Commit | Line | Data |
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f453ba04 DA |
1 | /* |
2 | * Copyright (c) 2006-2008 Intel Corporation | |
3 | * Copyright (c) 2007 Dave Airlie <airlied@linux.ie> | |
4 | * Copyright (c) 2008 Red Hat Inc. | |
5 | * | |
6 | * DRM core CRTC related functions | |
7 | * | |
8 | * Permission to use, copy, modify, distribute, and sell this software and its | |
9 | * documentation for any purpose is hereby granted without fee, provided that | |
10 | * the above copyright notice appear in all copies and that both that copyright | |
11 | * notice and this permission notice appear in supporting documentation, and | |
12 | * that the name of the copyright holders not be used in advertising or | |
13 | * publicity pertaining to distribution of the software without specific, | |
14 | * written prior permission. The copyright holders make no representations | |
15 | * about the suitability of this software for any purpose. It is provided "as | |
16 | * is" without express or implied warranty. | |
17 | * | |
18 | * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, | |
19 | * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO | |
20 | * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR | |
21 | * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, | |
22 | * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER | |
23 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE | |
24 | * OF THIS SOFTWARE. | |
25 | * | |
26 | * Authors: | |
27 | * Keith Packard | |
28 | * Eric Anholt <eric@anholt.net> | |
29 | * Dave Airlie <airlied@linux.ie> | |
30 | * Jesse Barnes <jesse.barnes@intel.com> | |
31 | */ | |
32 | #include <linux/list.h> | |
5a0e3ad6 | 33 | #include <linux/slab.h> |
2d1a8a48 | 34 | #include <linux/export.h> |
760285e7 DH |
35 | #include <drm/drmP.h> |
36 | #include <drm/drm_crtc.h> | |
37 | #include <drm/drm_edid.h> | |
38 | #include <drm/drm_fourcc.h> | |
f453ba04 | 39 | |
84849903 DV |
40 | /** |
41 | * drm_modeset_lock_all - take all modeset locks | |
42 | * @dev: drm device | |
43 | * | |
44 | * This function takes all modeset locks, suitable where a more fine-grained | |
45 | * scheme isn't (yet) implemented. | |
46 | */ | |
47 | void drm_modeset_lock_all(struct drm_device *dev) | |
48 | { | |
29494c17 DV |
49 | struct drm_crtc *crtc; |
50 | ||
84849903 | 51 | mutex_lock(&dev->mode_config.mutex); |
29494c17 DV |
52 | |
53 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) | |
54 | mutex_lock_nest_lock(&crtc->mutex, &dev->mode_config.mutex); | |
84849903 DV |
55 | } |
56 | EXPORT_SYMBOL(drm_modeset_lock_all); | |
57 | ||
58 | /** | |
59 | * drm_modeset_unlock_all - drop all modeset locks | |
60 | * @dev: device | |
61 | */ | |
62 | void drm_modeset_unlock_all(struct drm_device *dev) | |
63 | { | |
29494c17 DV |
64 | struct drm_crtc *crtc; |
65 | ||
66 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) | |
67 | mutex_unlock(&crtc->mutex); | |
68 | ||
84849903 DV |
69 | mutex_unlock(&dev->mode_config.mutex); |
70 | } | |
71 | EXPORT_SYMBOL(drm_modeset_unlock_all); | |
72 | ||
6aed8ec3 DV |
73 | /** |
74 | * drm_warn_on_modeset_not_all_locked - check that all modeset locks are locked | |
75 | * @dev: device | |
76 | */ | |
77 | void drm_warn_on_modeset_not_all_locked(struct drm_device *dev) | |
78 | { | |
79 | struct drm_crtc *crtc; | |
80 | ||
a9b054e8 DV |
81 | /* Locking is currently fubar in the panic handler. */ |
82 | if (oops_in_progress) | |
83 | return; | |
84 | ||
6aed8ec3 DV |
85 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) |
86 | WARN_ON(!mutex_is_locked(&crtc->mutex)); | |
87 | ||
88 | WARN_ON(!mutex_is_locked(&dev->mode_config.mutex)); | |
89 | } | |
90 | EXPORT_SYMBOL(drm_warn_on_modeset_not_all_locked); | |
91 | ||
f453ba04 DA |
92 | /* Avoid boilerplate. I'm tired of typing. */ |
93 | #define DRM_ENUM_NAME_FN(fnname, list) \ | |
94 | char *fnname(int val) \ | |
95 | { \ | |
96 | int i; \ | |
97 | for (i = 0; i < ARRAY_SIZE(list); i++) { \ | |
98 | if (list[i].type == val) \ | |
99 | return list[i].name; \ | |
100 | } \ | |
101 | return "(unknown)"; \ | |
102 | } | |
103 | ||
104 | /* | |
105 | * Global properties | |
106 | */ | |
107 | static struct drm_prop_enum_list drm_dpms_enum_list[] = | |
108 | { { DRM_MODE_DPMS_ON, "On" }, | |
109 | { DRM_MODE_DPMS_STANDBY, "Standby" }, | |
110 | { DRM_MODE_DPMS_SUSPEND, "Suspend" }, | |
111 | { DRM_MODE_DPMS_OFF, "Off" } | |
112 | }; | |
113 | ||
114 | DRM_ENUM_NAME_FN(drm_get_dpms_name, drm_dpms_enum_list) | |
115 | ||
116 | /* | |
117 | * Optional properties | |
118 | */ | |
119 | static struct drm_prop_enum_list drm_scaling_mode_enum_list[] = | |
120 | { | |
53bd8389 JB |
121 | { DRM_MODE_SCALE_NONE, "None" }, |
122 | { DRM_MODE_SCALE_FULLSCREEN, "Full" }, | |
123 | { DRM_MODE_SCALE_CENTER, "Center" }, | |
124 | { DRM_MODE_SCALE_ASPECT, "Full aspect" }, | |
f453ba04 DA |
125 | }; |
126 | ||
127 | static struct drm_prop_enum_list drm_dithering_mode_enum_list[] = | |
128 | { | |
129 | { DRM_MODE_DITHERING_OFF, "Off" }, | |
130 | { DRM_MODE_DITHERING_ON, "On" }, | |
92897b5c | 131 | { DRM_MODE_DITHERING_AUTO, "Automatic" }, |
f453ba04 DA |
132 | }; |
133 | ||
134 | /* | |
135 | * Non-global properties, but "required" for certain connectors. | |
136 | */ | |
137 | static struct drm_prop_enum_list drm_dvi_i_select_enum_list[] = | |
138 | { | |
139 | { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */ | |
140 | { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */ | |
141 | { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */ | |
142 | }; | |
143 | ||
144 | DRM_ENUM_NAME_FN(drm_get_dvi_i_select_name, drm_dvi_i_select_enum_list) | |
145 | ||
146 | static struct drm_prop_enum_list drm_dvi_i_subconnector_enum_list[] = | |
147 | { | |
148 | { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */ | |
149 | { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */ | |
150 | { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */ | |
151 | }; | |
152 | ||
153 | DRM_ENUM_NAME_FN(drm_get_dvi_i_subconnector_name, | |
154 | drm_dvi_i_subconnector_enum_list) | |
155 | ||
156 | static struct drm_prop_enum_list drm_tv_select_enum_list[] = | |
157 | { | |
158 | { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */ | |
159 | { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */ | |
160 | { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */ | |
161 | { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */ | |
aeaa1ad3 | 162 | { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */ |
f453ba04 DA |
163 | }; |
164 | ||
165 | DRM_ENUM_NAME_FN(drm_get_tv_select_name, drm_tv_select_enum_list) | |
166 | ||
167 | static struct drm_prop_enum_list drm_tv_subconnector_enum_list[] = | |
168 | { | |
169 | { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */ | |
170 | { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */ | |
171 | { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */ | |
172 | { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */ | |
aeaa1ad3 | 173 | { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */ |
f453ba04 DA |
174 | }; |
175 | ||
176 | DRM_ENUM_NAME_FN(drm_get_tv_subconnector_name, | |
177 | drm_tv_subconnector_enum_list) | |
178 | ||
884840aa JB |
179 | static struct drm_prop_enum_list drm_dirty_info_enum_list[] = { |
180 | { DRM_MODE_DIRTY_OFF, "Off" }, | |
181 | { DRM_MODE_DIRTY_ON, "On" }, | |
182 | { DRM_MODE_DIRTY_ANNOTATE, "Annotate" }, | |
183 | }; | |
184 | ||
f453ba04 DA |
185 | struct drm_conn_prop_enum_list { |
186 | int type; | |
187 | char *name; | |
188 | int count; | |
189 | }; | |
190 | ||
191 | /* | |
192 | * Connector and encoder types. | |
193 | */ | |
194 | static struct drm_conn_prop_enum_list drm_connector_enum_list[] = | |
195 | { { DRM_MODE_CONNECTOR_Unknown, "Unknown", 0 }, | |
196 | { DRM_MODE_CONNECTOR_VGA, "VGA", 0 }, | |
197 | { DRM_MODE_CONNECTOR_DVII, "DVI-I", 0 }, | |
198 | { DRM_MODE_CONNECTOR_DVID, "DVI-D", 0 }, | |
199 | { DRM_MODE_CONNECTOR_DVIA, "DVI-A", 0 }, | |
200 | { DRM_MODE_CONNECTOR_Composite, "Composite", 0 }, | |
201 | { DRM_MODE_CONNECTOR_SVIDEO, "SVIDEO", 0 }, | |
202 | { DRM_MODE_CONNECTOR_LVDS, "LVDS", 0 }, | |
203 | { DRM_MODE_CONNECTOR_Component, "Component", 0 }, | |
e76116ca AD |
204 | { DRM_MODE_CONNECTOR_9PinDIN, "DIN", 0 }, |
205 | { DRM_MODE_CONNECTOR_DisplayPort, "DP", 0 }, | |
206 | { DRM_MODE_CONNECTOR_HDMIA, "HDMI-A", 0 }, | |
207 | { DRM_MODE_CONNECTOR_HDMIB, "HDMI-B", 0 }, | |
74bd3c26 | 208 | { DRM_MODE_CONNECTOR_TV, "TV", 0 }, |
e76116ca | 209 | { DRM_MODE_CONNECTOR_eDP, "eDP", 0 }, |
a7331e5c | 210 | { DRM_MODE_CONNECTOR_VIRTUAL, "Virtual", 0}, |
f453ba04 DA |
211 | }; |
212 | ||
213 | static struct drm_prop_enum_list drm_encoder_enum_list[] = | |
214 | { { DRM_MODE_ENCODER_NONE, "None" }, | |
215 | { DRM_MODE_ENCODER_DAC, "DAC" }, | |
216 | { DRM_MODE_ENCODER_TMDS, "TMDS" }, | |
217 | { DRM_MODE_ENCODER_LVDS, "LVDS" }, | |
218 | { DRM_MODE_ENCODER_TVDAC, "TV" }, | |
a7331e5c | 219 | { DRM_MODE_ENCODER_VIRTUAL, "Virtual" }, |
f453ba04 DA |
220 | }; |
221 | ||
222 | char *drm_get_encoder_name(struct drm_encoder *encoder) | |
223 | { | |
224 | static char buf[32]; | |
225 | ||
226 | snprintf(buf, 32, "%s-%d", | |
227 | drm_encoder_enum_list[encoder->encoder_type].name, | |
228 | encoder->base.id); | |
229 | return buf; | |
230 | } | |
13a8195b | 231 | EXPORT_SYMBOL(drm_get_encoder_name); |
f453ba04 DA |
232 | |
233 | char *drm_get_connector_name(struct drm_connector *connector) | |
234 | { | |
235 | static char buf[32]; | |
236 | ||
237 | snprintf(buf, 32, "%s-%d", | |
238 | drm_connector_enum_list[connector->connector_type].name, | |
239 | connector->connector_type_id); | |
240 | return buf; | |
241 | } | |
242 | EXPORT_SYMBOL(drm_get_connector_name); | |
243 | ||
244 | char *drm_get_connector_status_name(enum drm_connector_status status) | |
245 | { | |
246 | if (status == connector_status_connected) | |
247 | return "connected"; | |
248 | else if (status == connector_status_disconnected) | |
249 | return "disconnected"; | |
250 | else | |
251 | return "unknown"; | |
252 | } | |
ed7951dc | 253 | EXPORT_SYMBOL(drm_get_connector_status_name); |
f453ba04 DA |
254 | |
255 | /** | |
065a50ed | 256 | * drm_mode_object_get - allocate a new modeset identifier |
f453ba04 | 257 | * @dev: DRM device |
065a50ed DV |
258 | * @obj: object pointer, used to generate unique ID |
259 | * @obj_type: object type | |
f453ba04 | 260 | * |
f453ba04 DA |
261 | * Create a unique identifier based on @ptr in @dev's identifier space. Used |
262 | * for tracking modes, CRTCs and connectors. | |
263 | * | |
264 | * RETURNS: | |
265 | * New unique (relative to other objects in @dev) integer identifier for the | |
266 | * object. | |
267 | */ | |
268 | static int drm_mode_object_get(struct drm_device *dev, | |
269 | struct drm_mode_object *obj, uint32_t obj_type) | |
270 | { | |
f453ba04 DA |
271 | int ret; |
272 | ||
ad2563c2 | 273 | mutex_lock(&dev->mode_config.idr_mutex); |
2e928815 TH |
274 | ret = idr_alloc(&dev->mode_config.crtc_idr, obj, 1, 0, GFP_KERNEL); |
275 | if (ret >= 0) { | |
4b096ac1 DV |
276 | /* |
277 | * Set up the object linking under the protection of the idr | |
278 | * lock so that other users can't see inconsistent state. | |
279 | */ | |
2e928815 | 280 | obj->id = ret; |
4b096ac1 DV |
281 | obj->type = obj_type; |
282 | } | |
ad2563c2 | 283 | mutex_unlock(&dev->mode_config.idr_mutex); |
4b096ac1 | 284 | |
2e928815 | 285 | return ret < 0 ? ret : 0; |
f453ba04 DA |
286 | } |
287 | ||
288 | /** | |
065a50ed | 289 | * drm_mode_object_put - free a modeset identifer |
f453ba04 | 290 | * @dev: DRM device |
065a50ed | 291 | * @object: object to free |
f453ba04 | 292 | * |
f453ba04 DA |
293 | * Free @id from @dev's unique identifier pool. |
294 | */ | |
295 | static void drm_mode_object_put(struct drm_device *dev, | |
296 | struct drm_mode_object *object) | |
297 | { | |
ad2563c2 | 298 | mutex_lock(&dev->mode_config.idr_mutex); |
f453ba04 | 299 | idr_remove(&dev->mode_config.crtc_idr, object->id); |
ad2563c2 | 300 | mutex_unlock(&dev->mode_config.idr_mutex); |
f453ba04 DA |
301 | } |
302 | ||
786b99ed DV |
303 | /** |
304 | * drm_mode_object_find - look up a drm object with static lifetime | |
305 | * @dev: drm device | |
306 | * @id: id of the mode object | |
307 | * @type: type of the mode object | |
308 | * | |
309 | * Note that framebuffers cannot be looked up with this functions - since those | |
310 | * are reference counted, they need special treatment. | |
311 | */ | |
7a9c9060 DV |
312 | struct drm_mode_object *drm_mode_object_find(struct drm_device *dev, |
313 | uint32_t id, uint32_t type) | |
f453ba04 | 314 | { |
ad2563c2 | 315 | struct drm_mode_object *obj = NULL; |
f453ba04 | 316 | |
786b99ed DV |
317 | /* Framebuffers are reference counted and need their own lookup |
318 | * function.*/ | |
319 | WARN_ON(type == DRM_MODE_OBJECT_FB); | |
320 | ||
ad2563c2 | 321 | mutex_lock(&dev->mode_config.idr_mutex); |
f453ba04 DA |
322 | obj = idr_find(&dev->mode_config.crtc_idr, id); |
323 | if (!obj || (obj->type != type) || (obj->id != id)) | |
ad2563c2 JB |
324 | obj = NULL; |
325 | mutex_unlock(&dev->mode_config.idr_mutex); | |
f453ba04 DA |
326 | |
327 | return obj; | |
328 | } | |
329 | EXPORT_SYMBOL(drm_mode_object_find); | |
330 | ||
f453ba04 DA |
331 | /** |
332 | * drm_framebuffer_init - initialize a framebuffer | |
333 | * @dev: DRM device | |
065a50ed DV |
334 | * @fb: framebuffer to be initialized |
335 | * @funcs: ... with these functions | |
f453ba04 | 336 | * |
f453ba04 DA |
337 | * Allocates an ID for the framebuffer's parent mode object, sets its mode |
338 | * functions & device file and adds it to the master fd list. | |
339 | * | |
4b096ac1 DV |
340 | * IMPORTANT: |
341 | * This functions publishes the fb and makes it available for concurrent access | |
342 | * by other users. Which means by this point the fb _must_ be fully set up - | |
343 | * since all the fb attributes are invariant over its lifetime, no further | |
344 | * locking but only correct reference counting is required. | |
345 | * | |
f453ba04 | 346 | * RETURNS: |
af901ca1 | 347 | * Zero on success, error code on failure. |
f453ba04 DA |
348 | */ |
349 | int drm_framebuffer_init(struct drm_device *dev, struct drm_framebuffer *fb, | |
350 | const struct drm_framebuffer_funcs *funcs) | |
351 | { | |
352 | int ret; | |
353 | ||
4b096ac1 | 354 | mutex_lock(&dev->mode_config.fb_lock); |
f7eff60e | 355 | kref_init(&fb->refcount); |
4b096ac1 DV |
356 | INIT_LIST_HEAD(&fb->filp_head); |
357 | fb->dev = dev; | |
358 | fb->funcs = funcs; | |
f7eff60e | 359 | |
f453ba04 | 360 | ret = drm_mode_object_get(dev, &fb->base, DRM_MODE_OBJECT_FB); |
6bfc56aa | 361 | if (ret) |
4b096ac1 | 362 | goto out; |
f453ba04 | 363 | |
2b677e8c DV |
364 | /* Grab the idr reference. */ |
365 | drm_framebuffer_reference(fb); | |
366 | ||
f453ba04 DA |
367 | dev->mode_config.num_fb++; |
368 | list_add(&fb->head, &dev->mode_config.fb_list); | |
4b096ac1 DV |
369 | out: |
370 | mutex_unlock(&dev->mode_config.fb_lock); | |
f453ba04 DA |
371 | |
372 | return 0; | |
373 | } | |
374 | EXPORT_SYMBOL(drm_framebuffer_init); | |
375 | ||
f7eff60e RC |
376 | static void drm_framebuffer_free(struct kref *kref) |
377 | { | |
378 | struct drm_framebuffer *fb = | |
379 | container_of(kref, struct drm_framebuffer, refcount); | |
380 | fb->funcs->destroy(fb); | |
381 | } | |
382 | ||
2b677e8c DV |
383 | static struct drm_framebuffer *__drm_framebuffer_lookup(struct drm_device *dev, |
384 | uint32_t id) | |
385 | { | |
386 | struct drm_mode_object *obj = NULL; | |
387 | struct drm_framebuffer *fb; | |
388 | ||
389 | mutex_lock(&dev->mode_config.idr_mutex); | |
390 | obj = idr_find(&dev->mode_config.crtc_idr, id); | |
391 | if (!obj || (obj->type != DRM_MODE_OBJECT_FB) || (obj->id != id)) | |
392 | fb = NULL; | |
393 | else | |
394 | fb = obj_to_fb(obj); | |
395 | mutex_unlock(&dev->mode_config.idr_mutex); | |
396 | ||
397 | return fb; | |
398 | } | |
399 | ||
786b99ed DV |
400 | /** |
401 | * drm_framebuffer_lookup - look up a drm framebuffer and grab a reference | |
402 | * @dev: drm device | |
403 | * @id: id of the fb object | |
404 | * | |
405 | * If successful, this grabs an additional reference to the framebuffer - | |
406 | * callers need to make sure to eventually unreference the returned framebuffer | |
407 | * again. | |
408 | */ | |
409 | struct drm_framebuffer *drm_framebuffer_lookup(struct drm_device *dev, | |
410 | uint32_t id) | |
411 | { | |
786b99ed DV |
412 | struct drm_framebuffer *fb; |
413 | ||
414 | mutex_lock(&dev->mode_config.fb_lock); | |
2b677e8c | 415 | fb = __drm_framebuffer_lookup(dev, id); |
786b99ed | 416 | if (fb) |
9131d3d8 | 417 | drm_framebuffer_reference(fb); |
786b99ed DV |
418 | mutex_unlock(&dev->mode_config.fb_lock); |
419 | ||
420 | return fb; | |
421 | } | |
422 | EXPORT_SYMBOL(drm_framebuffer_lookup); | |
423 | ||
f7eff60e RC |
424 | /** |
425 | * drm_framebuffer_unreference - unref a framebuffer | |
065a50ed DV |
426 | * @fb: framebuffer to unref |
427 | * | |
428 | * This functions decrements the fb's refcount and frees it if it drops to zero. | |
f7eff60e RC |
429 | */ |
430 | void drm_framebuffer_unreference(struct drm_framebuffer *fb) | |
431 | { | |
f7eff60e | 432 | DRM_DEBUG("FB ID: %d\n", fb->base.id); |
f7eff60e RC |
433 | kref_put(&fb->refcount, drm_framebuffer_free); |
434 | } | |
435 | EXPORT_SYMBOL(drm_framebuffer_unreference); | |
436 | ||
437 | /** | |
438 | * drm_framebuffer_reference - incr the fb refcnt | |
065a50ed | 439 | * @fb: framebuffer |
f7eff60e RC |
440 | */ |
441 | void drm_framebuffer_reference(struct drm_framebuffer *fb) | |
442 | { | |
443 | DRM_DEBUG("FB ID: %d\n", fb->base.id); | |
444 | kref_get(&fb->refcount); | |
445 | } | |
446 | EXPORT_SYMBOL(drm_framebuffer_reference); | |
447 | ||
2b677e8c DV |
448 | static void drm_framebuffer_free_bug(struct kref *kref) |
449 | { | |
450 | BUG(); | |
451 | } | |
452 | ||
6c2a7532 DV |
453 | static void __drm_framebuffer_unreference(struct drm_framebuffer *fb) |
454 | { | |
455 | DRM_DEBUG("FB ID: %d\n", fb->base.id); | |
456 | kref_put(&fb->refcount, drm_framebuffer_free_bug); | |
457 | } | |
458 | ||
2b677e8c DV |
