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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 | |
f453ba04 DA |
40 | /* Avoid boilerplate. I'm tired of typing. */ |
41 | #define DRM_ENUM_NAME_FN(fnname, list) \ | |
42 | char *fnname(int val) \ | |
43 | { \ | |
44 | int i; \ | |
45 | for (i = 0; i < ARRAY_SIZE(list); i++) { \ | |
46 | if (list[i].type == val) \ | |
47 | return list[i].name; \ | |
48 | } \ | |
49 | return "(unknown)"; \ | |
50 | } | |
51 | ||
52 | /* | |
53 | * Global properties | |
54 | */ | |
55 | static struct drm_prop_enum_list drm_dpms_enum_list[] = | |
56 | { { DRM_MODE_DPMS_ON, "On" }, | |
57 | { DRM_MODE_DPMS_STANDBY, "Standby" }, | |
58 | { DRM_MODE_DPMS_SUSPEND, "Suspend" }, | |
59 | { DRM_MODE_DPMS_OFF, "Off" } | |
60 | }; | |
61 | ||
62 | DRM_ENUM_NAME_FN(drm_get_dpms_name, drm_dpms_enum_list) | |
63 | ||
64 | /* | |
65 | * Optional properties | |
66 | */ | |
67 | static struct drm_prop_enum_list drm_scaling_mode_enum_list[] = | |
68 | { | |
53bd8389 JB |
69 | { DRM_MODE_SCALE_NONE, "None" }, |
70 | { DRM_MODE_SCALE_FULLSCREEN, "Full" }, | |
71 | { DRM_MODE_SCALE_CENTER, "Center" }, | |
72 | { DRM_MODE_SCALE_ASPECT, "Full aspect" }, | |
f453ba04 DA |
73 | }; |
74 | ||
75 | static struct drm_prop_enum_list drm_dithering_mode_enum_list[] = | |
76 | { | |
77 | { DRM_MODE_DITHERING_OFF, "Off" }, | |
78 | { DRM_MODE_DITHERING_ON, "On" }, | |
92897b5c | 79 | { DRM_MODE_DITHERING_AUTO, "Automatic" }, |
f453ba04 DA |
80 | }; |
81 | ||
82 | /* | |
83 | * Non-global properties, but "required" for certain connectors. | |
84 | */ | |
85 | static struct drm_prop_enum_list drm_dvi_i_select_enum_list[] = | |
86 | { | |
87 | { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */ | |
88 | { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */ | |
89 | { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */ | |
90 | }; | |
91 | ||
92 | DRM_ENUM_NAME_FN(drm_get_dvi_i_select_name, drm_dvi_i_select_enum_list) | |
93 | ||
94 | static struct drm_prop_enum_list drm_dvi_i_subconnector_enum_list[] = | |
95 | { | |
96 | { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */ | |
97 | { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */ | |
98 | { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */ | |
99 | }; | |
100 | ||
101 | DRM_ENUM_NAME_FN(drm_get_dvi_i_subconnector_name, | |
102 | drm_dvi_i_subconnector_enum_list) | |
103 | ||
104 | static struct drm_prop_enum_list drm_tv_select_enum_list[] = | |
105 | { | |
106 | { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */ | |
107 | { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */ | |
108 | { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */ | |
109 | { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */ | |
aeaa1ad3 | 110 | { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */ |
f453ba04 DA |
111 | }; |
112 | ||
113 | DRM_ENUM_NAME_FN(drm_get_tv_select_name, drm_tv_select_enum_list) | |
114 | ||
115 | static struct drm_prop_enum_list drm_tv_subconnector_enum_list[] = | |
116 | { | |
117 | { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */ | |
118 | { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */ | |
119 | { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */ | |
120 | { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */ | |
aeaa1ad3 | 121 | { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */ |
f453ba04 DA |
122 | }; |
123 | ||
124 | DRM_ENUM_NAME_FN(drm_get_tv_subconnector_name, | |
125 | drm_tv_subconnector_enum_list) | |
126 | ||
884840aa JB |
127 | static struct drm_prop_enum_list drm_dirty_info_enum_list[] = { |
128 | { DRM_MODE_DIRTY_OFF, "Off" }, | |
129 | { DRM_MODE_DIRTY_ON, "On" }, | |
130 | { DRM_MODE_DIRTY_ANNOTATE, "Annotate" }, | |
131 | }; | |
132 | ||
133 | DRM_ENUM_NAME_FN(drm_get_dirty_info_name, | |
134 | drm_dirty_info_enum_list) | |
135 | ||
f453ba04 DA |
136 | struct drm_conn_prop_enum_list { |
137 | int type; | |
138 | char *name; | |
139 | int count; | |
140 | }; | |
141 | ||
142 | /* | |
143 | * Connector and encoder types. | |
144 | */ | |
145 | static struct drm_conn_prop_enum_list drm_connector_enum_list[] = | |
146 | { { DRM_MODE_CONNECTOR_Unknown, "Unknown", 0 }, | |
147 | { DRM_MODE_CONNECTOR_VGA, "VGA", 0 }, | |
148 | { DRM_MODE_CONNECTOR_DVII, "DVI-I", 0 }, | |
149 | { DRM_MODE_CONNECTOR_DVID, "DVI-D", 0 }, | |
150 | { DRM_MODE_CONNECTOR_DVIA, "DVI-A", 0 }, | |
151 | { DRM_MODE_CONNECTOR_Composite, "Composite", 0 }, | |
152 | { DRM_MODE_CONNECTOR_SVIDEO, "SVIDEO", 0 }, | |
153 | { DRM_MODE_CONNECTOR_LVDS, "LVDS", 0 }, | |
154 | { DRM_MODE_CONNECTOR_Component, "Component", 0 }, | |
e76116ca AD |
155 | { DRM_MODE_CONNECTOR_9PinDIN, "DIN", 0 }, |
156 | { DRM_MODE_CONNECTOR_DisplayPort, "DP", 0 }, | |
157 | { DRM_MODE_CONNECTOR_HDMIA, "HDMI-A", 0 }, | |
158 | { DRM_MODE_CONNECTOR_HDMIB, "HDMI-B", 0 }, | |
74bd3c26 | 159 | { DRM_MODE_CONNECTOR_TV, "TV", 0 }, |
e76116ca | 160 | { DRM_MODE_CONNECTOR_eDP, "eDP", 0 }, |
a7331e5c | 161 | { DRM_MODE_CONNECTOR_VIRTUAL, "Virtual", 0}, |
f453ba04 DA |
162 | }; |
163 | ||
164 | static struct drm_prop_enum_list drm_encoder_enum_list[] = | |
165 | { { DRM_MODE_ENCODER_NONE, "None" }, | |
166 | { DRM_MODE_ENCODER_DAC, "DAC" }, | |
167 | { DRM_MODE_ENCODER_TMDS, "TMDS" }, | |
168 | { DRM_MODE_ENCODER_LVDS, "LVDS" }, | |
169 | { DRM_MODE_ENCODER_TVDAC, "TV" }, | |
a7331e5c | 170 | { DRM_MODE_ENCODER_VIRTUAL, "Virtual" }, |
f453ba04 DA |
171 | }; |
172 | ||
173 | char *drm_get_encoder_name(struct drm_encoder *encoder) | |
174 | { | |
175 | static char buf[32]; | |
176 | ||
177 | snprintf(buf, 32, "%s-%d", | |
178 | drm_encoder_enum_list[encoder->encoder_type].name, | |
179 | encoder->base.id); | |
180 | return buf; | |
181 | } | |
13a8195b | 182 | EXPORT_SYMBOL(drm_get_encoder_name); |
f453ba04 DA |
183 | |
184 | char *drm_get_connector_name(struct drm_connector *connector) | |
185 | { | |
186 | static char buf[32]; | |
187 | ||
188 | snprintf(buf, 32, "%s-%d", | |
189 | drm_connector_enum_list[connector->connector_type].name, | |
190 | connector->connector_type_id); | |
191 | return buf; | |
192 | } | |
193 | EXPORT_SYMBOL(drm_get_connector_name); | |
194 | ||
195 | char *drm_get_connector_status_name(enum drm_connector_status status) | |
196 | { | |
197 | if (status == connector_status_connected) | |
198 | return "connected"; | |
199 | else if (status == connector_status_disconnected) | |
200 | return "disconnected"; | |
201 | else | |
202 | return "unknown"; | |
203 | } | |
204 | ||
205 | /** | |
206 | * drm_mode_object_get - allocate a new identifier | |
207 | * @dev: DRM device | |
208 | * @ptr: object pointer, used to generate unique ID | |
209 | * @type: object type | |
210 | * | |
211 | * LOCKING: | |
f453ba04 DA |
212 | * |
213 | * Create a unique identifier based on @ptr in @dev's identifier space. Used | |
214 | * for tracking modes, CRTCs and connectors. | |
215 | * | |
216 | * RETURNS: | |
217 | * New unique (relative to other objects in @dev) integer identifier for the | |
218 | * object. | |
219 | */ | |
220 | static int drm_mode_object_get(struct drm_device *dev, | |
221 | struct drm_mode_object *obj, uint32_t obj_type) | |
222 | { | |
223 | int new_id = 0; | |
224 | int ret; | |
225 | ||
f453ba04 DA |
226 | again: |
227 | if (idr_pre_get(&dev->mode_config.crtc_idr, GFP_KERNEL) == 0) { | |
228 | DRM_ERROR("Ran out memory getting a mode number\n"); | |
f1ae126c | 229 | return -ENOMEM; |
f453ba04 DA |
230 | } |
231 | ||
ad2563c2 | 232 | mutex_lock(&dev->mode_config.idr_mutex); |
f453ba04 | 233 | ret = idr_get_new_above(&dev->mode_config.crtc_idr, obj, 1, &new_id); |
ad2563c2 | 234 | mutex_unlock(&dev->mode_config.idr_mutex); |
f453ba04 DA |
235 | if (ret == -EAGAIN) |
236 | goto again; | |
f1ae126c VS |
237 | else if (ret) |
238 | return ret; | |
f453ba04 DA |
239 | |
240 | obj->id = new_id; | |
241 | obj->type = obj_type; | |
242 | return 0; | |
243 | } | |
244 | ||
245 | /** | |
246 | * drm_mode_object_put - free an identifer | |
247 | * @dev: DRM device | |
248 | * @id: ID to free | |
249 | * | |
250 | * LOCKING: | |
251 | * Caller must hold DRM mode_config lock. | |
252 | * | |
253 | * Free @id from @dev's unique identifier pool. | |
254 | */ | |
255 | static void drm_mode_object_put(struct drm_device *dev, | |
256 | struct drm_mode_object *object) | |
257 | { | |
ad2563c2 | 258 | mutex_lock(&dev->mode_config.idr_mutex); |
f453ba04 | 259 | idr_remove(&dev->mode_config.crtc_idr, object->id); |
ad2563c2 | 260 | mutex_unlock(&dev->mode_config.idr_mutex); |
f453ba04 DA |
261 | } |
262 | ||
7a9c9060 DV |
263 | struct drm_mode_object *drm_mode_object_find(struct drm_device *dev, |
264 | uint32_t id, uint32_t type) | |
f453ba04 | 265 | { |
ad2563c2 | 266 | struct drm_mode_object *obj = NULL; |
f453ba04 | 267 | |
ad2563c2 | 268 | mutex_lock(&dev->mode_config.idr_mutex); |
f453ba04 DA |
269 | obj = idr_find(&dev->mode_config.crtc_idr, id); |
270 | if (!obj || (obj->type != type) || (obj->id != id)) | |
ad2563c2 JB |
271 | obj = NULL; |
272 | mutex_unlock(&dev->mode_config.idr_mutex); | |
f453ba04 DA |
273 | |
274 | return obj; | |
275 | } | |
276 | EXPORT_SYMBOL(drm_mode_object_find); | |
277 | ||
f453ba04 DA |
278 | /** |
279 | * drm_framebuffer_init - initialize a framebuffer | |
280 | * @dev: DRM device | |
281 | * | |
282 | * LOCKING: | |
283 | * Caller must hold mode config lock. | |
284 | * | |
285 | * Allocates an ID for the framebuffer's parent mode object, sets its mode | |
286 | * functions & device file and adds it to the master fd list. | |
287 | * | |
288 | * RETURNS: | |
af901ca1 | 289 | * Zero on success, error code on failure. |
f453ba04 DA |
290 | */ |
291 | int drm_framebuffer_init(struct drm_device *dev, struct drm_framebuffer *fb, | |
292 | const struct drm_framebuffer_funcs *funcs) | |
293 | { | |
294 | int ret; | |
295 | ||
f7eff60e RC |
296 | kref_init(&fb->refcount); |
297 | ||
f453ba04 | 298 | ret = drm_mode_object_get(dev, &fb->base, DRM_MODE_OBJECT_FB); |
6bfc56aa | 299 | if (ret) |
f453ba04 | 300 | return ret; |
f453ba04 DA |
301 | |
302 | fb->dev = dev; | |
303 | fb->funcs = funcs; | |
304 | dev->mode_config.num_fb++; | |
305 | list_add(&fb->head, &dev->mode_config.fb_list); | |
306 | ||
307 | return 0; | |
308 | } | |
309 | EXPORT_SYMBOL(drm_framebuffer_init); | |
310 | ||
f7eff60e RC |
311 | static void drm_framebuffer_free(struct kref *kref) |
312 | { | |
313 | struct drm_framebuffer *fb = | |
314 | container_of(kref, struct drm_framebuffer, refcount); | |
315 | fb->funcs->destroy(fb); | |
316 | } | |
317 | ||
318 | /** | |
319 | * drm_framebuffer_unreference - unref a framebuffer | |
320 | * | |
321 | * LOCKING: | |
322 | * Caller must hold mode config lock. | |
323 | */ | |
324 | void drm_framebuffer_unreference(struct drm_framebuffer *fb) | |
325 | { | |
326 | struct drm_device *dev = fb->dev; | |
327 | DRM_DEBUG("FB ID: %d\n", fb->base.id); | |
328 | WARN_ON(!mutex_is_locked(&dev->mode_config.mutex)); | |
329 | kref_put(&fb->refcount, drm_framebuffer_free); | |
330 | } | |
331 | EXPORT_SYMBOL(drm_framebuffer_unreference); | |
332 | ||
333 | /** | |
334 | * drm_framebuffer_reference - incr the fb refcnt | |
335 | */ | |
336 | void drm_framebuffer_reference(struct drm_framebuffer *fb) | |
337 | { | |
338 | DRM_DEBUG("FB ID: %d\n", fb->base.id); | |
339 | kref_get(&fb->refcount); | |
340 | } | |
341 | EXPORT_SYMBOL(drm_framebuffer_reference); | |
342 | ||
f453ba04 DA |
343 | /** |
344 | * drm_framebuffer_cleanup - remove a framebuffer object | |
345 | * @fb: framebuffer to remove | |
346 | * | |
347 | * LOCKING: | |
348 | * Caller must hold mode config lock. | |
349 | * | |
350 | * Scans all the CRTCs in @dev's mode_config. If they're using @fb, removes | |
351 | * it, setting it to NULL. | |
352 | */ | |
353 | void drm_framebuffer_cleanup(struct drm_framebuffer *fb) | |
f7eff60e RC |
354 | { |
355 | struct drm_device *dev = fb->dev; | |
356 | /* | |
357 | * This could be moved to drm_framebuffer_remove(), but for | |
358 | * debugging is nice to keep around the list of fb's that are | |
359 | * no longer associated w/ a drm_file but are not unreferenced | |
360 | * yet. (i915 and omapdrm have debugfs files which will show | |
361 | * this.) | |
362 | */ | |
363 | drm_mode_object_put(dev, &fb->base); | |
364 | list_del(&fb->head); | |
365 | dev->mode_config.num_fb--; | |
366 | } | |
367 | EXPORT_SYMBOL(drm_framebuffer_cleanup); | |
368 | ||
369 | /** | |
370 | * drm_framebuffer_remove - remove and unreference a framebuffer object | |
371 | * @fb: framebuffer to remove | |
372 | * | |
373 | * LOCKING: | |
374 | * Caller must hold mode config lock. | |
375 | * | |
376 | * Scans all the CRTCs and planes in @dev's mode_config. If they're | |
377 | * using @fb, removes it, setting it to NULL. | |
378 | */ | |
379 | void drm_framebuffer_remove(struct drm_framebuffer *fb) | |
f453ba04 DA |
380 | { |
381 | struct drm_device *dev = fb->dev; | |
382 | struct drm_crtc *crtc; | |
8cf5c917 | 383 | struct drm_plane *plane; |
5ef5f72f DA |
384 | struct drm_mode_set set; |
385 | int ret; | |
f453ba04 DA |
386 | |
387 | /* remove from any CRTC */ | |
388 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { | |
5ef5f72f DA |
389 | if (crtc->fb == fb) { |
390 | /* should turn off the crtc */ | |
391 | memset(&set, 0, sizeof(struct drm_mode_set)); | |
392 | set.crtc = crtc; | |
393 | set.fb = NULL; | |
394 | ret = crtc->funcs->set_config(&set); | |
395 | if (ret) | |
396 | DRM_ERROR("failed to reset crtc %p when fb was deleted\n", crtc); | |
397 | } | |
f453ba04 DA |
398 | } |
399 | ||
8cf5c917 JB |
400 | list_for_each_entry(plane, &dev->mode_config.plane_list, head) { |
401 | if (plane->fb == fb) { | |
402 | /* should turn off the crtc */ | |
403 | ret = plane->funcs->disable_plane(plane); | |
404 | if (ret) | |
405 | DRM_ERROR("failed to disable plane with busy fb\n"); | |
a9971157 RC |
406 | /* disconnect the plane from the fb and crtc: */ |
407 | plane->fb = NULL; | |
408 | plane->crtc = NULL; | |
8cf5c917 JB |
409 | } |
410 | } | |
411 | ||
f7eff60e RC |
412 | list_del(&fb->filp_head); |
413 | ||
414 | drm_framebuffer_unreference(fb); | |
f453ba04 | 415 | } |
f7eff60e | 416 | EXPORT_SYMBOL(drm_framebuffer_remove); |
f453ba04 DA |
417 | |
418 | /** | |
419 | * drm_crtc_init - Initialise a new CRTC object | |
420 | * @dev: DRM device | |
421 | * @crtc: CRTC object to init | |
422 | * @funcs: callbacks for the new CRTC | |
423 | * | |
424 | * LOCKING: | |
3b02ab88 | 425 | * Takes mode_config lock. |
f453ba04 DA |
426 | * |
427 | * Inits a new object created as base part of an driver crtc object. | |
6bfc56aa VS |
428 | * |
429 | * RETURNS: | |
430 | * Zero on success, error code on failure. | |
f453ba04 | 431 | */ |
6bfc56aa | 432 | int drm_crtc_init(struct drm_device *dev, struct drm_crtc *crtc, |
f453ba04 DA |
433 | const struct drm_crtc_funcs *funcs) |
434 | { | |
6bfc56aa VS |
435 | int ret; |
436 | ||
f453ba04 DA |
437 | crtc->dev = dev; |
438 | crtc->funcs = funcs; | |
7c80e128 | 439 | crtc->invert_dimensions = false; |
f453ba04 DA |
440 | |
441 | mutex_lock(&dev->mode_config.mutex); | |
6bfc56aa VS |
442 | |
443 | ret = drm_mode_object_get(dev, &crtc->base, DRM_MODE_OBJECT_CRTC); | |
444 | if (ret) | |
445 | goto out; | |
f453ba04 | 446 | |
bffd9de0 PZ |
447 | crtc->base.properties = &crtc->properties; |
448 | ||
f453ba04 DA |
449 | list_add_tail(&crtc->head, &dev->mode_config.crtc_list); |
450 | dev->mode_config.num_crtc++; | |
6bfc56aa VS |
451 | |
452 | out: | |
f453ba04 | 453 | mutex_unlock(&dev->mode_config.mutex); |
6bfc56aa VS |
454 | |
455 | return ret; | |
f453ba04 DA |
456 | } |
457 | EXPORT_SYMBOL(drm_crtc_init); | |
458 | ||
459 | /** | |
460 | * drm_crtc_cleanup - Cleans up the core crtc usage. | |
461 | * @crtc: CRTC to cleanup | |
462 | * | |
463 | * LOCKING: | |
464 | * Caller must hold mode config lock. | |
465 | * | |
466 | * Cleanup @crtc. Removes from drm modesetting space | |
467 | * does NOT free object, caller does that. | |
468 | */ | |
469 | void drm_crtc_cleanup(struct drm_crtc *crtc) | |
470 | { | |
471 | struct drm_device *dev = crtc->dev; | |
472 | ||
473 | if (crtc->gamma_store) { | |
474 | kfree(crtc->gamma_store); | |
475 | crtc->gamma_store = NULL; | |
476 | } | |
477 | ||
478 | drm_mode_object_put(dev, &crtc->base); | |
479 | list_del(&crtc->head); | |
480 | dev->mode_config.num_crtc--; | |
481 | } | |
482 | EXPORT_SYMBOL(drm_crtc_cleanup); | |
483 | ||
484 | /** | |
485 | * drm_mode_probed_add - add a mode to a connector's probed mode list | |
486 | * @connector: connector the new mode | |
487 | * @mode: mode data | |
488 | * | |
489 | * LOCKING: | |
490 | * Caller must hold mode config lock. | |
491 | * | |
492 | * Add @mode to @connector's mode list for later use. | |
493 | */ | |
494 | void drm_mode_probed_add(struct drm_connector *connector, | |
495 | struct drm_display_mode *mode) | |
496 | { | |
497 | list_add(&mode->head, &connector->probed_modes); | |
498 | } | |
499 | EXPORT_SYMBOL(drm_mode_probed_add); | |
500 | ||
501 | /** | |
502 | * drm_mode_remove - remove and free a mode | |
503 | * @connector: connector list to modify | |
504 | * @mode: mode to remove | |
505 | * | |
