projects / deliverable / linux.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
drm: Replace pitch with pitches[] in drm_framebuffer
[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");
351 }
352 }
353
f453ba04
DA		 354 drm_mode_object_put(dev, &fb->base);
355 list_del(&fb->head);
356 dev->mode_config.num_fb--;
357}
358EXPORT_SYMBOL(drm_framebuffer_cleanup);
359
360/**
361 * drm_crtc_init - Initialise a new CRTC object
362 * @dev: DRM device
363 * @crtc: CRTC object to init
364 * @funcs: callbacks for the new CRTC
365 *
366 * LOCKING:
367 * Caller must hold mode config lock.
368 *
369 * Inits a new object created as base part of an driver crtc object.
370 */
371void drm_crtc_init(struct drm_device *dev, struct drm_crtc *crtc,
372 const struct drm_crtc_funcs *funcs)
373{
374 crtc->dev = dev;
375 crtc->funcs = funcs;
376
377 mutex_lock(&dev->mode_config.mutex);
378 drm_mode_object_get(dev, &crtc->base, DRM_MODE_OBJECT_CRTC);
379
380 list_add_tail(&crtc->head, &dev->mode_config.crtc_list);
381 dev->mode_config.num_crtc++;
382 mutex_unlock(&dev->mode_config.mutex);
383}
384EXPORT_SYMBOL(drm_crtc_init);
385
386/**
387 * drm_crtc_cleanup - Cleans up the core crtc usage.
388 * @crtc: CRTC to cleanup
389 *
390 * LOCKING:
391 * Caller must hold mode config lock.
392 *
393 * Cleanup @crtc. Removes from drm modesetting space
394 * does NOT free object, caller does that.
395 */
396void drm_crtc_cleanup(struct drm_crtc *crtc)
397{
398 struct drm_device *dev = crtc->dev;
399
400 if (crtc->gamma_store) {
401 kfree(crtc->gamma_store);
402 crtc->gamma_store = NULL;
403 }
404
405 drm_mode_object_put(dev, &crtc->base);
406 list_del(&crtc->head);
407 dev->mode_config.num_crtc--;
408}
409EXPORT_SYMBOL(drm_crtc_cleanup);
410
411/**
412 * drm_mode_probed_add - add a mode to a connector's probed mode list
413 * @connector: connector the new mode
414 * @mode: mode data
415 *
416 * LOCKING:
417 * Caller must hold mode config lock.
418 *
419 * Add @mode to @connector's mode list for later use.
420 */
421void drm_mode_probed_add(struct drm_connector *connector,
422 struct drm_display_mode *mode)
423{
424 list_add(&mode->head, &connector->probed_modes);
425}
426EXPORT_SYMBOL(drm_mode_probed_add);
427
428/**
429 * drm_mode_remove - remove and free a mode
430 * @connector: connector list to modify
431 * @mode: mode to remove
432 *
433 * LOCKING:
434 * Caller must hold mode config lock.
435 *
436 * Remove @mode from @connector's mode list, then free it.
437 */
438void drm_mode_remove(struct drm_connector *connector,
439 struct drm_display_mode *mode)
440{
441 list_del(&mode->head);
442 kfree(mode);
443}
444EXPORT_SYMBOL(drm_mode_remove);
445
446/**
447 * drm_connector_init - Init a preallocated connector
448 * @dev: DRM device
449 * @connector: the connector to init
450 * @funcs: callbacks for this connector
451 * @name: user visible name of the connector
452 *
453 * LOCKING:
454 * Caller must hold @dev's mode_config lock.
455 *
456 * Initialises a preallocated connector. Connectors should be
457 * subclassed as part of driver connector objects.
458 */
459void drm_connector_init(struct drm_device *dev,
460 struct drm_connector *connector,
461 const struct drm_connector_funcs *funcs,
462 int connector_type)
463{
464 mutex_lock(&dev->mode_config.mutex);
465
466 connector->dev = dev;
467 connector->funcs = funcs;
468 drm_mode_object_get(dev, &connector->base, DRM_MODE_OBJECT_CONNECTOR);
469 connector->connector_type = connector_type;
470 connector->connector_type_id =
471 ++drm_connector_enum_list[connector_type].count; /* TODO */
472 INIT_LIST_HEAD(&connector->user_modes);
473 INIT_LIST_HEAD(&connector->probed_modes);
474 INIT_LIST_HEAD(&connector->modes);
475 connector->edid_blob_ptr = NULL;
476
477 list_add_tail(&connector->head, &dev->mode_config.connector_list);
478 dev->mode_config.num_connector++;
479
a7331e5c
TH		 480 if (connector_type != DRM_MODE_CONNECTOR_VIRTUAL)
481 drm_connector_attach_property(connector,
482 dev->mode_config.edid_property,
483 0);
f453ba04
DA		 484
485 drm_connector_attach_property(connector,
486 dev->mode_config.dpms_property, 0);
487
488 mutex_unlock(&dev->mode_config.mutex);
489}
490EXPORT_SYMBOL(drm_connector_init);
491
492/**
493 * drm_connector_cleanup - cleans up an initialised connector
494 * @connector: connector to cleanup
495 *
496 * LOCKING:
497 * Caller must hold @dev's mode_config lock.
498 *
499 * Cleans up the connector but doesn't free the object.
500 */
501void drm_connector_cleanup(struct drm_connector *connector)
502{
503 struct drm_device *dev = connector->dev;
504 struct drm_display_mode *mode, *t;
505
506 list_for_each_entry_safe(mode, t, &connector->probed_modes, head)
507 drm_mode_remove(connector, mode);
508
509 list_for_each_entry_safe(mode, t, &connector->modes, head)
510 drm_mode_remove(connector, mode);
511
512 list_for_each_entry_safe(mode, t, &connector->user_modes, head)
513 drm_mode_remove(connector, mode);
514
515 mutex_lock(&dev->mode_config.mutex);
516 drm_mode_object_put(dev, &connector->base);
517 list_del(&connector->head);
6380c509 518 dev->mode_config.num_connector--;
f453ba04
DA		 519 mutex_unlock(&dev->mode_config.mutex);
520}
521EXPORT_SYMBOL(drm_connector_cleanup);
522
523void drm_encoder_init(struct drm_device *dev,
524 struct drm_encoder *encoder,
525 const struct drm_encoder_funcs *funcs,
526 int encoder_type)
527{
528 mutex_lock(&dev->mode_config.mutex);
529
530 encoder->dev = dev;
531
532 drm_mode_object_get(dev, &encoder->base, DRM_MODE_OBJECT_ENCODER);
533 encoder->encoder_type = encoder_type;
534 encoder->funcs = funcs;
535
536 list_add_tail(&encoder->head, &dev->mode_config.encoder_list);
537 dev->mode_config.num_encoder++;
538
539 mutex_unlock(&dev->mode_config.mutex);
540}
541EXPORT_SYMBOL(drm_encoder_init);
542
543void drm_encoder_cleanup(struct drm_encoder *encoder)
544{
545 struct drm_device *dev = encoder->dev;
546 mutex_lock(&dev->mode_config.mutex);
547 drm_mode_object_put(dev, &encoder->base);
548 list_del(&encoder->head);
6380c509 549 dev->mode_config.num_encoder--;
f453ba04
DA		 550 mutex_unlock(&dev->mode_config.mutex);
551}
552EXPORT_SYMBOL(drm_encoder_cleanup);
553
8cf5c917
JB		 554int drm_plane_init(struct drm_device *dev, struct drm_plane *plane,
555 unsigned long possible_crtcs,
556 const struct drm_plane_funcs *funcs,
22cd7c62 557 const uint32_t *formats, uint32_t format_count)
8cf5c917
JB		 558{
559 mutex_lock(&dev->mode_config.mutex);
560
561 plane->dev = dev;
562 drm_mode_object_get(dev, &plane->base, DRM_MODE_OBJECT_PLANE);
563 plane->funcs = funcs;
564 plane->format_types = kmalloc(sizeof(uint32_t) * format_count,
565 GFP_KERNEL);
566 if (!plane->format_types) {
567 DRM_DEBUG_KMS("out of memory when allocating plane\n");
568 drm_mode_object_put(dev, &plane->base);
10bf573b 569 mutex_unlock(&dev->mode_config.mutex);
8cf5c917
JB		 570 return -ENOMEM;
571 }
572
308e5bcb 573 memcpy(plane->format_types, formats, format_count * sizeof(uint32_t));
8cf5c917
JB		 574 plane->format_count = format_count;
575 plane->possible_crtcs = possible_crtcs;
576
577 list_add_tail(&plane->head, &dev->mode_config.plane_list);
578 dev->mode_config.num_plane++;
579
580 mutex_unlock(&dev->mode_config.mutex);
581
582 return 0;
583}
584EXPORT_SYMBOL(drm_plane_init);
585
586void drm_plane_cleanup(struct drm_plane *plane)
587{
588 struct drm_device *dev = plane->dev;
589
590 mutex_lock(&dev->mode_config.mutex);
591 kfree(plane->format_types);
592 drm_mode_object_put(dev, &plane->base);
593 list_del(&plane->head);
594 dev->mode_config.num_plane--;
595 mutex_unlock(&dev->mode_config.mutex);
596}
597EXPORT_SYMBOL(drm_plane_cleanup);
598
f453ba04
DA		 599/**
600 * drm_mode_create - create a new display mode
601 * @dev: DRM device
602 *
603 * LOCKING:
604 * Caller must hold DRM mode_config lock.