459 | /* dev->mode_config.fb_lock must be held! */ |
460 | static void __drm_framebuffer_unregister(struct drm_device *dev, | |
461 | struct drm_framebuffer *fb) | |
462 | { | |
463 | mutex_lock(&dev->mode_config.idr_mutex); | |
464 | idr_remove(&dev->mode_config.crtc_idr, fb->base.id); | |
465 | mutex_unlock(&dev->mode_config.idr_mutex); | |
466 | ||
467 | fb->base.id = 0; | |
468 | ||
6c2a7532 | 469 | __drm_framebuffer_unreference(fb); |
2b677e8c DV |
470 | } |
471 | ||
36206361 DV |
472 | /** |
473 | * drm_framebuffer_unregister_private - unregister a private fb from the lookup idr | |
474 | * @fb: fb to unregister | |
475 | * | |
476 | * Drivers need to call this when cleaning up driver-private framebuffers, e.g. | |
477 | * those used for fbdev. Note that the caller must hold a reference of it's own, | |
478 | * i.e. the object may not be destroyed through this call (since it'll lead to a | |
479 | * locking inversion). | |
480 | */ | |
481 | void drm_framebuffer_unregister_private(struct drm_framebuffer *fb) | |
482 | { | |
2b677e8c DV |
483 | struct drm_device *dev = fb->dev; |
484 | ||
485 | mutex_lock(&dev->mode_config.fb_lock); | |
486 | /* Mark fb as reaped and drop idr ref. */ | |
487 | __drm_framebuffer_unregister(dev, fb); | |
488 | mutex_unlock(&dev->mode_config.fb_lock); | |
36206361 DV |
489 | } |
490 | EXPORT_SYMBOL(drm_framebuffer_unregister_private); | |
491 | ||
f453ba04 DA |
492 | /** |
493 | * drm_framebuffer_cleanup - remove a framebuffer object | |
494 | * @fb: framebuffer to remove | |
495 | * | |
36206361 DV |
496 | * Cleanup references to a user-created framebuffer. This function is intended |
497 | * to be used from the drivers ->destroy callback. | |
498 | * | |
499 | * Note that this function does not remove the fb from active usuage - if it is | |
500 | * still used anywhere, hilarity can ensue since userspace could call getfb on | |
501 | * the id and get back -EINVAL. Obviously no concern at driver unload time. | |
502 | * | |
503 | * Also, the framebuffer will not be removed from the lookup idr - for | |
504 | * user-created framebuffers this will happen in in the rmfb ioctl. For | |
505 | * driver-private objects (e.g. for fbdev) drivers need to explicitly call | |
506 | * drm_framebuffer_unregister_private. | |
f453ba04 DA |
507 | */ |
508 | void drm_framebuffer_cleanup(struct drm_framebuffer *fb) | |
f7eff60e RC |
509 | { |
510 | struct drm_device *dev = fb->dev; | |
8faf6b18 | 511 | |
4b096ac1 | 512 | mutex_lock(&dev->mode_config.fb_lock); |
f7eff60e RC |
513 | list_del(&fb->head); |
514 | dev->mode_config.num_fb--; | |
4b096ac1 | 515 | mutex_unlock(&dev->mode_config.fb_lock); |
f7eff60e RC |
516 | } |
517 | EXPORT_SYMBOL(drm_framebuffer_cleanup); | |
518 | ||
519 | /** | |
520 | * drm_framebuffer_remove - remove and unreference a framebuffer object | |
521 | * @fb: framebuffer to remove | |
522 | * | |
f7eff60e | 523 | * Scans all the CRTCs and planes in @dev's mode_config. If they're |
36206361 | 524 | * using @fb, removes it, setting it to NULL. Then drops the reference to the |
b62584e3 DV |
525 | * passed-in framebuffer. Might take the modeset locks. |
526 | * | |
527 | * Note that this function optimizes the cleanup away if the caller holds the | |
528 | * last reference to the framebuffer. It is also guaranteed to not take the | |
529 | * modeset locks in this case. | |
f7eff60e RC |
530 | */ |
531 | void drm_framebuffer_remove(struct drm_framebuffer *fb) | |
f453ba04 DA |
532 | { |
533 | struct drm_device *dev = fb->dev; | |
534 | struct drm_crtc *crtc; | |
8cf5c917 | 535 | struct drm_plane *plane; |
5ef5f72f DA |
536 | struct drm_mode_set set; |
537 | int ret; | |
f453ba04 | 538 | |
4b096ac1 | 539 | WARN_ON(!list_empty(&fb->filp_head)); |
8faf6b18 | 540 | |
b62584e3 DV |
541 | /* |
542 | * drm ABI mandates that we remove any deleted framebuffers from active | |
543 | * useage. But since most sane clients only remove framebuffers they no | |
544 | * longer need, try to optimize this away. | |
545 | * | |
546 | * Since we're holding a reference ourselves, observing a refcount of 1 | |
547 | * means that we're the last holder and can skip it. Also, the refcount | |
548 | * can never increase from 1 again, so we don't need any barriers or | |
549 | * locks. | |
550 | * | |
551 | * Note that userspace could try to race with use and instate a new | |
552 | * usage _after_ we've cleared all current ones. End result will be an | |
553 | * in-use fb with fb-id == 0. Userspace is allowed to shoot its own foot | |
554 | * in this manner. | |
555 | */ | |
556 | if (atomic_read(&fb->refcount.refcount) > 1) { | |
557 | drm_modeset_lock_all(dev); | |
558 | /* remove from any CRTC */ | |
559 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { | |
560 | if (crtc->fb == fb) { | |
561 | /* should turn off the crtc */ | |
562 | memset(&set, 0, sizeof(struct drm_mode_set)); | |
563 | set.crtc = crtc; | |
564 | set.fb = NULL; | |
565 | ret = drm_mode_set_config_internal(&set); | |
566 | if (ret) | |
567 | DRM_ERROR("failed to reset crtc %p when fb was deleted\n", crtc); | |
568 | } | |
5ef5f72f | 569 | } |
f453ba04 | 570 | |
b62584e3 DV |
571 | list_for_each_entry(plane, &dev->mode_config.plane_list, head) { |
572 | if (plane->fb == fb) { | |
573 | /* should turn off the crtc */ | |
574 | ret = plane->funcs->disable_plane(plane); | |
575 | if (ret) | |
576 | DRM_ERROR("failed to disable plane with busy fb\n"); | |
577 | /* disconnect the plane from the fb and crtc: */ | |
578 | __drm_framebuffer_unreference(plane->fb); | |
579 | plane->fb = NULL; | |
580 | plane->crtc = NULL; | |
581 | } | |
8cf5c917 | 582 | } |
b62584e3 | 583 | drm_modeset_unlock_all(dev); |
8cf5c917 JB |
584 | } |
585 | ||
f7eff60e | 586 | drm_framebuffer_unreference(fb); |
f453ba04 | 587 | } |
f7eff60e | 588 | EXPORT_SYMBOL(drm_framebuffer_remove); |
f453ba04 DA |
589 | |
590 | /** | |
591 | * drm_crtc_init - Initialise a new CRTC object | |
592 | * @dev: DRM device | |
593 | * @crtc: CRTC object to init | |
594 | * @funcs: callbacks for the new CRTC | |
595 | * | |
f453ba04 | 596 | * Inits a new object created as base part of an driver crtc object. |
6bfc56aa VS |
597 | * |
598 | * RETURNS: | |
599 | * Zero on success, error code on failure. | |
f453ba04 | 600 | */ |
6bfc56aa | 601 | int drm_crtc_init(struct drm_device *dev, struct drm_crtc *crtc, |
f453ba04 DA |
602 | const struct drm_crtc_funcs *funcs) |
603 | { | |
6bfc56aa VS |
604 | int ret; |
605 | ||
f453ba04 DA |
606 | crtc->dev = dev; |
607 | crtc->funcs = funcs; | |
7c80e128 | 608 | crtc->invert_dimensions = false; |
f453ba04 | 609 | |
84849903 | 610 | drm_modeset_lock_all(dev); |
29494c17 DV |
611 | mutex_init(&crtc->mutex); |
612 | mutex_lock_nest_lock(&crtc->mutex, &dev->mode_config.mutex); | |
6bfc56aa VS |
613 | |
614 | ret = drm_mode_object_get(dev, &crtc->base, DRM_MODE_OBJECT_CRTC); | |
615 | if (ret) | |
616 | goto out; | |
f453ba04 | 617 | |
bffd9de0 PZ |
618 | crtc->base.properties = &crtc->properties; |
619 | ||
f453ba04 DA |
620 | list_add_tail(&crtc->head, &dev->mode_config.crtc_list); |
621 | dev->mode_config.num_crtc++; | |
6bfc56aa VS |
622 | |
623 | out: | |
84849903 | 624 | drm_modeset_unlock_all(dev); |
6bfc56aa VS |
625 | |
626 | return ret; | |
f453ba04 DA |
627 | } |
628 | EXPORT_SYMBOL(drm_crtc_init); | |
629 | ||
630 | /** | |
631 | * drm_crtc_cleanup - Cleans up the core crtc usage. | |
632 | * @crtc: CRTC to cleanup | |
633 | * | |
f453ba04 DA |
634 | * Cleanup @crtc. Removes from drm modesetting space |
635 | * does NOT free object, caller does that. | |
636 | */ | |
637 | void drm_crtc_cleanup(struct drm_crtc *crtc) | |
638 | { | |
639 | struct drm_device *dev = crtc->dev; | |
640 | ||
9e1c156f SK |
641 | kfree(crtc->gamma_store); |
642 | crtc->gamma_store = NULL; | |
f453ba04 DA |
643 | |
644 | drm_mode_object_put(dev, &crtc->base); | |
645 | list_del(&crtc->head); | |
646 | dev->mode_config.num_crtc--; | |
647 | } | |
648 | EXPORT_SYMBOL(drm_crtc_cleanup); | |
649 | ||
650 | /** | |
651 | * drm_mode_probed_add - add a mode to a connector's probed mode list | |
652 | * @connector: connector the new mode | |
653 | * @mode: mode data | |
654 | * | |
f453ba04 DA |
655 | * Add @mode to @connector's mode list for later use. |
656 | */ | |
657 | void drm_mode_probed_add(struct drm_connector *connector, | |
658 | struct drm_display_mode *mode) | |
659 | { | |
660 | list_add(&mode->head, &connector->probed_modes); | |
661 | } | |
662 | EXPORT_SYMBOL(drm_mode_probed_add); | |
663 | ||
664 | /** | |
665 | * drm_mode_remove - remove and free a mode | |
666 | * @connector: connector list to modify | |
667 | * @mode: mode to remove | |
668 | * | |
f453ba04 DA |
669 | * Remove @mode from @connector's mode list, then free it. |
670 | */ | |
671 | void drm_mode_remove(struct drm_connector *connector, | |
672 | struct drm_display_mode *mode) | |
673 | { | |
674 | list_del(&mode->head); | |
554f1d78 | 675 | drm_mode_destroy(connector->dev, mode); |
f453ba04 DA |
676 | } |
677 | EXPORT_SYMBOL(drm_mode_remove); | |
678 | ||
679 | /** | |
680 | * drm_connector_init - Init a preallocated connector | |
681 | * @dev: DRM device | |
682 | * @connector: the connector to init | |
683 | * @funcs: callbacks for this connector | |
065a50ed | 684 | * @connector_type: user visible type of the connector |
f453ba04 | 685 | * |
f453ba04 DA |
686 | * Initialises a preallocated connector. Connectors should be |
687 | * subclassed as part of driver connector objects. | |
6bfc56aa VS |
688 | * |
689 | * RETURNS: | |
690 | * Zero on success, error code on failure. | |
f453ba04 | 691 | */ |
6bfc56aa VS |
692 | int drm_connector_init(struct drm_device *dev, |
693 | struct drm_connector *connector, | |
694 | const struct drm_connector_funcs *funcs, | |
695 | int connector_type) | |
f453ba04 | 696 | { |
6bfc56aa VS |
697 | int ret; |
698 | ||
84849903 | 699 | drm_modeset_lock_all(dev); |
f453ba04 | 700 | |
6bfc56aa VS |
701 | ret = drm_mode_object_get(dev, &connector->base, DRM_MODE_OBJECT_CONNECTOR); |
702 | if (ret) | |
703 | goto out; | |
704 | ||
7e3bdf4a | 705 | connector->base.properties = &connector->properties; |
f453ba04 DA |
706 | connector->dev = dev; |
707 | connector->funcs = funcs; | |
f453ba04 DA |
708 | connector->connector_type = connector_type; |
709 | connector->connector_type_id = | |
710 | ++drm_connector_enum_list[connector_type].count; /* TODO */ | |
f453ba04 DA |
711 | INIT_LIST_HEAD(&connector->probed_modes); |
712 | INIT_LIST_HEAD(&connector->modes); | |
713 | connector->edid_blob_ptr = NULL; | |
5e2cb2f6 | 714 | connector->status = connector_status_unknown; |
f453ba04 DA |
715 | |
716 | list_add_tail(&connector->head, &dev->mode_config.connector_list); | |
717 | dev->mode_config.num_connector++; | |
718 | ||
a7331e5c | 719 | if (connector_type != DRM_MODE_CONNECTOR_VIRTUAL) |
58495563 | 720 | drm_object_attach_property(&connector->base, |
a7331e5c TH |
721 | dev->mode_config.edid_property, |
722 | 0); | |
f453ba04 | 723 | |
58495563 | 724 | drm_object_attach_property(&connector->base, |
f453ba04 DA |
725 | dev->mode_config.dpms_property, 0); |
726 | ||
6bfc56aa | 727 | out: |
84849903 | 728 | drm_modeset_unlock_all(dev); |
6bfc56aa VS |
729 | |
730 | return ret; | |
f453ba04 DA |
731 | } |
732 | EXPORT_SYMBOL(drm_connector_init); | |
733 | ||
734 | /** | |
735 | * drm_connector_cleanup - cleans up an initialised connector | |
736 | * @connector: connector to cleanup | |
737 | * | |
f453ba04 DA |
738 | * Cleans up the connector but doesn't free the object. |
739 | */ | |
740 | void drm_connector_cleanup(struct drm_connector *connector) | |
741 | { | |
742 | struct drm_device *dev = connector->dev; | |
743 | struct drm_display_mode *mode, *t; | |
744 | ||
745 | list_for_each_entry_safe(mode, t, &connector->probed_modes, head) | |
746 | drm_mode_remove(connector, mode); | |
747 | ||
748 | list_for_each_entry_safe(mode, t, &connector->modes, head) | |
749 | drm_mode_remove(connector, mode); | |
750 | ||
f453ba04 DA |
751 | drm_mode_object_put(dev, &connector->base); |
752 | list_del(&connector->head); | |
6380c509 | 753 | dev->mode_config.num_connector--; |
f453ba04 DA |
754 | } |
755 | EXPORT_SYMBOL(drm_connector_cleanup); | |
756 | ||
cbc7e221 DA |
757 | void drm_connector_unplug_all(struct drm_device *dev) |
758 | { | |
759 | struct drm_connector *connector; | |
760 | ||
761 | /* taking the mode config mutex ends up in a clash with sysfs */ | |
762 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) | |
763 | drm_sysfs_connector_remove(connector); | |
764 | ||
765 | } | |
766 | EXPORT_SYMBOL(drm_connector_unplug_all); | |
767 | ||
6bfc56aa | 768 | int drm_encoder_init(struct drm_device *dev, |
cbc7e221 DA |
769 | struct drm_encoder *encoder, |
770 | const struct drm_encoder_funcs *funcs, | |
771 | int encoder_type) | |
f453ba04 | 772 | { |
6bfc56aa VS |
773 | int ret; |
774 | ||
84849903 | 775 | drm_modeset_lock_all(dev); |
f453ba04 | 776 | |
6bfc56aa VS |
777 | ret = drm_mode_object_get(dev, &encoder->base, DRM_MODE_OBJECT_ENCODER); |
778 | if (ret) | |
779 | goto out; | |
f453ba04 | 780 | |
6bfc56aa | 781 | encoder->dev = dev; |
f453ba04 DA |
782 | encoder->encoder_type = encoder_type; |
783 | encoder->funcs = funcs; | |
784 | ||
785 | list_add_tail(&encoder->head, &dev->mode_config.encoder_list); | |
786 | dev->mode_config.num_encoder++; | |
787 | ||
6bfc56aa | 788 | out: |
84849903 | 789 | drm_modeset_unlock_all(dev); |
6bfc56aa VS |
790 | |
791 | return ret; | |
f453ba04 DA |
792 | } |
793 | EXPORT_SYMBOL(drm_encoder_init); | |
794 | ||
795 | void drm_encoder_cleanup(struct drm_encoder *encoder) | |
796 | { | |
797 | struct drm_device *dev = encoder->dev; | |
84849903 | 798 | drm_modeset_lock_all(dev); |
f453ba04 DA |
799 | drm_mode_object_put(dev, &encoder->base); |
800 | list_del(&encoder->head); | |
6380c509 | 801 | dev->mode_config.num_encoder--; |
84849903 | 802 | drm_modeset_unlock_all(dev); |
f453ba04 DA |
803 | } |
804 | EXPORT_SYMBOL(drm_encoder_cleanup); | |
805 | ||
8cf5c917 JB |
806 | int drm_plane_init(struct drm_device *dev, struct drm_plane *plane, |
807 | unsigned long possible_crtcs, | |
808 | const struct drm_plane_funcs *funcs, | |
0a7eb243 RC |
809 | const uint32_t *formats, uint32_t format_count, |
810 | bool priv) | |
8cf5c917 | 811 | { |
6bfc56aa VS |
812 | int ret; |
813 | ||
84849903 | 814 | drm_modeset_lock_all(dev); |
8cf5c917 | 815 | |
6bfc56aa VS |
816 | ret = drm_mode_object_get(dev, &plane->base, DRM_MODE_OBJECT_PLANE); |
817 | if (ret) | |
818 | goto out; | |
819 | ||
4d93914a | 820 | plane->base.properties = &plane->properties; |
8cf5c917 | 821 | plane->dev = dev; |
8cf5c917 JB |
822 | plane->funcs = funcs; |
823 | plane->format_types = kmalloc(sizeof(uint32_t) * format_count, | |
824 | GFP_KERNEL); | |
825 | if (!plane->format_types) { | |
826 | DRM_DEBUG_KMS("out of memory when allocating plane\n"); | |
827 | drm_mode_object_put(dev, &plane->base); | |
6bfc56aa VS |
828 | ret = -ENOMEM; |
829 | goto out; | |
8cf5c917 JB |
830 | } |
831 | ||
308e5bcb | 832 | memcpy(plane->format_types, formats, format_count * sizeof(uint32_t)); |
8cf5c917 JB |
833 | plane->format_count = format_count; |
834 | plane->possible_crtcs = possible_crtcs; | |
835 | ||
0a7eb243 RC |
836 | /* private planes are not exposed to userspace, but depending on |
837 | * display hardware, might be convenient to allow sharing programming | |
838 | * for the scanout engine with the crtc implementation. | |
839 | */ | |
840 | if (!priv) { | |
841 | list_add_tail(&plane->head, &dev->mode_config.plane_list); | |
842 | dev->mode_config.num_plane++; | |
843 | } else { | |
844 | INIT_LIST_HEAD(&plane->head); | |
845 | } | |
8cf5c917 | 846 | |
6bfc56aa | 847 | out: |
84849903 | 848 | drm_modeset_unlock_all(dev); |
8cf5c917 | 849 | |
6bfc56aa | 850 | return ret; |
8cf5c917 JB |
851 | } |
852 | EXPORT_SYMBOL(drm_plane_init); | |
853 | ||
854 | void drm_plane_cleanup(struct drm_plane *plane) | |
855 | { | |
856 | struct drm_device *dev = plane->dev; | |
857 | ||
84849903 | 858 | drm_modeset_lock_all(dev); |
8cf5c917 JB |
859 | kfree(plane->format_types); |
860 | drm_mode_object_put(dev, &plane->base); | |
0a7eb243 RC |
861 | /* if not added to a list, it must be a private plane */ |
862 | if (!list_empty(&plane->head)) { | |
863 | list_del(&plane->head); | |
864 | dev->mode_config.num_plane--; | |
865 | } | |
84849903 | 866 | drm_modeset_unlock_all(dev); |
8cf5c917 JB |
867 | } |
868 | EXPORT_SYMBOL(drm_plane_cleanup); | |
869 | ||
f453ba04 DA |
870 | /** |
871 | * drm_mode_create - create a new display mode | |
872 | * @dev: DRM device | |
873 | * | |
f453ba04 DA |
874 | * Create a new drm_display_mode, give it an ID, and return it. |
875 | * | |
876 | * RETURNS: | |
877 | * Pointer to new mode on success, NULL on error. | |
878 | */ | |
879 | struct drm_display_mode *drm_mode_create(struct drm_device *dev) | |
880 | { | |
881 | struct drm_display_mode *nmode; | |
882 | ||
883 | nmode = kzalloc(sizeof(struct drm_display_mode), GFP_KERNEL); | |
884 | if (!nmode) | |
885 | return NULL; | |
886 | ||
6bfc56aa VS |
887 | if (drm_mode_object_get(dev, &nmode->base, DRM_MODE_OBJECT_MODE)) { |
888 | kfree(nmode); | |
889 | return NULL; | |
890 | } | |
891 | ||
f453ba04 DA |
892 | return nmode; |
893 | } | |
894 | EXPORT_SYMBOL(drm_mode_create); | |
895 | ||
896 | /** | |
897 | * drm_mode_destroy - remove a mode | |
898 | * @dev: DRM device | |
899 | * @mode: mode to remove | |
900 | * | |
f453ba04 DA |
901 | * Free @mode's unique identifier, then free it. |
902 | */ | |
903 | void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode) | |
904 | { | |
ee34ab5b VS |
905 | if (!mode) |
906 | return; | |
907 | ||
f453ba04 DA |
908 | drm_mode_object_put(dev, &mode->base); |
909 | ||
910 | kfree(mode); | |
911 | } | |
912 | EXPORT_SYMBOL(drm_mode_destroy); | |
913 | ||
914 | static int drm_mode_create_standard_connector_properties(struct drm_device *dev) | |
915 | { | |
916 | struct drm_property *edid; | |
917 | struct drm_property *dpms; | |
f453ba04 DA |
918 | |
919 | /* | |
920 | * Standard properties (apply to all connectors) | |
921 | */ | |
922 | edid = drm_property_create(dev, DRM_MODE_PROP_BLOB | | |
923 | DRM_MODE_PROP_IMMUTABLE, | |
