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f453ba04 DA |
1 | /* |
2 | * Copyright (c) 2006-2008 Intel Corporation | |
3 | * Copyright (c) 2007 Dave Airlie <airlied@linux.ie> | |
4 | * Copyright (c) 2008 Red Hat Inc. | |
5 | * | |
6 | * DRM core CRTC related functions | |
7 | * | |
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 | |
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 | |
12 | * that the name of the copyright holders not be used in advertising or | |
13 | * publicity pertaining to distribution of the software without specific, | |
14 | * written prior permission. The copyright holders make no representations | |
15 | * about the suitability of this software for any purpose. It is provided "as | |
16 | * is" without express or implied warranty. | |
17 | * | |
18 | * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, | |
19 | * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO | |
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, | |
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 | |
24 | * OF THIS SOFTWARE. | |
25 | * | |
26 | * Authors: | |
27 | * Keith Packard | |
28 | * Eric Anholt <eric@anholt.net> | |
29 | * Dave Airlie <airlied@linux.ie> | |
30 | * Jesse Barnes <jesse.barnes@intel.com> | |
31 | */ | |
32 | #include <linux/list.h> | |
5a0e3ad6 | 33 | #include <linux/slab.h> |
2d1a8a48 | 34 | #include <linux/export.h> |
f453ba04 DA |
35 | #include "drm.h" |
36 | #include "drmP.h" | |
37 | #include "drm_crtc.h" | |
7466f4cc | 38 | #include "drm_edid.h" |
f453ba04 DA |
39 | |
40 | struct drm_prop_enum_list { | |
41 | int type; | |
42 | char *name; | |
43 | }; | |
44 | ||
45 | /* Avoid boilerplate. I'm tired of typing. */ | |
46 | #define DRM_ENUM_NAME_FN(fnname, list) \ | |
47 | char *fnname(int val) \ | |
48 | { \ | |
49 | int i; \ | |
50 | for (i = 0; i < ARRAY_SIZE(list); i++) { \ | |
51 | if (list[i].type == val) \ | |
52 | return list[i].name; \ | |
53 | } \ | |
54 | return "(unknown)"; \ | |
55 | } | |
56 | ||
57 | /* | |
58 | * Global properties | |
59 | */ | |
60 | static struct drm_prop_enum_list drm_dpms_enum_list[] = | |
61 | { { DRM_MODE_DPMS_ON, "On" }, | |
62 | { DRM_MODE_DPMS_STANDBY, "Standby" }, | |
63 | { DRM_MODE_DPMS_SUSPEND, "Suspend" }, | |
64 | { DRM_MODE_DPMS_OFF, "Off" } | |
65 | }; | |
66 | ||
67 | DRM_ENUM_NAME_FN(drm_get_dpms_name, drm_dpms_enum_list) | |
68 | ||
69 | /* | |
70 | * Optional properties | |
71 | */ | |
72 | static struct drm_prop_enum_list drm_scaling_mode_enum_list[] = | |
73 | { | |
53bd8389 JB |
74 | { DRM_MODE_SCALE_NONE, "None" }, |
75 | { DRM_MODE_SCALE_FULLSCREEN, "Full" }, | |
76 | { DRM_MODE_SCALE_CENTER, "Center" }, | |
77 | { DRM_MODE_SCALE_ASPECT, "Full aspect" }, | |
f453ba04 DA |
78 | }; |
79 | ||
80 | static struct drm_prop_enum_list drm_dithering_mode_enum_list[] = | |
81 | { | |
82 | { DRM_MODE_DITHERING_OFF, "Off" }, | |
83 | { DRM_MODE_DITHERING_ON, "On" }, | |
92897b5c | 84 | { DRM_MODE_DITHERING_AUTO, "Automatic" }, |
f453ba04 DA |
85 | }; |
86 | ||
87 | /* | |
88 | * Non-global properties, but "required" for certain connectors. | |
89 | */ | |
90 | static struct drm_prop_enum_list drm_dvi_i_select_enum_list[] = | |
91 | { | |
92 | { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */ | |
93 | { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */ | |
94 | { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */ | |
95 | }; | |
96 | ||
97 | DRM_ENUM_NAME_FN(drm_get_dvi_i_select_name, drm_dvi_i_select_enum_list) | |
98 | ||
99 | static struct drm_prop_enum_list drm_dvi_i_subconnector_enum_list[] = | |
100 | { | |
101 | { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */ | |
102 | { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */ | |
103 | { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */ | |
104 | }; | |
105 | ||
106 | DRM_ENUM_NAME_FN(drm_get_dvi_i_subconnector_name, | |
107 | drm_dvi_i_subconnector_enum_list) | |
108 | ||
109 | static struct drm_prop_enum_list drm_tv_select_enum_list[] = | |
110 | { | |
111 | { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */ | |
112 | { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */ | |
113 | { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */ | |
114 | { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */ | |
aeaa1ad3 | 115 | { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */ |
f453ba04 DA |
116 | }; |
117 | ||
118 | DRM_ENUM_NAME_FN(drm_get_tv_select_name, drm_tv_select_enum_list) | |
119 | ||
120 | static struct drm_prop_enum_list drm_tv_subconnector_enum_list[] = | |
121 | { | |
122 | { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */ | |
123 | { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */ | |
124 | { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */ | |
125 | { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */ | |
aeaa1ad3 | 126 | { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */ |
f453ba04 DA |
127 | }; |
128 | ||
129 | DRM_ENUM_NAME_FN(drm_get_tv_subconnector_name, | |
130 | drm_tv_subconnector_enum_list) | |
131 | ||
884840aa JB |
132 | static struct drm_prop_enum_list drm_dirty_info_enum_list[] = { |
133 | { DRM_MODE_DIRTY_OFF, "Off" }, | |
134 | { DRM_MODE_DIRTY_ON, "On" }, | |
135 | { DRM_MODE_DIRTY_ANNOTATE, "Annotate" }, | |
136 | }; | |
137 | ||
138 | DRM_ENUM_NAME_FN(drm_get_dirty_info_name, | |
139 | drm_dirty_info_enum_list) | |
140 | ||
f453ba04 DA |
141 | struct drm_conn_prop_enum_list { |
142 | int type; | |
143 | char *name; | |
144 | int count; | |
145 | }; | |
146 | ||
147 | /* | |
148 | * Connector and encoder types. | |
149 | */ | |
150 | static struct drm_conn_prop_enum_list drm_connector_enum_list[] = | |
151 | { { DRM_MODE_CONNECTOR_Unknown, "Unknown", 0 }, | |
152 | { DRM_MODE_CONNECTOR_VGA, "VGA", 0 }, | |
153 | { DRM_MODE_CONNECTOR_DVII, "DVI-I", 0 }, | |
154 | { DRM_MODE_CONNECTOR_DVID, "DVI-D", 0 }, | |
155 | { DRM_MODE_CONNECTOR_DVIA, "DVI-A", 0 }, | |
156 | { DRM_MODE_CONNECTOR_Composite, "Composite", 0 }, | |
157 | { DRM_MODE_CONNECTOR_SVIDEO, "SVIDEO", 0 }, | |
158 | { DRM_MODE_CONNECTOR_LVDS, "LVDS", 0 }, | |
159 | { DRM_MODE_CONNECTOR_Component, "Component", 0 }, | |
e76116ca AD |
160 | { DRM_MODE_CONNECTOR_9PinDIN, "DIN", 0 }, |
161 | { DRM_MODE_CONNECTOR_DisplayPort, "DP", 0 }, | |
162 | { DRM_MODE_CONNECTOR_HDMIA, "HDMI-A", 0 }, | |
163 | { DRM_MODE_CONNECTOR_HDMIB, "HDMI-B", 0 }, | |
74bd3c26 | 164 | { DRM_MODE_CONNECTOR_TV, "TV", 0 }, |
e76116ca | 165 | { DRM_MODE_CONNECTOR_eDP, "eDP", 0 }, |
a7331e5c | 166 | { DRM_MODE_CONNECTOR_VIRTUAL, "Virtual", 0}, |
f453ba04 DA |
167 | }; |
168 | ||
169 | static struct drm_prop_enum_list drm_encoder_enum_list[] = | |
170 | { { DRM_MODE_ENCODER_NONE, "None" }, | |
171 | { DRM_MODE_ENCODER_DAC, "DAC" }, | |
172 | { DRM_MODE_ENCODER_TMDS, "TMDS" }, | |
173 | { DRM_MODE_ENCODER_LVDS, "LVDS" }, | |
174 | { DRM_MODE_ENCODER_TVDAC, "TV" }, | |
a7331e5c | 175 | { DRM_MODE_ENCODER_VIRTUAL, "Virtual" }, |
f453ba04 DA |
176 | }; |
177 | ||
178 | char *drm_get_encoder_name(struct drm_encoder *encoder) | |
179 | { | |
180 | static char buf[32]; | |
181 | ||
182 | snprintf(buf, 32, "%s-%d", | |
183 | drm_encoder_enum_list[encoder->encoder_type].name, | |
184 | encoder->base.id); | |
185 | return buf; | |
186 | } | |
13a8195b | 187 | EXPORT_SYMBOL(drm_get_encoder_name); |
f453ba04 DA |
188 | |
189 | char *drm_get_connector_name(struct drm_connector *connector) | |
190 | { | |
191 | static char buf[32]; | |
192 | ||
193 | snprintf(buf, 32, "%s-%d", | |
194 | drm_connector_enum_list[connector->connector_type].name, | |
195 | connector->connector_type_id); | |
196 | return buf; | |
197 | } | |
198 | EXPORT_SYMBOL(drm_get_connector_name); | |
199 | ||
200 | char *drm_get_connector_status_name(enum drm_connector_status status) | |
201 | { | |
202 | if (status == connector_status_connected) | |
203 | return "connected"; | |
204 | else if (status == connector_status_disconnected) | |
205 | return "disconnected"; | |
206 | else | |
207 | return "unknown"; | |
208 | } | |
209 | ||
210 | /** | |
211 | * drm_mode_object_get - allocate a new identifier | |
212 | * @dev: DRM device | |
213 | * @ptr: object pointer, used to generate unique ID | |
214 | * @type: object type | |
215 | * | |
216 | * LOCKING: | |
f453ba04 DA |
217 | * |
218 | * Create a unique identifier based on @ptr in @dev's identifier space. Used | |
219 | * for tracking modes, CRTCs and connectors. | |
220 | * | |
221 | * RETURNS: | |
222 | * New unique (relative to other objects in @dev) integer identifier for the | |
223 | * object. | |
224 | */ | |
225 | static int drm_mode_object_get(struct drm_device *dev, | |
226 | struct drm_mode_object *obj, uint32_t obj_type) | |
227 | { | |
228 | int new_id = 0; | |
229 | int ret; | |
230 | ||
f453ba04 DA |
231 | again: |
232 | if (idr_pre_get(&dev->mode_config.crtc_idr, GFP_KERNEL) == 0) { | |
233 | DRM_ERROR("Ran out memory getting a mode number\n"); | |
234 | return -EINVAL; | |
235 | } | |
236 | ||
ad2563c2 | 237 | mutex_lock(&dev->mode_config.idr_mutex); |
f453ba04 | 238 | ret = idr_get_new_above(&dev->mode_config.crtc_idr, obj, 1, &new_id); |
ad2563c2 | 239 | mutex_unlock(&dev->mode_config.idr_mutex); |
f453ba04 DA |
240 | if (ret == -EAGAIN) |
241 | goto again; | |
242 | ||
243 | obj->id = new_id; | |
244 | obj->type = obj_type; | |
245 | return 0; | |
246 | } | |
247 | ||
248 | /** | |
249 | * drm_mode_object_put - free an identifer | |
250 | * @dev: DRM device | |
251 | * @id: ID to free | |
252 | * | |
253 | * LOCKING: | |
254 | * Caller must hold DRM mode_config lock. | |
255 | * | |
256 | * Free @id from @dev's unique identifier pool. | |
257 | */ | |
258 | static void drm_mode_object_put(struct drm_device *dev, | |
259 | struct drm_mode_object *object) | |
260 | { | |
ad2563c2 | 261 | mutex_lock(&dev->mode_config.idr_mutex); |
f453ba04 | 262 | idr_remove(&dev->mode_config.crtc_idr, object->id); |
ad2563c2 | 263 | mutex_unlock(&dev->mode_config.idr_mutex); |
f453ba04 DA |
264 | } |
265 | ||
7a9c9060 DV |
266 | struct drm_mode_object *drm_mode_object_find(struct drm_device *dev, |
267 | uint32_t id, uint32_t type) | |
f453ba04 | 268 | { |
ad2563c2 | 269 | struct drm_mode_object *obj = NULL; |
f453ba04 | 270 | |
ad2563c2 | 271 | mutex_lock(&dev->mode_config.idr_mutex); |
f453ba04 DA |
272 | obj = idr_find(&dev->mode_config.crtc_idr, id); |
273 | if (!obj || (obj->type != type) || (obj->id != id)) | |
ad2563c2 JB |
274 | obj = NULL; |
275 | mutex_unlock(&dev->mode_config.idr_mutex); | |
f453ba04 DA |
276 | |
277 | return obj; | |
278 | } | |
279 | EXPORT_SYMBOL(drm_mode_object_find); | |
280 | ||
f453ba04 DA |
281 | /** |
282 | * drm_framebuffer_init - initialize a framebuffer | |
283 | * @dev: DRM device | |
284 | * | |
285 | * LOCKING: | |
286 | * Caller must hold mode config lock. | |
287 | * | |
288 | * Allocates an ID for the framebuffer's parent mode object, sets its mode | |
289 | * functions & device file and adds it to the master fd list. | |
290 | * | |
291 | * RETURNS: | |
af901ca1 | 292 | * Zero on success, error code on failure. |
f453ba04 DA |
293 | */ |
294 | int drm_framebuffer_init(struct drm_device *dev, struct drm_framebuffer *fb, | |
295 | const struct drm_framebuffer_funcs *funcs) | |
296 | { | |
297 | int ret; | |
298 | ||
299 | ret = drm_mode_object_get(dev, &fb->base, DRM_MODE_OBJECT_FB); | |
300 | if (ret) { | |
301 | return ret; | |
302 | } | |
303 | ||
304 | fb->dev = dev; | |
305 | fb->funcs = funcs; | |
306 | dev->mode_config.num_fb++; | |
307 | list_add(&fb->head, &dev->mode_config.fb_list); | |
308 | ||
309 | return 0; | |
310 | } | |
311 | EXPORT_SYMBOL(drm_framebuffer_init); | |
312 | ||
313 | /** | |
314 | * drm_framebuffer_cleanup - remove a framebuffer object | |
315 | * @fb: framebuffer to remove | |
316 | * | |
317 | * LOCKING: | |
318 | * Caller must hold mode config lock. | |
319 | * | |
320 | * Scans all the CRTCs in @dev's mode_config. If they're using @fb, removes | |
321 | * it, setting it to NULL. | |
322 | */ | |
323 | void drm_framebuffer_cleanup(struct drm_framebuffer *fb) | |
324 | { | |
325 | struct drm_device *dev = fb->dev; | |
326 | struct drm_crtc *crtc; | |
5ef5f72f DA |
327 | struct drm_mode_set set; |
328 | int ret; | |
f453ba04 DA |
329 | |
330 | /* remove from any CRTC */ | |
331 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { | |
5ef5f72f DA |
332 | if (crtc->fb == fb) { |
333 | /* should turn off the crtc */ | |
