Commit | Line | Data |
---|---|---|
f453ba04 DA |
1 | /* |
2 | * Copyright (c) 2006-2008 Intel Corporation | |
3 | * Copyright (c) 2007 Dave Airlie <airlied@linux.ie> | |
4 | * Copyright (c) 2008 Red Hat Inc. | |
5 | * | |
6 | * DRM core CRTC related functions | |
7 | * | |
8 | * Permission to use, copy, modify, distribute, and sell this software and its | |
9 | * documentation for any purpose is hereby granted without fee, provided that | |
10 | * the above copyright notice appear in all copies and that both that copyright | |
11 | * notice and this permission notice appear in supporting documentation, and | |
12 | * that the name of the copyright holders not be used in advertising or | |
13 | * publicity pertaining to distribution of the software without specific, | |
14 | * written prior permission. The copyright holders make no representations | |
15 | * about the suitability of this software for any purpose. It is provided "as | |
16 | * is" without express or implied warranty. | |
17 | * | |
18 | * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, | |
19 | * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO | |
20 | * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR | |
21 | * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, | |
22 | * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER | |
23 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE | |
24 | * OF THIS SOFTWARE. | |
25 | * | |
26 | * Authors: | |
27 | * Keith Packard | |
28 | * Eric Anholt <eric@anholt.net> | |
29 | * Dave Airlie <airlied@linux.ie> | |
30 | * Jesse Barnes <jesse.barnes@intel.com> | |
31 | */ | |
6ba6d03e | 32 | #include <linux/ctype.h> |
f453ba04 | 33 | #include <linux/list.h> |
5a0e3ad6 | 34 | #include <linux/slab.h> |
2d1a8a48 | 35 | #include <linux/export.h> |
760285e7 DH |
36 | #include <drm/drmP.h> |
37 | #include <drm/drm_crtc.h> | |
38 | #include <drm/drm_edid.h> | |
39 | #include <drm/drm_fourcc.h> | |
f453ba04 | 40 | |
84849903 DV |
41 | /** |
42 | * drm_modeset_lock_all - take all modeset locks | |
43 | * @dev: drm device | |
44 | * | |
45 | * This function takes all modeset locks, suitable where a more fine-grained | |
46 | * scheme isn't (yet) implemented. | |
47 | */ | |
48 | void drm_modeset_lock_all(struct drm_device *dev) | |
49 | { | |
29494c17 DV |
50 | struct drm_crtc *crtc; |
51 | ||
84849903 | 52 | mutex_lock(&dev->mode_config.mutex); |
29494c17 DV |
53 | |
54 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) | |
55 | mutex_lock_nest_lock(&crtc->mutex, &dev->mode_config.mutex); | |
84849903 DV |
56 | } |
57 | EXPORT_SYMBOL(drm_modeset_lock_all); | |
58 | ||
59 | /** | |
60 | * drm_modeset_unlock_all - drop all modeset locks | |
61 | * @dev: device | |
62 | */ | |
63 | void drm_modeset_unlock_all(struct drm_device *dev) | |
64 | { | |
29494c17 DV |
65 | struct drm_crtc *crtc; |
66 | ||
67 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) | |
68 | mutex_unlock(&crtc->mutex); | |
69 | ||
84849903 DV |
70 | mutex_unlock(&dev->mode_config.mutex); |
71 | } | |
72 | EXPORT_SYMBOL(drm_modeset_unlock_all); | |
73 | ||
6aed8ec3 DV |
74 | /** |
75 | * drm_warn_on_modeset_not_all_locked - check that all modeset locks are locked | |
76 | * @dev: device | |
77 | */ | |
78 | void drm_warn_on_modeset_not_all_locked(struct drm_device *dev) | |
79 | { | |
80 | struct drm_crtc *crtc; | |
81 | ||
a9b054e8 DV |
82 | /* Locking is currently fubar in the panic handler. */ |
83 | if (oops_in_progress) | |
84 | return; | |
85 | ||
6aed8ec3 DV |
86 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) |
87 | WARN_ON(!mutex_is_locked(&crtc->mutex)); | |
88 | ||
89 | WARN_ON(!mutex_is_locked(&dev->mode_config.mutex)); | |
90 | } | |
91 | EXPORT_SYMBOL(drm_warn_on_modeset_not_all_locked); | |
92 | ||
f453ba04 DA |
93 | /* Avoid boilerplate. I'm tired of typing. */ |
94 | #define DRM_ENUM_NAME_FN(fnname, list) \ | |
d20d3174 | 95 | const char *fnname(int val) \ |
f453ba04 DA |
96 | { \ |
97 | int i; \ | |
98 | for (i = 0; i < ARRAY_SIZE(list); i++) { \ | |
99 | if (list[i].type == val) \ | |
100 | return list[i].name; \ | |
101 | } \ | |
102 | return "(unknown)"; \ | |
103 | } | |
104 | ||
105 | /* | |
106 | * Global properties | |
107 | */ | |
d20d3174 | 108 | static const struct drm_prop_enum_list drm_dpms_enum_list[] = |
f453ba04 DA |
109 | { { DRM_MODE_DPMS_ON, "On" }, |
110 | { DRM_MODE_DPMS_STANDBY, "Standby" }, | |
111 | { DRM_MODE_DPMS_SUSPEND, "Suspend" }, | |
112 | { DRM_MODE_DPMS_OFF, "Off" } | |
113 | }; | |
114 | ||
115 | DRM_ENUM_NAME_FN(drm_get_dpms_name, drm_dpms_enum_list) | |
116 | ||
117 | /* | |
118 | * Optional properties | |
119 | */ | |
d20d3174 | 120 | static const struct drm_prop_enum_list drm_scaling_mode_enum_list[] = |
f453ba04 | 121 | { |
53bd8389 JB |
122 | { DRM_MODE_SCALE_NONE, "None" }, |
123 | { DRM_MODE_SCALE_FULLSCREEN, "Full" }, | |
124 | { DRM_MODE_SCALE_CENTER, "Center" }, | |
125 | { DRM_MODE_SCALE_ASPECT, "Full aspect" }, | |
f453ba04 DA |
126 | }; |
127 | ||
d20d3174 | 128 | static const struct drm_prop_enum_list drm_dithering_mode_enum_list[] = |
f453ba04 DA |
129 | { |
130 | { DRM_MODE_DITHERING_OFF, "Off" }, | |
131 | { DRM_MODE_DITHERING_ON, "On" }, | |
92897b5c | 132 | { DRM_MODE_DITHERING_AUTO, "Automatic" }, |
f453ba04 DA |
133 | }; |
134 | ||
135 | /* | |
136 | * Non-global properties, but "required" for certain connectors. | |
137 | */ | |
d20d3174 | 138 | static const struct drm_prop_enum_list drm_dvi_i_select_enum_list[] = |
f453ba04 DA |
139 | { |
140 | { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */ | |
141 | { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */ | |
142 | { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */ | |
143 | }; | |
144 | ||
145 | DRM_ENUM_NAME_FN(drm_get_dvi_i_select_name, drm_dvi_i_select_enum_list) | |
146 | ||
d20d3174 | 147 | static const struct drm_prop_enum_list drm_dvi_i_subconnector_enum_list[] = |
f453ba04 DA |
148 | { |
149 | { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */ | |
150 | { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */ | |
151 | { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */ | |
152 | }; | |
153 | ||
154 | DRM_ENUM_NAME_FN(drm_get_dvi_i_subconnector_name, | |
155 | drm_dvi_i_subconnector_enum_list) | |
156 | ||
d20d3174 | 157 | static const struct drm_prop_enum_list drm_tv_select_enum_list[] = |
f453ba04 DA |
158 | { |
159 | { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */ | |
160 | { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */ | |
161 | { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */ | |
162 | { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */ | |
aeaa1ad3 | 163 | { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */ |
f453ba04 DA |
164 | }; |
165 | ||
166 | DRM_ENUM_NAME_FN(drm_get_tv_select_name, drm_tv_select_enum_list) | |
167 | ||
d20d3174 | 168 | static const struct drm_prop_enum_list drm_tv_subconnector_enum_list[] = |
f453ba04 DA |
169 | { |
170 | { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */ | |
171 | { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */ | |
172 | { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */ | |
173 | { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */ | |
aeaa1ad3 | 174 | { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */ |
f453ba04 DA |
175 | }; |
176 | ||
177 | DRM_ENUM_NAME_FN(drm_get_tv_subconnector_name, | |
178 | drm_tv_subconnector_enum_list) | |
179 | ||
d20d3174 | 180 | static const struct drm_prop_enum_list drm_dirty_info_enum_list[] = { |
884840aa JB |
181 | { DRM_MODE_DIRTY_OFF, "Off" }, |
182 | { DRM_MODE_DIRTY_ON, "On" }, | |
183 | { DRM_MODE_DIRTY_ANNOTATE, "Annotate" }, | |
184 | }; | |
185 | ||
f453ba04 DA |
186 | struct drm_conn_prop_enum_list { |
187 | int type; | |
d20d3174 | 188 | const char *name; |
f453ba04 DA |
189 | int count; |
190 | }; | |
191 | ||
192 | /* | |
193 | * Connector and encoder types. | |
194 | */ | |
195 | static struct drm_conn_prop_enum_list drm_connector_enum_list[] = | |
196 | { { DRM_MODE_CONNECTOR_Unknown, "Unknown", 0 }, | |
197 | { DRM_MODE_CONNECTOR_VGA, "VGA", 0 }, | |
198 | { DRM_MODE_CONNECTOR_DVII, "DVI-I", 0 }, | |
199 | { DRM_MODE_CONNECTOR_DVID, "DVI-D", 0 }, | |
200 | { DRM_MODE_CONNECTOR_DVIA, "DVI-A", 0 }, | |
201 | { DRM_MODE_CONNECTOR_Composite, "Composite", 0 }, | |
202 | { DRM_MODE_CONNECTOR_SVIDEO, "SVIDEO", 0 }, | |
203 | { DRM_MODE_CONNECTOR_LVDS, "LVDS", 0 }, | |
204 | { DRM_MODE_CONNECTOR_Component, "Component", 0 }, | |
e76116ca AD |
205 | { DRM_MODE_CONNECTOR_9PinDIN, "DIN", 0 }, |
206 | { DRM_MODE_CONNECTOR_DisplayPort, "DP", 0 }, | |
207 | { DRM_MODE_CONNECTOR_HDMIA, "HDMI-A", 0 }, | |
208 | { DRM_MODE_CONNECTOR_HDMIB, "HDMI-B", 0 }, | |
74bd3c26 | 209 | { DRM_MODE_CONNECTOR_TV, "TV", 0 }, |
e76116ca | 210 | { DRM_MODE_CONNECTOR_eDP, "eDP", 0 }, |
a7331e5c | 211 | { DRM_MODE_CONNECTOR_VIRTUAL, "Virtual", 0}, |
f453ba04 DA |
212 | }; |
213 | ||
d20d3174 | 214 | static const struct drm_prop_enum_list drm_encoder_enum_list[] = |
f453ba04 DA |
215 | { { DRM_MODE_ENCODER_NONE, "None" }, |
216 | { DRM_MODE_ENCODER_DAC, "DAC" }, | |
217 | { DRM_MODE_ENCODER_TMDS, "TMDS" }, | |
218 | { DRM_MODE_ENCODER_LVDS, "LVDS" }, | |
219 | { DRM_MODE_ENCODER_TVDAC, "TV" }, | |
a7331e5c | 220 | { DRM_MODE_ENCODER_VIRTUAL, "Virtual" }, |
f453ba04 DA |
221 | }; |
222 | ||
d20d3174 | 223 | const char *drm_get_encoder_name(const struct drm_encoder *encoder) |
f453ba04 DA |
224 | { |
225 | static char buf[32]; | |
226 | ||
227 | snprintf(buf, 32, "%s-%d", | |
228 | drm_encoder_enum_list[encoder->encoder_type].name, | |
229 | encoder->base.id); | |
230 | return buf; | |
231 | } | |
13a8195b | 232 | EXPORT_SYMBOL(drm_get_encoder_name); |
f453ba04 | 233 | |
d20d3174 | 234 | const char *drm_get_connector_name(const struct drm_connector *connector) |
f453ba04 DA |
235 | { |
236 | static char buf[32]; | |
237 | ||
238 | snprintf(buf, 32, "%s-%d", | |
239 | drm_connector_enum_list[connector->connector_type].name, | |
240 | connector->connector_type_id); | |
241 | return buf; | |
242 | } | |
243 | EXPORT_SYMBOL(drm_get_connector_name); | |
244 | ||
d20d3174 | 245 | const char *drm_get_connector_status_name(enum drm_connector_status status) |
f453ba04 DA |
246 | { |
247 | if (status == connector_status_connected) | |
248 | return "connected"; | |
249 | else if (status == connector_status_disconnected) | |
250 | return "disconnected"; | |
251 | else | |
252 | return "unknown"; | |
253 | } | |
ed7951dc | 254 | EXPORT_SYMBOL(drm_get_connector_status_name); |
f453ba04 | 255 | |
6ba6d03e VS |
256 | static char printable_char(int c) |
257 | { | |
258 | return isascii(c) && isprint(c) ? c : '?'; | |
259 | } | |
260 | ||
d20d3174 | 261 | const char *drm_get_format_name(uint32_t format) |
6ba6d03e VS |
262 | { |
263 | static char buf[32]; | |
264 | ||
265 | snprintf(buf, sizeof(buf), | |
266 | "%c%c%c%c %s-endian (0x%08x)", | |
267 | printable_char(format & 0xff), | |
268 | printable_char((format >> 8) & 0xff), | |
269 | printable_char((format >> 16) & 0xff), | |
270 | printable_char((format >> 24) & 0x7f), | |
271 | format & DRM_FORMAT_BIG_ENDIAN ? "big" : "little", | |
272 | format); | |
273 | ||
274 | return buf; | |
275 | } | |
276 | EXPORT_SYMBOL(drm_get_format_name); | |
277 | ||
f453ba04 | 278 | /** |
065a50ed | 279 | * drm_mode_object_get - allocate a new modeset identifier |
f453ba04 | 280 | * @dev: DRM device |
065a50ed DV |
281 | * @obj: object pointer, used to generate unique ID |
282 | * @obj_type: object type | |
f453ba04 | 283 | * |
f453ba04 DA |
284 | * Create a unique identifier based on @ptr in @dev's identifier space. Used |
285 | * for tracking modes, CRTCs and connectors. | |
286 | * | |
287 | * RETURNS: | |
288 | * New unique (relative to other objects in @dev) integer identifier for the | |
289 | * object. | |
290 | */ | |
291 | static int drm_mode_object_get(struct drm_device *dev, | |
292 | struct drm_mode_object *obj, uint32_t obj_type) | |
293 | { | |
f453ba04 DA |
294 | int ret; |
295 | ||
ad2563c2 | 296 | mutex_lock(&dev->mode_config.idr_mutex); |
2e928815 TH |
297 | ret = idr_alloc(&dev->mode_config.crtc_idr, obj, 1, 0, GFP_KERNEL); |
298 | if (ret >= 0) { | |
4b096ac1 DV |
299 | /* |
300 | * Set up the object linking under the protection of the idr | |
301 | * lock so that other users can't see inconsistent state. | |
302 | */ | |
2e928815 | 303 | obj->id = ret; |
4b096ac1 DV |
304 | obj->type = obj_type; |
305 | } | |
ad2563c2 | 306 | mutex_unlock(&dev->mode_config.idr_mutex); |
4b096ac1 | 307 | |
2e928815 | 308 | return ret < 0 ? ret : 0; |
f453ba04 DA |
309 | } |
310 | ||
311 | /** | |
065a50ed | 312 | * drm_mode_object_put - free a modeset identifer |
f453ba04 | 313 | * @dev: DRM device |
065a50ed | 314 | * @object: object to free |
f453ba04 | 315 | * |
f453ba04 DA |
316 | * Free @id from @dev's unique identifier pool. |
317 | */ | |
318 | static void drm_mode_object_put(struct drm_device *dev, | |
319 | struct drm_mode_object *object) | |
320 | { | |
ad2563c2 | 321 | mutex_lock(&dev->mode_config.idr_mutex); |
f453ba04 | 322 | idr_remove(&dev->mode_config.crtc_idr, object->id); |
ad2563c2 | 323 | mutex_unlock(&dev->mode_config.idr_mutex); |
f453ba04 DA |
324 | } |
325 | ||
786b99ed DV |
326 | /** |
327 | * drm_mode_object_find - look up a drm object with static lifetime | |
328 | * @dev: drm device | |
329 | * @id: id of the mode object | |
330 | * @type: type of the mode object | |
331 | * | |
332 | * Note that framebuffers cannot be looked up with this functions - since those | |
333 | * are reference counted, they need special treatment. | |
334 | */ | |
7a9c9060 DV |
335 | struct drm_mode_object *drm_mode_object_find(struct drm_device *dev, |
336 | uint32_t id, uint32_t type) | |
f453ba04 | 337 | { |
ad2563c2 | 338 | struct drm_mode_object *obj = NULL; |
f453ba04 | 339 | |
786b99ed DV |
340 | /* Framebuffers are reference counted and need their own lookup |
341 | * function.*/ | |
342 | WARN_ON(type == DRM_MODE_OBJECT_FB); | |
343 | ||
ad2563c2 | 344 | mutex_lock(&dev->mode_config.idr_mutex); |
f453ba04 DA |
345 | obj = idr_find(&dev->mode_config.crtc_idr, id); |
346 | if (!obj || (obj->type != type) || (obj->id != id)) | |
ad2563c2 JB |
347 | obj = NULL; |
348 | mutex_unlock(&dev->mode_config.idr_mutex); | |
f453ba04 DA |
349 | |
350 | return obj; | |
351 | } | |
352 | EXPORT_SYMBOL(drm_mode_object_find); | |
353 | ||
f453ba04 DA |
354 | /** |
355 | * drm_framebuffer_init - initialize a framebuffer | |
356 | * @dev: DRM device | |
065a50ed DV |
357 | * @fb: framebuffer to be initialized |
358 | * @funcs: ... with these functions | |
f453ba04 | 359 | * |
f453ba04 DA |
360 | * Allocates an ID for the framebuffer's parent mode object, sets its mode |
361 | * functions & device file and adds it to the master fd list. | |
362 | * | |
4b096ac1 DV |
363 | * IMPORTANT: |
364 | * This functions publishes the fb and makes it available for concurrent access | |
365 | * by other users. Which means by this point the fb _must_ be fully set up - | |
366 | * since all the fb attributes are invariant over its lifetime, no further | |
367 | * locking but only correct reference counting is required. | |
368 | * | |
f453ba04 | 369 | * RETURNS: |
af901ca1 | 370 | * Zero on success, error code on failure. |
f453ba04 DA |
371 | */ |
372 | int drm_framebuffer_init(struct drm_device *dev, struct drm_framebuffer *fb, | |
373 | const struct drm_framebuffer_funcs *funcs) | |
374 | { | |
375 | int ret; | |
376 | ||
4b096ac1 | 377 | mutex_lock(&dev->mode_config.fb_lock); |
f7eff60e | 378 | kref_init(&fb->refcount); |
4b096ac1 DV |
379 | INIT_LIST_HEAD(&fb->filp_head); |
380 | fb->dev = dev; | |
381 | fb->funcs = funcs; | |
f7eff60e | 382 | |
f453ba04 | 383 | ret = drm_mode_object_get(dev, &fb->base, DRM_MODE_OBJECT_FB); |
6bfc56aa | 384 | if (ret) |
4b096ac1 | 385 | goto out; |
f453ba04 | 386 | |
2b677e8c DV |
387 | /* Grab the idr reference. */ |
388 | drm_framebuffer_reference(fb); | |
389 | ||
f453ba04 DA |
390 | dev->mode_config.num_fb++; |
391 | list_add(&fb->head, &dev->mode_config.fb_list); | |
4b096ac1 DV |
392 | out: |
393 | mutex_unlock(&dev->mode_config.fb_lock); | |
f453ba04 DA |
394 | |
395 | return 0; | |
396 | } | |
397 | EXPORT_SYMBOL(drm_framebuffer_init); | |
398 | ||
f7eff60e RC |
399 | static void drm_framebuffer_free(struct kref *kref) |
400 | { | |
401 | struct drm_framebuffer *fb = | |
402 | container_of(kref, struct drm_framebuffer, refcount); | |
403 | fb->funcs->destroy(fb); | |
404 | } | |
405 | ||
2b677e8c DV |
406 | static struct drm_framebuffer *__drm_framebuffer_lookup(struct drm_device *dev, |
407 | uint32_t id) | |
408 | { | |
409 | struct drm_mode_object *obj = NULL; | |
410 | struct drm_framebuffer *fb; | |
411 | ||
412 | mutex_lock(&dev->mode_config.idr_mutex); | |
413 | obj = idr_find(&dev->mode_config.crtc_idr, id); | |
414 | if (!obj || (obj->type != DRM_MODE_OBJECT_FB) || (obj->id != id)) | |
415 | fb = NULL; | |
416 | else | |
417 | fb = obj_to_fb(obj); | |
418 | mutex_unlock(&dev->mode_config.idr_mutex); | |
419 | ||
420 | return fb; | |
421 | } | |
422 | ||
786b99ed DV |
423 | /** |
424 | * drm_framebuffer_lookup - look up a drm framebuffer and grab a reference | |
425 | * @dev: drm device | |
426 | * @id: id of the fb object | |
427 | * | |
428 | * If successful, this grabs an additional reference to the framebuffer - | |
429 | * callers need to make sure to eventually unreference the returned framebuffer | |
430 | * again. | |
431 | */ | |
432 | struct drm_framebuffer *drm_framebuffer_lookup(struct drm_device *dev, | |
433 | uint32_t id) | |
434 | { | |
786b99ed DV |
435 | struct drm_framebuffer *fb; |
436 | ||
437 | mutex_lock(&dev->mode_config.fb_lock); | |
2b677e8c | 438 | fb = __drm_framebuffer_lookup(dev, id); |
786b99ed | 439 | if (fb) |
9131d3d8 | 440 | drm_framebuffer_reference(fb); |
786b99ed DV |
441 | mutex_unlock(&dev->mode_config.fb_lock); |
442 | ||
443 | return fb; | |
444 | } | |
445 | EXPORT_SYMBOL(drm_framebuffer_lookup); | |
446 | ||
f7eff60e RC |
447 | /** |
448 | * drm_framebuffer_unreference - unref a framebuffer | |
065a50ed DV |
449 | * @fb: framebuffer to unref |
450 | * | |
451 | * This functions decrements the fb's refcount and frees it if it drops to zero. | |
f7eff60e RC |
452 | */ |
453 | void drm_framebuffer_unreference(struct drm_framebuffer *fb) | |
454 | { | |
f7eff60e | 455 | DRM_DEBUG("FB ID: %d\n", fb->base.id); |
f7eff60e RC |
456 | kref_put(&fb->refcount, drm_framebuffer_free); |
457 | } | |
458 | EXPORT_SYMBOL(drm_framebuffer_unreference); | |
459 | ||
460 | /** | |
461 | * drm_framebuffer_reference - incr the fb refcnt | |
065a50ed | 462 | * @fb: framebuffer |
f7eff60e RC |
463 | */ |
464 | void drm_framebuffer_reference(struct drm_framebuffer *fb) | |
465 | { | |