605 *
606 * Create a new drm_display_mode, give it an ID, and return it.
607 *
608 * RETURNS:
609 * Pointer to new mode on success, NULL on error.
610 */
611struct drm_display_mode *drm_mode_create(struct drm_device *dev)
612{
613 struct drm_display_mode *nmode;
614
615 nmode = kzalloc(sizeof(struct drm_display_mode), GFP_KERNEL);
616 if (!nmode)
617 return NULL;
618
619 drm_mode_object_get(dev, &nmode->base, DRM_MODE_OBJECT_MODE);
620 return nmode;
621}
622EXPORT_SYMBOL(drm_mode_create);
623
624/**
625 * drm_mode_destroy - remove a mode
626 * @dev: DRM device
627 * @mode: mode to remove
628 *
629 * LOCKING:
630 * Caller must hold mode config lock.
631 *
632 * Free @mode's unique identifier, then free it.
633 */
634void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode)
635{
636 drm_mode_object_put(dev, &mode->base);
637
638 kfree(mode);
639}
640EXPORT_SYMBOL(drm_mode_destroy);
641
642static int drm_mode_create_standard_connector_properties(struct drm_device *dev)
643{
644 struct drm_property *edid;
645 struct drm_property *dpms;
646 int i;
647
648 /*
649 * Standard properties (apply to all connectors)
650 */
651 edid = drm_property_create(dev, DRM_MODE_PROP_BLOB |
652 DRM_MODE_PROP_IMMUTABLE,
653 "EDID", 0);
654 dev->mode_config.edid_property = edid;
655
656 dpms = drm_property_create(dev, DRM_MODE_PROP_ENUM,
657 "DPMS", ARRAY_SIZE(drm_dpms_enum_list));
658 for (i = 0; i < ARRAY_SIZE(drm_dpms_enum_list); i++)
659 drm_property_add_enum(dpms, i, drm_dpms_enum_list[i].type,
660 drm_dpms_enum_list[i].name);
661 dev->mode_config.dpms_property = dpms;
662
663 return 0;
664}
665
666/**
667 * drm_mode_create_dvi_i_properties - create DVI-I specific connector properties
668 * @dev: DRM device
669 *
670 * Called by a driver the first time a DVI-I connector is made.
671 */
672int drm_mode_create_dvi_i_properties(struct drm_device *dev)
673{
674 struct drm_property *dvi_i_selector;
675 struct drm_property *dvi_i_subconnector;
676 int i;
677
678 if (dev->mode_config.dvi_i_select_subconnector_property)
679 return 0;
680
681 dvi_i_selector =
682 drm_property_create(dev, DRM_MODE_PROP_ENUM,
683 "select subconnector",
684 ARRAY_SIZE(drm_dvi_i_select_enum_list));
685 for (i = 0; i < ARRAY_SIZE(drm_dvi_i_select_enum_list); i++)
686 drm_property_add_enum(dvi_i_selector, i,
687 drm_dvi_i_select_enum_list[i].type,
688 drm_dvi_i_select_enum_list[i].name);
689 dev->mode_config.dvi_i_select_subconnector_property = dvi_i_selector;
690
691 dvi_i_subconnector =
692 drm_property_create(dev, DRM_MODE_PROP_ENUM |
693 DRM_MODE_PROP_IMMUTABLE,
694 "subconnector",
695 ARRAY_SIZE(drm_dvi_i_subconnector_enum_list));
696 for (i = 0; i < ARRAY_SIZE(drm_dvi_i_subconnector_enum_list); i++)
697 drm_property_add_enum(dvi_i_subconnector, i,
698 drm_dvi_i_subconnector_enum_list[i].type,
699 drm_dvi_i_subconnector_enum_list[i].name);
700 dev->mode_config.dvi_i_subconnector_property = dvi_i_subconnector;
701
702 return 0;
703}
704EXPORT_SYMBOL(drm_mode_create_dvi_i_properties);
705
706/**
707 * drm_create_tv_properties - create TV specific connector properties
708 * @dev: DRM device
709 * @num_modes: number of different TV formats (modes) supported
710 * @modes: array of pointers to strings containing name of each format
711 *
712 * Called by a driver's TV initialization routine, this function creates
713 * the TV specific connector properties for a given device. Caller is
714 * responsible for allocating a list of format names and passing them to
715 * this routine.
716 */
717int drm_mode_create_tv_properties(struct drm_device *dev, int num_modes,
718 char *modes[])
719{
720 struct drm_property *tv_selector;
721 struct drm_property *tv_subconnector;
722 int i;
723
724 if (dev->mode_config.tv_select_subconnector_property)
725 return 0;
726
727 /*
728 * Basic connector properties
729 */
730 tv_selector = drm_property_create(dev, DRM_MODE_PROP_ENUM,
731 "select subconnector",
732 ARRAY_SIZE(drm_tv_select_enum_list));
733 for (i = 0; i < ARRAY_SIZE(drm_tv_select_enum_list); i++)
734 drm_property_add_enum(tv_selector, i,
735 drm_tv_select_enum_list[i].type,
736 drm_tv_select_enum_list[i].name);
737 dev->mode_config.tv_select_subconnector_property = tv_selector;
738
739 tv_subconnector =
740 drm_property_create(dev, DRM_MODE_PROP_ENUM |
741 DRM_MODE_PROP_IMMUTABLE, "subconnector",
742 ARRAY_SIZE(drm_tv_subconnector_enum_list));
743 for (i = 0; i < ARRAY_SIZE(drm_tv_subconnector_enum_list); i++)
744 drm_property_add_enum(tv_subconnector, i,
745 drm_tv_subconnector_enum_list[i].type,
746 drm_tv_subconnector_enum_list[i].name);
747 dev->mode_config.tv_subconnector_property = tv_subconnector;
748
749 /*
750 * Other, TV specific properties: margins & TV modes.
