definitions in include/uapi/linux/media-bus-format.h for |
811 | * a full list of available formats. |
809 | * a full list of available formats. |
812 | */ |
810 | */ |
813 | int drm_display_info_set_bus_formats(struct drm_display_info *info, |
811 | int drm_display_info_set_bus_formats(struct drm_display_info *info, |
814 | const u32 *formats, |
812 | const u32 *formats, |
815 | unsigned int num_formats) |
813 | unsigned int num_formats) |
816 | { |
814 | { |
817 | u32 *fmts = NULL; |
815 | u32 *fmts = NULL; |
818 | 816 | ||
819 | if (!formats && num_formats) |
817 | if (!formats && num_formats) |
820 | return -EINVAL; |
818 | return -EINVAL; |
821 | 819 | ||
822 | if (formats && num_formats) { |
820 | if (formats && num_formats) { |
823 | fmts = kmemdup(formats, sizeof(*formats) * num_formats, |
821 | fmts = kmemdup(formats, sizeof(*formats) * num_formats, |
824 | GFP_KERNEL); |
822 | GFP_KERNEL); |
825 | if (!fmts) |
823 | if (!fmts) |
826 | return -ENOMEM; |
824 | return -ENOMEM; |
827 | } |
825 | } |
828 | 826 | ||
829 | kfree(info->bus_formats); |
827 | kfree(info->bus_formats); |
830 | info->bus_formats = fmts; |
828 | info->bus_formats = fmts; |
831 | info->num_bus_formats = num_formats; |
829 | info->num_bus_formats = num_formats; |
832 | 830 | ||
833 | return 0; |
831 | return 0; |
834 | } |
832 | } |
835 | EXPORT_SYMBOL(drm_display_info_set_bus_formats); |
833 | EXPORT_SYMBOL(drm_display_info_set_bus_formats); |
836 | 834 | ||
837 | /** |
835 | /** |
838 | * drm_connector_get_cmdline_mode - reads the user's cmdline mode |
836 | * drm_connector_get_cmdline_mode - reads the user's cmdline mode |
839 | * @connector: connector to quwery |
837 | * @connector: connector to quwery |
840 | * |
838 | * |
841 | * The kernel supports per-connector configration of its consoles through |
839 | * The kernel supports per-connector configration of its consoles through |
842 | * use of the video= parameter. This function parses that option and |
840 | * use of the video= parameter. This function parses that option and |
843 | * extracts the user's specified mode (or enable/disable status) for a |
841 | * extracts the user's specified mode (or enable/disable status) for a |
844 | * particular connector. This is typically only used during the early fbdev |
842 | * particular connector. This is typically only used during the early fbdev |
845 | * setup. |
843 | * setup. |
846 | */ |
844 | */ |
847 | static void drm_connector_get_cmdline_mode(struct drm_connector *connector) |
845 | static void drm_connector_get_cmdline_mode(struct drm_connector *connector) |
848 | { |
846 | { |
849 | struct drm_cmdline_mode *mode = &connector->cmdline_mode; |
847 | struct drm_cmdline_mode *mode = &connector->cmdline_mode; |
850 | char *option = NULL; |
848 | char *option = NULL; |
851 | 849 | ||
852 | if (fb_get_options(connector->name, &option)) |
850 | if (fb_get_options(connector->name, &option)) |
853 | return; |
851 | return; |
854 | 852 | ||
855 | if (!drm_mode_parse_command_line_for_connector(option, |
853 | if (!drm_mode_parse_command_line_for_connector(option, |
856 | connector, |
854 | connector, |
857 | mode)) |
855 | mode)) |
858 | return; |
856 | return; |
859 | 857 | ||
860 | if (mode->force) { |
858 | if (mode->force) { |
861 | const char *s; |
859 | const char *s; |
862 | 860 | ||
863 | switch (mode->force) { |
861 | switch (mode->force) { |
864 | case DRM_FORCE_OFF: |
862 | case DRM_FORCE_OFF: |
865 | s = "OFF"; |
863 | s = "OFF"; |
866 | break; |
864 | break; |
867 | case DRM_FORCE_ON_DIGITAL: |
865 | case DRM_FORCE_ON_DIGITAL: |
868 | s = "ON - dig"; |
866 | s = "ON - dig"; |
869 | break; |
867 | break; |
870 | default: |
868 | default: |
871 | case DRM_FORCE_ON: |
869 | case DRM_FORCE_ON: |
872 | s = "ON"; |
870 | s = "ON"; |
873 | break; |
871 | break; |
874 | } |
872 | } |
875 | 873 | ||
876 | DRM_INFO("forcing %s connector %s\n", connector->name, s); |
874 | DRM_INFO("forcing %s connector %s\n", connector->name, s); |
877 | connector->force = mode->force; |
875 | connector->force = mode->force; |
878 | } |
876 | } |
879 | 877 | ||
880 | DRM_DEBUG_KMS("cmdline mode for connector %s %dx%d@%dHz%s%s%s\n", |
878 | DRM_DEBUG_KMS("cmdline mode for connector %s %dx%d@%dHz%s%s%s\n", |
881 | connector->name, |
879 | connector->name, |
882 | mode->xres, mode->yres, |
880 | mode->xres, mode->yres, |
883 | mode->refresh_specified ? mode->refresh : 60, |
881 | mode->refresh_specified ? mode->refresh : 60, |
884 | mode->rb ? " reduced blanking" : "", |
882 | mode->rb ? " reduced blanking" : "", |
885 | mode->margins ? " with margins" : "", |
883 | mode->margins ? " with margins" : "", |
886 | mode->interlace ? " interlaced" : ""); |
884 | mode->interlace ? " interlaced" : ""); |
887 | } |
885 | } |
888 | 886 | ||
889 | /** |
887 | /** |
890 | * drm_connector_init - Init a preallocated connector |
888 | * drm_connector_init - Init a preallocated connector |
891 | * @dev: DRM device |
889 | * @dev: DRM device |
892 | * @connector: the connector to init |
890 | * @connector: the connector to init |
893 | * @funcs: callbacks for this connector |
891 | * @funcs: callbacks for this connector |
894 | * @connector_type: user visible type of the connector |
892 | * @connector_type: user visible type of the connector |
895 | * |
893 | * |
896 | * Initialises a preallocated connector. Connectors should be |
894 | * Initialises a preallocated connector. Connectors should be |
897 | * subclassed as part of driver connector objects. |
895 | * subclassed as part of driver connector objects. |
898 | * |
896 | * |
899 | * Returns: |
897 | * Returns: |
900 | * Zero on success, error code on failure. |
898 | * Zero on success, error code on failure. |
901 | */ |
899 | */ |
902 | int drm_connector_init(struct drm_device *dev, |
900 | int drm_connector_init(struct drm_device *dev, |
903 | struct drm_connector *connector, |
901 | struct drm_connector *connector, |
904 | const struct drm_connector_funcs *funcs, |
902 | const struct drm_connector_funcs *funcs, |
905 | int connector_type) |
903 | int connector_type) |
906 | { |
904 | { |
907 | struct drm_mode_config *config = &dev->mode_config; |
905 | struct drm_mode_config *config = &dev->mode_config; |
908 | int ret; |
906 | int ret; |
909 | struct ida *connector_ida = |
907 | struct ida *connector_ida = |
910 | &drm_connector_enum_list[connector_type].ida; |
908 | &drm_connector_enum_list[connector_type].ida; |
911 | 909 | ||
912 | drm_modeset_lock_all(dev); |
910 | drm_modeset_lock_all(dev); |
913 | 911 | ||
914 | ret = drm_mode_object_get_reg(dev, &connector->base, DRM_MODE_OBJECT_CONNECTOR, false); |
912 | ret = drm_mode_object_get_reg(dev, &connector->base, DRM_MODE_OBJECT_CONNECTOR, false); |
915 | if (ret) |
913 | if (ret) |
916 | goto out_unlock; |
914 | goto out_unlock; |
917 | 915 | ||
918 | connector->base.properties = &connector->properties; |
916 | connector->base.properties = &connector->properties; |
919 | connector->dev = dev; |
917 | connector->dev = dev; |
920 | connector->funcs = funcs; |
918 | connector->funcs = funcs; |
921 | 919 | ||
922 | connector->connector_id = ida_simple_get(&config->connector_ida, 0, 0, GFP_KERNEL); |
920 | connector->connector_id = ida_simple_get(&config->connector_ida, 0, 0, GFP_KERNEL); |
923 | if (connector->connector_id < 0) { |
921 | if (connector->connector_id < 0) { |
924 | ret = connector->connector_id; |
922 | ret = connector->connector_id; |
925 | goto out_put; |
923 | goto out_put; |
926 | } |
924 | } |
927 | 925 | ||
928 | connector->connector_type = connector_type; |
926 | connector->connector_type = connector_type; |
929 | connector->connector_type_id = |
927 | connector->connector_type_id = |
930 | ida_simple_get(connector_ida, 1, 0, GFP_KERNEL); |
928 | ida_simple_get(connector_ida, 1, 0, GFP_KERNEL); |
931 | if (connector->connector_type_id < 0) { |
929 | if (connector->connector_type_id < 0) { |
932 | ret = connector->connector_type_id; |
930 | ret = connector->connector_type_id; |
933 | goto out_put_id; |
931 | goto out_put_id; |
934 | } |
932 | } |
935 | connector->name = |
933 | connector->name = |
936 | kasprintf(GFP_KERNEL, "%s-%d", |
934 | kasprintf(GFP_KERNEL, "%s-%d", |
937 | drm_connector_enum_list[connector_type].name, |
935 | drm_connector_enum_list[connector_type].name, |
938 | connector->connector_type_id); |
936 | connector->connector_type_id); |
939 | if (!connector->name) { |
937 | if (!connector->name) { |
940 | ret = -ENOMEM; |
938 | ret = -ENOMEM; |
941 | goto out_put_type_id; |
939 | goto out_put_type_id; |
942 | } |
940 | } |
943 | 941 | ||
944 | INIT_LIST_HEAD(&connector->probed_modes); |
942 | INIT_LIST_HEAD(&connector->probed_modes); |
945 | INIT_LIST_HEAD(&connector->modes); |
943 | INIT_LIST_HEAD(&connector->modes); |
946 | connector->edid_blob_ptr = NULL; |
944 | connector->edid_blob_ptr = NULL; |
947 | connector->status = connector_status_unknown; |
945 | connector->status = connector_status_unknown; |
948 | 946 | ||
949 | drm_connector_get_cmdline_mode(connector); |
947 | drm_connector_get_cmdline_mode(connector); |
950 | 948 | ||
951 | /* We should add connectors at the end to avoid upsetting the connector |
949 | /* We should add connectors at the end to avoid upsetting the connector |
952 | * index too much. */ |
950 | * index too much. */ |
953 | list_add_tail(&connector->head, &config->connector_list); |
951 | list_add_tail(&connector->head, &config->connector_list); |
954 | config->num_connector++; |
952 | config->num_connector++; |
955 | 953 | ||
956 | if (connector_type != DRM_MODE_CONNECTOR_VIRTUAL) |
954 | if (connector_type != DRM_MODE_CONNECTOR_VIRTUAL) |
957 | drm_object_attach_property(&connector->base, |
955 | drm_object_attach_property(&connector->base, |
958 | config->edid_property, |
956 | config->edid_property, |
959 | 0); |
957 | 0); |
960 | 958 | ||
961 | drm_object_attach_property(&connector->base, |
959 | drm_object_attach_property(&connector->base, |
962 | config->dpms_property, 0); |
960 | config->dpms_property, 0); |
963 | 961 | ||
964 | if (drm_core_check_feature(dev, DRIVER_ATOMIC)) { |
962 | if (drm_core_check_feature(dev, DRIVER_ATOMIC)) { |
965 | drm_object_attach_property(&connector->base, config->prop_crtc_id, 0); |
963 | drm_object_attach_property(&connector->base, config->prop_crtc_id, 0); |
966 | } |
964 | } |
967 | 965 | ||
968 | connector->debugfs_entry = NULL; |
966 | connector->debugfs_entry = NULL; |
969 | out_put_type_id: |
967 | out_put_type_id: |
970 | if (ret) |
968 | if (ret) |
971 | ida_remove(connector_ida, connector->connector_type_id); |
969 | ida_remove(connector_ida, connector->connector_type_id); |
972 | out_put_id: |
970 | out_put_id: |
973 | if (ret) |
971 | if (ret) |
974 | ida_remove(&config->connector_ida, connector->connector_id); |
972 | ida_remove(&config->connector_ida, connector->connector_id); |
975 | out_put: |
973 | out_put: |
976 | if (ret) |
974 | if (ret) |
977 | drm_mode_object_put(dev, &connector->base); |
975 | drm_mode_object_put(dev, &connector->base); |
978 | 976 | ||
979 | out_unlock: |
977 | out_unlock: |
980 | drm_modeset_unlock_all(dev); |
978 | drm_modeset_unlock_all(dev); |
981 | 979 | ||
982 | return ret; |
980 | return ret; |
983 | } |
981 | } |
984 | EXPORT_SYMBOL(drm_connector_init); |
982 | EXPORT_SYMBOL(drm_connector_init); |
985 | 983 | ||
986 | /** |
984 | /** |
987 | * drm_connector_cleanup - cleans up an initialised connector |
985 | * drm_connector_cleanup - cleans up an initialised connector |
988 | * @connector: connector to cleanup |
986 | * @connector: connector to cleanup |
989 | * |
987 | * |
990 | * Cleans up the connector but doesn't free the object. |
988 | * Cleans up the connector but doesn't free the object. |
991 | */ |
989 | */ |
992 | void drm_connector_cleanup(struct drm_connector *connector) |
990 | void drm_connector_cleanup(struct drm_connector *connector) |
993 | { |
991 | { |
994 | struct drm_device *dev = connector->dev; |
992 | struct drm_device *dev = connector->dev; |
995 | struct drm_display_mode *mode, *t; |
993 | struct drm_display_mode *mode, *t; |
996 | 994 | ||
997 | if (connector->tile_group) { |
995 | if (connector->tile_group) { |
998 | drm_mode_put_tile_group(dev, connector->tile_group); |
996 | drm_mode_put_tile_group(dev, connector->tile_group); |
999 | connector->tile_group = NULL; |
997 | connector->tile_group = NULL; |
1000 | } |
998 | } |
1001 | 999 | ||
1002 | list_for_each_entry_safe(mode, t, &connector->probed_modes, head) |
1000 | list_for_each_entry_safe(mode, t, &connector->probed_modes, head) |
1003 | drm_mode_remove(connector, mode); |
1001 | drm_mode_remove(connector, mode); |
1004 | 1002 | ||
1005 | list_for_each_entry_safe(mode, t, &connector->modes, head) |
1003 | list_for_each_entry_safe(mode, t, &connector->modes, head) |
1006 | drm_mode_remove(connector, mode); |
1004 | drm_mode_remove(connector, mode); |
1007 | 1005 | ||
1008 | ida_remove(&drm_connector_enum_list[connector->connector_type].ida, |
1006 | ida_remove(&drm_connector_enum_list[connector->connector_type].ida, |
1009 | connector->connector_type_id); |
1007 | connector->connector_type_id); |
1010 | 1008 | ||
1011 | ida_remove(&dev->mode_config.connector_ida, |
1009 | ida_remove(&dev->mode_config.connector_ida, |
1012 | connector->connector_id); |
1010 | connector->connector_id); |
1013 | 1011 | ||
1014 | kfree(connector->display_info.bus_formats); |
1012 | kfree(connector->display_info.bus_formats); |
1015 | drm_mode_object_put(dev, &connector->base); |
1013 | drm_mode_object_put(dev, &connector->base); |
1016 | kfree(connector->name); |
1014 | kfree(connector->name); |
1017 | connector->name = NULL; |
1015 | connector->name = NULL; |
1018 | list_del(&connector->head); |
1016 | list_del(&connector->head); |
1019 | dev->mode_config.num_connector--; |
1017 | dev->mode_config.num_connector--; |
1020 | 1018 | ||
1021 | WARN_ON(connector->state && !connector->funcs->atomic_destroy_state); |
1019 | WARN_ON(connector->state && !connector->funcs->atomic_destroy_state); |
1022 | if (connector->state && connector->funcs->atomic_destroy_state) |
1020 | if (connector->state && connector->funcs->atomic_destroy_state) |
1023 | connector->funcs->atomic_destroy_state(connector, |
1021 | connector->funcs->atomic_destroy_state(connector, |
1024 | connector->state); |
1022 | connector->state); |
1025 | 1023 | ||
1026 | memset(connector, 0, sizeof(*connector)); |
1024 | memset(connector, 0, sizeof(*connector)); |
1027 | } |
1025 | } |
1028 | EXPORT_SYMBOL(drm_connector_cleanup); |
1026 | EXPORT_SYMBOL(drm_connector_cleanup); |
1029 | 1027 | ||
1030 | /** |
1028 | /** |
1031 | * drm_connector_register - register a connector |
1029 | * drm_connector_register - register a connector |
1032 | * @connector: the connector to register |
1030 | * @connector: the connector to register |
1033 | * |
1031 | * |
1034 | * Register userspace interfaces for a connector |
1032 | * Register userspace interfaces for a connector |
1035 | * |
1033 | * |
1036 | * Returns: |
1034 | * Returns: |
1037 | * Zero on success, error code on failure. |
1035 | * Zero on success, error code on failure. |
1038 | */ |
1036 | */ |
1039 | int drm_connector_register(struct drm_connector *connector) |
1037 | int drm_connector_register(struct drm_connector *connector) |
1040 | { |
1038 | { |
1041 | int ret; |
1039 | int ret; |
1042 | 1040 | ||
1043 | drm_mode_object_register(connector->dev, &connector->base); |
1041 | drm_mode_object_register(connector->dev, &connector->base); |
1044 | 1042 | ||
1045 | ret = drm_sysfs_connector_add(connector); |
1043 | ret = drm_sysfs_connector_add(connector); |
1046 | if (ret) |
1044 | if (ret) |
1047 | return ret; |
1045 | return ret; |
1048 | 1046 | ||
1049 | ret = drm_debugfs_connector_add(connector); |
1047 | ret = drm_debugfs_connector_add(connector); |
1050 | if (ret) { |
1048 | if (ret) { |
1051 | drm_sysfs_connector_remove(connector); |
1049 | drm_sysfs_connector_remove(connector); |
1052 | return ret; |
1050 | return ret; |
1053 | } |
1051 | } |
1054 | 1052 | ||
1055 | return 0; |
1053 | return 0; |
1056 | } |
1054 | } |
1057 | EXPORT_SYMBOL(drm_connector_register); |
1055 | EXPORT_SYMBOL(drm_connector_register); |
1058 | 1056 | ||
1059 | /** |
1057 | /** |
1060 | * drm_connector_unregister - unregister a connector |
1058 | * drm_connector_unregister - unregister a connector |
1061 | * @connector: the connector to unregister |
1059 | * @connector: the connector to unregister |
1062 | * |
1060 | * |
1063 | * Unregister userspace interfaces for a connector |
1061 | * Unregister userspace interfaces for a connector |
1064 | */ |
1062 | */ |
1065 | void drm_connector_unregister(struct drm_connector *connector) |
1063 | void drm_connector_unregister(struct drm_connector *connector) |
1066 | { |
1064 | { |
1067 | drm_sysfs_connector_remove(connector); |
1065 | drm_sysfs_connector_remove(connector); |
1068 | drm_debugfs_connector_remove(connector); |
1066 | drm_debugfs_connector_remove(connector); |
1069 | } |
1067 | } |
1070 | EXPORT_SYMBOL(drm_connector_unregister); |
1068 | EXPORT_SYMBOL(drm_connector_unregister); |
1071 | 1069 | ||
1072 | 1070 | ||
1073 | /** |
1071 | /** |
1074 | * drm_connector_unplug_all - unregister connector userspace interfaces |
1072 | * drm_connector_unplug_all - unregister connector userspace interfaces |
1075 | * @dev: drm device |
1073 | * @dev: drm device |
1076 | * |
1074 | * |
1077 | * This function unregisters all connector userspace interfaces in sysfs. Should |
1075 | * This function unregisters all connector userspace interfaces in sysfs. Should |
1078 | * be call when the device is disconnected, e.g. from an usb driver's |
1076 | * be call when the device is disconnected, e.g. from an usb driver's |
1079 | * ->disconnect callback. |
1077 | * ->disconnect callback. |
1080 | */ |
1078 | */ |
1081 | void drm_connector_unplug_all(struct drm_device *dev) |
1079 | void drm_connector_unplug_all(struct drm_device *dev) |
1082 | { |
1080 | { |
1083 | struct drm_connector *connector; |
1081 | struct drm_connector *connector; |
1084 | 1082 | ||
1085 | /* FIXME: taking the mode config mutex ends up in a clash with sysfs */ |
1083 | /* FIXME: taking the mode config mutex ends up in a clash with sysfs */ |
1086 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) |
1084 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) |
1087 | drm_connector_unregister(connector); |
1085 | drm_connector_unregister(connector); |
1088 | 1086 | ||
1089 | } |
1087 | } |
1090 | EXPORT_SYMBOL(drm_connector_unplug_all); |
1088 | EXPORT_SYMBOL(drm_connector_unplug_all); |
1091 | 1089 | ||
1092 | /** |
1090 | /** |
1093 | * drm_encoder_init - Init a preallocated encoder |
1091 | * drm_encoder_init - Init a preallocated encoder |
1094 | * @dev: drm device |
1092 | * @dev: drm device |
1095 | * @encoder: the encoder to init |
1093 | * @encoder: the encoder to init |
1096 | * @funcs: callbacks for this encoder |
1094 | * @funcs: callbacks for this encoder |
1097 | * @encoder_type: user visible type of the encoder |
1095 | * @encoder_type: user visible type of the encoder |
1098 | * @name: printf style format string for the encoder name, or NULL for default name |
1096 | * @name: printf style format string for the encoder name, or NULL for default name |
1099 | * |
1097 | * |
1100 | * Initialises a preallocated encoder. Encoder should be |
1098 | * Initialises a preallocated encoder. Encoder should be |
1101 | * subclassed as part of driver encoder objects. |
1099 | * subclassed as part of driver encoder objects. |
1102 | * |
1100 | * |
1103 | * Returns: |
1101 | * Returns: |
1104 | * Zero on success, error code on failure. |
1102 | * Zero on success, error code on failure. |
1105 | */ |
1103 | */ |
1106 | int drm_encoder_init(struct drm_device *dev, |
1104 | int drm_encoder_init(struct drm_device *dev, |
1107 | struct drm_encoder *encoder, |
1105 | struct drm_encoder *encoder, |
1108 | const struct drm_encoder_funcs *funcs, |
1106 | const struct drm_encoder_funcs *funcs, |
1109 | int encoder_type, const char *name, ...) |
1107 | int encoder_type, const char *name, ...) |
1110 | { |
1108 | { |
1111 | int ret; |
1109 | int ret; |
1112 | 1110 | ||
1113 | drm_modeset_lock_all(dev); |
1111 | drm_modeset_lock_all(dev); |
1114 | 1112 | ||
1115 | ret = drm_mode_object_get(dev, &encoder->base, DRM_MODE_OBJECT_ENCODER); |
1113 | ret = drm_mode_object_get(dev, &encoder->base, DRM_MODE_OBJECT_ENCODER); |
1116 | if (ret) |
1114 | if (ret) |
1117 | goto out_unlock; |
1115 | goto out_unlock; |
1118 | 1116 | ||
1119 | encoder->dev = dev; |
1117 | encoder->dev = dev; |
1120 | encoder->encoder_type = encoder_type; |
1118 | encoder->encoder_type = encoder_type; |
1121 | encoder->funcs = funcs; |
1119 | encoder->funcs = funcs; |
1122 | if (name) { |
1120 | if (name) { |
1123 | va_list ap; |
1121 | va_list ap; |
1124 | 1122 | ||
1125 | va_start(ap, name); |
1123 | va_start(ap, name); |
1126 | encoder->name = kvasprintf(GFP_KERNEL, name, ap); |
1124 | encoder->name = kvasprintf(GFP_KERNEL, name, ap); |
1127 | va_end(ap); |
1125 | va_end(ap); |
1128 | } else { |
1126 | } else { |
1129 | encoder->name = kasprintf(GFP_KERNEL, "%s-%d", |
1127 | encoder->name = kasprintf(GFP_KERNEL, "%s-%d", |
1130 | drm_encoder_enum_list[encoder_type].name, |
1128 | drm_encoder_enum_list[encoder_type].name, |
1131 | encoder->base.id); |
1129 | encoder->base.id); |
1132 | } |
1130 | } |
1133 | if (!encoder->name) { |
1131 | if (!encoder->name) { |
1134 | ret = -ENOMEM; |
1132 | ret = -ENOMEM; |
1135 | goto out_put; |
1133 | goto out_put; |
1136 | } |
1134 | } |
1137 | 1135 | ||
1138 | list_add_tail(&encoder->head, &dev->mode_config.encoder_list); |
1136 | list_add_tail(&encoder->head, &dev->mode_config.encoder_list); |
1139 | dev->mode_config.num_encoder++; |
1137 | dev->mode_config.num_encoder++; |
1140 | 1138 | ||
1141 | out_put: |
1139 | out_put: |
1142 | if (ret) |
1140 | if (ret) |
1143 | drm_mode_object_put(dev, &encoder->base); |
1141 | drm_mode_object_put(dev, &encoder->base); |
1144 | 1142 | ||
1145 | out_unlock: |
1143 | out_unlock: |
1146 | drm_modeset_unlock_all(dev); |
1144 | drm_modeset_unlock_all(dev); |
1147 | 1145 | ||
1148 | return ret; |
1146 | return ret; |
1149 | } |
1147 | } |
1150 | EXPORT_SYMBOL(drm_encoder_init); |
1148 | EXPORT_SYMBOL(drm_encoder_init); |
1151 | 1149 | ||
1152 | /** |
1150 | /** |
- | 1151 | * drm_encoder_index - find the index of a registered encoder |
|
- | 1152 | * @encoder: encoder to find index for |
|
- | 1153 | * |
|
- | 1154 | * Given a registered encoder, return the index of that encoder within a DRM |
|
- | 1155 | * device's list of encoders. |
|
- | 1156 | */ |
|
- | 1157 | unsigned int drm_encoder_index(struct drm_encoder *encoder) |
|
- | 1158 | { |
|
- | 1159 | unsigned int index = 0; |
|
- | 1160 | struct drm_encoder *tmp; |
|
- | 1161 | ||
- | 1162 | drm_for_each_encoder(tmp, encoder->dev) { |
|
- | 1163 | if (tmp == encoder) |
|
- | 1164 | return index; |
|
- | 1165 | ||
- | 1166 | index++; |
|
- | 1167 | } |
|
- | 1168 | ||
- | 1169 | BUG(); |
|
- | 1170 | } |
|
- | 1171 | EXPORT_SYMBOL(drm_encoder_index); |
|
- | 1172 | ||
- | 1173 | /** |
|
1153 | * drm_encoder_cleanup - cleans up an initialised encoder |
1174 | * drm_encoder_cleanup - cleans up an initialised encoder |
1154 | * @encoder: encoder to cleanup |
1175 | * @encoder: encoder to cleanup |
1155 | * |
1176 | * |
1156 | * Cleans up the encoder but doesn't free the object. |
1177 | * Cleans up the encoder but doesn't free the object. |
1157 | */ |
1178 | */ |
1158 | void drm_encoder_cleanup(struct drm_encoder *encoder) |
1179 | void drm_encoder_cleanup(struct drm_encoder *encoder) |
1159 | { |
1180 | { |
1160 | struct drm_device *dev = encoder->dev; |
1181 | struct drm_device *dev = encoder->dev; |
1161 | 1182 | ||
1162 | drm_modeset_lock_all(dev); |
1183 | drm_modeset_lock_all(dev); |
1163 | drm_mode_object_put(dev, &encoder->base); |
1184 | drm_mode_object_put(dev, &encoder->base); |
1164 | kfree(encoder->name); |
1185 | kfree(encoder->name); |
1165 | list_del(&encoder->head); |
1186 | list_del(&encoder->head); |
1166 | dev->mode_config.num_encoder--; |
1187 | dev->mode_config.num_encoder--; |
1167 | drm_modeset_unlock_all(dev); |
1188 | drm_modeset_unlock_all(dev); |
1168 | 1189 | ||
1169 | memset(encoder, 0, sizeof(*encoder)); |
1190 | memset(encoder, 0, sizeof(*encoder)); |
1170 | } |
1191 | } |
1171 | EXPORT_SYMBOL(drm_encoder_cleanup); |
1192 | EXPORT_SYMBOL(drm_encoder_cleanup); |
1172 | 1193 | ||
1173 | static unsigned int drm_num_planes(struct drm_device *dev) |
1194 | static unsigned int drm_num_planes(struct drm_device *dev) |
1174 | { |
1195 | { |
1175 | unsigned int num = 0; |
1196 | unsigned int num = 0; |
1176 | struct drm_plane *tmp; |
1197 | struct drm_plane *tmp; |
1177 | 1198 | ||
1178 | drm_for_each_plane(tmp, dev) { |
1199 | drm_for_each_plane(tmp, dev) { |
1179 | num++; |
1200 | num++; |
1180 | } |
1201 | } |
1181 | 1202 | ||
1182 | return num; |
1203 | return num; |
1183 | } |
1204 | } |
1184 | 1205 | ||
1185 | /** |
1206 | /** |
1186 | * drm_universal_plane_init - Initialize a new universal plane object |
1207 | * drm_universal_plane_init - Initialize a new universal plane object |
1187 | * @dev: DRM device |
1208 | * @dev: DRM device |
1188 | * @plane: plane object to init |
1209 | * @plane: plane object to init |
1189 | * @possible_crtcs: bitmask of possible CRTCs |
1210 | * @possible_crtcs: bitmask of possible CRTCs |
1190 | * @funcs: callbacks for the new plane |
1211 | * @funcs: callbacks for the new plane |
1191 | * @formats: array of supported formats (%DRM_FORMAT_*) |
1212 | * @formats: array of supported formats (%DRM_FORMAT_*) |
1192 | * @format_count: number of elements in @formats |
1213 | * @format_count: number of elements in @formats |
1193 | * @type: type of plane (overlay, primary, cursor) |
1214 | * @type: type of plane (overlay, primary, cursor) |
1194 | * @name: printf style format string for the plane name, or NULL for default name |
1215 | * @name: printf style format string for the plane name, or NULL for default name |
1195 | * |
1216 | * |
1196 | * Initializes a plane object of type @type. |
1217 | * Initializes a plane object of type @type. |
1197 | * |
1218 | * |
1198 | * Returns: |
1219 | * Returns: |
1199 | * Zero on success, error code on failure. |
1220 | * Zero on success, error code on failure. |
1200 | */ |
1221 | */ |
1201 | int drm_universal_plane_init(struct drm_device *dev, struct drm_plane *plane, |
1222 | int drm_universal_plane_init(struct drm_device *dev, struct drm_plane *plane, |
1202 | unsigned long possible_crtcs, |
1223 | unsigned long possible_crtcs, |
1203 | const struct drm_plane_funcs *funcs, |
1224 | const struct drm_plane_funcs *funcs, |
1204 | const uint32_t *formats, unsigned int format_count, |
1225 | const uint32_t *formats, unsigned int format_count, |
1205 | enum drm_plane_type type, |
1226 | enum drm_plane_type type, |
1206 | const char *name, ...) |
1227 | const char *name, ...) |
1207 | { |
1228 | { |
1208 | struct drm_mode_config *config = &dev->mode_config; |
1229 | struct drm_mode_config *config = &dev->mode_config; |
1209 | int ret; |
1230 | int ret; |
1210 | 1231 | ||
1211 | ret = drm_mode_object_get(dev, &plane->base, DRM_MODE_OBJECT_PLANE); |
1232 | ret = drm_mode_object_get(dev, &plane->base, DRM_MODE_OBJECT_PLANE); |
1212 | if (ret) |
1233 | if (ret) |
1213 | return ret; |
1234 | return ret; |
1214 | 1235 | ||
1215 | drm_modeset_lock_init(&plane->mutex); |
1236 | drm_modeset_lock_init(&plane->mutex); |
1216 | 1237 | ||
1217 | plane->base.properties = &plane->properties; |
1238 | plane->base.properties = &plane->properties; |
1218 | plane->dev = dev; |
1239 | plane->dev = dev; |
1219 | plane->funcs = funcs; |
1240 | plane->funcs = funcs; |
1220 | plane->format_types = kmalloc_array(format_count, sizeof(uint32_t), |
1241 | plane->format_types = kmalloc_array(format_count, sizeof(uint32_t), |
1221 | GFP_KERNEL); |
1242 | GFP_KERNEL); |
1222 | if (!plane->format_types) { |
1243 | if (!plane->format_types) { |
1223 | DRM_DEBUG_KMS("out of memory when allocating plane\n"); |
1244 | DRM_DEBUG_KMS("out of memory when allocating plane\n"); |
1224 | drm_mode_object_put(dev, &plane->base); |
1245 | drm_mode_object_put(dev, &plane->base); |
1225 | return -ENOMEM; |
1246 | return -ENOMEM; |
1226 | } |
1247 | } |
1227 | 1248 | ||
1228 | if (name) { |
1249 | if (name) { |
1229 | va_list ap; |
1250 | va_list ap; |
1230 | 1251 | ||
1231 | va_start(ap, name); |
1252 | va_start(ap, name); |
1232 | plane->name = kvasprintf(GFP_KERNEL, name, ap); |
1253 | plane->name = kvasprintf(GFP_KERNEL, name, ap); |
1233 | va_end(ap); |
1254 | va_end(ap); |
1234 | } else { |
1255 | } else { |
1235 | plane->name = kasprintf(GFP_KERNEL, "plane-%d", |
1256 | plane->name = kasprintf(GFP_KERNEL, "plane-%d", |
1236 | drm_num_planes(dev)); |
1257 | drm_num_planes(dev)); |
1237 | } |
1258 | } |
1238 | if (!plane->name) { |
1259 | if (!plane->name) { |
1239 | kfree(plane->format_types); |
1260 | kfree(plane->format_types); |
1240 | drm_mode_object_put(dev, &plane->base); |
1261 | drm_mode_object_put(dev, &plane->base); |
1241 | return -ENOMEM; |
1262 | return -ENOMEM; |
1242 | } |
1263 | } |
1243 | 1264 | ||
1244 | memcpy(plane->format_types, formats, format_count * sizeof(uint32_t)); |
1265 | memcpy(plane->format_types, formats, format_count * sizeof(uint32_t)); |
1245 | plane->format_count = format_count; |
1266 | plane->format_count = format_count; |
1246 | plane->possible_crtcs = possible_crtcs; |
1267 | plane->possible_crtcs = possible_crtcs; |
1247 | plane->type = type; |
1268 | plane->type = type; |
1248 | 1269 | ||
1249 | list_add_tail(&plane->head, &config->plane_list); |
1270 | list_add_tail(&plane->head, &config->plane_list); |
1250 | config->num_total_plane++; |
1271 | config->num_total_plane++; |
1251 | if (plane->type == DRM_PLANE_TYPE_OVERLAY) |
1272 | if (plane->type == DRM_PLANE_TYPE_OVERLAY) |
1252 | config->num_overlay_plane++; |
1273 | config->num_overlay_plane++; |
1253 | 1274 | ||
1254 | drm_object_attach_property(&plane->base, |
1275 | drm_object_attach_property(&plane->base, |
1255 | config->plane_type_property, |
1276 | config->plane_type_property, |
1256 | plane->type); |
1277 | plane->type); |
1257 | 1278 | ||
1258 | if (drm_core_check_feature(dev, DRIVER_ATOMIC)) { |
1279 | if (drm_core_check_feature(dev, DRIVER_ATOMIC)) { |
1259 | drm_object_attach_property(&plane->base, config->prop_fb_id, 0); |
1280 | drm_object_attach_property(&plane->base, config->prop_fb_id, 0); |
1260 | drm_object_attach_property(&plane->base, config->prop_crtc_id, 0); |
1281 | drm_object_attach_property(&plane->base, config->prop_crtc_id, 0); |
1261 | drm_object_attach_property(&plane->base, config->prop_crtc_x, 0); |
1282 | drm_object_attach_property(&plane->base, config->prop_crtc_x, 0); |
1262 | drm_object_attach_property(&plane->base, config->prop_crtc_y, 0); |
1283 | drm_object_attach_property(&plane->base, config->prop_crtc_y, 0); |
1263 | drm_object_attach_property(&plane->base, config->prop_crtc_w, 0); |
1284 | drm_object_attach_property(&plane->base, config->prop_crtc_w, 0); |
1264 | drm_object_attach_property(&plane->base, config->prop_crtc_h, 0); |
1285 | drm_object_attach_property(&plane->base, config->prop_crtc_h, 0); |
1265 | drm_object_attach_property(&plane->base, config->prop_src_x, 0); |
1286 | drm_object_attach_property(&plane->base, config->prop_src_x, 0); |
1266 | drm_object_attach_property(&plane->base, config->prop_src_y, 0); |
1287 | drm_object_attach_property(&plane->base, config->prop_src_y, 0); |
1267 | drm_object_attach_property(&plane->base, config->prop_src_w, 0); |
1288 | drm_object_attach_property(&plane->base, config->prop_src_w, 0); |
1268 | drm_object_attach_property(&plane->base, config->prop_src_h, 0); |
1289 | drm_object_attach_property(&plane->base, config->prop_src_h, 0); |
1269 | } |
1290 | } |
1270 | 1291 | ||
1271 | return 0; |
1292 | return 0; |
1272 | } |
1293 | } |
1273 | EXPORT_SYMBOL(drm_universal_plane_init); |
1294 | EXPORT_SYMBOL(drm_universal_plane_init); |
1274 | 1295 | ||
1275 | /** |
1296 | /** |
1276 | * drm_plane_init - Initialize a legacy plane |
1297 | * drm_plane_init - Initialize a legacy plane |
1277 | * @dev: DRM device |
1298 | * @dev: DRM device |
1278 | * @plane: plane object to init |
1299 | * @plane: plane object to init |
1279 | * @possible_crtcs: bitmask of possible CRTCs |
1300 | * @possible_crtcs: bitmask of possible CRTCs |
1280 | * @funcs: callbacks for the new plane |
1301 | * @funcs: callbacks for the new plane |
1281 | * @formats: array of supported formats (%DRM_FORMAT_*) |
1302 | * @formats: array of supported formats (%DRM_FORMAT_*) |
1282 | * @format_count: number of elements in @formats |
1303 | * @format_count: number of elements in @formats |
1283 | * @is_primary: plane type (primary vs overlay) |
1304 | * @is_primary: plane type (primary vs overlay) |
1284 | * |
1305 | * |
1285 | * Legacy API to initialize a DRM plane. |
1306 | * Legacy API to initialize a DRM plane. |
1286 | * |
1307 | * |
1287 | * New drivers should call drm_universal_plane_init() instead. |
1308 | * New drivers should call drm_universal_plane_init() instead. |
1288 | * |
1309 | * |
1289 | * Returns: |
1310 | * Returns: |
1290 | * Zero on success, error code on failure. |
1311 | * Zero on success, error code on failure. |
1291 | */ |
1312 | */ |
1292 | int drm_plane_init(struct drm_device *dev, struct drm_plane *plane, |
1313 | int drm_plane_init(struct drm_device *dev, struct drm_plane *plane, |
1293 | unsigned long possible_crtcs, |
1314 | unsigned long possible_crtcs, |
1294 | const struct drm_plane_funcs *funcs, |
1315 | const struct drm_plane_funcs *funcs, |
1295 | const uint32_t *formats, unsigned int format_count, |
1316 | const uint32_t *formats, unsigned int format_count, |
1296 | bool is_primary) |
1317 | bool is_primary) |
1297 | { |
1318 | { |
1298 | enum drm_plane_type type; |
1319 | enum drm_plane_type type; |
1299 | 1320 | ||
1300 | type = is_primary ? DRM_PLANE_TYPE_PRIMARY : DRM_PLANE_TYPE_OVERLAY; |
1321 | type = is_primary ? DRM_PLANE_TYPE_PRIMARY : DRM_PLANE_TYPE_OVERLAY; |
1301 | return drm_universal_plane_init(dev, plane, possible_crtcs, funcs, |
1322 | return drm_universal_plane_init(dev, plane, possible_crtcs, funcs, |
1302 | formats, format_count, type, NULL); |
1323 | formats, format_count, type, NULL); |
1303 | } |
1324 | } |
1304 | EXPORT_SYMBOL(drm_plane_init); |
1325 | EXPORT_SYMBOL(drm_plane_init); |
1305 | 1326 | ||
1306 | /** |
1327 | /** |
1307 | * drm_plane_cleanup - Clean up the core plane usage |
1328 | * drm_plane_cleanup - Clean up the core plane usage |
1308 | * @plane: plane to cleanup |
1329 | * @plane: plane to cleanup |
1309 | * |
1330 | * |
1310 | * This function cleans up @plane and removes it from the DRM mode setting |
1331 | * This function cleans up @plane and removes it from the DRM mode setting |
1311 | * core. Note that the function does *not* free the plane structure itself, |
1332 | * core. Note that the function does *not* free the plane structure itself, |
1312 | * this is the responsibility of the caller. |
1333 | * this is the responsibility of the caller. |
1313 | */ |
1334 | */ |
1314 | void drm_plane_cleanup(struct drm_plane *plane) |
1335 | void drm_plane_cleanup(struct drm_plane *plane) |
1315 | { |
1336 | { |
1316 | struct drm_device *dev = plane->dev; |
1337 | struct drm_device *dev = plane->dev; |
1317 | 1338 | ||
1318 | drm_modeset_lock_all(dev); |
1339 | drm_modeset_lock_all(dev); |
1319 | kfree(plane->format_types); |
1340 | kfree(plane->format_types); |
1320 | drm_mode_object_put(dev, &plane->base); |
1341 | drm_mode_object_put(dev, &plane->base); |
1321 | 1342 | ||
1322 | BUG_ON(list_empty(&plane->head)); |
1343 | BUG_ON(list_empty(&plane->head)); |
1323 | 1344 | ||
1324 | list_del(&plane->head); |
1345 | list_del(&plane->head); |
1325 | dev->mode_config.num_total_plane--; |
1346 | dev->mode_config.num_total_plane--; |
1326 | if (plane->type == DRM_PLANE_TYPE_OVERLAY) |
1347 | if (plane->type == DRM_PLANE_TYPE_OVERLAY) |
1327 | dev->mode_config.num_overlay_plane--; |
1348 | dev->mode_config.num_overlay_plane--; |
1328 | drm_modeset_unlock_all(dev); |
1349 | drm_modeset_unlock_all(dev); |
1329 | 1350 | ||
1330 | WARN_ON(plane->state && !plane->funcs->atomic_destroy_state); |
1351 | WARN_ON(plane->state && !plane->funcs->atomic_destroy_state); |
1331 | if (plane->state && plane->funcs->atomic_destroy_state) |
1352 | if (plane->state && plane->funcs->atomic_destroy_state) |
1332 | plane->funcs->atomic_destroy_state(plane, plane->state); |
1353 | plane->funcs->atomic_destroy_state(plane, plane->state); |
1333 | 1354 | ||
1334 | kfree(plane->name); |
1355 | kfree(plane->name); |
1335 | 1356 | ||
1336 | memset(plane, 0, sizeof(*plane)); |
1357 | memset(plane, 0, sizeof(*plane)); |
1337 | } |
1358 | } |
1338 | EXPORT_SYMBOL(drm_plane_cleanup); |
1359 | EXPORT_SYMBOL(drm_plane_cleanup); |
1339 | 1360 | ||
1340 | /** |
1361 | /** |
1341 | * drm_plane_index - find the index of a registered plane |
1362 | * drm_plane_index - find the index of a registered plane |
1342 | * @plane: plane to find index for |
1363 | * @plane: plane to find index for |
1343 | * |
1364 | * |
1344 | * Given a registered plane, return the index of that CRTC within a DRM |
1365 | * Given a registered plane, return the index of that CRTC within a DRM |
1345 | * device's list of planes. |
1366 | * device's list of planes. |
1346 | */ |
1367 | */ |
1347 | unsigned int drm_plane_index(struct drm_plane *plane) |
1368 | unsigned int drm_plane_index(struct drm_plane *plane) |
1348 | { |
1369 | { |
1349 | unsigned int index = 0; |
1370 | unsigned int index = 0; |
1350 | struct drm_plane *tmp; |
1371 | struct drm_plane *tmp; |
1351 | 1372 | ||
1352 | drm_for_each_plane(tmp, plane->dev) { |
1373 | drm_for_each_plane(tmp, plane->dev) { |
1353 | if (tmp == plane) |
1374 | if (tmp == plane) |
1354 | return index; |
1375 | return index; |
1355 | 1376 | ||
1356 | index++; |
1377 | index++; |
1357 | } |
1378 | } |
1358 | 1379 | ||
1359 | BUG(); |
1380 | BUG(); |
1360 | } |
1381 | } |
1361 | EXPORT_SYMBOL(drm_plane_index); |
1382 | EXPORT_SYMBOL(drm_plane_index); |
1362 | 1383 | ||
1363 | /** |
1384 | /** |
1364 | * drm_plane_from_index - find the registered plane at an index |
1385 | * drm_plane_from_index - find the registered plane at an index |
1365 | * @dev: DRM device |
1386 | * @dev: DRM device |
1366 | * @idx: index of registered plane to find for |
1387 | * @idx: index of registered plane to find for |
1367 | * |
1388 | * |
1368 | * Given a plane index, return the registered plane from DRM device's |
1389 | * Given a plane index, return the registered plane from DRM device's |
1369 | * list of planes with matching index. |
1390 | * list of planes with matching index. |
1370 | */ |
1391 | */ |
1371 | struct drm_plane * |
1392 | struct drm_plane * |
1372 | drm_plane_from_index(struct drm_device *dev, int idx) |
1393 | drm_plane_from_index(struct drm_device *dev, int idx) |
1373 | { |
1394 | { |
1374 | struct drm_plane *plane; |
1395 | struct drm_plane *plane; |
1375 | unsigned int i = 0; |
1396 | unsigned int i = 0; |
1376 | 1397 | ||
1377 | drm_for_each_plane(plane, dev) { |
1398 | drm_for_each_plane(plane, dev) { |
1378 | if (i == idx) |
1399 | if (i == idx) |
1379 | return plane; |
1400 | return plane; |
1380 | i++; |
1401 | i++; |
1381 | } |
1402 | } |
1382 | return NULL; |
1403 | return NULL; |
1383 | } |
1404 | } |
1384 | EXPORT_SYMBOL(drm_plane_from_index); |
1405 | EXPORT_SYMBOL(drm_plane_from_index); |
1385 | 1406 | ||
1386 | /** |
1407 | /** |
1387 | * drm_plane_force_disable - Forcibly disable a plane |
1408 | * drm_plane_force_disable - Forcibly disable a plane |
1388 | * @plane: plane to disable |
1409 | * @plane: plane to disable |
1389 | * |
1410 | * |
1390 | * Forces the plane to be disabled. |
1411 | * Forces the plane to be disabled. |
1391 | * |
1412 | * |
1392 | * Used when the plane's current framebuffer is destroyed, |
1413 | * Used when the plane's current framebuffer is destroyed, |
1393 | * and when restoring fbdev mode. |
1414 | * and when restoring fbdev mode. |
1394 | */ |
1415 | */ |
1395 | void drm_plane_force_disable(struct drm_plane *plane) |
1416 | void drm_plane_force_disable(struct drm_plane *plane) |
1396 | { |
1417 | { |
1397 | int ret; |
1418 | int ret; |
1398 | 1419 | ||
1399 | if (!plane->fb) |
1420 | if (!plane->fb) |
1400 | return; |
1421 | return; |
1401 | 1422 | ||
1402 | plane->old_fb = plane->fb; |
1423 | plane->old_fb = plane->fb; |