506 | * LOCKING: | |
507 | * Caller must hold mode config lock. | |
508 | * | |
509 | * Remove @mode from @connector's mode list, then free it. | |
510 | */ | |
511 | void drm_mode_remove(struct drm_connector *connector, | |
512 | struct drm_display_mode *mode) | |
513 | { | |
514 | list_del(&mode->head); | |
554f1d78 | 515 | drm_mode_destroy(connector->dev, mode); |
f453ba04 DA |
516 | } |
517 | EXPORT_SYMBOL(drm_mode_remove); | |
518 | ||
519 | /** | |
520 | * drm_connector_init - Init a preallocated connector | |
521 | * @dev: DRM device | |
522 | * @connector: the connector to init | |
523 | * @funcs: callbacks for this connector | |
524 | * @name: user visible name of the connector | |
525 | * | |
526 | * LOCKING: | |
b20f3867 | 527 | * Takes mode config lock. |
f453ba04 DA |
528 | * |
529 | * Initialises a preallocated connector. Connectors should be | |
530 | * subclassed as part of driver connector objects. | |
6bfc56aa VS |
531 | * |
532 | * RETURNS: | |
533 | * Zero on success, error code on failure. | |
f453ba04 | 534 | */ |
6bfc56aa VS |
535 | int drm_connector_init(struct drm_device *dev, |
536 | struct drm_connector *connector, | |
537 | const struct drm_connector_funcs *funcs, | |
538 | int connector_type) | |
f453ba04 | 539 | { |
6bfc56aa VS |
540 | int ret; |
541 | ||
f453ba04 DA |
542 | mutex_lock(&dev->mode_config.mutex); |
543 | ||
6bfc56aa VS |
544 | ret = drm_mode_object_get(dev, &connector->base, DRM_MODE_OBJECT_CONNECTOR); |
545 | if (ret) | |
546 | goto out; | |
547 | ||
7e3bdf4a | 548 | connector->base.properties = &connector->properties; |
f453ba04 DA |
549 | connector->dev = dev; |
550 | connector->funcs = funcs; | |
f453ba04 DA |
551 | connector->connector_type = connector_type; |
552 | connector->connector_type_id = | |
553 | ++drm_connector_enum_list[connector_type].count; /* TODO */ | |
554 | INIT_LIST_HEAD(&connector->user_modes); | |
555 | INIT_LIST_HEAD(&connector->probed_modes); | |
556 | INIT_LIST_HEAD(&connector->modes); | |
557 | connector->edid_blob_ptr = NULL; | |
558 | ||
559 | list_add_tail(&connector->head, &dev->mode_config.connector_list); | |
560 | dev->mode_config.num_connector++; | |
561 | ||
a7331e5c TH |
562 | if (connector_type != DRM_MODE_CONNECTOR_VIRTUAL) |
563 | drm_connector_attach_property(connector, | |
564 | dev->mode_config.edid_property, | |
565 | 0); | |
f453ba04 DA |
566 | |
567 | drm_connector_attach_property(connector, | |
568 | dev->mode_config.dpms_property, 0); | |
569 | ||
6bfc56aa | 570 | out: |
f453ba04 | 571 | mutex_unlock(&dev->mode_config.mutex); |
6bfc56aa VS |
572 | |
573 | return ret; | |
f453ba04 DA |
574 | } |
575 | EXPORT_SYMBOL(drm_connector_init); | |
576 | ||
577 | /** | |
578 | * drm_connector_cleanup - cleans up an initialised connector | |
579 | * @connector: connector to cleanup | |
580 | * | |
581 | * LOCKING: | |
b20f3867 | 582 | * Takes mode config lock. |
f453ba04 DA |
583 | * |
584 | * Cleans up the connector but doesn't free the object. | |
585 | */ | |
586 | void drm_connector_cleanup(struct drm_connector *connector) | |
587 | { | |
588 | struct drm_device *dev = connector->dev; | |
589 | struct drm_display_mode *mode, *t; | |
590 | ||
591 | list_for_each_entry_safe(mode, t, &connector->probed_modes, head) | |
592 | drm_mode_remove(connector, mode); | |
593 | ||
594 | list_for_each_entry_safe(mode, t, &connector->modes, head) | |
595 | drm_mode_remove(connector, mode); | |
596 | ||
597 | list_for_each_entry_safe(mode, t, &connector->user_modes, head) | |
598 | drm_mode_remove(connector, mode); | |
599 | ||
600 | mutex_lock(&dev->mode_config.mutex); | |
601 | drm_mode_object_put(dev, &connector->base); | |
602 | list_del(&connector->head); | |
6380c509 | 603 | dev->mode_config.num_connector--; |
f453ba04 DA |
604 | mutex_unlock(&dev->mode_config.mutex); |
605 | } | |
606 | EXPORT_SYMBOL(drm_connector_cleanup); | |
607 | ||
cbc7e221 DA |
608 | void drm_connector_unplug_all(struct drm_device *dev) |
609 | { | |
610 | struct drm_connector *connector; | |
611 | ||
612 | /* taking the mode config mutex ends up in a clash with sysfs */ | |
613 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) | |
614 | drm_sysfs_connector_remove(connector); | |
615 | ||
616 | } | |
617 | EXPORT_SYMBOL(drm_connector_unplug_all); | |
618 | ||
6bfc56aa | 619 | int drm_encoder_init(struct drm_device *dev, |
cbc7e221 DA |
620 | struct drm_encoder *encoder, |
621 | const struct drm_encoder_funcs *funcs, | |
622 | int encoder_type) | |
f453ba04 | 623 | { |
6bfc56aa VS |
624 | int ret; |
625 | ||
f453ba04 DA |
626 | mutex_lock(&dev->mode_config.mutex); |
627 | ||
6bfc56aa VS |
628 | ret = drm_mode_object_get(dev, &encoder->base, DRM_MODE_OBJECT_ENCODER); |
629 | if (ret) | |
630 | goto out; | |
f453ba04 | 631 | |
6bfc56aa | 632 | encoder->dev = dev; |
f453ba04 DA |
633 | encoder->encoder_type = encoder_type; |
634 | encoder->funcs = funcs; | |
635 | ||
636 | list_add_tail(&encoder->head, &dev->mode_config.encoder_list); | |
637 | dev->mode_config.num_encoder++; | |
638 | ||
6bfc56aa | 639 | out: |
f453ba04 | 640 | mutex_unlock(&dev->mode_config.mutex); |
6bfc56aa VS |
641 | |
642 | return ret; | |
f453ba04 DA |
643 | } |
644 | EXPORT_SYMBOL(drm_encoder_init); | |
645 | ||
646 | void drm_encoder_cleanup(struct drm_encoder *encoder) | |
647 | { | |
648 | struct drm_device *dev = encoder->dev; | |
649 | mutex_lock(&dev->mode_config.mutex); | |
650 | drm_mode_object_put(dev, &encoder->base); | |
651 | list_del(&encoder->head); | |
6380c509 | 652 | dev->mode_config.num_encoder--; |
f453ba04 DA |
653 | mutex_unlock(&dev->mode_config.mutex); |
654 | } | |
655 | EXPORT_SYMBOL(drm_encoder_cleanup); | |
656 | ||
8cf5c917 JB |
657 | int drm_plane_init(struct drm_device *dev, struct drm_plane *plane, |
658 | unsigned long possible_crtcs, | |
659 | const struct drm_plane_funcs *funcs, | |
0a7eb243 RC |
660 | const uint32_t *formats, uint32_t format_count, |
661 | bool priv) | |
8cf5c917 | 662 | { |
6bfc56aa VS |
663 | int ret; |
664 | ||
8cf5c917 JB |
665 | mutex_lock(&dev->mode_config.mutex); |
666 | ||
6bfc56aa VS |
667 | ret = drm_mode_object_get(dev, &plane->base, DRM_MODE_OBJECT_PLANE); |
668 | if (ret) | |
669 | goto out; | |
670 | ||
4d93914a | 671 | plane->base.properties = &plane->properties; |
8cf5c917 | 672 | plane->dev = dev; |
8cf5c917 JB |
673 | plane->funcs = funcs; |
674 | plane->format_types = kmalloc(sizeof(uint32_t) * format_count, | |
675 | GFP_KERNEL); | |
676 | if (!plane->format_types) { | |
677 | DRM_DEBUG_KMS("out of memory when allocating plane\n"); | |
678 | drm_mode_object_put(dev, &plane->base); | |
6bfc56aa VS |
679 | ret = -ENOMEM; |
680 | goto out; | |
8cf5c917 JB |
681 | } |
682 | ||
308e5bcb | 683 | memcpy(plane->format_types, formats, format_count * sizeof(uint32_t)); |
8cf5c917 JB |
684 | plane->format_count = format_count; |
685 | plane->possible_crtcs = possible_crtcs; | |
686 | ||
0a7eb243 RC |
687 | /* private planes are not exposed to userspace, but depending on |
688 | * display hardware, might be convenient to allow sharing programming | |
689 | * for the scanout engine with the crtc implementation. | |
690 | */ | |
691 | if (!priv) { | |
692 | list_add_tail(&plane->head, &dev->mode_config.plane_list); | |
693 | dev->mode_config.num_plane++; | |
694 | } else { | |
695 | INIT_LIST_HEAD(&plane->head); | |
696 | } | |
8cf5c917 | 697 | |
6bfc56aa | 698 | out: |
8cf5c917 JB |
699 | mutex_unlock(&dev->mode_config.mutex); |
700 | ||
6bfc56aa | 701 | return ret; |
8cf5c917 JB |
702 | } |
703 | EXPORT_SYMBOL(drm_plane_init); | |
704 | ||
705 | void drm_plane_cleanup(struct drm_plane *plane) | |
706 | { | |
707 | struct drm_device *dev = plane->dev; | |
708 | ||
709 | mutex_lock(&dev->mode_config.mutex); | |
710 | kfree(plane->format_types); | |
711 | drm_mode_object_put(dev, &plane->base); | |
0a7eb243 RC |
712 | /* if not added to a list, it must be a private plane */ |
713 | if (!list_empty(&plane->head)) { | |
714 | list_del(&plane->head); | |
715 | dev->mode_config.num_plane--; | |
716 | } | |
8cf5c917 JB |
717 | mutex_unlock(&dev->mode_config.mutex); |
718 | } | |
719 | EXPORT_SYMBOL(drm_plane_cleanup); | |
720 | ||
f453ba04 DA |
721 | /** |
722 | * drm_mode_create - create a new display mode | |
723 | * @dev: DRM device | |
724 | * | |
725 | * LOCKING: | |
726 | * Caller must hold DRM mode_config lock. | |
727 | * | |
728 | * Create a new drm_display_mode, give it an ID, and return it. | |
729 | * | |
730 | * RETURNS: | |
731 | * Pointer to new mode on success, NULL on error. | |
732 | */ | |
733 | struct drm_display_mode *drm_mode_create(struct drm_device *dev) | |
734 | { | |
735 | struct drm_display_mode *nmode; | |
736 | ||
737 | nmode = kzalloc(sizeof(struct drm_display_mode), GFP_KERNEL); | |
738 | if (!nmode) | |
739 | return NULL; | |
740 | ||
6bfc56aa VS |
741 | if (drm_mode_object_get(dev, &nmode->base, DRM_MODE_OBJECT_MODE)) { |
742 | kfree(nmode); | |
743 | return NULL; | |
744 | } | |
745 | ||
f453ba04 DA |
746 | return nmode; |
747 | } | |
748 | EXPORT_SYMBOL(drm_mode_create); | |
749 | ||
750 | /** | |
751 | * drm_mode_destroy - remove a mode | |
752 | * @dev: DRM device | |
753 | * @mode: mode to remove | |
754 | * | |
755 | * LOCKING: | |
756 | * Caller must hold mode config lock. | |
757 | * | |
758 | * Free @mode's unique identifier, then free it. | |
759 | */ | |
760 | void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode) | |
761 | { | |
ee34ab5b VS |
762 | if (!mode) |
763 | return; | |
764 | ||
f453ba04 DA |
765 | drm_mode_object_put(dev, &mode->base); |
766 | ||
767 | kfree(mode); | |
768 | } | |
769 | EXPORT_SYMBOL(drm_mode_destroy); | |
770 | ||
771 | static int drm_mode_create_standard_connector_properties(struct drm_device *dev) | |
772 | { | |
773 | struct drm_property *edid; | |
774 | struct drm_property *dpms; | |
f453ba04 DA |
775 | |
776 | /* | |
777 | * Standard properties (apply to all connectors) | |
778 | */ | |
779 | edid = drm_property_create(dev, DRM_MODE_PROP_BLOB | | |
780 | DRM_MODE_PROP_IMMUTABLE, | |
781 | "EDID", 0); | |
782 | dev->mode_config.edid_property = edid; | |
783 | ||
4a67d391 SH |
784 | dpms = drm_property_create_enum(dev, 0, |
785 | "DPMS", drm_dpms_enum_list, | |
786 | ARRAY_SIZE(drm_dpms_enum_list)); | |
f453ba04 DA |
787 | dev->mode_config.dpms_property = dpms; |
788 | ||
789 | return 0; | |
790 | } | |
791 | ||
792 | /** | |
793 | * drm_mode_create_dvi_i_properties - create DVI-I specific connector properties | |
794 | * @dev: DRM device | |
795 | * | |
796 | * Called by a driver the first time a DVI-I connector is made. | |
797 | */ | |
798 | int drm_mode_create_dvi_i_properties(struct drm_device *dev) | |
799 | { | |
800 | struct drm_property *dvi_i_selector; | |
801 | struct drm_property *dvi_i_subconnector; | |
f453ba04 DA |
802 | |
803 | if (dev->mode_config.dvi_i_select_subconnector_property) | |
804 | return 0; | |
805 | ||
806 | dvi_i_selector = | |
4a67d391 | 807 | drm_property_create_enum(dev, 0, |
f453ba04 | 808 | "select subconnector", |
4a67d391 | 809 | drm_dvi_i_select_enum_list, |
f453ba04 | 810 | ARRAY_SIZE(drm_dvi_i_select_enum_list)); |
f453ba04 DA |
811 | dev->mode_config.dvi_i_select_subconnector_property = dvi_i_selector; |
812 | ||
4a67d391 | 813 | dvi_i_subconnector = drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, |
f453ba04 | 814 | "subconnector", |
4a67d391 | 815 | drm_dvi_i_subconnector_enum_list, |
f453ba04 | 816 | ARRAY_SIZE(drm_dvi_i_subconnector_enum_list)); |
f453ba04 DA |
817 | dev->mode_config.dvi_i_subconnector_property = dvi_i_subconnector; |
818 | ||
819 | return 0; | |
820 | } | |
821 | EXPORT_SYMBOL(drm_mode_create_dvi_i_properties); | |
822 | ||
823 | /** | |
824 | * drm_create_tv_properties - create TV specific connector properties | |
825 | * @dev: DRM device | |
826 | * @num_modes: number of different TV formats (modes) supported | |
827 | * @modes: array of pointers to strings containing name of each format | |
828 | * | |
829 | * Called by a driver's TV initialization routine, this function creates | |
830 | * the TV specific connector properties for a given device. Caller is | |
831 | * responsible for allocating a list of format names and passing them to | |
832 | * this routine. | |
833 | */ | |
834 | int drm_mode_create_tv_properties(struct drm_device *dev, int num_modes, | |
835 | char *modes[]) | |
836 | { | |
837 | struct drm_property *tv_selector; | |
838 | struct drm_property *tv_subconnector; | |
839 | int i; | |
840 | ||
841 | if (dev->mode_config.tv_select_subconnector_property) | |
842 | return 0; | |
843 | ||
844 | /* | |
845 | * Basic connector properties | |
846 | */ | |
4a67d391 | 847 | tv_selector = drm_property_create_enum(dev, 0, |
f453ba04 | 848 | "select subconnector", |
4a67d391 | 849 | drm_tv_select_enum_list, |
f453ba04 | 850 | ARRAY_SIZE(drm_tv_select_enum_list)); |
f453ba04 DA |
851 | dev->mode_config.tv_select_subconnector_property = tv_selector; |
852 | ||
853 | tv_subconnector = | |
4a67d391 SH |
854 | drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, |
855 | "subconnector", | |
856 | drm_tv_subconnector_enum_list, | |
f453ba04 | 857 | ARRAY_SIZE(drm_tv_subconnector_enum_list)); |
f453ba04 DA |
858 | dev->mode_config.tv_subconnector_property = tv_subconnector; |
859 | ||
860 | /* | |
861 | * Other, TV specific properties: margins & TV modes. | |
862 | */ | |
863 | dev->mode_config.tv_left_margin_property = | |
d9bc3c02 | 864 | drm_property_create_range(dev, 0, "left margin", 0, 100); |
f453ba04 DA |
865 | |
866 | dev->mode_config.tv_right_margin_property = | |
d9bc3c02 | 867 | drm_property_create_range(dev, 0, "right margin", 0, 100); |
f453ba04 DA |
868 | |
869 | dev->mode_config.tv_top_margin_property = | |
d9bc3c02 | 870 | drm_property_create_range(dev, 0, "top margin", 0, 100); |
f453ba04 DA |
871 | |
872 | dev->mode_config.tv_bottom_margin_property = | |
d9bc3c02 | 873 | drm_property_create_range(dev, 0, "bottom margin", 0, 100); |
f453ba04 DA |
874 | |
875 | dev->mode_config.tv_mode_property = | |
876 | drm_property_create(dev, DRM_MODE_PROP_ENUM, | |
877 | "mode", num_modes); | |
878 | for (i = 0; i < num_modes; i++) | |
879 | drm_property_add_enum(dev->mode_config.tv_mode_property, i, | |
880 | i, modes[i]); | |
881 | ||
b6b7902e | 882 | dev->mode_config.tv_brightness_property = |
d9bc3c02 | 883 | drm_property_create_range(dev, 0, "brightness", 0, 100); |
b6b7902e FJ |
884 | |
885 | dev->mode_config.tv_contrast_property = | |
d9bc3c02 | 886 | drm_property_create_range(dev, 0, "contrast", 0, 100); |
b6b7902e FJ |
887 | |
888 | dev->mode_config.tv_flicker_reduction_property = | |
d9bc3c02 | 889 | drm_property_create_range(dev, 0, "flicker reduction", 0, 100); |
b6b7902e | 890 | |
a75f0236 | 891 | dev->mode_config.tv_overscan_property = |
d9bc3c02 | 892 | drm_property_create_range(dev, 0, "overscan", 0, 100); |
a75f0236 FJ |
893 | |
894 | dev->mode_config.tv_saturation_property = | |
d9bc3c02 | 895 | drm_property_create_range(dev, 0, "saturation", 0, 100); |
a75f0236 FJ |
896 | |
897 | dev->mode_config.tv_hue_property = | |
d9bc3c02 | 898 | drm_property_create_range(dev, 0, "hue", 0, 100); |
a75f0236 | 899 | |
f453ba04 DA |
900 | return 0; |
901 | } | |
902 | EXPORT_SYMBOL(drm_mode_create_tv_properties); | |
903 | ||
904 | /** | |
905 | * drm_mode_create_scaling_mode_property - create scaling mode property | |
906 | * @dev: DRM device | |
907 | * | |
908 | * Called by a driver the first time it's needed, must be attached to desired | |
909 | * connectors. | |
910 | */ | |
911 | int drm_mode_create_scaling_mode_property(struct drm_device *dev) | |
912 | { | |
913 | struct drm_property *scaling_mode; | |
f453ba04 DA |
914 | |
915 | if (dev->mode_config.scaling_mode_property) | |
916 | return 0; | |
917 | ||
918 | scaling_mode = | |
4a67d391 SH |
919 | drm_property_create_enum(dev, 0, "scaling mode", |
920 | drm_scaling_mode_enum_list, | |
f453ba04 | 921 | ARRAY_SIZE(drm_scaling_mode_enum_list)); |
f453ba04 DA |
922 | |
923 | dev->mode_config.scaling_mode_property = scaling_mode; | |
924 | ||
925 | return 0; | |
926 | } | |
927 | EXPORT_SYMBOL(drm_mode_create_scaling_mode_property); | |
928 | ||
929 | /** | |
930 | * drm_mode_create_dithering_property - create dithering property | |
931 | * @dev: DRM device | |
932 | * | |
933 | * Called by a driver the first time it's needed, must be attached to desired | |
934 | * connectors. | |
935 | */ | |
936 | int drm_mode_create_dithering_property(struct drm_device *dev) | |
937 | { | |
938 | struct drm_property *dithering_mode; | |
f453ba04 DA |
939 | |
940 | if (dev->mode_config.dithering_mode_property) | |
941 | return 0; | |
942 | ||
943 | dithering_mode = | |
4a67d391 SH |
944 | drm_property_create_enum(dev, 0, "dithering", |
945 | drm_dithering_mode_enum_list, | |
f453ba04 | 946 | ARRAY_SIZE(drm_dithering_mode_enum_list)); |
f453ba04 DA |
947 | dev->mode_config.dithering_mode_property = dithering_mode; |
948 | ||
949 | return 0; | |
950 | } | |
951 | EXPORT_SYMBOL(drm_mode_create_dithering_property); | |
952 | ||
884840aa JB |
953 | /** |
954 | * drm_mode_create_dirty_property - create dirty property | |
955 | * @dev: DRM device | |
956 | * | |