751 */
752 dev->mode_config.tv_left_margin_property =
753 drm_property_create(dev, DRM_MODE_PROP_RANGE,
754 "left margin", 2);
755 dev->mode_config.tv_left_margin_property->values[0] = 0;
756 dev->mode_config.tv_left_margin_property->values[1] = 100;
757
758 dev->mode_config.tv_right_margin_property =
759 drm_property_create(dev, DRM_MODE_PROP_RANGE,
760 "right margin", 2);
761 dev->mode_config.tv_right_margin_property->values[0] = 0;
762 dev->mode_config.tv_right_margin_property->values[1] = 100;
763
764 dev->mode_config.tv_top_margin_property =
765 drm_property_create(dev, DRM_MODE_PROP_RANGE,
766 "top margin", 2);
767 dev->mode_config.tv_top_margin_property->values[0] = 0;
768 dev->mode_config.tv_top_margin_property->values[1] = 100;
769
770 dev->mode_config.tv_bottom_margin_property =
771 drm_property_create(dev, DRM_MODE_PROP_RANGE,
772 "bottom margin", 2);
773 dev->mode_config.tv_bottom_margin_property->values[0] = 0;
774 dev->mode_config.tv_bottom_margin_property->values[1] = 100;
775
776 dev->mode_config.tv_mode_property =
777 drm_property_create(dev, DRM_MODE_PROP_ENUM,
778 "mode", num_modes);
779 for (i = 0; i < num_modes; i++)
780 drm_property_add_enum(dev->mode_config.tv_mode_property, i,
781 i, modes[i]);
782
b6b7902e
FJ		 783 dev->mode_config.tv_brightness_property =
784 drm_property_create(dev, DRM_MODE_PROP_RANGE,
785 "brightness", 2);
786 dev->mode_config.tv_brightness_property->values[0] = 0;
787 dev->mode_config.tv_brightness_property->values[1] = 100;
788
789 dev->mode_config.tv_contrast_property =
790 drm_property_create(dev, DRM_MODE_PROP_RANGE,
791 "contrast", 2);
792 dev->mode_config.tv_contrast_property->values[0] = 0;
793 dev->mode_config.tv_contrast_property->values[1] = 100;
794
795 dev->mode_config.tv_flicker_reduction_property =
796 drm_property_create(dev, DRM_MODE_PROP_RANGE,
797 "flicker reduction", 2);
798 dev->mode_config.tv_flicker_reduction_property->values[0] = 0;
799 dev->mode_config.tv_flicker_reduction_property->values[1] = 100;
800
a75f0236
FJ		 801 dev->mode_config.tv_overscan_property =
802 drm_property_create(dev, DRM_MODE_PROP_RANGE,
803 "overscan", 2);
804 dev->mode_config.tv_overscan_property->values[0] = 0;
805 dev->mode_config.tv_overscan_property->values[1] = 100;
806
807 dev->mode_config.tv_saturation_property =
808 drm_property_create(dev, DRM_MODE_PROP_RANGE,
809 "saturation", 2);
810 dev->mode_config.tv_saturation_property->values[0] = 0;
811 dev->mode_config.tv_saturation_property->values[1] = 100;
812
813 dev->mode_config.tv_hue_property =
814 drm_property_create(dev, DRM_MODE_PROP_RANGE,
815 "hue", 2);
816 dev->mode_config.tv_hue_property->values[0] = 0;
817 dev->mode_config.tv_hue_property->values[1] = 100;
818
f453ba04
DA		 819 return 0;
820}
821EXPORT_SYMBOL(drm_mode_create_tv_properties);
822
823/**
824 * drm_mode_create_scaling_mode_property - create scaling mode property
825 * @dev: DRM device
826 *
827 * Called by a driver the first time it's needed, must be attached to desired
828 * connectors.
829 */
830int drm_mode_create_scaling_mode_property(struct drm_device *dev)
831{
832 struct drm_property *scaling_mode;
833 int i;
834
835 if (dev->mode_config.scaling_mode_property)
836 return 0;
837
838 scaling_mode =
839 drm_property_create(dev, DRM_MODE_PROP_ENUM, "scaling mode",
840 ARRAY_SIZE(drm_scaling_mode_enum_list));
841 for (i = 0; i < ARRAY_SIZE(drm_scaling_mode_enum_list); i++)
842 drm_property_add_enum(scaling_mode, i,
843 drm_scaling_mode_enum_list[i].type,
844 drm_scaling_mode_enum_list[i].name);
845
846 dev->mode_config.scaling_mode_property = scaling_mode;
847
848 return 0;
849}
850EXPORT_SYMBOL(drm_mode_create_scaling_mode_property);
851
852/**
853 * drm_mode_create_dithering_property - create dithering property
854 * @dev: DRM device
855 *
856 * Called by a driver the first time it's needed, must be attached to desired
857 * connectors.
858 */
859int drm_mode_create_dithering_property(struct drm_device *dev)
860{
861 struct drm_property *dithering_mode;
862 int i;
863
864 if (dev->mode_config.dithering_mode_property)
865 return 0;
866
867 dithering_mode =
868 drm_property_create(dev, DRM_MODE_PROP_ENUM, "dithering",
869 ARRAY_SIZE(drm_dithering_mode_enum_list));
870 for (i = 0; i < ARRAY_SIZE(drm_dithering_mode_enum_list); i++)
871 drm_property_add_enum(dithering_mode, i,
872 drm_dithering_mode_enum_list[i].type,
873 drm_dithering_mode_enum_list[i].name);
874 dev->mode_config.dithering_mode_property = dithering_mode;
875
876 return 0;
877}
878EXPORT_SYMBOL(drm_mode_create_dithering_property);
879
884840aa
JB		 880/**
881 * drm_mode_create_dirty_property - create dirty property
882 * @dev: DRM device
883 *
884 * Called by a driver the first time it's needed, must be attached to desired
885 * connectors.
886 */
887int drm_mode_create_dirty_info_property(struct drm_device *dev)
888{
889 struct drm_property *dirty_info;
890 int i;
891
892 if (dev->mode_config.dirty_info_property)
893 return 0;
894
895 dirty_info =
896 drm_property_create(dev, DRM_MODE_PROP_ENUM |
897 DRM_MODE_PROP_IMMUTABLE,
898 "dirty",
899 ARRAY_SIZE(drm_dirty_info_enum_list));
900 for (i = 0; i < ARRAY_SIZE(drm_dirty_info_enum_list); i++)
901 drm_property_add_enum(dirty_info, i,
902 drm_dirty_info_enum_list[i].type,
903 drm_dirty_info_enum_list[i].name);
904 dev->mode_config.dirty_info_property = dirty_info;
905
906 return 0;
907}
908EXPORT_SYMBOL(drm_mode_create_dirty_info_property);
909
f453ba04
DA		 910/**
911 * drm_mode_config_init - initialize DRM mode_configuration structure
912 * @dev: DRM device
913 *
914 * LOCKING:
915 * None, should happen single threaded at init time.
916 *
917 * Initialize @dev's mode_config structure, used for tracking the graphics
918 * configuration of @dev.
919 */
920void drm_mode_config_init(struct drm_device *dev)
921{
922 mutex_init(&dev->mode_config.mutex);
ad2563c2 923 mutex_init(&dev->mode_config.idr_mutex);
f453ba04 924 INIT_LIST_HEAD(&dev->mode_config.fb_list);
f453ba04
DA		 925 INIT_LIST_HEAD(&dev->mode_config.crtc_list);
926 INIT_LIST_HEAD(&dev->mode_config.connector_list);
927 INIT_LIST_HEAD(&dev->mode_config.encoder_list);
928 INIT_LIST_HEAD(&dev->mode_config.property_list);
929 INIT_LIST_HEAD(&dev->mode_config.property_blob_list);
8cf5c917 930 INIT_LIST_HEAD(&dev->mode_config.plane_list);
f453ba04
DA		 931 idr_init(&dev->mode_config.crtc_idr);
932
933 mutex_lock(&dev->mode_config.mutex);
934 drm_mode_create_standard_connector_properties(dev);
935 mutex_unlock(&dev->mode_config.mutex);
936
937 /* Just to be sure */
938 dev->mode_config.num_fb = 0;
939 dev->mode_config.num_connector = 0;
940 dev->mode_config.num_crtc = 0;
941 dev->mode_config.num_encoder = 0;
f453ba04
DA		 942}
943EXPORT_SYMBOL(drm_mode_config_init);
944
945int drm_mode_group_init(struct drm_device *dev, struct drm_mode_group *group)
946{
947 uint32_t total_objects = 0;
948
949 total_objects += dev->mode_config.num_crtc;
950 total_objects += dev->mode_config.num_connector;
951 total_objects += dev->mode_config.num_encoder;
952
f453ba04
DA		 953 group->id_list = kzalloc(total_objects * sizeof(uint32_t), GFP_KERNEL);
954 if (!group->id_list)
955 return -ENOMEM;
956
957 group->num_crtcs = 0;
958 group->num_connectors = 0;
959 group->num_encoders = 0;
960 return 0;
961}
962
963int drm_mode_group_init_legacy_group(struct drm_device *dev,
964 struct drm_mode_group *group)
965{
966 struct drm_crtc *crtc;
967 struct drm_encoder *encoder;
968 struct drm_connector *connector;
969 int ret;
970
971 if ((ret = drm_mode_group_init(dev, group)))
972 return ret;
973
974 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head)
975 group->id_list[group->num_crtcs++] = crtc->base.id;
976
977 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head)
978 group->id_list[group->num_crtcs + group->num_encoders++] =
979 encoder->base.id;
980
981 list_for_each_entry(connector, &dev->mode_config.connector_list, head)
982 group->id_list[group->num_crtcs + group->num_encoders +
983 group->num_connectors++] = connector->base.id;
984
985 return 0;
986}
987
988/**
989 * drm_mode_config_cleanup - free up DRM mode_config info
990 * @dev: DRM device
991 *
992 * LOCKING:
993 * Caller must hold mode config lock.