1403 | ret = plane->funcs->disable_plane(plane); |
1424 | ret = plane->funcs->disable_plane(plane); |
1404 | if (ret) { |
1425 | if (ret) { |
1405 | DRM_ERROR("failed to disable plane with busy fb\n"); |
1426 | DRM_ERROR("failed to disable plane with busy fb\n"); |
1406 | plane->old_fb = NULL; |
1427 | plane->old_fb = NULL; |
1407 | return; |
1428 | return; |
1408 | } |
1429 | } |
1409 | /* disconnect the plane from the fb and crtc: */ |
1430 | /* disconnect the plane from the fb and crtc: */ |
1410 | drm_framebuffer_unreference(plane->old_fb); |
1431 | drm_framebuffer_unreference(plane->old_fb); |
1411 | plane->old_fb = NULL; |
1432 | plane->old_fb = NULL; |
1412 | plane->fb = NULL; |
1433 | plane->fb = NULL; |
1413 | plane->crtc = NULL; |
1434 | plane->crtc = NULL; |
1414 | } |
1435 | } |
1415 | EXPORT_SYMBOL(drm_plane_force_disable); |
1436 | EXPORT_SYMBOL(drm_plane_force_disable); |
1416 | 1437 | ||
1417 | static int drm_mode_create_standard_properties(struct drm_device *dev) |
1438 | static int drm_mode_create_standard_properties(struct drm_device *dev) |
1418 | { |
1439 | { |
1419 | struct drm_property *prop; |
1440 | struct drm_property *prop; |
1420 | 1441 | ||
1421 | /* |
1442 | /* |
1422 | * Standard properties (apply to all connectors) |
1443 | * Standard properties (apply to all connectors) |
1423 | */ |
1444 | */ |
1424 | prop = drm_property_create(dev, DRM_MODE_PROP_BLOB | |
1445 | prop = drm_property_create(dev, DRM_MODE_PROP_BLOB | |
1425 | DRM_MODE_PROP_IMMUTABLE, |
1446 | DRM_MODE_PROP_IMMUTABLE, |
1426 | "EDID", 0); |
1447 | "EDID", 0); |
1427 | if (!prop) |
1448 | if (!prop) |
1428 | return -ENOMEM; |
1449 | return -ENOMEM; |
1429 | dev->mode_config.edid_property = prop; |
1450 | dev->mode_config.edid_property = prop; |
1430 | 1451 | ||
1431 | prop = drm_property_create_enum(dev, 0, |
1452 | prop = drm_property_create_enum(dev, 0, |
1432 | "DPMS", drm_dpms_enum_list, |
1453 | "DPMS", drm_dpms_enum_list, |
1433 | ARRAY_SIZE(drm_dpms_enum_list)); |
1454 | ARRAY_SIZE(drm_dpms_enum_list)); |
1434 | if (!prop) |
1455 | if (!prop) |
1435 | return -ENOMEM; |
1456 | return -ENOMEM; |
1436 | dev->mode_config.dpms_property = prop; |
1457 | dev->mode_config.dpms_property = prop; |
1437 | 1458 | ||
1438 | prop = drm_property_create(dev, |
1459 | prop = drm_property_create(dev, |
1439 | DRM_MODE_PROP_BLOB | |
1460 | DRM_MODE_PROP_BLOB | |
1440 | DRM_MODE_PROP_IMMUTABLE, |
1461 | DRM_MODE_PROP_IMMUTABLE, |
1441 | "PATH", 0); |
1462 | "PATH", 0); |
1442 | if (!prop) |
1463 | if (!prop) |
1443 | return -ENOMEM; |
1464 | return -ENOMEM; |
1444 | dev->mode_config.path_property = prop; |
1465 | dev->mode_config.path_property = prop; |
1445 | 1466 | ||
1446 | prop = drm_property_create(dev, |
1467 | prop = drm_property_create(dev, |
1447 | DRM_MODE_PROP_BLOB | |
1468 | DRM_MODE_PROP_BLOB | |
1448 | DRM_MODE_PROP_IMMUTABLE, |
1469 | DRM_MODE_PROP_IMMUTABLE, |
1449 | "TILE", 0); |
1470 | "TILE", 0); |
1450 | if (!prop) |
1471 | if (!prop) |
1451 | return -ENOMEM; |
1472 | return -ENOMEM; |
1452 | dev->mode_config.tile_property = prop; |
1473 | dev->mode_config.tile_property = prop; |
1453 | 1474 | ||
1454 | prop = drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, |
1475 | prop = drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, |
1455 | "type", drm_plane_type_enum_list, |
1476 | "type", drm_plane_type_enum_list, |
1456 | ARRAY_SIZE(drm_plane_type_enum_list)); |
1477 | ARRAY_SIZE(drm_plane_type_enum_list)); |
1457 | if (!prop) |
1478 | if (!prop) |
1458 | return -ENOMEM; |
1479 | return -ENOMEM; |
1459 | dev->mode_config.plane_type_property = prop; |
1480 | dev->mode_config.plane_type_property = prop; |
1460 | 1481 | ||
1461 | prop = drm_property_create_range(dev, DRM_MODE_PROP_ATOMIC, |
1482 | prop = drm_property_create_range(dev, DRM_MODE_PROP_ATOMIC, |
1462 | "SRC_X", 0, UINT_MAX); |
1483 | "SRC_X", 0, UINT_MAX); |
1463 | if (!prop) |
1484 | if (!prop) |
1464 | return -ENOMEM; |
1485 | return -ENOMEM; |
1465 | dev->mode_config.prop_src_x = prop; |
1486 | dev->mode_config.prop_src_x = prop; |
1466 | 1487 | ||
1467 | prop = drm_property_create_range(dev, DRM_MODE_PROP_ATOMIC, |
1488 | prop = drm_property_create_range(dev, DRM_MODE_PROP_ATOMIC, |
1468 | "SRC_Y", 0, UINT_MAX); |
1489 | "SRC_Y", 0, UINT_MAX); |
1469 | if (!prop) |
1490 | if (!prop) |
1470 | return -ENOMEM; |
1491 | return -ENOMEM; |
1471 | dev->mode_config.prop_src_y = prop; |
1492 | dev->mode_config.prop_src_y = prop; |
1472 | 1493 | ||
1473 | prop = drm_property_create_range(dev, DRM_MODE_PROP_ATOMIC, |
1494 | prop = drm_property_create_range(dev, DRM_MODE_PROP_ATOMIC, |
1474 | "SRC_W", 0, UINT_MAX); |
1495 | "SRC_W", 0, UINT_MAX); |
1475 | if (!prop) |
1496 | if (!prop) |
1476 | return -ENOMEM; |
1497 | return -ENOMEM; |
1477 | dev->mode_config.prop_src_w = prop; |
1498 | dev->mode_config.prop_src_w = prop; |
1478 | 1499 | ||
1479 | prop = drm_property_create_range(dev, DRM_MODE_PROP_ATOMIC, |
1500 | prop = drm_property_create_range(dev, DRM_MODE_PROP_ATOMIC, |
1480 | "SRC_H", 0, UINT_MAX); |
1501 | "SRC_H", 0, UINT_MAX); |
1481 | if (!prop) |
1502 | if (!prop) |
1482 | return -ENOMEM; |
1503 | return -ENOMEM; |
1483 | dev->mode_config.prop_src_h = prop; |
1504 | dev->mode_config.prop_src_h = prop; |
1484 | 1505 | ||
1485 | prop = drm_property_create_signed_range(dev, DRM_MODE_PROP_ATOMIC, |
1506 | prop = drm_property_create_signed_range(dev, DRM_MODE_PROP_ATOMIC, |
1486 | "CRTC_X", INT_MIN, INT_MAX); |
1507 | "CRTC_X", INT_MIN, INT_MAX); |
1487 | if (!prop) |
1508 | if (!prop) |
1488 | return -ENOMEM; |
1509 | return -ENOMEM; |
1489 | dev->mode_config.prop_crtc_x = prop; |
1510 | dev->mode_config.prop_crtc_x = prop; |
1490 | 1511 | ||
1491 | prop = drm_property_create_signed_range(dev, DRM_MODE_PROP_ATOMIC, |
1512 | prop = drm_property_create_signed_range(dev, DRM_MODE_PROP_ATOMIC, |
1492 | "CRTC_Y", INT_MIN, INT_MAX); |
1513 | "CRTC_Y", INT_MIN, INT_MAX); |
1493 | if (!prop) |
1514 | if (!prop) |
1494 | return -ENOMEM; |
1515 | return -ENOMEM; |
1495 | dev->mode_config.prop_crtc_y = prop; |
1516 | dev->mode_config.prop_crtc_y = prop; |
1496 | 1517 | ||
1497 | prop = drm_property_create_range(dev, DRM_MODE_PROP_ATOMIC, |
1518 | prop = drm_property_create_range(dev, DRM_MODE_PROP_ATOMIC, |
1498 | "CRTC_W", 0, INT_MAX); |
1519 | "CRTC_W", 0, INT_MAX); |
1499 | if (!prop) |
1520 | if (!prop) |
1500 | return -ENOMEM; |
1521 | return -ENOMEM; |
1501 | dev->mode_config.prop_crtc_w = prop; |
1522 | dev->mode_config.prop_crtc_w = prop; |
1502 | 1523 | ||
1503 | prop = drm_property_create_range(dev, DRM_MODE_PROP_ATOMIC, |
1524 | prop = drm_property_create_range(dev, DRM_MODE_PROP_ATOMIC, |
1504 | "CRTC_H", 0, INT_MAX); |
1525 | "CRTC_H", 0, INT_MAX); |
1505 | if (!prop) |
1526 | if (!prop) |
1506 | return -ENOMEM; |
1527 | return -ENOMEM; |
1507 | dev->mode_config.prop_crtc_h = prop; |
1528 | dev->mode_config.prop_crtc_h = prop; |
1508 | 1529 | ||
1509 | prop = drm_property_create_object(dev, DRM_MODE_PROP_ATOMIC, |
1530 | prop = drm_property_create_object(dev, DRM_MODE_PROP_ATOMIC, |
1510 | "FB_ID", DRM_MODE_OBJECT_FB); |
1531 | "FB_ID", DRM_MODE_OBJECT_FB); |
1511 | if (!prop) |
1532 | if (!prop) |
1512 | return -ENOMEM; |
1533 | return -ENOMEM; |
1513 | dev->mode_config.prop_fb_id = prop; |
1534 | dev->mode_config.prop_fb_id = prop; |
1514 | 1535 | ||
1515 | prop = drm_property_create_object(dev, DRM_MODE_PROP_ATOMIC, |
1536 | prop = drm_property_create_object(dev, DRM_MODE_PROP_ATOMIC, |
1516 | "CRTC_ID", DRM_MODE_OBJECT_CRTC); |
1537 | "CRTC_ID", DRM_MODE_OBJECT_CRTC); |
1517 | if (!prop) |
1538 | if (!prop) |
1518 | return -ENOMEM; |
1539 | return -ENOMEM; |
1519 | dev->mode_config.prop_crtc_id = prop; |
1540 | dev->mode_config.prop_crtc_id = prop; |
1520 | 1541 | ||
1521 | prop = drm_property_create_bool(dev, DRM_MODE_PROP_ATOMIC, |
1542 | prop = drm_property_create_bool(dev, DRM_MODE_PROP_ATOMIC, |
1522 | "ACTIVE"); |
1543 | "ACTIVE"); |
1523 | if (!prop) |
1544 | if (!prop) |
1524 | return -ENOMEM; |
1545 | return -ENOMEM; |
1525 | dev->mode_config.prop_active = prop; |
1546 | dev->mode_config.prop_active = prop; |
1526 | 1547 | ||
1527 | prop = drm_property_create(dev, |
1548 | prop = drm_property_create(dev, |
1528 | DRM_MODE_PROP_ATOMIC | DRM_MODE_PROP_BLOB, |
1549 | DRM_MODE_PROP_ATOMIC | DRM_MODE_PROP_BLOB, |
1529 | "MODE_ID", 0); |
1550 | "MODE_ID", 0); |
1530 | if (!prop) |
1551 | if (!prop) |
1531 | return -ENOMEM; |
1552 | return -ENOMEM; |
1532 | dev->mode_config.prop_mode_id = prop; |
1553 | dev->mode_config.prop_mode_id = prop; |
- | 1554 | ||
- | 1555 | prop = drm_property_create(dev, |
|
- | 1556 | DRM_MODE_PROP_BLOB, |
|
- | 1557 | "DEGAMMA_LUT", 0); |
|
- | 1558 | if (!prop) |
|
- | 1559 | return -ENOMEM; |
|
- | 1560 | dev->mode_config.degamma_lut_property = prop; |
|
- | 1561 | ||
- | 1562 | prop = drm_property_create_range(dev, |
|
- | 1563 | DRM_MODE_PROP_IMMUTABLE, |
|
- | 1564 | "DEGAMMA_LUT_SIZE", 0, UINT_MAX); |
|
- | 1565 | if (!prop) |
|
- | 1566 | return -ENOMEM; |
|
- | 1567 | dev->mode_config.degamma_lut_size_property = prop; |
|
- | 1568 | ||
- | 1569 | prop = drm_property_create(dev, |
|
- | 1570 | DRM_MODE_PROP_BLOB, |
|
- | 1571 | "CTM", 0); |
|
- | 1572 | if (!prop) |
|
- | 1573 | return -ENOMEM; |
|
- | 1574 | dev->mode_config.ctm_property = prop; |
|
- | 1575 | ||
- | 1576 | prop = drm_property_create(dev, |
|
- | 1577 | DRM_MODE_PROP_BLOB, |
|
- | 1578 | "GAMMA_LUT", 0); |
|
- | 1579 | if (!prop) |
|
- | 1580 | return -ENOMEM; |
|
- | 1581 | dev->mode_config.gamma_lut_property = prop; |
|
- | 1582 | ||
- | 1583 | prop = drm_property_create_range(dev, |
|
- | 1584 | DRM_MODE_PROP_IMMUTABLE, |
|
- | 1585 | "GAMMA_LUT_SIZE", 0, UINT_MAX); |
|
- | 1586 | if (!prop) |
|
- | 1587 | return -ENOMEM; |
|
- | 1588 | dev->mode_config.gamma_lut_size_property = prop; |
|
1533 | 1589 | ||
1534 | return 0; |
1590 | return 0; |
1535 | } |
1591 | } |
1536 | 1592 | ||
1537 | /** |
1593 | /** |
1538 | * drm_mode_create_dvi_i_properties - create DVI-I specific connector properties |
1594 | * drm_mode_create_dvi_i_properties - create DVI-I specific connector properties |
1539 | * @dev: DRM device |
1595 | * @dev: DRM device |
1540 | * |
1596 | * |
1541 | * Called by a driver the first time a DVI-I connector is made. |
1597 | * Called by a driver the first time a DVI-I connector is made. |
1542 | */ |
1598 | */ |
1543 | int drm_mode_create_dvi_i_properties(struct drm_device *dev) |
1599 | int drm_mode_create_dvi_i_properties(struct drm_device *dev) |
1544 | { |
1600 | { |
1545 | struct drm_property *dvi_i_selector; |
1601 | struct drm_property *dvi_i_selector; |
1546 | struct drm_property *dvi_i_subconnector; |
1602 | struct drm_property *dvi_i_subconnector; |
1547 | 1603 | ||
1548 | if (dev->mode_config.dvi_i_select_subconnector_property) |
1604 | if (dev->mode_config.dvi_i_select_subconnector_property) |
1549 | return 0; |
1605 | return 0; |
1550 | 1606 | ||
1551 | dvi_i_selector = |
1607 | dvi_i_selector = |
1552 | drm_property_create_enum(dev, 0, |
1608 | drm_property_create_enum(dev, 0, |
1553 | "select subconnector", |
1609 | "select subconnector", |
1554 | drm_dvi_i_select_enum_list, |
1610 | drm_dvi_i_select_enum_list, |
1555 | ARRAY_SIZE(drm_dvi_i_select_enum_list)); |
1611 | ARRAY_SIZE(drm_dvi_i_select_enum_list)); |
1556 | dev->mode_config.dvi_i_select_subconnector_property = dvi_i_selector; |
1612 | dev->mode_config.dvi_i_select_subconnector_property = dvi_i_selector; |
1557 | 1613 | ||
1558 | dvi_i_subconnector = drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, |
1614 | dvi_i_subconnector = drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, |
1559 | "subconnector", |
1615 | "subconnector", |
1560 | drm_dvi_i_subconnector_enum_list, |
1616 | drm_dvi_i_subconnector_enum_list, |
1561 | ARRAY_SIZE(drm_dvi_i_subconnector_enum_list)); |
1617 | ARRAY_SIZE(drm_dvi_i_subconnector_enum_list)); |
1562 | dev->mode_config.dvi_i_subconnector_property = dvi_i_subconnector; |
1618 | dev->mode_config.dvi_i_subconnector_property = dvi_i_subconnector; |
1563 | 1619 | ||
1564 | return 0; |
1620 | return 0; |
1565 | } |
1621 | } |
1566 | EXPORT_SYMBOL(drm_mode_create_dvi_i_properties); |
1622 | EXPORT_SYMBOL(drm_mode_create_dvi_i_properties); |
1567 | 1623 | ||
1568 | /** |
1624 | /** |
1569 | * drm_create_tv_properties - create TV specific connector properties |
1625 | * drm_create_tv_properties - create TV specific connector properties |
1570 | * @dev: DRM device |
1626 | * @dev: DRM device |
1571 | * @num_modes: number of different TV formats (modes) supported |
1627 | * @num_modes: number of different TV formats (modes) supported |
1572 | * @modes: array of pointers to strings containing name of each format |
1628 | * @modes: array of pointers to strings containing name of each format |
1573 | * |
1629 | * |
1574 | * Called by a driver's TV initialization routine, this function creates |
1630 | * Called by a driver's TV initialization routine, this function creates |
1575 | * the TV specific connector properties for a given device. Caller is |
1631 | * the TV specific connector properties for a given device. Caller is |
1576 | * responsible for allocating a list of format names and passing them to |
1632 | * responsible for allocating a list of format names and passing them to |
1577 | * this routine. |
1633 | * this routine. |
1578 | */ |
1634 | */ |
1579 | int drm_mode_create_tv_properties(struct drm_device *dev, |
1635 | int drm_mode_create_tv_properties(struct drm_device *dev, |
1580 | unsigned int num_modes, |
1636 | unsigned int num_modes, |
1581 | const char * const modes[]) |
1637 | const char * const modes[]) |
1582 | { |
1638 | { |
1583 | struct drm_property *tv_selector; |
1639 | struct drm_property *tv_selector; |
1584 | struct drm_property *tv_subconnector; |
1640 | struct drm_property *tv_subconnector; |
1585 | unsigned int i; |
1641 | unsigned int i; |
1586 | 1642 | ||
1587 | if (dev->mode_config.tv_select_subconnector_property) |
1643 | if (dev->mode_config.tv_select_subconnector_property) |
1588 | return 0; |
1644 | return 0; |
1589 | 1645 | ||
1590 | /* |
1646 | /* |
1591 | * Basic connector properties |
1647 | * Basic connector properties |
1592 | */ |
1648 | */ |
1593 | tv_selector = drm_property_create_enum(dev, 0, |
1649 | tv_selector = drm_property_create_enum(dev, 0, |
1594 | "select subconnector", |
1650 | "select subconnector", |
1595 | drm_tv_select_enum_list, |
1651 | drm_tv_select_enum_list, |
1596 | ARRAY_SIZE(drm_tv_select_enum_list)); |
1652 | ARRAY_SIZE(drm_tv_select_enum_list)); |
1597 | if (!tv_selector) |
1653 | if (!tv_selector) |
1598 | goto nomem; |
1654 | goto nomem; |
1599 | 1655 | ||
1600 | dev->mode_config.tv_select_subconnector_property = tv_selector; |
1656 | dev->mode_config.tv_select_subconnector_property = tv_selector; |
1601 | 1657 | ||
1602 | tv_subconnector = |
1658 | tv_subconnector = |
1603 | drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, |
1659 | drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, |
1604 | "subconnector", |
1660 | "subconnector", |
1605 | drm_tv_subconnector_enum_list, |
1661 | drm_tv_subconnector_enum_list, |
1606 | ARRAY_SIZE(drm_tv_subconnector_enum_list)); |
1662 | ARRAY_SIZE(drm_tv_subconnector_enum_list)); |
1607 | if (!tv_subconnector) |
1663 | if (!tv_subconnector) |
1608 | goto nomem; |
1664 | goto nomem; |
1609 | dev->mode_config.tv_subconnector_property = tv_subconnector; |
1665 | dev->mode_config.tv_subconnector_property = tv_subconnector; |
1610 | 1666 | ||
1611 | /* |
1667 | /* |
1612 | * Other, TV specific properties: margins & TV modes. |
1668 | * Other, TV specific properties: margins & TV modes. |
1613 | */ |
1669 | */ |
1614 | dev->mode_config.tv_left_margin_property = |
1670 | dev->mode_config.tv_left_margin_property = |
1615 | drm_property_create_range(dev, 0, "left margin", 0, 100); |
1671 | drm_property_create_range(dev, 0, "left margin", 0, 100); |
1616 | if (!dev->mode_config.tv_left_margin_property) |
1672 | if (!dev->mode_config.tv_left_margin_property) |
1617 | goto nomem; |
1673 | goto nomem; |
1618 | 1674 | ||
1619 | dev->mode_config.tv_right_margin_property = |
1675 | dev->mode_config.tv_right_margin_property = |
1620 | drm_property_create_range(dev, 0, "right margin", 0, 100); |
1676 | drm_property_create_range(dev, 0, "right margin", 0, 100); |
1621 | if (!dev->mode_config.tv_right_margin_property) |
1677 | if (!dev->mode_config.tv_right_margin_property) |
1622 | goto nomem; |
1678 | goto nomem; |
1623 | 1679 | ||
1624 | dev->mode_config.tv_top_margin_property = |
1680 | dev->mode_config.tv_top_margin_property = |
1625 | drm_property_create_range(dev, 0, "top margin", 0, 100); |
1681 | drm_property_create_range(dev, 0, "top margin", 0, 100); |
1626 | if (!dev->mode_config.tv_top_margin_property) |
1682 | if (!dev->mode_config.tv_top_margin_property) |
1627 | goto nomem; |
1683 | goto nomem; |
1628 | 1684 | ||
1629 | dev->mode_config.tv_bottom_margin_property = |
1685 | dev->mode_config.tv_bottom_margin_property = |
1630 | drm_property_create_range(dev, 0, "bottom margin", 0, 100); |
1686 | drm_property_create_range(dev, 0, "bottom margin", 0, 100); |
1631 | if (!dev->mode_config.tv_bottom_margin_property) |
1687 | if (!dev->mode_config.tv_bottom_margin_property) |
1632 | goto nomem; |
1688 | goto nomem; |
1633 | 1689 | ||
1634 | dev->mode_config.tv_mode_property = |
1690 | dev->mode_config.tv_mode_property = |
1635 | drm_property_create(dev, DRM_MODE_PROP_ENUM, |
1691 | drm_property_create(dev, DRM_MODE_PROP_ENUM, |
1636 | "mode", num_modes); |
1692 | "mode", num_modes); |
1637 | if (!dev->mode_config.tv_mode_property) |
1693 | if (!dev->mode_config.tv_mode_property) |
1638 | goto nomem; |
1694 | goto nomem; |
1639 | 1695 | ||
1640 | for (i = 0; i < num_modes; i++) |
1696 | for (i = 0; i < num_modes; i++) |
1641 | drm_property_add_enum(dev->mode_config.tv_mode_property, i, |
1697 | drm_property_add_enum(dev->mode_config.tv_mode_property, i, |
1642 | i, modes[i]); |
1698 | i, modes[i]); |
1643 | 1699 | ||
1644 | dev->mode_config.tv_brightness_property = |
1700 | dev->mode_config.tv_brightness_property = |
1645 | drm_property_create_range(dev, 0, "brightness", 0, 100); |
1701 | drm_property_create_range(dev, 0, "brightness", 0, 100); |
1646 | if (!dev->mode_config.tv_brightness_property) |
1702 | if (!dev->mode_config.tv_brightness_property) |
1647 | goto nomem; |
1703 | goto nomem; |
1648 | 1704 | ||
1649 | dev->mode_config.tv_contrast_property = |
1705 | dev->mode_config.tv_contrast_property = |
1650 | drm_property_create_range(dev, 0, "contrast", 0, 100); |
1706 | drm_property_create_range(dev, 0, "contrast", 0, 100); |
1651 | if (!dev->mode_config.tv_contrast_property) |
1707 | if (!dev->mode_config.tv_contrast_property) |
1652 | goto nomem; |
1708 | goto nomem; |
1653 | 1709 | ||
1654 | dev->mode_config.tv_flicker_reduction_property = |
1710 | dev->mode_config.tv_flicker_reduction_property = |
1655 | drm_property_create_range(dev, 0, "flicker reduction", 0, 100); |
1711 | drm_property_create_range(dev, 0, "flicker reduction", 0, 100); |
1656 | if (!dev->mode_config.tv_flicker_reduction_property) |
1712 | if (!dev->mode_config.tv_flicker_reduction_property) |
1657 | goto nomem; |
1713 | goto nomem; |
1658 | 1714 | ||
1659 | dev->mode_config.tv_overscan_property = |
1715 | dev->mode_config.tv_overscan_property = |
1660 | drm_property_create_range(dev, 0, "overscan", 0, 100); |
1716 | drm_property_create_range(dev, 0, "overscan", 0, 100); |
1661 | if (!dev->mode_config.tv_overscan_property) |
1717 | if (!dev->mode_config.tv_overscan_property) |
1662 | goto nomem; |
1718 | goto nomem; |
1663 | 1719 | ||
1664 | dev->mode_config.tv_saturation_property = |
1720 | dev->mode_config.tv_saturation_property = |
1665 | drm_property_create_range(dev, 0, "saturation", 0, 100); |
1721 | drm_property_create_range(dev, 0, "saturation", 0, 100); |
1666 | if (!dev->mode_config.tv_saturation_property) |
1722 | if (!dev->mode_config.tv_saturation_property) |
1667 | goto nomem; |
1723 | goto nomem; |
1668 | 1724 | ||
1669 | dev->mode_config.tv_hue_property = |
1725 | dev->mode_config.tv_hue_property = |
1670 | drm_property_create_range(dev, 0, "hue", 0, 100); |
1726 | drm_property_create_range(dev, 0, "hue", 0, 100); |
1671 | if (!dev->mode_config.tv_hue_property) |
1727 | if (!dev->mode_config.tv_hue_property) |
1672 | goto nomem; |
1728 | goto nomem; |
1673 | 1729 | ||
1674 | return 0; |
1730 | return 0; |
1675 | nomem: |
1731 | nomem: |
1676 | return -ENOMEM; |
1732 | return -ENOMEM; |
1677 | } |
1733 | } |
1678 | EXPORT_SYMBOL(drm_mode_create_tv_properties); |
1734 | EXPORT_SYMBOL(drm_mode_create_tv_properties); |
1679 | 1735 | ||
1680 | /** |
1736 | /** |
1681 | * drm_mode_create_scaling_mode_property - create scaling mode property |
1737 | * drm_mode_create_scaling_mode_property - create scaling mode property |
1682 | * @dev: DRM device |
1738 | * @dev: DRM device |
1683 | * |
1739 | * |
1684 | * Called by a driver the first time it's needed, must be attached to desired |
1740 | * Called by a driver the first time it's needed, must be attached to desired |
1685 | * connectors. |
1741 | * connectors. |
1686 | */ |
1742 | */ |
1687 | int drm_mode_create_scaling_mode_property(struct drm_device *dev) |
1743 | int drm_mode_create_scaling_mode_property(struct drm_device *dev) |
1688 | { |
1744 | { |
1689 | struct drm_property *scaling_mode; |
1745 | struct drm_property *scaling_mode; |
1690 | 1746 | ||
1691 | if (dev->mode_config.scaling_mode_property) |
1747 | if (dev->mode_config.scaling_mode_property) |
1692 | return 0; |
1748 | return 0; |
1693 | 1749 | ||
1694 | scaling_mode = |
1750 | scaling_mode = |
1695 | drm_property_create_enum(dev, 0, "scaling mode", |
1751 | drm_property_create_enum(dev, 0, "scaling mode", |
1696 | drm_scaling_mode_enum_list, |
1752 | drm_scaling_mode_enum_list, |
1697 | ARRAY_SIZE(drm_scaling_mode_enum_list)); |
1753 | ARRAY_SIZE(drm_scaling_mode_enum_list)); |
1698 | 1754 | ||
1699 | dev->mode_config.scaling_mode_property = scaling_mode; |
1755 | dev->mode_config.scaling_mode_property = scaling_mode; |
1700 | 1756 | ||
1701 | return 0; |
1757 | return 0; |
1702 | } |
1758 | } |
1703 | EXPORT_SYMBOL(drm_mode_create_scaling_mode_property); |
1759 | EXPORT_SYMBOL(drm_mode_create_scaling_mode_property); |
1704 | 1760 | ||
1705 | /** |
1761 | /** |
1706 | * drm_mode_create_aspect_ratio_property - create aspect ratio property |
1762 | * drm_mode_create_aspect_ratio_property - create aspect ratio property |
1707 | * @dev: DRM device |
1763 | * @dev: DRM device |
1708 | * |
1764 | * |
1709 | * Called by a driver the first time it's needed, must be attached to desired |
1765 | * Called by a driver the first time it's needed, must be attached to desired |
1710 | * connectors. |
1766 | * connectors. |
1711 | * |
1767 | * |
1712 | * Returns: |
1768 | * Returns: |
1713 | * Zero on success, negative errno on failure. |
1769 | * Zero on success, negative errno on failure. |
1714 | */ |
1770 | */ |
1715 | int drm_mode_create_aspect_ratio_property(struct drm_device *dev) |
1771 | int drm_mode_create_aspect_ratio_property(struct drm_device *dev) |
1716 | { |
1772 | { |
1717 | if (dev->mode_config.aspect_ratio_property) |
1773 | if (dev->mode_config.aspect_ratio_property) |
1718 | return 0; |
1774 | return 0; |
1719 | 1775 | ||
1720 | dev->mode_config.aspect_ratio_property = |
1776 | dev->mode_config.aspect_ratio_property = |
1721 | drm_property_create_enum(dev, 0, "aspect ratio", |
1777 | drm_property_create_enum(dev, 0, "aspect ratio", |
1722 | drm_aspect_ratio_enum_list, |
1778 | drm_aspect_ratio_enum_list, |
1723 | ARRAY_SIZE(drm_aspect_ratio_enum_list)); |
1779 | ARRAY_SIZE(drm_aspect_ratio_enum_list)); |
1724 | 1780 | ||
1725 | if (dev->mode_config.aspect_ratio_property == NULL) |
1781 | if (dev->mode_config.aspect_ratio_property == NULL) |
1726 | return -ENOMEM; |
1782 | return -ENOMEM; |
1727 | 1783 | ||
1728 | return 0; |
1784 | return 0; |
1729 | } |
1785 | } |
1730 | EXPORT_SYMBOL(drm_mode_create_aspect_ratio_property); |
1786 | EXPORT_SYMBOL(drm_mode_create_aspect_ratio_property); |
1731 | 1787 | ||
1732 | /** |
1788 | /** |
1733 | * drm_mode_create_dirty_property - create dirty property |
1789 | * drm_mode_create_dirty_property - create dirty property |
1734 | * @dev: DRM device |
1790 | * @dev: DRM device |
1735 | * |
1791 | * |
1736 | * Called by a driver the first time it's needed, must be attached to desired |
1792 | * Called by a driver the first time it's needed, must be attached to desired |
1737 | * connectors. |
1793 | * connectors. |
1738 | */ |
1794 | */ |
1739 | int drm_mode_create_dirty_info_property(struct drm_device *dev) |
1795 | int drm_mode_create_dirty_info_property(struct drm_device *dev) |
1740 | { |
1796 | { |
1741 | struct drm_property *dirty_info; |
1797 | struct drm_property *dirty_info; |
1742 | 1798 | ||
1743 | if (dev->mode_config.dirty_info_property) |
1799 | if (dev->mode_config.dirty_info_property) |
1744 | return 0; |
1800 | return 0; |
1745 | 1801 | ||
1746 | dirty_info = |
1802 | dirty_info = |
1747 | drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, |
1803 | drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, |
1748 | "dirty", |
1804 | "dirty", |
1749 | drm_dirty_info_enum_list, |
1805 | drm_dirty_info_enum_list, |
1750 | ARRAY_SIZE(drm_dirty_info_enum_list)); |
1806 | ARRAY_SIZE(drm_dirty_info_enum_list)); |
1751 | dev->mode_config.dirty_info_property = dirty_info; |
1807 | dev->mode_config.dirty_info_property = dirty_info; |
1752 | 1808 | ||
1753 | return 0; |
1809 | return 0; |
1754 | } |
1810 | } |
1755 | EXPORT_SYMBOL(drm_mode_create_dirty_info_property); |
1811 | EXPORT_SYMBOL(drm_mode_create_dirty_info_property); |
1756 | 1812 | ||
1757 | /** |
1813 | /** |
1758 | * drm_mode_create_suggested_offset_properties - create suggests offset properties |
1814 | * drm_mode_create_suggested_offset_properties - create suggests offset properties |
1759 | * @dev: DRM device |
1815 | * @dev: DRM device |
1760 | * |
1816 | * |
1761 | * Create the the suggested x/y offset property for connectors. |
1817 | * Create the the suggested x/y offset property for connectors. |
1762 | */ |
1818 | */ |
1763 | int drm_mode_create_suggested_offset_properties(struct drm_device *dev) |
1819 | int drm_mode_create_suggested_offset_properties(struct drm_device *dev) |
1764 | { |
1820 | { |
1765 | if (dev->mode_config.suggested_x_property && dev->mode_config.suggested_y_property) |
1821 | if (dev->mode_config.suggested_x_property && dev->mode_config.suggested_y_property) |
1766 | return 0; |
1822 | return 0; |
1767 | 1823 | ||
1768 | dev->mode_config.suggested_x_property = |
1824 | dev->mode_config.suggested_x_property = |
1769 | drm_property_create_range(dev, DRM_MODE_PROP_IMMUTABLE, "suggested X", 0, 0xffffffff); |
1825 | drm_property_create_range(dev, DRM_MODE_PROP_IMMUTABLE, "suggested X", 0, 0xffffffff); |
1770 | 1826 | ||
1771 | dev->mode_config.suggested_y_property = |
1827 | dev->mode_config.suggested_y_property = |
1772 | drm_property_create_range(dev, DRM_MODE_PROP_IMMUTABLE, "suggested Y", 0, 0xffffffff); |
1828 | drm_property_create_range(dev, DRM_MODE_PROP_IMMUTABLE, "suggested Y", 0, 0xffffffff); |
1773 | 1829 | ||
1774 | if (dev->mode_config.suggested_x_property == NULL || |
1830 | if (dev->mode_config.suggested_x_property == NULL || |
1775 | dev->mode_config.suggested_y_property == NULL) |
1831 | dev->mode_config.suggested_y_property == NULL) |
1776 | return -ENOMEM; |
1832 | return -ENOMEM; |
1777 | return 0; |
1833 | return 0; |
1778 | } |
1834 | } |
1779 | EXPORT_SYMBOL(drm_mode_create_suggested_offset_properties); |
1835 | EXPORT_SYMBOL(drm_mode_create_suggested_offset_properties); |
1780 | 1836 | ||
1781 | #if 0 |
1837 | #if 0 |
1782 | /** |
1838 | /** |
1783 | * drm_mode_getresources - get graphics configuration |
1839 | * drm_mode_getresources - get graphics configuration |
1784 | * @dev: drm device for the ioctl |
1840 | * @dev: drm device for the ioctl |
1785 | * @data: data pointer for the ioctl |
1841 | * @data: data pointer for the ioctl |
1786 | * @file_priv: drm file for the ioctl call |
1842 | * @file_priv: drm file for the ioctl call |
1787 | * |
1843 | * |
1788 | * Construct a set of configuration description structures and return |
1844 | * Construct a set of configuration description structures and return |
1789 | * them to the user, including CRTC, connector and framebuffer configuration. |
1845 | * them to the user, including CRTC, connector and framebuffer configuration. |
1790 | * |
1846 | * |
1791 | * Called by the user via ioctl. |
1847 | * Called by the user via ioctl. |
1792 | * |
1848 | * |
1793 | * Returns: |
1849 | * Returns: |
1794 | * Zero on success, negative errno on failure. |
1850 | * Zero on success, negative errno on failure. |
1795 | */ |
1851 | */ |
1796 | int drm_mode_getresources(struct drm_device *dev, void *data, |
1852 | int drm_mode_getresources(struct drm_device *dev, void *data, |
1797 | struct drm_file *file_priv) |
1853 | struct drm_file *file_priv) |
1798 | { |
1854 | { |
1799 | struct drm_mode_card_res *card_res = data; |
1855 | struct drm_mode_card_res *card_res = data; |
1800 | struct list_head *lh; |
1856 | struct list_head *lh; |
1801 | struct drm_framebuffer *fb; |
1857 | struct drm_framebuffer *fb; |
1802 | struct drm_connector *connector; |
1858 | struct drm_connector *connector; |
1803 | struct drm_crtc *crtc; |
1859 | struct drm_crtc *crtc; |
1804 | struct drm_encoder *encoder; |
1860 | struct drm_encoder *encoder; |
1805 | int ret = 0; |
1861 | int ret = 0; |
1806 | int connector_count = 0; |
1862 | int connector_count = 0; |
1807 | int crtc_count = 0; |
1863 | int crtc_count = 0; |
1808 | int fb_count = 0; |
1864 | int fb_count = 0; |
1809 | int encoder_count = 0; |
1865 | int encoder_count = 0; |
1810 | int copied = 0; |
1866 | int copied = 0; |
1811 | uint32_t __user *fb_id; |
1867 | uint32_t __user *fb_id; |
1812 | uint32_t __user *crtc_id; |
1868 | uint32_t __user *crtc_id; |
1813 | uint32_t __user *connector_id; |
1869 | uint32_t __user *connector_id; |
1814 | uint32_t __user *encoder_id; |
1870 | uint32_t __user *encoder_id; |
1815 | 1871 | ||
1816 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1872 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1817 | return -EINVAL; |
1873 | return -EINVAL; |
1818 | 1874 | ||
1819 | 1875 | ||
1820 | mutex_lock(&file_priv->fbs_lock); |
1876 | mutex_lock(&file_priv->fbs_lock); |
1821 | /* |
1877 | /* |
1822 | * For the non-control nodes we need to limit the list of resources |
1878 | * For the non-control nodes we need to limit the list of resources |
1823 | * by IDs in the group list for this node |
1879 | * by IDs in the group list for this node |
1824 | */ |
1880 | */ |
1825 | list_for_each(lh, &file_priv->fbs) |
1881 | list_for_each(lh, &file_priv->fbs) |
1826 | fb_count++; |
1882 | fb_count++; |
1827 | 1883 | ||
1828 | /* handle this in 4 parts */ |
1884 | /* handle this in 4 parts */ |
1829 | /* FBs */ |
1885 | /* FBs */ |
1830 | if (card_res->count_fbs >= fb_count) { |
1886 | if (card_res->count_fbs >= fb_count) { |
1831 | copied = 0; |
1887 | copied = 0; |
1832 | fb_id = (uint32_t __user *)(unsigned long)card_res->fb_id_ptr; |
1888 | fb_id = (uint32_t __user *)(unsigned long)card_res->fb_id_ptr; |
1833 | list_for_each_entry(fb, &file_priv->fbs, filp_head) { |
1889 | list_for_each_entry(fb, &file_priv->fbs, filp_head) { |
1834 | if (put_user(fb->base.id, fb_id + copied)) { |
1890 | if (put_user(fb->base.id, fb_id + copied)) { |
1835 | mutex_unlock(&file_priv->fbs_lock); |
1891 | mutex_unlock(&file_priv->fbs_lock); |
1836 | return -EFAULT; |
1892 | return -EFAULT; |
1837 | } |
1893 | } |
1838 | copied++; |
1894 | copied++; |
1839 | } |
1895 | } |
1840 | } |
1896 | } |
1841 | card_res->count_fbs = fb_count; |
1897 | card_res->count_fbs = fb_count; |
1842 | mutex_unlock(&file_priv->fbs_lock); |
1898 | mutex_unlock(&file_priv->fbs_lock); |
1843 | 1899 | ||
1844 | /* mode_config.mutex protects the connector list against e.g. DP MST |
1900 | /* mode_config.mutex protects the connector list against e.g. DP MST |
1845 | * connector hot-adding. CRTC/Plane lists are invariant. */ |
1901 | * connector hot-adding. CRTC/Plane lists are invariant. */ |
1846 | mutex_lock(&dev->mode_config.mutex); |
1902 | mutex_lock(&dev->mode_config.mutex); |
1847 | drm_for_each_crtc(crtc, dev) |
1903 | drm_for_each_crtc(crtc, dev) |
1848 | crtc_count++; |
1904 | crtc_count++; |
1849 | 1905 | ||
1850 | drm_for_each_connector(connector, dev) |
1906 | drm_for_each_connector(connector, dev) |
1851 | connector_count++; |
1907 | connector_count++; |
1852 | 1908 | ||
1853 | drm_for_each_encoder(encoder, dev) |
1909 | drm_for_each_encoder(encoder, dev) |
1854 | encoder_count++; |
1910 | encoder_count++; |
1855 | 1911 | ||
1856 | card_res->max_height = dev->mode_config.max_height; |
1912 | card_res->max_height = dev->mode_config.max_height; |
1857 | card_res->min_height = dev->mode_config.min_height; |
1913 | card_res->min_height = dev->mode_config.min_height; |
1858 | card_res->max_width = dev->mode_config.max_width; |
1914 | card_res->max_width = dev->mode_config.max_width; |
1859 | card_res->min_width = dev->mode_config.min_width; |
1915 | card_res->min_width = dev->mode_config.min_width; |
1860 | 1916 | ||
1861 | /* CRTCs */ |
1917 | /* CRTCs */ |
1862 | if (card_res->count_crtcs >= crtc_count) { |
1918 | if (card_res->count_crtcs >= crtc_count) { |
1863 | copied = 0; |
1919 | copied = 0; |
1864 | crtc_id = (uint32_t __user *)(unsigned long)card_res->crtc_id_ptr; |
1920 | crtc_id = (uint32_t __user *)(unsigned long)card_res->crtc_id_ptr; |
1865 | drm_for_each_crtc(crtc, dev) { |
1921 | drm_for_each_crtc(crtc, dev) { |
1866 | DRM_DEBUG_KMS("[CRTC:%d:%s]\n", |
1922 | DRM_DEBUG_KMS("[CRTC:%d:%s]\n", |
1867 | crtc->base.id, crtc->name); |
1923 | crtc->base.id, crtc->name); |
1868 | if (put_user(crtc->base.id, crtc_id + copied)) { |
1924 | if (put_user(crtc->base.id, crtc_id + copied)) { |
1869 | ret = -EFAULT; |
1925 | ret = -EFAULT; |
1870 | goto out; |
1926 | goto out; |
1871 | } |
1927 | } |
1872 | copied++; |
1928 | copied++; |
1873 | } |
1929 | } |
1874 | } |
1930 | } |
1875 | card_res->count_crtcs = crtc_count; |
1931 | card_res->count_crtcs = crtc_count; |
1876 | 1932 | ||
1877 | /* Encoders */ |
1933 | /* Encoders */ |
1878 | if (card_res->count_encoders >= encoder_count) { |
1934 | if (card_res->count_encoders >= encoder_count) { |
1879 | copied = 0; |
1935 | copied = 0; |
1880 | encoder_id = (uint32_t __user *)(unsigned long)card_res->encoder_id_ptr; |
1936 | encoder_id = (uint32_t __user *)(unsigned long)card_res->encoder_id_ptr; |
1881 | drm_for_each_encoder(encoder, dev) { |
1937 | drm_for_each_encoder(encoder, dev) { |
1882 | DRM_DEBUG_KMS("[ENCODER:%d:%s]\n", encoder->base.id, |
1938 | DRM_DEBUG_KMS("[ENCODER:%d:%s]\n", encoder->base.id, |
1883 | encoder->name); |
1939 | encoder->name); |
1884 | if (put_user(encoder->base.id, encoder_id + |
1940 | if (put_user(encoder->base.id, encoder_id + |
1885 | copied)) { |
1941 | copied)) { |
1886 | ret = -EFAULT; |
1942 | ret = -EFAULT; |
1887 | goto out; |
1943 | goto out; |
1888 | } |
1944 | } |
1889 | copied++; |
1945 | copied++; |
1890 | } |
1946 | } |
1891 | } |
1947 | } |
1892 | card_res->count_encoders = encoder_count; |
1948 | card_res->count_encoders = encoder_count; |
1893 | 1949 | ||
1894 | /* Connectors */ |
1950 | /* Connectors */ |
1895 | if (card_res->count_connectors >= connector_count) { |
1951 | if (card_res->count_connectors >= connector_count) { |
1896 | copied = 0; |
1952 | copied = 0; |
1897 | connector_id = (uint32_t __user *)(unsigned long)card_res->connector_id_ptr; |
1953 | connector_id = (uint32_t __user *)(unsigned long)card_res->connector_id_ptr; |
1898 | drm_for_each_connector(connector, dev) { |
1954 | drm_for_each_connector(connector, dev) { |
1899 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", |
1955 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", |
1900 | connector->base.id, |
1956 | connector->base.id, |
1901 | connector->name); |
1957 | connector->name); |
1902 | if (put_user(connector->base.id, |
1958 | if (put_user(connector->base.id, |
1903 | connector_id + copied)) { |
1959 | connector_id + copied)) { |
1904 | ret = -EFAULT; |
1960 | ret = -EFAULT; |
1905 | goto out; |
1961 | goto out; |
1906 | } |
1962 | } |
1907 | copied++; |
1963 | copied++; |
1908 | } |
1964 | } |
1909 | } |
1965 | } |
1910 | card_res->count_connectors = connector_count; |
1966 | card_res->count_connectors = connector_count; |
1911 | 1967 | ||
1912 | DRM_DEBUG_KMS("CRTC[%d] CONNECTORS[%d] ENCODERS[%d]\n", card_res->count_crtcs, |
1968 | DRM_DEBUG_KMS("CRTC[%d] CONNECTORS[%d] ENCODERS[%d]\n", card_res->count_crtcs, |
1913 | card_res->count_connectors, card_res->count_encoders); |
1969 | card_res->count_connectors, card_res->count_encoders); |
1914 | 1970 | ||
1915 | out: |
1971 | out: |
1916 | mutex_unlock(&dev->mode_config.mutex); |
1972 | mutex_unlock(&dev->mode_config.mutex); |
1917 | return ret; |
1973 | return ret; |
1918 | } |
1974 | } |
1919 | 1975 | ||
1920 | /** |
1976 | /** |
1921 | * drm_mode_getcrtc - get CRTC configuration |
1977 | * drm_mode_getcrtc - get CRTC configuration |
1922 | * @dev: drm device for the ioctl |
1978 | * @dev: drm device for the ioctl |
1923 | * @data: data pointer for the ioctl |
1979 | * @data: data pointer for the ioctl |
1924 | * @file_priv: drm file for the ioctl call |
1980 | * @file_priv: drm file for the ioctl call |
1925 | * |
1981 | * |
1926 | * Construct a CRTC configuration structure to return to the user. |
1982 | * Construct a CRTC configuration structure to return to the user. |
1927 | * |
1983 | * |
1928 | * Called by the user via ioctl. |
1984 | * Called by the user via ioctl. |
1929 | * |
1985 | * |
1930 | * Returns: |
1986 | * Returns: |
1931 | * Zero on success, negative errno on failure. |
1987 | * Zero on success, negative errno on failure. |
1932 | */ |
1988 | */ |
1933 | int drm_mode_getcrtc(struct drm_device *dev, |
1989 | int drm_mode_getcrtc(struct drm_device *dev, |
1934 | void *data, struct drm_file *file_priv) |
1990 | void *data, struct drm_file *file_priv) |
1935 | { |
1991 | { |
1936 | struct drm_mode_crtc *crtc_resp = data; |
1992 | struct drm_mode_crtc *crtc_resp = data; |
1937 | struct drm_crtc *crtc; |
1993 | struct drm_crtc *crtc; |
1938 | 1994 | ||
1939 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1995 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1940 | return -EINVAL; |
1996 | return -EINVAL; |
1941 | 1997 | ||
1942 | crtc = drm_crtc_find(dev, crtc_resp->crtc_id); |
1998 | crtc = drm_crtc_find(dev, crtc_resp->crtc_id); |
1943 | if (!crtc) |
1999 | if (!crtc) |
1944 | return -ENOENT; |
2000 | return -ENOENT; |
1945 | 2001 | ||
1946 | drm_modeset_lock_crtc(crtc, crtc->primary); |
2002 | drm_modeset_lock_crtc(crtc, crtc->primary); |
1947 | crtc_resp->gamma_size = crtc->gamma_size; |
2003 | crtc_resp->gamma_size = crtc->gamma_size; |
1948 | if (crtc->primary->fb) |
2004 | if (crtc->primary->fb) |
1949 | crtc_resp->fb_id = crtc->primary->fb->base.id; |
2005 | crtc_resp->fb_id = crtc->primary->fb->base.id; |
1950 | else |
2006 | else |
1951 | crtc_resp->fb_id = 0; |
2007 | crtc_resp->fb_id = 0; |
1952 | 2008 | ||
1953 | if (crtc->state) { |
2009 | if (crtc->state) { |
1954 | crtc_resp->x = crtc->primary->state->src_x >> 16; |
2010 | crtc_resp->x = crtc->primary->state->src_x >> 16; |
1955 | crtc_resp->y = crtc->primary->state->src_y >> 16; |
2011 | crtc_resp->y = crtc->primary->state->src_y >> 16; |
1956 | if (crtc->state->enable) { |
2012 | if (crtc->state->enable) { |
1957 | drm_mode_convert_to_umode(&crtc_resp->mode, &crtc->state->mode); |
2013 | drm_mode_convert_to_umode(&crtc_resp->mode, &crtc->state->mode); |
1958 | crtc_resp->mode_valid = 1; |
2014 | crtc_resp->mode_valid = 1; |
1959 | 2015 | ||
1960 | } else { |
2016 | } else { |
1961 | crtc_resp->mode_valid = 0; |
2017 | crtc_resp->mode_valid = 0; |
1962 | } |
2018 | } |
1963 | } else { |
2019 | } else { |
1964 | crtc_resp->x = crtc->x; |
2020 | crtc_resp->x = crtc->x; |
1965 | crtc_resp->y = crtc->y; |
2021 | crtc_resp->y = crtc->y; |
1966 | if (crtc->enabled) { |
2022 | if (crtc->enabled) { |
1967 | drm_mode_convert_to_umode(&crtc_resp->mode, &crtc->mode); |
2023 | drm_mode_convert_to_umode(&crtc_resp->mode, &crtc->mode); |
1968 | crtc_resp->mode_valid = 1; |
2024 | crtc_resp->mode_valid = 1; |
1969 | 2025 | ||
1970 | } else { |
2026 | } else { |
1971 | crtc_resp->mode_valid = 0; |
2027 | crtc_resp->mode_valid = 0; |
1972 | } |
2028 | } |