924 | "EDID", 0); | |
925 | dev->mode_config.edid_property = edid; | |
926 | ||
4a67d391 SH |
927 | dpms = drm_property_create_enum(dev, 0, |
928 | "DPMS", drm_dpms_enum_list, | |
929 | ARRAY_SIZE(drm_dpms_enum_list)); | |
f453ba04 DA |
930 | dev->mode_config.dpms_property = dpms; |
931 | ||
932 | return 0; | |
933 | } | |
934 | ||
935 | /** | |
936 | * drm_mode_create_dvi_i_properties - create DVI-I specific connector properties | |
937 | * @dev: DRM device | |
938 | * | |
939 | * Called by a driver the first time a DVI-I connector is made. | |
940 | */ | |
941 | int drm_mode_create_dvi_i_properties(struct drm_device *dev) | |
942 | { | |
943 | struct drm_property *dvi_i_selector; | |
944 | struct drm_property *dvi_i_subconnector; | |
f453ba04 DA |
945 | |
946 | if (dev->mode_config.dvi_i_select_subconnector_property) | |
947 | return 0; | |
948 | ||
949 | dvi_i_selector = | |
4a67d391 | 950 | drm_property_create_enum(dev, 0, |
f453ba04 | 951 | "select subconnector", |
4a67d391 | 952 | drm_dvi_i_select_enum_list, |
f453ba04 | 953 | ARRAY_SIZE(drm_dvi_i_select_enum_list)); |
f453ba04 DA |
954 | dev->mode_config.dvi_i_select_subconnector_property = dvi_i_selector; |
955 | ||
4a67d391 | 956 | dvi_i_subconnector = drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, |
f453ba04 | 957 | "subconnector", |
4a67d391 | 958 | drm_dvi_i_subconnector_enum_list, |
f453ba04 | 959 | ARRAY_SIZE(drm_dvi_i_subconnector_enum_list)); |
f453ba04 DA |
960 | dev->mode_config.dvi_i_subconnector_property = dvi_i_subconnector; |
961 | ||
962 | return 0; | |
963 | } | |
964 | EXPORT_SYMBOL(drm_mode_create_dvi_i_properties); | |
965 | ||
966 | /** | |
967 | * drm_create_tv_properties - create TV specific connector properties | |
968 | * @dev: DRM device | |
969 | * @num_modes: number of different TV formats (modes) supported | |
970 | * @modes: array of pointers to strings containing name of each format | |
971 | * | |
972 | * Called by a driver's TV initialization routine, this function creates | |
973 | * the TV specific connector properties for a given device. Caller is | |
974 | * responsible for allocating a list of format names and passing them to | |
975 | * this routine. | |
976 | */ | |
977 | int drm_mode_create_tv_properties(struct drm_device *dev, int num_modes, | |
978 | char *modes[]) | |
979 | { | |
980 | struct drm_property *tv_selector; | |
981 | struct drm_property *tv_subconnector; | |
982 | int i; | |
983 | ||
984 | if (dev->mode_config.tv_select_subconnector_property) | |
985 | return 0; | |
986 | ||
987 | /* | |
988 | * Basic connector properties | |
989 | */ | |
4a67d391 | 990 | tv_selector = drm_property_create_enum(dev, 0, |
f453ba04 | 991 | "select subconnector", |
4a67d391 | 992 | drm_tv_select_enum_list, |
f453ba04 | 993 | ARRAY_SIZE(drm_tv_select_enum_list)); |
f453ba04 DA |
994 | dev->mode_config.tv_select_subconnector_property = tv_selector; |
995 | ||
996 | tv_subconnector = | |
4a67d391 SH |
997 | drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, |
998 | "subconnector", | |
999 | drm_tv_subconnector_enum_list, | |
f453ba04 | 1000 | ARRAY_SIZE(drm_tv_subconnector_enum_list)); |
f453ba04 DA |
1001 | dev->mode_config.tv_subconnector_property = tv_subconnector; |
1002 | ||
1003 | /* | |
1004 | * Other, TV specific properties: margins & TV modes. | |
1005 | */ | |
1006 | dev->mode_config.tv_left_margin_property = | |
d9bc3c02 | 1007 | drm_property_create_range(dev, 0, "left margin", 0, 100); |
f453ba04 DA |
1008 | |
1009 | dev->mode_config.tv_right_margin_property = | |
d9bc3c02 | 1010 | drm_property_create_range(dev, 0, "right margin", 0, 100); |
f453ba04 DA |
1011 | |
1012 | dev->mode_config.tv_top_margin_property = | |
d9bc3c02 | 1013 | drm_property_create_range(dev, 0, "top margin", 0, 100); |
f453ba04 DA |
1014 | |
1015 | dev->mode_config.tv_bottom_margin_property = | |
d9bc3c02 | 1016 | drm_property_create_range(dev, 0, "bottom margin", 0, 100); |
f453ba04 DA |
1017 | |
1018 | dev->mode_config.tv_mode_property = | |
1019 | drm_property_create(dev, DRM_MODE_PROP_ENUM, | |
1020 | "mode", num_modes); | |
1021 | for (i = 0; i < num_modes; i++) | |
1022 | drm_property_add_enum(dev->mode_config.tv_mode_property, i, | |
1023 | i, modes[i]); | |
1024 | ||
b6b7902e | 1025 | dev->mode_config.tv_brightness_property = |
d9bc3c02 | 1026 | drm_property_create_range(dev, 0, "brightness", 0, 100); |
b6b7902e FJ |
1027 | |
1028 | dev->mode_config.tv_contrast_property = | |
d9bc3c02 | 1029 | drm_property_create_range(dev, 0, "contrast", 0, 100); |
b6b7902e FJ |
1030 | |
1031 | dev->mode_config.tv_flicker_reduction_property = | |
d9bc3c02 | 1032 | drm_property_create_range(dev, 0, "flicker reduction", 0, 100); |
b6b7902e | 1033 | |
a75f0236 | 1034 | dev->mode_config.tv_overscan_property = |
d9bc3c02 | 1035 | drm_property_create_range(dev, 0, "overscan", 0, 100); |
a75f0236 FJ |
1036 | |
1037 | dev->mode_config.tv_saturation_property = | |
d9bc3c02 | 1038 | drm_property_create_range(dev, 0, "saturation", 0, 100); |
a75f0236 FJ |
1039 | |
1040 | dev->mode_config.tv_hue_property = | |
d9bc3c02 | 1041 | drm_property_create_range(dev, 0, "hue", 0, 100); |
a75f0236 | 1042 | |
f453ba04 DA |
1043 | return 0; |
1044 | } | |
1045 | EXPORT_SYMBOL(drm_mode_create_tv_properties); | |
1046 | ||
1047 | /** | |
1048 | * drm_mode_create_scaling_mode_property - create scaling mode property | |
1049 | * @dev: DRM device | |
1050 | * | |
1051 | * Called by a driver the first time it's needed, must be attached to desired | |
1052 | * connectors. | |
1053 | */ | |
1054 | int drm_mode_create_scaling_mode_property(struct drm_device *dev) | |
1055 | { | |
1056 | struct drm_property *scaling_mode; | |
f453ba04 DA |
1057 | |
1058 | if (dev->mode_config.scaling_mode_property) | |
1059 | return 0; | |
1060 | ||
1061 | scaling_mode = | |
4a67d391 SH |
1062 | drm_property_create_enum(dev, 0, "scaling mode", |
1063 | drm_scaling_mode_enum_list, | |
f453ba04 | 1064 | ARRAY_SIZE(drm_scaling_mode_enum_list)); |
f453ba04 DA |
1065 | |
1066 | dev->mode_config.scaling_mode_property = scaling_mode; | |
1067 | ||
1068 | return 0; | |
1069 | } | |
1070 | EXPORT_SYMBOL(drm_mode_create_scaling_mode_property); | |
1071 | ||
1072 | /** | |
1073 | * drm_mode_create_dithering_property - create dithering property | |
1074 | * @dev: DRM device | |
1075 | * | |
1076 | * Called by a driver the first time it's needed, must be attached to desired | |
1077 | * connectors. | |
1078 | */ | |
1079 | int drm_mode_create_dithering_property(struct drm_device *dev) | |
1080 | { | |
1081 | struct drm_property *dithering_mode; | |
f453ba04 DA |
1082 | |
1083 | if (dev->mode_config.dithering_mode_property) | |
1084 | return 0; | |
1085 | ||
1086 | dithering_mode = | |
4a67d391 SH |
1087 | drm_property_create_enum(dev, 0, "dithering", |
1088 | drm_dithering_mode_enum_list, | |
f453ba04 | 1089 | ARRAY_SIZE(drm_dithering_mode_enum_list)); |
f453ba04 DA |
1090 | dev->mode_config.dithering_mode_property = dithering_mode; |
1091 | ||
1092 | return 0; | |
1093 | } | |
1094 | EXPORT_SYMBOL(drm_mode_create_dithering_property); | |
1095 | ||
884840aa JB |
1096 | /** |
1097 | * drm_mode_create_dirty_property - create dirty property | |
1098 | * @dev: DRM device | |
1099 | * | |
1100 | * Called by a driver the first time it's needed, must be attached to desired | |
1101 | * connectors. | |
1102 | */ | |
1103 | int drm_mode_create_dirty_info_property(struct drm_device *dev) | |
1104 | { | |
1105 | struct drm_property *dirty_info; | |
884840aa JB |
1106 | |
1107 | if (dev->mode_config.dirty_info_property) | |
1108 | return 0; | |
1109 | ||
1110 | dirty_info = | |
4a67d391 | 1111 | drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, |
884840aa | 1112 | "dirty", |
4a67d391 | 1113 | drm_dirty_info_enum_list, |
884840aa | 1114 | ARRAY_SIZE(drm_dirty_info_enum_list)); |
884840aa JB |
1115 | dev->mode_config.dirty_info_property = dirty_info; |
1116 | ||
1117 | return 0; | |
1118 | } | |
1119 | EXPORT_SYMBOL(drm_mode_create_dirty_info_property); | |
1120 | ||
ea9cbb06 | 1121 | static int drm_mode_group_init(struct drm_device *dev, struct drm_mode_group *group) |
f453ba04 DA |
1122 | { |
1123 | uint32_t total_objects = 0; | |
1124 | ||
1125 | total_objects += dev->mode_config.num_crtc; | |
1126 | total_objects += dev->mode_config.num_connector; | |
1127 | total_objects += dev->mode_config.num_encoder; | |
1128 | ||
f453ba04 DA |
1129 | group->id_list = kzalloc(total_objects * sizeof(uint32_t), GFP_KERNEL); |
1130 | if (!group->id_list) | |
1131 | return -ENOMEM; | |
1132 | ||
1133 | group->num_crtcs = 0; | |
1134 | group->num_connectors = 0; | |
1135 | group->num_encoders = 0; | |
1136 | return 0; | |
1137 | } | |
1138 | ||
1139 | int drm_mode_group_init_legacy_group(struct drm_device *dev, | |
1140 | struct drm_mode_group *group) | |
1141 | { | |
1142 | struct drm_crtc *crtc; | |
1143 | struct drm_encoder *encoder; | |
1144 | struct drm_connector *connector; | |
1145 | int ret; | |
1146 | ||
1147 | if ((ret = drm_mode_group_init(dev, group))) | |
1148 | return ret; | |
1149 | ||
1150 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) | |
1151 | group->id_list[group->num_crtcs++] = crtc->base.id; | |
1152 | ||
1153 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) | |
1154 | group->id_list[group->num_crtcs + group->num_encoders++] = | |
1155 | encoder->base.id; | |
1156 | ||
1157 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) | |
1158 | group->id_list[group->num_crtcs + group->num_encoders + | |
1159 | group->num_connectors++] = connector->base.id; | |
1160 | ||
1161 | return 0; | |
1162 | } | |
9c1dfc55 | 1163 | EXPORT_SYMBOL(drm_mode_group_init_legacy_group); |
f453ba04 | 1164 | |
f453ba04 DA |
1165 | /** |
1166 | * drm_crtc_convert_to_umode - convert a drm_display_mode into a modeinfo | |
1167 | * @out: drm_mode_modeinfo struct to return to the user | |
1168 | * @in: drm_display_mode to use | |
1169 | * | |
f453ba04 DA |
1170 | * Convert a drm_display_mode into a drm_mode_modeinfo structure to return to |
1171 | * the user. | |
1172 | */ | |
93bbf6db VS |
1173 | static void drm_crtc_convert_to_umode(struct drm_mode_modeinfo *out, |
1174 | const struct drm_display_mode *in) | |
f453ba04 | 1175 | { |
e36fae38 VS |
1176 | WARN(in->hdisplay > USHRT_MAX || in->hsync_start > USHRT_MAX || |
1177 | in->hsync_end > USHRT_MAX || in->htotal > USHRT_MAX || | |
1178 | in->hskew > USHRT_MAX || in->vdisplay > USHRT_MAX || | |
1179 | in->vsync_start > USHRT_MAX || in->vsync_end > USHRT_MAX || | |
1180 | in->vtotal > USHRT_MAX || in->vscan > USHRT_MAX, | |
1181 | "timing values too large for mode info\n"); | |
1182 | ||
f453ba04 DA |
1183 | out->clock = in->clock; |
1184 | out->hdisplay = in->hdisplay; | |
1185 | out->hsync_start = in->hsync_start; | |
1186 | out->hsync_end = in->hsync_end; | |
1187 | out->htotal = in->htotal; | |
1188 | out->hskew = in->hskew; | |
1189 | out->vdisplay = in->vdisplay; | |
1190 | out->vsync_start = in->vsync_start; | |
1191 | out->vsync_end = in->vsync_end; | |
1192 | out->vtotal = in->vtotal; | |
1193 | out->vscan = in->vscan; | |
1194 | out->vrefresh = in->vrefresh; | |
1195 | out->flags = in->flags; | |
1196 | out->type = in->type; | |
1197 | strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN); | |
1198 | out->name[DRM_DISPLAY_MODE_LEN-1] = 0; | |
1199 | } | |
1200 | ||
1201 | /** | |
1202 | * drm_crtc_convert_to_umode - convert a modeinfo into a drm_display_mode | |
1203 | * @out: drm_display_mode to return to the user | |
1204 | * @in: drm_mode_modeinfo to use | |
1205 | * | |
f453ba04 DA |
1206 | * Convert a drm_mode_modeinfo into a drm_display_mode structure to return to |
1207 | * the caller. | |
90367bf6 VS |
1208 | * |
1209 | * RETURNS: | |
1210 | * Zero on success, errno on failure. | |
f453ba04 | 1211 | */ |
93bbf6db VS |
1212 | static int drm_crtc_convert_umode(struct drm_display_mode *out, |
1213 | const struct drm_mode_modeinfo *in) | |
f453ba04 | 1214 | { |
90367bf6 VS |
1215 | if (in->clock > INT_MAX || in->vrefresh > INT_MAX) |
1216 | return -ERANGE; | |
1217 | ||
f453ba04 DA |
1218 | out->clock = in->clock; |
1219 | out->hdisplay = in->hdisplay; | |
1220 | out->hsync_start = in->hsync_start; | |
1221 | out->hsync_end = in->hsync_end; | |
1222 | out->htotal = in->htotal; | |
1223 | out->hskew = in->hskew; | |
1224 | out->vdisplay = in->vdisplay; | |
1225 | out->vsync_start = in->vsync_start; | |
1226 | out->vsync_end = in->vsync_end; | |
1227 | out->vtotal = in->vtotal; | |
1228 | out->vscan = in->vscan; | |
1229 | out->vrefresh = in->vrefresh; | |
1230 | out->flags = in->flags; | |
1231 | out->type = in->type; | |
1232 | strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN); | |
1233 | out->name[DRM_DISPLAY_MODE_LEN-1] = 0; | |
90367bf6 VS |
1234 | |
1235 | return 0; | |
f453ba04 DA |
1236 | } |
1237 | ||
1238 | /** | |
1239 | * drm_mode_getresources - get graphics configuration | |
065a50ed DV |
1240 | * @dev: drm device for the ioctl |
1241 | * @data: data pointer for the ioctl | |
1242 | * @file_priv: drm file for the ioctl call | |
f453ba04 | 1243 | * |
f453ba04 DA |
1244 | * Construct a set of configuration description structures and return |
1245 | * them to the user, including CRTC, connector and framebuffer configuration. | |
1246 | * | |
1247 | * Called by the user via ioctl. | |
1248 | * | |
1249 | * RETURNS: | |
1250 | * Zero on success, errno on failure. | |
1251 | */ | |
1252 | int drm_mode_getresources(struct drm_device *dev, void *data, | |
1253 | struct drm_file *file_priv) | |
1254 | { | |
1255 | struct drm_mode_card_res *card_res = data; | |
1256 | struct list_head *lh; | |
1257 | struct drm_framebuffer *fb; | |
1258 | struct drm_connector *connector; | |
1259 | struct drm_crtc *crtc; | |
1260 | struct drm_encoder *encoder; | |
1261 | int ret = 0; | |
1262 | int connector_count = 0; | |
1263 | int crtc_count = 0; | |
1264 | int fb_count = 0; | |
1265 | int encoder_count = 0; | |
1266 | int copied = 0, i; | |
1267 | uint32_t __user *fb_id; | |
1268 | uint32_t __user *crtc_id; | |
1269 | uint32_t __user *connector_id; | |
1270 | uint32_t __user *encoder_id; | |
1271 | struct drm_mode_group *mode_group; | |
1272 | ||
fb3b06c8 DA |
1273 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1274 | return -EINVAL; | |
1275 | ||
f453ba04 | 1276 | |
4b096ac1 | 1277 | mutex_lock(&file_priv->fbs_lock); |
f453ba04 DA |
1278 | /* |
1279 | * For the non-control nodes we need to limit the list of resources | |
1280 | * by IDs in the group list for this node | |
1281 | */ | |
1282 | list_for_each(lh, &file_priv->fbs) | |
1283 | fb_count++; | |
1284 | ||
4b096ac1 DV |
1285 | /* handle this in 4 parts */ |
1286 | /* FBs */ | |
1287 | if (card_res->count_fbs >= fb_count) { | |
1288 | copied = 0; | |
1289 | fb_id = (uint32_t __user *)(unsigned long)card_res->fb_id_ptr; | |
1290 | list_for_each_entry(fb, &file_priv->fbs, filp_head) { | |
1291 | if (put_user(fb->base.id, fb_id + copied)) { | |
1292 | mutex_unlock(&file_priv->fbs_lock); | |
1293 | return -EFAULT; | |
1294 | } | |
1295 | copied++; | |
1296 | } | |
1297 | } | |
1298 | card_res->count_fbs = fb_count; | |
1299 | mutex_unlock(&file_priv->fbs_lock); | |
1300 | ||
1301 | drm_modeset_lock_all(dev); | |
f453ba04 DA |
1302 | mode_group = &file_priv->master->minor->mode_group; |
1303 | if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { | |
1304 | ||
1305 | list_for_each(lh, &dev->mode_config.crtc_list) | |
1306 | crtc_count++; | |
1307 | ||
1308 | list_for_each(lh, &dev->mode_config.connector_list) | |
1309 | connector_count++; | |
1310 | ||
1311 | list_for_each(lh, &dev->mode_config.encoder_list) | |
1312 | encoder_count++; | |
1313 | } else { | |
1314 | ||
1315 | crtc_count = mode_group->num_crtcs; | |
1316 | connector_count = mode_group->num_connectors; | |
1317 | encoder_count = mode_group->num_encoders; | |
1318 | } | |
1319 | ||
1320 | card_res->max_height = dev->mode_config.max_height; | |
1321 | card_res->min_height = dev->mode_config.min_height; | |
1322 | card_res->max_width = dev->mode_config.max_width; | |
1323 | card_res->min_width = dev->mode_config.min_width; | |
1324 | ||
f453ba04 DA |
1325 | /* CRTCs */ |
1326 | if (card_res->count_crtcs >= crtc_count) { | |
1327 | copied = 0; | |
1328 | crtc_id = (uint32_t __user *)(unsigned long)card_res->crtc_id_ptr; | |
1329 | if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { | |
1330 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, | |
1331 | head) { | |
9440106b | 1332 | DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id); |
f453ba04 DA |
1333 | if (put_user(crtc->base.id, crtc_id + copied)) { |
1334 | ret = -EFAULT; | |
1335 | goto out; | |
1336 | } | |
1337 | copied++; | |
1338 | } | |
1339 | } else { | |
1340 | for (i = 0; i < mode_group->num_crtcs; i++) { | |
1341 | if (put_user(mode_group->id_list[i], | |
1342 | crtc_id + copied)) { | |
1343 | ret = -EFAULT; | |
1344 | goto out; | |
1345 | } | |
1346 | copied++; | |
1347 | } | |
1348 | } | |
1349 | } | |
1350 | card_res->count_crtcs = crtc_count; | |
1351 | ||
1352 | /* Encoders */ | |
1353 | if (card_res->count_encoders >= encoder_count) { | |
1354 | copied = 0; | |
1355 | encoder_id = (uint32_t __user *)(unsigned long)card_res->encoder_id_ptr; | |
1356 | if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { | |
1357 | list_for_each_entry(encoder, | |
1358 | &dev->mode_config.encoder_list, | |
1359 | head) { | |
9440106b JG |
1360 | DRM_DEBUG_KMS("[ENCODER:%d:%s]\n", encoder->base.id, |
1361 | drm_get_encoder_name(encoder)); | |
f453ba04 DA |
1362 | if (put_user(encoder->base.id, encoder_id + |
1363 | copied)) { | |
1364 | ret = -EFAULT; | |
1365 | goto out; | |
1366 | } | |
1367 | copied++; | |
1368 | } | |
1369 | } else { | |
1370 | for (i = mode_group->num_crtcs; i < mode_group->num_crtcs + mode_group->num_encoders; i++) { | |
1371 | if (put_user(mode_group->id_list[i], | |
1372 | encoder_id + copied)) { | |
1373 | ret = -EFAULT; | |
1374 | goto out; | |
1375 | } | |
1376 | copied++; | |
1377 | } | |
1378 | ||
1379 | } | |
1380 | } | |
1381 | card_res->count_encoders = encoder_count; | |
1382 | ||
1383 | /* Connectors */ | |
1384 | if (card_res->count_connectors >= connector_count) { | |
1385 | copied = 0; | |
