projects / deliverable / linux.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
Merge branch 'for-airlied' of git://people.freedesktop.org/~danvet/drm-intel into...
[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
DA		 40
41struct drm_prop_enum_list {
42 int type;
43 char *name;
44};
45
46/* Avoid boilerplate. I'm tired of typing. */
47#define DRM_ENUM_NAME_FN(fnname, list) \
48 char *fnname(int val) \
49 { \
50 int i; \
51 for (i = 0; i < ARRAY_SIZE(list); i++) { \
52 if (list[i].type == val) \
53 return list[i].name; \
54 } \
55 return "(unknown)"; \
56 }
57
58/*
59 * Global properties
60 */
61static struct drm_prop_enum_list drm_dpms_enum_list[] =
62{ { DRM_MODE_DPMS_ON, "On" },
63 { DRM_MODE_DPMS_STANDBY, "Standby" },
64 { DRM_MODE_DPMS_SUSPEND, "Suspend" },
65 { DRM_MODE_DPMS_OFF, "Off" }
66};
67
68DRM_ENUM_NAME_FN(drm_get_dpms_name, drm_dpms_enum_list)
69
70/*
71 * Optional properties
72 */
73static struct drm_prop_enum_list drm_scaling_mode_enum_list[] =
74{
53bd8389
JB		 75 { DRM_MODE_SCALE_NONE, "None" },
76 { DRM_MODE_SCALE_FULLSCREEN, "Full" },
77 { DRM_MODE_SCALE_CENTER, "Center" },
78 { DRM_MODE_SCALE_ASPECT, "Full aspect" },
f453ba04
DA		 79};
80
81static struct drm_prop_enum_list drm_dithering_mode_enum_list[] =
82{
83 { DRM_MODE_DITHERING_OFF, "Off" },
84 { DRM_MODE_DITHERING_ON, "On" },
92897b5c 85 { DRM_MODE_DITHERING_AUTO, "Automatic" },
f453ba04
DA		 86};
87
88/*
89 * Non-global properties, but "required" for certain connectors.
90 */
91static struct drm_prop_enum_list drm_dvi_i_select_enum_list[] =
92{
93 { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */
94 { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */
95 { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */
96};
97
98DRM_ENUM_NAME_FN(drm_get_dvi_i_select_name, drm_dvi_i_select_enum_list)
99
100static struct drm_prop_enum_list drm_dvi_i_subconnector_enum_list[] =
101{
102 { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */
103 { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */
104 { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */
105};
106
107DRM_ENUM_NAME_FN(drm_get_dvi_i_subconnector_name,
108 drm_dvi_i_subconnector_enum_list)
109
110static struct drm_prop_enum_list drm_tv_select_enum_list[] =
111{
112 { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */
113 { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */
114 { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */
115 { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */
aeaa1ad3 116 { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */
f453ba04
DA		 117};
118
119DRM_ENUM_NAME_FN(drm_get_tv_select_name, drm_tv_select_enum_list)
120
121static struct drm_prop_enum_list drm_tv_subconnector_enum_list[] =
122{
123 { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */
124 { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */
125 { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */
126 { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */
aeaa1ad3 127 { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */
f453ba04
DA		 128};
129
130DRM_ENUM_NAME_FN(drm_get_tv_subconnector_name,
131 drm_tv_subconnector_enum_list)
132
884840aa
JB		 133static struct drm_prop_enum_list drm_dirty_info_enum_list[] = {
134 { DRM_MODE_DIRTY_OFF, "Off" },
135 { DRM_MODE_DIRTY_ON, "On" },
136 { DRM_MODE_DIRTY_ANNOTATE, "Annotate" },
137};
138
139DRM_ENUM_NAME_FN(drm_get_dirty_info_name,
140 drm_dirty_info_enum_list)
141
f453ba04
DA		 142struct drm_conn_prop_enum_list {
143 int type;
144 char *name;
145 int count;
146};
147
148/*
149 * Connector and encoder types.
150 */
151static struct drm_conn_prop_enum_list drm_connector_enum_list[] =
152{ { DRM_MODE_CONNECTOR_Unknown, "Unknown", 0 },
153 { DRM_MODE_CONNECTOR_VGA, "VGA", 0 },
154 { DRM_MODE_CONNECTOR_DVII, "DVI-I", 0 },
155 { DRM_MODE_CONNECTOR_DVID, "DVI-D", 0 },
156 { DRM_MODE_CONNECTOR_DVIA, "DVI-A", 0 },
157 { DRM_MODE_CONNECTOR_Composite, "Composite", 0 },
158 { DRM_MODE_CONNECTOR_SVIDEO, "SVIDEO", 0 },
159 { DRM_MODE_CONNECTOR_LVDS, "LVDS", 0 },
160 { DRM_MODE_CONNECTOR_Component, "Component", 0 },
e76116ca
AD		 161 { DRM_MODE_CONNECTOR_9PinDIN, "DIN", 0 },
162 { DRM_MODE_CONNECTOR_DisplayPort, "DP", 0 },
163 { DRM_MODE_CONNECTOR_HDMIA, "HDMI-A", 0 },
164 { DRM_MODE_CONNECTOR_HDMIB, "HDMI-B", 0 },
74bd3c26 165 { DRM_MODE_CONNECTOR_TV, "TV", 0 },
e76116ca 166 { DRM_MODE_CONNECTOR_eDP, "eDP", 0 },
a7331e5c 167 { DRM_MODE_CONNECTOR_VIRTUAL, "Virtual", 0},
f453ba04
DA		 168};
169
170static struct drm_prop_enum_list drm_encoder_enum_list[] =
171{ { DRM_MODE_ENCODER_NONE, "None" },
172 { DRM_MODE_ENCODER_DAC, "DAC" },
173 { DRM_MODE_ENCODER_TMDS, "TMDS" },
174 { DRM_MODE_ENCODER_LVDS, "LVDS" },
175 { DRM_MODE_ENCODER_TVDAC, "TV" },
a7331e5c 176 { DRM_MODE_ENCODER_VIRTUAL, "Virtual" },
f453ba04
DA		 177};
178
179char *drm_get_encoder_name(struct drm_encoder *encoder)
180{
181 static char buf[32];
182
183 snprintf(buf, 32, "%s-%d",
184 drm_encoder_enum_list[encoder->encoder_type].name,
185 encoder->base.id);
186 return buf;
187}
13a8195b 188EXPORT_SYMBOL(drm_get_encoder_name);
f453ba04
DA		 189
190char *drm_get_connector_name(struct drm_connector *connector)
191{
192 static char buf[32];
193
194 snprintf(buf, 32, "%s-%d",
195 drm_connector_enum_list[connector->connector_type].name,
196 connector->connector_type_id);
197 return buf;
198}
199EXPORT_SYMBOL(drm_get_connector_name);
200
201char *drm_get_connector_status_name(enum drm_connector_status status)
202{
203 if (status == connector_status_connected)
204 return "connected";
205 else if (status == connector_status_disconnected)
206 return "disconnected";
207 else
208 return "unknown";
209}
210
211/**
212 * drm_mode_object_get - allocate a new identifier
213 * @dev: DRM device
214 * @ptr: object pointer, used to generate unique ID
215 * @type: object type
216 *
217 * LOCKING:
f453ba04
DA		 218 *
219 * Create a unique identifier based on @ptr in @dev's identifier space. Used
220 * for tracking modes, CRTCs and connectors.
221 *
222 * RETURNS:
223 * New unique (relative to other objects in @dev) integer identifier for the
224 * object.
225 */
226static int drm_mode_object_get(struct drm_device *dev,
227 struct drm_mode_object *obj, uint32_t obj_type)
228{
229 int new_id = 0;
230 int ret;
231
f453ba04
DA		 232again:
233 if (idr_pre_get(&dev->mode_config.crtc_idr, GFP_KERNEL) == 0) {
234 DRM_ERROR("Ran out memory getting a mode number\n");
235 return -EINVAL;
236 }
237
ad2563c2 238 mutex_lock(&dev->mode_config.idr_mutex);
f453ba04 239 ret = idr_get_new_above(&dev->mode_config.crtc_idr, obj, 1, &new_id);
ad2563c2 240 mutex_unlock(&dev->mode_config.idr_mutex);
f453ba04
DA		 241 if (ret == -EAGAIN)
242 goto again;
243
244 obj->id = new_id;
245 obj->type = obj_type;
246 return 0;
247}
248
249/**
250 * drm_mode_object_put - free an identifer
251 * @dev: DRM device
252 * @id: ID to free
253 *
254 * LOCKING:
255 * Caller must hold DRM mode_config lock.
256 *
257 * Free @id from @dev's unique identifier pool.
258 */
259static void drm_mode_object_put(struct drm_device *dev,
260 struct drm_mode_object *object)
261{
ad2563c2 262 mutex_lock(&dev->mode_config.idr_mutex);
f453ba04 263 idr_remove(&dev->mode_config.crtc_idr, object->id);
ad2563c2 264 mutex_unlock(&dev->mode_config.idr_mutex);
f453ba04
DA		 265}
266
7a9c9060
DV		 267struct drm_mode_object *drm_mode_object_find(struct drm_device *dev,
268 uint32_t id, uint32_t type)
f453ba04 269{
ad2563c2 270 struct drm_mode_object *obj = NULL;
f453ba04 271
ad2563c2 272 mutex_lock(&dev->mode_config.idr_mutex);
f453ba04
DA		 273 obj = idr_find(&dev->mode_config.crtc_idr, id);
274 if (!obj || (obj->type != type) || (obj->id != id))
ad2563c2
JB		 275 obj = NULL;
276 mutex_unlock(&dev->mode_config.idr_mutex);
f453ba04
DA		 277
278 return obj;
279}
280EXPORT_SYMBOL(drm_mode_object_find);
281
f453ba04
DA		 282/**
283 * drm_framebuffer_init - initialize a framebuffer
284 * @dev: DRM device
285 *
286 * LOCKING:
287 * Caller must hold mode config lock.
288 *
289 * Allocates an ID for the framebuffer's parent mode object, sets its mode
290 * functions & device file and adds it to the master fd list.
291 *
292 * RETURNS:
af901ca1 293 * Zero on success, error code on failure.
f453ba04
DA		 294 */
295int drm_framebuffer_init(struct drm_device *dev, struct drm_framebuffer *fb,
296 const struct drm_framebuffer_funcs *funcs)
297{
298 int ret;
299
300 ret = drm_mode_object_get(dev, &fb->base, DRM_MODE_OBJECT_FB);
301 if (ret) {
302 return ret;
303 }
304
305 fb->dev = dev;
306 fb->funcs = funcs;
307 dev->mode_config.num_fb++;
308 list_add(&fb->head, &dev->mode_config.fb_list);
309
310 return 0;
311}
312EXPORT_SYMBOL(drm_framebuffer_init);
313
314/**
315 * drm_framebuffer_cleanup - remove a framebuffer object
316 * @fb: framebuffer to remove
317 *
318 * LOCKING:
319 * Caller must hold mode config lock.
320 *
321 * Scans all the CRTCs in @dev's mode_config. If they're using @fb, removes
322 * it, setting it to NULL.
323 */
324void drm_framebuffer_cleanup(struct drm_framebuffer *fb)
325{
326 struct drm_device *dev = fb->dev;
327 struct drm_crtc *crtc;
8cf5c917 328 struct drm_plane *plane;
5ef5f72f
DA		 329 struct drm_mode_set set;
330 int ret;
f453ba04
DA		 331
332 /* remove from any CRTC */
333 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
5ef5f72f
DA		 334 if (crtc->fb == fb) {
335 /* should turn off the crtc */
336 memset(&set, 0, sizeof(struct drm_mode_set));
337 set.crtc = crtc;
338 set.fb = NULL;
339 ret = crtc->funcs->set_config(&set);
340 if (ret)
341 DRM_ERROR("failed to reset crtc %p when fb was deleted\n", crtc);
342 }
f453ba04
DA		 343 }
344
8cf5c917
JB		 345 list_for_each_entry(plane, &dev->mode_config.plane_list, head) {
346 if (plane->fb == fb) {
347 /* should turn off the crtc */
348 ret = plane->funcs->disable_plane(plane);
349 if (ret)
350 DRM_ERROR("failed to disable plane with busy fb\n");
a9971157
RC		 351 /* disconnect the plane from the fb and crtc: */
352 plane->fb = NULL;
353 plane->crtc = NULL;
8cf5c917
JB		 354 }
355 }
356
f453ba04
DA		 357 drm_mode_object_put(dev, &fb->base);
358 list_del(&fb->head);
359 dev->mode_config.num_fb--;
360}
361EXPORT_SYMBOL(drm_framebuffer_cleanup);
362
363/**
364 * drm_crtc_init - Initialise a new CRTC object
365 * @dev: DRM device
366 * @crtc: CRTC object to init
367 * @funcs: callbacks for the new CRTC
368 *
369 * LOCKING:
370 * Caller must hold mode config lock.
371 *
372 * Inits a new object created as base part of an driver crtc object.
373 */
374void drm_crtc_init(struct drm_device *dev, struct drm_crtc *crtc,
375 const struct drm_crtc_funcs *funcs)
376{
377 crtc->dev = dev;
378 crtc->funcs = funcs;
379
380 mutex_lock(&dev->mode_config.mutex);
381 drm_mode_object_get(dev, &crtc->base, DRM_MODE_OBJECT_CRTC);
382
383 list_add_tail(&crtc->head, &dev->mode_config.crtc_list);
384 dev->mode_config.num_crtc++;
385 mutex_unlock(&dev->mode_config.mutex);
386}
387EXPORT_SYMBOL(drm_crtc_init);
388
389/**
390 * drm_crtc_cleanup - Cleans up the core crtc usage.
391 * @crtc: CRTC to cleanup
392 *
393 * LOCKING:
394 * Caller must hold mode config lock.
395 *
396 * Cleanup @crtc. Removes from drm modesetting space
397 * does NOT free object, caller does that.
398 */
399void drm_crtc_cleanup(struct drm_crtc *crtc)
400{
401 struct drm_device *dev = crtc->dev;
402
403 if (crtc->gamma_store) {
404 kfree(crtc->gamma_store);
405 crtc->gamma_store = NULL;
406 }
407
408 drm_mode_object_put(dev, &crtc->base);
409 list_del(&crtc->head);
410 dev->mode_config.num_crtc--;
411}
412EXPORT_SYMBOL(drm_crtc_cleanup);
413
414/**
415 * drm_mode_probed_add - add a mode to a connector's probed mode list
416 * @connector: connector the new mode
417 * @mode: mode data
418 *
419 * LOCKING:
420 * Caller must hold mode config lock.
421 *
422 * Add @mode to @connector's mode list for later use.
423 */
424void drm_mode_probed_add(struct drm_connector *connector,
425 struct drm_display_mode *mode)
426{
427 list_add(&mode->head, &connector->probed_modes);
428}
429EXPORT_SYMBOL(drm_mode_probed_add);
430
431/**
432 * drm_mode_remove - remove and free a mode
433 * @connector: connector list to modify
434 * @mode: mode to remove
435 *
436 * LOCKING:
437 * Caller must hold mode config lock.
438 *
439 * Remove @mode from @connector's mode list, then free it.
440 */
441void drm_mode_remove(struct drm_connector *connector,
442 struct drm_display_mode *mode)
443{
444 list_del(&mode->head);
554f1d78 445 drm_mode_destroy(connector->dev, mode);
f453ba04
DA		 446}
447EXPORT_SYMBOL(drm_mode_remove);
448
449/**
450 * drm_connector_init - Init a preallocated connector
451 * @dev: DRM device
452 * @connector: the connector to init
453 * @funcs: callbacks for this connector
454 * @name: user visible name of the connector
455 *
456 * LOCKING:
b20f3867 457 * Takes mode config lock.
f453ba04
DA		 458 *
459 * Initialises a preallocated connector. Connectors should be
460 * subclassed as part of driver connector objects.
