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vga-switcheroo: select VGA arbitration.
[deliverable/linux.git] / drivers / gpu / drm / drm_crtc.c
CommitLineData
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 40
f453ba04
DA		 41/* Avoid boilerplate. I'm tired of typing. */
42#define DRM_ENUM_NAME_FN(fnname, list) \
43 char *fnname(int val) \
44 { \
45 int i; \
46 for (i = 0; i < ARRAY_SIZE(list); i++) { \
47 if (list[i].type == val) \
48 return list[i].name; \
49 } \
50 return "(unknown)"; \
51 }
52
53/*
54 * Global properties
55 */
56static struct drm_prop_enum_list drm_dpms_enum_list[] =
57{ { DRM_MODE_DPMS_ON, "On" },
58 { DRM_MODE_DPMS_STANDBY, "Standby" },
59 { DRM_MODE_DPMS_SUSPEND, "Suspend" },
60 { DRM_MODE_DPMS_OFF, "Off" }
61};
62
63DRM_ENUM_NAME_FN(drm_get_dpms_name, drm_dpms_enum_list)
64
65/*
66 * Optional properties
67 */
68static struct drm_prop_enum_list drm_scaling_mode_enum_list[] =
69{
53bd8389
JB		 70 { DRM_MODE_SCALE_NONE, "None" },
71 { DRM_MODE_SCALE_FULLSCREEN, "Full" },
72 { DRM_MODE_SCALE_CENTER, "Center" },
73 { DRM_MODE_SCALE_ASPECT, "Full aspect" },
f453ba04
DA		 74};
75
76static struct drm_prop_enum_list drm_dithering_mode_enum_list[] =
77{
78 { DRM_MODE_DITHERING_OFF, "Off" },
79 { DRM_MODE_DITHERING_ON, "On" },
92897b5c 80 { DRM_MODE_DITHERING_AUTO, "Automatic" },
f453ba04
DA		 81};
82
83/*
84 * Non-global properties, but "required" for certain connectors.
85 */
86static struct drm_prop_enum_list drm_dvi_i_select_enum_list[] =
87{
88 { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */
89 { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */
90 { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */
91};
92
93DRM_ENUM_NAME_FN(drm_get_dvi_i_select_name, drm_dvi_i_select_enum_list)
94
95static struct drm_prop_enum_list drm_dvi_i_subconnector_enum_list[] =
96{
97 { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */
98 { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */
99 { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */
100};
101
102DRM_ENUM_NAME_FN(drm_get_dvi_i_subconnector_name,
103 drm_dvi_i_subconnector_enum_list)
104
105static struct drm_prop_enum_list drm_tv_select_enum_list[] =
106{
107 { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */
108 { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */
109 { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */
110 { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */
aeaa1ad3 111 { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */
f453ba04
DA		 112};
113
114DRM_ENUM_NAME_FN(drm_get_tv_select_name, drm_tv_select_enum_list)
115
116static struct drm_prop_enum_list drm_tv_subconnector_enum_list[] =
117{
118 { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */
119 { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */
120 { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */
121 { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */
aeaa1ad3 122 { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */
f453ba04
DA		 123};
124
125DRM_ENUM_NAME_FN(drm_get_tv_subconnector_name,
126 drm_tv_subconnector_enum_list)
127
884840aa
JB		 128static struct drm_prop_enum_list drm_dirty_info_enum_list[] = {
129 { DRM_MODE_DIRTY_OFF, "Off" },
130 { DRM_MODE_DIRTY_ON, "On" },
131 { DRM_MODE_DIRTY_ANNOTATE, "Annotate" },
132};
133
134DRM_ENUM_NAME_FN(drm_get_dirty_info_name,
135 drm_dirty_info_enum_list)
136
f453ba04
DA		 137struct drm_conn_prop_enum_list {
138 int type;
139 char *name;
140 int count;
141};
142
143/*
144 * Connector and encoder types.
145 */
146static struct drm_conn_prop_enum_list drm_connector_enum_list[] =
147{ { DRM_MODE_CONNECTOR_Unknown, "Unknown", 0 },
148 { DRM_MODE_CONNECTOR_VGA, "VGA", 0 },
149 { DRM_MODE_CONNECTOR_DVII, "DVI-I", 0 },
150 { DRM_MODE_CONNECTOR_DVID, "DVI-D", 0 },
151 { DRM_MODE_CONNECTOR_DVIA, "DVI-A", 0 },
152 { DRM_MODE_CONNECTOR_Composite, "Composite", 0 },
153 { DRM_MODE_CONNECTOR_SVIDEO, "SVIDEO", 0 },
154 { DRM_MODE_CONNECTOR_LVDS, "LVDS", 0 },
155 { DRM_MODE_CONNECTOR_Component, "Component", 0 },
e76116ca
AD		 156 { DRM_MODE_CONNECTOR_9PinDIN, "DIN", 0 },
157 { DRM_MODE_CONNECTOR_DisplayPort, "DP", 0 },
158 { DRM_MODE_CONNECTOR_HDMIA, "HDMI-A", 0 },
159 { DRM_MODE_CONNECTOR_HDMIB, "HDMI-B", 0 },
74bd3c26 160 { DRM_MODE_CONNECTOR_TV, "TV", 0 },
e76116ca 161 { DRM_MODE_CONNECTOR_eDP, "eDP", 0 },
a7331e5c 162 { DRM_MODE_CONNECTOR_VIRTUAL, "Virtual", 0},
f453ba04
DA		 163};
164
165static struct drm_prop_enum_list drm_encoder_enum_list[] =
166{ { DRM_MODE_ENCODER_NONE, "None" },
167 { DRM_MODE_ENCODER_DAC, "DAC" },
168 { DRM_MODE_ENCODER_TMDS, "TMDS" },
169 { DRM_MODE_ENCODER_LVDS, "LVDS" },
170 { DRM_MODE_ENCODER_TVDAC, "TV" },
a7331e5c 171 { DRM_MODE_ENCODER_VIRTUAL, "Virtual" },
f453ba04
DA		 172};
173
174char *drm_get_encoder_name(struct drm_encoder *encoder)
175{
176 static char buf[32];
177
178 snprintf(buf, 32, "%s-%d",
179 drm_encoder_enum_list[encoder->encoder_type].name,
180 encoder->base.id);
181 return buf;
182}
13a8195b 183EXPORT_SYMBOL(drm_get_encoder_name);
f453ba04
DA		 184
185char *drm_get_connector_name(struct drm_connector *connector)
186{
187 static char buf[32];
188
189 snprintf(buf, 32, "%s-%d",
190 drm_connector_enum_list[connector->connector_type].name,
191 connector->connector_type_id);
192 return buf;
193}
194EXPORT_SYMBOL(drm_get_connector_name);
195
196char *drm_get_connector_status_name(enum drm_connector_status status)
197{
198 if (status == connector_status_connected)
199 return "connected";
200 else if (status == connector_status_disconnected)
201 return "disconnected";
202 else
203 return "unknown";
204}
205
206/**
207 * drm_mode_object_get - allocate a new identifier
208 * @dev: DRM device
209 * @ptr: object pointer, used to generate unique ID
210 * @type: object type
211 *
212 * LOCKING:
f453ba04
DA		 213 *
214 * Create a unique identifier based on @ptr in @dev's identifier space. Used
215 * for tracking modes, CRTCs and connectors.
216 *
217 * RETURNS:
218 * New unique (relative to other objects in @dev) integer identifier for the
219 * object.
220 */
221static int drm_mode_object_get(struct drm_device *dev,
222 struct drm_mode_object *obj, uint32_t obj_type)
223{
224 int new_id = 0;
225 int ret;
226
f453ba04
DA		 227again:
228 if (idr_pre_get(&dev->mode_config.crtc_idr, GFP_KERNEL) == 0) {
229 DRM_ERROR("Ran out memory getting a mode number\n");
230 return -EINVAL;
231 }
232
ad2563c2 233 mutex_lock(&dev->mode_config.idr_mutex);
f453ba04 234 ret = idr_get_new_above(&dev->mode_config.crtc_idr, obj, 1, &new_id);
ad2563c2 235 mutex_unlock(&dev->mode_config.idr_mutex);
f453ba04
DA		 236 if (ret == -EAGAIN)
237 goto again;
238
239 obj->id = new_id;
240 obj->type = obj_type;
241 return 0;
242}
243
244/**
245 * drm_mode_object_put - free an identifer
246 * @dev: DRM device
247 * @id: ID to free
248 *
249 * LOCKING:
250 * Caller must hold DRM mode_config lock.
251 *
252 * Free @id from @dev's unique identifier pool.
253 */
254static void drm_mode_object_put(struct drm_device *dev,
255 struct drm_mode_object *object)
256{
ad2563c2 257 mutex_lock(&dev->mode_config.idr_mutex);
f453ba04 258 idr_remove(&dev->mode_config.crtc_idr, object->id);
ad2563c2 259 mutex_unlock(&dev->mode_config.idr_mutex);
f453ba04
DA		 260}
261
7a9c9060
DV		 262struct drm_mode_object *drm_mode_object_find(struct drm_device *dev,
263 uint32_t id, uint32_t type)
f453ba04 264{
ad2563c2 265 struct drm_mode_object *obj = NULL;
f453ba04 266
ad2563c2 267 mutex_lock(&dev->mode_config.idr_mutex);
f453ba04
DA		 268 obj = idr_find(&dev->mode_config.crtc_idr, id);
269 if (!obj || (obj->type != type) || (obj->id != id))
ad2563c2
JB		 270 obj = NULL;
271 mutex_unlock(&dev->mode_config.idr_mutex);
f453ba04
DA		 272
273 return obj;
274}
275EXPORT_SYMBOL(drm_mode_object_find);
276
f453ba04
DA		 277/**
278 * drm_framebuffer_init - initialize a framebuffer
279 * @dev: DRM device
280 *
281 * LOCKING:
282 * Caller must hold mode config lock.
283 *
284 * Allocates an ID for the framebuffer's parent mode object, sets its mode
285 * functions & device file and adds it to the master fd list.
286 *
287 * RETURNS:
af901ca1 288 * Zero on success, error code on failure.
f453ba04
DA		 289 */
290int drm_framebuffer_init(struct drm_device *dev, struct drm_framebuffer *fb,
291 const struct drm_framebuffer_funcs *funcs)
292{
293 int ret;
294
295 ret = drm_mode_object_get(dev, &fb->base, DRM_MODE_OBJECT_FB);
6bfc56aa 296 if (ret)
f453ba04 297 return ret;
f453ba04
DA		 298
299 fb->dev = dev;
300 fb->funcs = funcs;
301 dev->mode_config.num_fb++;
302 list_add(&fb->head, &dev->mode_config.fb_list);
303
304 return 0;
305}
306EXPORT_SYMBOL(drm_framebuffer_init);
307
308/**
309 * drm_framebuffer_cleanup - remove a framebuffer object
310 * @fb: framebuffer to remove
311 *
312 * LOCKING:
313 * Caller must hold mode config lock.
314 *
315 * Scans all the CRTCs in @dev's mode_config. If they're using @fb, removes
316 * it, setting it to NULL.
317 */
318void drm_framebuffer_cleanup(struct drm_framebuffer *fb)
319{
320 struct drm_device *dev = fb->dev;
321 struct drm_crtc *crtc;
8cf5c917 322 struct drm_plane *plane;
5ef5f72f
DA		 323 struct drm_mode_set set;
324 int ret;
f453ba04
DA		 325
326 /* remove from any CRTC */
327 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
5ef5f72f
DA		 328 if (crtc->fb == fb) {
329 /* should turn off the crtc */
330 memset(&set, 0, sizeof(struct drm_mode_set));
331 set.crtc = crtc;
332 set.fb = NULL;
333 ret = crtc->funcs->set_config(&set);
334 if (ret)
335 DRM_ERROR("failed to reset crtc %p when fb was deleted\n", crtc);
336 }
f453ba04
DA		 337 }
338
8cf5c917
JB		 339 list_for_each_entry(plane, &dev->mode_config.plane_list, head) {
340 if (plane->fb == fb) {
341 /* should turn off the crtc */
342 ret = plane->funcs->disable_plane(plane);
343 if (ret)
344 DRM_ERROR("failed to disable plane with busy fb\n");
a9971157
RC		 345 /* disconnect the plane from the fb and crtc: */
346 plane->fb = NULL;
347 plane->crtc = NULL;
8cf5c917
JB		 348 }
349 }
350
f453ba04
DA		 351 drm_mode_object_put(dev, &fb->base);
352 list_del(&fb->head);
353 dev->mode_config.num_fb--;
354}
355EXPORT_SYMBOL(drm_framebuffer_cleanup);
356
357/**
358 * drm_crtc_init - Initialise a new CRTC object
359 * @dev: DRM device
360 * @crtc: CRTC object to init
361 * @funcs: callbacks for the new CRTC
362 *
363 * LOCKING:
364 * Caller must hold mode config lock.
365 *
366 * Inits a new object created as base part of an driver crtc object.
6bfc56aa
VS		 367 *
368 * RETURNS:
369 * Zero on success, error code on failure.
f453ba04 370 */
6bfc56aa 371int drm_crtc_init(struct drm_device *dev, struct drm_crtc *crtc,
f453ba04
DA		 372 const struct drm_crtc_funcs *funcs)
373{
6bfc56aa
VS		 374 int ret;
375
f453ba04
DA		 376 crtc->dev = dev;
377 crtc->funcs = funcs;
378
379 mutex_lock(&dev->mode_config.mutex);
6bfc56aa
VS		 380
381 ret = drm_mode_object_get(dev, &crtc->base, DRM_MODE_OBJECT_CRTC);
382 if (ret)
383 goto out;
f453ba04
DA		 384
385 list_add_tail(&crtc->head, &dev->mode_config.crtc_list);
386 dev->mode_config.num_crtc++;
6bfc56aa
VS		 387
388 out:
f453ba04 389 mutex_unlock(&dev->mode_config.mutex);
6bfc56aa
VS		 390
391 return ret;
f453ba04
DA		 392}
393EXPORT_SYMBOL(drm_crtc_init);
394
395/**
396 * drm_crtc_cleanup - Cleans up the core crtc usage.
397 * @crtc: CRTC to cleanup
398 *
399 * LOCKING:
400 * Caller must hold mode config lock.
401 *
402 * Cleanup @crtc. Removes from drm modesetting space
403 * does NOT free object, caller does that.
404 */
405void drm_crtc_cleanup(struct drm_crtc *crtc)
406{
407 struct drm_device *dev = crtc->dev;
408
409 if (crtc->gamma_store) {
410 kfree(crtc->gamma_store);
411 crtc->gamma_store = NULL;
412 }
413
414 drm_mode_object_put(dev, &crtc->base);
415 list_del(&crtc->head);
416 dev->mode_config.num_crtc--;
417}
418EXPORT_SYMBOL(drm_crtc_cleanup);
419
420/**
421 * drm_mode_probed_add - add a mode to a connector's probed mode list
422 * @connector: connector the new mode
423 * @mode: mode data
424 *
425 * LOCKING:
426 * Caller must hold mode config lock.
427 *
428 * Add @mode to @connector's mode list for later use.
429 */
430void drm_mode_probed_add(struct drm_connector *connector,
431 struct drm_display_mode *mode)
432{
433 list_add(&mode->head, &connector->probed_modes);
434}
435EXPORT_SYMBOL(drm_mode_probed_add);
436
437/**
438 * drm_mode_remove - remove and free a mode
439 * @connector: connector list to modify
440 * @mode: mode to remove
441 *
442 * LOCKING:
443 * Caller must hold mode config lock.
444 *
445 * Remove @mode from @connector's mode list, then free it.
446 */
447void drm_mode_remove(struct drm_connector *connector,
448 struct drm_display_mode *mode)
449{
450 list_del(&mode->head);
554f1d78 451 drm_mode_destroy(connector->dev, mode);
f453ba04
DA		 452}
453EXPORT_SYMBOL(drm_mode_remove);
454
455/**
456 * drm_connector_init - Init a preallocated connector
457 * @dev: DRM device
458 * @connector: the connector to init
459 * @funcs: callbacks for this connector
460 * @name: user visible name of the connector
461 *
462 * LOCKING:
b20f3867 463 * Takes mode config lock.
f453ba04
DA		 464 *
465 * Initialises a preallocated connector. Connectors should be
466 * subclassed as part of driver connector objects.