334 | memset(&set, 0, sizeof(struct drm_mode_set)); | |
335 | set.crtc = crtc; | |
336 | set.fb = NULL; | |
337 | ret = crtc->funcs->set_config(&set); | |
338 | if (ret) | |
339 | DRM_ERROR("failed to reset crtc %p when fb was deleted\n", crtc); | |
340 | } | |
f453ba04 DA |
341 | } |
342 | ||
343 | drm_mode_object_put(dev, &fb->base); | |
344 | list_del(&fb->head); | |
345 | dev->mode_config.num_fb--; | |
346 | } | |
347 | EXPORT_SYMBOL(drm_framebuffer_cleanup); | |
348 | ||
349 | /** | |
350 | * drm_crtc_init - Initialise a new CRTC object | |
351 | * @dev: DRM device | |
352 | * @crtc: CRTC object to init | |
353 | * @funcs: callbacks for the new CRTC | |
354 | * | |
355 | * LOCKING: | |
356 | * Caller must hold mode config lock. | |
357 | * | |
358 | * Inits a new object created as base part of an driver crtc object. | |
359 | */ | |
360 | void drm_crtc_init(struct drm_device *dev, struct drm_crtc *crtc, | |
361 | const struct drm_crtc_funcs *funcs) | |
362 | { | |
363 | crtc->dev = dev; | |
364 | crtc->funcs = funcs; | |
365 | ||
366 | mutex_lock(&dev->mode_config.mutex); | |
367 | drm_mode_object_get(dev, &crtc->base, DRM_MODE_OBJECT_CRTC); | |
368 | ||
369 | list_add_tail(&crtc->head, &dev->mode_config.crtc_list); | |
370 | dev->mode_config.num_crtc++; | |
371 | mutex_unlock(&dev->mode_config.mutex); | |
372 | } | |
373 | EXPORT_SYMBOL(drm_crtc_init); | |
374 | ||
375 | /** | |
376 | * drm_crtc_cleanup - Cleans up the core crtc usage. | |
377 | * @crtc: CRTC to cleanup | |
378 | * | |
379 | * LOCKING: | |
380 | * Caller must hold mode config lock. | |
381 | * | |
382 | * Cleanup @crtc. Removes from drm modesetting space | |
383 | * does NOT free object, caller does that. | |
384 | */ | |
385 | void drm_crtc_cleanup(struct drm_crtc *crtc) | |
386 | { | |
387 | struct drm_device *dev = crtc->dev; | |
388 | ||
389 | if (crtc->gamma_store) { | |
390 | kfree(crtc->gamma_store); | |
391 | crtc->gamma_store = NULL; | |
392 | } | |
393 | ||
394 | drm_mode_object_put(dev, &crtc->base); | |
395 | list_del(&crtc->head); | |
396 | dev->mode_config.num_crtc--; | |
397 | } | |
398 | EXPORT_SYMBOL(drm_crtc_cleanup); | |
399 | ||
400 | /** | |
401 | * drm_mode_probed_add - add a mode to a connector's probed mode list | |
402 | * @connector: connector the new mode | |
403 | * @mode: mode data | |
404 | * | |
405 | * LOCKING: | |
406 | * Caller must hold mode config lock. | |
407 | * | |
408 | * Add @mode to @connector's mode list for later use. | |
409 | */ | |
410 | void drm_mode_probed_add(struct drm_connector *connector, | |
411 | struct drm_display_mode *mode) | |
412 | { | |
413 | list_add(&mode->head, &connector->probed_modes); | |
414 | } | |
415 | EXPORT_SYMBOL(drm_mode_probed_add); | |
416 | ||
417 | /** | |
418 | * drm_mode_remove - remove and free a mode | |
419 | * @connector: connector list to modify | |
420 | * @mode: mode to remove | |
421 | * | |
422 | * LOCKING: | |
423 | * Caller must hold mode config lock. | |
424 | * | |
425 | * Remove @mode from @connector's mode list, then free it. | |
426 | */ | |
427 | void drm_mode_remove(struct drm_connector *connector, | |
428 | struct drm_display_mode *mode) | |
429 | { | |
430 | list_del(&mode->head); | |
431 | kfree(mode); | |
432 | } | |
433 | EXPORT_SYMBOL(drm_mode_remove); | |
434 | ||
435 | /** | |
436 | * drm_connector_init - Init a preallocated connector | |
437 | * @dev: DRM device | |
438 | * @connector: the connector to init | |
439 | * @funcs: callbacks for this connector | |
440 | * @name: user visible name of the connector | |
441 | * | |
442 | * LOCKING: | |
443 | * Caller must hold @dev's mode_config lock. | |
444 | * | |
445 | * Initialises a preallocated connector. Connectors should be | |
446 | * subclassed as part of driver connector objects. | |
447 | */ | |
448 | void drm_connector_init(struct drm_device *dev, | |
449 | struct drm_connector *connector, | |
450 | const struct drm_connector_funcs *funcs, | |
451 | int connector_type) | |
452 | { | |
453 | mutex_lock(&dev->mode_config.mutex); | |
454 | ||
455 | connector->dev = dev; | |
456 | connector->funcs = funcs; | |
457 | drm_mode_object_get(dev, &connector->base, DRM_MODE_OBJECT_CONNECTOR); | |
458 | connector->connector_type = connector_type; | |
459 | connector->connector_type_id = | |
460 | ++drm_connector_enum_list[connector_type].count; /* TODO */ | |
461 | INIT_LIST_HEAD(&connector->user_modes); | |
462 | INIT_LIST_HEAD(&connector->probed_modes); | |
463 | INIT_LIST_HEAD(&connector->modes); | |
464 | connector->edid_blob_ptr = NULL; | |
465 | ||
466 | list_add_tail(&connector->head, &dev->mode_config.connector_list); | |
467 | dev->mode_config.num_connector++; | |
468 | ||
a7331e5c TH |
469 | if (connector_type != DRM_MODE_CONNECTOR_VIRTUAL) |
470 | drm_connector_attach_property(connector, | |
471 | dev->mode_config.edid_property, | |
472 | 0); | |
f453ba04 DA |
473 | |
474 | drm_connector_attach_property(connector, | |
475 | dev->mode_config.dpms_property, 0); | |
476 | ||
477 | mutex_unlock(&dev->mode_config.mutex); | |
478 | } | |
479 | EXPORT_SYMBOL(drm_connector_init); | |
480 | ||
481 | /** | |
482 | * drm_connector_cleanup - cleans up an initialised connector | |
483 | * @connector: connector to cleanup | |
484 | * | |
485 | * LOCKING: | |
486 | * Caller must hold @dev's mode_config lock. | |
487 | * | |
488 | * Cleans up the connector but doesn't free the object. | |
489 | */ | |
490 | void drm_connector_cleanup(struct drm_connector *connector) | |
491 | { | |
492 | struct drm_device *dev = connector->dev; | |
493 | struct drm_display_mode *mode, *t; | |
494 | ||
495 | list_for_each_entry_safe(mode, t, &connector->probed_modes, head) | |
496 | drm_mode_remove(connector, mode); | |
497 | ||
498 | list_for_each_entry_safe(mode, t, &connector->modes, head) | |
499 | drm_mode_remove(connector, mode); | |
500 | ||
501 | list_for_each_entry_safe(mode, t, &connector->user_modes, head) | |
502 | drm_mode_remove(connector, mode); | |
503 | ||
504 | mutex_lock(&dev->mode_config.mutex); | |
505 | drm_mode_object_put(dev, &connector->base); | |
506 | list_del(&connector->head); | |
6380c509 | 507 | dev->mode_config.num_connector--; |
f453ba04 DA |
508 | mutex_unlock(&dev->mode_config.mutex); |
509 | } | |
510 | EXPORT_SYMBOL(drm_connector_cleanup); | |
511 | ||
512 | void drm_encoder_init(struct drm_device *dev, | |
513 | struct drm_encoder *encoder, | |
514 | const struct drm_encoder_funcs *funcs, | |
515 | int encoder_type) | |
516 | { | |
517 | mutex_lock(&dev->mode_config.mutex); | |
518 | ||
519 | encoder->dev = dev; | |
520 | ||
521 | drm_mode_object_get(dev, &encoder->base, DRM_MODE_OBJECT_ENCODER); | |
522 | encoder->encoder_type = encoder_type; | |
523 | encoder->funcs = funcs; | |
524 | ||
525 | list_add_tail(&encoder->head, &dev->mode_config.encoder_list); | |
526 | dev->mode_config.num_encoder++; | |
527 | ||
528 | mutex_unlock(&dev->mode_config.mutex); | |
529 | } | |
530 | EXPORT_SYMBOL(drm_encoder_init); | |
531 | ||
532 | void drm_encoder_cleanup(struct drm_encoder *encoder) | |
533 | { | |
534 | struct drm_device *dev = encoder->dev; | |
535 | mutex_lock(&dev->mode_config.mutex); | |
536 | drm_mode_object_put(dev, &encoder->base); | |
537 | list_del(&encoder->head); | |
6380c509 | 538 | dev->mode_config.num_encoder--; |
f453ba04 DA |
539 | mutex_unlock(&dev->mode_config.mutex); |
540 | } | |
541 | EXPORT_SYMBOL(drm_encoder_cleanup); | |
542 | ||
543 | /** | |
544 | * drm_mode_create - create a new display mode | |
545 | * @dev: DRM device | |
546 | * | |
547 | * LOCKING: | |
548 | * Caller must hold DRM mode_config lock. | |
549 | * | |
550 | * Create a new drm_display_mode, give it an ID, and return it. | |
551 | * | |
552 | * RETURNS: | |
553 | * Pointer to new mode on success, NULL on error. | |
554 | */ | |
555 | struct drm_display_mode *drm_mode_create(struct drm_device *dev) | |
556 | { | |
557 | struct drm_display_mode *nmode; | |
558 | ||
559 | nmode = kzalloc(sizeof(struct drm_display_mode), GFP_KERNEL); | |
560 | if (!nmode) | |
561 | return NULL; | |
562 | ||
563 | drm_mode_object_get(dev, &nmode->base, DRM_MODE_OBJECT_MODE); | |
564 | return nmode; | |
565 | } | |
566 | EXPORT_SYMBOL(drm_mode_create); | |
567 | ||
568 | /** | |
569 | * drm_mode_destroy - remove a mode | |
570 | * @dev: DRM device | |
571 | * @mode: mode to remove | |
572 | * | |
573 | * LOCKING: | |
574 | * Caller must hold mode config lock. | |
575 | * | |
576 | * Free @mode's unique identifier, then free it. | |
577 | */ | |
578 | void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode) | |
579 | { | |
580 | drm_mode_object_put(dev, &mode->base); | |
581 | ||
582 | kfree(mode); | |
583 | } | |
584 | EXPORT_SYMBOL(drm_mode_destroy); | |
585 | ||
586 | static int drm_mode_create_standard_connector_properties(struct drm_device *dev) | |
587 | { | |
588 | struct drm_property *edid; | |
589 | struct drm_property *dpms; | |
590 | int i; | |
591 | ||
592 | /* | |
593 | * Standard properties (apply to all connectors) | |
594 | */ | |
595 | edid = drm_property_create(dev, DRM_MODE_PROP_BLOB | | |
596 | DRM_MODE_PROP_IMMUTABLE, | |
597 | "EDID", 0); | |
598 | dev->mode_config.edid_property = edid; | |
599 | ||
600 | dpms = drm_property_create(dev, DRM_MODE_PROP_ENUM, | |
601 | "DPMS", ARRAY_SIZE(drm_dpms_enum_list)); | |
602 | for (i = 0; i < ARRAY_SIZE(drm_dpms_enum_list); i++) | |
603 | drm_property_add_enum(dpms, i, drm_dpms_enum_list[i].type, | |
604 | drm_dpms_enum_list[i].name); | |
605 | dev->mode_config.dpms_property = dpms; | |
606 | ||
607 | return 0; | |
608 | } | |
609 | ||
610 | /** | |
611 | * drm_mode_create_dvi_i_properties - create DVI-I specific connector properties | |
612 | * @dev: DRM device | |
613 | * | |
614 | * Called by a driver the first time a DVI-I connector is made. | |
615 | */ | |
616 | int drm_mode_create_dvi_i_properties(struct drm_device *dev) | |
617 | { | |
618 | struct drm_property *dvi_i_selector; | |
619 | struct drm_property *dvi_i_subconnector; | |
620 | int i; | |
621 | ||
622 | if (dev->mode_config.dvi_i_select_subconnector_property) | |
623 | return 0; | |
624 | ||
625 | dvi_i_selector = | |
626 | drm_property_create(dev, DRM_MODE_PROP_ENUM, | |
627 | "select subconnector", | |
628 | ARRAY_SIZE(drm_dvi_i_select_enum_list)); | |
629 | for (i = 0; i < ARRAY_SIZE(drm_dvi_i_select_enum_list); i++) | |
630 | drm_property_add_enum(dvi_i_selector, i, | |
631 | drm_dvi_i_select_enum_list[i].type, | |
632 | drm_dvi_i_select_enum_list[i].name); | |
633 | dev->mode_config.dvi_i_select_subconnector_property = dvi_i_selector; | |
634 | ||
635 | dvi_i_subconnector = | |
636 | drm_property_create(dev, DRM_MODE_PROP_ENUM | | |
637 | DRM_MODE_PROP_IMMUTABLE, | |
638 | "subconnector", | |
639 | ARRAY_SIZE(drm_dvi_i_subconnector_enum_list)); | |
640 | for (i = 0; i < ARRAY_SIZE(drm_dvi_i_subconnector_enum_list); i++) | |
641 | drm_property_add_enum(dvi_i_subconnector, i, | |
642 | drm_dvi_i_subconnector_enum_list[i].type, | |
643 | drm_dvi_i_subconnector_enum_list[i].name); | |
644 | dev->mode_config.dvi_i_subconnector_property = dvi_i_subconnector; | |
645 | ||
646 | return 0; | |
647 | } | |
648 | EXPORT_SYMBOL(drm_mode_create_dvi_i_properties); | |
649 | ||
650 | /** | |
651 | * drm_create_tv_properties - create TV specific connector properties | |
652 | * @dev: DRM device | |
653 | * @num_modes: number of different TV formats (modes) supported | |
654 | * @modes: array of pointers to strings containing name of each format | |
655 | * | |
656 | * Called by a driver's TV initialization routine, this function creates | |
657 | * the TV specific connector properties for a given device. Caller is | |
658 | * responsible for allocating a list of format names and passing them to | |
659 | * this routine. | |
660 | */ | |
661 | int drm_mode_create_tv_properties(struct drm_device *dev, int num_modes, | |
662 | char *modes[]) | |
663 | { | |
664 | struct drm_property *tv_selector; | |
665 | struct drm_property *tv_subconnector; | |
666 | int i; | |
667 | ||
668 | if (dev->mode_config.tv_select_subconnector_property) | |
669 | return 0; | |
670 | ||
671 | /* | |
672 | * Basic connector properties | |
673 | */ | |
674 | tv_selector = drm_property_create(dev, DRM_MODE_PROP_ENUM, | |
675 | "select subconnector", | |
676 | ARRAY_SIZE(drm_tv_select_enum_list)); | |
677 | for (i = 0; i < ARRAY_SIZE(drm_tv_select_enum_list); i++) | |