1973 | } |
2029 | } |
1974 | drm_modeset_unlock_crtc(crtc); |
2030 | drm_modeset_unlock_crtc(crtc); |
1975 | 2031 | ||
1976 | return 0; |
2032 | return 0; |
1977 | } |
2033 | } |
1978 | 2034 | ||
1979 | static bool drm_mode_expose_to_userspace(const struct drm_display_mode *mode, |
2035 | static bool drm_mode_expose_to_userspace(const struct drm_display_mode *mode, |
1980 | const struct drm_file *file_priv) |
2036 | const struct drm_file *file_priv) |
1981 | { |
2037 | { |
1982 | /* |
2038 | /* |
1983 | * If user-space hasn't configured the driver to expose the stereo 3D |
2039 | * If user-space hasn't configured the driver to expose the stereo 3D |
1984 | * modes, don't expose them. |
2040 | * modes, don't expose them. |
1985 | */ |
2041 | */ |
1986 | if (!file_priv->stereo_allowed && drm_mode_is_stereo(mode)) |
2042 | if (!file_priv->stereo_allowed && drm_mode_is_stereo(mode)) |
1987 | return false; |
2043 | return false; |
1988 | 2044 | ||
1989 | return true; |
2045 | return true; |
1990 | } |
2046 | } |
1991 | 2047 | ||
1992 | static struct drm_encoder *drm_connector_get_encoder(struct drm_connector *connector) |
2048 | static struct drm_encoder *drm_connector_get_encoder(struct drm_connector *connector) |
1993 | { |
2049 | { |
1994 | /* For atomic drivers only state objects are synchronously updated and |
2050 | /* For atomic drivers only state objects are synchronously updated and |
1995 | * protected by modeset locks, so check those first. */ |
2051 | * protected by modeset locks, so check those first. */ |
1996 | if (connector->state) |
2052 | if (connector->state) |
1997 | return connector->state->best_encoder; |
2053 | return connector->state->best_encoder; |
1998 | return connector->encoder; |
2054 | return connector->encoder; |
1999 | } |
2055 | } |
2000 | 2056 | ||
2001 | /* helper for getconnector and getproperties ioctls */ |
2057 | /* helper for getconnector and getproperties ioctls */ |
2002 | static int get_properties(struct drm_mode_object *obj, bool atomic, |
2058 | static int get_properties(struct drm_mode_object *obj, bool atomic, |
2003 | uint32_t __user *prop_ptr, uint64_t __user *prop_values, |
2059 | uint32_t __user *prop_ptr, uint64_t __user *prop_values, |
2004 | uint32_t *arg_count_props) |
2060 | uint32_t *arg_count_props) |
2005 | { |
2061 | { |
2006 | int props_count; |
2062 | int props_count; |
2007 | int i, ret, copied; |
2063 | int i, ret, copied; |
2008 | 2064 | ||
2009 | props_count = obj->properties->count; |
2065 | props_count = obj->properties->count; |
2010 | if (!atomic) |
2066 | if (!atomic) |
2011 | props_count -= obj->properties->atomic_count; |
2067 | props_count -= obj->properties->atomic_count; |
2012 | 2068 | ||
2013 | if ((*arg_count_props >= props_count) && props_count) { |
2069 | if ((*arg_count_props >= props_count) && props_count) { |
2014 | for (i = 0, copied = 0; copied < props_count; i++) { |
2070 | for (i = 0, copied = 0; copied < props_count; i++) { |
2015 | struct drm_property *prop = obj->properties->properties[i]; |
2071 | struct drm_property *prop = obj->properties->properties[i]; |
2016 | uint64_t val; |
2072 | uint64_t val; |
2017 | 2073 | ||
2018 | if ((prop->flags & DRM_MODE_PROP_ATOMIC) && !atomic) |
2074 | if ((prop->flags & DRM_MODE_PROP_ATOMIC) && !atomic) |
2019 | continue; |
2075 | continue; |
2020 | 2076 | ||
2021 | ret = drm_object_property_get_value(obj, prop, &val); |
2077 | ret = drm_object_property_get_value(obj, prop, &val); |
2022 | if (ret) |
2078 | if (ret) |
2023 | return ret; |
2079 | return ret; |
2024 | 2080 | ||
2025 | if (put_user(prop->base.id, prop_ptr + copied)) |
2081 | if (put_user(prop->base.id, prop_ptr + copied)) |
2026 | return -EFAULT; |
2082 | return -EFAULT; |
2027 | 2083 | ||
2028 | if (put_user(val, prop_values + copied)) |
2084 | if (put_user(val, prop_values + copied)) |
2029 | return -EFAULT; |
2085 | return -EFAULT; |
2030 | 2086 | ||
2031 | copied++; |
2087 | copied++; |
2032 | } |
2088 | } |
2033 | } |
2089 | } |
2034 | *arg_count_props = props_count; |
2090 | *arg_count_props = props_count; |
2035 | 2091 | ||
2036 | return 0; |
2092 | return 0; |
2037 | } |
2093 | } |
2038 | 2094 | ||
2039 | /** |
2095 | /** |
2040 | * drm_mode_getconnector - get connector configuration |
2096 | * drm_mode_getconnector - get connector configuration |
2041 | * @dev: drm device for the ioctl |
2097 | * @dev: drm device for the ioctl |
2042 | * @data: data pointer for the ioctl |
2098 | * @data: data pointer for the ioctl |
2043 | * @file_priv: drm file for the ioctl call |
2099 | * @file_priv: drm file for the ioctl call |
2044 | * |
2100 | * |
2045 | * Construct a connector configuration structure to return to the user. |
2101 | * Construct a connector configuration structure to return to the user. |
2046 | * |
2102 | * |
2047 | * Called by the user via ioctl. |
2103 | * Called by the user via ioctl. |
2048 | * |
2104 | * |
2049 | * Returns: |
2105 | * Returns: |
2050 | * Zero on success, negative errno on failure. |
2106 | * Zero on success, negative errno on failure. |
2051 | */ |
2107 | */ |
2052 | int drm_mode_getconnector(struct drm_device *dev, void *data, |
2108 | int drm_mode_getconnector(struct drm_device *dev, void *data, |
2053 | struct drm_file *file_priv) |
2109 | struct drm_file *file_priv) |
2054 | { |
2110 | { |
2055 | struct drm_mode_get_connector *out_resp = data; |
2111 | struct drm_mode_get_connector *out_resp = data; |
2056 | struct drm_connector *connector; |
2112 | struct drm_connector *connector; |
2057 | struct drm_encoder *encoder; |
2113 | struct drm_encoder *encoder; |
2058 | struct drm_display_mode *mode; |
2114 | struct drm_display_mode *mode; |
2059 | int mode_count = 0; |
2115 | int mode_count = 0; |
2060 | int encoders_count = 0; |
2116 | int encoders_count = 0; |
2061 | int ret = 0; |
2117 | int ret = 0; |
2062 | int copied = 0; |
2118 | int copied = 0; |
2063 | int i; |
2119 | int i; |
2064 | struct drm_mode_modeinfo u_mode; |
2120 | struct drm_mode_modeinfo u_mode; |
2065 | struct drm_mode_modeinfo __user *mode_ptr; |
2121 | struct drm_mode_modeinfo __user *mode_ptr; |
2066 | uint32_t __user *encoder_ptr; |
2122 | uint32_t __user *encoder_ptr; |
2067 | 2123 | ||
2068 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2124 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2069 | return -EINVAL; |
2125 | return -EINVAL; |
2070 | 2126 | ||
2071 | memset(&u_mode, 0, sizeof(struct drm_mode_modeinfo)); |
2127 | memset(&u_mode, 0, sizeof(struct drm_mode_modeinfo)); |
2072 | 2128 | ||
2073 | DRM_DEBUG_KMS("[CONNECTOR:%d:?]\n", out_resp->connector_id); |
2129 | DRM_DEBUG_KMS("[CONNECTOR:%d:?]\n", out_resp->connector_id); |
2074 | 2130 | ||
2075 | mutex_lock(&dev->mode_config.mutex); |
2131 | mutex_lock(&dev->mode_config.mutex); |
2076 | 2132 | ||
2077 | connector = drm_connector_find(dev, out_resp->connector_id); |
2133 | connector = drm_connector_find(dev, out_resp->connector_id); |
2078 | if (!connector) { |
2134 | if (!connector) { |
2079 | ret = -ENOENT; |
2135 | ret = -ENOENT; |
2080 | goto out_unlock; |
2136 | goto out_unlock; |
2081 | } |
2137 | } |
2082 | 2138 | ||
2083 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) |
2139 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) |
2084 | if (connector->encoder_ids[i] != 0) |
2140 | if (connector->encoder_ids[i] != 0) |
2085 | encoders_count++; |
2141 | encoders_count++; |
2086 | 2142 | ||
2087 | if (out_resp->count_modes == 0) { |
2143 | if (out_resp->count_modes == 0) { |
2088 | connector->funcs->fill_modes(connector, |
2144 | connector->funcs->fill_modes(connector, |
2089 | dev->mode_config.max_width, |
2145 | dev->mode_config.max_width, |
2090 | dev->mode_config.max_height); |
2146 | dev->mode_config.max_height); |
2091 | } |
2147 | } |
2092 | 2148 | ||
2093 | /* delayed so we get modes regardless of pre-fill_modes state */ |
2149 | /* delayed so we get modes regardless of pre-fill_modes state */ |
2094 | list_for_each_entry(mode, &connector->modes, head) |
2150 | list_for_each_entry(mode, &connector->modes, head) |
2095 | if (drm_mode_expose_to_userspace(mode, file_priv)) |
2151 | if (drm_mode_expose_to_userspace(mode, file_priv)) |
2096 | mode_count++; |
2152 | mode_count++; |
2097 | 2153 | ||
2098 | out_resp->connector_id = connector->base.id; |
2154 | out_resp->connector_id = connector->base.id; |
2099 | out_resp->connector_type = connector->connector_type; |
2155 | out_resp->connector_type = connector->connector_type; |
2100 | out_resp->connector_type_id = connector->connector_type_id; |
2156 | out_resp->connector_type_id = connector->connector_type_id; |
2101 | out_resp->mm_width = connector->display_info.width_mm; |
2157 | out_resp->mm_width = connector->display_info.width_mm; |
2102 | out_resp->mm_height = connector->display_info.height_mm; |
2158 | out_resp->mm_height = connector->display_info.height_mm; |
2103 | out_resp->subpixel = connector->display_info.subpixel_order; |
2159 | out_resp->subpixel = connector->display_info.subpixel_order; |
2104 | out_resp->connection = connector->status; |
2160 | out_resp->connection = connector->status; |
2105 | 2161 | ||
2106 | drm_modeset_lock(&dev->mode_config.connection_mutex, NULL); |
2162 | drm_modeset_lock(&dev->mode_config.connection_mutex, NULL); |
2107 | encoder = drm_connector_get_encoder(connector); |
2163 | encoder = drm_connector_get_encoder(connector); |
2108 | if (encoder) |
2164 | if (encoder) |
2109 | out_resp->encoder_id = encoder->base.id; |
2165 | out_resp->encoder_id = encoder->base.id; |
2110 | else |
2166 | else |
2111 | out_resp->encoder_id = 0; |
2167 | out_resp->encoder_id = 0; |
2112 | 2168 | ||
2113 | /* |
2169 | /* |
2114 | * This ioctl is called twice, once to determine how much space is |
2170 | * This ioctl is called twice, once to determine how much space is |
2115 | * needed, and the 2nd time to fill it. |
2171 | * needed, and the 2nd time to fill it. |
2116 | */ |
2172 | */ |
2117 | if ((out_resp->count_modes >= mode_count) && mode_count) { |
2173 | if ((out_resp->count_modes >= mode_count) && mode_count) { |
2118 | copied = 0; |
2174 | copied = 0; |
2119 | mode_ptr = (struct drm_mode_modeinfo __user *)(unsigned long)out_resp->modes_ptr; |
2175 | mode_ptr = (struct drm_mode_modeinfo __user *)(unsigned long)out_resp->modes_ptr; |
2120 | list_for_each_entry(mode, &connector->modes, head) { |
2176 | list_for_each_entry(mode, &connector->modes, head) { |
2121 | if (!drm_mode_expose_to_userspace(mode, file_priv)) |
2177 | if (!drm_mode_expose_to_userspace(mode, file_priv)) |
2122 | continue; |
2178 | continue; |
2123 | 2179 | ||
2124 | drm_mode_convert_to_umode(&u_mode, mode); |
2180 | drm_mode_convert_to_umode(&u_mode, mode); |
2125 | if (copy_to_user(mode_ptr + copied, |
2181 | if (copy_to_user(mode_ptr + copied, |
2126 | &u_mode, sizeof(u_mode))) { |
2182 | &u_mode, sizeof(u_mode))) { |
2127 | ret = -EFAULT; |
2183 | ret = -EFAULT; |
2128 | goto out; |
2184 | goto out; |
2129 | } |
2185 | } |
2130 | copied++; |
2186 | copied++; |
2131 | } |
2187 | } |
2132 | } |
2188 | } |
2133 | out_resp->count_modes = mode_count; |
2189 | out_resp->count_modes = mode_count; |
2134 | 2190 | ||
2135 | ret = get_properties(&connector->base, file_priv->atomic, |
2191 | ret = get_properties(&connector->base, file_priv->atomic, |
2136 | (uint32_t __user *)(unsigned long)(out_resp->props_ptr), |
2192 | (uint32_t __user *)(unsigned long)(out_resp->props_ptr), |
2137 | (uint64_t __user *)(unsigned long)(out_resp->prop_values_ptr), |
2193 | (uint64_t __user *)(unsigned long)(out_resp->prop_values_ptr), |
2138 | &out_resp->count_props); |
2194 | &out_resp->count_props); |
2139 | if (ret) |
2195 | if (ret) |
2140 | goto out; |
2196 | goto out; |
2141 | 2197 | ||
2142 | if ((out_resp->count_encoders >= encoders_count) && encoders_count) { |
2198 | if ((out_resp->count_encoders >= encoders_count) && encoders_count) { |
2143 | copied = 0; |
2199 | copied = 0; |
2144 | encoder_ptr = (uint32_t __user *)(unsigned long)(out_resp->encoders_ptr); |
2200 | encoder_ptr = (uint32_t __user *)(unsigned long)(out_resp->encoders_ptr); |
2145 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { |
2201 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { |
2146 | if (connector->encoder_ids[i] != 0) { |
2202 | if (connector->encoder_ids[i] != 0) { |
2147 | if (put_user(connector->encoder_ids[i], |
2203 | if (put_user(connector->encoder_ids[i], |
2148 | encoder_ptr + copied)) { |
2204 | encoder_ptr + copied)) { |
2149 | ret = -EFAULT; |
2205 | ret = -EFAULT; |
2150 | goto out; |
2206 | goto out; |
2151 | } |
2207 | } |
2152 | copied++; |
2208 | copied++; |
2153 | } |
2209 | } |
2154 | } |
2210 | } |
2155 | } |
2211 | } |
2156 | out_resp->count_encoders = encoders_count; |
2212 | out_resp->count_encoders = encoders_count; |
2157 | 2213 | ||
2158 | out: |
2214 | out: |
2159 | drm_modeset_unlock(&dev->mode_config.connection_mutex); |
2215 | drm_modeset_unlock(&dev->mode_config.connection_mutex); |
2160 | 2216 | ||
2161 | out_unlock: |
2217 | out_unlock: |
2162 | mutex_unlock(&dev->mode_config.mutex); |
2218 | mutex_unlock(&dev->mode_config.mutex); |
2163 | 2219 | ||
2164 | return ret; |
2220 | return ret; |
2165 | } |
2221 | } |
2166 | 2222 | ||
2167 | static struct drm_crtc *drm_encoder_get_crtc(struct drm_encoder *encoder) |
2223 | static struct drm_crtc *drm_encoder_get_crtc(struct drm_encoder *encoder) |
2168 | { |
2224 | { |
2169 | struct drm_connector *connector; |
2225 | struct drm_connector *connector; |
2170 | struct drm_device *dev = encoder->dev; |
2226 | struct drm_device *dev = encoder->dev; |
2171 | bool uses_atomic = false; |
2227 | bool uses_atomic = false; |
2172 | 2228 | ||
2173 | /* For atomic drivers only state objects are synchronously updated and |
2229 | /* For atomic drivers only state objects are synchronously updated and |
2174 | * protected by modeset locks, so check those first. */ |
2230 | * protected by modeset locks, so check those first. */ |
2175 | drm_for_each_connector(connector, dev) { |
2231 | drm_for_each_connector(connector, dev) { |
2176 | if (!connector->state) |
2232 | if (!connector->state) |
2177 | continue; |
2233 | continue; |
2178 | 2234 | ||
2179 | uses_atomic = true; |
2235 | uses_atomic = true; |
2180 | 2236 | ||
2181 | if (connector->state->best_encoder != encoder) |
2237 | if (connector->state->best_encoder != encoder) |
2182 | continue; |
2238 | continue; |
2183 | 2239 | ||
2184 | return connector->state->crtc; |
2240 | return connector->state->crtc; |
2185 | } |
2241 | } |
2186 | 2242 | ||
2187 | /* Don't return stale data (e.g. pending async disable). */ |
2243 | /* Don't return stale data (e.g. pending async disable). */ |
2188 | if (uses_atomic) |
2244 | if (uses_atomic) |
2189 | return NULL; |
2245 | return NULL; |
2190 | 2246 | ||
2191 | return encoder->crtc; |
2247 | return encoder->crtc; |
2192 | } |
2248 | } |
2193 | 2249 | ||
2194 | /** |
2250 | /** |
2195 | * drm_mode_getencoder - get encoder configuration |
2251 | * drm_mode_getencoder - get encoder configuration |
2196 | * @dev: drm device for the ioctl |
2252 | * @dev: drm device for the ioctl |
2197 | * @data: data pointer for the ioctl |
2253 | * @data: data pointer for the ioctl |
2198 | * @file_priv: drm file for the ioctl call |
2254 | * @file_priv: drm file for the ioctl call |
2199 | * |
2255 | * |
2200 | * Construct a encoder configuration structure to return to the user. |
2256 | * Construct a encoder configuration structure to return to the user. |
2201 | * |
2257 | * |
2202 | * Called by the user via ioctl. |
2258 | * Called by the user via ioctl. |
2203 | * |
2259 | * |
2204 | * Returns: |
2260 | * Returns: |
2205 | * Zero on success, negative errno on failure. |
2261 | * Zero on success, negative errno on failure. |
2206 | */ |
2262 | */ |
2207 | int drm_mode_getencoder(struct drm_device *dev, void *data, |
2263 | int drm_mode_getencoder(struct drm_device *dev, void *data, |
2208 | struct drm_file *file_priv) |
2264 | struct drm_file *file_priv) |
2209 | { |
2265 | { |
2210 | struct drm_mode_get_encoder *enc_resp = data; |
2266 | struct drm_mode_get_encoder *enc_resp = data; |
2211 | struct drm_encoder *encoder; |
2267 | struct drm_encoder *encoder; |
2212 | struct drm_crtc *crtc; |
2268 | struct drm_crtc *crtc; |
2213 | 2269 | ||
2214 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2270 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2215 | return -EINVAL; |
2271 | return -EINVAL; |
2216 | 2272 | ||
2217 | encoder = drm_encoder_find(dev, enc_resp->encoder_id); |
2273 | encoder = drm_encoder_find(dev, enc_resp->encoder_id); |
2218 | if (!encoder) |
2274 | if (!encoder) |
2219 | return -ENOENT; |
2275 | return -ENOENT; |
2220 | 2276 | ||
2221 | drm_modeset_lock(&dev->mode_config.connection_mutex, NULL); |
2277 | drm_modeset_lock(&dev->mode_config.connection_mutex, NULL); |
2222 | crtc = drm_encoder_get_crtc(encoder); |
2278 | crtc = drm_encoder_get_crtc(encoder); |
2223 | if (crtc) |
2279 | if (crtc) |
2224 | enc_resp->crtc_id = crtc->base.id; |
2280 | enc_resp->crtc_id = crtc->base.id; |
2225 | else |
2281 | else |
2226 | enc_resp->crtc_id = 0; |
2282 | enc_resp->crtc_id = 0; |
2227 | drm_modeset_unlock(&dev->mode_config.connection_mutex); |
2283 | drm_modeset_unlock(&dev->mode_config.connection_mutex); |
2228 | 2284 | ||
2229 | enc_resp->encoder_type = encoder->encoder_type; |
2285 | enc_resp->encoder_type = encoder->encoder_type; |
2230 | enc_resp->encoder_id = encoder->base.id; |
2286 | enc_resp->encoder_id = encoder->base.id; |
2231 | enc_resp->possible_crtcs = encoder->possible_crtcs; |
2287 | enc_resp->possible_crtcs = encoder->possible_crtcs; |
2232 | enc_resp->possible_clones = encoder->possible_clones; |
2288 | enc_resp->possible_clones = encoder->possible_clones; |
2233 | 2289 | ||
2234 | return 0; |
2290 | return 0; |
2235 | } |
2291 | } |
2236 | 2292 | ||
2237 | /** |
2293 | /** |
2238 | * drm_mode_getplane_res - enumerate all plane resources |
2294 | * drm_mode_getplane_res - enumerate all plane resources |
2239 | * @dev: DRM device |
2295 | * @dev: DRM device |
2240 | * @data: ioctl data |
2296 | * @data: ioctl data |
2241 | * @file_priv: DRM file info |
2297 | * @file_priv: DRM file info |
2242 | * |
2298 | * |
2243 | * Construct a list of plane ids to return to the user. |
2299 | * Construct a list of plane ids to return to the user. |
2244 | * |
2300 | * |
2245 | * Called by the user via ioctl. |
2301 | * Called by the user via ioctl. |
2246 | * |
2302 | * |
2247 | * Returns: |
2303 | * Returns: |
2248 | * Zero on success, negative errno on failure. |
2304 | * Zero on success, negative errno on failure. |
2249 | */ |
2305 | */ |
2250 | int drm_mode_getplane_res(struct drm_device *dev, void *data, |
2306 | int drm_mode_getplane_res(struct drm_device *dev, void *data, |
2251 | struct drm_file *file_priv) |
2307 | struct drm_file *file_priv) |
2252 | { |
2308 | { |
2253 | struct drm_mode_get_plane_res *plane_resp = data; |
2309 | struct drm_mode_get_plane_res *plane_resp = data; |
2254 | struct drm_mode_config *config; |
2310 | struct drm_mode_config *config; |
2255 | struct drm_plane *plane; |
2311 | struct drm_plane *plane; |
2256 | uint32_t __user *plane_ptr; |
2312 | uint32_t __user *plane_ptr; |
2257 | int copied = 0; |
2313 | int copied = 0; |
2258 | unsigned num_planes; |
2314 | unsigned num_planes; |
2259 | 2315 | ||
2260 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2316 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2261 | return -EINVAL; |
2317 | return -EINVAL; |
2262 | 2318 | ||
2263 | config = &dev->mode_config; |
2319 | config = &dev->mode_config; |
2264 | 2320 | ||
2265 | if (file_priv->universal_planes) |
2321 | if (file_priv->universal_planes) |
2266 | num_planes = config->num_total_plane; |
2322 | num_planes = config->num_total_plane; |
2267 | else |
2323 | else |
2268 | num_planes = config->num_overlay_plane; |
2324 | num_planes = config->num_overlay_plane; |
2269 | 2325 | ||
2270 | /* |
2326 | /* |
2271 | * This ioctl is called twice, once to determine how much space is |
2327 | * This ioctl is called twice, once to determine how much space is |
2272 | * needed, and the 2nd time to fill it. |
2328 | * needed, and the 2nd time to fill it. |
2273 | */ |
2329 | */ |
2274 | if (num_planes && |
2330 | if (num_planes && |
2275 | (plane_resp->count_planes >= num_planes)) { |
2331 | (plane_resp->count_planes >= num_planes)) { |
2276 | plane_ptr = (uint32_t __user *)(unsigned long)plane_resp->plane_id_ptr; |
2332 | plane_ptr = (uint32_t __user *)(unsigned long)plane_resp->plane_id_ptr; |
2277 | 2333 | ||
2278 | /* Plane lists are invariant, no locking needed. */ |
2334 | /* Plane lists are invariant, no locking needed. */ |
2279 | drm_for_each_plane(plane, dev) { |
2335 | drm_for_each_plane(plane, dev) { |
2280 | /* |
2336 | /* |
2281 | * Unless userspace set the 'universal planes' |
2337 | * Unless userspace set the 'universal planes' |
2282 | * capability bit, only advertise overlays. |
2338 | * capability bit, only advertise overlays. |
2283 | */ |
2339 | */ |
2284 | if (plane->type != DRM_PLANE_TYPE_OVERLAY && |
2340 | if (plane->type != DRM_PLANE_TYPE_OVERLAY && |
2285 | !file_priv->universal_planes) |
2341 | !file_priv->universal_planes) |
2286 | continue; |
2342 | continue; |
2287 | 2343 | ||
2288 | if (put_user(plane->base.id, plane_ptr + copied)) |
2344 | if (put_user(plane->base.id, plane_ptr + copied)) |
2289 | return -EFAULT; |
2345 | return -EFAULT; |
2290 | copied++; |
2346 | copied++; |
2291 | } |
2347 | } |
2292 | } |
2348 | } |
2293 | plane_resp->count_planes = num_planes; |
2349 | plane_resp->count_planes = num_planes; |
2294 | 2350 | ||
2295 | return 0; |
2351 | return 0; |
2296 | } |
2352 | } |
2297 | 2353 | ||
2298 | /** |
2354 | /** |
2299 | * drm_mode_getplane - get plane configuration |
2355 | * drm_mode_getplane - get plane configuration |
2300 | * @dev: DRM device |
2356 | * @dev: DRM device |
2301 | * @data: ioctl data |
2357 | * @data: ioctl data |
2302 | * @file_priv: DRM file info |
2358 | * @file_priv: DRM file info |
2303 | * |
2359 | * |
2304 | * Construct a plane configuration structure to return to the user. |
2360 | * Construct a plane configuration structure to return to the user. |
2305 | * |
2361 | * |
2306 | * Called by the user via ioctl. |
2362 | * Called by the user via ioctl. |
2307 | * |
2363 | * |
2308 | * Returns: |
2364 | * Returns: |
2309 | * Zero on success, negative errno on failure. |
2365 | * Zero on success, negative errno on failure. |
2310 | */ |
2366 | */ |
2311 | int drm_mode_getplane(struct drm_device *dev, void *data, |
2367 | int drm_mode_getplane(struct drm_device *dev, void *data, |
2312 | struct drm_file *file_priv) |
2368 | struct drm_file *file_priv) |
2313 | { |
2369 | { |
2314 | struct drm_mode_get_plane *plane_resp = data; |
2370 | struct drm_mode_get_plane *plane_resp = data; |
2315 | struct drm_plane *plane; |
2371 | struct drm_plane *plane; |
2316 | uint32_t __user *format_ptr; |
2372 | uint32_t __user *format_ptr; |
2317 | 2373 | ||
2318 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2374 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2319 | return -EINVAL; |
2375 | return -EINVAL; |
2320 | 2376 | ||
2321 | plane = drm_plane_find(dev, plane_resp->plane_id); |
2377 | plane = drm_plane_find(dev, plane_resp->plane_id); |
2322 | if (!plane) |
2378 | if (!plane) |
2323 | return -ENOENT; |
2379 | return -ENOENT; |
2324 | 2380 | ||
2325 | drm_modeset_lock(&plane->mutex, NULL); |
2381 | drm_modeset_lock(&plane->mutex, NULL); |
2326 | if (plane->crtc) |
2382 | if (plane->crtc) |
2327 | plane_resp->crtc_id = plane->crtc->base.id; |
2383 | plane_resp->crtc_id = plane->crtc->base.id; |
2328 | else |
2384 | else |
2329 | plane_resp->crtc_id = 0; |
2385 | plane_resp->crtc_id = 0; |
2330 | 2386 | ||
2331 | if (plane->fb) |
2387 | if (plane->fb) |
2332 | plane_resp->fb_id = plane->fb->base.id; |
2388 | plane_resp->fb_id = plane->fb->base.id; |
2333 | else |
2389 | else |
2334 | plane_resp->fb_id = 0; |
2390 | plane_resp->fb_id = 0; |
2335 | drm_modeset_unlock(&plane->mutex); |
2391 | drm_modeset_unlock(&plane->mutex); |
2336 | 2392 | ||
2337 | plane_resp->plane_id = plane->base.id; |
2393 | plane_resp->plane_id = plane->base.id; |
2338 | plane_resp->possible_crtcs = plane->possible_crtcs; |
2394 | plane_resp->possible_crtcs = plane->possible_crtcs; |
2339 | plane_resp->gamma_size = 0; |
2395 | plane_resp->gamma_size = 0; |
2340 | 2396 | ||
2341 | /* |
2397 | /* |
2342 | * This ioctl is called twice, once to determine how much space is |
2398 | * This ioctl is called twice, once to determine how much space is |
2343 | * needed, and the 2nd time to fill it. |
2399 | * needed, and the 2nd time to fill it. |
2344 | */ |
2400 | */ |
2345 | if (plane->format_count && |
2401 | if (plane->format_count && |
2346 | (plane_resp->count_format_types >= plane->format_count)) { |
2402 | (plane_resp->count_format_types >= plane->format_count)) { |
2347 | format_ptr = (uint32_t __user *)(unsigned long)plane_resp->format_type_ptr; |
2403 | format_ptr = (uint32_t __user *)(unsigned long)plane_resp->format_type_ptr; |
2348 | if (copy_to_user(format_ptr, |
2404 | if (copy_to_user(format_ptr, |
2349 | plane->format_types, |
2405 | plane->format_types, |
2350 | sizeof(uint32_t) * plane->format_count)) { |
2406 | sizeof(uint32_t) * plane->format_count)) { |
2351 | return -EFAULT; |
2407 | return -EFAULT; |
2352 | } |
2408 | } |
2353 | } |
2409 | } |
2354 | plane_resp->count_format_types = plane->format_count; |
2410 | plane_resp->count_format_types = plane->format_count; |
2355 | 2411 | ||
2356 | return 0; |
2412 | return 0; |
2357 | } |
2413 | } |
2358 | #endif |
2414 | #endif |
2359 | 2415 | ||
2360 | /** |
2416 | /** |
2361 | * drm_plane_check_pixel_format - Check if the plane supports the pixel format |
2417 | * drm_plane_check_pixel_format - Check if the plane supports the pixel format |
2362 | * @plane: plane to check for format support |
2418 | * @plane: plane to check for format support |
2363 | * @format: the pixel format |
2419 | * @format: the pixel format |
2364 | * |
2420 | * |
2365 | * Returns: |
2421 | * Returns: |
2366 | * Zero of @plane has @format in its list of supported pixel formats, -EINVAL |
2422 | * Zero of @plane has @format in its list of supported pixel formats, -EINVAL |
2367 | * otherwise. |
2423 | * otherwise. |
2368 | */ |
2424 | */ |
2369 | int drm_plane_check_pixel_format(const struct drm_plane *plane, u32 format) |
2425 | int drm_plane_check_pixel_format(const struct drm_plane *plane, u32 format) |
2370 | { |
2426 | { |
2371 | unsigned int i; |
2427 | unsigned int i; |
2372 | 2428 | ||
2373 | for (i = 0; i < plane->format_count; i++) { |
2429 | for (i = 0; i < plane->format_count; i++) { |
2374 | if (format == plane->format_types[i]) |
2430 | if (format == plane->format_types[i]) |
2375 | return 0; |
2431 | return 0; |
2376 | } |
2432 | } |
2377 | 2433 | ||
2378 | return -EINVAL; |
2434 | return -EINVAL; |
2379 | } |
2435 | } |
2380 | 2436 | ||
2381 | static int check_src_coords(uint32_t src_x, uint32_t src_y, |
2437 | static int check_src_coords(uint32_t src_x, uint32_t src_y, |
2382 | uint32_t src_w, uint32_t src_h, |
2438 | uint32_t src_w, uint32_t src_h, |
2383 | const struct drm_framebuffer *fb) |
2439 | const struct drm_framebuffer *fb) |
2384 | { |
2440 | { |
2385 | unsigned int fb_width, fb_height; |
2441 | unsigned int fb_width, fb_height; |
2386 | 2442 | ||
2387 | fb_width = fb->width << 16; |
2443 | fb_width = fb->width << 16; |
2388 | fb_height = fb->height << 16; |
2444 | fb_height = fb->height << 16; |
2389 | 2445 | ||
2390 | /* Make sure source coordinates are inside the fb. */ |
2446 | /* Make sure source coordinates are inside the fb. */ |
2391 | if (src_w > fb_width || |
2447 | if (src_w > fb_width || |
2392 | src_x > fb_width - src_w || |
2448 | src_x > fb_width - src_w || |
2393 | src_h > fb_height || |
2449 | src_h > fb_height || |
2394 | src_y > fb_height - src_h) { |
2450 | src_y > fb_height - src_h) { |
2395 | DRM_DEBUG_KMS("Invalid source coordinates " |
2451 | DRM_DEBUG_KMS("Invalid source coordinates " |
2396 | "%u.%06ux%u.%06u+%u.%06u+%u.%06u\n", |
2452 | "%u.%06ux%u.%06u+%u.%06u+%u.%06u\n", |
2397 | src_w >> 16, ((src_w & 0xffff) * 15625) >> 10, |
2453 | src_w >> 16, ((src_w & 0xffff) * 15625) >> 10, |
2398 | src_h >> 16, ((src_h & 0xffff) * 15625) >> 10, |
2454 | src_h >> 16, ((src_h & 0xffff) * 15625) >> 10, |
2399 | src_x >> 16, ((src_x & 0xffff) * 15625) >> 10, |
2455 | src_x >> 16, ((src_x & 0xffff) * 15625) >> 10, |
2400 | src_y >> 16, ((src_y & 0xffff) * 15625) >> 10); |
2456 | src_y >> 16, ((src_y & 0xffff) * 15625) >> 10); |
2401 | return -ENOSPC; |
2457 | return -ENOSPC; |
2402 | } |
2458 | } |
2403 | 2459 | ||
2404 | return 0; |
2460 | return 0; |
2405 | } |
2461 | } |
2406 | 2462 | ||
2407 | /* |
2463 | /* |
2408 | * setplane_internal - setplane handler for internal callers |
2464 | * setplane_internal - setplane handler for internal callers |
2409 | * |
2465 | * |
2410 | * Note that we assume an extra reference has already been taken on fb. If the |
2466 | * Note that we assume an extra reference has already been taken on fb. If the |
2411 | * update fails, this reference will be dropped before return; if it succeeds, |
2467 | * update fails, this reference will be dropped before return; if it succeeds, |
2412 | * the previous framebuffer (if any) will be unreferenced instead. |
2468 | * the previous framebuffer (if any) will be unreferenced instead. |
2413 | * |
2469 | * |
2414 | * src_{x,y,w,h} are provided in 16.16 fixed point format |
2470 | * src_{x,y,w,h} are provided in 16.16 fixed point format |
2415 | */ |
2471 | */ |
2416 | static int __setplane_internal(struct drm_plane *plane, |
2472 | static int __setplane_internal(struct drm_plane *plane, |
2417 | struct drm_crtc *crtc, |
2473 | struct drm_crtc *crtc, |
2418 | struct drm_framebuffer *fb, |
2474 | struct drm_framebuffer *fb, |
2419 | int32_t crtc_x, int32_t crtc_y, |
2475 | int32_t crtc_x, int32_t crtc_y, |
2420 | uint32_t crtc_w, uint32_t crtc_h, |
2476 | uint32_t crtc_w, uint32_t crtc_h, |
2421 | /* src_{x,y,w,h} values are 16.16 fixed point */ |
2477 | /* src_{x,y,w,h} values are 16.16 fixed point */ |
2422 | uint32_t src_x, uint32_t src_y, |
2478 | uint32_t src_x, uint32_t src_y, |
2423 | uint32_t src_w, uint32_t src_h) |
2479 | uint32_t src_w, uint32_t src_h) |
2424 | { |
2480 | { |
2425 | int ret = 0; |
2481 | int ret = 0; |
2426 | 2482 | ||
2427 | /* No fb means shut it down */ |
2483 | /* No fb means shut it down */ |
2428 | if (!fb) { |
2484 | if (!fb) { |
2429 | plane->old_fb = plane->fb; |
2485 | plane->old_fb = plane->fb; |
2430 | ret = plane->funcs->disable_plane(plane); |
2486 | ret = plane->funcs->disable_plane(plane); |
2431 | if (!ret) { |
2487 | if (!ret) { |
2432 | plane->crtc = NULL; |
2488 | plane->crtc = NULL; |
2433 | plane->fb = NULL; |
2489 | plane->fb = NULL; |
2434 | } else { |
2490 | } else { |
2435 | plane->old_fb = NULL; |
2491 | plane->old_fb = NULL; |
2436 | } |
2492 | } |
2437 | goto out; |
2493 | goto out; |
2438 | } |
2494 | } |
2439 | 2495 | ||
2440 | /* Check whether this plane is usable on this CRTC */ |
2496 | /* Check whether this plane is usable on this CRTC */ |
2441 | if (!(plane->possible_crtcs & drm_crtc_mask(crtc))) { |
2497 | if (!(plane->possible_crtcs & drm_crtc_mask(crtc))) { |
2442 | DRM_DEBUG_KMS("Invalid crtc for plane\n"); |
2498 | DRM_DEBUG_KMS("Invalid crtc for plane\n"); |
2443 | ret = -EINVAL; |
2499 | ret = -EINVAL; |
2444 | goto out; |
2500 | goto out; |
2445 | } |
2501 | } |
2446 | 2502 | ||
2447 | /* Check whether this plane supports the fb pixel format. */ |
2503 | /* Check whether this plane supports the fb pixel format. */ |
2448 | ret = drm_plane_check_pixel_format(plane, fb->pixel_format); |
2504 | ret = drm_plane_check_pixel_format(plane, fb->pixel_format); |
2449 | if (ret) { |
2505 | if (ret) { |
2450 | DRM_DEBUG_KMS("Invalid pixel format %s\n", |
2506 | DRM_DEBUG_KMS("Invalid pixel format %s\n", |
2451 | drm_get_format_name(fb->pixel_format)); |
2507 | drm_get_format_name(fb->pixel_format)); |
2452 | goto out; |
2508 | goto out; |
2453 | } |
2509 | } |
2454 | 2510 | ||
2455 | /* Give drivers some help against integer overflows */ |
2511 | /* Give drivers some help against integer overflows */ |
2456 | if (crtc_w > INT_MAX || |
2512 | if (crtc_w > INT_MAX || |
2457 | crtc_x > INT_MAX - (int32_t) crtc_w || |
2513 | crtc_x > INT_MAX - (int32_t) crtc_w || |
2458 | crtc_h > INT_MAX || |
2514 | crtc_h > INT_MAX || |
2459 | crtc_y > INT_MAX - (int32_t) crtc_h) { |
2515 | crtc_y > INT_MAX - (int32_t) crtc_h) { |
2460 | DRM_DEBUG_KMS("Invalid CRTC coordinates %ux%u+%d+%d\n", |
2516 | DRM_DEBUG_KMS("Invalid CRTC coordinates %ux%u+%d+%d\n", |
2461 | crtc_w, crtc_h, crtc_x, crtc_y); |
2517 | crtc_w, crtc_h, crtc_x, crtc_y); |
2462 | ret = -ERANGE; |
2518 | ret = -ERANGE; |
2463 | goto out; |
2519 | goto out; |
2464 | } |
2520 | } |
2465 | 2521 | ||
2466 | ret = check_src_coords(src_x, src_y, src_w, src_h, fb); |
2522 | ret = check_src_coords(src_x, src_y, src_w, src_h, fb); |
2467 | if (ret) |
2523 | if (ret) |
2468 | goto out; |
2524 | goto out; |
2469 | 2525 | ||
2470 | plane->old_fb = plane->fb; |
2526 | plane->old_fb = plane->fb; |
2471 | ret = plane->funcs->update_plane(plane, crtc, fb, |
2527 | ret = plane->funcs->update_plane(plane, crtc, fb, |
2472 | crtc_x, crtc_y, crtc_w, crtc_h, |
2528 | crtc_x, crtc_y, crtc_w, crtc_h, |
2473 | src_x, src_y, src_w, src_h); |
2529 | src_x, src_y, src_w, src_h); |
2474 | if (!ret) { |
2530 | if (!ret) { |
2475 | plane->crtc = crtc; |
2531 | plane->crtc = crtc; |
2476 | plane->fb = fb; |
2532 | plane->fb = fb; |
2477 | fb = NULL; |
2533 | fb = NULL; |
2478 | } else { |
2534 | } else { |
2479 | plane->old_fb = NULL; |
2535 | plane->old_fb = NULL; |
2480 | } |
2536 | } |
2481 | 2537 | ||
2482 | out: |
2538 | out: |
2483 | if (fb) |
2539 | if (fb) |
2484 | drm_framebuffer_unreference(fb); |
2540 | drm_framebuffer_unreference(fb); |
2485 | if (plane->old_fb) |
2541 | if (plane->old_fb) |
2486 | drm_framebuffer_unreference(plane->old_fb); |
2542 | drm_framebuffer_unreference(plane->old_fb); |
2487 | plane->old_fb = NULL; |
2543 | plane->old_fb = NULL; |
2488 | 2544 | ||
2489 | return ret; |
2545 | return ret; |
2490 | } |
2546 | } |
2491 | 2547 | ||
2492 | static int setplane_internal(struct drm_plane *plane, |
2548 | static int setplane_internal(struct drm_plane *plane, |
2493 | struct drm_crtc *crtc, |
2549 | struct drm_crtc *crtc, |
2494 | struct drm_framebuffer *fb, |
2550 | struct drm_framebuffer *fb, |
2495 | int32_t crtc_x, int32_t crtc_y, |
2551 | int32_t crtc_x, int32_t crtc_y, |
2496 | uint32_t crtc_w, uint32_t crtc_h, |
2552 | uint32_t crtc_w, uint32_t crtc_h, |
2497 | /* src_{x,y,w,h} values are 16.16 fixed point */ |
2553 | /* src_{x,y,w,h} values are 16.16 fixed point */ |
2498 | uint32_t src_x, uint32_t src_y, |
2554 | uint32_t src_x, uint32_t src_y, |
2499 | uint32_t src_w, uint32_t src_h) |
2555 | uint32_t src_w, uint32_t src_h) |
2500 | { |
2556 | { |
2501 | int ret; |
2557 | int ret; |
2502 | 2558 | ||
2503 | drm_modeset_lock_all(plane->dev); |
2559 | drm_modeset_lock_all(plane->dev); |
2504 | ret = __setplane_internal(plane, crtc, fb, |
2560 | ret = __setplane_internal(plane, crtc, fb, |
2505 | crtc_x, crtc_y, crtc_w, crtc_h, |
2561 | crtc_x, crtc_y, crtc_w, crtc_h, |
2506 | src_x, src_y, src_w, src_h); |
2562 | src_x, src_y, src_w, src_h); |
2507 | drm_modeset_unlock_all(plane->dev); |
2563 | drm_modeset_unlock_all(plane->dev); |
2508 | 2564 | ||
2509 | return ret; |
2565 | return ret; |
2510 | } |
2566 | } |
2511 | 2567 | ||
2512 | /** |
2568 | /** |
2513 | * drm_mode_setplane - configure a plane's configuration |
2569 | * drm_mode_setplane - configure a plane's configuration |
2514 | * @dev: DRM device |
2570 | * @dev: DRM device |
2515 | * @data: ioctl data* |
2571 | * @data: ioctl data* |
2516 | * @file_priv: DRM file info |
2572 | * @file_priv: DRM file info |
2517 | * |
2573 | * |
2518 | * Set plane configuration, including placement, fb, scaling, and other factors. |
2574 | * Set plane configuration, including placement, fb, scaling, and other factors. |
2519 | * Or pass a NULL fb to disable (planes may be disabled without providing a |
2575 | * Or pass a NULL fb to disable (planes may be disabled without providing a |
2520 | * valid crtc). |
2576 | * valid crtc). |
2521 | * |
2577 | * |
2522 | * Returns: |
2578 | * Returns: |
2523 | * Zero on success, negative errno on failure. |
2579 | * Zero on success, negative errno on failure. |
2524 | */ |
2580 | */ |
2525 | int drm_mode_setplane(struct drm_device *dev, void *data, |
2581 | int drm_mode_setplane(struct drm_device *dev, void *data, |
2526 | struct drm_file *file_priv) |
2582 | struct drm_file *file_priv) |
2527 | { |
2583 | { |
2528 | struct drm_mode_set_plane *plane_req = data; |
2584 | struct drm_mode_set_plane *plane_req = data; |
2529 | struct drm_plane *plane; |
2585 | struct drm_plane *plane; |
2530 | struct drm_crtc *crtc = NULL; |
2586 | struct drm_crtc *crtc = NULL; |
2531 | struct drm_framebuffer *fb = NULL; |
2587 | struct drm_framebuffer *fb = NULL; |
2532 | 2588 | ||
2533 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2589 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2534 | return -EINVAL; |
2590 | return -EINVAL; |
2535 | 2591 | ||
2536 | /* |
2592 | /* |
2537 | * First, find the plane, crtc, and fb objects. If not available, |
2593 | * First, find the plane, crtc, and fb objects. If not available, |
2538 | * we don't bother to call the driver. |
2594 | * we don't bother to call the driver. |
2539 | */ |
2595 | */ |
2540 | plane = drm_plane_find(dev, plane_req->plane_id); |
2596 | plane = drm_plane_find(dev, plane_req->plane_id); |
2541 | if (!plane) { |
2597 | if (!plane) { |
2542 | DRM_DEBUG_KMS("Unknown plane ID %d\n", |
2598 | DRM_DEBUG_KMS("Unknown plane ID %d\n", |
2543 | plane_req->plane_id); |
2599 | plane_req->plane_id); |
2544 | return -ENOENT; |
2600 | return -ENOENT; |
2545 | } |
2601 | } |
2546 | 2602 | ||
2547 | if (plane_req->fb_id) { |
2603 | if (plane_req->fb_id) { |
2548 | fb = drm_framebuffer_lookup(dev, plane_req->fb_id); |
2604 | fb = drm_framebuffer_lookup(dev, plane_req->fb_id); |
2549 | if (!fb) { |
2605 | if (!fb) { |
2550 | DRM_DEBUG_KMS("Unknown framebuffer ID %d\n", |
2606 | DRM_DEBUG_KMS("Unknown framebuffer ID %d\n", |
2551 | plane_req->fb_id); |
2607 | plane_req->fb_id); |
2552 | return -ENOENT; |
2608 | return -ENOENT; |
2553 | } |
2609 | } |
2554 | 2610 | ||
2555 | crtc = drm_crtc_find(dev, plane_req->crtc_id); |
2611 | crtc = drm_crtc_find(dev, plane_req->crtc_id); |
2556 | if (!crtc) { |
2612 | if (!crtc) { |
2557 | DRM_DEBUG_KMS("Unknown crtc ID %d\n", |
2613 | DRM_DEBUG_KMS("Unknown crtc ID %d\n", |
2558 | plane_req->crtc_id); |
2614 | plane_req->crtc_id); |
2559 | return -ENOENT; |
2615 | return -ENOENT; |
2560 | } |
2616 | } |
2561 | } |
2617 | } |
2562 | 2618 | ||
2563 | /* |
2619 | /* |
2564 | * setplane_internal will take care of deref'ing either the old or new |
2620 | * setplane_internal will take care of deref'ing either the old or new |
2565 | * framebuffer depending on success. |
2621 | * framebuffer depending on success. |
2566 | */ |
2622 | */ |
2567 | return setplane_internal(plane, crtc, fb, |
2623 | return setplane_internal(plane, crtc, fb, |
2568 | plane_req->crtc_x, plane_req->crtc_y, |
2624 | plane_req->crtc_x, plane_req->crtc_y, |
2569 | plane_req->crtc_w, plane_req->crtc_h, |
2625 | plane_req->crtc_w, plane_req->crtc_h, |
2570 | plane_req->src_x, plane_req->src_y, |
2626 | plane_req->src_x, plane_req->src_y, |
2571 | plane_req->src_w, plane_req->src_h); |
2627 | plane_req->src_w, plane_req->src_h); |
2572 | } |
2628 | } |
2573 | 2629 | ||
2574 | /** |
2630 | /** |
2575 | * drm_mode_set_config_internal - helper to call ->set_config |
2631 | * drm_mode_set_config_internal - helper to call ->set_config |
2576 | * @set: modeset config to set |
2632 | * @set: modeset config to set |
2577 | * |
2633 | * |
2578 | * This is a little helper to wrap internal calls to the ->set_config driver |
2634 | * This is a little helper to wrap internal calls to the ->set_config driver |
2579 | * interface. The only thing it adds is correct refcounting dance. |
2635 | * interface. The only thing it adds is correct refcounting dance. |
2580 | * |
2636 | * |
2581 | * Returns: |
2637 | * Returns: |
2582 | * Zero on success, negative errno on failure. |
2638 | * Zero on success, negative errno on failure. |
2583 | */ |
2639 | */ |
2584 | int drm_mode_set_config_internal(struct drm_mode_set *set) |