461 */
462void drm_connector_init(struct drm_device *dev,
463 struct drm_connector *connector,
464 const struct drm_connector_funcs *funcs,
465 int connector_type)
466{
467 mutex_lock(&dev->mode_config.mutex);
468
469 connector->dev = dev;
470 connector->funcs = funcs;
471 drm_mode_object_get(dev, &connector->base, DRM_MODE_OBJECT_CONNECTOR);
472 connector->connector_type = connector_type;
473 connector->connector_type_id =
474 ++drm_connector_enum_list[connector_type].count; /* TODO */
475 INIT_LIST_HEAD(&connector->user_modes);
476 INIT_LIST_HEAD(&connector->probed_modes);
477 INIT_LIST_HEAD(&connector->modes);
478 connector->edid_blob_ptr = NULL;
479
480 list_add_tail(&connector->head, &dev->mode_config.connector_list);
481 dev->mode_config.num_connector++;
482
a7331e5c
TH		 483 if (connector_type != DRM_MODE_CONNECTOR_VIRTUAL)
484 drm_connector_attach_property(connector,
485 dev->mode_config.edid_property,
486 0);
f453ba04
DA		 487
488 drm_connector_attach_property(connector,
489 dev->mode_config.dpms_property, 0);
490
491 mutex_unlock(&dev->mode_config.mutex);
492}
493EXPORT_SYMBOL(drm_connector_init);
494
495/**
496 * drm_connector_cleanup - cleans up an initialised connector
497 * @connector: connector to cleanup
498 *
499 * LOCKING:
b20f3867 500 * Takes mode config lock.
f453ba04
DA		 501 *
502 * Cleans up the connector but doesn't free the object.
503 */
504void drm_connector_cleanup(struct drm_connector *connector)
505{
506 struct drm_device *dev = connector->dev;
507 struct drm_display_mode *mode, *t;
508
509 list_for_each_entry_safe(mode, t, &connector->probed_modes, head)
510 drm_mode_remove(connector, mode);
511
512 list_for_each_entry_safe(mode, t, &connector->modes, head)
513 drm_mode_remove(connector, mode);
514
515 list_for_each_entry_safe(mode, t, &connector->user_modes, head)
516 drm_mode_remove(connector, mode);
517
518 mutex_lock(&dev->mode_config.mutex);
519 drm_mode_object_put(dev, &connector->base);
520 list_del(&connector->head);
6380c509 521 dev->mode_config.num_connector--;
f453ba04
DA		 522 mutex_unlock(&dev->mode_config.mutex);
523}
524EXPORT_SYMBOL(drm_connector_cleanup);
525
526void drm_encoder_init(struct drm_device *dev,
527 struct drm_encoder *encoder,
528 const struct drm_encoder_funcs *funcs,
529 int encoder_type)
530{
531 mutex_lock(&dev->mode_config.mutex);
532
533 encoder->dev = dev;
534
535 drm_mode_object_get(dev, &encoder->base, DRM_MODE_OBJECT_ENCODER);
536 encoder->encoder_type = encoder_type;
537 encoder->funcs = funcs;
538
539 list_add_tail(&encoder->head, &dev->mode_config.encoder_list);
540 dev->mode_config.num_encoder++;
541
542 mutex_unlock(&dev->mode_config.mutex);
543}
544EXPORT_SYMBOL(drm_encoder_init);
545
546void drm_encoder_cleanup(struct drm_encoder *encoder)
547{
548 struct drm_device *dev = encoder->dev;
549 mutex_lock(&dev->mode_config.mutex);
550 drm_mode_object_put(dev, &encoder->base);
551 list_del(&encoder->head);
6380c509 552 dev->mode_config.num_encoder--;
f453ba04
DA		 553 mutex_unlock(&dev->mode_config.mutex);
554}
555EXPORT_SYMBOL(drm_encoder_cleanup);
556
8cf5c917
JB		 557int drm_plane_init(struct drm_device *dev, struct drm_plane *plane,
558 unsigned long possible_crtcs,
559 const struct drm_plane_funcs *funcs,
0a7eb243
RC		 560 const uint32_t *formats, uint32_t format_count,
561 bool priv)
8cf5c917
JB		 562{
563 mutex_lock(&dev->mode_config.mutex);
564
565 plane->dev = dev;
566 drm_mode_object_get(dev, &plane->base, DRM_MODE_OBJECT_PLANE);
567 plane->funcs = funcs;
568 plane->format_types = kmalloc(sizeof(uint32_t) * format_count,
569 GFP_KERNEL);
570 if (!plane->format_types) {
571 DRM_DEBUG_KMS("out of memory when allocating plane\n");
572 drm_mode_object_put(dev, &plane->base);
10bf573b 573 mutex_unlock(&dev->mode_config.mutex);
8cf5c917
JB		 574 return -ENOMEM;
575 }
576
308e5bcb 577 memcpy(plane->format_types, formats, format_count * sizeof(uint32_t));
8cf5c917
JB		 578 plane->format_count = format_count;
579 plane->possible_crtcs = possible_crtcs;
580
0a7eb243
RC		 581 /* private planes are not exposed to userspace, but depending on
582 * display hardware, might be convenient to allow sharing programming
583 * for the scanout engine with the crtc implementation.
584 */
585 if (!priv) {
586 list_add_tail(&plane->head, &dev->mode_config.plane_list);
587 dev->mode_config.num_plane++;
588 } else {
589 INIT_LIST_HEAD(&plane->head);
590 }
8cf5c917
JB		 591
592 mutex_unlock(&dev->mode_config.mutex);
593
594 return 0;
595}
596EXPORT_SYMBOL(drm_plane_init);
597
598void drm_plane_cleanup(struct drm_plane *plane)
599{
600 struct drm_device *dev = plane->dev;
601
602 mutex_lock(&dev->mode_config.mutex);
603 kfree(plane->format_types);
604 drm_mode_object_put(dev, &plane->base);
0a7eb243
RC		 605 /* if not added to a list, it must be a private plane */
606 if (!list_empty(&plane->head)) {
607 list_del(&plane->head);
608 dev->mode_config.num_plane--;
609 }
8cf5c917
JB		 610 mutex_unlock(&dev->mode_config.mutex);
611}
612EXPORT_SYMBOL(drm_plane_cleanup);
613
f453ba04
DA		 614/**
615 * drm_mode_create - create a new display mode
616 * @dev: DRM device
617 *
618 * LOCKING:
619 * Caller must hold DRM mode_config lock.
620 *
621 * Create a new drm_display_mode, give it an ID, and return it.
622 *
623 * RETURNS:
624 * Pointer to new mode on success, NULL on error.
625 */
626struct drm_display_mode *drm_mode_create(struct drm_device *dev)
627{
628 struct drm_display_mode *nmode;
629
630 nmode = kzalloc(sizeof(struct drm_display_mode), GFP_KERNEL);
631 if (!nmode)
632 return NULL;
633
634 drm_mode_object_get(dev, &nmode->base, DRM_MODE_OBJECT_MODE);
635 return nmode;
636}
637EXPORT_SYMBOL(drm_mode_create);
638
639/**
640 * drm_mode_destroy - remove a mode
641 * @dev: DRM device
642 * @mode: mode to remove
643 *
644 * LOCKING:
645 * Caller must hold mode config lock.
646 *
647 * Free @mode's unique identifier, then free it.
648 */
649void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode)
650{
651 drm_mode_object_put(dev, &mode->base);
652
653 kfree(mode);
654}
655EXPORT_SYMBOL(drm_mode_destroy);
656
657static int drm_mode_create_standard_connector_properties(struct drm_device *dev)
658{
659 struct drm_property *edid;
660 struct drm_property *dpms;
661 int i;
662
663 /*
664 * Standard properties (apply to all connectors)
665 */
666 edid = drm_property_create(dev, DRM_MODE_PROP_BLOB |
667 DRM_MODE_PROP_IMMUTABLE,
668 "EDID", 0);
669 dev->mode_config.edid_property = edid;
670
671 dpms = drm_property_create(dev, DRM_MODE_PROP_ENUM,
672 "DPMS", ARRAY_SIZE(drm_dpms_enum_list));
673 for (i = 0; i < ARRAY_SIZE(drm_dpms_enum_list); i++)
674 drm_property_add_enum(dpms, i, drm_dpms_enum_list[i].type,
675 drm_dpms_enum_list[i].name);
676 dev->mode_config.dpms_property = dpms;
677
678 return 0;
679}
680
681/**
682 * drm_mode_create_dvi_i_properties - create DVI-I specific connector properties
683 * @dev: DRM device
684 *
685 * Called by a driver the first time a DVI-I connector is made.
686 */
687int drm_mode_create_dvi_i_properties(struct drm_device *dev)
688{
689 struct drm_property *dvi_i_selector;
690 struct drm_property *dvi_i_subconnector;
691 int i;
692
693 if (dev->mode_config.dvi_i_select_subconnector_property)
694 return 0;
695
696 dvi_i_selector =
697 drm_property_create(dev, DRM_MODE_PROP_ENUM,
698 "select subconnector",
699 ARRAY_SIZE(drm_dvi_i_select_enum_list));
700 for (i = 0; i < ARRAY_SIZE(drm_dvi_i_select_enum_list); i++)
701 drm_property_add_enum(dvi_i_selector, i,
702 drm_dvi_i_select_enum_list[i].type,
703 drm_dvi_i_select_enum_list[i].name);
704 dev->mode_config.dvi_i_select_subconnector_property = dvi_i_selector;
705
706 dvi_i_subconnector =
707 drm_property_create(dev, DRM_MODE_PROP_ENUM |
708 DRM_MODE_PROP_IMMUTABLE,
709 "subconnector",
710 ARRAY_SIZE(drm_dvi_i_subconnector_enum_list));
711 for (i = 0; i < ARRAY_SIZE(drm_dvi_i_subconnector_enum_list); i++)
712 drm_property_add_enum(dvi_i_subconnector, i,
713 drm_dvi_i_subconnector_enum_list[i].type,
714 drm_dvi_i_subconnector_enum_list[i].name);
715 dev->mode_config.dvi_i_subconnector_property = dvi_i_subconnector;
716
717 return 0;
718}
719EXPORT_SYMBOL(drm_mode_create_dvi_i_properties);
720
721/**
722 * drm_create_tv_properties - create TV specific connector properties
723 * @dev: DRM device
724 * @num_modes: number of different TV formats (modes) supported
725 * @modes: array of pointers to strings containing name of each format
726 *
727 * Called by a driver's TV initialization routine, this function creates
728 * the TV specific connector properties for a given device. Caller is
729 * responsible for allocating a list of format names and passing them to
730 * this routine.
731 */
732int drm_mode_create_tv_properties(struct drm_device *dev, int num_modes,
733 char *modes[])
734{
735 struct drm_property *tv_selector;
736 struct drm_property *tv_subconnector;
737 int i;
738
739 if (dev->mode_config.tv_select_subconnector_property)
740 return 0;
741
742 /*
743 * Basic connector properties
744 */
745 tv_selector = drm_property_create(dev, DRM_MODE_PROP_ENUM,
746 "select subconnector",
747 ARRAY_SIZE(drm_tv_select_enum_list));
748 for (i = 0; i < ARRAY_SIZE(drm_tv_select_enum_list); i++)
749 drm_property_add_enum(tv_selector, i,
750 drm_tv_select_enum_list[i].type,
751 drm_tv_select_enum_list[i].name);
752 dev->mode_config.tv_select_subconnector_property = tv_selector;
753
754 tv_subconnector =
755 drm_property_create(dev, DRM_MODE_PROP_ENUM |
756 DRM_MODE_PROP_IMMUTABLE, "subconnector",
757 ARRAY_SIZE(drm_tv_subconnector_enum_list));
758 for (i = 0; i < ARRAY_SIZE(drm_tv_subconnector_enum_list); i++)
759 drm_property_add_enum(tv_subconnector, i,
760 drm_tv_subconnector_enum_list[i].type,
761 drm_tv_subconnector_enum_list[i].name);
762 dev->mode_config.tv_subconnector_property = tv_subconnector;
763
764 /*
765 * Other, TV specific properties: margins & TV modes.
766 */
767 dev->mode_config.tv_left_margin_property =
768 drm_property_create(dev, DRM_MODE_PROP_RANGE,
769 "left margin", 2);
770 dev->mode_config.tv_left_margin_property->values[0] = 0;
771 dev->mode_config.tv_left_margin_property->values[1] = 100;
772
773 dev->mode_config.tv_right_margin_property =
774 drm_property_create(dev, DRM_MODE_PROP_RANGE,
775 "right margin", 2);
776 dev->mode_config.tv_right_margin_property->values[0] = 0;
777 dev->mode_config.tv_right_margin_property->values[1] = 100;
778
779 dev->mode_config.tv_top_margin_property =
780 drm_property_create(dev, DRM_MODE_PROP_RANGE,
781 "top margin", 2);
782 dev->mode_config.tv_top_margin_property->values[0] = 0;
783 dev->mode_config.tv_top_margin_property->values[1] = 100;
784
785 dev->mode_config.tv_bottom_margin_property =
786 drm_property_create(dev, DRM_MODE_PROP_RANGE,
787 "bottom margin", 2);
788 dev->mode_config.tv_bottom_margin_property->values[0] = 0;
789 dev->mode_config.tv_bottom_margin_property->values[1] = 100;
790
791 dev->mode_config.tv_mode_property =
792 drm_property_create(dev, DRM_MODE_PROP_ENUM,
793 "mode", num_modes);
794 for (i = 0; i < num_modes; i++)
795 drm_property_add_enum(dev->mode_config.tv_mode_property, i,
796 i, modes[i]);
797
b6b7902e
FJ		 798 dev->mode_config.tv_brightness_property =
799 drm_property_create(dev, DRM_MODE_PROP_RANGE,
800 "brightness", 2);
801 dev->mode_config.tv_brightness_property->values[0] = 0;
802 dev->mode_config.tv_brightness_property->values[1] = 100;
803
804 dev->mode_config.tv_contrast_property =
805 drm_property_create(dev, DRM_MODE_PROP_RANGE,
806 "contrast", 2);
807 dev->mode_config.tv_contrast_property->values[0] = 0;
808 dev->mode_config.tv_contrast_property->values[1] = 100;
809
810 dev->mode_config.tv_flicker_reduction_property =
811 drm_property_create(dev, DRM_MODE_PROP_RANGE,
812 "flicker reduction", 2);
813 dev->mode_config.tv_flicker_reduction_property->values[0] = 0;
814 dev->mode_config.tv_flicker_reduction_property->values[1] = 100;
815
a75f0236
FJ		 816 dev->mode_config.tv_overscan_property =
817 drm_property_create(dev, DRM_MODE_PROP_RANGE,
818 "overscan", 2);
819 dev->mode_config.tv_overscan_property->values[0] = 0;
820 dev->mode_config.tv_overscan_property->values[1] = 100;
821
822 dev->mode_config.tv_saturation_property =
823 drm_property_create(dev, DRM_MODE_PROP_RANGE,
824 "saturation", 2);
825 dev->mode_config.tv_saturation_property->values[0] = 0;
826 dev->mode_config.tv_saturation_property->values[1] = 100;
827
828 dev->mode_config.tv_hue_property =
829 drm_property_create(dev, DRM_MODE_PROP_RANGE,
830 "hue", 2);
831 dev->mode_config.tv_hue_property->values[0] = 0;
832 dev->mode_config.tv_hue_property->values[1] = 100;
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;
848 int i;
849
850 if (dev->mode_config.scaling_mode_property)
851 return 0;
852
853 scaling_mode =
854 drm_property_create(dev, DRM_MODE_PROP_ENUM, "scaling mode",
855 ARRAY_SIZE(drm_scaling_mode_enum_list));
856 for (i = 0; i < ARRAY_SIZE(drm_scaling_mode_enum_list); i++)
857 drm_property_add_enum(scaling_mode, i,
858 drm_scaling_mode_enum_list[i].type,
859 drm_scaling_mode_enum_list[i].name);
860
861 dev->mode_config.scaling_mode_property = scaling_mode;
862
863 return 0;
864}
865EXPORT_SYMBOL(drm_mode_create_scaling_mode_property);
866
867/**
868 * drm_mode_create_dithering_property - create dithering property
869 * @dev: DRM device
870 *
871 * Called by a driver the first time it's needed, must be attached to desired
872 * connectors.
