Commit | Line | Data |
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f453ba04 DA |
1 | /* |
2 | * Copyright (c) 2006-2008 Intel Corporation | |
3 | * Copyright (c) 2007 Dave Airlie <airlied@linux.ie> | |
4 | * Copyright (c) 2008 Red Hat Inc. | |
5 | * | |
6 | * DRM core CRTC related functions | |
7 | * | |
8 | * Permission to use, copy, modify, distribute, and sell this software and its | |
9 | * documentation for any purpose is hereby granted without fee, provided that | |
10 | * the above copyright notice appear in all copies and that both that copyright | |
11 | * notice and this permission notice appear in supporting documentation, and | |
12 | * that the name of the copyright holders not be used in advertising or | |
13 | * publicity pertaining to distribution of the software without specific, | |
14 | * written prior permission. The copyright holders make no representations | |
15 | * about the suitability of this software for any purpose. It is provided "as | |
16 | * is" without express or implied warranty. | |
17 | * | |
18 | * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, | |
19 | * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO | |
20 | * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR | |
21 | * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, | |
22 | * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER | |
23 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE | |
24 | * OF THIS SOFTWARE. | |
25 | * | |
26 | * Authors: | |
27 | * Keith Packard | |
28 | * Eric Anholt <eric@anholt.net> | |
29 | * Dave Airlie <airlied@linux.ie> | |
30 | * Jesse Barnes <jesse.barnes@intel.com> | |
31 | */ | |
32 | #include <linux/list.h> | |
5a0e3ad6 | 33 | #include <linux/slab.h> |
2d1a8a48 | 34 | #include <linux/export.h> |
760285e7 DH |
35 | #include <drm/drmP.h> |
36 | #include <drm/drm_crtc.h> | |
37 | #include <drm/drm_edid.h> | |
38 | #include <drm/drm_fourcc.h> | |
f453ba04 | 39 | |
84849903 DV |
40 | /** |
41 | * drm_modeset_lock_all - take all modeset locks | |
42 | * @dev: drm device | |
43 | * | |
44 | * This function takes all modeset locks, suitable where a more fine-grained | |
45 | * scheme isn't (yet) implemented. | |
46 | */ | |
47 | void drm_modeset_lock_all(struct drm_device *dev) | |
48 | { | |
29494c17 DV |
49 | struct drm_crtc *crtc; |
50 | ||
84849903 | 51 | mutex_lock(&dev->mode_config.mutex); |
29494c17 DV |
52 | |
53 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) | |
54 | mutex_lock_nest_lock(&crtc->mutex, &dev->mode_config.mutex); | |
84849903 DV |
55 | } |
56 | EXPORT_SYMBOL(drm_modeset_lock_all); | |
57 | ||
58 | /** | |
59 | * drm_modeset_unlock_all - drop all modeset locks | |
60 | * @dev: device | |
61 | */ | |
62 | void drm_modeset_unlock_all(struct drm_device *dev) | |
63 | { | |
29494c17 DV |
64 | struct drm_crtc *crtc; |
65 | ||
66 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) | |
67 | mutex_unlock(&crtc->mutex); | |
68 | ||
84849903 DV |
69 | mutex_unlock(&dev->mode_config.mutex); |
70 | } | |
71 | EXPORT_SYMBOL(drm_modeset_unlock_all); | |
72 | ||
f453ba04 DA |
73 | /* Avoid boilerplate. I'm tired of typing. */ |
74 | #define DRM_ENUM_NAME_FN(fnname, list) \ | |
75 | char *fnname(int val) \ | |
76 | { \ | |
77 | int i; \ | |
78 | for (i = 0; i < ARRAY_SIZE(list); i++) { \ | |
79 | if (list[i].type == val) \ | |
80 | return list[i].name; \ | |
81 | } \ | |
82 | return "(unknown)"; \ | |
83 | } | |
84 | ||
85 | /* | |
86 | * Global properties | |
87 | */ | |
88 | static struct drm_prop_enum_list drm_dpms_enum_list[] = | |
89 | { { DRM_MODE_DPMS_ON, "On" }, | |
90 | { DRM_MODE_DPMS_STANDBY, "Standby" }, | |
91 | { DRM_MODE_DPMS_SUSPEND, "Suspend" }, | |
92 | { DRM_MODE_DPMS_OFF, "Off" } | |
93 | }; | |
94 | ||
95 | DRM_ENUM_NAME_FN(drm_get_dpms_name, drm_dpms_enum_list) | |
96 | ||
97 | /* | |
98 | * Optional properties | |
99 | */ | |
100 | static struct drm_prop_enum_list drm_scaling_mode_enum_list[] = | |
101 | { | |
53bd8389 JB |
102 | { DRM_MODE_SCALE_NONE, "None" }, |
103 | { DRM_MODE_SCALE_FULLSCREEN, "Full" }, | |
104 | { DRM_MODE_SCALE_CENTER, "Center" }, | |
105 | { DRM_MODE_SCALE_ASPECT, "Full aspect" }, | |
f453ba04 DA |
106 | }; |
107 | ||
108 | static struct drm_prop_enum_list drm_dithering_mode_enum_list[] = | |
109 | { | |
110 | { DRM_MODE_DITHERING_OFF, "Off" }, | |
111 | { DRM_MODE_DITHERING_ON, "On" }, | |
92897b5c | 112 | { DRM_MODE_DITHERING_AUTO, "Automatic" }, |
f453ba04 DA |
113 | }; |
114 | ||
115 | /* | |
116 | * Non-global properties, but "required" for certain connectors. | |
117 | */ | |
118 | static struct drm_prop_enum_list drm_dvi_i_select_enum_list[] = | |
119 | { | |
120 | { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */ | |
121 | { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */ | |
122 | { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */ | |
123 | }; | |
124 | ||
125 | DRM_ENUM_NAME_FN(drm_get_dvi_i_select_name, drm_dvi_i_select_enum_list) | |
126 | ||
127 | static struct drm_prop_enum_list drm_dvi_i_subconnector_enum_list[] = | |
128 | { | |
129 | { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */ | |
130 | { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */ | |
131 | { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */ | |
132 | }; | |
133 | ||
134 | DRM_ENUM_NAME_FN(drm_get_dvi_i_subconnector_name, | |
135 | drm_dvi_i_subconnector_enum_list) | |
136 | ||
137 | static struct drm_prop_enum_list drm_tv_select_enum_list[] = | |
138 | { | |
139 | { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */ | |
140 | { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */ | |
141 | { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */ | |
142 | { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */ | |
aeaa1ad3 | 143 | { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */ |
f453ba04 DA |
144 | }; |
145 | ||
146 | DRM_ENUM_NAME_FN(drm_get_tv_select_name, drm_tv_select_enum_list) | |
147 | ||
148 | static struct drm_prop_enum_list drm_tv_subconnector_enum_list[] = | |
149 | { | |
150 | { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */ | |
151 | { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */ | |
152 | { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */ | |
153 | { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */ | |
aeaa1ad3 | 154 | { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */ |
f453ba04 DA |
155 | }; |
156 | ||
157 | DRM_ENUM_NAME_FN(drm_get_tv_subconnector_name, | |
158 | drm_tv_subconnector_enum_list) | |
159 | ||
884840aa JB |
160 | static struct drm_prop_enum_list drm_dirty_info_enum_list[] = { |
161 | { DRM_MODE_DIRTY_OFF, "Off" }, | |
162 | { DRM_MODE_DIRTY_ON, "On" }, | |
163 | { DRM_MODE_DIRTY_ANNOTATE, "Annotate" }, | |
164 | }; | |
165 | ||
166 | DRM_ENUM_NAME_FN(drm_get_dirty_info_name, | |
167 | drm_dirty_info_enum_list) | |
168 | ||
f453ba04 DA |
169 | struct drm_conn_prop_enum_list { |
170 | int type; | |
171 | char *name; | |
172 | int count; | |
173 | }; | |
174 | ||
175 | /* | |
176 | * Connector and encoder types. | |
177 | */ | |
178 | static struct drm_conn_prop_enum_list drm_connector_enum_list[] = | |
179 | { { DRM_MODE_CONNECTOR_Unknown, "Unknown", 0 }, | |
180 | { DRM_MODE_CONNECTOR_VGA, "VGA", 0 }, | |
181 | { DRM_MODE_CONNECTOR_DVII, "DVI-I", 0 }, | |
182 | { DRM_MODE_CONNECTOR_DVID, "DVI-D", 0 }, | |
183 | { DRM_MODE_CONNECTOR_DVIA, "DVI-A", 0 }, | |
184 | { DRM_MODE_CONNECTOR_Composite, "Composite", 0 }, | |
185 | { DRM_MODE_CONNECTOR_SVIDEO, "SVIDEO", 0 }, | |
186 | { DRM_MODE_CONNECTOR_LVDS, "LVDS", 0 }, | |
187 | { DRM_MODE_CONNECTOR_Component, "Component", 0 }, | |
e76116ca AD |
188 | { DRM_MODE_CONNECTOR_9PinDIN, "DIN", 0 }, |
189 | { DRM_MODE_CONNECTOR_DisplayPort, "DP", 0 }, | |
190 | { DRM_MODE_CONNECTOR_HDMIA, "HDMI-A", 0 }, | |
191 | { DRM_MODE_CONNECTOR_HDMIB, "HDMI-B", 0 }, | |
74bd3c26 | 192 | { DRM_MODE_CONNECTOR_TV, "TV", 0 }, |
e76116ca | 193 | { DRM_MODE_CONNECTOR_eDP, "eDP", 0 }, |
a7331e5c | 194 | { DRM_MODE_CONNECTOR_VIRTUAL, "Virtual", 0}, |
f453ba04 DA |
195 | }; |
196 | ||
197 | static struct drm_prop_enum_list drm_encoder_enum_list[] = | |
198 | { { DRM_MODE_ENCODER_NONE, "None" }, | |
199 | { DRM_MODE_ENCODER_DAC, "DAC" }, | |
200 | { DRM_MODE_ENCODER_TMDS, "TMDS" }, | |
201 | { DRM_MODE_ENCODER_LVDS, "LVDS" }, | |
202 | { DRM_MODE_ENCODER_TVDAC, "TV" }, | |
a7331e5c | 203 | { DRM_MODE_ENCODER_VIRTUAL, "Virtual" }, |
f453ba04 DA |
204 | }; |
205 | ||
206 | char *drm_get_encoder_name(struct drm_encoder *encoder) | |
207 | { | |
208 | static char buf[32]; | |
209 | ||
210 | snprintf(buf, 32, "%s-%d", | |
211 | drm_encoder_enum_list[encoder->encoder_type].name, | |
212 | encoder->base.id); | |
213 | return buf; | |
214 | } | |
13a8195b | 215 | EXPORT_SYMBOL(drm_get_encoder_name); |
f453ba04 DA |
216 | |
217 | char *drm_get_connector_name(struct drm_connector *connector) | |
218 | { | |
219 | static char buf[32]; | |
220 | ||
221 | snprintf(buf, 32, "%s-%d", | |
222 | drm_connector_enum_list[connector->connector_type].name, | |
223 | connector->connector_type_id); | |
224 | return buf; | |
225 | } | |
226 | EXPORT_SYMBOL(drm_get_connector_name); | |
227 | ||
228 | char *drm_get_connector_status_name(enum drm_connector_status status) | |
229 | { | |
230 | if (status == connector_status_connected) | |
231 | return "connected"; | |
232 | else if (status == connector_status_disconnected) | |
233 | return "disconnected"; | |
234 | else | |
235 | return "unknown"; | |
236 | } | |
237 | ||
238 | /** | |
065a50ed | 239 | * drm_mode_object_get - allocate a new modeset identifier |
f453ba04 | 240 | * @dev: DRM device |
065a50ed DV |
241 | * @obj: object pointer, used to generate unique ID |
242 | * @obj_type: object type | |
f453ba04 | 243 | * |
f453ba04 DA |
244 | * Create a unique identifier based on @ptr in @dev's identifier space. Used |
245 | * for tracking modes, CRTCs and connectors. | |
246 | * | |
247 | * RETURNS: | |
248 | * New unique (relative to other objects in @dev) integer identifier for the | |
249 | * object. | |
250 | */ | |
251 | static int drm_mode_object_get(struct drm_device *dev, | |
252 | struct drm_mode_object *obj, uint32_t obj_type) | |
253 | { | |
254 | int new_id = 0; | |
255 | int ret; | |
256 | ||
f453ba04 DA |
257 | again: |
258 | if (idr_pre_get(&dev->mode_config.crtc_idr, GFP_KERNEL) == 0) { | |
259 | DRM_ERROR("Ran out memory getting a mode number\n"); | |
f1ae126c | 260 | return -ENOMEM; |
f453ba04 DA |
261 | } |
262 | ||
ad2563c2 | 263 | mutex_lock(&dev->mode_config.idr_mutex); |
f453ba04 | 264 | ret = idr_get_new_above(&dev->mode_config.crtc_idr, obj, 1, &new_id); |
ad2563c2 | 265 | mutex_unlock(&dev->mode_config.idr_mutex); |
f453ba04 DA |
266 | if (ret == -EAGAIN) |
267 | goto again; | |
f1ae126c VS |
268 | else if (ret) |
269 | return ret; | |
f453ba04 DA |
270 | |
271 | obj->id = new_id; | |
272 | obj->type = obj_type; | |
273 | return 0; | |
274 | } | |
275 | ||
276 | /** | |
065a50ed | 277 | * drm_mode_object_put - free a modeset identifer |
f453ba04 | 278 | * @dev: DRM device |
065a50ed | 279 | * @object: object to free |
f453ba04 | 280 | * |
f453ba04 DA |
281 | * Free @id from @dev's unique identifier pool. |
282 | */ | |
283 | static void drm_mode_object_put(struct drm_device *dev, | |
284 | struct drm_mode_object *object) | |
285 | { | |
ad2563c2 | 286 | mutex_lock(&dev->mode_config.idr_mutex); |
f453ba04 | 287 | idr_remove(&dev->mode_config.crtc_idr, object->id); |
ad2563c2 | 288 | mutex_unlock(&dev->mode_config.idr_mutex); |
f453ba04 DA |
289 | } |
290 | ||
7a9c9060 DV |
291 | struct drm_mode_object *drm_mode_object_find(struct drm_device *dev, |
292 | uint32_t id, uint32_t type) | |
f453ba04 | 293 | { |
ad2563c2 | 294 | struct drm_mode_object *obj = NULL; |
f453ba04 | 295 | |
ad2563c2 | 296 | mutex_lock(&dev->mode_config.idr_mutex); |
f453ba04 DA |
297 | obj = idr_find(&dev->mode_config.crtc_idr, id); |
298 | if (!obj || (obj->type != type) || (obj->id != id)) | |
ad2563c2 JB |
299 | obj = NULL; |
300 | mutex_unlock(&dev->mode_config.idr_mutex); | |
f453ba04 DA |
301 | |
302 | return obj; | |
303 | } | |
304 | EXPORT_SYMBOL(drm_mode_object_find); | |
305 | ||
f453ba04 DA |
306 | /** |
307 | * drm_framebuffer_init - initialize a framebuffer | |
308 | * @dev: DRM device | |
065a50ed DV |
309 | * @fb: framebuffer to be initialized |
310 | * @funcs: ... with these functions | |
f453ba04 | 311 | * |
f453ba04 DA |
312 | * Allocates an ID for the framebuffer's parent mode object, sets its mode |
313 | * functions & device file and adds it to the master fd list. | |
314 | * | |
315 | * RETURNS: | |
af901ca1 | 316 | * Zero on success, error code on failure. |
f453ba04 DA |
317 | */ |
318 | int drm_framebuffer_init(struct drm_device *dev, struct drm_framebuffer *fb, | |
319 | const struct drm_framebuffer_funcs *funcs) | |
320 | { | |
321 | int ret; | |
322 | ||
f7eff60e RC |
323 | kref_init(&fb->refcount); |
324 | ||
f453ba04 | 325 | ret = drm_mode_object_get(dev, &fb->base, DRM_MODE_OBJECT_FB); |
6bfc56aa | 326 | if (ret) |
f453ba04 | 327 | return ret; |
f453ba04 DA |
328 | |
329 | fb->dev = dev; | |
330 | fb->funcs = funcs; | |
331 | dev->mode_config.num_fb++; | |
332 | list_add(&fb->head, &dev->mode_config.fb_list); | |
333 | ||
334 | return 0; | |
335 | } | |
336 | EXPORT_SYMBOL(drm_framebuffer_init); | |
337 | ||
f7eff60e RC |
338 | static void drm_framebuffer_free(struct kref *kref) |
339 | { | |
340 | struct drm_framebuffer *fb = | |
341 | container_of(kref, struct drm_framebuffer, refcount); | |
342 | fb->funcs->destroy(fb); | |
343 | } | |
344 | ||
345 | /** | |
346 | * drm_framebuffer_unreference - unref a framebuffer | |
065a50ed DV |
347 | * @fb: framebuffer to unref |
348 | * | |
349 | * This functions decrements the fb's refcount and frees it if it drops to zero. | |
f7eff60e RC |
350 | */ |
351 | void drm_framebuffer_unreference(struct drm_framebuffer *fb) | |
352 | { | |
f7eff60e | 353 | DRM_DEBUG("FB ID: %d\n", fb->base.id); |
f7eff60e RC |
354 | kref_put(&fb->refcount, drm_framebuffer_free); |
355 | } | |
356 | EXPORT_SYMBOL(drm_framebuffer_unreference); | |
357 | ||
358 | /** | |
359 | * drm_framebuffer_reference - incr the fb refcnt | |
065a50ed | 360 | * @fb: framebuffer |
f7eff60e RC |
361 | */ |
362 | void drm_framebuffer_reference(struct drm_framebuffer *fb) | |
363 | { | |
364 | DRM_DEBUG("FB ID: %d\n", fb->base.id); | |
365 | kref_get(&fb->refcount); | |
366 | } | |
367 | EXPORT_SYMBOL(drm_framebuffer_reference); | |
368 | ||
f453ba04 DA |
369 | /** |
370 | * drm_framebuffer_cleanup - remove a framebuffer object | |
371 | * @fb: framebuffer to remove | |
372 | * | |
f453ba04 DA |
373 | * Scans all the CRTCs in @dev's mode_config. If they're using @fb, removes |
374 | * it, setting it to NULL. | |
375 | */ | |
376 | void drm_framebuffer_cleanup(struct drm_framebuffer *fb) | |
f7eff60e RC |
377 | { |
378 | struct drm_device *dev = fb->dev; | |
8faf6b18 | 379 | |
f7eff60e RC |
380 | /* |
381 | * This could be moved to drm_framebuffer_remove(), but for | |
382 | * debugging is nice to keep around the list of fb's that are | |
383 | * no longer associated w/ a drm_file but are not unreferenced | |
384 | * yet. (i915 and omapdrm have debugfs files which will show | |
385 | * this.) | |
386 | */ | |
387 | drm_mode_object_put(dev, &fb->base); | |
388 | list_del(&fb->head); | |
389 | dev->mode_config.num_fb--; | |
390 | } | |
391 | EXPORT_SYMBOL(drm_framebuffer_cleanup); | |
392 | ||
393 | /** | |
394 | * drm_framebuffer_remove - remove and unreference a framebuffer object | |
395 | * @fb: framebuffer to remove | |
396 | * | |
f7eff60e RC |
397 | * Scans all the CRTCs and planes in @dev's mode_config. If they're |
398 | * using @fb, removes it, setting it to NULL. | |
399 | */ | |
400 | void drm_framebuffer_remove(struct drm_framebuffer *fb) | |
f453ba04 DA |
401 | { |
402 | struct drm_device *dev = fb->dev; | |
403 | struct drm_crtc *crtc; | |
8cf5c917 | 404 | struct drm_plane *plane; |
5ef5f72f DA |
405 | struct drm_mode_set set; |
406 | int ret; | |
f453ba04 | 407 | |
8faf6b18 DV |
408 | WARN_ON(!drm_modeset_is_locked(dev)); |
409 | ||
f453ba04 DA |
410 | /* remove from any CRTC */ |
411 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { | |
5ef5f72f DA |
412 | if (crtc->fb == fb) { |
413 | /* should turn off the crtc */ | |
414 | memset(&set, 0, sizeof(struct drm_mode_set)); | |
415 | set.crtc = crtc; | |
416 | set.fb = NULL; | |
2d13b679 | 417 | ret = drm_mode_set_config_internal(&set); |
5ef5f72f DA |
418 | if (ret) |
419 | DRM_ERROR("failed to reset crtc %p when fb was deleted\n", crtc); | |
420 | } | |
f453ba04 DA |
421 | } |
422 | ||
8cf5c917 JB |
423 | list_for_each_entry(plane, &dev->mode_config.plane_list, head) { |
424 | if (plane->fb == fb) { | |
425 | /* should turn off the crtc */ | |
426 | ret = plane->funcs->disable_plane(plane); | |
427 | if (ret) | |
428 | DRM_ERROR("failed to disable plane with busy fb\n"); | |
a9971157 RC |
429 | /* disconnect the plane from the fb and crtc: */ |
430 | plane->fb = NULL; | |
431 | plane->crtc = NULL; | |
8cf5c917 JB |
432 | } |
433 | } | |
434 | ||
f7eff60e RC |
435 | list_del(&fb->filp_head); |
436 | ||
437 | drm_framebuffer_unreference(fb); | |
f453ba04 | 438 | } |
f7eff60e | 439 | EXPORT_SYMBOL(drm_framebuffer_remove); |
f453ba04 DA |
440 | |
441 | /** | |
442 | * drm_crtc_init - Initialise a new CRTC object | |
443 | * @dev: DRM device | |
444 | * @crtc: CRTC object to init | |
445 | * @funcs: callbacks for the new CRTC | |
446 | * | |
f453ba04 | 447 | * Inits a new object created as base part of an driver crtc object. |
6bfc56aa VS |
448 | * |
449 | * RETURNS: | |
450 | * Zero on success, error code on failure. | |
f453ba04 | 451 | */ |
6bfc56aa | 452 | int drm_crtc_init(struct drm_device *dev, struct drm_crtc *crtc, |
f453ba04 DA |
453 | const struct drm_crtc_funcs *funcs) |