994 *
995 * Free up all the connectors and CRTCs associated with this DRM device, then
996 * free up the framebuffers and associated buffer objects.
997 *
998 * FIXME: cleanup any dangling user buffer objects too
999 */
1000void drm_mode_config_cleanup(struct drm_device *dev)
1001{
1002 struct drm_connector *connector, *ot;
1003 struct drm_crtc *crtc, *ct;
1004 struct drm_encoder *encoder, *enct;
1005 struct drm_framebuffer *fb, *fbt;
1006 struct drm_property *property, *pt;
8cf5c917 1007 struct drm_plane *plane, *plt;
f453ba04
DA		 1008
1009 list_for_each_entry_safe(encoder, enct, &dev->mode_config.encoder_list,
1010 head) {
1011 encoder->funcs->destroy(encoder);
1012 }
1013
1014 list_for_each_entry_safe(connector, ot,
1015 &dev->mode_config.connector_list, head) {
1016 connector->funcs->destroy(connector);
1017 }
1018
1019 list_for_each_entry_safe(property, pt, &dev->mode_config.property_list,
1020 head) {
1021 drm_property_destroy(dev, property);
1022 }
1023
1024 list_for_each_entry_safe(fb, fbt, &dev->mode_config.fb_list, head) {
1025 fb->funcs->destroy(fb);
1026 }
1027
1028 list_for_each_entry_safe(crtc, ct, &dev->mode_config.crtc_list, head) {
1029 crtc->funcs->destroy(crtc);
1030 }
1031
8cf5c917
JB		 1032 list_for_each_entry_safe(plane, plt, &dev->mode_config.plane_list,
1033 head) {
1034 plane->funcs->destroy(plane);
1035 }
f453ba04
DA		 1036}
1037EXPORT_SYMBOL(drm_mode_config_cleanup);
1038
f453ba04
DA		 1039/**
1040 * drm_crtc_convert_to_umode - convert a drm_display_mode into a modeinfo
1041 * @out: drm_mode_modeinfo struct to return to the user
1042 * @in: drm_display_mode to use
1043 *
1044 * LOCKING:
1045 * None.
1046 *
1047 * Convert a drm_display_mode into a drm_mode_modeinfo structure to return to
1048 * the user.
1049 */
1050void drm_crtc_convert_to_umode(struct drm_mode_modeinfo *out,
1051 struct drm_display_mode *in)
1052{
1053 out->clock = in->clock;
1054 out->hdisplay = in->hdisplay;
1055 out->hsync_start = in->hsync_start;
1056 out->hsync_end = in->hsync_end;
1057 out->htotal = in->htotal;
1058 out->hskew = in->hskew;
1059 out->vdisplay = in->vdisplay;
1060 out->vsync_start = in->vsync_start;
1061 out->vsync_end = in->vsync_end;
1062 out->vtotal = in->vtotal;
1063 out->vscan = in->vscan;
1064 out->vrefresh = in->vrefresh;
1065 out->flags = in->flags;
1066 out->type = in->type;
1067 strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN);
1068 out->name[DRM_DISPLAY_MODE_LEN-1] = 0;
1069}
1070
1071/**
1072 * drm_crtc_convert_to_umode - convert a modeinfo into a drm_display_mode
1073 * @out: drm_display_mode to return to the user
1074 * @in: drm_mode_modeinfo to use
1075 *
1076 * LOCKING:
1077 * None.
1078 *
1079 * Convert a drm_mode_modeinfo into a drm_display_mode structure to return to
1080 * the caller.
1081 */
1082void drm_crtc_convert_umode(struct drm_display_mode *out,
1083 struct drm_mode_modeinfo *in)
1084{
1085 out->clock = in->clock;
1086 out->hdisplay = in->hdisplay;
1087 out->hsync_start = in->hsync_start;
1088 out->hsync_end = in->hsync_end;
1089 out->htotal = in->htotal;
1090 out->hskew = in->hskew;
1091 out->vdisplay = in->vdisplay;
1092 out->vsync_start = in->vsync_start;
1093 out->vsync_end = in->vsync_end;
1094 out->vtotal = in->vtotal;
1095 out->vscan = in->vscan;
1096 out->vrefresh = in->vrefresh;
1097 out->flags = in->flags;
1098 out->type = in->type;
1099 strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN);
1100 out->name[DRM_DISPLAY_MODE_LEN-1] = 0;
1101}
1102
1103/**
1104 * drm_mode_getresources - get graphics configuration
1105 * @inode: inode from the ioctl
1106 * @filp: file * from the ioctl
1107 * @cmd: cmd from ioctl
1108 * @arg: arg from ioctl
1109 *
1110 * LOCKING:
1111 * Takes mode config lock.
1112 *
1113 * Construct a set of configuration description structures and return
1114 * them to the user, including CRTC, connector and framebuffer configuration.
1115 *
1116 * Called by the user via ioctl.
1117 *
1118 * RETURNS:
1119 * Zero on success, errno on failure.
