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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> |
f453ba04 DA |
35 | #include "drm.h" |
36 | #include "drmP.h" | |
37 | #include "drm_crtc.h" | |
7466f4cc | 38 | #include "drm_edid.h" |
308e5bcb | 39 | #include "drm_fourcc.h" |
f453ba04 DA |
40 | |
41 | struct drm_prop_enum_list { | |
42 | int type; | |
43 | char *name; | |
44 | }; | |
45 | ||
46 | /* Avoid boilerplate. I'm tired of typing. */ | |
47 | #define DRM_ENUM_NAME_FN(fnname, list) \ | |
48 | char *fnname(int val) \ | |
49 | { \ | |
50 | int i; \ | |
51 | for (i = 0; i < ARRAY_SIZE(list); i++) { \ | |
52 | if (list[i].type == val) \ | |
53 | return list[i].name; \ | |
54 | } \ | |
55 | return "(unknown)"; \ | |
56 | } | |
57 | ||
58 | /* | |
59 | * Global properties | |
60 | */ | |
61 | static struct drm_prop_enum_list drm_dpms_enum_list[] = | |
62 | { { DRM_MODE_DPMS_ON, "On" }, | |
63 | { DRM_MODE_DPMS_STANDBY, "Standby" }, | |
64 | { DRM_MODE_DPMS_SUSPEND, "Suspend" }, | |
65 | { DRM_MODE_DPMS_OFF, "Off" } | |
66 | }; | |
67 | ||
68 | DRM_ENUM_NAME_FN(drm_get_dpms_name, drm_dpms_enum_list) | |
69 | ||
70 | /* | |
71 | * Optional properties | |
72 | */ | |
73 | static struct drm_prop_enum_list drm_scaling_mode_enum_list[] = | |
74 | { | |
53bd8389 JB |
75 | { DRM_MODE_SCALE_NONE, "None" }, |
76 | { DRM_MODE_SCALE_FULLSCREEN, "Full" }, | |
77 | { DRM_MODE_SCALE_CENTER, "Center" }, | |
78 | { DRM_MODE_SCALE_ASPECT, "Full aspect" }, | |
f453ba04 DA |
79 | }; |
80 | ||
81 | static struct drm_prop_enum_list drm_dithering_mode_enum_list[] = | |
82 | { | |
83 | { DRM_MODE_DITHERING_OFF, "Off" }, | |
84 | { DRM_MODE_DITHERING_ON, "On" }, | |
92897b5c | 85 | { DRM_MODE_DITHERING_AUTO, "Automatic" }, |
f453ba04 DA |
86 | }; |
87 | ||
88 | /* | |
89 | * Non-global properties, but "required" for certain connectors. | |
90 | */ | |
91 | static struct drm_prop_enum_list drm_dvi_i_select_enum_list[] = | |
92 | { | |
93 | { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */ | |
94 | { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */ | |
95 | { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */ | |
96 | }; | |
97 | ||
98 | DRM_ENUM_NAME_FN(drm_get_dvi_i_select_name, drm_dvi_i_select_enum_list) | |
99 | ||
100 | static struct drm_prop_enum_list drm_dvi_i_subconnector_enum_list[] = | |
101 | { | |
102 | { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */ | |
103 | { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */ | |
104 | { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */ | |
105 | }; | |
106 | ||
107 | DRM_ENUM_NAME_FN(drm_get_dvi_i_subconnector_name, | |
108 | drm_dvi_i_subconnector_enum_list) | |
109 | ||
110 | static struct drm_prop_enum_list drm_tv_select_enum_list[] = | |
111 | { | |
112 | { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */ | |
113 | { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */ | |
114 | { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */ | |
115 | { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */ | |
aeaa1ad3 | 116 | { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */ |
f453ba04 DA |
117 | }; |
118 | ||
119 | DRM_ENUM_NAME_FN(drm_get_tv_select_name, drm_tv_select_enum_list) | |
120 | ||
121 | static struct drm_prop_enum_list drm_tv_subconnector_enum_list[] = | |
122 | { | |
123 | { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */ | |
124 | { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */ | |
125 | { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */ | |
126 | { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */ | |
aeaa1ad3 | 127 | { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */ |
f453ba04 DA |
128 | }; |
129 | ||
130 | DRM_ENUM_NAME_FN(drm_get_tv_subconnector_name, | |
131 | drm_tv_subconnector_enum_list) | |
132 | ||
884840aa JB |
133 | static struct drm_prop_enum_list drm_dirty_info_enum_list[] = { |
134 | { DRM_MODE_DIRTY_OFF, "Off" }, | |
135 | { DRM_MODE_DIRTY_ON, "On" }, | |
136 | { DRM_MODE_DIRTY_ANNOTATE, "Annotate" }, | |
137 | }; | |
138 | ||
139 | DRM_ENUM_NAME_FN(drm_get_dirty_info_name, | |
140 | drm_dirty_info_enum_list) | |
141 | ||
f453ba04 DA |
142 | struct drm_conn_prop_enum_list { |
143 | int type; | |
144 | char *name; | |
145 | int count; | |
146 | }; | |
147 | ||
148 | /* | |
149 | * Connector and encoder types. | |
150 | */ | |
151 | static struct drm_conn_prop_enum_list drm_connector_enum_list[] = | |
152 | { { DRM_MODE_CONNECTOR_Unknown, "Unknown", 0 }, | |
153 | { DRM_MODE_CONNECTOR_VGA, "VGA", 0 }, | |
154 | { DRM_MODE_CONNECTOR_DVII, "DVI-I", 0 }, | |
155 | { DRM_MODE_CONNECTOR_DVID, "DVI-D", 0 }, | |
156 | { DRM_MODE_CONNECTOR_DVIA, "DVI-A", 0 }, | |
157 | { DRM_MODE_CONNECTOR_Composite, "Composite", 0 }, | |
158 | { DRM_MODE_CONNECTOR_SVIDEO, "SVIDEO", 0 }, | |
159 | { DRM_MODE_CONNECTOR_LVDS, "LVDS", 0 }, | |
160 | { DRM_MODE_CONNECTOR_Component, "Component", 0 }, | |
e76116ca AD |
161 | { DRM_MODE_CONNECTOR_9PinDIN, "DIN", 0 }, |
162 | { DRM_MODE_CONNECTOR_DisplayPort, "DP", 0 }, | |
163 | { DRM_MODE_CONNECTOR_HDMIA, "HDMI-A", 0 }, | |
164 | { DRM_MODE_CONNECTOR_HDMIB, "HDMI-B", 0 }, | |
74bd3c26 | 165 | { DRM_MODE_CONNECTOR_TV, "TV", 0 }, |
e76116ca | 166 | { DRM_MODE_CONNECTOR_eDP, "eDP", 0 }, |
a7331e5c | 167 | { DRM_MODE_CONNECTOR_VIRTUAL, "Virtual", 0}, |
f453ba04 DA |
168 | }; |
169 | ||
170 | static struct drm_prop_enum_list drm_encoder_enum_list[] = | |
171 | { { DRM_MODE_ENCODER_NONE, "None" }, | |
172 | { DRM_MODE_ENCODER_DAC, "DAC" }, | |
173 | { DRM_MODE_ENCODER_TMDS, "TMDS" }, | |
174 | { DRM_MODE_ENCODER_LVDS, "LVDS" }, | |
175 | { DRM_MODE_ENCODER_TVDAC, "TV" }, | |
a7331e5c | 176 | { DRM_MODE_ENCODER_VIRTUAL, "Virtual" }, |
f453ba04 DA |
177 | }; |
178 | ||
179 | char *drm_get_encoder_name(struct drm_encoder *encoder) | |
180 | { | |
181 | static char buf[32]; | |
182 | ||
183 | snprintf(buf, 32, "%s-%d", | |
184 | drm_encoder_enum_list[encoder->encoder_type].name, | |
185 | encoder->base.id); | |
186 | return buf; | |
187 | } | |
13a8195b | 188 | EXPORT_SYMBOL(drm_get_encoder_name); |
f453ba04 DA |
189 | |
190 | char *drm_get_connector_name(struct drm_connector *connector) | |
191 | { | |
192 | static char buf[32]; | |
193 | ||
194 | snprintf(buf, 32, "%s-%d", | |
195 | drm_connector_enum_list[connector->connector_type].name, | |
196 | connector->connector_type_id); | |
197 | return buf; | |
198 | } | |
199 | EXPORT_SYMBOL(drm_get_connector_name); | |
200 | ||
201 | char *drm_get_connector_status_name(enum drm_connector_status status) | |
202 | { | |
203 | if (status == connector_status_connected) | |
204 | return "connected"; | |
205 | else if (status == connector_status_disconnected) | |
206 | return "disconnected"; | |
207 | else | |
208 | return "unknown"; | |
209 | } | |
210 | ||
211 | /** | |
212 | * drm_mode_object_get - allocate a new identifier | |
213 | * @dev: DRM device | |
214 | * @ptr: object pointer, used to generate unique ID | |
215 | * @type: object type | |
216 | * | |
217 | * LOCKING: | |
f453ba04 DA |
218 | * |
219 | * Create a unique identifier based on @ptr in @dev's identifier space. Used | |
220 | * for tracking modes, CRTCs and connectors. | |
221 | * | |
222 | * RETURNS: | |
223 | * New unique (relative to other objects in @dev) integer identifier for the | |
224 | * object. | |
225 | */ | |
226 | static int drm_mode_object_get(struct drm_device *dev, | |
227 | struct drm_mode_object *obj, uint32_t obj_type) | |
228 | { | |
229 | int new_id = 0; | |
230 | int ret; | |
231 | ||
f453ba04 DA |
232 | again: |
233 | if (idr_pre_get(&dev->mode_config.crtc_idr, GFP_KERNEL) == 0) { | |
234 | DRM_ERROR("Ran out memory getting a mode number\n"); | |
235 | return -EINVAL; | |
236 | } | |
237 | ||
ad2563c2 | 238 | mutex_lock(&dev->mode_config.idr_mutex); |
f453ba04 | 239 | ret = idr_get_new_above(&dev->mode_config.crtc_idr, obj, 1, &new_id); |
ad2563c2 | 240 | mutex_unlock(&dev->mode_config.idr_mutex); |
f453ba04 DA |
241 | if (ret == -EAGAIN) |
242 | goto again; | |
243 | ||
244 | obj->id = new_id; | |
245 | obj->type = obj_type; | |
246 | return 0; | |
247 | } | |
248 | ||
249 | /** | |
250 | * drm_mode_object_put - free an identifer | |
251 | * @dev: DRM device | |
252 | * @id: ID to free | |
253 | * | |
254 | * LOCKING: | |
255 | * Caller must hold DRM mode_config lock. | |
256 | * | |
257 | * Free @id from @dev's unique identifier pool. | |
258 | */ | |
259 | static void drm_mode_object_put(struct drm_device *dev, | |
260 | struct drm_mode_object *object) | |
261 | { | |
ad2563c2 | 262 | mutex_lock(&dev->mode_config.idr_mutex); |
f453ba04 | 263 | idr_remove(&dev->mode_config.crtc_idr, object->id); |
ad2563c2 | 264 | mutex_unlock(&dev->mode_config.idr_mutex); |
f453ba04 DA |
265 | } |
266 | ||
7a9c9060 DV |
267 | struct drm_mode_object *drm_mode_object_find(struct drm_device *dev, |
268 | uint32_t id, uint32_t type) | |
f453ba04 | 269 | { |
ad2563c2 | 270 | struct drm_mode_object *obj = NULL; |
f453ba04 | 271 | |
ad2563c2 | 272 | mutex_lock(&dev->mode_config.idr_mutex); |
f453ba04 DA |
273 | obj = idr_find(&dev->mode_config.crtc_idr, id); |
274 | if (!obj || (obj->type != type) || (obj->id != id)) | |
ad2563c2 JB |
275 | obj = NULL; |
276 | mutex_unlock(&dev->mode_config.idr_mutex); | |
f453ba04 DA |
277 | |
278 | return obj; | |
279 | } | |
280 | EXPORT_SYMBOL(drm_mode_object_find); | |
281 | ||
f453ba04 DA |
282 | /** |
283 | * drm_framebuffer_init - initialize a framebuffer | |
284 | * @dev: DRM device | |
285 | * | |
286 | * LOCKING: | |
287 | * Caller must hold mode config lock. | |
288 | * | |
289 | * Allocates an ID for the framebuffer's parent mode object, sets its mode | |
290 | * functions & device file and adds it to the master fd list. | |
291 | * | |
292 | * RETURNS: | |
af901ca1 | 293 | * Zero on success, error code on failure. |
f453ba04 DA |
294 | */ |
295 | int drm_framebuffer_init(struct drm_device *dev, struct drm_framebuffer *fb, | |
296 | const struct drm_framebuffer_funcs *funcs) | |
297 | { | |
298 | int ret; | |
299 | ||
300 | ret = drm_mode_object_get(dev, &fb->base, DRM_MODE_OBJECT_FB); | |
301 | if (ret) { | |
302 | return ret; | |
303 | } | |
304 | ||
305 | fb->dev = dev; | |
306 | fb->funcs = funcs; | |
307 | dev->mode_config.num_fb++; | |
308 | list_add(&fb->head, &dev->mode_config.fb_list); | |
309 | ||
310 | return 0; | |
311 | } | |
312 | EXPORT_SYMBOL(drm_framebuffer_init); | |
313 | ||
314 | /** | |
315 | * drm_framebuffer_cleanup - remove a framebuffer object | |
316 | * @fb: framebuffer to remove | |
317 | * | |
318 | * LOCKING: | |
319 | * Caller must hold mode config lock. | |
320 | * | |
321 | * Scans all the CRTCs in @dev's mode_config. If they're using @fb, removes | |
322 | * it, setting it to NULL. | |
323 | */ | |
324 | void drm_framebuffer_cleanup(struct drm_framebuffer *fb) | |
325 | { | |
326 | struct drm_device *dev = fb->dev; | |
327 | struct drm_crtc *crtc; | |
8cf5c917 | 328 | struct drm_plane *plane; |
5ef5f72f DA |
329 | struct drm_mode_set set; |
330 | int ret; | |
f453ba04 DA |
331 | |
332 | /* remove from any CRTC */ | |
333 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { | |
5ef5f72f DA |
334 | if (crtc->fb == fb) { |
335 | /* should turn off the crtc */ | |
336 | memset(&set, 0, sizeof(struct drm_mode_set)); | |
337 | set.crtc = crtc; | |
338 | set.fb = NULL; | |
339 | ret = crtc->funcs->set_config(&set); | |
340 | if (ret) | |
341 | DRM_ERROR("failed to reset crtc %p when fb was deleted\n", crtc); | |
342 | } | |
f453ba04 DA |
343 | } |
344 | ||
8cf5c917 JB |
345 | list_for_each_entry(plane, &dev->mode_config.plane_list, head) { |
346 | if (plane->fb == fb) { | |
347 | /* should turn off the crtc */ | |
348 | ret = plane->funcs->disable_plane(plane); | |
349 | if (ret) | |
350 | DRM_ERROR("failed to disable plane with busy fb\n"); | |
351 | } | |
352 | } | |
353 | ||
f453ba04 DA |
354 | drm_mode_object_put(dev, &fb->base); |
355 | list_del(&fb->head); | |
356 | dev->mode_config.num_fb--; | |
357 | } | |
358 | EXPORT_SYMBOL(drm_framebuffer_cleanup); | |
359 | ||
360 | /** | |
361 | * drm_crtc_init - Initialise a new CRTC object | |
362 | * @dev: DRM device | |
363 | * @crtc: CRTC object to init | |
364 | * @funcs: callbacks for the new CRTC | |
365 | * | |
366 | * LOCKING: | |
367 | * Caller must hold mode config lock. | |
368 | * | |
369 | * Inits a new object created as base part of an driver crtc object. | |
370 | */ | |
371 | void drm_crtc_init(struct drm_device *dev, struct drm_crtc *crtc, | |
372 | const struct drm_crtc_funcs *funcs) | |
373 | { | |
374 | crtc->dev = dev; | |
375 | crtc->funcs = funcs; | |
376 | ||
377 | mutex_lock(&dev->mode_config.mutex); | |
378 | drm_mode_object_get(dev, &crtc->base, DRM_MODE_OBJECT_CRTC); | |
379 | ||
380 | list_add_tail(&crtc->head, &dev->mode_config.crtc_list); | |
381 | dev->mode_config.num_crtc++; | |
382 | mutex_unlock(&dev->mode_config.mutex); | |
383 | } | |
384 | EXPORT_SYMBOL(drm_crtc_init); | |
385 | ||
386 | /** | |
387 | * drm_crtc_cleanup - Cleans up the core crtc usage. | |
388 | * @crtc: CRTC to cleanup | |
389 | * | |
390 | * LOCKING: | |
391 | * Caller must hold mode config lock. | |
392 | * | |
393 | * Cleanup @crtc. Removes from drm modesetting space | |
394 | * does NOT free object, caller does that. | |
395 | */ | |
396 | void drm_crtc_cleanup(struct drm_crtc *crtc) | |
397 | { | |
398 | struct drm_device *dev = crtc->dev; | |
399 | ||
400 | if (crtc->gamma_store) { | |
401 | kfree(crtc->gamma_store); | |
402 | crtc->gamma_store = NULL; | |
403 | } | |
404 | ||
405 | drm_mode_object_put(dev, &crtc->base); | |
406 | list_del(&crtc->head); | |
407 | dev->mode_config.num_crtc--; | |
408 | } | |
409 | EXPORT_SYMBOL(drm_crtc_cleanup); | |
410 | ||
411 | /** | |
412 | * drm_mode_probed_add - add a mode to a connector's probed mode list | |
413 | * @connector: connector the new mode | |
414 | * @mode: mode data | |
415 | * | |
416 | * LOCKING: | |
417 | * Caller must hold mode config lock. | |
418 | * | |
419 | * Add @mode to @connector's mode list for later use. | |
420 | */ | |
421 | void drm_mode_probed_add(struct drm_connector *connector, | |