678 | drm_property_add_enum(tv_selector, i, | |
679 | drm_tv_select_enum_list[i].type, | |
680 | drm_tv_select_enum_list[i].name); | |
681 | dev->mode_config.tv_select_subconnector_property = tv_selector; | |
682 | ||
683 | tv_subconnector = | |
684 | drm_property_create(dev, DRM_MODE_PROP_ENUM | | |
685 | DRM_MODE_PROP_IMMUTABLE, "subconnector", | |
686 | ARRAY_SIZE(drm_tv_subconnector_enum_list)); | |
687 | for (i = 0; i < ARRAY_SIZE(drm_tv_subconnector_enum_list); i++) | |
688 | drm_property_add_enum(tv_subconnector, i, | |
689 | drm_tv_subconnector_enum_list[i].type, | |
690 | drm_tv_subconnector_enum_list[i].name); | |
691 | dev->mode_config.tv_subconnector_property = tv_subconnector; | |
692 | ||
693 | /* | |
694 | * Other, TV specific properties: margins & TV modes. | |
695 | */ | |
696 | dev->mode_config.tv_left_margin_property = | |
697 | drm_property_create(dev, DRM_MODE_PROP_RANGE, | |
698 | "left margin", 2); | |
699 | dev->mode_config.tv_left_margin_property->values[0] = 0; | |
700 | dev->mode_config.tv_left_margin_property->values[1] = 100; | |
701 | ||
702 | dev->mode_config.tv_right_margin_property = | |
703 | drm_property_create(dev, DRM_MODE_PROP_RANGE, | |
704 | "right margin", 2); | |
705 | dev->mode_config.tv_right_margin_property->values[0] = 0; | |
706 | dev->mode_config.tv_right_margin_property->values[1] = 100; | |
707 | ||
708 | dev->mode_config.tv_top_margin_property = | |
709 | drm_property_create(dev, DRM_MODE_PROP_RANGE, | |
710 | "top margin", 2); | |
711 | dev->mode_config.tv_top_margin_property->values[0] = 0; | |
712 | dev->mode_config.tv_top_margin_property->values[1] = 100; | |
713 | ||
714 | dev->mode_config.tv_bottom_margin_property = | |
715 | drm_property_create(dev, DRM_MODE_PROP_RANGE, | |
716 | "bottom margin", 2); | |
717 | dev->mode_config.tv_bottom_margin_property->values[0] = 0; | |
718 | dev->mode_config.tv_bottom_margin_property->values[1] = 100; | |
719 | ||
720 | dev->mode_config.tv_mode_property = | |
721 | drm_property_create(dev, DRM_MODE_PROP_ENUM, | |
722 | "mode", num_modes); | |
723 | for (i = 0; i < num_modes; i++) | |
724 | drm_property_add_enum(dev->mode_config.tv_mode_property, i, | |
725 | i, modes[i]); | |
726 | ||
b6b7902e FJ |
727 | dev->mode_config.tv_brightness_property = |
728 | drm_property_create(dev, DRM_MODE_PROP_RANGE, | |
729 | "brightness", 2); | |
730 | dev->mode_config.tv_brightness_property->values[0] = 0; | |
731 | dev->mode_config.tv_brightness_property->values[1] = 100; | |
732 | ||
733 | dev->mode_config.tv_contrast_property = | |
734 | drm_property_create(dev, DRM_MODE_PROP_RANGE, | |
735 | "contrast", 2); | |
736 | dev->mode_config.tv_contrast_property->values[0] = 0; | |
737 | dev->mode_config.tv_contrast_property->values[1] = 100; | |
738 | ||
739 | dev->mode_config.tv_flicker_reduction_property = | |
740 | drm_property_create(dev, DRM_MODE_PROP_RANGE, | |
741 | "flicker reduction", 2); | |
742 | dev->mode_config.tv_flicker_reduction_property->values[0] = 0; | |
743 | dev->mode_config.tv_flicker_reduction_property->values[1] = 100; | |
744 | ||
a75f0236 FJ |
745 | dev->mode_config.tv_overscan_property = |
746 | drm_property_create(dev, DRM_MODE_PROP_RANGE, | |
747 | "overscan", 2); | |
748 | dev->mode_config.tv_overscan_property->values[0] = 0; | |
749 | dev->mode_config.tv_overscan_property->values[1] = 100; | |
750 | ||
751 | dev->mode_config.tv_saturation_property = | |
752 | drm_property_create(dev, DRM_MODE_PROP_RANGE, | |
753 | "saturation", 2); | |
754 | dev->mode_config.tv_saturation_property->values[0] = 0; | |
755 | dev->mode_config.tv_saturation_property->values[1] = 100; | |
756 | ||
757 | dev->mode_config.tv_hue_property = | |
758 | drm_property_create(dev, DRM_MODE_PROP_RANGE, | |
759 | "hue", 2); | |
760 | dev->mode_config.tv_hue_property->values[0] = 0; | |
761 | dev->mode_config.tv_hue_property->values[1] = 100; | |
762 | ||
f453ba04 DA |
763 | return 0; |
764 | } | |
765 | EXPORT_SYMBOL(drm_mode_create_tv_properties); | |
766 | ||
767 | /** | |
768 | * drm_mode_create_scaling_mode_property - create scaling mode property | |
769 | * @dev: DRM device | |
770 | * | |
771 | * Called by a driver the first time it's needed, must be attached to desired | |
772 | * connectors. | |
773 | */ | |
774 | int drm_mode_create_scaling_mode_property(struct drm_device *dev) | |
775 | { | |
776 | struct drm_property *scaling_mode; | |
777 | int i; | |
778 | ||
779 | if (dev->mode_config.scaling_mode_property) | |
780 | return 0; | |
781 | ||
782 | scaling_mode = | |
783 | drm_property_create(dev, DRM_MODE_PROP_ENUM, "scaling mode", | |
784 | ARRAY_SIZE(drm_scaling_mode_enum_list)); | |
785 | for (i = 0; i < ARRAY_SIZE(drm_scaling_mode_enum_list); i++) | |
786 | drm_property_add_enum(scaling_mode, i, | |
787 | drm_scaling_mode_enum_list[i].type, | |
788 | drm_scaling_mode_enum_list[i].name); | |
789 | ||
790 | dev->mode_config.scaling_mode_property = scaling_mode; | |
791 | ||
792 | return 0; | |
793 | } | |
794 | EXPORT_SYMBOL(drm_mode_create_scaling_mode_property); | |
795 | ||
796 | /** | |
797 | * drm_mode_create_dithering_property - create dithering property | |
798 | * @dev: DRM device | |
799 | * | |
800 | * Called by a driver the first time it's needed, must be attached to desired | |
801 | * connectors. | |
802 | */ | |
803 | int drm_mode_create_dithering_property(struct drm_device *dev) | |
804 | { | |
805 | struct drm_property *dithering_mode; | |
806 | int i; | |
807 | ||
808 | if (dev->mode_config.dithering_mode_property) | |
809 | return 0; | |
810 | ||
811 | dithering_mode = | |
812 | drm_property_create(dev, DRM_MODE_PROP_ENUM, "dithering", | |
813 | ARRAY_SIZE(drm_dithering_mode_enum_list)); | |
814 | for (i = 0; i < ARRAY_SIZE(drm_dithering_mode_enum_list); i++) | |
815 | drm_property_add_enum(dithering_mode, i, | |
816 | drm_dithering_mode_enum_list[i].type, | |
817 | drm_dithering_mode_enum_list[i].name); | |
818 | dev->mode_config.dithering_mode_property = dithering_mode; | |
819 | ||
820 | return 0; | |
821 | } | |
822 | EXPORT_SYMBOL(drm_mode_create_dithering_property); | |
823 | ||
884840aa JB |
824 | /** |
825 | * drm_mode_create_dirty_property - create dirty property | |
826 | * @dev: DRM device | |
827 | * | |
828 | * Called by a driver the first time it's needed, must be attached to desired | |
829 | * connectors. | |
830 | */ | |
831 | int drm_mode_create_dirty_info_property(struct drm_device *dev) | |
832 | { | |
833 | struct drm_property *dirty_info; | |
834 | int i; | |
835 | ||
836 | if (dev->mode_config.dirty_info_property) | |
837 | return 0; | |
838 | ||
839 | dirty_info = | |
840 | drm_property_create(dev, DRM_MODE_PROP_ENUM | | |
841 | DRM_MODE_PROP_IMMUTABLE, | |
842 | "dirty", | |
843 | ARRAY_SIZE(drm_dirty_info_enum_list)); | |
844 | for (i = 0; i < ARRAY_SIZE(drm_dirty_info_enum_list); i++) | |
845 | drm_property_add_enum(dirty_info, i, | |
846 | drm_dirty_info_enum_list[i].type, | |
847 | drm_dirty_info_enum_list[i].name); | |
848 | dev->mode_config.dirty_info_property = dirty_info; | |
849 | ||
850 | return 0; | |
851 | } | |
852 | EXPORT_SYMBOL(drm_mode_create_dirty_info_property); | |
853 | ||
f453ba04 DA |
854 | /** |
855 | * drm_mode_config_init - initialize DRM mode_configuration structure | |
856 | * @dev: DRM device | |
857 | * | |
858 | * LOCKING: | |
859 | * None, should happen single threaded at init time. | |
860 | * | |
861 | * Initialize @dev's mode_config structure, used for tracking the graphics | |
862 | * configuration of @dev. | |
863 | */ | |
864 | void drm_mode_config_init(struct drm_device *dev) | |
865 | { | |
866 | mutex_init(&dev->mode_config.mutex); | |
ad2563c2 | 867 | mutex_init(&dev->mode_config.idr_mutex); |
f453ba04 | 868 | INIT_LIST_HEAD(&dev->mode_config.fb_list); |
f453ba04 DA |
869 | INIT_LIST_HEAD(&dev->mode_config.crtc_list); |
870 | INIT_LIST_HEAD(&dev->mode_config.connector_list); | |
871 | INIT_LIST_HEAD(&dev->mode_config.encoder_list); | |
872 | INIT_LIST_HEAD(&dev->mode_config.property_list); | |
873 | INIT_LIST_HEAD(&dev->mode_config.property_blob_list); | |
874 | idr_init(&dev->mode_config.crtc_idr); | |
875 | ||
876 | mutex_lock(&dev->mode_config.mutex); | |
877 | drm_mode_create_standard_connector_properties(dev); | |
878 | mutex_unlock(&dev->mode_config.mutex); | |
879 | ||
880 | /* Just to be sure */ | |
881 | dev->mode_config.num_fb = 0; | |
882 | dev->mode_config.num_connector = 0; | |
883 | dev->mode_config.num_crtc = 0; | |
884 | dev->mode_config.num_encoder = 0; | |
f453ba04 DA |
885 | } |
886 | EXPORT_SYMBOL(drm_mode_config_init); | |
887 | ||
888 | int drm_mode_group_init(struct drm_device *dev, struct drm_mode_group *group) | |
889 | { | |
890 | uint32_t total_objects = 0; | |
891 | ||
892 | total_objects += dev->mode_config.num_crtc; | |
893 | total_objects += dev->mode_config.num_connector; | |
894 | total_objects += dev->mode_config.num_encoder; | |
895 | ||
f453ba04 DA |
896 | group->id_list = kzalloc(total_objects * sizeof(uint32_t), GFP_KERNEL); |
897 | if (!group->id_list) | |
898 | return -ENOMEM; | |
899 | ||
900 | group->num_crtcs = 0; | |
901 | group->num_connectors = 0; | |
902 | group->num_encoders = 0; | |
903 | return 0; | |
904 | } | |
905 | ||
906 | int drm_mode_group_init_legacy_group(struct drm_device *dev, | |
907 | struct drm_mode_group *group) | |
908 | { | |
909 | struct drm_crtc *crtc; | |
910 | struct drm_encoder *encoder; | |
911 | struct drm_connector *connector; | |
912 | int ret; | |
913 | ||
914 | if ((ret = drm_mode_group_init(dev, group))) | |
915 | return ret; | |
916 | ||
917 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) | |
918 | group->id_list[group->num_crtcs++] = crtc->base.id; | |
919 | ||
920 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) | |
921 | group->id_list[group->num_crtcs + group->num_encoders++] = | |
922 | encoder->base.id; | |
923 | ||
924 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) | |
925 | group->id_list[group->num_crtcs + group->num_encoders + | |
926 | group->num_connectors++] = connector->base.id; | |
927 | ||
928 | return 0; | |
929 | } | |
930 | ||
931 | /** | |
932 | * drm_mode_config_cleanup - free up DRM mode_config info | |
933 | * @dev: DRM device | |
934 | * | |
935 | * LOCKING: | |
936 | * Caller must hold mode config lock. | |
937 | * | |
938 | * Free up all the connectors and CRTCs associated with this DRM device, then | |
939 | * free up the framebuffers and associated buffer objects. | |
940 | * | |
941 | * FIXME: cleanup any dangling user buffer objects too | |
942 | */ | |
943 | void drm_mode_config_cleanup(struct drm_device *dev) | |
944 | { | |
945 | struct drm_connector *connector, *ot; | |
946 | struct drm_crtc *crtc, *ct; | |
947 | struct drm_encoder *encoder, *enct; | |
948 | struct drm_framebuffer *fb, *fbt; | |
949 | struct drm_property *property, *pt; | |
950 | ||
951 | list_for_each_entry_safe(encoder, enct, &dev->mode_config.encoder_list, | |
952 | head) { | |
953 | encoder->funcs->destroy(encoder); | |
954 | } | |
955 | ||
956 | list_for_each_entry_safe(connector, ot, | |
957 | &dev->mode_config.connector_list, head) { | |
958 | connector->funcs->destroy(connector); | |
959 | } | |
960 | ||
961 | list_for_each_entry_safe(property, pt, &dev->mode_config.property_list, | |
962 | head) { | |
963 | drm_property_destroy(dev, property); | |
964 | } | |
965 | ||
966 | list_for_each_entry_safe(fb, fbt, &dev->mode_config.fb_list, head) { | |
967 | fb->funcs->destroy(fb); | |
968 | } | |
969 | ||
970 | list_for_each_entry_safe(crtc, ct, &dev->mode_config.crtc_list, head) { | |
971 | crtc->funcs->destroy(crtc); | |
972 | } | |
973 | ||
974 | } | |
975 | EXPORT_SYMBOL(drm_mode_config_cleanup); | |
976 | ||
f453ba04 DA |
977 | /** |
978 | * drm_crtc_convert_to_umode - convert a drm_display_mode into a modeinfo | |
979 | * @out: drm_mode_modeinfo struct to return to the user | |
980 | * @in: drm_display_mode to use | |
981 | * | |
982 | * LOCKING: | |
983 | * None. | |
984 | * | |
985 | * Convert a drm_display_mode into a drm_mode_modeinfo structure to return to | |
986 | * the user. | |
987 | */ | |
988 | void drm_crtc_convert_to_umode(struct drm_mode_modeinfo *out, | |
989 | struct drm_display_mode *in) | |
990 | { | |
991 | out->clock = in->clock; | |
992 | out->hdisplay = in->hdisplay; | |
993 | out->hsync_start = in->hsync_start; | |
994 | out->hsync_end = in->hsync_end; | |