6bfc56aa
VS		 467 *
468 * RETURNS:
469 * Zero on success, error code on failure.
f453ba04 470 */
6bfc56aa
VS		 471int drm_connector_init(struct drm_device *dev,
472 struct drm_connector *connector,
473 const struct drm_connector_funcs *funcs,
474 int connector_type)
f453ba04 475{
6bfc56aa
VS		 476 int ret;
477
f453ba04
DA		 478 mutex_lock(&dev->mode_config.mutex);
479
6bfc56aa
VS		 480 ret = drm_mode_object_get(dev, &connector->base, DRM_MODE_OBJECT_CONNECTOR);
481 if (ret)
482 goto out;
483
f453ba04
DA		 484 connector->dev = dev;
485 connector->funcs = funcs;
f453ba04
DA		 486 connector->connector_type = connector_type;
487 connector->connector_type_id =
488 ++drm_connector_enum_list[connector_type].count; /* TODO */
489 INIT_LIST_HEAD(&connector->user_modes);
490 INIT_LIST_HEAD(&connector->probed_modes);
491 INIT_LIST_HEAD(&connector->modes);
492 connector->edid_blob_ptr = NULL;
493
494 list_add_tail(&connector->head, &dev->mode_config.connector_list);
495 dev->mode_config.num_connector++;
496
a7331e5c
TH		 497 if (connector_type != DRM_MODE_CONNECTOR_VIRTUAL)
498 drm_connector_attach_property(connector,
499 dev->mode_config.edid_property,
500 0);
f453ba04
DA		 501
502 drm_connector_attach_property(connector,
503 dev->mode_config.dpms_property, 0);
504
6bfc56aa 505 out:
f453ba04 506 mutex_unlock(&dev->mode_config.mutex);
6bfc56aa
VS		 507
508 return ret;
f453ba04
DA		 509}
510EXPORT_SYMBOL(drm_connector_init);
511
512/**
513 * drm_connector_cleanup - cleans up an initialised connector
514 * @connector: connector to cleanup
515 *
516 * LOCKING:
b20f3867 517 * Takes mode config lock.
f453ba04
DA		 518 *
519 * Cleans up the connector but doesn't free the object.
520 */
521void drm_connector_cleanup(struct drm_connector *connector)
522{
523 struct drm_device *dev = connector->dev;
524 struct drm_display_mode *mode, *t;
525
526 list_for_each_entry_safe(mode, t, &connector->probed_modes, head)
527 drm_mode_remove(connector, mode);
528
529 list_for_each_entry_safe(mode, t, &connector->modes, head)
530 drm_mode_remove(connector, mode);
531
532 list_for_each_entry_safe(mode, t, &connector->user_modes, head)
533 drm_mode_remove(connector, mode);
534
535 mutex_lock(&dev->mode_config.mutex);
536 drm_mode_object_put(dev, &connector->base);
537 list_del(&connector->head);
6380c509 538 dev->mode_config.num_connector--;
f453ba04
DA		 539 mutex_unlock(&dev->mode_config.mutex);
540}
541EXPORT_SYMBOL(drm_connector_cleanup);
542
cbc7e221
DA		 543void drm_connector_unplug_all(struct drm_device *dev)
544{
545 struct drm_connector *connector;
546
547 /* taking the mode config mutex ends up in a clash with sysfs */
548 list_for_each_entry(connector, &dev->mode_config.connector_list, head)
549 drm_sysfs_connector_remove(connector);
550
551}
552EXPORT_SYMBOL(drm_connector_unplug_all);
553
6bfc56aa 554int drm_encoder_init(struct drm_device *dev,
cbc7e221
DA		 555 struct drm_encoder *encoder,
556 const struct drm_encoder_funcs *funcs,
557 int encoder_type)
f453ba04 558{
6bfc56aa
VS		 559 int ret;
560
f453ba04
DA		 561 mutex_lock(&dev->mode_config.mutex);
562
6bfc56aa
VS		 563 ret = drm_mode_object_get(dev, &encoder->base, DRM_MODE_OBJECT_ENCODER);
564 if (ret)
565 goto out;
f453ba04 566
6bfc56aa 567 encoder->dev = dev;
f453ba04
DA		 568 encoder->encoder_type = encoder_type;
569 encoder->funcs = funcs;
570
571 list_add_tail(&encoder->head, &dev->mode_config.encoder_list);
572 dev->mode_config.num_encoder++;
573
6bfc56aa 574 out:
f453ba04 575 mutex_unlock(&dev->mode_config.mutex);
6bfc56aa
VS		 576
577 return ret;
f453ba04
DA		 578}
579EXPORT_SYMBOL(drm_encoder_init);
580
581void drm_encoder_cleanup(struct drm_encoder *encoder)
582{
583 struct drm_device *dev = encoder->dev;
584 mutex_lock(&dev->mode_config.mutex);
585 drm_mode_object_put(dev, &encoder->base);
586 list_del(&encoder->head);
6380c509 587 dev->mode_config.num_encoder--;
f453ba04
DA		 588 mutex_unlock(&dev->mode_config.mutex);
589}
590EXPORT_SYMBOL(drm_encoder_cleanup);
591
8cf5c917
JB		 592int drm_plane_init(struct drm_device *dev, struct drm_plane *plane,
593 unsigned long possible_crtcs,
594 const struct drm_plane_funcs *funcs,
0a7eb243
RC		 595 const uint32_t *formats, uint32_t format_count,
596 bool priv)
8cf5c917 597{
6bfc56aa
VS		 598 int ret;
599
8cf5c917
JB		 600 mutex_lock(&dev->mode_config.mutex);
601
6bfc56aa
VS		 602 ret = drm_mode_object_get(dev, &plane->base, DRM_MODE_OBJECT_PLANE);
603 if (ret)
604 goto out;
605
8cf5c917 606 plane->dev = dev;
8cf5c917
JB		 607 plane->funcs = funcs;
608 plane->format_types = kmalloc(sizeof(uint32_t) * format_count,
609 GFP_KERNEL);
610 if (!plane->format_types) {
611 DRM_DEBUG_KMS("out of memory when allocating plane\n");
612 drm_mode_object_put(dev, &plane->base);
6bfc56aa
VS		 613 ret = -ENOMEM;
614 goto out;
8cf5c917
JB		 615 }
616
308e5bcb 617 memcpy(plane->format_types, formats, format_count * sizeof(uint32_t));
8cf5c917
JB		 618 plane->format_count = format_count;
619 plane->possible_crtcs = possible_crtcs;
620
0a7eb243
RC		 621 /* private planes are not exposed to userspace, but depending on
622 * display hardware, might be convenient to allow sharing programming
623 * for the scanout engine with the crtc implementation.
624 */
625 if (!priv) {
626 list_add_tail(&plane->head, &dev->mode_config.plane_list);
627 dev->mode_config.num_plane++;
628 } else {
629 INIT_LIST_HEAD(&plane->head);
630 }
8cf5c917 631
6bfc56aa 632 out:
8cf5c917
JB		 633 mutex_unlock(&dev->mode_config.mutex);
634
6bfc56aa 635 return ret;
8cf5c917
JB		 636}
637EXPORT_SYMBOL(drm_plane_init);
638
639void drm_plane_cleanup(struct drm_plane *plane)
640{
641 struct drm_device *dev = plane->dev;
642
643 mutex_lock(&dev->mode_config.mutex);
644 kfree(plane->format_types);
645 drm_mode_object_put(dev, &plane->base);
0a7eb243
RC		 646 /* if not added to a list, it must be a private plane */
647 if (!list_empty(&plane->head)) {
648 list_del(&plane->head);
649 dev->mode_config.num_plane--;
650 }
8cf5c917
JB		 651 mutex_unlock(&dev->mode_config.mutex);
652}
653EXPORT_SYMBOL(drm_plane_cleanup);
654
f453ba04
DA		 655/**
656 * drm_mode_create - create a new display mode
657 * @dev: DRM device
658 *
659 * LOCKING:
660 * Caller must hold DRM mode_config lock.
661 *
662 * Create a new drm_display_mode, give it an ID, and return it.
663 *
664 * RETURNS:
665 * Pointer to new mode on success, NULL on error.
666 */
667struct drm_display_mode *drm_mode_create(struct drm_device *dev)
668{
669 struct drm_display_mode *nmode;
670
671 nmode = kzalloc(sizeof(struct drm_display_mode), GFP_KERNEL);
672 if (!nmode)
673 return NULL;
674
6bfc56aa
VS		 675 if (drm_mode_object_get(dev, &nmode->base, DRM_MODE_OBJECT_MODE)) {
676 kfree(nmode);
677 return NULL;
678 }
679
f453ba04
DA		 680 return nmode;
681}
682EXPORT_SYMBOL(drm_mode_create);
683
684/**
685 * drm_mode_destroy - remove a mode
686 * @dev: DRM device
687 * @mode: mode to remove
688 *
689 * LOCKING:
690 * Caller must hold mode config lock.
691 *
692 * Free @mode's unique identifier, then free it.
693 */
694void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode)
695{
ee34ab5b
VS		 696 if (!mode)
697 return;
698
f453ba04
DA		 699 drm_mode_object_put(dev, &mode->base);
700
701 kfree(mode);
702}
703EXPORT_SYMBOL(drm_mode_destroy);
704
705static int drm_mode_create_standard_connector_properties(struct drm_device *dev)
706{
707 struct drm_property *edid;
708 struct drm_property *dpms;
f453ba04
DA		 709
710 /*
711 * Standard properties (apply to all connectors)
712 */
713 edid = drm_property_create(dev, DRM_MODE_PROP_BLOB |
714 DRM_MODE_PROP_IMMUTABLE,
715 "EDID", 0);
716 dev->mode_config.edid_property = edid;
717
4a67d391
SH		 718 dpms = drm_property_create_enum(dev, 0,
719 "DPMS", drm_dpms_enum_list,
720 ARRAY_SIZE(drm_dpms_enum_list));
f453ba04
DA		 721 dev->mode_config.dpms_property = dpms;
722
723 return 0;
724}
725
726/**
727 * drm_mode_create_dvi_i_properties - create DVI-I specific connector properties
728 * @dev: DRM device
729 *
730 * Called by a driver the first time a DVI-I connector is made.
731 */
732int drm_mode_create_dvi_i_properties(struct drm_device *dev)
733{
734 struct drm_property *dvi_i_selector;
735 struct drm_property *dvi_i_subconnector;
f453ba04
DA		 736
737 if (dev->mode_config.dvi_i_select_subconnector_property)
738 return 0;
739
740 dvi_i_selector =
4a67d391 741 drm_property_create_enum(dev, 0,
f453ba04 742 "select subconnector",
4a67d391 743 drm_dvi_i_select_enum_list,
f453ba04 744 ARRAY_SIZE(drm_dvi_i_select_enum_list));
f453ba04
DA		 745 dev->mode_config.dvi_i_select_subconnector_property = dvi_i_selector;
746
4a67d391 747 dvi_i_subconnector = drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE,
f453ba04 748 "subconnector",
4a67d391 749 drm_dvi_i_subconnector_enum_list,
f453ba04 750 ARRAY_SIZE(drm_dvi_i_subconnector_enum_list));
f453ba04
DA		 751 dev->mode_config.dvi_i_subconnector_property = dvi_i_subconnector;
752
753 return 0;
754}
755EXPORT_SYMBOL(drm_mode_create_dvi_i_properties);
756
757/**
758 * drm_create_tv_properties - create TV specific connector properties
759 * @dev: DRM device
760 * @num_modes: number of different TV formats (modes) supported
761 * @modes: array of pointers to strings containing name of each format
762 *
763 * Called by a driver's TV initialization routine, this function creates
764 * the TV specific connector properties for a given device. Caller is
765 * responsible for allocating a list of format names and passing them to
766 * this routine.
767 */
768int drm_mode_create_tv_properties(struct drm_device *dev, int num_modes,
769 char *modes[])
770{
771 struct drm_property *tv_selector;
772 struct drm_property *tv_subconnector;
773 int i;
774
775 if (dev->mode_config.tv_select_subconnector_property)
776 return 0;
777
778 /*
779 * Basic connector properties
780 */
4a67d391 781 tv_selector = drm_property_create_enum(dev, 0,
f453ba04 782 "select subconnector",
4a67d391 783 drm_tv_select_enum_list,
f453ba04 784 ARRAY_SIZE(drm_tv_select_enum_list));
f453ba04
DA		 785 dev->mode_config.tv_select_subconnector_property = tv_selector;
786
787 tv_subconnector =
4a67d391
SH		 788 drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE,
789 "subconnector",
790 drm_tv_subconnector_enum_list,
f453ba04 791 ARRAY_SIZE(drm_tv_subconnector_enum_list));
f453ba04
DA		 792 dev->mode_config.tv_subconnector_property = tv_subconnector;
793
794 /*
795 * Other, TV specific properties: margins & TV modes.
796 */
797 dev->mode_config.tv_left_margin_property =
d9bc3c02 798 drm_property_create_range(dev, 0, "left margin", 0, 100);
f453ba04
DA		 799
800 dev->mode_config.tv_right_margin_property =
d9bc3c02 801 drm_property_create_range(dev, 0, "right margin", 0, 100);
f453ba04
DA		 802
803 dev->mode_config.tv_top_margin_property =
d9bc3c02 804 drm_property_create_range(dev, 0, "top margin", 0, 100);
f453ba04
DA		 805
806 dev->mode_config.tv_bottom_margin_property =
d9bc3c02 807 drm_property_create_range(dev, 0, "bottom margin", 0, 100);
f453ba04
DA		 808
809 dev->mode_config.tv_mode_property =
810 drm_property_create(dev, DRM_MODE_PROP_ENUM,
811 "mode", num_modes);
812 for (i = 0; i < num_modes; i++)
813 drm_property_add_enum(dev->mode_config.tv_mode_property, i,
814 i, modes[i]);
815
b6b7902e 816 dev->mode_config.tv_brightness_property =
d9bc3c02 817 drm_property_create_range(dev, 0, "brightness", 0, 100);
b6b7902e
FJ		 818
819 dev->mode_config.tv_contrast_property =
d9bc3c02 820 drm_property_create_range(dev, 0, "contrast", 0, 100);
b6b7902e
FJ		 821
822 dev->mode_config.tv_flicker_reduction_property =
d9bc3c02 823 drm_property_create_range(dev, 0, "flicker reduction", 0, 100);
b6b7902e 824
a75f0236 825 dev->mode_config.tv_overscan_property =
d9bc3c02 826 drm_property_create_range(dev, 0, "overscan", 0, 100);
a75f0236
FJ		 827
828 dev->mode_config.tv_saturation_property =
d9bc3c02 829 drm_property_create_range(dev, 0, "saturation", 0, 100);
a75f0236
FJ		 830
831 dev->mode_config.tv_hue_property =
d9bc3c02 832 drm_property_create_range(dev, 0, "hue", 0, 100);
a75f0236 833
f453ba04
DA		 834 return 0;
835}
836EXPORT_SYMBOL(drm_mode_create_tv_properties);
837
838/**
839 * drm_mode_create_scaling_mode_property - create scaling mode property
840 * @dev: DRM device
841 *
842 * Called by a driver the first time it's needed, must be attached to desired
843 * connectors.
844 */
845int drm_mode_create_scaling_mode_property(struct drm_device *dev)
846{
847 struct drm_property *scaling_mode;
f453ba04
DA		 848
849 if (dev->mode_config.scaling_mode_property)
850 return 0;
851
852 scaling_mode =
4a67d391
SH		 853 drm_property_create_enum(dev, 0, "scaling mode",
854 drm_scaling_mode_enum_list,
f453ba04 855 ARRAY_SIZE(drm_scaling_mode_enum_list));
f453ba04
DA		 856
857 dev->mode_config.scaling_mode_property = scaling_mode;
858
859 return 0;
860}
861EXPORT_SYMBOL(drm_mode_create_scaling_mode_property);
862
863/**
864 * drm_mode_create_dithering_property - create dithering property
865 * @dev: DRM device
866 *
867 * Called by a driver the first time it's needed, must be attached to desired
868 * connectors.
869 */
870int drm_mode_create_dithering_property(struct drm_device *dev)
871{
872 struct drm_property *dithering_mode;
f453ba04
DA		 873
874 if (dev->mode_config.dithering_mode_property)
875 return 0;
876
877 dithering_mode =
4a67d391
SH		 878 drm_property_create_enum(dev, 0, "dithering",
879 drm_dithering_mode_enum_list,
f453ba04 880 ARRAY_SIZE(drm_dithering_mode_enum_list));
f453ba04
DA		 881 dev->mode_config.dithering_mode_property = dithering_mode;
882
883 return 0;
884}
885EXPORT_SYMBOL(drm_mode_create_dithering_property);
886
884840aa
JB		 887/**
888 * drm_mode_create_dirty_property - create dirty property
889 * @dev: DRM device
890 *
891 * Called by a driver the first time it's needed, must be attached to desired
892 * connectors.
893 */
894int drm_mode_create_dirty_info_property(struct drm_device *dev)
895{
896 struct drm_property *dirty_info;
884840aa
JB		 897
898 if (dev->mode_config.dirty_info_property)
899 return 0;
900
901 dirty_info =
4a67d391 902 drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE,
884840aa 903 "dirty",
4a67d391 904 drm_dirty_info_enum_list,
884840aa 905 ARRAY_SIZE(drm_dirty_info_enum_list));
884840aa
JB		 906 dev->mode_config.dirty_info_property = dirty_info;
907
908 return 0;
909}
910EXPORT_SYMBOL(drm_mode_create_dirty_info_property);
911
f453ba04
DA		 912/**
913 * drm_mode_config_init - initialize DRM mode_configuration structure
914 * @dev: DRM device
915 *
916 * LOCKING:
917 * None, should happen single threaded at init time.
918 *
919 * Initialize @dev's mode_config structure, used for tracking the graphics
920 * configuration of @dev.