873 */
874int drm_mode_create_dithering_property(struct drm_device *dev)
875{
876 struct drm_property *dithering_mode;
877 int i;
878
879 if (dev->mode_config.dithering_mode_property)
880 return 0;
881
882 dithering_mode =
883 drm_property_create(dev, DRM_MODE_PROP_ENUM, "dithering",
884 ARRAY_SIZE(drm_dithering_mode_enum_list));
885 for (i = 0; i < ARRAY_SIZE(drm_dithering_mode_enum_list); i++)
886 drm_property_add_enum(dithering_mode, i,
887 drm_dithering_mode_enum_list[i].type,
888 drm_dithering_mode_enum_list[i].name);
889 dev->mode_config.dithering_mode_property = dithering_mode;
890
891 return 0;
892}
893EXPORT_SYMBOL(drm_mode_create_dithering_property);
894
884840aa
JB		 895/**
896 * drm_mode_create_dirty_property - create dirty property
897 * @dev: DRM device
898 *
899 * Called by a driver the first time it's needed, must be attached to desired
900 * connectors.
901 */
902int drm_mode_create_dirty_info_property(struct drm_device *dev)
903{
904 struct drm_property *dirty_info;
905 int i;
906
907 if (dev->mode_config.dirty_info_property)
908 return 0;
909
910 dirty_info =
911 drm_property_create(dev, DRM_MODE_PROP_ENUM |
912 DRM_MODE_PROP_IMMUTABLE,
913 "dirty",
914 ARRAY_SIZE(drm_dirty_info_enum_list));
915 for (i = 0; i < ARRAY_SIZE(drm_dirty_info_enum_list); i++)
916 drm_property_add_enum(dirty_info, i,
917 drm_dirty_info_enum_list[i].type,
918 drm_dirty_info_enum_list[i].name);
919 dev->mode_config.dirty_info_property = dirty_info;
920
921 return 0;
922}
923EXPORT_SYMBOL(drm_mode_create_dirty_info_property);
924
f453ba04
DA		 925/**
926 * drm_mode_config_init - initialize DRM mode_configuration structure
927 * @dev: DRM device
928 *
929 * LOCKING:
930 * None, should happen single threaded at init time.
931 *
932 * Initialize @dev's mode_config structure, used for tracking the graphics
933 * configuration of @dev.
934 */
935void drm_mode_config_init(struct drm_device *dev)
936{
937 mutex_init(&dev->mode_config.mutex);
ad2563c2 938 mutex_init(&dev->mode_config.idr_mutex);
f453ba04 939 INIT_LIST_HEAD(&dev->mode_config.fb_list);
f453ba04
DA		 940 INIT_LIST_HEAD(&dev->mode_config.crtc_list);
941 INIT_LIST_HEAD(&dev->mode_config.connector_list);
942 INIT_LIST_HEAD(&dev->mode_config.encoder_list);
943 INIT_LIST_HEAD(&dev->mode_config.property_list);
944 INIT_LIST_HEAD(&dev->mode_config.property_blob_list);
8cf5c917 945 INIT_LIST_HEAD(&dev->mode_config.plane_list);
f453ba04
DA		 946 idr_init(&dev->mode_config.crtc_idr);
947
948 mutex_lock(&dev->mode_config.mutex);
949 drm_mode_create_standard_connector_properties(dev);
950 mutex_unlock(&dev->mode_config.mutex);
951
952 /* Just to be sure */
953 dev->mode_config.num_fb = 0;
954 dev->mode_config.num_connector = 0;
955 dev->mode_config.num_crtc = 0;
956 dev->mode_config.num_encoder = 0;
f453ba04
DA		 957}
958EXPORT_SYMBOL(drm_mode_config_init);
959
960int drm_mode_group_init(struct drm_device *dev, struct drm_mode_group *group)
961{
962 uint32_t total_objects = 0;
963
964 total_objects += dev->mode_config.num_crtc;
965 total_objects += dev->mode_config.num_connector;
966 total_objects += dev->mode_config.num_encoder;
967
f453ba04
DA		 968 group->id_list = kzalloc(total_objects * sizeof(uint32_t), GFP_KERNEL);
969 if (!group->id_list)
970 return -ENOMEM;
971
972 group->num_crtcs = 0;
973 group->num_connectors = 0;
974 group->num_encoders = 0;
975 return 0;
976}
977
978int drm_mode_group_init_legacy_group(struct drm_device *dev,
979 struct drm_mode_group *group)
980{
981 struct drm_crtc *crtc;
982 struct drm_encoder *encoder;
983 struct drm_connector *connector;
984 int ret;
985
986 if ((ret = drm_mode_group_init(dev, group)))
987 return ret;
988
989 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head)
990 group->id_list[group->num_crtcs++] = crtc->base.id;
991
992 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head)
993 group->id_list[group->num_crtcs + group->num_encoders++] =
994 encoder->base.id;
995
996 list_for_each_entry(connector, &dev->mode_config.connector_list, head)
997 group->id_list[group->num_crtcs + group->num_encoders +
998 group->num_connectors++] = connector->base.id;
999
1000 return 0;
1001}
1002
1003/**
1004 * drm_mode_config_cleanup - free up DRM mode_config info
1005 * @dev: DRM device
1006 *
1007 * LOCKING:
1008 * Caller must hold mode config lock.
1009 *
1010 * Free up all the connectors and CRTCs associated with this DRM device, then
1011 * free up the framebuffers and associated buffer objects.
1012 *
1013 * FIXME: cleanup any dangling user buffer objects too
1014 */
1015void drm_mode_config_cleanup(struct drm_device *dev)
1016{
1017 struct drm_connector *connector, *ot;
1018 struct drm_crtc *crtc, *ct;
1019 struct drm_encoder *encoder, *enct;
1020 struct drm_framebuffer *fb, *fbt;
1021 struct drm_property *property, *pt;
8cf5c917 1022 struct drm_plane *plane, *plt;
f453ba04
DA		 1023
1024 list_for_each_entry_safe(encoder, enct, &dev->mode_config.encoder_list,
1025 head) {
1026 encoder->funcs->destroy(encoder);
1027 }
1028
1029 list_for_each_entry_safe(connector, ot,
1030 &dev->mode_config.connector_list, head) {
1031 connector->funcs->destroy(connector);
1032 }
1033
1034 list_for_each_entry_safe(property, pt, &dev->mode_config.property_list,
1035 head) {
1036 drm_property_destroy(dev, property);
1037 }
1038
1039 list_for_each_entry_safe(fb, fbt, &dev->mode_config.fb_list, head) {
1040 fb->funcs->destroy(fb);
1041 }
1042
1043 list_for_each_entry_safe(crtc, ct, &dev->mode_config.crtc_list, head) {
1044 crtc->funcs->destroy(crtc);
1045 }
1046
8cf5c917
JB		 1047 list_for_each_entry_safe(plane, plt, &dev->mode_config.plane_list,
1048 head) {
1049 plane->funcs->destroy(plane);
1050 }
59ce062e
SH		 1051
1052 idr_remove_all(&dev->mode_config.crtc_idr);
1053 idr_destroy(&dev->mode_config.crtc_idr);
f453ba04
DA		 1054}
1055EXPORT_SYMBOL(drm_mode_config_cleanup);
1056
f453ba04
DA		 1057/**
1058 * drm_crtc_convert_to_umode - convert a drm_display_mode into a modeinfo
1059 * @out: drm_mode_modeinfo struct to return to the user
1060 * @in: drm_display_mode to use
1061 *
1062 * LOCKING:
1063 * None.
1064 *
1065 * Convert a drm_display_mode into a drm_mode_modeinfo structure to return to
1066 * the user.
1067 */
1068void drm_crtc_convert_to_umode(struct drm_mode_modeinfo *out,
1069 struct drm_display_mode *in)
1070{
1071 out->clock = in->clock;
1072 out->hdisplay = in->hdisplay;
1073 out->hsync_start = in->hsync_start;
1074 out->hsync_end = in->hsync_end;
1075 out->htotal = in->htotal;
1076 out->hskew = in->hskew;
1077 out->vdisplay = in->vdisplay;
1078 out->vsync_start = in->vsync_start;
1079 out->vsync_end = in->vsync_end;
1080 out->vtotal = in->vtotal;
1081 out->vscan = in->vscan;
1082 out->vrefresh = in->vrefresh;
1083 out->flags = in->flags;
1084 out->type = in->type;
1085 strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN);
1086 out->name[DRM_DISPLAY_MODE_LEN-1] = 0;
1087}
1088
1089/**
1090 * drm_crtc_convert_to_umode - convert a modeinfo into a drm_display_mode
1091 * @out: drm_display_mode to return to the user
1092 * @in: drm_mode_modeinfo to use
1093 *
1094 * LOCKING:
1095 * None.
1096 *
1097 * Convert a drm_mode_modeinfo into a drm_display_mode structure to return to
1098 * the caller.
1099 */
1100void drm_crtc_convert_umode(struct drm_display_mode *out,
1101 struct drm_mode_modeinfo *in)
1102{
1103 out->clock = in->clock;
1104 out->hdisplay = in->hdisplay;
1105 out->hsync_start = in->hsync_start;
1106 out->hsync_end = in->hsync_end;
1107 out->htotal = in->htotal;
1108 out->hskew = in->hskew;
1109 out->vdisplay = in->vdisplay;
1110 out->vsync_start = in->vsync_start;
1111 out->vsync_end = in->vsync_end;
1112 out->vtotal = in->vtotal;
1113 out->vscan = in->vscan;
1114 out->vrefresh = in->vrefresh;
1115 out->flags = in->flags;
1116 out->type = in->type;
1117 strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN);
1118 out->name[DRM_DISPLAY_MODE_LEN-1] = 0;
1119}
1120
1121/**
1122 * drm_mode_getresources - get graphics configuration
1123 * @inode: inode from the ioctl
1124 * @filp: file * from the ioctl
1125 * @cmd: cmd from ioctl
1126 * @arg: arg from ioctl
1127 *
1128 * LOCKING:
1129 * Takes mode config lock.
1130 *
1131 * Construct a set of configuration description structures and return
1132 * them to the user, including CRTC, connector and framebuffer configuration.
1133 *
1134 * Called by the user via ioctl.
1135 *
1136 * RETURNS:
1137 * Zero on success, errno on failure.
1138 */
1139int drm_mode_getresources(struct drm_device *dev, void *data,
1140 struct drm_file *file_priv)
1141{
1142 struct drm_mode_card_res *card_res = data;
1143 struct list_head *lh;
1144 struct drm_framebuffer *fb;
1145 struct drm_connector *connector;
1146 struct drm_crtc *crtc;
1147 struct drm_encoder *encoder;
1148 int ret = 0;
1149 int connector_count = 0;
1150 int crtc_count = 0;
1151 int fb_count = 0;
1152 int encoder_count = 0;
1153 int copied = 0, i;
1154 uint32_t __user *fb_id;
1155 uint32_t __user *crtc_id;
1156 uint32_t __user *connector_id;
1157 uint32_t __user *encoder_id;
1158 struct drm_mode_group *mode_group;
1159
fb3b06c8
DA		 1160 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1161 return -EINVAL;
1162
f453ba04
DA		 1163 mutex_lock(&dev->mode_config.mutex);
1164
1165 /*
1166 * For the non-control nodes we need to limit the list of resources
1167 * by IDs in the group list for this node
1168 */
1169 list_for_each(lh, &file_priv->fbs)
1170 fb_count++;
1171
1172 mode_group = &file_priv->master->minor->mode_group;
1173 if (file_priv->master->minor->type == DRM_MINOR_CONTROL) {
1174
1175 list_for_each(lh, &dev->mode_config.crtc_list)
1176 crtc_count++;
1177
1178 list_for_each(lh, &dev->mode_config.connector_list)
1179 connector_count++;
1180
1181 list_for_each(lh, &dev->mode_config.encoder_list)
1182 encoder_count++;
1183 } else {
1184
1185 crtc_count = mode_group->num_crtcs;
1186 connector_count = mode_group->num_connectors;
1187 encoder_count = mode_group->num_encoders;
1188 }
1189
1190 card_res->max_height = dev->mode_config.max_height;
1191 card_res->min_height = dev->mode_config.min_height;
1192 card_res->max_width = dev->mode_config.max_width;
1193 card_res->min_width = dev->mode_config.min_width;
1194
1195 /* handle this in 4 parts */
1196 /* FBs */
1197 if (card_res->count_fbs >= fb_count) {
1198 copied = 0;
1199 fb_id = (uint32_t __user *)(unsigned long)card_res->fb_id_ptr;
618c75e4 1200 list_for_each_entry(fb, &file_priv->fbs, filp_head) {
f453ba04
DA		 1201 if (put_user(fb->base.id, fb_id + copied)) {
1202 ret = -EFAULT;
1203 goto out;
1204 }
1205 copied++;
1206 }
1207 }
1208 card_res->count_fbs = fb_count;
1209
1210 /* CRTCs */
1211 if (card_res->count_crtcs >= crtc_count) {
1212 copied = 0;
1213 crtc_id = (uint32_t __user *)(unsigned long)card_res->crtc_id_ptr;
1214 if (file_priv->master->minor->type == DRM_MINOR_CONTROL) {
1215 list_for_each_entry(crtc, &dev->mode_config.crtc_list,
1216 head) {
9440106b 1217 DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id);
f453ba04
DA		 1218 if (put_user(crtc->base.id, crtc_id + copied)) {
1219 ret = -EFAULT;
1220 goto out;
1221 }
1222 copied++;
1223 }
1224 } else {
1225 for (i = 0; i < mode_group->num_crtcs; i++) {
1226 if (put_user(mode_group->id_list[i],
1227 crtc_id + copied)) {
1228 ret = -EFAULT;
1229 goto out;
1230 }
1231 copied++;
1232 }
1233 }
1234 }
1235 card_res->count_crtcs = crtc_count;
1236
1237 /* Encoders */
1238 if (card_res->count_encoders >= encoder_count) {
1239 copied = 0;
1240 encoder_id = (uint32_t __user *)(unsigned long)card_res->encoder_id_ptr;
1241 if (file_priv->master->minor->type == DRM_MINOR_CONTROL) {
1242 list_for_each_entry(encoder,
1243 &dev->mode_config.encoder_list,
1244 head) {
9440106b
JG		 1245 DRM_DEBUG_KMS("[ENCODER:%d:%s]\n", encoder->base.id,
1246 drm_get_encoder_name(encoder));
f453ba04
DA		 1247 if (put_user(encoder->base.id, encoder_id +
1248 copied)) {
1249 ret = -EFAULT;
1250 goto out;
1251 }
1252 copied++;
1253 }
1254 } else {
1255 for (i = mode_group->num_crtcs; i < mode_group->num_crtcs + mode_group->num_encoders; i++) {
1256 if (put_user(mode_group->id_list[i],
1257 encoder_id + copied)) {
1258 ret = -EFAULT;
1259 goto out;
1260 }
1261 copied++;
1262 }
1263
1264 }
1265 }
1266 card_res->count_encoders = encoder_count;
1267
1268 /* Connectors */
1269 if (card_res->count_connectors >= connector_count) {
1270 copied = 0;
1271 connector_id = (uint32_t __user *)(unsigned long)card_res->connector_id_ptr;
1272 if (file_priv->master->minor->type == DRM_MINOR_CONTROL) {
1273 list_for_each_entry(connector,
1274 &dev->mode_config.connector_list,
1275 head) {
9440106b
JG		 1276 DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
1277 connector->base.id,
1278 drm_get_connector_name(connector));
f453ba04
DA		 1279 if (put_user(connector->base.id,
1280 connector_id + copied)) {
1281 ret = -EFAULT;
1282 goto out;
1283 }
1284 copied++;
1285 }
1286 } else {
1287 int start = mode_group->num_crtcs +
1288 mode_group->num_encoders;
1289 for (i = start; i < start + mode_group->num_connectors; i++) {
1290 if (put_user(mode_group->id_list[i],
1291 connector_id + copied)) {
1292 ret = -EFAULT;
1293 goto out;
1294 }
1295 copied++;
1296 }
1297 }
1298 }
1299 card_res->count_connectors = connector_count;
1300
9440106b 1301 DRM_DEBUG_KMS("CRTC[%d] CONNECTORS[%d] ENCODERS[%d]\n", card_res->count_crtcs,
f453ba04
DA		 1302 card_res->count_connectors, card_res->count_encoders);
1303
1304out:
1305 mutex_unlock(&dev->mode_config.mutex);
1306 return ret;
1307}
1308
1309/**
1310 * drm_mode_getcrtc - get CRTC configuration
1311 * @inode: inode from the ioctl
1312 * @filp: file * from the ioctl
1313 * @cmd: cmd from ioctl
1314 * @arg: arg from ioctl
1315 *
1316 * LOCKING:
b20f3867 1317 * Takes mode config lock.
f453ba04
DA		 1318 *
1319 * Construct a CRTC configuration structure to return to the user.