466 | DRM_DEBUG("FB ID: %d\n", fb->base.id); | |
467 | kref_get(&fb->refcount); | |
468 | } | |
469 | EXPORT_SYMBOL(drm_framebuffer_reference); | |
470 | ||
2b677e8c DV |
471 | static void drm_framebuffer_free_bug(struct kref *kref) |
472 | { | |
473 | BUG(); | |
474 | } | |
475 | ||
6c2a7532 DV |
476 | static void __drm_framebuffer_unreference(struct drm_framebuffer *fb) |
477 | { | |
478 | DRM_DEBUG("FB ID: %d\n", fb->base.id); | |
479 | kref_put(&fb->refcount, drm_framebuffer_free_bug); | |
480 | } | |
481 | ||
2b677e8c DV |
482 | /* dev->mode_config.fb_lock must be held! */ |
483 | static void __drm_framebuffer_unregister(struct drm_device *dev, | |
484 | struct drm_framebuffer *fb) | |
485 | { | |
486 | mutex_lock(&dev->mode_config.idr_mutex); | |
487 | idr_remove(&dev->mode_config.crtc_idr, fb->base.id); | |
488 | mutex_unlock(&dev->mode_config.idr_mutex); | |
489 | ||
490 | fb->base.id = 0; | |
491 | ||
6c2a7532 | 492 | __drm_framebuffer_unreference(fb); |
2b677e8c DV |
493 | } |
494 | ||
36206361 DV |
495 | /** |
496 | * drm_framebuffer_unregister_private - unregister a private fb from the lookup idr | |
497 | * @fb: fb to unregister | |
498 | * | |
499 | * Drivers need to call this when cleaning up driver-private framebuffers, e.g. | |
500 | * those used for fbdev. Note that the caller must hold a reference of it's own, | |
501 | * i.e. the object may not be destroyed through this call (since it'll lead to a | |
502 | * locking inversion). | |
503 | */ | |
504 | void drm_framebuffer_unregister_private(struct drm_framebuffer *fb) | |
505 | { | |
2b677e8c DV |
506 | struct drm_device *dev = fb->dev; |
507 | ||
508 | mutex_lock(&dev->mode_config.fb_lock); | |
509 | /* Mark fb as reaped and drop idr ref. */ | |
510 | __drm_framebuffer_unregister(dev, fb); | |
511 | mutex_unlock(&dev->mode_config.fb_lock); | |
36206361 DV |
512 | } |
513 | EXPORT_SYMBOL(drm_framebuffer_unregister_private); | |
514 | ||
f453ba04 DA |
515 | /** |
516 | * drm_framebuffer_cleanup - remove a framebuffer object | |
517 | * @fb: framebuffer to remove | |
518 | * | |
36206361 DV |
519 | * Cleanup references to a user-created framebuffer. This function is intended |
520 | * to be used from the drivers ->destroy callback. | |
521 | * | |
522 | * Note that this function does not remove the fb from active usuage - if it is | |
523 | * still used anywhere, hilarity can ensue since userspace could call getfb on | |
524 | * the id and get back -EINVAL. Obviously no concern at driver unload time. | |
525 | * | |
526 | * Also, the framebuffer will not be removed from the lookup idr - for | |
527 | * user-created framebuffers this will happen in in the rmfb ioctl. For | |
528 | * driver-private objects (e.g. for fbdev) drivers need to explicitly call | |
529 | * drm_framebuffer_unregister_private. | |
f453ba04 DA |
530 | */ |
531 | void drm_framebuffer_cleanup(struct drm_framebuffer *fb) | |
f7eff60e RC |
532 | { |
533 | struct drm_device *dev = fb->dev; | |
8faf6b18 | 534 | |
4b096ac1 | 535 | mutex_lock(&dev->mode_config.fb_lock); |
f7eff60e RC |
536 | list_del(&fb->head); |
537 | dev->mode_config.num_fb--; | |
4b096ac1 | 538 | mutex_unlock(&dev->mode_config.fb_lock); |
f7eff60e RC |
539 | } |
540 | EXPORT_SYMBOL(drm_framebuffer_cleanup); | |
541 | ||
542 | /** | |
543 | * drm_framebuffer_remove - remove and unreference a framebuffer object | |
544 | * @fb: framebuffer to remove | |
545 | * | |
f7eff60e | 546 | * Scans all the CRTCs and planes in @dev's mode_config. If they're |
36206361 | 547 | * using @fb, removes it, setting it to NULL. Then drops the reference to the |
b62584e3 DV |
548 | * passed-in framebuffer. Might take the modeset locks. |
549 | * | |
550 | * Note that this function optimizes the cleanup away if the caller holds the | |
551 | * last reference to the framebuffer. It is also guaranteed to not take the | |
552 | * modeset locks in this case. | |
f7eff60e RC |
553 | */ |
554 | void drm_framebuffer_remove(struct drm_framebuffer *fb) | |
f453ba04 DA |
555 | { |
556 | struct drm_device *dev = fb->dev; | |
557 | struct drm_crtc *crtc; | |
8cf5c917 | 558 | struct drm_plane *plane; |
5ef5f72f DA |
559 | struct drm_mode_set set; |
560 | int ret; | |
f453ba04 | 561 | |
4b096ac1 | 562 | WARN_ON(!list_empty(&fb->filp_head)); |
8faf6b18 | 563 | |
b62584e3 DV |
564 | /* |
565 | * drm ABI mandates that we remove any deleted framebuffers from active | |
566 | * useage. But since most sane clients only remove framebuffers they no | |
567 | * longer need, try to optimize this away. | |
568 | * | |
569 | * Since we're holding a reference ourselves, observing a refcount of 1 | |
570 | * means that we're the last holder and can skip it. Also, the refcount | |
571 | * can never increase from 1 again, so we don't need any barriers or | |
572 | * locks. | |
573 | * | |
574 | * Note that userspace could try to race with use and instate a new | |
575 | * usage _after_ we've cleared all current ones. End result will be an | |
576 | * in-use fb with fb-id == 0. Userspace is allowed to shoot its own foot | |
577 | * in this manner. | |
578 | */ | |
579 | if (atomic_read(&fb->refcount.refcount) > 1) { | |
580 | drm_modeset_lock_all(dev); | |
581 | /* remove from any CRTC */ | |
582 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { | |
583 | if (crtc->fb == fb) { | |
584 | /* should turn off the crtc */ | |
585 | memset(&set, 0, sizeof(struct drm_mode_set)); | |
586 | set.crtc = crtc; | |
587 | set.fb = NULL; | |
588 | ret = drm_mode_set_config_internal(&set); | |
589 | if (ret) | |
590 | DRM_ERROR("failed to reset crtc %p when fb was deleted\n", crtc); | |
591 | } | |
5ef5f72f | 592 | } |
f453ba04 | 593 | |
b62584e3 | 594 | list_for_each_entry(plane, &dev->mode_config.plane_list, head) { |
9125e618 VS |
595 | if (plane->fb == fb) |
596 | drm_plane_force_disable(plane); | |
8cf5c917 | 597 | } |
b62584e3 | 598 | drm_modeset_unlock_all(dev); |
8cf5c917 JB |
599 | } |
600 | ||
f7eff60e | 601 | drm_framebuffer_unreference(fb); |
f453ba04 | 602 | } |
f7eff60e | 603 | EXPORT_SYMBOL(drm_framebuffer_remove); |
f453ba04 DA |
604 | |
605 | /** | |
606 | * drm_crtc_init - Initialise a new CRTC object | |
607 | * @dev: DRM device | |
608 | * @crtc: CRTC object to init | |
609 | * @funcs: callbacks for the new CRTC | |
610 | * | |
ad6f5c34 | 611 | * Inits a new object created as base part of a driver crtc object. |
6bfc56aa VS |
612 | * |
613 | * RETURNS: | |
614 | * Zero on success, error code on failure. | |
f453ba04 | 615 | */ |
6bfc56aa | 616 | int drm_crtc_init(struct drm_device *dev, struct drm_crtc *crtc, |
f453ba04 DA |
617 | const struct drm_crtc_funcs *funcs) |
618 | { | |
6bfc56aa VS |
619 | int ret; |
620 | ||
f453ba04 DA |
621 | crtc->dev = dev; |
622 | crtc->funcs = funcs; | |
7c80e128 | 623 | crtc->invert_dimensions = false; |
f453ba04 | 624 | |
84849903 | 625 | drm_modeset_lock_all(dev); |
29494c17 DV |
626 | mutex_init(&crtc->mutex); |
627 | mutex_lock_nest_lock(&crtc->mutex, &dev->mode_config.mutex); | |
6bfc56aa VS |
628 | |
629 | ret = drm_mode_object_get(dev, &crtc->base, DRM_MODE_OBJECT_CRTC); | |
630 | if (ret) | |
631 | goto out; | |
f453ba04 | 632 | |
bffd9de0 PZ |
633 | crtc->base.properties = &crtc->properties; |
634 | ||
f453ba04 DA |
635 | list_add_tail(&crtc->head, &dev->mode_config.crtc_list); |
636 | dev->mode_config.num_crtc++; | |
6bfc56aa VS |
637 | |
638 | out: | |
84849903 | 639 | drm_modeset_unlock_all(dev); |
6bfc56aa VS |
640 | |
641 | return ret; | |
f453ba04 DA |
642 | } |
643 | EXPORT_SYMBOL(drm_crtc_init); | |
644 | ||
645 | /** | |
ad6f5c34 | 646 | * drm_crtc_cleanup - Clean up the core crtc usage |
f453ba04 DA |
647 | * @crtc: CRTC to cleanup |
648 | * | |
ad6f5c34 VS |
649 | * This function cleans up @crtc and removes it from the DRM mode setting |
650 | * core. Note that the function does *not* free the crtc structure itself, | |
651 | * this is the responsibility of the caller. | |
f453ba04 DA |
652 | */ |
653 | void drm_crtc_cleanup(struct drm_crtc *crtc) | |
654 | { | |
655 | struct drm_device *dev = crtc->dev; | |
656 | ||
9e1c156f SK |
657 | kfree(crtc->gamma_store); |
658 | crtc->gamma_store = NULL; | |
f453ba04 DA |
659 | |
660 | drm_mode_object_put(dev, &crtc->base); | |
661 | list_del(&crtc->head); | |
662 | dev->mode_config.num_crtc--; | |
663 | } | |
664 | EXPORT_SYMBOL(drm_crtc_cleanup); | |
665 | ||
666 | /** | |
667 | * drm_mode_probed_add - add a mode to a connector's probed mode list | |
668 | * @connector: connector the new mode | |
669 | * @mode: mode data | |
670 | * | |
f453ba04 DA |
671 | * Add @mode to @connector's mode list for later use. |
672 | */ | |
673 | void drm_mode_probed_add(struct drm_connector *connector, | |
674 | struct drm_display_mode *mode) | |
675 | { | |
990256ae | 676 | list_add_tail(&mode->head, &connector->probed_modes); |
f453ba04 DA |
677 | } |
678 | EXPORT_SYMBOL(drm_mode_probed_add); | |
679 | ||
680 | /** | |
681 | * drm_mode_remove - remove and free a mode | |
682 | * @connector: connector list to modify | |
683 | * @mode: mode to remove | |
684 | * | |
f453ba04 DA |
685 | * Remove @mode from @connector's mode list, then free it. |
686 | */ | |
687 | void drm_mode_remove(struct drm_connector *connector, | |
688 | struct drm_display_mode *mode) | |
689 | { | |
690 | list_del(&mode->head); | |
554f1d78 | 691 | drm_mode_destroy(connector->dev, mode); |
f453ba04 DA |
692 | } |
693 | EXPORT_SYMBOL(drm_mode_remove); | |
694 | ||
695 | /** | |
696 | * drm_connector_init - Init a preallocated connector | |
697 | * @dev: DRM device | |
698 | * @connector: the connector to init | |
699 | * @funcs: callbacks for this connector | |
065a50ed | 700 | * @connector_type: user visible type of the connector |
f453ba04 | 701 | * |
f453ba04 DA |
702 | * Initialises a preallocated connector. Connectors should be |
703 | * subclassed as part of driver connector objects. | |
6bfc56aa VS |
704 | * |
705 | * RETURNS: | |
706 | * Zero on success, error code on failure. | |
f453ba04 | 707 | */ |
6bfc56aa VS |
708 | int drm_connector_init(struct drm_device *dev, |
709 | struct drm_connector *connector, | |
710 | const struct drm_connector_funcs *funcs, | |
711 | int connector_type) | |
f453ba04 | 712 | { |
6bfc56aa VS |
713 | int ret; |
714 | ||
84849903 | 715 | drm_modeset_lock_all(dev); |
f453ba04 | 716 | |
6bfc56aa VS |
717 | ret = drm_mode_object_get(dev, &connector->base, DRM_MODE_OBJECT_CONNECTOR); |
718 | if (ret) | |
719 | goto out; | |
720 | ||
7e3bdf4a | 721 | connector->base.properties = &connector->properties; |
f453ba04 DA |
722 | connector->dev = dev; |
723 | connector->funcs = funcs; | |
f453ba04 DA |
724 | connector->connector_type = connector_type; |
725 | connector->connector_type_id = | |
726 | ++drm_connector_enum_list[connector_type].count; /* TODO */ | |
f453ba04 DA |
727 | INIT_LIST_HEAD(&connector->probed_modes); |
728 | INIT_LIST_HEAD(&connector->modes); | |
729 | connector->edid_blob_ptr = NULL; | |
5e2cb2f6 | 730 | connector->status = connector_status_unknown; |
f453ba04 DA |
731 | |
732 | list_add_tail(&connector->head, &dev->mode_config.connector_list); | |
733 | dev->mode_config.num_connector++; | |
734 | ||
a7331e5c | 735 | if (connector_type != DRM_MODE_CONNECTOR_VIRTUAL) |
58495563 | 736 | drm_object_attach_property(&connector->base, |
a7331e5c TH |
737 | dev->mode_config.edid_property, |
738 | 0); | |
f453ba04 | 739 | |
58495563 | 740 | drm_object_attach_property(&connector->base, |
f453ba04 DA |
741 | dev->mode_config.dpms_property, 0); |
742 | ||
6bfc56aa | 743 | out: |
84849903 | 744 | drm_modeset_unlock_all(dev); |
6bfc56aa VS |
745 | |
746 | return ret; | |
f453ba04 DA |
747 | } |
748 | EXPORT_SYMBOL(drm_connector_init); | |
749 | ||
750 | /** | |
751 | * drm_connector_cleanup - cleans up an initialised connector | |
752 | * @connector: connector to cleanup | |
753 | * | |
f453ba04 DA |
754 | * Cleans up the connector but doesn't free the object. |
755 | */ | |
756 | void drm_connector_cleanup(struct drm_connector *connector) | |
757 | { | |
758 | struct drm_device *dev = connector->dev; | |
759 | struct drm_display_mode *mode, *t; | |
760 | ||
761 | list_for_each_entry_safe(mode, t, &connector->probed_modes, head) | |
762 | drm_mode_remove(connector, mode); | |
763 | ||
764 | list_for_each_entry_safe(mode, t, &connector->modes, head) | |
765 | drm_mode_remove(connector, mode); | |
766 | ||
f453ba04 DA |
767 | drm_mode_object_put(dev, &connector->base); |
768 | list_del(&connector->head); | |
6380c509 | 769 | dev->mode_config.num_connector--; |
f453ba04 DA |
770 | } |
771 | EXPORT_SYMBOL(drm_connector_cleanup); | |
772 | ||
cbc7e221 DA |
773 | void drm_connector_unplug_all(struct drm_device *dev) |
774 | { | |
775 | struct drm_connector *connector; | |
776 | ||
777 | /* taking the mode config mutex ends up in a clash with sysfs */ | |
778 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) | |
779 | drm_sysfs_connector_remove(connector); | |
780 | ||
781 | } | |
782 | EXPORT_SYMBOL(drm_connector_unplug_all); | |
783 | ||
6bfc56aa | 784 | int drm_encoder_init(struct drm_device *dev, |
cbc7e221 DA |
785 | struct drm_encoder *encoder, |
786 | const struct drm_encoder_funcs *funcs, | |
787 | int encoder_type) | |
f453ba04 | 788 | { |
6bfc56aa VS |
789 | int ret; |
790 | ||
84849903 | 791 | drm_modeset_lock_all(dev); |
f453ba04 | 792 | |
6bfc56aa VS |
793 | ret = drm_mode_object_get(dev, &encoder->base, DRM_MODE_OBJECT_ENCODER); |
794 | if (ret) | |
795 | goto out; | |
f453ba04 | 796 | |
6bfc56aa | 797 | encoder->dev = dev; |
f453ba04 DA |
798 | encoder->encoder_type = encoder_type; |
799 | encoder->funcs = funcs; | |
800 | ||
801 | list_add_tail(&encoder->head, &dev->mode_config.encoder_list); | |
802 | dev->mode_config.num_encoder++; | |
803 | ||
6bfc56aa | 804 | out: |
84849903 | 805 | drm_modeset_unlock_all(dev); |
6bfc56aa VS |
806 | |
807 | return ret; | |
f453ba04 DA |
808 | } |
809 | EXPORT_SYMBOL(drm_encoder_init); | |
810 | ||
811 | void drm_encoder_cleanup(struct drm_encoder *encoder) | |
812 | { | |
813 | struct drm_device *dev = encoder->dev; | |
84849903 | 814 | drm_modeset_lock_all(dev); |
f453ba04 DA |
815 | drm_mode_object_put(dev, &encoder->base); |
816 | list_del(&encoder->head); | |
6380c509 | 817 | dev->mode_config.num_encoder--; |
84849903 | 818 | drm_modeset_unlock_all(dev); |
f453ba04 DA |
819 | } |
820 | EXPORT_SYMBOL(drm_encoder_cleanup); | |
821 | ||
35f2c3ae VS |
822 | /** |
823 | * drm_plane_init - Initialise a new plane object | |
824 | * @dev: DRM device | |
825 | * @plane: plane object to init | |
826 | * @possible_crtcs: bitmask of possible CRTCs | |
827 | * @funcs: callbacks for the new plane | |
828 | * @formats: array of supported formats (%DRM_FORMAT_*) | |
829 | * @format_count: number of elements in @formats | |
830 | * @priv: plane is private (hidden from userspace)? | |
831 | * | |
832 | * Inits a new object created as base part of a driver plane object. | |
833 | * | |
834 | * RETURNS: | |
835 | * Zero on success, error code on failure. | |
836 | */ | |
8cf5c917 JB |
837 | int drm_plane_init(struct drm_device *dev, struct drm_plane *plane, |
838 | unsigned long possible_crtcs, | |
839 | const struct drm_plane_funcs *funcs, | |
0a7eb243 RC |
840 | const uint32_t *formats, uint32_t format_count, |
841 | bool priv) | |
8cf5c917 | 842 | { |
6bfc56aa VS |
843 | int ret; |
844 | ||
84849903 | 845 | drm_modeset_lock_all(dev); |
8cf5c917 | 846 | |
6bfc56aa VS |
847 | ret = drm_mode_object_get(dev, &plane->base, DRM_MODE_OBJECT_PLANE); |
848 | if (ret) | |
849 | goto out; | |
850 | ||
4d93914a | 851 | plane->base.properties = &plane->properties; |
8cf5c917 | 852 | plane->dev = dev; |
8cf5c917 JB |
853 | plane->funcs = funcs; |
854 | plane->format_types = kmalloc(sizeof(uint32_t) * format_count, | |
855 | GFP_KERNEL); | |
856 | if (!plane->format_types) { | |
857 | DRM_DEBUG_KMS("out of memory when allocating plane\n"); | |
858 | drm_mode_object_put(dev, &plane->base); | |
6bfc56aa VS |
859 | ret = -ENOMEM; |
860 | goto out; | |
8cf5c917 JB |
861 | } |
862 | ||
308e5bcb | 863 | memcpy(plane->format_types, formats, format_count * sizeof(uint32_t)); |
8cf5c917 JB |
864 | plane->format_count = format_count; |
865 | plane->possible_crtcs = possible_crtcs; | |
866 | ||
0a7eb243 RC |
867 | /* private planes are not exposed to userspace, but depending on |
868 | * display hardware, might be convenient to allow sharing programming | |
869 | * for the scanout engine with the crtc implementation. | |
870 | */ | |
871 | if (!priv) { | |
872 | list_add_tail(&plane->head, &dev->mode_config.plane_list); | |
873 | dev->mode_config.num_plane++; | |
874 | } else { | |
875 | INIT_LIST_HEAD(&plane->head); | |
876 | } | |
8cf5c917 | 877 | |
6bfc56aa | 878 | out: |
84849903 | 879 | drm_modeset_unlock_all(dev); |
8cf5c917 | 880 | |
6bfc56aa | 881 | return ret; |
8cf5c917 JB |
882 | } |
883 | EXPORT_SYMBOL(drm_plane_init); | |
884 | ||
35f2c3ae VS |
885 | /** |
886 | * drm_plane_cleanup - Clean up the core plane usage | |
887 | * @plane: plane to cleanup | |
888 | * | |
889 | * This function cleans up @plane and removes it from the DRM mode setting | |
890 | * core. Note that the function does *not* free the plane structure itself, | |
891 | * this is the responsibility of the caller. | |
892 | */ | |
8cf5c917 JB |
893 | void drm_plane_cleanup(struct drm_plane *plane) |
894 | { | |
895 | struct drm_device *dev = plane->dev; | |
896 | ||
84849903 | 897 | drm_modeset_lock_all(dev); |
8cf5c917 JB |
898 | kfree(plane->format_types); |
899 | drm_mode_object_put(dev, &plane->base); | |
0a7eb243 RC |
900 | /* if not added to a list, it must be a private plane */ |
901 | if (!list_empty(&plane->head)) { | |
902 | list_del(&plane->head); | |
903 | dev->mode_config.num_plane--; | |
904 | } | |
84849903 | 905 | drm_modeset_unlock_all(dev); |
8cf5c917 JB |
906 | } |
907 | EXPORT_SYMBOL(drm_plane_cleanup); | |
908 | ||
35f2c3ae VS |
909 | /** |
910 | * drm_plane_force_disable - Forcibly disable a plane | |
911 | * @plane: plane to disable | |
912 | * | |
913 | * Forces the plane to be disabled. | |
914 | * | |
915 | * Used when the plane's current framebuffer is destroyed, | |
916 | * and when restoring fbdev mode. | |
917 | */ | |
9125e618 VS |
918 | void drm_plane_force_disable(struct drm_plane *plane) |
919 | { | |
920 | int ret; | |
921 | ||
922 | if (!plane->fb) | |
923 | return; | |
924 | ||
925 | ret = plane->funcs->disable_plane(plane); | |
926 | if (ret) | |
927 | DRM_ERROR("failed to disable plane with busy fb\n"); | |
928 | /* disconnect the plane from the fb and crtc: */ | |
929 | __drm_framebuffer_unreference(plane->fb); | |
930 | plane->fb = NULL; | |
931 | plane->crtc = NULL; | |
932 | } | |
933 | EXPORT_SYMBOL(drm_plane_force_disable); | |
934 | ||
f453ba04 DA |
935 | /** |