422 | struct drm_display_mode *mode) | |
423 | { | |
424 | list_add(&mode->head, &connector->probed_modes); | |
425 | } | |
426 | EXPORT_SYMBOL(drm_mode_probed_add); | |
427 | ||
428 | /** | |
429 | * drm_mode_remove - remove and free a mode | |
430 | * @connector: connector list to modify | |
431 | * @mode: mode to remove | |
432 | * | |
433 | * LOCKING: | |
434 | * Caller must hold mode config lock. | |
435 | * | |
436 | * Remove @mode from @connector's mode list, then free it. | |
437 | */ | |
438 | void drm_mode_remove(struct drm_connector *connector, | |
439 | struct drm_display_mode *mode) | |
440 | { | |
441 | list_del(&mode->head); | |
442 | kfree(mode); | |
443 | } | |
444 | EXPORT_SYMBOL(drm_mode_remove); | |
445 | ||
446 | /** | |
447 | * drm_connector_init - Init a preallocated connector | |
448 | * @dev: DRM device | |
449 | * @connector: the connector to init | |
450 | * @funcs: callbacks for this connector | |
451 | * @name: user visible name of the connector | |
452 | * | |
453 | * LOCKING: | |
454 | * Caller must hold @dev's mode_config lock. | |
455 | * | |
456 | * Initialises a preallocated connector. Connectors should be | |
457 | * subclassed as part of driver connector objects. | |
458 | */ | |
459 | void drm_connector_init(struct drm_device *dev, | |
460 | struct drm_connector *connector, | |
461 | const struct drm_connector_funcs *funcs, | |
462 | int connector_type) | |
463 | { | |
464 | mutex_lock(&dev->mode_config.mutex); | |
465 | ||
466 | connector->dev = dev; | |
467 | connector->funcs = funcs; | |
468 | drm_mode_object_get(dev, &connector->base, DRM_MODE_OBJECT_CONNECTOR); | |
469 | connector->connector_type = connector_type; | |
470 | connector->connector_type_id = | |
471 | ++drm_connector_enum_list[connector_type].count; /* TODO */ | |
472 | INIT_LIST_HEAD(&connector->user_modes); | |
473 | INIT_LIST_HEAD(&connector->probed_modes); | |
474 | INIT_LIST_HEAD(&connector->modes); | |
475 | connector->edid_blob_ptr = NULL; | |
476 | ||
477 | list_add_tail(&connector->head, &dev->mode_config.connector_list); | |
478 | dev->mode_config.num_connector++; | |
479 | ||
a7331e5c TH |
480 | if (connector_type != DRM_MODE_CONNECTOR_VIRTUAL) |
481 | drm_connector_attach_property(connector, | |
482 | dev->mode_config.edid_property, | |
483 | 0); | |
f453ba04 DA |
484 | |
485 | drm_connector_attach_property(connector, | |
486 | dev->mode_config.dpms_property, 0); | |
487 | ||
488 | mutex_unlock(&dev->mode_config.mutex); | |
489 | } | |
490 | EXPORT_SYMBOL(drm_connector_init); | |
491 | ||
492 | /** | |
493 | * drm_connector_cleanup - cleans up an initialised connector | |
494 | * @connector: connector to cleanup | |
495 | * | |
496 | * LOCKING: | |
497 | * Caller must hold @dev's mode_config lock. | |
498 | * | |
499 | * Cleans up the connector but doesn't free the object. | |
500 | */ | |
501 | void drm_connector_cleanup(struct drm_connector *connector) | |
502 | { | |
503 | struct drm_device *dev = connector->dev; | |
504 | struct drm_display_mode *mode, *t; | |
505 | ||
506 | list_for_each_entry_safe(mode, t, &connector->probed_modes, head) | |
507 | drm_mode_remove(connector, mode); | |
508 | ||
509 | list_for_each_entry_safe(mode, t, &connector->modes, head) | |
510 | drm_mode_remove(connector, mode); | |
511 | ||
512 | list_for_each_entry_safe(mode, t, &connector->user_modes, head) | |
513 | drm_mode_remove(connector, mode); | |
514 | ||
515 | mutex_lock(&dev->mode_config.mutex); | |
516 | drm_mode_object_put(dev, &connector->base); | |
517 | list_del(&connector->head); | |
6380c509 | 518 | dev->mode_config.num_connector--; |
f453ba04 DA |
519 | mutex_unlock(&dev->mode_config.mutex); |
520 | } | |
521 | EXPORT_SYMBOL(drm_connector_cleanup); | |
522 | ||
523 | void drm_encoder_init(struct drm_device *dev, | |
524 | struct drm_encoder *encoder, | |
525 | const struct drm_encoder_funcs *funcs, | |
526 | int encoder_type) | |
527 | { | |
528 | mutex_lock(&dev->mode_config.mutex); | |
529 | ||
530 | encoder->dev = dev; | |
531 | ||
532 | drm_mode_object_get(dev, &encoder->base, DRM_MODE_OBJECT_ENCODER); | |
533 | encoder->encoder_type = encoder_type; | |
534 | encoder->funcs = funcs; | |
535 | ||
536 | list_add_tail(&encoder->head, &dev->mode_config.encoder_list); | |
537 | dev->mode_config.num_encoder++; | |
538 | ||
539 | mutex_unlock(&dev->mode_config.mutex); | |
540 | } | |
541 | EXPORT_SYMBOL(drm_encoder_init); | |
542 | ||
543 | void drm_encoder_cleanup(struct drm_encoder *encoder) | |
544 | { | |
545 | struct drm_device *dev = encoder->dev; | |
546 | mutex_lock(&dev->mode_config.mutex); | |
547 | drm_mode_object_put(dev, &encoder->base); | |
548 | list_del(&encoder->head); | |
6380c509 | 549 | dev->mode_config.num_encoder--; |
f453ba04 DA |
550 | mutex_unlock(&dev->mode_config.mutex); |
551 | } | |
552 | EXPORT_SYMBOL(drm_encoder_cleanup); | |
553 | ||
8cf5c917 JB |
554 | int drm_plane_init(struct drm_device *dev, struct drm_plane *plane, |
555 | unsigned long possible_crtcs, | |
556 | const struct drm_plane_funcs *funcs, | |
557 | uint32_t *formats, uint32_t format_count) | |
558 | { | |
559 | mutex_lock(&dev->mode_config.mutex); | |
560 | ||
561 | plane->dev = dev; | |
562 | drm_mode_object_get(dev, &plane->base, DRM_MODE_OBJECT_PLANE); | |
563 | plane->funcs = funcs; | |
564 | plane->format_types = kmalloc(sizeof(uint32_t) * format_count, | |
565 | GFP_KERNEL); | |
566 | if (!plane->format_types) { | |
567 | DRM_DEBUG_KMS("out of memory when allocating plane\n"); | |
568 | drm_mode_object_put(dev, &plane->base); | |
10bf573b | 569 | mutex_unlock(&dev->mode_config.mutex); |
8cf5c917 JB |
570 | return -ENOMEM; |
571 | } | |
572 | ||
308e5bcb | 573 | memcpy(plane->format_types, formats, format_count * sizeof(uint32_t)); |
8cf5c917 JB |
574 | plane->format_count = format_count; |
575 | plane->possible_crtcs = possible_crtcs; | |
576 | ||
577 | list_add_tail(&plane->head, &dev->mode_config.plane_list); | |
578 | dev->mode_config.num_plane++; | |
579 | ||
580 | mutex_unlock(&dev->mode_config.mutex); | |
581 | ||
582 | return 0; | |
583 | } | |
584 | EXPORT_SYMBOL(drm_plane_init); | |
585 | ||
586 | void drm_plane_cleanup(struct drm_plane *plane) | |
587 | { | |
588 | struct drm_device *dev = plane->dev; | |
589 | ||
590 | mutex_lock(&dev->mode_config.mutex); | |
591 | kfree(plane->format_types); | |
592 | drm_mode_object_put(dev, &plane->base); | |
593 | list_del(&plane->head); | |
594 | dev->mode_config.num_plane--; | |
595 | mutex_unlock(&dev->mode_config.mutex); | |
596 | } | |
597 | EXPORT_SYMBOL(drm_plane_cleanup); | |
598 | ||
f453ba04 DA |
599 | /** |
600 | * drm_mode_create - create a new display mode | |
601 | * @dev: DRM device | |
602 | * | |
603 | * LOCKING: | |
604 | * Caller must hold DRM mode_config lock. | |
605 | * | |
606 | * Create a new drm_display_mode, give it an ID, and return it. | |
607 | * | |
608 | * RETURNS: | |
609 | * Pointer to new mode on success, NULL on error. | |
610 | */ | |
611 | struct drm_display_mode *drm_mode_create(struct drm_device *dev) | |
612 | { | |
613 | struct drm_display_mode *nmode; | |
614 | ||
615 | nmode = kzalloc(sizeof(struct drm_display_mode), GFP_KERNEL); | |
616 | if (!nmode) | |
617 | return NULL; | |
618 | ||
619 | drm_mode_object_get(dev, &nmode->base, DRM_MODE_OBJECT_MODE); | |
620 | return nmode; | |
621 | } | |
622 | EXPORT_SYMBOL(drm_mode_create); | |
623 | ||
624 | /** | |
625 | * drm_mode_destroy - remove a mode | |
626 | * @dev: DRM device | |
627 | * @mode: mode to remove | |
628 | * | |
629 | * LOCKING: | |
630 | * Caller must hold mode config lock. | |
631 | * | |
632 | * Free @mode's unique identifier, then free it. | |
633 | */ | |
634 | void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode) | |
635 | { | |
636 | drm_mode_object_put(dev, &mode->base); | |
637 | ||
638 | kfree(mode); | |
639 | } | |
640 | EXPORT_SYMBOL(drm_mode_destroy); | |
641 | ||
642 | static int drm_mode_create_standard_connector_properties(struct drm_device *dev) | |
643 | { | |
644 | struct drm_property *edid; | |
645 | struct drm_property *dpms; | |
646 | int i; | |
647 | ||
648 | /* | |
649 | * Standard properties (apply to all connectors) | |
650 | */ | |
651 | edid = drm_property_create(dev, DRM_MODE_PROP_BLOB | | |
652 | DRM_MODE_PROP_IMMUTABLE, | |
653 | "EDID", 0); | |
654 | dev->mode_config.edid_property = edid; | |
655 | ||
656 | dpms = drm_property_create(dev, DRM_MODE_PROP_ENUM, | |
657 | "DPMS", ARRAY_SIZE(drm_dpms_enum_list)); | |
658 | for (i = 0; i < ARRAY_SIZE(drm_dpms_enum_list); i++) | |
659 | drm_property_add_enum(dpms, i, drm_dpms_enum_list[i].type, | |
660 | drm_dpms_enum_list[i].name); | |
661 | dev->mode_config.dpms_property = dpms; | |
662 | ||
663 | return 0; | |
664 | } | |
665 | ||
666 | /** | |
667 | * drm_mode_create_dvi_i_properties - create DVI-I specific connector properties | |
668 | * @dev: DRM device | |
669 | * | |
670 | * Called by a driver the first time a DVI-I connector is made. | |
671 | */ | |
672 | int drm_mode_create_dvi_i_properties(struct drm_device *dev) | |
673 | { | |
674 | struct drm_property *dvi_i_selector; | |
675 | struct drm_property *dvi_i_subconnector; | |
676 | int i; | |
677 | ||
678 | if (dev->mode_config.dvi_i_select_subconnector_property) | |
679 | return 0; | |
680 | ||
681 | dvi_i_selector = | |
682 | drm_property_create(dev, DRM_MODE_PROP_ENUM, | |
683 | "select subconnector", | |
684 | ARRAY_SIZE(drm_dvi_i_select_enum_list)); | |
685 | for (i = 0; i < ARRAY_SIZE(drm_dvi_i_select_enum_list); i++) | |
686 | drm_property_add_enum(dvi_i_selector, i, | |
687 | drm_dvi_i_select_enum_list[i].type, | |
688 | drm_dvi_i_select_enum_list[i].name); | |
689 | dev->mode_config.dvi_i_select_subconnector_property = dvi_i_selector; | |
690 | ||
691 | dvi_i_subconnector = | |
692 | drm_property_create(dev, DRM_MODE_PROP_ENUM | | |
693 | DRM_MODE_PROP_IMMUTABLE, | |
694 | "subconnector", | |
695 | ARRAY_SIZE(drm_dvi_i_subconnector_enum_list)); | |
696 | for (i = 0; i < ARRAY_SIZE(drm_dvi_i_subconnector_enum_list); i++) | |
697 | drm_property_add_enum(dvi_i_subconnector, i, | |
698 | drm_dvi_i_subconnector_enum_list[i].type, | |
699 | drm_dvi_i_subconnector_enum_list[i].name); | |
700 | dev->mode_config.dvi_i_subconnector_property = dvi_i_subconnector; | |
701 | ||
702 | return 0; | |
703 | } | |
704 | EXPORT_SYMBOL(drm_mode_create_dvi_i_properties); | |
705 | ||
706 | /** | |
707 | * drm_create_tv_properties - create TV specific connector properties | |
708 | * @dev: DRM device | |
709 | * @num_modes: number of different TV formats (modes) supported | |
710 | * @modes: array of pointers to strings containing name of each format | |
711 | * | |
712 | * Called by a driver's TV initialization routine, this function creates | |
713 | * the TV specific connector properties for a given device. Caller is | |
714 | * responsible for allocating a list of format names and passing them to | |
715 | * this routine. | |
716 | */ | |
717 | int drm_mode_create_tv_properties(struct drm_device *dev, int num_modes, | |
718 | char *modes[]) | |
719 | { | |
720 | struct drm_property *tv_selector; | |
721 | struct drm_property *tv_subconnector; | |
722 | int i; | |
723 | ||
724 | if (dev->mode_config.tv_select_subconnector_property) | |
725 | return 0; | |
726 | ||
727 | /* | |
728 | * Basic connector properties | |
729 | */ | |
730 | tv_selector = drm_property_create(dev, DRM_MODE_PROP_ENUM, | |
731 | "select subconnector", | |
732 | ARRAY_SIZE(drm_tv_select_enum_list)); | |
733 | for (i = 0; i < ARRAY_SIZE(drm_tv_select_enum_list); i++) | |
734 | drm_property_add_enum(tv_selector, i, | |
735 | drm_tv_select_enum_list[i].type, | |
736 | drm_tv_select_enum_list[i].name); | |
737 | dev->mode_config.tv_select_subconnector_property = tv_selector; | |
738 | ||
739 | tv_subconnector = | |
740 | drm_property_create(dev, DRM_MODE_PROP_ENUM | | |
741 | DRM_MODE_PROP_IMMUTABLE, "subconnector", | |
742 | ARRAY_SIZE(drm_tv_subconnector_enum_list)); | |
743 | for (i = 0; i < ARRAY_SIZE(drm_tv_subconnector_enum_list); i++) | |
744 | drm_property_add_enum(tv_subconnector, i, | |
745 | drm_tv_subconnector_enum_list[i].type, | |
746 | drm_tv_subconnector_enum_list[i].name); | |
747 | dev->mode_config.tv_subconnector_property = tv_subconnector; | |
748 | ||
749 | /* | |
750 | * Other, TV specific properties: margins & TV modes. | |
751 | */ | |
752 | dev->mode_config.tv_left_margin_property = | |
753 | drm_property_create(dev, DRM_MODE_PROP_RANGE, | |
754 | "left margin", 2); | |
755 | dev->mode_config.tv_left_margin_property->values[0] = 0; | |
756 | dev->mode_config.tv_left_margin_property->values[1] = 100; | |
757 | ||
758 | dev->mode_config.tv_right_margin_property = | |
759 | drm_property_create(dev, DRM_MODE_PROP_RANGE, | |
760 | "right margin", 2); | |
761 | dev->mode_config.tv_right_margin_property->values[0] = 0; | |
762 | dev->mode_config.tv_right_margin_property->values[1] = 100; | |
763 | ||
764 | dev->mode_config.tv_top_margin_property = | |
765 | drm_property_create(dev, DRM_MODE_PROP_RANGE, | |
766 | "top margin", 2); | |
767 | dev->mode_config.tv_top_margin_property->values[0] = 0; | |
768 | dev->mode_config.tv_top_margin_property->values[1] = 100; | |
769 | ||
770 | dev->mode_config.tv_bottom_margin_property = | |
771 | drm_property_create(dev, DRM_MODE_PROP_RANGE, | |
772 | "bottom margin", 2); | |
773 | dev->mode_config.tv_bottom_margin_property->values[0] = 0; | |
774 | dev->mode_config.tv_bottom_margin_property->values[1] = 100; | |
775 | ||
776 | dev->mode_config.tv_mode_property = | |
777 | drm_property_create(dev, DRM_MODE_PROP_ENUM, | |
778 | "mode", num_modes); | |
779 | for (i = 0; i < num_modes; i++) | |
780 | drm_property_add_enum(dev->mode_config.tv_mode_property, i, | |
781 | i, modes[i]); | |
782 | ||
b6b7902e FJ |
783 | dev->mode_config.tv_brightness_property = |
784 | drm_property_create(dev, DRM_MODE_PROP_RANGE, | |
785 | "brightness", 2); | |
786 | dev->mode_config.tv_brightness_property->values[0] = 0; | |
787 | dev->mode_config.tv_brightness_property->values[1] = 100; | |