1320 *
1321 * Called by the user via ioctl.
1322 *
1323 * RETURNS:
1324 * Zero on success, errno on failure.
1325 */
1326int drm_mode_getcrtc(struct drm_device *dev,
1327 void *data, struct drm_file *file_priv)
1328{
1329 struct drm_mode_crtc *crtc_resp = data;
1330 struct drm_crtc *crtc;
1331 struct drm_mode_object *obj;
1332 int ret = 0;
1333
fb3b06c8
DA		 1334 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1335 return -EINVAL;
1336
f453ba04
DA		 1337 mutex_lock(&dev->mode_config.mutex);
1338
1339 obj = drm_mode_object_find(dev, crtc_resp->crtc_id,
1340 DRM_MODE_OBJECT_CRTC);
1341 if (!obj) {
1342 ret = -EINVAL;
1343 goto out;
1344 }
1345 crtc = obj_to_crtc(obj);
1346
1347 crtc_resp->x = crtc->x;
1348 crtc_resp->y = crtc->y;
1349 crtc_resp->gamma_size = crtc->gamma_size;
1350 if (crtc->fb)
1351 crtc_resp->fb_id = crtc->fb->base.id;
1352 else
1353 crtc_resp->fb_id = 0;
1354
1355 if (crtc->enabled) {
1356
1357 drm_crtc_convert_to_umode(&crtc_resp->mode, &crtc->mode);
1358 crtc_resp->mode_valid = 1;
1359
1360 } else {
1361 crtc_resp->mode_valid = 0;
1362 }
1363
1364out:
1365 mutex_unlock(&dev->mode_config.mutex);
1366 return ret;
1367}
1368
1369/**
1370 * drm_mode_getconnector - get connector configuration
1371 * @inode: inode from the ioctl
1372 * @filp: file * from the ioctl
1373 * @cmd: cmd from ioctl
1374 * @arg: arg from ioctl
1375 *
1376 * LOCKING:
b20f3867 1377 * Takes mode config lock.
f453ba04
DA		 1378 *
1379 * Construct a connector configuration structure to return to the user.
1380 *
1381 * Called by the user via ioctl.
1382 *
1383 * RETURNS:
1384 * Zero on success, errno on failure.
1385 */
1386int drm_mode_getconnector(struct drm_device *dev, void *data,
1387 struct drm_file *file_priv)
1388{
1389 struct drm_mode_get_connector *out_resp = data;
1390 struct drm_mode_object *obj;
1391 struct drm_connector *connector;
1392 struct drm_display_mode *mode;
1393 int mode_count = 0;
1394 int props_count = 0;
1395 int encoders_count = 0;
1396 int ret = 0;
1397 int copied = 0;
1398 int i;
1399 struct drm_mode_modeinfo u_mode;
1400 struct drm_mode_modeinfo __user *mode_ptr;
1401 uint32_t __user *prop_ptr;
1402 uint64_t __user *prop_values;
1403 uint32_t __user *encoder_ptr;
1404
fb3b06c8
DA		 1405 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1406 return -EINVAL;
1407
f453ba04
DA		 1408 memset(&u_mode, 0, sizeof(struct drm_mode_modeinfo));
1409
9440106b 1410 DRM_DEBUG_KMS("[CONNECTOR:%d:?]\n", out_resp->connector_id);
f453ba04
DA		 1411
1412 mutex_lock(&dev->mode_config.mutex);
1413
1414 obj = drm_mode_object_find(dev, out_resp->connector_id,
1415 DRM_MODE_OBJECT_CONNECTOR);
1416 if (!obj) {
1417 ret = -EINVAL;
1418 goto out;
1419 }
1420 connector = obj_to_connector(obj);
1421
1422 for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
1423 if (connector->property_ids[i] != 0) {
1424 props_count++;
1425 }
1426 }
1427
1428 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1429 if (connector->encoder_ids[i] != 0) {
1430 encoders_count++;
1431 }
1432 }
1433
1434 if (out_resp->count_modes == 0) {
1435 connector->funcs->fill_modes(connector,
1436 dev->mode_config.max_width,
1437 dev->mode_config.max_height);
1438 }
1439
1440 /* delayed so we get modes regardless of pre-fill_modes state */
1441 list_for_each_entry(mode, &connector->modes, head)
1442 mode_count++;
1443
1444 out_resp->connector_id = connector->base.id;
1445 out_resp->connector_type = connector->connector_type;
1446 out_resp->connector_type_id = connector->connector_type_id;
1447 out_resp->mm_width = connector->display_info.width_mm;
1448 out_resp->mm_height = connector->display_info.height_mm;
1449 out_resp->subpixel = connector->display_info.subpixel_order;
1450 out_resp->connection = connector->status;
1451 if (connector->encoder)
1452 out_resp->encoder_id = connector->encoder->base.id;
1453 else
1454 out_resp->encoder_id = 0;
1455
1456 /*
1457 * This ioctl is called twice, once to determine how much space is
1458 * needed, and the 2nd time to fill it.
1459 */
1460 if ((out_resp->count_modes >= mode_count) && mode_count) {
1461 copied = 0;
81f6c7f8 1462 mode_ptr = (struct drm_mode_modeinfo __user *)(unsigned long)out_resp->modes_ptr;
f453ba04
DA		 1463 list_for_each_entry(mode, &connector->modes, head) {
1464 drm_crtc_convert_to_umode(&u_mode, mode);
1465 if (copy_to_user(mode_ptr + copied,
1466 &u_mode, sizeof(u_mode))) {
1467 ret = -EFAULT;
1468 goto out;
1469 }
1470 copied++;
1471 }
1472 }
1473 out_resp->count_modes = mode_count;
1474
1475 if ((out_resp->count_props >= props_count) && props_count) {
1476 copied = 0;
81f6c7f8
VS		 1477 prop_ptr = (uint32_t __user *)(unsigned long)(out_resp->props_ptr);
1478 prop_values = (uint64_t __user *)(unsigned long)(out_resp->prop_values_ptr);
f453ba04
DA		 1479 for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
1480 if (connector->property_ids[i] != 0) {
1481 if (put_user(connector->property_ids[i],
1482 prop_ptr + copied)) {
1483 ret = -EFAULT;
1484 goto out;
1485 }
1486
1487 if (put_user(connector->property_values[i],
1488 prop_values + copied)) {
1489 ret = -EFAULT;
1490 goto out;
1491 }
1492 copied++;
1493 }
1494 }
1495 }
1496 out_resp->count_props = props_count;
1497
1498 if ((out_resp->count_encoders >= encoders_count) && encoders_count) {
1499 copied = 0;
81f6c7f8 1500 encoder_ptr = (uint32_t __user *)(unsigned long)(out_resp->encoders_ptr);
f453ba04
DA		 1501 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1502 if (connector->encoder_ids[i] != 0) {
1503 if (put_user(connector->encoder_ids[i],
1504 encoder_ptr + copied)) {
1505 ret = -EFAULT;
1506 goto out;
1507 }
1508 copied++;
1509 }
1510 }
1511 }
1512 out_resp->count_encoders = encoders_count;
1513
1514out:
1515 mutex_unlock(&dev->mode_config.mutex);
1516 return ret;
1517}
1518
1519int drm_mode_getencoder(struct drm_device *dev, void *data,
1520 struct drm_file *file_priv)
1521{
1522 struct drm_mode_get_encoder *enc_resp = data;
1523 struct drm_mode_object *obj;
1524 struct drm_encoder *encoder;
1525 int ret = 0;
1526
fb3b06c8
DA		 1527 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1528 return -EINVAL;
1529
f453ba04
DA		 1530 mutex_lock(&dev->mode_config.mutex);
1531 obj = drm_mode_object_find(dev, enc_resp->encoder_id,
1532 DRM_MODE_OBJECT_ENCODER);
1533 if (!obj) {
1534 ret = -EINVAL;
1535 goto out;
1536 }
1537 encoder = obj_to_encoder(obj);
1538
1539 if (encoder->crtc)
1540 enc_resp->crtc_id = encoder->crtc->base.id;
1541 else
1542 enc_resp->crtc_id = 0;
1543 enc_resp->encoder_type = encoder->encoder_type;
1544 enc_resp->encoder_id = encoder->base.id;
1545 enc_resp->possible_crtcs = encoder->possible_crtcs;
1546 enc_resp->possible_clones = encoder->possible_clones;
1547
1548out:
1549 mutex_unlock(&dev->mode_config.mutex);
1550 return ret;
1551}
1552
8cf5c917
JB		 1553/**
1554 * drm_mode_getplane_res - get plane info
1555 * @dev: DRM device
1556 * @data: ioctl data
1557 * @file_priv: DRM file info
1558 *
b20f3867
SH		 1559 * LOCKING:
1560 * Takes mode config lock.
1561 *
8cf5c917
JB		 1562 * Return an plane count and set of IDs.
1563 */
1564int drm_mode_getplane_res(struct drm_device *dev, void *data,
1565 struct drm_file *file_priv)
1566{
1567 struct drm_mode_get_plane_res *plane_resp = data;
1568 struct drm_mode_config *config;
1569 struct drm_plane *plane;
1570 uint32_t __user *plane_ptr;
1571 int copied = 0, ret = 0;
1572
1573 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1574 return -EINVAL;
1575
1576 mutex_lock(&dev->mode_config.mutex);
1577 config = &dev->mode_config;
1578
1579 /*
1580 * This ioctl is called twice, once to determine how much space is
1581 * needed, and the 2nd time to fill it.
1582 */
1583 if (config->num_plane &&
1584 (plane_resp->count_planes >= config->num_plane)) {
81f6c7f8 1585 plane_ptr = (uint32_t __user *)(unsigned long)plane_resp->plane_id_ptr;
8cf5c917
JB		 1586
1587 list_for_each_entry(plane, &config->plane_list, head) {
1588 if (put_user(plane->base.id, plane_ptr + copied)) {
1589 ret = -EFAULT;
1590 goto out;
1591 }
1592 copied++;
1593 }
1594 }
1595 plane_resp->count_planes = config->num_plane;
1596
1597out:
1598 mutex_unlock(&dev->mode_config.mutex);
1599 return ret;
1600}
1601
1602/**
1603 * drm_mode_getplane - get plane info
1604 * @dev: DRM device
1605 * @data: ioctl data
1606 * @file_priv: DRM file info
1607 *
b20f3867
SH		 1608 * LOCKING:
1609 * Takes mode config lock.
1610 *
8cf5c917
JB		 1611 * Return plane info, including formats supported, gamma size, any
1612 * current fb, etc.
1613 */
1614int drm_mode_getplane(struct drm_device *dev, void *data,
1615 struct drm_file *file_priv)
1616{
1617 struct drm_mode_get_plane *plane_resp = data;
1618 struct drm_mode_object *obj;
1619 struct drm_plane *plane;
1620 uint32_t __user *format_ptr;
1621 int ret = 0;
1622
1623 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1624 return -EINVAL;
1625
1626 mutex_lock(&dev->mode_config.mutex);
1627 obj = drm_mode_object_find(dev, plane_resp->plane_id,
1628 DRM_MODE_OBJECT_PLANE);
1629 if (!obj) {
1630 ret = -ENOENT;
1631 goto out;
1632 }
1633 plane = obj_to_plane(obj);
1634
1635 if (plane->crtc)
1636 plane_resp->crtc_id = plane->crtc->base.id;
1637 else
1638 plane_resp->crtc_id = 0;
1639
1640 if (plane->fb)
1641 plane_resp->fb_id = plane->fb->base.id;
1642 else
1643 plane_resp->fb_id = 0;
1644
1645 plane_resp->plane_id = plane->base.id;
1646 plane_resp->possible_crtcs = plane->possible_crtcs;
1647 plane_resp->gamma_size = plane->gamma_size;
1648
1649 /*
1650 * This ioctl is called twice, once to determine how much space is
1651 * needed, and the 2nd time to fill it.
1652 */
1653 if (plane->format_count &&
1654 (plane_resp->count_format_types >= plane->format_count)) {
81f6c7f8 1655 format_ptr = (uint32_t __user *)(unsigned long)plane_resp->format_type_ptr;
8cf5c917
JB		 1656 if (copy_to_user(format_ptr,
1657 plane->format_types,
1658 sizeof(uint32_t) * plane->format_count)) {
1659 ret = -EFAULT;
1660 goto out;
1661 }
1662 }
1663 plane_resp->count_format_types = plane->format_count;
1664
1665out:
1666 mutex_unlock(&dev->mode_config.mutex);
1667 return ret;
1668}
1669
1670/**
1671 * drm_mode_setplane - set up or tear down an plane
1672 * @dev: DRM device
1673 * @data: ioctl data*
1674 * @file_prive: DRM file info
1675 *
b20f3867
SH		 1676 * LOCKING:
1677 * Takes mode config lock.
1678 *
8cf5c917
JB		 1679 * Set plane info, including placement, fb, scaling, and other factors.
1680 * Or pass a NULL fb to disable.
1681 */
1682int drm_mode_setplane(struct drm_device *dev, void *data,
1683 struct drm_file *file_priv)
1684{
1685 struct drm_mode_set_plane *plane_req = data;
1686 struct drm_mode_object *obj;
1687 struct drm_plane *plane;
1688 struct drm_crtc *crtc;
1689 struct drm_framebuffer *fb;
1690 int ret = 0;
42ef8789 1691 unsigned int fb_width, fb_height;
62443be6 1692 int i;
8cf5c917
JB		 1693
1694 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1695 return -EINVAL;
1696
1697 mutex_lock(&dev->mode_config.mutex);
1698
1699 /*
1700 * First, find the plane, crtc, and fb objects. If not available,
1701 * we don't bother to call the driver.