454 | { | |
6bfc56aa VS |
455 | int ret; |
456 | ||
f453ba04 DA |
457 | crtc->dev = dev; |
458 | crtc->funcs = funcs; | |
7c80e128 | 459 | crtc->invert_dimensions = false; |
f453ba04 | 460 | |
84849903 | 461 | drm_modeset_lock_all(dev); |
29494c17 DV |
462 | mutex_init(&crtc->mutex); |
463 | mutex_lock_nest_lock(&crtc->mutex, &dev->mode_config.mutex); | |
6bfc56aa VS |
464 | |
465 | ret = drm_mode_object_get(dev, &crtc->base, DRM_MODE_OBJECT_CRTC); | |
466 | if (ret) | |
467 | goto out; | |
f453ba04 | 468 | |
bffd9de0 PZ |
469 | crtc->base.properties = &crtc->properties; |
470 | ||
f453ba04 DA |
471 | list_add_tail(&crtc->head, &dev->mode_config.crtc_list); |
472 | dev->mode_config.num_crtc++; | |
6bfc56aa VS |
473 | |
474 | out: | |
84849903 | 475 | drm_modeset_unlock_all(dev); |
6bfc56aa VS |
476 | |
477 | return ret; | |
f453ba04 DA |
478 | } |
479 | EXPORT_SYMBOL(drm_crtc_init); | |
480 | ||
481 | /** | |
482 | * drm_crtc_cleanup - Cleans up the core crtc usage. | |
483 | * @crtc: CRTC to cleanup | |
484 | * | |
f453ba04 DA |
485 | * Cleanup @crtc. Removes from drm modesetting space |
486 | * does NOT free object, caller does that. | |
487 | */ | |
488 | void drm_crtc_cleanup(struct drm_crtc *crtc) | |
489 | { | |
490 | struct drm_device *dev = crtc->dev; | |
491 | ||
9e1c156f SK |
492 | kfree(crtc->gamma_store); |
493 | crtc->gamma_store = NULL; | |
f453ba04 DA |
494 | |
495 | drm_mode_object_put(dev, &crtc->base); | |
496 | list_del(&crtc->head); | |
497 | dev->mode_config.num_crtc--; | |
498 | } | |
499 | EXPORT_SYMBOL(drm_crtc_cleanup); | |
500 | ||
501 | /** | |
502 | * drm_mode_probed_add - add a mode to a connector's probed mode list | |
503 | * @connector: connector the new mode | |
504 | * @mode: mode data | |
505 | * | |
f453ba04 DA |
506 | * Add @mode to @connector's mode list for later use. |
507 | */ | |
508 | void drm_mode_probed_add(struct drm_connector *connector, | |
509 | struct drm_display_mode *mode) | |
510 | { | |
511 | list_add(&mode->head, &connector->probed_modes); | |
512 | } | |
513 | EXPORT_SYMBOL(drm_mode_probed_add); | |
514 | ||
515 | /** | |
516 | * drm_mode_remove - remove and free a mode | |
517 | * @connector: connector list to modify | |
518 | * @mode: mode to remove | |
519 | * | |
f453ba04 DA |
520 | * Remove @mode from @connector's mode list, then free it. |
521 | */ | |
522 | void drm_mode_remove(struct drm_connector *connector, | |
523 | struct drm_display_mode *mode) | |
524 | { | |
525 | list_del(&mode->head); | |
554f1d78 | 526 | drm_mode_destroy(connector->dev, mode); |
f453ba04 DA |
527 | } |
528 | EXPORT_SYMBOL(drm_mode_remove); | |
529 | ||
530 | /** | |
531 | * drm_connector_init - Init a preallocated connector | |
532 | * @dev: DRM device | |
533 | * @connector: the connector to init | |
534 | * @funcs: callbacks for this connector | |
065a50ed | 535 | * @connector_type: user visible type of the connector |
f453ba04 | 536 | * |
f453ba04 DA |
537 | * Initialises a preallocated connector. Connectors should be |
538 | * subclassed as part of driver connector objects. | |
6bfc56aa VS |
539 | * |
540 | * RETURNS: | |
541 | * Zero on success, error code on failure. | |
f453ba04 | 542 | */ |
6bfc56aa VS |
543 | int drm_connector_init(struct drm_device *dev, |
544 | struct drm_connector *connector, | |
545 | const struct drm_connector_funcs *funcs, | |
546 | int connector_type) | |
f453ba04 | 547 | { |
6bfc56aa VS |
548 | int ret; |
549 | ||
84849903 | 550 | drm_modeset_lock_all(dev); |
f453ba04 | 551 | |
6bfc56aa VS |
552 | ret = drm_mode_object_get(dev, &connector->base, DRM_MODE_OBJECT_CONNECTOR); |
553 | if (ret) | |
554 | goto out; | |
555 | ||
7e3bdf4a | 556 | connector->base.properties = &connector->properties; |
f453ba04 DA |
557 | connector->dev = dev; |
558 | connector->funcs = funcs; | |
f453ba04 DA |
559 | connector->connector_type = connector_type; |
560 | connector->connector_type_id = | |
561 | ++drm_connector_enum_list[connector_type].count; /* TODO */ | |
562 | INIT_LIST_HEAD(&connector->user_modes); | |
563 | INIT_LIST_HEAD(&connector->probed_modes); | |
564 | INIT_LIST_HEAD(&connector->modes); | |
565 | connector->edid_blob_ptr = NULL; | |
5e2cb2f6 | 566 | connector->status = connector_status_unknown; |
f453ba04 DA |
567 | |
568 | list_add_tail(&connector->head, &dev->mode_config.connector_list); | |
569 | dev->mode_config.num_connector++; | |
570 | ||
a7331e5c | 571 | if (connector_type != DRM_MODE_CONNECTOR_VIRTUAL) |
58495563 | 572 | drm_object_attach_property(&connector->base, |
a7331e5c TH |
573 | dev->mode_config.edid_property, |
574 | 0); | |
f453ba04 | 575 | |
58495563 | 576 | drm_object_attach_property(&connector->base, |
f453ba04 DA |
577 | dev->mode_config.dpms_property, 0); |
578 | ||
6bfc56aa | 579 | out: |
84849903 | 580 | drm_modeset_unlock_all(dev); |
6bfc56aa VS |
581 | |
582 | return ret; | |
f453ba04 DA |
583 | } |
584 | EXPORT_SYMBOL(drm_connector_init); | |
585 | ||
586 | /** | |
587 | * drm_connector_cleanup - cleans up an initialised connector | |
588 | * @connector: connector to cleanup | |
589 | * | |
f453ba04 DA |
590 | * Cleans up the connector but doesn't free the object. |
591 | */ | |
592 | void drm_connector_cleanup(struct drm_connector *connector) | |
593 | { | |
594 | struct drm_device *dev = connector->dev; | |
595 | struct drm_display_mode *mode, *t; | |
596 | ||
597 | list_for_each_entry_safe(mode, t, &connector->probed_modes, head) | |
598 | drm_mode_remove(connector, mode); | |
599 | ||
600 | list_for_each_entry_safe(mode, t, &connector->modes, head) | |
601 | drm_mode_remove(connector, mode); | |
602 | ||
603 | list_for_each_entry_safe(mode, t, &connector->user_modes, head) | |
604 | drm_mode_remove(connector, mode); | |
605 | ||
f453ba04 DA |
606 | drm_mode_object_put(dev, &connector->base); |
607 | list_del(&connector->head); | |
6380c509 | 608 | dev->mode_config.num_connector--; |
f453ba04 DA |
609 | } |
610 | EXPORT_SYMBOL(drm_connector_cleanup); | |
611 | ||
cbc7e221 DA |
612 | void drm_connector_unplug_all(struct drm_device *dev) |
613 | { | |
614 | struct drm_connector *connector; | |
615 | ||
616 | /* taking the mode config mutex ends up in a clash with sysfs */ | |
617 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) | |
618 | drm_sysfs_connector_remove(connector); | |
619 | ||
620 | } | |
621 | EXPORT_SYMBOL(drm_connector_unplug_all); | |
622 | ||
6bfc56aa | 623 | int drm_encoder_init(struct drm_device *dev, |
cbc7e221 DA |
624 | struct drm_encoder *encoder, |
625 | const struct drm_encoder_funcs *funcs, | |
626 | int encoder_type) | |
f453ba04 | 627 | { |
6bfc56aa VS |
628 | int ret; |
629 | ||
84849903 | 630 | drm_modeset_lock_all(dev); |
f453ba04 | 631 | |
6bfc56aa VS |
632 | ret = drm_mode_object_get(dev, &encoder->base, DRM_MODE_OBJECT_ENCODER); |
633 | if (ret) | |
634 | goto out; | |
f453ba04 | 635 | |
6bfc56aa | 636 | encoder->dev = dev; |
f453ba04 DA |
637 | encoder->encoder_type = encoder_type; |
638 | encoder->funcs = funcs; | |
639 | ||
640 | list_add_tail(&encoder->head, &dev->mode_config.encoder_list); | |
641 | dev->mode_config.num_encoder++; | |
642 | ||
6bfc56aa | 643 | out: |
84849903 | 644 | drm_modeset_unlock_all(dev); |
6bfc56aa VS |
645 | |
646 | return ret; | |
f453ba04 DA |
647 | } |
648 | EXPORT_SYMBOL(drm_encoder_init); | |
649 | ||
650 | void drm_encoder_cleanup(struct drm_encoder *encoder) | |
651 | { | |
652 | struct drm_device *dev = encoder->dev; | |
84849903 | 653 | drm_modeset_lock_all(dev); |
f453ba04 DA |
654 | drm_mode_object_put(dev, &encoder->base); |
655 | list_del(&encoder->head); | |
6380c509 | 656 | dev->mode_config.num_encoder--; |
84849903 | 657 | drm_modeset_unlock_all(dev); |
f453ba04 DA |
658 | } |
659 | EXPORT_SYMBOL(drm_encoder_cleanup); | |
660 | ||
8cf5c917 JB |
661 | int drm_plane_init(struct drm_device *dev, struct drm_plane *plane, |
662 | unsigned long possible_crtcs, | |
663 | const struct drm_plane_funcs *funcs, | |
0a7eb243 RC |
664 | const uint32_t *formats, uint32_t format_count, |
665 | bool priv) | |
8cf5c917 | 666 | { |
6bfc56aa VS |
667 | int ret; |
668 | ||
84849903 | 669 | drm_modeset_lock_all(dev); |
8cf5c917 | 670 | |
6bfc56aa VS |
671 | ret = drm_mode_object_get(dev, &plane->base, DRM_MODE_OBJECT_PLANE); |
672 | if (ret) | |
673 | goto out; | |
674 | ||
4d93914a | 675 | plane->base.properties = &plane->properties; |
8cf5c917 | 676 | plane->dev = dev; |
8cf5c917 JB |
677 | plane->funcs = funcs; |
678 | plane->format_types = kmalloc(sizeof(uint32_t) * format_count, | |
679 | GFP_KERNEL); | |
680 | if (!plane->format_types) { | |
681 | DRM_DEBUG_KMS("out of memory when allocating plane\n"); | |
682 | drm_mode_object_put(dev, &plane->base); | |
6bfc56aa VS |
683 | ret = -ENOMEM; |
684 | goto out; | |
8cf5c917 JB |
685 | } |
686 | ||
308e5bcb | 687 | memcpy(plane->format_types, formats, format_count * sizeof(uint32_t)); |
8cf5c917 JB |
688 | plane->format_count = format_count; |
689 | plane->possible_crtcs = possible_crtcs; | |
690 | ||
0a7eb243 RC |
691 | /* private planes are not exposed to userspace, but depending on |
692 | * display hardware, might be convenient to allow sharing programming | |
693 | * for the scanout engine with the crtc implementation. | |
694 | */ | |
695 | if (!priv) { | |
696 | list_add_tail(&plane->head, &dev->mode_config.plane_list); | |
697 | dev->mode_config.num_plane++; | |
698 | } else { | |
699 | INIT_LIST_HEAD(&plane->head); | |
700 | } | |
8cf5c917 | 701 | |
6bfc56aa | 702 | out: |
84849903 | 703 | drm_modeset_unlock_all(dev); |
8cf5c917 | 704 | |
6bfc56aa | 705 | return ret; |
8cf5c917 JB |
706 | } |
707 | EXPORT_SYMBOL(drm_plane_init); | |
708 | ||
709 | void drm_plane_cleanup(struct drm_plane *plane) | |
710 | { | |
711 | struct drm_device *dev = plane->dev; | |
712 | ||
84849903 | 713 | drm_modeset_lock_all(dev); |
8cf5c917 JB |
714 | kfree(plane->format_types); |
715 | drm_mode_object_put(dev, &plane->base); | |
0a7eb243 RC |
716 | /* if not added to a list, it must be a private plane */ |
717 | if (!list_empty(&plane->head)) { | |
718 | list_del(&plane->head); | |
719 | dev->mode_config.num_plane--; | |
720 | } | |
84849903 | 721 | drm_modeset_unlock_all(dev); |
8cf5c917 JB |
722 | } |
723 | EXPORT_SYMBOL(drm_plane_cleanup); | |
724 | ||
f453ba04 DA |
725 | /** |
726 | * drm_mode_create - create a new display mode | |
727 | * @dev: DRM device | |
728 | * | |
f453ba04 DA |
729 | * Create a new drm_display_mode, give it an ID, and return it. |
730 | * | |
731 | * RETURNS: | |
732 | * Pointer to new mode on success, NULL on error. | |
733 | */ | |
734 | struct drm_display_mode *drm_mode_create(struct drm_device *dev) | |
735 | { | |
736 | struct drm_display_mode *nmode; | |
737 | ||
738 | nmode = kzalloc(sizeof(struct drm_display_mode), GFP_KERNEL); | |
739 | if (!nmode) | |
740 | return NULL; | |
741 | ||
6bfc56aa VS |
742 | if (drm_mode_object_get(dev, &nmode->base, DRM_MODE_OBJECT_MODE)) { |
743 | kfree(nmode); | |
744 | return NULL; | |
745 | } | |
746 | ||
f453ba04 DA |
747 | return nmode; |
748 | } | |
749 | EXPORT_SYMBOL(drm_mode_create); | |
750 | ||
751 | /** | |
752 | * drm_mode_destroy - remove a mode | |
753 | * @dev: DRM device | |
754 | * @mode: mode to remove | |
755 | * | |
f453ba04 DA |
756 | * Free @mode's unique identifier, then free it. |
757 | */ | |
758 | void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode) | |
759 | { | |
ee34ab5b VS |
760 | if (!mode) |
761 | return; | |
762 | ||
f453ba04 DA |
763 | drm_mode_object_put(dev, &mode->base); |
764 | ||
765 | kfree(mode); | |
766 | } | |
767 | EXPORT_SYMBOL(drm_mode_destroy); | |
768 | ||
769 | static int drm_mode_create_standard_connector_properties(struct drm_device *dev) | |
770 | { | |
771 | struct drm_property *edid; | |
772 | struct drm_property *dpms; | |
f453ba04 DA |
773 | |
774 | /* | |
775 | * Standard properties (apply to all connectors) | |
776 | */ | |
777 | edid = drm_property_create(dev, DRM_MODE_PROP_BLOB | | |
778 | DRM_MODE_PROP_IMMUTABLE, | |
779 | "EDID", 0); | |
780 | dev->mode_config.edid_property = edid; | |
781 | ||
4a67d391 SH |
782 | dpms = drm_property_create_enum(dev, 0, |
783 | "DPMS", drm_dpms_enum_list, | |
784 | ARRAY_SIZE(drm_dpms_enum_list)); | |
f453ba04 DA |
785 | dev->mode_config.dpms_property = dpms; |
786 | ||
787 | return 0; | |
788 | } | |
789 | ||
790 | /** | |
791 | * drm_mode_create_dvi_i_properties - create DVI-I specific connector properties | |
792 | * @dev: DRM device | |
793 | * | |
794 | * Called by a driver the first time a DVI-I connector is made. | |
795 | */ | |
796 | int drm_mode_create_dvi_i_properties(struct drm_device *dev) | |
797 | { | |
798 | struct drm_property *dvi_i_selector; | |
799 | struct drm_property *dvi_i_subconnector; | |
f453ba04 DA |
800 | |
801 | if (dev->mode_config.dvi_i_select_subconnector_property) | |
802 | return 0; | |
803 | ||
804 | dvi_i_selector = | |
4a67d391 | 805 | drm_property_create_enum(dev, 0, |
f453ba04 | 806 | "select subconnector", |
4a67d391 | 807 | drm_dvi_i_select_enum_list, |
f453ba04 | 808 | ARRAY_SIZE(drm_dvi_i_select_enum_list)); |
f453ba04 DA |
809 | dev->mode_config.dvi_i_select_subconnector_property = dvi_i_selector; |
810 | ||
4a67d391 | 811 | dvi_i_subconnector = drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, |
f453ba04 | 812 | "subconnector", |
4a67d391 | 813 | drm_dvi_i_subconnector_enum_list, |
f453ba04 | 814 | ARRAY_SIZE(drm_dvi_i_subconnector_enum_list)); |
f453ba04 DA |
815 | dev->mode_config.dvi_i_subconnector_property = dvi_i_subconnector; |
816 | ||
817 | return 0; | |
818 | } | |
819 | EXPORT_SYMBOL(drm_mode_create_dvi_i_properties); | |
820 | ||
821 | /** | |
822 | * drm_create_tv_properties - create TV specific connector properties | |
823 | * @dev: DRM device | |
824 | * @num_modes: number of different TV formats (modes) supported | |
825 | * @modes: array of pointers to strings containing name of each format | |
826 | * | |
827 | * Called by a driver's TV initialization routine, this function creates | |
828 | * the TV specific connector properties for a given device. Caller is | |
829 | * responsible for allocating a list of format names and passing them to | |
830 | * this routine. | |
831 | */ | |
832 | int drm_mode_create_tv_properties(struct drm_device *dev, int num_modes, | |
833 | char *modes[]) | |
834 | { | |
835 | struct drm_property *tv_selector; | |
836 | struct drm_property *tv_subconnector; | |
837 | int i; | |
838 | ||
839 | if (dev->mode_config.tv_select_subconnector_property) | |
840 | return 0; | |
841 | ||
842 | /* | |
843 | * Basic connector properties | |
844 | */ | |
4a67d391 | 845 | tv_selector = drm_property_create_enum(dev, 0, |
f453ba04 | 846 | "select subconnector", |
4a67d391 | 847 | drm_tv_select_enum_list, |
f453ba04 | 848 | ARRAY_SIZE(drm_tv_select_enum_list)); |
f453ba04 DA |
849 | dev->mode_config.tv_select_subconnector_property = tv_selector; |
850 | ||
851 | tv_subconnector = | |
4a67d391 SH |
852 | drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, |
853 | "subconnector", | |
854 | drm_tv_subconnector_enum_list, | |
f453ba04 | 855 | ARRAY_SIZE(drm_tv_subconnector_enum_list)); |
f453ba04 DA |
856 | dev->mode_config.tv_subconnector_property = tv_subconnector; |
857 | ||
858 | /* | |
859 | * Other, TV specific properties: margins & TV modes. | |
860 | */ | |
861 | dev->mode_config.tv_left_margin_property = | |
d9bc3c02 | 862 | drm_property_create_range(dev, 0, "left margin", 0, 100); |
f453ba04 DA |
863 | |
864 | dev->mode_config.tv_right_margin_property = | |
d9bc3c02 | 865 | drm_property_create_range(dev, 0, "right margin", 0, 100); |
f453ba04 DA |
866 | |
867 | dev->mode_config.tv_top_margin_property = | |
d9bc3c02 | 868 | drm_property_create_range(dev, 0, "top margin", 0, 100); |
f453ba04 DA |
869 | |
870 | dev->mode_config.tv_bottom_margin_property = | |
d9bc3c02 | 871 | drm_property_create_range(dev, 0, "bottom margin", 0, 100); |
f453ba04 DA |
872 | |
873 | dev->mode_config.tv_mode_property = | |
874 | drm_property_create(dev, DRM_MODE_PROP_ENUM, | |
875 | "mode", num_modes); | |
876 | for (i = 0; i < num_modes; i++) | |
877 | drm_property_add_enum(dev->mode_config.tv_mode_property, i, | |
878 | i, modes[i]); | |
879 | ||
b6b7902e | 880 | dev->mode_config.tv_brightness_property = |
d9bc3c02 | 881 | drm_property_create_range(dev, 0, "brightness", 0, 100); |
b6b7902e FJ |
882 | |
883 | dev->mode_config.tv_contrast_property = | |
d9bc3c02 | 884 | drm_property_create_range(dev, 0, "contrast", 0, 100); |
b6b7902e FJ |
885 | |
886 | dev->mode_config.tv_flicker_reduction_property = | |
d9bc3c02 | 887 | drm_property_create_range(dev, 0, "flicker reduction", 0, 100); |
b6b7902e | 888 | |
a75f0236 | 889 | dev->mode_config.tv_overscan_property = |
d9bc3c02 | 890 | drm_property_create_range(dev, 0, "overscan", 0, 100); |
a75f0236 FJ |
891 | |
892 | dev->mode_config.tv_saturation_property = | |
d9bc3c02 | 893 | drm_property_create_range(dev, 0, "saturation", 0, 100); |
a75f0236 FJ |
894 | |
895 | dev->mode_config.tv_hue_property = | |
d9bc3c02 | 896 | drm_property_create_range(dev, 0, "hue", 0, 100); |
a75f0236 | 897 | |
f453ba04 DA |
898 | return 0; |
899 | } | |
900 | EXPORT_SYMBOL(drm_mode_create_tv_properties); | |
901 | ||
902 | /** | |
903 | * drm_mode_create_scaling_mode_property - create scaling mode property | |
904 | * @dev: DRM device | |
905 | * | |
906 | * Called by a driver the first time it's needed, must be attached to desired | |
907 | * connectors. | |
908 | */ | |
909 | int drm_mode_create_scaling_mode_property(struct drm_device *dev) | |
910 | { | |
911 | struct drm_property *scaling_mode; | |
f453ba04 DA |
912 | |
913 | if (dev->mode_config.scaling_mode_property) | |
914 | return 0; | |
915 | ||
916 | scaling_mode = | |
4a67d391 SH |
917 | drm_property_create_enum(dev, 0, "scaling mode", |
918 | drm_scaling_mode_enum_list, | |