995 | out->htotal = in->htotal; | |
996 | out->hskew = in->hskew; | |
997 | out->vdisplay = in->vdisplay; | |
998 | out->vsync_start = in->vsync_start; | |
999 | out->vsync_end = in->vsync_end; | |
1000 | out->vtotal = in->vtotal; | |
1001 | out->vscan = in->vscan; | |
1002 | out->vrefresh = in->vrefresh; | |
1003 | out->flags = in->flags; | |
1004 | out->type = in->type; | |
1005 | strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN); | |
1006 | out->name[DRM_DISPLAY_MODE_LEN-1] = 0; | |
1007 | } | |
1008 | ||
1009 | /** | |
1010 | * drm_crtc_convert_to_umode - convert a modeinfo into a drm_display_mode | |
1011 | * @out: drm_display_mode to return to the user | |
1012 | * @in: drm_mode_modeinfo to use | |
1013 | * | |
1014 | * LOCKING: | |
1015 | * None. | |
1016 | * | |
1017 | * Convert a drm_mode_modeinfo into a drm_display_mode structure to return to | |
1018 | * the caller. | |
1019 | */ | |
1020 | void drm_crtc_convert_umode(struct drm_display_mode *out, | |
1021 | struct drm_mode_modeinfo *in) | |
1022 | { | |
1023 | out->clock = in->clock; | |
1024 | out->hdisplay = in->hdisplay; | |
1025 | out->hsync_start = in->hsync_start; | |
1026 | out->hsync_end = in->hsync_end; | |
1027 | out->htotal = in->htotal; | |
1028 | out->hskew = in->hskew; | |
1029 | out->vdisplay = in->vdisplay; | |
1030 | out->vsync_start = in->vsync_start; | |
1031 | out->vsync_end = in->vsync_end; | |
1032 | out->vtotal = in->vtotal; | |
1033 | out->vscan = in->vscan; | |
1034 | out->vrefresh = in->vrefresh; | |
1035 | out->flags = in->flags; | |
1036 | out->type = in->type; | |
1037 | strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN); | |
1038 | out->name[DRM_DISPLAY_MODE_LEN-1] = 0; | |
1039 | } | |
1040 | ||
1041 | /** | |
1042 | * drm_mode_getresources - get graphics configuration | |
1043 | * @inode: inode from the ioctl | |
1044 | * @filp: file * from the ioctl | |
1045 | * @cmd: cmd from ioctl | |
1046 | * @arg: arg from ioctl | |
1047 | * | |
1048 | * LOCKING: | |
1049 | * Takes mode config lock. | |
1050 | * | |
1051 | * Construct a set of configuration description structures and return | |
1052 | * them to the user, including CRTC, connector and framebuffer configuration. | |
1053 | * | |
1054 | * Called by the user via ioctl. | |
1055 | * | |
1056 | * RETURNS: | |
1057 | * Zero on success, errno on failure. | |
1058 | */ | |
1059 | int drm_mode_getresources(struct drm_device *dev, void *data, | |
1060 | struct drm_file *file_priv) | |
1061 | { | |
1062 | struct drm_mode_card_res *card_res = data; | |
1063 | struct list_head *lh; | |
1064 | struct drm_framebuffer *fb; | |
1065 | struct drm_connector *connector; | |
1066 | struct drm_crtc *crtc; | |
1067 | struct drm_encoder *encoder; | |
1068 | int ret = 0; | |
1069 | int connector_count = 0; | |
1070 | int crtc_count = 0; | |
1071 | int fb_count = 0; | |
1072 | int encoder_count = 0; | |
1073 | int copied = 0, i; | |
1074 | uint32_t __user *fb_id; | |
1075 | uint32_t __user *crtc_id; | |
1076 | uint32_t __user *connector_id; | |
1077 | uint32_t __user *encoder_id; | |
1078 | struct drm_mode_group *mode_group; | |
1079 | ||
fb3b06c8 DA |
1080 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1081 | return -EINVAL; | |
1082 | ||
f453ba04 DA |
1083 | mutex_lock(&dev->mode_config.mutex); |
1084 | ||
1085 | /* | |
1086 | * For the non-control nodes we need to limit the list of resources | |
1087 | * by IDs in the group list for this node | |
1088 | */ | |
1089 | list_for_each(lh, &file_priv->fbs) | |
1090 | fb_count++; | |
1091 | ||
1092 | mode_group = &file_priv->master->minor->mode_group; | |
1093 | if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { | |
1094 | ||
1095 | list_for_each(lh, &dev->mode_config.crtc_list) | |
1096 | crtc_count++; | |
1097 | ||
1098 | list_for_each(lh, &dev->mode_config.connector_list) | |
1099 | connector_count++; | |
1100 | ||
1101 | list_for_each(lh, &dev->mode_config.encoder_list) | |
1102 | encoder_count++; | |
1103 | } else { | |
1104 | ||
1105 | crtc_count = mode_group->num_crtcs; | |
1106 | connector_count = mode_group->num_connectors; | |
1107 | encoder_count = mode_group->num_encoders; | |
1108 | } | |
1109 | ||
1110 | card_res->max_height = dev->mode_config.max_height; | |
1111 | card_res->min_height = dev->mode_config.min_height; | |
1112 | card_res->max_width = dev->mode_config.max_width; | |
1113 | card_res->min_width = dev->mode_config.min_width; | |
1114 | ||
1115 | /* handle this in 4 parts */ | |
1116 | /* FBs */ | |
1117 | if (card_res->count_fbs >= fb_count) { | |
1118 | copied = 0; | |
1119 | fb_id = (uint32_t __user *)(unsigned long)card_res->fb_id_ptr; | |
618c75e4 | 1120 | list_for_each_entry(fb, &file_priv->fbs, filp_head) { |
f453ba04 DA |
1121 | if (put_user(fb->base.id, fb_id + copied)) { |
1122 | ret = -EFAULT; | |
1123 | goto out; | |
1124 | } | |
1125 | copied++; | |
1126 | } | |
1127 | } | |
1128 | card_res->count_fbs = fb_count; | |
1129 | ||
1130 | /* CRTCs */ | |
1131 | if (card_res->count_crtcs >= crtc_count) { | |
1132 | copied = 0; | |
1133 | crtc_id = (uint32_t __user *)(unsigned long)card_res->crtc_id_ptr; | |
1134 | if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { | |
1135 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, | |
1136 | head) { | |
9440106b | 1137 | DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id); |
f453ba04 DA |
1138 | if (put_user(crtc->base.id, crtc_id + copied)) { |
1139 | ret = -EFAULT; | |
1140 | goto out; | |
1141 | } | |
1142 | copied++; | |
1143 | } | |
1144 | } else { | |
1145 | for (i = 0; i < mode_group->num_crtcs; i++) { | |
1146 | if (put_user(mode_group->id_list[i], | |
1147 | crtc_id + copied)) { | |
1148 | ret = -EFAULT; | |
1149 | goto out; | |
1150 | } | |
1151 | copied++; | |
1152 | } | |
1153 | } | |
1154 | } | |
1155 | card_res->count_crtcs = crtc_count; | |
1156 | ||
1157 | /* Encoders */ | |
1158 | if (card_res->count_encoders >= encoder_count) { | |
1159 | copied = 0; | |
1160 | encoder_id = (uint32_t __user *)(unsigned long)card_res->encoder_id_ptr; | |
1161 | if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { | |
1162 | list_for_each_entry(encoder, | |
1163 | &dev->mode_config.encoder_list, | |
1164 | head) { | |
9440106b JG |
1165 | DRM_DEBUG_KMS("[ENCODER:%d:%s]\n", encoder->base.id, |
1166 | drm_get_encoder_name(encoder)); | |
f453ba04 DA |
1167 | if (put_user(encoder->base.id, encoder_id + |
1168 | copied)) { | |
1169 | ret = -EFAULT; | |
1170 | goto out; | |
1171 | } | |
1172 | copied++; | |
1173 | } | |
1174 | } else { | |
1175 | for (i = mode_group->num_crtcs; i < mode_group->num_crtcs + mode_group->num_encoders; i++) { | |
1176 | if (put_user(mode_group->id_list[i], | |
1177 | encoder_id + copied)) { | |
1178 | ret = -EFAULT; | |
1179 | goto out; | |
1180 | } | |
1181 | copied++; | |
1182 | } | |
1183 | ||
1184 | } | |
1185 | } | |
1186 | card_res->count_encoders = encoder_count; | |
1187 | ||
1188 | /* Connectors */ | |
1189 | if (card_res->count_connectors >= connector_count) { | |
1190 | copied = 0; | |
1191 | connector_id = (uint32_t __user *)(unsigned long)card_res->connector_id_ptr; | |
1192 | if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { | |
1193 | list_for_each_entry(connector, | |
1194 | &dev->mode_config.connector_list, | |
1195 | head) { | |
9440106b JG |
1196 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", |
1197 | connector->base.id, | |
1198 | drm_get_connector_name(connector)); | |
f453ba04 DA |
1199 | if (put_user(connector->base.id, |
1200 | connector_id + copied)) { | |
1201 | ret = -EFAULT; | |
1202 | goto out; | |
1203 | } | |
1204 | copied++; | |
1205 | } | |
1206 | } else { | |
1207 | int start = mode_group->num_crtcs + | |
1208 | mode_group->num_encoders; | |
1209 | for (i = start; i < start + mode_group->num_connectors; i++) { | |
1210 | if (put_user(mode_group->id_list[i], | |
1211 | connector_id + copied)) { | |
1212 | ret = -EFAULT; | |
1213 | goto out; | |
1214 | } | |
1215 | copied++; | |
1216 | } | |
1217 | } | |
1218 | } | |
1219 | card_res->count_connectors = connector_count; | |
1220 | ||
9440106b | 1221 | DRM_DEBUG_KMS("CRTC[%d] CONNECTORS[%d] ENCODERS[%d]\n", card_res->count_crtcs, |
f453ba04 DA |
1222 | card_res->count_connectors, card_res->count_encoders); |
1223 | ||
1224 | out: | |
1225 | mutex_unlock(&dev->mode_config.mutex); | |
1226 | return ret; | |
1227 | } | |
1228 | ||
1229 | /** | |
1230 | * drm_mode_getcrtc - get CRTC configuration | |
1231 | * @inode: inode from the ioctl | |
1232 | * @filp: file * from the ioctl | |
1233 | * @cmd: cmd from ioctl | |
1234 | * @arg: arg from ioctl | |
1235 | * | |
1236 | * LOCKING: | |
1237 | * Caller? (FIXME) | |
1238 | * | |
1239 | * Construct a CRTC configuration structure to return to the user. | |
1240 | * | |
1241 | * Called by the user via ioctl. | |
1242 | * | |
1243 | * RETURNS: | |
1244 | * Zero on success, errno on failure. | |
1245 | */ | |
1246 | int drm_mode_getcrtc(struct drm_device *dev, | |
1247 | void *data, struct drm_file *file_priv) | |
1248 | { | |
1249 | struct drm_mode_crtc *crtc_resp = data; | |
1250 | struct drm_crtc *crtc; | |
1251 | struct drm_mode_object *obj; | |
1252 | int ret = 0; | |
1253 | ||
fb3b06c8 DA |
1254 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1255 | return -EINVAL; | |
1256 | ||
f453ba04 DA |
1257 | mutex_lock(&dev->mode_config.mutex); |
1258 | ||
1259 | obj = drm_mode_object_find(dev, crtc_resp->crtc_id, | |
1260 | DRM_MODE_OBJECT_CRTC); | |
1261 | if (!obj) { | |
1262 | ret = -EINVAL; | |
1263 | goto out; | |
1264 | } | |
1265 | crtc = obj_to_crtc(obj); | |
1266 | ||
1267 | crtc_resp->x = crtc->x; | |
1268 | crtc_resp->y = crtc->y; | |
1269 | crtc_resp->gamma_size = crtc->gamma_size; | |
1270 | if (crtc->fb) | |
1271 | crtc_resp->fb_id = crtc->fb->base.id; | |
1272 | else | |
1273 | crtc_resp->fb_id = 0; | |
1274 | ||
1275 | if (crtc->enabled) { | |
1276 | ||
1277 | drm_crtc_convert_to_umode(&crtc_resp->mode, &crtc->mode); | |
1278 | crtc_resp->mode_valid = 1; | |
1279 | ||
1280 | } else { | |
1281 | crtc_resp->mode_valid = 0; | |
1282 | } | |
1283 | ||
1284 | out: | |
1285 | mutex_unlock(&dev->mode_config.mutex); | |
1286 | return ret; | |
1287 | } | |
1288 | ||
1289 | /** | |
1290 | * drm_mode_getconnector - get connector configuration | |
1291 | * @inode: inode from the ioctl | |
1292 | * @filp: file * from the ioctl | |
1293 | * @cmd: cmd from ioctl | |
1294 | * @arg: arg from ioctl | |
1295 | * | |
1296 | * LOCKING: | |
1297 | * Caller? (FIXME) | |
1298 | * | |
1299 | * Construct a connector configuration structure to return to the user. | |
1300 | * | |
1301 | * Called by the user via ioctl. | |
1302 | * | |
1303 | * RETURNS: | |
1304 | * Zero on success, errno on failure. | |
1305 | */ | |
1306 | int drm_mode_getconnector(struct drm_device *dev, void *data, | |
1307 | struct drm_file *file_priv) | |
1308 | { | |
1309 | struct drm_mode_get_connector *out_resp = data; | |
1310 | struct drm_mode_object *obj; | |
1311 | struct drm_connector *connector; | |
1312 | struct drm_display_mode *mode; | |
1313 | int mode_count = 0; | |
1314 | int props_count = 0; | |
1315 | int encoders_count = 0; | |
1316 | int ret = 0; | |
1317 | int copied = 0; | |
1318 | int i; | |
1319 | struct drm_mode_modeinfo u_mode; | |
1320 | struct drm_mode_modeinfo __user *mode_ptr; | |
1321 | uint32_t __user *prop_ptr; | |
1322 | uint64_t __user *prop_values; | |
1323 | uint32_t __user *encoder_ptr; | |
1324 | ||
fb3b06c8 DA |
1325 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1326 | return -EINVAL; | |
1327 | ||
f453ba04 DA |
1328 | memset(&u_mode, 0, sizeof(struct drm_mode_modeinfo)); |
1329 | ||
9440106b | 1330 | DRM_DEBUG_KMS("[CONNECTOR:%d:?]\n", out_resp->connector_id); |
f453ba04 DA |
1331 | |
1332 | mutex_lock(&dev->mode_config.mutex); | |
1333 | ||
1334 | obj = drm_mode_object_find(dev, out_resp->connector_id, | |
1335 | DRM_MODE_OBJECT_CONNECTOR); | |
1336 | if (!obj) { | |
1337 | ret = -EINVAL; | |
1338 | goto out; | |
1339 | } | |
1340 | connector = obj_to_connector(obj); | |
1341 | ||
1342 | for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { | |
1343 | if (connector->property_ids[i] != 0) { | |
1344 | props_count++; | |
1345 | } | |
1346 | } | |
1347 | ||
1348 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { | |
1349 | if (connector->encoder_ids[i] != 0) { | |
1350 | encoders_count++; | |
1351 | } | |
1352 | } | |