1386 | connector_id = (uint32_t __user *)(unsigned long)card_res->connector_id_ptr; | |
1387 | if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { | |
1388 | list_for_each_entry(connector, | |
1389 | &dev->mode_config.connector_list, | |
1390 | head) { | |
9440106b JG |
1391 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", |
1392 | connector->base.id, | |
1393 | drm_get_connector_name(connector)); | |
f453ba04 DA |
1394 | if (put_user(connector->base.id, |
1395 | connector_id + copied)) { | |
1396 | ret = -EFAULT; | |
1397 | goto out; | |
1398 | } | |
1399 | copied++; | |
1400 | } | |
1401 | } else { | |
1402 | int start = mode_group->num_crtcs + | |
1403 | mode_group->num_encoders; | |
1404 | for (i = start; i < start + mode_group->num_connectors; i++) { | |
1405 | if (put_user(mode_group->id_list[i], | |
1406 | connector_id + copied)) { | |
1407 | ret = -EFAULT; | |
1408 | goto out; | |
1409 | } | |
1410 | copied++; | |
1411 | } | |
1412 | } | |
1413 | } | |
1414 | card_res->count_connectors = connector_count; | |
1415 | ||
9440106b | 1416 | DRM_DEBUG_KMS("CRTC[%d] CONNECTORS[%d] ENCODERS[%d]\n", card_res->count_crtcs, |
f453ba04 DA |
1417 | card_res->count_connectors, card_res->count_encoders); |
1418 | ||
1419 | out: | |
84849903 | 1420 | drm_modeset_unlock_all(dev); |
f453ba04 DA |
1421 | return ret; |
1422 | } | |
1423 | ||
1424 | /** | |
1425 | * drm_mode_getcrtc - get CRTC configuration | |
065a50ed DV |
1426 | * @dev: drm device for the ioctl |
1427 | * @data: data pointer for the ioctl | |
1428 | * @file_priv: drm file for the ioctl call | |
f453ba04 | 1429 | * |
f453ba04 DA |
1430 | * Construct a CRTC configuration structure to return to the user. |
1431 | * | |
1432 | * Called by the user via ioctl. | |
1433 | * | |
1434 | * RETURNS: | |
1435 | * Zero on success, errno on failure. | |
1436 | */ | |
1437 | int drm_mode_getcrtc(struct drm_device *dev, | |
1438 | void *data, struct drm_file *file_priv) | |
1439 | { | |
1440 | struct drm_mode_crtc *crtc_resp = data; | |
1441 | struct drm_crtc *crtc; | |
1442 | struct drm_mode_object *obj; | |
1443 | int ret = 0; | |
1444 | ||
fb3b06c8 DA |
1445 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1446 | return -EINVAL; | |
1447 | ||
84849903 | 1448 | drm_modeset_lock_all(dev); |
f453ba04 DA |
1449 | |
1450 | obj = drm_mode_object_find(dev, crtc_resp->crtc_id, | |
1451 | DRM_MODE_OBJECT_CRTC); | |
1452 | if (!obj) { | |
1453 | ret = -EINVAL; | |
1454 | goto out; | |
1455 | } | |
1456 | crtc = obj_to_crtc(obj); | |
1457 | ||
1458 | crtc_resp->x = crtc->x; | |
1459 | crtc_resp->y = crtc->y; | |
1460 | crtc_resp->gamma_size = crtc->gamma_size; | |
1461 | if (crtc->fb) | |
1462 | crtc_resp->fb_id = crtc->fb->base.id; | |
1463 | else | |
1464 | crtc_resp->fb_id = 0; | |
1465 | ||
1466 | if (crtc->enabled) { | |
1467 | ||
1468 | drm_crtc_convert_to_umode(&crtc_resp->mode, &crtc->mode); | |
1469 | crtc_resp->mode_valid = 1; | |
1470 | ||
1471 | } else { | |
1472 | crtc_resp->mode_valid = 0; | |
1473 | } | |
1474 | ||
1475 | out: | |
84849903 | 1476 | drm_modeset_unlock_all(dev); |
f453ba04 DA |
1477 | return ret; |
1478 | } | |
1479 | ||
1480 | /** | |
1481 | * drm_mode_getconnector - get connector configuration | |
065a50ed DV |
1482 | * @dev: drm device for the ioctl |
1483 | * @data: data pointer for the ioctl | |
1484 | * @file_priv: drm file for the ioctl call | |
f453ba04 | 1485 | * |
f453ba04 DA |
1486 | * Construct a connector configuration structure to return to the user. |
1487 | * | |
1488 | * Called by the user via ioctl. | |
1489 | * | |
1490 | * RETURNS: | |
1491 | * Zero on success, errno on failure. | |
1492 | */ | |
1493 | int drm_mode_getconnector(struct drm_device *dev, void *data, | |
1494 | struct drm_file *file_priv) | |
1495 | { | |
1496 | struct drm_mode_get_connector *out_resp = data; | |
1497 | struct drm_mode_object *obj; | |
1498 | struct drm_connector *connector; | |
1499 | struct drm_display_mode *mode; | |
1500 | int mode_count = 0; | |
1501 | int props_count = 0; | |
1502 | int encoders_count = 0; | |
1503 | int ret = 0; | |
1504 | int copied = 0; | |
1505 | int i; | |
1506 | struct drm_mode_modeinfo u_mode; | |
1507 | struct drm_mode_modeinfo __user *mode_ptr; | |
1508 | uint32_t __user *prop_ptr; | |
1509 | uint64_t __user *prop_values; | |
1510 | uint32_t __user *encoder_ptr; | |
1511 | ||
fb3b06c8 DA |
1512 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1513 | return -EINVAL; | |
1514 | ||
f453ba04 DA |
1515 | memset(&u_mode, 0, sizeof(struct drm_mode_modeinfo)); |
1516 | ||
9440106b | 1517 | DRM_DEBUG_KMS("[CONNECTOR:%d:?]\n", out_resp->connector_id); |
f453ba04 | 1518 | |
7b24056b | 1519 | mutex_lock(&dev->mode_config.mutex); |
f453ba04 DA |
1520 | |
1521 | obj = drm_mode_object_find(dev, out_resp->connector_id, | |
1522 | DRM_MODE_OBJECT_CONNECTOR); | |
1523 | if (!obj) { | |
1524 | ret = -EINVAL; | |
1525 | goto out; | |
1526 | } | |
1527 | connector = obj_to_connector(obj); | |
1528 | ||
7f88a9be | 1529 | props_count = connector->properties.count; |
f453ba04 DA |
1530 | |
1531 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { | |
1532 | if (connector->encoder_ids[i] != 0) { | |
1533 | encoders_count++; | |
1534 | } | |
1535 | } | |
1536 | ||
1537 | if (out_resp->count_modes == 0) { | |
1538 | connector->funcs->fill_modes(connector, | |
1539 | dev->mode_config.max_width, | |
1540 | dev->mode_config.max_height); | |
1541 | } | |
1542 | ||
1543 | /* delayed so we get modes regardless of pre-fill_modes state */ | |
1544 | list_for_each_entry(mode, &connector->modes, head) | |
1545 | mode_count++; | |
1546 | ||
1547 | out_resp->connector_id = connector->base.id; | |
1548 | out_resp->connector_type = connector->connector_type; | |
1549 | out_resp->connector_type_id = connector->connector_type_id; | |
1550 | out_resp->mm_width = connector->display_info.width_mm; | |
1551 | out_resp->mm_height = connector->display_info.height_mm; | |
1552 | out_resp->subpixel = connector->display_info.subpixel_order; | |
1553 | out_resp->connection = connector->status; | |
1554 | if (connector->encoder) | |
1555 | out_resp->encoder_id = connector->encoder->base.id; | |
1556 | else | |
1557 | out_resp->encoder_id = 0; | |
1558 | ||
1559 | /* | |
1560 | * This ioctl is called twice, once to determine how much space is | |
1561 | * needed, and the 2nd time to fill it. | |
1562 | */ | |
1563 | if ((out_resp->count_modes >= mode_count) && mode_count) { | |
1564 | copied = 0; | |
81f6c7f8 | 1565 | mode_ptr = (struct drm_mode_modeinfo __user *)(unsigned long)out_resp->modes_ptr; |
f453ba04 DA |
1566 | list_for_each_entry(mode, &connector->modes, head) { |
1567 | drm_crtc_convert_to_umode(&u_mode, mode); | |
1568 | if (copy_to_user(mode_ptr + copied, | |
1569 | &u_mode, sizeof(u_mode))) { | |
1570 | ret = -EFAULT; | |
1571 | goto out; | |
1572 | } | |
1573 | copied++; | |
1574 | } | |
1575 | } | |
1576 | out_resp->count_modes = mode_count; | |
1577 | ||
1578 | if ((out_resp->count_props >= props_count) && props_count) { | |
1579 | copied = 0; | |
81f6c7f8 VS |
1580 | prop_ptr = (uint32_t __user *)(unsigned long)(out_resp->props_ptr); |
1581 | prop_values = (uint64_t __user *)(unsigned long)(out_resp->prop_values_ptr); | |
7f88a9be PZ |
1582 | for (i = 0; i < connector->properties.count; i++) { |
1583 | if (put_user(connector->properties.ids[i], | |
1584 | prop_ptr + copied)) { | |
1585 | ret = -EFAULT; | |
1586 | goto out; | |
1587 | } | |
f453ba04 | 1588 | |
7f88a9be PZ |
1589 | if (put_user(connector->properties.values[i], |
1590 | prop_values + copied)) { | |
1591 | ret = -EFAULT; | |
1592 | goto out; | |
f453ba04 | 1593 | } |
7f88a9be | 1594 | copied++; |
f453ba04 DA |
1595 | } |
1596 | } | |
1597 | out_resp->count_props = props_count; | |
1598 | ||
1599 | if ((out_resp->count_encoders >= encoders_count) && encoders_count) { | |
1600 | copied = 0; | |
81f6c7f8 | 1601 | encoder_ptr = (uint32_t __user *)(unsigned long)(out_resp->encoders_ptr); |
f453ba04 DA |
1602 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { |
1603 | if (connector->encoder_ids[i] != 0) { | |
1604 | if (put_user(connector->encoder_ids[i], | |
1605 | encoder_ptr + copied)) { | |
1606 | ret = -EFAULT; | |
1607 | goto out; | |
1608 | } | |
1609 | copied++; | |
1610 | } | |
1611 | } | |
1612 | } | |
1613 | out_resp->count_encoders = encoders_count; | |
1614 | ||
1615 | out: | |
7b24056b DV |
1616 | mutex_unlock(&dev->mode_config.mutex); |
1617 | ||
f453ba04 DA |
1618 | return ret; |
1619 | } | |
1620 | ||
1621 | int drm_mode_getencoder(struct drm_device *dev, void *data, | |
1622 | struct drm_file *file_priv) | |
1623 | { | |
1624 | struct drm_mode_get_encoder *enc_resp = data; | |
1625 | struct drm_mode_object *obj; | |
1626 | struct drm_encoder *encoder; | |
1627 | int ret = 0; | |
1628 | ||
fb3b06c8 DA |
1629 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1630 | return -EINVAL; | |
1631 | ||
84849903 | 1632 | drm_modeset_lock_all(dev); |
f453ba04 DA |
1633 | obj = drm_mode_object_find(dev, enc_resp->encoder_id, |
1634 | DRM_MODE_OBJECT_ENCODER); | |
1635 | if (!obj) { | |
1636 | ret = -EINVAL; | |
1637 | goto out; | |
1638 | } | |
1639 | encoder = obj_to_encoder(obj); | |
1640 | ||
1641 | if (encoder->crtc) | |
1642 | enc_resp->crtc_id = encoder->crtc->base.id; | |
1643 | else | |
1644 | enc_resp->crtc_id = 0; | |
1645 | enc_resp->encoder_type = encoder->encoder_type; | |
1646 | enc_resp->encoder_id = encoder->base.id; | |
1647 | enc_resp->possible_crtcs = encoder->possible_crtcs; | |
1648 | enc_resp->possible_clones = encoder->possible_clones; | |
1649 | ||
1650 | out: | |
84849903 | 1651 | drm_modeset_unlock_all(dev); |
f453ba04 DA |
1652 | return ret; |
1653 | } | |
1654 | ||
8cf5c917 JB |
1655 | /** |
1656 | * drm_mode_getplane_res - get plane info | |
1657 | * @dev: DRM device | |
1658 | * @data: ioctl data | |
1659 | * @file_priv: DRM file info | |
1660 | * | |
1661 | * Return an plane count and set of IDs. | |
1662 | */ | |
1663 | int drm_mode_getplane_res(struct drm_device *dev, void *data, | |
1664 | struct drm_file *file_priv) | |
1665 | { | |
1666 | struct drm_mode_get_plane_res *plane_resp = data; | |
1667 | struct drm_mode_config *config; | |
1668 | struct drm_plane *plane; | |
1669 | uint32_t __user *plane_ptr; | |
1670 | int copied = 0, ret = 0; | |
1671 | ||
1672 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) | |
1673 | return -EINVAL; | |
1674 | ||
84849903 | 1675 | drm_modeset_lock_all(dev); |
8cf5c917 JB |
1676 | config = &dev->mode_config; |
1677 | ||
1678 | /* | |
1679 | * This ioctl is called twice, once to determine how much space is | |
1680 | * needed, and the 2nd time to fill it. | |
1681 | */ | |
1682 | if (config->num_plane && | |
1683 | (plane_resp->count_planes >= config->num_plane)) { | |
81f6c7f8 | 1684 | plane_ptr = (uint32_t __user *)(unsigned long)plane_resp->plane_id_ptr; |
8cf5c917 JB |
1685 | |
1686 | list_for_each_entry(plane, &config->plane_list, head) { | |
1687 | if (put_user(plane->base.id, plane_ptr + copied)) { | |
1688 | ret = -EFAULT; | |
1689 | goto out; | |
1690 | } | |
1691 | copied++; | |
1692 | } | |
1693 | } | |
1694 | plane_resp->count_planes = config->num_plane; | |
1695 | ||
1696 | out: | |
84849903 | 1697 | drm_modeset_unlock_all(dev); |
8cf5c917 JB |
1698 | return ret; |
1699 | } | |
1700 | ||
1701 | /** | |
1702 | * drm_mode_getplane - get plane info | |
1703 | * @dev: DRM device | |
1704 | * @data: ioctl data | |
1705 | * @file_priv: DRM file info | |
1706 | * | |
1707 | * Return plane info, including formats supported, gamma size, any | |
1708 | * current fb, etc. | |
1709 | */ | |
1710 | int drm_mode_getplane(struct drm_device *dev, void *data, | |
1711 | struct drm_file *file_priv) | |
1712 | { | |
1713 | struct drm_mode_get_plane *plane_resp = data; | |
1714 | struct drm_mode_object *obj; | |
1715 | struct drm_plane *plane; | |
1716 | uint32_t __user *format_ptr; | |
1717 | int ret = 0; | |
1718 | ||
1719 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) | |
1720 | return -EINVAL; | |
1721 | ||
84849903 | 1722 | drm_modeset_lock_all(dev); |
8cf5c917 JB |
1723 | obj = drm_mode_object_find(dev, plane_resp->plane_id, |
1724 | DRM_MODE_OBJECT_PLANE); | |
1725 | if (!obj) { | |
1726 | ret = -ENOENT; | |
1727 | goto out; | |
1728 | } | |
1729 | plane = obj_to_plane(obj); | |
1730 | ||
1731 | if (plane->crtc) | |
1732 | plane_resp->crtc_id = plane->crtc->base.id; | |
1733 | else | |
1734 | plane_resp->crtc_id = 0; | |
1735 | ||
1736 | if (plane->fb) | |
1737 | plane_resp->fb_id = plane->fb->base.id; | |
1738 | else | |
1739 | plane_resp->fb_id = 0; | |
1740 | ||
1741 | plane_resp->plane_id = plane->base.id; | |
1742 | plane_resp->possible_crtcs = plane->possible_crtcs; | |
1743 | plane_resp->gamma_size = plane->gamma_size; | |
1744 | ||
1745 | /* | |
1746 | * This ioctl is called twice, once to determine how much space is | |
1747 | * needed, and the 2nd time to fill it. | |
1748 | */ | |
1749 | if (plane->format_count && | |
1750 | (plane_resp->count_format_types >= plane->format_count)) { | |
81f6c7f8 | 1751 | format_ptr = (uint32_t __user *)(unsigned long)plane_resp->format_type_ptr; |
8cf5c917 JB |
1752 | if (copy_to_user(format_ptr, |
1753 | plane->format_types, | |
1754 | sizeof(uint32_t) * plane->format_count)) { | |
1755 | ret = -EFAULT; | |
1756 | goto out; | |
1757 | } | |
1758 | } | |
1759 | plane_resp->count_format_types = plane->format_count; | |
1760 | ||
1761 | out: | |
84849903 | 1762 | drm_modeset_unlock_all(dev); |
8cf5c917 JB |
1763 | return ret; |
1764 | } | |
1765 | ||
1766 | /** | |
1767 | * drm_mode_setplane - set up or tear down an plane | |
1768 | * @dev: DRM device | |
1769 | * @data: ioctl data* | |
065a50ed | 1770 | * @file_priv: DRM file info |
8cf5c917 JB |
1771 | * |
1772 | * Set plane info, including placement, fb, scaling, and other factors. | |
1773 | * Or pass a NULL fb to disable. | |
1774 | */ | |
1775 | int drm_mode_setplane(struct drm_device *dev, void *data, | |
1776 | struct drm_file *file_priv) | |
1777 | { | |
1778 | struct drm_mode_set_plane *plane_req = data; | |
1779 | struct drm_mode_object *obj; | |
1780 | struct drm_plane *plane; | |
1781 | struct drm_crtc *crtc; | |
6c2a7532 | 1782 | struct drm_framebuffer *fb = NULL, *old_fb = NULL; |
8cf5c917 | 1783 | int ret = 0; |
42ef8789 | 1784 | unsigned int fb_width, fb_height; |
62443be6 | 1785 | int i; |
8cf5c917 JB |
1786 | |
1787 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) | |
1788 | return -EINVAL; | |
1789 | ||
8cf5c917 JB |
1790 | /* |
1791 | * First, find the plane, crtc, and fb objects. If not available, | |
1792 | * we don't bother to call the driver. | |
1793 | */ | |
1794 | obj = drm_mode_object_find(dev, plane_req->plane_id, | |
1795 | DRM_MODE_OBJECT_PLANE); | |
1796 | if (!obj) { | |
1797 | DRM_DEBUG_KMS("Unknown plane ID %d\n", | |
1798 | plane_req->plane_id); | |
6c2a7532 | 1799 | return -ENOENT; |
8cf5c917 JB |
1800 | } |
1801 | plane = obj_to_plane(obj); | |
1802 | ||
1803 | /* No fb means shut it down */ | |
1804 | if (!plane_req->fb_id) { | |
6c2a7532 DV |
1805 | drm_modeset_lock_all(dev); |
1806 | old_fb = plane->fb; | |
8cf5c917 | 1807 | plane->funcs->disable_plane(plane); |
e5e3b44c VS |
1808 | plane->crtc = NULL; |
1809 | plane->fb = NULL; | |
6c2a7532 | 1810 | drm_modeset_unlock_all(dev); |
8cf5c917 JB |
1811 | goto out; |
1812 | } | |
1813 | ||
1814 | obj = drm_mode_object_find(dev, plane_req->crtc_id, | |
1815 | DRM_MODE_OBJECT_CRTC); | |
1816 | if (!obj) { | |
1817 | DRM_DEBUG_KMS("Unknown crtc ID %d\n", | |
1818 | plane_req->crtc_id); | |
1819 | ret = -ENOENT; | |
1820 | goto out; | |
1821 | } | |
1822 | crtc = obj_to_crtc(obj); | |
1823 | ||
786b99ed DV |
1824 | fb = drm_framebuffer_lookup(dev, plane_req->fb_id); |
1825 | if (!fb) { | |
8cf5c917 JB |
1826 | DRM_DEBUG_KMS("Unknown framebuffer ID %d\n", |
1827 | plane_req->fb_id); | |
1828 | ret = -ENOENT; | |
1829 | goto out; | |
1830 | } | |
8cf5c917 | 1831 | |
62443be6 VS |
1832 | /* Check whether this plane supports the fb pixel format. */ |
1833 | for (i = 0; i < plane->format_count; i++) | |
1834 | if (fb->pixel_format == plane->format_types[i]) | |
1835 | break; | |
1836 | if (i == plane->format_count) { | |
1837 | DRM_DEBUG_KMS("Invalid pixel format 0x%08x\n", fb->pixel_format); | |
1838 | ret = -EINVAL; | |
1839 | goto out; | |
1840 | } | |
1841 | ||
42ef8789 VS |
1842 | fb_width = fb->width << 16; |
1843 | fb_height = fb->height << 16; | |
1844 | ||
1845 | /* Make sure source coordinates are inside the fb. */ | |
1846 | if (plane_req->src_w > fb_width || | |
1847 | plane_req->src_x > fb_width - plane_req->src_w || | |
1848 | plane_req->src_h > fb_height || | |
1849 | plane_req->src_y > fb_height - plane_req->src_h) { | |
1850 | DRM_DEBUG_KMS("Invalid source coordinates " | |
1851 | "%u.%06ux%u.%06u+%u.%06u+%u.%06u\n", | |
1852 | plane_req->src_w >> 16, | |
1853 | ((plane_req->src_w & 0xffff) * 15625) >> 10, | |
1854 | plane_req->src_h >> 16, | |
1855 | ((plane_req->src_h & 0xffff) * 15625) >> 10, | |
1856 | plane_req->src_x >> 16, | |
1857 | ((plane_req->src_x & 0xffff) * 15625) >> 10, | |
1858 | plane_req->src_y >> 16, | |
1859 | ((plane_req->src_y & 0xffff) * 15625) >> 10); | |
1860 | ret = -ENOSPC; | |
1861 | goto out; | |
1862 | } | |
1863 | ||
687a0400 VS |
1864 | /* Give drivers some help against integer overflows */ |
1865 | if (plane_req->crtc_w > INT_MAX || | |
1866 | plane_req->crtc_x > INT_MAX - (int32_t) plane_req->crtc_w || | |
1867 | plane_req->crtc_h > INT_MAX || | |
1868 | plane_req->crtc_y > INT_MAX - (int32_t) plane_req->crtc_h) { | |
1869 | DRM_DEBUG_KMS("Invalid CRTC coordinates %ux%u+%d+%d\n", | |
1870 | plane_req->crtc_w, plane_req->crtc_h, | |
1871 | plane_req->crtc_x, plane_req->crtc_y); | |
1872 | ret = -ERANGE; | |
1873 | goto out; | |
1874 | } | |
1875 | ||
6c2a7532 | 1876 | drm_modeset_lock_all(dev); |
8cf5c917 JB |
1877 | ret = plane->funcs->update_plane(plane, crtc, fb, |
1878 | plane_req->crtc_x, plane_req->crtc_y, | |
1879 | plane_req->crtc_w, plane_req->crtc_h, | |
1880 | plane_req->src_x, plane_req->src_y, | |
1881 | plane_req->src_w, plane_req->src_h); | |
1882 | if (!ret) { | |
6c2a7532 | 1883 | old_fb = plane->fb; |