788 | ||
789 | dev->mode_config.tv_contrast_property = | |
790 | drm_property_create(dev, DRM_MODE_PROP_RANGE, | |
791 | "contrast", 2); | |
792 | dev->mode_config.tv_contrast_property->values[0] = 0; | |
793 | dev->mode_config.tv_contrast_property->values[1] = 100; | |
794 | ||
795 | dev->mode_config.tv_flicker_reduction_property = | |
796 | drm_property_create(dev, DRM_MODE_PROP_RANGE, | |
797 | "flicker reduction", 2); | |
798 | dev->mode_config.tv_flicker_reduction_property->values[0] = 0; | |
799 | dev->mode_config.tv_flicker_reduction_property->values[1] = 100; | |
800 | ||
a75f0236 FJ |
801 | dev->mode_config.tv_overscan_property = |
802 | drm_property_create(dev, DRM_MODE_PROP_RANGE, | |
803 | "overscan", 2); | |
804 | dev->mode_config.tv_overscan_property->values[0] = 0; | |
805 | dev->mode_config.tv_overscan_property->values[1] = 100; | |
806 | ||
807 | dev->mode_config.tv_saturation_property = | |
808 | drm_property_create(dev, DRM_MODE_PROP_RANGE, | |
809 | "saturation", 2); | |
810 | dev->mode_config.tv_saturation_property->values[0] = 0; | |
811 | dev->mode_config.tv_saturation_property->values[1] = 100; | |
812 | ||
813 | dev->mode_config.tv_hue_property = | |
814 | drm_property_create(dev, DRM_MODE_PROP_RANGE, | |
815 | "hue", 2); | |
816 | dev->mode_config.tv_hue_property->values[0] = 0; | |
817 | dev->mode_config.tv_hue_property->values[1] = 100; | |
818 | ||
f453ba04 DA |
819 | return 0; |
820 | } | |
821 | EXPORT_SYMBOL(drm_mode_create_tv_properties); | |
822 | ||
823 | /** | |
824 | * drm_mode_create_scaling_mode_property - create scaling mode property | |
825 | * @dev: DRM device | |
826 | * | |
827 | * Called by a driver the first time it's needed, must be attached to desired | |
828 | * connectors. | |
829 | */ | |
830 | int drm_mode_create_scaling_mode_property(struct drm_device *dev) | |
831 | { | |
832 | struct drm_property *scaling_mode; | |
833 | int i; | |
834 | ||
835 | if (dev->mode_config.scaling_mode_property) | |
836 | return 0; | |
837 | ||
838 | scaling_mode = | |
839 | drm_property_create(dev, DRM_MODE_PROP_ENUM, "scaling mode", | |
840 | ARRAY_SIZE(drm_scaling_mode_enum_list)); | |
841 | for (i = 0; i < ARRAY_SIZE(drm_scaling_mode_enum_list); i++) | |
842 | drm_property_add_enum(scaling_mode, i, | |
843 | drm_scaling_mode_enum_list[i].type, | |
844 | drm_scaling_mode_enum_list[i].name); | |
845 | ||
846 | dev->mode_config.scaling_mode_property = scaling_mode; | |
847 | ||
848 | return 0; | |
849 | } | |
850 | EXPORT_SYMBOL(drm_mode_create_scaling_mode_property); | |
851 | ||
852 | /** | |
853 | * drm_mode_create_dithering_property - create dithering property | |
854 | * @dev: DRM device | |
855 | * | |
856 | * Called by a driver the first time it's needed, must be attached to desired | |
857 | * connectors. | |
858 | */ | |
859 | int drm_mode_create_dithering_property(struct drm_device *dev) | |
860 | { | |
861 | struct drm_property *dithering_mode; | |
862 | int i; | |
863 | ||
864 | if (dev->mode_config.dithering_mode_property) | |
865 | return 0; | |
866 | ||
867 | dithering_mode = | |
868 | drm_property_create(dev, DRM_MODE_PROP_ENUM, "dithering", | |
869 | ARRAY_SIZE(drm_dithering_mode_enum_list)); | |
870 | for (i = 0; i < ARRAY_SIZE(drm_dithering_mode_enum_list); i++) | |
871 | drm_property_add_enum(dithering_mode, i, | |
872 | drm_dithering_mode_enum_list[i].type, | |
873 | drm_dithering_mode_enum_list[i].name); | |
874 | dev->mode_config.dithering_mode_property = dithering_mode; | |
875 | ||
876 | return 0; | |
877 | } | |
878 | EXPORT_SYMBOL(drm_mode_create_dithering_property); | |
879 | ||
884840aa JB |
880 | /** |
881 | * drm_mode_create_dirty_property - create dirty property | |
882 | * @dev: DRM device | |
883 | * | |
884 | * Called by a driver the first time it's needed, must be attached to desired | |
885 | * connectors. | |
886 | */ | |
887 | int drm_mode_create_dirty_info_property(struct drm_device *dev) | |
888 | { | |
889 | struct drm_property *dirty_info; | |
890 | int i; | |
891 | ||
892 | if (dev->mode_config.dirty_info_property) | |
893 | return 0; | |
894 | ||
895 | dirty_info = | |
896 | drm_property_create(dev, DRM_MODE_PROP_ENUM | | |
897 | DRM_MODE_PROP_IMMUTABLE, | |
898 | "dirty", | |
899 | ARRAY_SIZE(drm_dirty_info_enum_list)); | |
900 | for (i = 0; i < ARRAY_SIZE(drm_dirty_info_enum_list); i++) | |
901 | drm_property_add_enum(dirty_info, i, | |
902 | drm_dirty_info_enum_list[i].type, | |
903 | drm_dirty_info_enum_list[i].name); | |
904 | dev->mode_config.dirty_info_property = dirty_info; | |
905 | ||
906 | return 0; | |
907 | } | |
908 | EXPORT_SYMBOL(drm_mode_create_dirty_info_property); | |
909 | ||
f453ba04 DA |
910 | /** |
911 | * drm_mode_config_init - initialize DRM mode_configuration structure | |
912 | * @dev: DRM device | |
913 | * | |
914 | * LOCKING: | |
915 | * None, should happen single threaded at init time. | |
916 | * | |
917 | * Initialize @dev's mode_config structure, used for tracking the graphics | |
918 | * configuration of @dev. | |
919 | */ | |
920 | void drm_mode_config_init(struct drm_device *dev) | |
921 | { | |
922 | mutex_init(&dev->mode_config.mutex); | |
ad2563c2 | 923 | mutex_init(&dev->mode_config.idr_mutex); |
f453ba04 | 924 | INIT_LIST_HEAD(&dev->mode_config.fb_list); |
f453ba04 DA |
925 | INIT_LIST_HEAD(&dev->mode_config.crtc_list); |
926 | INIT_LIST_HEAD(&dev->mode_config.connector_list); | |
927 | INIT_LIST_HEAD(&dev->mode_config.encoder_list); | |
928 | INIT_LIST_HEAD(&dev->mode_config.property_list); | |
929 | INIT_LIST_HEAD(&dev->mode_config.property_blob_list); | |
8cf5c917 | 930 | INIT_LIST_HEAD(&dev->mode_config.plane_list); |
f453ba04 DA |
931 | idr_init(&dev->mode_config.crtc_idr); |
932 | ||
933 | mutex_lock(&dev->mode_config.mutex); | |
934 | drm_mode_create_standard_connector_properties(dev); | |
935 | mutex_unlock(&dev->mode_config.mutex); | |
936 | ||
937 | /* Just to be sure */ | |
938 | dev->mode_config.num_fb = 0; | |
939 | dev->mode_config.num_connector = 0; | |
940 | dev->mode_config.num_crtc = 0; | |
941 | dev->mode_config.num_encoder = 0; | |
f453ba04 DA |
942 | } |
943 | EXPORT_SYMBOL(drm_mode_config_init); | |
944 | ||
945 | int drm_mode_group_init(struct drm_device *dev, struct drm_mode_group *group) | |
946 | { | |
947 | uint32_t total_objects = 0; | |
948 | ||
949 | total_objects += dev->mode_config.num_crtc; | |
950 | total_objects += dev->mode_config.num_connector; | |
951 | total_objects += dev->mode_config.num_encoder; | |
952 | ||
f453ba04 DA |
953 | group->id_list = kzalloc(total_objects * sizeof(uint32_t), GFP_KERNEL); |
954 | if (!group->id_list) | |
955 | return -ENOMEM; | |
956 | ||
957 | group->num_crtcs = 0; | |
958 | group->num_connectors = 0; | |
959 | group->num_encoders = 0; | |
960 | return 0; | |
961 | } | |
962 | ||
963 | int drm_mode_group_init_legacy_group(struct drm_device *dev, | |
964 | struct drm_mode_group *group) | |
965 | { | |
966 | struct drm_crtc *crtc; | |
967 | struct drm_encoder *encoder; | |
968 | struct drm_connector *connector; | |
969 | int ret; | |
970 | ||
971 | if ((ret = drm_mode_group_init(dev, group))) | |
972 | return ret; | |
973 | ||
974 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) | |
975 | group->id_list[group->num_crtcs++] = crtc->base.id; | |
976 | ||
977 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) | |
978 | group->id_list[group->num_crtcs + group->num_encoders++] = | |
979 | encoder->base.id; | |
980 | ||
981 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) | |
982 | group->id_list[group->num_crtcs + group->num_encoders + | |
983 | group->num_connectors++] = connector->base.id; | |
984 | ||
985 | return 0; | |
986 | } | |
987 | ||
988 | /** | |
989 | * drm_mode_config_cleanup - free up DRM mode_config info | |
990 | * @dev: DRM device | |
991 | * | |
992 | * LOCKING: | |
993 | * Caller must hold mode config lock. | |
994 | * | |
995 | * Free up all the connectors and CRTCs associated with this DRM device, then | |
996 | * free up the framebuffers and associated buffer objects. | |
997 | * | |
998 | * FIXME: cleanup any dangling user buffer objects too | |
999 | */ | |
1000 | void drm_mode_config_cleanup(struct drm_device *dev) | |
1001 | { | |
1002 | struct drm_connector *connector, *ot; | |
1003 | struct drm_crtc *crtc, *ct; | |
1004 | struct drm_encoder *encoder, *enct; | |
1005 | struct drm_framebuffer *fb, *fbt; | |
1006 | struct drm_property *property, *pt; | |
8cf5c917 | 1007 | struct drm_plane *plane, *plt; |
f453ba04 DA |
1008 | |
1009 | list_for_each_entry_safe(encoder, enct, &dev->mode_config.encoder_list, | |
1010 | head) { | |
1011 | encoder->funcs->destroy(encoder); | |
1012 | } | |
1013 | ||
1014 | list_for_each_entry_safe(connector, ot, | |
1015 | &dev->mode_config.connector_list, head) { | |
1016 | connector->funcs->destroy(connector); | |
1017 | } | |
1018 | ||
1019 | list_for_each_entry_safe(property, pt, &dev->mode_config.property_list, | |
1020 | head) { | |
1021 | drm_property_destroy(dev, property); | |
1022 | } | |
1023 | ||
1024 | list_for_each_entry_safe(fb, fbt, &dev->mode_config.fb_list, head) { | |
1025 | fb->funcs->destroy(fb); | |
1026 | } | |
1027 | ||
1028 | list_for_each_entry_safe(crtc, ct, &dev->mode_config.crtc_list, head) { | |
1029 | crtc->funcs->destroy(crtc); | |
1030 | } | |
1031 | ||
8cf5c917 JB |
1032 | list_for_each_entry_safe(plane, plt, &dev->mode_config.plane_list, |
1033 | head) { | |
1034 | plane->funcs->destroy(plane); | |
1035 | } | |
f453ba04 DA |
1036 | } |
1037 | EXPORT_SYMBOL(drm_mode_config_cleanup); | |
1038 | ||
f453ba04 DA |
1039 | /** |
1040 | * drm_crtc_convert_to_umode - convert a drm_display_mode into a modeinfo | |
1041 | * @out: drm_mode_modeinfo struct to return to the user | |
1042 | * @in: drm_display_mode to use | |
1043 | * | |
1044 | * LOCKING: | |
1045 | * None. | |
1046 | * | |
1047 | * Convert a drm_display_mode into a drm_mode_modeinfo structure to return to | |
1048 | * the user. | |
1049 | */ | |
1050 | void drm_crtc_convert_to_umode(struct drm_mode_modeinfo *out, | |
1051 | struct drm_display_mode *in) | |
1052 | { | |
1053 | out->clock = in->clock; | |
1054 | out->hdisplay = in->hdisplay; | |
1055 | out->hsync_start = in->hsync_start; | |
1056 | out->hsync_end = in->hsync_end; | |
1057 | out->htotal = in->htotal; | |
1058 | out->hskew = in->hskew; | |
1059 | out->vdisplay = in->vdisplay; | |
1060 | out->vsync_start = in->vsync_start; | |
1061 | out->vsync_end = in->vsync_end; | |
1062 | out->vtotal = in->vtotal; | |
1063 | out->vscan = in->vscan; | |
1064 | out->vrefresh = in->vrefresh; | |
1065 | out->flags = in->flags; | |
1066 | out->type = in->type; | |
1067 | strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN); | |
1068 | out->name[DRM_DISPLAY_MODE_LEN-1] = 0; | |
1069 | } | |
1070 | ||
1071 | /** | |
1072 | * drm_crtc_convert_to_umode - convert a modeinfo into a drm_display_mode | |
1073 | * @out: drm_display_mode to return to the user | |
1074 | * @in: drm_mode_modeinfo to use | |
1075 | * | |
1076 | * LOCKING: | |
1077 | * None. | |
1078 | * | |
1079 | * Convert a drm_mode_modeinfo into a drm_display_mode structure to return to | |
1080 | * the caller. | |
1081 | */ | |
1082 | void drm_crtc_convert_umode(struct drm_display_mode *out, | |
1083 | struct drm_mode_modeinfo *in) | |
1084 | { | |
1085 | out->clock = in->clock; | |
1086 | out->hdisplay = in->hdisplay; | |
1087 | out->hsync_start = in->hsync_start; | |
1088 | out->hsync_end = in->hsync_end; | |
1089 | out->htotal = in->htotal; | |
1090 | out->hskew = in->hskew; | |
1091 | out->vdisplay = in->vdisplay; | |
1092 | out->vsync_start = in->vsync_start; | |
1093 | out->vsync_end = in->vsync_end; | |
1094 | out->vtotal = in->vtotal; | |
1095 | out->vscan = in->vscan; | |
1096 | out->vrefresh = in->vrefresh; | |
1097 | out->flags = in->flags; | |
1098 | out->type = in->type; | |
1099 | strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN); | |
1100 | out->name[DRM_DISPLAY_MODE_LEN-1] = 0; | |
1101 | } | |
1102 | ||
1103 | /** | |
1104 | * drm_mode_getresources - get graphics configuration | |
1105 | * @inode: inode from the ioctl | |
1106 | * @filp: file * from the ioctl | |
1107 | * @cmd: cmd from ioctl | |
1108 | * @arg: arg from ioctl | |
1109 | * | |
1110 | * LOCKING: | |
1111 | * Takes mode config lock. | |
1112 | * | |
1113 | * Construct a set of configuration description structures and return | |
1114 | * them to the user, including CRTC, connector and framebuffer configuration. | |
1115 | * | |
1116 | * Called by the user via ioctl. | |
1117 | * | |
1118 | * RETURNS: | |
1119 | * Zero on success, errno on failure. | |
1120 | */ | |
1121 | int drm_mode_getresources(struct drm_device *dev, void *data, | |
1122 | struct drm_file *file_priv) | |
1123 | { | |
1124 | struct drm_mode_card_res *card_res = data; | |
1125 | struct list_head *lh; | |
1126 | struct drm_framebuffer *fb; | |
1127 | struct drm_connector *connector; | |
1128 | struct drm_crtc *crtc; | |
1129 | struct drm_encoder *encoder; | |
1130 | int ret = 0; | |
1131 | int connector_count = 0; | |
1132 | int crtc_count = 0; | |
1133 | int fb_count = 0; | |
1134 | int encoder_count = 0; | |
1135 | int copied = 0, i; | |
1136 | uint32_t __user *fb_id; | |
1137 | uint32_t __user *crtc_id; | |
1138 | uint32_t __user *connector_id; | |
1139 | uint32_t __user *encoder_id; | |
1140 | struct drm_mode_group *mode_group; | |
1141 | ||
fb3b06c8 DA |
1142 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1143 | return -EINVAL; | |
1144 | ||
f453ba04 DA |
1145 | mutex_lock(&dev->mode_config.mutex); |
1146 | ||
1147 | /* | |
1148 | * For the non-control nodes we need to limit the list of resources | |
1149 | * by IDs in the group list for this node | |
1150 | */ | |
1151 | list_for_each(lh, &file_priv->fbs) | |
1152 | fb_count++; | |
1153 | ||
1154 | mode_group = &file_priv->master->minor->mode_group; | |
1155 | if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { | |
1156 | ||
1157 | list_for_each(lh, &dev->mode_config.crtc_list) | |
1158 | crtc_count++; | |
1159 | ||
1160 | list_for_each(lh, &dev->mode_config.connector_list) | |