2640 | int drm_mode_set_config_internal(struct drm_mode_set *set) |
2585 | { |
2641 | { |
2586 | struct drm_crtc *crtc = set->crtc; |
2642 | struct drm_crtc *crtc = set->crtc; |
2587 | struct drm_framebuffer *fb; |
2643 | struct drm_framebuffer *fb; |
2588 | struct drm_crtc *tmp; |
2644 | struct drm_crtc *tmp; |
2589 | int ret; |
2645 | int ret; |
2590 | 2646 | ||
2591 | /* |
2647 | /* |
2592 | * NOTE: ->set_config can also disable other crtcs (if we steal all |
2648 | * NOTE: ->set_config can also disable other crtcs (if we steal all |
2593 | * connectors from it), hence we need to refcount the fbs across all |
2649 | * connectors from it), hence we need to refcount the fbs across all |
2594 | * crtcs. Atomic modeset will have saner semantics ... |
2650 | * crtcs. Atomic modeset will have saner semantics ... |
2595 | */ |
2651 | */ |
2596 | drm_for_each_crtc(tmp, crtc->dev) |
2652 | drm_for_each_crtc(tmp, crtc->dev) |
2597 | tmp->primary->old_fb = tmp->primary->fb; |
2653 | tmp->primary->old_fb = tmp->primary->fb; |
2598 | 2654 | ||
2599 | fb = set->fb; |
2655 | fb = set->fb; |
2600 | 2656 | ||
2601 | ret = crtc->funcs->set_config(set); |
2657 | ret = crtc->funcs->set_config(set); |
2602 | if (ret == 0) { |
2658 | if (ret == 0) { |
2603 | crtc->primary->crtc = crtc; |
2659 | crtc->primary->crtc = crtc; |
2604 | crtc->primary->fb = fb; |
2660 | crtc->primary->fb = fb; |
2605 | } |
2661 | } |
2606 | 2662 | ||
2607 | drm_for_each_crtc(tmp, crtc->dev) { |
2663 | drm_for_each_crtc(tmp, crtc->dev) { |
2608 | if (tmp->primary->fb) |
2664 | if (tmp->primary->fb) |
2609 | drm_framebuffer_reference(tmp->primary->fb); |
2665 | drm_framebuffer_reference(tmp->primary->fb); |
2610 | if (tmp->primary->old_fb) |
2666 | if (tmp->primary->old_fb) |
2611 | drm_framebuffer_unreference(tmp->primary->old_fb); |
2667 | drm_framebuffer_unreference(tmp->primary->old_fb); |
2612 | tmp->primary->old_fb = NULL; |
2668 | tmp->primary->old_fb = NULL; |
2613 | } |
2669 | } |
2614 | 2670 | ||
2615 | return ret; |
2671 | return ret; |
2616 | } |
2672 | } |
2617 | EXPORT_SYMBOL(drm_mode_set_config_internal); |
2673 | EXPORT_SYMBOL(drm_mode_set_config_internal); |
2618 | 2674 | ||
2619 | /** |
2675 | /** |
2620 | * drm_crtc_get_hv_timing - Fetches hdisplay/vdisplay for given mode |
2676 | * drm_crtc_get_hv_timing - Fetches hdisplay/vdisplay for given mode |
2621 | * @mode: mode to query |
2677 | * @mode: mode to query |
2622 | * @hdisplay: hdisplay value to fill in |
2678 | * @hdisplay: hdisplay value to fill in |
2623 | * @vdisplay: vdisplay value to fill in |
2679 | * @vdisplay: vdisplay value to fill in |
2624 | * |
2680 | * |
2625 | * The vdisplay value will be doubled if the specified mode is a stereo mode of |
2681 | * The vdisplay value will be doubled if the specified mode is a stereo mode of |
2626 | * the appropriate layout. |
2682 | * the appropriate layout. |
2627 | */ |
2683 | */ |
2628 | void drm_crtc_get_hv_timing(const struct drm_display_mode *mode, |
2684 | void drm_crtc_get_hv_timing(const struct drm_display_mode *mode, |
2629 | int *hdisplay, int *vdisplay) |
2685 | int *hdisplay, int *vdisplay) |
2630 | { |
2686 | { |
2631 | struct drm_display_mode adjusted; |
2687 | struct drm_display_mode adjusted; |
2632 | 2688 | ||
2633 | drm_mode_copy(&adjusted, mode); |
2689 | drm_mode_copy(&adjusted, mode); |
2634 | drm_mode_set_crtcinfo(&adjusted, CRTC_STEREO_DOUBLE_ONLY); |
2690 | drm_mode_set_crtcinfo(&adjusted, CRTC_STEREO_DOUBLE_ONLY); |
2635 | *hdisplay = adjusted.crtc_hdisplay; |
2691 | *hdisplay = adjusted.crtc_hdisplay; |
2636 | *vdisplay = adjusted.crtc_vdisplay; |
2692 | *vdisplay = adjusted.crtc_vdisplay; |
2637 | } |
2693 | } |
2638 | EXPORT_SYMBOL(drm_crtc_get_hv_timing); |
2694 | EXPORT_SYMBOL(drm_crtc_get_hv_timing); |
2639 | 2695 | ||
2640 | /** |
2696 | /** |
2641 | * drm_crtc_check_viewport - Checks that a framebuffer is big enough for the |
2697 | * drm_crtc_check_viewport - Checks that a framebuffer is big enough for the |
2642 | * CRTC viewport |
2698 | * CRTC viewport |
2643 | * @crtc: CRTC that framebuffer will be displayed on |
2699 | * @crtc: CRTC that framebuffer will be displayed on |
2644 | * @x: x panning |
2700 | * @x: x panning |
2645 | * @y: y panning |
2701 | * @y: y panning |
2646 | * @mode: mode that framebuffer will be displayed under |
2702 | * @mode: mode that framebuffer will be displayed under |
2647 | * @fb: framebuffer to check size of |
2703 | * @fb: framebuffer to check size of |
2648 | */ |
2704 | */ |
2649 | int drm_crtc_check_viewport(const struct drm_crtc *crtc, |
2705 | int drm_crtc_check_viewport(const struct drm_crtc *crtc, |
2650 | int x, int y, |
2706 | int x, int y, |
2651 | const struct drm_display_mode *mode, |
2707 | const struct drm_display_mode *mode, |
2652 | const struct drm_framebuffer *fb) |
2708 | const struct drm_framebuffer *fb) |
2653 | 2709 | ||
2654 | { |
2710 | { |
2655 | int hdisplay, vdisplay; |
2711 | int hdisplay, vdisplay; |
2656 | 2712 | ||
2657 | drm_crtc_get_hv_timing(mode, &hdisplay, &vdisplay); |
2713 | drm_crtc_get_hv_timing(mode, &hdisplay, &vdisplay); |
2658 | 2714 | ||
2659 | if (crtc->state && |
2715 | if (crtc->state && |
2660 | crtc->primary->state->rotation & (BIT(DRM_ROTATE_90) | |
2716 | crtc->primary->state->rotation & (BIT(DRM_ROTATE_90) | |
2661 | BIT(DRM_ROTATE_270))) |
2717 | BIT(DRM_ROTATE_270))) |
2662 | swap(hdisplay, vdisplay); |
2718 | swap(hdisplay, vdisplay); |
2663 | 2719 | ||
2664 | return check_src_coords(x << 16, y << 16, |
2720 | return check_src_coords(x << 16, y << 16, |
2665 | hdisplay << 16, vdisplay << 16, fb); |
2721 | hdisplay << 16, vdisplay << 16, fb); |
2666 | } |
2722 | } |
2667 | EXPORT_SYMBOL(drm_crtc_check_viewport); |
2723 | EXPORT_SYMBOL(drm_crtc_check_viewport); |
2668 | 2724 | ||
2669 | #if 0 |
2725 | #if 0 |
2670 | /** |
2726 | /** |
2671 | * drm_mode_setcrtc - set CRTC configuration |
2727 | * drm_mode_setcrtc - set CRTC configuration |
2672 | * @dev: drm device for the ioctl |
2728 | * @dev: drm device for the ioctl |
2673 | * @data: data pointer for the ioctl |
2729 | * @data: data pointer for the ioctl |
2674 | * @file_priv: drm file for the ioctl call |
2730 | * @file_priv: drm file for the ioctl call |
2675 | * |
2731 | * |
2676 | * Build a new CRTC configuration based on user request. |
2732 | * Build a new CRTC configuration based on user request. |
2677 | * |
2733 | * |
2678 | * Called by the user via ioctl. |
2734 | * Called by the user via ioctl. |
2679 | * |
2735 | * |
2680 | * Returns: |
2736 | * Returns: |
2681 | * Zero on success, negative errno on failure. |
2737 | * Zero on success, negative errno on failure. |
2682 | */ |
2738 | */ |
2683 | int drm_mode_setcrtc(struct drm_device *dev, void *data, |
2739 | int drm_mode_setcrtc(struct drm_device *dev, void *data, |
2684 | struct drm_file *file_priv) |
2740 | struct drm_file *file_priv) |
2685 | { |
2741 | { |
2686 | struct drm_mode_config *config = &dev->mode_config; |
2742 | struct drm_mode_config *config = &dev->mode_config; |
2687 | struct drm_mode_crtc *crtc_req = data; |
2743 | struct drm_mode_crtc *crtc_req = data; |
2688 | struct drm_crtc *crtc; |
2744 | struct drm_crtc *crtc; |
2689 | struct drm_connector **connector_set = NULL, *connector; |
2745 | struct drm_connector **connector_set = NULL, *connector; |
2690 | struct drm_framebuffer *fb = NULL; |
2746 | struct drm_framebuffer *fb = NULL; |
2691 | struct drm_display_mode *mode = NULL; |
2747 | struct drm_display_mode *mode = NULL; |
2692 | struct drm_mode_set set; |
2748 | struct drm_mode_set set; |
2693 | uint32_t __user *set_connectors_ptr; |
2749 | uint32_t __user *set_connectors_ptr; |
2694 | int ret; |
2750 | int ret; |
2695 | int i; |
2751 | int i; |
2696 | 2752 | ||
2697 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2753 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2698 | return -EINVAL; |
2754 | return -EINVAL; |
2699 | 2755 | ||
2700 | /* |
2756 | /* |
2701 | * Universal plane src offsets are only 16.16, prevent havoc for |
2757 | * Universal plane src offsets are only 16.16, prevent havoc for |
2702 | * drivers using universal plane code internally. |
2758 | * drivers using universal plane code internally. |
2703 | */ |
2759 | */ |
2704 | if (crtc_req->x & 0xffff0000 || crtc_req->y & 0xffff0000) |
2760 | if (crtc_req->x & 0xffff0000 || crtc_req->y & 0xffff0000) |
2705 | return -ERANGE; |
2761 | return -ERANGE; |
2706 | 2762 | ||
2707 | drm_modeset_lock_all(dev); |
2763 | drm_modeset_lock_all(dev); |
2708 | crtc = drm_crtc_find(dev, crtc_req->crtc_id); |
2764 | crtc = drm_crtc_find(dev, crtc_req->crtc_id); |
2709 | if (!crtc) { |
2765 | if (!crtc) { |
2710 | DRM_DEBUG_KMS("Unknown CRTC ID %d\n", crtc_req->crtc_id); |
2766 | DRM_DEBUG_KMS("Unknown CRTC ID %d\n", crtc_req->crtc_id); |
2711 | ret = -ENOENT; |
2767 | ret = -ENOENT; |
2712 | goto out; |
2768 | goto out; |
2713 | } |
2769 | } |
2714 | DRM_DEBUG_KMS("[CRTC:%d:%s]\n", crtc->base.id, crtc->name); |
2770 | DRM_DEBUG_KMS("[CRTC:%d:%s]\n", crtc->base.id, crtc->name); |
2715 | 2771 | ||
2716 | if (crtc_req->mode_valid) { |
2772 | if (crtc_req->mode_valid) { |
2717 | /* If we have a mode we need a framebuffer. */ |
2773 | /* If we have a mode we need a framebuffer. */ |
2718 | /* If we pass -1, set the mode with the currently bound fb */ |
2774 | /* If we pass -1, set the mode with the currently bound fb */ |
2719 | if (crtc_req->fb_id == -1) { |
2775 | if (crtc_req->fb_id == -1) { |
2720 | if (!crtc->primary->fb) { |
2776 | if (!crtc->primary->fb) { |
2721 | DRM_DEBUG_KMS("CRTC doesn't have current FB\n"); |
2777 | DRM_DEBUG_KMS("CRTC doesn't have current FB\n"); |
2722 | ret = -EINVAL; |
2778 | ret = -EINVAL; |
2723 | goto out; |
2779 | goto out; |
2724 | } |
2780 | } |
2725 | fb = crtc->primary->fb; |
2781 | fb = crtc->primary->fb; |
2726 | /* Make refcounting symmetric with the lookup path. */ |
2782 | /* Make refcounting symmetric with the lookup path. */ |
2727 | drm_framebuffer_reference(fb); |
2783 | drm_framebuffer_reference(fb); |
2728 | } else { |
2784 | } else { |
2729 | fb = drm_framebuffer_lookup(dev, crtc_req->fb_id); |
2785 | fb = drm_framebuffer_lookup(dev, crtc_req->fb_id); |
2730 | if (!fb) { |
2786 | if (!fb) { |
2731 | DRM_DEBUG_KMS("Unknown FB ID%d\n", |
2787 | DRM_DEBUG_KMS("Unknown FB ID%d\n", |
2732 | crtc_req->fb_id); |
2788 | crtc_req->fb_id); |
2733 | ret = -ENOENT; |
2789 | ret = -ENOENT; |
2734 | goto out; |
2790 | goto out; |
2735 | } |
2791 | } |
2736 | } |
2792 | } |
2737 | 2793 | ||
2738 | mode = drm_mode_create(dev); |
2794 | mode = drm_mode_create(dev); |
2739 | if (!mode) { |
2795 | if (!mode) { |
2740 | ret = -ENOMEM; |
2796 | ret = -ENOMEM; |
2741 | goto out; |
2797 | goto out; |
2742 | } |
2798 | } |
2743 | 2799 | ||
2744 | ret = drm_mode_convert_umode(mode, &crtc_req->mode); |
2800 | ret = drm_mode_convert_umode(mode, &crtc_req->mode); |
2745 | if (ret) { |
2801 | if (ret) { |
2746 | DRM_DEBUG_KMS("Invalid mode\n"); |
2802 | DRM_DEBUG_KMS("Invalid mode\n"); |
2747 | goto out; |
2803 | goto out; |
2748 | } |
2804 | } |
2749 | - | ||
2750 | drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V); |
- | |
2751 | 2805 | ||
2752 | /* |
2806 | /* |
2753 | * Check whether the primary plane supports the fb pixel format. |
2807 | * Check whether the primary plane supports the fb pixel format. |
2754 | * Drivers not implementing the universal planes API use a |
2808 | * Drivers not implementing the universal planes API use a |
2755 | * default formats list provided by the DRM core which doesn't |
2809 | * default formats list provided by the DRM core which doesn't |
2756 | * match real hardware capabilities. Skip the check in that |
2810 | * match real hardware capabilities. Skip the check in that |
2757 | * case. |
2811 | * case. |
2758 | */ |
2812 | */ |
2759 | if (!crtc->primary->format_default) { |
2813 | if (!crtc->primary->format_default) { |
2760 | ret = drm_plane_check_pixel_format(crtc->primary, |
2814 | ret = drm_plane_check_pixel_format(crtc->primary, |
2761 | fb->pixel_format); |
2815 | fb->pixel_format); |
2762 | if (ret) { |
2816 | if (ret) { |
2763 | DRM_DEBUG_KMS("Invalid pixel format %s\n", |
2817 | DRM_DEBUG_KMS("Invalid pixel format %s\n", |
2764 | drm_get_format_name(fb->pixel_format)); |
2818 | drm_get_format_name(fb->pixel_format)); |
2765 | goto out; |
2819 | goto out; |
2766 | } |
2820 | } |
2767 | } |
2821 | } |
2768 | 2822 | ||
2769 | ret = drm_crtc_check_viewport(crtc, crtc_req->x, crtc_req->y, |
2823 | ret = drm_crtc_check_viewport(crtc, crtc_req->x, crtc_req->y, |
2770 | mode, fb); |
2824 | mode, fb); |
2771 | if (ret) |
2825 | if (ret) |
2772 | goto out; |
2826 | goto out; |
2773 | 2827 | ||
2774 | } |
2828 | } |
2775 | 2829 | ||
2776 | if (crtc_req->count_connectors == 0 && mode) { |
2830 | if (crtc_req->count_connectors == 0 && mode) { |
2777 | DRM_DEBUG_KMS("Count connectors is 0 but mode set\n"); |
2831 | DRM_DEBUG_KMS("Count connectors is 0 but mode set\n"); |
2778 | ret = -EINVAL; |
2832 | ret = -EINVAL; |
2779 | goto out; |
2833 | goto out; |
2780 | } |
2834 | } |
2781 | 2835 | ||
2782 | if (crtc_req->count_connectors > 0 && (!mode || !fb)) { |
2836 | if (crtc_req->count_connectors > 0 && (!mode || !fb)) { |
2783 | DRM_DEBUG_KMS("Count connectors is %d but no mode or fb set\n", |
2837 | DRM_DEBUG_KMS("Count connectors is %d but no mode or fb set\n", |
2784 | crtc_req->count_connectors); |
2838 | crtc_req->count_connectors); |
2785 | ret = -EINVAL; |
2839 | ret = -EINVAL; |
2786 | goto out; |
2840 | goto out; |
2787 | } |
2841 | } |
2788 | 2842 | ||
2789 | if (crtc_req->count_connectors > 0) { |
2843 | if (crtc_req->count_connectors > 0) { |
2790 | u32 out_id; |
2844 | u32 out_id; |
2791 | 2845 | ||
2792 | /* Avoid unbounded kernel memory allocation */ |
2846 | /* Avoid unbounded kernel memory allocation */ |
2793 | if (crtc_req->count_connectors > config->num_connector) { |
2847 | if (crtc_req->count_connectors > config->num_connector) { |
2794 | ret = -EINVAL; |
2848 | ret = -EINVAL; |
2795 | goto out; |
2849 | goto out; |
2796 | } |
2850 | } |
2797 | 2851 | ||
2798 | connector_set = kmalloc_array(crtc_req->count_connectors, |
2852 | connector_set = kmalloc_array(crtc_req->count_connectors, |
2799 | sizeof(struct drm_connector *), |
2853 | sizeof(struct drm_connector *), |
2800 | GFP_KERNEL); |
2854 | GFP_KERNEL); |
2801 | if (!connector_set) { |
2855 | if (!connector_set) { |
2802 | ret = -ENOMEM; |
2856 | ret = -ENOMEM; |
2803 | goto out; |
2857 | goto out; |
2804 | } |
2858 | } |
2805 | 2859 | ||
2806 | for (i = 0; i < crtc_req->count_connectors; i++) { |
2860 | for (i = 0; i < crtc_req->count_connectors; i++) { |
2807 | set_connectors_ptr = (uint32_t __user *)(unsigned long)crtc_req->set_connectors_ptr; |
2861 | set_connectors_ptr = (uint32_t __user *)(unsigned long)crtc_req->set_connectors_ptr; |
2808 | if (get_user(out_id, &set_connectors_ptr[i])) { |
2862 | if (get_user(out_id, &set_connectors_ptr[i])) { |
2809 | ret = -EFAULT; |
2863 | ret = -EFAULT; |
2810 | goto out; |
2864 | goto out; |
2811 | } |
2865 | } |
2812 | 2866 | ||
2813 | connector = drm_connector_find(dev, out_id); |
2867 | connector = drm_connector_find(dev, out_id); |
2814 | if (!connector) { |
2868 | if (!connector) { |
2815 | DRM_DEBUG_KMS("Connector id %d unknown\n", |
2869 | DRM_DEBUG_KMS("Connector id %d unknown\n", |
2816 | out_id); |
2870 | out_id); |
2817 | ret = -ENOENT; |
2871 | ret = -ENOENT; |
2818 | goto out; |
2872 | goto out; |
2819 | } |
2873 | } |
2820 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", |
2874 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", |
2821 | connector->base.id, |
2875 | connector->base.id, |
2822 | connector->name); |
2876 | connector->name); |
2823 | 2877 | ||
2824 | connector_set[i] = connector; |
2878 | connector_set[i] = connector; |
2825 | } |
2879 | } |
2826 | } |
2880 | } |
2827 | 2881 | ||
2828 | set.crtc = crtc; |
2882 | set.crtc = crtc; |
2829 | set.x = crtc_req->x; |
2883 | set.x = crtc_req->x; |
2830 | set.y = crtc_req->y; |
2884 | set.y = crtc_req->y; |
2831 | set.mode = mode; |
2885 | set.mode = mode; |
2832 | set.connectors = connector_set; |
2886 | set.connectors = connector_set; |
2833 | set.num_connectors = crtc_req->count_connectors; |
2887 | set.num_connectors = crtc_req->count_connectors; |
2834 | set.fb = fb; |
2888 | set.fb = fb; |
2835 | ret = drm_mode_set_config_internal(&set); |
2889 | ret = drm_mode_set_config_internal(&set); |
2836 | 2890 | ||
2837 | out: |
2891 | out: |
2838 | if (fb) |
2892 | if (fb) |
2839 | drm_framebuffer_unreference(fb); |
2893 | drm_framebuffer_unreference(fb); |
2840 | 2894 | ||
2841 | kfree(connector_set); |
2895 | kfree(connector_set); |
2842 | drm_mode_destroy(dev, mode); |
2896 | drm_mode_destroy(dev, mode); |
2843 | drm_modeset_unlock_all(dev); |
2897 | drm_modeset_unlock_all(dev); |
2844 | return ret; |
2898 | return ret; |
2845 | } |
2899 | } |
2846 | 2900 | ||
2847 | static int drm_mode_cursor_common(struct drm_device *dev, |
2901 | static int drm_mode_cursor_common(struct drm_device *dev, |
2848 | struct drm_mode_cursor2 *req, |
2902 | struct drm_mode_cursor2 *req, |
2849 | struct drm_file *file_priv) |
2903 | struct drm_file *file_priv) |
2850 | { |
2904 | { |
2851 | struct drm_crtc *crtc; |
2905 | struct drm_crtc *crtc; |
2852 | int ret = 0; |
2906 | int ret = 0; |
2853 | 2907 | ||
2854 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2908 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2855 | return -EINVAL; |
2909 | return -EINVAL; |
2856 | 2910 | ||
2857 | if (!req->flags || (~DRM_MODE_CURSOR_FLAGS & req->flags)) |
2911 | if (!req->flags || (~DRM_MODE_CURSOR_FLAGS & req->flags)) |
2858 | return -EINVAL; |
2912 | return -EINVAL; |
2859 | 2913 | ||
2860 | crtc = drm_crtc_find(dev, req->crtc_id); |
2914 | crtc = drm_crtc_find(dev, req->crtc_id); |
2861 | if (!crtc) { |
2915 | if (!crtc) { |
2862 | DRM_DEBUG_KMS("Unknown CRTC ID %d\n", req->crtc_id); |
2916 | DRM_DEBUG_KMS("Unknown CRTC ID %d\n", req->crtc_id); |
2863 | return -ENOENT; |
2917 | return -ENOENT; |
2864 | } |
2918 | } |
2865 | 2919 | ||
2866 | /* |
2920 | /* |
2867 | * If this crtc has a universal cursor plane, call that plane's update |
2921 | * If this crtc has a universal cursor plane, call that plane's update |
2868 | * handler rather than using legacy cursor handlers. |
2922 | * handler rather than using legacy cursor handlers. |
2869 | */ |
2923 | */ |
2870 | drm_modeset_lock_crtc(crtc, crtc->cursor); |
2924 | drm_modeset_lock_crtc(crtc, crtc->cursor); |
2871 | if (crtc->cursor) { |
2925 | if (crtc->cursor) { |
2872 | ret = drm_mode_cursor_universal(crtc, req, file_priv); |
2926 | ret = drm_mode_cursor_universal(crtc, req, file_priv); |
2873 | goto out; |
2927 | goto out; |
2874 | } |
2928 | } |
2875 | 2929 | ||
2876 | if (req->flags & DRM_MODE_CURSOR_BO) { |
2930 | if (req->flags & DRM_MODE_CURSOR_BO) { |
2877 | if (!crtc->funcs->cursor_set && !crtc->funcs->cursor_set2) { |
2931 | if (!crtc->funcs->cursor_set && !crtc->funcs->cursor_set2) { |
2878 | ret = -ENXIO; |
2932 | ret = -ENXIO; |
2879 | goto out; |
2933 | goto out; |
2880 | } |
2934 | } |
2881 | /* Turns off the cursor if handle is 0 */ |
2935 | /* Turns off the cursor if handle is 0 */ |
2882 | if (crtc->funcs->cursor_set2) |
2936 | if (crtc->funcs->cursor_set2) |
2883 | ret = crtc->funcs->cursor_set2(crtc, file_priv, req->handle, |
2937 | ret = crtc->funcs->cursor_set2(crtc, file_priv, req->handle, |
2884 | req->width, req->height, req->hot_x, req->hot_y); |
2938 | req->width, req->height, req->hot_x, req->hot_y); |
2885 | else |
2939 | else |
2886 | ret = crtc->funcs->cursor_set(crtc, file_priv, req->handle, |
2940 | ret = crtc->funcs->cursor_set(crtc, file_priv, req->handle, |
2887 | req->width, req->height); |
2941 | req->width, req->height); |
2888 | } |
2942 | } |
2889 | 2943 | ||
2890 | if (req->flags & DRM_MODE_CURSOR_MOVE) { |
2944 | if (req->flags & DRM_MODE_CURSOR_MOVE) { |
2891 | if (crtc->funcs->cursor_move) { |
2945 | if (crtc->funcs->cursor_move) { |
2892 | ret = crtc->funcs->cursor_move(crtc, req->x, req->y); |
2946 | ret = crtc->funcs->cursor_move(crtc, req->x, req->y); |
2893 | } else { |
2947 | } else { |
2894 | ret = -EFAULT; |
2948 | ret = -EFAULT; |
2895 | goto out; |
2949 | goto out; |
2896 | } |
2950 | } |
2897 | } |
2951 | } |
2898 | out: |
2952 | out: |
2899 | drm_modeset_unlock_crtc(crtc); |
2953 | drm_modeset_unlock_crtc(crtc); |
2900 | 2954 | ||
2901 | return ret; |
2955 | return ret; |
2902 | 2956 | ||
2903 | } |
2957 | } |
2904 | 2958 | ||
2905 | 2959 | ||
2906 | /** |
2960 | /** |
2907 | * drm_mode_cursor_ioctl - set CRTC's cursor configuration |
2961 | * drm_mode_cursor_ioctl - set CRTC's cursor configuration |
2908 | * @dev: drm device for the ioctl |
2962 | * @dev: drm device for the ioctl |
2909 | * @data: data pointer for the ioctl |
2963 | * @data: data pointer for the ioctl |
2910 | * @file_priv: drm file for the ioctl call |
2964 | * @file_priv: drm file for the ioctl call |
2911 | * |
2965 | * |
2912 | * Set the cursor configuration based on user request. |
2966 | * Set the cursor configuration based on user request. |
2913 | * |
2967 | * |
2914 | * Called by the user via ioctl. |
2968 | * Called by the user via ioctl. |
2915 | * |
2969 | * |
2916 | * Returns: |
2970 | * Returns: |
2917 | * Zero on success, negative errno on failure. |
2971 | * Zero on success, negative errno on failure. |
2918 | */ |
2972 | */ |
2919 | int drm_mode_cursor_ioctl(struct drm_device *dev, |
2973 | int drm_mode_cursor_ioctl(struct drm_device *dev, |
2920 | void *data, struct drm_file *file_priv) |
2974 | void *data, struct drm_file *file_priv) |
2921 | { |
2975 | { |
2922 | struct drm_mode_cursor *req = data; |
2976 | struct drm_mode_cursor *req = data; |
2923 | struct drm_mode_cursor2 new_req; |
2977 | struct drm_mode_cursor2 new_req; |
2924 | 2978 | ||
2925 | memcpy(&new_req, req, sizeof(struct drm_mode_cursor)); |
2979 | memcpy(&new_req, req, sizeof(struct drm_mode_cursor)); |
2926 | new_req.hot_x = new_req.hot_y = 0; |
2980 | new_req.hot_x = new_req.hot_y = 0; |
2927 | 2981 | ||
2928 | return drm_mode_cursor_common(dev, &new_req, file_priv); |
2982 | return drm_mode_cursor_common(dev, &new_req, file_priv); |
2929 | } |
2983 | } |
2930 | 2984 | ||
2931 | /** |
2985 | /** |
2932 | * drm_mode_cursor2_ioctl - set CRTC's cursor configuration |
2986 | * drm_mode_cursor2_ioctl - set CRTC's cursor configuration |
2933 | * @dev: drm device for the ioctl |
2987 | * @dev: drm device for the ioctl |
2934 | * @data: data pointer for the ioctl |
2988 | * @data: data pointer for the ioctl |
2935 | * @file_priv: drm file for the ioctl call |
2989 | * @file_priv: drm file for the ioctl call |
2936 | * |
2990 | * |
2937 | * Set the cursor configuration based on user request. This implements the 2nd |
2991 | * Set the cursor configuration based on user request. This implements the 2nd |
2938 | * version of the cursor ioctl, which allows userspace to additionally specify |
2992 | * version of the cursor ioctl, which allows userspace to additionally specify |
2939 | * the hotspot of the pointer. |
2993 | * the hotspot of the pointer. |
2940 | * |
2994 | * |
2941 | * Called by the user via ioctl. |
2995 | * Called by the user via ioctl. |
2942 | * |
2996 | * |
2943 | * Returns: |
2997 | * Returns: |
2944 | * Zero on success, negative errno on failure. |
2998 | * Zero on success, negative errno on failure. |
2945 | */ |
2999 | */ |
2946 | int drm_mode_cursor2_ioctl(struct drm_device *dev, |
3000 | int drm_mode_cursor2_ioctl(struct drm_device *dev, |
2947 | void *data, struct drm_file *file_priv) |
3001 | void *data, struct drm_file *file_priv) |
2948 | { |
3002 | { |
2949 | struct drm_mode_cursor2 *req = data; |
3003 | struct drm_mode_cursor2 *req = data; |
2950 | 3004 | ||
2951 | return drm_mode_cursor_common(dev, req, file_priv); |
3005 | return drm_mode_cursor_common(dev, req, file_priv); |
2952 | } |
3006 | } |
2953 | #endif |
3007 | #endif |
2954 | 3008 | ||
2955 | /** |
3009 | /** |
2956 | * drm_mode_legacy_fb_format - compute drm fourcc code from legacy description |
3010 | * drm_mode_legacy_fb_format - compute drm fourcc code from legacy description |
2957 | * @bpp: bits per pixels |
3011 | * @bpp: bits per pixels |
2958 | * @depth: bit depth per pixel |
3012 | * @depth: bit depth per pixel |
2959 | * |
3013 | * |
2960 | * Computes a drm fourcc pixel format code for the given @bpp/@depth values. |
3014 | * Computes a drm fourcc pixel format code for the given @bpp/@depth values. |
2961 | * Useful in fbdev emulation code, since that deals in those values. |
3015 | * Useful in fbdev emulation code, since that deals in those values. |
2962 | */ |
3016 | */ |
2963 | uint32_t drm_mode_legacy_fb_format(uint32_t bpp, uint32_t depth) |
3017 | uint32_t drm_mode_legacy_fb_format(uint32_t bpp, uint32_t depth) |
2964 | { |
3018 | { |
2965 | uint32_t fmt; |
3019 | uint32_t fmt; |
2966 | 3020 | ||
2967 | switch (bpp) { |
3021 | switch (bpp) { |
2968 | case 8: |
3022 | case 8: |
2969 | fmt = DRM_FORMAT_C8; |
3023 | fmt = DRM_FORMAT_C8; |
2970 | break; |
3024 | break; |
2971 | case 16: |
3025 | case 16: |
2972 | if (depth == 15) |
3026 | if (depth == 15) |
2973 | fmt = DRM_FORMAT_XRGB1555; |
3027 | fmt = DRM_FORMAT_XRGB1555; |
2974 | else |
3028 | else |
2975 | fmt = DRM_FORMAT_RGB565; |
3029 | fmt = DRM_FORMAT_RGB565; |
2976 | break; |
3030 | break; |
2977 | case 24: |
3031 | case 24: |
2978 | fmt = DRM_FORMAT_RGB888; |
3032 | fmt = DRM_FORMAT_RGB888; |
2979 | break; |
3033 | break; |
2980 | case 32: |
3034 | case 32: |
2981 | if (depth == 24) |
3035 | if (depth == 24) |
2982 | fmt = DRM_FORMAT_XRGB8888; |
3036 | fmt = DRM_FORMAT_XRGB8888; |
2983 | else if (depth == 30) |
3037 | else if (depth == 30) |
2984 | fmt = DRM_FORMAT_XRGB2101010; |
3038 | fmt = DRM_FORMAT_XRGB2101010; |
2985 | else |
3039 | else |
2986 | fmt = DRM_FORMAT_ARGB8888; |
3040 | fmt = DRM_FORMAT_ARGB8888; |
2987 | break; |
3041 | break; |
2988 | default: |
3042 | default: |
2989 | DRM_ERROR("bad bpp, assuming x8r8g8b8 pixel format\n"); |
3043 | DRM_ERROR("bad bpp, assuming x8r8g8b8 pixel format\n"); |
2990 | fmt = DRM_FORMAT_XRGB8888; |
3044 | fmt = DRM_FORMAT_XRGB8888; |
2991 | break; |
3045 | break; |
2992 | } |
3046 | } |
2993 | 3047 | ||
2994 | return fmt; |
3048 | return fmt; |
2995 | } |
3049 | } |
2996 | EXPORT_SYMBOL(drm_mode_legacy_fb_format); |
3050 | EXPORT_SYMBOL(drm_mode_legacy_fb_format); |
2997 | #if 0 |
3051 | #if 0 |
2998 | /** |
3052 | /** |
2999 | * drm_mode_addfb - add an FB to the graphics configuration |
3053 | * drm_mode_addfb - add an FB to the graphics configuration |
3000 | * @dev: drm device for the ioctl |
3054 | * @dev: drm device for the ioctl |
3001 | * @data: data pointer for the ioctl |
3055 | * @data: data pointer for the ioctl |
3002 | * @file_priv: drm file for the ioctl call |
3056 | * @file_priv: drm file for the ioctl call |
3003 | * |
3057 | * |
3004 | * Add a new FB to the specified CRTC, given a user request. This is the |
3058 | * Add a new FB to the specified CRTC, given a user request. This is the |
3005 | * original addfb ioctl which only supported RGB formats. |
3059 | * original addfb ioctl which only supported RGB formats. |
3006 | * |
3060 | * |
3007 | * Called by the user via ioctl. |
3061 | * Called by the user via ioctl. |
3008 | * |
3062 | * |
3009 | * Returns: |
3063 | * Returns: |
3010 | * Zero on success, negative errno on failure. |
3064 | * Zero on success, negative errno on failure. |
3011 | */ |
3065 | */ |
3012 | int drm_mode_addfb(struct drm_device *dev, |
3066 | int drm_mode_addfb(struct drm_device *dev, |
3013 | void *data, struct drm_file *file_priv) |
3067 | void *data, struct drm_file *file_priv) |
3014 | { |
3068 | { |
3015 | struct drm_mode_fb_cmd *or = data; |
3069 | struct drm_mode_fb_cmd *or = data; |
3016 | struct drm_mode_fb_cmd2 r = {}; |
3070 | struct drm_mode_fb_cmd2 r = {}; |
3017 | int ret; |
3071 | int ret; |
3018 | 3072 | ||
3019 | /* convert to new format and call new ioctl */ |
3073 | /* convert to new format and call new ioctl */ |
3020 | r.fb_id = or->fb_id; |
3074 | r.fb_id = or->fb_id; |
3021 | r.width = or->width; |
3075 | r.width = or->width; |
3022 | r.height = or->height; |
3076 | r.height = or->height; |
3023 | r.pitches[0] = or->pitch; |
3077 | r.pitches[0] = or->pitch; |
3024 | r.pixel_format = drm_mode_legacy_fb_format(or->bpp, or->depth); |
3078 | r.pixel_format = drm_mode_legacy_fb_format(or->bpp, or->depth); |
3025 | r.handles[0] = or->handle; |
3079 | r.handles[0] = or->handle; |
3026 | 3080 | ||
3027 | ret = drm_mode_addfb2(dev, &r, file_priv); |
3081 | ret = drm_mode_addfb2(dev, &r, file_priv); |
3028 | if (ret) |
3082 | if (ret) |
3029 | return ret; |
3083 | return ret; |
3030 | 3084 | ||
3031 | or->fb_id = r.fb_id; |
3085 | or->fb_id = r.fb_id; |
3032 | 3086 | ||
3033 | return 0; |
3087 | return 0; |
3034 | } |
3088 | } |
3035 | 3089 | ||
3036 | static int format_check(const struct drm_mode_fb_cmd2 *r) |
3090 | static int format_check(const struct drm_mode_fb_cmd2 *r) |
3037 | { |
3091 | { |
3038 | uint32_t format = r->pixel_format & ~DRM_FORMAT_BIG_ENDIAN; |
3092 | uint32_t format = r->pixel_format & ~DRM_FORMAT_BIG_ENDIAN; |
3039 | 3093 | ||
3040 | switch (format) { |
3094 | switch (format) { |
3041 | case DRM_FORMAT_C8: |
3095 | case DRM_FORMAT_C8: |
3042 | case DRM_FORMAT_RGB332: |
3096 | case DRM_FORMAT_RGB332: |
3043 | case DRM_FORMAT_BGR233: |
3097 | case DRM_FORMAT_BGR233: |
3044 | case DRM_FORMAT_XRGB4444: |
3098 | case DRM_FORMAT_XRGB4444: |
3045 | case DRM_FORMAT_XBGR4444: |
3099 | case DRM_FORMAT_XBGR4444: |
3046 | case DRM_FORMAT_RGBX4444: |
3100 | case DRM_FORMAT_RGBX4444: |
3047 | case DRM_FORMAT_BGRX4444: |
3101 | case DRM_FORMAT_BGRX4444: |
3048 | case DRM_FORMAT_ARGB4444: |
3102 | case DRM_FORMAT_ARGB4444: |
3049 | case DRM_FORMAT_ABGR4444: |
3103 | case DRM_FORMAT_ABGR4444: |
3050 | case DRM_FORMAT_RGBA4444: |
3104 | case DRM_FORMAT_RGBA4444: |
3051 | case DRM_FORMAT_BGRA4444: |
3105 | case DRM_FORMAT_BGRA4444: |
3052 | case DRM_FORMAT_XRGB1555: |
3106 | case DRM_FORMAT_XRGB1555: |
3053 | case DRM_FORMAT_XBGR1555: |
3107 | case DRM_FORMAT_XBGR1555: |
3054 | case DRM_FORMAT_RGBX5551: |
3108 | case DRM_FORMAT_RGBX5551: |
3055 | case DRM_FORMAT_BGRX5551: |
3109 | case DRM_FORMAT_BGRX5551: |
3056 | case DRM_FORMAT_ARGB1555: |
3110 | case DRM_FORMAT_ARGB1555: |
3057 | case DRM_FORMAT_ABGR1555: |
3111 | case DRM_FORMAT_ABGR1555: |
3058 | case DRM_FORMAT_RGBA5551: |
3112 | case DRM_FORMAT_RGBA5551: |
3059 | case DRM_FORMAT_BGRA5551: |
3113 | case DRM_FORMAT_BGRA5551: |
3060 | case DRM_FORMAT_RGB565: |
3114 | case DRM_FORMAT_RGB565: |
3061 | case DRM_FORMAT_BGR565: |
3115 | case DRM_FORMAT_BGR565: |
3062 | case DRM_FORMAT_RGB888: |
3116 | case DRM_FORMAT_RGB888: |
3063 | case DRM_FORMAT_BGR888: |
3117 | case DRM_FORMAT_BGR888: |
3064 | case DRM_FORMAT_XRGB8888: |
3118 | case DRM_FORMAT_XRGB8888: |
3065 | case DRM_FORMAT_XBGR8888: |
3119 | case DRM_FORMAT_XBGR8888: |
3066 | case DRM_FORMAT_RGBX8888: |
3120 | case DRM_FORMAT_RGBX8888: |
3067 | case DRM_FORMAT_BGRX8888: |
3121 | case DRM_FORMAT_BGRX8888: |
3068 | case DRM_FORMAT_ARGB8888: |
3122 | case DRM_FORMAT_ARGB8888: |
3069 | case DRM_FORMAT_ABGR8888: |
3123 | case DRM_FORMAT_ABGR8888: |
3070 | case DRM_FORMAT_RGBA8888: |
3124 | case DRM_FORMAT_RGBA8888: |
3071 | case DRM_FORMAT_BGRA8888: |
3125 | case DRM_FORMAT_BGRA8888: |
3072 | case DRM_FORMAT_XRGB2101010: |
3126 | case DRM_FORMAT_XRGB2101010: |
3073 | case DRM_FORMAT_XBGR2101010: |
3127 | case DRM_FORMAT_XBGR2101010: |
3074 | case DRM_FORMAT_RGBX1010102: |
3128 | case DRM_FORMAT_RGBX1010102: |
3075 | case DRM_FORMAT_BGRX1010102: |
3129 | case DRM_FORMAT_BGRX1010102: |
3076 | case DRM_FORMAT_ARGB2101010: |
3130 | case DRM_FORMAT_ARGB2101010: |
3077 | case DRM_FORMAT_ABGR2101010: |
3131 | case DRM_FORMAT_ABGR2101010: |
3078 | case DRM_FORMAT_RGBA1010102: |
3132 | case DRM_FORMAT_RGBA1010102: |
3079 | case DRM_FORMAT_BGRA1010102: |
3133 | case DRM_FORMAT_BGRA1010102: |
3080 | case DRM_FORMAT_YUYV: |
3134 | case DRM_FORMAT_YUYV: |
3081 | case DRM_FORMAT_YVYU: |
3135 | case DRM_FORMAT_YVYU: |
3082 | case DRM_FORMAT_UYVY: |
3136 | case DRM_FORMAT_UYVY: |
3083 | case DRM_FORMAT_VYUY: |
3137 | case DRM_FORMAT_VYUY: |
3084 | case DRM_FORMAT_AYUV: |
3138 | case DRM_FORMAT_AYUV: |
3085 | case DRM_FORMAT_NV12: |
3139 | case DRM_FORMAT_NV12: |
3086 | case DRM_FORMAT_NV21: |
3140 | case DRM_FORMAT_NV21: |
3087 | case DRM_FORMAT_NV16: |
3141 | case DRM_FORMAT_NV16: |
3088 | case DRM_FORMAT_NV61: |
3142 | case DRM_FORMAT_NV61: |
3089 | case DRM_FORMAT_NV24: |
3143 | case DRM_FORMAT_NV24: |
3090 | case DRM_FORMAT_NV42: |
3144 | case DRM_FORMAT_NV42: |
3091 | case DRM_FORMAT_YUV410: |
3145 | case DRM_FORMAT_YUV410: |
3092 | case DRM_FORMAT_YVU410: |
3146 | case DRM_FORMAT_YVU410: |
3093 | case DRM_FORMAT_YUV411: |
3147 | case DRM_FORMAT_YUV411: |
3094 | case DRM_FORMAT_YVU411: |
3148 | case DRM_FORMAT_YVU411: |
3095 | case DRM_FORMAT_YUV420: |
3149 | case DRM_FORMAT_YUV420: |
3096 | case DRM_FORMAT_YVU420: |
3150 | case DRM_FORMAT_YVU420: |
3097 | case DRM_FORMAT_YUV422: |
3151 | case DRM_FORMAT_YUV422: |
3098 | case DRM_FORMAT_YVU422: |
3152 | case DRM_FORMAT_YVU422: |
3099 | case DRM_FORMAT_YUV444: |
3153 | case DRM_FORMAT_YUV444: |
3100 | case DRM_FORMAT_YVU444: |
3154 | case DRM_FORMAT_YVU444: |
3101 | return 0; |
3155 | return 0; |
3102 | default: |
3156 | default: |
3103 | DRM_DEBUG_KMS("invalid pixel format %s\n", |
3157 | DRM_DEBUG_KMS("invalid pixel format %s\n", |
3104 | drm_get_format_name(r->pixel_format)); |
3158 | drm_get_format_name(r->pixel_format)); |
3105 | return -EINVAL; |
3159 | return -EINVAL; |
3106 | } |
3160 | } |
3107 | } |
3161 | } |
3108 | 3162 | ||
3109 | static int framebuffer_check(const struct drm_mode_fb_cmd2 *r) |
3163 | static int framebuffer_check(const struct drm_mode_fb_cmd2 *r) |
3110 | { |
3164 | { |
3111 | int ret, hsub, vsub, num_planes, i; |
3165 | int ret, hsub, vsub, num_planes, i; |
3112 | 3166 | ||
3113 | ret = format_check(r); |
3167 | ret = format_check(r); |
3114 | if (ret) { |
3168 | if (ret) { |
3115 | DRM_DEBUG_KMS("bad framebuffer format %s\n", |
3169 | DRM_DEBUG_KMS("bad framebuffer format %s\n", |
3116 | drm_get_format_name(r->pixel_format)); |
3170 | drm_get_format_name(r->pixel_format)); |
3117 | return ret; |
3171 | return ret; |
3118 | } |
3172 | } |
3119 | 3173 | ||
3120 | hsub = drm_format_horz_chroma_subsampling(r->pixel_format); |
3174 | hsub = drm_format_horz_chroma_subsampling(r->pixel_format); |
3121 | vsub = drm_format_vert_chroma_subsampling(r->pixel_format); |
3175 | vsub = drm_format_vert_chroma_subsampling(r->pixel_format); |
3122 | num_planes = drm_format_num_planes(r->pixel_format); |
3176 | num_planes = drm_format_num_planes(r->pixel_format); |
3123 | 3177 | ||
3124 | if (r->width == 0 || r->width % hsub) { |
3178 | if (r->width == 0 || r->width % hsub) { |
3125 | DRM_DEBUG_KMS("bad framebuffer width %u\n", r->width); |
3179 | DRM_DEBUG_KMS("bad framebuffer width %u\n", r->width); |
3126 | return -EINVAL; |
3180 | return -EINVAL; |
3127 | } |
3181 | } |
3128 | 3182 | ||
3129 | if (r->height == 0 || r->height % vsub) { |
3183 | if (r->height == 0 || r->height % vsub) { |
3130 | DRM_DEBUG_KMS("bad framebuffer height %u\n", r->height); |
3184 | DRM_DEBUG_KMS("bad framebuffer height %u\n", r->height); |
3131 | return -EINVAL; |
3185 | return -EINVAL; |
3132 | } |
3186 | } |
3133 | 3187 | ||
3134 | for (i = 0; i < num_planes; i++) { |
3188 | for (i = 0; i < num_planes; i++) { |
3135 | unsigned int width = r->width / (i != 0 ? hsub : 1); |
3189 | unsigned int width = r->width / (i != 0 ? hsub : 1); |
3136 | unsigned int height = r->height / (i != 0 ? vsub : 1); |
3190 | unsigned int height = r->height / (i != 0 ? vsub : 1); |
3137 | unsigned int cpp = drm_format_plane_cpp(r->pixel_format, i); |
3191 | unsigned int cpp = drm_format_plane_cpp(r->pixel_format, i); |
3138 | 3192 | ||
3139 | if (!r->handles[i]) { |
3193 | if (!r->handles[i]) { |
3140 | DRM_DEBUG_KMS("no buffer object handle for plane %d\n", i); |
3194 | DRM_DEBUG_KMS("no buffer object handle for plane %d\n", i); |
3141 | return -EINVAL; |
3195 | return -EINVAL; |
3142 | } |
3196 | } |
3143 | 3197 | ||
3144 | if ((uint64_t) width * cpp > UINT_MAX) |
3198 | if ((uint64_t) width * cpp > UINT_MAX) |
3145 | return -ERANGE; |
3199 | return -ERANGE; |
3146 | 3200 | ||
3147 | if ((uint64_t) height * r->pitches[i] + r->offsets[i] > UINT_MAX) |
3201 | if ((uint64_t) height * r->pitches[i] + r->offsets[i] > UINT_MAX) |
3148 | return -ERANGE; |
3202 | return -ERANGE; |
3149 | 3203 | ||
3150 | if (r->pitches[i] < width * cpp) { |
3204 | if (r->pitches[i] < width * cpp) { |
3151 | DRM_DEBUG_KMS("bad pitch %u for plane %d\n", r->pitches[i], i); |
3205 | DRM_DEBUG_KMS("bad pitch %u for plane %d\n", r->pitches[i], i); |
3152 | return -EINVAL; |
3206 | return -EINVAL; |
3153 | } |
3207 | } |
3154 | 3208 | ||
3155 | if (r->modifier[i] && !(r->flags & DRM_MODE_FB_MODIFIERS)) { |
3209 | if (r->modifier[i] && !(r->flags & DRM_MODE_FB_MODIFIERS)) { |
3156 | DRM_DEBUG_KMS("bad fb modifier %llu for plane %d\n", |
3210 | DRM_DEBUG_KMS("bad fb modifier %llu for plane %d\n", |
3157 | r->modifier[i], i); |
3211 | r->modifier[i], i); |
3158 | return -EINVAL; |
3212 | return -EINVAL; |
3159 | } |
3213 | } |
3160 | 3214 | ||
3161 | /* modifier specific checks: */ |
3215 | /* modifier specific checks: */ |
3162 | switch (r->modifier[i]) { |
3216 | switch (r->modifier[i]) { |
3163 | case DRM_FORMAT_MOD_SAMSUNG_64_32_TILE: |
3217 | case DRM_FORMAT_MOD_SAMSUNG_64_32_TILE: |
3164 | /* NOTE: the pitch restriction may be lifted later if it turns |
3218 | /* NOTE: the pitch restriction may be lifted later if it turns |
3165 | * out that no hw has this restriction: |
3219 | * out that no hw has this restriction: |
3166 | */ |
3220 | */ |
3167 | if (r->pixel_format != DRM_FORMAT_NV12 || |
3221 | if (r->pixel_format != DRM_FORMAT_NV12 || |
3168 | width % 128 || height % 32 || |
3222 | width % 128 || height % 32 || |
3169 | r->pitches[i] % 128) { |
3223 | r->pitches[i] % 128) { |
3170 | DRM_DEBUG_KMS("bad modifier data for plane %d\n", i); |
3224 | DRM_DEBUG_KMS("bad modifier data for plane %d\n", i); |
3171 | return -EINVAL; |
3225 | return -EINVAL; |
3172 | } |
3226 | } |
3173 | break; |
3227 | break; |
3174 | 3228 | ||
3175 | default: |
3229 | default: |
3176 | break; |
3230 | break; |
3177 | } |
3231 | } |
3178 | } |
3232 | } |
3179 | 3233 | ||
3180 | for (i = num_planes; i < 4; i++) { |
3234 | for (i = num_planes; i < 4; i++) { |
3181 | if (r->modifier[i]) { |
3235 | if (r->modifier[i]) { |
3182 | DRM_DEBUG_KMS("non-zero modifier for unused plane %d\n", i); |
3236 | DRM_DEBUG_KMS("non-zero modifier for unused plane %d\n", i); |
3183 | return -EINVAL; |
3237 | return -EINVAL; |
3184 | } |
3238 | } |
3185 | 3239 | ||
3186 | /* Pre-FB_MODIFIERS userspace didn't clear the structs properly. */ |
3240 | /* Pre-FB_MODIFIERS userspace didn't clear the structs properly. */ |
3187 | if (!(r->flags & DRM_MODE_FB_MODIFIERS)) |
3241 | if (!(r->flags & DRM_MODE_FB_MODIFIERS)) |
3188 | continue; |
3242 | continue; |
3189 | 3243 | ||
3190 | if (r->handles[i]) { |
3244 | if (r->handles[i]) { |
3191 | DRM_DEBUG_KMS("buffer object handle for unused plane %d\n", i); |
3245 | DRM_DEBUG_KMS("buffer object handle for unused plane %d\n", i); |
3192 | return -EINVAL; |
3246 | return -EINVAL; |
3193 | } |
3247 | } |
3194 | 3248 | ||
3195 | if (r->pitches[i]) { |
3249 | if (r->pitches[i]) { |
3196 | DRM_DEBUG_KMS("non-zero pitch for unused plane %d\n", i); |
3250 | DRM_DEBUG_KMS("non-zero pitch for unused plane %d\n", i); |
3197 | return -EINVAL; |
3251 | return -EINVAL; |
3198 | } |
3252 | } |
3199 | 3253 | ||
3200 | if (r->offsets[i]) { |
3254 | if (r->offsets[i]) { |
3201 | DRM_DEBUG_KMS("non-zero offset for unused plane %d\n", i); |
3255 | DRM_DEBUG_KMS("non-zero offset for unused plane %d\n", i); |
3202 | return -EINVAL; |
3256 | return -EINVAL; |
3203 | } |
3257 | } |
3204 | } |
3258 | } |
3205 | 3259 | ||
3206 | return 0; |
3260 | return 0; |
3207 | } |
3261 | } |
3208 | 3262 | ||
3209 | static struct drm_framebuffer * |
3263 | static struct drm_framebuffer * |
3210 | internal_framebuffer_create(struct drm_device *dev, |
3264 | internal_framebuffer_create(struct drm_device *dev, |
3211 | const struct drm_mode_fb_cmd2 *r, |
3265 | const struct drm_mode_fb_cmd2 *r, |
3212 | struct drm_file *file_priv) |
3266 | struct drm_file *file_priv) |
3213 | { |
3267 | { |
3214 | struct drm_mode_config *config = &dev->mode_config; |