921 */
922void drm_mode_config_init(struct drm_device *dev)
923{
924 mutex_init(&dev->mode_config.mutex);
ad2563c2 925 mutex_init(&dev->mode_config.idr_mutex);
f453ba04 926 INIT_LIST_HEAD(&dev->mode_config.fb_list);
f453ba04
DA		 927 INIT_LIST_HEAD(&dev->mode_config.crtc_list);
928 INIT_LIST_HEAD(&dev->mode_config.connector_list);
929 INIT_LIST_HEAD(&dev->mode_config.encoder_list);
930 INIT_LIST_HEAD(&dev->mode_config.property_list);
931 INIT_LIST_HEAD(&dev->mode_config.property_blob_list);
8cf5c917 932 INIT_LIST_HEAD(&dev->mode_config.plane_list);
f453ba04
DA		 933 idr_init(&dev->mode_config.crtc_idr);
934
935 mutex_lock(&dev->mode_config.mutex);
936 drm_mode_create_standard_connector_properties(dev);
937 mutex_unlock(&dev->mode_config.mutex);
938
939 /* Just to be sure */
940 dev->mode_config.num_fb = 0;
941 dev->mode_config.num_connector = 0;
942 dev->mode_config.num_crtc = 0;
943 dev->mode_config.num_encoder = 0;
f453ba04
DA		 944}
945EXPORT_SYMBOL(drm_mode_config_init);
946
947int drm_mode_group_init(struct drm_device *dev, struct drm_mode_group *group)
948{
949 uint32_t total_objects = 0;
950
951 total_objects += dev->mode_config.num_crtc;
952 total_objects += dev->mode_config.num_connector;
953 total_objects += dev->mode_config.num_encoder;
954
f453ba04
DA		 955 group->id_list = kzalloc(total_objects * sizeof(uint32_t), GFP_KERNEL);
956 if (!group->id_list)
957 return -ENOMEM;
958
959 group->num_crtcs = 0;
960 group->num_connectors = 0;
961 group->num_encoders = 0;
962 return 0;
963}
964
965int drm_mode_group_init_legacy_group(struct drm_device *dev,
966 struct drm_mode_group *group)
967{
968 struct drm_crtc *crtc;
969 struct drm_encoder *encoder;
970 struct drm_connector *connector;
971 int ret;
972
973 if ((ret = drm_mode_group_init(dev, group)))
974 return ret;
975
976 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head)
977 group->id_list[group->num_crtcs++] = crtc->base.id;
978
979 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head)
980 group->id_list[group->num_crtcs + group->num_encoders++] =
981 encoder->base.id;
982
983 list_for_each_entry(connector, &dev->mode_config.connector_list, head)
984 group->id_list[group->num_crtcs + group->num_encoders +
985 group->num_connectors++] = connector->base.id;
986
987 return 0;
988}
9c1dfc55 989EXPORT_SYMBOL(drm_mode_group_init_legacy_group);
f453ba04
DA		 990
991/**
992 * drm_mode_config_cleanup - free up DRM mode_config info
993 * @dev: DRM device
994 *
995 * LOCKING:
996 * Caller must hold mode config lock.
997 *
998 * Free up all the connectors and CRTCs associated with this DRM device, then
999 * free up the framebuffers and associated buffer objects.
1000 *
1001 * FIXME: cleanup any dangling user buffer objects too
1002 */
1003void drm_mode_config_cleanup(struct drm_device *dev)
1004{
1005 struct drm_connector *connector, *ot;
1006 struct drm_crtc *crtc, *ct;
1007 struct drm_encoder *encoder, *enct;
1008 struct drm_framebuffer *fb, *fbt;
1009 struct drm_property *property, *pt;
8cf5c917 1010 struct drm_plane *plane, *plt;
f453ba04
DA		 1011
1012 list_for_each_entry_safe(encoder, enct, &dev->mode_config.encoder_list,
1013 head) {
1014 encoder->funcs->destroy(encoder);
1015 }
1016
1017 list_for_each_entry_safe(connector, ot,
1018 &dev->mode_config.connector_list, head) {
1019 connector->funcs->destroy(connector);
1020 }
1021
1022 list_for_each_entry_safe(property, pt, &dev->mode_config.property_list,
1023 head) {
1024 drm_property_destroy(dev, property);
1025 }
1026
1027 list_for_each_entry_safe(fb, fbt, &dev->mode_config.fb_list, head) {
1028 fb->funcs->destroy(fb);
1029 }
1030
1031 list_for_each_entry_safe(crtc, ct, &dev->mode_config.crtc_list, head) {
1032 crtc->funcs->destroy(crtc);
1033 }
1034
8cf5c917
JB		 1035 list_for_each_entry_safe(plane, plt, &dev->mode_config.plane_list,
1036 head) {
1037 plane->funcs->destroy(plane);
1038 }
59ce062e
SH		 1039
1040 idr_remove_all(&dev->mode_config.crtc_idr);
1041 idr_destroy(&dev->mode_config.crtc_idr);
f453ba04
DA		 1042}
1043EXPORT_SYMBOL(drm_mode_config_cleanup);
1044
f453ba04
DA		 1045/**
1046 * drm_crtc_convert_to_umode - convert a drm_display_mode into a modeinfo
1047 * @out: drm_mode_modeinfo struct to return to the user
1048 * @in: drm_display_mode to use
1049 *
1050 * LOCKING:
1051 * None.
1052 *
1053 * Convert a drm_display_mode into a drm_mode_modeinfo structure to return to
1054 * the user.
1055 */
93bbf6db
VS		 1056static void drm_crtc_convert_to_umode(struct drm_mode_modeinfo *out,
1057 const struct drm_display_mode *in)
f453ba04 1058{
e36fae38
VS		 1059 WARN(in->hdisplay > USHRT_MAX || in->hsync_start > USHRT_MAX ||
1060 in->hsync_end > USHRT_MAX || in->htotal > USHRT_MAX ||
1061 in->hskew > USHRT_MAX || in->vdisplay > USHRT_MAX ||
1062 in->vsync_start > USHRT_MAX || in->vsync_end > USHRT_MAX ||
1063 in->vtotal > USHRT_MAX || in->vscan > USHRT_MAX,
1064 "timing values too large for mode info\n");
1065
f453ba04
DA		 1066 out->clock = in->clock;
1067 out->hdisplay = in->hdisplay;
1068 out->hsync_start = in->hsync_start;
1069 out->hsync_end = in->hsync_end;
1070 out->htotal = in->htotal;
1071 out->hskew = in->hskew;
1072 out->vdisplay = in->vdisplay;
1073 out->vsync_start = in->vsync_start;
1074 out->vsync_end = in->vsync_end;
1075 out->vtotal = in->vtotal;
1076 out->vscan = in->vscan;
1077 out->vrefresh = in->vrefresh;
1078 out->flags = in->flags;
1079 out->type = in->type;
1080 strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN);
1081 out->name[DRM_DISPLAY_MODE_LEN-1] = 0;
1082}
1083
1084/**
1085 * drm_crtc_convert_to_umode - convert a modeinfo into a drm_display_mode
1086 * @out: drm_display_mode to return to the user
1087 * @in: drm_mode_modeinfo to use
1088 *
1089 * LOCKING:
1090 * None.
1091 *
1092 * Convert a drm_mode_modeinfo into a drm_display_mode structure to return to
1093 * the caller.
90367bf6
VS		 1094 *
1095 * RETURNS:
1096 * Zero on success, errno on failure.
f453ba04 1097 */
93bbf6db
VS		 1098static int drm_crtc_convert_umode(struct drm_display_mode *out,
1099 const struct drm_mode_modeinfo *in)
f453ba04 1100{
90367bf6
VS		 1101 if (in->clock > INT_MAX || in->vrefresh > INT_MAX)
1102 return -ERANGE;
1103
f453ba04
DA		 1104 out->clock = in->clock;
1105 out->hdisplay = in->hdisplay;
1106 out->hsync_start = in->hsync_start;
1107 out->hsync_end = in->hsync_end;
1108 out->htotal = in->htotal;
1109 out->hskew = in->hskew;
1110 out->vdisplay = in->vdisplay;
1111 out->vsync_start = in->vsync_start;
1112 out->vsync_end = in->vsync_end;
1113 out->vtotal = in->vtotal;
1114 out->vscan = in->vscan;
1115 out->vrefresh = in->vrefresh;
1116 out->flags = in->flags;
1117 out->type = in->type;
1118 strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN);
1119 out->name[DRM_DISPLAY_MODE_LEN-1] = 0;
90367bf6
VS		 1120
1121 return 0;
f453ba04
DA		 1122}
1123
1124/**
1125 * drm_mode_getresources - get graphics configuration
1126 * @inode: inode from the ioctl
1127 * @filp: file * from the ioctl
1128 * @cmd: cmd from ioctl
1129 * @arg: arg from ioctl
1130 *
1131 * LOCKING:
1132 * Takes mode config lock.
1133 *
1134 * Construct a set of configuration description structures and return
1135 * them to the user, including CRTC, connector and framebuffer configuration.
1136 *
1137 * Called by the user via ioctl.
1138 *
1139 * RETURNS:
1140 * Zero on success, errno on failure.
1141 */
1142int drm_mode_getresources(struct drm_device *dev, void *data,
1143 struct drm_file *file_priv)
1144{
1145 struct drm_mode_card_res *card_res = data;
1146 struct list_head *lh;
1147 struct drm_framebuffer *fb;
1148 struct drm_connector *connector;
1149 struct drm_crtc *crtc;
1150 struct drm_encoder *encoder;
1151 int ret = 0;
1152 int connector_count = 0;
1153 int crtc_count = 0;
1154 int fb_count = 0;
1155 int encoder_count = 0;
1156 int copied = 0, i;
1157 uint32_t __user *fb_id;
1158 uint32_t __user *crtc_id;
1159 uint32_t __user *connector_id;
1160 uint32_t __user *encoder_id;
1161 struct drm_mode_group *mode_group;
1162
fb3b06c8
DA		 1163 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1164 return -EINVAL;
1165
f453ba04
DA		 1166 mutex_lock(&dev->mode_config.mutex);
1167
1168 /*
1169 * For the non-control nodes we need to limit the list of resources
1170 * by IDs in the group list for this node
1171 */
1172 list_for_each(lh, &file_priv->fbs)
1173 fb_count++;
1174
1175 mode_group = &file_priv->master->minor->mode_group;
1176 if (file_priv->master->minor->type == DRM_MINOR_CONTROL) {
1177
1178 list_for_each(lh, &dev->mode_config.crtc_list)
1179 crtc_count++;
1180
1181 list_for_each(lh, &dev->mode_config.connector_list)
1182 connector_count++;
1183
1184 list_for_each(lh, &dev->mode_config.encoder_list)
1185 encoder_count++;
1186 } else {
1187
1188 crtc_count = mode_group->num_crtcs;
1189 connector_count = mode_group->num_connectors;
1190 encoder_count = mode_group->num_encoders;
1191 }
1192
1193 card_res->max_height = dev->mode_config.max_height;
1194 card_res->min_height = dev->mode_config.min_height;
1195 card_res->max_width = dev->mode_config.max_width;
1196 card_res->min_width = dev->mode_config.min_width;
1197
1198 /* handle this in 4 parts */
1199 /* FBs */
1200 if (card_res->count_fbs >= fb_count) {
1201 copied = 0;
1202 fb_id = (uint32_t __user *)(unsigned long)card_res->fb_id_ptr;
618c75e4 1203 list_for_each_entry(fb, &file_priv->fbs, filp_head) {
f453ba04
DA		 1204 if (put_user(fb->base.id, fb_id + copied)) {
1205 ret = -EFAULT;
1206 goto out;
1207 }
1208 copied++;
1209 }
1210 }
1211 card_res->count_fbs = fb_count;
1212
1213 /* CRTCs */
1214 if (card_res->count_crtcs >= crtc_count) {
1215 copied = 0;
1216 crtc_id = (uint32_t __user *)(unsigned long)card_res->crtc_id_ptr;
1217 if (file_priv->master->minor->type == DRM_MINOR_CONTROL) {
1218 list_for_each_entry(crtc, &dev->mode_config.crtc_list,
1219 head) {
9440106b 1220 DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id);
f453ba04
DA		 1221 if (put_user(crtc->base.id, crtc_id + copied)) {
1222 ret = -EFAULT;
1223 goto out;
1224 }
1225 copied++;
1226 }
1227 } else {
1228 for (i = 0; i < mode_group->num_crtcs; i++) {
1229 if (put_user(mode_group->id_list[i],
1230 crtc_id + copied)) {
1231 ret = -EFAULT;
1232 goto out;
1233 }
1234 copied++;
1235 }
1236 }
1237 }
1238 card_res->count_crtcs = crtc_count;
1239
1240 /* Encoders */
1241 if (card_res->count_encoders >= encoder_count) {
1242 copied = 0;
1243 encoder_id = (uint32_t __user *)(unsigned long)card_res->encoder_id_ptr;
1244 if (file_priv->master->minor->type == DRM_MINOR_CONTROL) {
1245 list_for_each_entry(encoder,
1246 &dev->mode_config.encoder_list,
1247 head) {
9440106b
JG		 1248 DRM_DEBUG_KMS("[ENCODER:%d:%s]\n", encoder->base.id,
1249 drm_get_encoder_name(encoder));
f453ba04
DA		 1250 if (put_user(encoder->base.id, encoder_id +
1251 copied)) {
1252 ret = -EFAULT;
1253 goto out;
1254 }
1255 copied++;
1256 }
1257 } else {
1258 for (i = mode_group->num_crtcs; i < mode_group->num_crtcs + mode_group->num_encoders; i++) {
1259 if (put_user(mode_group->id_list[i],
1260 encoder_id + copied)) {
1261 ret = -EFAULT;
1262 goto out;
1263 }
1264 copied++;
1265 }
1266
1267 }
1268 }
1269 card_res->count_encoders = encoder_count;
1270
1271 /* Connectors */
1272 if (card_res->count_connectors >= connector_count) {
1273 copied = 0;
1274 connector_id = (uint32_t __user *)(unsigned long)card_res->connector_id_ptr;
1275 if (file_priv->master->minor->type == DRM_MINOR_CONTROL) {
1276 list_for_each_entry(connector,
1277 &dev->mode_config.connector_list,
1278 head) {
9440106b
JG		 1279 DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
1280 connector->base.id,
1281 drm_get_connector_name(connector));
f453ba04
DA		 1282 if (put_user(connector->base.id,
1283 connector_id + copied)) {
1284 ret = -EFAULT;
1285 goto out;
1286 }
1287 copied++;
1288 }
1289 } else {
1290 int start = mode_group->num_crtcs +
1291 mode_group->num_encoders;
1292 for (i = start; i < start + mode_group->num_connectors; i++) {
1293 if (put_user(mode_group->id_list[i],
1294 connector_id + copied)) {
1295 ret = -EFAULT;
1296 goto out;
1297 }
1298 copied++;
1299 }
1300 }
1301 }
1302 card_res->count_connectors = connector_count;
1303
9440106b 1304 DRM_DEBUG_KMS("CRTC[%d] CONNECTORS[%d] ENCODERS[%d]\n", card_res->count_crtcs,
f453ba04
DA		 1305 card_res->count_connectors, card_res->count_encoders);
1306
1307out:
1308 mutex_unlock(&dev->mode_config.mutex);
1309 return ret;
1310}
1311
1312/**
1313 * drm_mode_getcrtc - get CRTC configuration
1314 * @inode: inode from the ioctl
1315 * @filp: file * from the ioctl
1316 * @cmd: cmd from ioctl
1317 * @arg: arg from ioctl
1318 *
1319 * LOCKING:
b20f3867 1320 * Takes mode config lock.
f453ba04
DA		 1321 *
1322 * Construct a CRTC configuration structure to return to the user.
1323 *
1324 * Called by the user via ioctl.
1325 *
1326 * RETURNS:
1327 * Zero on success, errno on failure.
1328 */
1329int drm_mode_getcrtc(struct drm_device *dev,
1330 void *data, struct drm_file *file_priv)
1331{
1332 struct drm_mode_crtc *crtc_resp = data;
1333 struct drm_crtc *crtc;
1334 struct drm_mode_object *obj;
1335 int ret = 0;
1336
fb3b06c8
DA		 1337 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1338 return -EINVAL;
1339
f453ba04
DA		 1340 mutex_lock(&dev->mode_config.mutex);
1341
1342 obj = drm_mode_object_find(dev, crtc_resp->crtc_id,
1343 DRM_MODE_OBJECT_CRTC);
1344 if (!obj) {
1345 ret = -EINVAL;
1346 goto out;
1347 }
1348 crtc = obj_to_crtc(obj);
1349
1350 crtc_resp->x = crtc->x;
1351 crtc_resp->y = crtc->y;
1352 crtc_resp->gamma_size = crtc->gamma_size;
1353 if (crtc->fb)
1354 crtc_resp->fb_id = crtc->fb->base.id;
1355 else
1356 crtc_resp->fb_id = 0;
1357
1358 if (crtc->enabled) {
1359
1360 drm_crtc_convert_to_umode(&crtc_resp->mode, &crtc->mode);
1361 crtc_resp->mode_valid = 1;
1362
1363 } else {
1364 crtc_resp->mode_valid = 0;
1365 }
1366
1367out:
1368 mutex_unlock(&dev->mode_config.mutex);
1369 return ret;
1370}
1371
1372/**
1373 * drm_mode_getconnector - get connector configuration
1374 * @inode: inode from the ioctl
1375 * @filp: file * from the ioctl
1376 * @cmd: cmd from ioctl
1377 * @arg: arg from ioctl
1378 *
1379 * LOCKING:
b20f3867 1380 * Takes mode config lock.
f453ba04
DA		 1381 *
1382 * Construct a connector configuration structure to return to the user.