f453ba04 | 919 | ARRAY_SIZE(drm_scaling_mode_enum_list)); |
f453ba04 DA |
920 | |
921 | dev->mode_config.scaling_mode_property = scaling_mode; | |
922 | ||
923 | return 0; | |
924 | } | |
925 | EXPORT_SYMBOL(drm_mode_create_scaling_mode_property); | |
926 | ||
927 | /** | |
928 | * drm_mode_create_dithering_property - create dithering property | |
929 | * @dev: DRM device | |
930 | * | |
931 | * Called by a driver the first time it's needed, must be attached to desired | |
932 | * connectors. | |
933 | */ | |
934 | int drm_mode_create_dithering_property(struct drm_device *dev) | |
935 | { | |
936 | struct drm_property *dithering_mode; | |
f453ba04 DA |
937 | |
938 | if (dev->mode_config.dithering_mode_property) | |
939 | return 0; | |
940 | ||
941 | dithering_mode = | |
4a67d391 SH |
942 | drm_property_create_enum(dev, 0, "dithering", |
943 | drm_dithering_mode_enum_list, | |
f453ba04 | 944 | ARRAY_SIZE(drm_dithering_mode_enum_list)); |
f453ba04 DA |
945 | dev->mode_config.dithering_mode_property = dithering_mode; |
946 | ||
947 | return 0; | |
948 | } | |
949 | EXPORT_SYMBOL(drm_mode_create_dithering_property); | |
950 | ||
884840aa JB |
951 | /** |
952 | * drm_mode_create_dirty_property - create dirty property | |
953 | * @dev: DRM device | |
954 | * | |
955 | * Called by a driver the first time it's needed, must be attached to desired | |
956 | * connectors. | |
957 | */ | |
958 | int drm_mode_create_dirty_info_property(struct drm_device *dev) | |
959 | { | |
960 | struct drm_property *dirty_info; | |
884840aa JB |
961 | |
962 | if (dev->mode_config.dirty_info_property) | |
963 | return 0; | |
964 | ||
965 | dirty_info = | |
4a67d391 | 966 | drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, |
884840aa | 967 | "dirty", |
4a67d391 | 968 | drm_dirty_info_enum_list, |
884840aa | 969 | ARRAY_SIZE(drm_dirty_info_enum_list)); |
884840aa JB |
970 | dev->mode_config.dirty_info_property = dirty_info; |
971 | ||
972 | return 0; | |
973 | } | |
974 | EXPORT_SYMBOL(drm_mode_create_dirty_info_property); | |
975 | ||
f453ba04 DA |
976 | /** |
977 | * drm_mode_config_init - initialize DRM mode_configuration structure | |
978 | * @dev: DRM device | |
979 | * | |
f453ba04 DA |
980 | * Initialize @dev's mode_config structure, used for tracking the graphics |
981 | * configuration of @dev. | |
8faf6b18 DV |
982 | * |
983 | * Since this initializes the modeset locks, no locking is possible. Which is no | |
984 | * problem, since this should happen single threaded at init time. It is the | |
985 | * driver's problem to ensure this guarantee. | |
986 | * | |
f453ba04 DA |
987 | */ |
988 | void drm_mode_config_init(struct drm_device *dev) | |
989 | { | |
990 | mutex_init(&dev->mode_config.mutex); | |
ad2563c2 | 991 | mutex_init(&dev->mode_config.idr_mutex); |
f453ba04 | 992 | INIT_LIST_HEAD(&dev->mode_config.fb_list); |
f453ba04 DA |
993 | INIT_LIST_HEAD(&dev->mode_config.crtc_list); |
994 | INIT_LIST_HEAD(&dev->mode_config.connector_list); | |
995 | INIT_LIST_HEAD(&dev->mode_config.encoder_list); | |
996 | INIT_LIST_HEAD(&dev->mode_config.property_list); | |
997 | INIT_LIST_HEAD(&dev->mode_config.property_blob_list); | |
8cf5c917 | 998 | INIT_LIST_HEAD(&dev->mode_config.plane_list); |
f453ba04 DA |
999 | idr_init(&dev->mode_config.crtc_idr); |
1000 | ||
84849903 | 1001 | drm_modeset_lock_all(dev); |
f453ba04 | 1002 | drm_mode_create_standard_connector_properties(dev); |
84849903 | 1003 | drm_modeset_unlock_all(dev); |
f453ba04 DA |
1004 | |
1005 | /* Just to be sure */ | |
1006 | dev->mode_config.num_fb = 0; | |
1007 | dev->mode_config.num_connector = 0; | |
1008 | dev->mode_config.num_crtc = 0; | |
1009 | dev->mode_config.num_encoder = 0; | |
f453ba04 DA |
1010 | } |
1011 | EXPORT_SYMBOL(drm_mode_config_init); | |
1012 | ||
1013 | int drm_mode_group_init(struct drm_device *dev, struct drm_mode_group *group) | |
1014 | { | |
1015 | uint32_t total_objects = 0; | |
1016 | ||
1017 | total_objects += dev->mode_config.num_crtc; | |
1018 | total_objects += dev->mode_config.num_connector; | |
1019 | total_objects += dev->mode_config.num_encoder; | |
1020 | ||
f453ba04 DA |
1021 | group->id_list = kzalloc(total_objects * sizeof(uint32_t), GFP_KERNEL); |
1022 | if (!group->id_list) | |
1023 | return -ENOMEM; | |
1024 | ||
1025 | group->num_crtcs = 0; | |
1026 | group->num_connectors = 0; | |
1027 | group->num_encoders = 0; | |
1028 | return 0; | |
1029 | } | |
1030 | ||
1031 | int drm_mode_group_init_legacy_group(struct drm_device *dev, | |
1032 | struct drm_mode_group *group) | |
1033 | { | |
1034 | struct drm_crtc *crtc; | |
1035 | struct drm_encoder *encoder; | |
1036 | struct drm_connector *connector; | |
1037 | int ret; | |
1038 | ||
1039 | if ((ret = drm_mode_group_init(dev, group))) | |
1040 | return ret; | |
1041 | ||
1042 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) | |
1043 | group->id_list[group->num_crtcs++] = crtc->base.id; | |
1044 | ||
1045 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) | |
1046 | group->id_list[group->num_crtcs + group->num_encoders++] = | |
1047 | encoder->base.id; | |
1048 | ||
1049 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) | |
1050 | group->id_list[group->num_crtcs + group->num_encoders + | |
1051 | group->num_connectors++] = connector->base.id; | |
1052 | ||
1053 | return 0; | |
1054 | } | |
9c1dfc55 | 1055 | EXPORT_SYMBOL(drm_mode_group_init_legacy_group); |
f453ba04 DA |
1056 | |
1057 | /** | |
1058 | * drm_mode_config_cleanup - free up DRM mode_config info | |
1059 | * @dev: DRM device | |
1060 | * | |
f453ba04 DA |
1061 | * Free up all the connectors and CRTCs associated with this DRM device, then |
1062 | * free up the framebuffers and associated buffer objects. | |
1063 | * | |
8faf6b18 DV |
1064 | * Note that since this /should/ happen single-threaded at driver/device |
1065 | * teardown time, no locking is required. It's the driver's job to ensure that | |
1066 | * this guarantee actually holds true. | |
1067 | * | |
f453ba04 DA |
1068 | * FIXME: cleanup any dangling user buffer objects too |
1069 | */ | |
1070 | void drm_mode_config_cleanup(struct drm_device *dev) | |
1071 | { | |
1072 | struct drm_connector *connector, *ot; | |
1073 | struct drm_crtc *crtc, *ct; | |
1074 | struct drm_encoder *encoder, *enct; | |
1075 | struct drm_framebuffer *fb, *fbt; | |
1076 | struct drm_property *property, *pt; | |
8cf5c917 | 1077 | struct drm_plane *plane, *plt; |
f453ba04 DA |
1078 | |
1079 | list_for_each_entry_safe(encoder, enct, &dev->mode_config.encoder_list, | |
1080 | head) { | |
1081 | encoder->funcs->destroy(encoder); | |
1082 | } | |
1083 | ||
1084 | list_for_each_entry_safe(connector, ot, | |
1085 | &dev->mode_config.connector_list, head) { | |
1086 | connector->funcs->destroy(connector); | |
1087 | } | |
1088 | ||
1089 | list_for_each_entry_safe(property, pt, &dev->mode_config.property_list, | |
1090 | head) { | |
1091 | drm_property_destroy(dev, property); | |
1092 | } | |
1093 | ||
1094 | list_for_each_entry_safe(fb, fbt, &dev->mode_config.fb_list, head) { | |
f7eff60e | 1095 | drm_framebuffer_remove(fb); |
f453ba04 DA |
1096 | } |
1097 | ||
8cf5c917 JB |
1098 | list_for_each_entry_safe(plane, plt, &dev->mode_config.plane_list, |
1099 | head) { | |
1100 | plane->funcs->destroy(plane); | |
1101 | } | |
59ce062e | 1102 | |
3184009c CW |
1103 | list_for_each_entry_safe(crtc, ct, &dev->mode_config.crtc_list, head) { |
1104 | crtc->funcs->destroy(crtc); | |
1105 | } | |
1106 | ||
59ce062e SH |
1107 | idr_remove_all(&dev->mode_config.crtc_idr); |
1108 | idr_destroy(&dev->mode_config.crtc_idr); | |
f453ba04 DA |
1109 | } |
1110 | EXPORT_SYMBOL(drm_mode_config_cleanup); | |
1111 | ||
f453ba04 DA |
1112 | /** |
1113 | * drm_crtc_convert_to_umode - convert a drm_display_mode into a modeinfo | |
1114 | * @out: drm_mode_modeinfo struct to return to the user | |
1115 | * @in: drm_display_mode to use | |
1116 | * | |
f453ba04 DA |
1117 | * Convert a drm_display_mode into a drm_mode_modeinfo structure to return to |
1118 | * the user. | |
1119 | */ | |
93bbf6db VS |
1120 | static void drm_crtc_convert_to_umode(struct drm_mode_modeinfo *out, |
1121 | const struct drm_display_mode *in) | |
f453ba04 | 1122 | { |
e36fae38 VS |
1123 | WARN(in->hdisplay > USHRT_MAX || in->hsync_start > USHRT_MAX || |
1124 | in->hsync_end > USHRT_MAX || in->htotal > USHRT_MAX || | |
1125 | in->hskew > USHRT_MAX || in->vdisplay > USHRT_MAX || | |
1126 | in->vsync_start > USHRT_MAX || in->vsync_end > USHRT_MAX || | |
1127 | in->vtotal > USHRT_MAX || in->vscan > USHRT_MAX, | |
1128 | "timing values too large for mode info\n"); | |
1129 | ||
f453ba04 DA |
1130 | out->clock = in->clock; |
1131 | out->hdisplay = in->hdisplay; | |
1132 | out->hsync_start = in->hsync_start; | |
1133 | out->hsync_end = in->hsync_end; | |
1134 | out->htotal = in->htotal; | |
1135 | out->hskew = in->hskew; | |
1136 | out->vdisplay = in->vdisplay; | |
1137 | out->vsync_start = in->vsync_start; | |
1138 | out->vsync_end = in->vsync_end; | |
1139 | out->vtotal = in->vtotal; | |
1140 | out->vscan = in->vscan; | |
1141 | out->vrefresh = in->vrefresh; | |
1142 | out->flags = in->flags; | |
1143 | out->type = in->type; | |
1144 | strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN); | |
1145 | out->name[DRM_DISPLAY_MODE_LEN-1] = 0; | |
1146 | } | |
1147 | ||
1148 | /** | |
1149 | * drm_crtc_convert_to_umode - convert a modeinfo into a drm_display_mode | |
1150 | * @out: drm_display_mode to return to the user | |
1151 | * @in: drm_mode_modeinfo to use | |
1152 | * | |
f453ba04 DA |
1153 | * Convert a drm_mode_modeinfo into a drm_display_mode structure to return to |
1154 | * the caller. | |
90367bf6 VS |
1155 | * |
1156 | * RETURNS: | |
1157 | * Zero on success, errno on failure. | |
f453ba04 | 1158 | */ |
93bbf6db VS |
1159 | static int drm_crtc_convert_umode(struct drm_display_mode *out, |
1160 | const struct drm_mode_modeinfo *in) | |
f453ba04 | 1161 | { |
90367bf6 VS |
1162 | if (in->clock > INT_MAX || in->vrefresh > INT_MAX) |
1163 | return -ERANGE; | |
1164 | ||
f453ba04 DA |
1165 | out->clock = in->clock; |
1166 | out->hdisplay = in->hdisplay; | |
1167 | out->hsync_start = in->hsync_start; | |
1168 | out->hsync_end = in->hsync_end; | |
1169 | out->htotal = in->htotal; | |
1170 | out->hskew = in->hskew; | |
1171 | out->vdisplay = in->vdisplay; | |
1172 | out->vsync_start = in->vsync_start; | |
1173 | out->vsync_end = in->vsync_end; | |
1174 | out->vtotal = in->vtotal; | |
1175 | out->vscan = in->vscan; | |
1176 | out->vrefresh = in->vrefresh; | |
1177 | out->flags = in->flags; | |
1178 | out->type = in->type; | |
1179 | strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN); | |
1180 | out->name[DRM_DISPLAY_MODE_LEN-1] = 0; | |
90367bf6 VS |
1181 | |
1182 | return 0; | |
f453ba04 DA |
1183 | } |
1184 | ||
1185 | /** | |
1186 | * drm_mode_getresources - get graphics configuration | |
065a50ed DV |
1187 | * @dev: drm device for the ioctl |
1188 | * @data: data pointer for the ioctl | |
1189 | * @file_priv: drm file for the ioctl call | |
f453ba04 | 1190 | * |
f453ba04 DA |
1191 | * Construct a set of configuration description structures and return |
1192 | * them to the user, including CRTC, connector and framebuffer configuration. | |
1193 | * | |
1194 | * Called by the user via ioctl. | |
1195 | * | |
1196 | * RETURNS: | |
1197 | * Zero on success, errno on failure. | |
1198 | */ | |
1199 | int drm_mode_getresources(struct drm_device *dev, void *data, | |
1200 | struct drm_file *file_priv) | |
1201 | { | |
1202 | struct drm_mode_card_res *card_res = data; | |
1203 | struct list_head *lh; | |
1204 | struct drm_framebuffer *fb; | |
1205 | struct drm_connector *connector; | |
1206 | struct drm_crtc *crtc; | |
1207 | struct drm_encoder *encoder; | |
1208 | int ret = 0; | |
1209 | int connector_count = 0; | |
1210 | int crtc_count = 0; | |
1211 | int fb_count = 0; | |
1212 | int encoder_count = 0; | |
1213 | int copied = 0, i; | |
1214 | uint32_t __user *fb_id; | |
1215 | uint32_t __user *crtc_id; | |
1216 | uint32_t __user *connector_id; | |
1217 | uint32_t __user *encoder_id; | |
1218 | struct drm_mode_group *mode_group; | |
1219 | ||
fb3b06c8 DA |
1220 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1221 | return -EINVAL; | |
1222 | ||
84849903 | 1223 | drm_modeset_lock_all(dev); |
f453ba04 DA |
1224 | |
1225 | /* | |
1226 | * For the non-control nodes we need to limit the list of resources | |
1227 | * by IDs in the group list for this node | |
1228 | */ | |
1229 | list_for_each(lh, &file_priv->fbs) | |
1230 | fb_count++; | |
1231 | ||
1232 | mode_group = &file_priv->master->minor->mode_group; | |
1233 | if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { | |
1234 | ||
1235 | list_for_each(lh, &dev->mode_config.crtc_list) | |
1236 | crtc_count++; | |
1237 | ||
1238 | list_for_each(lh, &dev->mode_config.connector_list) | |
1239 | connector_count++; | |
1240 | ||
1241 | list_for_each(lh, &dev->mode_config.encoder_list) | |
1242 | encoder_count++; | |
1243 | } else { | |
1244 | ||
1245 | crtc_count = mode_group->num_crtcs; | |
1246 | connector_count = mode_group->num_connectors; | |
1247 | encoder_count = mode_group->num_encoders; | |
1248 | } | |
1249 | ||
1250 | card_res->max_height = dev->mode_config.max_height; | |
1251 | card_res->min_height = dev->mode_config.min_height; | |
1252 | card_res->max_width = dev->mode_config.max_width; | |
1253 | card_res->min_width = dev->mode_config.min_width; | |
1254 | ||
1255 | /* handle this in 4 parts */ | |
1256 | /* FBs */ | |
1257 | if (card_res->count_fbs >= fb_count) { | |
1258 | copied = 0; | |
1259 | fb_id = (uint32_t __user *)(unsigned long)card_res->fb_id_ptr; | |
618c75e4 | 1260 | list_for_each_entry(fb, &file_priv->fbs, filp_head) { |
f453ba04 DA |
1261 | if (put_user(fb->base.id, fb_id + copied)) { |
1262 | ret = -EFAULT; | |
1263 | goto out; | |
1264 | } | |
1265 | copied++; | |
1266 | } | |
1267 | } | |
1268 | card_res->count_fbs = fb_count; | |
1269 | ||
1270 | /* CRTCs */ | |
1271 | if (card_res->count_crtcs >= crtc_count) { | |
1272 | copied = 0; | |
1273 | crtc_id = (uint32_t __user *)(unsigned long)card_res->crtc_id_ptr; | |
1274 | if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { | |
1275 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, | |
1276 | head) { | |
9440106b | 1277 | DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id); |
f453ba04 DA |
1278 | if (put_user(crtc->base.id, crtc_id + copied)) { |
1279 | ret = -EFAULT; | |
1280 | goto out; | |
1281 | } | |
1282 | copied++; | |
1283 | } | |
1284 | } else { | |
1285 | for (i = 0; i < mode_group->num_crtcs; i++) { | |
1286 | if (put_user(mode_group->id_list[i], | |
1287 | crtc_id + copied)) { | |
1288 | ret = -EFAULT; | |
1289 | goto out; | |
1290 | } | |
1291 | copied++; | |
1292 | } | |
1293 | } | |
1294 | } | |
1295 | card_res->count_crtcs = crtc_count; | |
1296 | ||
1297 | /* Encoders */ | |
1298 | if (card_res->count_encoders >= encoder_count) { | |
1299 | copied = 0; | |
1300 | encoder_id = (uint32_t __user *)(unsigned long)card_res->encoder_id_ptr; | |
1301 | if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { | |
1302 | list_for_each_entry(encoder, | |
1303 | &dev->mode_config.encoder_list, | |
1304 | head) { | |
9440106b JG |
1305 | DRM_DEBUG_KMS("[ENCODER:%d:%s]\n", encoder->base.id, |
1306 | drm_get_encoder_name(encoder)); | |
f453ba04 DA |
1307 | if (put_user(encoder->base.id, encoder_id + |
1308 | copied)) { | |
1309 | ret = -EFAULT; | |
1310 | goto out; | |
1311 | } | |
1312 | copied++; | |
1313 | } | |
1314 | } else { | |
1315 | for (i = mode_group->num_crtcs; i < mode_group->num_crtcs + mode_group->num_encoders; i++) { | |
1316 | if (put_user(mode_group->id_list[i], | |
1317 | encoder_id + copied)) { | |
1318 | ret = -EFAULT; | |
1319 | goto out; | |
1320 | } | |
1321 | copied++; | |
1322 | } | |
1323 | ||
1324 | } | |
1325 | } | |
1326 | card_res->count_encoders = encoder_count; | |
1327 | ||
1328 | /* Connectors */ | |
1329 | if (card_res->count_connectors >= connector_count) { | |
1330 | copied = 0; | |
1331 | connector_id = (uint32_t __user *)(unsigned long)card_res->connector_id_ptr; | |
1332 | if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { | |
1333 | list_for_each_entry(connector, | |
1334 | &dev->mode_config.connector_list, | |
1335 | head) { | |
9440106b JG |
1336 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", |
1337 | connector->base.id, | |
1338 | drm_get_connector_name(connector)); | |
f453ba04 DA |
1339 | if (put_user(connector->base.id, |
1340 | connector_id + copied)) { | |
1341 | ret = -EFAULT; | |
1342 | goto out; | |
1343 | } | |
1344 | copied++; | |
1345 | } | |
1346 | } else { | |
1347 | int start = mode_group->num_crtcs + | |
1348 | mode_group->num_encoders; | |
1349 | for (i = start; i < start + mode_group->num_connectors; i++) { | |
1350 | if (put_user(mode_group->id_list[i], | |
1351 | connector_id + copied)) { | |
1352 | ret = -EFAULT; | |
1353 | goto out; | |
1354 | } | |
1355 | copied++; | |
1356 | } | |
1357 | } | |
1358 | } | |
1359 | card_res->count_connectors = connector_count; | |
1360 | ||
9440106b | 1361 | DRM_DEBUG_KMS("CRTC[%d] CONNECTORS[%d] ENCODERS[%d]\n", card_res->count_crtcs, |
f453ba04 DA |
1362 | card_res->count_connectors, card_res->count_encoders); |
1363 | ||
1364 | out: | |
84849903 | 1365 | drm_modeset_unlock_all(dev); |
f453ba04 DA |
1366 | return ret; |
1367 | } | |
1368 | ||
1369 | /** | |
1370 | * drm_mode_getcrtc - get CRTC configuration | |
065a50ed DV |
1371 | * @dev: drm device for the ioctl |
1372 | * @data: data pointer for the ioctl | |
1373 | * @file_priv: drm file for the ioctl call | |
f453ba04 | 1374 | * |
f453ba04 DA |
1375 | * Construct a CRTC configuration structure to return to the user. |
1376 | * | |
1377 | * Called by the user via ioctl. | |
1378 | * | |