936 | * drm_mode_create - create a new display mode | |
937 | * @dev: DRM device | |
938 | * | |
f453ba04 DA |
939 | * Create a new drm_display_mode, give it an ID, and return it. |
940 | * | |
941 | * RETURNS: | |
942 | * Pointer to new mode on success, NULL on error. | |
943 | */ | |
944 | struct drm_display_mode *drm_mode_create(struct drm_device *dev) | |
945 | { | |
946 | struct drm_display_mode *nmode; | |
947 | ||
948 | nmode = kzalloc(sizeof(struct drm_display_mode), GFP_KERNEL); | |
949 | if (!nmode) | |
950 | return NULL; | |
951 | ||
6bfc56aa VS |
952 | if (drm_mode_object_get(dev, &nmode->base, DRM_MODE_OBJECT_MODE)) { |
953 | kfree(nmode); | |
954 | return NULL; | |
955 | } | |
956 | ||
f453ba04 DA |
957 | return nmode; |
958 | } | |
959 | EXPORT_SYMBOL(drm_mode_create); | |
960 | ||
961 | /** | |
962 | * drm_mode_destroy - remove a mode | |
963 | * @dev: DRM device | |
964 | * @mode: mode to remove | |
965 | * | |
f453ba04 DA |
966 | * Free @mode's unique identifier, then free it. |
967 | */ | |
968 | void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode) | |
969 | { | |
ee34ab5b VS |
970 | if (!mode) |
971 | return; | |
972 | ||
f453ba04 DA |
973 | drm_mode_object_put(dev, &mode->base); |
974 | ||
975 | kfree(mode); | |
976 | } | |
977 | EXPORT_SYMBOL(drm_mode_destroy); | |
978 | ||
979 | static int drm_mode_create_standard_connector_properties(struct drm_device *dev) | |
980 | { | |
981 | struct drm_property *edid; | |
982 | struct drm_property *dpms; | |
f453ba04 DA |
983 | |
984 | /* | |
985 | * Standard properties (apply to all connectors) | |
986 | */ | |
987 | edid = drm_property_create(dev, DRM_MODE_PROP_BLOB | | |
988 | DRM_MODE_PROP_IMMUTABLE, | |
989 | "EDID", 0); | |
990 | dev->mode_config.edid_property = edid; | |
991 | ||
4a67d391 SH |
992 | dpms = drm_property_create_enum(dev, 0, |
993 | "DPMS", drm_dpms_enum_list, | |
994 | ARRAY_SIZE(drm_dpms_enum_list)); | |
f453ba04 DA |
995 | dev->mode_config.dpms_property = dpms; |
996 | ||
997 | return 0; | |
998 | } | |
999 | ||
1000 | /** | |
1001 | * drm_mode_create_dvi_i_properties - create DVI-I specific connector properties | |
1002 | * @dev: DRM device | |
1003 | * | |
1004 | * Called by a driver the first time a DVI-I connector is made. | |
1005 | */ | |
1006 | int drm_mode_create_dvi_i_properties(struct drm_device *dev) | |
1007 | { | |
1008 | struct drm_property *dvi_i_selector; | |
1009 | struct drm_property *dvi_i_subconnector; | |
f453ba04 DA |
1010 | |
1011 | if (dev->mode_config.dvi_i_select_subconnector_property) | |
1012 | return 0; | |
1013 | ||
1014 | dvi_i_selector = | |
4a67d391 | 1015 | drm_property_create_enum(dev, 0, |
f453ba04 | 1016 | "select subconnector", |
4a67d391 | 1017 | drm_dvi_i_select_enum_list, |
f453ba04 | 1018 | ARRAY_SIZE(drm_dvi_i_select_enum_list)); |
f453ba04 DA |
1019 | dev->mode_config.dvi_i_select_subconnector_property = dvi_i_selector; |
1020 | ||
4a67d391 | 1021 | dvi_i_subconnector = drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, |
f453ba04 | 1022 | "subconnector", |
4a67d391 | 1023 | drm_dvi_i_subconnector_enum_list, |
f453ba04 | 1024 | ARRAY_SIZE(drm_dvi_i_subconnector_enum_list)); |
f453ba04 DA |
1025 | dev->mode_config.dvi_i_subconnector_property = dvi_i_subconnector; |
1026 | ||
1027 | return 0; | |
1028 | } | |
1029 | EXPORT_SYMBOL(drm_mode_create_dvi_i_properties); | |
1030 | ||
1031 | /** | |
1032 | * drm_create_tv_properties - create TV specific connector properties | |
1033 | * @dev: DRM device | |
1034 | * @num_modes: number of different TV formats (modes) supported | |
1035 | * @modes: array of pointers to strings containing name of each format | |
1036 | * | |
1037 | * Called by a driver's TV initialization routine, this function creates | |
1038 | * the TV specific connector properties for a given device. Caller is | |
1039 | * responsible for allocating a list of format names and passing them to | |
1040 | * this routine. | |
1041 | */ | |
1042 | int drm_mode_create_tv_properties(struct drm_device *dev, int num_modes, | |
1043 | char *modes[]) | |
1044 | { | |
1045 | struct drm_property *tv_selector; | |
1046 | struct drm_property *tv_subconnector; | |
1047 | int i; | |
1048 | ||
1049 | if (dev->mode_config.tv_select_subconnector_property) | |
1050 | return 0; | |
1051 | ||
1052 | /* | |
1053 | * Basic connector properties | |
1054 | */ | |
4a67d391 | 1055 | tv_selector = drm_property_create_enum(dev, 0, |
f453ba04 | 1056 | "select subconnector", |
4a67d391 | 1057 | drm_tv_select_enum_list, |
f453ba04 | 1058 | ARRAY_SIZE(drm_tv_select_enum_list)); |
f453ba04 DA |
1059 | dev->mode_config.tv_select_subconnector_property = tv_selector; |
1060 | ||
1061 | tv_subconnector = | |
4a67d391 SH |
1062 | drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, |
1063 | "subconnector", | |
1064 | drm_tv_subconnector_enum_list, | |
f453ba04 | 1065 | ARRAY_SIZE(drm_tv_subconnector_enum_list)); |
f453ba04 DA |
1066 | dev->mode_config.tv_subconnector_property = tv_subconnector; |
1067 | ||
1068 | /* | |
1069 | * Other, TV specific properties: margins & TV modes. | |
1070 | */ | |
1071 | dev->mode_config.tv_left_margin_property = | |
d9bc3c02 | 1072 | drm_property_create_range(dev, 0, "left margin", 0, 100); |
f453ba04 DA |
1073 | |
1074 | dev->mode_config.tv_right_margin_property = | |
d9bc3c02 | 1075 | drm_property_create_range(dev, 0, "right margin", 0, 100); |
f453ba04 DA |
1076 | |
1077 | dev->mode_config.tv_top_margin_property = | |
d9bc3c02 | 1078 | drm_property_create_range(dev, 0, "top margin", 0, 100); |
f453ba04 DA |
1079 | |
1080 | dev->mode_config.tv_bottom_margin_property = | |
d9bc3c02 | 1081 | drm_property_create_range(dev, 0, "bottom margin", 0, 100); |
f453ba04 DA |
1082 | |
1083 | dev->mode_config.tv_mode_property = | |
1084 | drm_property_create(dev, DRM_MODE_PROP_ENUM, | |
1085 | "mode", num_modes); | |
1086 | for (i = 0; i < num_modes; i++) | |
1087 | drm_property_add_enum(dev->mode_config.tv_mode_property, i, | |
1088 | i, modes[i]); | |
1089 | ||
b6b7902e | 1090 | dev->mode_config.tv_brightness_property = |
d9bc3c02 | 1091 | drm_property_create_range(dev, 0, "brightness", 0, 100); |
b6b7902e FJ |
1092 | |
1093 | dev->mode_config.tv_contrast_property = | |
d9bc3c02 | 1094 | drm_property_create_range(dev, 0, "contrast", 0, 100); |
b6b7902e FJ |
1095 | |
1096 | dev->mode_config.tv_flicker_reduction_property = | |
d9bc3c02 | 1097 | drm_property_create_range(dev, 0, "flicker reduction", 0, 100); |
b6b7902e | 1098 | |
a75f0236 | 1099 | dev->mode_config.tv_overscan_property = |
d9bc3c02 | 1100 | drm_property_create_range(dev, 0, "overscan", 0, 100); |
a75f0236 FJ |
1101 | |
1102 | dev->mode_config.tv_saturation_property = | |
d9bc3c02 | 1103 | drm_property_create_range(dev, 0, "saturation", 0, 100); |
a75f0236 FJ |
1104 | |
1105 | dev->mode_config.tv_hue_property = | |
d9bc3c02 | 1106 | drm_property_create_range(dev, 0, "hue", 0, 100); |
a75f0236 | 1107 | |
f453ba04 DA |
1108 | return 0; |
1109 | } | |
1110 | EXPORT_SYMBOL(drm_mode_create_tv_properties); | |
1111 | ||
1112 | /** | |
1113 | * drm_mode_create_scaling_mode_property - create scaling mode property | |
1114 | * @dev: DRM device | |
1115 | * | |
1116 | * Called by a driver the first time it's needed, must be attached to desired | |
1117 | * connectors. | |
1118 | */ | |
1119 | int drm_mode_create_scaling_mode_property(struct drm_device *dev) | |
1120 | { | |
1121 | struct drm_property *scaling_mode; | |
f453ba04 DA |
1122 | |
1123 | if (dev->mode_config.scaling_mode_property) | |
1124 | return 0; | |
1125 | ||
1126 | scaling_mode = | |
4a67d391 SH |
1127 | drm_property_create_enum(dev, 0, "scaling mode", |
1128 | drm_scaling_mode_enum_list, | |
f453ba04 | 1129 | ARRAY_SIZE(drm_scaling_mode_enum_list)); |
f453ba04 DA |
1130 | |
1131 | dev->mode_config.scaling_mode_property = scaling_mode; | |
1132 | ||
1133 | return 0; | |
1134 | } | |
1135 | EXPORT_SYMBOL(drm_mode_create_scaling_mode_property); | |
1136 | ||
1137 | /** | |
1138 | * drm_mode_create_dithering_property - create dithering property | |
1139 | * @dev: DRM device | |
1140 | * | |
1141 | * Called by a driver the first time it's needed, must be attached to desired | |
1142 | * connectors. | |
1143 | */ | |
1144 | int drm_mode_create_dithering_property(struct drm_device *dev) | |
1145 | { | |
1146 | struct drm_property *dithering_mode; | |
f453ba04 DA |
1147 | |
1148 | if (dev->mode_config.dithering_mode_property) | |
1149 | return 0; | |
1150 | ||
1151 | dithering_mode = | |
4a67d391 SH |
1152 | drm_property_create_enum(dev, 0, "dithering", |
1153 | drm_dithering_mode_enum_list, | |
f453ba04 | 1154 | ARRAY_SIZE(drm_dithering_mode_enum_list)); |
f453ba04 DA |
1155 | dev->mode_config.dithering_mode_property = dithering_mode; |
1156 | ||
1157 | return 0; | |
1158 | } | |
1159 | EXPORT_SYMBOL(drm_mode_create_dithering_property); | |
1160 | ||
884840aa JB |
1161 | /** |
1162 | * drm_mode_create_dirty_property - create dirty property | |
1163 | * @dev: DRM device | |
1164 | * | |
1165 | * Called by a driver the first time it's needed, must be attached to desired | |
1166 | * connectors. | |
1167 | */ | |
1168 | int drm_mode_create_dirty_info_property(struct drm_device *dev) | |
1169 | { | |
1170 | struct drm_property *dirty_info; | |
884840aa JB |
1171 | |
1172 | if (dev->mode_config.dirty_info_property) | |
1173 | return 0; | |
1174 | ||
1175 | dirty_info = | |
4a67d391 | 1176 | drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, |
884840aa | 1177 | "dirty", |
4a67d391 | 1178 | drm_dirty_info_enum_list, |
884840aa | 1179 | ARRAY_SIZE(drm_dirty_info_enum_list)); |
884840aa JB |
1180 | dev->mode_config.dirty_info_property = dirty_info; |
1181 | ||
1182 | return 0; | |
1183 | } | |
1184 | EXPORT_SYMBOL(drm_mode_create_dirty_info_property); | |
1185 | ||
ea9cbb06 | 1186 | static int drm_mode_group_init(struct drm_device *dev, struct drm_mode_group *group) |
f453ba04 DA |
1187 | { |
1188 | uint32_t total_objects = 0; | |
1189 | ||
1190 | total_objects += dev->mode_config.num_crtc; | |
1191 | total_objects += dev->mode_config.num_connector; | |
1192 | total_objects += dev->mode_config.num_encoder; | |
1193 | ||
f453ba04 DA |
1194 | group->id_list = kzalloc(total_objects * sizeof(uint32_t), GFP_KERNEL); |
1195 | if (!group->id_list) | |
1196 | return -ENOMEM; | |
1197 | ||
1198 | group->num_crtcs = 0; | |
1199 | group->num_connectors = 0; | |
1200 | group->num_encoders = 0; | |
1201 | return 0; | |
1202 | } | |
1203 | ||
1204 | int drm_mode_group_init_legacy_group(struct drm_device *dev, | |
1205 | struct drm_mode_group *group) | |
1206 | { | |
1207 | struct drm_crtc *crtc; | |
1208 | struct drm_encoder *encoder; | |
1209 | struct drm_connector *connector; | |
1210 | int ret; | |
1211 | ||
1212 | if ((ret = drm_mode_group_init(dev, group))) | |
1213 | return ret; | |
1214 | ||
1215 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) | |
1216 | group->id_list[group->num_crtcs++] = crtc->base.id; | |
1217 | ||
1218 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) | |
1219 | group->id_list[group->num_crtcs + group->num_encoders++] = | |
1220 | encoder->base.id; | |
1221 | ||
1222 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) | |
1223 | group->id_list[group->num_crtcs + group->num_encoders + | |
1224 | group->num_connectors++] = connector->base.id; | |
1225 | ||
1226 | return 0; | |
1227 | } | |
9c1dfc55 | 1228 | EXPORT_SYMBOL(drm_mode_group_init_legacy_group); |
f453ba04 | 1229 | |
f453ba04 DA |
1230 | /** |
1231 | * drm_crtc_convert_to_umode - convert a drm_display_mode into a modeinfo | |
1232 | * @out: drm_mode_modeinfo struct to return to the user | |
1233 | * @in: drm_display_mode to use | |
1234 | * | |
f453ba04 DA |
1235 | * Convert a drm_display_mode into a drm_mode_modeinfo structure to return to |
1236 | * the user. | |
1237 | */ | |
93bbf6db VS |
1238 | static void drm_crtc_convert_to_umode(struct drm_mode_modeinfo *out, |
1239 | const struct drm_display_mode *in) | |
f453ba04 | 1240 | { |
e36fae38 VS |
1241 | WARN(in->hdisplay > USHRT_MAX || in->hsync_start > USHRT_MAX || |
1242 | in->hsync_end > USHRT_MAX || in->htotal > USHRT_MAX || | |
1243 | in->hskew > USHRT_MAX || in->vdisplay > USHRT_MAX || | |
1244 | in->vsync_start > USHRT_MAX || in->vsync_end > USHRT_MAX || | |
1245 | in->vtotal > USHRT_MAX || in->vscan > USHRT_MAX, | |
1246 | "timing values too large for mode info\n"); | |
1247 | ||
f453ba04 DA |
1248 | out->clock = in->clock; |
1249 | out->hdisplay = in->hdisplay; | |
1250 | out->hsync_start = in->hsync_start; | |
1251 | out->hsync_end = in->hsync_end; | |
1252 | out->htotal = in->htotal; | |
1253 | out->hskew = in->hskew; | |
1254 | out->vdisplay = in->vdisplay; | |
1255 | out->vsync_start = in->vsync_start; | |
1256 | out->vsync_end = in->vsync_end; | |
1257 | out->vtotal = in->vtotal; | |
1258 | out->vscan = in->vscan; | |
1259 | out->vrefresh = in->vrefresh; | |
1260 | out->flags = in->flags; | |
1261 | out->type = in->type; | |
1262 | strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN); | |
1263 | out->name[DRM_DISPLAY_MODE_LEN-1] = 0; | |
1264 | } | |
1265 | ||
1266 | /** | |
1267 | * drm_crtc_convert_to_umode - convert a modeinfo into a drm_display_mode | |
1268 | * @out: drm_display_mode to return to the user | |
1269 | * @in: drm_mode_modeinfo to use | |
1270 | * | |
f453ba04 DA |
1271 | * Convert a drm_mode_modeinfo into a drm_display_mode structure to return to |
1272 | * the caller. | |
90367bf6 VS |
1273 | * |
1274 | * RETURNS: | |
1275 | * Zero on success, errno on failure. | |
f453ba04 | 1276 | */ |
93bbf6db VS |
1277 | static int drm_crtc_convert_umode(struct drm_display_mode *out, |
1278 | const struct drm_mode_modeinfo *in) | |
f453ba04 | 1279 | { |
90367bf6 VS |
1280 | if (in->clock > INT_MAX || in->vrefresh > INT_MAX) |
1281 | return -ERANGE; | |
1282 | ||
f453ba04 DA |
1283 | out->clock = in->clock; |
1284 | out->hdisplay = in->hdisplay; | |
1285 | out->hsync_start = in->hsync_start; | |
1286 | out->hsync_end = in->hsync_end; | |
1287 | out->htotal = in->htotal; | |
1288 | out->hskew = in->hskew; | |
1289 | out->vdisplay = in->vdisplay; | |
1290 | out->vsync_start = in->vsync_start; | |
1291 | out->vsync_end = in->vsync_end; | |
1292 | out->vtotal = in->vtotal; | |
1293 | out->vscan = in->vscan; | |
1294 | out->vrefresh = in->vrefresh; | |
1295 | out->flags = in->flags; | |
1296 | out->type = in->type; | |
1297 | strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN); | |
1298 | out->name[DRM_DISPLAY_MODE_LEN-1] = 0; | |
90367bf6 VS |
1299 | |
1300 | return 0; | |
f453ba04 DA |
1301 | } |
1302 | ||
1303 | /** | |
1304 | * drm_mode_getresources - get graphics configuration | |
065a50ed DV |
1305 | * @dev: drm device for the ioctl |
1306 | * @data: data pointer for the ioctl | |
1307 | * @file_priv: drm file for the ioctl call | |
f453ba04 | 1308 | * |
f453ba04 DA |
1309 | * Construct a set of configuration description structures and return |
1310 | * them to the user, including CRTC, connector and framebuffer configuration. | |
1311 | * | |
1312 | * Called by the user via ioctl. | |
1313 | * | |
1314 | * RETURNS: | |
1315 | * Zero on success, errno on failure. | |
1316 | */ | |
1317 | int drm_mode_getresources(struct drm_device *dev, void *data, | |
1318 | struct drm_file *file_priv) | |
1319 | { | |
1320 | struct drm_mode_card_res *card_res = data; | |
1321 | struct list_head *lh; | |
1322 | struct drm_framebuffer *fb; | |
1323 | struct drm_connector *connector; | |
1324 | struct drm_crtc *crtc; | |
1325 | struct drm_encoder *encoder; | |
1326 | int ret = 0; | |
1327 | int connector_count = 0; | |
1328 | int crtc_count = 0; | |
1329 | int fb_count = 0; | |
1330 | int encoder_count = 0; | |
1331 | int copied = 0, i; | |
1332 | uint32_t __user *fb_id; | |
1333 | uint32_t __user *crtc_id; | |
1334 | uint32_t __user *connector_id; | |
1335 | uint32_t __user *encoder_id; | |
1336 | struct drm_mode_group *mode_group; | |
1337 | ||
fb3b06c8 DA |
1338 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1339 | return -EINVAL; | |
1340 | ||
f453ba04 | 1341 | |
4b096ac1 | 1342 | mutex_lock(&file_priv->fbs_lock); |
f453ba04 DA |
1343 | /* |
1344 | * For the non-control nodes we need to limit the list of resources | |
1345 | * by IDs in the group list for this node | |
1346 | */ | |
1347 | list_for_each(lh, &file_priv->fbs) | |
1348 | fb_count++; | |
1349 | ||
4b096ac1 DV |
1350 | /* handle this in 4 parts */ |
1351 | /* FBs */ | |
1352 | if (card_res->count_fbs >= fb_count) { | |
1353 | copied = 0; | |
1354 | fb_id = (uint32_t __user *)(unsigned long)card_res->fb_id_ptr; | |
1355 | list_for_each_entry(fb, &file_priv->fbs, filp_head) { | |
1356 | if (put_user(fb->base.id, fb_id + copied)) { | |
1357 | mutex_unlock(&file_priv->fbs_lock); | |
1358 | return -EFAULT; | |
1359 | } | |
1360 | copied++; | |
1361 | } | |
1362 | } | |
1363 | card_res->count_fbs = fb_count; | |
1364 | mutex_unlock(&file_priv->fbs_lock); | |
1365 | ||
1366 | drm_modeset_lock_all(dev); | |
f453ba04 DA |
1367 | mode_group = &file_priv->master->minor->mode_group; |
1368 | if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { | |
1369 | ||
1370 | list_for_each(lh, &dev->mode_config.crtc_list) | |
1371 | crtc_count++; | |
1372 | ||
1373 | list_for_each(lh, &dev->mode_config.connector_list) | |
1374 | connector_count++; | |
1375 | ||
1376 | list_for_each(lh, &dev->mode_config.encoder_list) | |
1377 | encoder_count++; | |
1378 | } else { | |
1379 | ||
1380 | crtc_count = mode_group->num_crtcs; | |
1381 | connector_count = mode_group->num_connectors; | |
1382 | encoder_count = mode_group->num_encoders; | |
1383 | } | |
1384 | ||
1385 | card_res->max_height = dev->mode_config.max_height; | |
1386 | card_res->min_height = dev->mode_config.min_height; | |
1387 | card_res->max_width = dev->mode_config.max_width; | |
1388 | card_res->min_width = dev->mode_config.min_width; | |
1389 | ||
f453ba04 DA |
1390 | /* CRTCs */ |
1391 | if (card_res->count_crtcs >= crtc_count) { | |
1392 | copied = 0; | |
1393 | crtc_id = (uint32_t __user *)(unsigned long)card_res->crtc_id_ptr; | |
1394 | if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { | |
1395 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, | |
1396 | head) { | |
9440106b | 1397 | DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id); |
f453ba04 DA |
1398 | if (put_user(crtc->base.id, crtc_id + copied)) { |
1399 | ret = -EFAULT; | |
1400 | goto out; | |
1401 | } | |
1402 | copied++; | |
1403 | } | |
1404 | } else { | |
1405 | for (i = 0; i < mode_group->num_crtcs; i++) { | |
1406 | if (put_user(mode_group->id_list[i], | |
1407 | crtc_id + copied)) { | |
1408 | ret = -EFAULT; | |
1409 | goto out; | |
1410 | } | |
1411 | copied++; | |
1412 | } | |
1413 | } | |
1414 | } | |
1415 | card_res->count_crtcs = crtc_count; | |
1416 | ||
1417 | /* Encoders */ | |