1161 | connector_count++; | |
1162 | ||
1163 | list_for_each(lh, &dev->mode_config.encoder_list) | |
1164 | encoder_count++; | |
1165 | } else { | |
1166 | ||
1167 | crtc_count = mode_group->num_crtcs; | |
1168 | connector_count = mode_group->num_connectors; | |
1169 | encoder_count = mode_group->num_encoders; | |
1170 | } | |
1171 | ||
1172 | card_res->max_height = dev->mode_config.max_height; | |
1173 | card_res->min_height = dev->mode_config.min_height; | |
1174 | card_res->max_width = dev->mode_config.max_width; | |
1175 | card_res->min_width = dev->mode_config.min_width; | |
1176 | ||
1177 | /* handle this in 4 parts */ | |
1178 | /* FBs */ | |
1179 | if (card_res->count_fbs >= fb_count) { | |
1180 | copied = 0; | |
1181 | fb_id = (uint32_t __user *)(unsigned long)card_res->fb_id_ptr; | |
618c75e4 | 1182 | list_for_each_entry(fb, &file_priv->fbs, filp_head) { |
f453ba04 DA |
1183 | if (put_user(fb->base.id, fb_id + copied)) { |
1184 | ret = -EFAULT; | |
1185 | goto out; | |
1186 | } | |
1187 | copied++; | |
1188 | } | |
1189 | } | |
1190 | card_res->count_fbs = fb_count; | |
1191 | ||
1192 | /* CRTCs */ | |
1193 | if (card_res->count_crtcs >= crtc_count) { | |
1194 | copied = 0; | |
1195 | crtc_id = (uint32_t __user *)(unsigned long)card_res->crtc_id_ptr; | |
1196 | if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { | |
1197 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, | |
1198 | head) { | |
9440106b | 1199 | DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id); |
f453ba04 DA |
1200 | if (put_user(crtc->base.id, crtc_id + copied)) { |
1201 | ret = -EFAULT; | |
1202 | goto out; | |
1203 | } | |
1204 | copied++; | |
1205 | } | |
1206 | } else { | |
1207 | for (i = 0; i < mode_group->num_crtcs; i++) { | |
1208 | if (put_user(mode_group->id_list[i], | |
1209 | crtc_id + copied)) { | |
1210 | ret = -EFAULT; | |
1211 | goto out; | |
1212 | } | |
1213 | copied++; | |
1214 | } | |
1215 | } | |
1216 | } | |
1217 | card_res->count_crtcs = crtc_count; | |
1218 | ||
1219 | /* Encoders */ | |
1220 | if (card_res->count_encoders >= encoder_count) { | |
1221 | copied = 0; | |
1222 | encoder_id = (uint32_t __user *)(unsigned long)card_res->encoder_id_ptr; | |
1223 | if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { | |
1224 | list_for_each_entry(encoder, | |
1225 | &dev->mode_config.encoder_list, | |
1226 | head) { | |
9440106b JG |
1227 | DRM_DEBUG_KMS("[ENCODER:%d:%s]\n", encoder->base.id, |
1228 | drm_get_encoder_name(encoder)); | |
f453ba04 DA |
1229 | if (put_user(encoder->base.id, encoder_id + |
1230 | copied)) { | |
1231 | ret = -EFAULT; | |
1232 | goto out; | |
1233 | } | |
1234 | copied++; | |
1235 | } | |
1236 | } else { | |
1237 | for (i = mode_group->num_crtcs; i < mode_group->num_crtcs + mode_group->num_encoders; i++) { | |
1238 | if (put_user(mode_group->id_list[i], | |
1239 | encoder_id + copied)) { | |
1240 | ret = -EFAULT; | |
1241 | goto out; | |
1242 | } | |
1243 | copied++; | |
1244 | } | |
1245 | ||
1246 | } | |
1247 | } | |
1248 | card_res->count_encoders = encoder_count; | |
1249 | ||
1250 | /* Connectors */ | |
1251 | if (card_res->count_connectors >= connector_count) { | |
1252 | copied = 0; | |
1253 | connector_id = (uint32_t __user *)(unsigned long)card_res->connector_id_ptr; | |
1254 | if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { | |
1255 | list_for_each_entry(connector, | |
1256 | &dev->mode_config.connector_list, | |
1257 | head) { | |
9440106b JG |
1258 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", |
1259 | connector->base.id, | |
1260 | drm_get_connector_name(connector)); | |
f453ba04 DA |
1261 | if (put_user(connector->base.id, |
1262 | connector_id + copied)) { | |
1263 | ret = -EFAULT; | |
1264 | goto out; | |
1265 | } | |
1266 | copied++; | |
1267 | } | |
1268 | } else { | |
1269 | int start = mode_group->num_crtcs + | |
1270 | mode_group->num_encoders; | |
1271 | for (i = start; i < start + mode_group->num_connectors; i++) { | |
1272 | if (put_user(mode_group->id_list[i], | |
1273 | connector_id + copied)) { | |
1274 | ret = -EFAULT; | |
1275 | goto out; | |
1276 | } | |
1277 | copied++; | |
1278 | } | |
1279 | } | |
1280 | } | |
1281 | card_res->count_connectors = connector_count; | |
1282 | ||
9440106b | 1283 | DRM_DEBUG_KMS("CRTC[%d] CONNECTORS[%d] ENCODERS[%d]\n", card_res->count_crtcs, |
f453ba04 DA |
1284 | card_res->count_connectors, card_res->count_encoders); |
1285 | ||
1286 | out: | |
1287 | mutex_unlock(&dev->mode_config.mutex); | |
1288 | return ret; | |
1289 | } | |
1290 | ||
1291 | /** | |
1292 | * drm_mode_getcrtc - get CRTC configuration | |
1293 | * @inode: inode from the ioctl | |
1294 | * @filp: file * from the ioctl | |
1295 | * @cmd: cmd from ioctl | |
1296 | * @arg: arg from ioctl | |
1297 | * | |
1298 | * LOCKING: | |
1299 | * Caller? (FIXME) | |
1300 | * | |
1301 | * Construct a CRTC configuration structure to return to the user. | |
1302 | * | |
1303 | * Called by the user via ioctl. | |
1304 | * | |
1305 | * RETURNS: | |
1306 | * Zero on success, errno on failure. | |
1307 | */ | |
1308 | int drm_mode_getcrtc(struct drm_device *dev, | |
1309 | void *data, struct drm_file *file_priv) | |
1310 | { | |
1311 | struct drm_mode_crtc *crtc_resp = data; | |
1312 | struct drm_crtc *crtc; | |
1313 | struct drm_mode_object *obj; | |
1314 | int ret = 0; | |
1315 | ||
fb3b06c8 DA |
1316 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1317 | return -EINVAL; | |
1318 | ||
f453ba04 DA |
1319 | mutex_lock(&dev->mode_config.mutex); |
1320 | ||
1321 | obj = drm_mode_object_find(dev, crtc_resp->crtc_id, | |
1322 | DRM_MODE_OBJECT_CRTC); | |
1323 | if (!obj) { | |
1324 | ret = -EINVAL; | |
1325 | goto out; | |
1326 | } | |
1327 | crtc = obj_to_crtc(obj); | |
1328 | ||
1329 | crtc_resp->x = crtc->x; | |
1330 | crtc_resp->y = crtc->y; | |
1331 | crtc_resp->gamma_size = crtc->gamma_size; | |
1332 | if (crtc->fb) | |
1333 | crtc_resp->fb_id = crtc->fb->base.id; | |
1334 | else | |
1335 | crtc_resp->fb_id = 0; | |
1336 | ||
1337 | if (crtc->enabled) { | |
1338 | ||
1339 | drm_crtc_convert_to_umode(&crtc_resp->mode, &crtc->mode); | |
1340 | crtc_resp->mode_valid = 1; | |
1341 | ||
1342 | } else { | |
1343 | crtc_resp->mode_valid = 0; | |
1344 | } | |
1345 | ||
1346 | out: | |
1347 | mutex_unlock(&dev->mode_config.mutex); | |
1348 | return ret; | |
1349 | } | |
1350 | ||
1351 | /** | |
1352 | * drm_mode_getconnector - get connector configuration | |
1353 | * @inode: inode from the ioctl | |
1354 | * @filp: file * from the ioctl | |
1355 | * @cmd: cmd from ioctl | |
1356 | * @arg: arg from ioctl | |
1357 | * | |
1358 | * LOCKING: | |
1359 | * Caller? (FIXME) | |
1360 | * | |
1361 | * Construct a connector configuration structure to return to the user. | |
1362 | * | |
1363 | * Called by the user via ioctl. | |
1364 | * | |
1365 | * RETURNS: | |
1366 | * Zero on success, errno on failure. | |
1367 | */ | |
1368 | int drm_mode_getconnector(struct drm_device *dev, void *data, | |
1369 | struct drm_file *file_priv) | |
1370 | { | |
1371 | struct drm_mode_get_connector *out_resp = data; | |
1372 | struct drm_mode_object *obj; | |
1373 | struct drm_connector *connector; | |
1374 | struct drm_display_mode *mode; | |
1375 | int mode_count = 0; | |
1376 | int props_count = 0; | |
1377 | int encoders_count = 0; | |
1378 | int ret = 0; | |
1379 | int copied = 0; | |
1380 | int i; | |
1381 | struct drm_mode_modeinfo u_mode; | |
1382 | struct drm_mode_modeinfo __user *mode_ptr; | |
1383 | uint32_t __user *prop_ptr; | |
1384 | uint64_t __user *prop_values; | |
1385 | uint32_t __user *encoder_ptr; | |
1386 | ||
fb3b06c8 DA |
1387 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1388 | return -EINVAL; | |
1389 | ||
f453ba04 DA |
1390 | memset(&u_mode, 0, sizeof(struct drm_mode_modeinfo)); |
1391 | ||
9440106b | 1392 | DRM_DEBUG_KMS("[CONNECTOR:%d:?]\n", out_resp->connector_id); |
f453ba04 DA |
1393 | |
1394 | mutex_lock(&dev->mode_config.mutex); | |
1395 | ||
1396 | obj = drm_mode_object_find(dev, out_resp->connector_id, | |
1397 | DRM_MODE_OBJECT_CONNECTOR); | |
1398 | if (!obj) { | |
1399 | ret = -EINVAL; | |
1400 | goto out; | |
1401 | } | |
1402 | connector = obj_to_connector(obj); | |
1403 | ||
1404 | for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { | |
1405 | if (connector->property_ids[i] != 0) { | |
1406 | props_count++; | |
1407 | } | |
1408 | } | |
1409 | ||
1410 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { | |
1411 | if (connector->encoder_ids[i] != 0) { | |
1412 | encoders_count++; | |
1413 | } | |
1414 | } | |
1415 | ||
1416 | if (out_resp->count_modes == 0) { | |
1417 | connector->funcs->fill_modes(connector, | |
1418 | dev->mode_config.max_width, | |
1419 | dev->mode_config.max_height); | |
1420 | } | |
1421 | ||
1422 | /* delayed so we get modes regardless of pre-fill_modes state */ | |
1423 | list_for_each_entry(mode, &connector->modes, head) | |
1424 | mode_count++; | |
1425 | ||
1426 | out_resp->connector_id = connector->base.id; | |
1427 | out_resp->connector_type = connector->connector_type; | |
1428 | out_resp->connector_type_id = connector->connector_type_id; | |
1429 | out_resp->mm_width = connector->display_info.width_mm; | |
1430 | out_resp->mm_height = connector->display_info.height_mm; | |
1431 | out_resp->subpixel = connector->display_info.subpixel_order; | |
1432 | out_resp->connection = connector->status; | |
1433 | if (connector->encoder) | |
1434 | out_resp->encoder_id = connector->encoder->base.id; | |
1435 | else | |
1436 | out_resp->encoder_id = 0; | |
1437 | ||
1438 | /* | |
1439 | * This ioctl is called twice, once to determine how much space is | |
1440 | * needed, and the 2nd time to fill it. | |
1441 | */ | |
1442 | if ((out_resp->count_modes >= mode_count) && mode_count) { | |
1443 | copied = 0; | |
81f6c7f8 | 1444 | mode_ptr = (struct drm_mode_modeinfo __user *)(unsigned long)out_resp->modes_ptr; |
f453ba04 DA |
1445 | list_for_each_entry(mode, &connector->modes, head) { |
1446 | drm_crtc_convert_to_umode(&u_mode, mode); | |
1447 | if (copy_to_user(mode_ptr + copied, | |
1448 | &u_mode, sizeof(u_mode))) { | |
1449 | ret = -EFAULT; | |
1450 | goto out; | |
1451 | } | |
1452 | copied++; | |
1453 | } | |
1454 | } | |
1455 | out_resp->count_modes = mode_count; | |
1456 | ||
1457 | if ((out_resp->count_props >= props_count) && props_count) { | |
1458 | copied = 0; | |
81f6c7f8 VS |
1459 | prop_ptr = (uint32_t __user *)(unsigned long)(out_resp->props_ptr); |
1460 | prop_values = (uint64_t __user *)(unsigned long)(out_resp->prop_values_ptr); | |
f453ba04 DA |
1461 | for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { |
1462 | if (connector->property_ids[i] != 0) { | |
1463 | if (put_user(connector->property_ids[i], | |
1464 | prop_ptr + copied)) { | |
1465 | ret = -EFAULT; | |
1466 | goto out; | |
1467 | } | |
1468 | ||
1469 | if (put_user(connector->property_values[i], | |
1470 | prop_values + copied)) { | |
1471 | ret = -EFAULT; | |
1472 | goto out; | |
1473 | } | |
1474 | copied++; | |
1475 | } | |
1476 | } | |
1477 | } | |
1478 | out_resp->count_props = props_count; | |
1479 | ||
1480 | if ((out_resp->count_encoders >= encoders_count) && encoders_count) { | |
1481 | copied = 0; | |
81f6c7f8 | 1482 | encoder_ptr = (uint32_t __user *)(unsigned long)(out_resp->encoders_ptr); |
f453ba04 DA |
1483 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { |
1484 | if (connector->encoder_ids[i] != 0) { | |
1485 | if (put_user(connector->encoder_ids[i], | |
1486 | encoder_ptr + copied)) { | |
1487 | ret = -EFAULT; | |
1488 | goto out; | |
1489 | } | |
1490 | copied++; | |
1491 | } | |
1492 | } | |
1493 | } | |
1494 | out_resp->count_encoders = encoders_count; | |
1495 | ||
1496 | out: | |
1497 | mutex_unlock(&dev->mode_config.mutex); | |
1498 | return ret; | |
1499 | } | |
1500 | ||
1501 | int drm_mode_getencoder(struct drm_device *dev, void *data, | |
1502 | struct drm_file *file_priv) | |
1503 | { | |
1504 | struct drm_mode_get_encoder *enc_resp = data; | |
1505 | struct drm_mode_object *obj; | |
1506 | struct drm_encoder *encoder; | |
1507 | int ret = 0; | |
1508 | ||
fb3b06c8 DA |
1509 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1510 | return -EINVAL; | |
1511 | ||
f453ba04 DA |
1512 | mutex_lock(&dev->mode_config.mutex); |
1513 | obj = drm_mode_object_find(dev, enc_resp->encoder_id, | |
1514 | DRM_MODE_OBJECT_ENCODER); | |
1515 | if (!obj) { | |
1516 | ret = -EINVAL; | |
1517 | goto out; | |
1518 | } | |
1519 | encoder = obj_to_encoder(obj); | |
1520 | ||
1521 | if (encoder->crtc) | |
1522 | enc_resp->crtc_id = encoder->crtc->base.id; | |
1523 | else | |
1524 | enc_resp->crtc_id = 0; | |
1525 | enc_resp->encoder_type = encoder->encoder_type; | |
1526 | enc_resp->encoder_id = encoder->base.id; | |
1527 | enc_resp->possible_crtcs = encoder->possible_crtcs; | |
1528 | enc_resp->possible_clones = encoder->possible_clones; | |
1529 | ||
1530 | out: | |
1531 | mutex_unlock(&dev->mode_config.mutex); | |
1532 | return ret; | |
1533 | } | |
1534 | ||
8cf5c917 JB |
1535 | /** |
1536 | * drm_mode_getplane_res - get plane info | |
1537 | * @dev: DRM device | |
1538 | * @data: ioctl data | |
1539 | * @file_priv: DRM file info | |
1540 | * | |
1541 | * Return an plane count and set of IDs. | |
1542 | */ | |
1543 | int drm_mode_getplane_res(struct drm_device *dev, void *data, | |
1544 | struct drm_file *file_priv) | |
1545 | { | |
1546 | struct drm_mode_get_plane_res *plane_resp = data; | |
1547 | struct drm_mode_config *config; | |
1548 | struct drm_plane *plane; | |
1549 | uint32_t __user *plane_ptr; | |
1550 | int copied = 0, ret = 0; | |
1551 | ||
1552 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) | |
1553 | return -EINVAL; | |
1554 | ||
1555 | mutex_lock(&dev->mode_config.mutex); | |
1556 | config = &dev->mode_config; | |
1557 | ||
1558 | /* | |
1559 | * This ioctl is called twice, once to determine how much space is | |
1560 | * needed, and the 2nd time to fill it. | |
1561 | */ | |
1562 | if (config->num_plane && | |
1563 | (plane_resp->count_planes >= config->num_plane)) { | |