1379 | * RETURNS: | |
1380 | * Zero on success, errno on failure. | |
1381 | */ | |
1382 | int drm_mode_getcrtc(struct drm_device *dev, | |
1383 | void *data, struct drm_file *file_priv) | |
1384 | { | |
1385 | struct drm_mode_crtc *crtc_resp = data; | |
1386 | struct drm_crtc *crtc; | |
1387 | struct drm_mode_object *obj; | |
1388 | int ret = 0; | |
1389 | ||
fb3b06c8 DA |
1390 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1391 | return -EINVAL; | |
1392 | ||
84849903 | 1393 | drm_modeset_lock_all(dev); |
f453ba04 DA |
1394 | |
1395 | obj = drm_mode_object_find(dev, crtc_resp->crtc_id, | |
1396 | DRM_MODE_OBJECT_CRTC); | |
1397 | if (!obj) { | |
1398 | ret = -EINVAL; | |
1399 | goto out; | |
1400 | } | |
1401 | crtc = obj_to_crtc(obj); | |
1402 | ||
1403 | crtc_resp->x = crtc->x; | |
1404 | crtc_resp->y = crtc->y; | |
1405 | crtc_resp->gamma_size = crtc->gamma_size; | |
1406 | if (crtc->fb) | |
1407 | crtc_resp->fb_id = crtc->fb->base.id; | |
1408 | else | |
1409 | crtc_resp->fb_id = 0; | |
1410 | ||
1411 | if (crtc->enabled) { | |
1412 | ||
1413 | drm_crtc_convert_to_umode(&crtc_resp->mode, &crtc->mode); | |
1414 | crtc_resp->mode_valid = 1; | |
1415 | ||
1416 | } else { | |
1417 | crtc_resp->mode_valid = 0; | |
1418 | } | |
1419 | ||
1420 | out: | |
84849903 | 1421 | drm_modeset_unlock_all(dev); |
f453ba04 DA |
1422 | return ret; |
1423 | } | |
1424 | ||
1425 | /** | |
1426 | * drm_mode_getconnector - get connector configuration | |
065a50ed DV |
1427 | * @dev: drm device for the ioctl |
1428 | * @data: data pointer for the ioctl | |
1429 | * @file_priv: drm file for the ioctl call | |
f453ba04 | 1430 | * |
f453ba04 DA |
1431 | * Construct a connector configuration structure to return to the user. |
1432 | * | |
1433 | * Called by the user via ioctl. | |
1434 | * | |
1435 | * RETURNS: | |
1436 | * Zero on success, errno on failure. | |
1437 | */ | |
1438 | int drm_mode_getconnector(struct drm_device *dev, void *data, | |
1439 | struct drm_file *file_priv) | |
1440 | { | |
1441 | struct drm_mode_get_connector *out_resp = data; | |
1442 | struct drm_mode_object *obj; | |
1443 | struct drm_connector *connector; | |
1444 | struct drm_display_mode *mode; | |
1445 | int mode_count = 0; | |
1446 | int props_count = 0; | |
1447 | int encoders_count = 0; | |
1448 | int ret = 0; | |
1449 | int copied = 0; | |
1450 | int i; | |
1451 | struct drm_mode_modeinfo u_mode; | |
1452 | struct drm_mode_modeinfo __user *mode_ptr; | |
1453 | uint32_t __user *prop_ptr; | |
1454 | uint64_t __user *prop_values; | |
1455 | uint32_t __user *encoder_ptr; | |
1456 | ||
fb3b06c8 DA |
1457 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1458 | return -EINVAL; | |
1459 | ||
f453ba04 DA |
1460 | memset(&u_mode, 0, sizeof(struct drm_mode_modeinfo)); |
1461 | ||
9440106b | 1462 | DRM_DEBUG_KMS("[CONNECTOR:%d:?]\n", out_resp->connector_id); |
f453ba04 | 1463 | |
84849903 | 1464 | drm_modeset_lock_all(dev); |
f453ba04 DA |
1465 | |
1466 | obj = drm_mode_object_find(dev, out_resp->connector_id, | |
1467 | DRM_MODE_OBJECT_CONNECTOR); | |
1468 | if (!obj) { | |
1469 | ret = -EINVAL; | |
1470 | goto out; | |
1471 | } | |
1472 | connector = obj_to_connector(obj); | |
1473 | ||
7f88a9be | 1474 | props_count = connector->properties.count; |
f453ba04 DA |
1475 | |
1476 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { | |
1477 | if (connector->encoder_ids[i] != 0) { | |
1478 | encoders_count++; | |
1479 | } | |
1480 | } | |
1481 | ||
1482 | if (out_resp->count_modes == 0) { | |
1483 | connector->funcs->fill_modes(connector, | |
1484 | dev->mode_config.max_width, | |
1485 | dev->mode_config.max_height); | |
1486 | } | |
1487 | ||
1488 | /* delayed so we get modes regardless of pre-fill_modes state */ | |
1489 | list_for_each_entry(mode, &connector->modes, head) | |
1490 | mode_count++; | |
1491 | ||
1492 | out_resp->connector_id = connector->base.id; | |
1493 | out_resp->connector_type = connector->connector_type; | |
1494 | out_resp->connector_type_id = connector->connector_type_id; | |
1495 | out_resp->mm_width = connector->display_info.width_mm; | |
1496 | out_resp->mm_height = connector->display_info.height_mm; | |
1497 | out_resp->subpixel = connector->display_info.subpixel_order; | |
1498 | out_resp->connection = connector->status; | |
1499 | if (connector->encoder) | |
1500 | out_resp->encoder_id = connector->encoder->base.id; | |
1501 | else | |
1502 | out_resp->encoder_id = 0; | |
1503 | ||
1504 | /* | |
1505 | * This ioctl is called twice, once to determine how much space is | |
1506 | * needed, and the 2nd time to fill it. | |
1507 | */ | |
1508 | if ((out_resp->count_modes >= mode_count) && mode_count) { | |
1509 | copied = 0; | |
81f6c7f8 | 1510 | mode_ptr = (struct drm_mode_modeinfo __user *)(unsigned long)out_resp->modes_ptr; |
f453ba04 DA |
1511 | list_for_each_entry(mode, &connector->modes, head) { |
1512 | drm_crtc_convert_to_umode(&u_mode, mode); | |
1513 | if (copy_to_user(mode_ptr + copied, | |
1514 | &u_mode, sizeof(u_mode))) { | |
1515 | ret = -EFAULT; | |
1516 | goto out; | |
1517 | } | |
1518 | copied++; | |
1519 | } | |
1520 | } | |
1521 | out_resp->count_modes = mode_count; | |
1522 | ||
1523 | if ((out_resp->count_props >= props_count) && props_count) { | |
1524 | copied = 0; | |
81f6c7f8 VS |
1525 | prop_ptr = (uint32_t __user *)(unsigned long)(out_resp->props_ptr); |
1526 | prop_values = (uint64_t __user *)(unsigned long)(out_resp->prop_values_ptr); | |
7f88a9be PZ |
1527 | for (i = 0; i < connector->properties.count; i++) { |
1528 | if (put_user(connector->properties.ids[i], | |
1529 | prop_ptr + copied)) { | |
1530 | ret = -EFAULT; | |
1531 | goto out; | |
1532 | } | |
f453ba04 | 1533 | |
7f88a9be PZ |
1534 | if (put_user(connector->properties.values[i], |
1535 | prop_values + copied)) { | |
1536 | ret = -EFAULT; | |
1537 | goto out; | |
f453ba04 | 1538 | } |
7f88a9be | 1539 | copied++; |
f453ba04 DA |
1540 | } |
1541 | } | |
1542 | out_resp->count_props = props_count; | |
1543 | ||
1544 | if ((out_resp->count_encoders >= encoders_count) && encoders_count) { | |
1545 | copied = 0; | |
81f6c7f8 | 1546 | encoder_ptr = (uint32_t __user *)(unsigned long)(out_resp->encoders_ptr); |
f453ba04 DA |
1547 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { |
1548 | if (connector->encoder_ids[i] != 0) { | |
1549 | if (put_user(connector->encoder_ids[i], | |
1550 | encoder_ptr + copied)) { | |
1551 | ret = -EFAULT; | |
1552 | goto out; | |
1553 | } | |
1554 | copied++; | |
1555 | } | |
1556 | } | |
1557 | } | |
1558 | out_resp->count_encoders = encoders_count; | |
1559 | ||
1560 | out: | |
84849903 | 1561 | drm_modeset_unlock_all(dev); |
f453ba04 DA |
1562 | return ret; |
1563 | } | |
1564 | ||
1565 | int drm_mode_getencoder(struct drm_device *dev, void *data, | |
1566 | struct drm_file *file_priv) | |
1567 | { | |
1568 | struct drm_mode_get_encoder *enc_resp = data; | |
1569 | struct drm_mode_object *obj; | |
1570 | struct drm_encoder *encoder; | |
1571 | int ret = 0; | |
1572 | ||
fb3b06c8 DA |
1573 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1574 | return -EINVAL; | |
1575 | ||
84849903 | 1576 | drm_modeset_lock_all(dev); |
f453ba04 DA |
1577 | obj = drm_mode_object_find(dev, enc_resp->encoder_id, |
1578 | DRM_MODE_OBJECT_ENCODER); | |
1579 | if (!obj) { | |
1580 | ret = -EINVAL; | |
1581 | goto out; | |
1582 | } | |
1583 | encoder = obj_to_encoder(obj); | |
1584 | ||
1585 | if (encoder->crtc) | |
1586 | enc_resp->crtc_id = encoder->crtc->base.id; | |
1587 | else | |
1588 | enc_resp->crtc_id = 0; | |
1589 | enc_resp->encoder_type = encoder->encoder_type; | |
1590 | enc_resp->encoder_id = encoder->base.id; | |
1591 | enc_resp->possible_crtcs = encoder->possible_crtcs; | |
1592 | enc_resp->possible_clones = encoder->possible_clones; | |
1593 | ||
1594 | out: | |
84849903 | 1595 | drm_modeset_unlock_all(dev); |
f453ba04 DA |
1596 | return ret; |
1597 | } | |
1598 | ||
8cf5c917 JB |
1599 | /** |
1600 | * drm_mode_getplane_res - get plane info | |
1601 | * @dev: DRM device | |
1602 | * @data: ioctl data | |
1603 | * @file_priv: DRM file info | |
1604 | * | |
1605 | * Return an plane count and set of IDs. | |
1606 | */ | |
1607 | int drm_mode_getplane_res(struct drm_device *dev, void *data, | |
1608 | struct drm_file *file_priv) | |
1609 | { | |
1610 | struct drm_mode_get_plane_res *plane_resp = data; | |
1611 | struct drm_mode_config *config; | |
1612 | struct drm_plane *plane; | |
1613 | uint32_t __user *plane_ptr; | |
1614 | int copied = 0, ret = 0; | |
1615 | ||
1616 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) | |
1617 | return -EINVAL; | |
1618 | ||
84849903 | 1619 | drm_modeset_lock_all(dev); |
8cf5c917 JB |
1620 | config = &dev->mode_config; |
1621 | ||
1622 | /* | |
1623 | * This ioctl is called twice, once to determine how much space is | |
1624 | * needed, and the 2nd time to fill it. | |
1625 | */ | |
1626 | if (config->num_plane && | |
1627 | (plane_resp->count_planes >= config->num_plane)) { | |
81f6c7f8 | 1628 | plane_ptr = (uint32_t __user *)(unsigned long)plane_resp->plane_id_ptr; |
8cf5c917 JB |
1629 | |
1630 | list_for_each_entry(plane, &config->plane_list, head) { | |
1631 | if (put_user(plane->base.id, plane_ptr + copied)) { | |
1632 | ret = -EFAULT; | |
1633 | goto out; | |
1634 | } | |
1635 | copied++; | |
1636 | } | |
1637 | } | |
1638 | plane_resp->count_planes = config->num_plane; | |
1639 | ||
1640 | out: | |
84849903 | 1641 | drm_modeset_unlock_all(dev); |
8cf5c917 JB |
1642 | return ret; |
1643 | } | |
1644 | ||
1645 | /** | |
1646 | * drm_mode_getplane - get plane info | |
1647 | * @dev: DRM device | |
1648 | * @data: ioctl data | |
1649 | * @file_priv: DRM file info | |
1650 | * | |
1651 | * Return plane info, including formats supported, gamma size, any | |
1652 | * current fb, etc. | |
1653 | */ | |
1654 | int drm_mode_getplane(struct drm_device *dev, void *data, | |
1655 | struct drm_file *file_priv) | |
1656 | { | |
1657 | struct drm_mode_get_plane *plane_resp = data; | |
1658 | struct drm_mode_object *obj; | |
1659 | struct drm_plane *plane; | |
1660 | uint32_t __user *format_ptr; | |
1661 | int ret = 0; | |
1662 | ||
1663 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) | |
1664 | return -EINVAL; | |
1665 | ||
84849903 | 1666 | drm_modeset_lock_all(dev); |
8cf5c917 JB |
1667 | obj = drm_mode_object_find(dev, plane_resp->plane_id, |
1668 | DRM_MODE_OBJECT_PLANE); | |
1669 | if (!obj) { | |
1670 | ret = -ENOENT; | |
1671 | goto out; | |
1672 | } | |
1673 | plane = obj_to_plane(obj); | |
1674 | ||
1675 | if (plane->crtc) | |
1676 | plane_resp->crtc_id = plane->crtc->base.id; | |
1677 | else | |
1678 | plane_resp->crtc_id = 0; | |
1679 | ||
1680 | if (plane->fb) | |
1681 | plane_resp->fb_id = plane->fb->base.id; | |
1682 | else | |
1683 | plane_resp->fb_id = 0; | |
1684 | ||
1685 | plane_resp->plane_id = plane->base.id; | |
1686 | plane_resp->possible_crtcs = plane->possible_crtcs; | |
1687 | plane_resp->gamma_size = plane->gamma_size; | |
1688 | ||
1689 | /* | |
1690 | * This ioctl is called twice, once to determine how much space is | |
1691 | * needed, and the 2nd time to fill it. | |
1692 | */ | |
1693 | if (plane->format_count && | |
1694 | (plane_resp->count_format_types >= plane->format_count)) { | |
81f6c7f8 | 1695 | format_ptr = (uint32_t __user *)(unsigned long)plane_resp->format_type_ptr; |
8cf5c917 JB |
1696 | if (copy_to_user(format_ptr, |
1697 | plane->format_types, | |
1698 | sizeof(uint32_t) * plane->format_count)) { | |
1699 | ret = -EFAULT; | |
1700 | goto out; | |
1701 | } | |
1702 | } | |
1703 | plane_resp->count_format_types = plane->format_count; | |
1704 | ||
1705 | out: | |
84849903 | 1706 | drm_modeset_unlock_all(dev); |
8cf5c917 JB |
1707 | return ret; |
1708 | } | |
1709 | ||
1710 | /** | |
1711 | * drm_mode_setplane - set up or tear down an plane | |
1712 | * @dev: DRM device | |
1713 | * @data: ioctl data* | |
065a50ed | 1714 | * @file_priv: DRM file info |
8cf5c917 JB |
1715 | * |
1716 | * Set plane info, including placement, fb, scaling, and other factors. | |
1717 | * Or pass a NULL fb to disable. | |
1718 | */ | |
1719 | int drm_mode_setplane(struct drm_device *dev, void *data, | |
1720 | struct drm_file *file_priv) | |
1721 | { | |
1722 | struct drm_mode_set_plane *plane_req = data; | |
1723 | struct drm_mode_object *obj; | |
1724 | struct drm_plane *plane; | |
1725 | struct drm_crtc *crtc; | |
1726 | struct drm_framebuffer *fb; | |
1727 | int ret = 0; | |
42ef8789 | 1728 | unsigned int fb_width, fb_height; |
62443be6 | 1729 | int i; |
8cf5c917 JB |
1730 | |
1731 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) | |
1732 | return -EINVAL; | |
1733 | ||
84849903 | 1734 | drm_modeset_lock_all(dev); |
8cf5c917 JB |
1735 | |
1736 | /* | |
1737 | * First, find the plane, crtc, and fb objects. If not available, | |
1738 | * we don't bother to call the driver. | |
1739 | */ | |
1740 | obj = drm_mode_object_find(dev, plane_req->plane_id, | |
1741 | DRM_MODE_OBJECT_PLANE); | |
1742 | if (!obj) { | |
1743 | DRM_DEBUG_KMS("Unknown plane ID %d\n", | |
1744 | plane_req->plane_id); | |
1745 | ret = -ENOENT; | |
1746 | goto out; | |
1747 | } | |
1748 | plane = obj_to_plane(obj); | |
1749 | ||
1750 | /* No fb means shut it down */ | |
1751 | if (!plane_req->fb_id) { | |
1752 | plane->funcs->disable_plane(plane); | |
e5e3b44c VS |
1753 | plane->crtc = NULL; |
1754 | plane->fb = NULL; | |
8cf5c917 JB |
1755 | goto out; |
1756 | } | |
1757 | ||
1758 | obj = drm_mode_object_find(dev, plane_req->crtc_id, | |
1759 | DRM_MODE_OBJECT_CRTC); | |
1760 | if (!obj) { | |
1761 | DRM_DEBUG_KMS("Unknown crtc ID %d\n", | |
1762 | plane_req->crtc_id); | |
1763 | ret = -ENOENT; | |
1764 | goto out; | |
1765 | } | |
1766 | crtc = obj_to_crtc(obj); | |
1767 | ||
1768 | obj = drm_mode_object_find(dev, plane_req->fb_id, | |
1769 | DRM_MODE_OBJECT_FB); | |
1770 | if (!obj) { | |
1771 | DRM_DEBUG_KMS("Unknown framebuffer ID %d\n", | |
1772 | plane_req->fb_id); | |
1773 | ret = -ENOENT; | |
1774 | goto out; | |
1775 | } | |
1776 | fb = obj_to_fb(obj); | |
1777 | ||
62443be6 VS |
1778 | /* Check whether this plane supports the fb pixel format. */ |
1779 | for (i = 0; i < plane->format_count; i++) | |
1780 | if (fb->pixel_format == plane->format_types[i]) | |
1781 | break; | |
1782 | if (i == plane->format_count) { | |
1783 | DRM_DEBUG_KMS("Invalid pixel format 0x%08x\n", fb->pixel_format); | |
1784 | ret = -EINVAL; | |
1785 | goto out; | |
1786 | } | |
1787 | ||
42ef8789 VS |
1788 | fb_width = fb->width << 16; |
1789 | fb_height = fb->height << 16; | |
1790 | ||
1791 | /* Make sure source coordinates are inside the fb. */ | |
1792 | if (plane_req->src_w > fb_width || | |
1793 | plane_req->src_x > fb_width - plane_req->src_w || | |
1794 | plane_req->src_h > fb_height || | |
1795 | plane_req->src_y > fb_height - plane_req->src_h) { | |
1796 | DRM_DEBUG_KMS("Invalid source coordinates " | |
1797 | "%u.%06ux%u.%06u+%u.%06u+%u.%06u\n", | |
1798 | plane_req->src_w >> 16, | |
1799 | ((plane_req->src_w & 0xffff) * 15625) >> 10, | |
1800 | plane_req->src_h >> 16, | |
1801 | ((plane_req->src_h & 0xffff) * 15625) >> 10, | |
1802 | plane_req->src_x >> 16, | |
1803 | ((plane_req->src_x & 0xffff) * 15625) >> 10, | |
1804 | plane_req->src_y >> 16, | |
1805 | ((plane_req->src_y & 0xffff) * 15625) >> 10); | |
1806 | ret = -ENOSPC; | |
1807 | goto out; | |
1808 | } | |
1809 | ||
687a0400 VS |
1810 | /* Give drivers some help against integer overflows */ |
1811 | if (plane_req->crtc_w > INT_MAX || | |
1812 | plane_req->crtc_x > INT_MAX - (int32_t) plane_req->crtc_w || | |
1813 | plane_req->crtc_h > INT_MAX || | |
1814 | plane_req->crtc_y > INT_MAX - (int32_t) plane_req->crtc_h) { | |
1815 | DRM_DEBUG_KMS("Invalid CRTC coordinates %ux%u+%d+%d\n", | |
1816 | plane_req->crtc_w, plane_req->crtc_h, | |
1817 | plane_req->crtc_x, plane_req->crtc_y); | |
1818 | ret = -ERANGE; | |
1819 | goto out; | |
1820 | } | |
1821 | ||
8cf5c917 JB |
1822 | ret = plane->funcs->update_plane(plane, crtc, fb, |
1823 | plane_req->crtc_x, plane_req->crtc_y, | |
1824 | plane_req->crtc_w, plane_req->crtc_h, | |
1825 | plane_req->src_x, plane_req->src_y, | |
1826 | plane_req->src_w, plane_req->src_h); | |
1827 | if (!ret) { | |
1828 | plane->crtc = crtc; | |
1829 | plane->fb = fb; | |
1830 | } | |
1831 | ||
1832 | out: | |
84849903 | 1833 | drm_modeset_unlock_all(dev); |
8cf5c917 JB |
1834 | |
1835 | return ret; | |
1836 | } | |
1837 | ||
2d13b679 DV |
1838 | /** |
1839 | * drm_mode_set_config_internal - helper to call ->set_config | |
1840 | * @set: modeset config to set | |
1841 | * | |
1842 | * This is a little helper to wrap internal calls to the ->set_config driver | |
1843 | * interface. The only thing it adds is correct refcounting dance. | |
1844 | */ | |
1845 | int drm_mode_set_config_internal(struct drm_mode_set *set) | |
1846 | { | |
1847 | struct drm_crtc *crtc = set->crtc; | |
1848 | ||
1849 | return crtc->funcs->set_config(set); | |
1850 | } | |
1851 | EXPORT_SYMBOL(drm_mode_set_config_internal); | |
1852 | ||
f453ba04 DA |
1853 | /** |
1854 | * drm_mode_setcrtc - set CRTC configuration | |
065a50ed DV |
1855 | * @dev: drm device for the ioctl |
1856 | * @data: data pointer for the ioctl | |
1857 | * @file_priv: drm file for the ioctl call | |
f453ba04 | 1858 | * |
f453ba04 DA |
1859 | * Build a new CRTC configuration based on user request. |
1860 | * | |
1861 | * Called by the user via ioctl. | |
1862 | * | |
1863 | * RETURNS: | |
1864 | * Zero on success, errno on failure. | |
1865 | */ | |
1866 | int drm_mode_setcrtc(struct drm_device *dev, void *data, | |
1867 | struct drm_file *file_priv) | |
1868 | { | |
1869 | struct drm_mode_config *config = &dev->mode_config; | |
1870 | struct drm_mode_crtc *crtc_req = data; | |
1871 | struct drm_mode_object *obj; | |
6653cc8d | 1872 | struct drm_crtc *crtc; |