1418 | if (card_res->count_encoders >= encoder_count) { | |
1419 | copied = 0; | |
1420 | encoder_id = (uint32_t __user *)(unsigned long)card_res->encoder_id_ptr; | |
1421 | if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { | |
1422 | list_for_each_entry(encoder, | |
1423 | &dev->mode_config.encoder_list, | |
1424 | head) { | |
9440106b JG |
1425 | DRM_DEBUG_KMS("[ENCODER:%d:%s]\n", encoder->base.id, |
1426 | drm_get_encoder_name(encoder)); | |
f453ba04 DA |
1427 | if (put_user(encoder->base.id, encoder_id + |
1428 | copied)) { | |
1429 | ret = -EFAULT; | |
1430 | goto out; | |
1431 | } | |
1432 | copied++; | |
1433 | } | |
1434 | } else { | |
1435 | for (i = mode_group->num_crtcs; i < mode_group->num_crtcs + mode_group->num_encoders; i++) { | |
1436 | if (put_user(mode_group->id_list[i], | |
1437 | encoder_id + copied)) { | |
1438 | ret = -EFAULT; | |
1439 | goto out; | |
1440 | } | |
1441 | copied++; | |
1442 | } | |
1443 | ||
1444 | } | |
1445 | } | |
1446 | card_res->count_encoders = encoder_count; | |
1447 | ||
1448 | /* Connectors */ | |
1449 | if (card_res->count_connectors >= connector_count) { | |
1450 | copied = 0; | |
1451 | connector_id = (uint32_t __user *)(unsigned long)card_res->connector_id_ptr; | |
1452 | if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { | |
1453 | list_for_each_entry(connector, | |
1454 | &dev->mode_config.connector_list, | |
1455 | head) { | |
9440106b JG |
1456 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", |
1457 | connector->base.id, | |
1458 | drm_get_connector_name(connector)); | |
f453ba04 DA |
1459 | if (put_user(connector->base.id, |
1460 | connector_id + copied)) { | |
1461 | ret = -EFAULT; | |
1462 | goto out; | |
1463 | } | |
1464 | copied++; | |
1465 | } | |
1466 | } else { | |
1467 | int start = mode_group->num_crtcs + | |
1468 | mode_group->num_encoders; | |
1469 | for (i = start; i < start + mode_group->num_connectors; i++) { | |
1470 | if (put_user(mode_group->id_list[i], | |
1471 | connector_id + copied)) { | |
1472 | ret = -EFAULT; | |
1473 | goto out; | |
1474 | } | |
1475 | copied++; | |
1476 | } | |
1477 | } | |
1478 | } | |
1479 | card_res->count_connectors = connector_count; | |
1480 | ||
9440106b | 1481 | DRM_DEBUG_KMS("CRTC[%d] CONNECTORS[%d] ENCODERS[%d]\n", card_res->count_crtcs, |
f453ba04 DA |
1482 | card_res->count_connectors, card_res->count_encoders); |
1483 | ||
1484 | out: | |
84849903 | 1485 | drm_modeset_unlock_all(dev); |
f453ba04 DA |
1486 | return ret; |
1487 | } | |
1488 | ||
1489 | /** | |
1490 | * drm_mode_getcrtc - get CRTC configuration | |
065a50ed DV |
1491 | * @dev: drm device for the ioctl |
1492 | * @data: data pointer for the ioctl | |
1493 | * @file_priv: drm file for the ioctl call | |
f453ba04 | 1494 | * |
f453ba04 DA |
1495 | * Construct a CRTC configuration structure to return to the user. |
1496 | * | |
1497 | * Called by the user via ioctl. | |
1498 | * | |
1499 | * RETURNS: | |
1500 | * Zero on success, errno on failure. | |
1501 | */ | |
1502 | int drm_mode_getcrtc(struct drm_device *dev, | |
1503 | void *data, struct drm_file *file_priv) | |
1504 | { | |
1505 | struct drm_mode_crtc *crtc_resp = data; | |
1506 | struct drm_crtc *crtc; | |
1507 | struct drm_mode_object *obj; | |
1508 | int ret = 0; | |
1509 | ||
fb3b06c8 DA |
1510 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1511 | return -EINVAL; | |
1512 | ||
84849903 | 1513 | drm_modeset_lock_all(dev); |
f453ba04 DA |
1514 | |
1515 | obj = drm_mode_object_find(dev, crtc_resp->crtc_id, | |
1516 | DRM_MODE_OBJECT_CRTC); | |
1517 | if (!obj) { | |
1518 | ret = -EINVAL; | |
1519 | goto out; | |
1520 | } | |
1521 | crtc = obj_to_crtc(obj); | |
1522 | ||
1523 | crtc_resp->x = crtc->x; | |
1524 | crtc_resp->y = crtc->y; | |
1525 | crtc_resp->gamma_size = crtc->gamma_size; | |
1526 | if (crtc->fb) | |
1527 | crtc_resp->fb_id = crtc->fb->base.id; | |
1528 | else | |
1529 | crtc_resp->fb_id = 0; | |
1530 | ||
1531 | if (crtc->enabled) { | |
1532 | ||
1533 | drm_crtc_convert_to_umode(&crtc_resp->mode, &crtc->mode); | |
1534 | crtc_resp->mode_valid = 1; | |
1535 | ||
1536 | } else { | |
1537 | crtc_resp->mode_valid = 0; | |
1538 | } | |
1539 | ||
1540 | out: | |
84849903 | 1541 | drm_modeset_unlock_all(dev); |
f453ba04 DA |
1542 | return ret; |
1543 | } | |
1544 | ||
1545 | /** | |
1546 | * drm_mode_getconnector - get connector configuration | |
065a50ed DV |
1547 | * @dev: drm device for the ioctl |
1548 | * @data: data pointer for the ioctl | |
1549 | * @file_priv: drm file for the ioctl call | |
f453ba04 | 1550 | * |
f453ba04 DA |
1551 | * Construct a connector configuration structure to return to the user. |
1552 | * | |
1553 | * Called by the user via ioctl. | |
1554 | * | |
1555 | * RETURNS: | |
1556 | * Zero on success, errno on failure. | |
1557 | */ | |
1558 | int drm_mode_getconnector(struct drm_device *dev, void *data, | |
1559 | struct drm_file *file_priv) | |
1560 | { | |
1561 | struct drm_mode_get_connector *out_resp = data; | |
1562 | struct drm_mode_object *obj; | |
1563 | struct drm_connector *connector; | |
1564 | struct drm_display_mode *mode; | |
1565 | int mode_count = 0; | |
1566 | int props_count = 0; | |
1567 | int encoders_count = 0; | |
1568 | int ret = 0; | |
1569 | int copied = 0; | |
1570 | int i; | |
1571 | struct drm_mode_modeinfo u_mode; | |
1572 | struct drm_mode_modeinfo __user *mode_ptr; | |
1573 | uint32_t __user *prop_ptr; | |
1574 | uint64_t __user *prop_values; | |
1575 | uint32_t __user *encoder_ptr; | |
1576 | ||
fb3b06c8 DA |
1577 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1578 | return -EINVAL; | |
1579 | ||
f453ba04 DA |
1580 | memset(&u_mode, 0, sizeof(struct drm_mode_modeinfo)); |
1581 | ||
9440106b | 1582 | DRM_DEBUG_KMS("[CONNECTOR:%d:?]\n", out_resp->connector_id); |
f453ba04 | 1583 | |
7b24056b | 1584 | mutex_lock(&dev->mode_config.mutex); |
f453ba04 DA |
1585 | |
1586 | obj = drm_mode_object_find(dev, out_resp->connector_id, | |
1587 | DRM_MODE_OBJECT_CONNECTOR); | |
1588 | if (!obj) { | |
1589 | ret = -EINVAL; | |
1590 | goto out; | |
1591 | } | |
1592 | connector = obj_to_connector(obj); | |
1593 | ||
7f88a9be | 1594 | props_count = connector->properties.count; |
f453ba04 DA |
1595 | |
1596 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { | |
1597 | if (connector->encoder_ids[i] != 0) { | |
1598 | encoders_count++; | |
1599 | } | |
1600 | } | |
1601 | ||
1602 | if (out_resp->count_modes == 0) { | |
1603 | connector->funcs->fill_modes(connector, | |
1604 | dev->mode_config.max_width, | |
1605 | dev->mode_config.max_height); | |
1606 | } | |
1607 | ||
1608 | /* delayed so we get modes regardless of pre-fill_modes state */ | |
1609 | list_for_each_entry(mode, &connector->modes, head) | |
1610 | mode_count++; | |
1611 | ||
1612 | out_resp->connector_id = connector->base.id; | |
1613 | out_resp->connector_type = connector->connector_type; | |
1614 | out_resp->connector_type_id = connector->connector_type_id; | |
1615 | out_resp->mm_width = connector->display_info.width_mm; | |
1616 | out_resp->mm_height = connector->display_info.height_mm; | |
1617 | out_resp->subpixel = connector->display_info.subpixel_order; | |
1618 | out_resp->connection = connector->status; | |
1619 | if (connector->encoder) | |
1620 | out_resp->encoder_id = connector->encoder->base.id; | |
1621 | else | |
1622 | out_resp->encoder_id = 0; | |
1623 | ||
1624 | /* | |
1625 | * This ioctl is called twice, once to determine how much space is | |
1626 | * needed, and the 2nd time to fill it. | |
1627 | */ | |
1628 | if ((out_resp->count_modes >= mode_count) && mode_count) { | |
1629 | copied = 0; | |
81f6c7f8 | 1630 | mode_ptr = (struct drm_mode_modeinfo __user *)(unsigned long)out_resp->modes_ptr; |
f453ba04 DA |
1631 | list_for_each_entry(mode, &connector->modes, head) { |
1632 | drm_crtc_convert_to_umode(&u_mode, mode); | |
1633 | if (copy_to_user(mode_ptr + copied, | |
1634 | &u_mode, sizeof(u_mode))) { | |
1635 | ret = -EFAULT; | |
1636 | goto out; | |
1637 | } | |
1638 | copied++; | |
1639 | } | |
1640 | } | |
1641 | out_resp->count_modes = mode_count; | |
1642 | ||
1643 | if ((out_resp->count_props >= props_count) && props_count) { | |
1644 | copied = 0; | |
81f6c7f8 VS |
1645 | prop_ptr = (uint32_t __user *)(unsigned long)(out_resp->props_ptr); |
1646 | prop_values = (uint64_t __user *)(unsigned long)(out_resp->prop_values_ptr); | |
7f88a9be PZ |
1647 | for (i = 0; i < connector->properties.count; i++) { |
1648 | if (put_user(connector->properties.ids[i], | |
1649 | prop_ptr + copied)) { | |
1650 | ret = -EFAULT; | |
1651 | goto out; | |
1652 | } | |
f453ba04 | 1653 | |
7f88a9be PZ |
1654 | if (put_user(connector->properties.values[i], |
1655 | prop_values + copied)) { | |
1656 | ret = -EFAULT; | |
1657 | goto out; | |
f453ba04 | 1658 | } |
7f88a9be | 1659 | copied++; |
f453ba04 DA |
1660 | } |
1661 | } | |
1662 | out_resp->count_props = props_count; | |
1663 | ||
1664 | if ((out_resp->count_encoders >= encoders_count) && encoders_count) { | |
1665 | copied = 0; | |
81f6c7f8 | 1666 | encoder_ptr = (uint32_t __user *)(unsigned long)(out_resp->encoders_ptr); |
f453ba04 DA |
1667 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { |
1668 | if (connector->encoder_ids[i] != 0) { | |
1669 | if (put_user(connector->encoder_ids[i], | |
1670 | encoder_ptr + copied)) { | |
1671 | ret = -EFAULT; | |
1672 | goto out; | |
1673 | } | |
1674 | copied++; | |
1675 | } | |
1676 | } | |
1677 | } | |
1678 | out_resp->count_encoders = encoders_count; | |
1679 | ||
1680 | out: | |
7b24056b DV |
1681 | mutex_unlock(&dev->mode_config.mutex); |
1682 | ||
f453ba04 DA |
1683 | return ret; |
1684 | } | |
1685 | ||
1686 | int drm_mode_getencoder(struct drm_device *dev, void *data, | |
1687 | struct drm_file *file_priv) | |
1688 | { | |
1689 | struct drm_mode_get_encoder *enc_resp = data; | |
1690 | struct drm_mode_object *obj; | |
1691 | struct drm_encoder *encoder; | |
1692 | int ret = 0; | |
1693 | ||
fb3b06c8 DA |
1694 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1695 | return -EINVAL; | |
1696 | ||
84849903 | 1697 | drm_modeset_lock_all(dev); |
f453ba04 DA |
1698 | obj = drm_mode_object_find(dev, enc_resp->encoder_id, |
1699 | DRM_MODE_OBJECT_ENCODER); | |
1700 | if (!obj) { | |
1701 | ret = -EINVAL; | |
1702 | goto out; | |
1703 | } | |
1704 | encoder = obj_to_encoder(obj); | |
1705 | ||
1706 | if (encoder->crtc) | |
1707 | enc_resp->crtc_id = encoder->crtc->base.id; | |
1708 | else | |
1709 | enc_resp->crtc_id = 0; | |
1710 | enc_resp->encoder_type = encoder->encoder_type; | |
1711 | enc_resp->encoder_id = encoder->base.id; | |
1712 | enc_resp->possible_crtcs = encoder->possible_crtcs; | |
1713 | enc_resp->possible_clones = encoder->possible_clones; | |
1714 | ||
1715 | out: | |
84849903 | 1716 | drm_modeset_unlock_all(dev); |
f453ba04 DA |
1717 | return ret; |
1718 | } | |
1719 | ||
8cf5c917 JB |
1720 | /** |
1721 | * drm_mode_getplane_res - get plane info | |
1722 | * @dev: DRM device | |
1723 | * @data: ioctl data | |
1724 | * @file_priv: DRM file info | |
1725 | * | |
1726 | * Return an plane count and set of IDs. | |
1727 | */ | |
1728 | int drm_mode_getplane_res(struct drm_device *dev, void *data, | |
1729 | struct drm_file *file_priv) | |
1730 | { | |
1731 | struct drm_mode_get_plane_res *plane_resp = data; | |
1732 | struct drm_mode_config *config; | |
1733 | struct drm_plane *plane; | |
1734 | uint32_t __user *plane_ptr; | |
1735 | int copied = 0, ret = 0; | |
1736 | ||
1737 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) | |
1738 | return -EINVAL; | |
1739 | ||
84849903 | 1740 | drm_modeset_lock_all(dev); |
8cf5c917 JB |
1741 | config = &dev->mode_config; |
1742 | ||
1743 | /* | |
1744 | * This ioctl is called twice, once to determine how much space is | |
1745 | * needed, and the 2nd time to fill it. | |
1746 | */ | |
1747 | if (config->num_plane && | |
1748 | (plane_resp->count_planes >= config->num_plane)) { | |
81f6c7f8 | 1749 | plane_ptr = (uint32_t __user *)(unsigned long)plane_resp->plane_id_ptr; |
8cf5c917 JB |
1750 | |
1751 | list_for_each_entry(plane, &config->plane_list, head) { | |
1752 | if (put_user(plane->base.id, plane_ptr + copied)) { | |
1753 | ret = -EFAULT; | |
1754 | goto out; | |
1755 | } | |
1756 | copied++; | |
1757 | } | |
1758 | } | |
1759 | plane_resp->count_planes = config->num_plane; | |
1760 | ||
1761 | out: | |
84849903 | 1762 | drm_modeset_unlock_all(dev); |
8cf5c917 JB |
1763 | return ret; |
1764 | } | |
1765 | ||
1766 | /** | |
1767 | * drm_mode_getplane - get plane info | |
1768 | * @dev: DRM device | |
1769 | * @data: ioctl data | |
1770 | * @file_priv: DRM file info | |
1771 | * | |
1772 | * Return plane info, including formats supported, gamma size, any | |
1773 | * current fb, etc. | |
1774 | */ | |
1775 | int drm_mode_getplane(struct drm_device *dev, void *data, | |
1776 | struct drm_file *file_priv) | |
1777 | { | |
1778 | struct drm_mode_get_plane *plane_resp = data; | |
1779 | struct drm_mode_object *obj; | |
1780 | struct drm_plane *plane; | |
1781 | uint32_t __user *format_ptr; | |
1782 | int ret = 0; | |
1783 | ||
1784 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) | |
1785 | return -EINVAL; | |
1786 | ||
84849903 | 1787 | drm_modeset_lock_all(dev); |
8cf5c917 JB |
1788 | obj = drm_mode_object_find(dev, plane_resp->plane_id, |
1789 | DRM_MODE_OBJECT_PLANE); | |
1790 | if (!obj) { | |
1791 | ret = -ENOENT; | |
1792 | goto out; | |
1793 | } | |
1794 | plane = obj_to_plane(obj); | |
1795 | ||
1796 | if (plane->crtc) | |
1797 | plane_resp->crtc_id = plane->crtc->base.id; | |
1798 | else | |
1799 | plane_resp->crtc_id = 0; | |
1800 | ||
1801 | if (plane->fb) | |
1802 | plane_resp->fb_id = plane->fb->base.id; | |
1803 | else | |
1804 | plane_resp->fb_id = 0; | |
1805 | ||
1806 | plane_resp->plane_id = plane->base.id; | |
1807 | plane_resp->possible_crtcs = plane->possible_crtcs; | |
778ad903 | 1808 | plane_resp->gamma_size = 0; |
8cf5c917 JB |
1809 | |
1810 | /* | |
1811 | * This ioctl is called twice, once to determine how much space is | |
1812 | * needed, and the 2nd time to fill it. | |
1813 | */ | |
1814 | if (plane->format_count && | |
1815 | (plane_resp->count_format_types >= plane->format_count)) { | |
81f6c7f8 | 1816 | format_ptr = (uint32_t __user *)(unsigned long)plane_resp->format_type_ptr; |
8cf5c917 JB |
1817 | if (copy_to_user(format_ptr, |
1818 | plane->format_types, | |
1819 | sizeof(uint32_t) * plane->format_count)) { | |
1820 | ret = -EFAULT; | |
1821 | goto out; | |
1822 | } | |
1823 | } | |
1824 | plane_resp->count_format_types = plane->format_count; | |
1825 | ||
1826 | out: | |
84849903 | 1827 | drm_modeset_unlock_all(dev); |
8cf5c917 JB |
1828 | return ret; |
1829 | } | |
1830 | ||
1831 | /** | |
1832 | * drm_mode_setplane - set up or tear down an plane | |
1833 | * @dev: DRM device | |
1834 | * @data: ioctl data* | |
065a50ed | 1835 | * @file_priv: DRM file info |
8cf5c917 JB |
1836 | * |
1837 | * Set plane info, including placement, fb, scaling, and other factors. | |
1838 | * Or pass a NULL fb to disable. | |
1839 | */ | |
1840 | int drm_mode_setplane(struct drm_device *dev, void *data, | |
1841 | struct drm_file *file_priv) | |
1842 | { | |
1843 | struct drm_mode_set_plane *plane_req = data; | |
1844 | struct drm_mode_object *obj; | |
1845 | struct drm_plane *plane; | |
1846 | struct drm_crtc *crtc; | |
6c2a7532 | 1847 | struct drm_framebuffer *fb = NULL, *old_fb = NULL; |
8cf5c917 | 1848 | int ret = 0; |
42ef8789 | 1849 | unsigned int fb_width, fb_height; |
62443be6 | 1850 | int i; |
8cf5c917 JB |
1851 | |
1852 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) | |
1853 | return -EINVAL; | |
1854 | ||
8cf5c917 JB |
1855 | /* |
1856 | * First, find the plane, crtc, and fb objects. If not available, | |
1857 | * we don't bother to call the driver. | |
1858 | */ | |
1859 | obj = drm_mode_object_find(dev, plane_req->plane_id, | |
1860 | DRM_MODE_OBJECT_PLANE); | |
1861 | if (!obj) { | |
1862 | DRM_DEBUG_KMS("Unknown plane ID %d\n", | |
1863 | plane_req->plane_id); | |
6c2a7532 | 1864 | return -ENOENT; |
8cf5c917 JB |
1865 | } |
1866 | plane = obj_to_plane(obj); | |
1867 | ||
1868 | /* No fb means shut it down */ | |
1869 | if (!plane_req->fb_id) { | |
6c2a7532 DV |
1870 | drm_modeset_lock_all(dev); |
1871 | old_fb = plane->fb; | |
8cf5c917 | 1872 | plane->funcs->disable_plane(plane); |
e5e3b44c VS |
1873 | plane->crtc = NULL; |
1874 | plane->fb = NULL; | |
6c2a7532 | 1875 | drm_modeset_unlock_all(dev); |
8cf5c917 JB |
1876 | goto out; |
1877 | } | |
1878 | ||
1879 | obj = drm_mode_object_find(dev, plane_req->crtc_id, | |
1880 | DRM_MODE_OBJECT_CRTC); | |
1881 | if (!obj) { | |
1882 | DRM_DEBUG_KMS("Unknown crtc ID %d\n", | |
1883 | plane_req->crtc_id); | |
1884 | ret = -ENOENT; | |
1885 | goto out; | |
1886 | } | |
1887 | crtc = obj_to_crtc(obj); | |
1888 | ||
786b99ed DV |
1889 | fb = drm_framebuffer_lookup(dev, plane_req->fb_id); |
1890 | if (!fb) { | |
8cf5c917 JB |
1891 | DRM_DEBUG_KMS("Unknown framebuffer ID %d\n", |
1892 | plane_req->fb_id); | |
1893 | ret = -ENOENT; | |
1894 | goto out; | |
1895 | } | |
8cf5c917 | 1896 | |
62443be6 VS |
1897 | /* Check whether this plane supports the fb pixel format. */ |
1898 | for (i = 0; i < plane->format_count; i++) | |
1899 | if (fb->pixel_format == plane->format_types[i]) | |
1900 | break; | |
1901 | if (i == plane->format_count) { | |
6ba6d03e VS |
1902 | DRM_DEBUG_KMS("Invalid pixel format %s\n", |
1903 | drm_get_format_name(fb->pixel_format)); | |
62443be6 VS |
1904 | ret = -EINVAL; |
1905 | goto out; | |
1906 | } | |
1907 | ||
42ef8789 VS |
1908 | fb_width = fb->width << 16; |
1909 | fb_height = fb->height << 16; | |
1910 | ||
1911 | /* Make sure source coordinates are inside the fb. */ | |
1912 | if (plane_req->src_w > fb_width || | |
1913 | plane_req->src_x > fb_width - plane_req->src_w || | |
1914 | plane_req->src_h > fb_height || | |
1915 | plane_req->src_y > fb_height - plane_req->src_h) { | |
1916 | DRM_DEBUG_KMS("Invalid source coordinates " | |
1917 | "%u.%06ux%u.%06u+%u.%06u+%u.%06u\n", | |
1918 | plane_req->src_w >> 16, | |
1919 | ((plane_req->src_w & 0xffff) * 15625) >> 10, | |
1920 | plane_req->src_h >> 16, | |
1921 | ((plane_req->src_h & 0xffff) * 15625) >> 10, | |
1922 | plane_req->src_x >> 16, | |
1923 | ((plane_req->src_x & 0xffff) * 15625) >> 10, | |
1924 | plane_req->src_y >> 16, | |
1925 | ((plane_req->src_y & 0xffff) * 15625) >> 10); | |
1926 | ret = -ENOSPC; | |
1927 | goto out; | |
1928 | } | |
1929 | ||
687a0400 VS |
1930 | /* Give drivers some help against integer overflows */ |
1931 | if (plane_req->crtc_w > INT_MAX || | |
1932 | plane_req->crtc_x > INT_MAX - (int32_t) plane_req->crtc_w || | |
1933 | plane_req->crtc_h > INT_MAX || | |
1934 | plane_req->crtc_y > INT_MAX - (int32_t) plane_req->crtc_h) { | |