1353 | ||
1354 | if (out_resp->count_modes == 0) { | |
1355 | connector->funcs->fill_modes(connector, | |
1356 | dev->mode_config.max_width, | |
1357 | dev->mode_config.max_height); | |
1358 | } | |
1359 | ||
1360 | /* delayed so we get modes regardless of pre-fill_modes state */ | |
1361 | list_for_each_entry(mode, &connector->modes, head) | |
1362 | mode_count++; | |
1363 | ||
1364 | out_resp->connector_id = connector->base.id; | |
1365 | out_resp->connector_type = connector->connector_type; | |
1366 | out_resp->connector_type_id = connector->connector_type_id; | |
1367 | out_resp->mm_width = connector->display_info.width_mm; | |
1368 | out_resp->mm_height = connector->display_info.height_mm; | |
1369 | out_resp->subpixel = connector->display_info.subpixel_order; | |
1370 | out_resp->connection = connector->status; | |
1371 | if (connector->encoder) | |
1372 | out_resp->encoder_id = connector->encoder->base.id; | |
1373 | else | |
1374 | out_resp->encoder_id = 0; | |
1375 | ||
1376 | /* | |
1377 | * This ioctl is called twice, once to determine how much space is | |
1378 | * needed, and the 2nd time to fill it. | |
1379 | */ | |
1380 | if ((out_resp->count_modes >= mode_count) && mode_count) { | |
1381 | copied = 0; | |
1382 | mode_ptr = (struct drm_mode_modeinfo *)(unsigned long)out_resp->modes_ptr; | |
1383 | list_for_each_entry(mode, &connector->modes, head) { | |
1384 | drm_crtc_convert_to_umode(&u_mode, mode); | |
1385 | if (copy_to_user(mode_ptr + copied, | |
1386 | &u_mode, sizeof(u_mode))) { | |
1387 | ret = -EFAULT; | |
1388 | goto out; | |
1389 | } | |
1390 | copied++; | |
1391 | } | |
1392 | } | |
1393 | out_resp->count_modes = mode_count; | |
1394 | ||
1395 | if ((out_resp->count_props >= props_count) && props_count) { | |
1396 | copied = 0; | |
1397 | prop_ptr = (uint32_t *)(unsigned long)(out_resp->props_ptr); | |
1398 | prop_values = (uint64_t *)(unsigned long)(out_resp->prop_values_ptr); | |
1399 | for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { | |
1400 | if (connector->property_ids[i] != 0) { | |
1401 | if (put_user(connector->property_ids[i], | |
1402 | prop_ptr + copied)) { | |
1403 | ret = -EFAULT; | |
1404 | goto out; | |
1405 | } | |
1406 | ||
1407 | if (put_user(connector->property_values[i], | |
1408 | prop_values + copied)) { | |
1409 | ret = -EFAULT; | |
1410 | goto out; | |
1411 | } | |
1412 | copied++; | |
1413 | } | |
1414 | } | |
1415 | } | |
1416 | out_resp->count_props = props_count; | |
1417 | ||
1418 | if ((out_resp->count_encoders >= encoders_count) && encoders_count) { | |
1419 | copied = 0; | |
1420 | encoder_ptr = (uint32_t *)(unsigned long)(out_resp->encoders_ptr); | |
1421 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { | |
1422 | if (connector->encoder_ids[i] != 0) { | |
1423 | if (put_user(connector->encoder_ids[i], | |
1424 | encoder_ptr + copied)) { | |
1425 | ret = -EFAULT; | |
1426 | goto out; | |
1427 | } | |
1428 | copied++; | |
1429 | } | |
1430 | } | |
1431 | } | |
1432 | out_resp->count_encoders = encoders_count; | |
1433 | ||
1434 | out: | |
1435 | mutex_unlock(&dev->mode_config.mutex); | |
1436 | return ret; | |
1437 | } | |
1438 | ||
1439 | int drm_mode_getencoder(struct drm_device *dev, void *data, | |
1440 | struct drm_file *file_priv) | |
1441 | { | |
1442 | struct drm_mode_get_encoder *enc_resp = data; | |
1443 | struct drm_mode_object *obj; | |
1444 | struct drm_encoder *encoder; | |
1445 | int ret = 0; | |
1446 | ||
fb3b06c8 DA |
1447 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1448 | return -EINVAL; | |
1449 | ||
f453ba04 DA |
1450 | mutex_lock(&dev->mode_config.mutex); |
1451 | obj = drm_mode_object_find(dev, enc_resp->encoder_id, | |
1452 | DRM_MODE_OBJECT_ENCODER); | |
1453 | if (!obj) { | |
1454 | ret = -EINVAL; | |
1455 | goto out; | |
1456 | } | |
1457 | encoder = obj_to_encoder(obj); | |
1458 | ||
1459 | if (encoder->crtc) | |
1460 | enc_resp->crtc_id = encoder->crtc->base.id; | |
1461 | else | |
1462 | enc_resp->crtc_id = 0; | |
1463 | enc_resp->encoder_type = encoder->encoder_type; | |
1464 | enc_resp->encoder_id = encoder->base.id; | |
1465 | enc_resp->possible_crtcs = encoder->possible_crtcs; | |
1466 | enc_resp->possible_clones = encoder->possible_clones; | |
1467 | ||
1468 | out: | |
1469 | mutex_unlock(&dev->mode_config.mutex); | |
1470 | return ret; | |
1471 | } | |
1472 | ||
1473 | /** | |
1474 | * drm_mode_setcrtc - set CRTC configuration | |
1475 | * @inode: inode from the ioctl | |
1476 | * @filp: file * from the ioctl | |
1477 | * @cmd: cmd from ioctl | |
1478 | * @arg: arg from ioctl | |
1479 | * | |
1480 | * LOCKING: | |
1481 | * Caller? (FIXME) | |
1482 | * | |
1483 | * Build a new CRTC configuration based on user request. | |
1484 | * | |
1485 | * Called by the user via ioctl. | |
1486 | * | |
1487 | * RETURNS: | |
1488 | * Zero on success, errno on failure. | |
1489 | */ | |
1490 | int drm_mode_setcrtc(struct drm_device *dev, void *data, | |
1491 | struct drm_file *file_priv) | |
1492 | { | |
1493 | struct drm_mode_config *config = &dev->mode_config; | |
1494 | struct drm_mode_crtc *crtc_req = data; | |
1495 | struct drm_mode_object *obj; | |
1496 | struct drm_crtc *crtc, *crtcfb; | |
1497 | struct drm_connector **connector_set = NULL, *connector; | |
1498 | struct drm_framebuffer *fb = NULL; | |
1499 | struct drm_display_mode *mode = NULL; | |
1500 | struct drm_mode_set set; | |
1501 | uint32_t __user *set_connectors_ptr; | |
1502 | int ret = 0; | |
1503 | int i; | |
1504 | ||
fb3b06c8 DA |
1505 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1506 | return -EINVAL; | |
1507 | ||
f453ba04 DA |
1508 | mutex_lock(&dev->mode_config.mutex); |
1509 | obj = drm_mode_object_find(dev, crtc_req->crtc_id, | |
1510 | DRM_MODE_OBJECT_CRTC); | |
1511 | if (!obj) { | |
58367ed6 | 1512 | DRM_DEBUG_KMS("Unknown CRTC ID %d\n", crtc_req->crtc_id); |
f453ba04 DA |
1513 | ret = -EINVAL; |
1514 | goto out; | |
1515 | } | |
1516 | crtc = obj_to_crtc(obj); | |
9440106b | 1517 | DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id); |
f453ba04 DA |
1518 | |
1519 | if (crtc_req->mode_valid) { | |
1520 | /* If we have a mode we need a framebuffer. */ | |
1521 | /* If we pass -1, set the mode with the currently bound fb */ | |
1522 | if (crtc_req->fb_id == -1) { | |
1523 | list_for_each_entry(crtcfb, | |
1524 | &dev->mode_config.crtc_list, head) { | |
1525 | if (crtcfb == crtc) { | |
58367ed6 ZY |
1526 | DRM_DEBUG_KMS("Using current fb for " |
1527 | "setmode\n"); | |
f453ba04 DA |
1528 | fb = crtc->fb; |
1529 | } | |
1530 | } | |
1531 | } else { | |
1532 | obj = drm_mode_object_find(dev, crtc_req->fb_id, | |
1533 | DRM_MODE_OBJECT_FB); | |
1534 | if (!obj) { | |
58367ed6 ZY |
1535 | DRM_DEBUG_KMS("Unknown FB ID%d\n", |
1536 | crtc_req->fb_id); | |
f453ba04 DA |
1537 | ret = -EINVAL; |
1538 | goto out; | |
1539 | } | |
1540 | fb = obj_to_fb(obj); | |
1541 | } | |
1542 | ||
1543 | mode = drm_mode_create(dev); | |
1544 | drm_crtc_convert_umode(mode, &crtc_req->mode); | |
1545 | drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V); | |
1546 | } | |
1547 | ||
1548 | if (crtc_req->count_connectors == 0 && mode) { | |
58367ed6 | 1549 | DRM_DEBUG_KMS("Count connectors is 0 but mode set\n"); |
f453ba04 DA |
1550 | ret = -EINVAL; |
1551 | goto out; | |
1552 | } | |
1553 | ||
7781de74 | 1554 | if (crtc_req->count_connectors > 0 && (!mode || !fb)) { |
58367ed6 | 1555 | DRM_DEBUG_KMS("Count connectors is %d but no mode or fb set\n", |
f453ba04 DA |
1556 | crtc_req->count_connectors); |
1557 | ret = -EINVAL; | |
1558 | goto out; | |
1559 | } | |
1560 | ||
1561 | if (crtc_req->count_connectors > 0) { | |
1562 | u32 out_id; | |
1563 | ||
1564 | /* Avoid unbounded kernel memory allocation */ | |
1565 | if (crtc_req->count_connectors > config->num_connector) { | |
1566 | ret = -EINVAL; | |
1567 | goto out; | |
1568 | } | |
1569 | ||
1570 | connector_set = kmalloc(crtc_req->count_connectors * | |
1571 | sizeof(struct drm_connector *), | |
1572 | GFP_KERNEL); | |
1573 | if (!connector_set) { | |
1574 | ret = -ENOMEM; | |
1575 | goto out; | |
1576 | } | |
1577 | ||
1578 | for (i = 0; i < crtc_req->count_connectors; i++) { | |
1579 | set_connectors_ptr = (uint32_t *)(unsigned long)crtc_req->set_connectors_ptr; | |
1580 | if (get_user(out_id, &set_connectors_ptr[i])) { | |
1581 | ret = -EFAULT; | |
1582 | goto out; | |
1583 | } | |
1584 | ||
1585 | obj = drm_mode_object_find(dev, out_id, | |
1586 | DRM_MODE_OBJECT_CONNECTOR); | |
1587 | if (!obj) { | |
58367ed6 ZY |
1588 | DRM_DEBUG_KMS("Connector id %d unknown\n", |
1589 | out_id); | |
f453ba04 DA |
1590 | ret = -EINVAL; |
1591 | goto out; | |
1592 | } | |
1593 | connector = obj_to_connector(obj); | |
9440106b JG |
1594 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", |
1595 | connector->base.id, | |
1596 | drm_get_connector_name(connector)); | |
f453ba04 DA |
1597 | |
1598 | connector_set[i] = connector; | |
1599 | } | |
1600 | } | |
1601 | ||
1602 | set.crtc = crtc; | |
1603 | set.x = crtc_req->x; | |
1604 | set.y = crtc_req->y; | |
1605 | set.mode = mode; | |
1606 | set.connectors = connector_set; | |
1607 | set.num_connectors = crtc_req->count_connectors; | |
5ef5f72f | 1608 | set.fb = fb; |
f453ba04 DA |
1609 | ret = crtc->funcs->set_config(&set); |
1610 | ||
1611 | out: | |
1612 | kfree(connector_set); | |
1613 | mutex_unlock(&dev->mode_config.mutex); | |
1614 | return ret; | |
1615 | } | |
1616 | ||
1617 | int drm_mode_cursor_ioctl(struct drm_device *dev, | |
1618 | void *data, struct drm_file *file_priv) | |
1619 | { | |
1620 | struct drm_mode_cursor *req = data; | |
1621 | struct drm_mode_object *obj; | |
1622 | struct drm_crtc *crtc; | |
1623 | int ret = 0; | |
1624 | ||
fb3b06c8 DA |
1625 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1626 | return -EINVAL; | |
1627 | ||
f453ba04 DA |
1628 | if (!req->flags) { |
1629 | DRM_ERROR("no operation set\n"); | |
1630 | return -EINVAL; | |
1631 | } | |
1632 | ||
1633 | mutex_lock(&dev->mode_config.mutex); | |
e0c8463a | 1634 | obj = drm_mode_object_find(dev, req->crtc_id, DRM_MODE_OBJECT_CRTC); |
f453ba04 | 1635 | if (!obj) { |
58367ed6 | 1636 | DRM_DEBUG_KMS("Unknown CRTC ID %d\n", req->crtc_id); |
f453ba04 DA |
1637 | ret = -EINVAL; |
1638 | goto out; | |
1639 | } | |
1640 | crtc = obj_to_crtc(obj); | |
1641 | ||
1642 | if (req->flags & DRM_MODE_CURSOR_BO) { | |
1643 | if (!crtc->funcs->cursor_set) { | |
1644 | DRM_ERROR("crtc does not support cursor\n"); | |
1645 | ret = -ENXIO; | |
1646 | goto out; | |
1647 | } | |
1648 | /* Turns off the cursor if handle is 0 */ | |
1649 | ret = crtc->funcs->cursor_set(crtc, file_priv, req->handle, | |
1650 | req->width, req->height); | |
1651 | } | |
1652 | ||
1653 | if (req->flags & DRM_MODE_CURSOR_MOVE) { | |
1654 | if (crtc->funcs->cursor_move) { | |
1655 | ret = crtc->funcs->cursor_move(crtc, req->x, req->y); | |
1656 | } else { | |
1657 | DRM_ERROR("crtc does not support cursor\n"); | |
1658 | ret = -EFAULT; | |
1659 | goto out; | |
1660 | } | |
1661 | } | |
1662 | out: | |
1663 | mutex_unlock(&dev->mode_config.mutex); | |
1664 | return ret; | |
1665 | } | |
1666 | ||
1667 | /** | |
1668 | * drm_mode_addfb - add an FB to the graphics configuration | |
1669 | * @inode: inode from the ioctl | |
1670 | * @filp: file * from the ioctl | |
1671 | * @cmd: cmd from ioctl | |
1672 | * @arg: arg from ioctl | |
1673 | * | |
1674 | * LOCKING: | |
1675 | * Takes mode config lock. | |
1676 | * | |
1677 | * Add a new FB to the specified CRTC, given a user request. | |
1678 | * | |
1679 | * Called by the user via ioctl. | |
1680 | * | |
1681 | * RETURNS: | |
1682 | * Zero on success, errno on failure. | |
1683 | */ | |
1684 | int drm_mode_addfb(struct drm_device *dev, | |
1685 | void *data, struct drm_file *file_priv) | |
1686 | { | |
1687 | struct drm_mode_fb_cmd *r = data; | |
1688 | struct drm_mode_config *config = &dev->mode_config; | |
1689 | struct drm_framebuffer *fb; | |
1690 | int ret = 0; | |
1691 | ||
fb3b06c8 DA |
1692 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1693 | return -EINVAL; | |
1694 | ||
f453ba04 DA |
1695 | if ((config->min_width > r->width) || (r->width > config->max_width)) { |
1696 | DRM_ERROR("mode new framebuffer width not within limits\n"); | |
1697 | return -EINVAL; | |
1698 | } | |
1699 | if ((config->min_height > r->height) || (r->height > config->max_height)) { | |
1700 | DRM_ERROR("mode new framebuffer height not within limits\n"); | |