f453ba04 DA |
1873 | struct drm_connector **connector_set = NULL, *connector; |
1874 | struct drm_framebuffer *fb = NULL; | |
1875 | struct drm_display_mode *mode = NULL; | |
1876 | struct drm_mode_set set; | |
1877 | uint32_t __user *set_connectors_ptr; | |
4a1b0714 | 1878 | int ret; |
f453ba04 DA |
1879 | int i; |
1880 | ||
fb3b06c8 DA |
1881 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1882 | return -EINVAL; | |
1883 | ||
1d97e915 VS |
1884 | /* For some reason crtc x/y offsets are signed internally. */ |
1885 | if (crtc_req->x > INT_MAX || crtc_req->y > INT_MAX) | |
1886 | return -ERANGE; | |
1887 | ||
84849903 | 1888 | drm_modeset_lock_all(dev); |
f453ba04 DA |
1889 | obj = drm_mode_object_find(dev, crtc_req->crtc_id, |
1890 | DRM_MODE_OBJECT_CRTC); | |
1891 | if (!obj) { | |
58367ed6 | 1892 | DRM_DEBUG_KMS("Unknown CRTC ID %d\n", crtc_req->crtc_id); |
f453ba04 DA |
1893 | ret = -EINVAL; |
1894 | goto out; | |
1895 | } | |
1896 | crtc = obj_to_crtc(obj); | |
9440106b | 1897 | DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id); |
f453ba04 DA |
1898 | |
1899 | if (crtc_req->mode_valid) { | |
7c80e128 | 1900 | int hdisplay, vdisplay; |
f453ba04 DA |
1901 | /* If we have a mode we need a framebuffer. */ |
1902 | /* If we pass -1, set the mode with the currently bound fb */ | |
1903 | if (crtc_req->fb_id == -1) { | |
6653cc8d VS |
1904 | if (!crtc->fb) { |
1905 | DRM_DEBUG_KMS("CRTC doesn't have current FB\n"); | |
1906 | ret = -EINVAL; | |
1907 | goto out; | |
f453ba04 | 1908 | } |
6653cc8d | 1909 | fb = crtc->fb; |
f453ba04 DA |
1910 | } else { |
1911 | obj = drm_mode_object_find(dev, crtc_req->fb_id, | |
1912 | DRM_MODE_OBJECT_FB); | |
1913 | if (!obj) { | |
58367ed6 ZY |
1914 | DRM_DEBUG_KMS("Unknown FB ID%d\n", |
1915 | crtc_req->fb_id); | |
f453ba04 DA |
1916 | ret = -EINVAL; |
1917 | goto out; | |
1918 | } | |
1919 | fb = obj_to_fb(obj); | |
1920 | } | |
1921 | ||
1922 | mode = drm_mode_create(dev); | |
ee34ab5b VS |
1923 | if (!mode) { |
1924 | ret = -ENOMEM; | |
1925 | goto out; | |
1926 | } | |
1927 | ||
90367bf6 VS |
1928 | ret = drm_crtc_convert_umode(mode, &crtc_req->mode); |
1929 | if (ret) { | |
1930 | DRM_DEBUG_KMS("Invalid mode\n"); | |
1931 | goto out; | |
1932 | } | |
1933 | ||
f453ba04 | 1934 | drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V); |
5f61bb42 | 1935 | |
7c80e128 RC |
1936 | hdisplay = mode->hdisplay; |
1937 | vdisplay = mode->vdisplay; | |
1938 | ||
1939 | if (crtc->invert_dimensions) | |
1940 | swap(hdisplay, vdisplay); | |
1941 | ||
1942 | if (hdisplay > fb->width || | |
1943 | vdisplay > fb->height || | |
1944 | crtc_req->x > fb->width - hdisplay || | |
1945 | crtc_req->y > fb->height - vdisplay) { | |
1946 | DRM_DEBUG_KMS("Invalid fb size %ux%u for CRTC viewport %ux%u+%d+%d%s.\n", | |
1947 | fb->width, fb->height, | |
1948 | hdisplay, vdisplay, crtc_req->x, crtc_req->y, | |
1949 | crtc->invert_dimensions ? " (inverted)" : ""); | |
5f61bb42 VS |
1950 | ret = -ENOSPC; |
1951 | goto out; | |
1952 | } | |
f453ba04 DA |
1953 | } |
1954 | ||
1955 | if (crtc_req->count_connectors == 0 && mode) { | |
58367ed6 | 1956 | DRM_DEBUG_KMS("Count connectors is 0 but mode set\n"); |
f453ba04 DA |
1957 | ret = -EINVAL; |
1958 | goto out; | |
1959 | } | |
1960 | ||
7781de74 | 1961 | if (crtc_req->count_connectors > 0 && (!mode || !fb)) { |
58367ed6 | 1962 | DRM_DEBUG_KMS("Count connectors is %d but no mode or fb set\n", |
f453ba04 DA |
1963 | crtc_req->count_connectors); |
1964 | ret = -EINVAL; | |
1965 | goto out; | |
1966 | } | |
1967 | ||
1968 | if (crtc_req->count_connectors > 0) { | |
1969 | u32 out_id; | |
1970 | ||
1971 | /* Avoid unbounded kernel memory allocation */ | |
1972 | if (crtc_req->count_connectors > config->num_connector) { | |
1973 | ret = -EINVAL; | |
1974 | goto out; | |
1975 | } | |
1976 | ||
1977 | connector_set = kmalloc(crtc_req->count_connectors * | |
1978 | sizeof(struct drm_connector *), | |
1979 | GFP_KERNEL); | |
1980 | if (!connector_set) { | |
1981 | ret = -ENOMEM; | |
1982 | goto out; | |
1983 | } | |
1984 | ||
1985 | for (i = 0; i < crtc_req->count_connectors; i++) { | |
81f6c7f8 | 1986 | set_connectors_ptr = (uint32_t __user *)(unsigned long)crtc_req->set_connectors_ptr; |
f453ba04 DA |
1987 | if (get_user(out_id, &set_connectors_ptr[i])) { |
1988 | ret = -EFAULT; | |
1989 | goto out; | |
1990 | } | |
1991 | ||
1992 | obj = drm_mode_object_find(dev, out_id, | |
1993 | DRM_MODE_OBJECT_CONNECTOR); | |
1994 | if (!obj) { | |
58367ed6 ZY |
1995 | DRM_DEBUG_KMS("Connector id %d unknown\n", |
1996 | out_id); | |
f453ba04 DA |
1997 | ret = -EINVAL; |
1998 | goto out; | |
1999 | } | |
2000 | connector = obj_to_connector(obj); | |
9440106b JG |
2001 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", |
2002 | connector->base.id, | |
2003 | drm_get_connector_name(connector)); | |
f453ba04 DA |
2004 | |
2005 | connector_set[i] = connector; | |
2006 | } | |
2007 | } | |
2008 | ||
2009 | set.crtc = crtc; | |
2010 | set.x = crtc_req->x; | |
2011 | set.y = crtc_req->y; | |
2012 | set.mode = mode; | |
2013 | set.connectors = connector_set; | |
2014 | set.num_connectors = crtc_req->count_connectors; | |
5ef5f72f | 2015 | set.fb = fb; |
2d13b679 | 2016 | ret = drm_mode_set_config_internal(&set); |
f453ba04 DA |
2017 | |
2018 | out: | |
2019 | kfree(connector_set); | |
ee34ab5b | 2020 | drm_mode_destroy(dev, mode); |
84849903 | 2021 | drm_modeset_unlock_all(dev); |
f453ba04 DA |
2022 | return ret; |
2023 | } | |
2024 | ||
2025 | int drm_mode_cursor_ioctl(struct drm_device *dev, | |
2026 | void *data, struct drm_file *file_priv) | |
2027 | { | |
2028 | struct drm_mode_cursor *req = data; | |
2029 | struct drm_mode_object *obj; | |
2030 | struct drm_crtc *crtc; | |
2031 | int ret = 0; | |
2032 | ||
fb3b06c8 DA |
2033 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2034 | return -EINVAL; | |
2035 | ||
7c4eaca4 | 2036 | if (!req->flags || (~DRM_MODE_CURSOR_FLAGS & req->flags)) |
f453ba04 | 2037 | return -EINVAL; |
f453ba04 | 2038 | |
e0c8463a | 2039 | obj = drm_mode_object_find(dev, req->crtc_id, DRM_MODE_OBJECT_CRTC); |
f453ba04 | 2040 | if (!obj) { |
58367ed6 | 2041 | DRM_DEBUG_KMS("Unknown CRTC ID %d\n", req->crtc_id); |
f453ba04 DA |
2042 | ret = -EINVAL; |
2043 | goto out; | |
2044 | } | |
2045 | crtc = obj_to_crtc(obj); | |
2046 | ||
2047 | if (req->flags & DRM_MODE_CURSOR_BO) { | |
2048 | if (!crtc->funcs->cursor_set) { | |
f453ba04 DA |
2049 | ret = -ENXIO; |
2050 | goto out; | |
2051 | } | |
2052 | /* Turns off the cursor if handle is 0 */ | |
bfb89928 | 2053 | mutex_lock(&crtc->mutex); |
f453ba04 DA |
2054 | ret = crtc->funcs->cursor_set(crtc, file_priv, req->handle, |
2055 | req->width, req->height); | |
bfb89928 | 2056 | mutex_unlock(&crtc->mutex); |
f453ba04 DA |
2057 | } |
2058 | ||
2059 | if (req->flags & DRM_MODE_CURSOR_MOVE) { | |
2060 | if (crtc->funcs->cursor_move) { | |
bfb89928 | 2061 | drm_modeset_lock_all(dev); |
f453ba04 | 2062 | ret = crtc->funcs->cursor_move(crtc, req->x, req->y); |
bfb89928 | 2063 | drm_modeset_unlock_all(dev); |
f453ba04 | 2064 | } else { |
f453ba04 DA |
2065 | ret = -EFAULT; |
2066 | goto out; | |
2067 | } | |
2068 | } | |
2069 | out: | |
f453ba04 DA |
2070 | return ret; |
2071 | } | |
2072 | ||
308e5bcb JB |
2073 | /* Original addfb only supported RGB formats, so figure out which one */ |
2074 | uint32_t drm_mode_legacy_fb_format(uint32_t bpp, uint32_t depth) | |
2075 | { | |
2076 | uint32_t fmt; | |
2077 | ||
2078 | switch (bpp) { | |
2079 | case 8: | |
04b3924d | 2080 | fmt = DRM_FORMAT_RGB332; |
308e5bcb JB |
2081 | break; |
2082 | case 16: | |
2083 | if (depth == 15) | |
04b3924d | 2084 | fmt = DRM_FORMAT_XRGB1555; |
308e5bcb | 2085 | else |
04b3924d | 2086 | fmt = DRM_FORMAT_RGB565; |
308e5bcb JB |
2087 | break; |
2088 | case 24: | |
04b3924d | 2089 | fmt = DRM_FORMAT_RGB888; |
308e5bcb JB |
2090 | break; |
2091 | case 32: | |
2092 | if (depth == 24) | |
04b3924d | 2093 | fmt = DRM_FORMAT_XRGB8888; |
308e5bcb | 2094 | else if (depth == 30) |
04b3924d | 2095 | fmt = DRM_FORMAT_XRGB2101010; |
308e5bcb | 2096 | else |
04b3924d | 2097 | fmt = DRM_FORMAT_ARGB8888; |
308e5bcb JB |
2098 | break; |
2099 | default: | |
04b3924d VS |
2100 | DRM_ERROR("bad bpp, assuming x8r8g8b8 pixel format\n"); |
2101 | fmt = DRM_FORMAT_XRGB8888; | |
308e5bcb JB |
2102 | break; |
2103 | } | |
2104 | ||
2105 | return fmt; | |
2106 | } | |
2107 | EXPORT_SYMBOL(drm_mode_legacy_fb_format); | |
2108 | ||
f453ba04 DA |
2109 | /** |
2110 | * drm_mode_addfb - add an FB to the graphics configuration | |
065a50ed DV |
2111 | * @dev: drm device for the ioctl |
2112 | * @data: data pointer for the ioctl | |
2113 | * @file_priv: drm file for the ioctl call | |
f453ba04 | 2114 | * |
f453ba04 DA |
2115 | * Add a new FB to the specified CRTC, given a user request. |
2116 | * | |
2117 | * Called by the user via ioctl. | |
2118 | * | |
2119 | * RETURNS: | |
2120 | * Zero on success, errno on failure. | |
2121 | */ | |
2122 | int drm_mode_addfb(struct drm_device *dev, | |
2123 | void *data, struct drm_file *file_priv) | |
2124 | { | |
308e5bcb JB |
2125 | struct drm_mode_fb_cmd *or = data; |
2126 | struct drm_mode_fb_cmd2 r = {}; | |
2127 | struct drm_mode_config *config = &dev->mode_config; | |
2128 | struct drm_framebuffer *fb; | |
2129 | int ret = 0; | |
2130 | ||
2131 | /* Use new struct with format internally */ | |
2132 | r.fb_id = or->fb_id; | |
2133 | r.width = or->width; | |
2134 | r.height = or->height; | |
2135 | r.pitches[0] = or->pitch; | |
2136 | r.pixel_format = drm_mode_legacy_fb_format(or->bpp, or->depth); | |
2137 | r.handles[0] = or->handle; | |
2138 | ||
2139 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) | |
2140 | return -EINVAL; | |
2141 | ||
acb4b992 | 2142 | if ((config->min_width > r.width) || (r.width > config->max_width)) |
308e5bcb | 2143 | return -EINVAL; |
acb4b992 JB |
2144 | |
2145 | if ((config->min_height > r.height) || (r.height > config->max_height)) | |
308e5bcb | 2146 | return -EINVAL; |
308e5bcb | 2147 | |
84849903 | 2148 | drm_modeset_lock_all(dev); |
308e5bcb JB |
2149 | |
2150 | /* TODO check buffer is sufficiently large */ | |
2151 | /* TODO setup destructor callback */ | |
2152 | ||
2153 | fb = dev->mode_config.funcs->fb_create(dev, file_priv, &r); | |
2154 | if (IS_ERR(fb)) { | |
1aa1b11c | 2155 | DRM_DEBUG_KMS("could not create framebuffer\n"); |
308e5bcb JB |
2156 | ret = PTR_ERR(fb); |
2157 | goto out; | |
2158 | } | |
2159 | ||
2160 | or->fb_id = fb->base.id; | |
2161 | list_add(&fb->filp_head, &file_priv->fbs); | |
2162 | DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id); | |
2163 | ||
2164 | out: | |
84849903 | 2165 | drm_modeset_unlock_all(dev); |
308e5bcb JB |
2166 | return ret; |
2167 | } | |
2168 | ||
cff91b62 | 2169 | static int format_check(const struct drm_mode_fb_cmd2 *r) |
935b5977 VS |
2170 | { |
2171 | uint32_t format = r->pixel_format & ~DRM_FORMAT_BIG_ENDIAN; | |
2172 | ||
2173 | switch (format) { | |
2174 | case DRM_FORMAT_C8: | |
2175 | case DRM_FORMAT_RGB332: | |
2176 | case DRM_FORMAT_BGR233: | |
2177 | case DRM_FORMAT_XRGB4444: | |
2178 | case DRM_FORMAT_XBGR4444: | |
2179 | case DRM_FORMAT_RGBX4444: | |
2180 | case DRM_FORMAT_BGRX4444: | |
2181 | case DRM_FORMAT_ARGB4444: | |
2182 | case DRM_FORMAT_ABGR4444: | |
2183 | case DRM_FORMAT_RGBA4444: | |
2184 | case DRM_FORMAT_BGRA4444: | |
2185 | case DRM_FORMAT_XRGB1555: | |
2186 | case DRM_FORMAT_XBGR1555: | |
2187 | case DRM_FORMAT_RGBX5551: | |
2188 | case DRM_FORMAT_BGRX5551: | |
2189 | case DRM_FORMAT_ARGB1555: | |
2190 | case DRM_FORMAT_ABGR1555: | |
2191 | case DRM_FORMAT_RGBA5551: | |
2192 | case DRM_FORMAT_BGRA5551: | |
2193 | case DRM_FORMAT_RGB565: | |
2194 | case DRM_FORMAT_BGR565: | |
2195 | case DRM_FORMAT_RGB888: | |
2196 | case DRM_FORMAT_BGR888: | |
2197 | case DRM_FORMAT_XRGB8888: | |
2198 | case DRM_FORMAT_XBGR8888: | |
2199 | case DRM_FORMAT_RGBX8888: | |
2200 | case DRM_FORMAT_BGRX8888: | |
2201 | case DRM_FORMAT_ARGB8888: | |
2202 | case DRM_FORMAT_ABGR8888: | |
2203 | case DRM_FORMAT_RGBA8888: | |
2204 | case DRM_FORMAT_BGRA8888: | |
2205 | case DRM_FORMAT_XRGB2101010: | |
2206 | case DRM_FORMAT_XBGR2101010: | |
2207 | case DRM_FORMAT_RGBX1010102: | |
2208 | case DRM_FORMAT_BGRX1010102: | |
2209 | case DRM_FORMAT_ARGB2101010: | |
2210 | case DRM_FORMAT_ABGR2101010: | |
2211 | case DRM_FORMAT_RGBA1010102: | |
2212 | case DRM_FORMAT_BGRA1010102: | |
2213 | case DRM_FORMAT_YUYV: | |
2214 | case DRM_FORMAT_YVYU: | |
2215 | case DRM_FORMAT_UYVY: | |
2216 | case DRM_FORMAT_VYUY: | |
2217 | case DRM_FORMAT_AYUV: | |
2218 | case DRM_FORMAT_NV12: | |
2219 | case DRM_FORMAT_NV21: | |
2220 | case DRM_FORMAT_NV16: | |
2221 | case DRM_FORMAT_NV61: | |
ba623f6a LP |
2222 | case DRM_FORMAT_NV24: |
2223 | case DRM_FORMAT_NV42: | |
935b5977 VS |
2224 | case DRM_FORMAT_YUV410: |
2225 | case DRM_FORMAT_YVU410: | |
2226 | case DRM_FORMAT_YUV411: | |
2227 | case DRM_FORMAT_YVU411: | |
2228 | case DRM_FORMAT_YUV420: | |
2229 | case DRM_FORMAT_YVU420: | |
2230 | case DRM_FORMAT_YUV422: | |
2231 | case DRM_FORMAT_YVU422: | |
2232 | case DRM_FORMAT_YUV444: | |
2233 | case DRM_FORMAT_YVU444: | |
2234 | return 0; | |
2235 | default: | |
2236 | return -EINVAL; | |
2237 | } | |
2238 | } | |
2239 | ||
cff91b62 | 2240 | static int framebuffer_check(const struct drm_mode_fb_cmd2 *r) |
d1b45d5f VS |
2241 | { |
2242 | int ret, hsub, vsub, num_planes, i; | |
2243 | ||
2244 | ret = format_check(r); | |
2245 | if (ret) { | |
1aa1b11c | 2246 | DRM_DEBUG_KMS("bad framebuffer format 0x%08x\n", r->pixel_format); |
d1b45d5f VS |
2247 | return ret; |
2248 | } | |
2249 | ||
2250 | hsub = drm_format_horz_chroma_subsampling(r->pixel_format); | |
2251 | vsub = drm_format_vert_chroma_subsampling(r->pixel_format); | |
2252 | num_planes = drm_format_num_planes(r->pixel_format); | |
2253 | ||
2254 | if (r->width == 0 || r->width % hsub) { | |
1aa1b11c | 2255 | DRM_DEBUG_KMS("bad framebuffer width %u\n", r->height); |
d1b45d5f VS |
2256 | return -EINVAL; |
2257 | } | |
2258 | ||
2259 | if (r->height == 0 || r->height % vsub) { | |
1aa1b11c | 2260 | DRM_DEBUG_KMS("bad framebuffer height %u\n", r->height); |
d1b45d5f VS |
2261 | return -EINVAL; |
2262 | } | |
2263 | ||
2264 | for (i = 0; i < num_planes; i++) { | |
2265 | unsigned int width = r->width / (i != 0 ? hsub : 1); | |
b180b5d1 VS |
2266 | unsigned int height = r->height / (i != 0 ? vsub : 1); |
2267 | unsigned int cpp = drm_format_plane_cpp(r->pixel_format, i); | |
d1b45d5f VS |
2268 | |
2269 | if (!r->handles[i]) { | |
1aa1b11c | 2270 | DRM_DEBUG_KMS("no buffer object handle for plane %d\n", i); |
d1b45d5f VS |
2271 | return -EINVAL; |
2272 | } | |
2273 | ||
b180b5d1 VS |
2274 | if ((uint64_t) width * cpp > UINT_MAX) |
2275 | return -ERANGE; | |
2276 | ||
2277 | if ((uint64_t) height * r->pitches[i] + r->offsets[i] > UINT_MAX) | |
2278 | return -ERANGE; | |
2279 | ||
2280 | if (r->pitches[i] < width * cpp) { | |
1aa1b11c | 2281 | DRM_DEBUG_KMS("bad pitch %u for plane %d\n", r->pitches[i], i); |
d1b45d5f VS |
2282 | return -EINVAL; |
2283 | } | |
2284 | } | |
2285 | ||
2286 | return 0; | |
2287 | } | |
2288 | ||
308e5bcb JB |
2289 | /** |
2290 | * drm_mode_addfb2 - add an FB to the graphics configuration | |
065a50ed DV |
2291 | * @dev: drm device for the ioctl |
2292 | * @data: data pointer for the ioctl | |
2293 | * @file_priv: drm file for the ioctl call | |
308e5bcb | 2294 | * |
308e5bcb JB |
2295 | * Add a new FB to the specified CRTC, given a user request with format. |
2296 | * | |
2297 | * Called by the user via ioctl. | |
2298 | * | |
2299 | * RETURNS: | |
2300 | * Zero on success, errno on failure. | |
2301 | */ | |
2302 | int drm_mode_addfb2(struct drm_device *dev, | |
2303 | void *data, struct drm_file *file_priv) | |
2304 | { | |
2305 | struct drm_mode_fb_cmd2 *r = data; | |
f453ba04 DA |
2306 | struct drm_mode_config *config = &dev->mode_config; |
2307 | struct drm_framebuffer *fb; | |
4a1b0714 | 2308 | int ret; |
f453ba04 | 2309 | |
fb3b06c8 DA |
2310 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2311 | return -EINVAL; | |
2312 | ||
e3cc3520 VS |
2313 | if (r->flags & ~DRM_MODE_FB_INTERLACED) { |
2314 | DRM_DEBUG_KMS("bad framebuffer flags 0x%08x\n", r->flags); | |
2315 | return -EINVAL; | |
2316 | } | |
2317 | ||
f453ba04 | 2318 | if ((config->min_width > r->width) || (r->width > config->max_width)) { |
1aa1b11c | 2319 | DRM_DEBUG_KMS("bad framebuffer width %d, should be >= %d && <= %d\n", |
8cf5c917 | 2320 | r->width, config->min_width, config->max_width); |
f453ba04 DA |
2321 | return -EINVAL; |
2322 | } | |
2323 | if ((config->min_height > r->height) || (r->height > config->max_height)) { | |
1aa1b11c | 2324 | DRM_DEBUG_KMS("bad framebuffer height %d, should be >= %d && <= %d\n", |
8cf5c917 | 2325 | r->height, config->min_height, config->max_height); |
f453ba04 DA |
2326 | return -EINVAL; |
2327 | } | |
2328 | ||
d1b45d5f VS |
2329 | ret = framebuffer_check(r); |
2330 | if (ret) | |
935b5977 | 2331 | return ret; |
935b5977 | 2332 | |
84849903 | 2333 | drm_modeset_lock_all(dev); |
f453ba04 | 2334 | |
f453ba04 | 2335 | fb = dev->mode_config.funcs->fb_create(dev, file_priv, r); |
cce13ff7 | 2336 | if (IS_ERR(fb)) { |
1aa1b11c | 2337 | DRM_DEBUG_KMS("could not create framebuffer\n"); |
cce13ff7 | 2338 | ret = PTR_ERR(fb); |
f453ba04 DA |
2339 | goto out; |
2340 | } | |
2341 | ||
e0c8463a | 2342 | r->fb_id = fb->base.id; |
f453ba04 | 2343 | list_add(&fb->filp_head, &file_priv->fbs); |
9440106b | 2344 | DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id); |
f453ba04 DA |
2345 | |
2346 | out: | |
84849903 | 2347 | drm_modeset_unlock_all(dev); |
f453ba04 DA |
2348 | return ret; |
2349 | } | |
2350 | ||
2351 | /** | |
2352 | * drm_mode_rmfb - remove an FB from the configuration | |
065a50ed DV |
2353 | * @dev: drm device for the ioctl |