8cf5c917 JB |
1884 | plane->crtc = crtc; |
1885 | plane->fb = fb; | |
35f8badc | 1886 | fb = NULL; |
8cf5c917 | 1887 | } |
6c2a7532 | 1888 | drm_modeset_unlock_all(dev); |
8cf5c917 JB |
1889 | |
1890 | out: | |
6c2a7532 DV |
1891 | if (fb) |
1892 | drm_framebuffer_unreference(fb); | |
1893 | if (old_fb) | |
1894 | drm_framebuffer_unreference(old_fb); | |
8cf5c917 JB |
1895 | |
1896 | return ret; | |
1897 | } | |
1898 | ||
2d13b679 DV |
1899 | /** |
1900 | * drm_mode_set_config_internal - helper to call ->set_config | |
1901 | * @set: modeset config to set | |
1902 | * | |
1903 | * This is a little helper to wrap internal calls to the ->set_config driver | |
1904 | * interface. The only thing it adds is correct refcounting dance. | |
1905 | */ | |
1906 | int drm_mode_set_config_internal(struct drm_mode_set *set) | |
1907 | { | |
1908 | struct drm_crtc *crtc = set->crtc; | |
b0d12325 DV |
1909 | struct drm_framebuffer *fb, *old_fb; |
1910 | int ret; | |
1911 | ||
1912 | old_fb = crtc->fb; | |
1913 | fb = set->fb; | |
2d13b679 | 1914 | |
b0d12325 DV |
1915 | ret = crtc->funcs->set_config(set); |
1916 | if (ret == 0) { | |
1917 | if (old_fb) | |
1918 | drm_framebuffer_unreference(old_fb); | |
1919 | if (fb) | |
1920 | drm_framebuffer_reference(fb); | |
1921 | } | |
1922 | ||
1923 | return ret; | |
2d13b679 DV |
1924 | } |
1925 | EXPORT_SYMBOL(drm_mode_set_config_internal); | |
1926 | ||
f453ba04 DA |
1927 | /** |
1928 | * drm_mode_setcrtc - set CRTC configuration | |
065a50ed DV |
1929 | * @dev: drm device for the ioctl |
1930 | * @data: data pointer for the ioctl | |
1931 | * @file_priv: drm file for the ioctl call | |
f453ba04 | 1932 | * |
f453ba04 DA |
1933 | * Build a new CRTC configuration based on user request. |
1934 | * | |
1935 | * Called by the user via ioctl. | |
1936 | * | |
1937 | * RETURNS: | |
1938 | * Zero on success, errno on failure. | |
1939 | */ | |
1940 | int drm_mode_setcrtc(struct drm_device *dev, void *data, | |
1941 | struct drm_file *file_priv) | |
1942 | { | |
1943 | struct drm_mode_config *config = &dev->mode_config; | |
1944 | struct drm_mode_crtc *crtc_req = data; | |
1945 | struct drm_mode_object *obj; | |
6653cc8d | 1946 | struct drm_crtc *crtc; |
f453ba04 DA |
1947 | struct drm_connector **connector_set = NULL, *connector; |
1948 | struct drm_framebuffer *fb = NULL; | |
1949 | struct drm_display_mode *mode = NULL; | |
1950 | struct drm_mode_set set; | |
1951 | uint32_t __user *set_connectors_ptr; | |
4a1b0714 | 1952 | int ret; |
f453ba04 DA |
1953 | int i; |
1954 | ||
fb3b06c8 DA |
1955 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1956 | return -EINVAL; | |
1957 | ||
1d97e915 VS |
1958 | /* For some reason crtc x/y offsets are signed internally. */ |
1959 | if (crtc_req->x > INT_MAX || crtc_req->y > INT_MAX) | |
1960 | return -ERANGE; | |
1961 | ||
84849903 | 1962 | drm_modeset_lock_all(dev); |
f453ba04 DA |
1963 | obj = drm_mode_object_find(dev, crtc_req->crtc_id, |
1964 | DRM_MODE_OBJECT_CRTC); | |
1965 | if (!obj) { | |
58367ed6 | 1966 | DRM_DEBUG_KMS("Unknown CRTC ID %d\n", crtc_req->crtc_id); |
f453ba04 DA |
1967 | ret = -EINVAL; |
1968 | goto out; | |
1969 | } | |
1970 | crtc = obj_to_crtc(obj); | |
9440106b | 1971 | DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id); |
f453ba04 DA |
1972 | |
1973 | if (crtc_req->mode_valid) { | |
7c80e128 | 1974 | int hdisplay, vdisplay; |
f453ba04 DA |
1975 | /* If we have a mode we need a framebuffer. */ |
1976 | /* If we pass -1, set the mode with the currently bound fb */ | |
1977 | if (crtc_req->fb_id == -1) { | |
6653cc8d VS |
1978 | if (!crtc->fb) { |
1979 | DRM_DEBUG_KMS("CRTC doesn't have current FB\n"); | |
1980 | ret = -EINVAL; | |
1981 | goto out; | |
f453ba04 | 1982 | } |
6653cc8d | 1983 | fb = crtc->fb; |
b0d12325 DV |
1984 | /* Make refcounting symmetric with the lookup path. */ |
1985 | drm_framebuffer_reference(fb); | |
f453ba04 | 1986 | } else { |
786b99ed DV |
1987 | fb = drm_framebuffer_lookup(dev, crtc_req->fb_id); |
1988 | if (!fb) { | |
58367ed6 ZY |
1989 | DRM_DEBUG_KMS("Unknown FB ID%d\n", |
1990 | crtc_req->fb_id); | |
f453ba04 DA |
1991 | ret = -EINVAL; |
1992 | goto out; | |
1993 | } | |
f453ba04 DA |
1994 | } |
1995 | ||
1996 | mode = drm_mode_create(dev); | |
ee34ab5b VS |
1997 | if (!mode) { |
1998 | ret = -ENOMEM; | |
1999 | goto out; | |
2000 | } | |
2001 | ||
90367bf6 VS |
2002 | ret = drm_crtc_convert_umode(mode, &crtc_req->mode); |
2003 | if (ret) { | |
2004 | DRM_DEBUG_KMS("Invalid mode\n"); | |
2005 | goto out; | |
2006 | } | |
2007 | ||
f453ba04 | 2008 | drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V); |
5f61bb42 | 2009 | |
7c80e128 RC |
2010 | hdisplay = mode->hdisplay; |
2011 | vdisplay = mode->vdisplay; | |
2012 | ||
2013 | if (crtc->invert_dimensions) | |
2014 | swap(hdisplay, vdisplay); | |
2015 | ||
2016 | if (hdisplay > fb->width || | |
2017 | vdisplay > fb->height || | |
2018 | crtc_req->x > fb->width - hdisplay || | |
2019 | crtc_req->y > fb->height - vdisplay) { | |
2020 | DRM_DEBUG_KMS("Invalid fb size %ux%u for CRTC viewport %ux%u+%d+%d%s.\n", | |
2021 | fb->width, fb->height, | |
2022 | hdisplay, vdisplay, crtc_req->x, crtc_req->y, | |
2023 | crtc->invert_dimensions ? " (inverted)" : ""); | |
5f61bb42 VS |
2024 | ret = -ENOSPC; |
2025 | goto out; | |
2026 | } | |
f453ba04 DA |
2027 | } |
2028 | ||
2029 | if (crtc_req->count_connectors == 0 && mode) { | |
58367ed6 | 2030 | DRM_DEBUG_KMS("Count connectors is 0 but mode set\n"); |
f453ba04 DA |
2031 | ret = -EINVAL; |
2032 | goto out; | |
2033 | } | |
2034 | ||
7781de74 | 2035 | if (crtc_req->count_connectors > 0 && (!mode || !fb)) { |
58367ed6 | 2036 | DRM_DEBUG_KMS("Count connectors is %d but no mode or fb set\n", |
f453ba04 DA |
2037 | crtc_req->count_connectors); |
2038 | ret = -EINVAL; | |
2039 | goto out; | |
2040 | } | |
2041 | ||
2042 | if (crtc_req->count_connectors > 0) { | |
2043 | u32 out_id; | |
2044 | ||
2045 | /* Avoid unbounded kernel memory allocation */ | |
2046 | if (crtc_req->count_connectors > config->num_connector) { | |
2047 | ret = -EINVAL; | |
2048 | goto out; | |
2049 | } | |
2050 | ||
2051 | connector_set = kmalloc(crtc_req->count_connectors * | |
2052 | sizeof(struct drm_connector *), | |
2053 | GFP_KERNEL); | |
2054 | if (!connector_set) { | |
2055 | ret = -ENOMEM; | |
2056 | goto out; | |
2057 | } | |
2058 | ||
2059 | for (i = 0; i < crtc_req->count_connectors; i++) { | |
81f6c7f8 | 2060 | set_connectors_ptr = (uint32_t __user *)(unsigned long)crtc_req->set_connectors_ptr; |
f453ba04 DA |
2061 | if (get_user(out_id, &set_connectors_ptr[i])) { |
2062 | ret = -EFAULT; | |
2063 | goto out; | |
2064 | } | |
2065 | ||
2066 | obj = drm_mode_object_find(dev, out_id, | |
2067 | DRM_MODE_OBJECT_CONNECTOR); | |
2068 | if (!obj) { | |
58367ed6 ZY |
2069 | DRM_DEBUG_KMS("Connector id %d unknown\n", |
2070 | out_id); | |
f453ba04 DA |
2071 | ret = -EINVAL; |
2072 | goto out; | |
2073 | } | |
2074 | connector = obj_to_connector(obj); | |
9440106b JG |
2075 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", |
2076 | connector->base.id, | |
2077 | drm_get_connector_name(connector)); | |
f453ba04 DA |
2078 | |
2079 | connector_set[i] = connector; | |
2080 | } | |
2081 | } | |
2082 | ||
2083 | set.crtc = crtc; | |
2084 | set.x = crtc_req->x; | |
2085 | set.y = crtc_req->y; | |
2086 | set.mode = mode; | |
2087 | set.connectors = connector_set; | |
2088 | set.num_connectors = crtc_req->count_connectors; | |
5ef5f72f | 2089 | set.fb = fb; |
2d13b679 | 2090 | ret = drm_mode_set_config_internal(&set); |
f453ba04 DA |
2091 | |
2092 | out: | |
b0d12325 DV |
2093 | if (fb) |
2094 | drm_framebuffer_unreference(fb); | |
2095 | ||
f453ba04 | 2096 | kfree(connector_set); |
ee34ab5b | 2097 | drm_mode_destroy(dev, mode); |
84849903 | 2098 | drm_modeset_unlock_all(dev); |
f453ba04 DA |
2099 | return ret; |
2100 | } | |
2101 | ||
2102 | int drm_mode_cursor_ioctl(struct drm_device *dev, | |
2103 | void *data, struct drm_file *file_priv) | |
2104 | { | |
2105 | struct drm_mode_cursor *req = data; | |
2106 | struct drm_mode_object *obj; | |
2107 | struct drm_crtc *crtc; | |
2108 | int ret = 0; | |
2109 | ||
fb3b06c8 DA |
2110 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2111 | return -EINVAL; | |
2112 | ||
7c4eaca4 | 2113 | if (!req->flags || (~DRM_MODE_CURSOR_FLAGS & req->flags)) |
f453ba04 | 2114 | return -EINVAL; |
f453ba04 | 2115 | |
e0c8463a | 2116 | obj = drm_mode_object_find(dev, req->crtc_id, DRM_MODE_OBJECT_CRTC); |
f453ba04 | 2117 | if (!obj) { |
58367ed6 | 2118 | DRM_DEBUG_KMS("Unknown CRTC ID %d\n", req->crtc_id); |
dac35663 | 2119 | return -EINVAL; |
f453ba04 DA |
2120 | } |
2121 | crtc = obj_to_crtc(obj); | |
2122 | ||
dac35663 | 2123 | mutex_lock(&crtc->mutex); |
f453ba04 DA |
2124 | if (req->flags & DRM_MODE_CURSOR_BO) { |
2125 | if (!crtc->funcs->cursor_set) { | |
f453ba04 DA |
2126 | ret = -ENXIO; |
2127 | goto out; | |
2128 | } | |
2129 | /* Turns off the cursor if handle is 0 */ | |
2130 | ret = crtc->funcs->cursor_set(crtc, file_priv, req->handle, | |
2131 | req->width, req->height); | |
2132 | } | |
2133 | ||
2134 | if (req->flags & DRM_MODE_CURSOR_MOVE) { | |
2135 | if (crtc->funcs->cursor_move) { | |
2136 | ret = crtc->funcs->cursor_move(crtc, req->x, req->y); | |
2137 | } else { | |
f453ba04 DA |
2138 | ret = -EFAULT; |
2139 | goto out; | |
2140 | } | |
2141 | } | |
2142 | out: | |
dac35663 DV |
2143 | mutex_unlock(&crtc->mutex); |
2144 | ||
f453ba04 DA |
2145 | return ret; |
2146 | } | |
2147 | ||
308e5bcb JB |
2148 | /* Original addfb only supported RGB formats, so figure out which one */ |
2149 | uint32_t drm_mode_legacy_fb_format(uint32_t bpp, uint32_t depth) | |
2150 | { | |
2151 | uint32_t fmt; | |
2152 | ||
2153 | switch (bpp) { | |
2154 | case 8: | |
d84f031b | 2155 | fmt = DRM_FORMAT_C8; |
308e5bcb JB |
2156 | break; |
2157 | case 16: | |
2158 | if (depth == 15) | |
04b3924d | 2159 | fmt = DRM_FORMAT_XRGB1555; |
308e5bcb | 2160 | else |
04b3924d | 2161 | fmt = DRM_FORMAT_RGB565; |
308e5bcb JB |
2162 | break; |
2163 | case 24: | |
04b3924d | 2164 | fmt = DRM_FORMAT_RGB888; |
308e5bcb JB |
2165 | break; |
2166 | case 32: | |
2167 | if (depth == 24) | |
04b3924d | 2168 | fmt = DRM_FORMAT_XRGB8888; |
308e5bcb | 2169 | else if (depth == 30) |
04b3924d | 2170 | fmt = DRM_FORMAT_XRGB2101010; |
308e5bcb | 2171 | else |
04b3924d | 2172 | fmt = DRM_FORMAT_ARGB8888; |
308e5bcb JB |
2173 | break; |
2174 | default: | |
04b3924d VS |
2175 | DRM_ERROR("bad bpp, assuming x8r8g8b8 pixel format\n"); |
2176 | fmt = DRM_FORMAT_XRGB8888; | |
308e5bcb JB |
2177 | break; |
2178 | } | |
2179 | ||
2180 | return fmt; | |
2181 | } | |
2182 | EXPORT_SYMBOL(drm_mode_legacy_fb_format); | |
2183 | ||
f453ba04 DA |
2184 | /** |
2185 | * drm_mode_addfb - add an FB to the graphics configuration | |
065a50ed DV |
2186 | * @dev: drm device for the ioctl |
2187 | * @data: data pointer for the ioctl | |
2188 | * @file_priv: drm file for the ioctl call | |
f453ba04 | 2189 | * |
f453ba04 DA |
2190 | * Add a new FB to the specified CRTC, given a user request. |
2191 | * | |
2192 | * Called by the user via ioctl. | |
2193 | * | |
2194 | * RETURNS: | |
2195 | * Zero on success, errno on failure. | |
2196 | */ | |
2197 | int drm_mode_addfb(struct drm_device *dev, | |
2198 | void *data, struct drm_file *file_priv) | |
2199 | { | |
308e5bcb JB |
2200 | struct drm_mode_fb_cmd *or = data; |
2201 | struct drm_mode_fb_cmd2 r = {}; | |
2202 | struct drm_mode_config *config = &dev->mode_config; | |
2203 | struct drm_framebuffer *fb; | |
2204 | int ret = 0; | |
2205 | ||
2206 | /* Use new struct with format internally */ | |
2207 | r.fb_id = or->fb_id; | |
2208 | r.width = or->width; | |
2209 | r.height = or->height; | |
2210 | r.pitches[0] = or->pitch; | |
2211 | r.pixel_format = drm_mode_legacy_fb_format(or->bpp, or->depth); | |
2212 | r.handles[0] = or->handle; | |
2213 | ||
2214 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) | |
2215 | return -EINVAL; | |
2216 | ||
acb4b992 | 2217 | if ((config->min_width > r.width) || (r.width > config->max_width)) |
308e5bcb | 2218 | return -EINVAL; |
acb4b992 JB |
2219 | |
2220 | if ((config->min_height > r.height) || (r.height > config->max_height)) | |
308e5bcb | 2221 | return -EINVAL; |
308e5bcb | 2222 | |
308e5bcb JB |
2223 | fb = dev->mode_config.funcs->fb_create(dev, file_priv, &r); |
2224 | if (IS_ERR(fb)) { | |
1aa1b11c | 2225 | DRM_DEBUG_KMS("could not create framebuffer\n"); |
4b096ac1 | 2226 | return PTR_ERR(fb); |
308e5bcb JB |
2227 | } |
2228 | ||
4b096ac1 | 2229 | mutex_lock(&file_priv->fbs_lock); |
308e5bcb JB |
2230 | or->fb_id = fb->base.id; |
2231 | list_add(&fb->filp_head, &file_priv->fbs); | |
2232 | DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id); | |
4b096ac1 | 2233 | mutex_unlock(&file_priv->fbs_lock); |
4b096ac1 | 2234 | |
308e5bcb JB |
2235 | return ret; |
2236 | } | |
2237 | ||
cff91b62 | 2238 | static int format_check(const struct drm_mode_fb_cmd2 *r) |
935b5977 VS |
2239 | { |
2240 | uint32_t format = r->pixel_format & ~DRM_FORMAT_BIG_ENDIAN; | |
2241 | ||
2242 | switch (format) { | |
2243 | case DRM_FORMAT_C8: | |
2244 | case DRM_FORMAT_RGB332: | |
2245 | case DRM_FORMAT_BGR233: | |
2246 | case DRM_FORMAT_XRGB4444: | |
2247 | case DRM_FORMAT_XBGR4444: | |
2248 | case DRM_FORMAT_RGBX4444: | |
2249 | case DRM_FORMAT_BGRX4444: | |
2250 | case DRM_FORMAT_ARGB4444: | |
2251 | case DRM_FORMAT_ABGR4444: | |
2252 | case DRM_FORMAT_RGBA4444: | |
2253 | case DRM_FORMAT_BGRA4444: | |
2254 | case DRM_FORMAT_XRGB1555: | |
2255 | case DRM_FORMAT_XBGR1555: | |
2256 | case DRM_FORMAT_RGBX5551: | |
2257 | case DRM_FORMAT_BGRX5551: | |
2258 | case DRM_FORMAT_ARGB1555: | |
2259 | case DRM_FORMAT_ABGR1555: | |
2260 | case DRM_FORMAT_RGBA5551: | |
2261 | case DRM_FORMAT_BGRA5551: | |
2262 | case DRM_FORMAT_RGB565: | |
2263 | case DRM_FORMAT_BGR565: | |
2264 | case DRM_FORMAT_RGB888: | |
2265 | case DRM_FORMAT_BGR888: | |
2266 | case DRM_FORMAT_XRGB8888: | |
2267 | case DRM_FORMAT_XBGR8888: | |
2268 | case DRM_FORMAT_RGBX8888: | |
2269 | case DRM_FORMAT_BGRX8888: | |
2270 | case DRM_FORMAT_ARGB8888: | |
2271 | case DRM_FORMAT_ABGR8888: | |
2272 | case DRM_FORMAT_RGBA8888: | |
2273 | case DRM_FORMAT_BGRA8888: | |
2274 | case DRM_FORMAT_XRGB2101010: | |
2275 | case DRM_FORMAT_XBGR2101010: | |
2276 | case DRM_FORMAT_RGBX1010102: | |
2277 | case DRM_FORMAT_BGRX1010102: | |
2278 | case DRM_FORMAT_ARGB2101010: | |
2279 | case DRM_FORMAT_ABGR2101010: | |
2280 | case DRM_FORMAT_RGBA1010102: | |
2281 | case DRM_FORMAT_BGRA1010102: | |
2282 | case DRM_FORMAT_YUYV: | |
2283 | case DRM_FORMAT_YVYU: | |
2284 | case DRM_FORMAT_UYVY: | |
2285 | case DRM_FORMAT_VYUY: | |
2286 | case DRM_FORMAT_AYUV: | |
2287 | case DRM_FORMAT_NV12: | |
2288 | case DRM_FORMAT_NV21: | |
2289 | case DRM_FORMAT_NV16: | |
2290 | case DRM_FORMAT_NV61: | |
ba623f6a LP |
2291 | case DRM_FORMAT_NV24: |
2292 | case DRM_FORMAT_NV42: | |
935b5977 VS |
2293 | case DRM_FORMAT_YUV410: |
2294 | case DRM_FORMAT_YVU410: | |
2295 | case DRM_FORMAT_YUV411: | |
2296 | case DRM_FORMAT_YVU411: | |
2297 | case DRM_FORMAT_YUV420: | |
2298 | case DRM_FORMAT_YVU420: | |
2299 | case DRM_FORMAT_YUV422: | |
2300 | case DRM_FORMAT_YVU422: | |
2301 | case DRM_FORMAT_YUV444: | |
2302 | case DRM_FORMAT_YVU444: | |
2303 | return 0; | |
2304 | default: | |
2305 | return -EINVAL; | |
2306 | } | |
2307 | } | |
2308 | ||
cff91b62 | 2309 | static int framebuffer_check(const struct drm_mode_fb_cmd2 *r) |
d1b45d5f VS |
2310 | { |
2311 | int ret, hsub, vsub, num_planes, i; | |
2312 | ||
2313 | ret = format_check(r); | |
2314 | if (ret) { | |
1aa1b11c | 2315 | DRM_DEBUG_KMS("bad framebuffer format 0x%08x\n", r->pixel_format); |
d1b45d5f VS |
2316 | return ret; |
2317 | } | |
2318 | ||
2319 | hsub = drm_format_horz_chroma_subsampling(r->pixel_format); | |
2320 | vsub = drm_format_vert_chroma_subsampling(r->pixel_format); | |
2321 | num_planes = drm_format_num_planes(r->pixel_format); | |
2322 | ||
2323 | if (r->width == 0 || r->width % hsub) { | |
1aa1b11c | 2324 | DRM_DEBUG_KMS("bad framebuffer width %u\n", r->height); |
d1b45d5f VS |
2325 | return -EINVAL; |
2326 | } | |
2327 | ||
2328 | if (r->height == 0 || r->height % vsub) { | |
1aa1b11c | 2329 | DRM_DEBUG_KMS("bad framebuffer height %u\n", r->height); |
d1b45d5f VS |
2330 | return -EINVAL; |
2331 | } | |
2332 | ||
2333 | for (i = 0; i < num_planes; i++) { | |
2334 | unsigned int width = r->width / (i != 0 ? hsub : 1); | |
b180b5d1 VS |
2335 | unsigned int height = r->height / (i != 0 ? vsub : 1); |
2336 | unsigned int cpp = drm_format_plane_cpp(r->pixel_format, i); | |
d1b45d5f VS |
2337 | |
2338 | if (!r->handles[i]) { | |
1aa1b11c | 2339 | DRM_DEBUG_KMS("no buffer object handle for plane %d\n", i); |
d1b45d5f VS |
2340 | return -EINVAL; |
2341 | } | |
2342 | ||
b180b5d1 VS |
2343 | if ((uint64_t) width * cpp > UINT_MAX) |
2344 | return -ERANGE; | |
2345 | ||
2346 | if ((uint64_t) height * r->pitches[i] + r->offsets[i] > UINT_MAX) | |
2347 | return -ERANGE; | |
2348 | ||
2349 | if (r->pitches[i] < width * cpp) { | |
1aa1b11c | 2350 | DRM_DEBUG_KMS("bad pitch %u for plane %d\n", r->pitches[i], i); |
d1b45d5f VS |
2351 | return -EINVAL; |
2352 | } | |
2353 | } | |
2354 | ||
2355 | return 0; | |
2356 | } | |
2357 | ||
308e5bcb JB |
2358 | /** |
2359 | * drm_mode_addfb2 - add an FB to the graphics configuration | |
065a50ed DV |
2360 | * @dev: drm device for the ioctl |
2361 | * @data: data pointer for the ioctl | |
2362 | * @file_priv: drm file for the ioctl call | |
308e5bcb | 2363 | * |
308e5bcb JB |
2364 | * Add a new FB to the specified CRTC, given a user request with format. |
2365 | * | |
2366 | * Called by the user via ioctl. | |
2367 | * | |
2368 | * RETURNS: | |
2369 | * Zero on success, errno on failure. | |
2370 | */ | |
2371 | int drm_mode_addfb2(struct drm_device *dev, | |
2372 | void *data, struct drm_file *file_priv) | |
2373 | { | |
2374 | struct drm_mode_fb_cmd2 *r = data; | |
f453ba04 DA |
2375 | struct drm_mode_config *config = &dev->mode_config; |
2376 | struct drm_framebuffer *fb; | |
4a1b0714 | 2377 | int ret; |
f453ba04 | 2378 | |
fb3b06c8 DA |
2379 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2380 | return -EINVAL; | |
2381 | ||
