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