2354 | * @data: data pointer for the ioctl | |
2355 | * @file_priv: drm file for the ioctl call | |
f453ba04 | 2356 | * |
f453ba04 DA |
2357 | * Remove the FB specified by the user. |
2358 | * | |
2359 | * Called by the user via ioctl. | |
2360 | * | |
2361 | * RETURNS: | |
2362 | * Zero on success, errno on failure. | |
2363 | */ | |
2364 | int drm_mode_rmfb(struct drm_device *dev, | |
2365 | void *data, struct drm_file *file_priv) | |
2366 | { | |
2367 | struct drm_mode_object *obj; | |
2368 | struct drm_framebuffer *fb = NULL; | |
2369 | struct drm_framebuffer *fbl = NULL; | |
2370 | uint32_t *id = data; | |
2371 | int ret = 0; | |
2372 | int found = 0; | |
2373 | ||
fb3b06c8 DA |
2374 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2375 | return -EINVAL; | |
2376 | ||
84849903 | 2377 | drm_modeset_lock_all(dev); |
f453ba04 | 2378 | obj = drm_mode_object_find(dev, *id, DRM_MODE_OBJECT_FB); |
25985edc | 2379 | /* TODO check that we really get a framebuffer back. */ |
f453ba04 | 2380 | if (!obj) { |
f453ba04 DA |
2381 | ret = -EINVAL; |
2382 | goto out; | |
2383 | } | |
2384 | fb = obj_to_fb(obj); | |
2385 | ||
2386 | list_for_each_entry(fbl, &file_priv->fbs, filp_head) | |
2387 | if (fb == fbl) | |
2388 | found = 1; | |
2389 | ||
2390 | if (!found) { | |
f453ba04 DA |
2391 | ret = -EINVAL; |
2392 | goto out; | |
2393 | } | |
2394 | ||
f7eff60e | 2395 | drm_framebuffer_remove(fb); |
f453ba04 DA |
2396 | |
2397 | out: | |
84849903 | 2398 | drm_modeset_unlock_all(dev); |
f453ba04 DA |
2399 | return ret; |
2400 | } | |
2401 | ||
2402 | /** | |
2403 | * drm_mode_getfb - get FB info | |
065a50ed DV |
2404 | * @dev: drm device for the ioctl |
2405 | * @data: data pointer for the ioctl | |
2406 | * @file_priv: drm file for the ioctl call | |
f453ba04 | 2407 | * |
f453ba04 DA |
2408 | * Lookup the FB given its ID and return info about it. |
2409 | * | |
2410 | * Called by the user via ioctl. | |
2411 | * | |
2412 | * RETURNS: | |
2413 | * Zero on success, errno on failure. | |
2414 | */ | |
2415 | int drm_mode_getfb(struct drm_device *dev, | |
2416 | void *data, struct drm_file *file_priv) | |
2417 | { | |
2418 | struct drm_mode_fb_cmd *r = data; | |
2419 | struct drm_mode_object *obj; | |
2420 | struct drm_framebuffer *fb; | |
2421 | int ret = 0; | |
2422 | ||
fb3b06c8 DA |
2423 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2424 | return -EINVAL; | |
2425 | ||
84849903 | 2426 | drm_modeset_lock_all(dev); |
e0c8463a | 2427 | obj = drm_mode_object_find(dev, r->fb_id, DRM_MODE_OBJECT_FB); |
f453ba04 | 2428 | if (!obj) { |
f453ba04 DA |
2429 | ret = -EINVAL; |
2430 | goto out; | |
2431 | } | |
2432 | fb = obj_to_fb(obj); | |
2433 | ||
2434 | r->height = fb->height; | |
2435 | r->width = fb->width; | |
2436 | r->depth = fb->depth; | |
2437 | r->bpp = fb->bits_per_pixel; | |
01f2c773 | 2438 | r->pitch = fb->pitches[0]; |
af26ef3b DV |
2439 | if (fb->funcs->create_handle) |
2440 | ret = fb->funcs->create_handle(fb, file_priv, &r->handle); | |
2441 | else | |
2442 | ret = -ENODEV; | |
f453ba04 DA |
2443 | |
2444 | out: | |
84849903 | 2445 | drm_modeset_unlock_all(dev); |
f453ba04 DA |
2446 | return ret; |
2447 | } | |
2448 | ||
884840aa JB |
2449 | int drm_mode_dirtyfb_ioctl(struct drm_device *dev, |
2450 | void *data, struct drm_file *file_priv) | |
2451 | { | |
2452 | struct drm_clip_rect __user *clips_ptr; | |
2453 | struct drm_clip_rect *clips = NULL; | |
2454 | struct drm_mode_fb_dirty_cmd *r = data; | |
2455 | struct drm_mode_object *obj; | |
2456 | struct drm_framebuffer *fb; | |
2457 | unsigned flags; | |
2458 | int num_clips; | |
4a1b0714 | 2459 | int ret; |
884840aa | 2460 | |
fb3b06c8 DA |
2461 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2462 | return -EINVAL; | |
2463 | ||
84849903 | 2464 | drm_modeset_lock_all(dev); |
884840aa JB |
2465 | obj = drm_mode_object_find(dev, r->fb_id, DRM_MODE_OBJECT_FB); |
2466 | if (!obj) { | |
884840aa JB |
2467 | ret = -EINVAL; |
2468 | goto out_err1; | |
2469 | } | |
2470 | fb = obj_to_fb(obj); | |
2471 | ||
2472 | num_clips = r->num_clips; | |
81f6c7f8 | 2473 | clips_ptr = (struct drm_clip_rect __user *)(unsigned long)r->clips_ptr; |
884840aa JB |
2474 | |
2475 | if (!num_clips != !clips_ptr) { | |
2476 | ret = -EINVAL; | |
2477 | goto out_err1; | |
2478 | } | |
2479 | ||
2480 | flags = DRM_MODE_FB_DIRTY_FLAGS & r->flags; | |
2481 | ||
2482 | /* If userspace annotates copy, clips must come in pairs */ | |
2483 | if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY && (num_clips % 2)) { | |
2484 | ret = -EINVAL; | |
2485 | goto out_err1; | |
2486 | } | |
2487 | ||
2488 | if (num_clips && clips_ptr) { | |
a5cd3351 XW |
2489 | if (num_clips < 0 || num_clips > DRM_MODE_FB_DIRTY_MAX_CLIPS) { |
2490 | ret = -EINVAL; | |
2491 | goto out_err1; | |
2492 | } | |
884840aa JB |
2493 | clips = kzalloc(num_clips * sizeof(*clips), GFP_KERNEL); |
2494 | if (!clips) { | |
2495 | ret = -ENOMEM; | |
2496 | goto out_err1; | |
2497 | } | |
2498 | ||
2499 | ret = copy_from_user(clips, clips_ptr, | |
2500 | num_clips * sizeof(*clips)); | |
e902a358 DC |
2501 | if (ret) { |
2502 | ret = -EFAULT; | |
884840aa | 2503 | goto out_err2; |
e902a358 | 2504 | } |
884840aa JB |
2505 | } |
2506 | ||
2507 | if (fb->funcs->dirty) { | |
02b00162 TH |
2508 | ret = fb->funcs->dirty(fb, file_priv, flags, r->color, |
2509 | clips, num_clips); | |
884840aa JB |
2510 | } else { |
2511 | ret = -ENOSYS; | |
2512 | goto out_err2; | |
2513 | } | |
2514 | ||
2515 | out_err2: | |
2516 | kfree(clips); | |
2517 | out_err1: | |
84849903 | 2518 | drm_modeset_unlock_all(dev); |
884840aa JB |
2519 | return ret; |
2520 | } | |
2521 | ||
2522 | ||
f453ba04 DA |
2523 | /** |
2524 | * drm_fb_release - remove and free the FBs on this file | |
065a50ed | 2525 | * @priv: drm file for the ioctl |
f453ba04 | 2526 | * |
f453ba04 DA |
2527 | * Destroy all the FBs associated with @filp. |
2528 | * | |
2529 | * Called by the user via ioctl. | |
2530 | * | |
2531 | * RETURNS: | |
2532 | * Zero on success, errno on failure. | |
2533 | */ | |
ea39f835 | 2534 | void drm_fb_release(struct drm_file *priv) |
f453ba04 | 2535 | { |
f453ba04 DA |
2536 | struct drm_device *dev = priv->minor->dev; |
2537 | struct drm_framebuffer *fb, *tfb; | |
2538 | ||
84849903 | 2539 | drm_modeset_lock_all(dev); |
f453ba04 | 2540 | list_for_each_entry_safe(fb, tfb, &priv->fbs, filp_head) { |
f7eff60e | 2541 | drm_framebuffer_remove(fb); |
f453ba04 | 2542 | } |
84849903 | 2543 | drm_modeset_unlock_all(dev); |
f453ba04 DA |
2544 | } |
2545 | ||
2546 | /** | |
2547 | * drm_mode_attachmode - add a mode to the user mode list | |
2548 | * @dev: DRM device | |
2549 | * @connector: connector to add the mode to | |
2550 | * @mode: mode to add | |
2551 | * | |
2552 | * Add @mode to @connector's user mode list. | |
2553 | */ | |
1dd6c8bd VS |
2554 | static void drm_mode_attachmode(struct drm_device *dev, |
2555 | struct drm_connector *connector, | |
2556 | struct drm_display_mode *mode) | |
f453ba04 | 2557 | { |
f453ba04 | 2558 | list_add_tail(&mode->head, &connector->user_modes); |
f453ba04 DA |
2559 | } |
2560 | ||
2561 | int drm_mode_attachmode_crtc(struct drm_device *dev, struct drm_crtc *crtc, | |
ac235daf | 2562 | const struct drm_display_mode *mode) |
f453ba04 DA |
2563 | { |
2564 | struct drm_connector *connector; | |
ac235daf VS |
2565 | int ret = 0; |
2566 | struct drm_display_mode *dup_mode, *next; | |
2567 | LIST_HEAD(list); | |
2568 | ||
f453ba04 DA |
2569 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { |
2570 | if (!connector->encoder) | |
ac235daf | 2571 | continue; |
f453ba04 | 2572 | if (connector->encoder->crtc == crtc) { |
ac235daf VS |
2573 | dup_mode = drm_mode_duplicate(dev, mode); |
2574 | if (!dup_mode) { | |
2575 | ret = -ENOMEM; | |
2576 | goto out; | |
2577 | } | |
2578 | list_add_tail(&dup_mode->head, &list); | |
f453ba04 DA |
2579 | } |
2580 | } | |
ac235daf VS |
2581 | |
2582 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { | |
2583 | if (!connector->encoder) | |
2584 | continue; | |
2585 | if (connector->encoder->crtc == crtc) | |
2586 | list_move_tail(list.next, &connector->user_modes); | |
2587 | } | |
2588 | ||
2589 | WARN_ON(!list_empty(&list)); | |
2590 | ||
2591 | out: | |
2592 | list_for_each_entry_safe(dup_mode, next, &list, head) | |
2593 | drm_mode_destroy(dev, dup_mode); | |
2594 | ||
2595 | return ret; | |
f453ba04 DA |
2596 | } |
2597 | EXPORT_SYMBOL(drm_mode_attachmode_crtc); | |
2598 | ||
2599 | static int drm_mode_detachmode(struct drm_device *dev, | |
2600 | struct drm_connector *connector, | |
2601 | struct drm_display_mode *mode) | |
2602 | { | |
2603 | int found = 0; | |
2604 | int ret = 0; | |
2605 | struct drm_display_mode *match_mode, *t; | |
2606 | ||
2607 | list_for_each_entry_safe(match_mode, t, &connector->user_modes, head) { | |
2608 | if (drm_mode_equal(match_mode, mode)) { | |
2609 | list_del(&match_mode->head); | |
2610 | drm_mode_destroy(dev, match_mode); | |
2611 | found = 1; | |
2612 | break; | |
2613 | } | |
2614 | } | |
2615 | ||
2616 | if (!found) | |
2617 | ret = -EINVAL; | |
2618 | ||
2619 | return ret; | |
2620 | } | |
2621 | ||
2622 | int drm_mode_detachmode_crtc(struct drm_device *dev, struct drm_display_mode *mode) | |
2623 | { | |
2624 | struct drm_connector *connector; | |
2625 | ||
2626 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { | |
2627 | drm_mode_detachmode(dev, connector, mode); | |
2628 | } | |
2629 | return 0; | |
2630 | } | |
2631 | EXPORT_SYMBOL(drm_mode_detachmode_crtc); | |
2632 | ||
2633 | /** | |
2634 | * drm_fb_attachmode - Attach a user mode to an connector | |
065a50ed DV |
2635 | * @dev: drm device for the ioctl |
2636 | * @data: data pointer for the ioctl | |
2637 | * @file_priv: drm file for the ioctl call | |
f453ba04 DA |
2638 | * |
2639 | * This attaches a user specified mode to an connector. | |
2640 | * Called by the user via ioctl. | |
2641 | * | |
2642 | * RETURNS: | |
2643 | * Zero on success, errno on failure. | |
2644 | */ | |
2645 | int drm_mode_attachmode_ioctl(struct drm_device *dev, | |
2646 | void *data, struct drm_file *file_priv) | |
2647 | { | |
2648 | struct drm_mode_mode_cmd *mode_cmd = data; | |
2649 | struct drm_connector *connector; | |
2650 | struct drm_display_mode *mode; | |
2651 | struct drm_mode_object *obj; | |
2652 | struct drm_mode_modeinfo *umode = &mode_cmd->mode; | |
4a1b0714 | 2653 | int ret; |
f453ba04 | 2654 | |
fb3b06c8 DA |
2655 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2656 | return -EINVAL; | |
2657 | ||
84849903 | 2658 | drm_modeset_lock_all(dev); |
f453ba04 DA |
2659 | |
2660 | obj = drm_mode_object_find(dev, mode_cmd->connector_id, DRM_MODE_OBJECT_CONNECTOR); | |
2661 | if (!obj) { | |
2662 | ret = -EINVAL; | |
2663 | goto out; | |
2664 | } | |
2665 | connector = obj_to_connector(obj); | |
2666 | ||
2667 | mode = drm_mode_create(dev); | |
2668 | if (!mode) { | |
2669 | ret = -ENOMEM; | |
2670 | goto out; | |
2671 | } | |
2672 | ||
90367bf6 VS |
2673 | ret = drm_crtc_convert_umode(mode, umode); |
2674 | if (ret) { | |
2675 | DRM_DEBUG_KMS("Invalid mode\n"); | |
2676 | drm_mode_destroy(dev, mode); | |
2677 | goto out; | |
2678 | } | |
f453ba04 | 2679 | |
1dd6c8bd | 2680 | drm_mode_attachmode(dev, connector, mode); |
f453ba04 | 2681 | out: |
84849903 | 2682 | drm_modeset_unlock_all(dev); |
f453ba04 DA |
2683 | return ret; |
2684 | } | |
2685 | ||
2686 | ||
2687 | /** | |
2688 | * drm_fb_detachmode - Detach a user specified mode from an connector | |
065a50ed DV |
2689 | * @dev: drm device for the ioctl |
2690 | * @data: data pointer for the ioctl | |
2691 | * @file_priv: drm file for the ioctl call | |
f453ba04 DA |
2692 | * |
2693 | * Called by the user via ioctl. | |
2694 | * | |
2695 | * RETURNS: | |
2696 | * Zero on success, errno on failure. | |
2697 | */ | |
2698 | int drm_mode_detachmode_ioctl(struct drm_device *dev, | |
2699 | void *data, struct drm_file *file_priv) | |
2700 | { | |
2701 | struct drm_mode_object *obj; | |
2702 | struct drm_mode_mode_cmd *mode_cmd = data; | |
2703 | struct drm_connector *connector; | |
2704 | struct drm_display_mode mode; | |
2705 | struct drm_mode_modeinfo *umode = &mode_cmd->mode; | |
4a1b0714 | 2706 | int ret; |
f453ba04 | 2707 | |
fb3b06c8 DA |
2708 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2709 | return -EINVAL; | |
2710 | ||
84849903 | 2711 | drm_modeset_lock_all(dev); |
f453ba04 DA |
2712 | |
2713 | obj = drm_mode_object_find(dev, mode_cmd->connector_id, DRM_MODE_OBJECT_CONNECTOR); | |
2714 | if (!obj) { | |
2715 | ret = -EINVAL; | |
2716 | goto out; | |
2717 | } | |
2718 | connector = obj_to_connector(obj); | |
2719 | ||
90367bf6 VS |
2720 | ret = drm_crtc_convert_umode(&mode, umode); |
2721 | if (ret) { | |
2722 | DRM_DEBUG_KMS("Invalid mode\n"); | |
2723 | goto out; | |
2724 | } | |
2725 | ||
f453ba04 DA |
2726 | ret = drm_mode_detachmode(dev, connector, &mode); |
2727 | out: | |
84849903 | 2728 | drm_modeset_unlock_all(dev); |
f453ba04 DA |
2729 | return ret; |
2730 | } | |
2731 | ||
2732 | struct drm_property *drm_property_create(struct drm_device *dev, int flags, | |
2733 | const char *name, int num_values) | |
2734 | { | |
2735 | struct drm_property *property = NULL; | |
6bfc56aa | 2736 | int ret; |
f453ba04 DA |
2737 | |
2738 | property = kzalloc(sizeof(struct drm_property), GFP_KERNEL); | |
2739 | if (!property) | |
2740 | return NULL; | |
2741 | ||
2742 | if (num_values) { | |
2743 | property->values = kzalloc(sizeof(uint64_t)*num_values, GFP_KERNEL); | |
2744 | if (!property->values) | |
2745 | goto fail; | |
2746 | } | |
2747 | ||
6bfc56aa VS |
2748 | ret = drm_mode_object_get(dev, &property->base, DRM_MODE_OBJECT_PROPERTY); |
2749 | if (ret) | |
2750 | goto fail; | |
2751 | ||
f453ba04 DA |
2752 | property->flags = flags; |
2753 | property->num_values = num_values; | |
2754 | INIT_LIST_HEAD(&property->enum_blob_list); | |
2755 | ||
471dd2ef | 2756 | if (name) { |
f453ba04 | 2757 | strncpy(property->name, name, DRM_PROP_NAME_LEN); |
471dd2ef VL |
2758 | property->name[DRM_PROP_NAME_LEN-1] = '\0'; |
2759 | } | |
f453ba04 DA |
2760 | |
2761 | list_add_tail(&property->head, &dev->mode_config.property_list); | |
2762 | return property; | |
2763 | fail: | |
6bfc56aa | 2764 | kfree(property->values); |
f453ba04 DA |
2765 | kfree(property); |
2766 | return NULL; | |
2767 | } | |
2768 | EXPORT_SYMBOL(drm_property_create); | |
2769 | ||
4a67d391 SH |
2770 | struct drm_property *drm_property_create_enum(struct drm_device *dev, int flags, |
2771 | const char *name, | |
2772 | const struct drm_prop_enum_list *props, | |
2773 | int num_values) | |
2774 | { | |
2775 | struct drm_property *property; | |
2776 | int i, ret; | |
2777 | ||
2778 | flags |= DRM_MODE_PROP_ENUM; | |
2779 | ||
2780 | property = drm_property_create(dev, flags, name, num_values); | |
2781 | if (!property) | |
2782 | return NULL; | |
2783 | ||
2784 | for (i = 0; i < num_values; i++) { | |
2785 | ret = drm_property_add_enum(property, i, | |
2786 | props[i].type, | |
2787 | props[i].name); | |
2788 | if (ret) { | |
2789 | drm_property_destroy(dev, property); | |
2790 | return NULL; | |
2791 | } | |
2792 | } | |
2793 | ||
2794 | return property; | |
2795 | } | |
2796 | EXPORT_SYMBOL(drm_property_create_enum); | |
2797 | ||
49e27545 RC |
2798 | struct drm_property *drm_property_create_bitmask(struct drm_device *dev, |
2799 | int flags, const char *name, | |
2800 | const struct drm_prop_enum_list *props, | |
2801 | int num_values) | |
2802 | { | |
2803 | struct drm_property *property; | |
2804 | int i, ret; | |
2805 | ||
2806 | flags |= DRM_MODE_PROP_BITMASK; | |
2807 | ||
2808 | property = drm_property_create(dev, flags, name, num_values); | |
2809 | if (!property) | |
2810 | return NULL; | |
2811 | ||
2812 | for (i = 0; i < num_values; i++) { | |
2813 | ret = drm_property_add_enum(property, i, | |
2814 | props[i].type, | |
2815 | props[i].name); | |
2816 | if (ret) { | |
2817 | drm_property_destroy(dev, property); | |
2818 | return NULL; | |
2819 | } | |
2820 | } | |
2821 | ||
2822 | return property; | |
2823 | } | |
2824 | EXPORT_SYMBOL(drm_property_create_bitmask); | |
2825 | ||
d9bc3c02 SH |
2826 | struct drm_property *drm_property_create_range(struct drm_device *dev, int flags, |
2827 | const char *name, | |
2828 | uint64_t min, uint64_t max) | |
2829 | { | |
2830 | struct drm_property *property; | |
2831 | ||
2832 | flags |= DRM_MODE_PROP_RANGE; | |
2833 | ||
2834 | property = drm_property_create(dev, flags, name, 2); | |
2835 | if (!property) | |
2836 | return NULL; | |
2837 | ||
2838 | property->values[0] = min; | |
2839 | property->values[1] = max; | |
2840 | ||
2841 | return property; | |
2842 | } | |
2843 | EXPORT_SYMBOL(drm_property_create_range); | |
2844 | ||
f453ba04 DA |
2845 | int drm_property_add_enum(struct drm_property *property, int index, |
2846 | uint64_t value, const char *name) | |
2847 | { | |
2848 | struct drm_property_enum *prop_enum; | |
2849 | ||
49e27545 RC |
2850 | if (!(property->flags & (DRM_MODE_PROP_ENUM | DRM_MODE_PROP_BITMASK))) |
2851 | return -EINVAL; | |
2852 | ||
2853 | /* | |
2854 | * Bitmask enum properties have the additional constraint of values | |
2855 | * from 0 to 63 | |
2856 | */ | |
2857 | if ((property->flags & DRM_MODE_PROP_BITMASK) && (value > 63)) | |
f453ba04 DA |
2858 | return -EINVAL; |
2859 | ||
2860 | if (!list_empty(&property->enum_blob_list)) { | |
2861 | list_for_each_entry(prop_enum, &property->enum_blob_list, head) { | |
2862 | if (prop_enum->value == value) { | |
2863 | strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); | |
2864 | prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; | |
2865 | return 0; | |
2866 | } | |
2867 | } | |
2868 | } | |
2869 | ||
2870 | prop_enum = kzalloc(sizeof(struct drm_property_enum), GFP_KERNEL); | |
2871 | if (!prop_enum) | |
2872 | return -ENOMEM; | |
2873 | ||