3268 | struct drm_mode_config *config = &dev->mode_config; |
3215 | struct drm_framebuffer *fb; |
3269 | struct drm_framebuffer *fb; |
3216 | int ret; |
3270 | int ret; |
3217 | 3271 | ||
3218 | if (r->flags & ~(DRM_MODE_FB_INTERLACED | DRM_MODE_FB_MODIFIERS)) { |
3272 | if (r->flags & ~(DRM_MODE_FB_INTERLACED | DRM_MODE_FB_MODIFIERS)) { |
3219 | DRM_DEBUG_KMS("bad framebuffer flags 0x%08x\n", r->flags); |
3273 | DRM_DEBUG_KMS("bad framebuffer flags 0x%08x\n", r->flags); |
3220 | return ERR_PTR(-EINVAL); |
3274 | return ERR_PTR(-EINVAL); |
3221 | } |
3275 | } |
3222 | 3276 | ||
3223 | if ((config->min_width > r->width) || (r->width > config->max_width)) { |
3277 | if ((config->min_width > r->width) || (r->width > config->max_width)) { |
3224 | DRM_DEBUG_KMS("bad framebuffer width %d, should be >= %d && <= %d\n", |
3278 | DRM_DEBUG_KMS("bad framebuffer width %d, should be >= %d && <= %d\n", |
3225 | r->width, config->min_width, config->max_width); |
3279 | r->width, config->min_width, config->max_width); |
3226 | return ERR_PTR(-EINVAL); |
3280 | return ERR_PTR(-EINVAL); |
3227 | } |
3281 | } |
3228 | if ((config->min_height > r->height) || (r->height > config->max_height)) { |
3282 | if ((config->min_height > r->height) || (r->height > config->max_height)) { |
3229 | DRM_DEBUG_KMS("bad framebuffer height %d, should be >= %d && <= %d\n", |
3283 | DRM_DEBUG_KMS("bad framebuffer height %d, should be >= %d && <= %d\n", |
3230 | r->height, config->min_height, config->max_height); |
3284 | r->height, config->min_height, config->max_height); |
3231 | return ERR_PTR(-EINVAL); |
3285 | return ERR_PTR(-EINVAL); |
3232 | } |
3286 | } |
3233 | 3287 | ||
3234 | if (r->flags & DRM_MODE_FB_MODIFIERS && |
3288 | if (r->flags & DRM_MODE_FB_MODIFIERS && |
3235 | !dev->mode_config.allow_fb_modifiers) { |
3289 | !dev->mode_config.allow_fb_modifiers) { |
3236 | DRM_DEBUG_KMS("driver does not support fb modifiers\n"); |
3290 | DRM_DEBUG_KMS("driver does not support fb modifiers\n"); |
3237 | return ERR_PTR(-EINVAL); |
3291 | return ERR_PTR(-EINVAL); |
3238 | } |
3292 | } |
3239 | 3293 | ||
3240 | ret = framebuffer_check(r); |
3294 | ret = framebuffer_check(r); |
3241 | if (ret) |
3295 | if (ret) |
3242 | return ERR_PTR(ret); |
3296 | return ERR_PTR(ret); |
3243 | 3297 | ||
3244 | fb = dev->mode_config.funcs->fb_create(dev, file_priv, r); |
3298 | fb = dev->mode_config.funcs->fb_create(dev, file_priv, r); |
3245 | if (IS_ERR(fb)) { |
3299 | if (IS_ERR(fb)) { |
3246 | DRM_DEBUG_KMS("could not create framebuffer\n"); |
3300 | DRM_DEBUG_KMS("could not create framebuffer\n"); |
3247 | return fb; |
3301 | return fb; |
3248 | } |
3302 | } |
3249 | 3303 | ||
3250 | return fb; |
3304 | return fb; |
3251 | } |
3305 | } |
3252 | 3306 | ||
3253 | /** |
3307 | /** |
3254 | * drm_mode_addfb2 - add an FB to the graphics configuration |
3308 | * drm_mode_addfb2 - add an FB to the graphics configuration |
3255 | * @dev: drm device for the ioctl |
3309 | * @dev: drm device for the ioctl |
3256 | * @data: data pointer for the ioctl |
3310 | * @data: data pointer for the ioctl |
3257 | * @file_priv: drm file for the ioctl call |
3311 | * @file_priv: drm file for the ioctl call |
3258 | * |
3312 | * |
3259 | * Add a new FB to the specified CRTC, given a user request with format. This is |
3313 | * Add a new FB to the specified CRTC, given a user request with format. This is |
3260 | * the 2nd version of the addfb ioctl, which supports multi-planar framebuffers |
3314 | * the 2nd version of the addfb ioctl, which supports multi-planar framebuffers |
3261 | * and uses fourcc codes as pixel format specifiers. |
3315 | * and uses fourcc codes as pixel format specifiers. |
3262 | * |
3316 | * |
3263 | * Called by the user via ioctl. |
3317 | * Called by the user via ioctl. |
3264 | * |
3318 | * |
3265 | * Returns: |
3319 | * Returns: |
3266 | * Zero on success, negative errno on failure. |
3320 | * Zero on success, negative errno on failure. |
3267 | */ |
3321 | */ |
3268 | int drm_mode_addfb2(struct drm_device *dev, |
3322 | int drm_mode_addfb2(struct drm_device *dev, |
3269 | void *data, struct drm_file *file_priv) |
3323 | void *data, struct drm_file *file_priv) |
3270 | { |
3324 | { |
3271 | struct drm_mode_fb_cmd2 *r = data; |
3325 | struct drm_mode_fb_cmd2 *r = data; |
3272 | struct drm_framebuffer *fb; |
3326 | struct drm_framebuffer *fb; |
3273 | 3327 | ||
3274 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
3328 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
3275 | return -EINVAL; |
3329 | return -EINVAL; |
3276 | 3330 | ||
3277 | fb = internal_framebuffer_create(dev, r, file_priv); |
3331 | fb = internal_framebuffer_create(dev, r, file_priv); |
3278 | if (IS_ERR(fb)) |
3332 | if (IS_ERR(fb)) |
3279 | return PTR_ERR(fb); |
3333 | return PTR_ERR(fb); |
3280 | 3334 | ||
3281 | /* Transfer ownership to the filp for reaping on close */ |
3335 | /* Transfer ownership to the filp for reaping on close */ |
3282 | 3336 | ||
3283 | DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id); |
3337 | DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id); |
3284 | mutex_lock(&file_priv->fbs_lock); |
3338 | mutex_lock(&file_priv->fbs_lock); |
3285 | r->fb_id = fb->base.id; |
3339 | r->fb_id = fb->base.id; |
3286 | list_add(&fb->filp_head, &file_priv->fbs); |
3340 | list_add(&fb->filp_head, &file_priv->fbs); |
3287 | mutex_unlock(&file_priv->fbs_lock); |
3341 | mutex_unlock(&file_priv->fbs_lock); |
3288 | 3342 | ||
3289 | return 0; |
3343 | return 0; |
3290 | } |
3344 | } |
- | 3345 | ||
- | 3346 | struct drm_mode_rmfb_work { |
|
- | 3347 | struct work_struct work; |
|
- | 3348 | struct list_head fbs; |
|
- | 3349 | }; |
|
- | 3350 | ||
- | 3351 | static void drm_mode_rmfb_work_fn(struct work_struct *w) |
|
- | 3352 | { |
|
- | 3353 | struct drm_mode_rmfb_work *arg = container_of(w, typeof(*arg), work); |
|
- | 3354 | ||
- | 3355 | while (!list_empty(&arg->fbs)) { |
|
- | 3356 | struct drm_framebuffer *fb = |
|
- | 3357 | list_first_entry(&arg->fbs, typeof(*fb), filp_head); |
|
- | 3358 | ||
- | 3359 | list_del_init(&fb->filp_head); |
|
- | 3360 | drm_framebuffer_remove(fb); |
|
- | 3361 | } |
|
- | 3362 | } |
|
3291 | 3363 | ||
3292 | /** |
3364 | /** |
3293 | * drm_mode_rmfb - remove an FB from the configuration |
3365 | * drm_mode_rmfb - remove an FB from the configuration |
3294 | * @dev: drm device for the ioctl |
3366 | * @dev: drm device for the ioctl |
3295 | * @data: data pointer for the ioctl |
3367 | * @data: data pointer for the ioctl |
3296 | * @file_priv: drm file for the ioctl call |
3368 | * @file_priv: drm file for the ioctl call |
3297 | * |
3369 | * |
3298 | * Remove the FB specified by the user. |
3370 | * Remove the FB specified by the user. |
3299 | * |
3371 | * |
3300 | * Called by the user via ioctl. |
3372 | * Called by the user via ioctl. |
3301 | * |
3373 | * |
3302 | * Returns: |
3374 | * Returns: |
3303 | * Zero on success, negative errno on failure. |
3375 | * Zero on success, negative errno on failure. |
3304 | */ |
3376 | */ |
3305 | int drm_mode_rmfb(struct drm_device *dev, |
3377 | int drm_mode_rmfb(struct drm_device *dev, |
3306 | void *data, struct drm_file *file_priv) |
3378 | void *data, struct drm_file *file_priv) |
3307 | { |
3379 | { |
3308 | struct drm_framebuffer *fb = NULL; |
3380 | struct drm_framebuffer *fb = NULL; |
3309 | struct drm_framebuffer *fbl = NULL; |
3381 | struct drm_framebuffer *fbl = NULL; |
3310 | uint32_t *id = data; |
3382 | uint32_t *id = data; |
3311 | int found = 0; |
3383 | int found = 0; |
3312 | 3384 | ||
3313 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
3385 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
3314 | return -EINVAL; |
3386 | return -EINVAL; |
3315 | 3387 | ||
3316 | mutex_lock(&file_priv->fbs_lock); |
3388 | mutex_lock(&file_priv->fbs_lock); |
3317 | mutex_lock(&dev->mode_config.fb_lock); |
3389 | mutex_lock(&dev->mode_config.fb_lock); |
3318 | fb = __drm_framebuffer_lookup(dev, *id); |
3390 | fb = __drm_framebuffer_lookup(dev, *id); |
3319 | if (!fb) |
3391 | if (!fb) |
3320 | goto fail_lookup; |
3392 | goto fail_lookup; |
3321 | 3393 | ||
3322 | list_for_each_entry(fbl, &file_priv->fbs, filp_head) |
3394 | list_for_each_entry(fbl, &file_priv->fbs, filp_head) |
3323 | if (fb == fbl) |
3395 | if (fb == fbl) |
3324 | found = 1; |
3396 | found = 1; |
3325 | if (!found) |
3397 | if (!found) |
3326 | goto fail_lookup; |
3398 | goto fail_lookup; |
3327 | 3399 | ||
3328 | list_del_init(&fb->filp_head); |
3400 | list_del_init(&fb->filp_head); |
3329 | mutex_unlock(&dev->mode_config.fb_lock); |
3401 | mutex_unlock(&dev->mode_config.fb_lock); |
3330 | mutex_unlock(&file_priv->fbs_lock); |
3402 | mutex_unlock(&file_priv->fbs_lock); |
3331 | 3403 | ||
3332 | drm_framebuffer_unreference(fb); |
3404 | drm_framebuffer_unreference(fb); |
3333 | 3405 | ||
3334 | return 0; |
3406 | return 0; |
3335 | 3407 | ||
3336 | fail_lookup: |
3408 | fail_lookup: |
3337 | mutex_unlock(&dev->mode_config.fb_lock); |
3409 | mutex_unlock(&dev->mode_config.fb_lock); |
3338 | mutex_unlock(&file_priv->fbs_lock); |
3410 | mutex_unlock(&file_priv->fbs_lock); |
3339 | 3411 | ||
3340 | return -ENOENT; |
3412 | return -ENOENT; |
3341 | } |
3413 | } |
3342 | 3414 | ||
3343 | /** |
3415 | /** |
3344 | * drm_mode_getfb - get FB info |
3416 | * drm_mode_getfb - get FB info |
3345 | * @dev: drm device for the ioctl |
3417 | * @dev: drm device for the ioctl |
3346 | * @data: data pointer for the ioctl |
3418 | * @data: data pointer for the ioctl |
3347 | * @file_priv: drm file for the ioctl call |
3419 | * @file_priv: drm file for the ioctl call |
3348 | * |
3420 | * |
3349 | * Lookup the FB given its ID and return info about it. |
3421 | * Lookup the FB given its ID and return info about it. |
3350 | * |
3422 | * |
3351 | * Called by the user via ioctl. |
3423 | * Called by the user via ioctl. |
3352 | * |
3424 | * |
3353 | * Returns: |
3425 | * Returns: |
3354 | * Zero on success, negative errno on failure. |
3426 | * Zero on success, negative errno on failure. |
3355 | */ |
3427 | */ |
3356 | int drm_mode_getfb(struct drm_device *dev, |
3428 | int drm_mode_getfb(struct drm_device *dev, |
3357 | void *data, struct drm_file *file_priv) |
3429 | void *data, struct drm_file *file_priv) |
3358 | { |
3430 | { |
3359 | struct drm_mode_fb_cmd *r = data; |
3431 | struct drm_mode_fb_cmd *r = data; |
3360 | struct drm_framebuffer *fb; |
3432 | struct drm_framebuffer *fb; |
3361 | int ret; |
3433 | int ret; |
3362 | 3434 | ||
3363 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
3435 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
3364 | return -EINVAL; |
3436 | return -EINVAL; |
3365 | 3437 | ||
3366 | fb = drm_framebuffer_lookup(dev, r->fb_id); |
3438 | fb = drm_framebuffer_lookup(dev, r->fb_id); |
3367 | if (!fb) |
3439 | if (!fb) |
3368 | return -ENOENT; |
3440 | return -ENOENT; |
3369 | 3441 | ||
3370 | r->height = fb->height; |
3442 | r->height = fb->height; |
3371 | r->width = fb->width; |
3443 | r->width = fb->width; |
3372 | r->depth = fb->depth; |
3444 | r->depth = fb->depth; |
3373 | r->bpp = fb->bits_per_pixel; |
3445 | r->bpp = fb->bits_per_pixel; |
3374 | r->pitch = fb->pitches[0]; |
3446 | r->pitch = fb->pitches[0]; |
3375 | if (fb->funcs->create_handle) { |
3447 | if (fb->funcs->create_handle) { |
3376 | if (file_priv->is_master || capable(CAP_SYS_ADMIN) || |
3448 | if (file_priv->is_master || capable(CAP_SYS_ADMIN) || |
3377 | drm_is_control_client(file_priv)) { |
3449 | drm_is_control_client(file_priv)) { |
3378 | ret = fb->funcs->create_handle(fb, file_priv, |
3450 | ret = fb->funcs->create_handle(fb, file_priv, |
3379 | &r->handle); |
3451 | &r->handle); |
3380 | } else { |
3452 | } else { |
3381 | /* GET_FB() is an unprivileged ioctl so we must not |
3453 | /* GET_FB() is an unprivileged ioctl so we must not |
3382 | * return a buffer-handle to non-master processes! For |
3454 | * return a buffer-handle to non-master processes! For |
3383 | * backwards-compatibility reasons, we cannot make |
3455 | * backwards-compatibility reasons, we cannot make |
3384 | * GET_FB() privileged, so just return an invalid handle |
3456 | * GET_FB() privileged, so just return an invalid handle |
3385 | * for non-masters. */ |
3457 | * for non-masters. */ |
3386 | r->handle = 0; |
3458 | r->handle = 0; |
3387 | ret = 0; |
3459 | ret = 0; |
3388 | } |
3460 | } |
3389 | } else { |
3461 | } else { |
3390 | ret = -ENODEV; |
3462 | ret = -ENODEV; |
3391 | } |
3463 | } |
3392 | 3464 | ||
3393 | drm_framebuffer_unreference(fb); |
3465 | drm_framebuffer_unreference(fb); |
3394 | 3466 | ||
3395 | return ret; |
3467 | return ret; |
3396 | } |
3468 | } |
3397 | 3469 | ||
3398 | /** |
3470 | /** |
3399 | * drm_mode_dirtyfb_ioctl - flush frontbuffer rendering on an FB |
3471 | * drm_mode_dirtyfb_ioctl - flush frontbuffer rendering on an FB |
3400 | * @dev: drm device for the ioctl |
3472 | * @dev: drm device for the ioctl |
3401 | * @data: data pointer for the ioctl |
3473 | * @data: data pointer for the ioctl |
3402 | * @file_priv: drm file for the ioctl call |
3474 | * @file_priv: drm file for the ioctl call |
3403 | * |
3475 | * |
3404 | * Lookup the FB and flush out the damaged area supplied by userspace as a clip |
3476 | * Lookup the FB and flush out the damaged area supplied by userspace as a clip |
3405 | * rectangle list. Generic userspace which does frontbuffer rendering must call |
3477 | * rectangle list. Generic userspace which does frontbuffer rendering must call |
3406 | * this ioctl to flush out the changes on manual-update display outputs, e.g. |
3478 | * this ioctl to flush out the changes on manual-update display outputs, e.g. |
3407 | * usb display-link, mipi manual update panels or edp panel self refresh modes. |
3479 | * usb display-link, mipi manual update panels or edp panel self refresh modes. |
3408 | * |
3480 | * |
3409 | * Modesetting drivers which always update the frontbuffer do not need to |
3481 | * Modesetting drivers which always update the frontbuffer do not need to |
3410 | * implement the corresponding ->dirty framebuffer callback. |
3482 | * implement the corresponding ->dirty framebuffer callback. |
3411 | * |
3483 | * |
3412 | * Called by the user via ioctl. |
3484 | * Called by the user via ioctl. |
3413 | * |
3485 | * |
3414 | * Returns: |
3486 | * Returns: |
3415 | * Zero on success, negative errno on failure. |
3487 | * Zero on success, negative errno on failure. |
3416 | */ |
3488 | */ |
3417 | int drm_mode_dirtyfb_ioctl(struct drm_device *dev, |
3489 | int drm_mode_dirtyfb_ioctl(struct drm_device *dev, |
3418 | void *data, struct drm_file *file_priv) |
3490 | void *data, struct drm_file *file_priv) |
3419 | { |
3491 | { |
3420 | struct drm_clip_rect __user *clips_ptr; |
3492 | struct drm_clip_rect __user *clips_ptr; |
3421 | struct drm_clip_rect *clips = NULL; |
3493 | struct drm_clip_rect *clips = NULL; |
3422 | struct drm_mode_fb_dirty_cmd *r = data; |
3494 | struct drm_mode_fb_dirty_cmd *r = data; |
3423 | struct drm_framebuffer *fb; |
3495 | struct drm_framebuffer *fb; |
3424 | unsigned flags; |
3496 | unsigned flags; |
3425 | int num_clips; |
3497 | int num_clips; |
3426 | int ret; |
3498 | int ret; |
3427 | 3499 | ||
3428 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
3500 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
3429 | return -EINVAL; |
3501 | return -EINVAL; |
3430 | 3502 | ||
3431 | fb = drm_framebuffer_lookup(dev, r->fb_id); |
3503 | fb = drm_framebuffer_lookup(dev, r->fb_id); |
3432 | if (!fb) |
3504 | if (!fb) |
3433 | return -ENOENT; |
3505 | return -ENOENT; |
3434 | 3506 | ||
3435 | num_clips = r->num_clips; |
3507 | num_clips = r->num_clips; |
3436 | clips_ptr = (struct drm_clip_rect __user *)(unsigned long)r->clips_ptr; |
3508 | clips_ptr = (struct drm_clip_rect __user *)(unsigned long)r->clips_ptr; |
3437 | 3509 | ||
3438 | if (!num_clips != !clips_ptr) { |
3510 | if (!num_clips != !clips_ptr) { |
3439 | ret = -EINVAL; |
3511 | ret = -EINVAL; |
3440 | goto out_err1; |
3512 | goto out_err1; |
3441 | } |
3513 | } |
3442 | 3514 | ||
3443 | flags = DRM_MODE_FB_DIRTY_FLAGS & r->flags; |
3515 | flags = DRM_MODE_FB_DIRTY_FLAGS & r->flags; |
3444 | 3516 | ||
3445 | /* If userspace annotates copy, clips must come in pairs */ |
3517 | /* If userspace annotates copy, clips must come in pairs */ |
3446 | if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY && (num_clips % 2)) { |
3518 | if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY && (num_clips % 2)) { |
3447 | ret = -EINVAL; |
3519 | ret = -EINVAL; |
3448 | goto out_err1; |
3520 | goto out_err1; |
3449 | } |
3521 | } |
3450 | 3522 | ||
3451 | if (num_clips && clips_ptr) { |
3523 | if (num_clips && clips_ptr) { |
3452 | if (num_clips < 0 || num_clips > DRM_MODE_FB_DIRTY_MAX_CLIPS) { |
3524 | if (num_clips < 0 || num_clips > DRM_MODE_FB_DIRTY_MAX_CLIPS) { |
3453 | ret = -EINVAL; |
3525 | ret = -EINVAL; |
3454 | goto out_err1; |
3526 | goto out_err1; |
3455 | } |
3527 | } |
3456 | clips = kcalloc(num_clips, sizeof(*clips), GFP_KERNEL); |
3528 | clips = kcalloc(num_clips, sizeof(*clips), GFP_KERNEL); |
3457 | if (!clips) { |
3529 | if (!clips) { |
3458 | ret = -ENOMEM; |
3530 | ret = -ENOMEM; |
3459 | goto out_err1; |
3531 | goto out_err1; |
3460 | } |
3532 | } |
3461 | 3533 | ||
3462 | ret = copy_from_user(clips, clips_ptr, |
3534 | ret = copy_from_user(clips, clips_ptr, |
3463 | num_clips * sizeof(*clips)); |
3535 | num_clips * sizeof(*clips)); |
3464 | if (ret) { |
3536 | if (ret) { |
3465 | ret = -EFAULT; |
3537 | ret = -EFAULT; |
3466 | goto out_err2; |
3538 | goto out_err2; |
3467 | } |
3539 | } |
3468 | } |
3540 | } |
3469 | 3541 | ||
3470 | if (fb->funcs->dirty) { |
3542 | if (fb->funcs->dirty) { |
3471 | ret = fb->funcs->dirty(fb, file_priv, flags, r->color, |
3543 | ret = fb->funcs->dirty(fb, file_priv, flags, r->color, |
3472 | clips, num_clips); |
3544 | clips, num_clips); |
3473 | } else { |
3545 | } else { |
3474 | ret = -ENOSYS; |
3546 | ret = -ENOSYS; |
3475 | } |
3547 | } |
3476 | 3548 | ||
3477 | out_err2: |
3549 | out_err2: |
3478 | kfree(clips); |
3550 | kfree(clips); |
3479 | out_err1: |
3551 | out_err1: |
3480 | drm_framebuffer_unreference(fb); |
3552 | drm_framebuffer_unreference(fb); |
3481 | 3553 | ||
3482 | return ret; |
3554 | return ret; |
3483 | } |
3555 | } |
3484 | - | ||
3485 | 3556 | ||
3486 | /** |
3557 | /** |
3487 | * drm_fb_release - remove and free the FBs on this file |
3558 | * drm_fb_release - remove and free the FBs on this file |
3488 | * @priv: drm file for the ioctl |
3559 | * @priv: drm file for the ioctl |
3489 | * |
3560 | * |
3490 | * Destroy all the FBs associated with @filp. |
3561 | * Destroy all the FBs associated with @filp. |
3491 | * |
3562 | * |
3492 | * Called by the user via ioctl. |
3563 | * Called by the user via ioctl. |
3493 | * |
3564 | * |
3494 | * Returns: |
3565 | * Returns: |
3495 | * Zero on success, negative errno on failure. |
3566 | * Zero on success, negative errno on failure. |
3496 | */ |
3567 | */ |
3497 | void drm_fb_release(struct drm_file *priv) |
3568 | void drm_fb_release(struct drm_file *priv) |
3498 | { |
3569 | { |
3499 | struct drm_framebuffer *fb, *tfb; |
3570 | struct drm_framebuffer *fb, *tfb; |
3500 | 3571 | ||
3501 | /* |
3572 | /* |
3502 | * When the file gets released that means no one else can access the fb |
3573 | * When the file gets released that means no one else can access the fb |
3503 | * list any more, so no need to grab fpriv->fbs_lock. And we need to |
3574 | * list any more, so no need to grab fpriv->fbs_lock. And we need to |
3504 | * avoid upsetting lockdep since the universal cursor code adds a |
3575 | * avoid upsetting lockdep since the universal cursor code adds a |
3505 | * framebuffer while holding mutex locks. |
3576 | * framebuffer while holding mutex locks. |
3506 | * |
3577 | * |
3507 | * Note that a real deadlock between fpriv->fbs_lock and the modeset |
3578 | * Note that a real deadlock between fpriv->fbs_lock and the modeset |
3508 | * locks is impossible here since no one else but this function can get |
3579 | * locks is impossible here since no one else but this function can get |
3509 | * at it any more. |
3580 | * at it any more. |
3510 | */ |
3581 | */ |
3511 | list_for_each_entry_safe(fb, tfb, &priv->fbs, filp_head) { |
3582 | list_for_each_entry_safe(fb, tfb, &priv->fbs, filp_head) { |
3512 | list_del_init(&fb->filp_head); |
3583 | list_del_init(&fb->filp_head); |
3513 | 3584 | ||
3514 | /* This drops the fpriv->fbs reference. */ |
3585 | /* This drops the fpriv->fbs reference. */ |
3515 | drm_framebuffer_unreference(fb); |
3586 | drm_framebuffer_unreference(fb); |
3516 | } |
3587 | } |
3517 | } |
3588 | } |
3518 | #endif |
3589 | #endif |
3519 | 3590 | ||
3520 | 3591 | ||
3521 | /** |
3592 | /** |
3522 | * drm_property_create - create a new property type |
3593 | * drm_property_create - create a new property type |
3523 | * @dev: drm device |
3594 | * @dev: drm device |
3524 | * @flags: flags specifying the property type |
3595 | * @flags: flags specifying the property type |
3525 | * @name: name of the property |
3596 | * @name: name of the property |
3526 | * @num_values: number of pre-defined values |
3597 | * @num_values: number of pre-defined values |
3527 | * |
3598 | * |
3528 | * This creates a new generic drm property which can then be attached to a drm |
3599 | * This creates a new generic drm property which can then be attached to a drm |
3529 | * object with drm_object_attach_property. The returned property object must be |
3600 | * object with drm_object_attach_property. The returned property object must be |
3530 | * freed with drm_property_destroy. |
3601 | * freed with drm_property_destroy. |
3531 | * |
3602 | * |
3532 | * Note that the DRM core keeps a per-device list of properties and that, if |
3603 | * Note that the DRM core keeps a per-device list of properties and that, if |
3533 | * drm_mode_config_cleanup() is called, it will destroy all properties created |
3604 | * drm_mode_config_cleanup() is called, it will destroy all properties created |
3534 | * by the driver. |
3605 | * by the driver. |
3535 | * |
3606 | * |
3536 | * Returns: |
3607 | * Returns: |
3537 | * A pointer to the newly created property on success, NULL on failure. |
3608 | * A pointer to the newly created property on success, NULL on failure. |
3538 | */ |
3609 | */ |
3539 | struct drm_property *drm_property_create(struct drm_device *dev, int flags, |
3610 | struct drm_property *drm_property_create(struct drm_device *dev, int flags, |
3540 | const char *name, int num_values) |
3611 | const char *name, int num_values) |
3541 | { |
3612 | { |
3542 | struct drm_property *property = NULL; |
3613 | struct drm_property *property = NULL; |
3543 | int ret; |
3614 | int ret; |
3544 | 3615 | ||
3545 | property = kzalloc(sizeof(struct drm_property), GFP_KERNEL); |
3616 | property = kzalloc(sizeof(struct drm_property), GFP_KERNEL); |
3546 | if (!property) |
3617 | if (!property) |
3547 | return NULL; |
3618 | return NULL; |
3548 | 3619 | ||
3549 | property->dev = dev; |
3620 | property->dev = dev; |
3550 | 3621 | ||
3551 | if (num_values) { |
3622 | if (num_values) { |
3552 | property->values = kcalloc(num_values, sizeof(uint64_t), |
3623 | property->values = kcalloc(num_values, sizeof(uint64_t), |
3553 | GFP_KERNEL); |
3624 | GFP_KERNEL); |
3554 | if (!property->values) |
3625 | if (!property->values) |
3555 | goto fail; |
3626 | goto fail; |
3556 | } |
3627 | } |
3557 | 3628 | ||
3558 | ret = drm_mode_object_get(dev, &property->base, DRM_MODE_OBJECT_PROPERTY); |
3629 | ret = drm_mode_object_get(dev, &property->base, DRM_MODE_OBJECT_PROPERTY); |
3559 | if (ret) |
3630 | if (ret) |
3560 | goto fail; |
3631 | goto fail; |
3561 | 3632 | ||
3562 | property->flags = flags; |
3633 | property->flags = flags; |
3563 | property->num_values = num_values; |
3634 | property->num_values = num_values; |
3564 | INIT_LIST_HEAD(&property->enum_list); |
3635 | INIT_LIST_HEAD(&property->enum_list); |
3565 | 3636 | ||
3566 | if (name) { |
3637 | if (name) { |
3567 | strncpy(property->name, name, DRM_PROP_NAME_LEN); |
3638 | strncpy(property->name, name, DRM_PROP_NAME_LEN); |
3568 | property->name[DRM_PROP_NAME_LEN-1] = '\0'; |
3639 | property->name[DRM_PROP_NAME_LEN-1] = '\0'; |
3569 | } |
3640 | } |
3570 | 3641 | ||
3571 | list_add_tail(&property->head, &dev->mode_config.property_list); |
3642 | list_add_tail(&property->head, &dev->mode_config.property_list); |
3572 | 3643 | ||
3573 | WARN_ON(!drm_property_type_valid(property)); |
3644 | WARN_ON(!drm_property_type_valid(property)); |
3574 | 3645 | ||
3575 | return property; |
3646 | return property; |
3576 | fail: |
3647 | fail: |
3577 | kfree(property->values); |
3648 | kfree(property->values); |
3578 | kfree(property); |
3649 | kfree(property); |
3579 | return NULL; |
3650 | return NULL; |
3580 | } |
3651 | } |
3581 | EXPORT_SYMBOL(drm_property_create); |
3652 | EXPORT_SYMBOL(drm_property_create); |
3582 | 3653 | ||
3583 | /** |
3654 | /** |
3584 | * drm_property_create_enum - create a new enumeration property type |
3655 | * drm_property_create_enum - create a new enumeration property type |
3585 | * @dev: drm device |
3656 | * @dev: drm device |
3586 | * @flags: flags specifying the property type |
3657 | * @flags: flags specifying the property type |
3587 | * @name: name of the property |
3658 | * @name: name of the property |
3588 | * @props: enumeration lists with property values |
3659 | * @props: enumeration lists with property values |
3589 | * @num_values: number of pre-defined values |
3660 | * @num_values: number of pre-defined values |
3590 | * |
3661 | * |
3591 | * This creates a new generic drm property which can then be attached to a drm |
3662 | * This creates a new generic drm property which can then be attached to a drm |
3592 | * object with drm_object_attach_property. The returned property object must be |
3663 | * object with drm_object_attach_property. The returned property object must be |
3593 | * freed with drm_property_destroy. |
3664 | * freed with drm_property_destroy. |
3594 | * |
3665 | * |
3595 | * Userspace is only allowed to set one of the predefined values for enumeration |
3666 | * Userspace is only allowed to set one of the predefined values for enumeration |
3596 | * properties. |
3667 | * properties. |
3597 | * |
3668 | * |
3598 | * Returns: |
3669 | * Returns: |
3599 | * A pointer to the newly created property on success, NULL on failure. |
3670 | * A pointer to the newly created property on success, NULL on failure. |
3600 | */ |
3671 | */ |
3601 | struct drm_property *drm_property_create_enum(struct drm_device *dev, int flags, |
3672 | struct drm_property *drm_property_create_enum(struct drm_device *dev, int flags, |
3602 | const char *name, |
3673 | const char *name, |
3603 | const struct drm_prop_enum_list *props, |
3674 | const struct drm_prop_enum_list *props, |
3604 | int num_values) |
3675 | int num_values) |
3605 | { |
3676 | { |
3606 | struct drm_property *property; |
3677 | struct drm_property *property; |
3607 | int i, ret; |
3678 | int i, ret; |
3608 | 3679 | ||
3609 | flags |= DRM_MODE_PROP_ENUM; |
3680 | flags |= DRM_MODE_PROP_ENUM; |
3610 | 3681 | ||
3611 | property = drm_property_create(dev, flags, name, num_values); |
3682 | property = drm_property_create(dev, flags, name, num_values); |
3612 | if (!property) |
3683 | if (!property) |
3613 | return NULL; |
3684 | return NULL; |
3614 | 3685 | ||
3615 | for (i = 0; i < num_values; i++) { |
3686 | for (i = 0; i < num_values; i++) { |
3616 | ret = drm_property_add_enum(property, i, |
3687 | ret = drm_property_add_enum(property, i, |
3617 | props[i].type, |
3688 | props[i].type, |
3618 | props[i].name); |
3689 | props[i].name); |
3619 | if (ret) { |
3690 | if (ret) { |
3620 | drm_property_destroy(dev, property); |
3691 | drm_property_destroy(dev, property); |
3621 | return NULL; |
3692 | return NULL; |
3622 | } |
3693 | } |
3623 | } |
3694 | } |
3624 | 3695 | ||
3625 | return property; |
3696 | return property; |
3626 | } |
3697 | } |
3627 | EXPORT_SYMBOL(drm_property_create_enum); |
3698 | EXPORT_SYMBOL(drm_property_create_enum); |
3628 | 3699 | ||
3629 | /** |
3700 | /** |
3630 | * drm_property_create_bitmask - create a new bitmask property type |
3701 | * drm_property_create_bitmask - create a new bitmask property type |
3631 | * @dev: drm device |
3702 | * @dev: drm device |
3632 | * @flags: flags specifying the property type |
3703 | * @flags: flags specifying the property type |
3633 | * @name: name of the property |
3704 | * @name: name of the property |
3634 | * @props: enumeration lists with property bitflags |
3705 | * @props: enumeration lists with property bitflags |
3635 | * @num_props: size of the @props array |
3706 | * @num_props: size of the @props array |
3636 | * @supported_bits: bitmask of all supported enumeration values |
3707 | * @supported_bits: bitmask of all supported enumeration values |
3637 | * |
3708 | * |
3638 | * This creates a new bitmask drm property which can then be attached to a drm |
3709 | * This creates a new bitmask drm property which can then be attached to a drm |
3639 | * object with drm_object_attach_property. The returned property object must be |
3710 | * object with drm_object_attach_property. The returned property object must be |
3640 | * freed with drm_property_destroy. |
3711 | * freed with drm_property_destroy. |
3641 | * |
3712 | * |
3642 | * Compared to plain enumeration properties userspace is allowed to set any |
3713 | * Compared to plain enumeration properties userspace is allowed to set any |
3643 | * or'ed together combination of the predefined property bitflag values |
3714 | * or'ed together combination of the predefined property bitflag values |
3644 | * |
3715 | * |
3645 | * Returns: |
3716 | * Returns: |
3646 | * A pointer to the newly created property on success, NULL on failure. |
3717 | * A pointer to the newly created property on success, NULL on failure. |
3647 | */ |
3718 | */ |
3648 | struct drm_property *drm_property_create_bitmask(struct drm_device *dev, |
3719 | struct drm_property *drm_property_create_bitmask(struct drm_device *dev, |
3649 | int flags, const char *name, |
3720 | int flags, const char *name, |
3650 | const struct drm_prop_enum_list *props, |
3721 | const struct drm_prop_enum_list *props, |
3651 | int num_props, |
3722 | int num_props, |
3652 | uint64_t supported_bits) |
3723 | uint64_t supported_bits) |
3653 | { |
3724 | { |
3654 | struct drm_property *property; |
3725 | struct drm_property *property; |
3655 | int i, ret, index = 0; |
3726 | int i, ret, index = 0; |
3656 | int num_values = hweight64(supported_bits); |
3727 | int num_values = hweight64(supported_bits); |
3657 | 3728 | ||
3658 | flags |= DRM_MODE_PROP_BITMASK; |
3729 | flags |= DRM_MODE_PROP_BITMASK; |
3659 | 3730 | ||
3660 | property = drm_property_create(dev, flags, name, num_values); |
3731 | property = drm_property_create(dev, flags, name, num_values); |
3661 | if (!property) |
3732 | if (!property) |
3662 | return NULL; |
3733 | return NULL; |
3663 | for (i = 0; i < num_props; i++) { |
3734 | for (i = 0; i < num_props; i++) { |
3664 | if (!(supported_bits & (1ULL << props[i].type))) |
3735 | if (!(supported_bits & (1ULL << props[i].type))) |
3665 | continue; |
3736 | continue; |
3666 | 3737 | ||
3667 | if (WARN_ON(index >= num_values)) { |
3738 | if (WARN_ON(index >= num_values)) { |
3668 | drm_property_destroy(dev, property); |
3739 | drm_property_destroy(dev, property); |
3669 | return NULL; |
3740 | return NULL; |
3670 | } |
3741 | } |
3671 | 3742 | ||
3672 | ret = drm_property_add_enum(property, index++, |
3743 | ret = drm_property_add_enum(property, index++, |
3673 | props[i].type, |
3744 | props[i].type, |
3674 | props[i].name); |
3745 | props[i].name); |
3675 | if (ret) { |
3746 | if (ret) { |
3676 | drm_property_destroy(dev, property); |
3747 | drm_property_destroy(dev, property); |
3677 | return NULL; |
3748 | return NULL; |
3678 | } |
3749 | } |
3679 | } |
3750 | } |
3680 | 3751 | ||
3681 | return property; |
3752 | return property; |
3682 | } |
3753 | } |
3683 | EXPORT_SYMBOL(drm_property_create_bitmask); |
3754 | EXPORT_SYMBOL(drm_property_create_bitmask); |
3684 | 3755 | ||
3685 | static struct drm_property *property_create_range(struct drm_device *dev, |
3756 | static struct drm_property *property_create_range(struct drm_device *dev, |
3686 | int flags, const char *name, |
3757 | int flags, const char *name, |
3687 | uint64_t min, uint64_t max) |
3758 | uint64_t min, uint64_t max) |
3688 | { |
3759 | { |
3689 | struct drm_property *property; |
3760 | struct drm_property *property; |
3690 | 3761 | ||
3691 | property = drm_property_create(dev, flags, name, 2); |
3762 | property = drm_property_create(dev, flags, name, 2); |
3692 | if (!property) |
3763 | if (!property) |
3693 | return NULL; |
3764 | return NULL; |
3694 | 3765 | ||
3695 | property->values[0] = min; |
3766 | property->values[0] = min; |
3696 | property->values[1] = max; |
3767 | property->values[1] = max; |
3697 | 3768 | ||
3698 | return property; |
3769 | return property; |
3699 | } |
3770 | } |
3700 | 3771 | ||
3701 | /** |
3772 | /** |
3702 | * drm_property_create_range - create a new unsigned ranged property type |
3773 | * drm_property_create_range - create a new unsigned ranged property type |
3703 | * @dev: drm device |
3774 | * @dev: drm device |
3704 | * @flags: flags specifying the property type |
3775 | * @flags: flags specifying the property type |
3705 | * @name: name of the property |
3776 | * @name: name of the property |
3706 | * @min: minimum value of the property |
3777 | * @min: minimum value of the property |
3707 | * @max: maximum value of the property |
3778 | * @max: maximum value of the property |
3708 | * |
3779 | * |
3709 | * This creates a new generic drm property which can then be attached to a drm |
3780 | * This creates a new generic drm property which can then be attached to a drm |
3710 | * object with drm_object_attach_property. The returned property object must be |
3781 | * object with drm_object_attach_property. The returned property object must be |
3711 | * freed with drm_property_destroy. |
3782 | * freed with drm_property_destroy. |
3712 | * |
3783 | * |
3713 | * Userspace is allowed to set any unsigned integer value in the (min, max) |
3784 | * Userspace is allowed to set any unsigned integer value in the (min, max) |
3714 | * range inclusive. |
3785 | * range inclusive. |
3715 | * |
3786 | * |
3716 | * Returns: |
3787 | * Returns: |
3717 | * A pointer to the newly created property on success, NULL on failure. |
3788 | * A pointer to the newly created property on success, NULL on failure. |
3718 | */ |
3789 | */ |
3719 | struct drm_property *drm_property_create_range(struct drm_device *dev, int flags, |
3790 | struct drm_property *drm_property_create_range(struct drm_device *dev, int flags, |
3720 | const char *name, |
3791 | const char *name, |
3721 | uint64_t min, uint64_t max) |
3792 | uint64_t min, uint64_t max) |
3722 | { |
3793 | { |
3723 | return property_create_range(dev, DRM_MODE_PROP_RANGE | flags, |
3794 | return property_create_range(dev, DRM_MODE_PROP_RANGE | flags, |
3724 | name, min, max); |
3795 | name, min, max); |
3725 | } |
3796 | } |
3726 | EXPORT_SYMBOL(drm_property_create_range); |
3797 | EXPORT_SYMBOL(drm_property_create_range); |
3727 | 3798 | ||
3728 | /** |
3799 | /** |
3729 | * drm_property_create_signed_range - create a new signed ranged property type |
3800 | * drm_property_create_signed_range - create a new signed ranged property type |
3730 | * @dev: drm device |
3801 | * @dev: drm device |
3731 | * @flags: flags specifying the property type |
3802 | * @flags: flags specifying the property type |
3732 | * @name: name of the property |
3803 | * @name: name of the property |
3733 | * @min: minimum value of the property |
3804 | * @min: minimum value of the property |
3734 | * @max: maximum value of the property |
3805 | * @max: maximum value of the property |
3735 | * |
3806 | * |
3736 | * This creates a new generic drm property which can then be attached to a drm |
3807 | * This creates a new generic drm property which can then be attached to a drm |
3737 | * object with drm_object_attach_property. The returned property object must be |
3808 | * object with drm_object_attach_property. The returned property object must be |
3738 | * freed with drm_property_destroy. |
3809 | * freed with drm_property_destroy. |
3739 | * |
3810 | * |
3740 | * Userspace is allowed to set any signed integer value in the (min, max) |
3811 | * Userspace is allowed to set any signed integer value in the (min, max) |
3741 | * range inclusive. |
3812 | * range inclusive. |
3742 | * |
3813 | * |
3743 | * Returns: |
3814 | * Returns: |
3744 | * A pointer to the newly created property on success, NULL on failure. |
3815 | * A pointer to the newly created property on success, NULL on failure. |
3745 | */ |
3816 | */ |
3746 | struct drm_property *drm_property_create_signed_range(struct drm_device *dev, |
3817 | struct drm_property *drm_property_create_signed_range(struct drm_device *dev, |
3747 | int flags, const char *name, |
3818 | int flags, const char *name, |
3748 | int64_t min, int64_t max) |
3819 | int64_t min, int64_t max) |
3749 | { |
3820 | { |
3750 | return property_create_range(dev, DRM_MODE_PROP_SIGNED_RANGE | flags, |
3821 | return property_create_range(dev, DRM_MODE_PROP_SIGNED_RANGE | flags, |
3751 | name, I642U64(min), I642U64(max)); |
3822 | name, I642U64(min), I642U64(max)); |
3752 | } |
3823 | } |
3753 | EXPORT_SYMBOL(drm_property_create_signed_range); |
3824 | EXPORT_SYMBOL(drm_property_create_signed_range); |
3754 | 3825 | ||
3755 | /** |
3826 | /** |
3756 | * drm_property_create_object - create a new object property type |
3827 | * drm_property_create_object - create a new object property type |
3757 | * @dev: drm device |
3828 | * @dev: drm device |
3758 | * @flags: flags specifying the property type |
3829 | * @flags: flags specifying the property type |
3759 | * @name: name of the property |
3830 | * @name: name of the property |
3760 | * @type: object type from DRM_MODE_OBJECT_* defines |
3831 | * @type: object type from DRM_MODE_OBJECT_* defines |
3761 | * |
3832 | * |
3762 | * This creates a new generic drm property which can then be attached to a drm |
3833 | * This creates a new generic drm property which can then be attached to a drm |
3763 | * object with drm_object_attach_property. The returned property object must be |
3834 | * object with drm_object_attach_property. The returned property object must be |
3764 | * freed with drm_property_destroy. |
3835 | * freed with drm_property_destroy. |
3765 | * |
3836 | * |
3766 | * Userspace is only allowed to set this to any property value of the given |
3837 | * Userspace is only allowed to set this to any property value of the given |
3767 | * @type. Only useful for atomic properties, which is enforced. |
3838 | * @type. Only useful for atomic properties, which is enforced. |
3768 | * |
3839 | * |
3769 | * Returns: |
3840 | * Returns: |
3770 | * A pointer to the newly created property on success, NULL on failure. |
3841 | * A pointer to the newly created property on success, NULL on failure. |
3771 | */ |
3842 | */ |
3772 | struct drm_property *drm_property_create_object(struct drm_device *dev, |
3843 | struct drm_property *drm_property_create_object(struct drm_device *dev, |
3773 | int flags, const char *name, uint32_t type) |
3844 | int flags, const char *name, uint32_t type) |
3774 | { |
3845 | { |
3775 | struct drm_property *property; |
3846 | struct drm_property *property; |
3776 | 3847 | ||
3777 | flags |= DRM_MODE_PROP_OBJECT; |
3848 | flags |= DRM_MODE_PROP_OBJECT; |
3778 | 3849 | ||
3779 | if (WARN_ON(!(flags & DRM_MODE_PROP_ATOMIC))) |
3850 | if (WARN_ON(!(flags & DRM_MODE_PROP_ATOMIC))) |
3780 | return NULL; |
3851 | return NULL; |
3781 | 3852 | ||
3782 | property = drm_property_create(dev, flags, name, 1); |
3853 | property = drm_property_create(dev, flags, name, 1); |
3783 | if (!property) |
3854 | if (!property) |
3784 | return NULL; |
3855 | return NULL; |
3785 | 3856 | ||
3786 | property->values[0] = type; |
3857 | property->values[0] = type; |
3787 | 3858 | ||
3788 | return property; |
3859 | return property; |
3789 | } |
3860 | } |
3790 | EXPORT_SYMBOL(drm_property_create_object); |
3861 | EXPORT_SYMBOL(drm_property_create_object); |
3791 | 3862 | ||
3792 | /** |
3863 | /** |
3793 | * drm_property_create_bool - create a new boolean property type |