957 | * Called by a driver the first time it's needed, must be attached to desired | |
958 | * connectors. | |
959 | */ | |
960 | int drm_mode_create_dirty_info_property(struct drm_device *dev) | |
961 | { | |
962 | struct drm_property *dirty_info; | |
884840aa JB |
963 | |
964 | if (dev->mode_config.dirty_info_property) | |
965 | return 0; | |
966 | ||
967 | dirty_info = | |
4a67d391 | 968 | drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, |
884840aa | 969 | "dirty", |
4a67d391 | 970 | drm_dirty_info_enum_list, |
884840aa | 971 | ARRAY_SIZE(drm_dirty_info_enum_list)); |
884840aa JB |
972 | dev->mode_config.dirty_info_property = dirty_info; |
973 | ||
974 | return 0; | |
975 | } | |
976 | EXPORT_SYMBOL(drm_mode_create_dirty_info_property); | |
977 | ||
f453ba04 DA |
978 | /** |
979 | * drm_mode_config_init - initialize DRM mode_configuration structure | |
980 | * @dev: DRM device | |
981 | * | |
982 | * LOCKING: | |
983 | * None, should happen single threaded at init time. | |
984 | * | |
985 | * Initialize @dev's mode_config structure, used for tracking the graphics | |
986 | * configuration of @dev. | |
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 | ||
1001 | mutex_lock(&dev->mode_config.mutex); | |
1002 | drm_mode_create_standard_connector_properties(dev); | |
1003 | mutex_unlock(&dev->mode_config.mutex); | |
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 | * | |
1061 | * LOCKING: | |
1062 | * Caller must hold mode config lock. | |
1063 | * | |
1064 | * Free up all the connectors and CRTCs associated with this DRM device, then | |
1065 | * free up the framebuffers and associated buffer objects. | |
1066 | * | |
1067 | * FIXME: cleanup any dangling user buffer objects too | |
1068 | */ | |
1069 | void drm_mode_config_cleanup(struct drm_device *dev) | |
1070 | { | |
1071 | struct drm_connector *connector, *ot; | |
1072 | struct drm_crtc *crtc, *ct; | |
1073 | struct drm_encoder *encoder, *enct; | |
1074 | struct drm_framebuffer *fb, *fbt; | |
1075 | struct drm_property *property, *pt; | |
8cf5c917 | 1076 | struct drm_plane *plane, *plt; |
f453ba04 DA |
1077 | |
1078 | list_for_each_entry_safe(encoder, enct, &dev->mode_config.encoder_list, | |
1079 | head) { | |
1080 | encoder->funcs->destroy(encoder); | |
1081 | } | |
1082 | ||
1083 | list_for_each_entry_safe(connector, ot, | |
1084 | &dev->mode_config.connector_list, head) { | |
1085 | connector->funcs->destroy(connector); | |
1086 | } | |
1087 | ||
1088 | list_for_each_entry_safe(property, pt, &dev->mode_config.property_list, | |
1089 | head) { | |
1090 | drm_property_destroy(dev, property); | |
1091 | } | |
1092 | ||
1093 | list_for_each_entry_safe(fb, fbt, &dev->mode_config.fb_list, head) { | |
f7eff60e | 1094 | drm_framebuffer_remove(fb); |
f453ba04 DA |
1095 | } |
1096 | ||
8cf5c917 JB |
1097 | list_for_each_entry_safe(plane, plt, &dev->mode_config.plane_list, |
1098 | head) { | |
1099 | plane->funcs->destroy(plane); | |
1100 | } | |
59ce062e | 1101 | |
3184009c CW |
1102 | list_for_each_entry_safe(crtc, ct, &dev->mode_config.crtc_list, head) { |
1103 | crtc->funcs->destroy(crtc); | |
1104 | } | |
1105 | ||
59ce062e SH |
1106 | idr_remove_all(&dev->mode_config.crtc_idr); |
1107 | idr_destroy(&dev->mode_config.crtc_idr); | |
f453ba04 DA |
1108 | } |
1109 | EXPORT_SYMBOL(drm_mode_config_cleanup); | |
1110 | ||
f453ba04 DA |
1111 | /** |
1112 | * drm_crtc_convert_to_umode - convert a drm_display_mode into a modeinfo | |
1113 | * @out: drm_mode_modeinfo struct to return to the user | |
1114 | * @in: drm_display_mode to use | |
1115 | * | |
1116 | * LOCKING: | |
1117 | * None. | |
1118 | * | |
1119 | * Convert a drm_display_mode into a drm_mode_modeinfo structure to return to | |
1120 | * the user. | |
1121 | */ | |
93bbf6db VS |
1122 | static void drm_crtc_convert_to_umode(struct drm_mode_modeinfo *out, |
1123 | const struct drm_display_mode *in) | |
f453ba04 | 1124 | { |
e36fae38 VS |
1125 | WARN(in->hdisplay > USHRT_MAX || in->hsync_start > USHRT_MAX || |
1126 | in->hsync_end > USHRT_MAX || in->htotal > USHRT_MAX || | |
1127 | in->hskew > USHRT_MAX || in->vdisplay > USHRT_MAX || | |
1128 | in->vsync_start > USHRT_MAX || in->vsync_end > USHRT_MAX || | |
1129 | in->vtotal > USHRT_MAX || in->vscan > USHRT_MAX, | |
1130 | "timing values too large for mode info\n"); | |
1131 | ||
f453ba04 DA |
1132 | out->clock = in->clock; |
1133 | out->hdisplay = in->hdisplay; | |
1134 | out->hsync_start = in->hsync_start; | |
1135 | out->hsync_end = in->hsync_end; | |
1136 | out->htotal = in->htotal; | |
1137 | out->hskew = in->hskew; | |
1138 | out->vdisplay = in->vdisplay; | |
1139 | out->vsync_start = in->vsync_start; | |
1140 | out->vsync_end = in->vsync_end; | |
1141 | out->vtotal = in->vtotal; | |
1142 | out->vscan = in->vscan; | |
1143 | out->vrefresh = in->vrefresh; | |
1144 | out->flags = in->flags; | |
1145 | out->type = in->type; | |
1146 | strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN); | |
1147 | out->name[DRM_DISPLAY_MODE_LEN-1] = 0; | |
1148 | } | |
1149 | ||
1150 | /** | |
1151 | * drm_crtc_convert_to_umode - convert a modeinfo into a drm_display_mode | |
1152 | * @out: drm_display_mode to return to the user | |
1153 | * @in: drm_mode_modeinfo to use | |
1154 | * | |
1155 | * LOCKING: | |
1156 | * None. | |
1157 | * | |
1158 | * Convert a drm_mode_modeinfo into a drm_display_mode structure to return to | |
1159 | * the caller. | |
90367bf6 VS |
1160 | * |
1161 | * RETURNS: | |
1162 | * Zero on success, errno on failure. | |
f453ba04 | 1163 | */ |
93bbf6db VS |
1164 | static int drm_crtc_convert_umode(struct drm_display_mode *out, |
1165 | const struct drm_mode_modeinfo *in) | |
f453ba04 | 1166 | { |
90367bf6 VS |
1167 | if (in->clock > INT_MAX || in->vrefresh > INT_MAX) |
1168 | return -ERANGE; | |
1169 | ||
f453ba04 DA |
1170 | out->clock = in->clock; |
1171 | out->hdisplay = in->hdisplay; | |
1172 | out->hsync_start = in->hsync_start; | |
1173 | out->hsync_end = in->hsync_end; | |
1174 | out->htotal = in->htotal; | |
1175 | out->hskew = in->hskew; | |
1176 | out->vdisplay = in->vdisplay; | |
1177 | out->vsync_start = in->vsync_start; | |
1178 | out->vsync_end = in->vsync_end; | |
1179 | out->vtotal = in->vtotal; | |
1180 | out->vscan = in->vscan; | |
1181 | out->vrefresh = in->vrefresh; | |
1182 | out->flags = in->flags; | |
1183 | out->type = in->type; | |
1184 | strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN); | |
1185 | out->name[DRM_DISPLAY_MODE_LEN-1] = 0; | |
90367bf6 VS |
1186 | |
1187 | return 0; | |
f453ba04 DA |
1188 | } |
1189 | ||
1190 | /** | |
1191 | * drm_mode_getresources - get graphics configuration | |
1192 | * @inode: inode from the ioctl | |
1193 | * @filp: file * from the ioctl | |
1194 | * @cmd: cmd from ioctl | |
1195 | * @arg: arg from ioctl | |
1196 | * | |
1197 | * LOCKING: | |
1198 | * Takes mode config lock. | |
1199 | * | |
1200 | * Construct a set of configuration description structures and return | |
1201 | * them to the user, including CRTC, connector and framebuffer configuration. | |
1202 | * | |
1203 | * Called by the user via ioctl. | |
1204 | * | |
1205 | * RETURNS: | |
1206 | * Zero on success, errno on failure. | |
1207 | */ | |
1208 | int drm_mode_getresources(struct drm_device *dev, void *data, | |
1209 | struct drm_file *file_priv) | |
1210 | { | |
1211 | struct drm_mode_card_res *card_res = data; | |
1212 | struct list_head *lh; | |
1213 | struct drm_framebuffer *fb; | |
1214 | struct drm_connector *connector; | |
1215 | struct drm_crtc *crtc; | |
1216 | struct drm_encoder *encoder; | |
1217 | int ret = 0; | |
1218 | int connector_count = 0; | |
1219 | int crtc_count = 0; | |
1220 | int fb_count = 0; | |
1221 | int encoder_count = 0; | |
1222 | int copied = 0, i; | |
1223 | uint32_t __user *fb_id; | |
1224 | uint32_t __user *crtc_id; | |
1225 | uint32_t __user *connector_id; | |
1226 | uint32_t __user *encoder_id; | |
1227 | struct drm_mode_group *mode_group; | |
1228 | ||
fb3b06c8 DA |
1229 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1230 | return -EINVAL; | |
1231 | ||
f453ba04 DA |
1232 | mutex_lock(&dev->mode_config.mutex); |
1233 | ||
1234 | /* | |
1235 | * For the non-control nodes we need to limit the list of resources | |
1236 | * by IDs in the group list for this node | |
1237 | */ | |
1238 | list_for_each(lh, &file_priv->fbs) | |
1239 | fb_count++; | |
1240 | ||
1241 | mode_group = &file_priv->master->minor->mode_group; | |
1242 | if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { | |
1243 | ||
1244 | list_for_each(lh, &dev->mode_config.crtc_list) | |
1245 | crtc_count++; | |
1246 | ||
1247 | list_for_each(lh, &dev->mode_config.connector_list) | |
1248 | connector_count++; | |
1249 | ||
1250 | list_for_each(lh, &dev->mode_config.encoder_list) | |
1251 | encoder_count++; | |
1252 | } else { | |
1253 | ||
1254 | crtc_count = mode_group->num_crtcs; | |
1255 | connector_count = mode_group->num_connectors; | |
1256 | encoder_count = mode_group->num_encoders; | |
1257 | } | |
1258 | ||
1259 | card_res->max_height = dev->mode_config.max_height; | |
1260 | card_res->min_height = dev->mode_config.min_height; | |
1261 | card_res->max_width = dev->mode_config.max_width; | |
1262 | card_res->min_width = dev->mode_config.min_width; | |
1263 | ||
1264 | /* handle this in 4 parts */ | |
1265 | /* FBs */ | |
1266 | if (card_res->count_fbs >= fb_count) { | |
1267 | copied = 0; | |
1268 | fb_id = (uint32_t __user *)(unsigned long)card_res->fb_id_ptr; | |
618c75e4 | 1269 | list_for_each_entry(fb, &file_priv->fbs, filp_head) { |
f453ba04 DA |
1270 | if (put_user(fb->base.id, fb_id + copied)) { |
1271 | ret = -EFAULT; | |
1272 | goto out; | |
1273 | } | |
1274 | copied++; | |
1275 | } | |
1276 | } | |
1277 | card_res->count_fbs = fb_count; | |
1278 | ||
1279 | /* CRTCs */ | |
1280 | if (card_res->count_crtcs >= crtc_count) { | |
1281 | copied = 0; | |
1282 | crtc_id = (uint32_t __user *)(unsigned long)card_res->crtc_id_ptr; | |
1283 | if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { | |
1284 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, | |
1285 | head) { | |
9440106b | 1286 | DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id); |
f453ba04 DA |
1287 | if (put_user(crtc->base.id, crtc_id + copied)) { |
1288 | ret = -EFAULT; | |
1289 | goto out; | |
1290 | } | |
1291 | copied++; | |
1292 | } | |
1293 | } else { | |
1294 | for (i = 0; i < mode_group->num_crtcs; i++) { | |
1295 | if (put_user(mode_group->id_list[i], | |
1296 | crtc_id + copied)) { | |
1297 | ret = -EFAULT; | |
1298 | goto out; | |
1299 | } | |
1300 | copied++; | |
1301 | } | |
1302 | } | |
1303 | } | |
1304 | card_res->count_crtcs = crtc_count; | |
1305 | ||
1306 | /* Encoders */ | |
1307 | if (card_res->count_encoders >= encoder_count) { | |
1308 | copied = 0; | |
1309 | encoder_id = (uint32_t __user *)(unsigned long)card_res->encoder_id_ptr; | |
1310 | if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { | |
1311 | list_for_each_entry(encoder, | |
1312 | &dev->mode_config.encoder_list, | |
1313 | head) { | |
9440106b JG |
1314 | DRM_DEBUG_KMS("[ENCODER:%d:%s]\n", encoder->base.id, |
1315 | drm_get_encoder_name(encoder)); | |
f453ba04 DA |
1316 | if (put_user(encoder->base.id, encoder_id + |
1317 | copied)) { | |
1318 | ret = -EFAULT; | |
1319 | goto out; | |
1320 | } | |
1321 | copied++; | |
1322 | } | |
1323 | } else { | |
1324 | for (i = mode_group->num_crtcs; i < mode_group->num_crtcs + mode_group->num_encoders; i++) { | |
1325 | if (put_user(mode_group->id_list[i], | |
1326 | encoder_id + copied)) { | |
1327 | ret = -EFAULT; | |
1328 | goto out; | |
1329 | } | |
1330 | copied++; | |
1331 | } | |
1332 | ||
1333 | } | |
1334 | } | |
1335 | card_res->count_encoders = encoder_count; | |
1336 | ||
1337 | /* Connectors */ | |
1338 | if (card_res->count_connectors >= connector_count) { | |
1339 | copied = 0; | |
1340 | connector_id = (uint32_t __user *)(unsigned long)card_res->connector_id_ptr; | |
1341 | if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { | |
1342 | list_for_each_entry(connector, | |
1343 | &dev->mode_config.connector_list, | |
1344 | head) { | |
9440106b JG |
1345 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", |
1346 | connector->base.id, | |
1347 | drm_get_connector_name(connector)); | |
f453ba04 DA |
1348 | if (put_user(connector->base.id, |
1349 | connector_id + copied)) { | |
1350 | ret = -EFAULT; | |
1351 | goto out; | |
1352 | } | |
1353 | copied++; | |
1354 | } | |
1355 | } else { | |
1356 | int start = mode_group->num_crtcs + | |
1357 | mode_group->num_encoders; | |
1358 | for (i = start; i < start + mode_group->num_connectors; i++) { | |
1359 | if (put_user(mode_group->id_list[i], | |
1360 | connector_id + copied)) { | |
1361 | ret = -EFAULT; | |
1362 | goto out; | |
1363 | } | |
1364 | copied++; | |
1365 | } | |
1366 | } | |
1367 | } | |
1368 | card_res->count_connectors = connector_count; | |
1369 | ||
9440106b | 1370 | DRM_DEBUG_KMS("CRTC[%d] CONNECTORS[%d] ENCODERS[%d]\n", card_res->count_crtcs, |
f453ba04 DA |
1371 | card_res->count_connectors, card_res->count_encoders); |
1372 | ||
1373 | out: | |
1374 | mutex_unlock(&dev->mode_config.mutex); | |
1375 | return ret; | |
1376 | } | |
1377 | ||
1378 | /** | |
1379 | * drm_mode_getcrtc - get CRTC configuration | |
1380 | * @inode: inode from the ioctl | |
1381 | * @filp: file * from the ioctl | |
1382 | * @cmd: cmd from ioctl | |
1383 | * @arg: arg from ioctl | |
1384 | * | |
1385 | * LOCKING: | |
b20f3867 | 1386 | * Takes mode config lock. |
f453ba04 DA |
1387 | * |
1388 | * Construct a CRTC configuration structure to return to the user. | |
1389 | * | |
1390 | * Called by the user via ioctl. | |
1391 | * | |
1392 | * RETURNS: | |
1393 | * Zero on success, errno on failure. | |
1394 | */ | |
1395 | int drm_mode_getcrtc(struct drm_device *dev, | |
1396 | void *data, struct drm_file *file_priv) | |
1397 | { | |
1398 | struct drm_mode_crtc *crtc_resp = data; | |
1399 | struct drm_crtc *crtc; | |
1400 | struct drm_mode_object *obj; | |
1401 | int ret = 0; | |
1402 | ||
fb3b06c8 DA |
1403 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1404 | return -EINVAL; | |
1405 | ||
f453ba04 DA |
1406 | mutex_lock(&dev->mode_config.mutex); |
1407 | ||
1408 | obj = drm_mode_object_find(dev, crtc_resp->crtc_id, | |
1409 | DRM_MODE_OBJECT_CRTC); | |
1410 | if (!obj) { | |
1411 | ret = -EINVAL; | |
1412 | goto out; | |
1413 | } | |
1414 | crtc = obj_to_crtc(obj); | |
1415 | ||
1416 | crtc_resp->x = crtc->x; | |
1417 | crtc_resp->y = crtc->y; | |
1418 | crtc_resp->gamma_size = crtc->gamma_size; | |
1419 | if (crtc->fb) | |
1420 | crtc_resp->fb_id = crtc->fb->base.id; | |
1421 | else | |
1422 | crtc_resp->fb_id = 0; | |
1423 | ||
1424 | if (crtc->enabled) { | |
1425 | ||
1426 | drm_crtc_convert_to_umode(&crtc_resp->mode, &crtc->mode); | |
1427 | crtc_resp->mode_valid = 1; | |
1428 | ||
1429 | } else { | |
1430 | crtc_resp->mode_valid = 0; | |
1431 | } | |
1432 | ||
1433 | out: | |
1434 | mutex_unlock(&dev->mode_config.mutex); | |
1435 | return ret; | |
1436 | } | |
1437 | ||
1438 | /** | |
1439 | * drm_mode_getconnector - get connector configuration | |
1440 | * @inode: inode from the ioctl | |
1441 | * @filp: file * from the ioctl | |
1442 | * @cmd: cmd from ioctl | |
1443 | * @arg: arg from ioctl | |
1444 | * | |
1445 | * LOCKING: | |
b20f3867 | 1446 | * Takes mode config lock. |
f453ba04 DA |
1447 | * |
1448 | * Construct a connector configuration structure to return to the user. | |
1449 | * | |
1450 | * Called by the user via ioctl. | |
1451 | * | |
1452 | * RETURNS: | |
1453 | * Zero on success, errno on failure. | |
1454 | */ | |
1455 | int drm_mode_getconnector(struct drm_device *dev, void *data, | |
1456 | struct drm_file *file_priv) | |
1457 | { | |
1458 | struct drm_mode_get_connector *out_resp = data; | |
1459 | struct drm_mode_object *obj; | |
1460 | struct drm_connector *connector; | |
1461 | struct drm_display_mode *mode; | |
1462 | int mode_count = 0; | |
1463 | int props_count = 0; | |
1464 | int encoders_count = 0; | |
1465 | int ret = 0; | |
1466 | int copied = 0; | |
1467 | int i; | |
1468 | struct drm_mode_modeinfo u_mode; | |
1469 | struct drm_mode_modeinfo __user *mode_ptr; | |
1470 | uint32_t __user *prop_ptr; | |
1471 | uint64_t __user *prop_values; | |
1472 | uint32_t __user *encoder_ptr; | |
1473 | ||
fb3b06c8 DA |
1474 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1475 | return -EINVAL; | |
1476 | ||
f453ba04 DA |
1477 | memset(&u_mode, 0, sizeof(struct drm_mode_modeinfo)); |
1478 | ||
9440106b | 1479 | DRM_DEBUG_KMS("[CONNECTOR:%d:?]\n", out_resp->connector_id); |
f453ba04 DA |
1480 | |
1481 | mutex_lock(&dev->mode_config.mutex); | |
1482 | ||
1483 | obj = drm_mode_object_find(dev, out_resp->connector_id, | |
1484 | DRM_MODE_OBJECT_CONNECTOR); | |
1485 | if (!obj) { | |
1486 | ret = -EINVAL; | |
1487 | goto out; | |
1488 | } | |
1489 | connector = obj_to_connector(obj); | |
1490 | ||
7f88a9be | 1491 | props_count = connector->properties.count; |
f453ba04 DA |
1492 | |
1493 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { | |
1494 | if (connector->encoder_ids[i] != 0) { | |