1120 */
1121int drm_mode_getresources(struct drm_device *dev, void *data,
1122 struct drm_file *file_priv)
1123{
1124 struct drm_mode_card_res *card_res = data;
1125 struct list_head *lh;
1126 struct drm_framebuffer *fb;
1127 struct drm_connector *connector;
1128 struct drm_crtc *crtc;
1129 struct drm_encoder *encoder;
1130 int ret = 0;
1131 int connector_count = 0;
1132 int crtc_count = 0;
1133 int fb_count = 0;
1134 int encoder_count = 0;
1135 int copied = 0, i;
1136 uint32_t __user *fb_id;
1137 uint32_t __user *crtc_id;
1138 uint32_t __user *connector_id;
1139 uint32_t __user *encoder_id;
1140 struct drm_mode_group *mode_group;
1141
fb3b06c8
DA		 1142 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1143 return -EINVAL;
1144
f453ba04
DA		 1145 mutex_lock(&dev->mode_config.mutex);
1146
1147 /*
1148 * For the non-control nodes we need to limit the list of resources
1149 * by IDs in the group list for this node
1150 */
1151 list_for_each(lh, &file_priv->fbs)
1152 fb_count++;
1153
1154 mode_group = &file_priv->master->minor->mode_group;
1155 if (file_priv->master->minor->type == DRM_MINOR_CONTROL) {
1156
1157 list_for_each(lh, &dev->mode_config.crtc_list)
1158 crtc_count++;
1159
1160 list_for_each(lh, &dev->mode_config.connector_list)
1161 connector_count++;
1162
1163 list_for_each(lh, &dev->mode_config.encoder_list)
1164 encoder_count++;
1165 } else {
1166
1167 crtc_count = mode_group->num_crtcs;
1168 connector_count = mode_group->num_connectors;
1169 encoder_count = mode_group->num_encoders;
1170 }
1171
1172 card_res->max_height = dev->mode_config.max_height;
1173 card_res->min_height = dev->mode_config.min_height;
1174 card_res->max_width = dev->mode_config.max_width;
1175 card_res->min_width = dev->mode_config.min_width;
1176
1177 /* handle this in 4 parts */
1178 /* FBs */
1179 if (card_res->count_fbs >= fb_count) {
1180 copied = 0;
1181 fb_id = (uint32_t __user *)(unsigned long)card_res->fb_id_ptr;
618c75e4 1182 list_for_each_entry(fb, &file_priv->fbs, filp_head) {
f453ba04
DA		 1183 if (put_user(fb->base.id, fb_id + copied)) {
1184 ret = -EFAULT;
1185 goto out;
1186 }
1187 copied++;
1188 }
1189 }
1190 card_res->count_fbs = fb_count;
1191
1192 /* CRTCs */
1193 if (card_res->count_crtcs >= crtc_count) {
1194 copied = 0;
1195 crtc_id = (uint32_t __user *)(unsigned long)card_res->crtc_id_ptr;
1196 if (file_priv->master->minor->type == DRM_MINOR_CONTROL) {
1197 list_for_each_entry(crtc, &dev->mode_config.crtc_list,
1198 head) {
9440106b 1199 DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id);
f453ba04
DA		 1200 if (put_user(crtc->base.id, crtc_id + copied)) {
1201 ret = -EFAULT;
1202 goto out;
1203 }
1204 copied++;
1205 }
1206 } else {
1207 for (i = 0; i < mode_group->num_crtcs; i++) {
1208 if (put_user(mode_group->id_list[i],
1209 crtc_id + copied)) {
1210 ret = -EFAULT;
1211 goto out;
1212 }
1213 copied++;
1214 }
1215 }
1216 }
1217 card_res->count_crtcs = crtc_count;
1218
1219 /* Encoders */
1220 if (card_res->count_encoders >= encoder_count) {
1221 copied = 0;
1222 encoder_id = (uint32_t __user *)(unsigned long)card_res->encoder_id_ptr;
1223 if (file_priv->master->minor->type == DRM_MINOR_CONTROL) {
1224 list_for_each_entry(encoder,
1225 &dev->mode_config.encoder_list,
1226 head) {
9440106b
JG		 1227 DRM_DEBUG_KMS("[ENCODER:%d:%s]\n", encoder->base.id,
1228 drm_get_encoder_name(encoder));
f453ba04
DA		 1229 if (put_user(encoder->base.id, encoder_id +
1230 copied)) {
1231 ret = -EFAULT;
1232 goto out;
1233 }
1234 copied++;
1235 }
1236 } else {
1237 for (i = mode_group->num_crtcs; i < mode_group->num_crtcs + mode_group->num_encoders; i++) {
1238 if (put_user(mode_group->id_list[i],
1239 encoder_id + copied)) {
1240 ret = -EFAULT;
1241 goto out;
1242 }
1243 copied++;
1244 }
1245
1246 }
1247 }
1248 card_res->count_encoders = encoder_count;
1249
1250 /* Connectors */
1251 if (card_res->count_connectors >= connector_count) {
1252 copied = 0;
1253 connector_id = (uint32_t __user *)(unsigned long)card_res->connector_id_ptr;
1254 if (file_priv->master->minor->type == DRM_MINOR_CONTROL) {
1255 list_for_each_entry(connector,
1256 &dev->mode_config.connector_list,
1257 head) {
9440106b
JG		 1258 DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
1259 connector->base.id,
1260 drm_get_connector_name(connector));
f453ba04
DA		 1261 if (put_user(connector->base.id,
1262 connector_id + copied)) {
1263 ret = -EFAULT;
1264 goto out;
1265 }
1266 copied++;
1267 }
1268 } else {
1269 int start = mode_group->num_crtcs +
1270 mode_group->num_encoders;
1271 for (i = start; i < start + mode_group->num_connectors; i++) {
1272 if (put_user(mode_group->id_list[i],
1273 connector_id + copied)) {
1274 ret = -EFAULT;
1275 goto out;
1276 }
1277 copied++;
1278 }
1279 }
1280 }
1281 card_res->count_connectors = connector_count;
1282
9440106b 1283 DRM_DEBUG_KMS("CRTC[%d] CONNECTORS[%d] ENCODERS[%d]\n", card_res->count_crtcs,
f453ba04
DA		 1284 card_res->count_connectors, card_res->count_encoders);
1285
1286out:
1287 mutex_unlock(&dev->mode_config.mutex);
1288 return ret;
1289}
1290
1291/**
1292 * drm_mode_getcrtc - get CRTC configuration
1293 * @inode: inode from the ioctl
1294 * @filp: file * from the ioctl
1295 * @cmd: cmd from ioctl
1296 * @arg: arg from ioctl
1297 *
1298 * LOCKING:
1299 * Caller? (FIXME)
1300 *
1301 * Construct a CRTC configuration structure to return to the user.
1302 *
1303 * Called by the user via ioctl.
1304 *
1305 * RETURNS:
1306 * Zero on success, errno on failure.
1307 */
1308int drm_mode_getcrtc(struct drm_device *dev,
1309 void *data, struct drm_file *file_priv)
1310{
1311 struct drm_mode_crtc *crtc_resp = data;
1312 struct drm_crtc *crtc;
1313 struct drm_mode_object *obj;
1314 int ret = 0;
1315
fb3b06c8
DA		 1316 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1317 return -EINVAL;
1318
f453ba04
DA		 1319 mutex_lock(&dev->mode_config.mutex);
1320
1321 obj = drm_mode_object_find(dev, crtc_resp->crtc_id,
1322 DRM_MODE_OBJECT_CRTC);
1323 if (!obj) {
1324 ret = -EINVAL;
1325 goto out;
1326 }
1327 crtc = obj_to_crtc(obj);
1328
1329 crtc_resp->x = crtc->x;
1330 crtc_resp->y = crtc->y;
1331 crtc_resp->gamma_size = crtc->gamma_size;
1332 if (crtc->fb)
1333 crtc_resp->fb_id = crtc->fb->base.id;
1334 else
1335 crtc_resp->fb_id = 0;
1336
1337 if (crtc->enabled) {
1338
1339 drm_crtc_convert_to_umode(&crtc_resp->mode, &crtc->mode);
1340 crtc_resp->mode_valid = 1;
1341
1342 } else {
1343 crtc_resp->mode_valid = 0;
1344 }
1345
1346out:
1347 mutex_unlock(&dev->mode_config.mutex);
1348 return ret;
1349}
1350
1351/**
1352 * drm_mode_getconnector - get connector configuration
1353 * @inode: inode from the ioctl
1354 * @filp: file * from the ioctl
1355 * @cmd: cmd from ioctl
1356 * @arg: arg from ioctl
1357 *
1358 * LOCKING:
1359 * Caller? (FIXME)
1360 *
1361 * Construct a connector configuration structure to return to the user.
1362 *
1363 * Called by the user via ioctl.
1364 *
1365 * RETURNS:
1366 * Zero on success, errno on failure.
1367 */
1368int drm_mode_getconnector(struct drm_device *dev, void *data,
1369 struct drm_file *file_priv)
1370{
1371 struct drm_mode_get_connector *out_resp = data;
1372 struct drm_mode_object *obj;
1373 struct drm_connector *connector;
1374 struct drm_display_mode *mode;
1375 int mode_count = 0;
1376 int props_count = 0;
1377 int encoders_count = 0;
1378 int ret = 0;
1379 int copied = 0;
1380 int i;
1381 struct drm_mode_modeinfo u_mode;
1382 struct drm_mode_modeinfo __user *mode_ptr;
1383 uint32_t __user *prop_ptr;
1384 uint64_t __user *prop_values;
1385 uint32_t __user *encoder_ptr;
1386
fb3b06c8
DA		 1387 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1388 return -EINVAL;
1389
f453ba04
DA		 1390 memset(&u_mode, 0, sizeof(struct drm_mode_modeinfo));
1391
9440106b 1392 DRM_DEBUG_KMS("[CONNECTOR:%d:?]\n", out_resp->connector_id);
f453ba04
DA		 1393
1394 mutex_lock(&dev->mode_config.mutex);
1395
1396 obj = drm_mode_object_find(dev, out_resp->connector_id,
1397 DRM_MODE_OBJECT_CONNECTOR);
1398 if (!obj) {
1399 ret = -EINVAL;
1400 goto out;
1401 }
1402 connector = obj_to_connector(obj);
1403
1404 for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
1405 if (connector->property_ids[i] != 0) {
1406 props_count++;
1407 }
1408 }
1409
1410 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1411 if (connector->encoder_ids[i] != 0) {
1412 encoders_count++;
1413 }
1414 }
1415
1416 if (out_resp->count_modes == 0) {
1417 connector->funcs->fill_modes(connector,
1418 dev->mode_config.max_width,
1419 dev->mode_config.max_height);
1420 }
1421
1422 /* delayed so we get modes regardless of pre-fill_modes state */
1423 list_for_each_entry(mode, &connector->modes, head)
1424 mode_count++;
1425
1426 out_resp->connector_id = connector->base.id;
1427 out_resp->connector_type = connector->connector_type;
1428 out_resp->connector_type_id = connector->connector_type_id;
1429 out_resp->mm_width = connector->display_info.width_mm;
1430 out_resp->mm_height = connector->display_info.height_mm;
1431 out_resp->subpixel = connector->display_info.subpixel_order;
1432 out_resp->connection = connector->status;
1433 if (connector->encoder)
1434 out_resp->encoder_id = connector->encoder->base.id;
1435 else
1436 out_resp->encoder_id = 0;
1437
1438 /*
1439 * This ioctl is called twice, once to determine how much space is
1440 * needed, and the 2nd time to fill it.