1935 | DRM_DEBUG_KMS("Invalid CRTC coordinates %ux%u+%d+%d\n", | |
1936 | plane_req->crtc_w, plane_req->crtc_h, | |
1937 | plane_req->crtc_x, plane_req->crtc_y); | |
1938 | ret = -ERANGE; | |
1939 | goto out; | |
1940 | } | |
1941 | ||
6c2a7532 | 1942 | drm_modeset_lock_all(dev); |
8cf5c917 JB |
1943 | ret = plane->funcs->update_plane(plane, crtc, fb, |
1944 | plane_req->crtc_x, plane_req->crtc_y, | |
1945 | plane_req->crtc_w, plane_req->crtc_h, | |
1946 | plane_req->src_x, plane_req->src_y, | |
1947 | plane_req->src_w, plane_req->src_h); | |
1948 | if (!ret) { | |
6c2a7532 | 1949 | old_fb = plane->fb; |
8cf5c917 JB |
1950 | plane->crtc = crtc; |
1951 | plane->fb = fb; | |
35f8badc | 1952 | fb = NULL; |
8cf5c917 | 1953 | } |
6c2a7532 | 1954 | drm_modeset_unlock_all(dev); |
8cf5c917 JB |
1955 | |
1956 | out: | |
6c2a7532 DV |
1957 | if (fb) |
1958 | drm_framebuffer_unreference(fb); | |
1959 | if (old_fb) | |
1960 | drm_framebuffer_unreference(old_fb); | |
8cf5c917 JB |
1961 | |
1962 | return ret; | |
1963 | } | |
1964 | ||
2d13b679 DV |
1965 | /** |
1966 | * drm_mode_set_config_internal - helper to call ->set_config | |
1967 | * @set: modeset config to set | |
1968 | * | |
1969 | * This is a little helper to wrap internal calls to the ->set_config driver | |
1970 | * interface. The only thing it adds is correct refcounting dance. | |
1971 | */ | |
1972 | int drm_mode_set_config_internal(struct drm_mode_set *set) | |
1973 | { | |
1974 | struct drm_crtc *crtc = set->crtc; | |
5cef29aa DV |
1975 | struct drm_framebuffer *fb; |
1976 | struct drm_crtc *tmp; | |
b0d12325 DV |
1977 | int ret; |
1978 | ||
5cef29aa DV |
1979 | /* |
1980 | * NOTE: ->set_config can also disable other crtcs (if we steal all | |
1981 | * connectors from it), hence we need to refcount the fbs across all | |
1982 | * crtcs. Atomic modeset will have saner semantics ... | |
1983 | */ | |
1984 | list_for_each_entry(tmp, &crtc->dev->mode_config.crtc_list, head) | |
1985 | tmp->old_fb = tmp->fb; | |
1986 | ||
b0d12325 | 1987 | fb = set->fb; |
2d13b679 | 1988 | |
b0d12325 DV |
1989 | ret = crtc->funcs->set_config(set); |
1990 | if (ret == 0) { | |
cc85e121 DV |
1991 | /* crtc->fb must be updated by ->set_config, enforces this. */ |
1992 | WARN_ON(fb != crtc->fb); | |
5cef29aa | 1993 | } |
cc85e121 | 1994 | |
5cef29aa DV |
1995 | list_for_each_entry(tmp, &crtc->dev->mode_config.crtc_list, head) { |
1996 | if (tmp->fb) | |
1997 | drm_framebuffer_reference(tmp->fb); | |
1998 | if (tmp->old_fb) | |
1999 | drm_framebuffer_unreference(tmp->old_fb); | |
b0d12325 DV |
2000 | } |
2001 | ||
2002 | return ret; | |
2d13b679 DV |
2003 | } |
2004 | EXPORT_SYMBOL(drm_mode_set_config_internal); | |
2005 | ||
f453ba04 DA |
2006 | /** |
2007 | * drm_mode_setcrtc - set CRTC configuration | |
065a50ed DV |
2008 | * @dev: drm device for the ioctl |
2009 | * @data: data pointer for the ioctl | |
2010 | * @file_priv: drm file for the ioctl call | |
f453ba04 | 2011 | * |
f453ba04 DA |
2012 | * Build a new CRTC configuration based on user request. |
2013 | * | |
2014 | * Called by the user via ioctl. | |
2015 | * | |
2016 | * RETURNS: | |
2017 | * Zero on success, errno on failure. | |
2018 | */ | |
2019 | int drm_mode_setcrtc(struct drm_device *dev, void *data, | |
2020 | struct drm_file *file_priv) | |
2021 | { | |
2022 | struct drm_mode_config *config = &dev->mode_config; | |
2023 | struct drm_mode_crtc *crtc_req = data; | |
2024 | struct drm_mode_object *obj; | |
6653cc8d | 2025 | struct drm_crtc *crtc; |
f453ba04 DA |
2026 | struct drm_connector **connector_set = NULL, *connector; |
2027 | struct drm_framebuffer *fb = NULL; | |
2028 | struct drm_display_mode *mode = NULL; | |
2029 | struct drm_mode_set set; | |
2030 | uint32_t __user *set_connectors_ptr; | |
4a1b0714 | 2031 | int ret; |
f453ba04 DA |
2032 | int i; |
2033 | ||
fb3b06c8 DA |
2034 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2035 | return -EINVAL; | |
2036 | ||
1d97e915 VS |
2037 | /* For some reason crtc x/y offsets are signed internally. */ |
2038 | if (crtc_req->x > INT_MAX || crtc_req->y > INT_MAX) | |
2039 | return -ERANGE; | |
2040 | ||
84849903 | 2041 | drm_modeset_lock_all(dev); |
f453ba04 DA |
2042 | obj = drm_mode_object_find(dev, crtc_req->crtc_id, |
2043 | DRM_MODE_OBJECT_CRTC); | |
2044 | if (!obj) { | |
58367ed6 | 2045 | DRM_DEBUG_KMS("Unknown CRTC ID %d\n", crtc_req->crtc_id); |
f453ba04 DA |
2046 | ret = -EINVAL; |
2047 | goto out; | |
2048 | } | |
2049 | crtc = obj_to_crtc(obj); | |
9440106b | 2050 | DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id); |
f453ba04 DA |
2051 | |
2052 | if (crtc_req->mode_valid) { | |
7c80e128 | 2053 | int hdisplay, vdisplay; |
f453ba04 DA |
2054 | /* If we have a mode we need a framebuffer. */ |
2055 | /* If we pass -1, set the mode with the currently bound fb */ | |
2056 | if (crtc_req->fb_id == -1) { | |
6653cc8d VS |
2057 | if (!crtc->fb) { |
2058 | DRM_DEBUG_KMS("CRTC doesn't have current FB\n"); | |
2059 | ret = -EINVAL; | |
2060 | goto out; | |
f453ba04 | 2061 | } |
6653cc8d | 2062 | fb = crtc->fb; |
b0d12325 DV |
2063 | /* Make refcounting symmetric with the lookup path. */ |
2064 | drm_framebuffer_reference(fb); | |
f453ba04 | 2065 | } else { |
786b99ed DV |
2066 | fb = drm_framebuffer_lookup(dev, crtc_req->fb_id); |
2067 | if (!fb) { | |
58367ed6 ZY |
2068 | DRM_DEBUG_KMS("Unknown FB ID%d\n", |
2069 | crtc_req->fb_id); | |
f453ba04 DA |
2070 | ret = -EINVAL; |
2071 | goto out; | |
2072 | } | |
f453ba04 DA |
2073 | } |
2074 | ||
2075 | mode = drm_mode_create(dev); | |
ee34ab5b VS |
2076 | if (!mode) { |
2077 | ret = -ENOMEM; | |
2078 | goto out; | |
2079 | } | |
2080 | ||
90367bf6 VS |
2081 | ret = drm_crtc_convert_umode(mode, &crtc_req->mode); |
2082 | if (ret) { | |
2083 | DRM_DEBUG_KMS("Invalid mode\n"); | |
2084 | goto out; | |
2085 | } | |
2086 | ||
f453ba04 | 2087 | drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V); |
5f61bb42 | 2088 | |
7c80e128 RC |
2089 | hdisplay = mode->hdisplay; |
2090 | vdisplay = mode->vdisplay; | |
2091 | ||
2092 | if (crtc->invert_dimensions) | |
2093 | swap(hdisplay, vdisplay); | |
2094 | ||
2095 | if (hdisplay > fb->width || | |
2096 | vdisplay > fb->height || | |
2097 | crtc_req->x > fb->width - hdisplay || | |
2098 | crtc_req->y > fb->height - vdisplay) { | |
2099 | DRM_DEBUG_KMS("Invalid fb size %ux%u for CRTC viewport %ux%u+%d+%d%s.\n", | |
2100 | fb->width, fb->height, | |
2101 | hdisplay, vdisplay, crtc_req->x, crtc_req->y, | |
2102 | crtc->invert_dimensions ? " (inverted)" : ""); | |
5f61bb42 VS |
2103 | ret = -ENOSPC; |
2104 | goto out; | |
2105 | } | |
f453ba04 DA |
2106 | } |
2107 | ||
2108 | if (crtc_req->count_connectors == 0 && mode) { | |
58367ed6 | 2109 | DRM_DEBUG_KMS("Count connectors is 0 but mode set\n"); |
f453ba04 DA |
2110 | ret = -EINVAL; |
2111 | goto out; | |
2112 | } | |
2113 | ||
7781de74 | 2114 | if (crtc_req->count_connectors > 0 && (!mode || !fb)) { |
58367ed6 | 2115 | DRM_DEBUG_KMS("Count connectors is %d but no mode or fb set\n", |
f453ba04 DA |
2116 | crtc_req->count_connectors); |
2117 | ret = -EINVAL; | |
2118 | goto out; | |
2119 | } | |
2120 | ||
2121 | if (crtc_req->count_connectors > 0) { | |
2122 | u32 out_id; | |
2123 | ||
2124 | /* Avoid unbounded kernel memory allocation */ | |
2125 | if (crtc_req->count_connectors > config->num_connector) { | |
2126 | ret = -EINVAL; | |
2127 | goto out; | |
2128 | } | |
2129 | ||
2130 | connector_set = kmalloc(crtc_req->count_connectors * | |
2131 | sizeof(struct drm_connector *), | |
2132 | GFP_KERNEL); | |
2133 | if (!connector_set) { | |
2134 | ret = -ENOMEM; | |
2135 | goto out; | |
2136 | } | |
2137 | ||
2138 | for (i = 0; i < crtc_req->count_connectors; i++) { | |
81f6c7f8 | 2139 | set_connectors_ptr = (uint32_t __user *)(unsigned long)crtc_req->set_connectors_ptr; |
f453ba04 DA |
2140 | if (get_user(out_id, &set_connectors_ptr[i])) { |
2141 | ret = -EFAULT; | |
2142 | goto out; | |
2143 | } | |
2144 | ||
2145 | obj = drm_mode_object_find(dev, out_id, | |
2146 | DRM_MODE_OBJECT_CONNECTOR); | |
2147 | if (!obj) { | |
58367ed6 ZY |
2148 | DRM_DEBUG_KMS("Connector id %d unknown\n", |
2149 | out_id); | |
f453ba04 DA |
2150 | ret = -EINVAL; |
2151 | goto out; | |
2152 | } | |
2153 | connector = obj_to_connector(obj); | |
9440106b JG |
2154 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", |
2155 | connector->base.id, | |
2156 | drm_get_connector_name(connector)); | |
f453ba04 DA |
2157 | |
2158 | connector_set[i] = connector; | |
2159 | } | |
2160 | } | |
2161 | ||
2162 | set.crtc = crtc; | |
2163 | set.x = crtc_req->x; | |
2164 | set.y = crtc_req->y; | |
2165 | set.mode = mode; | |
2166 | set.connectors = connector_set; | |
2167 | set.num_connectors = crtc_req->count_connectors; | |
5ef5f72f | 2168 | set.fb = fb; |
2d13b679 | 2169 | ret = drm_mode_set_config_internal(&set); |
f453ba04 DA |
2170 | |
2171 | out: | |
b0d12325 DV |
2172 | if (fb) |
2173 | drm_framebuffer_unreference(fb); | |
2174 | ||
f453ba04 | 2175 | kfree(connector_set); |
ee34ab5b | 2176 | drm_mode_destroy(dev, mode); |
84849903 | 2177 | drm_modeset_unlock_all(dev); |
f453ba04 DA |
2178 | return ret; |
2179 | } | |
2180 | ||
4c813d4d DA |
2181 | static int drm_mode_cursor_common(struct drm_device *dev, |
2182 | struct drm_mode_cursor2 *req, | |
2183 | struct drm_file *file_priv) | |
f453ba04 | 2184 | { |
f453ba04 DA |
2185 | struct drm_mode_object *obj; |
2186 | struct drm_crtc *crtc; | |
2187 | int ret = 0; | |
2188 | ||
fb3b06c8 DA |
2189 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2190 | return -EINVAL; | |
2191 | ||
7c4eaca4 | 2192 | if (!req->flags || (~DRM_MODE_CURSOR_FLAGS & req->flags)) |
f453ba04 | 2193 | return -EINVAL; |
f453ba04 | 2194 | |
e0c8463a | 2195 | obj = drm_mode_object_find(dev, req->crtc_id, DRM_MODE_OBJECT_CRTC); |
f453ba04 | 2196 | if (!obj) { |
58367ed6 | 2197 | DRM_DEBUG_KMS("Unknown CRTC ID %d\n", req->crtc_id); |
dac35663 | 2198 | return -EINVAL; |
f453ba04 DA |
2199 | } |
2200 | crtc = obj_to_crtc(obj); | |
2201 | ||
dac35663 | 2202 | mutex_lock(&crtc->mutex); |
f453ba04 | 2203 | if (req->flags & DRM_MODE_CURSOR_BO) { |
4c813d4d | 2204 | if (!crtc->funcs->cursor_set && !crtc->funcs->cursor_set2) { |
f453ba04 DA |
2205 | ret = -ENXIO; |
2206 | goto out; | |
2207 | } | |
2208 | /* Turns off the cursor if handle is 0 */ | |
4c813d4d DA |
2209 | if (crtc->funcs->cursor_set2) |
2210 | ret = crtc->funcs->cursor_set2(crtc, file_priv, req->handle, | |
2211 | req->width, req->height, req->hot_x, req->hot_y); | |
2212 | else | |
2213 | ret = crtc->funcs->cursor_set(crtc, file_priv, req->handle, | |
2214 | req->width, req->height); | |
f453ba04 DA |
2215 | } |
2216 | ||
2217 | if (req->flags & DRM_MODE_CURSOR_MOVE) { | |
2218 | if (crtc->funcs->cursor_move) { | |
2219 | ret = crtc->funcs->cursor_move(crtc, req->x, req->y); | |
2220 | } else { | |
f453ba04 DA |
2221 | ret = -EFAULT; |
2222 | goto out; | |
2223 | } | |
2224 | } | |
2225 | out: | |
dac35663 DV |
2226 | mutex_unlock(&crtc->mutex); |
2227 | ||
f453ba04 | 2228 | return ret; |
4c813d4d DA |
2229 | |
2230 | } | |
2231 | int drm_mode_cursor_ioctl(struct drm_device *dev, | |
2232 | void *data, struct drm_file *file_priv) | |
2233 | { | |
2234 | struct drm_mode_cursor *req = data; | |
2235 | struct drm_mode_cursor2 new_req; | |
2236 | ||
2237 | memcpy(&new_req, req, sizeof(struct drm_mode_cursor)); | |
2238 | new_req.hot_x = new_req.hot_y = 0; | |
2239 | ||
2240 | return drm_mode_cursor_common(dev, &new_req, file_priv); | |
2241 | } | |
2242 | ||
2243 | int drm_mode_cursor2_ioctl(struct drm_device *dev, | |
2244 | void *data, struct drm_file *file_priv) | |
2245 | { | |
2246 | struct drm_mode_cursor2 *req = data; | |
2247 | return drm_mode_cursor_common(dev, req, file_priv); | |
f453ba04 DA |
2248 | } |
2249 | ||
308e5bcb JB |
2250 | /* Original addfb only supported RGB formats, so figure out which one */ |
2251 | uint32_t drm_mode_legacy_fb_format(uint32_t bpp, uint32_t depth) | |
2252 | { | |
2253 | uint32_t fmt; | |
2254 | ||
2255 | switch (bpp) { | |
2256 | case 8: | |
d84f031b | 2257 | fmt = DRM_FORMAT_C8; |
308e5bcb JB |
2258 | break; |
2259 | case 16: | |
2260 | if (depth == 15) | |
04b3924d | 2261 | fmt = DRM_FORMAT_XRGB1555; |
308e5bcb | 2262 | else |
04b3924d | 2263 | fmt = DRM_FORMAT_RGB565; |
308e5bcb JB |
2264 | break; |
2265 | case 24: | |
04b3924d | 2266 | fmt = DRM_FORMAT_RGB888; |
308e5bcb JB |
2267 | break; |
2268 | case 32: | |
2269 | if (depth == 24) | |
04b3924d | 2270 | fmt = DRM_FORMAT_XRGB8888; |
308e5bcb | 2271 | else if (depth == 30) |
04b3924d | 2272 | fmt = DRM_FORMAT_XRGB2101010; |
308e5bcb | 2273 | else |
04b3924d | 2274 | fmt = DRM_FORMAT_ARGB8888; |
308e5bcb JB |
2275 | break; |
2276 | default: | |
04b3924d VS |
2277 | DRM_ERROR("bad bpp, assuming x8r8g8b8 pixel format\n"); |
2278 | fmt = DRM_FORMAT_XRGB8888; | |
308e5bcb JB |
2279 | break; |
2280 | } | |
2281 | ||
2282 | return fmt; | |
2283 | } | |
2284 | EXPORT_SYMBOL(drm_mode_legacy_fb_format); | |
2285 | ||
f453ba04 DA |
2286 | /** |
2287 | * drm_mode_addfb - add an FB to the graphics configuration | |
065a50ed DV |
2288 | * @dev: drm device for the ioctl |
2289 | * @data: data pointer for the ioctl | |
2290 | * @file_priv: drm file for the ioctl call | |
f453ba04 | 2291 | * |
f453ba04 DA |
2292 | * Add a new FB to the specified CRTC, given a user request. |
2293 | * | |
2294 | * Called by the user via ioctl. | |
2295 | * | |
2296 | * RETURNS: | |
2297 | * Zero on success, errno on failure. | |
2298 | */ | |
2299 | int drm_mode_addfb(struct drm_device *dev, | |
2300 | void *data, struct drm_file *file_priv) | |
2301 | { | |
308e5bcb JB |
2302 | struct drm_mode_fb_cmd *or = data; |
2303 | struct drm_mode_fb_cmd2 r = {}; | |
2304 | struct drm_mode_config *config = &dev->mode_config; | |
2305 | struct drm_framebuffer *fb; | |
2306 | int ret = 0; | |
2307 | ||
2308 | /* Use new struct with format internally */ | |
2309 | r.fb_id = or->fb_id; | |
2310 | r.width = or->width; | |
2311 | r.height = or->height; | |
2312 | r.pitches[0] = or->pitch; | |
2313 | r.pixel_format = drm_mode_legacy_fb_format(or->bpp, or->depth); | |
2314 | r.handles[0] = or->handle; | |
2315 | ||
2316 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) | |
2317 | return -EINVAL; | |
2318 | ||
acb4b992 | 2319 | if ((config->min_width > r.width) || (r.width > config->max_width)) |
308e5bcb | 2320 | return -EINVAL; |
acb4b992 JB |
2321 | |
2322 | if ((config->min_height > r.height) || (r.height > config->max_height)) | |
308e5bcb | 2323 | return -EINVAL; |
308e5bcb | 2324 | |
308e5bcb JB |
2325 | fb = dev->mode_config.funcs->fb_create(dev, file_priv, &r); |
2326 | if (IS_ERR(fb)) { | |
1aa1b11c | 2327 | DRM_DEBUG_KMS("could not create framebuffer\n"); |
4b096ac1 | 2328 | return PTR_ERR(fb); |
308e5bcb JB |
2329 | } |
2330 | ||
4b096ac1 | 2331 | mutex_lock(&file_priv->fbs_lock); |
308e5bcb JB |
2332 | or->fb_id = fb->base.id; |
2333 | list_add(&fb->filp_head, &file_priv->fbs); | |
2334 | DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id); | |
4b096ac1 | 2335 | mutex_unlock(&file_priv->fbs_lock); |
4b096ac1 | 2336 | |
308e5bcb JB |
2337 | return ret; |
2338 | } | |
2339 | ||
cff91b62 | 2340 | static int format_check(const struct drm_mode_fb_cmd2 *r) |
935b5977 VS |
2341 | { |
2342 | uint32_t format = r->pixel_format & ~DRM_FORMAT_BIG_ENDIAN; | |
2343 | ||
2344 | switch (format) { | |
2345 | case DRM_FORMAT_C8: | |
2346 | case DRM_FORMAT_RGB332: | |
2347 | case DRM_FORMAT_BGR233: | |
2348 | case DRM_FORMAT_XRGB4444: | |
2349 | case DRM_FORMAT_XBGR4444: | |
2350 | case DRM_FORMAT_RGBX4444: | |
2351 | case DRM_FORMAT_BGRX4444: | |
2352 | case DRM_FORMAT_ARGB4444: | |
2353 | case DRM_FORMAT_ABGR4444: | |
2354 | case DRM_FORMAT_RGBA4444: | |
2355 | case DRM_FORMAT_BGRA4444: | |
2356 | case DRM_FORMAT_XRGB1555: | |
2357 | case DRM_FORMAT_XBGR1555: | |
2358 | case DRM_FORMAT_RGBX5551: | |
2359 | case DRM_FORMAT_BGRX5551: | |
2360 | case DRM_FORMAT_ARGB1555: | |
2361 | case DRM_FORMAT_ABGR1555: | |
2362 | case DRM_FORMAT_RGBA5551: | |
2363 | case DRM_FORMAT_BGRA5551: | |
2364 | case DRM_FORMAT_RGB565: | |
2365 | case DRM_FORMAT_BGR565: | |
2366 | case DRM_FORMAT_RGB888: | |
2367 | case DRM_FORMAT_BGR888: | |
2368 | case DRM_FORMAT_XRGB8888: | |
2369 | case DRM_FORMAT_XBGR8888: | |
2370 | case DRM_FORMAT_RGBX8888: | |
2371 | case DRM_FORMAT_BGRX8888: | |
2372 | case DRM_FORMAT_ARGB8888: | |
2373 | case DRM_FORMAT_ABGR8888: | |
2374 | case DRM_FORMAT_RGBA8888: | |
2375 | case DRM_FORMAT_BGRA8888: | |
2376 | case DRM_FORMAT_XRGB2101010: | |
2377 | case DRM_FORMAT_XBGR2101010: | |
2378 | case DRM_FORMAT_RGBX1010102: | |
2379 | case DRM_FORMAT_BGRX1010102: | |
2380 | case DRM_FORMAT_ARGB2101010: | |
2381 | case DRM_FORMAT_ABGR2101010: | |
2382 | case DRM_FORMAT_RGBA1010102: | |
2383 | case DRM_FORMAT_BGRA1010102: | |
2384 | case DRM_FORMAT_YUYV: | |
2385 | case DRM_FORMAT_YVYU: | |
2386 | case DRM_FORMAT_UYVY: | |
2387 | case DRM_FORMAT_VYUY: | |
2388 | case DRM_FORMAT_AYUV: | |
2389 | case DRM_FORMAT_NV12: | |
2390 | case DRM_FORMAT_NV21: | |
2391 | case DRM_FORMAT_NV16: | |
2392 | case DRM_FORMAT_NV61: | |
ba623f6a LP |
2393 | case DRM_FORMAT_NV24: |
2394 | case DRM_FORMAT_NV42: | |
935b5977 VS |
2395 | case DRM_FORMAT_YUV410: |
2396 | case DRM_FORMAT_YVU410: | |
2397 | case DRM_FORMAT_YUV411: | |
2398 | case DRM_FORMAT_YVU411: | |
2399 | case DRM_FORMAT_YUV420: | |
2400 | case DRM_FORMAT_YVU420: | |
2401 | case DRM_FORMAT_YUV422: | |
2402 | case DRM_FORMAT_YVU422: | |
2403 | case DRM_FORMAT_YUV444: | |
2404 | case DRM_FORMAT_YVU444: | |
2405 | return 0; | |
2406 | default: | |
2407 | return -EINVAL; | |
2408 | } | |
2409 | } | |
2410 | ||
cff91b62 | 2411 | static int framebuffer_check(const struct drm_mode_fb_cmd2 *r) |
d1b45d5f VS |
2412 | { |
2413 | int ret, hsub, vsub, num_planes, i; | |
2414 | ||
2415 | ret = format_check(r); | |
2416 | if (ret) { | |
6ba6d03e VS |
2417 | DRM_DEBUG_KMS("bad framebuffer format %s\n", |
2418 | drm_get_format_name(r->pixel_format)); | |
d1b45d5f VS |
2419 | return ret; |
2420 | } | |
2421 | ||
2422 | hsub = drm_format_horz_chroma_subsampling(r->pixel_format); | |
2423 | vsub = drm_format_vert_chroma_subsampling(r->pixel_format); | |
2424 | num_planes = drm_format_num_planes(r->pixel_format); | |
2425 | ||
2426 | if (r->width == 0 || r->width % hsub) { | |
1aa1b11c | 2427 | DRM_DEBUG_KMS("bad framebuffer width %u\n", r->height); |
d1b45d5f VS |
2428 | return -EINVAL; |
2429 | } | |
2430 | ||
2431 | if (r->height == 0 || r->height % vsub) { | |
1aa1b11c | 2432 | DRM_DEBUG_KMS("bad framebuffer height %u\n", r->height); |
d1b45d5f VS |
2433 | return -EINVAL; |
2434 | } | |
2435 | ||
2436 | for (i = 0; i < num_planes; i++) { | |
2437 | unsigned int width = r->width / (i != 0 ? hsub : 1); | |
b180b5d1 VS |