1495 | encoders_count++; | |
1496 | } | |
1497 | } | |
1498 | ||
1499 | if (out_resp->count_modes == 0) { | |
1500 | connector->funcs->fill_modes(connector, | |
1501 | dev->mode_config.max_width, | |
1502 | dev->mode_config.max_height); | |
1503 | } | |
1504 | ||
1505 | /* delayed so we get modes regardless of pre-fill_modes state */ | |
1506 | list_for_each_entry(mode, &connector->modes, head) | |
1507 | mode_count++; | |
1508 | ||
1509 | out_resp->connector_id = connector->base.id; | |
1510 | out_resp->connector_type = connector->connector_type; | |
1511 | out_resp->connector_type_id = connector->connector_type_id; | |
1512 | out_resp->mm_width = connector->display_info.width_mm; | |
1513 | out_resp->mm_height = connector->display_info.height_mm; | |
1514 | out_resp->subpixel = connector->display_info.subpixel_order; | |
1515 | out_resp->connection = connector->status; | |
1516 | if (connector->encoder) | |
1517 | out_resp->encoder_id = connector->encoder->base.id; | |
1518 | else | |
1519 | out_resp->encoder_id = 0; | |
1520 | ||
1521 | /* | |
1522 | * This ioctl is called twice, once to determine how much space is | |
1523 | * needed, and the 2nd time to fill it. | |
1524 | */ | |
1525 | if ((out_resp->count_modes >= mode_count) && mode_count) { | |
1526 | copied = 0; | |
81f6c7f8 | 1527 | mode_ptr = (struct drm_mode_modeinfo __user *)(unsigned long)out_resp->modes_ptr; |
f453ba04 DA |
1528 | list_for_each_entry(mode, &connector->modes, head) { |
1529 | drm_crtc_convert_to_umode(&u_mode, mode); | |
1530 | if (copy_to_user(mode_ptr + copied, | |
1531 | &u_mode, sizeof(u_mode))) { | |
1532 | ret = -EFAULT; | |
1533 | goto out; | |
1534 | } | |
1535 | copied++; | |
1536 | } | |
1537 | } | |
1538 | out_resp->count_modes = mode_count; | |
1539 | ||
1540 | if ((out_resp->count_props >= props_count) && props_count) { | |
1541 | copied = 0; | |
81f6c7f8 VS |
1542 | prop_ptr = (uint32_t __user *)(unsigned long)(out_resp->props_ptr); |
1543 | prop_values = (uint64_t __user *)(unsigned long)(out_resp->prop_values_ptr); | |
7f88a9be PZ |
1544 | for (i = 0; i < connector->properties.count; i++) { |
1545 | if (put_user(connector->properties.ids[i], | |
1546 | prop_ptr + copied)) { | |
1547 | ret = -EFAULT; | |
1548 | goto out; | |
1549 | } | |
f453ba04 | 1550 | |
7f88a9be PZ |
1551 | if (put_user(connector->properties.values[i], |
1552 | prop_values + copied)) { | |
1553 | ret = -EFAULT; | |
1554 | goto out; | |
f453ba04 | 1555 | } |
7f88a9be | 1556 | copied++; |
f453ba04 DA |
1557 | } |
1558 | } | |
1559 | out_resp->count_props = props_count; | |
1560 | ||
1561 | if ((out_resp->count_encoders >= encoders_count) && encoders_count) { | |
1562 | copied = 0; | |
81f6c7f8 | 1563 | encoder_ptr = (uint32_t __user *)(unsigned long)(out_resp->encoders_ptr); |
f453ba04 DA |
1564 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { |
1565 | if (connector->encoder_ids[i] != 0) { | |
1566 | if (put_user(connector->encoder_ids[i], | |
1567 | encoder_ptr + copied)) { | |
1568 | ret = -EFAULT; | |
1569 | goto out; | |
1570 | } | |
1571 | copied++; | |
1572 | } | |
1573 | } | |
1574 | } | |
1575 | out_resp->count_encoders = encoders_count; | |
1576 | ||
1577 | out: | |
1578 | mutex_unlock(&dev->mode_config.mutex); | |
1579 | return ret; | |
1580 | } | |
1581 | ||
1582 | int drm_mode_getencoder(struct drm_device *dev, void *data, | |
1583 | struct drm_file *file_priv) | |
1584 | { | |
1585 | struct drm_mode_get_encoder *enc_resp = data; | |
1586 | struct drm_mode_object *obj; | |
1587 | struct drm_encoder *encoder; | |
1588 | int ret = 0; | |
1589 | ||
fb3b06c8 DA |
1590 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1591 | return -EINVAL; | |
1592 | ||
f453ba04 DA |
1593 | mutex_lock(&dev->mode_config.mutex); |
1594 | obj = drm_mode_object_find(dev, enc_resp->encoder_id, | |
1595 | DRM_MODE_OBJECT_ENCODER); | |
1596 | if (!obj) { | |
1597 | ret = -EINVAL; | |
1598 | goto out; | |
1599 | } | |
1600 | encoder = obj_to_encoder(obj); | |
1601 | ||
1602 | if (encoder->crtc) | |
1603 | enc_resp->crtc_id = encoder->crtc->base.id; | |
1604 | else | |
1605 | enc_resp->crtc_id = 0; | |
1606 | enc_resp->encoder_type = encoder->encoder_type; | |
1607 | enc_resp->encoder_id = encoder->base.id; | |
1608 | enc_resp->possible_crtcs = encoder->possible_crtcs; | |
1609 | enc_resp->possible_clones = encoder->possible_clones; | |
1610 | ||
1611 | out: | |
1612 | mutex_unlock(&dev->mode_config.mutex); | |
1613 | return ret; | |
1614 | } | |
1615 | ||
8cf5c917 JB |
1616 | /** |
1617 | * drm_mode_getplane_res - get plane info | |
1618 | * @dev: DRM device | |
1619 | * @data: ioctl data | |
1620 | * @file_priv: DRM file info | |
1621 | * | |
b20f3867 SH |
1622 | * LOCKING: |
1623 | * Takes mode config lock. | |
1624 | * | |
8cf5c917 JB |
1625 | * Return an plane count and set of IDs. |
1626 | */ | |
1627 | int drm_mode_getplane_res(struct drm_device *dev, void *data, | |
1628 | struct drm_file *file_priv) | |
1629 | { | |
1630 | struct drm_mode_get_plane_res *plane_resp = data; | |
1631 | struct drm_mode_config *config; | |
1632 | struct drm_plane *plane; | |
1633 | uint32_t __user *plane_ptr; | |
1634 | int copied = 0, ret = 0; | |
1635 | ||
1636 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) | |
1637 | return -EINVAL; | |
1638 | ||
1639 | mutex_lock(&dev->mode_config.mutex); | |
1640 | config = &dev->mode_config; | |
1641 | ||
1642 | /* | |
1643 | * This ioctl is called twice, once to determine how much space is | |
1644 | * needed, and the 2nd time to fill it. | |
1645 | */ | |
1646 | if (config->num_plane && | |
1647 | (plane_resp->count_planes >= config->num_plane)) { | |
81f6c7f8 | 1648 | plane_ptr = (uint32_t __user *)(unsigned long)plane_resp->plane_id_ptr; |
8cf5c917 JB |
1649 | |
1650 | list_for_each_entry(plane, &config->plane_list, head) { | |
1651 | if (put_user(plane->base.id, plane_ptr + copied)) { | |
1652 | ret = -EFAULT; | |
1653 | goto out; | |
1654 | } | |
1655 | copied++; | |
1656 | } | |
1657 | } | |
1658 | plane_resp->count_planes = config->num_plane; | |
1659 | ||
1660 | out: | |
1661 | mutex_unlock(&dev->mode_config.mutex); | |
1662 | return ret; | |
1663 | } | |
1664 | ||
1665 | /** | |
1666 | * drm_mode_getplane - get plane info | |
1667 | * @dev: DRM device | |
1668 | * @data: ioctl data | |
1669 | * @file_priv: DRM file info | |
1670 | * | |
b20f3867 SH |
1671 | * LOCKING: |
1672 | * Takes mode config lock. | |
1673 | * | |
8cf5c917 JB |
1674 | * Return plane info, including formats supported, gamma size, any |
1675 | * current fb, etc. | |
1676 | */ | |
1677 | int drm_mode_getplane(struct drm_device *dev, void *data, | |
1678 | struct drm_file *file_priv) | |
1679 | { | |
1680 | struct drm_mode_get_plane *plane_resp = data; | |
1681 | struct drm_mode_object *obj; | |
1682 | struct drm_plane *plane; | |
1683 | uint32_t __user *format_ptr; | |
1684 | int ret = 0; | |
1685 | ||
1686 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) | |
1687 | return -EINVAL; | |
1688 | ||
1689 | mutex_lock(&dev->mode_config.mutex); | |
1690 | obj = drm_mode_object_find(dev, plane_resp->plane_id, | |
1691 | DRM_MODE_OBJECT_PLANE); | |
1692 | if (!obj) { | |
1693 | ret = -ENOENT; | |
1694 | goto out; | |
1695 | } | |
1696 | plane = obj_to_plane(obj); | |
1697 | ||
1698 | if (plane->crtc) | |
1699 | plane_resp->crtc_id = plane->crtc->base.id; | |
1700 | else | |
1701 | plane_resp->crtc_id = 0; | |
1702 | ||
1703 | if (plane->fb) | |
1704 | plane_resp->fb_id = plane->fb->base.id; | |
1705 | else | |
1706 | plane_resp->fb_id = 0; | |
1707 | ||
1708 | plane_resp->plane_id = plane->base.id; | |
1709 | plane_resp->possible_crtcs = plane->possible_crtcs; | |
1710 | plane_resp->gamma_size = plane->gamma_size; | |
1711 | ||
1712 | /* | |
1713 | * This ioctl is called twice, once to determine how much space is | |
1714 | * needed, and the 2nd time to fill it. | |
1715 | */ | |
1716 | if (plane->format_count && | |
1717 | (plane_resp->count_format_types >= plane->format_count)) { | |
81f6c7f8 | 1718 | format_ptr = (uint32_t __user *)(unsigned long)plane_resp->format_type_ptr; |
8cf5c917 JB |
1719 | if (copy_to_user(format_ptr, |
1720 | plane->format_types, | |
1721 | sizeof(uint32_t) * plane->format_count)) { | |
1722 | ret = -EFAULT; | |
1723 | goto out; | |
1724 | } | |
1725 | } | |
1726 | plane_resp->count_format_types = plane->format_count; | |
1727 | ||
1728 | out: | |
1729 | mutex_unlock(&dev->mode_config.mutex); | |
1730 | return ret; | |
1731 | } | |
1732 | ||
1733 | /** | |
1734 | * drm_mode_setplane - set up or tear down an plane | |
1735 | * @dev: DRM device | |
1736 | * @data: ioctl data* | |
1737 | * @file_prive: DRM file info | |
1738 | * | |
b20f3867 SH |
1739 | * LOCKING: |
1740 | * Takes mode config lock. | |
1741 | * | |
8cf5c917 JB |
1742 | * Set plane info, including placement, fb, scaling, and other factors. |
1743 | * Or pass a NULL fb to disable. | |
1744 | */ | |
1745 | int drm_mode_setplane(struct drm_device *dev, void *data, | |
1746 | struct drm_file *file_priv) | |
1747 | { | |
1748 | struct drm_mode_set_plane *plane_req = data; | |
1749 | struct drm_mode_object *obj; | |
1750 | struct drm_plane *plane; | |
1751 | struct drm_crtc *crtc; | |
1752 | struct drm_framebuffer *fb; | |
1753 | int ret = 0; | |
42ef8789 | 1754 | unsigned int fb_width, fb_height; |
62443be6 | 1755 | int i; |
8cf5c917 JB |
1756 | |
1757 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) | |
1758 | return -EINVAL; | |
1759 | ||
1760 | mutex_lock(&dev->mode_config.mutex); | |
1761 | ||
1762 | /* | |
1763 | * First, find the plane, crtc, and fb objects. If not available, | |
1764 | * we don't bother to call the driver. | |
1765 | */ | |
1766 | obj = drm_mode_object_find(dev, plane_req->plane_id, | |
1767 | DRM_MODE_OBJECT_PLANE); | |
1768 | if (!obj) { | |
1769 | DRM_DEBUG_KMS("Unknown plane ID %d\n", | |
1770 | plane_req->plane_id); | |
1771 | ret = -ENOENT; | |
1772 | goto out; | |
1773 | } | |
1774 | plane = obj_to_plane(obj); | |
1775 | ||
1776 | /* No fb means shut it down */ | |
1777 | if (!plane_req->fb_id) { | |
1778 | plane->funcs->disable_plane(plane); | |
e5e3b44c VS |
1779 | plane->crtc = NULL; |
1780 | plane->fb = NULL; | |
8cf5c917 JB |
1781 | goto out; |
1782 | } | |
1783 | ||
1784 | obj = drm_mode_object_find(dev, plane_req->crtc_id, | |
1785 | DRM_MODE_OBJECT_CRTC); | |
1786 | if (!obj) { | |
1787 | DRM_DEBUG_KMS("Unknown crtc ID %d\n", | |
1788 | plane_req->crtc_id); | |
1789 | ret = -ENOENT; | |
1790 | goto out; | |
1791 | } | |
1792 | crtc = obj_to_crtc(obj); | |
1793 | ||
1794 | obj = drm_mode_object_find(dev, plane_req->fb_id, | |
1795 | DRM_MODE_OBJECT_FB); | |
1796 | if (!obj) { | |
1797 | DRM_DEBUG_KMS("Unknown framebuffer ID %d\n", | |
1798 | plane_req->fb_id); | |
1799 | ret = -ENOENT; | |
1800 | goto out; | |
1801 | } | |
1802 | fb = obj_to_fb(obj); | |
1803 | ||
62443be6 VS |
1804 | /* Check whether this plane supports the fb pixel format. */ |
1805 | for (i = 0; i < plane->format_count; i++) | |
1806 | if (fb->pixel_format == plane->format_types[i]) | |
1807 | break; | |
1808 | if (i == plane->format_count) { | |
1809 | DRM_DEBUG_KMS("Invalid pixel format 0x%08x\n", fb->pixel_format); | |
1810 | ret = -EINVAL; | |
1811 | goto out; | |
1812 | } | |
1813 | ||
42ef8789 VS |
1814 | fb_width = fb->width << 16; |
1815 | fb_height = fb->height << 16; | |
1816 | ||
1817 | /* Make sure source coordinates are inside the fb. */ | |
1818 | if (plane_req->src_w > fb_width || | |
1819 | plane_req->src_x > fb_width - plane_req->src_w || | |
1820 | plane_req->src_h > fb_height || | |
1821 | plane_req->src_y > fb_height - plane_req->src_h) { | |
1822 | DRM_DEBUG_KMS("Invalid source coordinates " | |
1823 | "%u.%06ux%u.%06u+%u.%06u+%u.%06u\n", | |
1824 | plane_req->src_w >> 16, | |
1825 | ((plane_req->src_w & 0xffff) * 15625) >> 10, | |
1826 | plane_req->src_h >> 16, | |
1827 | ((plane_req->src_h & 0xffff) * 15625) >> 10, | |
1828 | plane_req->src_x >> 16, | |
1829 | ((plane_req->src_x & 0xffff) * 15625) >> 10, | |
1830 | plane_req->src_y >> 16, | |
1831 | ((plane_req->src_y & 0xffff) * 15625) >> 10); | |
1832 | ret = -ENOSPC; | |
1833 | goto out; | |
1834 | } | |
1835 | ||
687a0400 VS |
1836 | /* Give drivers some help against integer overflows */ |
1837 | if (plane_req->crtc_w > INT_MAX || | |
1838 | plane_req->crtc_x > INT_MAX - (int32_t) plane_req->crtc_w || | |
1839 | plane_req->crtc_h > INT_MAX || | |
1840 | plane_req->crtc_y > INT_MAX - (int32_t) plane_req->crtc_h) { | |
1841 | DRM_DEBUG_KMS("Invalid CRTC coordinates %ux%u+%d+%d\n", | |
1842 | plane_req->crtc_w, plane_req->crtc_h, | |
1843 | plane_req->crtc_x, plane_req->crtc_y); | |
1844 | ret = -ERANGE; | |
1845 | goto out; | |
1846 | } | |
1847 | ||
8cf5c917 JB |
1848 | ret = plane->funcs->update_plane(plane, crtc, fb, |
1849 | plane_req->crtc_x, plane_req->crtc_y, | |
1850 | plane_req->crtc_w, plane_req->crtc_h, | |
1851 | plane_req->src_x, plane_req->src_y, | |
1852 | plane_req->src_w, plane_req->src_h); | |
1853 | if (!ret) { | |
1854 | plane->crtc = crtc; | |
1855 | plane->fb = fb; | |
1856 | } | |
1857 | ||
1858 | out: | |
1859 | mutex_unlock(&dev->mode_config.mutex); | |
1860 | ||
1861 | return ret; | |
1862 | } | |
1863 | ||
f453ba04 DA |
1864 | /** |
1865 | * drm_mode_setcrtc - set CRTC configuration | |
1866 | * @inode: inode from the ioctl | |
1867 | * @filp: file * from the ioctl | |
1868 | * @cmd: cmd from ioctl | |
1869 | * @arg: arg from ioctl | |
1870 | * | |
1871 | * LOCKING: | |
b20f3867 | 1872 | * Takes mode config lock. |
f453ba04 DA |
1873 | * |
1874 | * Build a new CRTC configuration based on user request. | |
1875 | * | |
1876 | * Called by the user via ioctl. | |
1877 | * | |
1878 | * RETURNS: | |
1879 | * Zero on success, errno on failure. | |
1880 | */ | |
1881 | int drm_mode_setcrtc(struct drm_device *dev, void *data, | |
1882 | struct drm_file *file_priv) | |
1883 | { | |
1884 | struct drm_mode_config *config = &dev->mode_config; | |
1885 | struct drm_mode_crtc *crtc_req = data; | |
1886 | struct drm_mode_object *obj; | |
6653cc8d | 1887 | struct drm_crtc *crtc; |
f453ba04 DA |
1888 | struct drm_connector **connector_set = NULL, *connector; |
1889 | struct drm_framebuffer *fb = NULL; | |
1890 | struct drm_display_mode *mode = NULL; | |
1891 | struct drm_mode_set set; | |
1892 | uint32_t __user *set_connectors_ptr; | |
4a1b0714 | 1893 | int ret; |
f453ba04 DA |
1894 | int i; |
1895 | ||
fb3b06c8 DA |
1896 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1897 | return -EINVAL; | |
1898 | ||
1d97e915 VS |
1899 | /* For some reason crtc x/y offsets are signed internally. */ |
1900 | if (crtc_req->x > INT_MAX || crtc_req->y > INT_MAX) | |
1901 | return -ERANGE; | |
1902 | ||
f453ba04 DA |
1903 | mutex_lock(&dev->mode_config.mutex); |
1904 | obj = drm_mode_object_find(dev, crtc_req->crtc_id, | |
1905 | DRM_MODE_OBJECT_CRTC); | |
1906 | if (!obj) { | |
58367ed6 | 1907 | DRM_DEBUG_KMS("Unknown CRTC ID %d\n", crtc_req->crtc_id); |
f453ba04 DA |
1908 | ret = -EINVAL; |
1909 | goto out; | |
1910 | } | |
1911 | crtc = obj_to_crtc(obj); | |
9440106b | 1912 | DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id); |
f453ba04 DA |
1913 | |
1914 | if (crtc_req->mode_valid) { | |
7c80e128 | 1915 | int hdisplay, vdisplay; |
f453ba04 DA |
1916 | /* If we have a mode we need a framebuffer. */ |
1917 | /* If we pass -1, set the mode with the currently bound fb */ | |
1918 | if (crtc_req->fb_id == -1) { | |
6653cc8d VS |
1919 | if (!crtc->fb) { |
1920 | DRM_DEBUG_KMS("CRTC doesn't have current FB\n"); | |
1921 | ret = -EINVAL; | |
1922 | goto out; | |
f453ba04 | 1923 | } |
6653cc8d | 1924 | fb = crtc->fb; |
f453ba04 DA |
1925 | } else { |
1926 | obj = drm_mode_object_find(dev, crtc_req->fb_id, | |
1927 | DRM_MODE_OBJECT_FB); | |
1928 | if (!obj) { | |
58367ed6 ZY |
1929 | DRM_DEBUG_KMS("Unknown FB ID%d\n", |
1930 | crtc_req->fb_id); | |
f453ba04 DA |
1931 | ret = -EINVAL; |
1932 | goto out; | |
1933 | } | |
1934 | fb = obj_to_fb(obj); | |
1935 | } | |
1936 | ||
1937 | mode = drm_mode_create(dev); | |
ee34ab5b VS |
1938 | if (!mode) { |
1939 | ret = -ENOMEM; | |
1940 | goto out; | |
1941 | } | |
1942 | ||
90367bf6 VS |
1943 | ret = drm_crtc_convert_umode(mode, &crtc_req->mode); |
1944 | if (ret) { | |
1945 | DRM_DEBUG_KMS("Invalid mode\n"); | |
1946 | goto out; | |
1947 | } | |
1948 | ||
f453ba04 | 1949 | drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V); |
5f61bb42 | 1950 | |
7c80e128 RC |
1951 | hdisplay = mode->hdisplay; |
1952 | vdisplay = mode->vdisplay; | |
1953 | ||
1954 | if (crtc->invert_dimensions) | |
1955 | swap(hdisplay, vdisplay); | |
1956 | ||
1957 | if (hdisplay > fb->width || | |
1958 | vdisplay > fb->height || | |
1959 | crtc_req->x > fb->width - hdisplay || | |
1960 | crtc_req->y > fb->height - vdisplay) { | |
1961 | DRM_DEBUG_KMS("Invalid fb size %ux%u for CRTC viewport %ux%u+%d+%d%s.\n", | |
1962 | fb->width, fb->height, | |
1963 | hdisplay, vdisplay, crtc_req->x, crtc_req->y, | |
1964 | crtc->invert_dimensions ? " (inverted)" : ""); | |
5f61bb42 VS |
1965 | ret = -ENOSPC; |
1966 | goto out; | |
1967 | } | |
f453ba04 DA |
1968 | } |
1969 | ||