1383 *
1384 * Called by the user via ioctl.
1385 *
1386 * RETURNS:
1387 * Zero on success, errno on failure.
1388 */
1389int drm_mode_getconnector(struct drm_device *dev, void *data,
1390 struct drm_file *file_priv)
1391{
1392 struct drm_mode_get_connector *out_resp = data;
1393 struct drm_mode_object *obj;
1394 struct drm_connector *connector;
1395 struct drm_display_mode *mode;
1396 int mode_count = 0;
1397 int props_count = 0;
1398 int encoders_count = 0;
1399 int ret = 0;
1400 int copied = 0;
1401 int i;
1402 struct drm_mode_modeinfo u_mode;
1403 struct drm_mode_modeinfo __user *mode_ptr;
1404 uint32_t __user *prop_ptr;
1405 uint64_t __user *prop_values;
1406 uint32_t __user *encoder_ptr;
1407
fb3b06c8
DA		 1408 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1409 return -EINVAL;
1410
f453ba04
DA		 1411 memset(&u_mode, 0, sizeof(struct drm_mode_modeinfo));
1412
9440106b 1413 DRM_DEBUG_KMS("[CONNECTOR:%d:?]\n", out_resp->connector_id);
f453ba04
DA		 1414
1415 mutex_lock(&dev->mode_config.mutex);
1416
1417 obj = drm_mode_object_find(dev, out_resp->connector_id,
1418 DRM_MODE_OBJECT_CONNECTOR);
1419 if (!obj) {
1420 ret = -EINVAL;
1421 goto out;
1422 }
1423 connector = obj_to_connector(obj);
1424
1425 for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
1426 if (connector->property_ids[i] != 0) {
1427 props_count++;
1428 }
1429 }
1430
1431 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1432 if (connector->encoder_ids[i] != 0) {
1433 encoders_count++;
1434 }
1435 }
1436
1437 if (out_resp->count_modes == 0) {
1438 connector->funcs->fill_modes(connector,
1439 dev->mode_config.max_width,
1440 dev->mode_config.max_height);
1441 }
1442
1443 /* delayed so we get modes regardless of pre-fill_modes state */
1444 list_for_each_entry(mode, &connector->modes, head)
1445 mode_count++;
1446
1447 out_resp->connector_id = connector->base.id;
1448 out_resp->connector_type = connector->connector_type;
1449 out_resp->connector_type_id = connector->connector_type_id;
1450 out_resp->mm_width = connector->display_info.width_mm;
1451 out_resp->mm_height = connector->display_info.height_mm;
1452 out_resp->subpixel = connector->display_info.subpixel_order;
1453 out_resp->connection = connector->status;
1454 if (connector->encoder)
1455 out_resp->encoder_id = connector->encoder->base.id;
1456 else
1457 out_resp->encoder_id = 0;
1458
1459 /*
1460 * This ioctl is called twice, once to determine how much space is
1461 * needed, and the 2nd time to fill it.
1462 */
1463 if ((out_resp->count_modes >= mode_count) && mode_count) {
1464 copied = 0;
81f6c7f8 1465 mode_ptr = (struct drm_mode_modeinfo __user *)(unsigned long)out_resp->modes_ptr;
f453ba04
DA		 1466 list_for_each_entry(mode, &connector->modes, head) {
1467 drm_crtc_convert_to_umode(&u_mode, mode);
1468 if (copy_to_user(mode_ptr + copied,
1469 &u_mode, sizeof(u_mode))) {
1470 ret = -EFAULT;
1471 goto out;
1472 }
1473 copied++;
1474 }
1475 }
1476 out_resp->count_modes = mode_count;
1477
1478 if ((out_resp->count_props >= props_count) && props_count) {
1479 copied = 0;
81f6c7f8
VS		 1480 prop_ptr = (uint32_t __user *)(unsigned long)(out_resp->props_ptr);
1481 prop_values = (uint64_t __user *)(unsigned long)(out_resp->prop_values_ptr);
f453ba04
DA		 1482 for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
1483 if (connector->property_ids[i] != 0) {
1484 if (put_user(connector->property_ids[i],
1485 prop_ptr + copied)) {
1486 ret = -EFAULT;
1487 goto out;
1488 }
1489
1490 if (put_user(connector->property_values[i],
1491 prop_values + copied)) {
1492 ret = -EFAULT;
1493 goto out;
1494 }
1495 copied++;
1496 }
1497 }
1498 }
1499 out_resp->count_props = props_count;
1500
1501 if ((out_resp->count_encoders >= encoders_count) && encoders_count) {
1502 copied = 0;
81f6c7f8 1503 encoder_ptr = (uint32_t __user *)(unsigned long)(out_resp->encoders_ptr);
f453ba04
DA		 1504 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1505 if (connector->encoder_ids[i] != 0) {
1506 if (put_user(connector->encoder_ids[i],
1507 encoder_ptr + copied)) {
1508 ret = -EFAULT;
1509 goto out;
1510 }
1511 copied++;
1512 }
1513 }
1514 }
1515 out_resp->count_encoders = encoders_count;
1516
1517out:
1518 mutex_unlock(&dev->mode_config.mutex);
1519 return ret;
1520}
1521
1522int drm_mode_getencoder(struct drm_device *dev, void *data,
1523 struct drm_file *file_priv)
1524{
1525 struct drm_mode_get_encoder *enc_resp = data;
1526 struct drm_mode_object *obj;
1527 struct drm_encoder *encoder;
1528 int ret = 0;
1529
fb3b06c8
DA		 1530 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1531 return -EINVAL;
1532
f453ba04
DA		 1533 mutex_lock(&dev->mode_config.mutex);
1534 obj = drm_mode_object_find(dev, enc_resp->encoder_id,
1535 DRM_MODE_OBJECT_ENCODER);
1536 if (!obj) {
1537 ret = -EINVAL;
1538 goto out;
1539 }
1540 encoder = obj_to_encoder(obj);
1541
1542 if (encoder->crtc)
1543 enc_resp->crtc_id = encoder->crtc->base.id;
1544 else
1545 enc_resp->crtc_id = 0;
1546 enc_resp->encoder_type = encoder->encoder_type;
1547 enc_resp->encoder_id = encoder->base.id;
1548 enc_resp->possible_crtcs = encoder->possible_crtcs;
1549 enc_resp->possible_clones = encoder->possible_clones;
1550
1551out:
1552 mutex_unlock(&dev->mode_config.mutex);
1553 return ret;
1554}
1555
8cf5c917
JB		 1556/**
1557 * drm_mode_getplane_res - get plane info
1558 * @dev: DRM device
1559 * @data: ioctl data
1560 * @file_priv: DRM file info
1561 *
b20f3867
SH		 1562 * LOCKING:
1563 * Takes mode config lock.
1564 *
8cf5c917
JB		 1565 * Return an plane count and set of IDs.
1566 */
1567int drm_mode_getplane_res(struct drm_device *dev, void *data,
1568 struct drm_file *file_priv)
1569{
1570 struct drm_mode_get_plane_res *plane_resp = data;
1571 struct drm_mode_config *config;
1572 struct drm_plane *plane;
1573 uint32_t __user *plane_ptr;
1574 int copied = 0, ret = 0;
1575
1576 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1577 return -EINVAL;
1578
1579 mutex_lock(&dev->mode_config.mutex);
1580 config = &dev->mode_config;
1581
1582 /*
1583 * This ioctl is called twice, once to determine how much space is
1584 * needed, and the 2nd time to fill it.
1585 */
1586 if (config->num_plane &&
1587 (plane_resp->count_planes >= config->num_plane)) {
81f6c7f8 1588 plane_ptr = (uint32_t __user *)(unsigned long)plane_resp->plane_id_ptr;
8cf5c917
JB		 1589
1590 list_for_each_entry(plane, &config->plane_list, head) {
1591 if (put_user(plane->base.id, plane_ptr + copied)) {
1592 ret = -EFAULT;
1593 goto out;
1594 }
1595 copied++;
1596 }
1597 }
1598 plane_resp->count_planes = config->num_plane;
1599
1600out:
1601 mutex_unlock(&dev->mode_config.mutex);
1602 return ret;
1603}
1604
1605/**
1606 * drm_mode_getplane - get plane info
1607 * @dev: DRM device
1608 * @data: ioctl data
1609 * @file_priv: DRM file info
1610 *
b20f3867
SH		 1611 * LOCKING:
1612 * Takes mode config lock.
1613 *
8cf5c917
JB		 1614 * Return plane info, including formats supported, gamma size, any
1615 * current fb, etc.
1616 */
1617int drm_mode_getplane(struct drm_device *dev, void *data,
1618 struct drm_file *file_priv)
1619{
1620 struct drm_mode_get_plane *plane_resp = data;
1621 struct drm_mode_object *obj;
1622 struct drm_plane *plane;
1623 uint32_t __user *format_ptr;
1624 int ret = 0;
1625
1626 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1627 return -EINVAL;
1628
1629 mutex_lock(&dev->mode_config.mutex);
1630 obj = drm_mode_object_find(dev, plane_resp->plane_id,
1631 DRM_MODE_OBJECT_PLANE);
1632 if (!obj) {
1633 ret = -ENOENT;
1634 goto out;
1635 }
1636 plane = obj_to_plane(obj);
1637
1638 if (plane->crtc)
1639 plane_resp->crtc_id = plane->crtc->base.id;
1640 else
1641 plane_resp->crtc_id = 0;
1642
1643 if (plane->fb)
1644 plane_resp->fb_id = plane->fb->base.id;
1645 else
1646 plane_resp->fb_id = 0;
1647
1648 plane_resp->plane_id = plane->base.id;
1649 plane_resp->possible_crtcs = plane->possible_crtcs;
1650 plane_resp->gamma_size = plane->gamma_size;
1651
1652 /*
1653 * This ioctl is called twice, once to determine how much space is
1654 * needed, and the 2nd time to fill it.
1655 */
1656 if (plane->format_count &&
1657 (plane_resp->count_format_types >= plane->format_count)) {
81f6c7f8 1658 format_ptr = (uint32_t __user *)(unsigned long)plane_resp->format_type_ptr;
8cf5c917
JB		 1659 if (copy_to_user(format_ptr,
1660 plane->format_types,
1661 sizeof(uint32_t) * plane->format_count)) {
1662 ret = -EFAULT;
1663 goto out;
1664 }
1665 }
1666 plane_resp->count_format_types = plane->format_count;
1667
1668out:
1669 mutex_unlock(&dev->mode_config.mutex);
1670 return ret;
1671}
1672
1673/**
1674 * drm_mode_setplane - set up or tear down an plane
1675 * @dev: DRM device
1676 * @data: ioctl data*
1677 * @file_prive: DRM file info
1678 *
b20f3867
SH		 1679 * LOCKING:
1680 * Takes mode config lock.
1681 *
8cf5c917
JB		 1682 * Set plane info, including placement, fb, scaling, and other factors.
1683 * Or pass a NULL fb to disable.
1684 */
1685int drm_mode_setplane(struct drm_device *dev, void *data,
1686 struct drm_file *file_priv)
1687{
1688 struct drm_mode_set_plane *plane_req = data;
1689 struct drm_mode_object *obj;
1690 struct drm_plane *plane;
1691 struct drm_crtc *crtc;
1692 struct drm_framebuffer *fb;
1693 int ret = 0;
42ef8789 1694 unsigned int fb_width, fb_height;
62443be6 1695 int i;
8cf5c917
JB		 1696
1697 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1698 return -EINVAL;
1699
1700 mutex_lock(&dev->mode_config.mutex);
1701
1702 /*
1703 * First, find the plane, crtc, and fb objects. If not available,
1704 * we don't bother to call the driver.
1705 */
1706 obj = drm_mode_object_find(dev, plane_req->plane_id,
1707 DRM_MODE_OBJECT_PLANE);
1708 if (!obj) {
1709 DRM_DEBUG_KMS("Unknown plane ID %d\n",
1710 plane_req->plane_id);
1711 ret = -ENOENT;
1712 goto out;
1713 }
1714 plane = obj_to_plane(obj);
1715
1716 /* No fb means shut it down */
1717 if (!plane_req->fb_id) {
1718 plane->funcs->disable_plane(plane);
e5e3b44c
VS		 1719 plane->crtc = NULL;
1720 plane->fb = NULL;
8cf5c917
JB		 1721 goto out;
1722 }
1723
1724 obj = drm_mode_object_find(dev, plane_req->crtc_id,
1725 DRM_MODE_OBJECT_CRTC);
1726 if (!obj) {
1727 DRM_DEBUG_KMS("Unknown crtc ID %d\n",
1728 plane_req->crtc_id);
1729 ret = -ENOENT;
1730 goto out;
1731 }
1732 crtc = obj_to_crtc(obj);
1733
1734 obj = drm_mode_object_find(dev, plane_req->fb_id,
1735 DRM_MODE_OBJECT_FB);
1736 if (!obj) {
1737 DRM_DEBUG_KMS("Unknown framebuffer ID %d\n",
1738 plane_req->fb_id);
1739 ret = -ENOENT;
1740 goto out;
1741 }
1742 fb = obj_to_fb(obj);
1743
62443be6
VS		 1744 /* Check whether this plane supports the fb pixel format. */
1745 for (i = 0; i < plane->format_count; i++)
1746 if (fb->pixel_format == plane->format_types[i])
1747 break;
1748 if (i == plane->format_count) {
1749 DRM_DEBUG_KMS("Invalid pixel format 0x%08x\n", fb->pixel_format);
1750 ret = -EINVAL;
1751 goto out;
1752 }
1753
42ef8789
VS		 1754 fb_width = fb->width << 16;
1755 fb_height = fb->height << 16;
1756
1757 /* Make sure source coordinates are inside the fb. */
1758 if (plane_req->src_w > fb_width ||
1759 plane_req->src_x > fb_width - plane_req->src_w ||
1760 plane_req->src_h > fb_height ||
1761 plane_req->src_y > fb_height - plane_req->src_h) {
1762 DRM_DEBUG_KMS("Invalid source coordinates "
1763 "%u.%06ux%u.%06u+%u.%06u+%u.%06u\n",
1764 plane_req->src_w >> 16,
1765 ((plane_req->src_w & 0xffff) * 15625) >> 10,
1766 plane_req->src_h >> 16,
1767 ((plane_req->src_h & 0xffff) * 15625) >> 10,
1768 plane_req->src_x >> 16,
1769 ((plane_req->src_x & 0xffff) * 15625) >> 10,
1770 plane_req->src_y >> 16,
1771 ((plane_req->src_y & 0xffff) * 15625) >> 10);
1772 ret = -ENOSPC;
1773 goto out;
1774 }
1775
687a0400
VS		 1776 /* Give drivers some help against integer overflows */
1777 if (plane_req->crtc_w > INT_MAX ||
1778 plane_req->crtc_x > INT_MAX - (int32_t) plane_req->crtc_w ||
1779 plane_req->crtc_h > INT_MAX ||
1780 plane_req->crtc_y > INT_MAX - (int32_t) plane_req->crtc_h) {
1781 DRM_DEBUG_KMS("Invalid CRTC coordinates %ux%u+%d+%d\n",
1782 plane_req->crtc_w, plane_req->crtc_h,
1783 plane_req->crtc_x, plane_req->crtc_y);
1784 ret = -ERANGE;
1785 goto out;
1786 }
1787
8cf5c917
JB		 1788 ret = plane->funcs->update_plane(plane, crtc, fb,
1789 plane_req->crtc_x, plane_req->crtc_y,
1790 plane_req->crtc_w, plane_req->crtc_h,
1791 plane_req->src_x, plane_req->src_y,
1792 plane_req->src_w, plane_req->src_h);
1793 if (!ret) {
1794 plane->crtc = crtc;
1795 plane->fb = fb;
1796 }
1797
1798out:
1799 mutex_unlock(&dev->mode_config.mutex);
1800
1801 return ret;
1802}
1803
f453ba04
DA		 1804/**
1805 * drm_mode_setcrtc - set CRTC configuration
1806 * @inode: inode from the ioctl
1807 * @filp: file * from the ioctl
1808 * @cmd: cmd from ioctl
1809 * @arg: arg from ioctl
1810 *
1811 * LOCKING:
b20f3867 1812 * Takes mode config lock.
f453ba04
DA		 1813 *
1814 * Build a new CRTC configuration based on user request.
1815 *
1816 * Called by the user via ioctl.
1817 *
1818 * RETURNS:
1819 * Zero on success, errno on failure.