2438 | unsigned int height = r->height / (i != 0 ? vsub : 1); |
2439 | unsigned int cpp = drm_format_plane_cpp(r->pixel_format, i); | |
d1b45d5f VS |
2440 | |
2441 | if (!r->handles[i]) { | |
1aa1b11c | 2442 | DRM_DEBUG_KMS("no buffer object handle for plane %d\n", i); |
d1b45d5f VS |
2443 | return -EINVAL; |
2444 | } | |
2445 | ||
b180b5d1 VS |
2446 | if ((uint64_t) width * cpp > UINT_MAX) |
2447 | return -ERANGE; | |
2448 | ||
2449 | if ((uint64_t) height * r->pitches[i] + r->offsets[i] > UINT_MAX) | |
2450 | return -ERANGE; | |
2451 | ||
2452 | if (r->pitches[i] < width * cpp) { | |
1aa1b11c | 2453 | DRM_DEBUG_KMS("bad pitch %u for plane %d\n", r->pitches[i], i); |
d1b45d5f VS |
2454 | return -EINVAL; |
2455 | } | |
2456 | } | |
2457 | ||
2458 | return 0; | |
2459 | } | |
2460 | ||
308e5bcb JB |
2461 | /** |
2462 | * drm_mode_addfb2 - add an FB to the graphics configuration | |
065a50ed DV |
2463 | * @dev: drm device for the ioctl |
2464 | * @data: data pointer for the ioctl | |
2465 | * @file_priv: drm file for the ioctl call | |
308e5bcb | 2466 | * |
308e5bcb JB |
2467 | * Add a new FB to the specified CRTC, given a user request with format. |
2468 | * | |
2469 | * Called by the user via ioctl. | |
2470 | * | |
2471 | * RETURNS: | |
2472 | * Zero on success, errno on failure. | |
2473 | */ | |
2474 | int drm_mode_addfb2(struct drm_device *dev, | |
2475 | void *data, struct drm_file *file_priv) | |
2476 | { | |
2477 | struct drm_mode_fb_cmd2 *r = data; | |
f453ba04 DA |
2478 | struct drm_mode_config *config = &dev->mode_config; |
2479 | struct drm_framebuffer *fb; | |
4a1b0714 | 2480 | int ret; |
f453ba04 | 2481 | |
fb3b06c8 DA |
2482 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2483 | return -EINVAL; | |
2484 | ||
e3cc3520 VS |
2485 | if (r->flags & ~DRM_MODE_FB_INTERLACED) { |
2486 | DRM_DEBUG_KMS("bad framebuffer flags 0x%08x\n", r->flags); | |
2487 | return -EINVAL; | |
2488 | } | |
2489 | ||
f453ba04 | 2490 | if ((config->min_width > r->width) || (r->width > config->max_width)) { |
1aa1b11c | 2491 | DRM_DEBUG_KMS("bad framebuffer width %d, should be >= %d && <= %d\n", |
8cf5c917 | 2492 | r->width, config->min_width, config->max_width); |
f453ba04 DA |
2493 | return -EINVAL; |
2494 | } | |
2495 | if ((config->min_height > r->height) || (r->height > config->max_height)) { | |
1aa1b11c | 2496 | DRM_DEBUG_KMS("bad framebuffer height %d, should be >= %d && <= %d\n", |
8cf5c917 | 2497 | r->height, config->min_height, config->max_height); |
f453ba04 DA |
2498 | return -EINVAL; |
2499 | } | |
2500 | ||
d1b45d5f VS |
2501 | ret = framebuffer_check(r); |
2502 | if (ret) | |
935b5977 | 2503 | return ret; |
935b5977 | 2504 | |
f453ba04 | 2505 | fb = dev->mode_config.funcs->fb_create(dev, file_priv, r); |
cce13ff7 | 2506 | if (IS_ERR(fb)) { |
1aa1b11c | 2507 | DRM_DEBUG_KMS("could not create framebuffer\n"); |
4b096ac1 | 2508 | return PTR_ERR(fb); |
f453ba04 DA |
2509 | } |
2510 | ||
4b096ac1 | 2511 | mutex_lock(&file_priv->fbs_lock); |
e0c8463a | 2512 | r->fb_id = fb->base.id; |
f453ba04 | 2513 | list_add(&fb->filp_head, &file_priv->fbs); |
9440106b | 2514 | DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id); |
4b096ac1 | 2515 | mutex_unlock(&file_priv->fbs_lock); |
f453ba04 | 2516 | |
4b096ac1 | 2517 | |
f453ba04 DA |
2518 | return ret; |
2519 | } | |
2520 | ||
2521 | /** | |
2522 | * drm_mode_rmfb - remove an FB from the configuration | |
065a50ed DV |
2523 | * @dev: drm device for the ioctl |
2524 | * @data: data pointer for the ioctl | |
2525 | * @file_priv: drm file for the ioctl call | |
f453ba04 | 2526 | * |
f453ba04 DA |
2527 | * Remove the FB specified by the user. |
2528 | * | |
2529 | * Called by the user via ioctl. | |
2530 | * | |
2531 | * RETURNS: | |
2532 | * Zero on success, errno on failure. | |
2533 | */ | |
2534 | int drm_mode_rmfb(struct drm_device *dev, | |
2535 | void *data, struct drm_file *file_priv) | |
2536 | { | |
f453ba04 DA |
2537 | struct drm_framebuffer *fb = NULL; |
2538 | struct drm_framebuffer *fbl = NULL; | |
2539 | uint32_t *id = data; | |
f453ba04 DA |
2540 | int found = 0; |
2541 | ||
fb3b06c8 DA |
2542 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2543 | return -EINVAL; | |
2544 | ||
4b096ac1 | 2545 | mutex_lock(&file_priv->fbs_lock); |
2b677e8c DV |
2546 | mutex_lock(&dev->mode_config.fb_lock); |
2547 | fb = __drm_framebuffer_lookup(dev, *id); | |
2548 | if (!fb) | |
2549 | goto fail_lookup; | |
2550 | ||
f453ba04 DA |
2551 | list_for_each_entry(fbl, &file_priv->fbs, filp_head) |
2552 | if (fb == fbl) | |
2553 | found = 1; | |
2b677e8c DV |
2554 | if (!found) |
2555 | goto fail_lookup; | |
2556 | ||
2557 | /* Mark fb as reaped, we still have a ref from fpriv->fbs. */ | |
2558 | __drm_framebuffer_unregister(dev, fb); | |
f453ba04 | 2559 | |
4b096ac1 | 2560 | list_del_init(&fb->filp_head); |
2b677e8c | 2561 | mutex_unlock(&dev->mode_config.fb_lock); |
4b096ac1 | 2562 | mutex_unlock(&file_priv->fbs_lock); |
f453ba04 | 2563 | |
4b096ac1 | 2564 | drm_framebuffer_remove(fb); |
4b096ac1 | 2565 | |
2b677e8c DV |
2566 | return 0; |
2567 | ||
2568 | fail_lookup: | |
2569 | mutex_unlock(&dev->mode_config.fb_lock); | |
2570 | mutex_unlock(&file_priv->fbs_lock); | |
2571 | ||
2572 | return -EINVAL; | |
f453ba04 DA |
2573 | } |
2574 | ||
2575 | /** | |
2576 | * drm_mode_getfb - get FB info | |
065a50ed DV |
2577 | * @dev: drm device for the ioctl |
2578 | * @data: data pointer for the ioctl | |
2579 | * @file_priv: drm file for the ioctl call | |
f453ba04 | 2580 | * |
f453ba04 DA |
2581 | * Lookup the FB given its ID and return info about it. |
2582 | * | |
2583 | * Called by the user via ioctl. | |
2584 | * | |
2585 | * RETURNS: | |
2586 | * Zero on success, errno on failure. | |
2587 | */ | |
2588 | int drm_mode_getfb(struct drm_device *dev, | |
2589 | void *data, struct drm_file *file_priv) | |
2590 | { | |
2591 | struct drm_mode_fb_cmd *r = data; | |
f453ba04 | 2592 | struct drm_framebuffer *fb; |
58c0dca1 | 2593 | int ret; |
f453ba04 | 2594 | |
fb3b06c8 DA |
2595 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2596 | return -EINVAL; | |
2597 | ||
786b99ed | 2598 | fb = drm_framebuffer_lookup(dev, r->fb_id); |
58c0dca1 DV |
2599 | if (!fb) |
2600 | return -EINVAL; | |
f453ba04 DA |
2601 | |
2602 | r->height = fb->height; | |
2603 | r->width = fb->width; | |
2604 | r->depth = fb->depth; | |
2605 | r->bpp = fb->bits_per_pixel; | |
01f2c773 | 2606 | r->pitch = fb->pitches[0]; |
af26ef3b DV |
2607 | if (fb->funcs->create_handle) |
2608 | ret = fb->funcs->create_handle(fb, file_priv, &r->handle); | |
2609 | else | |
2610 | ret = -ENODEV; | |
f453ba04 | 2611 | |
58c0dca1 DV |
2612 | drm_framebuffer_unreference(fb); |
2613 | ||
f453ba04 DA |
2614 | return ret; |
2615 | } | |
2616 | ||
884840aa JB |
2617 | int drm_mode_dirtyfb_ioctl(struct drm_device *dev, |
2618 | void *data, struct drm_file *file_priv) | |
2619 | { | |
2620 | struct drm_clip_rect __user *clips_ptr; | |
2621 | struct drm_clip_rect *clips = NULL; | |
2622 | struct drm_mode_fb_dirty_cmd *r = data; | |
884840aa JB |
2623 | struct drm_framebuffer *fb; |
2624 | unsigned flags; | |
2625 | int num_clips; | |
4a1b0714 | 2626 | int ret; |
884840aa | 2627 | |
fb3b06c8 DA |
2628 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2629 | return -EINVAL; | |
2630 | ||
786b99ed | 2631 | fb = drm_framebuffer_lookup(dev, r->fb_id); |
4ccf097f DV |
2632 | if (!fb) |
2633 | return -EINVAL; | |
884840aa JB |
2634 | |
2635 | num_clips = r->num_clips; | |
81f6c7f8 | 2636 | clips_ptr = (struct drm_clip_rect __user *)(unsigned long)r->clips_ptr; |
884840aa JB |
2637 | |
2638 | if (!num_clips != !clips_ptr) { | |
2639 | ret = -EINVAL; | |
2640 | goto out_err1; | |
2641 | } | |
2642 | ||
2643 | flags = DRM_MODE_FB_DIRTY_FLAGS & r->flags; | |
2644 | ||
2645 | /* If userspace annotates copy, clips must come in pairs */ | |
2646 | if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY && (num_clips % 2)) { | |
2647 | ret = -EINVAL; | |
2648 | goto out_err1; | |
2649 | } | |
2650 | ||
2651 | if (num_clips && clips_ptr) { | |
a5cd3351 XW |
2652 | if (num_clips < 0 || num_clips > DRM_MODE_FB_DIRTY_MAX_CLIPS) { |
2653 | ret = -EINVAL; | |
2654 | goto out_err1; | |
2655 | } | |
884840aa JB |
2656 | clips = kzalloc(num_clips * sizeof(*clips), GFP_KERNEL); |
2657 | if (!clips) { | |
2658 | ret = -ENOMEM; | |
2659 | goto out_err1; | |
2660 | } | |
2661 | ||
2662 | ret = copy_from_user(clips, clips_ptr, | |
2663 | num_clips * sizeof(*clips)); | |
e902a358 DC |
2664 | if (ret) { |
2665 | ret = -EFAULT; | |
884840aa | 2666 | goto out_err2; |
e902a358 | 2667 | } |
884840aa JB |
2668 | } |
2669 | ||
2670 | if (fb->funcs->dirty) { | |
4ccf097f | 2671 | drm_modeset_lock_all(dev); |
02b00162 TH |
2672 | ret = fb->funcs->dirty(fb, file_priv, flags, r->color, |
2673 | clips, num_clips); | |
4ccf097f | 2674 | drm_modeset_unlock_all(dev); |
884840aa JB |
2675 | } else { |
2676 | ret = -ENOSYS; | |
884840aa JB |
2677 | } |
2678 | ||
2679 | out_err2: | |
2680 | kfree(clips); | |
2681 | out_err1: | |
4ccf097f DV |
2682 | drm_framebuffer_unreference(fb); |
2683 | ||
884840aa JB |
2684 | return ret; |
2685 | } | |
2686 | ||
2687 | ||
f453ba04 DA |
2688 | /** |
2689 | * drm_fb_release - remove and free the FBs on this file | |
065a50ed | 2690 | * @priv: drm file for the ioctl |
f453ba04 | 2691 | * |
f453ba04 DA |
2692 | * Destroy all the FBs associated with @filp. |
2693 | * | |
2694 | * Called by the user via ioctl. | |
2695 | * | |
2696 | * RETURNS: | |
2697 | * Zero on success, errno on failure. | |
2698 | */ | |
ea39f835 | 2699 | void drm_fb_release(struct drm_file *priv) |
f453ba04 | 2700 | { |
f453ba04 DA |
2701 | struct drm_device *dev = priv->minor->dev; |
2702 | struct drm_framebuffer *fb, *tfb; | |
2703 | ||
4b096ac1 | 2704 | mutex_lock(&priv->fbs_lock); |
f453ba04 | 2705 | list_for_each_entry_safe(fb, tfb, &priv->fbs, filp_head) { |
2b677e8c DV |
2706 | |
2707 | mutex_lock(&dev->mode_config.fb_lock); | |
2708 | /* Mark fb as reaped, we still have a ref from fpriv->fbs. */ | |
2709 | __drm_framebuffer_unregister(dev, fb); | |
2710 | mutex_unlock(&dev->mode_config.fb_lock); | |
2711 | ||
4b096ac1 | 2712 | list_del_init(&fb->filp_head); |
2b677e8c DV |
2713 | |
2714 | /* This will also drop the fpriv->fbs reference. */ | |
f7eff60e | 2715 | drm_framebuffer_remove(fb); |
f453ba04 | 2716 | } |
4b096ac1 | 2717 | mutex_unlock(&priv->fbs_lock); |
f453ba04 DA |
2718 | } |
2719 | ||
f453ba04 DA |
2720 | struct drm_property *drm_property_create(struct drm_device *dev, int flags, |
2721 | const char *name, int num_values) | |
2722 | { | |
2723 | struct drm_property *property = NULL; | |
6bfc56aa | 2724 | int ret; |
f453ba04 DA |
2725 | |
2726 | property = kzalloc(sizeof(struct drm_property), GFP_KERNEL); | |
2727 | if (!property) | |
2728 | return NULL; | |
2729 | ||
2730 | if (num_values) { | |
2731 | property->values = kzalloc(sizeof(uint64_t)*num_values, GFP_KERNEL); | |
2732 | if (!property->values) | |
2733 | goto fail; | |
2734 | } | |
2735 | ||
6bfc56aa VS |
2736 | ret = drm_mode_object_get(dev, &property->base, DRM_MODE_OBJECT_PROPERTY); |
2737 | if (ret) | |
2738 | goto fail; | |
2739 | ||
f453ba04 DA |
2740 | property->flags = flags; |
2741 | property->num_values = num_values; | |
2742 | INIT_LIST_HEAD(&property->enum_blob_list); | |
2743 | ||
471dd2ef | 2744 | if (name) { |
f453ba04 | 2745 | strncpy(property->name, name, DRM_PROP_NAME_LEN); |
471dd2ef VL |
2746 | property->name[DRM_PROP_NAME_LEN-1] = '\0'; |
2747 | } | |
f453ba04 DA |
2748 | |
2749 | list_add_tail(&property->head, &dev->mode_config.property_list); | |
2750 | return property; | |
2751 | fail: | |
6bfc56aa | 2752 | kfree(property->values); |
f453ba04 DA |
2753 | kfree(property); |
2754 | return NULL; | |
2755 | } | |
2756 | EXPORT_SYMBOL(drm_property_create); | |
2757 | ||
4a67d391 SH |
2758 | struct drm_property *drm_property_create_enum(struct drm_device *dev, int flags, |
2759 | const char *name, | |
2760 | const struct drm_prop_enum_list *props, | |
2761 | int num_values) | |
2762 | { | |
2763 | struct drm_property *property; | |
2764 | int i, ret; | |
2765 | ||
2766 | flags |= DRM_MODE_PROP_ENUM; | |
2767 | ||
2768 | property = drm_property_create(dev, flags, name, num_values); | |
2769 | if (!property) | |
2770 | return NULL; | |
2771 | ||
2772 | for (i = 0; i < num_values; i++) { | |
2773 | ret = drm_property_add_enum(property, i, | |
2774 | props[i].type, | |
2775 | props[i].name); | |
2776 | if (ret) { | |
2777 | drm_property_destroy(dev, property); | |
2778 | return NULL; | |
2779 | } | |
2780 | } | |
2781 | ||
2782 | return property; | |
2783 | } | |
2784 | EXPORT_SYMBOL(drm_property_create_enum); | |
2785 | ||
49e27545 RC |
2786 | struct drm_property *drm_property_create_bitmask(struct drm_device *dev, |
2787 | int flags, const char *name, | |
2788 | const struct drm_prop_enum_list *props, | |
2789 | int num_values) | |
2790 | { | |
2791 | struct drm_property *property; | |
2792 | int i, ret; | |
2793 | ||
2794 | flags |= DRM_MODE_PROP_BITMASK; | |
2795 | ||
2796 | property = drm_property_create(dev, flags, name, num_values); | |
2797 | if (!property) | |
2798 | return NULL; | |
2799 | ||
2800 | for (i = 0; i < num_values; i++) { | |
2801 | ret = drm_property_add_enum(property, i, | |
2802 | props[i].type, | |
2803 | props[i].name); | |
2804 | if (ret) { | |
2805 | drm_property_destroy(dev, property); | |
2806 | return NULL; | |
2807 | } | |
2808 | } | |
2809 | ||
2810 | return property; | |
2811 | } | |
2812 | EXPORT_SYMBOL(drm_property_create_bitmask); | |
2813 | ||
d9bc3c02 SH |
2814 | struct drm_property *drm_property_create_range(struct drm_device *dev, int flags, |
2815 | const char *name, | |
2816 | uint64_t min, uint64_t max) | |
2817 | { | |
2818 | struct drm_property *property; | |
2819 | ||
2820 | flags |= DRM_MODE_PROP_RANGE; | |
2821 | ||
2822 | property = drm_property_create(dev, flags, name, 2); | |
2823 | if (!property) | |
2824 | return NULL; | |
2825 | ||
2826 | property->values[0] = min; | |
2827 | property->values[1] = max; | |
2828 | ||
2829 | return property; | |
2830 | } | |
2831 | EXPORT_SYMBOL(drm_property_create_range); | |
2832 | ||
f453ba04 DA |
2833 | int drm_property_add_enum(struct drm_property *property, int index, |
2834 | uint64_t value, const char *name) | |
2835 | { | |
2836 | struct drm_property_enum *prop_enum; | |
2837 | ||
49e27545 RC |
2838 | if (!(property->flags & (DRM_MODE_PROP_ENUM | DRM_MODE_PROP_BITMASK))) |
2839 | return -EINVAL; | |
2840 | ||
2841 | /* | |
2842 | * Bitmask enum properties have the additional constraint of values | |
2843 | * from 0 to 63 | |
2844 | */ | |
2845 | if ((property->flags & DRM_MODE_PROP_BITMASK) && (value > 63)) | |
f453ba04 DA |
2846 | return -EINVAL; |
2847 | ||
2848 | if (!list_empty(&property->enum_blob_list)) { | |
2849 | list_for_each_entry(prop_enum, &property->enum_blob_list, head) { | |
2850 | if (prop_enum->value == value) { | |
2851 | strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); | |
2852 | prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; | |
2853 | return 0; | |
2854 | } | |
2855 | } | |
2856 | } | |
2857 | ||
2858 | prop_enum = kzalloc(sizeof(struct drm_property_enum), GFP_KERNEL); | |
2859 | if (!prop_enum) | |
2860 | return -ENOMEM; | |
2861 | ||
2862 | strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); | |
2863 | prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; | |
2864 | prop_enum->value = value; | |
2865 | ||
2866 | property->values[index] = value; | |
2867 | list_add_tail(&prop_enum->head, &property->enum_blob_list); | |
2868 | return 0; | |
2869 | } | |
2870 | EXPORT_SYMBOL(drm_property_add_enum); | |
2871 | ||
2872 | void drm_property_destroy(struct drm_device *dev, struct drm_property *property) | |
2873 | { | |
2874 | struct drm_property_enum *prop_enum, *pt; | |
2875 | ||
2876 | list_for_each_entry_safe(prop_enum, pt, &property->enum_blob_list, head) { | |
2877 | list_del(&prop_enum->head); | |
2878 | kfree(prop_enum); | |
2879 | } | |
2880 | ||
2881 | if (property->num_values) | |
2882 | kfree(property->values); | |
2883 | drm_mode_object_put(dev, &property->base); | |
2884 | list_del(&property->head); | |
2885 | kfree(property); | |
2886 | } | |
2887 | EXPORT_SYMBOL(drm_property_destroy); | |
2888 | ||
c543188a PZ |
2889 | void drm_object_attach_property(struct drm_mode_object *obj, |
2890 | struct drm_property *property, | |
2891 | uint64_t init_val) | |
2892 | { | |
7f88a9be | 2893 | int count = obj->properties->count; |
c543188a | 2894 | |
7f88a9be PZ |
2895 | if (count == DRM_OBJECT_MAX_PROPERTY) { |
2896 | WARN(1, "Failed to attach object property (type: 0x%x). Please " | |
2897 | "increase DRM_OBJECT_MAX_PROPERTY by 1 for each time " | |
2898 | "you see this message on the same object type.\n", | |
2899 | obj->type); | |
2900 | return; | |
c543188a PZ |
2901 | } |
2902 | ||
7f88a9be PZ |
2903 | obj->properties->ids[count] = property->base.id; |
2904 | obj->properties->values[count] = init_val; | |
2905 | obj->properties->count++; | |
c543188a PZ |
2906 | } |
2907 | EXPORT_SYMBOL(drm_object_attach_property); | |
2908 | ||
2909 | int drm_object_property_set_value(struct drm_mode_object *obj, | |
2910 | struct drm_property *property, uint64_t val) | |
2911 | { | |
2912 | int i; | |
2913 | ||
7f88a9be | 2914 | for (i = 0; i < obj->properties->count; i++) { |
c543188a PZ |
2915 | if (obj->properties->ids[i] == property->base.id) { |
2916 | obj->properties->values[i] = val; | |
2917 | return 0; | |
2918 | } | |
2919 | } | |
2920 | ||
2921 | return -EINVAL; | |
2922 | } | |
2923 | EXPORT_SYMBOL(drm_object_property_set_value); | |
2924 | ||
2925 | int drm_object_property_get_value(struct drm_mode_object *obj, | |
2926 | struct drm_property *property, uint64_t *val) | |
2927 | { | |
2928 | int i; | |
2929 | ||
7f88a9be | 2930 | for (i = 0; i < obj->properties->count; i++) { |
c543188a PZ |
2931 | if (obj->properties->ids[i] == property->base.id) { |
2932 | *val = obj->properties->values[i]; | |
2933 | return 0; | |
2934 | } | |
2935 | } | |
2936 | ||
2937 | return -EINVAL; | |
2938 | } | |
2939 | EXPORT_SYMBOL(drm_object_property_get_value); | |
2940 | ||
f453ba04 DA |
2941 | int drm_mode_getproperty_ioctl(struct drm_device *dev, |
2942 | void *data, struct drm_file *file_priv) | |
2943 | { | |
2944 | struct drm_mode_object *obj; | |
2945 | struct drm_mode_get_property *out_resp = data; | |
2946 | struct drm_property *property; | |
2947 | int enum_count = 0; | |
2948 | int blob_count = 0; | |
2949 | int value_count = 0; | |
2950 | int ret = 0, i; | |
2951 | int copied; | |
2952 | struct drm_property_enum *prop_enum; | |
2953 | struct drm_mode_property_enum __user *enum_ptr; | |
2954 | struct drm_property_blob *prop_blob; | |
81f6c7f8 | 2955 | uint32_t __user *blob_id_ptr; |