1441 */
1442 if ((out_resp->count_modes >= mode_count) && mode_count) {
1443 copied = 0;
81f6c7f8 1444 mode_ptr = (struct drm_mode_modeinfo __user *)(unsigned long)out_resp->modes_ptr;
f453ba04
DA		 1445 list_for_each_entry(mode, &connector->modes, head) {
1446 drm_crtc_convert_to_umode(&u_mode, mode);
1447 if (copy_to_user(mode_ptr + copied,
1448 &u_mode, sizeof(u_mode))) {
1449 ret = -EFAULT;
1450 goto out;
1451 }
1452 copied++;
1453 }
1454 }
1455 out_resp->count_modes = mode_count;
1456
1457 if ((out_resp->count_props >= props_count) && props_count) {
1458 copied = 0;
81f6c7f8
VS		 1459 prop_ptr = (uint32_t __user *)(unsigned long)(out_resp->props_ptr);
1460 prop_values = (uint64_t __user *)(unsigned long)(out_resp->prop_values_ptr);
f453ba04
DA		 1461 for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
1462 if (connector->property_ids[i] != 0) {
1463 if (put_user(connector->property_ids[i],
1464 prop_ptr + copied)) {
1465 ret = -EFAULT;
1466 goto out;
1467 }
1468
1469 if (put_user(connector->property_values[i],
1470 prop_values + copied)) {
1471 ret = -EFAULT;
1472 goto out;
1473 }
1474 copied++;
1475 }
1476 }
1477 }
1478 out_resp->count_props = props_count;
1479
1480 if ((out_resp->count_encoders >= encoders_count) && encoders_count) {
1481 copied = 0;
81f6c7f8 1482 encoder_ptr = (uint32_t __user *)(unsigned long)(out_resp->encoders_ptr);
f453ba04
DA		 1483 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1484 if (connector->encoder_ids[i] != 0) {
1485 if (put_user(connector->encoder_ids[i],
1486 encoder_ptr + copied)) {
1487 ret = -EFAULT;
1488 goto out;
1489 }
1490 copied++;
1491 }
1492 }
1493 }
1494 out_resp->count_encoders = encoders_count;
1495
1496out:
1497 mutex_unlock(&dev->mode_config.mutex);
1498 return ret;
1499}
1500
1501int drm_mode_getencoder(struct drm_device *dev, void *data,
1502 struct drm_file *file_priv)
1503{
1504 struct drm_mode_get_encoder *enc_resp = data;
1505 struct drm_mode_object *obj;
1506 struct drm_encoder *encoder;
1507 int ret = 0;
1508
fb3b06c8
DA		 1509 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1510 return -EINVAL;
1511
f453ba04
DA		 1512 mutex_lock(&dev->mode_config.mutex);
1513 obj = drm_mode_object_find(dev, enc_resp->encoder_id,
1514 DRM_MODE_OBJECT_ENCODER);
1515 if (!obj) {
1516 ret = -EINVAL;
1517 goto out;
1518 }
1519 encoder = obj_to_encoder(obj);
1520
1521 if (encoder->crtc)
1522 enc_resp->crtc_id = encoder->crtc->base.id;
1523 else
1524 enc_resp->crtc_id = 0;
1525 enc_resp->encoder_type = encoder->encoder_type;
1526 enc_resp->encoder_id = encoder->base.id;
1527 enc_resp->possible_crtcs = encoder->possible_crtcs;
1528 enc_resp->possible_clones = encoder->possible_clones;
1529
1530out:
1531 mutex_unlock(&dev->mode_config.mutex);
1532 return ret;
1533}
1534
8cf5c917
JB		 1535/**
1536 * drm_mode_getplane_res - get plane info
1537 * @dev: DRM device
1538 * @data: ioctl data
1539 * @file_priv: DRM file info
1540 *
1541 * Return an plane count and set of IDs.
1542 */
1543int drm_mode_getplane_res(struct drm_device *dev, void *data,
1544 struct drm_file *file_priv)
1545{
1546 struct drm_mode_get_plane_res *plane_resp = data;
1547 struct drm_mode_config *config;
1548 struct drm_plane *plane;
1549 uint32_t __user *plane_ptr;
1550 int copied = 0, ret = 0;
1551
1552 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1553 return -EINVAL;
1554
1555 mutex_lock(&dev->mode_config.mutex);
1556 config = &dev->mode_config;
1557
1558 /*
1559 * This ioctl is called twice, once to determine how much space is
1560 * needed, and the 2nd time to fill it.
1561 */
1562 if (config->num_plane &&
1563 (plane_resp->count_planes >= config->num_plane)) {
81f6c7f8 1564 plane_ptr = (uint32_t __user *)(unsigned long)plane_resp->plane_id_ptr;
8cf5c917
JB		 1565
1566 list_for_each_entry(plane, &config->plane_list, head) {
1567 if (put_user(plane->base.id, plane_ptr + copied)) {
1568 ret = -EFAULT;
1569 goto out;
1570 }
1571 copied++;
1572 }
1573 }
1574 plane_resp->count_planes = config->num_plane;
1575
1576out:
1577 mutex_unlock(&dev->mode_config.mutex);
1578 return ret;
1579}
1580
1581/**
1582 * drm_mode_getplane - get plane info
1583 * @dev: DRM device
1584 * @data: ioctl data
1585 * @file_priv: DRM file info
1586 *
1587 * Return plane info, including formats supported, gamma size, any
1588 * current fb, etc.
1589 */
1590int drm_mode_getplane(struct drm_device *dev, void *data,
1591 struct drm_file *file_priv)
1592{
1593 struct drm_mode_get_plane *plane_resp = data;
1594 struct drm_mode_object *obj;
1595 struct drm_plane *plane;
1596 uint32_t __user *format_ptr;
1597 int ret = 0;
1598
1599 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1600 return -EINVAL;
1601
1602 mutex_lock(&dev->mode_config.mutex);
1603 obj = drm_mode_object_find(dev, plane_resp->plane_id,
1604 DRM_MODE_OBJECT_PLANE);
1605 if (!obj) {
1606 ret = -ENOENT;
1607 goto out;
1608 }
1609 plane = obj_to_plane(obj);
1610
1611 if (plane->crtc)
1612 plane_resp->crtc_id = plane->crtc->base.id;
1613 else
1614 plane_resp->crtc_id = 0;
1615
1616 if (plane->fb)
1617 plane_resp->fb_id = plane->fb->base.id;
1618 else
1619 plane_resp->fb_id = 0;
1620
1621 plane_resp->plane_id = plane->base.id;
1622 plane_resp->possible_crtcs = plane->possible_crtcs;
1623 plane_resp->gamma_size = plane->gamma_size;
1624
1625 /*
1626 * This ioctl is called twice, once to determine how much space is
1627 * needed, and the 2nd time to fill it.