1820 */
1821int drm_mode_setcrtc(struct drm_device *dev, void *data,
1822 struct drm_file *file_priv)
1823{
1824 struct drm_mode_config *config = &dev->mode_config;
1825 struct drm_mode_crtc *crtc_req = data;
1826 struct drm_mode_object *obj;
6653cc8d 1827 struct drm_crtc *crtc;
f453ba04
DA		 1828 struct drm_connector **connector_set = NULL, *connector;
1829 struct drm_framebuffer *fb = NULL;
1830 struct drm_display_mode *mode = NULL;
1831 struct drm_mode_set set;
1832 uint32_t __user *set_connectors_ptr;
1833 int ret = 0;
1834 int i;
1835
fb3b06c8
DA		 1836 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1837 return -EINVAL;
1838
1d97e915
VS		 1839 /* For some reason crtc x/y offsets are signed internally. */
1840 if (crtc_req->x > INT_MAX || crtc_req->y > INT_MAX)
1841 return -ERANGE;
1842
f453ba04
DA		 1843 mutex_lock(&dev->mode_config.mutex);
1844 obj = drm_mode_object_find(dev, crtc_req->crtc_id,
1845 DRM_MODE_OBJECT_CRTC);
1846 if (!obj) {
58367ed6 1847 DRM_DEBUG_KMS("Unknown CRTC ID %d\n", crtc_req->crtc_id);
f453ba04
DA		 1848 ret = -EINVAL;
1849 goto out;
1850 }
1851 crtc = obj_to_crtc(obj);
9440106b 1852 DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id);
f453ba04
DA		 1853
1854 if (crtc_req->mode_valid) {
1855 /* If we have a mode we need a framebuffer. */
1856 /* If we pass -1, set the mode with the currently bound fb */
1857 if (crtc_req->fb_id == -1) {
6653cc8d
VS		 1858 if (!crtc->fb) {
1859 DRM_DEBUG_KMS("CRTC doesn't have current FB\n");
1860 ret = -EINVAL;
1861 goto out;
f453ba04 1862 }
6653cc8d 1863 fb = crtc->fb;
f453ba04
DA		 1864 } else {
1865 obj = drm_mode_object_find(dev, crtc_req->fb_id,
1866 DRM_MODE_OBJECT_FB);
1867 if (!obj) {
58367ed6
ZY		 1868 DRM_DEBUG_KMS("Unknown FB ID%d\n",
1869 crtc_req->fb_id);
f453ba04
DA		 1870 ret = -EINVAL;
1871 goto out;
1872 }
1873 fb = obj_to_fb(obj);
1874 }
1875
1876 mode = drm_mode_create(dev);
ee34ab5b
VS		 1877 if (!mode) {
1878 ret = -ENOMEM;
1879 goto out;
1880 }
1881
90367bf6
VS		 1882 ret = drm_crtc_convert_umode(mode, &crtc_req->mode);
1883 if (ret) {
1884 DRM_DEBUG_KMS("Invalid mode\n");
1885 goto out;
1886 }
1887
f453ba04 1888 drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V);
5f61bb42
VS		 1889
1890 if (mode->hdisplay > fb->width ||
1891 mode->vdisplay > fb->height ||
1892 crtc_req->x > fb->width - mode->hdisplay ||
1893 crtc_req->y > fb->height - mode->vdisplay) {
1894 DRM_DEBUG_KMS("Invalid CRTC viewport %ux%u+%u+%u for fb size %ux%u.\n",
1895 mode->hdisplay, mode->vdisplay,
1896 crtc_req->x, crtc_req->y,
1897 fb->width, fb->height);
1898 ret = -ENOSPC;
1899 goto out;
1900 }
f453ba04
DA		 1901 }
1902
1903 if (crtc_req->count_connectors == 0 && mode) {
58367ed6 1904 DRM_DEBUG_KMS("Count connectors is 0 but mode set\n");
f453ba04
DA		 1905 ret = -EINVAL;
1906 goto out;
1907 }
1908
7781de74 1909 if (crtc_req->count_connectors > 0 && (!mode || !fb)) {
58367ed6 1910 DRM_DEBUG_KMS("Count connectors is %d but no mode or fb set\n",
f453ba04
DA		 1911 crtc_req->count_connectors);
1912 ret = -EINVAL;
1913 goto out;
1914 }
1915
1916 if (crtc_req->count_connectors > 0) {
1917 u32 out_id;
1918
1919 /* Avoid unbounded kernel memory allocation */
1920 if (crtc_req->count_connectors > config->num_connector) {
1921 ret = -EINVAL;
1922 goto out;
1923 }
1924
1925 connector_set = kmalloc(crtc_req->count_connectors *
1926 sizeof(struct drm_connector *),
1927 GFP_KERNEL);
1928 if (!connector_set) {
1929 ret = -ENOMEM;
1930 goto out;
1931 }
1932
1933 for (i = 0; i < crtc_req->count_connectors; i++) {
81f6c7f8 1934 set_connectors_ptr = (uint32_t __user *)(unsigned long)crtc_req->set_connectors_ptr;
f453ba04
DA		 1935 if (get_user(out_id, &set_connectors_ptr[i])) {
1936 ret = -EFAULT;
1937 goto out;
1938 }
1939
1940 obj = drm_mode_object_find(dev, out_id,
1941 DRM_MODE_OBJECT_CONNECTOR);
1942 if (!obj) {
58367ed6
ZY		 1943 DRM_DEBUG_KMS("Connector id %d unknown\n",
1944 out_id);
f453ba04
DA		 1945 ret = -EINVAL;
1946 goto out;
1947 }
1948 connector = obj_to_connector(obj);
9440106b
JG		 1949 DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
1950 connector->base.id,
1951 drm_get_connector_name(connector));
f453ba04
DA		 1952
1953 connector_set[i] = connector;
1954 }
1955 }
1956
1957 set.crtc = crtc;
1958 set.x = crtc_req->x;
1959 set.y = crtc_req->y;
1960 set.mode = mode;
1961 set.connectors = connector_set;
1962 set.num_connectors = crtc_req->count_connectors;
5ef5f72f 1963 set.fb = fb;
f453ba04
DA		 1964 ret = crtc->funcs->set_config(&set);
1965
1966out:
1967 kfree(connector_set);
ee34ab5b 1968 drm_mode_destroy(dev, mode);
f453ba04
DA		 1969 mutex_unlock(&dev->mode_config.mutex);
1970 return ret;
1971}
1972
1973int drm_mode_cursor_ioctl(struct drm_device *dev,
1974 void *data, struct drm_file *file_priv)
1975{
1976 struct drm_mode_cursor *req = data;
1977 struct drm_mode_object *obj;
1978 struct drm_crtc *crtc;
1979 int ret = 0;
1980
fb3b06c8
DA		 1981 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1982 return -EINVAL;
1983
acb4b992 1984 if (!req->flags)
f453ba04 1985 return -EINVAL;
f453ba04
DA		 1986
1987 mutex_lock(&dev->mode_config.mutex);
e0c8463a 1988 obj = drm_mode_object_find(dev, req->crtc_id, DRM_MODE_OBJECT_CRTC);
f453ba04 1989 if (!obj) {
58367ed6 1990 DRM_DEBUG_KMS("Unknown CRTC ID %d\n", req->crtc_id);
f453ba04
DA		 1991 ret = -EINVAL;
1992 goto out;
1993 }
1994 crtc = obj_to_crtc(obj);
1995
1996 if (req->flags & DRM_MODE_CURSOR_BO) {
1997 if (!crtc->funcs->cursor_set) {
f453ba04
DA		 1998 ret = -ENXIO;
1999 goto out;
2000 }
2001 /* Turns off the cursor if handle is 0 */
2002 ret = crtc->funcs->cursor_set(crtc, file_priv, req->handle,
2003 req->width, req->height);
2004 }
2005
2006 if (req->flags & DRM_MODE_CURSOR_MOVE) {
2007 if (crtc->funcs->cursor_move) {
2008 ret = crtc->funcs->cursor_move(crtc, req->x, req->y);
2009 } else {
f453ba04
DA		 2010 ret = -EFAULT;
2011 goto out;
2012 }
2013 }
2014out:
2015 mutex_unlock(&dev->mode_config.mutex);
2016 return ret;
2017}
2018
308e5bcb
JB		 2019/* Original addfb only supported RGB formats, so figure out which one */
2020uint32_t drm_mode_legacy_fb_format(uint32_t bpp, uint32_t depth)
2021{
2022 uint32_t fmt;
2023
2024 switch (bpp) {
2025 case 8:
04b3924d 2026 fmt = DRM_FORMAT_RGB332;
308e5bcb
JB		 2027 break;
2028 case 16:
2029 if (depth == 15)
04b3924d 2030 fmt = DRM_FORMAT_XRGB1555;
308e5bcb 2031 else
04b3924d 2032 fmt = DRM_FORMAT_RGB565;
308e5bcb
JB		 2033 break;
2034 case 24:
04b3924d 2035 fmt = DRM_FORMAT_RGB888;
308e5bcb
JB		 2036 break;
2037 case 32:
2038 if (depth == 24)
04b3924d 2039 fmt = DRM_FORMAT_XRGB8888;
308e5bcb 2040 else if (depth == 30)
04b3924d 2041 fmt = DRM_FORMAT_XRGB2101010;
308e5bcb 2042 else
04b3924d 2043 fmt = DRM_FORMAT_ARGB8888;
308e5bcb
JB		 2044 break;
2045 default:
04b3924d
VS		 2046 DRM_ERROR("bad bpp, assuming x8r8g8b8 pixel format\n");
2047 fmt = DRM_FORMAT_XRGB8888;
308e5bcb
JB		 2048 break;
2049 }
2050
2051 return fmt;
2052}
2053EXPORT_SYMBOL(drm_mode_legacy_fb_format);
2054
f453ba04
DA		 2055/**
2056 * drm_mode_addfb - add an FB to the graphics configuration
2057 * @inode: inode from the ioctl
2058 * @filp: file * from the ioctl
2059 * @cmd: cmd from ioctl
2060 * @arg: arg from ioctl
2061 *
2062 * LOCKING:
2063 * Takes mode config lock.
2064 *
2065 * Add a new FB to the specified CRTC, given a user request.
2066 *
2067 * Called by the user via ioctl.
2068 *
2069 * RETURNS:
2070 * Zero on success, errno on failure.
2071 */
2072int drm_mode_addfb(struct drm_device *dev,
2073 void *data, struct drm_file *file_priv)
2074{
308e5bcb
JB		 2075 struct drm_mode_fb_cmd *or = data;
2076 struct drm_mode_fb_cmd2 r = {};
2077 struct drm_mode_config *config = &dev->mode_config;
2078 struct drm_framebuffer *fb;
2079 int ret = 0;
2080
2081 /* Use new struct with format internally */
2082 r.fb_id = or->fb_id;
2083 r.width = or->width;
2084 r.height = or->height;
2085 r.pitches[0] = or->pitch;
2086 r.pixel_format = drm_mode_legacy_fb_format(or->bpp, or->depth);
2087 r.handles[0] = or->handle;
2088
2089 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2090 return -EINVAL;
2091
acb4b992 2092 if ((config->min_width > r.width) || (r.width > config->max_width))
308e5bcb 2093 return -EINVAL;
acb4b992
JB		 2094
2095 if ((config->min_height > r.height) || (r.height > config->max_height))
308e5bcb 2096 return -EINVAL;
308e5bcb
JB		 2097
2098 mutex_lock(&dev->mode_config.mutex);
2099
2100 /* TODO check buffer is sufficiently large */
2101 /* TODO setup destructor callback */
2102
2103 fb = dev->mode_config.funcs->fb_create(dev, file_priv, &r);
2104 if (IS_ERR(fb)) {
2105 DRM_ERROR("could not create framebuffer\n");
2106 ret = PTR_ERR(fb);
2107 goto out;
2108 }
2109
2110 or->fb_id = fb->base.id;
2111 list_add(&fb->filp_head, &file_priv->fbs);
2112 DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id);
2113
2114out:
2115 mutex_unlock(&dev->mode_config.mutex);
2116 return ret;
2117}
2118
935b5977
VS		 2119static int format_check(struct drm_mode_fb_cmd2 *r)
2120{
2121 uint32_t format = r->pixel_format & ~DRM_FORMAT_BIG_ENDIAN;
2122
2123 switch (format) {
2124 case DRM_FORMAT_C8:
2125 case DRM_FORMAT_RGB332:
2126 case DRM_FORMAT_BGR233:
2127 case DRM_FORMAT_XRGB4444:
2128 case DRM_FORMAT_XBGR4444:
2129 case DRM_FORMAT_RGBX4444:
2130 case DRM_FORMAT_BGRX4444:
2131 case DRM_FORMAT_ARGB4444:
2132 case DRM_FORMAT_ABGR4444:
2133 case DRM_FORMAT_RGBA4444:
2134 case DRM_FORMAT_BGRA4444:
2135 case DRM_FORMAT_XRGB1555:
2136 case DRM_FORMAT_XBGR1555:
2137 case DRM_FORMAT_RGBX5551:
2138 case DRM_FORMAT_BGRX5551:
2139 case DRM_FORMAT_ARGB1555:
2140 case DRM_FORMAT_ABGR1555:
2141 case DRM_FORMAT_RGBA5551:
2142 case DRM_FORMAT_BGRA5551:
2143 case DRM_FORMAT_RGB565:
2144 case DRM_FORMAT_BGR565:
2145 case DRM_FORMAT_RGB888:
2146 case DRM_FORMAT_BGR888:
2147 case DRM_FORMAT_XRGB8888:
2148 case DRM_FORMAT_XBGR8888:
2149 case DRM_FORMAT_RGBX8888:
2150 case DRM_FORMAT_BGRX8888:
2151 case DRM_FORMAT_ARGB8888:
2152 case DRM_FORMAT_ABGR8888:
2153 case DRM_FORMAT_RGBA8888:
2154 case DRM_FORMAT_BGRA8888:
2155 case DRM_FORMAT_XRGB2101010:
2156 case DRM_FORMAT_XBGR2101010:
2157 case DRM_FORMAT_RGBX1010102:
2158 case DRM_FORMAT_BGRX1010102:
2159 case DRM_FORMAT_ARGB2101010:
2160 case DRM_FORMAT_ABGR2101010:
2161 case DRM_FORMAT_RGBA1010102:
2162 case DRM_FORMAT_BGRA1010102:
2163 case DRM_FORMAT_YUYV:
2164 case DRM_FORMAT_YVYU:
2165 case DRM_FORMAT_UYVY:
2166 case DRM_FORMAT_VYUY:
2167 case DRM_FORMAT_AYUV:
2168 case DRM_FORMAT_NV12:
2169 case DRM_FORMAT_NV21:
2170 case DRM_FORMAT_NV16:
2171 case DRM_FORMAT_NV61:
2172 case DRM_FORMAT_YUV410:
2173 case DRM_FORMAT_YVU410:
2174 case DRM_FORMAT_YUV411:
2175 case DRM_FORMAT_YVU411:
2176 case DRM_FORMAT_YUV420:
2177 case DRM_FORMAT_YVU420:
2178 case DRM_FORMAT_YUV422:
2179 case DRM_FORMAT_YVU422:
2180 case DRM_FORMAT_YUV444:
2181 case DRM_FORMAT_YVU444:
2182 return 0;
2183 default:
2184 return -EINVAL;
2185 }
2186}
2187
d1b45d5f
VS		 2188static int framebuffer_check(struct drm_mode_fb_cmd2 *r)
2189{
2190 int ret, hsub, vsub, num_planes, i;
2191
2192 ret = format_check(r);
2193 if (ret) {
2194 DRM_ERROR("bad framebuffer format 0x%08x\n", r->pixel_format);
2195 return ret;
2196 }
2197
2198 hsub = drm_format_horz_chroma_subsampling(r->pixel_format);
2199 vsub = drm_format_vert_chroma_subsampling(r->pixel_format);
2200 num_planes = drm_format_num_planes(r->pixel_format);
2201
2202 if (r->width == 0 || r->width % hsub) {
2203 DRM_ERROR("bad framebuffer width %u\n", r->height);
2204 return -EINVAL;
2205 }
2206
2207 if (r->height == 0 || r->height % vsub) {
2208 DRM_ERROR("bad framebuffer height %u\n", r->height);
2209 return -EINVAL;
2210 }
2211
2212 for (i = 0; i < num_planes; i++) {
2213 unsigned int width = r->width / (i != 0 ? hsub : 1);
2214
2215 if (!r->handles[i]) {
2216 DRM_ERROR("no buffer object handle for plane %d\n", i);
2217 return -EINVAL;
2218 }
2219
2220 if (r->pitches[i] < drm_format_plane_cpp(r->pixel_format, i) * width) {
2221 DRM_ERROR("bad pitch %u for plane %d\n", r->pitches[i], i);
2222 return -EINVAL;
2223 }
2224 }
2225
2226 return 0;
2227}
2228
308e5bcb
JB		 2229/**
2230 * drm_mode_addfb2 - add an FB to the graphics configuration
2231 * @inode: inode from the ioctl
2232 * @filp: file * from the ioctl
2233 * @cmd: cmd from ioctl
2234 * @arg: arg from ioctl
2235 *
2236 * LOCKING:
2237 * Takes mode config lock.
2238 *
2239 * Add a new FB to the specified CRTC, given a user request with format.
2240 *
2241 * Called by the user via ioctl.
2242 *
2243 * RETURNS:
2244 * Zero on success, errno on failure.