1701 | return -EINVAL; | |
1702 | } | |
1703 | ||
1704 | mutex_lock(&dev->mode_config.mutex); | |
1705 | ||
25985edc | 1706 | /* TODO check buffer is sufficiently large */ |
f453ba04 DA |
1707 | /* TODO setup destructor callback */ |
1708 | ||
1709 | fb = dev->mode_config.funcs->fb_create(dev, file_priv, r); | |
cce13ff7 | 1710 | if (IS_ERR(fb)) { |
f453ba04 | 1711 | DRM_ERROR("could not create framebuffer\n"); |
cce13ff7 | 1712 | ret = PTR_ERR(fb); |
f453ba04 DA |
1713 | goto out; |
1714 | } | |
1715 | ||
e0c8463a | 1716 | r->fb_id = fb->base.id; |
f453ba04 | 1717 | list_add(&fb->filp_head, &file_priv->fbs); |
9440106b | 1718 | DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id); |
f453ba04 DA |
1719 | |
1720 | out: | |
1721 | mutex_unlock(&dev->mode_config.mutex); | |
1722 | return ret; | |
1723 | } | |
1724 | ||
1725 | /** | |
1726 | * drm_mode_rmfb - remove an FB from the configuration | |
1727 | * @inode: inode from the ioctl | |
1728 | * @filp: file * from the ioctl | |
1729 | * @cmd: cmd from ioctl | |
1730 | * @arg: arg from ioctl | |
1731 | * | |
1732 | * LOCKING: | |
1733 | * Takes mode config lock. | |
1734 | * | |
1735 | * Remove the FB specified by the user. | |
1736 | * | |
1737 | * Called by the user via ioctl. | |
1738 | * | |
1739 | * RETURNS: | |
1740 | * Zero on success, errno on failure. | |
1741 | */ | |
1742 | int drm_mode_rmfb(struct drm_device *dev, | |
1743 | void *data, struct drm_file *file_priv) | |
1744 | { | |
1745 | struct drm_mode_object *obj; | |
1746 | struct drm_framebuffer *fb = NULL; | |
1747 | struct drm_framebuffer *fbl = NULL; | |
1748 | uint32_t *id = data; | |
1749 | int ret = 0; | |
1750 | int found = 0; | |
1751 | ||
fb3b06c8 DA |
1752 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1753 | return -EINVAL; | |
1754 | ||
f453ba04 DA |
1755 | mutex_lock(&dev->mode_config.mutex); |
1756 | obj = drm_mode_object_find(dev, *id, DRM_MODE_OBJECT_FB); | |
25985edc | 1757 | /* TODO check that we really get a framebuffer back. */ |
f453ba04 DA |
1758 | if (!obj) { |
1759 | DRM_ERROR("mode invalid framebuffer id\n"); | |
1760 | ret = -EINVAL; | |
1761 | goto out; | |
1762 | } | |
1763 | fb = obj_to_fb(obj); | |
1764 | ||
1765 | list_for_each_entry(fbl, &file_priv->fbs, filp_head) | |
1766 | if (fb == fbl) | |
1767 | found = 1; | |
1768 | ||
1769 | if (!found) { | |
1770 | DRM_ERROR("tried to remove a fb that we didn't own\n"); | |
1771 | ret = -EINVAL; | |
1772 | goto out; | |
1773 | } | |
1774 | ||
1775 | /* TODO release all crtc connected to the framebuffer */ | |
1776 | /* TODO unhock the destructor from the buffer object */ | |
1777 | ||
1778 | list_del(&fb->filp_head); | |
1779 | fb->funcs->destroy(fb); | |
1780 | ||
1781 | out: | |
1782 | mutex_unlock(&dev->mode_config.mutex); | |
1783 | return ret; | |
1784 | } | |
1785 | ||
1786 | /** | |
1787 | * drm_mode_getfb - get FB info | |
1788 | * @inode: inode from the ioctl | |
1789 | * @filp: file * from the ioctl | |
1790 | * @cmd: cmd from ioctl | |
1791 | * @arg: arg from ioctl | |
1792 | * | |
1793 | * LOCKING: | |
1794 | * Caller? (FIXME) | |
1795 | * | |
1796 | * Lookup the FB given its ID and return info about it. | |
1797 | * | |
1798 | * Called by the user via ioctl. | |
1799 | * | |
1800 | * RETURNS: | |
1801 | * Zero on success, errno on failure. | |
1802 | */ | |
1803 | int drm_mode_getfb(struct drm_device *dev, | |
1804 | void *data, struct drm_file *file_priv) | |
1805 | { | |
1806 | struct drm_mode_fb_cmd *r = data; | |
1807 | struct drm_mode_object *obj; | |
1808 | struct drm_framebuffer *fb; | |
1809 | int ret = 0; | |
1810 | ||
fb3b06c8 DA |
1811 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1812 | return -EINVAL; | |
1813 | ||
f453ba04 | 1814 | mutex_lock(&dev->mode_config.mutex); |
e0c8463a | 1815 | obj = drm_mode_object_find(dev, r->fb_id, DRM_MODE_OBJECT_FB); |
f453ba04 DA |
1816 | if (!obj) { |
1817 | DRM_ERROR("invalid framebuffer id\n"); | |
1818 | ret = -EINVAL; | |
1819 | goto out; | |
1820 | } | |
1821 | fb = obj_to_fb(obj); | |
1822 | ||
1823 | r->height = fb->height; | |
1824 | r->width = fb->width; | |
1825 | r->depth = fb->depth; | |
1826 | r->bpp = fb->bits_per_pixel; | |
1827 | r->pitch = fb->pitch; | |
1828 | fb->funcs->create_handle(fb, file_priv, &r->handle); | |
1829 | ||
1830 | out: | |
1831 | mutex_unlock(&dev->mode_config.mutex); | |
1832 | return ret; | |
1833 | } | |
1834 | ||
884840aa JB |
1835 | int drm_mode_dirtyfb_ioctl(struct drm_device *dev, |
1836 | void *data, struct drm_file *file_priv) | |
1837 | { | |
1838 | struct drm_clip_rect __user *clips_ptr; | |
1839 | struct drm_clip_rect *clips = NULL; | |
1840 | struct drm_mode_fb_dirty_cmd *r = data; | |
1841 | struct drm_mode_object *obj; | |
1842 | struct drm_framebuffer *fb; | |
1843 | unsigned flags; | |
1844 | int num_clips; | |
1845 | int ret = 0; | |
1846 | ||
fb3b06c8 DA |
1847 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1848 | return -EINVAL; | |
1849 | ||
884840aa JB |
1850 | mutex_lock(&dev->mode_config.mutex); |
1851 | obj = drm_mode_object_find(dev, r->fb_id, DRM_MODE_OBJECT_FB); | |
1852 | if (!obj) { | |
1853 | DRM_ERROR("invalid framebuffer id\n"); | |
1854 | ret = -EINVAL; | |
1855 | goto out_err1; | |
1856 | } | |
1857 | fb = obj_to_fb(obj); | |
1858 | ||
1859 | num_clips = r->num_clips; | |
1860 | clips_ptr = (struct drm_clip_rect *)(unsigned long)r->clips_ptr; | |
1861 | ||
1862 | if (!num_clips != !clips_ptr) { | |
1863 | ret = -EINVAL; | |
1864 | goto out_err1; | |
1865 | } | |
1866 | ||
1867 | flags = DRM_MODE_FB_DIRTY_FLAGS & r->flags; | |
1868 | ||
1869 | /* If userspace annotates copy, clips must come in pairs */ | |
1870 | if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY && (num_clips % 2)) { | |
1871 | ret = -EINVAL; | |
1872 | goto out_err1; | |
1873 | } | |
1874 | ||
1875 | if (num_clips && clips_ptr) { | |
1876 | clips = kzalloc(num_clips * sizeof(*clips), GFP_KERNEL); | |
1877 | if (!clips) { | |
1878 | ret = -ENOMEM; | |
1879 | goto out_err1; | |
1880 | } | |
1881 | ||
1882 | ret = copy_from_user(clips, clips_ptr, | |
1883 | num_clips * sizeof(*clips)); | |
e902a358 DC |
1884 | if (ret) { |
1885 | ret = -EFAULT; | |
884840aa | 1886 | goto out_err2; |
e902a358 | 1887 | } |
884840aa JB |
1888 | } |
1889 | ||
1890 | if (fb->funcs->dirty) { | |
02b00162 TH |
1891 | ret = fb->funcs->dirty(fb, file_priv, flags, r->color, |
1892 | clips, num_clips); | |
884840aa JB |
1893 | } else { |
1894 | ret = -ENOSYS; | |
1895 | goto out_err2; | |
1896 | } | |
1897 | ||
1898 | out_err2: | |
1899 | kfree(clips); | |
1900 | out_err1: | |
1901 | mutex_unlock(&dev->mode_config.mutex); | |
1902 | return ret; | |
1903 | } | |
1904 | ||
1905 | ||
f453ba04 DA |
1906 | /** |
1907 | * drm_fb_release - remove and free the FBs on this file | |
1908 | * @filp: file * from the ioctl | |
1909 | * | |
1910 | * LOCKING: | |
1911 | * Takes mode config lock. | |
1912 | * | |
1913 | * Destroy all the FBs associated with @filp. | |
1914 | * | |
1915 | * Called by the user via ioctl. | |
1916 | * | |
1917 | * RETURNS: | |
1918 | * Zero on success, errno on failure. | |
1919 | */ | |
ea39f835 | 1920 | void drm_fb_release(struct drm_file *priv) |
f453ba04 | 1921 | { |
f453ba04 DA |
1922 | struct drm_device *dev = priv->minor->dev; |
1923 | struct drm_framebuffer *fb, *tfb; | |
1924 | ||
1925 | mutex_lock(&dev->mode_config.mutex); | |
1926 | list_for_each_entry_safe(fb, tfb, &priv->fbs, filp_head) { | |
1927 | list_del(&fb->filp_head); | |
1928 | fb->funcs->destroy(fb); | |
1929 | } | |
1930 | mutex_unlock(&dev->mode_config.mutex); | |
1931 | } | |
1932 | ||
1933 | /** | |
1934 | * drm_mode_attachmode - add a mode to the user mode list | |
1935 | * @dev: DRM device | |
1936 | * @connector: connector to add the mode to | |
1937 | * @mode: mode to add | |
1938 | * | |
1939 | * Add @mode to @connector's user mode list. | |
1940 | */ | |
1941 | static int drm_mode_attachmode(struct drm_device *dev, | |
1942 | struct drm_connector *connector, | |
1943 | struct drm_display_mode *mode) | |
1944 | { | |
1945 | int ret = 0; | |
1946 | ||
1947 | list_add_tail(&mode->head, &connector->user_modes); | |
1948 | return ret; | |
1949 | } | |
1950 | ||
1951 | int drm_mode_attachmode_crtc(struct drm_device *dev, struct drm_crtc *crtc, | |
1952 | struct drm_display_mode *mode) | |
1953 | { | |
1954 | struct drm_connector *connector; | |
1955 | int ret = 0; | |
1956 | struct drm_display_mode *dup_mode; | |
1957 | int need_dup = 0; | |
1958 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { | |
1959 | if (!connector->encoder) | |
1960 | break; | |
1961 | if (connector->encoder->crtc == crtc) { | |
1962 | if (need_dup) | |
1963 | dup_mode = drm_mode_duplicate(dev, mode); | |
1964 | else | |
1965 | dup_mode = mode; | |
1966 | ret = drm_mode_attachmode(dev, connector, dup_mode); | |
1967 | if (ret) | |
1968 | return ret; | |
1969 | need_dup = 1; | |
1970 | } | |
1971 | } | |
1972 | return 0; | |
1973 | } | |
1974 | EXPORT_SYMBOL(drm_mode_attachmode_crtc); | |
1975 | ||
1976 | static int drm_mode_detachmode(struct drm_device *dev, | |
1977 | struct drm_connector *connector, | |
1978 | struct drm_display_mode *mode) | |
1979 | { | |
1980 | int found = 0; | |
1981 | int ret = 0; | |
1982 | struct drm_display_mode *match_mode, *t; | |
1983 | ||
1984 | list_for_each_entry_safe(match_mode, t, &connector->user_modes, head) { | |
1985 | if (drm_mode_equal(match_mode, mode)) { | |
1986 | list_del(&match_mode->head); | |
1987 | drm_mode_destroy(dev, match_mode); | |
1988 | found = 1; | |
1989 | break; | |
1990 | } | |
1991 | } | |
1992 | ||
1993 | if (!found) | |
1994 | ret = -EINVAL; | |
1995 | ||
1996 | return ret; | |
1997 | } | |
1998 | ||
1999 | int drm_mode_detachmode_crtc(struct drm_device *dev, struct drm_display_mode *mode) | |
2000 | { | |
2001 | struct drm_connector *connector; | |
2002 | ||
2003 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { | |
2004 | drm_mode_detachmode(dev, connector, mode); | |
2005 | } | |
2006 | return 0; | |
2007 | } | |
2008 | EXPORT_SYMBOL(drm_mode_detachmode_crtc); | |
2009 | ||
2010 | /** | |
2011 | * drm_fb_attachmode - Attach a user mode to an connector | |
2012 | * @inode: inode from the ioctl | |
2013 | * @filp: file * from the ioctl | |
2014 | * @cmd: cmd from ioctl | |
2015 | * @arg: arg from ioctl | |
2016 | * | |
2017 | * This attaches a user specified mode to an connector. | |
2018 | * Called by the user via ioctl. | |
2019 | * | |
2020 | * RETURNS: | |
2021 | * Zero on success, errno on failure. | |
2022 | */ | |
2023 | int drm_mode_attachmode_ioctl(struct drm_device *dev, | |
2024 | void *data, struct drm_file *file_priv) | |
2025 | { | |
2026 | struct drm_mode_mode_cmd *mode_cmd = data; | |
2027 | struct drm_connector *connector; | |
2028 | struct drm_display_mode *mode; | |
2029 | struct drm_mode_object *obj; | |
2030 | struct drm_mode_modeinfo *umode = &mode_cmd->mode; | |
2031 | int ret = 0; | |
2032 | ||
fb3b06c8 DA |
2033 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2034 | return -EINVAL; | |
2035 | ||
f453ba04 DA |
2036 | mutex_lock(&dev->mode_config.mutex); |
2037 | ||
2038 | obj = drm_mode_object_find(dev, mode_cmd->connector_id, DRM_MODE_OBJECT_CONNECTOR); | |
2039 | if (!obj) { | |
2040 | ret = -EINVAL; | |
2041 | goto out; | |
2042 | } | |
2043 | connector = obj_to_connector(obj); | |
2044 | ||
2045 | mode = drm_mode_create(dev); | |
2046 | if (!mode) { | |
2047 | ret = -ENOMEM; | |
2048 | goto out; | |
2049 | } | |
2050 | ||
2051 | drm_crtc_convert_umode(mode, umode); | |
2052 | ||
2053 | ret = drm_mode_attachmode(dev, connector, mode); | |
2054 | out: | |
2055 | mutex_unlock(&dev->mode_config.mutex); | |
2056 | return ret; | |
2057 | } | |
2058 | ||
2059 | ||
2060 | /** | |
2061 | * drm_fb_detachmode - Detach a user specified mode from an connector | |
2062 | * @inode: inode from the ioctl | |
2063 | * @filp: file * from the ioctl | |
2064 | * @cmd: cmd from ioctl | |
2065 | * @arg: arg from ioctl | |
2066 | * | |
2067 | * Called by the user via ioctl. | |
2068 | * | |
2069 | * RETURNS: | |
2070 | * Zero on success, errno on failure. | |
2071 | */ | |
2072 | int drm_mode_detachmode_ioctl(struct drm_device *dev, | |
2073 | void *data, struct drm_file *file_priv) | |
2074 | { | |
2075 | struct drm_mode_object *obj; | |
2076 | struct drm_mode_mode_cmd *mode_cmd = data; | |
2077 | struct drm_connector *connector; | |