3864 | * drm_property_create_bool - create a new boolean property type |
3794 | * @dev: drm device |
3865 | * @dev: drm device |
3795 | * @flags: flags specifying the property type |
3866 | * @flags: flags specifying the property type |
3796 | * @name: name of the property |
3867 | * @name: name of the property |
3797 | * |
3868 | * |
3798 | * This creates a new generic drm property which can then be attached to a drm |
3869 | * This creates a new generic drm property which can then be attached to a drm |
3799 | * object with drm_object_attach_property. The returned property object must be |
3870 | * object with drm_object_attach_property. The returned property object must be |
3800 | * freed with drm_property_destroy. |
3871 | * freed with drm_property_destroy. |
3801 | * |
3872 | * |
3802 | * This is implemented as a ranged property with only {0, 1} as valid values. |
3873 | * This is implemented as a ranged property with only {0, 1} as valid values. |
3803 | * |
3874 | * |
3804 | * Returns: |
3875 | * Returns: |
3805 | * A pointer to the newly created property on success, NULL on failure. |
3876 | * A pointer to the newly created property on success, NULL on failure. |
3806 | */ |
3877 | */ |
3807 | struct drm_property *drm_property_create_bool(struct drm_device *dev, int flags, |
3878 | struct drm_property *drm_property_create_bool(struct drm_device *dev, int flags, |
3808 | const char *name) |
3879 | const char *name) |
3809 | { |
3880 | { |
3810 | return drm_property_create_range(dev, flags, name, 0, 1); |
3881 | return drm_property_create_range(dev, flags, name, 0, 1); |
3811 | } |
3882 | } |
3812 | EXPORT_SYMBOL(drm_property_create_bool); |
3883 | EXPORT_SYMBOL(drm_property_create_bool); |
3813 | 3884 | ||
3814 | /** |
3885 | /** |
3815 | * drm_property_add_enum - add a possible value to an enumeration property |
3886 | * drm_property_add_enum - add a possible value to an enumeration property |
3816 | * @property: enumeration property to change |
3887 | * @property: enumeration property to change |
3817 | * @index: index of the new enumeration |
3888 | * @index: index of the new enumeration |
3818 | * @value: value of the new enumeration |
3889 | * @value: value of the new enumeration |
3819 | * @name: symbolic name of the new enumeration |
3890 | * @name: symbolic name of the new enumeration |
3820 | * |
3891 | * |
3821 | * This functions adds enumerations to a property. |
3892 | * This functions adds enumerations to a property. |
3822 | * |
3893 | * |
3823 | * It's use is deprecated, drivers should use one of the more specific helpers |
3894 | * It's use is deprecated, drivers should use one of the more specific helpers |
3824 | * to directly create the property with all enumerations already attached. |
3895 | * to directly create the property with all enumerations already attached. |
3825 | * |
3896 | * |
3826 | * Returns: |
3897 | * Returns: |
3827 | * Zero on success, error code on failure. |
3898 | * Zero on success, error code on failure. |
3828 | */ |
3899 | */ |
3829 | int drm_property_add_enum(struct drm_property *property, int index, |
3900 | int drm_property_add_enum(struct drm_property *property, int index, |
3830 | uint64_t value, const char *name) |
3901 | uint64_t value, const char *name) |
3831 | { |
3902 | { |
3832 | struct drm_property_enum *prop_enum; |
3903 | struct drm_property_enum *prop_enum; |
3833 | 3904 | ||
3834 | if (!(drm_property_type_is(property, DRM_MODE_PROP_ENUM) || |
3905 | if (!(drm_property_type_is(property, DRM_MODE_PROP_ENUM) || |
3835 | drm_property_type_is(property, DRM_MODE_PROP_BITMASK))) |
3906 | drm_property_type_is(property, DRM_MODE_PROP_BITMASK))) |
3836 | return -EINVAL; |
3907 | return -EINVAL; |
3837 | 3908 | ||
3838 | /* |
3909 | /* |
3839 | * Bitmask enum properties have the additional constraint of values |
3910 | * Bitmask enum properties have the additional constraint of values |
3840 | * from 0 to 63 |
3911 | * from 0 to 63 |
3841 | */ |
3912 | */ |
3842 | if (drm_property_type_is(property, DRM_MODE_PROP_BITMASK) && |
3913 | if (drm_property_type_is(property, DRM_MODE_PROP_BITMASK) && |
3843 | (value > 63)) |
3914 | (value > 63)) |
3844 | return -EINVAL; |
3915 | return -EINVAL; |
3845 | 3916 | ||
3846 | if (!list_empty(&property->enum_list)) { |
3917 | if (!list_empty(&property->enum_list)) { |
3847 | list_for_each_entry(prop_enum, &property->enum_list, head) { |
3918 | list_for_each_entry(prop_enum, &property->enum_list, head) { |
3848 | if (prop_enum->value == value) { |
3919 | if (prop_enum->value == value) { |
3849 | strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); |
3920 | strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); |
3850 | prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; |
3921 | prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; |
3851 | return 0; |
3922 | return 0; |
3852 | } |
3923 | } |
3853 | } |
3924 | } |
3854 | } |
3925 | } |
3855 | 3926 | ||
3856 | prop_enum = kzalloc(sizeof(struct drm_property_enum), GFP_KERNEL); |
3927 | prop_enum = kzalloc(sizeof(struct drm_property_enum), GFP_KERNEL); |
3857 | if (!prop_enum) |
3928 | if (!prop_enum) |
3858 | return -ENOMEM; |
3929 | return -ENOMEM; |
3859 | 3930 | ||
3860 | strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); |
3931 | strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); |
3861 | prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; |
3932 | prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; |
3862 | prop_enum->value = value; |
3933 | prop_enum->value = value; |
3863 | 3934 | ||
3864 | property->values[index] = value; |
3935 | property->values[index] = value; |
3865 | list_add_tail(&prop_enum->head, &property->enum_list); |
3936 | list_add_tail(&prop_enum->head, &property->enum_list); |
3866 | return 0; |
3937 | return 0; |
3867 | } |
3938 | } |
3868 | EXPORT_SYMBOL(drm_property_add_enum); |
3939 | EXPORT_SYMBOL(drm_property_add_enum); |
3869 | 3940 | ||
3870 | /** |
3941 | /** |
3871 | * drm_property_destroy - destroy a drm property |
3942 | * drm_property_destroy - destroy a drm property |
3872 | * @dev: drm device |
3943 | * @dev: drm device |
3873 | * @property: property to destry |
3944 | * @property: property to destry |
3874 | * |
3945 | * |
3875 | * This function frees a property including any attached resources like |
3946 | * This function frees a property including any attached resources like |
3876 | * enumeration values. |
3947 | * enumeration values. |
3877 | */ |
3948 | */ |
3878 | void drm_property_destroy(struct drm_device *dev, struct drm_property *property) |
3949 | void drm_property_destroy(struct drm_device *dev, struct drm_property *property) |
3879 | { |
3950 | { |
3880 | struct drm_property_enum *prop_enum, *pt; |
3951 | struct drm_property_enum *prop_enum, *pt; |
3881 | 3952 | ||
3882 | list_for_each_entry_safe(prop_enum, pt, &property->enum_list, head) { |
3953 | list_for_each_entry_safe(prop_enum, pt, &property->enum_list, head) { |
3883 | list_del(&prop_enum->head); |
3954 | list_del(&prop_enum->head); |
3884 | kfree(prop_enum); |
3955 | kfree(prop_enum); |
3885 | } |
3956 | } |
3886 | 3957 | ||
3887 | if (property->num_values) |
3958 | if (property->num_values) |
3888 | kfree(property->values); |
3959 | kfree(property->values); |
3889 | drm_mode_object_put(dev, &property->base); |
3960 | drm_mode_object_put(dev, &property->base); |
3890 | list_del(&property->head); |
3961 | list_del(&property->head); |
3891 | kfree(property); |
3962 | kfree(property); |
3892 | } |
3963 | } |
3893 | EXPORT_SYMBOL(drm_property_destroy); |
3964 | EXPORT_SYMBOL(drm_property_destroy); |
3894 | 3965 | ||
3895 | /** |
3966 | /** |
3896 | * drm_object_attach_property - attach a property to a modeset object |
3967 | * drm_object_attach_property - attach a property to a modeset object |
3897 | * @obj: drm modeset object |
3968 | * @obj: drm modeset object |
3898 | * @property: property to attach |
3969 | * @property: property to attach |
3899 | * @init_val: initial value of the property |
3970 | * @init_val: initial value of the property |
3900 | * |
3971 | * |
3901 | * This attaches the given property to the modeset object with the given initial |
3972 | * This attaches the given property to the modeset object with the given initial |
3902 | * value. Currently this function cannot fail since the properties are stored in |
3973 | * value. Currently this function cannot fail since the properties are stored in |
3903 | * a statically sized array. |
3974 | * a statically sized array. |
3904 | */ |
3975 | */ |
3905 | void drm_object_attach_property(struct drm_mode_object *obj, |
3976 | void drm_object_attach_property(struct drm_mode_object *obj, |
3906 | struct drm_property *property, |
3977 | struct drm_property *property, |
3907 | uint64_t init_val) |
3978 | uint64_t init_val) |
3908 | { |
3979 | { |
3909 | int count = obj->properties->count; |
3980 | int count = obj->properties->count; |
3910 | 3981 | ||
3911 | if (count == DRM_OBJECT_MAX_PROPERTY) { |
3982 | if (count == DRM_OBJECT_MAX_PROPERTY) { |
3912 | WARN(1, "Failed to attach object property (type: 0x%x). Please " |
3983 | WARN(1, "Failed to attach object property (type: 0x%x). Please " |
3913 | "increase DRM_OBJECT_MAX_PROPERTY by 1 for each time " |
3984 | "increase DRM_OBJECT_MAX_PROPERTY by 1 for each time " |
3914 | "you see this message on the same object type.\n", |
3985 | "you see this message on the same object type.\n", |
3915 | obj->type); |
3986 | obj->type); |
3916 | return; |
3987 | return; |
3917 | } |
3988 | } |
3918 | 3989 | ||
3919 | obj->properties->properties[count] = property; |
3990 | obj->properties->properties[count] = property; |
3920 | obj->properties->values[count] = init_val; |
3991 | obj->properties->values[count] = init_val; |
3921 | obj->properties->count++; |
3992 | obj->properties->count++; |
3922 | if (property->flags & DRM_MODE_PROP_ATOMIC) |
3993 | if (property->flags & DRM_MODE_PROP_ATOMIC) |
3923 | obj->properties->atomic_count++; |
3994 | obj->properties->atomic_count++; |
3924 | } |
3995 | } |
3925 | EXPORT_SYMBOL(drm_object_attach_property); |
3996 | EXPORT_SYMBOL(drm_object_attach_property); |
3926 | 3997 | ||
3927 | /** |
3998 | /** |
3928 | * drm_object_property_set_value - set the value of a property |
3999 | * drm_object_property_set_value - set the value of a property |
3929 | * @obj: drm mode object to set property value for |
4000 | * @obj: drm mode object to set property value for |
3930 | * @property: property to set |
4001 | * @property: property to set |
3931 | * @val: value the property should be set to |
4002 | * @val: value the property should be set to |
3932 | * |
4003 | * |
3933 | * This functions sets a given property on a given object. This function only |
4004 | * This functions sets a given property on a given object. This function only |
3934 | * changes the software state of the property, it does not call into the |
4005 | * changes the software state of the property, it does not call into the |
3935 | * driver's ->set_property callback. |
4006 | * driver's ->set_property callback. |
3936 | * |
4007 | * |
3937 | * Returns: |
4008 | * Returns: |
3938 | * Zero on success, error code on failure. |
4009 | * Zero on success, error code on failure. |
3939 | */ |
4010 | */ |
3940 | int drm_object_property_set_value(struct drm_mode_object *obj, |
4011 | int drm_object_property_set_value(struct drm_mode_object *obj, |
3941 | struct drm_property *property, uint64_t val) |
4012 | struct drm_property *property, uint64_t val) |
3942 | { |
4013 | { |
3943 | int i; |
4014 | int i; |
3944 | 4015 | ||
3945 | for (i = 0; i < obj->properties->count; i++) { |
4016 | for (i = 0; i < obj->properties->count; i++) { |
3946 | if (obj->properties->properties[i] == property) { |
4017 | if (obj->properties->properties[i] == property) { |
3947 | obj->properties->values[i] = val; |
4018 | obj->properties->values[i] = val; |
3948 | return 0; |
4019 | return 0; |
3949 | } |
4020 | } |
3950 | } |
4021 | } |
3951 | 4022 | ||
3952 | return -EINVAL; |
4023 | return -EINVAL; |
3953 | } |
4024 | } |
3954 | EXPORT_SYMBOL(drm_object_property_set_value); |
4025 | EXPORT_SYMBOL(drm_object_property_set_value); |
3955 | 4026 | ||
3956 | /** |
4027 | /** |
3957 | * drm_object_property_get_value - retrieve the value of a property |
4028 | * drm_object_property_get_value - retrieve the value of a property |
3958 | * @obj: drm mode object to get property value from |
4029 | * @obj: drm mode object to get property value from |
3959 | * @property: property to retrieve |
4030 | * @property: property to retrieve |
3960 | * @val: storage for the property value |
4031 | * @val: storage for the property value |
3961 | * |
4032 | * |
3962 | * This function retrieves the softare state of the given property for the given |
4033 | * This function retrieves the softare state of the given property for the given |
3963 | * property. Since there is no driver callback to retrieve the current property |
4034 | * property. Since there is no driver callback to retrieve the current property |
3964 | * value this might be out of sync with the hardware, depending upon the driver |
4035 | * value this might be out of sync with the hardware, depending upon the driver |
3965 | * and property. |
4036 | * and property. |
3966 | * |
4037 | * |
3967 | * Returns: |
4038 | * Returns: |
3968 | * Zero on success, error code on failure. |
4039 | * Zero on success, error code on failure. |
3969 | */ |
4040 | */ |
3970 | int drm_object_property_get_value(struct drm_mode_object *obj, |
4041 | int drm_object_property_get_value(struct drm_mode_object *obj, |
3971 | struct drm_property *property, uint64_t *val) |
4042 | struct drm_property *property, uint64_t *val) |
3972 | { |
4043 | { |
3973 | int i; |
4044 | int i; |
3974 | 4045 | ||
3975 | /* read-only properties bypass atomic mechanism and still store |
4046 | /* read-only properties bypass atomic mechanism and still store |
3976 | * their value in obj->properties->values[].. mostly to avoid |
4047 | * their value in obj->properties->values[].. mostly to avoid |
3977 | * having to deal w/ EDID and similar props in atomic paths: |
4048 | * having to deal w/ EDID and similar props in atomic paths: |
3978 | */ |
4049 | */ |
3979 | if (drm_core_check_feature(property->dev, DRIVER_ATOMIC) && |
4050 | if (drm_core_check_feature(property->dev, DRIVER_ATOMIC) && |
3980 | !(property->flags & DRM_MODE_PROP_IMMUTABLE)) |
4051 | !(property->flags & DRM_MODE_PROP_IMMUTABLE)) |
3981 | return drm_atomic_get_property(obj, property, val); |
4052 | return drm_atomic_get_property(obj, property, val); |
3982 | 4053 | ||
3983 | for (i = 0; i < obj->properties->count; i++) { |
4054 | for (i = 0; i < obj->properties->count; i++) { |
3984 | if (obj->properties->properties[i] == property) { |
4055 | if (obj->properties->properties[i] == property) { |
3985 | *val = obj->properties->values[i]; |
4056 | *val = obj->properties->values[i]; |
3986 | return 0; |
4057 | return 0; |
3987 | } |
4058 | } |
3988 | } |
4059 | } |
3989 | 4060 | ||
3990 | return -EINVAL; |
4061 | return -EINVAL; |
3991 | } |
4062 | } |
3992 | EXPORT_SYMBOL(drm_object_property_get_value); |
4063 | EXPORT_SYMBOL(drm_object_property_get_value); |
3993 | 4064 | ||
3994 | #if 0 |
4065 | #if 0 |
3995 | /** |
4066 | /** |
3996 | * drm_mode_getproperty_ioctl - get the property metadata |
4067 | * drm_mode_getproperty_ioctl - get the property metadata |
3997 | * @dev: DRM device |
4068 | * @dev: DRM device |
3998 | * @data: ioctl data |
4069 | * @data: ioctl data |
3999 | * @file_priv: DRM file info |
4070 | * @file_priv: DRM file info |
4000 | * |
4071 | * |
4001 | * This function retrieves the metadata for a given property, like the different |
4072 | * This function retrieves the metadata for a given property, like the different |
4002 | * possible values for an enum property or the limits for a range property. |
4073 | * possible values for an enum property or the limits for a range property. |
4003 | * |
4074 | * |
4004 | * Blob properties are special |
4075 | * Blob properties are special |
4005 | * |
4076 | * |
4006 | * Called by the user via ioctl. |
4077 | * Called by the user via ioctl. |
4007 | * |
4078 | * |
4008 | * Returns: |
4079 | * Returns: |
4009 | * Zero on success, negative errno on failure. |
4080 | * Zero on success, negative errno on failure. |
4010 | */ |
4081 | */ |
4011 | int drm_mode_getproperty_ioctl(struct drm_device *dev, |
4082 | int drm_mode_getproperty_ioctl(struct drm_device *dev, |
4012 | void *data, struct drm_file *file_priv) |
4083 | void *data, struct drm_file *file_priv) |
4013 | { |
4084 | { |
4014 | struct drm_mode_get_property *out_resp = data; |
4085 | struct drm_mode_get_property *out_resp = data; |
4015 | struct drm_property *property; |
4086 | struct drm_property *property; |
4016 | int enum_count = 0; |
4087 | int enum_count = 0; |
4017 | int value_count = 0; |
4088 | int value_count = 0; |
4018 | int ret = 0, i; |
4089 | int ret = 0, i; |
4019 | int copied; |
4090 | int copied; |
4020 | struct drm_property_enum *prop_enum; |
4091 | struct drm_property_enum *prop_enum; |
4021 | struct drm_mode_property_enum __user *enum_ptr; |
4092 | struct drm_mode_property_enum __user *enum_ptr; |
4022 | uint64_t __user *values_ptr; |
4093 | uint64_t __user *values_ptr; |
4023 | 4094 | ||
4024 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
4095 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
4025 | return -EINVAL; |
4096 | return -EINVAL; |
4026 | 4097 | ||
4027 | drm_modeset_lock_all(dev); |
4098 | drm_modeset_lock_all(dev); |
4028 | property = drm_property_find(dev, out_resp->prop_id); |
4099 | property = drm_property_find(dev, out_resp->prop_id); |
4029 | if (!property) { |
4100 | if (!property) { |
4030 | ret = -ENOENT; |
4101 | ret = -ENOENT; |
4031 | goto done; |
4102 | goto done; |
4032 | } |
4103 | } |
4033 | 4104 | ||
4034 | if (drm_property_type_is(property, DRM_MODE_PROP_ENUM) || |
4105 | if (drm_property_type_is(property, DRM_MODE_PROP_ENUM) || |
4035 | drm_property_type_is(property, DRM_MODE_PROP_BITMASK)) { |
4106 | drm_property_type_is(property, DRM_MODE_PROP_BITMASK)) { |
4036 | list_for_each_entry(prop_enum, &property->enum_list, head) |
4107 | list_for_each_entry(prop_enum, &property->enum_list, head) |
4037 | enum_count++; |
4108 | enum_count++; |
4038 | } |
4109 | } |
4039 | 4110 | ||
4040 | value_count = property->num_values; |
4111 | value_count = property->num_values; |
4041 | 4112 | ||
4042 | strncpy(out_resp->name, property->name, DRM_PROP_NAME_LEN); |
4113 | strncpy(out_resp->name, property->name, DRM_PROP_NAME_LEN); |
4043 | out_resp->name[DRM_PROP_NAME_LEN-1] = 0; |
4114 | out_resp->name[DRM_PROP_NAME_LEN-1] = 0; |
4044 | out_resp->flags = property->flags; |
4115 | out_resp->flags = property->flags; |
4045 | 4116 | ||
4046 | if ((out_resp->count_values >= value_count) && value_count) { |
4117 | if ((out_resp->count_values >= value_count) && value_count) { |
4047 | values_ptr = (uint64_t __user *)(unsigned long)out_resp->values_ptr; |
4118 | values_ptr = (uint64_t __user *)(unsigned long)out_resp->values_ptr; |
4048 | for (i = 0; i < value_count; i++) { |
4119 | for (i = 0; i < value_count; i++) { |
4049 | if (copy_to_user(values_ptr + i, &property->values[i], sizeof(uint64_t))) { |
4120 | if (copy_to_user(values_ptr + i, &property->values[i], sizeof(uint64_t))) { |
4050 | ret = -EFAULT; |
4121 | ret = -EFAULT; |
4051 | goto done; |
4122 | goto done; |
4052 | } |
4123 | } |
4053 | } |
4124 | } |
4054 | } |
4125 | } |
4055 | out_resp->count_values = value_count; |
4126 | out_resp->count_values = value_count; |
4056 | 4127 | ||
4057 | if (drm_property_type_is(property, DRM_MODE_PROP_ENUM) || |
4128 | if (drm_property_type_is(property, DRM_MODE_PROP_ENUM) || |
4058 | drm_property_type_is(property, DRM_MODE_PROP_BITMASK)) { |
4129 | drm_property_type_is(property, DRM_MODE_PROP_BITMASK)) { |
4059 | if ((out_resp->count_enum_blobs >= enum_count) && enum_count) { |
4130 | if ((out_resp->count_enum_blobs >= enum_count) && enum_count) { |
4060 | copied = 0; |
4131 | copied = 0; |
4061 | enum_ptr = (struct drm_mode_property_enum __user *)(unsigned long)out_resp->enum_blob_ptr; |
4132 | enum_ptr = (struct drm_mode_property_enum __user *)(unsigned long)out_resp->enum_blob_ptr; |
4062 | list_for_each_entry(prop_enum, &property->enum_list, head) { |
4133 | list_for_each_entry(prop_enum, &property->enum_list, head) { |
4063 | 4134 | ||
4064 | if (copy_to_user(&enum_ptr[copied].value, &prop_enum->value, sizeof(uint64_t))) { |
4135 | if (copy_to_user(&enum_ptr[copied].value, &prop_enum->value, sizeof(uint64_t))) { |
4065 | ret = -EFAULT; |
4136 | ret = -EFAULT; |
4066 | goto done; |
4137 | goto done; |
4067 | } |
4138 | } |
4068 | 4139 | ||
4069 | if (copy_to_user(&enum_ptr[copied].name, |
4140 | if (copy_to_user(&enum_ptr[copied].name, |
4070 | &prop_enum->name, DRM_PROP_NAME_LEN)) { |
4141 | &prop_enum->name, DRM_PROP_NAME_LEN)) { |
4071 | ret = -EFAULT; |
4142 | ret = -EFAULT; |
4072 | goto done; |
4143 | goto done; |
4073 | } |
4144 | } |
4074 | copied++; |
4145 | copied++; |
4075 | } |
4146 | } |
4076 | } |
4147 | } |
4077 | out_resp->count_enum_blobs = enum_count; |
4148 | out_resp->count_enum_blobs = enum_count; |
4078 | } |
4149 | } |
4079 | 4150 | ||
4080 | /* |
4151 | /* |
4081 | * NOTE: The idea seems to have been to use this to read all the blob |
4152 | * NOTE: The idea seems to have been to use this to read all the blob |
4082 | * property values. But nothing ever added them to the corresponding |
4153 | * property values. But nothing ever added them to the corresponding |
4083 | * list, userspace always used the special-purpose get_blob ioctl to |
4154 | * list, userspace always used the special-purpose get_blob ioctl to |
4084 | * read the value for a blob property. It also doesn't make a lot of |
4155 | * read the value for a blob property. It also doesn't make a lot of |
4085 | * sense to return values here when everything else is just metadata for |
4156 | * sense to return values here when everything else is just metadata for |
4086 | * the property itself. |
4157 | * the property itself. |
4087 | */ |
4158 | */ |
4088 | if (drm_property_type_is(property, DRM_MODE_PROP_BLOB)) |
4159 | if (drm_property_type_is(property, DRM_MODE_PROP_BLOB)) |
4089 | out_resp->count_enum_blobs = 0; |
4160 | out_resp->count_enum_blobs = 0; |
4090 | done: |
4161 | done: |
4091 | drm_modeset_unlock_all(dev); |
4162 | drm_modeset_unlock_all(dev); |
4092 | return ret; |
4163 | return ret; |
4093 | } |
4164 | } |
4094 | #endif |
4165 | #endif |
4095 | 4166 | ||
4096 | /** |
4167 | /** |
4097 | * drm_property_create_blob - Create new blob property |
4168 | * drm_property_create_blob - Create new blob property |
4098 | * |
4169 | * |
4099 | * Creates a new blob property for a specified DRM device, optionally |
4170 | * Creates a new blob property for a specified DRM device, optionally |
4100 | * copying data. |
4171 | * copying data. |
4101 | * |
4172 | * |
4102 | * @dev: DRM device to create property for |
4173 | * @dev: DRM device to create property for |
4103 | * @length: Length to allocate for blob data |
4174 | * @length: Length to allocate for blob data |
4104 | * @data: If specified, copies data into blob |
4175 | * @data: If specified, copies data into blob |
4105 | * |
4176 | * |
4106 | * Returns: |
4177 | * Returns: |
4107 | * New blob property with a single reference on success, or an ERR_PTR |
4178 | * New blob property with a single reference on success, or an ERR_PTR |
4108 | * value on failure. |
4179 | * value on failure. |
4109 | */ |
4180 | */ |
4110 | struct drm_property_blob * |
4181 | struct drm_property_blob * |
4111 | drm_property_create_blob(struct drm_device *dev, size_t length, |
4182 | drm_property_create_blob(struct drm_device *dev, size_t length, |
4112 | const void *data) |
4183 | const void *data) |
4113 | { |
4184 | { |
4114 | struct drm_property_blob *blob; |
4185 | struct drm_property_blob *blob; |
4115 | int ret; |
4186 | int ret; |
4116 | 4187 | ||
4117 | if (!length || length > ULONG_MAX - sizeof(struct drm_property_blob)) |
4188 | if (!length || length > ULONG_MAX - sizeof(struct drm_property_blob)) |
4118 | return ERR_PTR(-EINVAL); |
4189 | return ERR_PTR(-EINVAL); |
4119 | 4190 | ||
4120 | blob = kzalloc(sizeof(struct drm_property_blob)+length, GFP_KERNEL); |
4191 | blob = kzalloc(sizeof(struct drm_property_blob)+length, GFP_KERNEL); |
4121 | if (!blob) |
4192 | if (!blob) |
4122 | return ERR_PTR(-ENOMEM); |
4193 | return ERR_PTR(-ENOMEM); |
4123 | 4194 | ||
4124 | /* This must be explicitly initialised, so we can safely call list_del |
4195 | /* This must be explicitly initialised, so we can safely call list_del |
4125 | * on it in the removal handler, even if it isn't in a file list. */ |
4196 | * on it in the removal handler, even if it isn't in a file list. */ |
4126 | INIT_LIST_HEAD(&blob->head_file); |
4197 | INIT_LIST_HEAD(&blob->head_file); |
4127 | blob->length = length; |
4198 | blob->length = length; |
4128 | blob->dev = dev; |
4199 | blob->dev = dev; |
4129 | 4200 | ||
4130 | if (data) |
4201 | if (data) |
4131 | memcpy(blob->data, data, length); |
4202 | memcpy(blob->data, data, length); |
4132 | 4203 | ||
4133 | mutex_lock(&dev->mode_config.blob_lock); |
4204 | mutex_lock(&dev->mode_config.blob_lock); |
4134 | 4205 | ||
4135 | ret = drm_mode_object_get(dev, &blob->base, DRM_MODE_OBJECT_BLOB); |
4206 | ret = drm_mode_object_get(dev, &blob->base, DRM_MODE_OBJECT_BLOB); |
4136 | if (ret) { |
4207 | if (ret) { |
4137 | kfree(blob); |
4208 | kfree(blob); |
4138 | mutex_unlock(&dev->mode_config.blob_lock); |
4209 | mutex_unlock(&dev->mode_config.blob_lock); |
4139 | return ERR_PTR(-EINVAL); |
4210 | return ERR_PTR(-EINVAL); |
4140 | } |
4211 | } |
4141 | 4212 | ||
4142 | kref_init(&blob->refcount); |
4213 | kref_init(&blob->refcount); |
4143 | 4214 | ||
4144 | list_add_tail(&blob->head_global, |
4215 | list_add_tail(&blob->head_global, |
4145 | &dev->mode_config.property_blob_list); |
4216 | &dev->mode_config.property_blob_list); |
4146 | 4217 | ||
4147 | mutex_unlock(&dev->mode_config.blob_lock); |
4218 | mutex_unlock(&dev->mode_config.blob_lock); |
4148 | 4219 | ||
4149 | return blob; |
4220 | return blob; |
4150 | } |
4221 | } |
4151 | EXPORT_SYMBOL(drm_property_create_blob); |
4222 | EXPORT_SYMBOL(drm_property_create_blob); |
4152 | 4223 | ||
4153 | /** |
4224 | /** |
4154 | * drm_property_free_blob - Blob property destructor |
4225 | * drm_property_free_blob - Blob property destructor |
4155 | * |
4226 | * |
4156 | * Internal free function for blob properties; must not be used directly. |
4227 | * Internal free function for blob properties; must not be used directly. |
4157 | * |
4228 | * |
4158 | * @kref: Reference |
4229 | * @kref: Reference |
4159 | */ |
4230 | */ |
4160 | static void drm_property_free_blob(struct kref *kref) |
4231 | static void drm_property_free_blob(struct kref *kref) |
4161 | { |
4232 | { |
4162 | struct drm_property_blob *blob = |
4233 | struct drm_property_blob *blob = |
4163 | container_of(kref, struct drm_property_blob, refcount); |
4234 | container_of(kref, struct drm_property_blob, refcount); |
4164 | 4235 | ||
4165 | WARN_ON(!mutex_is_locked(&blob->dev->mode_config.blob_lock)); |
4236 | WARN_ON(!mutex_is_locked(&blob->dev->mode_config.blob_lock)); |
4166 | 4237 | ||
4167 | list_del(&blob->head_global); |
4238 | list_del(&blob->head_global); |
4168 | list_del(&blob->head_file); |
4239 | list_del(&blob->head_file); |
4169 | drm_mode_object_put(blob->dev, &blob->base); |
4240 | drm_mode_object_put(blob->dev, &blob->base); |
4170 | 4241 | ||
4171 | kfree(blob); |
4242 | kfree(blob); |
4172 | } |
4243 | } |
4173 | 4244 | ||
4174 | /** |
4245 | /** |
4175 | * drm_property_unreference_blob - Unreference a blob property |
4246 | * drm_property_unreference_blob - Unreference a blob property |
4176 | * |
4247 | * |
4177 | * Drop a reference on a blob property. May free the object. |
4248 | * Drop a reference on a blob property. May free the object. |
4178 | * |
4249 | * |
4179 | * @blob: Pointer to blob property |
4250 | * @blob: Pointer to blob property |
4180 | */ |
4251 | */ |
4181 | void drm_property_unreference_blob(struct drm_property_blob *blob) |
4252 | void drm_property_unreference_blob(struct drm_property_blob *blob) |
4182 | { |
4253 | { |
4183 | struct drm_device *dev; |
4254 | struct drm_device *dev; |
4184 | 4255 | ||
4185 | if (!blob) |
4256 | if (!blob) |
4186 | return; |
4257 | return; |
4187 | 4258 | ||
4188 | dev = blob->dev; |
4259 | dev = blob->dev; |
4189 | 4260 | ||
4190 | DRM_DEBUG("%p: blob ID: %d (%d)\n", blob, blob->base.id, atomic_read(&blob->refcount.refcount)); |
4261 | DRM_DEBUG("%p: blob ID: %d (%d)\n", blob, blob->base.id, atomic_read(&blob->refcount.refcount)); |
4191 | 4262 | ||
4192 | if (kref_put_mutex(&blob->refcount, drm_property_free_blob, |
4263 | if (kref_put_mutex(&blob->refcount, drm_property_free_blob, |
4193 | &dev->mode_config.blob_lock)) |
4264 | &dev->mode_config.blob_lock)) |
4194 | mutex_unlock(&dev->mode_config.blob_lock); |
4265 | mutex_unlock(&dev->mode_config.blob_lock); |
4195 | else |
4266 | else |
4196 | might_lock(&dev->mode_config.blob_lock); |
4267 | might_lock(&dev->mode_config.blob_lock); |
4197 | } |
4268 | } |
4198 | EXPORT_SYMBOL(drm_property_unreference_blob); |
4269 | EXPORT_SYMBOL(drm_property_unreference_blob); |
4199 | 4270 | ||
4200 | /** |
4271 | /** |
4201 | * drm_property_unreference_blob_locked - Unreference a blob property with blob_lock held |
4272 | * drm_property_unreference_blob_locked - Unreference a blob property with blob_lock held |
4202 | * |
4273 | * |
4203 | * Drop a reference on a blob property. May free the object. This must be |
4274 | * Drop a reference on a blob property. May free the object. This must be |
4204 | * called with blob_lock held. |
4275 | * called with blob_lock held. |
4205 | * |
4276 | * |
4206 | * @blob: Pointer to blob property |
4277 | * @blob: Pointer to blob property |
4207 | */ |
4278 | */ |
4208 | static void drm_property_unreference_blob_locked(struct drm_property_blob *blob) |
4279 | static void drm_property_unreference_blob_locked(struct drm_property_blob *blob) |
4209 | { |
4280 | { |
4210 | if (!blob) |
4281 | if (!blob) |
4211 | return; |
4282 | return; |
4212 | 4283 | ||
4213 | DRM_DEBUG("%p: blob ID: %d (%d)\n", blob, blob->base.id, atomic_read(&blob->refcount.refcount)); |
4284 | DRM_DEBUG("%p: blob ID: %d (%d)\n", blob, blob->base.id, atomic_read(&blob->refcount.refcount)); |
4214 | 4285 | ||
4215 | kref_put(&blob->refcount, drm_property_free_blob); |
4286 | kref_put(&blob->refcount, drm_property_free_blob); |
4216 | } |
4287 | } |
4217 | 4288 | ||
4218 | /** |
4289 | /** |
4219 | * drm_property_destroy_user_blobs - destroy all blobs created by this client |
4290 | * drm_property_destroy_user_blobs - destroy all blobs created by this client |
4220 | * @dev: DRM device |
4291 | * @dev: DRM device |
4221 | * @file_priv: destroy all blobs owned by this file handle |
4292 | * @file_priv: destroy all blobs owned by this file handle |
4222 | */ |
4293 | */ |
4223 | void drm_property_destroy_user_blobs(struct drm_device *dev, |
4294 | void drm_property_destroy_user_blobs(struct drm_device *dev, |
4224 | struct drm_file *file_priv) |
4295 | struct drm_file *file_priv) |
4225 | { |
4296 | { |
4226 | struct drm_property_blob *blob, *bt; |
4297 | struct drm_property_blob *blob, *bt; |
4227 | 4298 | ||
4228 | mutex_lock(&dev->mode_config.blob_lock); |
4299 | mutex_lock(&dev->mode_config.blob_lock); |
4229 | 4300 | ||
4230 | list_for_each_entry_safe(blob, bt, &file_priv->blobs, head_file) { |
4301 | list_for_each_entry_safe(blob, bt, &file_priv->blobs, head_file) { |
4231 | list_del_init(&blob->head_file); |
4302 | list_del_init(&blob->head_file); |
4232 | drm_property_unreference_blob_locked(blob); |
4303 | drm_property_unreference_blob_locked(blob); |
4233 | } |
4304 | } |
4234 | 4305 | ||
4235 | mutex_unlock(&dev->mode_config.blob_lock); |
4306 | mutex_unlock(&dev->mode_config.blob_lock); |
4236 | } |
4307 | } |
4237 | 4308 | ||
4238 | /** |
4309 | /** |
4239 | * drm_property_reference_blob - Take a reference on an existing property |
4310 | * drm_property_reference_blob - Take a reference on an existing property |
4240 | * |
4311 | * |
4241 | * Take a new reference on an existing blob property. |
4312 | * Take a new reference on an existing blob property. |
4242 | * |
4313 | * |
4243 | * @blob: Pointer to blob property |
4314 | * @blob: Pointer to blob property |
4244 | */ |
4315 | */ |
4245 | struct drm_property_blob *drm_property_reference_blob(struct drm_property_blob *blob) |
4316 | struct drm_property_blob *drm_property_reference_blob(struct drm_property_blob *blob) |
4246 | { |
4317 | { |
4247 | DRM_DEBUG("%p: blob ID: %d (%d)\n", blob, blob->base.id, atomic_read(&blob->refcount.refcount)); |
4318 | DRM_DEBUG("%p: blob ID: %d (%d)\n", blob, blob->base.id, atomic_read(&blob->refcount.refcount)); |
4248 | kref_get(&blob->refcount); |
4319 | kref_get(&blob->refcount); |
4249 | return blob; |
4320 | return blob; |
4250 | } |
4321 | } |
4251 | EXPORT_SYMBOL(drm_property_reference_blob); |
4322 | EXPORT_SYMBOL(drm_property_reference_blob); |
4252 | 4323 | ||
4253 | /* |
4324 | /* |
4254 | * Like drm_property_lookup_blob, but does not return an additional reference. |
4325 | * Like drm_property_lookup_blob, but does not return an additional reference. |
4255 | * Must be called with blob_lock held. |
4326 | * Must be called with blob_lock held. |
4256 | */ |
4327 | */ |
4257 | static struct drm_property_blob *__drm_property_lookup_blob(struct drm_device *dev, |
4328 | static struct drm_property_blob *__drm_property_lookup_blob(struct drm_device *dev, |
4258 | uint32_t id) |
4329 | uint32_t id) |
4259 | { |
4330 | { |
4260 | struct drm_mode_object *obj = NULL; |
4331 | struct drm_mode_object *obj = NULL; |
4261 | struct drm_property_blob *blob; |
4332 | struct drm_property_blob *blob; |
4262 | 4333 | ||
4263 | WARN_ON(!mutex_is_locked(&dev->mode_config.blob_lock)); |
4334 | WARN_ON(!mutex_is_locked(&dev->mode_config.blob_lock)); |
4264 | 4335 | ||
4265 | mutex_lock(&dev->mode_config.idr_mutex); |
4336 | mutex_lock(&dev->mode_config.idr_mutex); |
4266 | obj = idr_find(&dev->mode_config.crtc_idr, id); |
4337 | obj = idr_find(&dev->mode_config.crtc_idr, id); |
4267 | if (!obj || (obj->type != DRM_MODE_OBJECT_BLOB) || (obj->id != id)) |
4338 | if (!obj || (obj->type != DRM_MODE_OBJECT_BLOB) || (obj->id != id)) |
4268 | blob = NULL; |
4339 | blob = NULL; |
4269 | else |
4340 | else |
4270 | blob = obj_to_blob(obj); |
4341 | blob = obj_to_blob(obj); |
4271 | mutex_unlock(&dev->mode_config.idr_mutex); |
4342 | mutex_unlock(&dev->mode_config.idr_mutex); |
4272 | 4343 | ||
4273 | return blob; |
4344 | return blob; |
4274 | } |
4345 | } |
4275 | 4346 | ||
4276 | /** |
4347 | /** |
4277 | * drm_property_lookup_blob - look up a blob property and take a reference |
4348 | * drm_property_lookup_blob - look up a blob property and take a reference |
4278 | * @dev: drm device |
4349 | * @dev: drm device |
4279 | * @id: id of the blob property |
4350 | * @id: id of the blob property |
4280 | * |
4351 | * |
4281 | * If successful, this takes an additional reference to the blob property. |
4352 | * If successful, this takes an additional reference to the blob property. |
4282 | * callers need to make sure to eventually unreference the returned property |
4353 | * callers need to make sure to eventually unreference the returned property |
4283 | * again, using @drm_property_unreference_blob. |
4354 | * again, using @drm_property_unreference_blob. |
4284 | */ |
4355 | */ |
4285 | struct drm_property_blob *drm_property_lookup_blob(struct drm_device *dev, |
4356 | struct drm_property_blob *drm_property_lookup_blob(struct drm_device *dev, |
4286 | uint32_t id) |
4357 | uint32_t id) |
4287 | { |
4358 | { |
4288 | struct drm_property_blob *blob; |
4359 | struct drm_property_blob *blob; |
4289 | 4360 | ||
4290 | mutex_lock(&dev->mode_config.blob_lock); |
4361 | mutex_lock(&dev->mode_config.blob_lock); |
4291 | blob = __drm_property_lookup_blob(dev, id); |
4362 | blob = __drm_property_lookup_blob(dev, id); |
4292 | if (blob) { |
4363 | if (blob) { |
4293 | if (!kref_get_unless_zero(&blob->refcount)) |
4364 | if (!kref_get_unless_zero(&blob->refcount)) |
4294 | blob = NULL; |
4365 | blob = NULL; |
4295 | } |
4366 | } |
4296 | mutex_unlock(&dev->mode_config.blob_lock); |
4367 | mutex_unlock(&dev->mode_config.blob_lock); |
4297 | 4368 | ||
4298 | return blob; |
4369 | return blob; |
4299 | } |
4370 | } |
4300 | EXPORT_SYMBOL(drm_property_lookup_blob); |
4371 | EXPORT_SYMBOL(drm_property_lookup_blob); |
4301 | 4372 | ||
4302 | /** |
4373 | /** |
4303 | * drm_property_replace_global_blob - atomically replace existing blob property |
4374 | * drm_property_replace_global_blob - atomically replace existing blob property |
4304 | * @dev: drm device |
4375 | * @dev: drm device |
4305 | * @replace: location of blob property pointer to be replaced |
4376 | * @replace: location of blob property pointer to be replaced |
4306 | * @length: length of data for new blob, or 0 for no data |
4377 | * @length: length of data for new blob, or 0 for no data |
4307 | * @data: content for new blob, or NULL for no data |
4378 | * @data: content for new blob, or NULL for no data |
4308 | * @obj_holds_id: optional object for property holding blob ID |
4379 | * @obj_holds_id: optional object for property holding blob ID |
4309 | * @prop_holds_id: optional property holding blob ID |
4380 | * @prop_holds_id: optional property holding blob ID |
4310 | * @return 0 on success or error on failure |
4381 | * @return 0 on success or error on failure |
4311 | * |
4382 | * |
4312 | * This function will atomically replace a global property in the blob list, |
4383 | * This function will atomically replace a global property in the blob list, |
4313 | * optionally updating a property which holds the ID of that property. It is |
4384 | * optionally updating a property which holds the ID of that property. It is |
4314 | * guaranteed to be atomic: no caller will be allowed to see intermediate |
4385 | * guaranteed to be atomic: no caller will be allowed to see intermediate |
4315 | * results, and either the entire operation will succeed and clean up the |
4386 | * results, and either the entire operation will succeed and clean up the |
4316 | * previous property, or it will fail and the state will be unchanged. |
4387 | * previous property, or it will fail and the state will be unchanged. |
4317 | * |
4388 | * |
4318 | * If length is 0 or data is NULL, no new blob will be created, and the holding |
4389 | * If length is 0 or data is NULL, no new blob will be created, and the holding |
4319 | * property, if specified, will be set to 0. |
4390 | * property, if specified, will be set to 0. |
4320 | * |
4391 | * |
4321 | * Access to the replace pointer is assumed to be protected by the caller, e.g. |
4392 | * Access to the replace pointer is assumed to be protected by the caller, e.g. |
4322 | * by holding the relevant modesetting object lock for its parent. |
4393 | * by holding the relevant modesetting object lock for its parent. |
4323 | * |
4394 | * |
4324 | * For example, a drm_connector has a 'PATH' property, which contains the ID |
4395 | * For example, a drm_connector has a 'PATH' property, which contains the ID |
4325 | * of a blob property with the value of the MST path information. Calling this |
4396 | * of a blob property with the value of the MST path information. Calling this |
4326 | * function with replace pointing to the connector's path_blob_ptr, length and |
4397 | * function with replace pointing to the connector's path_blob_ptr, length and |
4327 | * data set for the new path information, obj_holds_id set to the connector's |
4398 | * data set for the new path information, obj_holds_id set to the connector's |
4328 | * base object, and prop_holds_id set to the path property name, will perform |
4399 | * base object, and prop_holds_id set to the path property name, will perform |
4329 | * a completely atomic update. The access to path_blob_ptr is protected by the |
4400 | * a completely atomic update. The access to path_blob_ptr is protected by the |
4330 | * caller holding a lock on the connector. |
4401 | * caller holding a lock on the connector. |
4331 | */ |
4402 | */ |
4332 | static int drm_property_replace_global_blob(struct drm_device *dev, |
4403 | static int drm_property_replace_global_blob(struct drm_device *dev, |