2245 */
2246int drm_mode_addfb2(struct drm_device *dev,
2247 void *data, struct drm_file *file_priv)
2248{
2249 struct drm_mode_fb_cmd2 *r = data;
f453ba04
DA		 2250 struct drm_mode_config *config = &dev->mode_config;
2251 struct drm_framebuffer *fb;
2252 int ret = 0;
2253
fb3b06c8
DA		 2254 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2255 return -EINVAL;
2256
f453ba04 2257 if ((config->min_width > r->width) || (r->width > config->max_width)) {
8cf5c917
JB		 2258 DRM_ERROR("bad framebuffer width %d, should be >= %d && <= %d\n",
2259 r->width, config->min_width, config->max_width);
f453ba04
DA		 2260 return -EINVAL;
2261 }
2262 if ((config->min_height > r->height) || (r->height > config->max_height)) {
8cf5c917
JB		 2263 DRM_ERROR("bad framebuffer height %d, should be >= %d && <= %d\n",
2264 r->height, config->min_height, config->max_height);
f453ba04
DA		 2265 return -EINVAL;
2266 }
2267
d1b45d5f
VS		 2268 ret = framebuffer_check(r);
2269 if (ret)
935b5977 2270 return ret;
935b5977 2271
f453ba04
DA		 2272 mutex_lock(&dev->mode_config.mutex);
2273
f453ba04 2274 fb = dev->mode_config.funcs->fb_create(dev, file_priv, r);
cce13ff7 2275 if (IS_ERR(fb)) {
f453ba04 2276 DRM_ERROR("could not create framebuffer\n");
cce13ff7 2277 ret = PTR_ERR(fb);
f453ba04
DA		 2278 goto out;
2279 }
2280
e0c8463a 2281 r->fb_id = fb->base.id;
f453ba04 2282 list_add(&fb->filp_head, &file_priv->fbs);
9440106b 2283 DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id);
f453ba04
DA		 2284
2285out:
2286 mutex_unlock(&dev->mode_config.mutex);
2287 return ret;
2288}
2289
2290/**
2291 * drm_mode_rmfb - remove an FB from the configuration
2292 * @inode: inode from the ioctl
2293 * @filp: file * from the ioctl
2294 * @cmd: cmd from ioctl
2295 * @arg: arg from ioctl
2296 *
2297 * LOCKING:
2298 * Takes mode config lock.
2299 *
2300 * Remove the FB specified by the user.
2301 *
2302 * Called by the user via ioctl.
2303 *
2304 * RETURNS:
2305 * Zero on success, errno on failure.
2306 */
2307int drm_mode_rmfb(struct drm_device *dev,
2308 void *data, struct drm_file *file_priv)
2309{
2310 struct drm_mode_object *obj;
2311 struct drm_framebuffer *fb = NULL;
2312 struct drm_framebuffer *fbl = NULL;
2313 uint32_t *id = data;
2314 int ret = 0;
2315 int found = 0;
2316
fb3b06c8
DA		 2317 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2318 return -EINVAL;
2319
f453ba04
DA		 2320 mutex_lock(&dev->mode_config.mutex);
2321 obj = drm_mode_object_find(dev, *id, DRM_MODE_OBJECT_FB);
25985edc 2322 /* TODO check that we really get a framebuffer back. */
f453ba04 2323 if (!obj) {
f453ba04
DA		 2324 ret = -EINVAL;
2325 goto out;
2326 }
2327 fb = obj_to_fb(obj);
2328
2329 list_for_each_entry(fbl, &file_priv->fbs, filp_head)
2330 if (fb == fbl)
2331 found = 1;
2332
2333 if (!found) {
f453ba04
DA		 2334 ret = -EINVAL;
2335 goto out;
2336 }
2337
2338 /* TODO release all crtc connected to the framebuffer */
2339 /* TODO unhock the destructor from the buffer object */
2340
2341 list_del(&fb->filp_head);
2342 fb->funcs->destroy(fb);
2343
2344out:
2345 mutex_unlock(&dev->mode_config.mutex);
2346 return ret;
2347}
2348
2349/**
2350 * drm_mode_getfb - get FB info
2351 * @inode: inode from the ioctl
2352 * @filp: file * from the ioctl
2353 * @cmd: cmd from ioctl
2354 * @arg: arg from ioctl
2355 *
2356 * LOCKING:
b20f3867 2357 * Takes mode config lock.
f453ba04
DA		 2358 *
2359 * Lookup the FB given its ID and return info about it.
2360 *
2361 * Called by the user via ioctl.
2362 *
2363 * RETURNS:
2364 * Zero on success, errno on failure.
2365 */
2366int drm_mode_getfb(struct drm_device *dev,
2367 void *data, struct drm_file *file_priv)
2368{
2369 struct drm_mode_fb_cmd *r = data;
2370 struct drm_mode_object *obj;
2371 struct drm_framebuffer *fb;
2372 int ret = 0;
2373
fb3b06c8
DA		 2374 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2375 return -EINVAL;
2376
f453ba04 2377 mutex_lock(&dev->mode_config.mutex);
e0c8463a 2378 obj = drm_mode_object_find(dev, r->fb_id, DRM_MODE_OBJECT_FB);
f453ba04 2379 if (!obj) {
f453ba04
DA		 2380 ret = -EINVAL;
2381 goto out;
2382 }
2383 fb = obj_to_fb(obj);
2384
2385 r->height = fb->height;
2386 r->width = fb->width;
2387 r->depth = fb->depth;
2388 r->bpp = fb->bits_per_pixel;
01f2c773 2389 r->pitch = fb->pitches[0];
f453ba04
DA		 2390 fb->funcs->create_handle(fb, file_priv, &r->handle);
2391
2392out:
2393 mutex_unlock(&dev->mode_config.mutex);
2394 return ret;
2395}
2396
884840aa
JB		 2397int drm_mode_dirtyfb_ioctl(struct drm_device *dev,
2398 void *data, struct drm_file *file_priv)
2399{
2400 struct drm_clip_rect __user *clips_ptr;
2401 struct drm_clip_rect *clips = NULL;
2402 struct drm_mode_fb_dirty_cmd *r = data;
2403 struct drm_mode_object *obj;
2404 struct drm_framebuffer *fb;
2405 unsigned flags;
2406 int num_clips;
2407 int ret = 0;
2408
fb3b06c8
DA		 2409 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2410 return -EINVAL;
2411
884840aa
JB		 2412 mutex_lock(&dev->mode_config.mutex);
2413 obj = drm_mode_object_find(dev, r->fb_id, DRM_MODE_OBJECT_FB);
2414 if (!obj) {
884840aa
JB		 2415 ret = -EINVAL;
2416 goto out_err1;
2417 }
2418 fb = obj_to_fb(obj);
2419
2420 num_clips = r->num_clips;
81f6c7f8 2421 clips_ptr = (struct drm_clip_rect __user *)(unsigned long)r->clips_ptr;
884840aa
JB		 2422
2423 if (!num_clips != !clips_ptr) {
2424 ret = -EINVAL;
2425 goto out_err1;
2426 }
2427
2428 flags = DRM_MODE_FB_DIRTY_FLAGS & r->flags;
2429
2430 /* If userspace annotates copy, clips must come in pairs */
2431 if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY && (num_clips % 2)) {
2432 ret = -EINVAL;
2433 goto out_err1;
2434 }
2435
2436 if (num_clips && clips_ptr) {
a5cd3351
XW		 2437 if (num_clips < 0 || num_clips > DRM_MODE_FB_DIRTY_MAX_CLIPS) {
2438 ret = -EINVAL;
2439 goto out_err1;
2440 }
884840aa
JB		 2441 clips = kzalloc(num_clips * sizeof(*clips), GFP_KERNEL);
2442 if (!clips) {
2443 ret = -ENOMEM;
2444 goto out_err1;
2445 }
2446
2447 ret = copy_from_user(clips, clips_ptr,
2448 num_clips * sizeof(*clips));
e902a358
DC		 2449 if (ret) {
2450 ret = -EFAULT;
884840aa 2451 goto out_err2;
e902a358 2452 }
884840aa
JB		 2453 }
2454
2455 if (fb->funcs->dirty) {
02b00162
TH		 2456 ret = fb->funcs->dirty(fb, file_priv, flags, r->color,
2457 clips, num_clips);
884840aa
JB		 2458 } else {
2459 ret = -ENOSYS;
2460 goto out_err2;
2461 }
2462
2463out_err2:
2464 kfree(clips);
2465out_err1:
2466 mutex_unlock(&dev->mode_config.mutex);
2467 return ret;
2468}
2469
2470
f453ba04
DA		 2471/**
2472 * drm_fb_release - remove and free the FBs on this file
2473 * @filp: file * from the ioctl
2474 *
2475 * LOCKING:
2476 * Takes mode config lock.
2477 *
2478 * Destroy all the FBs associated with @filp.
2479 *
2480 * Called by the user via ioctl.
2481 *
2482 * RETURNS:
2483 * Zero on success, errno on failure.
2484 */
ea39f835 2485void drm_fb_release(struct drm_file *priv)
f453ba04 2486{
f453ba04
DA		 2487 struct drm_device *dev = priv->minor->dev;
2488 struct drm_framebuffer *fb, *tfb;
2489
2490 mutex_lock(&dev->mode_config.mutex);
2491 list_for_each_entry_safe(fb, tfb, &priv->fbs, filp_head) {
2492 list_del(&fb->filp_head);
2493 fb->funcs->destroy(fb);
2494 }
2495 mutex_unlock(&dev->mode_config.mutex);
2496}
2497
2498/**
2499 * drm_mode_attachmode - add a mode to the user mode list
2500 * @dev: DRM device
2501 * @connector: connector to add the mode to
2502 * @mode: mode to add
2503 *
2504 * Add @mode to @connector's user mode list.
2505 */
1dd6c8bd
VS		 2506static void drm_mode_attachmode(struct drm_device *dev,
2507 struct drm_connector *connector,
2508 struct drm_display_mode *mode)
f453ba04 2509{
f453ba04 2510 list_add_tail(&mode->head, &connector->user_modes);
f453ba04
DA		 2511}
2512
2513int drm_mode_attachmode_crtc(struct drm_device *dev, struct drm_crtc *crtc,
ac235daf 2514 const struct drm_display_mode *mode)
f453ba04
DA		 2515{
2516 struct drm_connector *connector;
ac235daf
VS		 2517 int ret = 0;
2518 struct drm_display_mode *dup_mode, *next;
2519 LIST_HEAD(list);
2520
f453ba04
DA		 2521 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
2522 if (!connector->encoder)
ac235daf 2523 continue;
f453ba04 2524 if (connector->encoder->crtc == crtc) {
ac235daf
VS		 2525 dup_mode = drm_mode_duplicate(dev, mode);
2526 if (!dup_mode) {
2527 ret = -ENOMEM;
2528 goto out;
2529 }
2530 list_add_tail(&dup_mode->head, &list);
f453ba04
DA		 2531 }
2532 }
ac235daf
VS		 2533
2534 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
2535 if (!connector->encoder)
2536 continue;
2537 if (connector->encoder->crtc == crtc)
2538 list_move_tail(list.next, &connector->user_modes);
2539 }
2540
2541 WARN_ON(!list_empty(&list));
2542
2543 out:
2544 list_for_each_entry_safe(dup_mode, next, &list, head)
2545 drm_mode_destroy(dev, dup_mode);
2546
2547 return ret;
f453ba04
DA		 2548}
2549EXPORT_SYMBOL(drm_mode_attachmode_crtc);
2550
2551static int drm_mode_detachmode(struct drm_device *dev,
2552 struct drm_connector *connector,
2553 struct drm_display_mode *mode)
2554{
2555 int found = 0;
2556 int ret = 0;
2557 struct drm_display_mode *match_mode, *t;
2558
2559 list_for_each_entry_safe(match_mode, t, &connector->user_modes, head) {
2560 if (drm_mode_equal(match_mode, mode)) {
2561 list_del(&match_mode->head);
2562 drm_mode_destroy(dev, match_mode);
2563 found = 1;
2564 break;
2565 }
2566 }
2567
2568 if (!found)
2569 ret = -EINVAL;
2570
2571 return ret;
2572}
2573
2574int drm_mode_detachmode_crtc(struct drm_device *dev, struct drm_display_mode *mode)
2575{
2576 struct drm_connector *connector;
2577
2578 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
2579 drm_mode_detachmode(dev, connector, mode);
2580 }
2581 return 0;
2582}
2583EXPORT_SYMBOL(drm_mode_detachmode_crtc);
2584
2585/**
2586 * drm_fb_attachmode - Attach a user mode to an connector
2587 * @inode: inode from the ioctl
2588 * @filp: file * from the ioctl
2589 * @cmd: cmd from ioctl
2590 * @arg: arg from ioctl
2591 *
2592 * This attaches a user specified mode to an connector.
2593 * Called by the user via ioctl.
2594 *
2595 * RETURNS:
2596 * Zero on success, errno on failure.
2597 */
2598int drm_mode_attachmode_ioctl(struct drm_device *dev,
2599 void *data, struct drm_file *file_priv)
2600{
2601 struct drm_mode_mode_cmd *mode_cmd = data;
2602 struct drm_connector *connector;
2603 struct drm_display_mode *mode;
2604 struct drm_mode_object *obj;
2605 struct drm_mode_modeinfo *umode = &mode_cmd->mode;
2606 int ret = 0;
2607
fb3b06c8
DA		 2608 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2609 return -EINVAL;
2610
f453ba04
DA		 2611 mutex_lock(&dev->mode_config.mutex);
2612
2613 obj = drm_mode_object_find(dev, mode_cmd->connector_id, DRM_MODE_OBJECT_CONNECTOR);
2614 if (!obj) {
2615 ret = -EINVAL;
2616 goto out;
2617 }
2618 connector = obj_to_connector(obj);
2619
2620 mode = drm_mode_create(dev);
2621 if (!mode) {
2622 ret = -ENOMEM;
2623 goto out;
2624 }
2625
90367bf6
VS		 2626 ret = drm_crtc_convert_umode(mode, umode);
2627 if (ret) {
2628 DRM_DEBUG_KMS("Invalid mode\n");
2629 drm_mode_destroy(dev, mode);
2630 goto out;
2631 }
f453ba04 2632
1dd6c8bd 2633 drm_mode_attachmode(dev, connector, mode);
f453ba04
DA		 2634out:
2635 mutex_unlock(&dev->mode_config.mutex);
2636 return ret;
2637}
2638
2639
2640/**
2641 * drm_fb_detachmode - Detach a user specified mode from an connector
2642 * @inode: inode from the ioctl
2643 * @filp: file * from the ioctl
2644 * @cmd: cmd from ioctl
2645 * @arg: arg from ioctl
2646 *
2647 * Called by the user via ioctl.
2648 *
2649 * RETURNS:
2650 * Zero on success, errno on failure.