1702 */
1703 obj = drm_mode_object_find(dev, plane_req->plane_id,
1704 DRM_MODE_OBJECT_PLANE);
1705 if (!obj) {
1706 DRM_DEBUG_KMS("Unknown plane ID %d\n",
1707 plane_req->plane_id);
1708 ret = -ENOENT;
1709 goto out;
1710 }
1711 plane = obj_to_plane(obj);
1712
1713 /* No fb means shut it down */
1714 if (!plane_req->fb_id) {
1715 plane->funcs->disable_plane(plane);
e5e3b44c
VS		 1716 plane->crtc = NULL;
1717 plane->fb = NULL;
8cf5c917
JB		 1718 goto out;
1719 }
1720
1721 obj = drm_mode_object_find(dev, plane_req->crtc_id,
1722 DRM_MODE_OBJECT_CRTC);
1723 if (!obj) {
1724 DRM_DEBUG_KMS("Unknown crtc ID %d\n",
1725 plane_req->crtc_id);
1726 ret = -ENOENT;
1727 goto out;
1728 }
1729 crtc = obj_to_crtc(obj);
1730
1731 obj = drm_mode_object_find(dev, plane_req->fb_id,
1732 DRM_MODE_OBJECT_FB);
1733 if (!obj) {
1734 DRM_DEBUG_KMS("Unknown framebuffer ID %d\n",
1735 plane_req->fb_id);
1736 ret = -ENOENT;
1737 goto out;
1738 }
1739 fb = obj_to_fb(obj);
1740
62443be6
VS		 1741 /* Check whether this plane supports the fb pixel format. */
1742 for (i = 0; i < plane->format_count; i++)
1743 if (fb->pixel_format == plane->format_types[i])
1744 break;
1745 if (i == plane->format_count) {
1746 DRM_DEBUG_KMS("Invalid pixel format 0x%08x\n", fb->pixel_format);
1747 ret = -EINVAL;
1748 goto out;
1749 }
1750
42ef8789
VS		 1751 fb_width = fb->width << 16;
1752 fb_height = fb->height << 16;
1753
1754 /* Make sure source coordinates are inside the fb. */
1755 if (plane_req->src_w > fb_width ||
1756 plane_req->src_x > fb_width - plane_req->src_w ||
1757 plane_req->src_h > fb_height ||
1758 plane_req->src_y > fb_height - plane_req->src_h) {
1759 DRM_DEBUG_KMS("Invalid source coordinates "
1760 "%u.%06ux%u.%06u+%u.%06u+%u.%06u\n",
1761 plane_req->src_w >> 16,
1762 ((plane_req->src_w & 0xffff) * 15625) >> 10,
1763 plane_req->src_h >> 16,
1764 ((plane_req->src_h & 0xffff) * 15625) >> 10,
1765 plane_req->src_x >> 16,
1766 ((plane_req->src_x & 0xffff) * 15625) >> 10,
1767 plane_req->src_y >> 16,
1768 ((plane_req->src_y & 0xffff) * 15625) >> 10);
1769 ret = -ENOSPC;
1770 goto out;
1771 }
1772
687a0400
VS		 1773 /* Give drivers some help against integer overflows */
1774 if (plane_req->crtc_w > INT_MAX ||
1775 plane_req->crtc_x > INT_MAX - (int32_t) plane_req->crtc_w ||
1776 plane_req->crtc_h > INT_MAX ||
1777 plane_req->crtc_y > INT_MAX - (int32_t) plane_req->crtc_h) {
1778 DRM_DEBUG_KMS("Invalid CRTC coordinates %ux%u+%d+%d\n",
1779 plane_req->crtc_w, plane_req->crtc_h,
1780 plane_req->crtc_x, plane_req->crtc_y);
1781 ret = -ERANGE;
1782 goto out;
1783 }
1784
8cf5c917
JB		 1785 ret = plane->funcs->update_plane(plane, crtc, fb,
1786 plane_req->crtc_x, plane_req->crtc_y,
1787 plane_req->crtc_w, plane_req->crtc_h,
1788 plane_req->src_x, plane_req->src_y,
1789 plane_req->src_w, plane_req->src_h);
1790 if (!ret) {
1791 plane->crtc = crtc;
1792 plane->fb = fb;
1793 }
1794
1795out:
1796 mutex_unlock(&dev->mode_config.mutex);
1797
1798 return ret;
1799}
1800
f453ba04
DA		 1801/**
1802 * drm_mode_setcrtc - set CRTC configuration
1803 * @inode: inode from the ioctl
1804 * @filp: file * from the ioctl
1805 * @cmd: cmd from ioctl
1806 * @arg: arg from ioctl
1807 *
1808 * LOCKING:
b20f3867 1809 * Takes mode config lock.
f453ba04
DA		 1810 *
1811 * Build a new CRTC configuration based on user request.
1812 *
1813 * Called by the user via ioctl.
1814 *
1815 * RETURNS:
1816 * Zero on success, errno on failure.
1817 */
1818int drm_mode_setcrtc(struct drm_device *dev, void *data,
1819 struct drm_file *file_priv)
1820{
1821 struct drm_mode_config *config = &dev->mode_config;
1822 struct drm_mode_crtc *crtc_req = data;
1823 struct drm_mode_object *obj;
1824 struct drm_crtc *crtc, *crtcfb;
1825 struct drm_connector **connector_set = NULL, *connector;
1826 struct drm_framebuffer *fb = NULL;
1827 struct drm_display_mode *mode = NULL;
1828 struct drm_mode_set set;
1829 uint32_t __user *set_connectors_ptr;
1830 int ret = 0;
1831 int i;
1832
fb3b06c8
DA		 1833 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1834 return -EINVAL;
1835
f453ba04
DA		 1836 mutex_lock(&dev->mode_config.mutex);
1837 obj = drm_mode_object_find(dev, crtc_req->crtc_id,
1838 DRM_MODE_OBJECT_CRTC);
1839 if (!obj) {
58367ed6 1840 DRM_DEBUG_KMS("Unknown CRTC ID %d\n", crtc_req->crtc_id);
f453ba04
DA		 1841 ret = -EINVAL;
1842 goto out;
1843 }
1844 crtc = obj_to_crtc(obj);
9440106b 1845 DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id);
f453ba04
DA		 1846
1847 if (crtc_req->mode_valid) {
1848 /* If we have a mode we need a framebuffer. */
1849 /* If we pass -1, set the mode with the currently bound fb */
1850 if (crtc_req->fb_id == -1) {
1851 list_for_each_entry(crtcfb,
1852 &dev->mode_config.crtc_list, head) {
1853 if (crtcfb == crtc) {
58367ed6
ZY		 1854 DRM_DEBUG_KMS("Using current fb for "
1855 "setmode\n");
f453ba04
DA		 1856 fb = crtc->fb;
1857 }
1858 }
1859 } else {
1860 obj = drm_mode_object_find(dev, crtc_req->fb_id,
1861 DRM_MODE_OBJECT_FB);
1862 if (!obj) {
58367ed6
ZY		 1863 DRM_DEBUG_KMS("Unknown FB ID%d\n",
1864 crtc_req->fb_id);
f453ba04
DA		 1865 ret = -EINVAL;
1866 goto out;
1867 }
1868 fb = obj_to_fb(obj);
1869 }
1870
1871 mode = drm_mode_create(dev);
1872 drm_crtc_convert_umode(mode, &crtc_req->mode);
1873 drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V);
1874 }
1875
1876 if (crtc_req->count_connectors == 0 && mode) {
58367ed6 1877 DRM_DEBUG_KMS("Count connectors is 0 but mode set\n");
f453ba04
DA		 1878 ret = -EINVAL;
1879 goto out;
1880 }
1881
7781de74 1882 if (crtc_req->count_connectors > 0 && (!mode || !fb)) {
58367ed6 1883 DRM_DEBUG_KMS("Count connectors is %d but no mode or fb set\n",
f453ba04
DA		 1884 crtc_req->count_connectors);
1885 ret = -EINVAL;
1886 goto out;
1887 }
1888
1889 if (crtc_req->count_connectors > 0) {
1890 u32 out_id;
1891
1892 /* Avoid unbounded kernel memory allocation */
1893 if (crtc_req->count_connectors > config->num_connector) {
1894 ret = -EINVAL;
1895 goto out;
1896 }
1897
1898 connector_set = kmalloc(crtc_req->count_connectors *
1899 sizeof(struct drm_connector *),
1900 GFP_KERNEL);
1901 if (!connector_set) {
1902 ret = -ENOMEM;
1903 goto out;
1904 }
1905
1906 for (i = 0; i < crtc_req->count_connectors; i++) {
81f6c7f8 1907 set_connectors_ptr = (uint32_t __user *)(unsigned long)crtc_req->set_connectors_ptr;
f453ba04
DA		 1908 if (get_user(out_id, &set_connectors_ptr[i])) {
1909 ret = -EFAULT;
1910 goto out;
1911 }
1912
1913 obj = drm_mode_object_find(dev, out_id,
1914 DRM_MODE_OBJECT_CONNECTOR);
1915 if (!obj) {
58367ed6
ZY		 1916 DRM_DEBUG_KMS("Connector id %d unknown\n",
1917 out_id);
f453ba04
DA		 1918 ret = -EINVAL;
1919 goto out;
1920 }
1921 connector = obj_to_connector(obj);
9440106b
JG		 1922 DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
1923 connector->base.id,
1924 drm_get_connector_name(connector));
f453ba04
DA		 1925
1926 connector_set[i] = connector;
1927 }
1928 }
1929
1930 set.crtc = crtc;
1931 set.x = crtc_req->x;
1932 set.y = crtc_req->y;
1933 set.mode = mode;
1934 set.connectors = connector_set;
1935 set.num_connectors = crtc_req->count_connectors;
5ef5f72f 1936 set.fb = fb;
f453ba04
DA		 1937 ret = crtc->funcs->set_config(&set);
1938
1939out:
1940 kfree(connector_set);
1941 mutex_unlock(&dev->mode_config.mutex);
1942 return ret;
1943}
1944
1945int drm_mode_cursor_ioctl(struct drm_device *dev,
1946 void *data, struct drm_file *file_priv)
1947{
1948 struct drm_mode_cursor *req = data;
1949 struct drm_mode_object *obj;
1950 struct drm_crtc *crtc;
1951 int ret = 0;
1952
fb3b06c8
DA		 1953 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1954 return -EINVAL;
1955
acb4b992 1956 if (!req->flags)
f453ba04 1957 return -EINVAL;
f453ba04
DA		 1958
1959 mutex_lock(&dev->mode_config.mutex);
e0c8463a 1960 obj = drm_mode_object_find(dev, req->crtc_id, DRM_MODE_OBJECT_CRTC);
f453ba04 1961 if (!obj) {
58367ed6 1962 DRM_DEBUG_KMS("Unknown CRTC ID %d\n", req->crtc_id);
f453ba04
DA		 1963 ret = -EINVAL;
1964 goto out;
1965 }
1966 crtc = obj_to_crtc(obj);
1967
1968 if (req->flags & DRM_MODE_CURSOR_BO) {
1969 if (!crtc->funcs->cursor_set) {
f453ba04
DA		 1970 ret = -ENXIO;
1971 goto out;
1972 }
1973 /* Turns off the cursor if handle is 0 */
1974 ret = crtc->funcs->cursor_set(crtc, file_priv, req->handle,
1975 req->width, req->height);
1976 }
1977
1978 if (req->flags & DRM_MODE_CURSOR_MOVE) {
1979 if (crtc->funcs->cursor_move) {
1980 ret = crtc->funcs->cursor_move(crtc, req->x, req->y);
1981 } else {
f453ba04
DA		 1982 ret = -EFAULT;
1983 goto out;
1984 }
1985 }
1986out:
1987 mutex_unlock(&dev->mode_config.mutex);
1988 return ret;
1989}
1990
308e5bcb
JB		 1991/* Original addfb only supported RGB formats, so figure out which one */
1992uint32_t drm_mode_legacy_fb_format(uint32_t bpp, uint32_t depth)
1993{
1994 uint32_t fmt;
1995
1996 switch (bpp) {
1997 case 8:
04b3924d 1998 fmt = DRM_FORMAT_RGB332;
308e5bcb
JB		 1999 break;
2000 case 16:
2001 if (depth == 15)
04b3924d 2002 fmt = DRM_FORMAT_XRGB1555;
308e5bcb 2003 else
04b3924d 2004 fmt = DRM_FORMAT_RGB565;
308e5bcb
JB		 2005 break;
2006 case 24:
04b3924d 2007 fmt = DRM_FORMAT_RGB888;
308e5bcb
JB		 2008 break;
2009 case 32:
2010 if (depth == 24)
04b3924d 2011 fmt = DRM_FORMAT_XRGB8888;
308e5bcb 2012 else if (depth == 30)
04b3924d 2013 fmt = DRM_FORMAT_XRGB2101010;
308e5bcb 2014 else
04b3924d 2015 fmt = DRM_FORMAT_ARGB8888;
308e5bcb
JB		 2016 break;
2017 default:
04b3924d
VS		 2018 DRM_ERROR("bad bpp, assuming x8r8g8b8 pixel format\n");
2019 fmt = DRM_FORMAT_XRGB8888;
308e5bcb
JB		 2020 break;
2021 }
2022
2023 return fmt;
2024}
2025EXPORT_SYMBOL(drm_mode_legacy_fb_format);
2026
f453ba04
DA		 2027/**
2028 * drm_mode_addfb - add an FB to the graphics configuration
2029 * @inode: inode from the ioctl
2030 * @filp: file * from the ioctl
2031 * @cmd: cmd from ioctl
2032 * @arg: arg from ioctl
2033 *
2034 * LOCKING:
2035 * Takes mode config lock.
2036 *
2037 * Add a new FB to the specified CRTC, given a user request.
2038 *
2039 * Called by the user via ioctl.
2040 *
2041 * RETURNS:
2042 * Zero on success, errno on failure.