f453ba04 DA |
2956 | uint64_t __user *values_ptr; |
2957 | uint32_t __user *blob_length_ptr; | |
2958 | ||
fb3b06c8 DA |
2959 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2960 | return -EINVAL; | |
2961 | ||
84849903 | 2962 | drm_modeset_lock_all(dev); |
f453ba04 DA |
2963 | obj = drm_mode_object_find(dev, out_resp->prop_id, DRM_MODE_OBJECT_PROPERTY); |
2964 | if (!obj) { | |
2965 | ret = -EINVAL; | |
2966 | goto done; | |
2967 | } | |
2968 | property = obj_to_property(obj); | |
2969 | ||
49e27545 | 2970 | if (property->flags & (DRM_MODE_PROP_ENUM | DRM_MODE_PROP_BITMASK)) { |
f453ba04 DA |
2971 | list_for_each_entry(prop_enum, &property->enum_blob_list, head) |
2972 | enum_count++; | |
2973 | } else if (property->flags & DRM_MODE_PROP_BLOB) { | |
2974 | list_for_each_entry(prop_blob, &property->enum_blob_list, head) | |
2975 | blob_count++; | |
2976 | } | |
2977 | ||
2978 | value_count = property->num_values; | |
2979 | ||
2980 | strncpy(out_resp->name, property->name, DRM_PROP_NAME_LEN); | |
2981 | out_resp->name[DRM_PROP_NAME_LEN-1] = 0; | |
2982 | out_resp->flags = property->flags; | |
2983 | ||
2984 | if ((out_resp->count_values >= value_count) && value_count) { | |
81f6c7f8 | 2985 | values_ptr = (uint64_t __user *)(unsigned long)out_resp->values_ptr; |
f453ba04 DA |
2986 | for (i = 0; i < value_count; i++) { |
2987 | if (copy_to_user(values_ptr + i, &property->values[i], sizeof(uint64_t))) { | |
2988 | ret = -EFAULT; | |
2989 | goto done; | |
2990 | } | |
2991 | } | |
2992 | } | |
2993 | out_resp->count_values = value_count; | |
2994 | ||
49e27545 | 2995 | if (property->flags & (DRM_MODE_PROP_ENUM | DRM_MODE_PROP_BITMASK)) { |
f453ba04 DA |
2996 | if ((out_resp->count_enum_blobs >= enum_count) && enum_count) { |
2997 | copied = 0; | |
81f6c7f8 | 2998 | enum_ptr = (struct drm_mode_property_enum __user *)(unsigned long)out_resp->enum_blob_ptr; |
f453ba04 DA |
2999 | list_for_each_entry(prop_enum, &property->enum_blob_list, head) { |
3000 | ||
3001 | if (copy_to_user(&enum_ptr[copied].value, &prop_enum->value, sizeof(uint64_t))) { | |
3002 | ret = -EFAULT; | |
3003 | goto done; | |
3004 | } | |
3005 | ||
3006 | if (copy_to_user(&enum_ptr[copied].name, | |
3007 | &prop_enum->name, DRM_PROP_NAME_LEN)) { | |
3008 | ret = -EFAULT; | |
3009 | goto done; | |
3010 | } | |
3011 | copied++; | |
3012 | } | |
3013 | } | |
3014 | out_resp->count_enum_blobs = enum_count; | |
3015 | } | |
3016 | ||
3017 | if (property->flags & DRM_MODE_PROP_BLOB) { | |
3018 | if ((out_resp->count_enum_blobs >= blob_count) && blob_count) { | |
3019 | copied = 0; | |
81f6c7f8 VS |
3020 | blob_id_ptr = (uint32_t __user *)(unsigned long)out_resp->enum_blob_ptr; |
3021 | blob_length_ptr = (uint32_t __user *)(unsigned long)out_resp->values_ptr; | |
f453ba04 DA |
3022 | |
3023 | list_for_each_entry(prop_blob, &property->enum_blob_list, head) { | |
3024 | if (put_user(prop_blob->base.id, blob_id_ptr + copied)) { | |
3025 | ret = -EFAULT; | |
3026 | goto done; | |
3027 | } | |
3028 | ||
3029 | if (put_user(prop_blob->length, blob_length_ptr + copied)) { | |
3030 | ret = -EFAULT; | |
3031 | goto done; | |
3032 | } | |
3033 | ||
3034 | copied++; | |
3035 | } | |
3036 | } | |
3037 | out_resp->count_enum_blobs = blob_count; | |
3038 | } | |
3039 | done: | |
84849903 | 3040 | drm_modeset_unlock_all(dev); |
f453ba04 DA |
3041 | return ret; |
3042 | } | |
3043 | ||
3044 | static struct drm_property_blob *drm_property_create_blob(struct drm_device *dev, int length, | |
3045 | void *data) | |
3046 | { | |
3047 | struct drm_property_blob *blob; | |
6bfc56aa | 3048 | int ret; |
f453ba04 DA |
3049 | |
3050 | if (!length || !data) | |
3051 | return NULL; | |
3052 | ||
3053 | blob = kzalloc(sizeof(struct drm_property_blob)+length, GFP_KERNEL); | |
3054 | if (!blob) | |
3055 | return NULL; | |
3056 | ||
6bfc56aa VS |
3057 | ret = drm_mode_object_get(dev, &blob->base, DRM_MODE_OBJECT_BLOB); |
3058 | if (ret) { | |
3059 | kfree(blob); | |
3060 | return NULL; | |
3061 | } | |
3062 | ||
f453ba04 DA |
3063 | blob->length = length; |
3064 | ||
3065 | memcpy(blob->data, data, length); | |
3066 | ||
f453ba04 DA |
3067 | list_add_tail(&blob->head, &dev->mode_config.property_blob_list); |
3068 | return blob; | |
3069 | } | |
3070 | ||
3071 | static void drm_property_destroy_blob(struct drm_device *dev, | |
3072 | struct drm_property_blob *blob) | |
3073 | { | |
3074 | drm_mode_object_put(dev, &blob->base); | |
3075 | list_del(&blob->head); | |
3076 | kfree(blob); | |
3077 | } | |
3078 | ||
3079 | int drm_mode_getblob_ioctl(struct drm_device *dev, | |
3080 | void *data, struct drm_file *file_priv) | |
3081 | { | |
3082 | struct drm_mode_object *obj; | |
3083 | struct drm_mode_get_blob *out_resp = data; | |
3084 | struct drm_property_blob *blob; | |
3085 | int ret = 0; | |
81f6c7f8 | 3086 | void __user *blob_ptr; |
f453ba04 | 3087 | |
fb3b06c8 DA |
3088 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
3089 | return -EINVAL; | |
3090 | ||
84849903 | 3091 | drm_modeset_lock_all(dev); |
f453ba04 DA |
3092 | obj = drm_mode_object_find(dev, out_resp->blob_id, DRM_MODE_OBJECT_BLOB); |
3093 | if (!obj) { | |
3094 | ret = -EINVAL; | |
3095 | goto done; | |
3096 | } | |
3097 | blob = obj_to_blob(obj); | |
3098 | ||
3099 | if (out_resp->length == blob->length) { | |
81f6c7f8 | 3100 | blob_ptr = (void __user *)(unsigned long)out_resp->data; |
f453ba04 DA |
3101 | if (copy_to_user(blob_ptr, blob->data, blob->length)){ |
3102 | ret = -EFAULT; | |
3103 | goto done; | |
3104 | } | |
3105 | } | |
3106 | out_resp->length = blob->length; | |
3107 | ||
3108 | done: | |
84849903 | 3109 | drm_modeset_unlock_all(dev); |
f453ba04 DA |
3110 | return ret; |
3111 | } | |
3112 | ||
3113 | int drm_mode_connector_update_edid_property(struct drm_connector *connector, | |
3114 | struct edid *edid) | |
3115 | { | |
3116 | struct drm_device *dev = connector->dev; | |
4a1b0714 | 3117 | int ret, size; |
f453ba04 DA |
3118 | |
3119 | if (connector->edid_blob_ptr) | |
3120 | drm_property_destroy_blob(dev, connector->edid_blob_ptr); | |
3121 | ||
3122 | /* Delete edid, when there is none. */ | |
3123 | if (!edid) { | |
3124 | connector->edid_blob_ptr = NULL; | |
58495563 | 3125 | ret = drm_object_property_set_value(&connector->base, dev->mode_config.edid_property, 0); |
f453ba04 DA |
3126 | return ret; |
3127 | } | |
3128 | ||
7466f4cc AJ |
3129 | size = EDID_LENGTH * (1 + edid->extensions); |
3130 | connector->edid_blob_ptr = drm_property_create_blob(connector->dev, | |
3131 | size, edid); | |
e655d122 SK |
3132 | if (!connector->edid_blob_ptr) |
3133 | return -EINVAL; | |
f453ba04 | 3134 | |
58495563 | 3135 | ret = drm_object_property_set_value(&connector->base, |
f453ba04 DA |
3136 | dev->mode_config.edid_property, |
3137 | connector->edid_blob_ptr->base.id); | |
3138 | ||
3139 | return ret; | |
3140 | } | |
3141 | EXPORT_SYMBOL(drm_mode_connector_update_edid_property); | |
3142 | ||
26a34815 | 3143 | static bool drm_property_change_is_valid(struct drm_property *property, |
592c20ee | 3144 | uint64_t value) |
26a34815 PZ |
3145 | { |
3146 | if (property->flags & DRM_MODE_PROP_IMMUTABLE) | |
3147 | return false; | |
3148 | if (property->flags & DRM_MODE_PROP_RANGE) { | |
3149 | if (value < property->values[0] || value > property->values[1]) | |
3150 | return false; | |
3151 | return true; | |
49e27545 RC |
3152 | } else if (property->flags & DRM_MODE_PROP_BITMASK) { |
3153 | int i; | |
592c20ee | 3154 | uint64_t valid_mask = 0; |
49e27545 RC |
3155 | for (i = 0; i < property->num_values; i++) |
3156 | valid_mask |= (1ULL << property->values[i]); | |
3157 | return !(value & ~valid_mask); | |
c4a56750 VS |
3158 | } else if (property->flags & DRM_MODE_PROP_BLOB) { |
3159 | /* Only the driver knows */ | |
3160 | return true; | |
26a34815 PZ |
3161 | } else { |
3162 | int i; | |
3163 | for (i = 0; i < property->num_values; i++) | |
3164 | if (property->values[i] == value) | |
3165 | return true; | |
3166 | return false; | |
3167 | } | |
3168 | } | |
3169 | ||
f453ba04 DA |
3170 | int drm_mode_connector_property_set_ioctl(struct drm_device *dev, |
3171 | void *data, struct drm_file *file_priv) | |
3172 | { | |
0057d8dd PZ |
3173 | struct drm_mode_connector_set_property *conn_set_prop = data; |
3174 | struct drm_mode_obj_set_property obj_set_prop = { | |
3175 | .value = conn_set_prop->value, | |
3176 | .prop_id = conn_set_prop->prop_id, | |
3177 | .obj_id = conn_set_prop->connector_id, | |
3178 | .obj_type = DRM_MODE_OBJECT_CONNECTOR | |
3179 | }; | |
fb3b06c8 | 3180 | |
0057d8dd PZ |
3181 | /* It does all the locking and checking we need */ |
3182 | return drm_mode_obj_set_property_ioctl(dev, &obj_set_prop, file_priv); | |
f453ba04 DA |
3183 | } |
3184 | ||
c543188a PZ |
3185 | static int drm_mode_connector_set_obj_prop(struct drm_mode_object *obj, |
3186 | struct drm_property *property, | |
3187 | uint64_t value) | |
3188 | { | |
3189 | int ret = -EINVAL; | |
3190 | struct drm_connector *connector = obj_to_connector(obj); | |
3191 | ||
3192 | /* Do DPMS ourselves */ | |
3193 | if (property == connector->dev->mode_config.dpms_property) { | |
3194 | if (connector->funcs->dpms) | |
3195 | (*connector->funcs->dpms)(connector, (int)value); | |
3196 | ret = 0; | |
3197 | } else if (connector->funcs->set_property) | |
3198 | ret = connector->funcs->set_property(connector, property, value); | |
3199 | ||
3200 | /* store the property value if successful */ | |
3201 | if (!ret) | |
58495563 | 3202 | drm_object_property_set_value(&connector->base, property, value); |
c543188a PZ |
3203 | return ret; |
3204 | } | |
3205 | ||
bffd9de0 PZ |
3206 | static int drm_mode_crtc_set_obj_prop(struct drm_mode_object *obj, |
3207 | struct drm_property *property, | |
3208 | uint64_t value) | |
3209 | { | |
3210 | int ret = -EINVAL; | |
3211 | struct drm_crtc *crtc = obj_to_crtc(obj); | |
3212 | ||
3213 | if (crtc->funcs->set_property) | |
3214 | ret = crtc->funcs->set_property(crtc, property, value); | |
3215 | if (!ret) | |
3216 | drm_object_property_set_value(obj, property, value); | |
3217 | ||
3218 | return ret; | |
3219 | } | |
3220 | ||
4d93914a RC |
3221 | static int drm_mode_plane_set_obj_prop(struct drm_mode_object *obj, |
3222 | struct drm_property *property, | |
3223 | uint64_t value) | |
3224 | { | |
3225 | int ret = -EINVAL; | |
3226 | struct drm_plane *plane = obj_to_plane(obj); | |
3227 | ||
3228 | if (plane->funcs->set_property) | |
3229 | ret = plane->funcs->set_property(plane, property, value); | |
3230 | if (!ret) | |
3231 | drm_object_property_set_value(obj, property, value); | |
3232 | ||
3233 | return ret; | |
3234 | } | |
3235 | ||
c543188a PZ |
3236 | int drm_mode_obj_get_properties_ioctl(struct drm_device *dev, void *data, |
3237 | struct drm_file *file_priv) | |
3238 | { | |
3239 | struct drm_mode_obj_get_properties *arg = data; | |
3240 | struct drm_mode_object *obj; | |
3241 | int ret = 0; | |
3242 | int i; | |
3243 | int copied = 0; | |
3244 | int props_count = 0; | |
3245 | uint32_t __user *props_ptr; | |
3246 | uint64_t __user *prop_values_ptr; | |
3247 | ||
3248 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) | |
3249 | return -EINVAL; | |
3250 | ||
84849903 | 3251 | drm_modeset_lock_all(dev); |
c543188a PZ |
3252 | |
3253 | obj = drm_mode_object_find(dev, arg->obj_id, arg->obj_type); | |
3254 | if (!obj) { | |
3255 | ret = -EINVAL; | |
3256 | goto out; | |
3257 | } | |
3258 | if (!obj->properties) { | |
3259 | ret = -EINVAL; | |
3260 | goto out; | |
3261 | } | |
3262 | ||
7f88a9be | 3263 | props_count = obj->properties->count; |
c543188a PZ |
3264 | |
3265 | /* This ioctl is called twice, once to determine how much space is | |
3266 | * needed, and the 2nd time to fill it. */ | |
3267 | if ((arg->count_props >= props_count) && props_count) { | |
3268 | copied = 0; | |
3269 | props_ptr = (uint32_t __user *)(unsigned long)(arg->props_ptr); | |
3270 | prop_values_ptr = (uint64_t __user *)(unsigned long) | |
3271 | (arg->prop_values_ptr); | |
3272 | for (i = 0; i < props_count; i++) { | |
3273 | if (put_user(obj->properties->ids[i], | |
3274 | props_ptr + copied)) { | |
3275 | ret = -EFAULT; | |
3276 | goto out; | |
3277 | } | |
3278 | if (put_user(obj->properties->values[i], | |
3279 | prop_values_ptr + copied)) { | |
3280 | ret = -EFAULT; | |
3281 | goto out; | |
3282 | } | |
3283 | copied++; | |
3284 | } | |
3285 | } | |
3286 | arg->count_props = props_count; | |
3287 | out: | |
84849903 | 3288 | drm_modeset_unlock_all(dev); |
c543188a PZ |
3289 | return ret; |
3290 | } | |
3291 | ||
3292 | int drm_mode_obj_set_property_ioctl(struct drm_device *dev, void *data, | |
3293 | struct drm_file *file_priv) | |
3294 | { | |
3295 | struct drm_mode_obj_set_property *arg = data; | |
3296 | struct drm_mode_object *arg_obj; | |
3297 | struct drm_mode_object *prop_obj; | |
3298 | struct drm_property *property; | |
3299 | int ret = -EINVAL; | |
3300 | int i; | |
3301 | ||
3302 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) | |
3303 | return -EINVAL; | |
3304 | ||
84849903 | 3305 | drm_modeset_lock_all(dev); |
c543188a PZ |
3306 | |
3307 | arg_obj = drm_mode_object_find(dev, arg->obj_id, arg->obj_type); | |
3308 | if (!arg_obj) | |
3309 | goto out; | |
3310 | if (!arg_obj->properties) | |
3311 | goto out; | |
3312 | ||
7f88a9be | 3313 | for (i = 0; i < arg_obj->properties->count; i++) |
c543188a PZ |
3314 | if (arg_obj->properties->ids[i] == arg->prop_id) |
3315 | break; | |
3316 | ||
7f88a9be | 3317 | if (i == arg_obj->properties->count) |
c543188a PZ |
3318 | goto out; |
3319 | ||
3320 | prop_obj = drm_mode_object_find(dev, arg->prop_id, | |
3321 | DRM_MODE_OBJECT_PROPERTY); | |
3322 | if (!prop_obj) | |
3323 | goto out; | |
3324 | property = obj_to_property(prop_obj); | |
3325 | ||
3326 | if (!drm_property_change_is_valid(property, arg->value)) | |
3327 | goto out; | |
3328 | ||
3329 | switch (arg_obj->type) { | |
3330 | case DRM_MODE_OBJECT_CONNECTOR: | |
3331 | ret = drm_mode_connector_set_obj_prop(arg_obj, property, | |
3332 | arg->value); | |
3333 | break; | |
bffd9de0 PZ |
3334 | case DRM_MODE_OBJECT_CRTC: |
3335 | ret = drm_mode_crtc_set_obj_prop(arg_obj, property, arg->value); | |
3336 | break; | |
4d93914a RC |
3337 | case DRM_MODE_OBJECT_PLANE: |
3338 | ret = drm_mode_plane_set_obj_prop(arg_obj, property, arg->value); | |
3339 | break; | |
c543188a PZ |
3340 | } |
3341 | ||
3342 | out: | |
84849903 | 3343 | drm_modeset_unlock_all(dev); |
c543188a PZ |
3344 | return ret; |
3345 | } | |
3346 | ||
f453ba04 DA |
3347 | int drm_mode_connector_attach_encoder(struct drm_connector *connector, |
3348 | struct drm_encoder *encoder) | |
3349 | { | |
3350 | int i; | |
3351 | ||
3352 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { | |
3353 | if (connector->encoder_ids[i] == 0) { | |
3354 | connector->encoder_ids[i] = encoder->base.id; | |
3355 | return 0; | |
3356 | } | |
3357 | } | |
3358 | return -ENOMEM; | |
3359 | } | |
3360 | EXPORT_SYMBOL(drm_mode_connector_attach_encoder); | |
3361 | ||
3362 | void drm_mode_connector_detach_encoder(struct drm_connector *connector, | |
3363 | struct drm_encoder *encoder) | |
3364 | { | |
3365 | int i; | |
3366 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { | |
3367 | if (connector->encoder_ids[i] == encoder->base.id) { | |
3368 | connector->encoder_ids[i] = 0; | |
3369 | if (connector->encoder == encoder) | |
3370 | connector->encoder = NULL; | |
3371 | break; | |
3372 | } | |
3373 | } | |
3374 | } | |
3375 | EXPORT_SYMBOL(drm_mode_connector_detach_encoder); | |
3376 | ||
4cae5b84 | 3377 | int drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc, |
f453ba04 DA |
3378 | int gamma_size) |
3379 | { | |
3380 | crtc->gamma_size = gamma_size; | |
3381 | ||
3382 | crtc->gamma_store = kzalloc(gamma_size * sizeof(uint16_t) * 3, GFP_KERNEL); | |
3383 | if (!crtc->gamma_store) { | |
3384 | crtc->gamma_size = 0; | |
4cae5b84 | 3385 | return -ENOMEM; |
f453ba04 DA |
3386 | } |
3387 | ||
4cae5b84 | 3388 | return 0; |
f453ba04 DA |
3389 | } |
3390 | EXPORT_SYMBOL(drm_mode_crtc_set_gamma_size); | |
3391 | ||
3392 | int drm_mode_gamma_set_ioctl(struct drm_device *dev, | |
3393 | void *data, struct drm_file *file_priv) | |
3394 | { | |
3395 | struct drm_mode_crtc_lut *crtc_lut = data; | |
3396 | struct drm_mode_object *obj; | |
3397 | struct drm_crtc *crtc; | |
3398 | void *r_base, *g_base, *b_base; | |
3399 | int size; | |
3400 | int ret = 0; | |
3401 | ||
fb3b06c8 DA |
3402 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
3403 | return -EINVAL; | |
3404 | ||
84849903 | 3405 | drm_modeset_lock_all(dev); |
f453ba04 DA |
3406 | obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC); |
3407 | if (!obj) { | |
3408 | ret = -EINVAL; | |
3409 | goto out; | |
3410 | } | |
3411 | crtc = obj_to_crtc(obj); | |
3412 | ||
ebe0f244 LP |
3413 | if (crtc->funcs->gamma_set == NULL) { |
3414 | ret = -ENOSYS; | |
3415 | goto out; | |
3416 | } | |
3417 | ||
f453ba04 DA |
3418 | /* memcpy into gamma store */ |
3419 | if (crtc_lut->gamma_size != crtc->gamma_size) { | |
3420 | ret = -EINVAL; | |
3421 | goto out; | |
3422 | } | |
3423 | ||
3424 | size = crtc_lut->gamma_size * (sizeof(uint16_t)); | |
3425 | r_base = crtc->gamma_store; | |
3426 | if (copy_from_user(r_base, (void __user *)(unsigned long)crtc_lut->red, size)) { | |
3427 | ret = -EFAULT; | |
3428 | goto out; | |
3429 | } | |
3430 | ||
3431 | g_base = r_base + size; | |
3432 | if (copy_from_user(g_base, (void __user *)(unsigned long)crtc_lut->green, size)) { | |
3433 | ret = -EFAULT; | |
3434 | goto out; | |
3435 | } | |
3436 | ||
3437 | b_base = g_base + size; | |
3438 | if (copy_from_user(b_base, (void __user *)(unsigned long)crtc_lut->blue, size)) { | |
3439 | ret = -EFAULT; | |
3440 | goto out; | |
3441 | } | |
3442 | ||
7203425a | 3443 | crtc->funcs->gamma_set(crtc, r_base, g_base, b_base, 0, crtc->gamma_size); |
f453ba04 DA |
3444 | |
3445 | out: | |
84849903 | 3446 | drm_modeset_unlock_all(dev); |
f453ba04 DA |
3447 | return ret; |
3448 | ||
3449 | } | |
3450 | ||
3451 | int drm_mode_gamma_get_ioctl(struct drm_device *dev, | |
3452 | void *data, struct drm_file *file_priv) | |
3453 | { | |
3454 | struct drm_mode_crtc_lut *crtc_lut = data; | |
3455 | struct drm_mode_object *obj; | |
3456 | struct drm_crtc *crtc; | |
3457 | void *r_base, *g_base, *b_base; | |
3458 | int size; | |
3459 | int ret = 0; | |
3460 | ||
fb3b06c8 DA |
3461 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
3462 | return -EINVAL; | |
3463 | ||
84849903 | 3464 | drm_modeset_lock_all(dev); |
f453ba04 DA |
3465 | obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC); |
3466 | if (!obj) { | |
3467 | ret = -EINVAL; | |
3468 | goto out; | |
3469 | } | |
3470 | crtc = obj_to_crtc(obj); | |
3471 | ||
3472 | /* memcpy into gamma store */ | |
3473 | if (crtc_lut->gamma_size != crtc->gamma_size) { | |