1628 */
1629 if (plane->format_count &&
1630 (plane_resp->count_format_types >= plane->format_count)) {
81f6c7f8 1631 format_ptr = (uint32_t __user *)(unsigned long)plane_resp->format_type_ptr;
8cf5c917
JB		 1632 if (copy_to_user(format_ptr,
1633 plane->format_types,
1634 sizeof(uint32_t) * plane->format_count)) {
1635 ret = -EFAULT;
1636 goto out;
1637 }
1638 }
1639 plane_resp->count_format_types = plane->format_count;
1640
1641out:
1642 mutex_unlock(&dev->mode_config.mutex);
1643 return ret;
1644}
1645
1646/**
1647 * drm_mode_setplane - set up or tear down an plane
1648 * @dev: DRM device
1649 * @data: ioctl data*
1650 * @file_prive: DRM file info
1651 *
1652 * Set plane info, including placement, fb, scaling, and other factors.
1653 * Or pass a NULL fb to disable.
1654 */
1655int drm_mode_setplane(struct drm_device *dev, void *data,
1656 struct drm_file *file_priv)
1657{
1658 struct drm_mode_set_plane *plane_req = data;
1659 struct drm_mode_object *obj;
1660 struct drm_plane *plane;
1661 struct drm_crtc *crtc;
1662 struct drm_framebuffer *fb;
1663 int ret = 0;
42ef8789 1664 unsigned int fb_width, fb_height;
62443be6 1665 int i;
8cf5c917
JB		 1666
1667 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1668 return -EINVAL;
1669
1670 mutex_lock(&dev->mode_config.mutex);
1671
1672 /*
1673 * First, find the plane, crtc, and fb objects. If not available,
1674 * we don't bother to call the driver.
1675 */
1676 obj = drm_mode_object_find(dev, plane_req->plane_id,
1677 DRM_MODE_OBJECT_PLANE);
1678 if (!obj) {
1679 DRM_DEBUG_KMS("Unknown plane ID %d\n",
1680 plane_req->plane_id);
1681 ret = -ENOENT;
1682 goto out;
1683 }
1684 plane = obj_to_plane(obj);
1685
1686 /* No fb means shut it down */
1687 if (!plane_req->fb_id) {
1688 plane->funcs->disable_plane(plane);
e5e3b44c
VS		 1689 plane->crtc = NULL;
1690 plane->fb = NULL;
8cf5c917
JB		 1691 goto out;
1692 }
1693
1694 obj = drm_mode_object_find(dev, plane_req->crtc_id,
1695 DRM_MODE_OBJECT_CRTC);
1696 if (!obj) {
1697 DRM_DEBUG_KMS("Unknown crtc ID %d\n",
1698 plane_req->crtc_id);
1699 ret = -ENOENT;
1700 goto out;
1701 }
1702 crtc = obj_to_crtc(obj);
1703
1704 obj = drm_mode_object_find(dev, plane_req->fb_id,
1705 DRM_MODE_OBJECT_FB);
1706 if (!obj) {
1707 DRM_DEBUG_KMS("Unknown framebuffer ID %d\n",
1708 plane_req->fb_id);
1709 ret = -ENOENT;
1710 goto out;
1711 }
1712 fb = obj_to_fb(obj);
1713
62443be6
VS		 1714 /* Check whether this plane supports the fb pixel format. */
1715 for (i = 0; i < plane->format_count; i++)
1716 if (fb->pixel_format == plane->format_types[i])
1717 break;
1718 if (i == plane->format_count) {
1719 DRM_DEBUG_KMS("Invalid pixel format 0x%08x\n", fb->pixel_format);
1720 ret = -EINVAL;
1721 goto out;
1722 }
1723
42ef8789
VS		 1724 fb_width = fb->width << 16;
1725 fb_height = fb->height << 16;
1726
1727 /* Make sure source coordinates are inside the fb. */
1728 if (plane_req->src_w > fb_width ||
1729 plane_req->src_x > fb_width - plane_req->src_w ||
1730 plane_req->src_h > fb_height ||
1731 plane_req->src_y > fb_height - plane_req->src_h) {
1732 DRM_DEBUG_KMS("Invalid source coordinates "
1733 "%u.%06ux%u.%06u+%u.%06u+%u.%06u\n",
1734 plane_req->src_w >> 16,
1735 ((plane_req->src_w & 0xffff) * 15625) >> 10,
1736 plane_req->src_h >> 16,
1737 ((plane_req->src_h & 0xffff) * 15625) >> 10,
1738 plane_req->src_x >> 16,
1739 ((plane_req->src_x & 0xffff) * 15625) >> 10,
1740 plane_req->src_y >> 16,
1741 ((plane_req->src_y & 0xffff) * 15625) >> 10);
1742 ret = -ENOSPC;
1743 goto out;
1744 }
1745
687a0400
VS		 1746 /* Give drivers some help against integer overflows */
1747 if (plane_req->crtc_w > INT_MAX ||
1748 plane_req->crtc_x > INT_MAX - (int32_t) plane_req->crtc_w ||
1749 plane_req->crtc_h > INT_MAX ||
1750 plane_req->crtc_y > INT_MAX - (int32_t) plane_req->crtc_h) {
1751 DRM_DEBUG_KMS("Invalid CRTC coordinates %ux%u+%d+%d\n",
1752 plane_req->crtc_w, plane_req->crtc_h,
1753 plane_req->crtc_x, plane_req->crtc_y);
1754 ret = -ERANGE;
1755 goto out;
1756 }
1757
8cf5c917
JB		 1758 ret = plane->funcs->update_plane(plane, crtc, fb,
1759 plane_req->crtc_x, plane_req->crtc_y,
1760 plane_req->crtc_w, plane_req->crtc_h,
1761 plane_req->src_x, plane_req->src_y,
1762 plane_req->src_w, plane_req->src_h);
1763 if (!ret) {
1764 plane->crtc = crtc;
1765 plane->fb = fb;
1766 }
1767
1768out:
1769 mutex_unlock(&dev->mode_config.mutex);
1770
1771 return ret;
1772}
1773
f453ba04
DA		 1774/**
1775 * drm_mode_setcrtc - set CRTC configuration
1776 * @inode: inode from the ioctl
1777 * @filp: file * from the ioctl
1778 * @cmd: cmd from ioctl
1779 * @arg: arg from ioctl
1780 *
1781 * LOCKING:
1782 * Caller? (FIXME)
1783 *
1784 * Build a new CRTC configuration based on user request.
1785 *
1786 * Called by the user via ioctl.
1787 *
1788 * RETURNS:
1789 * Zero on success, errno on failure.