81f6c7f8 | 1564 | plane_ptr = (uint32_t __user *)(unsigned long)plane_resp->plane_id_ptr; |
8cf5c917 JB |
1565 | |
1566 | list_for_each_entry(plane, &config->plane_list, head) { | |
1567 | if (put_user(plane->base.id, plane_ptr + copied)) { | |
1568 | ret = -EFAULT; | |
1569 | goto out; | |
1570 | } | |
1571 | copied++; | |
1572 | } | |
1573 | } | |
1574 | plane_resp->count_planes = config->num_plane; | |
1575 | ||
1576 | out: | |
1577 | mutex_unlock(&dev->mode_config.mutex); | |
1578 | return ret; | |
1579 | } | |
1580 | ||
1581 | /** | |
1582 | * drm_mode_getplane - get plane info | |
1583 | * @dev: DRM device | |
1584 | * @data: ioctl data | |
1585 | * @file_priv: DRM file info | |
1586 | * | |
1587 | * Return plane info, including formats supported, gamma size, any | |
1588 | * current fb, etc. | |
1589 | */ | |
1590 | int drm_mode_getplane(struct drm_device *dev, void *data, | |
1591 | struct drm_file *file_priv) | |
1592 | { | |
1593 | struct drm_mode_get_plane *plane_resp = data; | |
1594 | struct drm_mode_object *obj; | |
1595 | struct drm_plane *plane; | |
1596 | uint32_t __user *format_ptr; | |
1597 | int ret = 0; | |
1598 | ||
1599 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) | |
1600 | return -EINVAL; | |
1601 | ||
1602 | mutex_lock(&dev->mode_config.mutex); | |
1603 | obj = drm_mode_object_find(dev, plane_resp->plane_id, | |
1604 | DRM_MODE_OBJECT_PLANE); | |
1605 | if (!obj) { | |
1606 | ret = -ENOENT; | |
1607 | goto out; | |
1608 | } | |
1609 | plane = obj_to_plane(obj); | |
1610 | ||
1611 | if (plane->crtc) | |
1612 | plane_resp->crtc_id = plane->crtc->base.id; | |
1613 | else | |
1614 | plane_resp->crtc_id = 0; | |
1615 | ||
1616 | if (plane->fb) | |
1617 | plane_resp->fb_id = plane->fb->base.id; | |
1618 | else | |
1619 | plane_resp->fb_id = 0; | |
1620 | ||
1621 | plane_resp->plane_id = plane->base.id; | |
1622 | plane_resp->possible_crtcs = plane->possible_crtcs; | |
1623 | plane_resp->gamma_size = plane->gamma_size; | |
1624 | ||
1625 | /* | |
1626 | * This ioctl is called twice, once to determine how much space is | |
1627 | * needed, and the 2nd time to fill it. | |
1628 | */ | |
1629 | if (plane->format_count && | |
1630 | (plane_resp->count_format_types >= plane->format_count)) { | |
81f6c7f8 | 1631 | format_ptr = (uint32_t __user *)(unsigned long)plane_resp->format_type_ptr; |
8cf5c917 JB |
1632 | if (copy_to_user(format_ptr, |
1633 | plane->format_types, | |
1634 | sizeof(uint32_t) * plane->format_count)) { | |
1635 | ret = -EFAULT; | |
1636 | goto out; | |
1637 | } | |
1638 | } | |
1639 | plane_resp->count_format_types = plane->format_count; | |
1640 | ||
1641 | out: | |
1642 | mutex_unlock(&dev->mode_config.mutex); | |
1643 | return ret; | |
1644 | } | |
1645 | ||
1646 | /** | |
1647 | * drm_mode_setplane - set up or tear down an plane | |
1648 | * @dev: DRM device | |
1649 | * @data: ioctl data* | |
1650 | * @file_prive: DRM file info | |
1651 | * | |
1652 | * Set plane info, including placement, fb, scaling, and other factors. | |
1653 | * Or pass a NULL fb to disable. | |
1654 | */ | |
1655 | int drm_mode_setplane(struct drm_device *dev, void *data, | |
1656 | struct drm_file *file_priv) | |
1657 | { | |
1658 | struct drm_mode_set_plane *plane_req = data; | |
1659 | struct drm_mode_object *obj; | |
1660 | struct drm_plane *plane; | |
1661 | struct drm_crtc *crtc; | |
1662 | struct drm_framebuffer *fb; | |
1663 | int ret = 0; | |
1664 | ||
1665 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) | |
1666 | return -EINVAL; | |
1667 | ||
1668 | mutex_lock(&dev->mode_config.mutex); | |
1669 | ||
1670 | /* | |
1671 | * First, find the plane, crtc, and fb objects. If not available, | |
1672 | * we don't bother to call the driver. | |
1673 | */ | |
1674 | obj = drm_mode_object_find(dev, plane_req->plane_id, | |
1675 | DRM_MODE_OBJECT_PLANE); | |
1676 | if (!obj) { | |
1677 | DRM_DEBUG_KMS("Unknown plane ID %d\n", | |
1678 | plane_req->plane_id); | |
1679 | ret = -ENOENT; | |
1680 | goto out; | |
1681 | } | |
1682 | plane = obj_to_plane(obj); | |
1683 | ||
1684 | /* No fb means shut it down */ | |
1685 | if (!plane_req->fb_id) { | |
1686 | plane->funcs->disable_plane(plane); | |
1687 | goto out; | |
1688 | } | |
1689 | ||
1690 | obj = drm_mode_object_find(dev, plane_req->crtc_id, | |
1691 | DRM_MODE_OBJECT_CRTC); | |
1692 | if (!obj) { | |
1693 | DRM_DEBUG_KMS("Unknown crtc ID %d\n", | |
1694 | plane_req->crtc_id); | |
1695 | ret = -ENOENT; | |
1696 | goto out; | |
1697 | } | |
1698 | crtc = obj_to_crtc(obj); | |
1699 | ||
1700 | obj = drm_mode_object_find(dev, plane_req->fb_id, | |
1701 | DRM_MODE_OBJECT_FB); | |
1702 | if (!obj) { | |
1703 | DRM_DEBUG_KMS("Unknown framebuffer ID %d\n", | |
1704 | plane_req->fb_id); | |
1705 | ret = -ENOENT; | |
1706 | goto out; | |
1707 | } | |
1708 | fb = obj_to_fb(obj); | |
1709 | ||
1710 | ret = plane->funcs->update_plane(plane, crtc, fb, | |
1711 | plane_req->crtc_x, plane_req->crtc_y, | |
1712 | plane_req->crtc_w, plane_req->crtc_h, | |
1713 | plane_req->src_x, plane_req->src_y, | |
1714 | plane_req->src_w, plane_req->src_h); | |
1715 | if (!ret) { | |
1716 | plane->crtc = crtc; | |
1717 | plane->fb = fb; | |
1718 | } | |
1719 | ||
1720 | out: | |
1721 | mutex_unlock(&dev->mode_config.mutex); | |
1722 | ||
1723 | return ret; | |
1724 | } | |
1725 | ||
f453ba04 DA |
1726 | /** |
1727 | * drm_mode_setcrtc - set CRTC configuration | |
1728 | * @inode: inode from the ioctl | |
1729 | * @filp: file * from the ioctl | |
1730 | * @cmd: cmd from ioctl | |
1731 | * @arg: arg from ioctl | |
1732 | * | |
1733 | * LOCKING: | |
1734 | * Caller? (FIXME) | |
1735 | * | |
1736 | * Build a new CRTC configuration based on user request. | |
1737 | * | |
1738 | * Called by the user via ioctl. | |
1739 | * | |
1740 | * RETURNS: | |
1741 | * Zero on success, errno on failure. | |
1742 | */ | |
1743 | int drm_mode_setcrtc(struct drm_device *dev, void *data, | |
1744 | struct drm_file *file_priv) | |
1745 | { | |
1746 | struct drm_mode_config *config = &dev->mode_config; | |
1747 | struct drm_mode_crtc *crtc_req = data; | |
1748 | struct drm_mode_object *obj; | |
1749 | struct drm_crtc *crtc, *crtcfb; | |
1750 | struct drm_connector **connector_set = NULL, *connector; | |
1751 | struct drm_framebuffer *fb = NULL; | |
1752 | struct drm_display_mode *mode = NULL; | |
1753 | struct drm_mode_set set; | |
1754 | uint32_t __user *set_connectors_ptr; | |
1755 | int ret = 0; | |
1756 | int i; | |
1757 | ||
fb3b06c8 DA |
1758 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1759 | return -EINVAL; | |
1760 | ||
f453ba04 DA |
1761 | mutex_lock(&dev->mode_config.mutex); |
1762 | obj = drm_mode_object_find(dev, crtc_req->crtc_id, | |
1763 | DRM_MODE_OBJECT_CRTC); | |
1764 | if (!obj) { | |
58367ed6 | 1765 | DRM_DEBUG_KMS("Unknown CRTC ID %d\n", crtc_req->crtc_id); |
f453ba04 DA |
1766 | ret = -EINVAL; |
1767 | goto out; | |
1768 | } | |
1769 | crtc = obj_to_crtc(obj); | |
9440106b | 1770 | DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id); |
f453ba04 DA |
1771 | |
1772 | if (crtc_req->mode_valid) { | |
1773 | /* If we have a mode we need a framebuffer. */ | |
1774 | /* If we pass -1, set the mode with the currently bound fb */ | |
1775 | if (crtc_req->fb_id == -1) { | |
1776 | list_for_each_entry(crtcfb, | |
1777 | &dev->mode_config.crtc_list, head) { | |
1778 | if (crtcfb == crtc) { | |
58367ed6 ZY |
1779 | DRM_DEBUG_KMS("Using current fb for " |
1780 | "setmode\n"); | |
f453ba04 DA |
1781 | fb = crtc->fb; |
1782 | } | |
1783 | } | |
1784 | } else { | |
1785 | obj = drm_mode_object_find(dev, crtc_req->fb_id, | |
1786 | DRM_MODE_OBJECT_FB); | |
1787 | if (!obj) { | |
58367ed6 ZY |
1788 | DRM_DEBUG_KMS("Unknown FB ID%d\n", |
1789 | crtc_req->fb_id); | |
f453ba04 DA |
1790 | ret = -EINVAL; |
1791 | goto out; | |
1792 | } | |
1793 | fb = obj_to_fb(obj); | |
1794 | } | |
1795 | ||
1796 | mode = drm_mode_create(dev); | |
1797 | drm_crtc_convert_umode(mode, &crtc_req->mode); | |
1798 | drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V); | |
1799 | } | |
1800 | ||
1801 | if (crtc_req->count_connectors == 0 && mode) { | |
58367ed6 | 1802 | DRM_DEBUG_KMS("Count connectors is 0 but mode set\n"); |
f453ba04 DA |
1803 | ret = -EINVAL; |
1804 | goto out; | |
1805 | } | |
1806 | ||
7781de74 | 1807 | if (crtc_req->count_connectors > 0 && (!mode || !fb)) { |
58367ed6 | 1808 | DRM_DEBUG_KMS("Count connectors is %d but no mode or fb set\n", |
f453ba04 DA |
1809 | crtc_req->count_connectors); |
1810 | ret = -EINVAL; | |
1811 | goto out; | |
1812 | } | |
1813 | ||
1814 | if (crtc_req->count_connectors > 0) { | |
1815 | u32 out_id; | |
1816 | ||
1817 | /* Avoid unbounded kernel memory allocation */ | |
1818 | if (crtc_req->count_connectors > config->num_connector) { | |
1819 | ret = -EINVAL; | |
1820 | goto out; | |
1821 | } | |
1822 | ||
1823 | connector_set = kmalloc(crtc_req->count_connectors * | |
1824 | sizeof(struct drm_connector *), | |
1825 | GFP_KERNEL); | |
1826 | if (!connector_set) { | |
1827 | ret = -ENOMEM; | |
1828 | goto out; | |
1829 | } | |
1830 | ||
1831 | for (i = 0; i < crtc_req->count_connectors; i++) { | |
81f6c7f8 | 1832 | set_connectors_ptr = (uint32_t __user *)(unsigned long)crtc_req->set_connectors_ptr; |
f453ba04 DA |
1833 | if (get_user(out_id, &set_connectors_ptr[i])) { |
1834 | ret = -EFAULT; | |
1835 | goto out; | |
1836 | } | |
1837 | ||
1838 | obj = drm_mode_object_find(dev, out_id, | |
1839 | DRM_MODE_OBJECT_CONNECTOR); | |
1840 | if (!obj) { | |
58367ed6 ZY |
1841 | DRM_DEBUG_KMS("Connector id %d unknown\n", |
1842 | out_id); | |
f453ba04 DA |
1843 | ret = -EINVAL; |
1844 | goto out; | |
1845 | } | |
1846 | connector = obj_to_connector(obj); | |
9440106b JG |
1847 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", |
1848 | connector->base.id, | |
1849 | drm_get_connector_name(connector)); | |
f453ba04 DA |
1850 | |
1851 | connector_set[i] = connector; | |
1852 | } | |
1853 | } | |
1854 | ||
1855 | set.crtc = crtc; | |
1856 | set.x = crtc_req->x; | |
1857 | set.y = crtc_req->y; | |
1858 | set.mode = mode; | |
1859 | set.connectors = connector_set; | |
1860 | set.num_connectors = crtc_req->count_connectors; | |
5ef5f72f | 1861 | set.fb = fb; |
f453ba04 DA |
1862 | ret = crtc->funcs->set_config(&set); |
1863 | ||
1864 | out: | |
1865 | kfree(connector_set); | |
1866 | mutex_unlock(&dev->mode_config.mutex); | |
1867 | return ret; | |
1868 | } | |
1869 | ||
1870 | int drm_mode_cursor_ioctl(struct drm_device *dev, | |
1871 | void *data, struct drm_file *file_priv) | |
1872 | { | |
1873 | struct drm_mode_cursor *req = data; | |
1874 | struct drm_mode_object *obj; | |
1875 | struct drm_crtc *crtc; | |
1876 | int ret = 0; | |
1877 | ||
fb3b06c8 DA |
1878 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1879 | return -EINVAL; | |
1880 | ||
acb4b992 | 1881 | if (!req->flags) |
f453ba04 | 1882 | return -EINVAL; |
f453ba04 DA |
1883 | |
1884 | mutex_lock(&dev->mode_config.mutex); | |
e0c8463a | 1885 | obj = drm_mode_object_find(dev, req->crtc_id, DRM_MODE_OBJECT_CRTC); |
f453ba04 | 1886 | if (!obj) { |
58367ed6 | 1887 | DRM_DEBUG_KMS("Unknown CRTC ID %d\n", req->crtc_id); |
f453ba04 DA |
1888 | ret = -EINVAL; |
1889 | goto out; | |
1890 | } | |
1891 | crtc = obj_to_crtc(obj); | |
1892 | ||
1893 | if (req->flags & DRM_MODE_CURSOR_BO) { | |
1894 | if (!crtc->funcs->cursor_set) { | |
f453ba04 DA |
1895 | ret = -ENXIO; |
1896 | goto out; | |
1897 | } | |
1898 | /* Turns off the cursor if handle is 0 */ | |
1899 | ret = crtc->funcs->cursor_set(crtc, file_priv, req->handle, | |
1900 | req->width, req->height); | |
1901 | } | |
1902 | ||
1903 | if (req->flags & DRM_MODE_CURSOR_MOVE) { | |
1904 | if (crtc->funcs->cursor_move) { | |
1905 | ret = crtc->funcs->cursor_move(crtc, req->x, req->y); | |
1906 | } else { | |
f453ba04 DA |
1907 | ret = -EFAULT; |
1908 | goto out; | |
1909 | } | |
1910 | } | |
1911 | out: | |
1912 | mutex_unlock(&dev->mode_config.mutex); | |
1913 | return ret; | |
1914 | } | |
1915 | ||
308e5bcb JB |
1916 | /* Original addfb only supported RGB formats, so figure out which one */ |
1917 | uint32_t drm_mode_legacy_fb_format(uint32_t bpp, uint32_t depth) | |
1918 | { | |
1919 | uint32_t fmt; | |
1920 | ||
1921 | switch (bpp) { | |
1922 | case 8: | |
04b3924d | 1923 | fmt = DRM_FORMAT_RGB332; |
308e5bcb JB |
1924 | break; |
1925 | case 16: | |
1926 | if (depth == 15) | |
04b3924d | 1927 | fmt = DRM_FORMAT_XRGB1555; |
308e5bcb | 1928 | else |
04b3924d | 1929 | fmt = DRM_FORMAT_RGB565; |
308e5bcb JB |
1930 | break; |
1931 | case 24: | |
04b3924d | 1932 | fmt = DRM_FORMAT_RGB888; |
308e5bcb JB |
1933 | break; |
1934 | case 32: | |
1935 | if (depth == 24) | |
04b3924d | 1936 | fmt = DRM_FORMAT_XRGB8888; |
308e5bcb | 1937 | else if (depth == 30) |
04b3924d | 1938 | fmt = DRM_FORMAT_XRGB2101010; |
308e5bcb | 1939 | else |
04b3924d | 1940 | fmt = DRM_FORMAT_ARGB8888; |
308e5bcb JB |
1941 | break; |
1942 | default: | |
04b3924d VS |
1943 | DRM_ERROR("bad bpp, assuming x8r8g8b8 pixel format\n"); |
1944 | fmt = DRM_FORMAT_XRGB8888; | |
308e5bcb JB |
1945 | break; |
1946 | } | |
1947 | ||
1948 | return fmt; | |
1949 | } | |
1950 | EXPORT_SYMBOL(drm_mode_legacy_fb_format); | |
1951 | ||
f453ba04 DA |
1952 | /** |
1953 | * drm_mode_addfb - add an FB to the graphics configuration | |
1954 | * @inode: inode from the ioctl | |
1955 | * @filp: file * from the ioctl | |
1956 | * @cmd: cmd from ioctl | |
1957 | * @arg: arg from ioctl | |
1958 | * | |
1959 | * LOCKING: | |
1960 | * Takes mode config lock. | |
1961 | * | |
1962 | * Add a new FB to the specified CRTC, given a user request. | |
1963 | * | |
1964 | * Called by the user via ioctl. | |
1965 | * | |
1966 | * RETURNS: | |
1967 | * Zero on success, errno on failure. | |
1968 | */ | |
1969 | int drm_mode_addfb(struct drm_device *dev, | |
1970 | void *data, struct drm_file *file_priv) | |
1971 | { | |
308e5bcb JB |
1972 | struct drm_mode_fb_cmd *or = data; |
1973 | struct drm_mode_fb_cmd2 r = {}; | |
1974 | struct drm_mode_config *config = &dev->mode_config; | |
1975 | struct drm_framebuffer *fb; | |