2651 */
2652int drm_mode_detachmode_ioctl(struct drm_device *dev,
2653 void *data, struct drm_file *file_priv)
2654{
2655 struct drm_mode_object *obj;
2656 struct drm_mode_mode_cmd *mode_cmd = data;
2657 struct drm_connector *connector;
2658 struct drm_display_mode mode;
2659 struct drm_mode_modeinfo *umode = &mode_cmd->mode;
2660 int ret = 0;
2661
fb3b06c8
DA		 2662 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2663 return -EINVAL;
2664
f453ba04
DA		 2665 mutex_lock(&dev->mode_config.mutex);
2666
2667 obj = drm_mode_object_find(dev, mode_cmd->connector_id, DRM_MODE_OBJECT_CONNECTOR);
2668 if (!obj) {
2669 ret = -EINVAL;
2670 goto out;
2671 }
2672 connector = obj_to_connector(obj);
2673
90367bf6
VS		 2674 ret = drm_crtc_convert_umode(&mode, umode);
2675 if (ret) {
2676 DRM_DEBUG_KMS("Invalid mode\n");
2677 goto out;
2678 }
2679
f453ba04
DA		 2680 ret = drm_mode_detachmode(dev, connector, &mode);
2681out:
2682 mutex_unlock(&dev->mode_config.mutex);
2683 return ret;
2684}
2685
2686struct drm_property *drm_property_create(struct drm_device *dev, int flags,
2687 const char *name, int num_values)
2688{
2689 struct drm_property *property = NULL;
6bfc56aa 2690 int ret;
f453ba04
DA		 2691
2692 property = kzalloc(sizeof(struct drm_property), GFP_KERNEL);
2693 if (!property)
2694 return NULL;
2695
2696 if (num_values) {
2697 property->values = kzalloc(sizeof(uint64_t)*num_values, GFP_KERNEL);
2698 if (!property->values)
2699 goto fail;
2700 }
2701
6bfc56aa
VS		 2702 ret = drm_mode_object_get(dev, &property->base, DRM_MODE_OBJECT_PROPERTY);
2703 if (ret)
2704 goto fail;
2705
f453ba04
DA		 2706 property->flags = flags;
2707 property->num_values = num_values;
2708 INIT_LIST_HEAD(&property->enum_blob_list);
2709
471dd2ef 2710 if (name) {
f453ba04 2711 strncpy(property->name, name, DRM_PROP_NAME_LEN);
471dd2ef
VL		 2712 property->name[DRM_PROP_NAME_LEN-1] = '\0';
2713 }
f453ba04
DA		 2714
2715 list_add_tail(&property->head, &dev->mode_config.property_list);
2716 return property;
2717fail:
6bfc56aa 2718 kfree(property->values);
f453ba04
DA		 2719 kfree(property);
2720 return NULL;
2721}
2722EXPORT_SYMBOL(drm_property_create);
2723
4a67d391
SH		 2724struct drm_property *drm_property_create_enum(struct drm_device *dev, int flags,
2725 const char *name,
2726 const struct drm_prop_enum_list *props,
2727 int num_values)
2728{
2729 struct drm_property *property;
2730 int i, ret;
2731
2732 flags |= DRM_MODE_PROP_ENUM;
2733
2734 property = drm_property_create(dev, flags, name, num_values);
2735 if (!property)
2736 return NULL;
2737
2738 for (i = 0; i < num_values; i++) {
2739 ret = drm_property_add_enum(property, i,
2740 props[i].type,
2741 props[i].name);
2742 if (ret) {
2743 drm_property_destroy(dev, property);
2744 return NULL;
2745 }
2746 }
2747
2748 return property;
2749}
2750EXPORT_SYMBOL(drm_property_create_enum);
2751
d9bc3c02
SH		 2752struct drm_property *drm_property_create_range(struct drm_device *dev, int flags,
2753 const char *name,
2754 uint64_t min, uint64_t max)
2755{
2756 struct drm_property *property;
2757
2758 flags |= DRM_MODE_PROP_RANGE;
2759
2760 property = drm_property_create(dev, flags, name, 2);
2761 if (!property)
2762 return NULL;
2763
2764 property->values[0] = min;
2765 property->values[1] = max;
2766
2767 return property;
2768}
2769EXPORT_SYMBOL(drm_property_create_range);
2770
f453ba04
DA		 2771int drm_property_add_enum(struct drm_property *property, int index,
2772 uint64_t value, const char *name)
2773{
2774 struct drm_property_enum *prop_enum;
2775
2776 if (!(property->flags & DRM_MODE_PROP_ENUM))
2777 return -EINVAL;
2778
2779 if (!list_empty(&property->enum_blob_list)) {
2780 list_for_each_entry(prop_enum, &property->enum_blob_list, head) {
2781 if (prop_enum->value == value) {
2782 strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN);
2783 prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0';
2784 return 0;
2785 }
2786 }
2787 }
2788
2789 prop_enum = kzalloc(sizeof(struct drm_property_enum), GFP_KERNEL);
2790 if (!prop_enum)
2791 return -ENOMEM;
2792
2793 strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN);
2794 prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0';
2795 prop_enum->value = value;
2796
2797 property->values[index] = value;
2798 list_add_tail(&prop_enum->head, &property->enum_blob_list);
2799 return 0;
2800}
2801EXPORT_SYMBOL(drm_property_add_enum);
2802
2803void drm_property_destroy(struct drm_device *dev, struct drm_property *property)
2804{
2805 struct drm_property_enum *prop_enum, *pt;
2806
2807 list_for_each_entry_safe(prop_enum, pt, &property->enum_blob_list, head) {
2808 list_del(&prop_enum->head);
2809 kfree(prop_enum);
2810 }
2811
2812 if (property->num_values)
2813 kfree(property->values);
2814 drm_mode_object_put(dev, &property->base);
2815 list_del(&property->head);
2816 kfree(property);
2817}
2818EXPORT_SYMBOL(drm_property_destroy);
2819
2820int drm_connector_attach_property(struct drm_connector *connector,
2821 struct drm_property *property, uint64_t init_val)
2822{
2823 int i;
2824
2825 for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
2826 if (connector->property_ids[i] == 0) {
2827 connector->property_ids[i] = property->base.id;
2828 connector->property_values[i] = init_val;
2829 break;
2830 }
2831 }
2832
2833 if (i == DRM_CONNECTOR_MAX_PROPERTY)
2834 return -EINVAL;
2835 return 0;
2836}
2837EXPORT_SYMBOL(drm_connector_attach_property);
2838
2839int drm_connector_property_set_value(struct drm_connector *connector,
2840 struct drm_property *property, uint64_t value)
2841{
2842 int i;
2843
2844 for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
2845 if (connector->property_ids[i] == property->base.id) {
2846 connector->property_values[i] = value;
2847 break;
2848 }
2849 }
2850
2851 if (i == DRM_CONNECTOR_MAX_PROPERTY)
2852 return -EINVAL;
2853 return 0;
2854}
2855EXPORT_SYMBOL(drm_connector_property_set_value);
2856
2857int drm_connector_property_get_value(struct drm_connector *connector,
2858 struct drm_property *property, uint64_t *val)
2859{
2860 int i;
2861
2862 for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
2863 if (connector->property_ids[i] == property->base.id) {
2864 *val = connector->property_values[i];
2865 break;
2866 }
2867 }
2868
2869 if (i == DRM_CONNECTOR_MAX_PROPERTY)
2870 return -EINVAL;
2871 return 0;
2872}
2873EXPORT_SYMBOL(drm_connector_property_get_value);
2874
2875int drm_mode_getproperty_ioctl(struct drm_device *dev,
2876 void *data, struct drm_file *file_priv)
2877{
2878 struct drm_mode_object *obj;
2879 struct drm_mode_get_property *out_resp = data;
2880 struct drm_property *property;
2881 int enum_count = 0;
2882 int blob_count = 0;
2883 int value_count = 0;
2884 int ret = 0, i;
2885 int copied;
2886 struct drm_property_enum *prop_enum;
2887 struct drm_mode_property_enum __user *enum_ptr;
2888 struct drm_property_blob *prop_blob;
81f6c7f8 2889 uint32_t __user *blob_id_ptr;
f453ba04
DA		 2890 uint64_t __user *values_ptr;
2891 uint32_t __user *blob_length_ptr;
2892
fb3b06c8
DA		 2893 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2894 return -EINVAL;
2895
f453ba04
DA		 2896 mutex_lock(&dev->mode_config.mutex);
2897 obj = drm_mode_object_find(dev, out_resp->prop_id, DRM_MODE_OBJECT_PROPERTY);
2898 if (!obj) {
2899 ret = -EINVAL;
2900 goto done;
2901 }
2902 property = obj_to_property(obj);
2903
2904 if (property->flags & DRM_MODE_PROP_ENUM) {
2905 list_for_each_entry(prop_enum, &property->enum_blob_list, head)
2906 enum_count++;
2907 } else if (property->flags & DRM_MODE_PROP_BLOB) {
2908 list_for_each_entry(prop_blob, &property->enum_blob_list, head)
2909 blob_count++;
2910 }
2911
2912 value_count = property->num_values;
2913
2914 strncpy(out_resp->name, property->name, DRM_PROP_NAME_LEN);
2915 out_resp->name[DRM_PROP_NAME_LEN-1] = 0;
2916 out_resp->flags = property->flags;
2917
2918 if ((out_resp->count_values >= value_count) && value_count) {
81f6c7f8 2919 values_ptr = (uint64_t __user *)(unsigned long)out_resp->values_ptr;
f453ba04
DA		 2920 for (i = 0; i < value_count; i++) {
2921 if (copy_to_user(values_ptr + i, &property->values[i], sizeof(uint64_t))) {
2922 ret = -EFAULT;
2923 goto done;
2924 }
2925 }
2926 }
2927 out_resp->count_values = value_count;
2928
2929 if (property->flags & DRM_MODE_PROP_ENUM) {
2930 if ((out_resp->count_enum_blobs >= enum_count) && enum_count) {
2931 copied = 0;
81f6c7f8 2932 enum_ptr = (struct drm_mode_property_enum __user *)(unsigned long)out_resp->enum_blob_ptr;
f453ba04
DA		 2933 list_for_each_entry(prop_enum, &property->enum_blob_list, head) {
2934
2935 if (copy_to_user(&enum_ptr[copied].value, &prop_enum->value, sizeof(uint64_t))) {
2936 ret = -EFAULT;
2937 goto done;
2938 }
2939
2940 if (copy_to_user(&enum_ptr[copied].name,
2941 &prop_enum->name, DRM_PROP_NAME_LEN)) {
2942 ret = -EFAULT;
2943 goto done;
2944 }
2945 copied++;
2946 }
2947 }
2948 out_resp->count_enum_blobs = enum_count;
2949 }
2950
2951 if (property->flags & DRM_MODE_PROP_BLOB) {
2952 if ((out_resp->count_enum_blobs >= blob_count) && blob_count) {
2953 copied = 0;
81f6c7f8
VS		 2954 blob_id_ptr = (uint32_t __user *)(unsigned long)out_resp->enum_blob_ptr;
2955 blob_length_ptr = (uint32_t __user *)(unsigned long)out_resp->values_ptr;
f453ba04
DA		 2956
2957 list_for_each_entry(prop_blob, &property->enum_blob_list, head) {
2958 if (put_user(prop_blob->base.id, blob_id_ptr + copied)) {
2959 ret = -EFAULT;
2960 goto done;
2961 }
2962
2963 if (put_user(prop_blob->length, blob_length_ptr + copied)) {
2964 ret = -EFAULT;
2965 goto done;
2966 }
2967
2968 copied++;
2969 }
2970 }
2971 out_resp->count_enum_blobs = blob_count;
2972 }
2973done:
2974 mutex_unlock(&dev->mode_config.mutex);
2975 return ret;
2976}
2977
2978static struct drm_property_blob *drm_property_create_blob(struct drm_device *dev, int length,
2979 void *data)
2980{
2981 struct drm_property_blob *blob;
6bfc56aa 2982 int ret;
f453ba04
DA		 2983
2984 if (!length || !data)
2985 return NULL;
2986
2987 blob = kzalloc(sizeof(struct drm_property_blob)+length, GFP_KERNEL);
2988 if (!blob)
2989 return NULL;
2990
6bfc56aa
VS		 2991 ret = drm_mode_object_get(dev, &blob->base, DRM_MODE_OBJECT_BLOB);
2992 if (ret) {
2993 kfree(blob);
2994 return NULL;
2995 }
2996
f453ba04
DA		 2997 blob->length = length;
2998
2999 memcpy(blob->data, data, length);
3000
f453ba04
DA		 3001 list_add_tail(&blob->head, &dev->mode_config.property_blob_list);
3002 return blob;
3003}
3004
3005static void drm_property_destroy_blob(struct drm_device *dev,
3006 struct drm_property_blob *blob)
3007{
3008 drm_mode_object_put(dev, &blob->base);
3009 list_del(&blob->head);
3010 kfree(blob);
3011}
3012
3013int drm_mode_getblob_ioctl(struct drm_device *dev,
3014 void *data, struct drm_file *file_priv)
3015{
3016 struct drm_mode_object *obj;
3017 struct drm_mode_get_blob *out_resp = data;
3018 struct drm_property_blob *blob;
3019 int ret = 0;
81f6c7f8 3020 void __user *blob_ptr;
f453ba04 3021
fb3b06c8
DA		 3022 if (!drm_core_check_feature(dev, DRIVER_MODESET))
3023 return -EINVAL;
3024
f453ba04
DA		 3025 mutex_lock(&dev->mode_config.mutex);
3026 obj = drm_mode_object_find(dev, out_resp->blob_id, DRM_MODE_OBJECT_BLOB);
3027 if (!obj) {
3028 ret = -EINVAL;
3029 goto done;
3030 }
3031 blob = obj_to_blob(obj);
3032
3033 if (out_resp->length == blob->length) {
81f6c7f8 3034 blob_ptr = (void __user *)(unsigned long)out_resp->data;
f453ba04
DA		 3035 if (copy_to_user(blob_ptr, blob->data, blob->length)){
3036 ret = -EFAULT;
3037 goto done;
3038 }
3039 }
3040 out_resp->length = blob->length;
3041
3042done:
3043 mutex_unlock(&dev->mode_config.mutex);
3044 return ret;
3045}
3046
3047int drm_mode_connector_update_edid_property(struct drm_connector *connector,
3048 struct edid *edid)
3049{
3050 struct drm_device *dev = connector->dev;
7466f4cc 3051 int ret = 0, size;
f453ba04
DA		 3052
3053 if (connector->edid_blob_ptr)
3054 drm_property_destroy_blob(dev, connector->edid_blob_ptr);
3055
3056 /* Delete edid, when there is none. */
3057 if (!edid) {
3058 connector->edid_blob_ptr = NULL;
3059 ret = drm_connector_property_set_value(connector, dev->mode_config.edid_property, 0);
3060 return ret;
3061 }
3062
7466f4cc
AJ		 3063 size = EDID_LENGTH * (1 + edid->extensions);
3064 connector->edid_blob_ptr = drm_property_create_blob(connector->dev,
3065 size, edid);
f453ba04
DA		 3066
3067 ret = drm_connector_property_set_value(connector,
3068 dev->mode_config.edid_property,
3069 connector->edid_blob_ptr->base.id);
3070
3071 return ret;
3072}
3073EXPORT_SYMBOL(drm_mode_connector_update_edid_property);
3074
3075int drm_mode_connector_property_set_ioctl(struct drm_device *dev,
3076 void *data, struct drm_file *file_priv)
3077{
3078 struct drm_mode_connector_set_property *out_resp = data;
3079 struct drm_mode_object *obj;
3080 struct drm_property *property;
3081 struct drm_connector *connector;
3082 int ret = -EINVAL;
3083 int i;
3084
fb3b06c8
DA		 3085 if (!drm_core_check_feature(dev, DRIVER_MODESET))
3086 return -EINVAL;
3087
f453ba04
DA		 3088 mutex_lock(&dev->mode_config.mutex);
3089
3090 obj = drm_mode_object_find(dev, out_resp->connector_id, DRM_MODE_OBJECT_CONNECTOR);
3091 if (!obj) {
3092 goto out;
3093 }
3094 connector = obj_to_connector(obj);
3095
3096 for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
3097 if (connector->property_ids[i] == out_resp->prop_id)
3098 break;
3099 }
3100
3101 if (i == DRM_CONNECTOR_MAX_PROPERTY) {
3102 goto out;
3103 }
3104
3105 obj = drm_mode_object_find(dev, out_resp->prop_id, DRM_MODE_OBJECT_PROPERTY);
3106 if (!obj) {
3107 goto out;
3108 }
3109 property = obj_to_property(obj);
3110
3111 if (property->flags & DRM_MODE_PROP_IMMUTABLE)
3112 goto out;
3113
3114 if (property->flags & DRM_MODE_PROP_RANGE) {
3115 if (out_resp->value < property->values[0])
3116 goto out;
3117
3118 if (out_resp->value > property->values[1])
3119 goto out;
3120 } else {
3121 int found = 0;
3122 for (i = 0; i < property->num_values; i++) {
3123 if (property->values[i] == out_resp->value) {
3124 found = 1;
3125 break;
3126 }
3127 }
3128 if (!found) {
3129 goto out;
3130 }
3131 }
3132
c9fb15f6
KP		 3133 /* Do DPMS ourselves */
3134 if (property == connector->dev->mode_config.dpms_property) {
3135 if (connector->funcs->dpms)
3136 (*connector->funcs->dpms)(connector, (int) out_resp->value);
3137 ret = 0;
3138 } else if (connector->funcs->set_property)
f453ba04
DA		 3139 ret = connector->funcs->set_property(connector, property, out_resp->value);
3140
af901ca1 3141 /* store the property value if successful */
f453ba04
DA		 3142 if (!ret)
3143 drm_connector_property_set_value(connector, property, out_resp->value);
3144out:
3145 mutex_unlock(&dev->mode_config.mutex);
3146 return ret;
3147}
3148
f453ba04
DA		 3149int drm_mode_connector_attach_encoder(struct drm_connector *connector,
3150 struct drm_encoder *encoder)
3151{
3152 int i;
3153
3154 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
3155 if (connector->encoder_ids[i] == 0) {
3156 connector->encoder_ids[i] = encoder->base.id;
3157 return 0;
3158 }
3159 }
3160 return -ENOMEM;
3161}
3162EXPORT_SYMBOL(drm_mode_connector_attach_encoder);
3163
3164void drm_mode_connector_detach_encoder(struct drm_connector *connector,
3165 struct drm_encoder *encoder)
3166{
3167 int i;
3168 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
3169 if (connector->encoder_ids[i] == encoder->base.id) {
3170 connector->encoder_ids[i] = 0;
3171 if (connector->encoder == encoder)
3172 connector->encoder = NULL;
3173 break;
3174 }
3175 }
3176}
3177EXPORT_SYMBOL(drm_mode_connector_detach_encoder);
3178
4cae5b84 3179int drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc,
f453ba04
DA		 3180 int gamma_size)
3181{
3182 crtc->gamma_size = gamma_size;
3183
3184 crtc->gamma_store = kzalloc(gamma_size * sizeof(uint16_t) * 3, GFP_KERNEL);
3185 if (!crtc->gamma_store) {
3186 crtc->gamma_size = 0;
4cae5b84 3187 return -ENOMEM;
f453ba04
DA		 3188 }
3189
4cae5b84 3190 return 0;
f453ba04
DA		 3191}
3192EXPORT_SYMBOL(drm_mode_crtc_set_gamma_size);
3193
3194int drm_mode_gamma_set_ioctl(struct drm_device *dev,
3195 void *data, struct drm_file *file_priv)
3196{
3197 struct drm_mode_crtc_lut *crtc_lut = data;
3198 struct drm_mode_object *obj;
3199 struct drm_crtc *crtc;
3200 void *r_base, *g_base, *b_base;
3201 int size;
3202 int ret = 0;
3203
fb3b06c8
DA		 3204 if (!drm_core_check_feature(dev, DRIVER_MODESET))
3205 return -EINVAL;
3206
f453ba04
DA		 3207 mutex_lock(&dev->mode_config.mutex);
3208 obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC);
3209 if (!obj) {
3210 ret = -EINVAL;
3211 goto out;
3212 }
3213 crtc = obj_to_crtc(obj);
3214
3215 /* memcpy into gamma store */
3216 if (crtc_lut->gamma_size != crtc->gamma_size) {
3217 ret = -EINVAL;
3218 goto out;
3219 }
3220
3221 size = crtc_lut->gamma_size * (sizeof(uint16_t));
3222 r_base = crtc->gamma_store;
3223 if (copy_from_user(r_base, (void __user *)(unsigned long)crtc_lut->red, size)) {
3224 ret = -EFAULT;
3225 goto out;
3226 }
3227
3228 g_base = r_base + size;
3229 if (copy_from_user(g_base, (void __user *)(unsigned long)crtc_lut->green, size)) {
3230 ret = -EFAULT;
3231 goto out;
3232 }
3233
3234 b_base = g_base + size;
3235 if (copy_from_user(b_base, (void __user *)(unsigned long)crtc_lut->blue, size)) {
3236 ret = -EFAULT;
3237 goto out;
3238 }
3239
7203425a 3240 crtc->funcs->gamma_set(crtc, r_base, g_base, b_base, 0, crtc->gamma_size);
f453ba04
DA		 3241
3242out:
3243 mutex_unlock(&dev->mode_config.mutex);
3244 return ret;
3245
3246}
3247
3248int drm_mode_gamma_get_ioctl(struct drm_device *dev,
3249 void *data, struct drm_file *file_priv)
3250{
3251 struct drm_mode_crtc_lut *crtc_lut = data;
3252 struct drm_mode_object *obj;
3253 struct drm_crtc *crtc;
3254 void *r_base, *g_base, *b_base;
3255 int size;
3256 int ret = 0;
3257
fb3b06c8
DA		 3258 if (!drm_core_check_feature(dev, DRIVER_MODESET))
3259 return -EINVAL;
3260
f453ba04
DA		 3261 mutex_lock(&dev->mode_config.mutex);
3262 obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC);
3263 if (!obj) {
3264 ret = -EINVAL;
3265 goto out;
3266 }
3267 crtc = obj_to_crtc(obj);
3268
3269 /* memcpy into gamma store */
3270 if (crtc_lut->gamma_size != crtc->gamma_size) {
3271 ret = -EINVAL;
3272 goto out;
3273 }
3274
3275 size = crtc_lut->gamma_size * (sizeof(uint16_t));
3276 r_base = crtc->gamma_store;
3277 if (copy_to_user((void __user *)(unsigned long)crtc_lut->red, r_base, size)) {
3278 ret = -EFAULT;
3279 goto out;
3280 }
3281
3282 g_base = r_base + size;
3283 if (copy_to_user((void __user *)(unsigned long)crtc_lut->green, g_base, size)) {
3284 ret = -EFAULT;
3285 goto out;
3286 }
3287
3288 b_base = g_base + size;
3289 if (copy_to_user((void __user *)(unsigned long)crtc_lut->blue, b_base, size)) {
3290 ret = -EFAULT;
3291 goto out;
3292 }
3293out:
3294 mutex_unlock(&dev->mode_config.mutex);
3295 return ret;
3296}
d91d8a3f
KH		 3297
3298int drm_mode_page_flip_ioctl(struct drm_device *dev,
3299 void *data, struct drm_file *file_priv)
3300{
3301 struct drm_mode_crtc_page_flip *page_flip = data;
3302 struct drm_mode_object *obj;
3303 struct drm_crtc *crtc;
3304 struct drm_framebuffer *fb;
3305 struct drm_pending_vblank_event *e = NULL;
3306 unsigned long flags;
3307 int ret = -EINVAL;
3308
3309 if (page_flip->flags & ~DRM_MODE_PAGE_FLIP_FLAGS ||
3310 page_flip->reserved != 0)
3311 return -EINVAL;
3312
3313 mutex_lock(&dev->mode_config.mutex);
3314 obj = drm_mode_object_find(dev, page_flip->crtc_id, DRM_MODE_OBJECT_CRTC);
3315 if (!obj)
3316 goto out;
3317 crtc = obj_to_crtc(obj);
3318
90c1efdd
CW		 3319 if (crtc->fb == NULL) {
3320 /* The framebuffer is currently unbound, presumably
3321 * due to a hotplug event, that userspace has not
3322 * yet discovered.