e3cc3520 VS |
2382 | if (r->flags & ~DRM_MODE_FB_INTERLACED) { |
2383 | DRM_DEBUG_KMS("bad framebuffer flags 0x%08x\n", r->flags); | |
2384 | return -EINVAL; | |
2385 | } | |
2386 | ||
f453ba04 | 2387 | if ((config->min_width > r->width) || (r->width > config->max_width)) { |
1aa1b11c | 2388 | DRM_DEBUG_KMS("bad framebuffer width %d, should be >= %d && <= %d\n", |
8cf5c917 | 2389 | r->width, config->min_width, config->max_width); |
f453ba04 DA |
2390 | return -EINVAL; |
2391 | } | |
2392 | if ((config->min_height > r->height) || (r->height > config->max_height)) { | |
1aa1b11c | 2393 | DRM_DEBUG_KMS("bad framebuffer height %d, should be >= %d && <= %d\n", |
8cf5c917 | 2394 | r->height, config->min_height, config->max_height); |
f453ba04 DA |
2395 | return -EINVAL; |
2396 | } | |
2397 | ||
d1b45d5f VS |
2398 | ret = framebuffer_check(r); |
2399 | if (ret) | |
935b5977 | 2400 | return ret; |
935b5977 | 2401 | |
f453ba04 | 2402 | fb = dev->mode_config.funcs->fb_create(dev, file_priv, r); |
cce13ff7 | 2403 | if (IS_ERR(fb)) { |
1aa1b11c | 2404 | DRM_DEBUG_KMS("could not create framebuffer\n"); |
4b096ac1 | 2405 | return PTR_ERR(fb); |
f453ba04 DA |
2406 | } |
2407 | ||
4b096ac1 | 2408 | mutex_lock(&file_priv->fbs_lock); |
e0c8463a | 2409 | r->fb_id = fb->base.id; |
f453ba04 | 2410 | list_add(&fb->filp_head, &file_priv->fbs); |
9440106b | 2411 | DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id); |
4b096ac1 | 2412 | mutex_unlock(&file_priv->fbs_lock); |
f453ba04 | 2413 | |
4b096ac1 | 2414 | |
f453ba04 DA |
2415 | return ret; |
2416 | } | |
2417 | ||
2418 | /** | |
2419 | * drm_mode_rmfb - remove an FB from the configuration | |
065a50ed DV |
2420 | * @dev: drm device for the ioctl |
2421 | * @data: data pointer for the ioctl | |
2422 | * @file_priv: drm file for the ioctl call | |
f453ba04 | 2423 | * |
f453ba04 DA |
2424 | * Remove the FB specified by the user. |
2425 | * | |
2426 | * Called by the user via ioctl. | |
2427 | * | |
2428 | * RETURNS: | |
2429 | * Zero on success, errno on failure. | |
2430 | */ | |
2431 | int drm_mode_rmfb(struct drm_device *dev, | |
2432 | void *data, struct drm_file *file_priv) | |
2433 | { | |
f453ba04 DA |
2434 | struct drm_framebuffer *fb = NULL; |
2435 | struct drm_framebuffer *fbl = NULL; | |
2436 | uint32_t *id = data; | |
f453ba04 DA |
2437 | int found = 0; |
2438 | ||
fb3b06c8 DA |
2439 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2440 | return -EINVAL; | |
2441 | ||
4b096ac1 | 2442 | mutex_lock(&file_priv->fbs_lock); |
2b677e8c DV |
2443 | mutex_lock(&dev->mode_config.fb_lock); |
2444 | fb = __drm_framebuffer_lookup(dev, *id); | |
2445 | if (!fb) | |
2446 | goto fail_lookup; | |
2447 | ||
f453ba04 DA |
2448 | list_for_each_entry(fbl, &file_priv->fbs, filp_head) |
2449 | if (fb == fbl) | |
2450 | found = 1; | |
2b677e8c DV |
2451 | if (!found) |
2452 | goto fail_lookup; | |
2453 | ||
2454 | /* Mark fb as reaped, we still have a ref from fpriv->fbs. */ | |
2455 | __drm_framebuffer_unregister(dev, fb); | |
f453ba04 | 2456 | |
4b096ac1 | 2457 | list_del_init(&fb->filp_head); |
2b677e8c | 2458 | mutex_unlock(&dev->mode_config.fb_lock); |
4b096ac1 | 2459 | mutex_unlock(&file_priv->fbs_lock); |
f453ba04 | 2460 | |
4b096ac1 | 2461 | drm_framebuffer_remove(fb); |
4b096ac1 | 2462 | |
2b677e8c DV |
2463 | return 0; |
2464 | ||
2465 | fail_lookup: | |
2466 | mutex_unlock(&dev->mode_config.fb_lock); | |
2467 | mutex_unlock(&file_priv->fbs_lock); | |
2468 | ||
2469 | return -EINVAL; | |
f453ba04 DA |
2470 | } |
2471 | ||
2472 | /** | |
2473 | * drm_mode_getfb - get FB info | |
065a50ed DV |
2474 | * @dev: drm device for the ioctl |
2475 | * @data: data pointer for the ioctl | |
2476 | * @file_priv: drm file for the ioctl call | |
f453ba04 | 2477 | * |
f453ba04 DA |
2478 | * Lookup the FB given its ID and return info about it. |
2479 | * | |
2480 | * Called by the user via ioctl. | |
2481 | * | |
2482 | * RETURNS: | |
2483 | * Zero on success, errno on failure. | |
2484 | */ | |
2485 | int drm_mode_getfb(struct drm_device *dev, | |
2486 | void *data, struct drm_file *file_priv) | |
2487 | { | |
2488 | struct drm_mode_fb_cmd *r = data; | |
f453ba04 | 2489 | struct drm_framebuffer *fb; |
58c0dca1 | 2490 | int ret; |
f453ba04 | 2491 | |
fb3b06c8 DA |
2492 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2493 | return -EINVAL; | |
2494 | ||
786b99ed | 2495 | fb = drm_framebuffer_lookup(dev, r->fb_id); |
58c0dca1 DV |
2496 | if (!fb) |
2497 | return -EINVAL; | |
f453ba04 DA |
2498 | |
2499 | r->height = fb->height; | |
2500 | r->width = fb->width; | |
2501 | r->depth = fb->depth; | |
2502 | r->bpp = fb->bits_per_pixel; | |
01f2c773 | 2503 | r->pitch = fb->pitches[0]; |
af26ef3b DV |
2504 | if (fb->funcs->create_handle) |
2505 | ret = fb->funcs->create_handle(fb, file_priv, &r->handle); | |
2506 | else | |
2507 | ret = -ENODEV; | |
f453ba04 | 2508 | |
58c0dca1 DV |
2509 | drm_framebuffer_unreference(fb); |
2510 | ||
f453ba04 DA |
2511 | return ret; |
2512 | } | |
2513 | ||
884840aa JB |
2514 | int drm_mode_dirtyfb_ioctl(struct drm_device *dev, |
2515 | void *data, struct drm_file *file_priv) | |
2516 | { | |
2517 | struct drm_clip_rect __user *clips_ptr; | |
2518 | struct drm_clip_rect *clips = NULL; | |
2519 | struct drm_mode_fb_dirty_cmd *r = data; | |
884840aa JB |
2520 | struct drm_framebuffer *fb; |
2521 | unsigned flags; | |
2522 | int num_clips; | |
4a1b0714 | 2523 | int ret; |
884840aa | 2524 | |
fb3b06c8 DA |
2525 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2526 | return -EINVAL; | |
2527 | ||
786b99ed | 2528 | fb = drm_framebuffer_lookup(dev, r->fb_id); |
4ccf097f DV |
2529 | if (!fb) |
2530 | return -EINVAL; | |
884840aa JB |
2531 | |
2532 | num_clips = r->num_clips; | |
81f6c7f8 | 2533 | clips_ptr = (struct drm_clip_rect __user *)(unsigned long)r->clips_ptr; |
884840aa JB |
2534 | |
2535 | if (!num_clips != !clips_ptr) { | |
2536 | ret = -EINVAL; | |
2537 | goto out_err1; | |
2538 | } | |
2539 | ||
2540 | flags = DRM_MODE_FB_DIRTY_FLAGS & r->flags; | |
2541 | ||
2542 | /* If userspace annotates copy, clips must come in pairs */ | |
2543 | if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY && (num_clips % 2)) { | |
2544 | ret = -EINVAL; | |
2545 | goto out_err1; | |
2546 | } | |
2547 | ||
2548 | if (num_clips && clips_ptr) { | |
a5cd3351 XW |
2549 | if (num_clips < 0 || num_clips > DRM_MODE_FB_DIRTY_MAX_CLIPS) { |
2550 | ret = -EINVAL; | |
2551 | goto out_err1; | |
2552 | } | |
884840aa JB |
2553 | clips = kzalloc(num_clips * sizeof(*clips), GFP_KERNEL); |
2554 | if (!clips) { | |
2555 | ret = -ENOMEM; | |
2556 | goto out_err1; | |
2557 | } | |
2558 | ||
2559 | ret = copy_from_user(clips, clips_ptr, | |
2560 | num_clips * sizeof(*clips)); | |
e902a358 DC |
2561 | if (ret) { |
2562 | ret = -EFAULT; | |
884840aa | 2563 | goto out_err2; |
e902a358 | 2564 | } |
884840aa JB |
2565 | } |
2566 | ||
2567 | if (fb->funcs->dirty) { | |
4ccf097f | 2568 | drm_modeset_lock_all(dev); |
02b00162 TH |
2569 | ret = fb->funcs->dirty(fb, file_priv, flags, r->color, |
2570 | clips, num_clips); | |
4ccf097f | 2571 | drm_modeset_unlock_all(dev); |
884840aa JB |
2572 | } else { |
2573 | ret = -ENOSYS; | |
884840aa JB |
2574 | } |
2575 | ||
2576 | out_err2: | |
2577 | kfree(clips); | |
2578 | out_err1: | |
4ccf097f DV |
2579 | drm_framebuffer_unreference(fb); |
2580 | ||
884840aa JB |
2581 | return ret; |
2582 | } | |
2583 | ||
2584 | ||
f453ba04 DA |
2585 | /** |
2586 | * drm_fb_release - remove and free the FBs on this file | |
065a50ed | 2587 | * @priv: drm file for the ioctl |
f453ba04 | 2588 | * |
f453ba04 DA |
2589 | * Destroy all the FBs associated with @filp. |
2590 | * | |
2591 | * Called by the user via ioctl. | |
2592 | * | |
2593 | * RETURNS: | |
2594 | * Zero on success, errno on failure. | |
2595 | */ | |
ea39f835 | 2596 | void drm_fb_release(struct drm_file *priv) |
f453ba04 | 2597 | { |
f453ba04 DA |
2598 | struct drm_device *dev = priv->minor->dev; |
2599 | struct drm_framebuffer *fb, *tfb; | |
2600 | ||
4b096ac1 | 2601 | mutex_lock(&priv->fbs_lock); |
f453ba04 | 2602 | list_for_each_entry_safe(fb, tfb, &priv->fbs, filp_head) { |
2b677e8c DV |
2603 | |
2604 | mutex_lock(&dev->mode_config.fb_lock); | |
2605 | /* Mark fb as reaped, we still have a ref from fpriv->fbs. */ | |
2606 | __drm_framebuffer_unregister(dev, fb); | |
2607 | mutex_unlock(&dev->mode_config.fb_lock); | |
2608 | ||
4b096ac1 | 2609 | list_del_init(&fb->filp_head); |
2b677e8c DV |
2610 | |
2611 | /* This will also drop the fpriv->fbs reference. */ | |
f7eff60e | 2612 | drm_framebuffer_remove(fb); |
f453ba04 | 2613 | } |
4b096ac1 | 2614 | mutex_unlock(&priv->fbs_lock); |
f453ba04 DA |
2615 | } |
2616 | ||
f453ba04 DA |
2617 | struct drm_property *drm_property_create(struct drm_device *dev, int flags, |
2618 | const char *name, int num_values) | |
2619 | { | |
2620 | struct drm_property *property = NULL; | |
6bfc56aa | 2621 | int ret; |
f453ba04 DA |
2622 | |
2623 | property = kzalloc(sizeof(struct drm_property), GFP_KERNEL); | |
2624 | if (!property) | |
2625 | return NULL; | |
2626 | ||
2627 | if (num_values) { | |
2628 | property->values = kzalloc(sizeof(uint64_t)*num_values, GFP_KERNEL); | |
2629 | if (!property->values) | |
2630 | goto fail; | |
2631 | } | |
2632 | ||
6bfc56aa VS |
2633 | ret = drm_mode_object_get(dev, &property->base, DRM_MODE_OBJECT_PROPERTY); |
2634 | if (ret) | |
2635 | goto fail; | |
2636 | ||
f453ba04 DA |
2637 | property->flags = flags; |
2638 | property->num_values = num_values; | |
2639 | INIT_LIST_HEAD(&property->enum_blob_list); | |
2640 | ||
471dd2ef | 2641 | if (name) { |
f453ba04 | 2642 | strncpy(property->name, name, DRM_PROP_NAME_LEN); |
471dd2ef VL |
2643 | property->name[DRM_PROP_NAME_LEN-1] = '\0'; |
2644 | } | |
f453ba04 DA |
2645 | |
2646 | list_add_tail(&property->head, &dev->mode_config.property_list); | |
2647 | return property; | |
2648 | fail: | |
6bfc56aa | 2649 | kfree(property->values); |
f453ba04 DA |
2650 | kfree(property); |
2651 | return NULL; | |
2652 | } | |
2653 | EXPORT_SYMBOL(drm_property_create); | |
2654 | ||
4a67d391 SH |
2655 | struct drm_property *drm_property_create_enum(struct drm_device *dev, int flags, |
2656 | const char *name, | |
2657 | const struct drm_prop_enum_list *props, | |
2658 | int num_values) | |
2659 | { | |
2660 | struct drm_property *property; | |
2661 | int i, ret; | |
2662 | ||
2663 | flags |= DRM_MODE_PROP_ENUM; | |
2664 | ||
2665 | property = drm_property_create(dev, flags, name, num_values); | |
2666 | if (!property) | |
2667 | return NULL; | |
2668 | ||
2669 | for (i = 0; i < num_values; i++) { | |
2670 | ret = drm_property_add_enum(property, i, | |
2671 | props[i].type, | |
2672 | props[i].name); | |
2673 | if (ret) { | |
2674 | drm_property_destroy(dev, property); | |
2675 | return NULL; | |
2676 | } | |
2677 | } | |
2678 | ||
2679 | return property; | |
2680 | } | |
2681 | EXPORT_SYMBOL(drm_property_create_enum); | |
2682 | ||
49e27545 RC |
2683 | struct drm_property *drm_property_create_bitmask(struct drm_device *dev, |
2684 | int flags, const char *name, | |
2685 | const struct drm_prop_enum_list *props, | |
2686 | int num_values) | |
2687 | { | |
2688 | struct drm_property *property; | |
2689 | int i, ret; | |
2690 | ||
2691 | flags |= DRM_MODE_PROP_BITMASK; | |
2692 | ||
2693 | property = drm_property_create(dev, flags, name, num_values); | |
2694 | if (!property) | |
2695 | return NULL; | |
2696 | ||
2697 | for (i = 0; i < num_values; i++) { | |
2698 | ret = drm_property_add_enum(property, i, | |
2699 | props[i].type, | |
2700 | props[i].name); | |
2701 | if (ret) { | |
2702 | drm_property_destroy(dev, property); | |
2703 | return NULL; | |
2704 | } | |
2705 | } | |
2706 | ||
2707 | return property; | |
2708 | } | |
2709 | EXPORT_SYMBOL(drm_property_create_bitmask); | |
2710 | ||
d9bc3c02 SH |
2711 | struct drm_property *drm_property_create_range(struct drm_device *dev, int flags, |
2712 | const char *name, | |
2713 | uint64_t min, uint64_t max) | |
2714 | { | |
2715 | struct drm_property *property; | |
2716 | ||
2717 | flags |= DRM_MODE_PROP_RANGE; | |
2718 | ||
2719 | property = drm_property_create(dev, flags, name, 2); | |
2720 | if (!property) | |
2721 | return NULL; | |
2722 | ||
2723 | property->values[0] = min; | |
2724 | property->values[1] = max; | |
2725 | ||
2726 | return property; | |
2727 | } | |
2728 | EXPORT_SYMBOL(drm_property_create_range); | |
2729 | ||
f453ba04 DA |
2730 | int drm_property_add_enum(struct drm_property *property, int index, |
2731 | uint64_t value, const char *name) | |
2732 | { | |
2733 | struct drm_property_enum *prop_enum; | |
2734 | ||
49e27545 RC |
2735 | if (!(property->flags & (DRM_MODE_PROP_ENUM | DRM_MODE_PROP_BITMASK))) |
2736 | return -EINVAL; | |
2737 | ||
2738 | /* | |
2739 | * Bitmask enum properties have the additional constraint of values | |
2740 | * from 0 to 63 | |
2741 | */ | |
2742 | if ((property->flags & DRM_MODE_PROP_BITMASK) && (value > 63)) | |
f453ba04 DA |
2743 | return -EINVAL; |
2744 | ||
2745 | if (!list_empty(&property->enum_blob_list)) { | |
2746 | list_for_each_entry(prop_enum, &property->enum_blob_list, head) { | |
2747 | if (prop_enum->value == value) { | |
2748 | strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); | |
2749 | prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; | |
2750 | return 0; | |
2751 | } | |
2752 | } | |
2753 | } | |
2754 | ||
2755 | prop_enum = kzalloc(sizeof(struct drm_property_enum), GFP_KERNEL); | |
2756 | if (!prop_enum) | |
2757 | return -ENOMEM; | |
2758 | ||
2759 | strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); | |
2760 | prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; | |
2761 | prop_enum->value = value; | |
2762 | ||
2763 | property->values[index] = value; | |
2764 | list_add_tail(&prop_enum->head, &property->enum_blob_list); | |
2765 | return 0; | |
2766 | } | |
2767 | EXPORT_SYMBOL(drm_property_add_enum); | |
2768 | ||
2769 | void drm_property_destroy(struct drm_device *dev, struct drm_property *property) | |
2770 | { | |
2771 | struct drm_property_enum *prop_enum, *pt; | |
2772 | ||
2773 | list_for_each_entry_safe(prop_enum, pt, &property->enum_blob_list, head) { | |
2774 | list_del(&prop_enum->head); | |
2775 | kfree(prop_enum); | |
2776 | } | |
2777 | ||
2778 | if (property->num_values) | |
2779 | kfree(property->values); | |
2780 | drm_mode_object_put(dev, &property->base); | |
2781 | list_del(&property->head); | |
2782 | kfree(property); | |
2783 | } | |
2784 | EXPORT_SYMBOL(drm_property_destroy); | |
2785 | ||
c543188a PZ |
2786 | void drm_object_attach_property(struct drm_mode_object *obj, |
2787 | struct drm_property *property, | |
2788 | uint64_t init_val) | |
2789 | { | |
7f88a9be | 2790 | int count = obj->properties->count; |
c543188a | 2791 | |
7f88a9be PZ |
2792 | if (count == DRM_OBJECT_MAX_PROPERTY) { |
2793 | WARN(1, "Failed to attach object property (type: 0x%x). Please " | |
2794 | "increase DRM_OBJECT_MAX_PROPERTY by 1 for each time " | |
2795 | "you see this message on the same object type.\n", | |
2796 | obj->type); | |
2797 | return; | |
c543188a PZ |
2798 | } |
2799 | ||
7f88a9be PZ |
2800 | obj->properties->ids[count] = property->base.id; |
2801 | obj->properties->values[count] = init_val; | |
2802 | obj->properties->count++; | |
c543188a PZ |
2803 | } |
2804 | EXPORT_SYMBOL(drm_object_attach_property); | |
2805 | ||
2806 | int drm_object_property_set_value(struct drm_mode_object *obj, | |
2807 | struct drm_property *property, uint64_t val) | |
2808 | { | |
2809 | int i; | |
2810 | ||
7f88a9be | 2811 | for (i = 0; i < obj->properties->count; i++) { |
c543188a PZ |
2812 | if (obj->properties->ids[i] == property->base.id) { |
2813 | obj->properties->values[i] = val; | |
2814 | return 0; | |
2815 | } | |
2816 | } | |
2817 | ||
2818 | return -EINVAL; | |
2819 | } | |
2820 | EXPORT_SYMBOL(drm_object_property_set_value); | |
2821 | ||
2822 | int drm_object_property_get_value(struct drm_mode_object *obj, | |
2823 | struct drm_property *property, uint64_t *val) | |
2824 | { | |
2825 | int i; | |
2826 | ||
7f88a9be | 2827 | for (i = 0; i < obj->properties->count; i++) { |
c543188a PZ |
2828 | if (obj->properties->ids[i] == property->base.id) { |
2829 | *val = obj->properties->values[i]; | |
2830 | return 0; | |
2831 | } | |
2832 | } | |
2833 | ||
2834 | return -EINVAL; | |
2835 | } | |
2836 | EXPORT_SYMBOL(drm_object_property_get_value); | |
2837 | ||
f453ba04 DA |
2838 | int drm_mode_getproperty_ioctl(struct drm_device *dev, |
2839 | void *data, struct drm_file *file_priv) | |
2840 | { | |
2841 | struct drm_mode_object *obj; | |
2842 | struct drm_mode_get_property *out_resp = data; | |
2843 | struct drm_property *property; | |
2844 | int enum_count = 0; | |
2845 | int blob_count = 0; | |
2846 | int value_count = 0; | |
2847 | int ret = 0, i; | |
2848 | int copied; | |
2849 | struct drm_property_enum *prop_enum; | |
2850 | struct drm_mode_property_enum __user *enum_ptr; | |
2851 | struct drm_property_blob *prop_blob; | |
81f6c7f8 | 2852 | uint32_t __user *blob_id_ptr; |
f453ba04 DA |
2853 | uint64_t __user *values_ptr; |
2854 | uint32_t __user *blob_length_ptr; | |
2855 | ||
fb3b06c8 DA |
2856 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2857 | return -EINVAL; | |
2858 | ||
84849903 | 2859 | drm_modeset_lock_all(dev); |
f453ba04 DA |
2860 | obj = drm_mode_object_find(dev, out_resp->prop_id, DRM_MODE_OBJECT_PROPERTY); |
2861 | if (!obj) { | |
2862 | ret = -EINVAL; | |
2863 | goto done; | |
2864 | } | |
2865 | property = obj_to_property(obj); | |
2866 | ||
49e27545 | 2867 | if (property->flags & (DRM_MODE_PROP_ENUM | DRM_MODE_PROP_BITMASK)) { |
f453ba04 DA |
2868 | list_for_each_entry(prop_enum, &property->enum_blob_list, head) |
2869 | enum_count++; | |
2870 | } else if (property->flags & DRM_MODE_PROP_BLOB) { | |
2871 | list_for_each_entry(prop_blob, &property->enum_blob_list, head) | |
2872 | blob_count++; | |
2873 | } | |
2874 | ||
2875 | value_count = property->num_values; | |
2876 | ||
2877 | strncpy(out_resp->name, property->name, DRM_PROP_NAME_LEN); | |
2878 | out_resp->name[DRM_PROP_NAME_LEN-1] = 0; | |
2879 | out_resp->flags = property->flags; | |
2880 | ||
2881 | if ((out_resp->count_values >= value_count) && value_count) { | |