2874 | strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); | |
2875 | prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; | |
2876 | prop_enum->value = value; | |
2877 | ||
2878 | property->values[index] = value; | |
2879 | list_add_tail(&prop_enum->head, &property->enum_blob_list); | |
2880 | return 0; | |
2881 | } | |
2882 | EXPORT_SYMBOL(drm_property_add_enum); | |
2883 | ||
2884 | void drm_property_destroy(struct drm_device *dev, struct drm_property *property) | |
2885 | { | |
2886 | struct drm_property_enum *prop_enum, *pt; | |
2887 | ||
2888 | list_for_each_entry_safe(prop_enum, pt, &property->enum_blob_list, head) { | |
2889 | list_del(&prop_enum->head); | |
2890 | kfree(prop_enum); | |
2891 | } | |
2892 | ||
2893 | if (property->num_values) | |
2894 | kfree(property->values); | |
2895 | drm_mode_object_put(dev, &property->base); | |
2896 | list_del(&property->head); | |
2897 | kfree(property); | |
2898 | } | |
2899 | EXPORT_SYMBOL(drm_property_destroy); | |
2900 | ||
c543188a PZ |
2901 | void drm_object_attach_property(struct drm_mode_object *obj, |
2902 | struct drm_property *property, | |
2903 | uint64_t init_val) | |
2904 | { | |
7f88a9be | 2905 | int count = obj->properties->count; |
c543188a | 2906 | |
7f88a9be PZ |
2907 | if (count == DRM_OBJECT_MAX_PROPERTY) { |
2908 | WARN(1, "Failed to attach object property (type: 0x%x). Please " | |
2909 | "increase DRM_OBJECT_MAX_PROPERTY by 1 for each time " | |
2910 | "you see this message on the same object type.\n", | |
2911 | obj->type); | |
2912 | return; | |
c543188a PZ |
2913 | } |
2914 | ||
7f88a9be PZ |
2915 | obj->properties->ids[count] = property->base.id; |
2916 | obj->properties->values[count] = init_val; | |
2917 | obj->properties->count++; | |
c543188a PZ |
2918 | } |
2919 | EXPORT_SYMBOL(drm_object_attach_property); | |
2920 | ||
2921 | int drm_object_property_set_value(struct drm_mode_object *obj, | |
2922 | struct drm_property *property, uint64_t val) | |
2923 | { | |
2924 | int i; | |
2925 | ||
7f88a9be | 2926 | for (i = 0; i < obj->properties->count; i++) { |
c543188a PZ |
2927 | if (obj->properties->ids[i] == property->base.id) { |
2928 | obj->properties->values[i] = val; | |
2929 | return 0; | |
2930 | } | |
2931 | } | |
2932 | ||
2933 | return -EINVAL; | |
2934 | } | |
2935 | EXPORT_SYMBOL(drm_object_property_set_value); | |
2936 | ||
2937 | int drm_object_property_get_value(struct drm_mode_object *obj, | |
2938 | struct drm_property *property, uint64_t *val) | |
2939 | { | |
2940 | int i; | |
2941 | ||
7f88a9be | 2942 | for (i = 0; i < obj->properties->count; i++) { |
c543188a PZ |
2943 | if (obj->properties->ids[i] == property->base.id) { |
2944 | *val = obj->properties->values[i]; | |
2945 | return 0; | |
2946 | } | |
2947 | } | |
2948 | ||
2949 | return -EINVAL; | |
2950 | } | |
2951 | EXPORT_SYMBOL(drm_object_property_get_value); | |
2952 | ||
f453ba04 DA |
2953 | int drm_mode_getproperty_ioctl(struct drm_device *dev, |
2954 | void *data, struct drm_file *file_priv) | |
2955 | { | |
2956 | struct drm_mode_object *obj; | |
2957 | struct drm_mode_get_property *out_resp = data; | |
2958 | struct drm_property *property; | |
2959 | int enum_count = 0; | |
2960 | int blob_count = 0; | |
2961 | int value_count = 0; | |
2962 | int ret = 0, i; | |
2963 | int copied; | |
2964 | struct drm_property_enum *prop_enum; | |
2965 | struct drm_mode_property_enum __user *enum_ptr; | |
2966 | struct drm_property_blob *prop_blob; | |
81f6c7f8 | 2967 | uint32_t __user *blob_id_ptr; |
f453ba04 DA |
2968 | uint64_t __user *values_ptr; |
2969 | uint32_t __user *blob_length_ptr; | |
2970 | ||
fb3b06c8 DA |
2971 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2972 | return -EINVAL; | |
2973 | ||
84849903 | 2974 | drm_modeset_lock_all(dev); |
f453ba04 DA |
2975 | obj = drm_mode_object_find(dev, out_resp->prop_id, DRM_MODE_OBJECT_PROPERTY); |
2976 | if (!obj) { | |
2977 | ret = -EINVAL; | |
2978 | goto done; | |
2979 | } | |
2980 | property = obj_to_property(obj); | |
2981 | ||
49e27545 | 2982 | if (property->flags & (DRM_MODE_PROP_ENUM | DRM_MODE_PROP_BITMASK)) { |
f453ba04 DA |
2983 | list_for_each_entry(prop_enum, &property->enum_blob_list, head) |
2984 | enum_count++; | |
2985 | } else if (property->flags & DRM_MODE_PROP_BLOB) { | |
2986 | list_for_each_entry(prop_blob, &property->enum_blob_list, head) | |
2987 | blob_count++; | |
2988 | } | |
2989 | ||
2990 | value_count = property->num_values; | |
2991 | ||
2992 | strncpy(out_resp->name, property->name, DRM_PROP_NAME_LEN); | |
2993 | out_resp->name[DRM_PROP_NAME_LEN-1] = 0; | |
2994 | out_resp->flags = property->flags; | |
2995 | ||
2996 | if ((out_resp->count_values >= value_count) && value_count) { | |
81f6c7f8 | 2997 | values_ptr = (uint64_t __user *)(unsigned long)out_resp->values_ptr; |
f453ba04 DA |
2998 | for (i = 0; i < value_count; i++) { |
2999 | if (copy_to_user(values_ptr + i, &property->values[i], sizeof(uint64_t))) { | |
3000 | ret = -EFAULT; | |
3001 | goto done; | |
3002 | } | |
3003 | } | |
3004 | } | |
3005 | out_resp->count_values = value_count; | |
3006 | ||
49e27545 | 3007 | if (property->flags & (DRM_MODE_PROP_ENUM | DRM_MODE_PROP_BITMASK)) { |
f453ba04 DA |
3008 | if ((out_resp->count_enum_blobs >= enum_count) && enum_count) { |
3009 | copied = 0; | |
81f6c7f8 | 3010 | enum_ptr = (struct drm_mode_property_enum __user *)(unsigned long)out_resp->enum_blob_ptr; |
f453ba04 DA |
3011 | list_for_each_entry(prop_enum, &property->enum_blob_list, head) { |
3012 | ||
3013 | if (copy_to_user(&enum_ptr[copied].value, &prop_enum->value, sizeof(uint64_t))) { | |
3014 | ret = -EFAULT; | |
3015 | goto done; | |
3016 | } | |
3017 | ||
3018 | if (copy_to_user(&enum_ptr[copied].name, | |
3019 | &prop_enum->name, DRM_PROP_NAME_LEN)) { | |
3020 | ret = -EFAULT; | |
3021 | goto done; | |
3022 | } | |
3023 | copied++; | |
3024 | } | |
3025 | } | |
3026 | out_resp->count_enum_blobs = enum_count; | |
3027 | } | |
3028 | ||
3029 | if (property->flags & DRM_MODE_PROP_BLOB) { | |
3030 | if ((out_resp->count_enum_blobs >= blob_count) && blob_count) { | |
3031 | copied = 0; | |
81f6c7f8 VS |
3032 | blob_id_ptr = (uint32_t __user *)(unsigned long)out_resp->enum_blob_ptr; |
3033 | blob_length_ptr = (uint32_t __user *)(unsigned long)out_resp->values_ptr; | |
f453ba04 DA |
3034 | |
3035 | list_for_each_entry(prop_blob, &property->enum_blob_list, head) { | |
3036 | if (put_user(prop_blob->base.id, blob_id_ptr + copied)) { | |
3037 | ret = -EFAULT; | |
3038 | goto done; | |
3039 | } | |
3040 | ||
3041 | if (put_user(prop_blob->length, blob_length_ptr + copied)) { | |
3042 | ret = -EFAULT; | |
3043 | goto done; | |
3044 | } | |
3045 | ||
3046 | copied++; | |
3047 | } | |
3048 | } | |
3049 | out_resp->count_enum_blobs = blob_count; | |
3050 | } | |
3051 | done: | |
84849903 | 3052 | drm_modeset_unlock_all(dev); |
f453ba04 DA |
3053 | return ret; |
3054 | } | |
3055 | ||
3056 | static struct drm_property_blob *drm_property_create_blob(struct drm_device *dev, int length, | |
3057 | void *data) | |
3058 | { | |
3059 | struct drm_property_blob *blob; | |
6bfc56aa | 3060 | int ret; |
f453ba04 DA |
3061 | |
3062 | if (!length || !data) | |
3063 | return NULL; | |
3064 | ||
3065 | blob = kzalloc(sizeof(struct drm_property_blob)+length, GFP_KERNEL); | |
3066 | if (!blob) | |
3067 | return NULL; | |
3068 | ||
6bfc56aa VS |
3069 | ret = drm_mode_object_get(dev, &blob->base, DRM_MODE_OBJECT_BLOB); |
3070 | if (ret) { | |
3071 | kfree(blob); | |
3072 | return NULL; | |
3073 | } | |
3074 | ||
f453ba04 DA |
3075 | blob->length = length; |
3076 | ||
3077 | memcpy(blob->data, data, length); | |
3078 | ||
f453ba04 DA |
3079 | list_add_tail(&blob->head, &dev->mode_config.property_blob_list); |
3080 | return blob; | |
3081 | } | |
3082 | ||
3083 | static void drm_property_destroy_blob(struct drm_device *dev, | |
3084 | struct drm_property_blob *blob) | |
3085 | { | |
3086 | drm_mode_object_put(dev, &blob->base); | |
3087 | list_del(&blob->head); | |
3088 | kfree(blob); | |
3089 | } | |
3090 | ||
3091 | int drm_mode_getblob_ioctl(struct drm_device *dev, | |
3092 | void *data, struct drm_file *file_priv) | |
3093 | { | |
3094 | struct drm_mode_object *obj; | |
3095 | struct drm_mode_get_blob *out_resp = data; | |
3096 | struct drm_property_blob *blob; | |
3097 | int ret = 0; | |
81f6c7f8 | 3098 | void __user *blob_ptr; |
f453ba04 | 3099 | |
fb3b06c8 DA |
3100 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
3101 | return -EINVAL; | |
3102 | ||
84849903 | 3103 | drm_modeset_lock_all(dev); |
f453ba04 DA |
3104 | obj = drm_mode_object_find(dev, out_resp->blob_id, DRM_MODE_OBJECT_BLOB); |
3105 | if (!obj) { | |
3106 | ret = -EINVAL; | |
3107 | goto done; | |
3108 | } | |
3109 | blob = obj_to_blob(obj); | |
3110 | ||
3111 | if (out_resp->length == blob->length) { | |
81f6c7f8 | 3112 | blob_ptr = (void __user *)(unsigned long)out_resp->data; |
f453ba04 DA |
3113 | if (copy_to_user(blob_ptr, blob->data, blob->length)){ |
3114 | ret = -EFAULT; | |
3115 | goto done; | |
3116 | } | |
3117 | } | |
3118 | out_resp->length = blob->length; | |
3119 | ||
3120 | done: | |
84849903 | 3121 | drm_modeset_unlock_all(dev); |
f453ba04 DA |
3122 | return ret; |
3123 | } | |
3124 | ||
3125 | int drm_mode_connector_update_edid_property(struct drm_connector *connector, | |
3126 | struct edid *edid) | |
3127 | { | |
3128 | struct drm_device *dev = connector->dev; | |
4a1b0714 | 3129 | int ret, size; |
f453ba04 DA |
3130 | |
3131 | if (connector->edid_blob_ptr) | |
3132 | drm_property_destroy_blob(dev, connector->edid_blob_ptr); | |
3133 | ||
3134 | /* Delete edid, when there is none. */ | |
3135 | if (!edid) { | |
3136 | connector->edid_blob_ptr = NULL; | |
58495563 | 3137 | ret = drm_object_property_set_value(&connector->base, dev->mode_config.edid_property, 0); |
f453ba04 DA |
3138 | return ret; |
3139 | } | |
3140 | ||
7466f4cc AJ |
3141 | size = EDID_LENGTH * (1 + edid->extensions); |
3142 | connector->edid_blob_ptr = drm_property_create_blob(connector->dev, | |
3143 | size, edid); | |
e655d122 SK |
3144 | if (!connector->edid_blob_ptr) |
3145 | return -EINVAL; | |
f453ba04 | 3146 | |
58495563 | 3147 | ret = drm_object_property_set_value(&connector->base, |
f453ba04 DA |
3148 | dev->mode_config.edid_property, |
3149 | connector->edid_blob_ptr->base.id); | |
3150 | ||
3151 | return ret; | |
3152 | } | |
3153 | EXPORT_SYMBOL(drm_mode_connector_update_edid_property); | |
3154 | ||
26a34815 | 3155 | static bool drm_property_change_is_valid(struct drm_property *property, |
592c20ee | 3156 | uint64_t value) |
26a34815 PZ |
3157 | { |
3158 | if (property->flags & DRM_MODE_PROP_IMMUTABLE) | |
3159 | return false; | |
3160 | if (property->flags & DRM_MODE_PROP_RANGE) { | |
3161 | if (value < property->values[0] || value > property->values[1]) | |
3162 | return false; | |
3163 | return true; | |
49e27545 RC |
3164 | } else if (property->flags & DRM_MODE_PROP_BITMASK) { |
3165 | int i; | |
592c20ee | 3166 | uint64_t valid_mask = 0; |
49e27545 RC |
3167 | for (i = 0; i < property->num_values; i++) |
3168 | valid_mask |= (1ULL << property->values[i]); | |
3169 | return !(value & ~valid_mask); | |
c4a56750 VS |
3170 | } else if (property->flags & DRM_MODE_PROP_BLOB) { |
3171 | /* Only the driver knows */ | |
3172 | return true; | |
26a34815 PZ |
3173 | } else { |
3174 | int i; | |
3175 | for (i = 0; i < property->num_values; i++) | |
3176 | if (property->values[i] == value) | |
3177 | return true; | |
3178 | return false; | |
3179 | } | |
3180 | } | |
3181 | ||
f453ba04 DA |
3182 | int drm_mode_connector_property_set_ioctl(struct drm_device *dev, |
3183 | void *data, struct drm_file *file_priv) | |
3184 | { | |
0057d8dd PZ |
3185 | struct drm_mode_connector_set_property *conn_set_prop = data; |
3186 | struct drm_mode_obj_set_property obj_set_prop = { | |
3187 | .value = conn_set_prop->value, | |
3188 | .prop_id = conn_set_prop->prop_id, | |
3189 | .obj_id = conn_set_prop->connector_id, | |
3190 | .obj_type = DRM_MODE_OBJECT_CONNECTOR | |
3191 | }; | |
fb3b06c8 | 3192 | |
0057d8dd PZ |
3193 | /* It does all the locking and checking we need */ |
3194 | return drm_mode_obj_set_property_ioctl(dev, &obj_set_prop, file_priv); | |
f453ba04 DA |
3195 | } |
3196 | ||
c543188a PZ |
3197 | static int drm_mode_connector_set_obj_prop(struct drm_mode_object *obj, |
3198 | struct drm_property *property, | |
3199 | uint64_t value) | |
3200 | { | |
3201 | int ret = -EINVAL; | |
3202 | struct drm_connector *connector = obj_to_connector(obj); | |
3203 | ||
3204 | /* Do DPMS ourselves */ | |
3205 | if (property == connector->dev->mode_config.dpms_property) { | |
3206 | if (connector->funcs->dpms) | |
3207 | (*connector->funcs->dpms)(connector, (int)value); | |
3208 | ret = 0; | |
3209 | } else if (connector->funcs->set_property) | |
3210 | ret = connector->funcs->set_property(connector, property, value); | |
3211 | ||
3212 | /* store the property value if successful */ | |
3213 | if (!ret) | |
58495563 | 3214 | drm_object_property_set_value(&connector->base, property, value); |
c543188a PZ |
3215 | return ret; |
3216 | } | |
3217 | ||
bffd9de0 PZ |
3218 | static int drm_mode_crtc_set_obj_prop(struct drm_mode_object *obj, |
3219 | struct drm_property *property, | |
3220 | uint64_t value) | |
3221 | { | |
3222 | int ret = -EINVAL; | |
3223 | struct drm_crtc *crtc = obj_to_crtc(obj); | |
3224 | ||
3225 | if (crtc->funcs->set_property) | |
3226 | ret = crtc->funcs->set_property(crtc, property, value); | |
3227 | if (!ret) | |
3228 | drm_object_property_set_value(obj, property, value); | |
3229 | ||
3230 | return ret; | |
3231 | } | |
3232 | ||
4d93914a RC |
3233 | static int drm_mode_plane_set_obj_prop(struct drm_mode_object *obj, |
3234 | struct drm_property *property, | |
3235 | uint64_t value) | |
3236 | { | |
3237 | int ret = -EINVAL; | |
3238 | struct drm_plane *plane = obj_to_plane(obj); | |
3239 | ||
3240 | if (plane->funcs->set_property) | |
3241 | ret = plane->funcs->set_property(plane, property, value); | |
3242 | if (!ret) | |
3243 | drm_object_property_set_value(obj, property, value); | |
3244 | ||
3245 | return ret; | |
3246 | } | |
3247 | ||
c543188a PZ |
3248 | int drm_mode_obj_get_properties_ioctl(struct drm_device *dev, void *data, |
3249 | struct drm_file *file_priv) | |
3250 | { | |
3251 | struct drm_mode_obj_get_properties *arg = data; | |
3252 | struct drm_mode_object *obj; | |
3253 | int ret = 0; | |
3254 | int i; | |
3255 | int copied = 0; | |
3256 | int props_count = 0; | |
3257 | uint32_t __user *props_ptr; | |
3258 | uint64_t __user *prop_values_ptr; | |
3259 | ||
3260 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) | |
3261 | return -EINVAL; | |
3262 | ||
84849903 | 3263 | drm_modeset_lock_all(dev); |
c543188a PZ |
3264 | |
3265 | obj = drm_mode_object_find(dev, arg->obj_id, arg->obj_type); | |
3266 | if (!obj) { | |
3267 | ret = -EINVAL; | |
3268 | goto out; | |
3269 | } | |
3270 | if (!obj->properties) { | |
3271 | ret = -EINVAL; | |
3272 | goto out; | |
3273 | } | |
3274 | ||
7f88a9be | 3275 | props_count = obj->properties->count; |
c543188a PZ |
3276 | |
3277 | /* This ioctl is called twice, once to determine how much space is | |
3278 | * needed, and the 2nd time to fill it. */ | |
3279 | if ((arg->count_props >= props_count) && props_count) { | |
3280 | copied = 0; | |
3281 | props_ptr = (uint32_t __user *)(unsigned long)(arg->props_ptr); | |
3282 | prop_values_ptr = (uint64_t __user *)(unsigned long) | |
3283 | (arg->prop_values_ptr); | |
3284 | for (i = 0; i < props_count; i++) { | |
3285 | if (put_user(obj->properties->ids[i], | |
3286 | props_ptr + copied)) { | |
3287 | ret = -EFAULT; | |
3288 | goto out; | |
3289 | } | |
3290 | if (put_user(obj->properties->values[i], | |
3291 | prop_values_ptr + copied)) { | |
3292 | ret = -EFAULT; | |
3293 | goto out; | |
3294 | } | |
3295 | copied++; | |
3296 | } | |
3297 | } | |
3298 | arg->count_props = props_count; | |
3299 | out: | |
84849903 | 3300 | drm_modeset_unlock_all(dev); |
c543188a PZ |
3301 | return ret; |
3302 | } | |
3303 | ||
3304 | int drm_mode_obj_set_property_ioctl(struct drm_device *dev, void *data, | |
3305 | struct drm_file *file_priv) | |
3306 | { | |
3307 | struct drm_mode_obj_set_property *arg = data; | |
3308 | struct drm_mode_object *arg_obj; | |
3309 | struct drm_mode_object *prop_obj; | |
3310 | struct drm_property *property; | |
3311 | int ret = -EINVAL; | |
3312 | int i; | |
3313 | ||
3314 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) | |
3315 | return -EINVAL; | |
3316 | ||
84849903 | 3317 | drm_modeset_lock_all(dev); |
c543188a PZ |
3318 | |
3319 | arg_obj = drm_mode_object_find(dev, arg->obj_id, arg->obj_type); | |
3320 | if (!arg_obj) | |
3321 | goto out; | |
3322 | if (!arg_obj->properties) | |
3323 | goto out; | |
3324 | ||
7f88a9be | 3325 | for (i = 0; i < arg_obj->properties->count; i++) |
c543188a PZ |
3326 | if (arg_obj->properties->ids[i] == arg->prop_id) |
3327 | break; | |
3328 | ||
7f88a9be | 3329 | if (i == arg_obj->properties->count) |
c543188a PZ |
3330 | goto out; |
3331 | ||
3332 | prop_obj = drm_mode_object_find(dev, arg->prop_id, | |
3333 | DRM_MODE_OBJECT_PROPERTY); | |
3334 | if (!prop_obj) | |
3335 | goto out; | |
3336 | property = obj_to_property(prop_obj); | |
3337 | ||
3338 | if (!drm_property_change_is_valid(property, arg->value)) | |
3339 | goto out; | |
3340 | ||
3341 | switch (arg_obj->type) { | |
3342 | case DRM_MODE_OBJECT_CONNECTOR: | |
3343 | ret = drm_mode_connector_set_obj_prop(arg_obj, property, | |
3344 | arg->value); | |
3345 | break; | |
bffd9de0 PZ |
3346 | case DRM_MODE_OBJECT_CRTC: |
3347 | ret = drm_mode_crtc_set_obj_prop(arg_obj, property, arg->value); | |
3348 | break; | |
4d93914a RC |
3349 | case DRM_MODE_OBJECT_PLANE: |
3350 | ret = drm_mode_plane_set_obj_prop(arg_obj, property, arg->value); | |
3351 | break; | |