2043 */
2044int drm_mode_addfb(struct drm_device *dev,
2045 void *data, struct drm_file *file_priv)
2046{
308e5bcb
JB		 2047 struct drm_mode_fb_cmd *or = data;
2048 struct drm_mode_fb_cmd2 r = {};
2049 struct drm_mode_config *config = &dev->mode_config;
2050 struct drm_framebuffer *fb;
2051 int ret = 0;
2052
2053 /* Use new struct with format internally */
2054 r.fb_id = or->fb_id;
2055 r.width = or->width;
2056 r.height = or->height;
2057 r.pitches[0] = or->pitch;
2058 r.pixel_format = drm_mode_legacy_fb_format(or->bpp, or->depth);
2059 r.handles[0] = or->handle;
2060
2061 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2062 return -EINVAL;
2063
acb4b992 2064 if ((config->min_width > r.width) || (r.width > config->max_width))
308e5bcb 2065 return -EINVAL;
acb4b992
JB		 2066
2067 if ((config->min_height > r.height) || (r.height > config->max_height))
308e5bcb 2068 return -EINVAL;
308e5bcb
JB		 2069
2070 mutex_lock(&dev->mode_config.mutex);
2071
2072 /* TODO check buffer is sufficiently large */
2073 /* TODO setup destructor callback */
2074
2075 fb = dev->mode_config.funcs->fb_create(dev, file_priv, &r);
2076 if (IS_ERR(fb)) {
2077 DRM_ERROR("could not create framebuffer\n");
2078 ret = PTR_ERR(fb);
2079 goto out;
2080 }
2081
2082 or->fb_id = fb->base.id;
2083 list_add(&fb->filp_head, &file_priv->fbs);
2084 DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id);
2085
2086out:
2087 mutex_unlock(&dev->mode_config.mutex);
2088 return ret;
2089}
2090
935b5977
VS		 2091static int format_check(struct drm_mode_fb_cmd2 *r)
2092{
2093 uint32_t format = r->pixel_format & ~DRM_FORMAT_BIG_ENDIAN;
2094
2095 switch (format) {
2096 case DRM_FORMAT_C8:
2097 case DRM_FORMAT_RGB332:
2098 case DRM_FORMAT_BGR233:
2099 case DRM_FORMAT_XRGB4444:
2100 case DRM_FORMAT_XBGR4444:
2101 case DRM_FORMAT_RGBX4444:
2102 case DRM_FORMAT_BGRX4444:
2103 case DRM_FORMAT_ARGB4444:
2104 case DRM_FORMAT_ABGR4444:
2105 case DRM_FORMAT_RGBA4444:
2106 case DRM_FORMAT_BGRA4444:
2107 case DRM_FORMAT_XRGB1555:
2108 case DRM_FORMAT_XBGR1555:
2109 case DRM_FORMAT_RGBX5551:
2110 case DRM_FORMAT_BGRX5551:
2111 case DRM_FORMAT_ARGB1555:
2112 case DRM_FORMAT_ABGR1555:
2113 case DRM_FORMAT_RGBA5551:
2114 case DRM_FORMAT_BGRA5551:
2115 case DRM_FORMAT_RGB565:
2116 case DRM_FORMAT_BGR565:
2117 case DRM_FORMAT_RGB888:
2118 case DRM_FORMAT_BGR888:
2119 case DRM_FORMAT_XRGB8888:
2120 case DRM_FORMAT_XBGR8888:
2121 case DRM_FORMAT_RGBX8888:
2122 case DRM_FORMAT_BGRX8888:
2123 case DRM_FORMAT_ARGB8888:
2124 case DRM_FORMAT_ABGR8888:
2125 case DRM_FORMAT_RGBA8888:
2126 case DRM_FORMAT_BGRA8888:
2127 case DRM_FORMAT_XRGB2101010:
2128 case DRM_FORMAT_XBGR2101010:
2129 case DRM_FORMAT_RGBX1010102:
2130 case DRM_FORMAT_BGRX1010102:
2131 case DRM_FORMAT_ARGB2101010:
2132 case DRM_FORMAT_ABGR2101010:
2133 case DRM_FORMAT_RGBA1010102:
2134 case DRM_FORMAT_BGRA1010102:
2135 case DRM_FORMAT_YUYV:
2136 case DRM_FORMAT_YVYU:
2137 case DRM_FORMAT_UYVY:
2138 case DRM_FORMAT_VYUY:
2139 case DRM_FORMAT_AYUV:
2140 case DRM_FORMAT_NV12:
2141 case DRM_FORMAT_NV21:
2142 case DRM_FORMAT_NV16:
2143 case DRM_FORMAT_NV61:
2144 case DRM_FORMAT_YUV410:
2145 case DRM_FORMAT_YVU410:
2146 case DRM_FORMAT_YUV411:
2147 case DRM_FORMAT_YVU411:
2148 case DRM_FORMAT_YUV420:
2149 case DRM_FORMAT_YVU420:
2150 case DRM_FORMAT_YUV422:
2151 case DRM_FORMAT_YVU422:
2152 case DRM_FORMAT_YUV444:
2153 case DRM_FORMAT_YVU444:
2154 return 0;
2155 default:
2156 return -EINVAL;
2157 }
2158}
2159
308e5bcb
JB		 2160/**
2161 * drm_mode_addfb2 - add an FB to the graphics configuration
2162 * @inode: inode from the ioctl
2163 * @filp: file * from the ioctl
2164 * @cmd: cmd from ioctl
2165 * @arg: arg from ioctl
2166 *
2167 * LOCKING:
2168 * Takes mode config lock.
2169 *
2170 * Add a new FB to the specified CRTC, given a user request with format.
2171 *
2172 * Called by the user via ioctl.
2173 *
2174 * RETURNS:
2175 * Zero on success, errno on failure.
2176 */
2177int drm_mode_addfb2(struct drm_device *dev,
2178 void *data, struct drm_file *file_priv)
2179{
2180 struct drm_mode_fb_cmd2 *r = data;
f453ba04
DA		 2181 struct drm_mode_config *config = &dev->mode_config;
2182 struct drm_framebuffer *fb;
2183 int ret = 0;
2184
fb3b06c8
DA		 2185 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2186 return -EINVAL;
2187
f453ba04 2188 if ((config->min_width > r->width) || (r->width > config->max_width)) {
8cf5c917
JB		 2189 DRM_ERROR("bad framebuffer width %d, should be >= %d && <= %d\n",
2190 r->width, config->min_width, config->max_width);
f453ba04
DA		 2191 return -EINVAL;
2192 }
2193 if ((config->min_height > r->height) || (r->height > config->max_height)) {
8cf5c917
JB		 2194 DRM_ERROR("bad framebuffer height %d, should be >= %d && <= %d\n",
2195 r->height, config->min_height, config->max_height);
f453ba04
DA		 2196 return -EINVAL;
2197 }
2198
935b5977
VS		 2199 ret = format_check(r);
2200 if (ret) {
2201 DRM_ERROR("bad framebuffer format 0x%08x\n", r->pixel_format);
2202 return ret;
2203 }
2204
f453ba04
DA		 2205 mutex_lock(&dev->mode_config.mutex);
2206
f453ba04 2207 fb = dev->mode_config.funcs->fb_create(dev, file_priv, r);
cce13ff7 2208 if (IS_ERR(fb)) {
f453ba04 2209 DRM_ERROR("could not create framebuffer\n");
cce13ff7 2210 ret = PTR_ERR(fb);
f453ba04
DA		 2211 goto out;
2212 }
2213
e0c8463a 2214 r->fb_id = fb->base.id;
f453ba04 2215 list_add(&fb->filp_head, &file_priv->fbs);
9440106b 2216 DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id);
f453ba04
DA		 2217
2218out:
2219 mutex_unlock(&dev->mode_config.mutex);
2220 return ret;
2221}
2222
2223/**
2224 * drm_mode_rmfb - remove an FB from the configuration
2225 * @inode: inode from the ioctl
2226 * @filp: file * from the ioctl
2227 * @cmd: cmd from ioctl
2228 * @arg: arg from ioctl
2229 *
2230 * LOCKING:
2231 * Takes mode config lock.
2232 *
2233 * Remove the FB specified by the user.
2234 *
2235 * Called by the user via ioctl.
2236 *
2237 * RETURNS:
2238 * Zero on success, errno on failure.
2239 */
2240int drm_mode_rmfb(struct drm_device *dev,
2241 void *data, struct drm_file *file_priv)
2242{
2243 struct drm_mode_object *obj;
2244 struct drm_framebuffer *fb = NULL;
2245 struct drm_framebuffer *fbl = NULL;
2246 uint32_t *id = data;
2247 int ret = 0;
2248 int found = 0;
2249
fb3b06c8
DA		 2250 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2251 return -EINVAL;
2252
f453ba04
DA		 2253 mutex_lock(&dev->mode_config.mutex);
2254 obj = drm_mode_object_find(dev, *id, DRM_MODE_OBJECT_FB);
25985edc 2255 /* TODO check that we really get a framebuffer back. */
f453ba04 2256 if (!obj) {
f453ba04
DA		 2257 ret = -EINVAL;
2258 goto out;
2259 }
2260 fb = obj_to_fb(obj);
2261
2262 list_for_each_entry(fbl, &file_priv->fbs, filp_head)
2263 if (fb == fbl)
2264 found = 1;
2265
2266 if (!found) {
f453ba04
DA		 2267 ret = -EINVAL;
2268 goto out;
2269 }
2270
2271 /* TODO release all crtc connected to the framebuffer */
2272 /* TODO unhock the destructor from the buffer object */
2273
2274 list_del(&fb->filp_head);
2275 fb->funcs->destroy(fb);
2276
2277out:
2278 mutex_unlock(&dev->mode_config.mutex);
2279 return ret;
2280}
2281
2282/**
2283 * drm_mode_getfb - get FB info
2284 * @inode: inode from the ioctl
2285 * @filp: file * from the ioctl
2286 * @cmd: cmd from ioctl
2287 * @arg: arg from ioctl
2288 *
2289 * LOCKING:
b20f3867 2290 * Takes mode config lock.
f453ba04
DA		 2291 *
2292 * Lookup the FB given its ID and return info about it.
2293 *
2294 * Called by the user via ioctl.
2295 *
2296 * RETURNS:
2297 * Zero on success, errno on failure.
2298 */
2299int drm_mode_getfb(struct drm_device *dev,
2300 void *data, struct drm_file *file_priv)
2301{
2302 struct drm_mode_fb_cmd *r = data;
2303 struct drm_mode_object *obj;
2304 struct drm_framebuffer *fb;
2305 int ret = 0;
2306
fb3b06c8
DA		 2307 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2308 return -EINVAL;
2309
f453ba04 2310 mutex_lock(&dev->mode_config.mutex);
e0c8463a 2311 obj = drm_mode_object_find(dev, r->fb_id, DRM_MODE_OBJECT_FB);
f453ba04 2312 if (!obj) {
f453ba04
DA		 2313 ret = -EINVAL;
2314 goto out;
2315 }
2316 fb = obj_to_fb(obj);
2317
2318 r->height = fb->height;
2319 r->width = fb->width;
2320 r->depth = fb->depth;
2321 r->bpp = fb->bits_per_pixel;
01f2c773 2322 r->pitch = fb->pitches[0];
f453ba04
DA		 2323 fb->funcs->create_handle(fb, file_priv, &r->handle);
2324
2325out:
2326 mutex_unlock(&dev->mode_config.mutex);
2327 return ret;
2328}
2329
884840aa
JB		 2330int drm_mode_dirtyfb_ioctl(struct drm_device *dev,
2331 void *data, struct drm_file *file_priv)
2332{
2333 struct drm_clip_rect __user *clips_ptr;
2334 struct drm_clip_rect *clips = NULL;
2335 struct drm_mode_fb_dirty_cmd *r = data;
2336 struct drm_mode_object *obj;
2337 struct drm_framebuffer *fb;
2338 unsigned flags;
2339 int num_clips;
2340 int ret = 0;
2341
fb3b06c8
DA		 2342 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2343 return -EINVAL;
2344
884840aa
JB		 2345 mutex_lock(&dev->mode_config.mutex);
2346 obj = drm_mode_object_find(dev, r->fb_id, DRM_MODE_OBJECT_FB);
2347 if (!obj) {
884840aa
JB		 2348 ret = -EINVAL;
2349 goto out_err1;
2350 }
2351 fb = obj_to_fb(obj);
2352
2353 num_clips = r->num_clips;
81f6c7f8 2354 clips_ptr = (struct drm_clip_rect __user *)(unsigned long)r->clips_ptr;
884840aa
JB		 2355
2356 if (!num_clips != !clips_ptr) {
2357 ret = -EINVAL;
2358 goto out_err1;
2359 }
2360
2361 flags = DRM_MODE_FB_DIRTY_FLAGS & r->flags;
2362
2363 /* If userspace annotates copy, clips must come in pairs */
2364 if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY && (num_clips % 2)) {
2365 ret = -EINVAL;
2366 goto out_err1;
2367 }
2368
2369 if (num_clips && clips_ptr) {
a5cd3351
XW		 2370 if (num_clips < 0 || num_clips > DRM_MODE_FB_DIRTY_MAX_CLIPS) {
2371 ret = -EINVAL;
2372 goto out_err1;
2373 }
884840aa
JB		 2374 clips = kzalloc(num_clips * sizeof(*clips), GFP_KERNEL);
2375 if (!clips) {
2376 ret = -ENOMEM;
2377 goto out_err1;
2378 }
2379
2380 ret = copy_from_user(clips, clips_ptr,
2381 num_clips * sizeof(*clips));
e902a358
DC		 2382 if (ret) {
2383 ret = -EFAULT;
884840aa 2384 goto out_err2;
e902a358 2385 }
884840aa
JB		 2386 }
2387
2388 if (fb->funcs->dirty) {
02b00162
TH		 2389 ret = fb->funcs->dirty(fb, file_priv, flags, r->color,
2390 clips, num_clips);
884840aa
JB		 2391 } else {
2392 ret = -ENOSYS;
2393 goto out_err2;
2394 }
2395
2396out_err2:
2397 kfree(clips);
2398out_err1:
2399 mutex_unlock(&dev->mode_config.mutex);
2400 return ret;
2401}
2402
2403
f453ba04
DA		 2404/**
2405 * drm_fb_release - remove and free the FBs on this file
2406 * @filp: file * from the ioctl
2407 *
2408 * LOCKING:
2409 * Takes mode config lock.
2410 *
2411 * Destroy all the FBs associated with @filp.
2412 *
2413 * Called by the user via ioctl.
2414 *
2415 * RETURNS:
2416 * Zero on success, errno on failure.
2417 */
ea39f835 2418void drm_fb_release(struct drm_file *priv)
f453ba04 2419{
f453ba04
DA		 2420 struct drm_device *dev = priv->minor->dev;
2421 struct drm_framebuffer *fb, *tfb;
2422
2423 mutex_lock(&dev->mode_config.mutex);
2424 list_for_each_entry_safe(fb, tfb, &priv->fbs, filp_head) {
2425 list_del(&fb->filp_head);
2426 fb->funcs->destroy(fb);
2427 }
2428 mutex_unlock(&dev->mode_config.mutex);
2429}
2430
2431/**
2432 * drm_mode_attachmode - add a mode to the user mode list
2433 * @dev: DRM device
2434 * @connector: connector to add the mode to
2435 * @mode: mode to add
2436 *
2437 * Add @mode to @connector's user mode list.
2438 */
2439static int drm_mode_attachmode(struct drm_device *dev,
2440 struct drm_connector *connector,
2441 struct drm_display_mode *mode)
2442{
2443 int ret = 0;
2444
2445 list_add_tail(&mode->head, &connector->user_modes);
2446 return ret;
2447}
2448
2449int drm_mode_attachmode_crtc(struct drm_device *dev, struct drm_crtc *crtc,
2450 struct drm_display_mode *mode)
2451{
2452 struct drm_connector *connector;
2453 int ret = 0;
2454 struct drm_display_mode *dup_mode;
2455 int need_dup = 0;
2456 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
2457 if (!connector->encoder)
2458 break;
2459 if (connector->encoder->crtc == crtc) {
2460 if (need_dup)
2461 dup_mode = drm_mode_duplicate(dev, mode);
2462 else
2463 dup_mode = mode;
2464 ret = drm_mode_attachmode(dev, connector, dup_mode);
2465 if (ret)
2466 return ret;
2467 need_dup = 1;
2468 }
2469 }
2470 return 0;
2471}
2472EXPORT_SYMBOL(drm_mode_attachmode_crtc);
2473
2474static int drm_mode_detachmode(struct drm_device *dev,
2475 struct drm_connector *connector,
2476 struct drm_display_mode *mode)
2477{
2478 int found = 0;
2479 int ret = 0;
2480 struct drm_display_mode *match_mode, *t;
2481
2482 list_for_each_entry_safe(match_mode, t, &connector->user_modes, head) {
2483 if (drm_mode_equal(match_mode, mode)) {
2484 list_del(&match_mode->head);
2485 drm_mode_destroy(dev, match_mode);
2486 found = 1;
2487 break;
2488 }
2489 }
2490
2491 if (!found)
2492 ret = -EINVAL;
2493
2494 return ret;
2495}
2496
2497int drm_mode_detachmode_crtc(struct drm_device *dev, struct drm_display_mode *mode)
2498{
2499 struct drm_connector *connector;
2500
2501 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
2502 drm_mode_detachmode(dev, connector, mode);
2503 }
2504 return 0;
2505}
2506EXPORT_SYMBOL(drm_mode_detachmode_crtc);
2507
2508/**
2509 * drm_fb_attachmode - Attach a user mode to an connector
2510 * @inode: inode from the ioctl
2511 * @filp: file * from the ioctl
2512 * @cmd: cmd from ioctl
2513 * @arg: arg from ioctl
2514 *
2515 * This attaches a user specified mode to an connector.