3323 */
3324 ret = -EBUSY;
3325 goto out;
3326 }
3327
d91d8a3f
KH		 3328 if (crtc->funcs->page_flip == NULL)
3329 goto out;
3330
3331 obj = drm_mode_object_find(dev, page_flip->fb_id, DRM_MODE_OBJECT_FB);
3332 if (!obj)
3333 goto out;
3334 fb = obj_to_fb(obj);
3335
5f61bb42
VS		 3336 if (crtc->mode.hdisplay > fb->width ||
3337 crtc->mode.vdisplay > fb->height ||
3338 crtc->x > fb->width - crtc->mode.hdisplay ||
3339 crtc->y > fb->height - crtc->mode.vdisplay) {
3340 DRM_DEBUG_KMS("Invalid fb size %ux%u for CRTC viewport %ux%u+%d+%d.\n",
3341 fb->width, fb->height,
3342 crtc->mode.hdisplay, crtc->mode.vdisplay,
3343 crtc->x, crtc->y);
3344 ret = -ENOSPC;
3345 goto out;
3346 }
3347
d91d8a3f
KH		 3348 if (page_flip->flags & DRM_MODE_PAGE_FLIP_EVENT) {
3349 ret = -ENOMEM;
3350 spin_lock_irqsave(&dev->event_lock, flags);
3351 if (file_priv->event_space < sizeof e->event) {
3352 spin_unlock_irqrestore(&dev->event_lock, flags);
3353 goto out;
3354 }
3355 file_priv->event_space -= sizeof e->event;
3356 spin_unlock_irqrestore(&dev->event_lock, flags);
3357
3358 e = kzalloc(sizeof *e, GFP_KERNEL);
3359 if (e == NULL) {
3360 spin_lock_irqsave(&dev->event_lock, flags);
3361 file_priv->event_space += sizeof e->event;
3362 spin_unlock_irqrestore(&dev->event_lock, flags);
3363 goto out;
3364 }
3365
7bd4d7be 3366 e->event.base.type = DRM_EVENT_FLIP_COMPLETE;
d91d8a3f
KH		 3367 e->event.base.length = sizeof e->event;
3368 e->event.user_data = page_flip->user_data;
3369 e->base.event = &e->event.base;
3370 e->base.file_priv = file_priv;
3371 e->base.destroy =
3372 (void (*) (struct drm_pending_event *)) kfree;
3373 }
3374
3375 ret = crtc->funcs->page_flip(crtc, fb, e);
3376 if (ret) {
3377 spin_lock_irqsave(&dev->event_lock, flags);
3378 file_priv->event_space += sizeof e->event;
3379 spin_unlock_irqrestore(&dev->event_lock, flags);
3380 kfree(e);
3381 }
3382
3383out:
3384 mutex_unlock(&dev->mode_config.mutex);
3385 return ret;
3386}
eb033556
CW		 3387
3388void drm_mode_config_reset(struct drm_device *dev)
3389{
3390 struct drm_crtc *crtc;
3391 struct drm_encoder *encoder;
3392 struct drm_connector *connector;
3393
3394 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head)
3395 if (crtc->funcs->reset)
3396 crtc->funcs->reset(crtc);
3397
3398 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head)
3399 if (encoder->funcs->reset)
3400 encoder->funcs->reset(encoder);
3401
3402 list_for_each_entry(connector, &dev->mode_config.connector_list, head)
3403 if (connector->funcs->reset)
3404 connector->funcs->reset(connector);
3405}
3406EXPORT_SYMBOL(drm_mode_config_reset);
ff72145b
DA		 3407
3408int drm_mode_create_dumb_ioctl(struct drm_device *dev,
3409 void *data, struct drm_file *file_priv)
3410{
3411 struct drm_mode_create_dumb *args = data;
3412
3413 if (!dev->driver->dumb_create)
3414 return -ENOSYS;
3415 return dev->driver->dumb_create(file_priv, dev, args);
3416}
3417
3418int drm_mode_mmap_dumb_ioctl(struct drm_device *dev,
3419 void *data, struct drm_file *file_priv)
3420{
3421 struct drm_mode_map_dumb *args = data;
3422
3423 /* call driver ioctl to get mmap offset */
3424 if (!dev->driver->dumb_map_offset)
3425 return -ENOSYS;
3426
3427 return dev->driver->dumb_map_offset(file_priv, dev, args->handle, &args->offset);
3428}
3429
3430int drm_mode_destroy_dumb_ioctl(struct drm_device *dev,
3431 void *data, struct drm_file *file_priv)
3432{
3433 struct drm_mode_destroy_dumb *args = data;
3434
3435 if (!dev->driver->dumb_destroy)
3436 return -ENOSYS;
3437
3438 return dev->driver->dumb_destroy(file_priv, dev, args->handle);
3439}
248dbc23
DA		 3440
3441/*
3442 * Just need to support RGB formats here for compat with code that doesn't
3443 * use pixel formats directly yet.
3444 */
3445void drm_fb_get_bpp_depth(uint32_t format, unsigned int *depth,
3446 int *bpp)
3447{
3448 switch (format) {
04b3924d
VS		 3449 case DRM_FORMAT_RGB332:
3450 case DRM_FORMAT_BGR233:
248dbc23
DA		 3451 *depth = 8;
3452 *bpp = 8;
3453 break;
04b3924d
VS		 3454 case DRM_FORMAT_XRGB1555:
3455 case DRM_FORMAT_XBGR1555:
3456 case DRM_FORMAT_RGBX5551:
3457 case DRM_FORMAT_BGRX5551:
3458 case DRM_FORMAT_ARGB1555:
3459 case DRM_FORMAT_ABGR1555:
3460 case DRM_FORMAT_RGBA5551:
3461 case DRM_FORMAT_BGRA5551:
248dbc23
DA		 3462 *depth = 15;
3463 *bpp = 16;
3464 break;
04b3924d
VS		 3465 case DRM_FORMAT_RGB565:
3466 case DRM_FORMAT_BGR565:
248dbc23
DA		 3467 *depth = 16;
3468 *bpp = 16;
3469 break;
04b3924d
VS		 3470 case DRM_FORMAT_RGB888:
3471 case DRM_FORMAT_BGR888:
3472 *depth = 24;
3473 *bpp = 24;
3474 break;
3475 case DRM_FORMAT_XRGB8888:
3476 case DRM_FORMAT_XBGR8888:
3477 case DRM_FORMAT_RGBX8888:
3478 case DRM_FORMAT_BGRX8888:
248dbc23
DA		 3479 *depth = 24;
3480 *bpp = 32;
3481 break;
04b3924d
VS		 3482 case DRM_FORMAT_XRGB2101010:
3483 case DRM_FORMAT_XBGR2101010:
3484 case DRM_FORMAT_RGBX1010102:
3485 case DRM_FORMAT_BGRX1010102:
3486 case DRM_FORMAT_ARGB2101010:
3487 case DRM_FORMAT_ABGR2101010:
3488 case DRM_FORMAT_RGBA1010102:
3489 case DRM_FORMAT_BGRA1010102:
248dbc23
DA		 3490 *depth = 30;
3491 *bpp = 32;
3492 break;
04b3924d
VS		 3493 case DRM_FORMAT_ARGB8888:
3494 case DRM_FORMAT_ABGR8888:
3495 case DRM_FORMAT_RGBA8888:
3496 case DRM_FORMAT_BGRA8888:
248dbc23
DA		 3497 *depth = 32;
3498 *bpp = 32;
3499 break;
3500 default:
3501 DRM_DEBUG_KMS("unsupported pixel format\n");
3502 *depth = 0;
3503 *bpp = 0;
3504 break;
3505 }
3506}
3507EXPORT_SYMBOL(drm_fb_get_bpp_depth);
141670e9
VS		 3508
3509/**
3510 * drm_format_num_planes - get the number of planes for format
3511 * @format: pixel format (DRM_FORMAT_*)
3512 *
3513 * RETURNS:
3514 * The number of planes used by the specified pixel format.
3515 */
3516int drm_format_num_planes(uint32_t format)
3517{
3518 switch (format) {
3519 case DRM_FORMAT_YUV410:
3520 case DRM_FORMAT_YVU410:
3521 case DRM_FORMAT_YUV411:
3522 case DRM_FORMAT_YVU411:
3523 case DRM_FORMAT_YUV420:
3524 case DRM_FORMAT_YVU420:
3525 case DRM_FORMAT_YUV422:
3526 case DRM_FORMAT_YVU422:
3527 case DRM_FORMAT_YUV444:
3528 case DRM_FORMAT_YVU444:
3529 return 3;
3530 case DRM_FORMAT_NV12:
3531 case DRM_FORMAT_NV21:
3532 case DRM_FORMAT_NV16:
3533 case DRM_FORMAT_NV61:
3534 return 2;
3535 default:
3536 return 1;
3537 }
3538}
3539EXPORT_SYMBOL(drm_format_num_planes);
5a86bd55
VS		 3540
3541/**
3542 * drm_format_plane_cpp - determine the bytes per pixel value
3543 * @format: pixel format (DRM_FORMAT_*)
3544 * @plane: plane index
3545 *
3546 * RETURNS:
3547 * The bytes per pixel value for the specified plane.
3548 */
3549int drm_format_plane_cpp(uint32_t format, int plane)
3550{
3551 unsigned int depth;
3552 int bpp;
3553
3554 if (plane >= drm_format_num_planes(format))
3555 return 0;
3556
3557 switch (format) {
3558 case DRM_FORMAT_YUYV:
3559 case DRM_FORMAT_YVYU:
3560 case DRM_FORMAT_UYVY:
3561 case DRM_FORMAT_VYUY:
3562 return 2;
3563 case DRM_FORMAT_NV12:
3564 case DRM_FORMAT_NV21:
3565 case DRM_FORMAT_NV16:
3566 case DRM_FORMAT_NV61:
3567 return plane ? 2 : 1;
3568 case DRM_FORMAT_YUV410:
3569 case DRM_FORMAT_YVU410:
3570 case DRM_FORMAT_YUV411:
3571 case DRM_FORMAT_YVU411:
3572 case DRM_FORMAT_YUV420:
3573 case DRM_FORMAT_YVU420:
3574 case DRM_FORMAT_YUV422:
3575 case DRM_FORMAT_YVU422:
3576 case DRM_FORMAT_YUV444:
3577 case DRM_FORMAT_YVU444:
3578 return 1;
3579 default:
3580 drm_fb_get_bpp_depth(format, &depth, &bpp);
3581 return bpp >> 3;
3582 }
3583}
3584EXPORT_SYMBOL(drm_format_plane_cpp);
01b68b04
VS		 3585
3586/**
3587 * drm_format_horz_chroma_subsampling - get the horizontal chroma subsampling factor
3588 * @format: pixel format (DRM_FORMAT_*)
3589 *
3590 * RETURNS:
3591 * The horizontal chroma subsampling factor for the
3592 * specified pixel format.
3593 */
3594int drm_format_horz_chroma_subsampling(uint32_t format)
3595{
3596 switch (format) {
3597 case DRM_FORMAT_YUV411:
3598 case DRM_FORMAT_YVU411:
3599 case DRM_FORMAT_YUV410:
3600 case DRM_FORMAT_YVU410:
3601 return 4;
3602 case DRM_FORMAT_YUYV:
3603 case DRM_FORMAT_YVYU:
3604 case DRM_FORMAT_UYVY:
3605 case DRM_FORMAT_VYUY:
3606 case DRM_FORMAT_NV12:
3607 case DRM_FORMAT_NV21:
3608 case DRM_FORMAT_NV16:
3609 case DRM_FORMAT_NV61:
3610 case DRM_FORMAT_YUV422:
3611 case DRM_FORMAT_YVU422:
3612 case DRM_FORMAT_YUV420:
3613 case DRM_FORMAT_YVU420:
3614 return 2;
3615 default:
3616 return 1;
3617 }
3618}
3619EXPORT_SYMBOL(drm_format_horz_chroma_subsampling);
3620
3621/**
3622 * drm_format_vert_chroma_subsampling - get the vertical chroma subsampling factor
3623 * @format: pixel format (DRM_FORMAT_*)
3624 *
3625 * RETURNS:
3626 * The vertical chroma subsampling factor for the
3627 * specified pixel format.
3628 */
3629int drm_format_vert_chroma_subsampling(uint32_t format)
3630{
3631 switch (format) {
3632 case DRM_FORMAT_YUV410:
3633 case DRM_FORMAT_YVU410:
3634 return 4;
3635 case DRM_FORMAT_YUV420:
3636 case DRM_FORMAT_YVU420:
3637 case DRM_FORMAT_NV12:
3638 case DRM_FORMAT_NV21:
3639 return 2;
3640 default:
3641 return 1;
3642 }
3643}
3644EXPORT_SYMBOL(drm_format_vert_chroma_subsampling);
Linux kernel - Deliverables
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