4333 | struct drm_property_blob **replace, |
4404 | struct drm_property_blob **replace, |
4334 | size_t length, |
4405 | size_t length, |
4335 | const void *data, |
4406 | const void *data, |
4336 | struct drm_mode_object *obj_holds_id, |
4407 | struct drm_mode_object *obj_holds_id, |
4337 | struct drm_property *prop_holds_id) |
4408 | struct drm_property *prop_holds_id) |
4338 | { |
4409 | { |
4339 | struct drm_property_blob *new_blob = NULL; |
4410 | struct drm_property_blob *new_blob = NULL; |
4340 | struct drm_property_blob *old_blob = NULL; |
4411 | struct drm_property_blob *old_blob = NULL; |
4341 | int ret; |
4412 | int ret; |
4342 | 4413 | ||
4343 | WARN_ON(replace == NULL); |
4414 | WARN_ON(replace == NULL); |
4344 | 4415 | ||
4345 | old_blob = *replace; |
4416 | old_blob = *replace; |
4346 | 4417 | ||
4347 | if (length && data) { |
4418 | if (length && data) { |
4348 | new_blob = drm_property_create_blob(dev, length, data); |
4419 | new_blob = drm_property_create_blob(dev, length, data); |
4349 | if (IS_ERR(new_blob)) |
4420 | if (IS_ERR(new_blob)) |
4350 | return PTR_ERR(new_blob); |
4421 | return PTR_ERR(new_blob); |
4351 | } |
4422 | } |
4352 | 4423 | ||
4353 | /* This does not need to be synchronised with blob_lock, as the |
4424 | /* This does not need to be synchronised with blob_lock, as the |
4354 | * get_properties ioctl locks all modesetting objects, and |
4425 | * get_properties ioctl locks all modesetting objects, and |
4355 | * obj_holds_id must be locked before calling here, so we cannot |
4426 | * obj_holds_id must be locked before calling here, so we cannot |
4356 | * have its value out of sync with the list membership modified |
4427 | * have its value out of sync with the list membership modified |
4357 | * below under blob_lock. */ |
4428 | * below under blob_lock. */ |
4358 | if (obj_holds_id) { |
4429 | if (obj_holds_id) { |
4359 | ret = drm_object_property_set_value(obj_holds_id, |
4430 | ret = drm_object_property_set_value(obj_holds_id, |
4360 | prop_holds_id, |
4431 | prop_holds_id, |
4361 | new_blob ? |
4432 | new_blob ? |
4362 | new_blob->base.id : 0); |
4433 | new_blob->base.id : 0); |
4363 | if (ret != 0) |
4434 | if (ret != 0) |
4364 | goto err_created; |
4435 | goto err_created; |
4365 | } |
4436 | } |
4366 | 4437 | ||
4367 | drm_property_unreference_blob(old_blob); |
4438 | drm_property_unreference_blob(old_blob); |
4368 | *replace = new_blob; |
4439 | *replace = new_blob; |
4369 | 4440 | ||
4370 | return 0; |
4441 | return 0; |
4371 | 4442 | ||
4372 | err_created: |
4443 | err_created: |
4373 | drm_property_unreference_blob(new_blob); |
4444 | drm_property_unreference_blob(new_blob); |
4374 | return ret; |
4445 | return ret; |
4375 | } |
4446 | } |
4376 | 4447 | ||
4377 | 4448 | ||
4378 | #if 0 |
4449 | #if 0 |
4379 | /** |
4450 | /** |
4380 | * drm_mode_getblob_ioctl - get the contents of a blob property value |
4451 | * drm_mode_getblob_ioctl - get the contents of a blob property value |
4381 | * @dev: DRM device |
4452 | * @dev: DRM device |
4382 | * @data: ioctl data |
4453 | * @data: ioctl data |
4383 | * @file_priv: DRM file info |
4454 | * @file_priv: DRM file info |
4384 | * |
4455 | * |
4385 | * This function retrieves the contents of a blob property. The value stored in |
4456 | * This function retrieves the contents of a blob property. The value stored in |
4386 | * an object's blob property is just a normal modeset object id. |
4457 | * an object's blob property is just a normal modeset object id. |
4387 | * |
4458 | * |
4388 | * Called by the user via ioctl. |
4459 | * Called by the user via ioctl. |
4389 | * |
4460 | * |
4390 | * Returns: |
4461 | * Returns: |
4391 | * Zero on success, negative errno on failure. |
4462 | * Zero on success, negative errno on failure. |
4392 | */ |
4463 | */ |
4393 | int drm_mode_getblob_ioctl(struct drm_device *dev, |
4464 | int drm_mode_getblob_ioctl(struct drm_device *dev, |
4394 | void *data, struct drm_file *file_priv) |
4465 | void *data, struct drm_file *file_priv) |
4395 | { |
4466 | { |
4396 | struct drm_mode_get_blob *out_resp = data; |
4467 | struct drm_mode_get_blob *out_resp = data; |
4397 | struct drm_property_blob *blob; |
4468 | struct drm_property_blob *blob; |
4398 | int ret = 0; |
4469 | int ret = 0; |
4399 | void __user *blob_ptr; |
4470 | void __user *blob_ptr; |
4400 | 4471 | ||
4401 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
4472 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
4402 | return -EINVAL; |
4473 | return -EINVAL; |
4403 | 4474 | ||
4404 | drm_modeset_lock_all(dev); |
4475 | drm_modeset_lock_all(dev); |
4405 | mutex_lock(&dev->mode_config.blob_lock); |
4476 | mutex_lock(&dev->mode_config.blob_lock); |
4406 | blob = __drm_property_lookup_blob(dev, out_resp->blob_id); |
4477 | blob = __drm_property_lookup_blob(dev, out_resp->blob_id); |
4407 | if (!blob) { |
4478 | if (!blob) { |
4408 | ret = -ENOENT; |
4479 | ret = -ENOENT; |
4409 | goto done; |
4480 | goto done; |
4410 | } |
4481 | } |
4411 | 4482 | ||
4412 | if (out_resp->length == blob->length) { |
4483 | if (out_resp->length == blob->length) { |
4413 | blob_ptr = (void __user *)(unsigned long)out_resp->data; |
4484 | blob_ptr = (void __user *)(unsigned long)out_resp->data; |
4414 | if (copy_to_user(blob_ptr, blob->data, blob->length)) { |
4485 | if (copy_to_user(blob_ptr, blob->data, blob->length)) { |
4415 | ret = -EFAULT; |
4486 | ret = -EFAULT; |
4416 | goto done; |
4487 | goto done; |
4417 | } |
4488 | } |
4418 | } |
4489 | } |
4419 | out_resp->length = blob->length; |
4490 | out_resp->length = blob->length; |
4420 | 4491 | ||
4421 | done: |
4492 | done: |
4422 | mutex_unlock(&dev->mode_config.blob_lock); |
4493 | mutex_unlock(&dev->mode_config.blob_lock); |
4423 | drm_modeset_unlock_all(dev); |
4494 | drm_modeset_unlock_all(dev); |
4424 | return ret; |
4495 | return ret; |
4425 | } |
4496 | } |
4426 | #endif |
4497 | #endif |
4427 | 4498 | ||
4428 | /** |
4499 | /** |
4429 | * drm_mode_connector_set_path_property - set tile property on connector |
4500 | * drm_mode_connector_set_path_property - set tile property on connector |
4430 | * @connector: connector to set property on. |
4501 | * @connector: connector to set property on. |
4431 | * @path: path to use for property; must not be NULL. |
4502 | * @path: path to use for property; must not be NULL. |
4432 | * |
4503 | * |
4433 | * This creates a property to expose to userspace to specify a |
4504 | * This creates a property to expose to userspace to specify a |
4434 | * connector path. This is mainly used for DisplayPort MST where |
4505 | * connector path. This is mainly used for DisplayPort MST where |
4435 | * connectors have a topology and we want to allow userspace to give |
4506 | * connectors have a topology and we want to allow userspace to give |
4436 | * them more meaningful names. |
4507 | * them more meaningful names. |
4437 | * |
4508 | * |
4438 | * Returns: |
4509 | * Returns: |
4439 | * Zero on success, negative errno on failure. |
4510 | * Zero on success, negative errno on failure. |
4440 | */ |
4511 | */ |
4441 | int drm_mode_connector_set_path_property(struct drm_connector *connector, |
4512 | int drm_mode_connector_set_path_property(struct drm_connector *connector, |
4442 | const char *path) |
4513 | const char *path) |
4443 | { |
4514 | { |
4444 | struct drm_device *dev = connector->dev; |
4515 | struct drm_device *dev = connector->dev; |
4445 | int ret; |
4516 | int ret; |
4446 | 4517 | ||
4447 | ret = drm_property_replace_global_blob(dev, |
4518 | ret = drm_property_replace_global_blob(dev, |
4448 | &connector->path_blob_ptr, |
4519 | &connector->path_blob_ptr, |
4449 | strlen(path) + 1, |
4520 | strlen(path) + 1, |
4450 | path, |
4521 | path, |
4451 | &connector->base, |
4522 | &connector->base, |
4452 | dev->mode_config.path_property); |
4523 | dev->mode_config.path_property); |
4453 | return ret; |
4524 | return ret; |
4454 | } |
4525 | } |
4455 | EXPORT_SYMBOL(drm_mode_connector_set_path_property); |
4526 | EXPORT_SYMBOL(drm_mode_connector_set_path_property); |
4456 | 4527 | ||
4457 | /** |
4528 | /** |
4458 | * drm_mode_connector_set_tile_property - set tile property on connector |
4529 | * drm_mode_connector_set_tile_property - set tile property on connector |
4459 | * @connector: connector to set property on. |
4530 | * @connector: connector to set property on. |
4460 | * |
4531 | * |
4461 | * This looks up the tile information for a connector, and creates a |
4532 | * This looks up the tile information for a connector, and creates a |
4462 | * property for userspace to parse if it exists. The property is of |
4533 | * property for userspace to parse if it exists. The property is of |
4463 | * the form of 8 integers using ':' as a separator. |
4534 | * the form of 8 integers using ':' as a separator. |
4464 | * |
4535 | * |
4465 | * Returns: |
4536 | * Returns: |
4466 | * Zero on success, errno on failure. |
4537 | * Zero on success, errno on failure. |
4467 | */ |
4538 | */ |
4468 | int drm_mode_connector_set_tile_property(struct drm_connector *connector) |
4539 | int drm_mode_connector_set_tile_property(struct drm_connector *connector) |
4469 | { |
4540 | { |
4470 | struct drm_device *dev = connector->dev; |
4541 | struct drm_device *dev = connector->dev; |
4471 | char tile[256]; |
4542 | char tile[256]; |
4472 | int ret; |
4543 | int ret; |
4473 | 4544 | ||
4474 | if (!connector->has_tile) { |
4545 | if (!connector->has_tile) { |
4475 | ret = drm_property_replace_global_blob(dev, |
4546 | ret = drm_property_replace_global_blob(dev, |
4476 | &connector->tile_blob_ptr, |
4547 | &connector->tile_blob_ptr, |
4477 | 0, |
4548 | 0, |
4478 | NULL, |
4549 | NULL, |
4479 | &connector->base, |
4550 | &connector->base, |
4480 | dev->mode_config.tile_property); |
4551 | dev->mode_config.tile_property); |
4481 | return ret; |
4552 | return ret; |
4482 | } |
4553 | } |
4483 | 4554 | ||
4484 | snprintf(tile, 256, "%d:%d:%d:%d:%d:%d:%d:%d", |
4555 | snprintf(tile, 256, "%d:%d:%d:%d:%d:%d:%d:%d", |
4485 | connector->tile_group->id, connector->tile_is_single_monitor, |
4556 | connector->tile_group->id, connector->tile_is_single_monitor, |
4486 | connector->num_h_tile, connector->num_v_tile, |
4557 | connector->num_h_tile, connector->num_v_tile, |
4487 | connector->tile_h_loc, connector->tile_v_loc, |
4558 | connector->tile_h_loc, connector->tile_v_loc, |
4488 | connector->tile_h_size, connector->tile_v_size); |
4559 | connector->tile_h_size, connector->tile_v_size); |
4489 | 4560 | ||
4490 | ret = drm_property_replace_global_blob(dev, |
4561 | ret = drm_property_replace_global_blob(dev, |
4491 | &connector->tile_blob_ptr, |
4562 | &connector->tile_blob_ptr, |
4492 | strlen(tile) + 1, |
4563 | strlen(tile) + 1, |
4493 | tile, |
4564 | tile, |
4494 | &connector->base, |
4565 | &connector->base, |
4495 | dev->mode_config.tile_property); |
4566 | dev->mode_config.tile_property); |
4496 | return ret; |
4567 | return ret; |
4497 | } |
4568 | } |
4498 | EXPORT_SYMBOL(drm_mode_connector_set_tile_property); |
4569 | EXPORT_SYMBOL(drm_mode_connector_set_tile_property); |
4499 | 4570 | ||
4500 | /** |
4571 | /** |
4501 | * drm_mode_connector_update_edid_property - update the edid property of a connector |
4572 | * drm_mode_connector_update_edid_property - update the edid property of a connector |
4502 | * @connector: drm connector |
4573 | * @connector: drm connector |
4503 | * @edid: new value of the edid property |
4574 | * @edid: new value of the edid property |
4504 | * |
4575 | * |
4505 | * This function creates a new blob modeset object and assigns its id to the |
4576 | * This function creates a new blob modeset object and assigns its id to the |
4506 | * connector's edid property. |
4577 | * connector's edid property. |
4507 | * |
4578 | * |
4508 | * Returns: |
4579 | * Returns: |
4509 | * Zero on success, negative errno on failure. |
4580 | * Zero on success, negative errno on failure. |
4510 | */ |
4581 | */ |
4511 | int drm_mode_connector_update_edid_property(struct drm_connector *connector, |
4582 | int drm_mode_connector_update_edid_property(struct drm_connector *connector, |
4512 | const struct edid *edid) |
4583 | const struct edid *edid) |
4513 | { |
4584 | { |
4514 | struct drm_device *dev = connector->dev; |
4585 | struct drm_device *dev = connector->dev; |
4515 | size_t size = 0; |
4586 | size_t size = 0; |
4516 | int ret; |
4587 | int ret; |
4517 | 4588 | ||
4518 | /* ignore requests to set edid when overridden */ |
4589 | /* ignore requests to set edid when overridden */ |
4519 | if (connector->override_edid) |
4590 | if (connector->override_edid) |
4520 | return 0; |
4591 | return 0; |
4521 | 4592 | ||
4522 | if (edid) |
4593 | if (edid) |
4523 | size = EDID_LENGTH * (1 + edid->extensions); |
4594 | size = EDID_LENGTH * (1 + edid->extensions); |
4524 | 4595 | ||
4525 | ret = drm_property_replace_global_blob(dev, |
4596 | ret = drm_property_replace_global_blob(dev, |
4526 | &connector->edid_blob_ptr, |
4597 | &connector->edid_blob_ptr, |
4527 | size, |
4598 | size, |
4528 | edid, |
4599 | edid, |
4529 | &connector->base, |
4600 | &connector->base, |
4530 | dev->mode_config.edid_property); |
4601 | dev->mode_config.edid_property); |
4531 | return ret; |
4602 | return ret; |
4532 | } |
4603 | } |
4533 | EXPORT_SYMBOL(drm_mode_connector_update_edid_property); |
4604 | EXPORT_SYMBOL(drm_mode_connector_update_edid_property); |
4534 | 4605 | ||
4535 | /* Some properties could refer to dynamic refcnt'd objects, or things that |
4606 | /* Some properties could refer to dynamic refcnt'd objects, or things that |
4536 | * need special locking to handle lifetime issues (ie. to ensure the prop |
4607 | * need special locking to handle lifetime issues (ie. to ensure the prop |
4537 | * value doesn't become invalid part way through the property update due to |
4608 | * value doesn't become invalid part way through the property update due to |
4538 | * race). The value returned by reference via 'obj' should be passed back |
4609 | * race). The value returned by reference via 'obj' should be passed back |
4539 | * to drm_property_change_valid_put() after the property is set (and the |
4610 | * to drm_property_change_valid_put() after the property is set (and the |
4540 | * object to which the property is attached has a chance to take it's own |
4611 | * object to which the property is attached has a chance to take it's own |
4541 | * reference). |
4612 | * reference). |
4542 | */ |
4613 | */ |
4543 | bool drm_property_change_valid_get(struct drm_property *property, |
4614 | bool drm_property_change_valid_get(struct drm_property *property, |
4544 | uint64_t value, struct drm_mode_object **ref) |
4615 | uint64_t value, struct drm_mode_object **ref) |
4545 | { |
4616 | { |
4546 | int i; |
4617 | int i; |
4547 | 4618 | ||
4548 | if (property->flags & DRM_MODE_PROP_IMMUTABLE) |
4619 | if (property->flags & DRM_MODE_PROP_IMMUTABLE) |
4549 | return false; |
4620 | return false; |
4550 | 4621 | ||
4551 | *ref = NULL; |
4622 | *ref = NULL; |
4552 | 4623 | ||
4553 | if (drm_property_type_is(property, DRM_MODE_PROP_RANGE)) { |
4624 | if (drm_property_type_is(property, DRM_MODE_PROP_RANGE)) { |
4554 | if (value < property->values[0] || value > property->values[1]) |
4625 | if (value < property->values[0] || value > property->values[1]) |
4555 | return false; |
4626 | return false; |
4556 | return true; |
4627 | return true; |
4557 | } else if (drm_property_type_is(property, DRM_MODE_PROP_SIGNED_RANGE)) { |
4628 | } else if (drm_property_type_is(property, DRM_MODE_PROP_SIGNED_RANGE)) { |
4558 | int64_t svalue = U642I64(value); |
4629 | int64_t svalue = U642I64(value); |
4559 | 4630 | ||
4560 | if (svalue < U642I64(property->values[0]) || |
4631 | if (svalue < U642I64(property->values[0]) || |
4561 | svalue > U642I64(property->values[1])) |
4632 | svalue > U642I64(property->values[1])) |
4562 | return false; |
4633 | return false; |
4563 | return true; |
4634 | return true; |
4564 | } else if (drm_property_type_is(property, DRM_MODE_PROP_BITMASK)) { |
4635 | } else if (drm_property_type_is(property, DRM_MODE_PROP_BITMASK)) { |
4565 | uint64_t valid_mask = 0; |
4636 | uint64_t valid_mask = 0; |
4566 | 4637 | ||
4567 | for (i = 0; i < property->num_values; i++) |
4638 | for (i = 0; i < property->num_values; i++) |
4568 | valid_mask |= (1ULL << property->values[i]); |
4639 | valid_mask |= (1ULL << property->values[i]); |
4569 | return !(value & ~valid_mask); |
4640 | return !(value & ~valid_mask); |
4570 | } else if (drm_property_type_is(property, DRM_MODE_PROP_BLOB)) { |
4641 | } else if (drm_property_type_is(property, DRM_MODE_PROP_BLOB)) { |
4571 | struct drm_property_blob *blob; |
4642 | struct drm_property_blob *blob; |
4572 | 4643 | ||
4573 | if (value == 0) |
4644 | if (value == 0) |
4574 | return true; |
4645 | return true; |
4575 | 4646 | ||
4576 | blob = drm_property_lookup_blob(property->dev, value); |
4647 | blob = drm_property_lookup_blob(property->dev, value); |
4577 | if (blob) { |
4648 | if (blob) { |
4578 | *ref = &blob->base; |
4649 | *ref = &blob->base; |
4579 | return true; |
4650 | return true; |
4580 | } else { |
4651 | } else { |
4581 | return false; |
4652 | return false; |
4582 | } |
4653 | } |
4583 | } else if (drm_property_type_is(property, DRM_MODE_PROP_OBJECT)) { |
4654 | } else if (drm_property_type_is(property, DRM_MODE_PROP_OBJECT)) { |
4584 | /* a zero value for an object property translates to null: */ |
4655 | /* a zero value for an object property translates to null: */ |
4585 | if (value == 0) |
4656 | if (value == 0) |
4586 | return true; |
4657 | return true; |
4587 | 4658 | ||
4588 | /* handle refcnt'd objects specially: */ |
4659 | /* handle refcnt'd objects specially: */ |
4589 | if (property->values[0] == DRM_MODE_OBJECT_FB) { |
4660 | if (property->values[0] == DRM_MODE_OBJECT_FB) { |
4590 | struct drm_framebuffer *fb; |
4661 | struct drm_framebuffer *fb; |
4591 | fb = drm_framebuffer_lookup(property->dev, value); |
4662 | fb = drm_framebuffer_lookup(property->dev, value); |
4592 | if (fb) { |
4663 | if (fb) { |
4593 | *ref = &fb->base; |
4664 | *ref = &fb->base; |
4594 | return true; |
4665 | return true; |
4595 | } else { |
4666 | } else { |
4596 | return false; |
4667 | return false; |
4597 | } |
4668 | } |
4598 | } else { |
4669 | } else { |
4599 | return _object_find(property->dev, value, property->values[0]) != NULL; |
4670 | return _object_find(property->dev, value, property->values[0]) != NULL; |
4600 | } |
4671 | } |
4601 | } |
4672 | } |
4602 | 4673 | ||
4603 | for (i = 0; i < property->num_values; i++) |
4674 | for (i = 0; i < property->num_values; i++) |
4604 | if (property->values[i] == value) |
4675 | if (property->values[i] == value) |
4605 | return true; |
4676 | return true; |
4606 | return false; |
4677 | return false; |
4607 | } |
4678 | } |
4608 | 4679 | ||
4609 | void drm_property_change_valid_put(struct drm_property *property, |
4680 | void drm_property_change_valid_put(struct drm_property *property, |
4610 | struct drm_mode_object *ref) |
4681 | struct drm_mode_object *ref) |
4611 | { |
4682 | { |
4612 | if (!ref) |
4683 | if (!ref) |
4613 | return; |
4684 | return; |
4614 | 4685 | ||
4615 | if (drm_property_type_is(property, DRM_MODE_PROP_OBJECT)) { |
4686 | if (drm_property_type_is(property, DRM_MODE_PROP_OBJECT)) { |
4616 | if (property->values[0] == DRM_MODE_OBJECT_FB) |
4687 | if (property->values[0] == DRM_MODE_OBJECT_FB) |
4617 | drm_framebuffer_unreference(obj_to_fb(ref)); |
4688 | drm_framebuffer_unreference(obj_to_fb(ref)); |
4618 | } else if (drm_property_type_is(property, DRM_MODE_PROP_BLOB)) |
4689 | } else if (drm_property_type_is(property, DRM_MODE_PROP_BLOB)) |
4619 | drm_property_unreference_blob(obj_to_blob(ref)); |
4690 | drm_property_unreference_blob(obj_to_blob(ref)); |
4620 | } |
4691 | } |
4621 | 4692 | ||
4622 | 4693 | ||
4623 | 4694 | ||
4624 | static int drm_mode_connector_set_obj_prop(struct drm_mode_object *obj, |
4695 | static int drm_mode_connector_set_obj_prop(struct drm_mode_object *obj, |
4625 | struct drm_property *property, |
4696 | struct drm_property *property, |
4626 | uint64_t value) |
4697 | uint64_t value) |
4627 | { |
4698 | { |
4628 | int ret = -EINVAL; |
4699 | int ret = -EINVAL; |
4629 | struct drm_connector *connector = obj_to_connector(obj); |
4700 | struct drm_connector *connector = obj_to_connector(obj); |
4630 | 4701 | ||
4631 | /* Do DPMS ourselves */ |
4702 | /* Do DPMS ourselves */ |
4632 | if (property == connector->dev->mode_config.dpms_property) { |
4703 | if (property == connector->dev->mode_config.dpms_property) { |
4633 | ret = (*connector->funcs->dpms)(connector, (int)value); |
4704 | ret = (*connector->funcs->dpms)(connector, (int)value); |
4634 | } else if (connector->funcs->set_property) |
4705 | } else if (connector->funcs->set_property) |
4635 | ret = connector->funcs->set_property(connector, property, value); |
4706 | ret = connector->funcs->set_property(connector, property, value); |
4636 | 4707 | ||
4637 | /* store the property value if successful */ |
4708 | /* store the property value if successful */ |
4638 | if (!ret) |
4709 | if (!ret) |
4639 | drm_object_property_set_value(&connector->base, property, value); |
4710 | drm_object_property_set_value(&connector->base, property, value); |
4640 | return ret; |
4711 | return ret; |
4641 | } |
4712 | } |
4642 | 4713 | ||
4643 | static int drm_mode_crtc_set_obj_prop(struct drm_mode_object *obj, |
4714 | static int drm_mode_crtc_set_obj_prop(struct drm_mode_object *obj, |
4644 | struct drm_property *property, |
4715 | struct drm_property *property, |
4645 | uint64_t value) |
4716 | uint64_t value) |
4646 | { |
4717 | { |
4647 | int ret = -EINVAL; |
4718 | int ret = -EINVAL; |
4648 | struct drm_crtc *crtc = obj_to_crtc(obj); |
4719 | struct drm_crtc *crtc = obj_to_crtc(obj); |
4649 | 4720 | ||
4650 | if (crtc->funcs->set_property) |
4721 | if (crtc->funcs->set_property) |
4651 | ret = crtc->funcs->set_property(crtc, property, value); |
4722 | ret = crtc->funcs->set_property(crtc, property, value); |
4652 | if (!ret) |
4723 | if (!ret) |
4653 | drm_object_property_set_value(obj, property, value); |
4724 | drm_object_property_set_value(obj, property, value); |
4654 | 4725 | ||
4655 | return ret; |
4726 | return ret; |
4656 | } |
4727 | } |
4657 | 4728 | ||
4658 | /** |
4729 | /** |
4659 | * drm_mode_plane_set_obj_prop - set the value of a property |
4730 | * drm_mode_plane_set_obj_prop - set the value of a property |
4660 | * @plane: drm plane object to set property value for |
4731 | * @plane: drm plane object to set property value for |
4661 | * @property: property to set |
4732 | * @property: property to set |
4662 | * @value: value the property should be set to |
4733 | * @value: value the property should be set to |
4663 | * |
4734 | * |
4664 | * This functions sets a given property on a given plane object. This function |
4735 | * This functions sets a given property on a given plane object. This function |
4665 | * calls the driver's ->set_property callback and changes the software state of |
4736 | * calls the driver's ->set_property callback and changes the software state of |
4666 | * the property if the callback succeeds. |
4737 | * the property if the callback succeeds. |
4667 | * |
4738 | * |
4668 | * Returns: |
4739 | * Returns: |
4669 | * Zero on success, error code on failure. |
4740 | * Zero on success, error code on failure. |
4670 | */ |
4741 | */ |
4671 | int drm_mode_plane_set_obj_prop(struct drm_plane *plane, |
4742 | int drm_mode_plane_set_obj_prop(struct drm_plane *plane, |
4672 | struct drm_property *property, |
4743 | struct drm_property *property, |
4673 | uint64_t value) |
4744 | uint64_t value) |
4674 | { |
4745 | { |
4675 | int ret = -EINVAL; |
4746 | int ret = -EINVAL; |
4676 | struct drm_mode_object *obj = &plane->base; |
4747 | struct drm_mode_object *obj = &plane->base; |
4677 | 4748 | ||
4678 | if (plane->funcs->set_property) |
4749 | if (plane->funcs->set_property) |
4679 | ret = plane->funcs->set_property(plane, property, value); |
4750 | ret = plane->funcs->set_property(plane, property, value); |
4680 | if (!ret) |
4751 | if (!ret) |
4681 | drm_object_property_set_value(obj, property, value); |
4752 | drm_object_property_set_value(obj, property, value); |
4682 | 4753 | ||
4683 | return ret; |
4754 | return ret; |
4684 | } |
4755 | } |
4685 | EXPORT_SYMBOL(drm_mode_plane_set_obj_prop); |
4756 | EXPORT_SYMBOL(drm_mode_plane_set_obj_prop); |
4686 | 4757 | ||
4687 | #if 0 |
4758 | #if 0 |
4688 | /** |
4759 | /** |
4689 | * drm_mode_obj_get_properties_ioctl - get the current value of a object's property |
4760 | * drm_mode_obj_get_properties_ioctl - get the current value of a object's property |
4690 | * @dev: DRM device |
4761 | * @dev: DRM device |
4691 | * @data: ioctl data |
4762 | * @data: ioctl data |
4692 | * @file_priv: DRM file info |
4763 | * @file_priv: DRM file info |
4693 | * |
4764 | * |
4694 | * This function retrieves the current value for an object's property. Compared |
4765 | * This function retrieves the current value for an object's property. Compared |
4695 | * to the connector specific ioctl this one is extended to also work on crtc and |
4766 | * to the connector specific ioctl this one is extended to also work on crtc and |
4696 | * plane objects. |
4767 | * plane objects. |
4697 | * |
4768 | * |
4698 | * Called by the user via ioctl. |
4769 | * Called by the user via ioctl. |
4699 | * |
4770 | * |
4700 | * Returns: |
4771 | * Returns: |
4701 | * Zero on success, negative errno on failure. |
4772 | * Zero on success, negative errno on failure. |
4702 | */ |
4773 | */ |
4703 | int drm_mode_obj_get_properties_ioctl(struct drm_device *dev, void *data, |
4774 | int drm_mode_obj_get_properties_ioctl(struct drm_device *dev, void *data, |
4704 | struct drm_file *file_priv) |
4775 | struct drm_file *file_priv) |
4705 | { |
4776 | { |
4706 | struct drm_mode_obj_get_properties *arg = data; |
4777 | struct drm_mode_obj_get_properties *arg = data; |
4707 | struct drm_mode_object *obj; |
4778 | struct drm_mode_object *obj; |
4708 | int ret = 0; |
4779 | int ret = 0; |
4709 | 4780 | ||
4710 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
4781 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
4711 | return -EINVAL; |
4782 | return -EINVAL; |
4712 | 4783 | ||
4713 | drm_modeset_lock_all(dev); |
4784 | drm_modeset_lock_all(dev); |
4714 | 4785 | ||
4715 | obj = drm_mode_object_find(dev, arg->obj_id, arg->obj_type); |
4786 | obj = drm_mode_object_find(dev, arg->obj_id, arg->obj_type); |
4716 | if (!obj) { |
4787 | if (!obj) { |
4717 | ret = -ENOENT; |
4788 | ret = -ENOENT; |
4718 | goto out; |
4789 | goto out; |
4719 | } |
4790 | } |
4720 | if (!obj->properties) { |
4791 | if (!obj->properties) { |
4721 | ret = -EINVAL; |
4792 | ret = -EINVAL; |
4722 | goto out; |
4793 | goto out; |
4723 | } |
4794 | } |
4724 | 4795 | ||
4725 | ret = get_properties(obj, file_priv->atomic, |
4796 | ret = get_properties(obj, file_priv->atomic, |
4726 | (uint32_t __user *)(unsigned long)(arg->props_ptr), |
4797 | (uint32_t __user *)(unsigned long)(arg->props_ptr), |
4727 | (uint64_t __user *)(unsigned long)(arg->prop_values_ptr), |
4798 | (uint64_t __user *)(unsigned long)(arg->prop_values_ptr), |
4728 | &arg->count_props); |
4799 | &arg->count_props); |
4729 | 4800 | ||
4730 | out: |
4801 | out: |
4731 | drm_modeset_unlock_all(dev); |
4802 | drm_modeset_unlock_all(dev); |
4732 | return ret; |
4803 | return ret; |
4733 | } |
4804 | } |
4734 | 4805 | ||
4735 | /** |
4806 | /** |
4736 | * drm_mode_obj_set_property_ioctl - set the current value of an object's property |
4807 | * drm_mode_obj_set_property_ioctl - set the current value of an object's property |
4737 | * @dev: DRM device |
4808 | * @dev: DRM device |
4738 | * @data: ioctl data |
4809 | * @data: ioctl data |
4739 | * @file_priv: DRM file info |
4810 | * @file_priv: DRM file info |
4740 | * |
4811 | * |
4741 | * This function sets the current value for an object's property. It also calls |
4812 | * This function sets the current value for an object's property. It also calls |
4742 | * into a driver's ->set_property callback to update the hardware state. |
4813 | * into a driver's ->set_property callback to update the hardware state. |
4743 | * Compared to the connector specific ioctl this one is extended to also work on |
4814 | * Compared to the connector specific ioctl this one is extended to also work on |
4744 | * crtc and plane objects. |
4815 | * crtc and plane objects. |
4745 | * |
4816 | * |
4746 | * Called by the user via ioctl. |
4817 | * Called by the user via ioctl. |
4747 | * |
4818 | * |
4748 | * Returns: |
4819 | * Returns: |
4749 | * Zero on success, negative errno on failure. |
4820 | * Zero on success, negative errno on failure. |
4750 | */ |
4821 | */ |
4751 | int drm_mode_obj_set_property_ioctl(struct drm_device *dev, void *data, |
4822 | int drm_mode_obj_set_property_ioctl(struct drm_device *dev, void *data, |
4752 | struct drm_file *file_priv) |
4823 | struct drm_file *file_priv) |
4753 | { |
4824 | { |
4754 | struct drm_mode_obj_set_property *arg = data; |
4825 | struct drm_mode_obj_set_property *arg = data; |
4755 | struct drm_mode_object *arg_obj; |
4826 | struct drm_mode_object *arg_obj; |
4756 | struct drm_mode_object *prop_obj; |
4827 | struct drm_mode_object *prop_obj; |
4757 | struct drm_property *property; |
4828 | struct drm_property *property; |
4758 | int i, ret = -EINVAL; |
4829 | int i, ret = -EINVAL; |
4759 | struct drm_mode_object *ref; |
4830 | struct drm_mode_object *ref; |
4760 | 4831 | ||
4761 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
4832 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
4762 | return -EINVAL; |
4833 | return -EINVAL; |
4763 | 4834 | ||
4764 | drm_modeset_lock_all(dev); |
4835 | drm_modeset_lock_all(dev); |
4765 | 4836 | ||
4766 | arg_obj = drm_mode_object_find(dev, arg->obj_id, arg->obj_type); |
4837 | arg_obj = drm_mode_object_find(dev, arg->obj_id, arg->obj_type); |
4767 | if (!arg_obj) { |
4838 | if (!arg_obj) { |
4768 | ret = -ENOENT; |
4839 | ret = -ENOENT; |
4769 | goto out; |
4840 | goto out; |
4770 | } |
4841 | } |
4771 | if (!arg_obj->properties) |
4842 | if (!arg_obj->properties) |
4772 | goto out; |
4843 | goto out; |
4773 | 4844 | ||
4774 | for (i = 0; i < arg_obj->properties->count; i++) |
4845 | for (i = 0; i < arg_obj->properties->count; i++) |
4775 | if (arg_obj->properties->properties[i]->base.id == arg->prop_id) |
4846 | if (arg_obj->properties->properties[i]->base.id == arg->prop_id) |
4776 | break; |
4847 | break; |
4777 | 4848 | ||
4778 | if (i == arg_obj->properties->count) |
4849 | if (i == arg_obj->properties->count) |
4779 | goto out; |
4850 | goto out; |
4780 | 4851 | ||
4781 | prop_obj = drm_mode_object_find(dev, arg->prop_id, |
4852 | prop_obj = drm_mode_object_find(dev, arg->prop_id, |
4782 | DRM_MODE_OBJECT_PROPERTY); |
4853 | DRM_MODE_OBJECT_PROPERTY); |
4783 | if (!prop_obj) { |
4854 | if (!prop_obj) { |
4784 | ret = -ENOENT; |
4855 | ret = -ENOENT; |
4785 | goto out; |
4856 | goto out; |
4786 | } |
4857 | } |
4787 | property = obj_to_property(prop_obj); |
4858 | property = obj_to_property(prop_obj); |
4788 | 4859 | ||
4789 | if (!drm_property_change_valid_get(property, arg->value, &ref)) |
4860 | if (!drm_property_change_valid_get(property, arg->value, &ref)) |
4790 | goto out; |
4861 | goto out; |
4791 | 4862 | ||
4792 | switch (arg_obj->type) { |
4863 | switch (arg_obj->type) { |
4793 | case DRM_MODE_OBJECT_CONNECTOR: |
4864 | case DRM_MODE_OBJECT_CONNECTOR: |
4794 | ret = drm_mode_connector_set_obj_prop(arg_obj, property, |
4865 | ret = drm_mode_connector_set_obj_prop(arg_obj, property, |
4795 | arg->value); |
4866 | arg->value); |
4796 | break; |
4867 | break; |
4797 | case DRM_MODE_OBJECT_CRTC: |
4868 | case DRM_MODE_OBJECT_CRTC: |
4798 | ret = drm_mode_crtc_set_obj_prop(arg_obj, property, arg->value); |
4869 | ret = drm_mode_crtc_set_obj_prop(arg_obj, property, arg->value); |
4799 | break; |
4870 | break; |
4800 | case DRM_MODE_OBJECT_PLANE: |
4871 | case DRM_MODE_OBJECT_PLANE: |
4801 | ret = drm_mode_plane_set_obj_prop(obj_to_plane(arg_obj), |
4872 | ret = drm_mode_plane_set_obj_prop(obj_to_plane(arg_obj), |
4802 | property, arg->value); |
4873 | property, arg->value); |
4803 | break; |
4874 | break; |
4804 | } |
4875 | } |
4805 | 4876 | ||
4806 | drm_property_change_valid_put(property, ref); |
4877 | drm_property_change_valid_put(property, ref); |
4807 | 4878 | ||
4808 | out: |
4879 | out: |
4809 | drm_modeset_unlock_all(dev); |
4880 | drm_modeset_unlock_all(dev); |
4810 | return ret; |
4881 | return ret; |
4811 | } |
4882 | } |
4812 | #endif |
4883 | #endif |
4813 | 4884 | ||
4814 | /** |
4885 | /** |
4815 | * drm_mode_connector_attach_encoder - attach a connector to an encoder |
4886 | * drm_mode_connector_attach_encoder - attach a connector to an encoder |
4816 | * @connector: connector to attach |
4887 | * @connector: connector to attach |
4817 | * @encoder: encoder to attach @connector to |
4888 | * @encoder: encoder to attach @connector to |
4818 | * |
4889 | * |
4819 | * This function links up a connector to an encoder. Note that the routing |
4890 | * This function links up a connector to an encoder. Note that the routing |
4820 | * restrictions between encoders and crtcs are exposed to userspace through the |
4891 | * restrictions between encoders and crtcs are exposed to userspace through the |
4821 | * possible_clones and possible_crtcs bitmasks. |
4892 | * possible_clones and possible_crtcs bitmasks. |
4822 | * |
4893 | * |
4823 | * Returns: |
4894 | * Returns: |
4824 | * Zero on success, negative errno on failure. |
4895 | * Zero on success, negative errno on failure. |
4825 | */ |
4896 | */ |
4826 | int drm_mode_connector_attach_encoder(struct drm_connector *connector, |
4897 | int drm_mode_connector_attach_encoder(struct drm_connector *connector, |
4827 | struct drm_encoder *encoder) |
4898 | struct drm_encoder *encoder) |
4828 | { |
4899 | { |
4829 | int i; |
4900 | int i; |
4830 | 4901 | ||
4831 | /* |
4902 | /* |
4832 | * In the past, drivers have attempted to model the static association |
4903 | * In the past, drivers have attempted to model the static association |
4833 | * of connector to encoder in simple connector/encoder devices using a |
4904 | * of connector to encoder in simple connector/encoder devices using a |
4834 | * direct assignment of connector->encoder = encoder. This connection |
4905 | * direct assignment of connector->encoder = encoder. This connection |
4835 | * is a logical one and the responsibility of the core, so drivers are |
4906 | * is a logical one and the responsibility of the core, so drivers are |
4836 | * expected not to mess with this. |
4907 | * expected not to mess with this. |
4837 | * |
4908 | * |
4838 | * Note that the error return should've been enough here, but a large |
4909 | * Note that the error return should've been enough here, but a large |
4839 | * majority of drivers ignores the return value, so add in a big WARN |
4910 | * majority of drivers ignores the return value, so add in a big WARN |
4840 | * to get people's attention. |
4911 | * to get people's attention. |
4841 | */ |
4912 | */ |
4842 | if (WARN_ON(connector->encoder)) |
4913 | if (WARN_ON(connector->encoder)) |
4843 | return -EINVAL; |
4914 | return -EINVAL; |
4844 | 4915 | ||
4845 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { |
4916 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { |
4846 | if (connector->encoder_ids[i] == 0) { |
4917 | if (connector->encoder_ids[i] == 0) { |
4847 | connector->encoder_ids[i] = encoder->base.id; |
4918 | connector->encoder_ids[i] = encoder->base.id; |
4848 | return 0; |
4919 | return 0; |
4849 | } |
4920 | } |
4850 | } |
4921 | } |
4851 | return -ENOMEM; |
4922 | return -ENOMEM; |
4852 | } |
4923 | } |
4853 | EXPORT_SYMBOL(drm_mode_connector_attach_encoder); |
4924 | EXPORT_SYMBOL(drm_mode_connector_attach_encoder); |
4854 | 4925 | ||
4855 | /** |
4926 | /** |
4856 | * drm_mode_crtc_set_gamma_size - set the gamma table size |
4927 | * drm_mode_crtc_set_gamma_size - set the gamma table size |
4857 | * @crtc: CRTC to set the gamma table size for |
4928 | * @crtc: CRTC to set the gamma table size for |
4858 | * @gamma_size: size of the gamma table |
4929 | * @gamma_size: size of the gamma table |
4859 | * |
4930 | * |
4860 | * Drivers which support gamma tables should set this to the supported gamma |
4931 | * Drivers which support gamma tables should set this to the supported gamma |
4861 | * table size when initializing the CRTC. Currently the drm core only supports a |
4932 | * table size when initializing the CRTC. Currently the drm core only supports a |
4862 | * fixed gamma table size. |
4933 | * fixed gamma table size. |
4863 | * |
4934 | * |
4864 | * Returns: |
4935 | * Returns: |
4865 | * Zero on success, negative errno on failure. |
4936 | * Zero on success, negative errno on failure. |
4866 | */ |
4937 | */ |
4867 | int drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc, |
4938 | int drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc, |
4868 | int gamma_size) |
4939 | int gamma_size) |
4869 | { |
4940 | { |
4870 | crtc->gamma_size = gamma_size; |
4941 | crtc->gamma_size = gamma_size; |
4871 | 4942 | ||
4872 | crtc->gamma_store = kcalloc(gamma_size, sizeof(uint16_t) * 3, |
4943 | crtc->gamma_store = kcalloc(gamma_size, sizeof(uint16_t) * 3, |
4873 | GFP_KERNEL); |
4944 | GFP_KERNEL); |
4874 | if (!crtc->gamma_store) { |
4945 | if (!crtc->gamma_store) { |
4875 | crtc->gamma_size = 0; |
4946 | crtc->gamma_size = 0; |
4876 | return -ENOMEM; |
4947 | return -ENOMEM; |
4877 | } |
4948 | } |
4878 | 4949 | ||
4879 | return 0; |
4950 | return 0; |
4880 | } |
4951 | } |
4881 | EXPORT_SYMBOL(drm_mode_crtc_set_gamma_size); |
4952 | EXPORT_SYMBOL(drm_mode_crtc_set_gamma_size); |
4882 | 4953 | ||
4883 | #if 0 |
4954 | #if 0 |
4884 | /** |
4955 | /** |
4885 | * drm_mode_gamma_set_ioctl - set the gamma table |
4956 | * drm_mode_gamma_set_ioctl - set the gamma table |
4886 | * @dev: DRM device |
4957 | * @dev: DRM device |
4887 | * @data: ioctl data |
4958 | * @data: ioctl data |
4888 | * @file_priv: DRM file info |
4959 | * @file_priv: DRM file info |
4889 | * |
4960 | * |
4890 | * Set the gamma table of a CRTC to the one passed in by the user. Userspace can |
4961 | * Set the gamma table of a CRTC to the one passed in by the user. Userspace can |
4891 | * inquire the required gamma table size through drm_mode_gamma_get_ioctl. |
4962 | * inquire the required gamma table size through drm_mode_gamma_get_ioctl. |
4892 | * |
4963 | * |
4893 | * Called by the user via ioctl. |
4964 | * Called by the user via ioctl. |
4894 | * |
4965 | * |
4895 | * Returns: |
4966 | * Returns: |
4896 | * Zero on success, negative errno on failure. |
4967 | * Zero on success, negative errno on failure. |
4897 | */ |
4968 | */ |
4898 | int drm_mode_gamma_set_ioctl(struct drm_device *dev, |
4969 | int drm_mode_gamma_set_ioctl(struct drm_device *dev, |
4899 | void *data, struct drm_file *file_priv) |
4970 | void *data, struct drm_file *file_priv) |
4900 | { |
4971 | { |
4901 | struct drm_mode_crtc_lut *crtc_lut = data; |
4972 | struct drm_mode_crtc_lut *crtc_lut = data; |
4902 | struct drm_crtc *crtc; |
4973 | struct drm_crtc *crtc; |
4903 | void *r_base, *g_base, *b_base; |
4974 | void *r_base, *g_base, *b_base; |
4904 | int size; |
4975 | int size; |
4905 | int ret = 0; |
4976 | int ret = 0; |
4906 | 4977 | ||
4907 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
4978 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
4908 | return -EINVAL; |
4979 | return -EINVAL; |
4909 | 4980 | ||
4910 | drm_modeset_lock_all(dev); |
4981 | drm_modeset_lock_all(dev); |
4911 | crtc = drm_crtc_find(dev, crtc_lut->crtc_id); |
4982 | crtc = drm_crtc_find(dev, crtc_lut->crtc_id); |
4912 | if (!crtc) { |
4983 | if (!crtc) { |
4913 | ret = -ENOENT; |
4984 | ret = -ENOENT; |
4914 | goto out; |
4985 | goto out; |
4915 | } |
4986 | } |
4916 | 4987 | ||
4917 | if (crtc->funcs->gamma_set == NULL) { |
4988 | if (crtc->funcs->gamma_set == NULL) { |
4918 | ret = -ENOSYS; |
4989 | ret = -ENOSYS; |
4919 | goto out; |
4990 | goto out; |
4920 | } |
4991 | } |
4921 | 4992 | ||
4922 | /* memcpy into gamma store */ |
4993 | /* memcpy into gamma store */ |
4923 | if (crtc_lut->gamma_size != crtc->gamma_size) { |
4994 | if (crtc_lut->gamma_size != crtc->gamma_size) { |
4924 | ret = -EINVAL; |
4995 | ret = -EINVAL; |
4925 | goto out; |