81f6c7f8 | 2882 | values_ptr = (uint64_t __user *)(unsigned long)out_resp->values_ptr; |
f453ba04 DA |
2883 | for (i = 0; i < value_count; i++) { |
2884 | if (copy_to_user(values_ptr + i, &property->values[i], sizeof(uint64_t))) { | |
2885 | ret = -EFAULT; | |
2886 | goto done; | |
2887 | } | |
2888 | } | |
2889 | } | |
2890 | out_resp->count_values = value_count; | |
2891 | ||
49e27545 | 2892 | if (property->flags & (DRM_MODE_PROP_ENUM | DRM_MODE_PROP_BITMASK)) { |
f453ba04 DA |
2893 | if ((out_resp->count_enum_blobs >= enum_count) && enum_count) { |
2894 | copied = 0; | |
81f6c7f8 | 2895 | enum_ptr = (struct drm_mode_property_enum __user *)(unsigned long)out_resp->enum_blob_ptr; |
f453ba04 DA |
2896 | list_for_each_entry(prop_enum, &property->enum_blob_list, head) { |
2897 | ||
2898 | if (copy_to_user(&enum_ptr[copied].value, &prop_enum->value, sizeof(uint64_t))) { | |
2899 | ret = -EFAULT; | |
2900 | goto done; | |
2901 | } | |
2902 | ||
2903 | if (copy_to_user(&enum_ptr[copied].name, | |
2904 | &prop_enum->name, DRM_PROP_NAME_LEN)) { | |
2905 | ret = -EFAULT; | |
2906 | goto done; | |
2907 | } | |
2908 | copied++; | |
2909 | } | |
2910 | } | |
2911 | out_resp->count_enum_blobs = enum_count; | |
2912 | } | |
2913 | ||
2914 | if (property->flags & DRM_MODE_PROP_BLOB) { | |
2915 | if ((out_resp->count_enum_blobs >= blob_count) && blob_count) { | |
2916 | copied = 0; | |
81f6c7f8 VS |
2917 | blob_id_ptr = (uint32_t __user *)(unsigned long)out_resp->enum_blob_ptr; |
2918 | blob_length_ptr = (uint32_t __user *)(unsigned long)out_resp->values_ptr; | |
f453ba04 DA |
2919 | |
2920 | list_for_each_entry(prop_blob, &property->enum_blob_list, head) { | |
2921 | if (put_user(prop_blob->base.id, blob_id_ptr + copied)) { | |
2922 | ret = -EFAULT; | |
2923 | goto done; | |
2924 | } | |
2925 | ||
2926 | if (put_user(prop_blob->length, blob_length_ptr + copied)) { | |
2927 | ret = -EFAULT; | |
2928 | goto done; | |
2929 | } | |
2930 | ||
2931 | copied++; | |
2932 | } | |
2933 | } | |
2934 | out_resp->count_enum_blobs = blob_count; | |
2935 | } | |
2936 | done: | |
84849903 | 2937 | drm_modeset_unlock_all(dev); |
f453ba04 DA |
2938 | return ret; |
2939 | } | |
2940 | ||
2941 | static struct drm_property_blob *drm_property_create_blob(struct drm_device *dev, int length, | |
2942 | void *data) | |
2943 | { | |
2944 | struct drm_property_blob *blob; | |
6bfc56aa | 2945 | int ret; |
f453ba04 DA |
2946 | |
2947 | if (!length || !data) | |
2948 | return NULL; | |
2949 | ||
2950 | blob = kzalloc(sizeof(struct drm_property_blob)+length, GFP_KERNEL); | |
2951 | if (!blob) | |
2952 | return NULL; | |
2953 | ||
6bfc56aa VS |
2954 | ret = drm_mode_object_get(dev, &blob->base, DRM_MODE_OBJECT_BLOB); |
2955 | if (ret) { | |
2956 | kfree(blob); | |
2957 | return NULL; | |
2958 | } | |
2959 | ||
f453ba04 DA |
2960 | blob->length = length; |
2961 | ||
2962 | memcpy(blob->data, data, length); | |
2963 | ||
f453ba04 DA |
2964 | list_add_tail(&blob->head, &dev->mode_config.property_blob_list); |
2965 | return blob; | |
2966 | } | |
2967 | ||
2968 | static void drm_property_destroy_blob(struct drm_device *dev, | |
2969 | struct drm_property_blob *blob) | |
2970 | { | |
2971 | drm_mode_object_put(dev, &blob->base); | |
2972 | list_del(&blob->head); | |
2973 | kfree(blob); | |
2974 | } | |
2975 | ||
2976 | int drm_mode_getblob_ioctl(struct drm_device *dev, | |
2977 | void *data, struct drm_file *file_priv) | |
2978 | { | |
2979 | struct drm_mode_object *obj; | |
2980 | struct drm_mode_get_blob *out_resp = data; | |
2981 | struct drm_property_blob *blob; | |
2982 | int ret = 0; | |
81f6c7f8 | 2983 | void __user *blob_ptr; |
f453ba04 | 2984 | |
fb3b06c8 DA |
2985 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2986 | return -EINVAL; | |
2987 | ||
84849903 | 2988 | drm_modeset_lock_all(dev); |
f453ba04 DA |
2989 | obj = drm_mode_object_find(dev, out_resp->blob_id, DRM_MODE_OBJECT_BLOB); |
2990 | if (!obj) { | |
2991 | ret = -EINVAL; | |
2992 | goto done; | |
2993 | } | |
2994 | blob = obj_to_blob(obj); | |
2995 | ||
2996 | if (out_resp->length == blob->length) { | |
81f6c7f8 | 2997 | blob_ptr = (void __user *)(unsigned long)out_resp->data; |
f453ba04 DA |
2998 | if (copy_to_user(blob_ptr, blob->data, blob->length)){ |
2999 | ret = -EFAULT; | |
3000 | goto done; | |
3001 | } | |
3002 | } | |
3003 | out_resp->length = blob->length; | |
3004 | ||
3005 | done: | |
84849903 | 3006 | drm_modeset_unlock_all(dev); |
f453ba04 DA |
3007 | return ret; |
3008 | } | |
3009 | ||
3010 | int drm_mode_connector_update_edid_property(struct drm_connector *connector, | |
3011 | struct edid *edid) | |
3012 | { | |
3013 | struct drm_device *dev = connector->dev; | |
4a1b0714 | 3014 | int ret, size; |
f453ba04 DA |
3015 | |
3016 | if (connector->edid_blob_ptr) | |
3017 | drm_property_destroy_blob(dev, connector->edid_blob_ptr); | |
3018 | ||
3019 | /* Delete edid, when there is none. */ | |
3020 | if (!edid) { | |
3021 | connector->edid_blob_ptr = NULL; | |
58495563 | 3022 | ret = drm_object_property_set_value(&connector->base, dev->mode_config.edid_property, 0); |
f453ba04 DA |
3023 | return ret; |
3024 | } | |
3025 | ||
7466f4cc AJ |
3026 | size = EDID_LENGTH * (1 + edid->extensions); |
3027 | connector->edid_blob_ptr = drm_property_create_blob(connector->dev, | |
3028 | size, edid); | |
e655d122 SK |
3029 | if (!connector->edid_blob_ptr) |
3030 | return -EINVAL; | |
f453ba04 | 3031 | |
58495563 | 3032 | ret = drm_object_property_set_value(&connector->base, |
f453ba04 DA |
3033 | dev->mode_config.edid_property, |
3034 | connector->edid_blob_ptr->base.id); | |
3035 | ||
3036 | return ret; | |
3037 | } | |
3038 | EXPORT_SYMBOL(drm_mode_connector_update_edid_property); | |
3039 | ||
26a34815 | 3040 | static bool drm_property_change_is_valid(struct drm_property *property, |
592c20ee | 3041 | uint64_t value) |
26a34815 PZ |
3042 | { |
3043 | if (property->flags & DRM_MODE_PROP_IMMUTABLE) | |
3044 | return false; | |
3045 | if (property->flags & DRM_MODE_PROP_RANGE) { | |
3046 | if (value < property->values[0] || value > property->values[1]) | |
3047 | return false; | |
3048 | return true; | |
49e27545 RC |
3049 | } else if (property->flags & DRM_MODE_PROP_BITMASK) { |
3050 | int i; | |
592c20ee | 3051 | uint64_t valid_mask = 0; |
49e27545 RC |
3052 | for (i = 0; i < property->num_values; i++) |
3053 | valid_mask |= (1ULL << property->values[i]); | |
3054 | return !(value & ~valid_mask); | |
c4a56750 VS |
3055 | } else if (property->flags & DRM_MODE_PROP_BLOB) { |
3056 | /* Only the driver knows */ | |
3057 | return true; | |
26a34815 PZ |
3058 | } else { |
3059 | int i; | |
3060 | for (i = 0; i < property->num_values; i++) | |
3061 | if (property->values[i] == value) | |
3062 | return true; | |
3063 | return false; | |
3064 | } | |
3065 | } | |
3066 | ||
f453ba04 DA |
3067 | int drm_mode_connector_property_set_ioctl(struct drm_device *dev, |
3068 | void *data, struct drm_file *file_priv) | |
3069 | { | |
0057d8dd PZ |
3070 | struct drm_mode_connector_set_property *conn_set_prop = data; |
3071 | struct drm_mode_obj_set_property obj_set_prop = { | |
3072 | .value = conn_set_prop->value, | |
3073 | .prop_id = conn_set_prop->prop_id, | |
3074 | .obj_id = conn_set_prop->connector_id, | |
3075 | .obj_type = DRM_MODE_OBJECT_CONNECTOR | |
3076 | }; | |
fb3b06c8 | 3077 | |
0057d8dd PZ |
3078 | /* It does all the locking and checking we need */ |
3079 | return drm_mode_obj_set_property_ioctl(dev, &obj_set_prop, file_priv); | |
f453ba04 DA |
3080 | } |
3081 | ||
c543188a PZ |
3082 | static int drm_mode_connector_set_obj_prop(struct drm_mode_object *obj, |
3083 | struct drm_property *property, | |
3084 | uint64_t value) | |
3085 | { | |
3086 | int ret = -EINVAL; | |
3087 | struct drm_connector *connector = obj_to_connector(obj); | |
3088 | ||
3089 | /* Do DPMS ourselves */ | |
3090 | if (property == connector->dev->mode_config.dpms_property) { | |
3091 | if (connector->funcs->dpms) | |
3092 | (*connector->funcs->dpms)(connector, (int)value); | |
3093 | ret = 0; | |
3094 | } else if (connector->funcs->set_property) | |
3095 | ret = connector->funcs->set_property(connector, property, value); | |
3096 | ||
3097 | /* store the property value if successful */ | |
3098 | if (!ret) | |
58495563 | 3099 | drm_object_property_set_value(&connector->base, property, value); |
c543188a PZ |
3100 | return ret; |
3101 | } | |
3102 | ||
bffd9de0 PZ |
3103 | static int drm_mode_crtc_set_obj_prop(struct drm_mode_object *obj, |
3104 | struct drm_property *property, | |
3105 | uint64_t value) | |
3106 | { | |
3107 | int ret = -EINVAL; | |
3108 | struct drm_crtc *crtc = obj_to_crtc(obj); | |
3109 | ||
3110 | if (crtc->funcs->set_property) | |
3111 | ret = crtc->funcs->set_property(crtc, property, value); | |
3112 | if (!ret) | |
3113 | drm_object_property_set_value(obj, property, value); | |
3114 | ||
3115 | return ret; | |
3116 | } | |
3117 | ||
4d93914a RC |
3118 | static int drm_mode_plane_set_obj_prop(struct drm_mode_object *obj, |
3119 | struct drm_property *property, | |
3120 | uint64_t value) | |
3121 | { | |
3122 | int ret = -EINVAL; | |
3123 | struct drm_plane *plane = obj_to_plane(obj); | |
3124 | ||
3125 | if (plane->funcs->set_property) | |
3126 | ret = plane->funcs->set_property(plane, property, value); | |
3127 | if (!ret) | |
3128 | drm_object_property_set_value(obj, property, value); | |
3129 | ||
3130 | return ret; | |
3131 | } | |
3132 | ||
c543188a PZ |
3133 | int drm_mode_obj_get_properties_ioctl(struct drm_device *dev, void *data, |
3134 | struct drm_file *file_priv) | |
3135 | { | |
3136 | struct drm_mode_obj_get_properties *arg = data; | |
3137 | struct drm_mode_object *obj; | |
3138 | int ret = 0; | |
3139 | int i; | |
3140 | int copied = 0; | |
3141 | int props_count = 0; | |
3142 | uint32_t __user *props_ptr; | |
3143 | uint64_t __user *prop_values_ptr; | |
3144 | ||
3145 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) | |
3146 | return -EINVAL; | |
3147 | ||
84849903 | 3148 | drm_modeset_lock_all(dev); |
c543188a PZ |
3149 | |
3150 | obj = drm_mode_object_find(dev, arg->obj_id, arg->obj_type); | |
3151 | if (!obj) { | |
3152 | ret = -EINVAL; | |
3153 | goto out; | |
3154 | } | |
3155 | if (!obj->properties) { | |
3156 | ret = -EINVAL; | |
3157 | goto out; | |
3158 | } | |
3159 | ||
7f88a9be | 3160 | props_count = obj->properties->count; |
c543188a PZ |
3161 | |
3162 | /* This ioctl is called twice, once to determine how much space is | |
3163 | * needed, and the 2nd time to fill it. */ | |
3164 | if ((arg->count_props >= props_count) && props_count) { | |
3165 | copied = 0; | |
3166 | props_ptr = (uint32_t __user *)(unsigned long)(arg->props_ptr); | |
3167 | prop_values_ptr = (uint64_t __user *)(unsigned long) | |
3168 | (arg->prop_values_ptr); | |
3169 | for (i = 0; i < props_count; i++) { | |
3170 | if (put_user(obj->properties->ids[i], | |
3171 | props_ptr + copied)) { | |
3172 | ret = -EFAULT; | |
3173 | goto out; | |
3174 | } | |
3175 | if (put_user(obj->properties->values[i], | |
3176 | prop_values_ptr + copied)) { | |
3177 | ret = -EFAULT; | |
3178 | goto out; | |
3179 | } | |
3180 | copied++; | |
3181 | } | |
3182 | } | |
3183 | arg->count_props = props_count; | |
3184 | out: | |
84849903 | 3185 | drm_modeset_unlock_all(dev); |
c543188a PZ |
3186 | return ret; |
3187 | } | |
3188 | ||
3189 | int drm_mode_obj_set_property_ioctl(struct drm_device *dev, void *data, | |
3190 | struct drm_file *file_priv) | |
3191 | { | |
3192 | struct drm_mode_obj_set_property *arg = data; | |
3193 | struct drm_mode_object *arg_obj; | |
3194 | struct drm_mode_object *prop_obj; | |
3195 | struct drm_property *property; | |
3196 | int ret = -EINVAL; | |
3197 | int i; | |
3198 | ||
3199 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) | |
3200 | return -EINVAL; | |
3201 | ||
84849903 | 3202 | drm_modeset_lock_all(dev); |
c543188a PZ |
3203 | |
3204 | arg_obj = drm_mode_object_find(dev, arg->obj_id, arg->obj_type); | |
3205 | if (!arg_obj) | |
3206 | goto out; | |
3207 | if (!arg_obj->properties) | |
3208 | goto out; | |
3209 | ||
7f88a9be | 3210 | for (i = 0; i < arg_obj->properties->count; i++) |
c543188a PZ |
3211 | if (arg_obj->properties->ids[i] == arg->prop_id) |
3212 | break; | |
3213 | ||
7f88a9be | 3214 | if (i == arg_obj->properties->count) |
c543188a PZ |
3215 | goto out; |
3216 | ||
3217 | prop_obj = drm_mode_object_find(dev, arg->prop_id, | |
3218 | DRM_MODE_OBJECT_PROPERTY); | |
3219 | if (!prop_obj) | |
3220 | goto out; | |
3221 | property = obj_to_property(prop_obj); | |
3222 | ||
3223 | if (!drm_property_change_is_valid(property, arg->value)) | |
3224 | goto out; | |
3225 | ||
3226 | switch (arg_obj->type) { | |
3227 | case DRM_MODE_OBJECT_CONNECTOR: | |
3228 | ret = drm_mode_connector_set_obj_prop(arg_obj, property, | |
3229 | arg->value); | |
3230 | break; | |
bffd9de0 PZ |
3231 | case DRM_MODE_OBJECT_CRTC: |
3232 | ret = drm_mode_crtc_set_obj_prop(arg_obj, property, arg->value); | |
3233 | break; | |
4d93914a RC |
3234 | case DRM_MODE_OBJECT_PLANE: |
3235 | ret = drm_mode_plane_set_obj_prop(arg_obj, property, arg->value); | |
3236 | break; | |
c543188a PZ |
3237 | } |
3238 | ||
3239 | out: | |
84849903 | 3240 | drm_modeset_unlock_all(dev); |
c543188a PZ |
3241 | return ret; |
3242 | } | |
3243 | ||
f453ba04 DA |
3244 | int drm_mode_connector_attach_encoder(struct drm_connector *connector, |
3245 | struct drm_encoder *encoder) | |
3246 | { | |
3247 | int i; | |
3248 | ||
3249 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { | |
3250 | if (connector->encoder_ids[i] == 0) { | |
3251 | connector->encoder_ids[i] = encoder->base.id; | |
3252 | return 0; | |
3253 | } | |
3254 | } | |
3255 | return -ENOMEM; | |
3256 | } | |
3257 | EXPORT_SYMBOL(drm_mode_connector_attach_encoder); | |
3258 | ||
3259 | void drm_mode_connector_detach_encoder(struct drm_connector *connector, | |
3260 | struct drm_encoder *encoder) | |
3261 | { | |
3262 | int i; | |
3263 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { | |
3264 | if (connector->encoder_ids[i] == encoder->base.id) { | |
3265 | connector->encoder_ids[i] = 0; | |
3266 | if (connector->encoder == encoder) | |
3267 | connector->encoder = NULL; | |
3268 | break; | |
3269 | } | |
3270 | } | |
3271 | } | |
3272 | EXPORT_SYMBOL(drm_mode_connector_detach_encoder); | |
3273 | ||
4cae5b84 | 3274 | int drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc, |
f453ba04 DA |
3275 | int gamma_size) |
3276 | { | |
3277 | crtc->gamma_size = gamma_size; | |
3278 | ||
3279 | crtc->gamma_store = kzalloc(gamma_size * sizeof(uint16_t) * 3, GFP_KERNEL); | |
3280 | if (!crtc->gamma_store) { | |
3281 | crtc->gamma_size = 0; | |
4cae5b84 | 3282 | return -ENOMEM; |
f453ba04 DA |
3283 | } |
3284 | ||
4cae5b84 | 3285 | return 0; |
f453ba04 DA |
3286 | } |
3287 | EXPORT_SYMBOL(drm_mode_crtc_set_gamma_size); | |
3288 | ||
3289 | int drm_mode_gamma_set_ioctl(struct drm_device *dev, | |
3290 | void *data, struct drm_file *file_priv) | |
3291 | { | |
3292 | struct drm_mode_crtc_lut *crtc_lut = data; | |
3293 | struct drm_mode_object *obj; | |
3294 | struct drm_crtc *crtc; | |
3295 | void *r_base, *g_base, *b_base; | |
3296 | int size; | |
3297 | int ret = 0; | |
3298 | ||
fb3b06c8 DA |
3299 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
3300 | return -EINVAL; | |
3301 | ||
84849903 | 3302 | drm_modeset_lock_all(dev); |
f453ba04 DA |
3303 | obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC); |
3304 | if (!obj) { | |
3305 | ret = -EINVAL; | |
3306 | goto out; | |
3307 | } | |
3308 | crtc = obj_to_crtc(obj); | |
3309 | ||
ebe0f244 LP |
3310 | if (crtc->funcs->gamma_set == NULL) { |
3311 | ret = -ENOSYS; | |
3312 | goto out; | |
3313 | } | |
3314 | ||
f453ba04 DA |
3315 | /* memcpy into gamma store */ |
3316 | if (crtc_lut->gamma_size != crtc->gamma_size) { | |
3317 | ret = -EINVAL; | |
3318 | goto out; | |
3319 | } | |
3320 | ||
3321 | size = crtc_lut->gamma_size * (sizeof(uint16_t)); | |
3322 | r_base = crtc->gamma_store; | |
3323 | if (copy_from_user(r_base, (void __user *)(unsigned long)crtc_lut->red, size)) { | |
3324 | ret = -EFAULT; | |
3325 | goto out; | |
3326 | } | |
3327 | ||
3328 | g_base = r_base + size; | |
3329 | if (copy_from_user(g_base, (void __user *)(unsigned long)crtc_lut->green, size)) { | |
3330 | ret = -EFAULT; | |
3331 | goto out; | |
3332 | } | |
3333 | ||
3334 | b_base = g_base + size; | |
3335 | if (copy_from_user(b_base, (void __user *)(unsigned long)crtc_lut->blue, size)) { | |
3336 | ret = -EFAULT; | |
3337 | goto out; | |
3338 | } | |
3339 | ||
7203425a | 3340 | crtc->funcs->gamma_set(crtc, r_base, g_base, b_base, 0, crtc->gamma_size); |
f453ba04 DA |
3341 | |
3342 | out: | |
84849903 | 3343 | drm_modeset_unlock_all(dev); |
f453ba04 DA |
3344 | return ret; |
3345 | ||
3346 | } | |
3347 | ||
3348 | int drm_mode_gamma_get_ioctl(struct drm_device *dev, | |
3349 | void *data, struct drm_file *file_priv) | |
3350 | { | |
3351 | struct drm_mode_crtc_lut *crtc_lut = data; | |
3352 | struct drm_mode_object *obj; | |
3353 | struct drm_crtc *crtc; | |
3354 | void *r_base, *g_base, *b_base; | |
3355 | int size; | |
3356 | int ret = 0; | |
3357 | ||
fb3b06c8 DA |
3358 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
3359 | return -EINVAL; | |
3360 | ||
84849903 | 3361 | drm_modeset_lock_all(dev); |
f453ba04 DA |
3362 | obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC); |
3363 | if (!obj) { | |
3364 | ret = -EINVAL; | |
3365 | goto out; | |
3366 | } | |
3367 | crtc = obj_to_crtc(obj); | |
3368 | ||
3369 | /* memcpy into gamma store */ | |
3370 | if (crtc_lut->gamma_size != crtc->gamma_size) { | |
3371 | ret = -EINVAL; | |
3372 | goto out; | |
3373 | } | |
3374 | ||
3375 | size = crtc_lut->gamma_size * (sizeof(uint16_t)); | |
3376 | r_base = crtc->gamma_store; | |
3377 | if (copy_to_user((void __user *)(unsigned long)crtc_lut->red, r_base, size)) { | |
3378 | ret = -EFAULT; | |
3379 | goto out; | |
3380 | } | |
3381 | ||
3382 | g_base = r_base + size; | |
3383 | if (copy_to_user((void __user *)(unsigned long)crtc_lut->green, g_base, size)) { | |
3384 | ret = -EFAULT; | |
3385 | goto out; | |
3386 | } | |
3387 | ||
3388 | b_base = g_base + size; | |