c543188a PZ |
3352 | } |
3353 | ||
3354 | out: | |
84849903 | 3355 | drm_modeset_unlock_all(dev); |
c543188a PZ |
3356 | return ret; |
3357 | } | |
3358 | ||
f453ba04 DA |
3359 | int drm_mode_connector_attach_encoder(struct drm_connector *connector, |
3360 | struct drm_encoder *encoder) | |
3361 | { | |
3362 | int i; | |
3363 | ||
3364 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { | |
3365 | if (connector->encoder_ids[i] == 0) { | |
3366 | connector->encoder_ids[i] = encoder->base.id; | |
3367 | return 0; | |
3368 | } | |
3369 | } | |
3370 | return -ENOMEM; | |
3371 | } | |
3372 | EXPORT_SYMBOL(drm_mode_connector_attach_encoder); | |
3373 | ||
3374 | void drm_mode_connector_detach_encoder(struct drm_connector *connector, | |
3375 | struct drm_encoder *encoder) | |
3376 | { | |
3377 | int i; | |
3378 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { | |
3379 | if (connector->encoder_ids[i] == encoder->base.id) { | |
3380 | connector->encoder_ids[i] = 0; | |
3381 | if (connector->encoder == encoder) | |
3382 | connector->encoder = NULL; | |
3383 | break; | |
3384 | } | |
3385 | } | |
3386 | } | |
3387 | EXPORT_SYMBOL(drm_mode_connector_detach_encoder); | |
3388 | ||
4cae5b84 | 3389 | int drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc, |
f453ba04 DA |
3390 | int gamma_size) |
3391 | { | |
3392 | crtc->gamma_size = gamma_size; | |
3393 | ||
3394 | crtc->gamma_store = kzalloc(gamma_size * sizeof(uint16_t) * 3, GFP_KERNEL); | |
3395 | if (!crtc->gamma_store) { | |
3396 | crtc->gamma_size = 0; | |
4cae5b84 | 3397 | return -ENOMEM; |
f453ba04 DA |
3398 | } |
3399 | ||
4cae5b84 | 3400 | return 0; |
f453ba04 DA |
3401 | } |
3402 | EXPORT_SYMBOL(drm_mode_crtc_set_gamma_size); | |
3403 | ||
3404 | int drm_mode_gamma_set_ioctl(struct drm_device *dev, | |
3405 | void *data, struct drm_file *file_priv) | |
3406 | { | |
3407 | struct drm_mode_crtc_lut *crtc_lut = data; | |
3408 | struct drm_mode_object *obj; | |
3409 | struct drm_crtc *crtc; | |
3410 | void *r_base, *g_base, *b_base; | |
3411 | int size; | |
3412 | int ret = 0; | |
3413 | ||
fb3b06c8 DA |
3414 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
3415 | return -EINVAL; | |
3416 | ||
84849903 | 3417 | drm_modeset_lock_all(dev); |
f453ba04 DA |
3418 | obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC); |
3419 | if (!obj) { | |
3420 | ret = -EINVAL; | |
3421 | goto out; | |
3422 | } | |
3423 | crtc = obj_to_crtc(obj); | |
3424 | ||
ebe0f244 LP |
3425 | if (crtc->funcs->gamma_set == NULL) { |
3426 | ret = -ENOSYS; | |
3427 | goto out; | |
3428 | } | |
3429 | ||
f453ba04 DA |
3430 | /* memcpy into gamma store */ |
3431 | if (crtc_lut->gamma_size != crtc->gamma_size) { | |
3432 | ret = -EINVAL; | |
3433 | goto out; | |
3434 | } | |
3435 | ||
3436 | size = crtc_lut->gamma_size * (sizeof(uint16_t)); | |
3437 | r_base = crtc->gamma_store; | |
3438 | if (copy_from_user(r_base, (void __user *)(unsigned long)crtc_lut->red, size)) { | |
3439 | ret = -EFAULT; | |
3440 | goto out; | |
3441 | } | |
3442 | ||
3443 | g_base = r_base + size; | |
3444 | if (copy_from_user(g_base, (void __user *)(unsigned long)crtc_lut->green, size)) { | |
3445 | ret = -EFAULT; | |
3446 | goto out; | |
3447 | } | |
3448 | ||
3449 | b_base = g_base + size; | |
3450 | if (copy_from_user(b_base, (void __user *)(unsigned long)crtc_lut->blue, size)) { | |
3451 | ret = -EFAULT; | |
3452 | goto out; | |
3453 | } | |
3454 | ||
7203425a | 3455 | crtc->funcs->gamma_set(crtc, r_base, g_base, b_base, 0, crtc->gamma_size); |
f453ba04 DA |
3456 | |
3457 | out: | |
84849903 | 3458 | drm_modeset_unlock_all(dev); |
f453ba04 DA |
3459 | return ret; |
3460 | ||
3461 | } | |
3462 | ||
3463 | int drm_mode_gamma_get_ioctl(struct drm_device *dev, | |
3464 | void *data, struct drm_file *file_priv) | |
3465 | { | |
3466 | struct drm_mode_crtc_lut *crtc_lut = data; | |
3467 | struct drm_mode_object *obj; | |
3468 | struct drm_crtc *crtc; | |
3469 | void *r_base, *g_base, *b_base; | |
3470 | int size; | |
3471 | int ret = 0; | |
3472 | ||
fb3b06c8 DA |
3473 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
3474 | return -EINVAL; | |
3475 | ||
84849903 | 3476 | drm_modeset_lock_all(dev); |
f453ba04 DA |
3477 | obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC); |
3478 | if (!obj) { | |
3479 | ret = -EINVAL; | |
3480 | goto out; | |
3481 | } | |
3482 | crtc = obj_to_crtc(obj); | |
3483 | ||
3484 | /* memcpy into gamma store */ | |
3485 | if (crtc_lut->gamma_size != crtc->gamma_size) { | |
3486 | ret = -EINVAL; | |
3487 | goto out; | |
3488 | } | |
3489 | ||
3490 | size = crtc_lut->gamma_size * (sizeof(uint16_t)); | |
3491 | r_base = crtc->gamma_store; | |
3492 | if (copy_to_user((void __user *)(unsigned long)crtc_lut->red, r_base, size)) { | |
3493 | ret = -EFAULT; | |
3494 | goto out; | |
3495 | } | |
3496 | ||
3497 | g_base = r_base + size; | |
3498 | if (copy_to_user((void __user *)(unsigned long)crtc_lut->green, g_base, size)) { | |
3499 | ret = -EFAULT; | |
3500 | goto out; | |
3501 | } | |
3502 | ||
3503 | b_base = g_base + size; | |
3504 | if (copy_to_user((void __user *)(unsigned long)crtc_lut->blue, b_base, size)) { | |
3505 | ret = -EFAULT; | |
3506 | goto out; | |
3507 | } | |
3508 | out: | |
84849903 | 3509 | drm_modeset_unlock_all(dev); |
f453ba04 DA |
3510 | return ret; |
3511 | } | |
d91d8a3f KH |
3512 | |
3513 | int drm_mode_page_flip_ioctl(struct drm_device *dev, | |
3514 | void *data, struct drm_file *file_priv) | |
3515 | { | |
3516 | struct drm_mode_crtc_page_flip *page_flip = data; | |
3517 | struct drm_mode_object *obj; | |
3518 | struct drm_crtc *crtc; | |
3519 | struct drm_framebuffer *fb; | |
3520 | struct drm_pending_vblank_event *e = NULL; | |
3521 | unsigned long flags; | |
7c80e128 | 3522 | int hdisplay, vdisplay; |
d91d8a3f KH |
3523 | int ret = -EINVAL; |
3524 | ||
3525 | if (page_flip->flags & ~DRM_MODE_PAGE_FLIP_FLAGS || | |
3526 | page_flip->reserved != 0) | |
3527 | return -EINVAL; | |
3528 | ||
84849903 | 3529 | drm_modeset_lock_all(dev); |
d91d8a3f KH |
3530 | obj = drm_mode_object_find(dev, page_flip->crtc_id, DRM_MODE_OBJECT_CRTC); |
3531 | if (!obj) | |
3532 | goto out; | |
3533 | crtc = obj_to_crtc(obj); | |
3534 | ||
90c1efdd CW |
3535 | if (crtc->fb == NULL) { |
3536 | /* The framebuffer is currently unbound, presumably | |
3537 | * due to a hotplug event, that userspace has not | |
3538 | * yet discovered. | |
3539 | */ | |
3540 | ret = -EBUSY; | |
3541 | goto out; | |
3542 | } | |
3543 | ||
d91d8a3f KH |
3544 | if (crtc->funcs->page_flip == NULL) |
3545 | goto out; | |
3546 | ||
3547 | obj = drm_mode_object_find(dev, page_flip->fb_id, DRM_MODE_OBJECT_FB); | |
3548 | if (!obj) | |
3549 | goto out; | |
3550 | fb = obj_to_fb(obj); | |
3551 | ||
7c80e128 RC |
3552 | hdisplay = crtc->mode.hdisplay; |
3553 | vdisplay = crtc->mode.vdisplay; | |
3554 | ||
3555 | if (crtc->invert_dimensions) | |
3556 | swap(hdisplay, vdisplay); | |
3557 | ||
3558 | if (hdisplay > fb->width || | |
3559 | vdisplay > fb->height || | |
3560 | crtc->x > fb->width - hdisplay || | |
3561 | crtc->y > fb->height - vdisplay) { | |
3562 | DRM_DEBUG_KMS("Invalid fb size %ux%u for CRTC viewport %ux%u+%d+%d%s.\n", | |
3563 | fb->width, fb->height, hdisplay, vdisplay, crtc->x, crtc->y, | |
3564 | crtc->invert_dimensions ? " (inverted)" : ""); | |
5f61bb42 VS |
3565 | ret = -ENOSPC; |
3566 | goto out; | |
3567 | } | |
3568 | ||
d91d8a3f KH |
3569 | if (page_flip->flags & DRM_MODE_PAGE_FLIP_EVENT) { |
3570 | ret = -ENOMEM; | |
3571 | spin_lock_irqsave(&dev->event_lock, flags); | |
3572 | if (file_priv->event_space < sizeof e->event) { | |
3573 | spin_unlock_irqrestore(&dev->event_lock, flags); | |
3574 | goto out; | |
3575 | } | |
3576 | file_priv->event_space -= sizeof e->event; | |
3577 | spin_unlock_irqrestore(&dev->event_lock, flags); | |
3578 | ||
3579 | e = kzalloc(sizeof *e, GFP_KERNEL); | |
3580 | if (e == NULL) { | |
3581 | spin_lock_irqsave(&dev->event_lock, flags); | |
3582 | file_priv->event_space += sizeof e->event; | |
3583 | spin_unlock_irqrestore(&dev->event_lock, flags); | |
3584 | goto out; | |
3585 | } | |
3586 | ||
7bd4d7be | 3587 | e->event.base.type = DRM_EVENT_FLIP_COMPLETE; |
d91d8a3f KH |
3588 | e->event.base.length = sizeof e->event; |
3589 | e->event.user_data = page_flip->user_data; | |
3590 | e->base.event = &e->event.base; | |
3591 | e->base.file_priv = file_priv; | |
3592 | e->base.destroy = | |
3593 | (void (*) (struct drm_pending_event *)) kfree; | |
3594 | } | |
3595 | ||
3596 | ret = crtc->funcs->page_flip(crtc, fb, e); | |
3597 | if (ret) { | |
aef6a7ee JS |
3598 | if (page_flip->flags & DRM_MODE_PAGE_FLIP_EVENT) { |
3599 | spin_lock_irqsave(&dev->event_lock, flags); | |
3600 | file_priv->event_space += sizeof e->event; | |
3601 | spin_unlock_irqrestore(&dev->event_lock, flags); | |
3602 | kfree(e); | |
3603 | } | |
d91d8a3f KH |
3604 | } |
3605 | ||
3606 | out: | |
84849903 | 3607 | drm_modeset_unlock_all(dev); |
d91d8a3f KH |
3608 | return ret; |
3609 | } | |
eb033556 CW |
3610 | |
3611 | void drm_mode_config_reset(struct drm_device *dev) | |
3612 | { | |
3613 | struct drm_crtc *crtc; | |
3614 | struct drm_encoder *encoder; | |
3615 | struct drm_connector *connector; | |
3616 | ||
3617 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) | |
3618 | if (crtc->funcs->reset) | |
3619 | crtc->funcs->reset(crtc); | |
3620 | ||
3621 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) | |
3622 | if (encoder->funcs->reset) | |
3623 | encoder->funcs->reset(encoder); | |
3624 | ||
5e2cb2f6 DV |
3625 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { |
3626 | connector->status = connector_status_unknown; | |
3627 | ||
eb033556 CW |
3628 | if (connector->funcs->reset) |
3629 | connector->funcs->reset(connector); | |
5e2cb2f6 | 3630 | } |
eb033556 CW |
3631 | } |
3632 | EXPORT_SYMBOL(drm_mode_config_reset); | |
ff72145b DA |
3633 | |
3634 | int drm_mode_create_dumb_ioctl(struct drm_device *dev, | |
3635 | void *data, struct drm_file *file_priv) | |
3636 | { | |
3637 | struct drm_mode_create_dumb *args = data; | |
3638 | ||
3639 | if (!dev->driver->dumb_create) | |
3640 | return -ENOSYS; | |
3641 | return dev->driver->dumb_create(file_priv, dev, args); | |
3642 | } | |
3643 | ||
3644 | int drm_mode_mmap_dumb_ioctl(struct drm_device *dev, | |
3645 | void *data, struct drm_file *file_priv) | |
3646 | { | |
3647 | struct drm_mode_map_dumb *args = data; | |
3648 | ||
3649 | /* call driver ioctl to get mmap offset */ | |
3650 | if (!dev->driver->dumb_map_offset) | |
3651 | return -ENOSYS; | |
3652 | ||
3653 | return dev->driver->dumb_map_offset(file_priv, dev, args->handle, &args->offset); | |
3654 | } | |
3655 | ||
3656 | int drm_mode_destroy_dumb_ioctl(struct drm_device *dev, | |
3657 | void *data, struct drm_file *file_priv) | |
3658 | { | |
3659 | struct drm_mode_destroy_dumb *args = data; | |
3660 | ||
3661 | if (!dev->driver->dumb_destroy) | |
3662 | return -ENOSYS; | |
3663 | ||
3664 | return dev->driver->dumb_destroy(file_priv, dev, args->handle); | |
3665 | } | |
248dbc23 DA |
3666 | |
3667 | /* | |
3668 | * Just need to support RGB formats here for compat with code that doesn't | |
3669 | * use pixel formats directly yet. | |
3670 | */ | |
3671 | void drm_fb_get_bpp_depth(uint32_t format, unsigned int *depth, | |
3672 | int *bpp) | |
3673 | { | |
3674 | switch (format) { | |
04b3924d VS |
3675 | case DRM_FORMAT_RGB332: |
3676 | case DRM_FORMAT_BGR233: | |
248dbc23 DA |
3677 | *depth = 8; |
3678 | *bpp = 8; | |
3679 | break; | |
04b3924d VS |
3680 | case DRM_FORMAT_XRGB1555: |
3681 | case DRM_FORMAT_XBGR1555: | |
3682 | case DRM_FORMAT_RGBX5551: | |
3683 | case DRM_FORMAT_BGRX5551: | |
3684 | case DRM_FORMAT_ARGB1555: | |
3685 | case DRM_FORMAT_ABGR1555: | |
3686 | case DRM_FORMAT_RGBA5551: | |
3687 | case DRM_FORMAT_BGRA5551: | |
248dbc23 DA |
3688 | *depth = 15; |
3689 | *bpp = 16; | |
3690 | break; | |
04b3924d VS |
3691 | case DRM_FORMAT_RGB565: |
3692 | case DRM_FORMAT_BGR565: | |
248dbc23 DA |
3693 | *depth = 16; |
3694 | *bpp = 16; | |
3695 | break; | |
04b3924d VS |
3696 | case DRM_FORMAT_RGB888: |
3697 | case DRM_FORMAT_BGR888: | |
3698 | *depth = 24; | |
3699 | *bpp = 24; | |
3700 | break; | |
3701 | case DRM_FORMAT_XRGB8888: | |
3702 | case DRM_FORMAT_XBGR8888: | |
3703 | case DRM_FORMAT_RGBX8888: | |
3704 | case DRM_FORMAT_BGRX8888: | |
248dbc23 DA |
3705 | *depth = 24; |
3706 | *bpp = 32; | |
3707 | break; | |
04b3924d VS |
3708 | case DRM_FORMAT_XRGB2101010: |
3709 | case DRM_FORMAT_XBGR2101010: | |
3710 | case DRM_FORMAT_RGBX1010102: | |
3711 | case DRM_FORMAT_BGRX1010102: | |
3712 | case DRM_FORMAT_ARGB2101010: | |
3713 | case DRM_FORMAT_ABGR2101010: | |
3714 | case DRM_FORMAT_RGBA1010102: | |
3715 | case DRM_FORMAT_BGRA1010102: | |
248dbc23 DA |
3716 | *depth = 30; |
3717 | *bpp = 32; | |
3718 | break; | |
04b3924d VS |
3719 | case DRM_FORMAT_ARGB8888: |
3720 | case DRM_FORMAT_ABGR8888: | |
3721 | case DRM_FORMAT_RGBA8888: | |
3722 | case DRM_FORMAT_BGRA8888: | |
248dbc23 DA |
3723 | *depth = 32; |
3724 | *bpp = 32; | |
3725 | break; | |
3726 | default: | |
3727 | DRM_DEBUG_KMS("unsupported pixel format\n"); | |
3728 | *depth = 0; | |
3729 | *bpp = 0; | |
3730 | break; | |
3731 | } | |
3732 | } | |
3733 | EXPORT_SYMBOL(drm_fb_get_bpp_depth); | |
141670e9 VS |
3734 | |
3735 | /** | |
3736 | * drm_format_num_planes - get the number of planes for format | |
3737 | * @format: pixel format (DRM_FORMAT_*) | |
3738 | * | |
3739 | * RETURNS: | |
3740 | * The number of planes used by the specified pixel format. | |
3741 | */ | |
3742 | int drm_format_num_planes(uint32_t format) | |
3743 | { | |
3744 | switch (format) { | |
3745 | case DRM_FORMAT_YUV410: | |
3746 | case DRM_FORMAT_YVU410: | |
3747 | case DRM_FORMAT_YUV411: | |
3748 | case DRM_FORMAT_YVU411: | |
3749 | case DRM_FORMAT_YUV420: | |
3750 | case DRM_FORMAT_YVU420: | |
3751 | case DRM_FORMAT_YUV422: | |
3752 | case DRM_FORMAT_YVU422: | |
3753 | case DRM_FORMAT_YUV444: | |
3754 | case DRM_FORMAT_YVU444: | |
3755 | return 3; | |
3756 | case DRM_FORMAT_NV12: | |
3757 | case DRM_FORMAT_NV21: | |
3758 | case DRM_FORMAT_NV16: | |
3759 | case DRM_FORMAT_NV61: | |
ba623f6a LP |
3760 | case DRM_FORMAT_NV24: |
3761 | case DRM_FORMAT_NV42: | |
141670e9 VS |
3762 | return 2; |
3763 | default: | |
3764 | return 1; | |
3765 | } | |
3766 | } | |
3767 | EXPORT_SYMBOL(drm_format_num_planes); | |
5a86bd55 VS |
3768 | |
3769 | /** | |
3770 | * drm_format_plane_cpp - determine the bytes per pixel value | |
3771 | * @format: pixel format (DRM_FORMAT_*) | |
3772 | * @plane: plane index | |
3773 | * | |
3774 | * RETURNS: | |
3775 | * The bytes per pixel value for the specified plane. | |
3776 | */ | |
3777 | int drm_format_plane_cpp(uint32_t format, int plane) | |
3778 | { | |
3779 | unsigned int depth; | |
3780 | int bpp; | |
3781 | ||
3782 | if (plane >= drm_format_num_planes(format)) | |
3783 | return 0; | |
3784 | ||
3785 | switch (format) { | |
3786 | case DRM_FORMAT_YUYV: | |
3787 | case DRM_FORMAT_YVYU: | |
3788 | case DRM_FORMAT_UYVY: | |
3789 | case DRM_FORMAT_VYUY: | |
3790 | return 2; | |
3791 | case DRM_FORMAT_NV12: | |
3792 | case DRM_FORMAT_NV21: | |
3793 | case DRM_FORMAT_NV16: | |
3794 | case DRM_FORMAT_NV61: | |
ba623f6a LP |
3795 | case DRM_FORMAT_NV24: |
3796 | case DRM_FORMAT_NV42: | |
5a86bd55 VS |
3797 | return plane ? 2 : 1; |
3798 | case DRM_FORMAT_YUV410: | |
3799 | case DRM_FORMAT_YVU410: | |
3800 | case DRM_FORMAT_YUV411: | |
3801 | case DRM_FORMAT_YVU411: | |
3802 | case DRM_FORMAT_YUV420: | |
3803 | case DRM_FORMAT_YVU420: | |
3804 | case DRM_FORMAT_YUV422: | |
3805 | case DRM_FORMAT_YVU422: | |
3806 | case DRM_FORMAT_YUV444: | |
3807 | case DRM_FORMAT_YVU444: | |
3808 | return 1; | |
3809 | default: | |
3810 | drm_fb_get_bpp_depth(format, &depth, &bpp); | |
3811 | return bpp >> 3; | |
3812 | } | |
3813 | } | |
3814 | EXPORT_SYMBOL(drm_format_plane_cpp); | |
01b68b04 VS |
3815 | |
3816 | /** | |
3817 | * drm_format_horz_chroma_subsampling - get the horizontal chroma subsampling factor | |
3818 | * @format: pixel format (DRM_FORMAT_*) | |
3819 | * | |
3820 | * RETURNS: | |
3821 | * The horizontal chroma subsampling factor for the | |
3822 | * specified pixel format. | |
3823 | */ | |
3824 | int drm_format_horz_chroma_subsampling(uint32_t format) | |
3825 | { | |
3826 | switch (format) { | |
3827 | case DRM_FORMAT_YUV411: | |
3828 | case DRM_FORMAT_YVU411: | |
3829 | case DRM_FORMAT_YUV410: | |
3830 | case DRM_FORMAT_YVU410: | |
3831 | return 4; | |
3832 | case DRM_FORMAT_YUYV: | |
3833 | case DRM_FORMAT_YVYU: | |
3834 | case DRM_FORMAT_UYVY: | |
3835 | case DRM_FORMAT_VYUY: | |
3836 | case DRM_FORMAT_NV12: | |
3837 | case DRM_FORMAT_NV21: | |
3838 | case DRM_FORMAT_NV16: | |
3839 | case DRM_FORMAT_NV61: | |
3840 | case DRM_FORMAT_YUV422: | |
3841 | case DRM_FORMAT_YVU422: | |
3842 | case DRM_FORMAT_YUV420: | |
3843 | case DRM_FORMAT_YVU420: | |
3844 | return 2; | |
3845 | default: | |
3846 | return 1; | |
3847 | } | |
3848 | } | |
3849 | EXPORT_SYMBOL(drm_format_horz_chroma_subsampling); | |
3850 | ||
3851 | /** | |
3852 | * drm_format_vert_chroma_subsampling - get the vertical chroma subsampling factor | |
3853 | * @format: pixel format (DRM_FORMAT_*) | |
3854 | * | |
3855 | * RETURNS: | |
3856 | * The vertical chroma subsampling factor for the | |
3857 | * specified pixel format. | |
3858 | */ | |
3859 | int drm_format_vert_chroma_subsampling(uint32_t format) | |
3860 | { | |
3861 | switch (format) { | |
3862 | case DRM_FORMAT_YUV410: | |
3863 | case DRM_FORMAT_YVU410: | |
3864 | return 4; | |
3865 | case DRM_FORMAT_YUV420: | |
3866 | case DRM_FORMAT_YVU420: | |
3867 | case DRM_FORMAT_NV12: | |
3868 | case DRM_FORMAT_NV21: | |
3869 | return 2; | |
3870 | default: | |
3871 | return 1; | |
3872 | } | |
3873 | } | |
3874 | EXPORT_SYMBOL(drm_format_vert_chroma_subsampling); |