1970 | if (crtc_req->count_connectors == 0 && mode) { | |
58367ed6 | 1971 | DRM_DEBUG_KMS("Count connectors is 0 but mode set\n"); |
f453ba04 DA |
1972 | ret = -EINVAL; |
1973 | goto out; | |
1974 | } | |
1975 | ||
7781de74 | 1976 | if (crtc_req->count_connectors > 0 && (!mode || !fb)) { |
58367ed6 | 1977 | DRM_DEBUG_KMS("Count connectors is %d but no mode or fb set\n", |
f453ba04 DA |
1978 | crtc_req->count_connectors); |
1979 | ret = -EINVAL; | |
1980 | goto out; | |
1981 | } | |
1982 | ||
1983 | if (crtc_req->count_connectors > 0) { | |
1984 | u32 out_id; | |
1985 | ||
1986 | /* Avoid unbounded kernel memory allocation */ | |
1987 | if (crtc_req->count_connectors > config->num_connector) { | |
1988 | ret = -EINVAL; | |
1989 | goto out; | |
1990 | } | |
1991 | ||
1992 | connector_set = kmalloc(crtc_req->count_connectors * | |
1993 | sizeof(struct drm_connector *), | |
1994 | GFP_KERNEL); | |
1995 | if (!connector_set) { | |
1996 | ret = -ENOMEM; | |
1997 | goto out; | |
1998 | } | |
1999 | ||
2000 | for (i = 0; i < crtc_req->count_connectors; i++) { | |
81f6c7f8 | 2001 | set_connectors_ptr = (uint32_t __user *)(unsigned long)crtc_req->set_connectors_ptr; |
f453ba04 DA |
2002 | if (get_user(out_id, &set_connectors_ptr[i])) { |
2003 | ret = -EFAULT; | |
2004 | goto out; | |
2005 | } | |
2006 | ||
2007 | obj = drm_mode_object_find(dev, out_id, | |
2008 | DRM_MODE_OBJECT_CONNECTOR); | |
2009 | if (!obj) { | |
58367ed6 ZY |
2010 | DRM_DEBUG_KMS("Connector id %d unknown\n", |
2011 | out_id); | |
f453ba04 DA |
2012 | ret = -EINVAL; |
2013 | goto out; | |
2014 | } | |
2015 | connector = obj_to_connector(obj); | |
9440106b JG |
2016 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", |
2017 | connector->base.id, | |
2018 | drm_get_connector_name(connector)); | |
f453ba04 DA |
2019 | |
2020 | connector_set[i] = connector; | |
2021 | } | |
2022 | } | |
2023 | ||
2024 | set.crtc = crtc; | |
2025 | set.x = crtc_req->x; | |
2026 | set.y = crtc_req->y; | |
2027 | set.mode = mode; | |
2028 | set.connectors = connector_set; | |
2029 | set.num_connectors = crtc_req->count_connectors; | |
5ef5f72f | 2030 | set.fb = fb; |
f453ba04 DA |
2031 | ret = crtc->funcs->set_config(&set); |
2032 | ||
2033 | out: | |
2034 | kfree(connector_set); | |
ee34ab5b | 2035 | drm_mode_destroy(dev, mode); |
f453ba04 DA |
2036 | mutex_unlock(&dev->mode_config.mutex); |
2037 | return ret; | |
2038 | } | |
2039 | ||
2040 | int drm_mode_cursor_ioctl(struct drm_device *dev, | |
2041 | void *data, struct drm_file *file_priv) | |
2042 | { | |
2043 | struct drm_mode_cursor *req = data; | |
2044 | struct drm_mode_object *obj; | |
2045 | struct drm_crtc *crtc; | |
2046 | int ret = 0; | |
2047 | ||
fb3b06c8 DA |
2048 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2049 | return -EINVAL; | |
2050 | ||
7c4eaca4 | 2051 | if (!req->flags || (~DRM_MODE_CURSOR_FLAGS & req->flags)) |
f453ba04 | 2052 | return -EINVAL; |
f453ba04 DA |
2053 | |
2054 | mutex_lock(&dev->mode_config.mutex); | |
e0c8463a | 2055 | obj = drm_mode_object_find(dev, req->crtc_id, DRM_MODE_OBJECT_CRTC); |
f453ba04 | 2056 | if (!obj) { |
58367ed6 | 2057 | DRM_DEBUG_KMS("Unknown CRTC ID %d\n", req->crtc_id); |
f453ba04 DA |
2058 | ret = -EINVAL; |
2059 | goto out; | |
2060 | } | |
2061 | crtc = obj_to_crtc(obj); | |
2062 | ||
2063 | if (req->flags & DRM_MODE_CURSOR_BO) { | |
2064 | if (!crtc->funcs->cursor_set) { | |
f453ba04 DA |
2065 | ret = -ENXIO; |
2066 | goto out; | |
2067 | } | |
2068 | /* Turns off the cursor if handle is 0 */ | |
2069 | ret = crtc->funcs->cursor_set(crtc, file_priv, req->handle, | |
2070 | req->width, req->height); | |
2071 | } | |
2072 | ||
2073 | if (req->flags & DRM_MODE_CURSOR_MOVE) { | |
2074 | if (crtc->funcs->cursor_move) { | |
2075 | ret = crtc->funcs->cursor_move(crtc, req->x, req->y); | |
2076 | } else { | |
f453ba04 DA |
2077 | ret = -EFAULT; |
2078 | goto out; | |
2079 | } | |
2080 | } | |
2081 | out: | |
2082 | mutex_unlock(&dev->mode_config.mutex); | |
2083 | return ret; | |
2084 | } | |
2085 | ||
308e5bcb JB |
2086 | /* Original addfb only supported RGB formats, so figure out which one */ |
2087 | uint32_t drm_mode_legacy_fb_format(uint32_t bpp, uint32_t depth) | |
2088 | { | |
2089 | uint32_t fmt; | |
2090 | ||
2091 | switch (bpp) { | |
2092 | case 8: | |
04b3924d | 2093 | fmt = DRM_FORMAT_RGB332; |
308e5bcb JB |
2094 | break; |
2095 | case 16: | |
2096 | if (depth == 15) | |
04b3924d | 2097 | fmt = DRM_FORMAT_XRGB1555; |
308e5bcb | 2098 | else |
04b3924d | 2099 | fmt = DRM_FORMAT_RGB565; |
308e5bcb JB |
2100 | break; |
2101 | case 24: | |
04b3924d | 2102 | fmt = DRM_FORMAT_RGB888; |
308e5bcb JB |
2103 | break; |
2104 | case 32: | |
2105 | if (depth == 24) | |
04b3924d | 2106 | fmt = DRM_FORMAT_XRGB8888; |
308e5bcb | 2107 | else if (depth == 30) |
04b3924d | 2108 | fmt = DRM_FORMAT_XRGB2101010; |
308e5bcb | 2109 | else |
04b3924d | 2110 | fmt = DRM_FORMAT_ARGB8888; |
308e5bcb JB |
2111 | break; |
2112 | default: | |
04b3924d VS |
2113 | DRM_ERROR("bad bpp, assuming x8r8g8b8 pixel format\n"); |
2114 | fmt = DRM_FORMAT_XRGB8888; | |
308e5bcb JB |
2115 | break; |
2116 | } | |
2117 | ||
2118 | return fmt; | |
2119 | } | |
2120 | EXPORT_SYMBOL(drm_mode_legacy_fb_format); | |
2121 | ||
f453ba04 DA |
2122 | /** |
2123 | * drm_mode_addfb - add an FB to the graphics configuration | |
2124 | * @inode: inode from the ioctl | |
2125 | * @filp: file * from the ioctl | |
2126 | * @cmd: cmd from ioctl | |
2127 | * @arg: arg from ioctl | |
2128 | * | |
2129 | * LOCKING: | |
2130 | * Takes mode config lock. | |
2131 | * | |
2132 | * Add a new FB to the specified CRTC, given a user request. | |
2133 | * | |
2134 | * Called by the user via ioctl. | |
2135 | * | |
2136 | * RETURNS: | |
2137 | * Zero on success, errno on failure. | |
2138 | */ | |
2139 | int drm_mode_addfb(struct drm_device *dev, | |
2140 | void *data, struct drm_file *file_priv) | |
2141 | { | |
308e5bcb JB |
2142 | struct drm_mode_fb_cmd *or = data; |
2143 | struct drm_mode_fb_cmd2 r = {}; | |
2144 | struct drm_mode_config *config = &dev->mode_config; | |
2145 | struct drm_framebuffer *fb; | |
2146 | int ret = 0; | |
2147 | ||
2148 | /* Use new struct with format internally */ | |
2149 | r.fb_id = or->fb_id; | |
2150 | r.width = or->width; | |
2151 | r.height = or->height; | |
2152 | r.pitches[0] = or->pitch; | |
2153 | r.pixel_format = drm_mode_legacy_fb_format(or->bpp, or->depth); | |
2154 | r.handles[0] = or->handle; | |
2155 | ||
2156 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) | |
2157 | return -EINVAL; | |
2158 | ||
acb4b992 | 2159 | if ((config->min_width > r.width) || (r.width > config->max_width)) |
308e5bcb | 2160 | return -EINVAL; |
acb4b992 JB |
2161 | |
2162 | if ((config->min_height > r.height) || (r.height > config->max_height)) | |
308e5bcb | 2163 | return -EINVAL; |
308e5bcb JB |
2164 | |
2165 | mutex_lock(&dev->mode_config.mutex); | |
2166 | ||
2167 | /* TODO check buffer is sufficiently large */ | |
2168 | /* TODO setup destructor callback */ | |
2169 | ||
2170 | fb = dev->mode_config.funcs->fb_create(dev, file_priv, &r); | |
2171 | if (IS_ERR(fb)) { | |
1aa1b11c | 2172 | DRM_DEBUG_KMS("could not create framebuffer\n"); |
308e5bcb JB |
2173 | ret = PTR_ERR(fb); |
2174 | goto out; | |
2175 | } | |
2176 | ||
2177 | or->fb_id = fb->base.id; | |
2178 | list_add(&fb->filp_head, &file_priv->fbs); | |
2179 | DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id); | |
2180 | ||
2181 | out: | |
2182 | mutex_unlock(&dev->mode_config.mutex); | |
2183 | return ret; | |
2184 | } | |
2185 | ||
cff91b62 | 2186 | static int format_check(const struct drm_mode_fb_cmd2 *r) |
935b5977 VS |
2187 | { |
2188 | uint32_t format = r->pixel_format & ~DRM_FORMAT_BIG_ENDIAN; | |
2189 | ||
2190 | switch (format) { | |
2191 | case DRM_FORMAT_C8: | |
2192 | case DRM_FORMAT_RGB332: | |
2193 | case DRM_FORMAT_BGR233: | |
2194 | case DRM_FORMAT_XRGB4444: | |
2195 | case DRM_FORMAT_XBGR4444: | |
2196 | case DRM_FORMAT_RGBX4444: | |
2197 | case DRM_FORMAT_BGRX4444: | |
2198 | case DRM_FORMAT_ARGB4444: | |
2199 | case DRM_FORMAT_ABGR4444: | |
2200 | case DRM_FORMAT_RGBA4444: | |
2201 | case DRM_FORMAT_BGRA4444: | |
2202 | case DRM_FORMAT_XRGB1555: | |
2203 | case DRM_FORMAT_XBGR1555: | |
2204 | case DRM_FORMAT_RGBX5551: | |
2205 | case DRM_FORMAT_BGRX5551: | |
2206 | case DRM_FORMAT_ARGB1555: | |
2207 | case DRM_FORMAT_ABGR1555: | |
2208 | case DRM_FORMAT_RGBA5551: | |
2209 | case DRM_FORMAT_BGRA5551: | |
2210 | case DRM_FORMAT_RGB565: | |
2211 | case DRM_FORMAT_BGR565: | |
2212 | case DRM_FORMAT_RGB888: | |
2213 | case DRM_FORMAT_BGR888: | |
2214 | case DRM_FORMAT_XRGB8888: | |
2215 | case DRM_FORMAT_XBGR8888: | |
2216 | case DRM_FORMAT_RGBX8888: | |
2217 | case DRM_FORMAT_BGRX8888: | |
2218 | case DRM_FORMAT_ARGB8888: | |
2219 | case DRM_FORMAT_ABGR8888: | |
2220 | case DRM_FORMAT_RGBA8888: | |
2221 | case DRM_FORMAT_BGRA8888: | |
2222 | case DRM_FORMAT_XRGB2101010: | |
2223 | case DRM_FORMAT_XBGR2101010: | |
2224 | case DRM_FORMAT_RGBX1010102: | |
2225 | case DRM_FORMAT_BGRX1010102: | |
2226 | case DRM_FORMAT_ARGB2101010: | |
2227 | case DRM_FORMAT_ABGR2101010: | |
2228 | case DRM_FORMAT_RGBA1010102: | |
2229 | case DRM_FORMAT_BGRA1010102: | |
2230 | case DRM_FORMAT_YUYV: | |
2231 | case DRM_FORMAT_YVYU: | |
2232 | case DRM_FORMAT_UYVY: | |
2233 | case DRM_FORMAT_VYUY: | |
2234 | case DRM_FORMAT_AYUV: | |
2235 | case DRM_FORMAT_NV12: | |
2236 | case DRM_FORMAT_NV21: | |
2237 | case DRM_FORMAT_NV16: | |
2238 | case DRM_FORMAT_NV61: | |
ba623f6a LP |
2239 | case DRM_FORMAT_NV24: |
2240 | case DRM_FORMAT_NV42: | |
935b5977 VS |
2241 | case DRM_FORMAT_YUV410: |
2242 | case DRM_FORMAT_YVU410: | |
2243 | case DRM_FORMAT_YUV411: | |
2244 | case DRM_FORMAT_YVU411: | |
2245 | case DRM_FORMAT_YUV420: | |
2246 | case DRM_FORMAT_YVU420: | |
2247 | case DRM_FORMAT_YUV422: | |
2248 | case DRM_FORMAT_YVU422: | |
2249 | case DRM_FORMAT_YUV444: | |
2250 | case DRM_FORMAT_YVU444: | |
2251 | return 0; | |
2252 | default: | |
2253 | return -EINVAL; | |
2254 | } | |
2255 | } | |
2256 | ||
cff91b62 | 2257 | static int framebuffer_check(const struct drm_mode_fb_cmd2 *r) |
d1b45d5f VS |
2258 | { |
2259 | int ret, hsub, vsub, num_planes, i; | |
2260 | ||
2261 | ret = format_check(r); | |
2262 | if (ret) { | |
1aa1b11c | 2263 | DRM_DEBUG_KMS("bad framebuffer format 0x%08x\n", r->pixel_format); |
d1b45d5f VS |
2264 | return ret; |
2265 | } | |
2266 | ||
2267 | hsub = drm_format_horz_chroma_subsampling(r->pixel_format); | |
2268 | vsub = drm_format_vert_chroma_subsampling(r->pixel_format); | |
2269 | num_planes = drm_format_num_planes(r->pixel_format); | |
2270 | ||
2271 | if (r->width == 0 || r->width % hsub) { | |
1aa1b11c | 2272 | DRM_DEBUG_KMS("bad framebuffer width %u\n", r->height); |
d1b45d5f VS |
2273 | return -EINVAL; |
2274 | } | |
2275 | ||
2276 | if (r->height == 0 || r->height % vsub) { | |
1aa1b11c | 2277 | DRM_DEBUG_KMS("bad framebuffer height %u\n", r->height); |
d1b45d5f VS |
2278 | return -EINVAL; |
2279 | } | |
2280 | ||
2281 | for (i = 0; i < num_planes; i++) { | |
2282 | unsigned int width = r->width / (i != 0 ? hsub : 1); | |
b180b5d1 VS |
2283 | unsigned int height = r->height / (i != 0 ? vsub : 1); |
2284 | unsigned int cpp = drm_format_plane_cpp(r->pixel_format, i); | |
d1b45d5f VS |
2285 | |
2286 | if (!r->handles[i]) { | |
1aa1b11c | 2287 | DRM_DEBUG_KMS("no buffer object handle for plane %d\n", i); |
d1b45d5f VS |
2288 | return -EINVAL; |
2289 | } | |
2290 | ||
b180b5d1 VS |
2291 | if ((uint64_t) width * cpp > UINT_MAX) |
2292 | return -ERANGE; | |
2293 | ||
2294 | if ((uint64_t) height * r->pitches[i] + r->offsets[i] > UINT_MAX) | |
2295 | return -ERANGE; | |
2296 | ||
2297 | if (r->pitches[i] < width * cpp) { | |
1aa1b11c | 2298 | DRM_DEBUG_KMS("bad pitch %u for plane %d\n", r->pitches[i], i); |
d1b45d5f VS |
2299 | return -EINVAL; |
2300 | } | |
2301 | } | |
2302 | ||
2303 | return 0; | |
2304 | } | |
2305 | ||
308e5bcb JB |
2306 | /** |
2307 | * drm_mode_addfb2 - add an FB to the graphics configuration | |
2308 | * @inode: inode from the ioctl | |
2309 | * @filp: file * from the ioctl | |
2310 | * @cmd: cmd from ioctl | |
2311 | * @arg: arg from ioctl | |
2312 | * | |
2313 | * LOCKING: | |
2314 | * Takes mode config lock. | |
2315 | * | |
2316 | * Add a new FB to the specified CRTC, given a user request with format. | |
2317 | * | |
2318 | * Called by the user via ioctl. | |
2319 | * | |
2320 | * RETURNS: | |
2321 | * Zero on success, errno on failure. | |
2322 | */ | |
2323 | int drm_mode_addfb2(struct drm_device *dev, | |
2324 | void *data, struct drm_file *file_priv) | |
2325 | { | |
2326 | struct drm_mode_fb_cmd2 *r = data; | |
f453ba04 DA |
2327 | struct drm_mode_config *config = &dev->mode_config; |
2328 | struct drm_framebuffer *fb; | |
4a1b0714 | 2329 | int ret; |
f453ba04 | 2330 | |
fb3b06c8 DA |
2331 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2332 | return -EINVAL; | |
2333 | ||
f453ba04 | 2334 | if ((config->min_width > r->width) || (r->width > config->max_width)) { |
1aa1b11c | 2335 | DRM_DEBUG_KMS("bad framebuffer width %d, should be >= %d && <= %d\n", |
8cf5c917 | 2336 | r->width, config->min_width, config->max_width); |
f453ba04 DA |
2337 | return -EINVAL; |
2338 | } | |
2339 | if ((config->min_height > r->height) || (r->height > config->max_height)) { | |
1aa1b11c | 2340 | DRM_DEBUG_KMS("bad framebuffer height %d, should be >= %d && <= %d\n", |
8cf5c917 | 2341 | r->height, config->min_height, config->max_height); |
f453ba04 DA |
2342 | return -EINVAL; |
2343 | } | |
2344 | ||
d1b45d5f VS |
2345 | ret = framebuffer_check(r); |
2346 | if (ret) | |
935b5977 | 2347 | return ret; |
935b5977 | 2348 | |
f453ba04 DA |
2349 | mutex_lock(&dev->mode_config.mutex); |
2350 | ||
f453ba04 | 2351 | fb = dev->mode_config.funcs->fb_create(dev, file_priv, r); |
cce13ff7 | 2352 | if (IS_ERR(fb)) { |
1aa1b11c | 2353 | DRM_DEBUG_KMS("could not create framebuffer\n"); |
cce13ff7 | 2354 | ret = PTR_ERR(fb); |
f453ba04 DA |
2355 | goto out; |
2356 | } | |
2357 | ||
e0c8463a | 2358 | r->fb_id = fb->base.id; |
f453ba04 | 2359 | list_add(&fb->filp_head, &file_priv->fbs); |
9440106b | 2360 | DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id); |
f453ba04 DA |
2361 | |
2362 | out: | |
2363 | mutex_unlock(&dev->mode_config.mutex); | |
2364 | return ret; | |
2365 | } | |
2366 | ||
2367 | /** | |
2368 | * drm_mode_rmfb - remove an FB from the configuration | |
2369 | * @inode: inode from the ioctl | |
2370 | * @filp: file * from the ioctl | |
2371 | * @cmd: cmd from ioctl | |
2372 | * @arg: arg from ioctl | |
2373 | * | |
2374 | * LOCKING: | |
2375 | * Takes mode config lock. | |
2376 | * | |
2377 | * Remove the FB specified by the user. | |
2378 | * | |
2379 | * Called by the user via ioctl. | |
2380 | * | |
2381 | * RETURNS: | |
2382 | * Zero on success, errno on failure. | |
2383 | */ | |
2384 | int drm_mode_rmfb(struct drm_device *dev, | |
2385 | void *data, struct drm_file *file_priv) | |
2386 | { | |
2387 | struct drm_mode_object *obj; | |
2388 | struct drm_framebuffer *fb = NULL; | |
2389 | struct drm_framebuffer *fbl = NULL; | |
2390 | uint32_t *id = data; | |
2391 | int ret = 0; | |
2392 | int found = 0; | |
2393 | ||
fb3b06c8 DA |
2394 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2395 | return -EINVAL; | |
2396 | ||
f453ba04 DA |
2397 | mutex_lock(&dev->mode_config.mutex); |
2398 | obj = drm_mode_object_find(dev, *id, DRM_MODE_OBJECT_FB); | |
25985edc | 2399 | /* TODO check that we really get a framebuffer back. */ |
f453ba04 | 2400 | if (!obj) { |
f453ba04 DA |
2401 | ret = -EINVAL; |
2402 | goto out; | |
2403 | } | |
2404 | fb = obj_to_fb(obj); | |
2405 | ||
2406 | list_for_each_entry(fbl, &file_priv->fbs, filp_head) | |
2407 | if (fb == fbl) | |
2408 | found = 1; | |
2409 | ||
2410 | if (!found) { | |
f453ba04 DA |
2411 | ret = -EINVAL; |
2412 | goto out; | |
2413 | } | |
2414 | ||
f7eff60e | 2415 | drm_framebuffer_remove(fb); |
f453ba04 DA |
2416 | |
2417 | out: | |
2418 | mutex_unlock(&dev->mode_config.mutex); | |
2419 | return ret; | |
2420 | } | |
2421 | ||
2422 | /** | |
2423 | * drm_mode_getfb - get FB info | |
2424 | * @inode: inode from the ioctl | |
2425 | * @filp: file * from the ioctl | |
2426 | * @cmd: cmd from ioctl | |
2427 | * @arg: arg from ioctl | |
2428 | * | |
2429 | * LOCKING: | |
b20f3867 | 2430 | * Takes mode config lock. |
f453ba04 DA |
2431 | * |
2432 | * Lookup the FB given its ID and return info about it. | |
2433 | * | |
2434 | * Called by the user via ioctl. | |
2435 | * | |
2436 | * RETURNS: | |
2437 | * Zero on success, errno on failure. | |
2438 | */ | |
2439 | int drm_mode_getfb(struct drm_device *dev, | |
2440 | void *data, struct drm_file *file_priv) | |
2441 | { | |
2442 | struct drm_mode_fb_cmd *r = data; | |
2443 | struct drm_mode_object *obj; | |
2444 | struct drm_framebuffer *fb; | |
2445 | int ret = 0; | |
2446 | ||
fb3b06c8 DA |
2447 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2448 | return -EINVAL; | |
2449 | ||
f453ba04 | 2450 | mutex_lock(&dev->mode_config.mutex); |
e0c8463a | 2451 | obj = drm_mode_object_find(dev, r->fb_id, DRM_MODE_OBJECT_FB); |
f453ba04 | 2452 | if (!obj) { |