1976 | int ret = 0; | |
1977 | ||
1978 | /* Use new struct with format internally */ | |
1979 | r.fb_id = or->fb_id; | |
1980 | r.width = or->width; | |
1981 | r.height = or->height; | |
1982 | r.pitches[0] = or->pitch; | |
1983 | r.pixel_format = drm_mode_legacy_fb_format(or->bpp, or->depth); | |
1984 | r.handles[0] = or->handle; | |
1985 | ||
1986 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) | |
1987 | return -EINVAL; | |
1988 | ||
acb4b992 | 1989 | if ((config->min_width > r.width) || (r.width > config->max_width)) |
308e5bcb | 1990 | return -EINVAL; |
acb4b992 JB |
1991 | |
1992 | if ((config->min_height > r.height) || (r.height > config->max_height)) | |
308e5bcb | 1993 | return -EINVAL; |
308e5bcb JB |
1994 | |
1995 | mutex_lock(&dev->mode_config.mutex); | |
1996 | ||
1997 | /* TODO check buffer is sufficiently large */ | |
1998 | /* TODO setup destructor callback */ | |
1999 | ||
2000 | fb = dev->mode_config.funcs->fb_create(dev, file_priv, &r); | |
2001 | if (IS_ERR(fb)) { | |
2002 | DRM_ERROR("could not create framebuffer\n"); | |
2003 | ret = PTR_ERR(fb); | |
2004 | goto out; | |
2005 | } | |
2006 | ||
2007 | or->fb_id = fb->base.id; | |
2008 | list_add(&fb->filp_head, &file_priv->fbs); | |
2009 | DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id); | |
2010 | ||
2011 | out: | |
2012 | mutex_unlock(&dev->mode_config.mutex); | |
2013 | return ret; | |
2014 | } | |
2015 | ||
2016 | /** | |
2017 | * drm_mode_addfb2 - add an FB to the graphics configuration | |
2018 | * @inode: inode from the ioctl | |
2019 | * @filp: file * from the ioctl | |
2020 | * @cmd: cmd from ioctl | |
2021 | * @arg: arg from ioctl | |
2022 | * | |
2023 | * LOCKING: | |
2024 | * Takes mode config lock. | |
2025 | * | |
2026 | * Add a new FB to the specified CRTC, given a user request with format. | |
2027 | * | |
2028 | * Called by the user via ioctl. | |
2029 | * | |
2030 | * RETURNS: | |
2031 | * Zero on success, errno on failure. | |
2032 | */ | |
2033 | int drm_mode_addfb2(struct drm_device *dev, | |
2034 | void *data, struct drm_file *file_priv) | |
2035 | { | |
2036 | struct drm_mode_fb_cmd2 *r = data; | |
f453ba04 DA |
2037 | struct drm_mode_config *config = &dev->mode_config; |
2038 | struct drm_framebuffer *fb; | |
2039 | int ret = 0; | |
2040 | ||
fb3b06c8 DA |
2041 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2042 | return -EINVAL; | |
2043 | ||
f453ba04 | 2044 | if ((config->min_width > r->width) || (r->width > config->max_width)) { |
8cf5c917 JB |
2045 | DRM_ERROR("bad framebuffer width %d, should be >= %d && <= %d\n", |
2046 | r->width, config->min_width, config->max_width); | |
f453ba04 DA |
2047 | return -EINVAL; |
2048 | } | |
2049 | if ((config->min_height > r->height) || (r->height > config->max_height)) { | |
8cf5c917 JB |
2050 | DRM_ERROR("bad framebuffer height %d, should be >= %d && <= %d\n", |
2051 | r->height, config->min_height, config->max_height); | |
f453ba04 DA |
2052 | return -EINVAL; |
2053 | } | |
2054 | ||
2055 | mutex_lock(&dev->mode_config.mutex); | |
2056 | ||
f453ba04 | 2057 | fb = dev->mode_config.funcs->fb_create(dev, file_priv, r); |
cce13ff7 | 2058 | if (IS_ERR(fb)) { |
f453ba04 | 2059 | DRM_ERROR("could not create framebuffer\n"); |
cce13ff7 | 2060 | ret = PTR_ERR(fb); |
f453ba04 DA |
2061 | goto out; |
2062 | } | |
2063 | ||
e0c8463a | 2064 | r->fb_id = fb->base.id; |
f453ba04 | 2065 | list_add(&fb->filp_head, &file_priv->fbs); |
9440106b | 2066 | DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id); |
f453ba04 DA |
2067 | |
2068 | out: | |
2069 | mutex_unlock(&dev->mode_config.mutex); | |
2070 | return ret; | |
2071 | } | |
2072 | ||
2073 | /** | |
2074 | * drm_mode_rmfb - remove an FB from the configuration | |
2075 | * @inode: inode from the ioctl | |
2076 | * @filp: file * from the ioctl | |
2077 | * @cmd: cmd from ioctl | |
2078 | * @arg: arg from ioctl | |
2079 | * | |
2080 | * LOCKING: | |
2081 | * Takes mode config lock. | |
2082 | * | |
2083 | * Remove the FB specified by the user. | |
2084 | * | |
2085 | * Called by the user via ioctl. | |
2086 | * | |
2087 | * RETURNS: | |
2088 | * Zero on success, errno on failure. | |
2089 | */ | |
2090 | int drm_mode_rmfb(struct drm_device *dev, | |
2091 | void *data, struct drm_file *file_priv) | |
2092 | { | |
2093 | struct drm_mode_object *obj; | |
2094 | struct drm_framebuffer *fb = NULL; | |
2095 | struct drm_framebuffer *fbl = NULL; | |
2096 | uint32_t *id = data; | |
2097 | int ret = 0; | |
2098 | int found = 0; | |
2099 | ||
fb3b06c8 DA |
2100 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2101 | return -EINVAL; | |
2102 | ||
f453ba04 DA |
2103 | mutex_lock(&dev->mode_config.mutex); |
2104 | obj = drm_mode_object_find(dev, *id, DRM_MODE_OBJECT_FB); | |
25985edc | 2105 | /* TODO check that we really get a framebuffer back. */ |
f453ba04 | 2106 | if (!obj) { |
f453ba04 DA |
2107 | ret = -EINVAL; |
2108 | goto out; | |
2109 | } | |
2110 | fb = obj_to_fb(obj); | |
2111 | ||
2112 | list_for_each_entry(fbl, &file_priv->fbs, filp_head) | |
2113 | if (fb == fbl) | |
2114 | found = 1; | |
2115 | ||
2116 | if (!found) { | |
f453ba04 DA |
2117 | ret = -EINVAL; |
2118 | goto out; | |
2119 | } | |
2120 | ||
2121 | /* TODO release all crtc connected to the framebuffer */ | |
2122 | /* TODO unhock the destructor from the buffer object */ | |
2123 | ||
2124 | list_del(&fb->filp_head); | |
2125 | fb->funcs->destroy(fb); | |
2126 | ||
2127 | out: | |
2128 | mutex_unlock(&dev->mode_config.mutex); | |
2129 | return ret; | |
2130 | } | |
2131 | ||
2132 | /** | |
2133 | * drm_mode_getfb - get FB info | |
2134 | * @inode: inode from the ioctl | |
2135 | * @filp: file * from the ioctl | |
2136 | * @cmd: cmd from ioctl | |
2137 | * @arg: arg from ioctl | |
2138 | * | |
2139 | * LOCKING: | |
2140 | * Caller? (FIXME) | |
2141 | * | |
2142 | * Lookup the FB given its ID and return info about it. | |
2143 | * | |
2144 | * Called by the user via ioctl. | |
2145 | * | |
2146 | * RETURNS: | |
2147 | * Zero on success, errno on failure. | |
2148 | */ | |
2149 | int drm_mode_getfb(struct drm_device *dev, | |
2150 | void *data, struct drm_file *file_priv) | |
2151 | { | |
2152 | struct drm_mode_fb_cmd *r = data; | |
2153 | struct drm_mode_object *obj; | |
2154 | struct drm_framebuffer *fb; | |
2155 | int ret = 0; | |
2156 | ||
fb3b06c8 DA |
2157 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2158 | return -EINVAL; | |
2159 | ||
f453ba04 | 2160 | mutex_lock(&dev->mode_config.mutex); |
e0c8463a | 2161 | obj = drm_mode_object_find(dev, r->fb_id, DRM_MODE_OBJECT_FB); |
f453ba04 | 2162 | if (!obj) { |
f453ba04 DA |
2163 | ret = -EINVAL; |
2164 | goto out; | |
2165 | } | |
2166 | fb = obj_to_fb(obj); | |
2167 | ||
2168 | r->height = fb->height; | |
2169 | r->width = fb->width; | |
2170 | r->depth = fb->depth; | |
2171 | r->bpp = fb->bits_per_pixel; | |
2172 | r->pitch = fb->pitch; | |
2173 | fb->funcs->create_handle(fb, file_priv, &r->handle); | |
2174 | ||
2175 | out: | |
2176 | mutex_unlock(&dev->mode_config.mutex); | |
2177 | return ret; | |
2178 | } | |
2179 | ||
884840aa JB |
2180 | int drm_mode_dirtyfb_ioctl(struct drm_device *dev, |
2181 | void *data, struct drm_file *file_priv) | |
2182 | { | |
2183 | struct drm_clip_rect __user *clips_ptr; | |
2184 | struct drm_clip_rect *clips = NULL; | |
2185 | struct drm_mode_fb_dirty_cmd *r = data; | |
2186 | struct drm_mode_object *obj; | |
2187 | struct drm_framebuffer *fb; | |
2188 | unsigned flags; | |
2189 | int num_clips; | |
2190 | int ret = 0; | |
2191 | ||
fb3b06c8 DA |
2192 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2193 | return -EINVAL; | |
2194 | ||
884840aa JB |
2195 | mutex_lock(&dev->mode_config.mutex); |
2196 | obj = drm_mode_object_find(dev, r->fb_id, DRM_MODE_OBJECT_FB); | |
2197 | if (!obj) { | |
884840aa JB |
2198 | ret = -EINVAL; |
2199 | goto out_err1; | |
2200 | } | |
2201 | fb = obj_to_fb(obj); | |
2202 | ||
2203 | num_clips = r->num_clips; | |
81f6c7f8 | 2204 | clips_ptr = (struct drm_clip_rect __user *)(unsigned long)r->clips_ptr; |
884840aa JB |
2205 | |
2206 | if (!num_clips != !clips_ptr) { | |
2207 | ret = -EINVAL; | |
2208 | goto out_err1; | |
2209 | } | |
2210 | ||
2211 | flags = DRM_MODE_FB_DIRTY_FLAGS & r->flags; | |
2212 | ||
2213 | /* If userspace annotates copy, clips must come in pairs */ | |
2214 | if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY && (num_clips % 2)) { | |
2215 | ret = -EINVAL; | |
2216 | goto out_err1; | |
2217 | } | |
2218 | ||
2219 | if (num_clips && clips_ptr) { | |
2220 | clips = kzalloc(num_clips * sizeof(*clips), GFP_KERNEL); | |
2221 | if (!clips) { | |
2222 | ret = -ENOMEM; | |
2223 | goto out_err1; | |
2224 | } | |
2225 | ||
2226 | ret = copy_from_user(clips, clips_ptr, | |
2227 | num_clips * sizeof(*clips)); | |
e902a358 DC |
2228 | if (ret) { |
2229 | ret = -EFAULT; | |
884840aa | 2230 | goto out_err2; |
e902a358 | 2231 | } |
884840aa JB |
2232 | } |
2233 | ||
2234 | if (fb->funcs->dirty) { | |
02b00162 TH |
2235 | ret = fb->funcs->dirty(fb, file_priv, flags, r->color, |
2236 | clips, num_clips); | |
884840aa JB |
2237 | } else { |
2238 | ret = -ENOSYS; | |
2239 | goto out_err2; | |
2240 | } | |
2241 | ||
2242 | out_err2: | |
2243 | kfree(clips); | |
2244 | out_err1: | |
2245 | mutex_unlock(&dev->mode_config.mutex); | |
2246 | return ret; | |
2247 | } | |
2248 | ||
2249 | ||
f453ba04 DA |
2250 | /** |
2251 | * drm_fb_release - remove and free the FBs on this file | |
2252 | * @filp: file * from the ioctl | |
2253 | * | |
2254 | * LOCKING: | |
2255 | * Takes mode config lock. | |
2256 | * | |
2257 | * Destroy all the FBs associated with @filp. | |
2258 | * | |
2259 | * Called by the user via ioctl. | |
2260 | * | |
2261 | * RETURNS: | |
2262 | * Zero on success, errno on failure. | |
2263 | */ | |
ea39f835 | 2264 | void drm_fb_release(struct drm_file *priv) |
f453ba04 | 2265 | { |
f453ba04 DA |
2266 | struct drm_device *dev = priv->minor->dev; |
2267 | struct drm_framebuffer *fb, *tfb; | |
2268 | ||
2269 | mutex_lock(&dev->mode_config.mutex); | |
2270 | list_for_each_entry_safe(fb, tfb, &priv->fbs, filp_head) { | |
2271 | list_del(&fb->filp_head); | |
2272 | fb->funcs->destroy(fb); | |
2273 | } | |
2274 | mutex_unlock(&dev->mode_config.mutex); | |
2275 | } | |
2276 | ||
2277 | /** | |
2278 | * drm_mode_attachmode - add a mode to the user mode list | |
2279 | * @dev: DRM device | |
2280 | * @connector: connector to add the mode to | |
2281 | * @mode: mode to add | |
2282 | * | |
2283 | * Add @mode to @connector's user mode list. | |
2284 | */ | |
2285 | static int drm_mode_attachmode(struct drm_device *dev, | |
2286 | struct drm_connector *connector, | |
2287 | struct drm_display_mode *mode) | |
2288 | { | |
2289 | int ret = 0; | |
2290 | ||
2291 | list_add_tail(&mode->head, &connector->user_modes); | |
2292 | return ret; | |
2293 | } | |
2294 | ||
2295 | int drm_mode_attachmode_crtc(struct drm_device *dev, struct drm_crtc *crtc, | |
2296 | struct drm_display_mode *mode) | |
2297 | { | |
2298 | struct drm_connector *connector; | |
2299 | int ret = 0; | |
2300 | struct drm_display_mode *dup_mode; | |
2301 | int need_dup = 0; | |
2302 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { | |
2303 | if (!connector->encoder) | |
2304 | break; | |
2305 | if (connector->encoder->crtc == crtc) { | |
2306 | if (need_dup) | |
2307 | dup_mode = drm_mode_duplicate(dev, mode); | |
2308 | else | |
2309 | dup_mode = mode; | |
2310 | ret = drm_mode_attachmode(dev, connector, dup_mode); | |
2311 | if (ret) | |
2312 | return ret; | |
2313 | need_dup = 1; | |
2314 | } | |
2315 | } | |
2316 | return 0; | |
2317 | } | |
2318 | EXPORT_SYMBOL(drm_mode_attachmode_crtc); | |
2319 | ||
2320 | static int drm_mode_detachmode(struct drm_device *dev, | |
2321 | struct drm_connector *connector, | |
2322 | struct drm_display_mode *mode) | |
2323 | { | |
2324 | int found = 0; | |
2325 | int ret = 0; | |
2326 | struct drm_display_mode *match_mode, *t; | |
2327 | ||
2328 | list_for_each_entry_safe(match_mode, t, &connector->user_modes, head) { | |
2329 | if (drm_mode_equal(match_mode, mode)) { | |
2330 | list_del(&match_mode->head); | |
2331 | drm_mode_destroy(dev, match_mode); | |
2332 | found = 1; | |
2333 | break; | |
2334 | } | |
2335 | } | |
2336 | ||
2337 | if (!found) | |
2338 | ret = -EINVAL; | |
2339 | ||
2340 | return ret; | |
2341 | } | |
2342 | ||
2343 | int drm_mode_detachmode_crtc(struct drm_device *dev, struct drm_display_mode *mode) | |
2344 | { | |
2345 | struct drm_connector *connector; | |
2346 | ||
2347 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { | |
2348 | drm_mode_detachmode(dev, connector, mode); | |
2349 | } | |
2350 | return 0; | |
2351 | } | |
2352 | EXPORT_SYMBOL(drm_mode_detachmode_crtc); | |
2353 | ||
2354 | /** | |
2355 | * drm_fb_attachmode - Attach a user mode to an connector | |
2356 | * @inode: inode from the ioctl | |
2357 | * @filp: file * from the ioctl | |
2358 | * @cmd: cmd from ioctl | |
2359 | * @arg: arg from ioctl | |
2360 | * | |
2361 | * This attaches a user specified mode to an connector. | |
2362 | * Called by the user via ioctl. | |
2363 | * | |
2364 | * RETURNS: | |
2365 | * Zero on success, errno on failure. | |
2366 | */ | |
2367 | int drm_mode_attachmode_ioctl(struct drm_device *dev, | |
2368 | void *data, struct drm_file *file_priv) | |
2369 | { | |
2370 | struct drm_mode_mode_cmd *mode_cmd = data; | |
2371 | struct drm_connector *connector; | |
2372 | struct drm_display_mode *mode; | |
2373 | struct drm_mode_object *obj; | |
2374 | struct drm_mode_modeinfo *umode = &mode_cmd->mode; | |
2375 | int ret = 0; | |
2376 | ||
fb3b06c8 DA |
2377 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2378 | return -EINVAL; | |
2379 | ||
f453ba04 DA |
2380 | mutex_lock(&dev->mode_config.mutex); |
2381 | ||
2382 | obj = drm_mode_object_find(dev, mode_cmd->connector_id, DRM_MODE_OBJECT_CONNECTOR); | |
2383 | if (!obj) { | |
2384 | ret = -EINVAL; | |
2385 | goto out; | |
2386 | } | |
2387 | connector = obj_to_connector(obj); | |
2388 | ||
2389 | mode = drm_mode_create(dev); | |
2390 | if (!mode) { | |