3474 | ret = -EINVAL; | |
3475 | goto out; | |
3476 | } | |
3477 | ||
3478 | size = crtc_lut->gamma_size * (sizeof(uint16_t)); | |
3479 | r_base = crtc->gamma_store; | |
3480 | if (copy_to_user((void __user *)(unsigned long)crtc_lut->red, r_base, size)) { | |
3481 | ret = -EFAULT; | |
3482 | goto out; | |
3483 | } | |
3484 | ||
3485 | g_base = r_base + size; | |
3486 | if (copy_to_user((void __user *)(unsigned long)crtc_lut->green, g_base, size)) { | |
3487 | ret = -EFAULT; | |
3488 | goto out; | |
3489 | } | |
3490 | ||
3491 | b_base = g_base + size; | |
3492 | if (copy_to_user((void __user *)(unsigned long)crtc_lut->blue, b_base, size)) { | |
3493 | ret = -EFAULT; | |
3494 | goto out; | |
3495 | } | |
3496 | out: | |
84849903 | 3497 | drm_modeset_unlock_all(dev); |
f453ba04 DA |
3498 | return ret; |
3499 | } | |
d91d8a3f KH |
3500 | |
3501 | int drm_mode_page_flip_ioctl(struct drm_device *dev, | |
3502 | void *data, struct drm_file *file_priv) | |
3503 | { | |
3504 | struct drm_mode_crtc_page_flip *page_flip = data; | |
3505 | struct drm_mode_object *obj; | |
3506 | struct drm_crtc *crtc; | |
b0d12325 | 3507 | struct drm_framebuffer *fb = NULL, *old_fb = NULL; |
d91d8a3f KH |
3508 | struct drm_pending_vblank_event *e = NULL; |
3509 | unsigned long flags; | |
7c80e128 | 3510 | int hdisplay, vdisplay; |
d91d8a3f KH |
3511 | int ret = -EINVAL; |
3512 | ||
3513 | if (page_flip->flags & ~DRM_MODE_PAGE_FLIP_FLAGS || | |
3514 | page_flip->reserved != 0) | |
3515 | return -EINVAL; | |
3516 | ||
d91d8a3f KH |
3517 | obj = drm_mode_object_find(dev, page_flip->crtc_id, DRM_MODE_OBJECT_CRTC); |
3518 | if (!obj) | |
b4d5e7d1 | 3519 | return -EINVAL; |
d91d8a3f KH |
3520 | crtc = obj_to_crtc(obj); |
3521 | ||
b4d5e7d1 | 3522 | mutex_lock(&crtc->mutex); |
90c1efdd CW |
3523 | if (crtc->fb == NULL) { |
3524 | /* The framebuffer is currently unbound, presumably | |
3525 | * due to a hotplug event, that userspace has not | |
3526 | * yet discovered. | |
3527 | */ | |
3528 | ret = -EBUSY; | |
3529 | goto out; | |
3530 | } | |
3531 | ||
d91d8a3f KH |
3532 | if (crtc->funcs->page_flip == NULL) |
3533 | goto out; | |
3534 | ||
786b99ed DV |
3535 | fb = drm_framebuffer_lookup(dev, page_flip->fb_id); |
3536 | if (!fb) | |
d91d8a3f | 3537 | goto out; |
d91d8a3f | 3538 | |
7c80e128 RC |
3539 | hdisplay = crtc->mode.hdisplay; |
3540 | vdisplay = crtc->mode.vdisplay; | |
3541 | ||
3542 | if (crtc->invert_dimensions) | |
3543 | swap(hdisplay, vdisplay); | |
3544 | ||
3545 | if (hdisplay > fb->width || | |
3546 | vdisplay > fb->height || | |
3547 | crtc->x > fb->width - hdisplay || | |
3548 | crtc->y > fb->height - vdisplay) { | |
3549 | DRM_DEBUG_KMS("Invalid fb size %ux%u for CRTC viewport %ux%u+%d+%d%s.\n", | |
3550 | fb->width, fb->height, hdisplay, vdisplay, crtc->x, crtc->y, | |
3551 | crtc->invert_dimensions ? " (inverted)" : ""); | |
5f61bb42 VS |
3552 | ret = -ENOSPC; |
3553 | goto out; | |
3554 | } | |
3555 | ||
909d9cda LP |
3556 | if (crtc->fb->pixel_format != fb->pixel_format) { |
3557 | DRM_DEBUG_KMS("Page flip is not allowed to change frame buffer format.\n"); | |
3558 | ret = -EINVAL; | |
3559 | goto out; | |
3560 | } | |
3561 | ||
d91d8a3f KH |
3562 | if (page_flip->flags & DRM_MODE_PAGE_FLIP_EVENT) { |
3563 | ret = -ENOMEM; | |
3564 | spin_lock_irqsave(&dev->event_lock, flags); | |
3565 | if (file_priv->event_space < sizeof e->event) { | |
3566 | spin_unlock_irqrestore(&dev->event_lock, flags); | |
3567 | goto out; | |
3568 | } | |
3569 | file_priv->event_space -= sizeof e->event; | |
3570 | spin_unlock_irqrestore(&dev->event_lock, flags); | |
3571 | ||
3572 | e = kzalloc(sizeof *e, GFP_KERNEL); | |
3573 | if (e == NULL) { | |
3574 | spin_lock_irqsave(&dev->event_lock, flags); | |
3575 | file_priv->event_space += sizeof e->event; | |
3576 | spin_unlock_irqrestore(&dev->event_lock, flags); | |
3577 | goto out; | |
3578 | } | |
3579 | ||
7bd4d7be | 3580 | e->event.base.type = DRM_EVENT_FLIP_COMPLETE; |
d91d8a3f KH |
3581 | e->event.base.length = sizeof e->event; |
3582 | e->event.user_data = page_flip->user_data; | |
3583 | e->base.event = &e->event.base; | |
3584 | e->base.file_priv = file_priv; | |
3585 | e->base.destroy = | |
3586 | (void (*) (struct drm_pending_event *)) kfree; | |
3587 | } | |
3588 | ||
b0d12325 | 3589 | old_fb = crtc->fb; |
d91d8a3f KH |
3590 | ret = crtc->funcs->page_flip(crtc, fb, e); |
3591 | if (ret) { | |
aef6a7ee JS |
3592 | if (page_flip->flags & DRM_MODE_PAGE_FLIP_EVENT) { |
3593 | spin_lock_irqsave(&dev->event_lock, flags); | |
3594 | file_priv->event_space += sizeof e->event; | |
3595 | spin_unlock_irqrestore(&dev->event_lock, flags); | |
3596 | kfree(e); | |
3597 | } | |
b0d12325 DV |
3598 | /* Keep the old fb, don't unref it. */ |
3599 | old_fb = NULL; | |
3600 | } else { | |
8cf1e981 TR |
3601 | /* |
3602 | * Warn if the driver hasn't properly updated the crtc->fb | |
3603 | * field to reflect that the new framebuffer is now used. | |
3604 | * Failing to do so will screw with the reference counting | |
3605 | * on framebuffers. | |
3606 | */ | |
3607 | WARN_ON(crtc->fb != fb); | |
b0d12325 DV |
3608 | /* Unref only the old framebuffer. */ |
3609 | fb = NULL; | |
d91d8a3f KH |
3610 | } |
3611 | ||
3612 | out: | |
b0d12325 DV |
3613 | if (fb) |
3614 | drm_framebuffer_unreference(fb); | |
3615 | if (old_fb) | |
3616 | drm_framebuffer_unreference(old_fb); | |
b4d5e7d1 DV |
3617 | mutex_unlock(&crtc->mutex); |
3618 | ||
d91d8a3f KH |
3619 | return ret; |
3620 | } | |
eb033556 CW |
3621 | |
3622 | void drm_mode_config_reset(struct drm_device *dev) | |
3623 | { | |
3624 | struct drm_crtc *crtc; | |
3625 | struct drm_encoder *encoder; | |
3626 | struct drm_connector *connector; | |
3627 | ||
3628 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) | |
3629 | if (crtc->funcs->reset) | |
3630 | crtc->funcs->reset(crtc); | |
3631 | ||
3632 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) | |
3633 | if (encoder->funcs->reset) | |
3634 | encoder->funcs->reset(encoder); | |
3635 | ||
5e2cb2f6 DV |
3636 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { |
3637 | connector->status = connector_status_unknown; | |
3638 | ||
eb033556 CW |
3639 | if (connector->funcs->reset) |
3640 | connector->funcs->reset(connector); | |
5e2cb2f6 | 3641 | } |
eb033556 CW |
3642 | } |
3643 | EXPORT_SYMBOL(drm_mode_config_reset); | |
ff72145b DA |
3644 | |
3645 | int drm_mode_create_dumb_ioctl(struct drm_device *dev, | |
3646 | void *data, struct drm_file *file_priv) | |
3647 | { | |
3648 | struct drm_mode_create_dumb *args = data; | |
3649 | ||
3650 | if (!dev->driver->dumb_create) | |
3651 | return -ENOSYS; | |
3652 | return dev->driver->dumb_create(file_priv, dev, args); | |
3653 | } | |
3654 | ||
3655 | int drm_mode_mmap_dumb_ioctl(struct drm_device *dev, | |
3656 | void *data, struct drm_file *file_priv) | |
3657 | { | |
3658 | struct drm_mode_map_dumb *args = data; | |
3659 | ||
3660 | /* call driver ioctl to get mmap offset */ | |
3661 | if (!dev->driver->dumb_map_offset) | |
3662 | return -ENOSYS; | |
3663 | ||
3664 | return dev->driver->dumb_map_offset(file_priv, dev, args->handle, &args->offset); | |
3665 | } | |
3666 | ||
3667 | int drm_mode_destroy_dumb_ioctl(struct drm_device *dev, | |
3668 | void *data, struct drm_file *file_priv) | |
3669 | { | |
3670 | struct drm_mode_destroy_dumb *args = data; | |
3671 | ||
3672 | if (!dev->driver->dumb_destroy) | |
3673 | return -ENOSYS; | |
3674 | ||
3675 | return dev->driver->dumb_destroy(file_priv, dev, args->handle); | |
3676 | } | |
248dbc23 DA |
3677 | |
3678 | /* | |
3679 | * Just need to support RGB formats here for compat with code that doesn't | |
3680 | * use pixel formats directly yet. | |
3681 | */ | |
3682 | void drm_fb_get_bpp_depth(uint32_t format, unsigned int *depth, | |
3683 | int *bpp) | |
3684 | { | |
3685 | switch (format) { | |
c51a6bc5 | 3686 | case DRM_FORMAT_C8: |
04b3924d VS |
3687 | case DRM_FORMAT_RGB332: |
3688 | case DRM_FORMAT_BGR233: | |
248dbc23 DA |
3689 | *depth = 8; |
3690 | *bpp = 8; | |
3691 | break; | |
04b3924d VS |
3692 | case DRM_FORMAT_XRGB1555: |
3693 | case DRM_FORMAT_XBGR1555: | |
3694 | case DRM_FORMAT_RGBX5551: | |
3695 | case DRM_FORMAT_BGRX5551: | |
3696 | case DRM_FORMAT_ARGB1555: | |
3697 | case DRM_FORMAT_ABGR1555: | |
3698 | case DRM_FORMAT_RGBA5551: | |
3699 | case DRM_FORMAT_BGRA5551: | |
248dbc23 DA |
3700 | *depth = 15; |
3701 | *bpp = 16; | |
3702 | break; | |
04b3924d VS |
3703 | case DRM_FORMAT_RGB565: |
3704 | case DRM_FORMAT_BGR565: | |
248dbc23 DA |
3705 | *depth = 16; |
3706 | *bpp = 16; | |
3707 | break; | |
04b3924d VS |
3708 | case DRM_FORMAT_RGB888: |
3709 | case DRM_FORMAT_BGR888: | |
3710 | *depth = 24; | |
3711 | *bpp = 24; | |
3712 | break; | |
3713 | case DRM_FORMAT_XRGB8888: | |
3714 | case DRM_FORMAT_XBGR8888: | |
3715 | case DRM_FORMAT_RGBX8888: | |
3716 | case DRM_FORMAT_BGRX8888: | |
248dbc23 DA |
3717 | *depth = 24; |
3718 | *bpp = 32; | |
3719 | break; | |
04b3924d VS |
3720 | case DRM_FORMAT_XRGB2101010: |
3721 | case DRM_FORMAT_XBGR2101010: | |
3722 | case DRM_FORMAT_RGBX1010102: | |
3723 | case DRM_FORMAT_BGRX1010102: | |
3724 | case DRM_FORMAT_ARGB2101010: | |
3725 | case DRM_FORMAT_ABGR2101010: | |
3726 | case DRM_FORMAT_RGBA1010102: | |
3727 | case DRM_FORMAT_BGRA1010102: | |
248dbc23 DA |
3728 | *depth = 30; |
3729 | *bpp = 32; | |
3730 | break; | |
04b3924d VS |
3731 | case DRM_FORMAT_ARGB8888: |
3732 | case DRM_FORMAT_ABGR8888: | |
3733 | case DRM_FORMAT_RGBA8888: | |
3734 | case DRM_FORMAT_BGRA8888: | |
248dbc23 DA |
3735 | *depth = 32; |
3736 | *bpp = 32; | |
3737 | break; | |
3738 | default: | |
3739 | DRM_DEBUG_KMS("unsupported pixel format\n"); | |
3740 | *depth = 0; | |
3741 | *bpp = 0; | |
3742 | break; | |
3743 | } | |
3744 | } | |
3745 | EXPORT_SYMBOL(drm_fb_get_bpp_depth); | |
141670e9 VS |
3746 | |
3747 | /** | |
3748 | * drm_format_num_planes - get the number of planes for format | |
3749 | * @format: pixel format (DRM_FORMAT_*) | |
3750 | * | |
3751 | * RETURNS: | |
3752 | * The number of planes used by the specified pixel format. | |
3753 | */ | |
3754 | int drm_format_num_planes(uint32_t format) | |
3755 | { | |
3756 | switch (format) { | |
3757 | case DRM_FORMAT_YUV410: | |
3758 | case DRM_FORMAT_YVU410: | |
3759 | case DRM_FORMAT_YUV411: | |
3760 | case DRM_FORMAT_YVU411: | |
3761 | case DRM_FORMAT_YUV420: | |
3762 | case DRM_FORMAT_YVU420: | |
3763 | case DRM_FORMAT_YUV422: | |
3764 | case DRM_FORMAT_YVU422: | |
3765 | case DRM_FORMAT_YUV444: | |
3766 | case DRM_FORMAT_YVU444: | |
3767 | return 3; | |
3768 | case DRM_FORMAT_NV12: | |
3769 | case DRM_FORMAT_NV21: | |
3770 | case DRM_FORMAT_NV16: | |
3771 | case DRM_FORMAT_NV61: | |
ba623f6a LP |
3772 | case DRM_FORMAT_NV24: |
3773 | case DRM_FORMAT_NV42: | |
141670e9 VS |
3774 | return 2; |
3775 | default: | |
3776 | return 1; | |
3777 | } | |
3778 | } | |
3779 | EXPORT_SYMBOL(drm_format_num_planes); | |
5a86bd55 VS |
3780 | |
3781 | /** | |
3782 | * drm_format_plane_cpp - determine the bytes per pixel value | |
3783 | * @format: pixel format (DRM_FORMAT_*) | |
3784 | * @plane: plane index | |
3785 | * | |
3786 | * RETURNS: | |
3787 | * The bytes per pixel value for the specified plane. | |
3788 | */ | |
3789 | int drm_format_plane_cpp(uint32_t format, int plane) | |
3790 | { | |
3791 | unsigned int depth; | |
3792 | int bpp; | |
3793 | ||
3794 | if (plane >= drm_format_num_planes(format)) | |
3795 | return 0; | |
3796 | ||
3797 | switch (format) { | |
3798 | case DRM_FORMAT_YUYV: | |
3799 | case DRM_FORMAT_YVYU: | |
3800 | case DRM_FORMAT_UYVY: | |
3801 | case DRM_FORMAT_VYUY: | |
3802 | return 2; | |
3803 | case DRM_FORMAT_NV12: | |
3804 | case DRM_FORMAT_NV21: | |
3805 | case DRM_FORMAT_NV16: | |
3806 | case DRM_FORMAT_NV61: | |
ba623f6a LP |
3807 | case DRM_FORMAT_NV24: |
3808 | case DRM_FORMAT_NV42: | |
5a86bd55 VS |
3809 | return plane ? 2 : 1; |
3810 | case DRM_FORMAT_YUV410: | |
3811 | case DRM_FORMAT_YVU410: | |
3812 | case DRM_FORMAT_YUV411: | |
3813 | case DRM_FORMAT_YVU411: | |
3814 | case DRM_FORMAT_YUV420: | |
3815 | case DRM_FORMAT_YVU420: | |
3816 | case DRM_FORMAT_YUV422: | |
3817 | case DRM_FORMAT_YVU422: | |
3818 | case DRM_FORMAT_YUV444: | |
3819 | case DRM_FORMAT_YVU444: | |
3820 | return 1; | |
3821 | default: | |
3822 | drm_fb_get_bpp_depth(format, &depth, &bpp); | |
3823 | return bpp >> 3; | |
3824 | } | |
3825 | } | |
3826 | EXPORT_SYMBOL(drm_format_plane_cpp); | |
01b68b04 VS |
3827 | |
3828 | /** | |
3829 | * drm_format_horz_chroma_subsampling - get the horizontal chroma subsampling factor | |
3830 | * @format: pixel format (DRM_FORMAT_*) | |
3831 | * | |
3832 | * RETURNS: | |
3833 | * The horizontal chroma subsampling factor for the | |
3834 | * specified pixel format. | |
3835 | */ | |
3836 | int drm_format_horz_chroma_subsampling(uint32_t format) | |
3837 | { | |
3838 | switch (format) { | |
3839 | case DRM_FORMAT_YUV411: | |
3840 | case DRM_FORMAT_YVU411: | |
3841 | case DRM_FORMAT_YUV410: | |
3842 | case DRM_FORMAT_YVU410: | |
3843 | return 4; | |
3844 | case DRM_FORMAT_YUYV: | |
3845 | case DRM_FORMAT_YVYU: | |
3846 | case DRM_FORMAT_UYVY: | |
3847 | case DRM_FORMAT_VYUY: | |
3848 | case DRM_FORMAT_NV12: | |
3849 | case DRM_FORMAT_NV21: | |
3850 | case DRM_FORMAT_NV16: | |
3851 | case DRM_FORMAT_NV61: | |
3852 | case DRM_FORMAT_YUV422: | |
3853 | case DRM_FORMAT_YVU422: | |
3854 | case DRM_FORMAT_YUV420: | |
3855 | case DRM_FORMAT_YVU420: | |
3856 | return 2; | |
3857 | default: | |
3858 | return 1; | |
3859 | } | |
3860 | } | |
3861 | EXPORT_SYMBOL(drm_format_horz_chroma_subsampling); | |
3862 | ||
3863 | /** | |
3864 | * drm_format_vert_chroma_subsampling - get the vertical chroma subsampling factor | |
3865 | * @format: pixel format (DRM_FORMAT_*) | |
3866 | * | |
3867 | * RETURNS: | |
3868 | * The vertical chroma subsampling factor for the | |
3869 | * specified pixel format. | |
3870 | */ | |
3871 | int drm_format_vert_chroma_subsampling(uint32_t format) | |
3872 | { | |
3873 | switch (format) { | |
3874 | case DRM_FORMAT_YUV410: | |
3875 | case DRM_FORMAT_YVU410: | |
3876 | return 4; | |
3877 | case DRM_FORMAT_YUV420: | |
3878 | case DRM_FORMAT_YVU420: | |
3879 | case DRM_FORMAT_NV12: | |
3880 | case DRM_FORMAT_NV21: | |
3881 | return 2; | |
3882 | default: | |
3883 | return 1; | |
3884 | } | |
3885 | } | |
3886 | EXPORT_SYMBOL(drm_format_vert_chroma_subsampling); | |
87d24fc3 LP |
3887 | |
3888 | /** | |
3889 | * drm_mode_config_init - initialize DRM mode_configuration structure | |
3890 | * @dev: DRM device | |
3891 | * | |
3892 | * Initialize @dev's mode_config structure, used for tracking the graphics | |
3893 | * configuration of @dev. | |
3894 | * | |
3895 | * Since this initializes the modeset locks, no locking is possible. Which is no | |
3896 | * problem, since this should happen single threaded at init time. It is the | |
3897 | * driver's problem to ensure this guarantee. | |
3898 | * | |
3899 | */ | |
3900 | void drm_mode_config_init(struct drm_device *dev) | |
3901 | { | |
3902 | mutex_init(&dev->mode_config.mutex); | |
3903 | mutex_init(&dev->mode_config.idr_mutex); | |
3904 | mutex_init(&dev->mode_config.fb_lock); | |
3905 | INIT_LIST_HEAD(&dev->mode_config.fb_list); | |
3906 | INIT_LIST_HEAD(&dev->mode_config.crtc_list); | |
3907 | INIT_LIST_HEAD(&dev->mode_config.connector_list); | |
3908 | INIT_LIST_HEAD(&dev->mode_config.encoder_list); | |
3909 | INIT_LIST_HEAD(&dev->mode_config.property_list); | |
3910 | INIT_LIST_HEAD(&dev->mode_config.property_blob_list); | |
3911 | INIT_LIST_HEAD(&dev->mode_config.plane_list); | |
3912 | idr_init(&dev->mode_config.crtc_idr); | |
3913 | ||
3914 | drm_modeset_lock_all(dev); | |
3915 | drm_mode_create_standard_connector_properties(dev); | |
3916 | drm_modeset_unlock_all(dev); | |
3917 | ||
3918 | /* Just to be sure */ | |
3919 | dev->mode_config.num_fb = 0; | |
3920 | dev->mode_config.num_connector = 0; | |
3921 | dev->mode_config.num_crtc = 0; | |
3922 | dev->mode_config.num_encoder = 0; | |
3923 | } | |
3924 | EXPORT_SYMBOL(drm_mode_config_init); | |
3925 | ||
3926 | /** | |
3927 | * drm_mode_config_cleanup - free up DRM mode_config info | |
3928 | * @dev: DRM device | |
3929 | * | |
3930 | * Free up all the connectors and CRTCs associated with this DRM device, then | |
3931 | * free up the framebuffers and associated buffer objects. | |
3932 | * | |
3933 | * Note that since this /should/ happen single-threaded at driver/device | |
3934 | * teardown time, no locking is required. It's the driver's job to ensure that | |
3935 | * this guarantee actually holds true. | |
3936 | * | |
3937 | * FIXME: cleanup any dangling user buffer objects too | |
3938 | */ | |
3939 | void drm_mode_config_cleanup(struct drm_device *dev) | |
3940 | { | |
3941 | struct drm_connector *connector, *ot; | |
3942 | struct drm_crtc *crtc, *ct; | |
3943 | struct drm_encoder *encoder, *enct; | |
3944 | struct drm_framebuffer *fb, *fbt; | |
3945 | struct drm_property *property, *pt; | |
3946 | struct drm_property_blob *blob, *bt; | |
3947 | struct drm_plane *plane, *plt; | |
3948 | ||
3949 | list_for_each_entry_safe(encoder, enct, &dev->mode_config.encoder_list, | |
3950 | head) { | |
3951 | encoder->funcs->destroy(encoder); | |
3952 | } | |
3953 | ||
3954 | list_for_each_entry_safe(connector, ot, | |
3955 | &dev->mode_config.connector_list, head) { | |
3956 | connector->funcs->destroy(connector); | |
3957 | } | |
3958 | ||
3959 | list_for_each_entry_safe(property, pt, &dev->mode_config.property_list, | |
3960 | head) { | |
3961 | drm_property_destroy(dev, property); | |
3962 | } | |
3963 | ||
3964 | list_for_each_entry_safe(blob, bt, &dev->mode_config.property_blob_list, | |
3965 | head) { | |
3966 | drm_property_destroy_blob(dev, blob); | |
3967 | } | |
3968 | ||
3969 | /* | |
3970 | * Single-threaded teardown context, so it's not required to grab the | |
3971 | * fb_lock to protect against concurrent fb_list access. Contrary, it | |
3972 | * would actually deadlock with the drm_framebuffer_cleanup function. | |
3973 | * | |
3974 | * Also, if there are any framebuffers left, that's a driver leak now, | |
3975 | * so politely WARN about this. | |
3976 | */ | |
3977 | WARN_ON(!list_empty(&dev->mode_config.fb_list)); | |
3978 | list_for_each_entry_safe(fb, fbt, &dev->mode_config.fb_list, head) { | |
3979 | drm_framebuffer_remove(fb); | |
3980 | } | |
3981 | ||
3982 | list_for_each_entry_safe(plane, plt, &dev->mode_config.plane_list, | |
3983 | head) { | |
3984 | plane->funcs->destroy(plane); | |
3985 | } | |
3986 | ||
3987 | list_for_each_entry_safe(crtc, ct, &dev->mode_config.crtc_list, head) { | |
3988 | crtc->funcs->destroy(crtc); | |
3989 | } | |
3990 | ||
3991 | idr_destroy(&dev->mode_config.crtc_idr); | |
3992 | } | |
3993 | EXPORT_SYMBOL(drm_mode_config_cleanup); |