4996 | goto out; |
4926 | } |
4997 | } |
4927 | 4998 | ||
4928 | size = crtc_lut->gamma_size * (sizeof(uint16_t)); |
4999 | size = crtc_lut->gamma_size * (sizeof(uint16_t)); |
4929 | r_base = crtc->gamma_store; |
5000 | r_base = crtc->gamma_store; |
4930 | if (copy_from_user(r_base, (void __user *)(unsigned long)crtc_lut->red, size)) { |
5001 | if (copy_from_user(r_base, (void __user *)(unsigned long)crtc_lut->red, size)) { |
4931 | ret = -EFAULT; |
5002 | ret = -EFAULT; |
4932 | goto out; |
5003 | goto out; |
4933 | } |
5004 | } |
4934 | 5005 | ||
4935 | g_base = r_base + size; |
5006 | g_base = r_base + size; |
4936 | if (copy_from_user(g_base, (void __user *)(unsigned long)crtc_lut->green, size)) { |
5007 | if (copy_from_user(g_base, (void __user *)(unsigned long)crtc_lut->green, size)) { |
4937 | ret = -EFAULT; |
5008 | ret = -EFAULT; |
4938 | goto out; |
5009 | goto out; |
4939 | } |
5010 | } |
4940 | 5011 | ||
4941 | b_base = g_base + size; |
5012 | b_base = g_base + size; |
4942 | if (copy_from_user(b_base, (void __user *)(unsigned long)crtc_lut->blue, size)) { |
5013 | if (copy_from_user(b_base, (void __user *)(unsigned long)crtc_lut->blue, size)) { |
4943 | ret = -EFAULT; |
5014 | ret = -EFAULT; |
4944 | goto out; |
5015 | goto out; |
4945 | } |
5016 | } |
4946 | 5017 | ||
4947 | crtc->funcs->gamma_set(crtc, r_base, g_base, b_base, 0, crtc->gamma_size); |
5018 | crtc->funcs->gamma_set(crtc, r_base, g_base, b_base, 0, crtc->gamma_size); |
4948 | 5019 | ||
4949 | out: |
5020 | out: |
4950 | drm_modeset_unlock_all(dev); |
5021 | drm_modeset_unlock_all(dev); |
4951 | return ret; |
5022 | return ret; |
4952 | 5023 | ||
4953 | } |
5024 | } |
4954 | 5025 | ||
4955 | /** |
5026 | /** |
4956 | * drm_mode_gamma_get_ioctl - get the gamma table |
5027 | * drm_mode_gamma_get_ioctl - get the gamma table |
4957 | * @dev: DRM device |
5028 | * @dev: DRM device |
4958 | * @data: ioctl data |
5029 | * @data: ioctl data |
4959 | * @file_priv: DRM file info |
5030 | * @file_priv: DRM file info |
4960 | * |
5031 | * |
4961 | * Copy the current gamma table into the storage provided. This also provides |
5032 | * Copy the current gamma table into the storage provided. This also provides |
4962 | * the gamma table size the driver expects, which can be used to size the |
5033 | * the gamma table size the driver expects, which can be used to size the |
4963 | * allocated storage. |
5034 | * allocated storage. |
4964 | * |
5035 | * |
4965 | * Called by the user via ioctl. |
5036 | * Called by the user via ioctl. |
4966 | * |
5037 | * |
4967 | * Returns: |
5038 | * Returns: |
4968 | * Zero on success, negative errno on failure. |
5039 | * Zero on success, negative errno on failure. |
4969 | */ |
5040 | */ |
4970 | int drm_mode_gamma_get_ioctl(struct drm_device *dev, |
5041 | int drm_mode_gamma_get_ioctl(struct drm_device *dev, |
4971 | void *data, struct drm_file *file_priv) |
5042 | void *data, struct drm_file *file_priv) |
4972 | { |
5043 | { |
4973 | struct drm_mode_crtc_lut *crtc_lut = data; |
5044 | struct drm_mode_crtc_lut *crtc_lut = data; |
4974 | struct drm_crtc *crtc; |
5045 | struct drm_crtc *crtc; |
4975 | void *r_base, *g_base, *b_base; |
5046 | void *r_base, *g_base, *b_base; |
4976 | int size; |
5047 | int size; |
4977 | int ret = 0; |
5048 | int ret = 0; |
4978 | 5049 | ||
4979 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
5050 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
4980 | return -EINVAL; |
5051 | return -EINVAL; |
4981 | 5052 | ||
4982 | drm_modeset_lock_all(dev); |
5053 | drm_modeset_lock_all(dev); |
4983 | crtc = drm_crtc_find(dev, crtc_lut->crtc_id); |
5054 | crtc = drm_crtc_find(dev, crtc_lut->crtc_id); |
4984 | if (!crtc) { |
5055 | if (!crtc) { |
4985 | ret = -ENOENT; |
5056 | ret = -ENOENT; |
4986 | goto out; |
5057 | goto out; |
4987 | } |
5058 | } |
4988 | 5059 | ||
4989 | /* memcpy into gamma store */ |
5060 | /* memcpy into gamma store */ |
4990 | if (crtc_lut->gamma_size != crtc->gamma_size) { |
5061 | if (crtc_lut->gamma_size != crtc->gamma_size) { |
4991 | ret = -EINVAL; |
5062 | ret = -EINVAL; |
4992 | goto out; |
5063 | goto out; |
4993 | } |
5064 | } |
4994 | 5065 | ||
4995 | size = crtc_lut->gamma_size * (sizeof(uint16_t)); |
5066 | size = crtc_lut->gamma_size * (sizeof(uint16_t)); |
4996 | r_base = crtc->gamma_store; |
5067 | r_base = crtc->gamma_store; |
4997 | if (copy_to_user((void __user *)(unsigned long)crtc_lut->red, r_base, size)) { |
5068 | if (copy_to_user((void __user *)(unsigned long)crtc_lut->red, r_base, size)) { |
4998 | ret = -EFAULT; |
5069 | ret = -EFAULT; |
4999 | goto out; |
5070 | goto out; |
5000 | } |
5071 | } |
5001 | 5072 | ||
5002 | g_base = r_base + size; |
5073 | g_base = r_base + size; |
5003 | if (copy_to_user((void __user *)(unsigned long)crtc_lut->green, g_base, size)) { |
5074 | if (copy_to_user((void __user *)(unsigned long)crtc_lut->green, g_base, size)) { |
5004 | ret = -EFAULT; |
5075 | ret = -EFAULT; |
5005 | goto out; |
5076 | goto out; |
5006 | } |
5077 | } |
5007 | 5078 | ||
5008 | b_base = g_base + size; |
5079 | b_base = g_base + size; |
5009 | if (copy_to_user((void __user *)(unsigned long)crtc_lut->blue, b_base, size)) { |
5080 | if (copy_to_user((void __user *)(unsigned long)crtc_lut->blue, b_base, size)) { |
5010 | ret = -EFAULT; |
5081 | ret = -EFAULT; |
5011 | goto out; |
5082 | goto out; |
5012 | } |
5083 | } |
5013 | out: |
5084 | out: |
5014 | drm_modeset_unlock_all(dev); |
5085 | drm_modeset_unlock_all(dev); |
5015 | return ret; |
5086 | return ret; |
5016 | } |
5087 | } |
5017 | 5088 | ||
5018 | #endif |
5089 | #endif |
5019 | 5090 | ||
5020 | 5091 | ||
5021 | /** |
5092 | /** |
5022 | * drm_mode_config_reset - call ->reset callbacks |
5093 | * drm_mode_config_reset - call ->reset callbacks |
5023 | * @dev: drm device |
5094 | * @dev: drm device |
5024 | * |
5095 | * |
5025 | * This functions calls all the crtc's, encoder's and connector's ->reset |
5096 | * This functions calls all the crtc's, encoder's and connector's ->reset |
5026 | * callback. Drivers can use this in e.g. their driver load or resume code to |
5097 | * callback. Drivers can use this in e.g. their driver load or resume code to |
5027 | * reset hardware and software state. |
5098 | * reset hardware and software state. |
5028 | */ |
5099 | */ |
5029 | void drm_mode_config_reset(struct drm_device *dev) |
5100 | void drm_mode_config_reset(struct drm_device *dev) |
5030 | { |
5101 | { |
5031 | struct drm_crtc *crtc; |
5102 | struct drm_crtc *crtc; |
5032 | struct drm_plane *plane; |
5103 | struct drm_plane *plane; |
5033 | struct drm_encoder *encoder; |
5104 | struct drm_encoder *encoder; |
5034 | struct drm_connector *connector; |
5105 | struct drm_connector *connector; |
5035 | 5106 | ||
5036 | drm_for_each_plane(plane, dev) |
5107 | drm_for_each_plane(plane, dev) |
5037 | if (plane->funcs->reset) |
5108 | if (plane->funcs->reset) |
5038 | plane->funcs->reset(plane); |
5109 | plane->funcs->reset(plane); |
5039 | 5110 | ||
5040 | drm_for_each_crtc(crtc, dev) |
5111 | drm_for_each_crtc(crtc, dev) |
5041 | if (crtc->funcs->reset) |
5112 | if (crtc->funcs->reset) |
5042 | crtc->funcs->reset(crtc); |
5113 | crtc->funcs->reset(crtc); |
5043 | 5114 | ||
5044 | drm_for_each_encoder(encoder, dev) |
5115 | drm_for_each_encoder(encoder, dev) |
5045 | if (encoder->funcs->reset) |
5116 | if (encoder->funcs->reset) |
5046 | encoder->funcs->reset(encoder); |
5117 | encoder->funcs->reset(encoder); |
5047 | 5118 | ||
5048 | mutex_lock(&dev->mode_config.mutex); |
5119 | mutex_lock(&dev->mode_config.mutex); |
5049 | drm_for_each_connector(connector, dev) |
5120 | drm_for_each_connector(connector, dev) |
5050 | if (connector->funcs->reset) |
5121 | if (connector->funcs->reset) |
5051 | connector->funcs->reset(connector); |
5122 | connector->funcs->reset(connector); |
5052 | mutex_unlock(&dev->mode_config.mutex); |
5123 | mutex_unlock(&dev->mode_config.mutex); |
5053 | } |
5124 | } |
5054 | EXPORT_SYMBOL(drm_mode_config_reset); |
5125 | EXPORT_SYMBOL(drm_mode_config_reset); |
5055 | /* |
5126 | /* |
5056 | * Just need to support RGB formats here for compat with code that doesn't |
5127 | * Just need to support RGB formats here for compat with code that doesn't |
5057 | * use pixel formats directly yet. |
5128 | * use pixel formats directly yet. |
5058 | */ |
5129 | */ |
5059 | void drm_fb_get_bpp_depth(uint32_t format, unsigned int *depth, |
5130 | void drm_fb_get_bpp_depth(uint32_t format, unsigned int *depth, |
5060 | int *bpp) |
5131 | int *bpp) |
5061 | { |
5132 | { |
5062 | switch (format) { |
5133 | switch (format) { |
5063 | case DRM_FORMAT_C8: |
5134 | case DRM_FORMAT_C8: |
5064 | case DRM_FORMAT_RGB332: |
5135 | case DRM_FORMAT_RGB332: |
5065 | case DRM_FORMAT_BGR233: |
5136 | case DRM_FORMAT_BGR233: |
5066 | *depth = 8; |
5137 | *depth = 8; |
5067 | *bpp = 8; |
5138 | *bpp = 8; |
5068 | break; |
5139 | break; |
5069 | case DRM_FORMAT_XRGB1555: |
5140 | case DRM_FORMAT_XRGB1555: |
5070 | case DRM_FORMAT_XBGR1555: |
5141 | case DRM_FORMAT_XBGR1555: |
5071 | case DRM_FORMAT_RGBX5551: |
5142 | case DRM_FORMAT_RGBX5551: |
5072 | case DRM_FORMAT_BGRX5551: |
5143 | case DRM_FORMAT_BGRX5551: |
5073 | case DRM_FORMAT_ARGB1555: |
5144 | case DRM_FORMAT_ARGB1555: |
5074 | case DRM_FORMAT_ABGR1555: |
5145 | case DRM_FORMAT_ABGR1555: |
5075 | case DRM_FORMAT_RGBA5551: |
5146 | case DRM_FORMAT_RGBA5551: |
5076 | case DRM_FORMAT_BGRA5551: |
5147 | case DRM_FORMAT_BGRA5551: |
5077 | *depth = 15; |
5148 | *depth = 15; |
5078 | *bpp = 16; |
5149 | *bpp = 16; |
5079 | break; |
5150 | break; |
5080 | case DRM_FORMAT_RGB565: |
5151 | case DRM_FORMAT_RGB565: |
5081 | case DRM_FORMAT_BGR565: |
5152 | case DRM_FORMAT_BGR565: |
5082 | *depth = 16; |
5153 | *depth = 16; |
5083 | *bpp = 16; |
5154 | *bpp = 16; |
5084 | break; |
5155 | break; |
5085 | case DRM_FORMAT_RGB888: |
5156 | case DRM_FORMAT_RGB888: |
5086 | case DRM_FORMAT_BGR888: |
5157 | case DRM_FORMAT_BGR888: |
5087 | *depth = 24; |
5158 | *depth = 24; |
5088 | *bpp = 24; |
5159 | *bpp = 24; |
5089 | break; |
5160 | break; |
5090 | case DRM_FORMAT_XRGB8888: |
5161 | case DRM_FORMAT_XRGB8888: |
5091 | case DRM_FORMAT_XBGR8888: |
5162 | case DRM_FORMAT_XBGR8888: |
5092 | case DRM_FORMAT_RGBX8888: |
5163 | case DRM_FORMAT_RGBX8888: |
5093 | case DRM_FORMAT_BGRX8888: |
5164 | case DRM_FORMAT_BGRX8888: |
5094 | *depth = 24; |
5165 | *depth = 24; |
5095 | *bpp = 32; |
5166 | *bpp = 32; |
5096 | break; |
5167 | break; |
5097 | case DRM_FORMAT_XRGB2101010: |
5168 | case DRM_FORMAT_XRGB2101010: |
5098 | case DRM_FORMAT_XBGR2101010: |
5169 | case DRM_FORMAT_XBGR2101010: |
5099 | case DRM_FORMAT_RGBX1010102: |
5170 | case DRM_FORMAT_RGBX1010102: |
5100 | case DRM_FORMAT_BGRX1010102: |
5171 | case DRM_FORMAT_BGRX1010102: |
5101 | case DRM_FORMAT_ARGB2101010: |
5172 | case DRM_FORMAT_ARGB2101010: |
5102 | case DRM_FORMAT_ABGR2101010: |
5173 | case DRM_FORMAT_ABGR2101010: |
5103 | case DRM_FORMAT_RGBA1010102: |
5174 | case DRM_FORMAT_RGBA1010102: |
5104 | case DRM_FORMAT_BGRA1010102: |
5175 | case DRM_FORMAT_BGRA1010102: |
5105 | *depth = 30; |
5176 | *depth = 30; |
5106 | *bpp = 32; |
5177 | *bpp = 32; |
5107 | break; |
5178 | break; |
5108 | case DRM_FORMAT_ARGB8888: |
5179 | case DRM_FORMAT_ARGB8888: |
5109 | case DRM_FORMAT_ABGR8888: |
5180 | case DRM_FORMAT_ABGR8888: |
5110 | case DRM_FORMAT_RGBA8888: |
5181 | case DRM_FORMAT_RGBA8888: |
5111 | case DRM_FORMAT_BGRA8888: |
5182 | case DRM_FORMAT_BGRA8888: |
5112 | *depth = 32; |
5183 | *depth = 32; |
5113 | *bpp = 32; |
5184 | *bpp = 32; |
5114 | break; |
5185 | break; |
5115 | default: |
5186 | default: |
5116 | DRM_DEBUG_KMS("unsupported pixel format %s\n", |
5187 | DRM_DEBUG_KMS("unsupported pixel format %s\n", |
5117 | drm_get_format_name(format)); |
5188 | drm_get_format_name(format)); |
5118 | *depth = 0; |
5189 | *depth = 0; |
5119 | *bpp = 0; |
5190 | *bpp = 0; |
5120 | break; |
5191 | break; |
5121 | } |
5192 | } |
5122 | } |
5193 | } |
5123 | EXPORT_SYMBOL(drm_fb_get_bpp_depth); |
5194 | EXPORT_SYMBOL(drm_fb_get_bpp_depth); |
5124 | 5195 | ||
5125 | /** |
5196 | /** |
5126 | * drm_format_num_planes - get the number of planes for format |
5197 | * drm_format_num_planes - get the number of planes for format |
5127 | * @format: pixel format (DRM_FORMAT_*) |
5198 | * @format: pixel format (DRM_FORMAT_*) |
5128 | * |
5199 | * |
5129 | * Returns: |
5200 | * Returns: |
5130 | * The number of planes used by the specified pixel format. |
5201 | * The number of planes used by the specified pixel format. |
5131 | */ |
5202 | */ |
5132 | int drm_format_num_planes(uint32_t format) |
5203 | int drm_format_num_planes(uint32_t format) |
5133 | { |
5204 | { |
5134 | switch (format) { |
5205 | switch (format) { |
5135 | case DRM_FORMAT_YUV410: |
5206 | case DRM_FORMAT_YUV410: |
5136 | case DRM_FORMAT_YVU410: |
5207 | case DRM_FORMAT_YVU410: |
5137 | case DRM_FORMAT_YUV411: |
5208 | case DRM_FORMAT_YUV411: |
5138 | case DRM_FORMAT_YVU411: |
5209 | case DRM_FORMAT_YVU411: |
5139 | case DRM_FORMAT_YUV420: |
5210 | case DRM_FORMAT_YUV420: |
5140 | case DRM_FORMAT_YVU420: |
5211 | case DRM_FORMAT_YVU420: |
5141 | case DRM_FORMAT_YUV422: |
5212 | case DRM_FORMAT_YUV422: |
5142 | case DRM_FORMAT_YVU422: |
5213 | case DRM_FORMAT_YVU422: |
5143 | case DRM_FORMAT_YUV444: |
5214 | case DRM_FORMAT_YUV444: |
5144 | case DRM_FORMAT_YVU444: |
5215 | case DRM_FORMAT_YVU444: |
5145 | return 3; |
5216 | return 3; |
5146 | case DRM_FORMAT_NV12: |
5217 | case DRM_FORMAT_NV12: |
5147 | case DRM_FORMAT_NV21: |
5218 | case DRM_FORMAT_NV21: |
5148 | case DRM_FORMAT_NV16: |
5219 | case DRM_FORMAT_NV16: |
5149 | case DRM_FORMAT_NV61: |
5220 | case DRM_FORMAT_NV61: |
5150 | case DRM_FORMAT_NV24: |
5221 | case DRM_FORMAT_NV24: |
5151 | case DRM_FORMAT_NV42: |
5222 | case DRM_FORMAT_NV42: |
5152 | return 2; |
5223 | return 2; |
5153 | default: |
5224 | default: |
5154 | return 1; |
5225 | return 1; |
5155 | } |
5226 | } |
5156 | } |
5227 | } |
5157 | EXPORT_SYMBOL(drm_format_num_planes); |
5228 | EXPORT_SYMBOL(drm_format_num_planes); |
5158 | 5229 | ||
5159 | /** |
5230 | /** |
5160 | * drm_format_plane_cpp - determine the bytes per pixel value |
5231 | * drm_format_plane_cpp - determine the bytes per pixel value |
5161 | * @format: pixel format (DRM_FORMAT_*) |
5232 | * @format: pixel format (DRM_FORMAT_*) |
5162 | * @plane: plane index |
5233 | * @plane: plane index |
5163 | * |
5234 | * |
5164 | * Returns: |
5235 | * Returns: |
5165 | * The bytes per pixel value for the specified plane. |
5236 | * The bytes per pixel value for the specified plane. |
5166 | */ |
5237 | */ |
5167 | int drm_format_plane_cpp(uint32_t format, int plane) |
5238 | int drm_format_plane_cpp(uint32_t format, int plane) |
5168 | { |
5239 | { |
5169 | unsigned int depth; |
5240 | unsigned int depth; |
5170 | int bpp; |
5241 | int bpp; |
5171 | 5242 | ||
5172 | if (plane >= drm_format_num_planes(format)) |
5243 | if (plane >= drm_format_num_planes(format)) |
5173 | return 0; |
5244 | return 0; |
5174 | 5245 | ||
5175 | switch (format) { |
5246 | switch (format) { |
5176 | case DRM_FORMAT_YUYV: |
5247 | case DRM_FORMAT_YUYV: |
5177 | case DRM_FORMAT_YVYU: |
5248 | case DRM_FORMAT_YVYU: |
5178 | case DRM_FORMAT_UYVY: |
5249 | case DRM_FORMAT_UYVY: |
5179 | case DRM_FORMAT_VYUY: |
5250 | case DRM_FORMAT_VYUY: |
5180 | return 2; |
5251 | return 2; |
5181 | case DRM_FORMAT_NV12: |
5252 | case DRM_FORMAT_NV12: |
5182 | case DRM_FORMAT_NV21: |
5253 | case DRM_FORMAT_NV21: |
5183 | case DRM_FORMAT_NV16: |
5254 | case DRM_FORMAT_NV16: |
5184 | case DRM_FORMAT_NV61: |
5255 | case DRM_FORMAT_NV61: |
5185 | case DRM_FORMAT_NV24: |
5256 | case DRM_FORMAT_NV24: |
5186 | case DRM_FORMAT_NV42: |
5257 | case DRM_FORMAT_NV42: |
5187 | return plane ? 2 : 1; |
5258 | return plane ? 2 : 1; |
5188 | case DRM_FORMAT_YUV410: |
5259 | case DRM_FORMAT_YUV410: |
5189 | case DRM_FORMAT_YVU410: |
5260 | case DRM_FORMAT_YVU410: |
5190 | case DRM_FORMAT_YUV411: |
5261 | case DRM_FORMAT_YUV411: |
5191 | case DRM_FORMAT_YVU411: |
5262 | case DRM_FORMAT_YVU411: |
5192 | case DRM_FORMAT_YUV420: |
5263 | case DRM_FORMAT_YUV420: |
5193 | case DRM_FORMAT_YVU420: |
5264 | case DRM_FORMAT_YVU420: |
5194 | case DRM_FORMAT_YUV422: |
5265 | case DRM_FORMAT_YUV422: |
5195 | case DRM_FORMAT_YVU422: |
5266 | case DRM_FORMAT_YVU422: |
5196 | case DRM_FORMAT_YUV444: |
5267 | case DRM_FORMAT_YUV444: |
5197 | case DRM_FORMAT_YVU444: |
5268 | case DRM_FORMAT_YVU444: |
5198 | return 1; |
5269 | return 1; |
5199 | default: |
5270 | default: |
5200 | drm_fb_get_bpp_depth(format, &depth, &bpp); |
5271 | drm_fb_get_bpp_depth(format, &depth, &bpp); |
5201 | return bpp >> 3; |
5272 | return bpp >> 3; |
5202 | } |
5273 | } |
5203 | } |
5274 | } |
5204 | EXPORT_SYMBOL(drm_format_plane_cpp); |
5275 | EXPORT_SYMBOL(drm_format_plane_cpp); |
5205 | 5276 | ||
5206 | /** |
5277 | /** |
5207 | * drm_format_horz_chroma_subsampling - get the horizontal chroma subsampling factor |
5278 | * drm_format_horz_chroma_subsampling - get the horizontal chroma subsampling factor |
5208 | * @format: pixel format (DRM_FORMAT_*) |
5279 | * @format: pixel format (DRM_FORMAT_*) |
5209 | * |
5280 | * |
5210 | * Returns: |
5281 | * Returns: |
5211 | * The horizontal chroma subsampling factor for the |
5282 | * The horizontal chroma subsampling factor for the |
5212 | * specified pixel format. |
5283 | * specified pixel format. |
5213 | */ |
5284 | */ |
5214 | int drm_format_horz_chroma_subsampling(uint32_t format) |
5285 | int drm_format_horz_chroma_subsampling(uint32_t format) |
5215 | { |
5286 | { |
5216 | switch (format) { |
5287 | switch (format) { |
5217 | case DRM_FORMAT_YUV411: |
5288 | case DRM_FORMAT_YUV411: |
5218 | case DRM_FORMAT_YVU411: |
5289 | case DRM_FORMAT_YVU411: |
5219 | case DRM_FORMAT_YUV410: |
5290 | case DRM_FORMAT_YUV410: |
5220 | case DRM_FORMAT_YVU410: |
5291 | case DRM_FORMAT_YVU410: |
5221 | return 4; |
5292 | return 4; |
5222 | case DRM_FORMAT_YUYV: |
5293 | case DRM_FORMAT_YUYV: |
5223 | case DRM_FORMAT_YVYU: |
5294 | case DRM_FORMAT_YVYU: |
5224 | case DRM_FORMAT_UYVY: |
5295 | case DRM_FORMAT_UYVY: |
5225 | case DRM_FORMAT_VYUY: |
5296 | case DRM_FORMAT_VYUY: |
5226 | case DRM_FORMAT_NV12: |
5297 | case DRM_FORMAT_NV12: |
5227 | case DRM_FORMAT_NV21: |
5298 | case DRM_FORMAT_NV21: |
5228 | case DRM_FORMAT_NV16: |
5299 | case DRM_FORMAT_NV16: |
5229 | case DRM_FORMAT_NV61: |
5300 | case DRM_FORMAT_NV61: |
5230 | case DRM_FORMAT_YUV422: |
5301 | case DRM_FORMAT_YUV422: |
5231 | case DRM_FORMAT_YVU422: |
5302 | case DRM_FORMAT_YVU422: |
5232 | case DRM_FORMAT_YUV420: |
5303 | case DRM_FORMAT_YUV420: |
5233 | case DRM_FORMAT_YVU420: |
5304 | case DRM_FORMAT_YVU420: |
5234 | return 2; |
5305 | return 2; |
5235 | default: |
5306 | default: |
5236 | return 1; |
5307 | return 1; |
5237 | } |
5308 | } |
5238 | } |
5309 | } |
5239 | EXPORT_SYMBOL(drm_format_horz_chroma_subsampling); |
5310 | EXPORT_SYMBOL(drm_format_horz_chroma_subsampling); |
5240 | 5311 | ||
5241 | /** |
5312 | /** |
5242 | * drm_format_vert_chroma_subsampling - get the vertical chroma subsampling factor |
5313 | * drm_format_vert_chroma_subsampling - get the vertical chroma subsampling factor |
5243 | * @format: pixel format (DRM_FORMAT_*) |
5314 | * @format: pixel format (DRM_FORMAT_*) |
5244 | * |
5315 | * |
5245 | * Returns: |
5316 | * Returns: |
5246 | * The vertical chroma subsampling factor for the |
5317 | * The vertical chroma subsampling factor for the |
5247 | * specified pixel format. |
5318 | * specified pixel format. |
5248 | */ |
5319 | */ |
5249 | int drm_format_vert_chroma_subsampling(uint32_t format) |
5320 | int drm_format_vert_chroma_subsampling(uint32_t format) |
5250 | { |
5321 | { |
5251 | switch (format) { |
5322 | switch (format) { |
5252 | case DRM_FORMAT_YUV410: |
5323 | case DRM_FORMAT_YUV410: |
5253 | case DRM_FORMAT_YVU410: |
5324 | case DRM_FORMAT_YVU410: |
5254 | return 4; |
5325 | return 4; |
5255 | case DRM_FORMAT_YUV420: |
5326 | case DRM_FORMAT_YUV420: |
5256 | case DRM_FORMAT_YVU420: |
5327 | case DRM_FORMAT_YVU420: |
5257 | case DRM_FORMAT_NV12: |
5328 | case DRM_FORMAT_NV12: |
5258 | case DRM_FORMAT_NV21: |
5329 | case DRM_FORMAT_NV21: |
5259 | return 2; |
5330 | return 2; |
5260 | default: |
5331 | default: |
5261 | return 1; |
5332 | return 1; |
5262 | } |
5333 | } |
5263 | } |
5334 | } |
5264 | EXPORT_SYMBOL(drm_format_vert_chroma_subsampling); |
5335 | EXPORT_SYMBOL(drm_format_vert_chroma_subsampling); |
5265 | 5336 | ||
5266 | /** |
5337 | /** |
5267 | * drm_rotation_simplify() - Try to simplify the rotation |
5338 | * drm_rotation_simplify() - Try to simplify the rotation |
5268 | * @rotation: Rotation to be simplified |
5339 | * @rotation: Rotation to be simplified |
5269 | * @supported_rotations: Supported rotations |
5340 | * @supported_rotations: Supported rotations |
5270 | * |
5341 | * |
5271 | * Attempt to simplify the rotation to a form that is supported. |
5342 | * Attempt to simplify the rotation to a form that is supported. |
5272 | * Eg. if the hardware supports everything except DRM_REFLECT_X |
5343 | * Eg. if the hardware supports everything except DRM_REFLECT_X |
5273 | * one could call this function like this: |
5344 | * one could call this function like this: |
5274 | * |
5345 | * |
5275 | * drm_rotation_simplify(rotation, BIT(DRM_ROTATE_0) | |
5346 | * drm_rotation_simplify(rotation, BIT(DRM_ROTATE_0) | |
5276 | * BIT(DRM_ROTATE_90) | BIT(DRM_ROTATE_180) | |
5347 | * BIT(DRM_ROTATE_90) | BIT(DRM_ROTATE_180) | |
5277 | * BIT(DRM_ROTATE_270) | BIT(DRM_REFLECT_Y)); |
5348 | * BIT(DRM_ROTATE_270) | BIT(DRM_REFLECT_Y)); |
5278 | * |
5349 | * |
5279 | * to eliminate the DRM_ROTATE_X flag. Depending on what kind of |
5350 | * to eliminate the DRM_ROTATE_X flag. Depending on what kind of |
5280 | * transforms the hardware supports, this function may not |
5351 | * transforms the hardware supports, this function may not |
5281 | * be able to produce a supported transform, so the caller should |
5352 | * be able to produce a supported transform, so the caller should |
5282 | * check the result afterwards. |
5353 | * check the result afterwards. |
5283 | */ |
5354 | */ |
5284 | unsigned int drm_rotation_simplify(unsigned int rotation, |
5355 | unsigned int drm_rotation_simplify(unsigned int rotation, |
5285 | unsigned int supported_rotations) |
5356 | unsigned int supported_rotations) |
5286 | { |
5357 | { |
5287 | if (rotation & ~supported_rotations) { |
5358 | if (rotation & ~supported_rotations) { |
5288 | rotation ^= BIT(DRM_REFLECT_X) | BIT(DRM_REFLECT_Y); |
5359 | rotation ^= BIT(DRM_REFLECT_X) | BIT(DRM_REFLECT_Y); |
5289 | rotation = (rotation & DRM_REFLECT_MASK) | |
5360 | rotation = (rotation & DRM_REFLECT_MASK) | |
5290 | BIT((ffs(rotation & DRM_ROTATE_MASK) + 1) % 4); |
5361 | BIT((ffs(rotation & DRM_ROTATE_MASK) + 1) % 4); |
5291 | } |
5362 | } |
5292 | 5363 | ||
5293 | return rotation; |
5364 | return rotation; |
5294 | } |
5365 | } |
5295 | EXPORT_SYMBOL(drm_rotation_simplify); |
5366 | EXPORT_SYMBOL(drm_rotation_simplify); |
5296 | 5367 | ||
5297 | /** |
5368 | /** |
5298 | * drm_mode_config_init - initialize DRM mode_configuration structure |
5369 | * drm_mode_config_init - initialize DRM mode_configuration structure |
5299 | * @dev: DRM device |
5370 | * @dev: DRM device |
5300 | * |
5371 | * |
5301 | * Initialize @dev's mode_config structure, used for tracking the graphics |
5372 | * Initialize @dev's mode_config structure, used for tracking the graphics |
5302 | * configuration of @dev. |
5373 | * configuration of @dev. |
5303 | * |
5374 | * |
5304 | * Since this initializes the modeset locks, no locking is possible. Which is no |
5375 | * Since this initializes the modeset locks, no locking is possible. Which is no |
5305 | * problem, since this should happen single threaded at init time. It is the |
5376 | * problem, since this should happen single threaded at init time. It is the |
5306 | * driver's problem to ensure this guarantee. |
5377 | * driver's problem to ensure this guarantee. |
5307 | * |
5378 | * |
5308 | */ |
5379 | */ |
5309 | void drm_mode_config_init(struct drm_device *dev) |
5380 | void drm_mode_config_init(struct drm_device *dev) |
5310 | { |
5381 | { |
5311 | mutex_init(&dev->mode_config.mutex); |
5382 | mutex_init(&dev->mode_config.mutex); |
5312 | drm_modeset_lock_init(&dev->mode_config.connection_mutex); |
5383 | drm_modeset_lock_init(&dev->mode_config.connection_mutex); |
5313 | mutex_init(&dev->mode_config.idr_mutex); |
5384 | mutex_init(&dev->mode_config.idr_mutex); |
5314 | mutex_init(&dev->mode_config.fb_lock); |
5385 | mutex_init(&dev->mode_config.fb_lock); |
5315 | mutex_init(&dev->mode_config.blob_lock); |
5386 | mutex_init(&dev->mode_config.blob_lock); |
5316 | INIT_LIST_HEAD(&dev->mode_config.fb_list); |
5387 | INIT_LIST_HEAD(&dev->mode_config.fb_list); |
5317 | INIT_LIST_HEAD(&dev->mode_config.crtc_list); |
5388 | INIT_LIST_HEAD(&dev->mode_config.crtc_list); |
5318 | INIT_LIST_HEAD(&dev->mode_config.connector_list); |
5389 | INIT_LIST_HEAD(&dev->mode_config.connector_list); |
5319 | INIT_LIST_HEAD(&dev->mode_config.encoder_list); |
5390 | INIT_LIST_HEAD(&dev->mode_config.encoder_list); |
5320 | INIT_LIST_HEAD(&dev->mode_config.property_list); |
5391 | INIT_LIST_HEAD(&dev->mode_config.property_list); |
5321 | INIT_LIST_HEAD(&dev->mode_config.property_blob_list); |
5392 | INIT_LIST_HEAD(&dev->mode_config.property_blob_list); |
5322 | INIT_LIST_HEAD(&dev->mode_config.plane_list); |
5393 | INIT_LIST_HEAD(&dev->mode_config.plane_list); |
5323 | idr_init(&dev->mode_config.crtc_idr); |
5394 | idr_init(&dev->mode_config.crtc_idr); |
5324 | idr_init(&dev->mode_config.tile_idr); |
5395 | idr_init(&dev->mode_config.tile_idr); |
5325 | ida_init(&dev->mode_config.connector_ida); |
5396 | ida_init(&dev->mode_config.connector_ida); |
5326 | 5397 | ||
5327 | drm_modeset_lock_all(dev); |
5398 | drm_modeset_lock_all(dev); |
5328 | drm_mode_create_standard_properties(dev); |
5399 | drm_mode_create_standard_properties(dev); |
5329 | drm_modeset_unlock_all(dev); |
5400 | drm_modeset_unlock_all(dev); |
5330 | 5401 | ||
5331 | /* Just to be sure */ |
5402 | /* Just to be sure */ |
5332 | dev->mode_config.num_fb = 0; |
5403 | dev->mode_config.num_fb = 0; |
5333 | dev->mode_config.num_connector = 0; |
5404 | dev->mode_config.num_connector = 0; |
5334 | dev->mode_config.num_crtc = 0; |
5405 | dev->mode_config.num_crtc = 0; |
5335 | dev->mode_config.num_encoder = 0; |
5406 | dev->mode_config.num_encoder = 0; |
5336 | dev->mode_config.num_overlay_plane = 0; |
5407 | dev->mode_config.num_overlay_plane = 0; |
5337 | dev->mode_config.num_total_plane = 0; |
5408 | dev->mode_config.num_total_plane = 0; |
5338 | } |
5409 | } |
5339 | EXPORT_SYMBOL(drm_mode_config_init); |
5410 | EXPORT_SYMBOL(drm_mode_config_init); |
5340 | 5411 | ||
5341 | /** |
5412 | /** |
5342 | * drm_mode_config_cleanup - free up DRM mode_config info |
5413 | * drm_mode_config_cleanup - free up DRM mode_config info |
5343 | * @dev: DRM device |
5414 | * @dev: DRM device |
5344 | * |
5415 | * |
5345 | * Free up all the connectors and CRTCs associated with this DRM device, then |
5416 | * Free up all the connectors and CRTCs associated with this DRM device, then |
5346 | * free up the framebuffers and associated buffer objects. |
5417 | * free up the framebuffers and associated buffer objects. |
5347 | * |
5418 | * |
5348 | * Note that since this /should/ happen single-threaded at driver/device |
5419 | * Note that since this /should/ happen single-threaded at driver/device |
5349 | * teardown time, no locking is required. It's the driver's job to ensure that |
5420 | * teardown time, no locking is required. It's the driver's job to ensure that |
5350 | * this guarantee actually holds true. |
5421 | * this guarantee actually holds true. |
5351 | * |
5422 | * |
5352 | * FIXME: cleanup any dangling user buffer objects too |
5423 | * FIXME: cleanup any dangling user buffer objects too |
5353 | */ |
5424 | */ |
5354 | void drm_mode_config_cleanup(struct drm_device *dev) |
5425 | void drm_mode_config_cleanup(struct drm_device *dev) |
5355 | { |
5426 | { |
5356 | struct drm_connector *connector, *ot; |
5427 | struct drm_connector *connector, *ot; |
5357 | struct drm_crtc *crtc, *ct; |
5428 | struct drm_crtc *crtc, *ct; |
5358 | struct drm_encoder *encoder, *enct; |
5429 | struct drm_encoder *encoder, *enct; |
5359 | struct drm_framebuffer *fb, *fbt; |
5430 | struct drm_framebuffer *fb, *fbt; |
5360 | struct drm_property *property, *pt; |
5431 | struct drm_property *property, *pt; |
5361 | struct drm_property_blob *blob, *bt; |
5432 | struct drm_property_blob *blob, *bt; |
5362 | struct drm_plane *plane, *plt; |
5433 | struct drm_plane *plane, *plt; |
5363 | 5434 | ||
5364 | list_for_each_entry_safe(encoder, enct, &dev->mode_config.encoder_list, |
5435 | list_for_each_entry_safe(encoder, enct, &dev->mode_config.encoder_list, |
5365 | head) { |
5436 | head) { |
5366 | encoder->funcs->destroy(encoder); |
5437 | encoder->funcs->destroy(encoder); |
5367 | } |
5438 | } |
5368 | 5439 | ||
5369 | list_for_each_entry_safe(connector, ot, |
5440 | list_for_each_entry_safe(connector, ot, |
5370 | &dev->mode_config.connector_list, head) { |
5441 | &dev->mode_config.connector_list, head) { |
5371 | connector->funcs->destroy(connector); |
5442 | connector->funcs->destroy(connector); |
5372 | } |
5443 | } |
5373 | 5444 | ||
5374 | list_for_each_entry_safe(property, pt, &dev->mode_config.property_list, |
5445 | list_for_each_entry_safe(property, pt, &dev->mode_config.property_list, |
5375 | head) { |
5446 | head) { |
5376 | drm_property_destroy(dev, property); |
5447 | drm_property_destroy(dev, property); |
5377 | } |
5448 | } |
5378 | 5449 | ||
5379 | list_for_each_entry_safe(blob, bt, &dev->mode_config.property_blob_list, |
5450 | list_for_each_entry_safe(blob, bt, &dev->mode_config.property_blob_list, |
5380 | head_global) { |
5451 | head_global) { |
5381 | drm_property_unreference_blob(blob); |
5452 | drm_property_unreference_blob(blob); |
5382 | } |
5453 | } |
5383 | 5454 | ||
5384 | /* |
5455 | /* |
5385 | * Single-threaded teardown context, so it's not required to grab the |
5456 | * Single-threaded teardown context, so it's not required to grab the |
5386 | * fb_lock to protect against concurrent fb_list access. Contrary, it |
5457 | * fb_lock to protect against concurrent fb_list access. Contrary, it |
5387 | * would actually deadlock with the drm_framebuffer_cleanup function. |
5458 | * would actually deadlock with the drm_framebuffer_cleanup function. |
5388 | * |
5459 | * |
5389 | * Also, if there are any framebuffers left, that's a driver leak now, |
5460 | * Also, if there are any framebuffers left, that's a driver leak now, |
5390 | * so politely WARN about this. |
5461 | * so politely WARN about this. |
5391 | */ |
5462 | */ |
5392 | WARN_ON(!list_empty(&dev->mode_config.fb_list)); |
5463 | WARN_ON(!list_empty(&dev->mode_config.fb_list)); |
5393 | list_for_each_entry_safe(fb, fbt, &dev->mode_config.fb_list, head) { |
5464 | list_for_each_entry_safe(fb, fbt, &dev->mode_config.fb_list, head) { |
5394 | drm_framebuffer_free(&fb->refcount); |
5465 | drm_framebuffer_free(&fb->refcount); |
5395 | } |
5466 | } |
5396 | 5467 | ||
5397 | list_for_each_entry_safe(plane, plt, &dev->mode_config.plane_list, |
5468 | list_for_each_entry_safe(plane, plt, &dev->mode_config.plane_list, |
5398 | head) { |
5469 | head) { |
5399 | plane->funcs->destroy(plane); |
5470 | plane->funcs->destroy(plane); |
5400 | } |
5471 | } |
5401 | 5472 | ||
5402 | list_for_each_entry_safe(crtc, ct, &dev->mode_config.crtc_list, head) { |
5473 | list_for_each_entry_safe(crtc, ct, &dev->mode_config.crtc_list, head) { |
5403 | crtc->funcs->destroy(crtc); |
5474 | crtc->funcs->destroy(crtc); |
5404 | } |
5475 | } |
5405 | 5476 | ||
5406 | ida_destroy(&dev->mode_config.connector_ida); |
5477 | ida_destroy(&dev->mode_config.connector_ida); |
5407 | idr_destroy(&dev->mode_config.tile_idr); |
5478 | idr_destroy(&dev->mode_config.tile_idr); |
5408 | idr_destroy(&dev->mode_config.crtc_idr); |
5479 | idr_destroy(&dev->mode_config.crtc_idr); |
5409 | drm_modeset_lock_fini(&dev->mode_config.connection_mutex); |
5480 | drm_modeset_lock_fini(&dev->mode_config.connection_mutex); |
5410 | } |
5481 | } |
5411 | EXPORT_SYMBOL(drm_mode_config_cleanup); |
5482 | EXPORT_SYMBOL(drm_mode_config_cleanup); |
5412 | 5483 | ||
5413 | struct drm_property *drm_mode_create_rotation_property(struct drm_device *dev, |
5484 | struct drm_property *drm_mode_create_rotation_property(struct drm_device *dev, |
5414 | unsigned int supported_rotations) |
5485 | unsigned int supported_rotations) |
5415 | { |
5486 | { |
5416 | static const struct drm_prop_enum_list props[] = { |
5487 | static const struct drm_prop_enum_list props[] = { |
5417 | { DRM_ROTATE_0, "rotate-0" }, |
5488 | { DRM_ROTATE_0, "rotate-0" }, |
5418 | { DRM_ROTATE_90, "rotate-90" }, |
5489 | { DRM_ROTATE_90, "rotate-90" }, |
5419 | { DRM_ROTATE_180, "rotate-180" }, |
5490 | { DRM_ROTATE_180, "rotate-180" }, |
5420 | { DRM_ROTATE_270, "rotate-270" }, |
5491 | { DRM_ROTATE_270, "rotate-270" }, |
5421 | { DRM_REFLECT_X, "reflect-x" }, |
5492 | { DRM_REFLECT_X, "reflect-x" }, |
5422 | { DRM_REFLECT_Y, "reflect-y" }, |
5493 | { DRM_REFLECT_Y, "reflect-y" }, |
5423 | }; |
5494 | }; |
5424 | 5495 | ||
5425 | return drm_property_create_bitmask(dev, 0, "rotation", |
5496 | return drm_property_create_bitmask(dev, 0, "rotation", |
5426 | props, ARRAY_SIZE(props), |
5497 | props, ARRAY_SIZE(props), |
5427 | supported_rotations); |
5498 | supported_rotations); |
5428 | } |
5499 | } |
5429 | EXPORT_SYMBOL(drm_mode_create_rotation_property); |
5500 | EXPORT_SYMBOL(drm_mode_create_rotation_property); |
5430 | 5501 | ||
5431 | /** |
5502 | /** |
5432 | * DOC: Tile group |
5503 | * DOC: Tile group |
5433 | * |
5504 | * |
5434 | * Tile groups are used to represent tiled monitors with a unique |
5505 | * Tile groups are used to represent tiled monitors with a unique |
5435 | * integer identifier. Tiled monitors using DisplayID v1.3 have |
5506 | * integer identifier. Tiled monitors using DisplayID v1.3 have |
5436 | * a unique 8-byte handle, we store this in a tile group, so we |
5507 | * a unique 8-byte handle, we store this in a tile group, so we |
5437 | * have a common identifier for all tiles in a monitor group. |
5508 | * have a common identifier for all tiles in a monitor group. |
5438 | */ |
5509 | */ |
5439 | static void drm_tile_group_free(struct kref *kref) |
5510 | static void drm_tile_group_free(struct kref *kref) |
5440 | { |
5511 | { |
5441 | struct drm_tile_group *tg = container_of(kref, struct drm_tile_group, refcount); |
5512 | struct drm_tile_group *tg = container_of(kref, struct drm_tile_group, refcount); |
5442 | struct drm_device *dev = tg->dev; |
5513 | struct drm_device *dev = tg->dev; |
5443 | mutex_lock(&dev->mode_config.idr_mutex); |
5514 | mutex_lock(&dev->mode_config.idr_mutex); |
5444 | idr_remove(&dev->mode_config.tile_idr, tg->id); |
5515 | idr_remove(&dev->mode_config.tile_idr, tg->id); |
5445 | mutex_unlock(&dev->mode_config.idr_mutex); |
5516 | mutex_unlock(&dev->mode_config.idr_mutex); |
5446 | kfree(tg); |
5517 | kfree(tg); |
5447 | } |
5518 | } |
5448 | 5519 | ||
5449 | /** |
5520 | /** |
5450 | * drm_mode_put_tile_group - drop a reference to a tile group. |
5521 | * drm_mode_put_tile_group - drop a reference to a tile group. |
5451 | * @dev: DRM device |
5522 | * @dev: DRM device |
5452 | * @tg: tile group to drop reference to. |
5523 | * @tg: tile group to drop reference to. |
5453 | * |
5524 | * |
5454 | * drop reference to tile group and free if 0. |
5525 | * drop reference to tile group and free if 0. |
5455 | */ |
5526 | */ |
5456 | void drm_mode_put_tile_group(struct drm_device *dev, |
5527 | void drm_mode_put_tile_group(struct drm_device *dev, |
5457 | struct drm_tile_group *tg) |
5528 | struct drm_tile_group *tg) |
5458 | { |
5529 | { |
5459 | kref_put(&tg->refcount, drm_tile_group_free); |
5530 | kref_put(&tg->refcount, drm_tile_group_free); |
5460 | } |
5531 | } |
5461 | 5532 | ||
5462 | /** |
5533 | /** |
5463 | * drm_mode_get_tile_group - get a reference to an existing tile group |
5534 | * drm_mode_get_tile_group - get a reference to an existing tile group |
5464 | * @dev: DRM device |
5535 | * @dev: DRM device |
5465 | * @topology: 8-bytes unique per monitor. |
5536 | * @topology: 8-bytes unique per monitor. |
5466 | * |
5537 | * |
5467 | * Use the unique bytes to get a reference to an existing tile group. |
5538 | * Use the unique bytes to get a reference to an existing tile group. |
5468 | * |
5539 | * |
5469 | * RETURNS: |
5540 | * RETURNS: |
5470 | * tile group or NULL if not found. |
5541 | * tile group or NULL if not found. |
5471 | */ |
5542 | */ |
5472 | struct drm_tile_group *drm_mode_get_tile_group(struct drm_device *dev, |
5543 | struct drm_tile_group *drm_mode_get_tile_group(struct drm_device *dev, |
5473 | char topology[8]) |
5544 | char topology[8]) |
5474 | { |
5545 | { |
5475 | struct drm_tile_group *tg; |
5546 | struct drm_tile_group *tg; |
5476 | int id; |
5547 | int id; |
5477 | mutex_lock(&dev->mode_config.idr_mutex); |
5548 | mutex_lock(&dev->mode_config.idr_mutex); |
5478 | idr_for_each_entry(&dev->mode_config.tile_idr, tg, id) { |
5549 | idr_for_each_entry(&dev->mode_config.tile_idr, tg, id) { |
5479 | if (!memcmp(tg->group_data, topology, 8)) { |
5550 | if (!memcmp(tg->group_data, topology, 8)) { |
5480 | if (!kref_get_unless_zero(&tg->refcount)) |
5551 | if (!kref_get_unless_zero(&tg->refcount)) |
5481 | tg = NULL; |
5552 | tg = NULL; |
5482 | mutex_unlock(&dev->mode_config.idr_mutex); |
5553 | mutex_unlock(&dev->mode_config.idr_mutex); |
5483 | return tg; |
5554 | return tg; |
5484 | } |
5555 | } |
5485 | } |
5556 | } |
5486 | mutex_unlock(&dev->mode_config.idr_mutex); |
5557 | mutex_unlock(&dev->mode_config.idr_mutex); |
5487 | return NULL; |
5558 | return NULL; |
5488 | } |
5559 | } |
5489 | EXPORT_SYMBOL(drm_mode_get_tile_group); |
5560 | EXPORT_SYMBOL(drm_mode_get_tile_group); |
5490 | 5561 | ||
5491 | /** |
5562 | /** |
5492 | * drm_mode_create_tile_group - create a tile group from a displayid description |
5563 | * drm_mode_create_tile_group - create a tile group from a displayid description |
5493 | * @dev: DRM device |
5564 | * @dev: DRM device |
5494 | * @topology: 8-bytes unique per monitor. |
5565 | * @topology: 8-bytes unique per monitor. |
5495 | * |
5566 | * |
5496 | * Create a tile group for the unique monitor, and get a unique |
5567 | * Create a tile group for the unique monitor, and get a unique |
5497 | * identifier for the tile group. |
5568 | * identifier for the tile group. |
5498 | * |
5569 | * |
5499 | * RETURNS: |
5570 | * RETURNS: |
5500 | * new tile group or error. |
5571 | * new tile group or error. |
5501 | */ |
5572 | */ |
5502 | struct drm_tile_group *drm_mode_create_tile_group(struct drm_device *dev, |
5573 | struct drm_tile_group *drm_mode_create_tile_group(struct drm_device *dev, |
5503 | char topology[8]) |
5574 | char topology[8]) |
5504 | { |
5575 | { |
5505 | struct drm_tile_group *tg; |
5576 | struct drm_tile_group *tg; |
5506 | int ret; |
5577 | int ret; |
5507 | 5578 | ||
5508 | tg = kzalloc(sizeof(*tg), GFP_KERNEL); |
5579 | tg = kzalloc(sizeof(*tg), GFP_KERNEL); |
5509 | if (!tg) |
5580 | if (!tg) |
5510 | return ERR_PTR(-ENOMEM); |
5581 | return ERR_PTR(-ENOMEM); |
5511 | 5582 | ||
5512 | kref_init(&tg->refcount); |
5583 | kref_init(&tg->refcount); |
5513 | memcpy(tg->group_data, topology, 8); |
5584 | memcpy(tg->group_data, topology, 8); |
5514 | tg->dev = dev; |
5585 | tg->dev = dev; |
5515 | 5586 | ||
5516 | mutex_lock(&dev->mode_config.idr_mutex); |
5587 | mutex_lock(&dev->mode_config.idr_mutex); |
5517 | ret = idr_alloc(&dev->mode_config.tile_idr, tg, 1, 0, GFP_KERNEL); |
5588 | ret = idr_alloc(&dev->mode_config.tile_idr, tg, 1, 0, GFP_KERNEL); |
5518 | if (ret >= 0) { |
5589 | if (ret >= 0) { |
5519 | tg->id = ret; |
5590 | tg->id = ret; |
5520 | } else { |
5591 | } else { |
5521 | kfree(tg); |
5592 | kfree(tg); |
5522 | tg = ERR_PTR(ret); |
5593 | tg = ERR_PTR(ret); |
5523 | } |
5594 | } |
5524 | 5595 | ||
5525 | mutex_unlock(&dev->mode_config.idr_mutex); |
5596 | mutex_unlock(&dev->mode_config.idr_mutex); |
5526 | return tg; |
5597 | return tg; |
5527 | } |
5598 | } |
5528 | EXPORT_SYMBOL(drm_mode_create_tile_group);>>>><>>>>>>>><>>>>=>=>>>>>><>><>><>><>><>><>>>>>>>>><>><>>>>> |
5599 | EXPORT_SYMBOL(drm_mode_create_tile_group);>>>><>>>>>>>><>>>>=>=>>>>>><>><>><>><>><>><>>>>>>>>><>><>>>>> |