2391 | ret = -ENOMEM; | |
2392 | goto out; | |
2393 | } | |
2394 | ||
2395 | drm_crtc_convert_umode(mode, umode); | |
2396 | ||
2397 | ret = drm_mode_attachmode(dev, connector, mode); | |
2398 | out: | |
2399 | mutex_unlock(&dev->mode_config.mutex); | |
2400 | return ret; | |
2401 | } | |
2402 | ||
2403 | ||
2404 | /** | |
2405 | * drm_fb_detachmode - Detach a user specified mode from an connector | |
2406 | * @inode: inode from the ioctl | |
2407 | * @filp: file * from the ioctl | |
2408 | * @cmd: cmd from ioctl | |
2409 | * @arg: arg from ioctl | |
2410 | * | |
2411 | * Called by the user via ioctl. | |
2412 | * | |
2413 | * RETURNS: | |
2414 | * Zero on success, errno on failure. | |
2415 | */ | |
2416 | int drm_mode_detachmode_ioctl(struct drm_device *dev, | |
2417 | void *data, struct drm_file *file_priv) | |
2418 | { | |
2419 | struct drm_mode_object *obj; | |
2420 | struct drm_mode_mode_cmd *mode_cmd = data; | |
2421 | struct drm_connector *connector; | |
2422 | struct drm_display_mode mode; | |
2423 | struct drm_mode_modeinfo *umode = &mode_cmd->mode; | |
2424 | int ret = 0; | |
2425 | ||
fb3b06c8 DA |
2426 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2427 | return -EINVAL; | |
2428 | ||
f453ba04 DA |
2429 | mutex_lock(&dev->mode_config.mutex); |
2430 | ||
2431 | obj = drm_mode_object_find(dev, mode_cmd->connector_id, DRM_MODE_OBJECT_CONNECTOR); | |
2432 | if (!obj) { | |
2433 | ret = -EINVAL; | |
2434 | goto out; | |
2435 | } | |
2436 | connector = obj_to_connector(obj); | |
2437 | ||
2438 | drm_crtc_convert_umode(&mode, umode); | |
2439 | ret = drm_mode_detachmode(dev, connector, &mode); | |
2440 | out: | |
2441 | mutex_unlock(&dev->mode_config.mutex); | |
2442 | return ret; | |
2443 | } | |
2444 | ||
2445 | struct drm_property *drm_property_create(struct drm_device *dev, int flags, | |
2446 | const char *name, int num_values) | |
2447 | { | |
2448 | struct drm_property *property = NULL; | |
2449 | ||
2450 | property = kzalloc(sizeof(struct drm_property), GFP_KERNEL); | |
2451 | if (!property) | |
2452 | return NULL; | |
2453 | ||
2454 | if (num_values) { | |
2455 | property->values = kzalloc(sizeof(uint64_t)*num_values, GFP_KERNEL); | |
2456 | if (!property->values) | |
2457 | goto fail; | |
2458 | } | |
2459 | ||
2460 | drm_mode_object_get(dev, &property->base, DRM_MODE_OBJECT_PROPERTY); | |
2461 | property->flags = flags; | |
2462 | property->num_values = num_values; | |
2463 | INIT_LIST_HEAD(&property->enum_blob_list); | |
2464 | ||
2465 | if (name) | |
2466 | strncpy(property->name, name, DRM_PROP_NAME_LEN); | |
2467 | ||
2468 | list_add_tail(&property->head, &dev->mode_config.property_list); | |
2469 | return property; | |
2470 | fail: | |
2471 | kfree(property); | |
2472 | return NULL; | |
2473 | } | |
2474 | EXPORT_SYMBOL(drm_property_create); | |
2475 | ||
2476 | int drm_property_add_enum(struct drm_property *property, int index, | |
2477 | uint64_t value, const char *name) | |
2478 | { | |
2479 | struct drm_property_enum *prop_enum; | |
2480 | ||
2481 | if (!(property->flags & DRM_MODE_PROP_ENUM)) | |
2482 | return -EINVAL; | |
2483 | ||
2484 | if (!list_empty(&property->enum_blob_list)) { | |
2485 | list_for_each_entry(prop_enum, &property->enum_blob_list, head) { | |
2486 | if (prop_enum->value == value) { | |
2487 | strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); | |
2488 | prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; | |
2489 | return 0; | |
2490 | } | |
2491 | } | |
2492 | } | |
2493 | ||
2494 | prop_enum = kzalloc(sizeof(struct drm_property_enum), GFP_KERNEL); | |
2495 | if (!prop_enum) | |
2496 | return -ENOMEM; | |
2497 | ||
2498 | strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); | |
2499 | prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; | |
2500 | prop_enum->value = value; | |
2501 | ||
2502 | property->values[index] = value; | |
2503 | list_add_tail(&prop_enum->head, &property->enum_blob_list); | |
2504 | return 0; | |
2505 | } | |
2506 | EXPORT_SYMBOL(drm_property_add_enum); | |
2507 | ||
2508 | void drm_property_destroy(struct drm_device *dev, struct drm_property *property) | |
2509 | { | |
2510 | struct drm_property_enum *prop_enum, *pt; | |
2511 | ||
2512 | list_for_each_entry_safe(prop_enum, pt, &property->enum_blob_list, head) { | |
2513 | list_del(&prop_enum->head); | |
2514 | kfree(prop_enum); | |
2515 | } | |
2516 | ||
2517 | if (property->num_values) | |
2518 | kfree(property->values); | |
2519 | drm_mode_object_put(dev, &property->base); | |
2520 | list_del(&property->head); | |
2521 | kfree(property); | |
2522 | } | |
2523 | EXPORT_SYMBOL(drm_property_destroy); | |
2524 | ||
2525 | int drm_connector_attach_property(struct drm_connector *connector, | |
2526 | struct drm_property *property, uint64_t init_val) | |
2527 | { | |
2528 | int i; | |
2529 | ||
2530 | for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { | |
2531 | if (connector->property_ids[i] == 0) { | |
2532 | connector->property_ids[i] = property->base.id; | |
2533 | connector->property_values[i] = init_val; | |
2534 | break; | |
2535 | } | |
2536 | } | |
2537 | ||
2538 | if (i == DRM_CONNECTOR_MAX_PROPERTY) | |
2539 | return -EINVAL; | |
2540 | return 0; | |
2541 | } | |
2542 | EXPORT_SYMBOL(drm_connector_attach_property); | |
2543 | ||
2544 | int drm_connector_property_set_value(struct drm_connector *connector, | |
2545 | struct drm_property *property, uint64_t value) | |
2546 | { | |
2547 | int i; | |
2548 | ||
2549 | for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { | |
2550 | if (connector->property_ids[i] == property->base.id) { | |
2551 | connector->property_values[i] = value; | |
2552 | break; | |
2553 | } | |
2554 | } | |
2555 | ||
2556 | if (i == DRM_CONNECTOR_MAX_PROPERTY) | |
2557 | return -EINVAL; | |
2558 | return 0; | |
2559 | } | |
2560 | EXPORT_SYMBOL(drm_connector_property_set_value); | |
2561 | ||
2562 | int drm_connector_property_get_value(struct drm_connector *connector, | |
2563 | struct drm_property *property, uint64_t *val) | |
2564 | { | |
2565 | int i; | |
2566 | ||
2567 | for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { | |
2568 | if (connector->property_ids[i] == property->base.id) { | |
2569 | *val = connector->property_values[i]; | |
2570 | break; | |
2571 | } | |
2572 | } | |
2573 | ||
2574 | if (i == DRM_CONNECTOR_MAX_PROPERTY) | |
2575 | return -EINVAL; | |
2576 | return 0; | |
2577 | } | |
2578 | EXPORT_SYMBOL(drm_connector_property_get_value); | |
2579 | ||
2580 | int drm_mode_getproperty_ioctl(struct drm_device *dev, | |
2581 | void *data, struct drm_file *file_priv) | |
2582 | { | |
2583 | struct drm_mode_object *obj; | |
2584 | struct drm_mode_get_property *out_resp = data; | |
2585 | struct drm_property *property; | |
2586 | int enum_count = 0; | |
2587 | int blob_count = 0; | |
2588 | int value_count = 0; | |
2589 | int ret = 0, i; | |
2590 | int copied; | |
2591 | struct drm_property_enum *prop_enum; | |
2592 | struct drm_mode_property_enum __user *enum_ptr; | |
2593 | struct drm_property_blob *prop_blob; | |
81f6c7f8 | 2594 | uint32_t __user *blob_id_ptr; |
f453ba04 DA |
2595 | uint64_t __user *values_ptr; |
2596 | uint32_t __user *blob_length_ptr; | |
2597 | ||
fb3b06c8 DA |
2598 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2599 | return -EINVAL; | |
2600 | ||
f453ba04 DA |
2601 | mutex_lock(&dev->mode_config.mutex); |
2602 | obj = drm_mode_object_find(dev, out_resp->prop_id, DRM_MODE_OBJECT_PROPERTY); | |
2603 | if (!obj) { | |
2604 | ret = -EINVAL; | |
2605 | goto done; | |
2606 | } | |
2607 | property = obj_to_property(obj); | |
2608 | ||
2609 | if (property->flags & DRM_MODE_PROP_ENUM) { | |
2610 | list_for_each_entry(prop_enum, &property->enum_blob_list, head) | |
2611 | enum_count++; | |
2612 | } else if (property->flags & DRM_MODE_PROP_BLOB) { | |
2613 | list_for_each_entry(prop_blob, &property->enum_blob_list, head) | |
2614 | blob_count++; | |
2615 | } | |
2616 | ||
2617 | value_count = property->num_values; | |
2618 | ||
2619 | strncpy(out_resp->name, property->name, DRM_PROP_NAME_LEN); | |
2620 | out_resp->name[DRM_PROP_NAME_LEN-1] = 0; | |
2621 | out_resp->flags = property->flags; | |
2622 | ||
2623 | if ((out_resp->count_values >= value_count) && value_count) { | |
81f6c7f8 | 2624 | values_ptr = (uint64_t __user *)(unsigned long)out_resp->values_ptr; |
f453ba04 DA |
2625 | for (i = 0; i < value_count; i++) { |
2626 | if (copy_to_user(values_ptr + i, &property->values[i], sizeof(uint64_t))) { | |
2627 | ret = -EFAULT; | |
2628 | goto done; | |
2629 | } | |
2630 | } | |
2631 | } | |
2632 | out_resp->count_values = value_count; | |
2633 | ||
2634 | if (property->flags & DRM_MODE_PROP_ENUM) { | |
2635 | if ((out_resp->count_enum_blobs >= enum_count) && enum_count) { | |
2636 | copied = 0; | |
81f6c7f8 | 2637 | enum_ptr = (struct drm_mode_property_enum __user *)(unsigned long)out_resp->enum_blob_ptr; |
f453ba04 DA |
2638 | list_for_each_entry(prop_enum, &property->enum_blob_list, head) { |
2639 | ||
2640 | if (copy_to_user(&enum_ptr[copied].value, &prop_enum->value, sizeof(uint64_t))) { | |
2641 | ret = -EFAULT; | |
2642 | goto done; | |
2643 | } | |
2644 | ||
2645 | if (copy_to_user(&enum_ptr[copied].name, | |
2646 | &prop_enum->name, DRM_PROP_NAME_LEN)) { | |
2647 | ret = -EFAULT; | |
2648 | goto done; | |
2649 | } | |
2650 | copied++; | |
2651 | } | |
2652 | } | |
2653 | out_resp->count_enum_blobs = enum_count; | |
2654 | } | |
2655 | ||
2656 | if (property->flags & DRM_MODE_PROP_BLOB) { | |
2657 | if ((out_resp->count_enum_blobs >= blob_count) && blob_count) { | |
2658 | copied = 0; | |
81f6c7f8 VS |
2659 | blob_id_ptr = (uint32_t __user *)(unsigned long)out_resp->enum_blob_ptr; |
2660 | blob_length_ptr = (uint32_t __user *)(unsigned long)out_resp->values_ptr; | |
f453ba04 DA |
2661 | |
2662 | list_for_each_entry(prop_blob, &property->enum_blob_list, head) { | |
2663 | if (put_user(prop_blob->base.id, blob_id_ptr + copied)) { | |
2664 | ret = -EFAULT; | |
2665 | goto done; | |
2666 | } | |
2667 | ||
2668 | if (put_user(prop_blob->length, blob_length_ptr + copied)) { | |
2669 | ret = -EFAULT; | |
2670 | goto done; | |
2671 | } | |
2672 | ||
2673 | copied++; | |
2674 | } | |
2675 | } | |
2676 | out_resp->count_enum_blobs = blob_count; | |
2677 | } | |
2678 | done: | |
2679 | mutex_unlock(&dev->mode_config.mutex); | |
2680 | return ret; | |
2681 | } | |
2682 | ||
2683 | static struct drm_property_blob *drm_property_create_blob(struct drm_device *dev, int length, | |
2684 | void *data) | |
2685 | { | |
2686 | struct drm_property_blob *blob; | |
2687 | ||
2688 | if (!length || !data) | |
2689 | return NULL; | |
2690 | ||
2691 | blob = kzalloc(sizeof(struct drm_property_blob)+length, GFP_KERNEL); | |
2692 | if (!blob) | |
2693 | return NULL; | |
2694 | ||
2695 | blob->data = (void *)((char *)blob + sizeof(struct drm_property_blob)); | |
2696 | blob->length = length; | |
2697 | ||
2698 | memcpy(blob->data, data, length); | |
2699 | ||
2700 | drm_mode_object_get(dev, &blob->base, DRM_MODE_OBJECT_BLOB); | |
2701 | ||
2702 | list_add_tail(&blob->head, &dev->mode_config.property_blob_list); | |
2703 | return blob; | |
2704 | } | |
2705 | ||
2706 | static void drm_property_destroy_blob(struct drm_device *dev, | |
2707 | struct drm_property_blob *blob) | |
2708 | { | |
2709 | drm_mode_object_put(dev, &blob->base); | |
2710 | list_del(&blob->head); | |
2711 | kfree(blob); | |
2712 | } | |
2713 | ||
2714 | int drm_mode_getblob_ioctl(struct drm_device *dev, | |
2715 | void *data, struct drm_file *file_priv) | |
2716 | { | |
2717 | struct drm_mode_object *obj; | |
2718 | struct drm_mode_get_blob *out_resp = data; | |
2719 | struct drm_property_blob *blob; | |
2720 | int ret = 0; | |
81f6c7f8 | 2721 | void __user *blob_ptr; |
f453ba04 | 2722 | |
fb3b06c8 DA |
2723 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2724 | return -EINVAL; | |
2725 | ||
f453ba04 DA |
2726 | mutex_lock(&dev->mode_config.mutex); |
2727 | obj = drm_mode_object_find(dev, out_resp->blob_id, DRM_MODE_OBJECT_BLOB); | |
2728 | if (!obj) { | |
2729 | ret = -EINVAL; | |
2730 | goto done; | |
2731 | } | |
2732 | blob = obj_to_blob(obj); | |
2733 | ||
2734 | if (out_resp->length == blob->length) { | |
81f6c7f8 | 2735 | blob_ptr = (void __user *)(unsigned long)out_resp->data; |
f453ba04 DA |
2736 | if (copy_to_user(blob_ptr, blob->data, blob->length)){ |
2737 | ret = -EFAULT; | |
2738 | goto done; | |
2739 | } | |
2740 | } | |
2741 | out_resp->length = blob->length; | |
2742 | ||
2743 | done: | |
2744 | mutex_unlock(&dev->mode_config.mutex); | |
2745 | return ret; | |
2746 | } | |
2747 | ||
2748 | int drm_mode_connector_update_edid_property(struct drm_connector *connector, | |
2749 | struct edid *edid) | |
2750 | { | |
2751 | struct drm_device *dev = connector->dev; | |
7466f4cc | 2752 | int ret = 0, size; |
f453ba04 DA |
2753 | |
2754 | if (connector->edid_blob_ptr) | |
2755 | drm_property_destroy_blob(dev, connector->edid_blob_ptr); | |
2756 | ||
2757 | /* Delete edid, when there is none. */ | |
2758 | if (!edid) { | |
2759 | connector->edid_blob_ptr = NULL; | |
2760 | ret = drm_connector_property_set_value(connector, dev->mode_config.edid_property, 0); | |
2761 | return ret; | |
2762 | } | |
2763 | ||
7466f4cc AJ |
2764 | size = EDID_LENGTH * (1 + edid->extensions); |
2765 | connector->edid_blob_ptr = drm_property_create_blob(connector->dev, | |
2766 | size, edid); | |
f453ba04 DA |
2767 | |
2768 | ret = drm_connector_property_set_value(connector, | |
2769 | dev->mode_config.edid_property, | |
2770 | connector->edid_blob_ptr->base.id); | |
2771 | ||
2772 | return ret; | |
2773 | } | |
2774 | EXPORT_SYMBOL(drm_mode_connector_update_edid_property); | |
2775 | ||
2776 | int drm_mode_connector_property_set_ioctl(struct drm_device *dev, | |
2777 | void *data, struct drm_file *file_priv) | |
2778 | { | |
2779 | struct drm_mode_connector_set_property *out_resp = data; | |
2780 | struct drm_mode_object *obj; | |
2781 | struct drm_property *property; | |
2782 | struct drm_connector *connector; | |
2783 | int ret = -EINVAL; | |
2784 | int i; | |
2785 | ||