2078 | struct drm_display_mode mode; | |
2079 | struct drm_mode_modeinfo *umode = &mode_cmd->mode; | |
2080 | int ret = 0; | |
2081 | ||
fb3b06c8 DA |
2082 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2083 | return -EINVAL; | |
2084 | ||
f453ba04 DA |
2085 | mutex_lock(&dev->mode_config.mutex); |
2086 | ||
2087 | obj = drm_mode_object_find(dev, mode_cmd->connector_id, DRM_MODE_OBJECT_CONNECTOR); | |
2088 | if (!obj) { | |
2089 | ret = -EINVAL; | |
2090 | goto out; | |
2091 | } | |
2092 | connector = obj_to_connector(obj); | |
2093 | ||
2094 | drm_crtc_convert_umode(&mode, umode); | |
2095 | ret = drm_mode_detachmode(dev, connector, &mode); | |
2096 | out: | |
2097 | mutex_unlock(&dev->mode_config.mutex); | |
2098 | return ret; | |
2099 | } | |
2100 | ||
2101 | struct drm_property *drm_property_create(struct drm_device *dev, int flags, | |
2102 | const char *name, int num_values) | |
2103 | { | |
2104 | struct drm_property *property = NULL; | |
2105 | ||
2106 | property = kzalloc(sizeof(struct drm_property), GFP_KERNEL); | |
2107 | if (!property) | |
2108 | return NULL; | |
2109 | ||
2110 | if (num_values) { | |
2111 | property->values = kzalloc(sizeof(uint64_t)*num_values, GFP_KERNEL); | |
2112 | if (!property->values) | |
2113 | goto fail; | |
2114 | } | |
2115 | ||
2116 | drm_mode_object_get(dev, &property->base, DRM_MODE_OBJECT_PROPERTY); | |
2117 | property->flags = flags; | |
2118 | property->num_values = num_values; | |
2119 | INIT_LIST_HEAD(&property->enum_blob_list); | |
2120 | ||
2121 | if (name) | |
2122 | strncpy(property->name, name, DRM_PROP_NAME_LEN); | |
2123 | ||
2124 | list_add_tail(&property->head, &dev->mode_config.property_list); | |
2125 | return property; | |
2126 | fail: | |
2127 | kfree(property); | |
2128 | return NULL; | |
2129 | } | |
2130 | EXPORT_SYMBOL(drm_property_create); | |
2131 | ||
2132 | int drm_property_add_enum(struct drm_property *property, int index, | |
2133 | uint64_t value, const char *name) | |
2134 | { | |
2135 | struct drm_property_enum *prop_enum; | |
2136 | ||
2137 | if (!(property->flags & DRM_MODE_PROP_ENUM)) | |
2138 | return -EINVAL; | |
2139 | ||
2140 | if (!list_empty(&property->enum_blob_list)) { | |
2141 | list_for_each_entry(prop_enum, &property->enum_blob_list, head) { | |
2142 | if (prop_enum->value == value) { | |
2143 | strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); | |
2144 | prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; | |
2145 | return 0; | |
2146 | } | |
2147 | } | |
2148 | } | |
2149 | ||
2150 | prop_enum = kzalloc(sizeof(struct drm_property_enum), GFP_KERNEL); | |
2151 | if (!prop_enum) | |
2152 | return -ENOMEM; | |
2153 | ||
2154 | strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); | |
2155 | prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; | |
2156 | prop_enum->value = value; | |
2157 | ||
2158 | property->values[index] = value; | |
2159 | list_add_tail(&prop_enum->head, &property->enum_blob_list); | |
2160 | return 0; | |
2161 | } | |
2162 | EXPORT_SYMBOL(drm_property_add_enum); | |
2163 | ||
2164 | void drm_property_destroy(struct drm_device *dev, struct drm_property *property) | |
2165 | { | |
2166 | struct drm_property_enum *prop_enum, *pt; | |
2167 | ||
2168 | list_for_each_entry_safe(prop_enum, pt, &property->enum_blob_list, head) { | |
2169 | list_del(&prop_enum->head); | |
2170 | kfree(prop_enum); | |
2171 | } | |
2172 | ||
2173 | if (property->num_values) | |
2174 | kfree(property->values); | |
2175 | drm_mode_object_put(dev, &property->base); | |
2176 | list_del(&property->head); | |
2177 | kfree(property); | |
2178 | } | |
2179 | EXPORT_SYMBOL(drm_property_destroy); | |
2180 | ||
2181 | int drm_connector_attach_property(struct drm_connector *connector, | |
2182 | struct drm_property *property, uint64_t init_val) | |
2183 | { | |
2184 | int i; | |
2185 | ||
2186 | for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { | |
2187 | if (connector->property_ids[i] == 0) { | |
2188 | connector->property_ids[i] = property->base.id; | |
2189 | connector->property_values[i] = init_val; | |
2190 | break; | |
2191 | } | |
2192 | } | |
2193 | ||
2194 | if (i == DRM_CONNECTOR_MAX_PROPERTY) | |
2195 | return -EINVAL; | |
2196 | return 0; | |
2197 | } | |
2198 | EXPORT_SYMBOL(drm_connector_attach_property); | |
2199 | ||
2200 | int drm_connector_property_set_value(struct drm_connector *connector, | |
2201 | struct drm_property *property, uint64_t value) | |
2202 | { | |
2203 | int i; | |
2204 | ||
2205 | for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { | |
2206 | if (connector->property_ids[i] == property->base.id) { | |
2207 | connector->property_values[i] = value; | |
2208 | break; | |
2209 | } | |
2210 | } | |
2211 | ||
2212 | if (i == DRM_CONNECTOR_MAX_PROPERTY) | |
2213 | return -EINVAL; | |
2214 | return 0; | |
2215 | } | |
2216 | EXPORT_SYMBOL(drm_connector_property_set_value); | |
2217 | ||
2218 | int drm_connector_property_get_value(struct drm_connector *connector, | |
2219 | struct drm_property *property, uint64_t *val) | |
2220 | { | |
2221 | int i; | |
2222 | ||
2223 | for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { | |
2224 | if (connector->property_ids[i] == property->base.id) { | |
2225 | *val = connector->property_values[i]; | |
2226 | break; | |
2227 | } | |
2228 | } | |
2229 | ||
2230 | if (i == DRM_CONNECTOR_MAX_PROPERTY) | |
2231 | return -EINVAL; | |
2232 | return 0; | |
2233 | } | |
2234 | EXPORT_SYMBOL(drm_connector_property_get_value); | |
2235 | ||
2236 | int drm_mode_getproperty_ioctl(struct drm_device *dev, | |
2237 | void *data, struct drm_file *file_priv) | |
2238 | { | |
2239 | struct drm_mode_object *obj; | |
2240 | struct drm_mode_get_property *out_resp = data; | |
2241 | struct drm_property *property; | |
2242 | int enum_count = 0; | |
2243 | int blob_count = 0; | |
2244 | int value_count = 0; | |
2245 | int ret = 0, i; | |
2246 | int copied; | |
2247 | struct drm_property_enum *prop_enum; | |
2248 | struct drm_mode_property_enum __user *enum_ptr; | |
2249 | struct drm_property_blob *prop_blob; | |
2250 | uint32_t *blob_id_ptr; | |
2251 | uint64_t __user *values_ptr; | |
2252 | uint32_t __user *blob_length_ptr; | |
2253 | ||
fb3b06c8 DA |
2254 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2255 | return -EINVAL; | |
2256 | ||
f453ba04 DA |
2257 | mutex_lock(&dev->mode_config.mutex); |
2258 | obj = drm_mode_object_find(dev, out_resp->prop_id, DRM_MODE_OBJECT_PROPERTY); | |
2259 | if (!obj) { | |
2260 | ret = -EINVAL; | |
2261 | goto done; | |
2262 | } | |
2263 | property = obj_to_property(obj); | |
2264 | ||
2265 | if (property->flags & DRM_MODE_PROP_ENUM) { | |
2266 | list_for_each_entry(prop_enum, &property->enum_blob_list, head) | |
2267 | enum_count++; | |
2268 | } else if (property->flags & DRM_MODE_PROP_BLOB) { | |
2269 | list_for_each_entry(prop_blob, &property->enum_blob_list, head) | |
2270 | blob_count++; | |
2271 | } | |
2272 | ||
2273 | value_count = property->num_values; | |
2274 | ||
2275 | strncpy(out_resp->name, property->name, DRM_PROP_NAME_LEN); | |
2276 | out_resp->name[DRM_PROP_NAME_LEN-1] = 0; | |
2277 | out_resp->flags = property->flags; | |
2278 | ||
2279 | if ((out_resp->count_values >= value_count) && value_count) { | |
2280 | values_ptr = (uint64_t *)(unsigned long)out_resp->values_ptr; | |
2281 | for (i = 0; i < value_count; i++) { | |
2282 | if (copy_to_user(values_ptr + i, &property->values[i], sizeof(uint64_t))) { | |
2283 | ret = -EFAULT; | |
2284 | goto done; | |
2285 | } | |
2286 | } | |
2287 | } | |
2288 | out_resp->count_values = value_count; | |
2289 | ||
2290 | if (property->flags & DRM_MODE_PROP_ENUM) { | |
2291 | if ((out_resp->count_enum_blobs >= enum_count) && enum_count) { | |
2292 | copied = 0; | |
2293 | enum_ptr = (struct drm_mode_property_enum *)(unsigned long)out_resp->enum_blob_ptr; | |
2294 | list_for_each_entry(prop_enum, &property->enum_blob_list, head) { | |
2295 | ||
2296 | if (copy_to_user(&enum_ptr[copied].value, &prop_enum->value, sizeof(uint64_t))) { | |
2297 | ret = -EFAULT; | |
2298 | goto done; | |
2299 | } | |
2300 | ||
2301 | if (copy_to_user(&enum_ptr[copied].name, | |
2302 | &prop_enum->name, DRM_PROP_NAME_LEN)) { | |
2303 | ret = -EFAULT; | |
2304 | goto done; | |
2305 | } | |
2306 | copied++; | |
2307 | } | |
2308 | } | |
2309 | out_resp->count_enum_blobs = enum_count; | |
2310 | } | |
2311 | ||
2312 | if (property->flags & DRM_MODE_PROP_BLOB) { | |
2313 | if ((out_resp->count_enum_blobs >= blob_count) && blob_count) { | |
2314 | copied = 0; | |
2315 | blob_id_ptr = (uint32_t *)(unsigned long)out_resp->enum_blob_ptr; | |
2316 | blob_length_ptr = (uint32_t *)(unsigned long)out_resp->values_ptr; | |
2317 | ||
2318 | list_for_each_entry(prop_blob, &property->enum_blob_list, head) { | |
2319 | if (put_user(prop_blob->base.id, blob_id_ptr + copied)) { | |
2320 | ret = -EFAULT; | |
2321 | goto done; | |
2322 | } | |
2323 | ||
2324 | if (put_user(prop_blob->length, blob_length_ptr + copied)) { | |
2325 | ret = -EFAULT; | |
2326 | goto done; | |
2327 | } | |
2328 | ||
2329 | copied++; | |
2330 | } | |
2331 | } | |
2332 | out_resp->count_enum_blobs = blob_count; | |
2333 | } | |
2334 | done: | |
2335 | mutex_unlock(&dev->mode_config.mutex); | |
2336 | return ret; | |
2337 | } | |
2338 | ||
2339 | static struct drm_property_blob *drm_property_create_blob(struct drm_device *dev, int length, | |
2340 | void *data) | |
2341 | { | |
2342 | struct drm_property_blob *blob; | |
2343 | ||
2344 | if (!length || !data) | |
2345 | return NULL; | |
2346 | ||
2347 | blob = kzalloc(sizeof(struct drm_property_blob)+length, GFP_KERNEL); | |
2348 | if (!blob) | |
2349 | return NULL; | |
2350 | ||
2351 | blob->data = (void *)((char *)blob + sizeof(struct drm_property_blob)); | |
2352 | blob->length = length; | |
2353 | ||
2354 | memcpy(blob->data, data, length); | |
2355 | ||
2356 | drm_mode_object_get(dev, &blob->base, DRM_MODE_OBJECT_BLOB); | |
2357 | ||
2358 | list_add_tail(&blob->head, &dev->mode_config.property_blob_list); | |
2359 | return blob; | |
2360 | } | |
2361 | ||
2362 | static void drm_property_destroy_blob(struct drm_device *dev, | |
2363 | struct drm_property_blob *blob) | |
2364 | { | |
2365 | drm_mode_object_put(dev, &blob->base); | |
2366 | list_del(&blob->head); | |
2367 | kfree(blob); | |
2368 | } | |
2369 | ||
2370 | int drm_mode_getblob_ioctl(struct drm_device *dev, | |
2371 | void *data, struct drm_file *file_priv) | |
2372 | { | |
2373 | struct drm_mode_object *obj; | |
2374 | struct drm_mode_get_blob *out_resp = data; | |
2375 | struct drm_property_blob *blob; | |
2376 | int ret = 0; | |
2377 | void *blob_ptr; | |
2378 | ||
fb3b06c8 DA |
2379 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2380 | return -EINVAL; | |
2381 | ||
f453ba04 DA |
2382 | mutex_lock(&dev->mode_config.mutex); |
2383 | obj = drm_mode_object_find(dev, out_resp->blob_id, DRM_MODE_OBJECT_BLOB); | |
2384 | if (!obj) { | |
2385 | ret = -EINVAL; | |
2386 | goto done; | |
2387 | } | |
2388 | blob = obj_to_blob(obj); | |
2389 | ||
2390 | if (out_resp->length == blob->length) { | |
2391 | blob_ptr = (void *)(unsigned long)out_resp->data; | |
2392 | if (copy_to_user(blob_ptr, blob->data, blob->length)){ | |
2393 | ret = -EFAULT; | |
2394 | goto done; | |
2395 | } | |
2396 | } | |
2397 | out_resp->length = blob->length; | |
2398 | ||
2399 | done: | |
2400 | mutex_unlock(&dev->mode_config.mutex); | |
2401 | return ret; | |
2402 | } | |
2403 | ||
2404 | int drm_mode_connector_update_edid_property(struct drm_connector *connector, | |
2405 | struct edid *edid) | |
2406 | { | |
2407 | struct drm_device *dev = connector->dev; | |
7466f4cc | 2408 | int ret = 0, size; |
f453ba04 DA |
2409 | |
2410 | if (connector->edid_blob_ptr) | |
2411 | drm_property_destroy_blob(dev, connector->edid_blob_ptr); | |
2412 | ||
2413 | /* Delete edid, when there is none. */ | |
2414 | if (!edid) { | |
2415 | connector->edid_blob_ptr = NULL; | |
2416 | ret = drm_connector_property_set_value(connector, dev->mode_config.edid_property, 0); | |
2417 | return ret; | |
2418 | } | |
2419 | ||
7466f4cc AJ |
2420 | size = EDID_LENGTH * (1 + edid->extensions); |
2421 | connector->edid_blob_ptr = drm_property_create_blob(connector->dev, | |
2422 | size, edid); | |
f453ba04 DA |
2423 | |
2424 | ret = drm_connector_property_set_value(connector, | |
2425 | dev->mode_config.edid_property, | |