f453ba04 DA |
2453 | ret = -EINVAL; |
2454 | goto out; | |
2455 | } | |
2456 | fb = obj_to_fb(obj); | |
2457 | ||
2458 | r->height = fb->height; | |
2459 | r->width = fb->width; | |
2460 | r->depth = fb->depth; | |
2461 | r->bpp = fb->bits_per_pixel; | |
01f2c773 | 2462 | r->pitch = fb->pitches[0]; |
f453ba04 DA |
2463 | fb->funcs->create_handle(fb, file_priv, &r->handle); |
2464 | ||
2465 | out: | |
2466 | mutex_unlock(&dev->mode_config.mutex); | |
2467 | return ret; | |
2468 | } | |
2469 | ||
884840aa JB |
2470 | int drm_mode_dirtyfb_ioctl(struct drm_device *dev, |
2471 | void *data, struct drm_file *file_priv) | |
2472 | { | |
2473 | struct drm_clip_rect __user *clips_ptr; | |
2474 | struct drm_clip_rect *clips = NULL; | |
2475 | struct drm_mode_fb_dirty_cmd *r = data; | |
2476 | struct drm_mode_object *obj; | |
2477 | struct drm_framebuffer *fb; | |
2478 | unsigned flags; | |
2479 | int num_clips; | |
4a1b0714 | 2480 | int ret; |
884840aa | 2481 | |
fb3b06c8 DA |
2482 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2483 | return -EINVAL; | |
2484 | ||
884840aa JB |
2485 | mutex_lock(&dev->mode_config.mutex); |
2486 | obj = drm_mode_object_find(dev, r->fb_id, DRM_MODE_OBJECT_FB); | |
2487 | if (!obj) { | |
884840aa JB |
2488 | ret = -EINVAL; |
2489 | goto out_err1; | |
2490 | } | |
2491 | fb = obj_to_fb(obj); | |
2492 | ||
2493 | num_clips = r->num_clips; | |
81f6c7f8 | 2494 | clips_ptr = (struct drm_clip_rect __user *)(unsigned long)r->clips_ptr; |
884840aa JB |
2495 | |
2496 | if (!num_clips != !clips_ptr) { | |
2497 | ret = -EINVAL; | |
2498 | goto out_err1; | |
2499 | } | |
2500 | ||
2501 | flags = DRM_MODE_FB_DIRTY_FLAGS & r->flags; | |
2502 | ||
2503 | /* If userspace annotates copy, clips must come in pairs */ | |
2504 | if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY && (num_clips % 2)) { | |
2505 | ret = -EINVAL; | |
2506 | goto out_err1; | |
2507 | } | |
2508 | ||
2509 | if (num_clips && clips_ptr) { | |
a5cd3351 XW |
2510 | if (num_clips < 0 || num_clips > DRM_MODE_FB_DIRTY_MAX_CLIPS) { |
2511 | ret = -EINVAL; | |
2512 | goto out_err1; | |
2513 | } | |
884840aa JB |
2514 | clips = kzalloc(num_clips * sizeof(*clips), GFP_KERNEL); |
2515 | if (!clips) { | |
2516 | ret = -ENOMEM; | |
2517 | goto out_err1; | |
2518 | } | |
2519 | ||
2520 | ret = copy_from_user(clips, clips_ptr, | |
2521 | num_clips * sizeof(*clips)); | |
e902a358 DC |
2522 | if (ret) { |
2523 | ret = -EFAULT; | |
884840aa | 2524 | goto out_err2; |
e902a358 | 2525 | } |
884840aa JB |
2526 | } |
2527 | ||
2528 | if (fb->funcs->dirty) { | |
02b00162 TH |
2529 | ret = fb->funcs->dirty(fb, file_priv, flags, r->color, |
2530 | clips, num_clips); | |
884840aa JB |
2531 | } else { |
2532 | ret = -ENOSYS; | |
2533 | goto out_err2; | |
2534 | } | |
2535 | ||
2536 | out_err2: | |
2537 | kfree(clips); | |
2538 | out_err1: | |
2539 | mutex_unlock(&dev->mode_config.mutex); | |
2540 | return ret; | |
2541 | } | |
2542 | ||
2543 | ||
f453ba04 DA |
2544 | /** |
2545 | * drm_fb_release - remove and free the FBs on this file | |
2546 | * @filp: file * from the ioctl | |
2547 | * | |
2548 | * LOCKING: | |
2549 | * Takes mode config lock. | |
2550 | * | |
2551 | * Destroy all the FBs associated with @filp. | |
2552 | * | |
2553 | * Called by the user via ioctl. | |
2554 | * | |
2555 | * RETURNS: | |
2556 | * Zero on success, errno on failure. | |
2557 | */ | |
ea39f835 | 2558 | void drm_fb_release(struct drm_file *priv) |
f453ba04 | 2559 | { |
f453ba04 DA |
2560 | struct drm_device *dev = priv->minor->dev; |
2561 | struct drm_framebuffer *fb, *tfb; | |
2562 | ||
2563 | mutex_lock(&dev->mode_config.mutex); | |
2564 | list_for_each_entry_safe(fb, tfb, &priv->fbs, filp_head) { | |
f7eff60e | 2565 | drm_framebuffer_remove(fb); |
f453ba04 DA |
2566 | } |
2567 | mutex_unlock(&dev->mode_config.mutex); | |
2568 | } | |
2569 | ||
2570 | /** | |
2571 | * drm_mode_attachmode - add a mode to the user mode list | |
2572 | * @dev: DRM device | |
2573 | * @connector: connector to add the mode to | |
2574 | * @mode: mode to add | |
2575 | * | |
2576 | * Add @mode to @connector's user mode list. | |
2577 | */ | |
1dd6c8bd VS |
2578 | static void drm_mode_attachmode(struct drm_device *dev, |
2579 | struct drm_connector *connector, | |
2580 | struct drm_display_mode *mode) | |
f453ba04 | 2581 | { |
f453ba04 | 2582 | list_add_tail(&mode->head, &connector->user_modes); |
f453ba04 DA |
2583 | } |
2584 | ||
2585 | int drm_mode_attachmode_crtc(struct drm_device *dev, struct drm_crtc *crtc, | |
ac235daf | 2586 | const struct drm_display_mode *mode) |
f453ba04 DA |
2587 | { |
2588 | struct drm_connector *connector; | |
ac235daf VS |
2589 | int ret = 0; |
2590 | struct drm_display_mode *dup_mode, *next; | |
2591 | LIST_HEAD(list); | |
2592 | ||
f453ba04 DA |
2593 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { |
2594 | if (!connector->encoder) | |
ac235daf | 2595 | continue; |
f453ba04 | 2596 | if (connector->encoder->crtc == crtc) { |
ac235daf VS |
2597 | dup_mode = drm_mode_duplicate(dev, mode); |
2598 | if (!dup_mode) { | |
2599 | ret = -ENOMEM; | |
2600 | goto out; | |
2601 | } | |
2602 | list_add_tail(&dup_mode->head, &list); | |
f453ba04 DA |
2603 | } |
2604 | } | |
ac235daf VS |
2605 | |
2606 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { | |
2607 | if (!connector->encoder) | |
2608 | continue; | |
2609 | if (connector->encoder->crtc == crtc) | |
2610 | list_move_tail(list.next, &connector->user_modes); | |
2611 | } | |
2612 | ||
2613 | WARN_ON(!list_empty(&list)); | |
2614 | ||
2615 | out: | |
2616 | list_for_each_entry_safe(dup_mode, next, &list, head) | |
2617 | drm_mode_destroy(dev, dup_mode); | |
2618 | ||
2619 | return ret; | |
f453ba04 DA |
2620 | } |
2621 | EXPORT_SYMBOL(drm_mode_attachmode_crtc); | |
2622 | ||
2623 | static int drm_mode_detachmode(struct drm_device *dev, | |
2624 | struct drm_connector *connector, | |
2625 | struct drm_display_mode *mode) | |
2626 | { | |
2627 | int found = 0; | |
2628 | int ret = 0; | |
2629 | struct drm_display_mode *match_mode, *t; | |
2630 | ||
2631 | list_for_each_entry_safe(match_mode, t, &connector->user_modes, head) { | |
2632 | if (drm_mode_equal(match_mode, mode)) { | |
2633 | list_del(&match_mode->head); | |
2634 | drm_mode_destroy(dev, match_mode); | |
2635 | found = 1; | |
2636 | break; | |
2637 | } | |
2638 | } | |
2639 | ||
2640 | if (!found) | |
2641 | ret = -EINVAL; | |
2642 | ||
2643 | return ret; | |
2644 | } | |
2645 | ||
2646 | int drm_mode_detachmode_crtc(struct drm_device *dev, struct drm_display_mode *mode) | |
2647 | { | |
2648 | struct drm_connector *connector; | |
2649 | ||
2650 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { | |
2651 | drm_mode_detachmode(dev, connector, mode); | |
2652 | } | |
2653 | return 0; | |
2654 | } | |
2655 | EXPORT_SYMBOL(drm_mode_detachmode_crtc); | |
2656 | ||
2657 | /** | |
2658 | * drm_fb_attachmode - Attach a user mode to an connector | |
2659 | * @inode: inode from the ioctl | |
2660 | * @filp: file * from the ioctl | |
2661 | * @cmd: cmd from ioctl | |
2662 | * @arg: arg from ioctl | |
2663 | * | |
2664 | * This attaches a user specified mode to an connector. | |
2665 | * Called by the user via ioctl. | |
2666 | * | |
2667 | * RETURNS: | |
2668 | * Zero on success, errno on failure. | |
2669 | */ | |
2670 | int drm_mode_attachmode_ioctl(struct drm_device *dev, | |
2671 | void *data, struct drm_file *file_priv) | |
2672 | { | |
2673 | struct drm_mode_mode_cmd *mode_cmd = data; | |
2674 | struct drm_connector *connector; | |
2675 | struct drm_display_mode *mode; | |
2676 | struct drm_mode_object *obj; | |
2677 | struct drm_mode_modeinfo *umode = &mode_cmd->mode; | |
4a1b0714 | 2678 | int ret; |
f453ba04 | 2679 | |
fb3b06c8 DA |
2680 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2681 | return -EINVAL; | |
2682 | ||
f453ba04 DA |
2683 | mutex_lock(&dev->mode_config.mutex); |
2684 | ||
2685 | obj = drm_mode_object_find(dev, mode_cmd->connector_id, DRM_MODE_OBJECT_CONNECTOR); | |
2686 | if (!obj) { | |
2687 | ret = -EINVAL; | |
2688 | goto out; | |
2689 | } | |
2690 | connector = obj_to_connector(obj); | |
2691 | ||
2692 | mode = drm_mode_create(dev); | |
2693 | if (!mode) { | |
2694 | ret = -ENOMEM; | |
2695 | goto out; | |
2696 | } | |
2697 | ||
90367bf6 VS |
2698 | ret = drm_crtc_convert_umode(mode, umode); |
2699 | if (ret) { | |
2700 | DRM_DEBUG_KMS("Invalid mode\n"); | |
2701 | drm_mode_destroy(dev, mode); | |
2702 | goto out; | |
2703 | } | |
f453ba04 | 2704 | |
1dd6c8bd | 2705 | drm_mode_attachmode(dev, connector, mode); |
f453ba04 DA |
2706 | out: |
2707 | mutex_unlock(&dev->mode_config.mutex); | |
2708 | return ret; | |
2709 | } | |
2710 | ||
2711 | ||
2712 | /** | |
2713 | * drm_fb_detachmode - Detach a user specified mode from an connector | |
2714 | * @inode: inode from the ioctl | |
2715 | * @filp: file * from the ioctl | |
2716 | * @cmd: cmd from ioctl | |
2717 | * @arg: arg from ioctl | |
2718 | * | |
2719 | * Called by the user via ioctl. | |
2720 | * | |
2721 | * RETURNS: | |
2722 | * Zero on success, errno on failure. | |
2723 | */ | |
2724 | int drm_mode_detachmode_ioctl(struct drm_device *dev, | |
2725 | void *data, struct drm_file *file_priv) | |
2726 | { | |
2727 | struct drm_mode_object *obj; | |
2728 | struct drm_mode_mode_cmd *mode_cmd = data; | |
2729 | struct drm_connector *connector; | |
2730 | struct drm_display_mode mode; | |
2731 | struct drm_mode_modeinfo *umode = &mode_cmd->mode; | |
4a1b0714 | 2732 | int ret; |
f453ba04 | 2733 | |
fb3b06c8 DA |
2734 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2735 | return -EINVAL; | |
2736 | ||
f453ba04 DA |
2737 | mutex_lock(&dev->mode_config.mutex); |
2738 | ||
2739 | obj = drm_mode_object_find(dev, mode_cmd->connector_id, DRM_MODE_OBJECT_CONNECTOR); | |
2740 | if (!obj) { | |
2741 | ret = -EINVAL; | |
2742 | goto out; | |
2743 | } | |
2744 | connector = obj_to_connector(obj); | |
2745 | ||
90367bf6 VS |
2746 | ret = drm_crtc_convert_umode(&mode, umode); |
2747 | if (ret) { | |
2748 | DRM_DEBUG_KMS("Invalid mode\n"); | |
2749 | goto out; | |
2750 | } | |
2751 | ||
f453ba04 DA |
2752 | ret = drm_mode_detachmode(dev, connector, &mode); |
2753 | out: | |
2754 | mutex_unlock(&dev->mode_config.mutex); | |
2755 | return ret; | |
2756 | } | |
2757 | ||
2758 | struct drm_property *drm_property_create(struct drm_device *dev, int flags, | |
2759 | const char *name, int num_values) | |
2760 | { | |
2761 | struct drm_property *property = NULL; | |
6bfc56aa | 2762 | int ret; |
f453ba04 DA |
2763 | |
2764 | property = kzalloc(sizeof(struct drm_property), GFP_KERNEL); | |
2765 | if (!property) | |
2766 | return NULL; | |
2767 | ||
2768 | if (num_values) { | |
2769 | property->values = kzalloc(sizeof(uint64_t)*num_values, GFP_KERNEL); | |
2770 | if (!property->values) | |
2771 | goto fail; | |
2772 | } | |
2773 | ||
6bfc56aa VS |
2774 | ret = drm_mode_object_get(dev, &property->base, DRM_MODE_OBJECT_PROPERTY); |
2775 | if (ret) | |
2776 | goto fail; | |
2777 | ||
f453ba04 DA |
2778 | property->flags = flags; |
2779 | property->num_values = num_values; | |
2780 | INIT_LIST_HEAD(&property->enum_blob_list); | |
2781 | ||
471dd2ef | 2782 | if (name) { |
f453ba04 | 2783 | strncpy(property->name, name, DRM_PROP_NAME_LEN); |
471dd2ef VL |
2784 | property->name[DRM_PROP_NAME_LEN-1] = '\0'; |
2785 | } | |
f453ba04 DA |
2786 | |
2787 | list_add_tail(&property->head, &dev->mode_config.property_list); | |
2788 | return property; | |
2789 | fail: | |
6bfc56aa | 2790 | kfree(property->values); |
f453ba04 DA |
2791 | kfree(property); |
2792 | return NULL; | |
2793 | } | |
2794 | EXPORT_SYMBOL(drm_property_create); | |
2795 | ||
4a67d391 SH |
2796 | struct drm_property *drm_property_create_enum(struct drm_device *dev, int flags, |
2797 | const char *name, | |
2798 | const struct drm_prop_enum_list *props, | |
2799 | int num_values) | |
2800 | { | |
2801 | struct drm_property *property; | |
2802 | int i, ret; | |
2803 | ||
2804 | flags |= DRM_MODE_PROP_ENUM; | |
2805 | ||
2806 | property = drm_property_create(dev, flags, name, num_values); | |
2807 | if (!property) | |
2808 | return NULL; | |
2809 | ||
2810 | for (i = 0; i < num_values; i++) { | |
2811 | ret = drm_property_add_enum(property, i, | |
2812 | props[i].type, | |
2813 | props[i].name); | |
2814 | if (ret) { | |
2815 | drm_property_destroy(dev, property); | |
2816 | return NULL; | |
2817 | } | |
2818 | } | |
2819 | ||
2820 | return property; | |
2821 | } | |
2822 | EXPORT_SYMBOL(drm_property_create_enum); | |
2823 | ||
49e27545 RC |
2824 | struct drm_property *drm_property_create_bitmask(struct drm_device *dev, |
2825 | int flags, const char *name, | |
2826 | const struct drm_prop_enum_list *props, | |
2827 | int num_values) | |
2828 | { | |
2829 | struct drm_property *property; | |
2830 | int i, ret; | |
2831 | ||
2832 | flags |= DRM_MODE_PROP_BITMASK; | |
2833 | ||
2834 | property = drm_property_create(dev, flags, name, num_values); | |
2835 | if (!property) | |
2836 | return NULL; | |
2837 | ||
2838 | for (i = 0; i < num_values; i++) { | |
2839 | ret = drm_property_add_enum(property, i, | |
2840 | props[i].type, | |
2841 | props[i].name); | |
2842 | if (ret) { | |
2843 | drm_property_destroy(dev, property); | |
2844 | return NULL; | |
2845 | } | |
2846 | } | |
2847 | ||
2848 | return property; | |
2849 | } | |
2850 | EXPORT_SYMBOL(drm_property_create_bitmask); | |
2851 | ||
d9bc3c02 SH |
2852 | struct drm_property *drm_property_create_range(struct drm_device *dev, int flags, |
2853 | const char *name, | |
2854 | uint64_t min, uint64_t max) | |
2855 | { | |
2856 | struct drm_property *property; | |
2857 | ||
2858 | flags |= DRM_MODE_PROP_RANGE; | |
2859 | ||
2860 | property = drm_property_create(dev, flags, name, 2); | |
2861 | if (!property) | |
2862 | return NULL; | |
2863 | ||
2864 | property->values[0] = min; | |
2865 | property->values[1] = max; | |
2866 | ||
2867 | return property; | |
2868 | } | |
2869 | EXPORT_SYMBOL(drm_property_create_range); | |
2870 | ||
f453ba04 DA |
2871 | int drm_property_add_enum(struct drm_property *property, int index, |
2872 | uint64_t value, const char *name) | |
2873 | { | |
2874 | struct drm_property_enum *prop_enum; | |
2875 | ||
49e27545 RC |
2876 | if (!(property->flags & (DRM_MODE_PROP_ENUM | DRM_MODE_PROP_BITMASK))) |
2877 | return -EINVAL; | |
2878 | ||
2879 | /* | |
2880 | * Bitmask enum properties have the additional constraint of values | |
2881 | * from 0 to 63 | |
2882 | */ | |
2883 | if ((property->flags & DRM_MODE_PROP_BITMASK) && (value > 63)) | |
f453ba04 DA |
2884 | return -EINVAL; |
2885 | ||
2886 | if (!list_empty(&property->enum_blob_list)) { | |
2887 | list_for_each_entry(prop_enum, &property->enum_blob_list, head) { | |
2888 | if (prop_enum->value == value) { | |
2889 | strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); | |
2890 | prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; | |
2891 | return 0; | |
2892 | } | |
2893 | } | |
2894 | } | |
2895 | ||
2896 | prop_enum = kzalloc(sizeof(struct drm_property_enum), GFP_KERNEL); | |
2897 | if (!prop_enum) | |
2898 | return -ENOMEM; | |
2899 | ||
2900 | strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); | |
2901 | prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; | |
2902 | prop_enum->value = value; | |
2903 | ||
2904 | property->values[index] = value; | |
2905 | list_add_tail(&prop_enum->head, &property->enum_blob_list); | |
2906 | return 0; | |
2907 | } | |
2908 | EXPORT_SYMBOL(drm_property_add_enum); | |
2909 | ||
2910 | void drm_property_destroy(struct drm_device *dev, struct drm_property *property) | |
2911 | { | |
2912 | struct drm_property_enum *prop_enum, *pt; | |
2913 | ||
2914 | list_for_each_entry_safe(prop_enum, pt, &property->enum_blob_list, head) { | |
2915 | list_del(&prop_enum->head); | |
2916 | kfree(prop_enum); | |
2917 | } | |
2918 | ||
2919 | if (property->num_values) | |
2920 | kfree(property->values); | |
2921 | drm_mode_object_put(dev, &property->base); | |
2922 | list_del(&property->head); | |
2923 | kfree(property); | |
2924 | } | |
2925 | EXPORT_SYMBOL(drm_property_destroy); | |
2926 | ||
afea2ad5 | 2927 | void drm_connector_attach_property(struct drm_connector *connector, |
f453ba04 DA |
2928 | struct drm_property *property, uint64_t init_val) |
2929 | { | |
0057d8dd | 2930 | drm_object_attach_property(&connector->base, property, init_val); |
f453ba04 DA |
2931 | } |
2932 | EXPORT_SYMBOL(drm_connector_attach_property); | |
2933 | ||
2934 | int drm_connector_property_set_value(struct drm_connector *connector, | |
2935 | struct drm_property *property, uint64_t value) | |
2936 | { | |
0057d8dd | 2937 | return drm_object_property_set_value(&connector->base, property, value); |
f453ba04 DA |
2938 | } |
2939 | EXPORT_SYMBOL(drm_connector_property_set_value); | |
2940 | ||
2941 | int drm_connector_property_get_value(struct drm_connector *connector, | |
2942 | struct drm_property *property, uint64_t *val) | |
2943 | { | |
0057d8dd | 2944 | return drm_object_property_get_value(&connector->base, property, val); |
f453ba04 DA |
2945 | } |
2946 | EXPORT_SYMBOL(drm_connector_property_get_value); | |