3389 | if (copy_to_user((void __user *)(unsigned long)crtc_lut->blue, b_base, size)) { | |
3390 | ret = -EFAULT; | |
3391 | goto out; | |
3392 | } | |
3393 | out: | |
84849903 | 3394 | drm_modeset_unlock_all(dev); |
f453ba04 DA |
3395 | return ret; |
3396 | } | |
d91d8a3f KH |
3397 | |
3398 | int drm_mode_page_flip_ioctl(struct drm_device *dev, | |
3399 | void *data, struct drm_file *file_priv) | |
3400 | { | |
3401 | struct drm_mode_crtc_page_flip *page_flip = data; | |
3402 | struct drm_mode_object *obj; | |
3403 | struct drm_crtc *crtc; | |
b0d12325 | 3404 | struct drm_framebuffer *fb = NULL, *old_fb = NULL; |
d91d8a3f KH |
3405 | struct drm_pending_vblank_event *e = NULL; |
3406 | unsigned long flags; | |
7c80e128 | 3407 | int hdisplay, vdisplay; |
d91d8a3f KH |
3408 | int ret = -EINVAL; |
3409 | ||
3410 | if (page_flip->flags & ~DRM_MODE_PAGE_FLIP_FLAGS || | |
3411 | page_flip->reserved != 0) | |
3412 | return -EINVAL; | |
3413 | ||
d91d8a3f KH |
3414 | obj = drm_mode_object_find(dev, page_flip->crtc_id, DRM_MODE_OBJECT_CRTC); |
3415 | if (!obj) | |
b4d5e7d1 | 3416 | return -EINVAL; |
d91d8a3f KH |
3417 | crtc = obj_to_crtc(obj); |
3418 | ||
b4d5e7d1 | 3419 | mutex_lock(&crtc->mutex); |
90c1efdd CW |
3420 | if (crtc->fb == NULL) { |
3421 | /* The framebuffer is currently unbound, presumably | |
3422 | * due to a hotplug event, that userspace has not | |
3423 | * yet discovered. | |
3424 | */ | |
3425 | ret = -EBUSY; | |
3426 | goto out; | |
3427 | } | |
3428 | ||
d91d8a3f KH |
3429 | if (crtc->funcs->page_flip == NULL) |
3430 | goto out; | |
3431 | ||
786b99ed DV |
3432 | fb = drm_framebuffer_lookup(dev, page_flip->fb_id); |
3433 | if (!fb) | |
d91d8a3f | 3434 | goto out; |
d91d8a3f | 3435 | |
7c80e128 RC |
3436 | hdisplay = crtc->mode.hdisplay; |
3437 | vdisplay = crtc->mode.vdisplay; | |
3438 | ||
3439 | if (crtc->invert_dimensions) | |
3440 | swap(hdisplay, vdisplay); | |
3441 | ||
3442 | if (hdisplay > fb->width || | |
3443 | vdisplay > fb->height || | |
3444 | crtc->x > fb->width - hdisplay || | |
3445 | crtc->y > fb->height - vdisplay) { | |
3446 | DRM_DEBUG_KMS("Invalid fb size %ux%u for CRTC viewport %ux%u+%d+%d%s.\n", | |
3447 | fb->width, fb->height, hdisplay, vdisplay, crtc->x, crtc->y, | |
3448 | crtc->invert_dimensions ? " (inverted)" : ""); | |
5f61bb42 VS |
3449 | ret = -ENOSPC; |
3450 | goto out; | |
3451 | } | |
3452 | ||
909d9cda LP |
3453 | if (crtc->fb->pixel_format != fb->pixel_format) { |
3454 | DRM_DEBUG_KMS("Page flip is not allowed to change frame buffer format.\n"); | |
3455 | ret = -EINVAL; | |
3456 | goto out; | |
3457 | } | |
3458 | ||
d91d8a3f KH |
3459 | if (page_flip->flags & DRM_MODE_PAGE_FLIP_EVENT) { |
3460 | ret = -ENOMEM; | |
3461 | spin_lock_irqsave(&dev->event_lock, flags); | |
3462 | if (file_priv->event_space < sizeof e->event) { | |
3463 | spin_unlock_irqrestore(&dev->event_lock, flags); | |
3464 | goto out; | |
3465 | } | |
3466 | file_priv->event_space -= sizeof e->event; | |
3467 | spin_unlock_irqrestore(&dev->event_lock, flags); | |
3468 | ||
3469 | e = kzalloc(sizeof *e, GFP_KERNEL); | |
3470 | if (e == NULL) { | |
3471 | spin_lock_irqsave(&dev->event_lock, flags); | |
3472 | file_priv->event_space += sizeof e->event; | |
3473 | spin_unlock_irqrestore(&dev->event_lock, flags); | |
3474 | goto out; | |
3475 | } | |
3476 | ||
7bd4d7be | 3477 | e->event.base.type = DRM_EVENT_FLIP_COMPLETE; |
d91d8a3f KH |
3478 | e->event.base.length = sizeof e->event; |
3479 | e->event.user_data = page_flip->user_data; | |
3480 | e->base.event = &e->event.base; | |
3481 | e->base.file_priv = file_priv; | |
3482 | e->base.destroy = | |
3483 | (void (*) (struct drm_pending_event *)) kfree; | |
3484 | } | |
3485 | ||
b0d12325 | 3486 | old_fb = crtc->fb; |
d91d8a3f KH |
3487 | ret = crtc->funcs->page_flip(crtc, fb, e); |
3488 | if (ret) { | |
aef6a7ee JS |
3489 | if (page_flip->flags & DRM_MODE_PAGE_FLIP_EVENT) { |
3490 | spin_lock_irqsave(&dev->event_lock, flags); | |
3491 | file_priv->event_space += sizeof e->event; | |
3492 | spin_unlock_irqrestore(&dev->event_lock, flags); | |
3493 | kfree(e); | |
3494 | } | |
b0d12325 DV |
3495 | /* Keep the old fb, don't unref it. */ |
3496 | old_fb = NULL; | |
3497 | } else { | |
8cf1e981 TR |
3498 | /* |
3499 | * Warn if the driver hasn't properly updated the crtc->fb | |
3500 | * field to reflect that the new framebuffer is now used. | |
3501 | * Failing to do so will screw with the reference counting | |
3502 | * on framebuffers. | |
3503 | */ | |
3504 | WARN_ON(crtc->fb != fb); | |
b0d12325 DV |
3505 | /* Unref only the old framebuffer. */ |
3506 | fb = NULL; | |
d91d8a3f KH |
3507 | } |
3508 | ||
3509 | out: | |
b0d12325 DV |
3510 | if (fb) |
3511 | drm_framebuffer_unreference(fb); | |
3512 | if (old_fb) | |
3513 | drm_framebuffer_unreference(old_fb); | |
b4d5e7d1 DV |
3514 | mutex_unlock(&crtc->mutex); |
3515 | ||
d91d8a3f KH |
3516 | return ret; |
3517 | } | |
eb033556 CW |
3518 | |
3519 | void drm_mode_config_reset(struct drm_device *dev) | |
3520 | { | |
3521 | struct drm_crtc *crtc; | |
3522 | struct drm_encoder *encoder; | |
3523 | struct drm_connector *connector; | |
3524 | ||
3525 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) | |
3526 | if (crtc->funcs->reset) | |
3527 | crtc->funcs->reset(crtc); | |
3528 | ||
3529 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) | |
3530 | if (encoder->funcs->reset) | |
3531 | encoder->funcs->reset(encoder); | |
3532 | ||
5e2cb2f6 DV |
3533 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { |
3534 | connector->status = connector_status_unknown; | |
3535 | ||
eb033556 CW |
3536 | if (connector->funcs->reset) |
3537 | connector->funcs->reset(connector); | |
5e2cb2f6 | 3538 | } |
eb033556 CW |
3539 | } |
3540 | EXPORT_SYMBOL(drm_mode_config_reset); | |
ff72145b DA |
3541 | |
3542 | int drm_mode_create_dumb_ioctl(struct drm_device *dev, | |
3543 | void *data, struct drm_file *file_priv) | |
3544 | { | |
3545 | struct drm_mode_create_dumb *args = data; | |
3546 | ||
3547 | if (!dev->driver->dumb_create) | |
3548 | return -ENOSYS; | |
3549 | return dev->driver->dumb_create(file_priv, dev, args); | |
3550 | } | |
3551 | ||
3552 | int drm_mode_mmap_dumb_ioctl(struct drm_device *dev, | |
3553 | void *data, struct drm_file *file_priv) | |
3554 | { | |
3555 | struct drm_mode_map_dumb *args = data; | |
3556 | ||
3557 | /* call driver ioctl to get mmap offset */ | |
3558 | if (!dev->driver->dumb_map_offset) | |
3559 | return -ENOSYS; | |
3560 | ||
3561 | return dev->driver->dumb_map_offset(file_priv, dev, args->handle, &args->offset); | |
3562 | } | |
3563 | ||
3564 | int drm_mode_destroy_dumb_ioctl(struct drm_device *dev, | |
3565 | void *data, struct drm_file *file_priv) | |
3566 | { | |
3567 | struct drm_mode_destroy_dumb *args = data; | |
3568 | ||
3569 | if (!dev->driver->dumb_destroy) | |
3570 | return -ENOSYS; | |
3571 | ||
3572 | return dev->driver->dumb_destroy(file_priv, dev, args->handle); | |
3573 | } | |
248dbc23 DA |
3574 | |
3575 | /* | |
3576 | * Just need to support RGB formats here for compat with code that doesn't | |
3577 | * use pixel formats directly yet. | |
3578 | */ | |
3579 | void drm_fb_get_bpp_depth(uint32_t format, unsigned int *depth, | |
3580 | int *bpp) | |
3581 | { | |
3582 | switch (format) { | |
c51a6bc5 | 3583 | case DRM_FORMAT_C8: |
04b3924d VS |
3584 | case DRM_FORMAT_RGB332: |
3585 | case DRM_FORMAT_BGR233: | |
248dbc23 DA |
3586 | *depth = 8; |
3587 | *bpp = 8; | |
3588 | break; | |
04b3924d VS |
3589 | case DRM_FORMAT_XRGB1555: |
3590 | case DRM_FORMAT_XBGR1555: | |
3591 | case DRM_FORMAT_RGBX5551: | |
3592 | case DRM_FORMAT_BGRX5551: | |
3593 | case DRM_FORMAT_ARGB1555: | |
3594 | case DRM_FORMAT_ABGR1555: | |
3595 | case DRM_FORMAT_RGBA5551: | |
3596 | case DRM_FORMAT_BGRA5551: | |
248dbc23 DA |
3597 | *depth = 15; |
3598 | *bpp = 16; | |
3599 | break; | |
04b3924d VS |
3600 | case DRM_FORMAT_RGB565: |
3601 | case DRM_FORMAT_BGR565: | |
248dbc23 DA |
3602 | *depth = 16; |
3603 | *bpp = 16; | |
3604 | break; | |
04b3924d VS |
3605 | case DRM_FORMAT_RGB888: |
3606 | case DRM_FORMAT_BGR888: | |
3607 | *depth = 24; | |
3608 | *bpp = 24; | |
3609 | break; | |
3610 | case DRM_FORMAT_XRGB8888: | |
3611 | case DRM_FORMAT_XBGR8888: | |
3612 | case DRM_FORMAT_RGBX8888: | |
3613 | case DRM_FORMAT_BGRX8888: | |
248dbc23 DA |
3614 | *depth = 24; |
3615 | *bpp = 32; | |
3616 | break; | |
04b3924d VS |
3617 | case DRM_FORMAT_XRGB2101010: |
3618 | case DRM_FORMAT_XBGR2101010: | |
3619 | case DRM_FORMAT_RGBX1010102: | |
3620 | case DRM_FORMAT_BGRX1010102: | |
3621 | case DRM_FORMAT_ARGB2101010: | |
3622 | case DRM_FORMAT_ABGR2101010: | |
3623 | case DRM_FORMAT_RGBA1010102: | |
3624 | case DRM_FORMAT_BGRA1010102: | |
248dbc23 DA |
3625 | *depth = 30; |
3626 | *bpp = 32; | |
3627 | break; | |
04b3924d VS |
3628 | case DRM_FORMAT_ARGB8888: |
3629 | case DRM_FORMAT_ABGR8888: | |
3630 | case DRM_FORMAT_RGBA8888: | |
3631 | case DRM_FORMAT_BGRA8888: | |
248dbc23 DA |
3632 | *depth = 32; |
3633 | *bpp = 32; | |
3634 | break; | |
3635 | default: | |
3636 | DRM_DEBUG_KMS("unsupported pixel format\n"); | |
3637 | *depth = 0; | |
3638 | *bpp = 0; | |
3639 | break; | |
3640 | } | |
3641 | } | |
3642 | EXPORT_SYMBOL(drm_fb_get_bpp_depth); | |
141670e9 VS |
3643 | |
3644 | /** | |
3645 | * drm_format_num_planes - get the number of planes for format | |
3646 | * @format: pixel format (DRM_FORMAT_*) | |
3647 | * | |
3648 | * RETURNS: | |
3649 | * The number of planes used by the specified pixel format. | |
3650 | */ | |
3651 | int drm_format_num_planes(uint32_t format) | |
3652 | { | |
3653 | switch (format) { | |
3654 | case DRM_FORMAT_YUV410: | |
3655 | case DRM_FORMAT_YVU410: | |
3656 | case DRM_FORMAT_YUV411: | |
3657 | case DRM_FORMAT_YVU411: | |
3658 | case DRM_FORMAT_YUV420: | |
3659 | case DRM_FORMAT_YVU420: | |
3660 | case DRM_FORMAT_YUV422: | |
3661 | case DRM_FORMAT_YVU422: | |
3662 | case DRM_FORMAT_YUV444: | |
3663 | case DRM_FORMAT_YVU444: | |
3664 | return 3; | |
3665 | case DRM_FORMAT_NV12: | |
3666 | case DRM_FORMAT_NV21: | |
3667 | case DRM_FORMAT_NV16: | |
3668 | case DRM_FORMAT_NV61: | |
ba623f6a LP |
3669 | case DRM_FORMAT_NV24: |
3670 | case DRM_FORMAT_NV42: | |
141670e9 VS |
3671 | return 2; |
3672 | default: | |
3673 | return 1; | |
3674 | } | |
3675 | } | |
3676 | EXPORT_SYMBOL(drm_format_num_planes); | |
5a86bd55 VS |
3677 | |
3678 | /** | |
3679 | * drm_format_plane_cpp - determine the bytes per pixel value | |
3680 | * @format: pixel format (DRM_FORMAT_*) | |
3681 | * @plane: plane index | |
3682 | * | |
3683 | * RETURNS: | |
3684 | * The bytes per pixel value for the specified plane. | |
3685 | */ | |
3686 | int drm_format_plane_cpp(uint32_t format, int plane) | |
3687 | { | |
3688 | unsigned int depth; | |
3689 | int bpp; | |
3690 | ||
3691 | if (plane >= drm_format_num_planes(format)) | |
3692 | return 0; | |
3693 | ||
3694 | switch (format) { | |
3695 | case DRM_FORMAT_YUYV: | |
3696 | case DRM_FORMAT_YVYU: | |
3697 | case DRM_FORMAT_UYVY: | |
3698 | case DRM_FORMAT_VYUY: | |
3699 | return 2; | |
3700 | case DRM_FORMAT_NV12: | |
3701 | case DRM_FORMAT_NV21: | |
3702 | case DRM_FORMAT_NV16: | |
3703 | case DRM_FORMAT_NV61: | |
ba623f6a LP |
3704 | case DRM_FORMAT_NV24: |
3705 | case DRM_FORMAT_NV42: | |
5a86bd55 VS |
3706 | return plane ? 2 : 1; |
3707 | case DRM_FORMAT_YUV410: | |
3708 | case DRM_FORMAT_YVU410: | |
3709 | case DRM_FORMAT_YUV411: | |
3710 | case DRM_FORMAT_YVU411: | |
3711 | case DRM_FORMAT_YUV420: | |
3712 | case DRM_FORMAT_YVU420: | |
3713 | case DRM_FORMAT_YUV422: | |
3714 | case DRM_FORMAT_YVU422: | |
3715 | case DRM_FORMAT_YUV444: | |
3716 | case DRM_FORMAT_YVU444: | |
3717 | return 1; | |
3718 | default: | |
3719 | drm_fb_get_bpp_depth(format, &depth, &bpp); | |
3720 | return bpp >> 3; | |
3721 | } | |
3722 | } | |
3723 | EXPORT_SYMBOL(drm_format_plane_cpp); | |
01b68b04 VS |
3724 | |
3725 | /** | |
3726 | * drm_format_horz_chroma_subsampling - get the horizontal chroma subsampling factor | |
3727 | * @format: pixel format (DRM_FORMAT_*) | |
3728 | * | |
3729 | * RETURNS: | |
3730 | * The horizontal chroma subsampling factor for the | |
3731 | * specified pixel format. | |
3732 | */ | |
3733 | int drm_format_horz_chroma_subsampling(uint32_t format) | |
3734 | { | |
3735 | switch (format) { | |
3736 | case DRM_FORMAT_YUV411: | |
3737 | case DRM_FORMAT_YVU411: | |
3738 | case DRM_FORMAT_YUV410: | |
3739 | case DRM_FORMAT_YVU410: | |
3740 | return 4; | |
3741 | case DRM_FORMAT_YUYV: | |
3742 | case DRM_FORMAT_YVYU: | |
3743 | case DRM_FORMAT_UYVY: | |
3744 | case DRM_FORMAT_VYUY: | |
3745 | case DRM_FORMAT_NV12: | |
3746 | case DRM_FORMAT_NV21: | |
3747 | case DRM_FORMAT_NV16: | |
3748 | case DRM_FORMAT_NV61: | |
3749 | case DRM_FORMAT_YUV422: | |
3750 | case DRM_FORMAT_YVU422: | |
3751 | case DRM_FORMAT_YUV420: | |
3752 | case DRM_FORMAT_YVU420: | |
3753 | return 2; | |
3754 | default: | |
3755 | return 1; | |
3756 | } | |
3757 | } | |
3758 | EXPORT_SYMBOL(drm_format_horz_chroma_subsampling); | |
3759 | ||
3760 | /** | |
3761 | * drm_format_vert_chroma_subsampling - get the vertical chroma subsampling factor | |
3762 | * @format: pixel format (DRM_FORMAT_*) | |
3763 | * | |
3764 | * RETURNS: | |
3765 | * The vertical chroma subsampling factor for the | |
3766 | * specified pixel format. | |
3767 | */ | |
3768 | int drm_format_vert_chroma_subsampling(uint32_t format) | |
3769 | { | |
3770 | switch (format) { | |
3771 | case DRM_FORMAT_YUV410: | |
3772 | case DRM_FORMAT_YVU410: | |
3773 | return 4; | |
3774 | case DRM_FORMAT_YUV420: | |
3775 | case DRM_FORMAT_YVU420: | |
3776 | case DRM_FORMAT_NV12: | |
3777 | case DRM_FORMAT_NV21: | |
3778 | return 2; | |
3779 | default: | |
3780 | return 1; | |
3781 | } | |
3782 | } | |
3783 | EXPORT_SYMBOL(drm_format_vert_chroma_subsampling); | |
87d24fc3 LP |
3784 | |
3785 | /** | |
3786 | * drm_mode_config_init - initialize DRM mode_configuration structure | |
3787 | * @dev: DRM device | |
3788 | * | |
3789 | * Initialize @dev's mode_config structure, used for tracking the graphics | |
3790 | * configuration of @dev. | |
3791 | * | |
3792 | * Since this initializes the modeset locks, no locking is possible. Which is no | |
3793 | * problem, since this should happen single threaded at init time. It is the | |
3794 | * driver's problem to ensure this guarantee. | |
3795 | * | |
3796 | */ | |
3797 | void drm_mode_config_init(struct drm_device *dev) | |
3798 | { | |
3799 | mutex_init(&dev->mode_config.mutex); | |
3800 | mutex_init(&dev->mode_config.idr_mutex); | |
3801 | mutex_init(&dev->mode_config.fb_lock); | |
3802 | INIT_LIST_HEAD(&dev->mode_config.fb_list); | |
3803 | INIT_LIST_HEAD(&dev->mode_config.crtc_list); | |
3804 | INIT_LIST_HEAD(&dev->mode_config.connector_list); | |
3805 | INIT_LIST_HEAD(&dev->mode_config.encoder_list); | |
3806 | INIT_LIST_HEAD(&dev->mode_config.property_list); | |
3807 | INIT_LIST_HEAD(&dev->mode_config.property_blob_list); | |
3808 | INIT_LIST_HEAD(&dev->mode_config.plane_list); | |
3809 | idr_init(&dev->mode_config.crtc_idr); | |
3810 | ||
3811 | drm_modeset_lock_all(dev); | |
3812 | drm_mode_create_standard_connector_properties(dev); | |
3813 | drm_modeset_unlock_all(dev); | |
3814 | ||
3815 | /* Just to be sure */ | |
3816 | dev->mode_config.num_fb = 0; | |
3817 | dev->mode_config.num_connector = 0; | |
3818 | dev->mode_config.num_crtc = 0; | |
3819 | dev->mode_config.num_encoder = 0; | |
3820 | } | |
3821 | EXPORT_SYMBOL(drm_mode_config_init); | |
3822 | ||
3823 | /** | |
3824 | * drm_mode_config_cleanup - free up DRM mode_config info | |
3825 | * @dev: DRM device | |
3826 | * | |
3827 | * Free up all the connectors and CRTCs associated with this DRM device, then | |
3828 | * free up the framebuffers and associated buffer objects. | |
3829 | * | |
3830 | * Note that since this /should/ happen single-threaded at driver/device | |
3831 | * teardown time, no locking is required. It's the driver's job to ensure that | |
3832 | * this guarantee actually holds true. | |
3833 | * | |
3834 | * FIXME: cleanup any dangling user buffer objects too | |
3835 | */ | |
3836 | void drm_mode_config_cleanup(struct drm_device *dev) | |
3837 | { | |
3838 | struct drm_connector *connector, *ot; | |
3839 | struct drm_crtc *crtc, *ct; | |
3840 | struct drm_encoder *encoder, *enct; | |
3841 | struct drm_framebuffer *fb, *fbt; | |
3842 | struct drm_property *property, *pt; | |
3843 | struct drm_property_blob *blob, *bt; | |
3844 | struct drm_plane *plane, *plt; | |
3845 | ||
3846 | list_for_each_entry_safe(encoder, enct, &dev->mode_config.encoder_list, | |
3847 | head) { | |
3848 | encoder->funcs->destroy(encoder); | |
3849 | } | |
3850 | ||
3851 | list_for_each_entry_safe(connector, ot, | |
3852 | &dev->mode_config.connector_list, head) { | |
3853 | connector->funcs->destroy(connector); | |
3854 | } | |
3855 | ||
3856 | list_for_each_entry_safe(property, pt, &dev->mode_config.property_list, | |
3857 | head) { | |
3858 | drm_property_destroy(dev, property); | |
3859 | } | |
3860 | ||
3861 | list_for_each_entry_safe(blob, bt, &dev->mode_config.property_blob_list, | |
3862 | head) { | |
3863 | drm_property_destroy_blob(dev, blob); | |
3864 | } | |
3865 | ||
3866 | /* | |
3867 | * Single-threaded teardown context, so it's not required to grab the | |
3868 | * fb_lock to protect against concurrent fb_list access. Contrary, it | |
3869 | * would actually deadlock with the drm_framebuffer_cleanup function. | |
3870 | * | |
3871 | * Also, if there are any framebuffers left, that's a driver leak now, | |
3872 | * so politely WARN about this. | |
3873 | */ | |
3874 | WARN_ON(!list_empty(&dev->mode_config.fb_list)); | |
3875 | list_for_each_entry_safe(fb, fbt, &dev->mode_config.fb_list, head) { | |
3876 | drm_framebuffer_remove(fb); | |
3877 | } | |
3878 | ||
3879 | list_for_each_entry_safe(plane, plt, &dev->mode_config.plane_list, | |
3880 | head) { | |
3881 | plane->funcs->destroy(plane); | |
3882 | } | |
3883 | ||
3884 | list_for_each_entry_safe(crtc, ct, &dev->mode_config.crtc_list, head) { | |
3885 | crtc->funcs->destroy(crtc); | |
3886 | } | |
3887 | ||
3888 | idr_destroy(&dev->mode_config.crtc_idr); | |
3889 | } | |
3890 | EXPORT_SYMBOL(drm_mode_config_cleanup); |