2516 * Called by the user via ioctl.
2517 *
2518 * RETURNS:
2519 * Zero on success, errno on failure.
2520 */
2521int drm_mode_attachmode_ioctl(struct drm_device *dev,
2522 void *data, struct drm_file *file_priv)
2523{
2524 struct drm_mode_mode_cmd *mode_cmd = data;
2525 struct drm_connector *connector;
2526 struct drm_display_mode *mode;
2527 struct drm_mode_object *obj;
2528 struct drm_mode_modeinfo *umode = &mode_cmd->mode;
2529 int ret = 0;
2530
fb3b06c8
DA		 2531 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2532 return -EINVAL;
2533
f453ba04
DA		 2534 mutex_lock(&dev->mode_config.mutex);
2535
2536 obj = drm_mode_object_find(dev, mode_cmd->connector_id, DRM_MODE_OBJECT_CONNECTOR);
2537 if (!obj) {
2538 ret = -EINVAL;
2539 goto out;
2540 }
2541 connector = obj_to_connector(obj);
2542
2543 mode = drm_mode_create(dev);
2544 if (!mode) {
2545 ret = -ENOMEM;
2546 goto out;
2547 }
2548
2549 drm_crtc_convert_umode(mode, umode);
2550
2551 ret = drm_mode_attachmode(dev, connector, mode);
2552out:
2553 mutex_unlock(&dev->mode_config.mutex);
2554 return ret;
2555}
2556
2557
2558/**
2559 * drm_fb_detachmode - Detach a user specified mode from an connector
2560 * @inode: inode from the ioctl
2561 * @filp: file * from the ioctl
2562 * @cmd: cmd from ioctl
2563 * @arg: arg from ioctl
2564 *
2565 * Called by the user via ioctl.
2566 *
2567 * RETURNS:
2568 * Zero on success, errno on failure.
2569 */
2570int drm_mode_detachmode_ioctl(struct drm_device *dev,
2571 void *data, struct drm_file *file_priv)
2572{
2573 struct drm_mode_object *obj;
2574 struct drm_mode_mode_cmd *mode_cmd = data;
2575 struct drm_connector *connector;
2576 struct drm_display_mode mode;
2577 struct drm_mode_modeinfo *umode = &mode_cmd->mode;
2578 int ret = 0;
2579
fb3b06c8
DA		 2580 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2581 return -EINVAL;
2582
f453ba04
DA		 2583 mutex_lock(&dev->mode_config.mutex);
2584
2585 obj = drm_mode_object_find(dev, mode_cmd->connector_id, DRM_MODE_OBJECT_CONNECTOR);
2586 if (!obj) {
2587 ret = -EINVAL;
2588 goto out;
2589 }
2590 connector = obj_to_connector(obj);
2591
2592 drm_crtc_convert_umode(&mode, umode);
2593 ret = drm_mode_detachmode(dev, connector, &mode);
2594out:
2595 mutex_unlock(&dev->mode_config.mutex);
2596 return ret;
2597}
2598
2599struct drm_property *drm_property_create(struct drm_device *dev, int flags,
2600 const char *name, int num_values)
2601{
2602 struct drm_property *property = NULL;
2603
2604 property = kzalloc(sizeof(struct drm_property), GFP_KERNEL);
2605 if (!property)
2606 return NULL;
2607
2608 if (num_values) {
2609 property->values = kzalloc(sizeof(uint64_t)*num_values, GFP_KERNEL);
2610 if (!property->values)
2611 goto fail;
2612 }
2613
2614 drm_mode_object_get(dev, &property->base, DRM_MODE_OBJECT_PROPERTY);
2615 property->flags = flags;
2616 property->num_values = num_values;
2617 INIT_LIST_HEAD(&property->enum_blob_list);
2618
471dd2ef 2619 if (name) {
f453ba04 2620 strncpy(property->name, name, DRM_PROP_NAME_LEN);
471dd2ef
VL		 2621 property->name[DRM_PROP_NAME_LEN-1] = '\0';
2622 }
f453ba04
DA		 2623
2624 list_add_tail(&property->head, &dev->mode_config.property_list);
2625 return property;
2626fail:
2627 kfree(property);
2628 return NULL;
2629}
2630EXPORT_SYMBOL(drm_property_create);
2631
2632int drm_property_add_enum(struct drm_property *property, int index,
2633 uint64_t value, const char *name)
2634{
2635 struct drm_property_enum *prop_enum;
2636
2637 if (!(property->flags & DRM_MODE_PROP_ENUM))
2638 return -EINVAL;
2639
2640 if (!list_empty(&property->enum_blob_list)) {
2641 list_for_each_entry(prop_enum, &property->enum_blob_list, head) {
2642 if (prop_enum->value == value) {
2643 strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN);
2644 prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0';
2645 return 0;
2646 }
2647 }
2648 }
2649
2650 prop_enum = kzalloc(sizeof(struct drm_property_enum), GFP_KERNEL);
2651 if (!prop_enum)
2652 return -ENOMEM;
2653
2654 strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN);
2655 prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0';
2656 prop_enum->value = value;
2657
2658 property->values[index] = value;
2659 list_add_tail(&prop_enum->head, &property->enum_blob_list);
2660 return 0;
2661}
2662EXPORT_SYMBOL(drm_property_add_enum);
2663
2664void drm_property_destroy(struct drm_device *dev, struct drm_property *property)
2665{
2666 struct drm_property_enum *prop_enum, *pt;
2667
2668 list_for_each_entry_safe(prop_enum, pt, &property->enum_blob_list, head) {
2669 list_del(&prop_enum->head);
2670 kfree(prop_enum);
2671 }
2672
2673 if (property->num_values)
2674 kfree(property->values);
2675 drm_mode_object_put(dev, &property->base);
2676 list_del(&property->head);
2677 kfree(property);
2678}
2679EXPORT_SYMBOL(drm_property_destroy);
2680
2681int drm_connector_attach_property(struct drm_connector *connector,
2682 struct drm_property *property, uint64_t init_val)
2683{
2684 int i;
2685
2686 for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
2687 if (connector->property_ids[i] == 0) {
2688 connector->property_ids[i] = property->base.id;
2689 connector->property_values[i] = init_val;
2690 break;
2691 }
2692 }
2693
2694 if (i == DRM_CONNECTOR_MAX_PROPERTY)
2695 return -EINVAL;
2696 return 0;
2697}
2698EXPORT_SYMBOL(drm_connector_attach_property);
2699
2700int drm_connector_property_set_value(struct drm_connector *connector,
2701 struct drm_property *property, uint64_t value)
2702{
2703 int i;
2704
2705 for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
2706 if (connector->property_ids[i] == property->base.id) {
2707 connector->property_values[i] = value;
2708 break;
2709 }
2710 }
2711
2712 if (i == DRM_CONNECTOR_MAX_PROPERTY)
2713 return -EINVAL;
2714 return 0;
2715}
2716EXPORT_SYMBOL(drm_connector_property_set_value);
2717
2718int drm_connector_property_get_value(struct drm_connector *connector,
2719 struct drm_property *property, uint64_t *val)
2720{
2721 int i;
2722
2723 for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
2724 if (connector->property_ids[i] == property->base.id) {
2725 *val = connector->property_values[i];
2726 break;
2727 }
2728 }
2729
2730 if (i == DRM_CONNECTOR_MAX_PROPERTY)
2731 return -EINVAL;
2732 return 0;
2733}
2734EXPORT_SYMBOL(drm_connector_property_get_value);
2735
2736int drm_mode_getproperty_ioctl(struct drm_device *dev,
2737 void *data, struct drm_file *file_priv)
2738{
2739 struct drm_mode_object *obj;
2740 struct drm_mode_get_property *out_resp = data;
2741 struct drm_property *property;
2742 int enum_count = 0;
2743 int blob_count = 0;
2744 int value_count = 0;
2745 int ret = 0, i;
2746 int copied;
2747 struct drm_property_enum *prop_enum;
2748 struct drm_mode_property_enum __user *enum_ptr;
2749 struct drm_property_blob *prop_blob;
81f6c7f8 2750 uint32_t __user *blob_id_ptr;
f453ba04
DA		 2751 uint64_t __user *values_ptr;
2752 uint32_t __user *blob_length_ptr;
2753
fb3b06c8
DA		 2754 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2755 return -EINVAL;
2756
f453ba04
DA		 2757 mutex_lock(&dev->mode_config.mutex);
2758 obj = drm_mode_object_find(dev, out_resp->prop_id, DRM_MODE_OBJECT_PROPERTY);
2759 if (!obj) {
2760 ret = -EINVAL;
2761 goto done;
2762 }
2763 property = obj_to_property(obj);
2764
2765 if (property->flags & DRM_MODE_PROP_ENUM) {
2766 list_for_each_entry(prop_enum, &property->enum_blob_list, head)
2767 enum_count++;
2768 } else if (property->flags & DRM_MODE_PROP_BLOB) {
2769 list_for_each_entry(prop_blob, &property->enum_blob_list, head)
2770 blob_count++;
2771 }
2772
2773 value_count = property->num_values;
2774
2775 strncpy(out_resp->name, property->name, DRM_PROP_NAME_LEN);
2776 out_resp->name[DRM_PROP_NAME_LEN-1] = 0;
2777 out_resp->flags = property->flags;
2778
2779 if ((out_resp->count_values >= value_count) && value_count) {
81f6c7f8 2780 values_ptr = (uint64_t __user *)(unsigned long)out_resp->values_ptr;
f453ba04
DA		 2781 for (i = 0; i < value_count; i++) {
2782 if (copy_to_user(values_ptr + i, &property->values[i], sizeof(uint64_t))) {
2783 ret = -EFAULT;
2784 goto done;
2785 }
2786 }
2787 }
2788 out_resp->count_values = value_count;
2789
2790 if (property->flags & DRM_MODE_PROP_ENUM) {
2791 if ((out_resp->count_enum_blobs >= enum_count) && enum_count) {
2792 copied = 0;
81f6c7f8 2793 enum_ptr = (struct drm_mode_property_enum __user *)(unsigned long)out_resp->enum_blob_ptr;
f453ba04
DA		 2794 list_for_each_entry(prop_enum, &property->enum_blob_list, head) {
2795
2796 if (copy_to_user(&enum_ptr[copied].value, &prop_enum->value, sizeof(uint64_t))) {
2797 ret = -EFAULT;
2798 goto done;
2799 }
2800
2801 if (copy_to_user(&enum_ptr[copied].name,
2802 &prop_enum->name, DRM_PROP_NAME_LEN)) {
2803 ret = -EFAULT;
2804 goto done;
2805 }
2806 copied++;
2807 }
2808 }
2809 out_resp->count_enum_blobs = enum_count;
2810 }
2811
2812 if (property->flags & DRM_MODE_PROP_BLOB) {
2813 if ((out_resp->count_enum_blobs >= blob_count) && blob_count) {
2814 copied = 0;
81f6c7f8
VS		 2815 blob_id_ptr = (uint32_t __user *)(unsigned long)out_resp->enum_blob_ptr;
2816 blob_length_ptr = (uint32_t __user *)(unsigned long)out_resp->values_ptr;
f453ba04
DA		 2817
2818 list_for_each_entry(prop_blob, &property->enum_blob_list, head) {
2819 if (put_user(prop_blob->base.id, blob_id_ptr + copied)) {
2820 ret = -EFAULT;
2821 goto done;
2822 }
2823
2824 if (put_user(prop_blob->length, blob_length_ptr + copied)) {
2825 ret = -EFAULT;
2826 goto done;
2827 }
2828
2829 copied++;
2830 }
2831 }
2832 out_resp->count_enum_blobs = blob_count;
2833 }
2834done:
2835 mutex_unlock(&dev->mode_config.mutex);
2836 return ret;
2837}
2838
2839static struct drm_property_blob *drm_property_create_blob(struct drm_device *dev, int length,
2840 void *data)
2841{
2842 struct drm_property_blob *blob;
2843
2844 if (!length || !data)
2845 return NULL;
2846
2847 blob = kzalloc(sizeof(struct drm_property_blob)+length, GFP_KERNEL);
2848 if (!blob)
2849 return NULL;
2850
2851 blob->data = (void *)((char *)blob + sizeof(struct drm_property_blob));
2852 blob->length = length;
2853
2854 memcpy(blob->data, data, length);
2855
2856 drm_mode_object_get(dev, &blob->base, DRM_MODE_OBJECT_BLOB);
2857
2858 list_add_tail(&blob->head, &dev->mode_config.property_blob_list);
2859 return blob;
2860}
2861
2862static void drm_property_destroy_blob(struct drm_device *dev,
2863 struct drm_property_blob *blob)
2864{
2865 drm_mode_object_put(dev, &blob->base);
2866 list_del(&blob->head);
2867 kfree(blob);
2868}
2869
2870int drm_mode_getblob_ioctl(struct drm_device *dev,
2871 void *data, struct drm_file *file_priv)
2872{
2873 struct drm_mode_object *obj;
2874 struct drm_mode_get_blob *out_resp = data;
2875 struct drm_property_blob *blob;
2876 int ret = 0;
81f6c7f8 2877 void __user *blob_ptr;
f453ba04 2878
fb3b06c8
DA		 2879 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2880 return -EINVAL;
2881
f453ba04
DA		 2882 mutex_lock(&dev->mode_config.mutex);
2883 obj = drm_mode_object_find(dev, out_resp->blob_id, DRM_MODE_OBJECT_BLOB);
2884 if (!obj) {
2885 ret = -EINVAL;
2886 goto done;
2887 }
2888 blob = obj_to_blob(obj);
2889
2890 if (out_resp->length == blob->length) {
81f6c7f8 2891 blob_ptr = (void __user *)(unsigned long)out_resp->data;
f453ba04
DA		 2892 if (copy_to_user(blob_ptr, blob->data, blob->length)){
2893 ret = -EFAULT;
2894 goto done;
2895 }
2896 }
2897 out_resp->length = blob->length;
2898
2899done:
2900 mutex_unlock(&dev->mode_config.mutex);
2901 return ret;
2902}
2903
2904int drm_mode_connector_update_edid_property(struct drm_connector *connector,
2905 struct edid *edid)
2906{
2907 struct drm_device *dev = connector->dev;
7466f4cc 2908 int ret = 0, size;
f453ba04
DA		 2909
2910 if (connector->edid_blob_ptr)
2911 drm_property_destroy_blob(dev, connector->edid_blob_ptr);
2912
2913 /* Delete edid, when there is none. */
2914 if (!edid) {
2915 connector->edid_blob_ptr = NULL;
2916 ret = drm_connector_property_set_value(connector, dev->mode_config.edid_property, 0);
2917 return ret;
2918 }
2919
7466f4cc
AJ		 2920 size = EDID_LENGTH * (1 + edid->extensions);
2921 connector->edid_blob_ptr = drm_property_create_blob(connector->dev,
2922 size, edid);
f453ba04
DA		 2923
2924 ret = drm_connector_property_set_value(connector,
2925 dev->mode_config.edid_property,
2926 connector->edid_blob_ptr->base.id);