fb3b06c8 DA |
2786 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2787 | return -EINVAL; | |
2788 | ||
f453ba04 DA |
2789 | mutex_lock(&dev->mode_config.mutex); |
2790 | ||
2791 | obj = drm_mode_object_find(dev, out_resp->connector_id, DRM_MODE_OBJECT_CONNECTOR); | |
2792 | if (!obj) { | |
2793 | goto out; | |
2794 | } | |
2795 | connector = obj_to_connector(obj); | |
2796 | ||
2797 | for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { | |
2798 | if (connector->property_ids[i] == out_resp->prop_id) | |
2799 | break; | |
2800 | } | |
2801 | ||
2802 | if (i == DRM_CONNECTOR_MAX_PROPERTY) { | |
2803 | goto out; | |
2804 | } | |
2805 | ||
2806 | obj = drm_mode_object_find(dev, out_resp->prop_id, DRM_MODE_OBJECT_PROPERTY); | |
2807 | if (!obj) { | |
2808 | goto out; | |
2809 | } | |
2810 | property = obj_to_property(obj); | |
2811 | ||
2812 | if (property->flags & DRM_MODE_PROP_IMMUTABLE) | |
2813 | goto out; | |
2814 | ||
2815 | if (property->flags & DRM_MODE_PROP_RANGE) { | |
2816 | if (out_resp->value < property->values[0]) | |
2817 | goto out; | |
2818 | ||
2819 | if (out_resp->value > property->values[1]) | |
2820 | goto out; | |
2821 | } else { | |
2822 | int found = 0; | |
2823 | for (i = 0; i < property->num_values; i++) { | |
2824 | if (property->values[i] == out_resp->value) { | |
2825 | found = 1; | |
2826 | break; | |
2827 | } | |
2828 | } | |
2829 | if (!found) { | |
2830 | goto out; | |
2831 | } | |
2832 | } | |
2833 | ||
c9fb15f6 KP |
2834 | /* Do DPMS ourselves */ |
2835 | if (property == connector->dev->mode_config.dpms_property) { | |
2836 | if (connector->funcs->dpms) | |
2837 | (*connector->funcs->dpms)(connector, (int) out_resp->value); | |
2838 | ret = 0; | |
2839 | } else if (connector->funcs->set_property) | |
f453ba04 DA |
2840 | ret = connector->funcs->set_property(connector, property, out_resp->value); |
2841 | ||
af901ca1 | 2842 | /* store the property value if successful */ |
f453ba04 DA |
2843 | if (!ret) |
2844 | drm_connector_property_set_value(connector, property, out_resp->value); | |
2845 | out: | |
2846 | mutex_unlock(&dev->mode_config.mutex); | |
2847 | return ret; | |
2848 | } | |
2849 | ||
f453ba04 DA |
2850 | int drm_mode_connector_attach_encoder(struct drm_connector *connector, |
2851 | struct drm_encoder *encoder) | |
2852 | { | |
2853 | int i; | |
2854 | ||
2855 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { | |
2856 | if (connector->encoder_ids[i] == 0) { | |
2857 | connector->encoder_ids[i] = encoder->base.id; | |
2858 | return 0; | |
2859 | } | |
2860 | } | |
2861 | return -ENOMEM; | |
2862 | } | |
2863 | EXPORT_SYMBOL(drm_mode_connector_attach_encoder); | |
2864 | ||
2865 | void drm_mode_connector_detach_encoder(struct drm_connector *connector, | |
2866 | struct drm_encoder *encoder) | |
2867 | { | |
2868 | int i; | |
2869 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { | |
2870 | if (connector->encoder_ids[i] == encoder->base.id) { | |
2871 | connector->encoder_ids[i] = 0; | |
2872 | if (connector->encoder == encoder) | |
2873 | connector->encoder = NULL; | |
2874 | break; | |
2875 | } | |
2876 | } | |
2877 | } | |
2878 | EXPORT_SYMBOL(drm_mode_connector_detach_encoder); | |
2879 | ||
2880 | bool drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc, | |
2881 | int gamma_size) | |
2882 | { | |
2883 | crtc->gamma_size = gamma_size; | |
2884 | ||
2885 | crtc->gamma_store = kzalloc(gamma_size * sizeof(uint16_t) * 3, GFP_KERNEL); | |
2886 | if (!crtc->gamma_store) { | |
2887 | crtc->gamma_size = 0; | |
2888 | return false; | |
2889 | } | |
2890 | ||
2891 | return true; | |
2892 | } | |
2893 | EXPORT_SYMBOL(drm_mode_crtc_set_gamma_size); | |
2894 | ||
2895 | int drm_mode_gamma_set_ioctl(struct drm_device *dev, | |
2896 | void *data, struct drm_file *file_priv) | |
2897 | { | |
2898 | struct drm_mode_crtc_lut *crtc_lut = data; | |
2899 | struct drm_mode_object *obj; | |
2900 | struct drm_crtc *crtc; | |
2901 | void *r_base, *g_base, *b_base; | |
2902 | int size; | |
2903 | int ret = 0; | |
2904 | ||
fb3b06c8 DA |
2905 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2906 | return -EINVAL; | |
2907 | ||
f453ba04 DA |
2908 | mutex_lock(&dev->mode_config.mutex); |
2909 | obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC); | |
2910 | if (!obj) { | |
2911 | ret = -EINVAL; | |
2912 | goto out; | |
2913 | } | |
2914 | crtc = obj_to_crtc(obj); | |
2915 | ||
2916 | /* memcpy into gamma store */ | |
2917 | if (crtc_lut->gamma_size != crtc->gamma_size) { | |
2918 | ret = -EINVAL; | |
2919 | goto out; | |
2920 | } | |
2921 | ||
2922 | size = crtc_lut->gamma_size * (sizeof(uint16_t)); | |
2923 | r_base = crtc->gamma_store; | |
2924 | if (copy_from_user(r_base, (void __user *)(unsigned long)crtc_lut->red, size)) { | |
2925 | ret = -EFAULT; | |
2926 | goto out; | |
2927 | } | |
2928 | ||
2929 | g_base = r_base + size; | |
2930 | if (copy_from_user(g_base, (void __user *)(unsigned long)crtc_lut->green, size)) { | |
2931 | ret = -EFAULT; | |
2932 | goto out; | |
2933 | } | |
2934 | ||
2935 | b_base = g_base + size; | |
2936 | if (copy_from_user(b_base, (void __user *)(unsigned long)crtc_lut->blue, size)) { | |
2937 | ret = -EFAULT; | |
2938 | goto out; | |
2939 | } | |
2940 | ||
7203425a | 2941 | crtc->funcs->gamma_set(crtc, r_base, g_base, b_base, 0, crtc->gamma_size); |
f453ba04 DA |
2942 | |
2943 | out: | |
2944 | mutex_unlock(&dev->mode_config.mutex); | |
2945 | return ret; | |
2946 | ||
2947 | } | |
2948 | ||
2949 | int drm_mode_gamma_get_ioctl(struct drm_device *dev, | |
2950 | void *data, struct drm_file *file_priv) | |
2951 | { | |
2952 | struct drm_mode_crtc_lut *crtc_lut = data; | |
2953 | struct drm_mode_object *obj; | |
2954 | struct drm_crtc *crtc; | |
2955 | void *r_base, *g_base, *b_base; | |
2956 | int size; | |
2957 | int ret = 0; | |
2958 | ||
fb3b06c8 DA |
2959 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2960 | return -EINVAL; | |
2961 | ||
f453ba04 DA |
2962 | mutex_lock(&dev->mode_config.mutex); |
2963 | obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC); | |
2964 | if (!obj) { | |
2965 | ret = -EINVAL; | |
2966 | goto out; | |
2967 | } | |
2968 | crtc = obj_to_crtc(obj); | |
2969 | ||
2970 | /* memcpy into gamma store */ | |
2971 | if (crtc_lut->gamma_size != crtc->gamma_size) { | |
2972 | ret = -EINVAL; | |
2973 | goto out; | |
2974 | } | |
2975 | ||
2976 | size = crtc_lut->gamma_size * (sizeof(uint16_t)); | |
2977 | r_base = crtc->gamma_store; | |
2978 | if (copy_to_user((void __user *)(unsigned long)crtc_lut->red, r_base, size)) { | |
2979 | ret = -EFAULT; | |
2980 | goto out; | |
2981 | } | |
2982 | ||
2983 | g_base = r_base + size; | |
2984 | if (copy_to_user((void __user *)(unsigned long)crtc_lut->green, g_base, size)) { | |
2985 | ret = -EFAULT; | |
2986 | goto out; | |
2987 | } | |
2988 | ||
2989 | b_base = g_base + size; | |
2990 | if (copy_to_user((void __user *)(unsigned long)crtc_lut->blue, b_base, size)) { | |
2991 | ret = -EFAULT; | |
2992 | goto out; | |
2993 | } | |
2994 | out: | |
2995 | mutex_unlock(&dev->mode_config.mutex); | |
2996 | return ret; | |
2997 | } | |
d91d8a3f KH |
2998 | |
2999 | int drm_mode_page_flip_ioctl(struct drm_device *dev, | |
3000 | void *data, struct drm_file *file_priv) | |
3001 | { | |
3002 | struct drm_mode_crtc_page_flip *page_flip = data; | |
3003 | struct drm_mode_object *obj; | |
3004 | struct drm_crtc *crtc; | |
3005 | struct drm_framebuffer *fb; | |
3006 | struct drm_pending_vblank_event *e = NULL; | |
3007 | unsigned long flags; | |
3008 | int ret = -EINVAL; | |
3009 | ||
3010 | if (page_flip->flags & ~DRM_MODE_PAGE_FLIP_FLAGS || | |
3011 | page_flip->reserved != 0) | |
3012 | return -EINVAL; | |
3013 | ||
3014 | mutex_lock(&dev->mode_config.mutex); | |
3015 | obj = drm_mode_object_find(dev, page_flip->crtc_id, DRM_MODE_OBJECT_CRTC); | |
3016 | if (!obj) | |
3017 | goto out; | |
3018 | crtc = obj_to_crtc(obj); | |
3019 | ||
90c1efdd CW |
3020 | if (crtc->fb == NULL) { |
3021 | /* The framebuffer is currently unbound, presumably | |
3022 | * due to a hotplug event, that userspace has not | |
3023 | * yet discovered. | |
3024 | */ | |
3025 | ret = -EBUSY; | |
3026 | goto out; | |
3027 | } | |
3028 | ||
d91d8a3f KH |
3029 | if (crtc->funcs->page_flip == NULL) |
3030 | goto out; | |
3031 | ||
3032 | obj = drm_mode_object_find(dev, page_flip->fb_id, DRM_MODE_OBJECT_FB); | |
3033 | if (!obj) | |
3034 | goto out; | |
3035 | fb = obj_to_fb(obj); | |
3036 | ||
3037 | if (page_flip->flags & DRM_MODE_PAGE_FLIP_EVENT) { | |
3038 | ret = -ENOMEM; | |
3039 | spin_lock_irqsave(&dev->event_lock, flags); | |
3040 | if (file_priv->event_space < sizeof e->event) { | |
3041 | spin_unlock_irqrestore(&dev->event_lock, flags); | |
3042 | goto out; | |
3043 | } | |
3044 | file_priv->event_space -= sizeof e->event; | |
3045 | spin_unlock_irqrestore(&dev->event_lock, flags); | |
3046 | ||
3047 | e = kzalloc(sizeof *e, GFP_KERNEL); | |
3048 | if (e == NULL) { | |
3049 | spin_lock_irqsave(&dev->event_lock, flags); | |
3050 | file_priv->event_space += sizeof e->event; | |
3051 | spin_unlock_irqrestore(&dev->event_lock, flags); | |
3052 | goto out; | |
3053 | } | |
3054 | ||
7bd4d7be | 3055 | e->event.base.type = DRM_EVENT_FLIP_COMPLETE; |
d91d8a3f KH |
3056 | e->event.base.length = sizeof e->event; |
3057 | e->event.user_data = page_flip->user_data; | |
3058 | e->base.event = &e->event.base; | |
3059 | e->base.file_priv = file_priv; | |
3060 | e->base.destroy = | |
3061 | (void (*) (struct drm_pending_event *)) kfree; | |
3062 | } | |
3063 | ||
3064 | ret = crtc->funcs->page_flip(crtc, fb, e); | |
3065 | if (ret) { | |
3066 | spin_lock_irqsave(&dev->event_lock, flags); | |
3067 | file_priv->event_space += sizeof e->event; | |
3068 | spin_unlock_irqrestore(&dev->event_lock, flags); | |
3069 | kfree(e); | |
3070 | } | |
3071 | ||
3072 | out: | |
3073 | mutex_unlock(&dev->mode_config.mutex); | |
3074 | return ret; | |
3075 | } | |
eb033556 CW |
3076 | |
3077 | void drm_mode_config_reset(struct drm_device *dev) | |
3078 | { | |
3079 | struct drm_crtc *crtc; | |
3080 | struct drm_encoder *encoder; | |
3081 | struct drm_connector *connector; | |
3082 | ||
3083 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) | |
3084 | if (crtc->funcs->reset) | |
3085 | crtc->funcs->reset(crtc); | |
3086 | ||
3087 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) | |
3088 | if (encoder->funcs->reset) | |
3089 | encoder->funcs->reset(encoder); | |
3090 | ||
3091 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) | |
3092 | if (connector->funcs->reset) | |
3093 | connector->funcs->reset(connector); | |
3094 | } | |
3095 | EXPORT_SYMBOL(drm_mode_config_reset); | |
ff72145b DA |
3096 | |
3097 | int drm_mode_create_dumb_ioctl(struct drm_device *dev, | |
3098 | void *data, struct drm_file *file_priv) | |
3099 | { | |
3100 | struct drm_mode_create_dumb *args = data; | |
3101 | ||
3102 | if (!dev->driver->dumb_create) | |
3103 | return -ENOSYS; | |
3104 | return dev->driver->dumb_create(file_priv, dev, args); | |
3105 | } | |
3106 | ||
3107 | int drm_mode_mmap_dumb_ioctl(struct drm_device *dev, | |
3108 | void *data, struct drm_file *file_priv) | |
3109 | { | |
3110 | struct drm_mode_map_dumb *args = data; | |
3111 | ||
3112 | /* call driver ioctl to get mmap offset */ | |
3113 | if (!dev->driver->dumb_map_offset) | |
3114 | return -ENOSYS; | |
3115 | ||
3116 | return dev->driver->dumb_map_offset(file_priv, dev, args->handle, &args->offset); | |
3117 | } | |
3118 | ||
3119 | int drm_mode_destroy_dumb_ioctl(struct drm_device *dev, | |
3120 | void *data, struct drm_file *file_priv) | |
3121 | { | |
3122 | struct drm_mode_destroy_dumb *args = data; | |
3123 | ||
3124 | if (!dev->driver->dumb_destroy) | |
3125 | return -ENOSYS; | |
3126 | ||
3127 | return dev->driver->dumb_destroy(file_priv, dev, args->handle); | |
3128 | } | |
248dbc23 DA |
3129 | |
3130 | /* | |
3131 | * Just need to support RGB formats here for compat with code that doesn't | |
3132 | * use pixel formats directly yet. | |
3133 | */ | |
3134 | void drm_fb_get_bpp_depth(uint32_t format, unsigned int *depth, | |
3135 | int *bpp) | |
3136 | { | |
3137 | switch (format) { | |
04b3924d VS |
3138 | case DRM_FORMAT_RGB332: |
3139 | case DRM_FORMAT_BGR233: | |
248dbc23 DA |
3140 | *depth = 8; |
3141 | *bpp = 8; | |
3142 | break; | |
04b3924d VS |
3143 | case DRM_FORMAT_XRGB1555: |
3144 | case DRM_FORMAT_XBGR1555: | |
3145 | case DRM_FORMAT_RGBX5551: | |
3146 | case DRM_FORMAT_BGRX5551: | |
3147 | case DRM_FORMAT_ARGB1555: | |
3148 | case DRM_FORMAT_ABGR1555: | |
3149 | case DRM_FORMAT_RGBA5551: | |
3150 | case DRM_FORMAT_BGRA5551: | |
248dbc23 DA |
3151 | *depth = 15; |
3152 | *bpp = 16; | |
3153 | break; | |
04b3924d VS |
3154 | case DRM_FORMAT_RGB565: |
3155 | case DRM_FORMAT_BGR565: | |
248dbc23 DA |
3156 | *depth = 16; |
3157 | *bpp = 16; | |
3158 | break; | |
04b3924d VS |
3159 | case DRM_FORMAT_RGB888: |
3160 | case DRM_FORMAT_BGR888: | |
3161 | *depth = 24; | |
3162 | *bpp = 24; | |
3163 | break; | |
3164 | case DRM_FORMAT_XRGB8888: | |
3165 | case DRM_FORMAT_XBGR8888: | |
3166 | case DRM_FORMAT_RGBX8888: | |
3167 | case DRM_FORMAT_BGRX8888: | |
248dbc23 DA |
3168 | *depth = 24; |
3169 | *bpp = 32; | |
3170 | break; | |
04b3924d VS |
3171 | case DRM_FORMAT_XRGB2101010: |
3172 | case DRM_FORMAT_XBGR2101010: | |
3173 | case DRM_FORMAT_RGBX1010102: | |
3174 | case DRM_FORMAT_BGRX1010102: | |
3175 | case DRM_FORMAT_ARGB2101010: | |
3176 | case DRM_FORMAT_ABGR2101010: | |
3177 | case DRM_FORMAT_RGBA1010102: | |
3178 | case DRM_FORMAT_BGRA1010102: | |
248dbc23 DA |
3179 | *depth = 30; |
3180 | *bpp = 32; | |
3181 | break; | |
04b3924d VS |
3182 | case DRM_FORMAT_ARGB8888: |
3183 | case DRM_FORMAT_ABGR8888: | |
3184 | case DRM_FORMAT_RGBA8888: | |
3185 | case DRM_FORMAT_BGRA8888: | |
248dbc23 DA |
3186 | *depth = 32; |
3187 | *bpp = 32; | |
3188 | break; | |
3189 | default: | |
3190 | DRM_DEBUG_KMS("unsupported pixel format\n"); | |
3191 | *depth = 0; | |
3192 | *bpp = 0; | |
3193 | break; | |
3194 | } | |
3195 | } | |
3196 | EXPORT_SYMBOL(drm_fb_get_bpp_depth); |