2947 | ||
c543188a PZ |
2948 | void drm_object_attach_property(struct drm_mode_object *obj, |
2949 | struct drm_property *property, | |
2950 | uint64_t init_val) | |
2951 | { | |
7f88a9be | 2952 | int count = obj->properties->count; |
c543188a | 2953 | |
7f88a9be PZ |
2954 | if (count == DRM_OBJECT_MAX_PROPERTY) { |
2955 | WARN(1, "Failed to attach object property (type: 0x%x). Please " | |
2956 | "increase DRM_OBJECT_MAX_PROPERTY by 1 for each time " | |
2957 | "you see this message on the same object type.\n", | |
2958 | obj->type); | |
2959 | return; | |
c543188a PZ |
2960 | } |
2961 | ||
7f88a9be PZ |
2962 | obj->properties->ids[count] = property->base.id; |
2963 | obj->properties->values[count] = init_val; | |
2964 | obj->properties->count++; | |
c543188a PZ |
2965 | } |
2966 | EXPORT_SYMBOL(drm_object_attach_property); | |
2967 | ||
2968 | int drm_object_property_set_value(struct drm_mode_object *obj, | |
2969 | struct drm_property *property, uint64_t val) | |
2970 | { | |
2971 | int i; | |
2972 | ||
7f88a9be | 2973 | for (i = 0; i < obj->properties->count; i++) { |
c543188a PZ |
2974 | if (obj->properties->ids[i] == property->base.id) { |
2975 | obj->properties->values[i] = val; | |
2976 | return 0; | |
2977 | } | |
2978 | } | |
2979 | ||
2980 | return -EINVAL; | |
2981 | } | |
2982 | EXPORT_SYMBOL(drm_object_property_set_value); | |
2983 | ||
2984 | int drm_object_property_get_value(struct drm_mode_object *obj, | |
2985 | struct drm_property *property, uint64_t *val) | |
2986 | { | |
2987 | int i; | |
2988 | ||
7f88a9be | 2989 | for (i = 0; i < obj->properties->count; i++) { |
c543188a PZ |
2990 | if (obj->properties->ids[i] == property->base.id) { |
2991 | *val = obj->properties->values[i]; | |
2992 | return 0; | |
2993 | } | |
2994 | } | |
2995 | ||
2996 | return -EINVAL; | |
2997 | } | |
2998 | EXPORT_SYMBOL(drm_object_property_get_value); | |
2999 | ||
f453ba04 DA |
3000 | int drm_mode_getproperty_ioctl(struct drm_device *dev, |
3001 | void *data, struct drm_file *file_priv) | |
3002 | { | |
3003 | struct drm_mode_object *obj; | |
3004 | struct drm_mode_get_property *out_resp = data; | |
3005 | struct drm_property *property; | |
3006 | int enum_count = 0; | |
3007 | int blob_count = 0; | |
3008 | int value_count = 0; | |
3009 | int ret = 0, i; | |
3010 | int copied; | |
3011 | struct drm_property_enum *prop_enum; | |
3012 | struct drm_mode_property_enum __user *enum_ptr; | |
3013 | struct drm_property_blob *prop_blob; | |
81f6c7f8 | 3014 | uint32_t __user *blob_id_ptr; |
f453ba04 DA |
3015 | uint64_t __user *values_ptr; |
3016 | uint32_t __user *blob_length_ptr; | |
3017 | ||
fb3b06c8 DA |
3018 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
3019 | return -EINVAL; | |
3020 | ||
f453ba04 DA |
3021 | mutex_lock(&dev->mode_config.mutex); |
3022 | obj = drm_mode_object_find(dev, out_resp->prop_id, DRM_MODE_OBJECT_PROPERTY); | |
3023 | if (!obj) { | |
3024 | ret = -EINVAL; | |
3025 | goto done; | |
3026 | } | |
3027 | property = obj_to_property(obj); | |
3028 | ||
49e27545 | 3029 | if (property->flags & (DRM_MODE_PROP_ENUM | DRM_MODE_PROP_BITMASK)) { |
f453ba04 DA |
3030 | list_for_each_entry(prop_enum, &property->enum_blob_list, head) |
3031 | enum_count++; | |
3032 | } else if (property->flags & DRM_MODE_PROP_BLOB) { | |
3033 | list_for_each_entry(prop_blob, &property->enum_blob_list, head) | |
3034 | blob_count++; | |
3035 | } | |
3036 | ||
3037 | value_count = property->num_values; | |
3038 | ||
3039 | strncpy(out_resp->name, property->name, DRM_PROP_NAME_LEN); | |
3040 | out_resp->name[DRM_PROP_NAME_LEN-1] = 0; | |
3041 | out_resp->flags = property->flags; | |
3042 | ||
3043 | if ((out_resp->count_values >= value_count) && value_count) { | |
81f6c7f8 | 3044 | values_ptr = (uint64_t __user *)(unsigned long)out_resp->values_ptr; |
f453ba04 DA |
3045 | for (i = 0; i < value_count; i++) { |
3046 | if (copy_to_user(values_ptr + i, &property->values[i], sizeof(uint64_t))) { | |
3047 | ret = -EFAULT; | |
3048 | goto done; | |
3049 | } | |
3050 | } | |
3051 | } | |
3052 | out_resp->count_values = value_count; | |
3053 | ||
49e27545 | 3054 | if (property->flags & (DRM_MODE_PROP_ENUM | DRM_MODE_PROP_BITMASK)) { |
f453ba04 DA |
3055 | if ((out_resp->count_enum_blobs >= enum_count) && enum_count) { |
3056 | copied = 0; | |
81f6c7f8 | 3057 | enum_ptr = (struct drm_mode_property_enum __user *)(unsigned long)out_resp->enum_blob_ptr; |
f453ba04 DA |
3058 | list_for_each_entry(prop_enum, &property->enum_blob_list, head) { |
3059 | ||
3060 | if (copy_to_user(&enum_ptr[copied].value, &prop_enum->value, sizeof(uint64_t))) { | |
3061 | ret = -EFAULT; | |
3062 | goto done; | |
3063 | } | |
3064 | ||
3065 | if (copy_to_user(&enum_ptr[copied].name, | |
3066 | &prop_enum->name, DRM_PROP_NAME_LEN)) { | |
3067 | ret = -EFAULT; | |
3068 | goto done; | |
3069 | } | |
3070 | copied++; | |
3071 | } | |
3072 | } | |
3073 | out_resp->count_enum_blobs = enum_count; | |
3074 | } | |
3075 | ||
3076 | if (property->flags & DRM_MODE_PROP_BLOB) { | |
3077 | if ((out_resp->count_enum_blobs >= blob_count) && blob_count) { | |
3078 | copied = 0; | |
81f6c7f8 VS |
3079 | blob_id_ptr = (uint32_t __user *)(unsigned long)out_resp->enum_blob_ptr; |
3080 | blob_length_ptr = (uint32_t __user *)(unsigned long)out_resp->values_ptr; | |
f453ba04 DA |
3081 | |
3082 | list_for_each_entry(prop_blob, &property->enum_blob_list, head) { | |
3083 | if (put_user(prop_blob->base.id, blob_id_ptr + copied)) { | |
3084 | ret = -EFAULT; | |
3085 | goto done; | |
3086 | } | |
3087 | ||
3088 | if (put_user(prop_blob->length, blob_length_ptr + copied)) { | |
3089 | ret = -EFAULT; | |
3090 | goto done; | |
3091 | } | |
3092 | ||
3093 | copied++; | |
3094 | } | |
3095 | } | |
3096 | out_resp->count_enum_blobs = blob_count; | |
3097 | } | |
3098 | done: | |
3099 | mutex_unlock(&dev->mode_config.mutex); | |
3100 | return ret; | |
3101 | } | |
3102 | ||
3103 | static struct drm_property_blob *drm_property_create_blob(struct drm_device *dev, int length, | |
3104 | void *data) | |
3105 | { | |
3106 | struct drm_property_blob *blob; | |
6bfc56aa | 3107 | int ret; |
f453ba04 DA |
3108 | |
3109 | if (!length || !data) | |
3110 | return NULL; | |
3111 | ||
3112 | blob = kzalloc(sizeof(struct drm_property_blob)+length, GFP_KERNEL); | |
3113 | if (!blob) | |
3114 | return NULL; | |
3115 | ||
6bfc56aa VS |
3116 | ret = drm_mode_object_get(dev, &blob->base, DRM_MODE_OBJECT_BLOB); |
3117 | if (ret) { | |
3118 | kfree(blob); | |
3119 | return NULL; | |
3120 | } | |
3121 | ||
f453ba04 DA |
3122 | blob->length = length; |
3123 | ||
3124 | memcpy(blob->data, data, length); | |
3125 | ||
f453ba04 DA |
3126 | list_add_tail(&blob->head, &dev->mode_config.property_blob_list); |
3127 | return blob; | |
3128 | } | |
3129 | ||
3130 | static void drm_property_destroy_blob(struct drm_device *dev, | |
3131 | struct drm_property_blob *blob) | |
3132 | { | |
3133 | drm_mode_object_put(dev, &blob->base); | |
3134 | list_del(&blob->head); | |
3135 | kfree(blob); | |
3136 | } | |
3137 | ||
3138 | int drm_mode_getblob_ioctl(struct drm_device *dev, | |
3139 | void *data, struct drm_file *file_priv) | |
3140 | { | |
3141 | struct drm_mode_object *obj; | |
3142 | struct drm_mode_get_blob *out_resp = data; | |
3143 | struct drm_property_blob *blob; | |
3144 | int ret = 0; | |
81f6c7f8 | 3145 | void __user *blob_ptr; |
f453ba04 | 3146 | |
fb3b06c8 DA |
3147 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
3148 | return -EINVAL; | |
3149 | ||
f453ba04 DA |
3150 | mutex_lock(&dev->mode_config.mutex); |
3151 | obj = drm_mode_object_find(dev, out_resp->blob_id, DRM_MODE_OBJECT_BLOB); | |
3152 | if (!obj) { | |
3153 | ret = -EINVAL; | |
3154 | goto done; | |
3155 | } | |
3156 | blob = obj_to_blob(obj); | |
3157 | ||
3158 | if (out_resp->length == blob->length) { | |
81f6c7f8 | 3159 | blob_ptr = (void __user *)(unsigned long)out_resp->data; |
f453ba04 DA |
3160 | if (copy_to_user(blob_ptr, blob->data, blob->length)){ |
3161 | ret = -EFAULT; | |
3162 | goto done; | |
3163 | } | |
3164 | } | |
3165 | out_resp->length = blob->length; | |
3166 | ||
3167 | done: | |
3168 | mutex_unlock(&dev->mode_config.mutex); | |
3169 | return ret; | |
3170 | } | |
3171 | ||
3172 | int drm_mode_connector_update_edid_property(struct drm_connector *connector, | |
3173 | struct edid *edid) | |
3174 | { | |
3175 | struct drm_device *dev = connector->dev; | |
4a1b0714 | 3176 | int ret, size; |
f453ba04 DA |
3177 | |
3178 | if (connector->edid_blob_ptr) | |
3179 | drm_property_destroy_blob(dev, connector->edid_blob_ptr); | |
3180 | ||
3181 | /* Delete edid, when there is none. */ | |
3182 | if (!edid) { | |
3183 | connector->edid_blob_ptr = NULL; | |
3184 | ret = drm_connector_property_set_value(connector, dev->mode_config.edid_property, 0); | |
3185 | return ret; | |
3186 | } | |
3187 | ||
7466f4cc AJ |
3188 | size = EDID_LENGTH * (1 + edid->extensions); |
3189 | connector->edid_blob_ptr = drm_property_create_blob(connector->dev, | |
3190 | size, edid); | |
f453ba04 DA |
3191 | |
3192 | ret = drm_connector_property_set_value(connector, | |
3193 | dev->mode_config.edid_property, | |
3194 | connector->edid_blob_ptr->base.id); | |
3195 | ||
3196 | return ret; | |
3197 | } | |
3198 | EXPORT_SYMBOL(drm_mode_connector_update_edid_property); | |
3199 | ||
26a34815 | 3200 | static bool drm_property_change_is_valid(struct drm_property *property, |
592c20ee | 3201 | uint64_t value) |
26a34815 PZ |
3202 | { |
3203 | if (property->flags & DRM_MODE_PROP_IMMUTABLE) | |
3204 | return false; | |
3205 | if (property->flags & DRM_MODE_PROP_RANGE) { | |
3206 | if (value < property->values[0] || value > property->values[1]) | |
3207 | return false; | |
3208 | return true; | |
49e27545 RC |
3209 | } else if (property->flags & DRM_MODE_PROP_BITMASK) { |
3210 | int i; | |
592c20ee | 3211 | uint64_t valid_mask = 0; |
49e27545 RC |
3212 | for (i = 0; i < property->num_values; i++) |
3213 | valid_mask |= (1ULL << property->values[i]); | |
3214 | return !(value & ~valid_mask); | |
c4a56750 VS |
3215 | } else if (property->flags & DRM_MODE_PROP_BLOB) { |
3216 | /* Only the driver knows */ | |
3217 | return true; | |
26a34815 PZ |
3218 | } else { |
3219 | int i; | |
3220 | for (i = 0; i < property->num_values; i++) | |
3221 | if (property->values[i] == value) | |
3222 | return true; | |
3223 | return false; | |
3224 | } | |
3225 | } | |
3226 | ||
f453ba04 DA |
3227 | int drm_mode_connector_property_set_ioctl(struct drm_device *dev, |
3228 | void *data, struct drm_file *file_priv) | |
3229 | { | |
0057d8dd PZ |
3230 | struct drm_mode_connector_set_property *conn_set_prop = data; |
3231 | struct drm_mode_obj_set_property obj_set_prop = { | |
3232 | .value = conn_set_prop->value, | |
3233 | .prop_id = conn_set_prop->prop_id, | |
3234 | .obj_id = conn_set_prop->connector_id, | |
3235 | .obj_type = DRM_MODE_OBJECT_CONNECTOR | |
3236 | }; | |
fb3b06c8 | 3237 | |
0057d8dd PZ |
3238 | /* It does all the locking and checking we need */ |
3239 | return drm_mode_obj_set_property_ioctl(dev, &obj_set_prop, file_priv); | |
f453ba04 DA |
3240 | } |
3241 | ||
c543188a PZ |
3242 | static int drm_mode_connector_set_obj_prop(struct drm_mode_object *obj, |
3243 | struct drm_property *property, | |
3244 | uint64_t value) | |
3245 | { | |
3246 | int ret = -EINVAL; | |
3247 | struct drm_connector *connector = obj_to_connector(obj); | |
3248 | ||
3249 | /* Do DPMS ourselves */ | |
3250 | if (property == connector->dev->mode_config.dpms_property) { | |
3251 | if (connector->funcs->dpms) | |
3252 | (*connector->funcs->dpms)(connector, (int)value); | |
3253 | ret = 0; | |
3254 | } else if (connector->funcs->set_property) | |
3255 | ret = connector->funcs->set_property(connector, property, value); | |
3256 | ||
3257 | /* store the property value if successful */ | |
3258 | if (!ret) | |
3259 | drm_connector_property_set_value(connector, property, value); | |
3260 | return ret; | |
3261 | } | |
3262 | ||
bffd9de0 PZ |
3263 | static int drm_mode_crtc_set_obj_prop(struct drm_mode_object *obj, |
3264 | struct drm_property *property, | |
3265 | uint64_t value) | |
3266 | { | |
3267 | int ret = -EINVAL; | |
3268 | struct drm_crtc *crtc = obj_to_crtc(obj); | |
3269 | ||
3270 | if (crtc->funcs->set_property) | |
3271 | ret = crtc->funcs->set_property(crtc, property, value); | |
3272 | if (!ret) | |
3273 | drm_object_property_set_value(obj, property, value); | |
3274 | ||
3275 | return ret; | |
3276 | } | |
3277 | ||
4d93914a RC |
3278 | static int drm_mode_plane_set_obj_prop(struct drm_mode_object *obj, |
3279 | struct drm_property *property, | |
3280 | uint64_t value) | |
3281 | { | |
3282 | int ret = -EINVAL; | |
3283 | struct drm_plane *plane = obj_to_plane(obj); | |
3284 | ||
3285 | if (plane->funcs->set_property) | |
3286 | ret = plane->funcs->set_property(plane, property, value); | |
3287 | if (!ret) | |
3288 | drm_object_property_set_value(obj, property, value); | |
3289 | ||
3290 | return ret; | |
3291 | } | |
3292 | ||
c543188a PZ |
3293 | int drm_mode_obj_get_properties_ioctl(struct drm_device *dev, void *data, |
3294 | struct drm_file *file_priv) | |
3295 | { | |
3296 | struct drm_mode_obj_get_properties *arg = data; | |
3297 | struct drm_mode_object *obj; | |
3298 | int ret = 0; | |
3299 | int i; | |
3300 | int copied = 0; | |
3301 | int props_count = 0; | |
3302 | uint32_t __user *props_ptr; | |
3303 | uint64_t __user *prop_values_ptr; | |
3304 | ||
3305 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) | |
3306 | return -EINVAL; | |
3307 | ||
3308 | mutex_lock(&dev->mode_config.mutex); | |
3309 | ||
3310 | obj = drm_mode_object_find(dev, arg->obj_id, arg->obj_type); | |
3311 | if (!obj) { | |
3312 | ret = -EINVAL; | |
3313 | goto out; | |
3314 | } | |
3315 | if (!obj->properties) { | |
3316 | ret = -EINVAL; | |
3317 | goto out; | |
3318 | } | |
3319 | ||
7f88a9be | 3320 | props_count = obj->properties->count; |
c543188a PZ |
3321 | |
3322 | /* This ioctl is called twice, once to determine how much space is | |
3323 | * needed, and the 2nd time to fill it. */ | |
3324 | if ((arg->count_props >= props_count) && props_count) { | |
3325 | copied = 0; | |
3326 | props_ptr = (uint32_t __user *)(unsigned long)(arg->props_ptr); | |
3327 | prop_values_ptr = (uint64_t __user *)(unsigned long) | |
3328 | (arg->prop_values_ptr); | |
3329 | for (i = 0; i < props_count; i++) { | |
3330 | if (put_user(obj->properties->ids[i], | |
3331 | props_ptr + copied)) { | |
3332 | ret = -EFAULT; | |
3333 | goto out; | |
3334 | } | |
3335 | if (put_user(obj->properties->values[i], | |
3336 | prop_values_ptr + copied)) { | |
3337 | ret = -EFAULT; | |
3338 | goto out; | |
3339 | } | |
3340 | copied++; | |
3341 | } | |
3342 | } | |
3343 | arg->count_props = props_count; | |
3344 | out: | |
3345 | mutex_unlock(&dev->mode_config.mutex); | |
3346 | return ret; | |
3347 | } | |
3348 | ||
3349 | int drm_mode_obj_set_property_ioctl(struct drm_device *dev, void *data, | |
3350 | struct drm_file *file_priv) | |
3351 | { | |
3352 | struct drm_mode_obj_set_property *arg = data; | |
3353 | struct drm_mode_object *arg_obj; | |
3354 | struct drm_mode_object *prop_obj; | |
3355 | struct drm_property *property; | |
3356 | int ret = -EINVAL; | |
3357 | int i; | |
3358 | ||
3359 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) | |
3360 | return -EINVAL; | |
3361 | ||
3362 | mutex_lock(&dev->mode_config.mutex); | |
3363 | ||
3364 | arg_obj = drm_mode_object_find(dev, arg->obj_id, arg->obj_type); | |
3365 | if (!arg_obj) | |
3366 | goto out; | |
3367 | if (!arg_obj->properties) | |
3368 | goto out; | |
3369 | ||
7f88a9be | 3370 | for (i = 0; i < arg_obj->properties->count; i++) |
c543188a PZ |
3371 | if (arg_obj->properties->ids[i] == arg->prop_id) |
3372 | break; | |
3373 | ||
7f88a9be | 3374 | if (i == arg_obj->properties->count) |
c543188a PZ |
3375 | goto out; |
3376 | ||
3377 | prop_obj = drm_mode_object_find(dev, arg->prop_id, | |
3378 | DRM_MODE_OBJECT_PROPERTY); | |
3379 | if (!prop_obj) | |
3380 | goto out; | |
3381 | property = obj_to_property(prop_obj); | |
3382 | ||
3383 | if (!drm_property_change_is_valid(property, arg->value)) | |
3384 | goto out; | |
3385 | ||
3386 | switch (arg_obj->type) { | |
3387 | case DRM_MODE_OBJECT_CONNECTOR: | |
3388 | ret = drm_mode_connector_set_obj_prop(arg_obj, property, | |
3389 | arg->value); | |
3390 | break; | |
bffd9de0 PZ |
3391 | case DRM_MODE_OBJECT_CRTC: |
3392 | ret = drm_mode_crtc_set_obj_prop(arg_obj, property, arg->value); | |
3393 | break; | |
4d93914a RC |
3394 | case DRM_MODE_OBJECT_PLANE: |
3395 | ret = drm_mode_plane_set_obj_prop(arg_obj, property, arg->value); | |
3396 | break; | |
c543188a PZ |
3397 | } |
3398 | ||
3399 | out: | |
3400 | mutex_unlock(&dev->mode_config.mutex); | |
3401 | return ret; | |
3402 | } | |
3403 | ||
f453ba04 DA |
3404 | int drm_mode_connector_attach_encoder(struct drm_connector *connector, |
3405 | struct drm_encoder *encoder) | |
3406 | { | |
3407 | int i; | |
3408 | ||
3409 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { | |
3410 | if (connector->encoder_ids[i] == 0) { | |
3411 | connector->encoder_ids[i] = encoder->base.id; | |
3412 | return 0; | |