2927
2928 return ret;
2929}
2930EXPORT_SYMBOL(drm_mode_connector_update_edid_property);
2931
2932int drm_mode_connector_property_set_ioctl(struct drm_device *dev,
2933 void *data, struct drm_file *file_priv)
2934{
2935 struct drm_mode_connector_set_property *out_resp = data;
2936 struct drm_mode_object *obj;
2937 struct drm_property *property;
2938 struct drm_connector *connector;
2939 int ret = -EINVAL;
2940 int i;
2941
fb3b06c8
DA		 2942 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2943 return -EINVAL;
2944
f453ba04
DA		 2945 mutex_lock(&dev->mode_config.mutex);
2946
2947 obj = drm_mode_object_find(dev, out_resp->connector_id, DRM_MODE_OBJECT_CONNECTOR);
2948 if (!obj) {
2949 goto out;
2950 }
2951 connector = obj_to_connector(obj);
2952
2953 for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
2954 if (connector->property_ids[i] == out_resp->prop_id)
2955 break;
2956 }
2957
2958 if (i == DRM_CONNECTOR_MAX_PROPERTY) {
2959 goto out;
2960 }
2961
2962 obj = drm_mode_object_find(dev, out_resp->prop_id, DRM_MODE_OBJECT_PROPERTY);
2963 if (!obj) {
2964 goto out;
2965 }
2966 property = obj_to_property(obj);
2967
2968 if (property->flags & DRM_MODE_PROP_IMMUTABLE)
2969 goto out;
2970
2971 if (property->flags & DRM_MODE_PROP_RANGE) {
2972 if (out_resp->value < property->values[0])
2973 goto out;
2974
2975 if (out_resp->value > property->values[1])
2976 goto out;
2977 } else {
2978 int found = 0;
2979 for (i = 0; i < property->num_values; i++) {
2980 if (property->values[i] == out_resp->value) {
2981 found = 1;
2982 break;
2983 }
2984 }
2985 if (!found) {
2986 goto out;
2987 }
2988 }
2989
c9fb15f6
KP		 2990 /* Do DPMS ourselves */
2991 if (property == connector->dev->mode_config.dpms_property) {
2992 if (connector->funcs->dpms)
2993 (*connector->funcs->dpms)(connector, (int) out_resp->value);
2994 ret = 0;
2995 } else if (connector->funcs->set_property)
f453ba04
DA		 2996 ret = connector->funcs->set_property(connector, property, out_resp->value);
2997
af901ca1 2998 /* store the property value if successful */
f453ba04
DA		 2999 if (!ret)
3000 drm_connector_property_set_value(connector, property, out_resp->value);
3001out:
3002 mutex_unlock(&dev->mode_config.mutex);
3003 return ret;
3004}
3005
f453ba04
DA		 3006int drm_mode_connector_attach_encoder(struct drm_connector *connector,
3007 struct drm_encoder *encoder)
3008{
3009 int i;
3010
3011 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
3012 if (connector->encoder_ids[i] == 0) {
3013 connector->encoder_ids[i] = encoder->base.id;
3014 return 0;
3015 }
3016 }
3017 return -ENOMEM;
3018}
3019EXPORT_SYMBOL(drm_mode_connector_attach_encoder);
3020
3021void drm_mode_connector_detach_encoder(struct drm_connector *connector,
3022 struct drm_encoder *encoder)
3023{
3024 int i;
3025 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
3026 if (connector->encoder_ids[i] == encoder->base.id) {
3027 connector->encoder_ids[i] = 0;
3028 if (connector->encoder == encoder)
3029 connector->encoder = NULL;
3030 break;
3031 }
3032 }
3033}
3034EXPORT_SYMBOL(drm_mode_connector_detach_encoder);
3035
4cae5b84 3036int drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc,
f453ba04
DA		 3037 int gamma_size)
3038{
3039 crtc->gamma_size = gamma_size;
3040
3041 crtc->gamma_store = kzalloc(gamma_size * sizeof(uint16_t) * 3, GFP_KERNEL);
3042 if (!crtc->gamma_store) {
3043 crtc->gamma_size = 0;
4cae5b84 3044 return -ENOMEM;
f453ba04
DA		 3045 }
3046
4cae5b84 3047 return 0;
f453ba04
DA		 3048}
3049EXPORT_SYMBOL(drm_mode_crtc_set_gamma_size);
3050
3051int drm_mode_gamma_set_ioctl(struct drm_device *dev,
3052 void *data, struct drm_file *file_priv)
3053{
3054 struct drm_mode_crtc_lut *crtc_lut = data;
3055 struct drm_mode_object *obj;
3056 struct drm_crtc *crtc;
3057 void *r_base, *g_base, *b_base;
3058 int size;
3059 int ret = 0;
3060
fb3b06c8
DA		 3061 if (!drm_core_check_feature(dev, DRIVER_MODESET))
3062 return -EINVAL;
3063
f453ba04
DA		 3064 mutex_lock(&dev->mode_config.mutex);
3065 obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC);
3066 if (!obj) {
3067 ret = -EINVAL;
3068 goto out;
3069 }
3070 crtc = obj_to_crtc(obj);
3071
3072 /* memcpy into gamma store */
3073 if (crtc_lut->gamma_size != crtc->gamma_size) {
3074 ret = -EINVAL;
3075 goto out;
3076 }
3077
3078 size = crtc_lut->gamma_size * (sizeof(uint16_t));
3079 r_base = crtc->gamma_store;
3080 if (copy_from_user(r_base, (void __user *)(unsigned long)crtc_lut->red, size)) {
3081 ret = -EFAULT;
3082 goto out;
3083 }
3084
3085 g_base = r_base + size;
3086 if (copy_from_user(g_base, (void __user *)(unsigned long)crtc_lut->green, size)) {
3087 ret = -EFAULT;
3088 goto out;
3089 }
3090
3091 b_base = g_base + size;
3092 if (copy_from_user(b_base, (void __user *)(unsigned long)crtc_lut->blue, size)) {
3093 ret = -EFAULT;
3094 goto out;
3095 }
3096
7203425a 3097 crtc->funcs->gamma_set(crtc, r_base, g_base, b_base, 0, crtc->gamma_size);
f453ba04
DA		 3098
3099out:
3100 mutex_unlock(&dev->mode_config.mutex);
3101 return ret;
3102
3103}
3104
3105int drm_mode_gamma_get_ioctl(struct drm_device *dev,
3106 void *data, struct drm_file *file_priv)
3107{
3108 struct drm_mode_crtc_lut *crtc_lut = data;
3109 struct drm_mode_object *obj;
3110 struct drm_crtc *crtc;
3111 void *r_base, *g_base, *b_base;
3112 int size;
3113 int ret = 0;
3114
fb3b06c8
DA		 3115 if (!drm_core_check_feature(dev, DRIVER_MODESET))
3116 return -EINVAL;
3117
f453ba04
DA		 3118 mutex_lock(&dev->mode_config.mutex);
3119 obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC);
3120 if (!obj) {
3121 ret = -EINVAL;
3122 goto out;
3123 }
3124 crtc = obj_to_crtc(obj);
3125
3126 /* memcpy into gamma store */
3127 if (crtc_lut->gamma_size != crtc->gamma_size) {
3128 ret = -EINVAL;
3129 goto out;
3130 }
3131
3132 size = crtc_lut->gamma_size * (sizeof(uint16_t));
3133 r_base = crtc->gamma_store;
3134 if (copy_to_user((void __user *)(unsigned long)crtc_lut->red, r_base, size)) {
3135 ret = -EFAULT;
3136 goto out;
3137 }
3138
3139 g_base = r_base + size;
3140 if (copy_to_user((void __user *)(unsigned long)crtc_lut->green, g_base, size)) {
3141 ret = -EFAULT;
3142 goto out;
3143 }
3144
3145 b_base = g_base + size;
3146 if (copy_to_user((void __user *)(unsigned long)crtc_lut->blue, b_base, size)) {
3147 ret = -EFAULT;
3148 goto out;
3149 }
3150out:
3151 mutex_unlock(&dev->mode_config.mutex);
3152 return ret;
3153}
d91d8a3f
KH		 3154
3155int drm_mode_page_flip_ioctl(struct drm_device *dev,
3156 void *data, struct drm_file *file_priv)
3157{
3158 struct drm_mode_crtc_page_flip *page_flip = data;
3159 struct drm_mode_object *obj;
3160 struct drm_crtc *crtc;
3161 struct drm_framebuffer *fb;
3162 struct drm_pending_vblank_event *e = NULL;
3163 unsigned long flags;
3164 int ret = -EINVAL;
3165
3166 if (page_flip->flags & ~DRM_MODE_PAGE_FLIP_FLAGS ||
3167 page_flip->reserved != 0)
3168 return -EINVAL;
3169
3170 mutex_lock(&dev->mode_config.mutex);
3171 obj = drm_mode_object_find(dev, page_flip->crtc_id, DRM_MODE_OBJECT_CRTC);
3172 if (!obj)
3173 goto out;
3174 crtc = obj_to_crtc(obj);
3175
90c1efdd
CW		 3176 if (crtc->fb == NULL) {
3177 /* The framebuffer is currently unbound, presumably
3178 * due to a hotplug event, that userspace has not
3179 * yet discovered.
3180 */
3181 ret = -EBUSY;
3182 goto out;
3183 }
3184
d91d8a3f
KH		 3185 if (crtc->funcs->page_flip == NULL)
3186 goto out;
3187
3188 obj = drm_mode_object_find(dev, page_flip->fb_id, DRM_MODE_OBJECT_FB);
3189 if (!obj)
3190 goto out;
3191 fb = obj_to_fb(obj);
3192
3193 if (page_flip->flags & DRM_MODE_PAGE_FLIP_EVENT) {
3194 ret = -ENOMEM;
3195 spin_lock_irqsave(&dev->event_lock, flags);
3196 if (file_priv->event_space < sizeof e->event) {
3197 spin_unlock_irqrestore(&dev->event_lock, flags);
3198 goto out;
3199 }
3200 file_priv->event_space -= sizeof e->event;
3201 spin_unlock_irqrestore(&dev->event_lock, flags);
3202
3203 e = kzalloc(sizeof *e, GFP_KERNEL);
3204 if (e == NULL) {
3205 spin_lock_irqsave(&dev->event_lock, flags);
3206 file_priv->event_space += sizeof e->event;
3207 spin_unlock_irqrestore(&dev->event_lock, flags);
3208 goto out;
3209 }
3210
7bd4d7be 3211 e->event.base.type = DRM_EVENT_FLIP_COMPLETE;
d91d8a3f
KH		 3212 e->event.base.length = sizeof e->event;
3213 e->event.user_data = page_flip->user_data;
3214 e->base.event = &e->event.base;
3215 e->base.file_priv = file_priv;
3216 e->base.destroy =
3217 (void (*) (struct drm_pending_event *)) kfree;
3218 }
3219
3220 ret = crtc->funcs->page_flip(crtc, fb, e);
3221 if (ret) {
3222 spin_lock_irqsave(&dev->event_lock, flags);
3223 file_priv->event_space += sizeof e->event;
3224 spin_unlock_irqrestore(&dev->event_lock, flags);
3225 kfree(e);
3226 }
3227
3228out:
3229 mutex_unlock(&dev->mode_config.mutex);
3230 return ret;
3231}
eb033556
CW		 3232
3233void drm_mode_config_reset(struct drm_device *dev)
3234{
3235 struct drm_crtc *crtc;
3236 struct drm_encoder *encoder;
3237 struct drm_connector *connector;
3238
3239 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head)
3240 if (crtc->funcs->reset)
3241 crtc->funcs->reset(crtc);
3242
3243 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head)
3244 if (encoder->funcs->reset)
3245 encoder->funcs->reset(encoder);
3246
3247 list_for_each_entry(connector, &dev->mode_config.connector_list, head)
3248 if (connector->funcs->reset)
3249 connector->funcs->reset(connector);
3250}
3251EXPORT_SYMBOL(drm_mode_config_reset);
ff72145b
DA		 3252
3253int drm_mode_create_dumb_ioctl(struct drm_device *dev,
3254 void *data, struct drm_file *file_priv)
3255{
3256 struct drm_mode_create_dumb *args = data;
3257
3258 if (!dev->driver->dumb_create)
3259 return -ENOSYS;
3260 return dev->driver->dumb_create(file_priv, dev, args);
3261}
3262
3263int drm_mode_mmap_dumb_ioctl(struct drm_device *dev,
3264 void *data, struct drm_file *file_priv)
3265{
3266 struct drm_mode_map_dumb *args = data;
3267
3268 /* call driver ioctl to get mmap offset */
3269 if (!dev->driver->dumb_map_offset)
3270 return -ENOSYS;
3271
3272 return dev->driver->dumb_map_offset(file_priv, dev, args->handle, &args->offset);
3273}
3274
3275int drm_mode_destroy_dumb_ioctl(struct drm_device *dev,
3276 void *data, struct drm_file *file_priv)
3277{
3278 struct drm_mode_destroy_dumb *args = data;
3279
3280 if (!dev->driver->dumb_destroy)
3281 return -ENOSYS;
3282
3283 return dev->driver->dumb_destroy(file_priv, dev, args->handle);
3284}
248dbc23
DA		 3285
3286/*
3287 * Just need to support RGB formats here for compat with code that doesn't
3288 * use pixel formats directly yet.
3289 */
3290void drm_fb_get_bpp_depth(uint32_t format, unsigned int *depth,
3291 int *bpp)
3292{
3293 switch (format) {
04b3924d
VS		 3294 case DRM_FORMAT_RGB332:
3295 case DRM_FORMAT_BGR233:
248dbc23
DA		 3296 *depth = 8;
3297 *bpp = 8;
3298 break;
04b3924d
VS		 3299 case DRM_FORMAT_XRGB1555:
3300 case DRM_FORMAT_XBGR1555:
3301 case DRM_FORMAT_RGBX5551:
3302 case DRM_FORMAT_BGRX5551:
3303 case DRM_FORMAT_ARGB1555:
3304 case DRM_FORMAT_ABGR1555:
3305 case DRM_FORMAT_RGBA5551:
3306 case DRM_FORMAT_BGRA5551:
248dbc23
DA		 3307 *depth = 15;
3308 *bpp = 16;
3309 break;
04b3924d
VS		 3310 case DRM_FORMAT_RGB565:
3311 case DRM_FORMAT_BGR565:
248dbc23
DA		 3312 *depth = 16;
3313 *bpp = 16;
3314 break;
04b3924d
VS		 3315 case DRM_FORMAT_RGB888:
3316 case DRM_FORMAT_BGR888:
3317 *depth = 24;
3318 *bpp = 24;
3319 break;
3320 case DRM_FORMAT_XRGB8888:
3321 case DRM_FORMAT_XBGR8888:
3322 case DRM_FORMAT_RGBX8888:
3323 case DRM_FORMAT_BGRX8888:
248dbc23
DA		 3324 *depth = 24;
3325 *bpp = 32;
3326 break;
04b3924d
VS		 3327 case DRM_FORMAT_XRGB2101010:
3328 case DRM_FORMAT_XBGR2101010:
3329 case DRM_FORMAT_RGBX1010102:
3330 case DRM_FORMAT_BGRX1010102:
3331 case DRM_FORMAT_ARGB2101010:
3332 case DRM_FORMAT_ABGR2101010:
3333 case DRM_FORMAT_RGBA1010102:
3334 case DRM_FORMAT_BGRA1010102:
248dbc23
DA		 3335 *depth = 30;
3336 *bpp = 32;
3337 break;
04b3924d
VS		 3338 case DRM_FORMAT_ARGB8888:
3339 case DRM_FORMAT_ABGR8888:
3340 case DRM_FORMAT_RGBA8888:
3341 case DRM_FORMAT_BGRA8888:
248dbc23
DA		 3342 *depth = 32;
3343 *bpp = 32;
3344 break;
3345 default:
3346 DRM_DEBUG_KMS("unsupported pixel format\n");
3347 *depth = 0;
3348 *bpp = 0;
3349 break;
3350 }
3351}
3352EXPORT_SYMBOL(drm_fb_get_bpp_depth);
Linux kernel - Deliverables
This page took 0.35574 seconds and 5 git commands to generate.