2426 | connector->edid_blob_ptr->base.id); | |
2427 | ||
2428 | return ret; | |
2429 | } | |
2430 | EXPORT_SYMBOL(drm_mode_connector_update_edid_property); | |
2431 | ||
2432 | int drm_mode_connector_property_set_ioctl(struct drm_device *dev, | |
2433 | void *data, struct drm_file *file_priv) | |
2434 | { | |
2435 | struct drm_mode_connector_set_property *out_resp = data; | |
2436 | struct drm_mode_object *obj; | |
2437 | struct drm_property *property; | |
2438 | struct drm_connector *connector; | |
2439 | int ret = -EINVAL; | |
2440 | int i; | |
2441 | ||
fb3b06c8 DA |
2442 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2443 | return -EINVAL; | |
2444 | ||
f453ba04 DA |
2445 | mutex_lock(&dev->mode_config.mutex); |
2446 | ||
2447 | obj = drm_mode_object_find(dev, out_resp->connector_id, DRM_MODE_OBJECT_CONNECTOR); | |
2448 | if (!obj) { | |
2449 | goto out; | |
2450 | } | |
2451 | connector = obj_to_connector(obj); | |
2452 | ||
2453 | for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { | |
2454 | if (connector->property_ids[i] == out_resp->prop_id) | |
2455 | break; | |
2456 | } | |
2457 | ||
2458 | if (i == DRM_CONNECTOR_MAX_PROPERTY) { | |
2459 | goto out; | |
2460 | } | |
2461 | ||
2462 | obj = drm_mode_object_find(dev, out_resp->prop_id, DRM_MODE_OBJECT_PROPERTY); | |
2463 | if (!obj) { | |
2464 | goto out; | |
2465 | } | |
2466 | property = obj_to_property(obj); | |
2467 | ||
2468 | if (property->flags & DRM_MODE_PROP_IMMUTABLE) | |
2469 | goto out; | |
2470 | ||
2471 | if (property->flags & DRM_MODE_PROP_RANGE) { | |
2472 | if (out_resp->value < property->values[0]) | |
2473 | goto out; | |
2474 | ||
2475 | if (out_resp->value > property->values[1]) | |
2476 | goto out; | |
2477 | } else { | |
2478 | int found = 0; | |
2479 | for (i = 0; i < property->num_values; i++) { | |
2480 | if (property->values[i] == out_resp->value) { | |
2481 | found = 1; | |
2482 | break; | |
2483 | } | |
2484 | } | |
2485 | if (!found) { | |
2486 | goto out; | |
2487 | } | |
2488 | } | |
2489 | ||
c9fb15f6 KP |
2490 | /* Do DPMS ourselves */ |
2491 | if (property == connector->dev->mode_config.dpms_property) { | |
2492 | if (connector->funcs->dpms) | |
2493 | (*connector->funcs->dpms)(connector, (int) out_resp->value); | |
2494 | ret = 0; | |
2495 | } else if (connector->funcs->set_property) | |
f453ba04 DA |
2496 | ret = connector->funcs->set_property(connector, property, out_resp->value); |
2497 | ||
af901ca1 | 2498 | /* store the property value if successful */ |
f453ba04 DA |
2499 | if (!ret) |
2500 | drm_connector_property_set_value(connector, property, out_resp->value); | |
2501 | out: | |
2502 | mutex_unlock(&dev->mode_config.mutex); | |
2503 | return ret; | |
2504 | } | |
2505 | ||
f453ba04 DA |
2506 | int drm_mode_connector_attach_encoder(struct drm_connector *connector, |
2507 | struct drm_encoder *encoder) | |
2508 | { | |
2509 | int i; | |
2510 | ||
2511 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { | |
2512 | if (connector->encoder_ids[i] == 0) { | |
2513 | connector->encoder_ids[i] = encoder->base.id; | |
2514 | return 0; | |
2515 | } | |
2516 | } | |
2517 | return -ENOMEM; | |
2518 | } | |
2519 | EXPORT_SYMBOL(drm_mode_connector_attach_encoder); | |
2520 | ||
2521 | void drm_mode_connector_detach_encoder(struct drm_connector *connector, | |
2522 | struct drm_encoder *encoder) | |
2523 | { | |
2524 | int i; | |
2525 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { | |
2526 | if (connector->encoder_ids[i] == encoder->base.id) { | |
2527 | connector->encoder_ids[i] = 0; | |
2528 | if (connector->encoder == encoder) | |
2529 | connector->encoder = NULL; | |
2530 | break; | |
2531 | } | |
2532 | } | |
2533 | } | |
2534 | EXPORT_SYMBOL(drm_mode_connector_detach_encoder); | |
2535 | ||
2536 | bool drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc, | |
2537 | int gamma_size) | |
2538 | { | |
2539 | crtc->gamma_size = gamma_size; | |
2540 | ||
2541 | crtc->gamma_store = kzalloc(gamma_size * sizeof(uint16_t) * 3, GFP_KERNEL); | |
2542 | if (!crtc->gamma_store) { | |
2543 | crtc->gamma_size = 0; | |
2544 | return false; | |
2545 | } | |
2546 | ||
2547 | return true; | |
2548 | } | |
2549 | EXPORT_SYMBOL(drm_mode_crtc_set_gamma_size); | |
2550 | ||
2551 | int drm_mode_gamma_set_ioctl(struct drm_device *dev, | |
2552 | void *data, struct drm_file *file_priv) | |
2553 | { | |
2554 | struct drm_mode_crtc_lut *crtc_lut = data; | |
2555 | struct drm_mode_object *obj; | |
2556 | struct drm_crtc *crtc; | |
2557 | void *r_base, *g_base, *b_base; | |
2558 | int size; | |
2559 | int ret = 0; | |
2560 | ||
fb3b06c8 DA |
2561 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2562 | return -EINVAL; | |
2563 | ||
f453ba04 DA |
2564 | mutex_lock(&dev->mode_config.mutex); |
2565 | obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC); | |
2566 | if (!obj) { | |
2567 | ret = -EINVAL; | |
2568 | goto out; | |
2569 | } | |
2570 | crtc = obj_to_crtc(obj); | |
2571 | ||
2572 | /* memcpy into gamma store */ | |
2573 | if (crtc_lut->gamma_size != crtc->gamma_size) { | |
2574 | ret = -EINVAL; | |
2575 | goto out; | |
2576 | } | |
2577 | ||
2578 | size = crtc_lut->gamma_size * (sizeof(uint16_t)); | |
2579 | r_base = crtc->gamma_store; | |
2580 | if (copy_from_user(r_base, (void __user *)(unsigned long)crtc_lut->red, size)) { | |
2581 | ret = -EFAULT; | |
2582 | goto out; | |
2583 | } | |
2584 | ||
2585 | g_base = r_base + size; | |
2586 | if (copy_from_user(g_base, (void __user *)(unsigned long)crtc_lut->green, size)) { | |
2587 | ret = -EFAULT; | |
2588 | goto out; | |
2589 | } | |
2590 | ||
2591 | b_base = g_base + size; | |
2592 | if (copy_from_user(b_base, (void __user *)(unsigned long)crtc_lut->blue, size)) { | |
2593 | ret = -EFAULT; | |
2594 | goto out; | |
2595 | } | |
2596 | ||
7203425a | 2597 | crtc->funcs->gamma_set(crtc, r_base, g_base, b_base, 0, crtc->gamma_size); |
f453ba04 DA |
2598 | |
2599 | out: | |
2600 | mutex_unlock(&dev->mode_config.mutex); | |
2601 | return ret; | |
2602 | ||
2603 | } | |
2604 | ||
2605 | int drm_mode_gamma_get_ioctl(struct drm_device *dev, | |
2606 | void *data, struct drm_file *file_priv) | |
2607 | { | |
2608 | struct drm_mode_crtc_lut *crtc_lut = data; | |
2609 | struct drm_mode_object *obj; | |
2610 | struct drm_crtc *crtc; | |
2611 | void *r_base, *g_base, *b_base; | |
2612 | int size; | |
2613 | int ret = 0; | |
2614 | ||
fb3b06c8 DA |
2615 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2616 | return -EINVAL; | |
2617 | ||
f453ba04 DA |
2618 | mutex_lock(&dev->mode_config.mutex); |
2619 | obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC); | |
2620 | if (!obj) { | |
2621 | ret = -EINVAL; | |
2622 | goto out; | |
2623 | } | |
2624 | crtc = obj_to_crtc(obj); | |
2625 | ||
2626 | /* memcpy into gamma store */ | |
2627 | if (crtc_lut->gamma_size != crtc->gamma_size) { | |
2628 | ret = -EINVAL; | |
2629 | goto out; | |
2630 | } | |
2631 | ||
2632 | size = crtc_lut->gamma_size * (sizeof(uint16_t)); | |
2633 | r_base = crtc->gamma_store; | |
2634 | if (copy_to_user((void __user *)(unsigned long)crtc_lut->red, r_base, size)) { | |
2635 | ret = -EFAULT; | |
2636 | goto out; | |
2637 | } | |
2638 | ||
2639 | g_base = r_base + size; | |
2640 | if (copy_to_user((void __user *)(unsigned long)crtc_lut->green, g_base, size)) { | |
2641 | ret = -EFAULT; | |
2642 | goto out; | |
2643 | } | |
2644 | ||
2645 | b_base = g_base + size; | |
2646 | if (copy_to_user((void __user *)(unsigned long)crtc_lut->blue, b_base, size)) { | |
2647 | ret = -EFAULT; | |
2648 | goto out; | |
2649 | } | |
2650 | out: | |
2651 | mutex_unlock(&dev->mode_config.mutex); | |
2652 | return ret; | |
2653 | } | |
d91d8a3f KH |
2654 | |
2655 | int drm_mode_page_flip_ioctl(struct drm_device *dev, | |
2656 | void *data, struct drm_file *file_priv) | |
2657 | { | |
2658 | struct drm_mode_crtc_page_flip *page_flip = data; | |
2659 | struct drm_mode_object *obj; | |
2660 | struct drm_crtc *crtc; | |
2661 | struct drm_framebuffer *fb; | |
2662 | struct drm_pending_vblank_event *e = NULL; | |
2663 | unsigned long flags; | |
2664 | int ret = -EINVAL; | |
2665 | ||
2666 | if (page_flip->flags & ~DRM_MODE_PAGE_FLIP_FLAGS || | |
2667 | page_flip->reserved != 0) | |
2668 | return -EINVAL; | |
2669 | ||
2670 | mutex_lock(&dev->mode_config.mutex); | |
2671 | obj = drm_mode_object_find(dev, page_flip->crtc_id, DRM_MODE_OBJECT_CRTC); | |
2672 | if (!obj) | |
2673 | goto out; | |
2674 | crtc = obj_to_crtc(obj); | |
2675 | ||
90c1efdd CW |
2676 | if (crtc->fb == NULL) { |
2677 | /* The framebuffer is currently unbound, presumably | |
2678 | * due to a hotplug event, that userspace has not | |
2679 | * yet discovered. | |
2680 | */ | |
2681 | ret = -EBUSY; | |
2682 | goto out; | |
2683 | } | |
2684 | ||
d91d8a3f KH |
2685 | if (crtc->funcs->page_flip == NULL) |
2686 | goto out; | |
2687 | ||
2688 | obj = drm_mode_object_find(dev, page_flip->fb_id, DRM_MODE_OBJECT_FB); | |
2689 | if (!obj) | |
2690 | goto out; | |
2691 | fb = obj_to_fb(obj); | |
2692 | ||
2693 | if (page_flip->flags & DRM_MODE_PAGE_FLIP_EVENT) { | |
2694 | ret = -ENOMEM; | |
2695 | spin_lock_irqsave(&dev->event_lock, flags); | |
2696 | if (file_priv->event_space < sizeof e->event) { | |
2697 | spin_unlock_irqrestore(&dev->event_lock, flags); | |
2698 | goto out; | |
2699 | } | |
2700 | file_priv->event_space -= sizeof e->event; | |
2701 | spin_unlock_irqrestore(&dev->event_lock, flags); | |
2702 | ||
2703 | e = kzalloc(sizeof *e, GFP_KERNEL); | |
2704 | if (e == NULL) { | |
2705 | spin_lock_irqsave(&dev->event_lock, flags); | |
2706 | file_priv->event_space += sizeof e->event; | |
2707 | spin_unlock_irqrestore(&dev->event_lock, flags); | |
2708 | goto out; | |
2709 | } | |
2710 | ||
7bd4d7be | 2711 | e->event.base.type = DRM_EVENT_FLIP_COMPLETE; |
d91d8a3f KH |
2712 | e->event.base.length = sizeof e->event; |
2713 | e->event.user_data = page_flip->user_data; | |
2714 | e->base.event = &e->event.base; | |
2715 | e->base.file_priv = file_priv; | |
2716 | e->base.destroy = | |
2717 | (void (*) (struct drm_pending_event *)) kfree; | |
2718 | } | |
2719 | ||
2720 | ret = crtc->funcs->page_flip(crtc, fb, e); | |
2721 | if (ret) { | |
2722 | spin_lock_irqsave(&dev->event_lock, flags); | |
2723 | file_priv->event_space += sizeof e->event; | |
2724 | spin_unlock_irqrestore(&dev->event_lock, flags); | |
2725 | kfree(e); | |
2726 | } | |
2727 | ||
2728 | out: | |
2729 | mutex_unlock(&dev->mode_config.mutex); | |
2730 | return ret; | |
2731 | } | |
eb033556 CW |
2732 | |
2733 | void drm_mode_config_reset(struct drm_device *dev) | |
2734 | { | |
2735 | struct drm_crtc *crtc; | |
2736 | struct drm_encoder *encoder; | |
2737 | struct drm_connector *connector; | |
2738 | ||
2739 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) | |
2740 | if (crtc->funcs->reset) | |
2741 | crtc->funcs->reset(crtc); | |
2742 | ||
2743 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) | |
2744 | if (encoder->funcs->reset) | |
2745 | encoder->funcs->reset(encoder); | |
2746 | ||
2747 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) | |
2748 | if (connector->funcs->reset) | |
2749 | connector->funcs->reset(connector); | |
2750 | } | |
2751 | EXPORT_SYMBOL(drm_mode_config_reset); | |
ff72145b DA |
2752 | |
2753 | int drm_mode_create_dumb_ioctl(struct drm_device *dev, | |
2754 | void *data, struct drm_file *file_priv) | |
2755 | { | |
2756 | struct drm_mode_create_dumb *args = data; | |
2757 | ||
2758 | if (!dev->driver->dumb_create) | |
2759 | return -ENOSYS; | |
2760 | return dev->driver->dumb_create(file_priv, dev, args); | |
2761 | } | |
2762 | ||
2763 | int drm_mode_mmap_dumb_ioctl(struct drm_device *dev, | |
2764 | void *data, struct drm_file *file_priv) | |
2765 | { | |
2766 | struct drm_mode_map_dumb *args = data; | |
2767 | ||
2768 | /* call driver ioctl to get mmap offset */ | |
2769 | if (!dev->driver->dumb_map_offset) | |
2770 | return -ENOSYS; | |
2771 | ||
2772 | return dev->driver->dumb_map_offset(file_priv, dev, args->handle, &args->offset); | |
2773 | } | |
2774 | ||
2775 | int drm_mode_destroy_dumb_ioctl(struct drm_device *dev, | |
2776 | void *data, struct drm_file *file_priv) | |
2777 | { | |
2778 | struct drm_mode_destroy_dumb *args = data; | |
2779 | ||
2780 | if (!dev->driver->dumb_destroy) | |
2781 | return -ENOSYS; | |
2782 | ||
2783 | return dev->driver->dumb_destroy(file_priv, dev, args->handle); | |
2784 | } |