3413 | } | |
3414 | } | |
3415 | return -ENOMEM; | |
3416 | } | |
3417 | EXPORT_SYMBOL(drm_mode_connector_attach_encoder); | |
3418 | ||
3419 | void drm_mode_connector_detach_encoder(struct drm_connector *connector, | |
3420 | struct drm_encoder *encoder) | |
3421 | { | |
3422 | int i; | |
3423 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { | |
3424 | if (connector->encoder_ids[i] == encoder->base.id) { | |
3425 | connector->encoder_ids[i] = 0; | |
3426 | if (connector->encoder == encoder) | |
3427 | connector->encoder = NULL; | |
3428 | break; | |
3429 | } | |
3430 | } | |
3431 | } | |
3432 | EXPORT_SYMBOL(drm_mode_connector_detach_encoder); | |
3433 | ||
4cae5b84 | 3434 | int drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc, |
f453ba04 DA |
3435 | int gamma_size) |
3436 | { | |
3437 | crtc->gamma_size = gamma_size; | |
3438 | ||
3439 | crtc->gamma_store = kzalloc(gamma_size * sizeof(uint16_t) * 3, GFP_KERNEL); | |
3440 | if (!crtc->gamma_store) { | |
3441 | crtc->gamma_size = 0; | |
4cae5b84 | 3442 | return -ENOMEM; |
f453ba04 DA |
3443 | } |
3444 | ||
4cae5b84 | 3445 | return 0; |
f453ba04 DA |
3446 | } |
3447 | EXPORT_SYMBOL(drm_mode_crtc_set_gamma_size); | |
3448 | ||
3449 | int drm_mode_gamma_set_ioctl(struct drm_device *dev, | |
3450 | void *data, struct drm_file *file_priv) | |
3451 | { | |
3452 | struct drm_mode_crtc_lut *crtc_lut = data; | |
3453 | struct drm_mode_object *obj; | |
3454 | struct drm_crtc *crtc; | |
3455 | void *r_base, *g_base, *b_base; | |
3456 | int size; | |
3457 | int ret = 0; | |
3458 | ||
fb3b06c8 DA |
3459 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
3460 | return -EINVAL; | |
3461 | ||
f453ba04 DA |
3462 | mutex_lock(&dev->mode_config.mutex); |
3463 | obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC); | |
3464 | if (!obj) { | |
3465 | ret = -EINVAL; | |
3466 | goto out; | |
3467 | } | |
3468 | crtc = obj_to_crtc(obj); | |
3469 | ||
ebe0f244 LP |
3470 | if (crtc->funcs->gamma_set == NULL) { |
3471 | ret = -ENOSYS; | |
3472 | goto out; | |
3473 | } | |
3474 | ||
f453ba04 DA |
3475 | /* memcpy into gamma store */ |
3476 | if (crtc_lut->gamma_size != crtc->gamma_size) { | |
3477 | ret = -EINVAL; | |
3478 | goto out; | |
3479 | } | |
3480 | ||
3481 | size = crtc_lut->gamma_size * (sizeof(uint16_t)); | |
3482 | r_base = crtc->gamma_store; | |
3483 | if (copy_from_user(r_base, (void __user *)(unsigned long)crtc_lut->red, size)) { | |
3484 | ret = -EFAULT; | |
3485 | goto out; | |
3486 | } | |
3487 | ||
3488 | g_base = r_base + size; | |
3489 | if (copy_from_user(g_base, (void __user *)(unsigned long)crtc_lut->green, size)) { | |
3490 | ret = -EFAULT; | |
3491 | goto out; | |
3492 | } | |
3493 | ||
3494 | b_base = g_base + size; | |
3495 | if (copy_from_user(b_base, (void __user *)(unsigned long)crtc_lut->blue, size)) { | |
3496 | ret = -EFAULT; | |
3497 | goto out; | |
3498 | } | |
3499 | ||
7203425a | 3500 | crtc->funcs->gamma_set(crtc, r_base, g_base, b_base, 0, crtc->gamma_size); |
f453ba04 DA |
3501 | |
3502 | out: | |
3503 | mutex_unlock(&dev->mode_config.mutex); | |
3504 | return ret; | |
3505 | ||
3506 | } | |
3507 | ||
3508 | int drm_mode_gamma_get_ioctl(struct drm_device *dev, | |
3509 | void *data, struct drm_file *file_priv) | |
3510 | { | |
3511 | struct drm_mode_crtc_lut *crtc_lut = data; | |
3512 | struct drm_mode_object *obj; | |
3513 | struct drm_crtc *crtc; | |
3514 | void *r_base, *g_base, *b_base; | |
3515 | int size; | |
3516 | int ret = 0; | |
3517 | ||
fb3b06c8 DA |
3518 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
3519 | return -EINVAL; | |
3520 | ||
f453ba04 DA |
3521 | mutex_lock(&dev->mode_config.mutex); |
3522 | obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC); | |
3523 | if (!obj) { | |
3524 | ret = -EINVAL; | |
3525 | goto out; | |
3526 | } | |
3527 | crtc = obj_to_crtc(obj); | |
3528 | ||
3529 | /* memcpy into gamma store */ | |
3530 | if (crtc_lut->gamma_size != crtc->gamma_size) { | |
3531 | ret = -EINVAL; | |
3532 | goto out; | |
3533 | } | |
3534 | ||
3535 | size = crtc_lut->gamma_size * (sizeof(uint16_t)); | |
3536 | r_base = crtc->gamma_store; | |
3537 | if (copy_to_user((void __user *)(unsigned long)crtc_lut->red, r_base, size)) { | |
3538 | ret = -EFAULT; | |
3539 | goto out; | |
3540 | } | |
3541 | ||
3542 | g_base = r_base + size; | |
3543 | if (copy_to_user((void __user *)(unsigned long)crtc_lut->green, g_base, size)) { | |
3544 | ret = -EFAULT; | |
3545 | goto out; | |
3546 | } | |
3547 | ||
3548 | b_base = g_base + size; | |
3549 | if (copy_to_user((void __user *)(unsigned long)crtc_lut->blue, b_base, size)) { | |
3550 | ret = -EFAULT; | |
3551 | goto out; | |
3552 | } | |
3553 | out: | |
3554 | mutex_unlock(&dev->mode_config.mutex); | |
3555 | return ret; | |
3556 | } | |
d91d8a3f KH |
3557 | |
3558 | int drm_mode_page_flip_ioctl(struct drm_device *dev, | |
3559 | void *data, struct drm_file *file_priv) | |
3560 | { | |
3561 | struct drm_mode_crtc_page_flip *page_flip = data; | |
3562 | struct drm_mode_object *obj; | |
3563 | struct drm_crtc *crtc; | |
3564 | struct drm_framebuffer *fb; | |
3565 | struct drm_pending_vblank_event *e = NULL; | |
3566 | unsigned long flags; | |
7c80e128 | 3567 | int hdisplay, vdisplay; |
d91d8a3f KH |
3568 | int ret = -EINVAL; |
3569 | ||
3570 | if (page_flip->flags & ~DRM_MODE_PAGE_FLIP_FLAGS || | |
3571 | page_flip->reserved != 0) | |
3572 | return -EINVAL; | |
3573 | ||
3574 | mutex_lock(&dev->mode_config.mutex); | |
3575 | obj = drm_mode_object_find(dev, page_flip->crtc_id, DRM_MODE_OBJECT_CRTC); | |
3576 | if (!obj) | |
3577 | goto out; | |
3578 | crtc = obj_to_crtc(obj); | |
3579 | ||
90c1efdd CW |
3580 | if (crtc->fb == NULL) { |
3581 | /* The framebuffer is currently unbound, presumably | |
3582 | * due to a hotplug event, that userspace has not | |
3583 | * yet discovered. | |
3584 | */ | |
3585 | ret = -EBUSY; | |
3586 | goto out; | |
3587 | } | |
3588 | ||
d91d8a3f KH |
3589 | if (crtc->funcs->page_flip == NULL) |
3590 | goto out; | |
3591 | ||
3592 | obj = drm_mode_object_find(dev, page_flip->fb_id, DRM_MODE_OBJECT_FB); | |
3593 | if (!obj) | |
3594 | goto out; | |
3595 | fb = obj_to_fb(obj); | |
3596 | ||
7c80e128 RC |
3597 | hdisplay = crtc->mode.hdisplay; |
3598 | vdisplay = crtc->mode.vdisplay; | |
3599 | ||
3600 | if (crtc->invert_dimensions) | |
3601 | swap(hdisplay, vdisplay); | |
3602 | ||
3603 | if (hdisplay > fb->width || | |
3604 | vdisplay > fb->height || | |
3605 | crtc->x > fb->width - hdisplay || | |
3606 | crtc->y > fb->height - vdisplay) { | |
3607 | DRM_DEBUG_KMS("Invalid fb size %ux%u for CRTC viewport %ux%u+%d+%d%s.\n", | |
3608 | fb->width, fb->height, hdisplay, vdisplay, crtc->x, crtc->y, | |
3609 | crtc->invert_dimensions ? " (inverted)" : ""); | |
5f61bb42 VS |
3610 | ret = -ENOSPC; |
3611 | goto out; | |
3612 | } | |
3613 | ||
d91d8a3f KH |
3614 | if (page_flip->flags & DRM_MODE_PAGE_FLIP_EVENT) { |
3615 | ret = -ENOMEM; | |
3616 | spin_lock_irqsave(&dev->event_lock, flags); | |
3617 | if (file_priv->event_space < sizeof e->event) { | |
3618 | spin_unlock_irqrestore(&dev->event_lock, flags); | |
3619 | goto out; | |
3620 | } | |
3621 | file_priv->event_space -= sizeof e->event; | |
3622 | spin_unlock_irqrestore(&dev->event_lock, flags); | |
3623 | ||
3624 | e = kzalloc(sizeof *e, GFP_KERNEL); | |
3625 | if (e == NULL) { | |
3626 | spin_lock_irqsave(&dev->event_lock, flags); | |
3627 | file_priv->event_space += sizeof e->event; | |
3628 | spin_unlock_irqrestore(&dev->event_lock, flags); | |
3629 | goto out; | |
3630 | } | |
3631 | ||
7bd4d7be | 3632 | e->event.base.type = DRM_EVENT_FLIP_COMPLETE; |
d91d8a3f KH |
3633 | e->event.base.length = sizeof e->event; |
3634 | e->event.user_data = page_flip->user_data; | |
3635 | e->base.event = &e->event.base; | |
3636 | e->base.file_priv = file_priv; | |
3637 | e->base.destroy = | |
3638 | (void (*) (struct drm_pending_event *)) kfree; | |
3639 | } | |
3640 | ||
3641 | ret = crtc->funcs->page_flip(crtc, fb, e); | |
3642 | if (ret) { | |
aef6a7ee JS |
3643 | if (page_flip->flags & DRM_MODE_PAGE_FLIP_EVENT) { |
3644 | spin_lock_irqsave(&dev->event_lock, flags); | |
3645 | file_priv->event_space += sizeof e->event; | |
3646 | spin_unlock_irqrestore(&dev->event_lock, flags); | |
3647 | kfree(e); | |
3648 | } | |
d91d8a3f KH |
3649 | } |
3650 | ||
3651 | out: | |
3652 | mutex_unlock(&dev->mode_config.mutex); | |
3653 | return ret; | |
3654 | } | |
eb033556 CW |
3655 | |
3656 | void drm_mode_config_reset(struct drm_device *dev) | |
3657 | { | |
3658 | struct drm_crtc *crtc; | |
3659 | struct drm_encoder *encoder; | |
3660 | struct drm_connector *connector; | |
3661 | ||
3662 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) | |
3663 | if (crtc->funcs->reset) | |
3664 | crtc->funcs->reset(crtc); | |
3665 | ||
3666 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) | |
3667 | if (encoder->funcs->reset) | |
3668 | encoder->funcs->reset(encoder); | |
3669 | ||
3670 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) | |
3671 | if (connector->funcs->reset) | |
3672 | connector->funcs->reset(connector); | |
3673 | } | |
3674 | EXPORT_SYMBOL(drm_mode_config_reset); | |
ff72145b DA |
3675 | |
3676 | int drm_mode_create_dumb_ioctl(struct drm_device *dev, | |
3677 | void *data, struct drm_file *file_priv) | |
3678 | { | |
3679 | struct drm_mode_create_dumb *args = data; | |
3680 | ||
3681 | if (!dev->driver->dumb_create) | |
3682 | return -ENOSYS; | |
3683 | return dev->driver->dumb_create(file_priv, dev, args); | |
3684 | } | |
3685 | ||
3686 | int drm_mode_mmap_dumb_ioctl(struct drm_device *dev, | |
3687 | void *data, struct drm_file *file_priv) | |
3688 | { | |
3689 | struct drm_mode_map_dumb *args = data; | |
3690 | ||
3691 | /* call driver ioctl to get mmap offset */ | |
3692 | if (!dev->driver->dumb_map_offset) | |
3693 | return -ENOSYS; | |
3694 | ||
3695 | return dev->driver->dumb_map_offset(file_priv, dev, args->handle, &args->offset); | |
3696 | } | |
3697 | ||
3698 | int drm_mode_destroy_dumb_ioctl(struct drm_device *dev, | |
3699 | void *data, struct drm_file *file_priv) | |
3700 | { | |
3701 | struct drm_mode_destroy_dumb *args = data; | |
3702 | ||
3703 | if (!dev->driver->dumb_destroy) | |
3704 | return -ENOSYS; | |
3705 | ||
3706 | return dev->driver->dumb_destroy(file_priv, dev, args->handle); | |
3707 | } | |
248dbc23 DA |
3708 | |
3709 | /* | |
3710 | * Just need to support RGB formats here for compat with code that doesn't | |
3711 | * use pixel formats directly yet. | |
3712 | */ | |
3713 | void drm_fb_get_bpp_depth(uint32_t format, unsigned int *depth, | |
3714 | int *bpp) | |
3715 | { | |
3716 | switch (format) { | |
04b3924d VS |
3717 | case DRM_FORMAT_RGB332: |
3718 | case DRM_FORMAT_BGR233: | |
248dbc23 DA |
3719 | *depth = 8; |
3720 | *bpp = 8; | |
3721 | break; | |
04b3924d VS |
3722 | case DRM_FORMAT_XRGB1555: |
3723 | case DRM_FORMAT_XBGR1555: | |
3724 | case DRM_FORMAT_RGBX5551: | |
3725 | case DRM_FORMAT_BGRX5551: | |
3726 | case DRM_FORMAT_ARGB1555: | |
3727 | case DRM_FORMAT_ABGR1555: | |
3728 | case DRM_FORMAT_RGBA5551: | |
3729 | case DRM_FORMAT_BGRA5551: | |
248dbc23 DA |
3730 | *depth = 15; |
3731 | *bpp = 16; | |
3732 | break; | |
04b3924d VS |
3733 | case DRM_FORMAT_RGB565: |
3734 | case DRM_FORMAT_BGR565: | |
248dbc23 DA |
3735 | *depth = 16; |
3736 | *bpp = 16; | |
3737 | break; | |
04b3924d VS |
3738 | case DRM_FORMAT_RGB888: |
3739 | case DRM_FORMAT_BGR888: | |
3740 | *depth = 24; | |
3741 | *bpp = 24; | |
3742 | break; | |
3743 | case DRM_FORMAT_XRGB8888: | |
3744 | case DRM_FORMAT_XBGR8888: | |
3745 | case DRM_FORMAT_RGBX8888: | |
3746 | case DRM_FORMAT_BGRX8888: | |
248dbc23 DA |
3747 | *depth = 24; |
3748 | *bpp = 32; | |
3749 | break; | |
04b3924d VS |
3750 | case DRM_FORMAT_XRGB2101010: |
3751 | case DRM_FORMAT_XBGR2101010: | |
3752 | case DRM_FORMAT_RGBX1010102: | |
3753 | case DRM_FORMAT_BGRX1010102: | |
3754 | case DRM_FORMAT_ARGB2101010: | |
3755 | case DRM_FORMAT_ABGR2101010: | |
3756 | case DRM_FORMAT_RGBA1010102: | |
3757 | case DRM_FORMAT_BGRA1010102: | |
248dbc23 DA |
3758 | *depth = 30; |
3759 | *bpp = 32; | |
3760 | break; | |
04b3924d VS |
3761 | case DRM_FORMAT_ARGB8888: |
3762 | case DRM_FORMAT_ABGR8888: | |
3763 | case DRM_FORMAT_RGBA8888: | |
3764 | case DRM_FORMAT_BGRA8888: | |
248dbc23 DA |
3765 | *depth = 32; |
3766 | *bpp = 32; | |
3767 | break; | |
3768 | default: | |
3769 | DRM_DEBUG_KMS("unsupported pixel format\n"); | |
3770 | *depth = 0; | |
3771 | *bpp = 0; | |
3772 | break; | |
3773 | } | |
3774 | } | |
3775 | EXPORT_SYMBOL(drm_fb_get_bpp_depth); | |
141670e9 VS |
3776 | |
3777 | /** | |
3778 | * drm_format_num_planes - get the number of planes for format | |
3779 | * @format: pixel format (DRM_FORMAT_*) | |
3780 | * | |
3781 | * RETURNS: | |
3782 | * The number of planes used by the specified pixel format. | |
3783 | */ | |
3784 | int drm_format_num_planes(uint32_t format) | |
3785 | { | |
3786 | switch (format) { | |
3787 | case DRM_FORMAT_YUV410: | |
3788 | case DRM_FORMAT_YVU410: | |
3789 | case DRM_FORMAT_YUV411: | |
3790 | case DRM_FORMAT_YVU411: | |
3791 | case DRM_FORMAT_YUV420: | |
3792 | case DRM_FORMAT_YVU420: | |
3793 | case DRM_FORMAT_YUV422: | |
3794 | case DRM_FORMAT_YVU422: | |
3795 | case DRM_FORMAT_YUV444: | |
3796 | case DRM_FORMAT_YVU444: | |
3797 | return 3; | |
3798 | case DRM_FORMAT_NV12: | |
3799 | case DRM_FORMAT_NV21: | |
3800 | case DRM_FORMAT_NV16: | |
3801 | case DRM_FORMAT_NV61: | |
ba623f6a LP |
3802 | case DRM_FORMAT_NV24: |
3803 | case DRM_FORMAT_NV42: | |
141670e9 VS |
3804 | return 2; |
3805 | default: | |
3806 | return 1; | |
3807 | } | |
3808 | } | |
3809 | EXPORT_SYMBOL(drm_format_num_planes); | |
5a86bd55 VS |
3810 | |
3811 | /** | |
3812 | * drm_format_plane_cpp - determine the bytes per pixel value | |
3813 | * @format: pixel format (DRM_FORMAT_*) | |
3814 | * @plane: plane index | |
3815 | * | |
3816 | * RETURNS: | |
3817 | * The bytes per pixel value for the specified plane. | |
3818 | */ | |
3819 | int drm_format_plane_cpp(uint32_t format, int plane) | |
3820 | { | |
3821 | unsigned int depth; | |
3822 | int bpp; | |
3823 | ||
3824 | if (plane >= drm_format_num_planes(format)) | |
3825 | return 0; | |
3826 | ||
3827 | switch (format) { | |
3828 | case DRM_FORMAT_YUYV: | |
3829 | case DRM_FORMAT_YVYU: | |
3830 | case DRM_FORMAT_UYVY: | |
3831 | case DRM_FORMAT_VYUY: | |
3832 | return 2; | |
3833 | case DRM_FORMAT_NV12: | |
3834 | case DRM_FORMAT_NV21: | |
3835 | case DRM_FORMAT_NV16: | |
3836 | case DRM_FORMAT_NV61: | |
ba623f6a LP |
3837 | case DRM_FORMAT_NV24: |
3838 | case DRM_FORMAT_NV42: | |
5a86bd55 VS |
3839 | return plane ? 2 : 1; |
3840 | case DRM_FORMAT_YUV410: | |
3841 | case DRM_FORMAT_YVU410: | |
3842 | case DRM_FORMAT_YUV411: | |
3843 | case DRM_FORMAT_YVU411: | |
3844 | case DRM_FORMAT_YUV420: | |
3845 | case DRM_FORMAT_YVU420: | |
3846 | case DRM_FORMAT_YUV422: | |
3847 | case DRM_FORMAT_YVU422: | |
3848 | case DRM_FORMAT_YUV444: | |
3849 | case DRM_FORMAT_YVU444: | |
3850 | return 1; | |
3851 | default: | |
3852 | drm_fb_get_bpp_depth(format, &depth, &bpp); | |
3853 | return bpp >> 3; | |
3854 | } | |
3855 | } | |
3856 | EXPORT_SYMBOL(drm_format_plane_cpp); | |
01b68b04 VS |
3857 | |
3858 | /** | |
3859 | * drm_format_horz_chroma_subsampling - get the horizontal chroma subsampling factor | |
3860 | * @format: pixel format (DRM_FORMAT_*) | |
3861 | * | |
3862 | * RETURNS: | |
3863 | * The horizontal chroma subsampling factor for the | |
3864 | * specified pixel format. | |
3865 | */ | |
3866 | int drm_format_horz_chroma_subsampling(uint32_t format) | |
3867 | { | |
3868 | switch (format) { | |
3869 | case DRM_FORMAT_YUV411: | |
3870 | case DRM_FORMAT_YVU411: | |
3871 | case DRM_FORMAT_YUV410: | |
3872 | case DRM_FORMAT_YVU410: | |
3873 | return 4; | |
3874 | case DRM_FORMAT_YUYV: | |
3875 | case DRM_FORMAT_YVYU: | |
3876 | case DRM_FORMAT_UYVY: | |
3877 | case DRM_FORMAT_VYUY: | |
3878 | case DRM_FORMAT_NV12: | |
3879 | case DRM_FORMAT_NV21: | |
3880 | case DRM_FORMAT_NV16: | |
3881 | case DRM_FORMAT_NV61: | |
3882 | case DRM_FORMAT_YUV422: | |
3883 | case DRM_FORMAT_YVU422: | |
3884 | case DRM_FORMAT_YUV420: | |
3885 | case DRM_FORMAT_YVU420: | |
3886 | return 2; | |
3887 | default: | |
3888 | return 1; | |
3889 | } | |
3890 | } | |
3891 | EXPORT_SYMBOL(drm_format_horz_chroma_subsampling); | |
3892 | ||
3893 | /** | |
3894 | * drm_format_vert_chroma_subsampling - get the vertical chroma subsampling factor | |
3895 | * @format: pixel format (DRM_FORMAT_*) | |
3896 | * | |
3897 | * RETURNS: | |
3898 | * The vertical chroma subsampling factor for the | |
3899 | * specified pixel format. | |
3900 | */ | |
3901 | int drm_format_vert_chroma_subsampling(uint32_t format) | |
3902 | { | |
3903 | switch (format) { | |
3904 | case DRM_FORMAT_YUV410: | |
3905 | case DRM_FORMAT_YVU410: | |
3906 | return 4; | |
3907 | case DRM_FORMAT_YUV420: | |
3908 | case DRM_FORMAT_YVU420: | |
3909 | case DRM_FORMAT_NV12: | |
3910 | case DRM_FORMAT_NV21: | |
3911 | return 2; | |
3912 | default: | |
3913 | return 1; | |
3914 | } | |
3915 | } | |
3916 | EXPORT_SYMBOL(drm_format_vert_chroma_subsampling); |