1790 */
1791int drm_mode_setcrtc(struct drm_device *dev, void *data,
1792 struct drm_file *file_priv)
1793{
1794 struct drm_mode_config *config = &dev->mode_config;
1795 struct drm_mode_crtc *crtc_req = data;
1796 struct drm_mode_object *obj;
1797 struct drm_crtc *crtc, *crtcfb;
1798 struct drm_connector **connector_set = NULL, *connector;
1799 struct drm_framebuffer *fb = NULL;
1800 struct drm_display_mode *mode = NULL;
1801 struct drm_mode_set set;
1802 uint32_t __user *set_connectors_ptr;
1803 int ret = 0;
1804 int i;
1805
fb3b06c8
DA		 1806 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1807 return -EINVAL;
1808
f453ba04
DA		 1809 mutex_lock(&dev->mode_config.mutex);
1810 obj = drm_mode_object_find(dev, crtc_req->crtc_id,
1811 DRM_MODE_OBJECT_CRTC);
1812 if (!obj) {
58367ed6 1813 DRM_DEBUG_KMS("Unknown CRTC ID %d\n", crtc_req->crtc_id);
f453ba04
DA		 1814 ret = -EINVAL;
1815 goto out;
1816 }
1817 crtc = obj_to_crtc(obj);
9440106b 1818 DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id);
f453ba04
DA		 1819
1820 if (crtc_req->mode_valid) {
1821 /* If we have a mode we need a framebuffer. */
1822 /* If we pass -1, set the mode with the currently bound fb */
1823 if (crtc_req->fb_id == -1) {
1824 list_for_each_entry(crtcfb,
1825 &dev->mode_config.crtc_list, head) {
1826 if (crtcfb == crtc) {
58367ed6
ZY		 1827 DRM_DEBUG_KMS("Using current fb for "
1828 "setmode\n");
f453ba04
DA		 1829 fb = crtc->fb;
1830 }
1831 }
1832 } else {
1833 obj = drm_mode_object_find(dev, crtc_req->fb_id,
1834 DRM_MODE_OBJECT_FB);
1835 if (!obj) {
58367ed6
ZY		 1836 DRM_DEBUG_KMS("Unknown FB ID%d\n",
1837 crtc_req->fb_id);
f453ba04
DA		 1838 ret = -EINVAL;
1839 goto out;
1840 }
1841 fb = obj_to_fb(obj);
1842 }
1843
1844 mode = drm_mode_create(dev);
1845 drm_crtc_convert_umode(mode, &crtc_req->mode);
1846 drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V);
1847 }
1848
1849 if (crtc_req->count_connectors == 0 && mode) {
58367ed6 1850 DRM_DEBUG_KMS("Count connectors is 0 but mode set\n");
f453ba04
DA		 1851 ret = -EINVAL;
1852 goto out;
1853 }
1854
7781de74 1855 if (crtc_req->count_connectors > 0 && (!mode || !fb)) {
58367ed6 1856 DRM_DEBUG_KMS("Count connectors is %d but no mode or fb set\n",
f453ba04
DA		 1857 crtc_req->count_connectors);
1858 ret = -EINVAL;
1859 goto out;
1860 }
1861
1862 if (crtc_req->count_connectors > 0) {
1863 u32 out_id;
1864
1865 /* Avoid unbounded kernel memory allocation */
1866 if (crtc_req->count_connectors > config->num_connector) {
1867 ret = -EINVAL;
1868 goto out;
1869 }
1870
1871 connector_set = kmalloc(crtc_req->count_connectors *
1872 sizeof(struct drm_connector *),
1873 GFP_KERNEL);
1874 if (!connector_set) {
1875 ret = -ENOMEM;
1876 goto out;
1877 }
1878
1879 for (i = 0; i < crtc_req->count_connectors; i++) {
81f6c7f8 1880 set_connectors_ptr = (uint32_t __user *)(unsigned long)crtc_req->set_connectors_ptr;
f453ba04
DA		 1881 if (get_user(out_id, &set_connectors_ptr[i])) {
1882 ret = -EFAULT;
1883 goto out;
1884 }
1885
1886 obj = drm_mode_object_find(dev, out_id,
1887 DRM_MODE_OBJECT_CONNECTOR);
1888 if (!obj) {
58367ed6
ZY		 1889 DRM_DEBUG_KMS("Connector id %d unknown\n",
1890 out_id);
f453ba04
DA		 1891 ret = -EINVAL;
1892 goto out;
1893 }
1894 connector = obj_to_connector(obj);
9440106b
JG		 1895 DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
1896 connector->base.id,
1897 drm_get_connector_name(connector));
f453ba04
DA		 1898
1899 connector_set[i] = connector;
1900 }
1901 }
1902
1903 set.crtc = crtc;
1904 set.x = crtc_req->x;
1905 set.y = crtc_req->y;
1906 set.mode = mode;
1907 set.connectors = connector_set;
1908 set.num_connectors = crtc_req->count_connectors;
5ef5f72f 1909 set.fb = fb;
f453ba04
DA		 1910 ret = crtc->funcs->set_config(&set);
1911
1912out:
1913 kfree(connector_set);
1914 mutex_unlock(&dev->mode_config.mutex);
1915 return ret;
1916}
1917
1918int drm_mode_cursor_ioctl(struct drm_device *dev,
1919 void *data, struct drm_file *file_priv)
1920{
1921 struct drm_mode_cursor *req = data;
1922 struct drm_mode_object *obj;
1923 struct drm_crtc *crtc;
1924 int ret = 0;
1925
fb3b06c8
DA		 1926 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1927 return -EINVAL;
1928
acb4b992 1929 if (!req->flags)
f453ba04 1930 return -EINVAL;
f453ba04
DA		 1931
1932 mutex_lock(&dev->mode_config.mutex);
e0c8463a 1933 obj = drm_mode_object_find(dev, req->crtc_id, DRM_MODE_OBJECT_CRTC);
f453ba04 1934 if (!obj) {
58367ed6 1935 DRM_DEBUG_KMS("Unknown CRTC ID %d\n", req->crtc_id);
f453ba04
DA		 1936 ret = -EINVAL;
1937 goto out;
1938 }
1939 crtc = obj_to_crtc(obj);
1940
1941 if (req->flags & DRM_MODE_CURSOR_BO) {
1942 if (!crtc->funcs->cursor_set) {
f453ba04
DA		 1943 ret = -ENXIO;
1944 goto out;
1945 }
1946 /* Turns off the cursor if handle is 0 */
1947 ret = crtc->funcs->cursor_set(crtc, file_priv, req->handle,
1948 req->width, req->height);
1949 }
1950
1951 if (req->flags & DRM_MODE_CURSOR_MOVE) {
1952 if (crtc->funcs->cursor_move) {
1953 ret = crtc->funcs->cursor_move(crtc, req->x, req->y);
1954 } else {
f453ba04
DA		 1955 ret = -EFAULT;
1956 goto out;
1957 }
1958 }
1959out:
1960 mutex_unlock(&dev->mode_config.mutex);
1961 return ret;
1962}
1963
308e5bcb
JB		 1964/* Original addfb only supported RGB formats, so figure out which one */
1965uint32_t drm_mode_legacy_fb_format(uint32_t bpp, uint32_t depth)
1966{
1967 uint32_t fmt;
1968
1969 switch (bpp) {
1970 case 8:
04b3924d 1971 fmt = DRM_FORMAT_RGB332;
308e5bcb
JB		 1972 break;
1973 case 16:
1974 if (depth == 15)
04b3924d 1975 fmt = DRM_FORMAT_XRGB1555;
308e5bcb 1976 else
04b3924d 1977 fmt = DRM_FORMAT_RGB565;
308e5bcb
JB		 1978 break;
1979 case 24:
04b3924d 1980 fmt = DRM_FORMAT_RGB888;
308e5bcb
JB		 1981 break;
1982 case 32:
1983 if (depth == 24)
04b3924d 1984 fmt = DRM_FORMAT_XRGB8888;
308e5bcb 1985 else if (depth == 30)
04b3924d 1986 fmt = DRM_FORMAT_XRGB2101010;
308e5bcb 1987 else
04b3924d 1988 fmt = DRM_FORMAT_ARGB8888;
308e5bcb
JB		 1989 break;
1990 default:
04b3924d
VS		 1991 DRM_ERROR("bad bpp, assuming x8r8g8b8 pixel format\n");
1992 fmt = DRM_FORMAT_XRGB8888;
308e5bcb
JB		 1993 break;
1994 }
1995
1996 return fmt;
1997}
1998EXPORT_SYMBOL(drm_mode_legacy_fb_format);
1999
f453ba04
DA		 2000/**
2001 * drm_mode_addfb - add an FB to the graphics configuration
2002 * @inode: inode from the ioctl
2003 * @filp: file * from the ioctl
2004 * @cmd: cmd from ioctl
2005 * @arg: arg from ioctl
2006 *
2007 * LOCKING:
2008 * Takes mode config lock.
2009 *
2010 * Add a new FB to the specified CRTC, given a user request.
2011 *
2012 * Called by the user via ioctl.
2013 *
2014 * RETURNS:
2015 * Zero on success, errno on failure.
2016 */
2017int drm_mode_addfb(struct drm_device *dev,
2018 void *data, struct drm_file *file_priv)
2019{
308e5bcb
JB		 2020 struct drm_mode_fb_cmd *or = data;
2021 struct drm_mode_fb_cmd2 r = {};
2022 struct drm_mode_config *config = &dev->mode_config;
2023 struct drm_framebuffer *fb;
2024 int ret = 0;
2025
2026 /* Use new struct with format internally */
2027 r.fb_id = or->fb_id;
2028 r.width = or->width;
2029 r.height = or->height;
2030 r.pitches[0] = or->pitch;
2031 r.pixel_format = drm_mode_legacy_fb_format(or->bpp, or->depth);
2032 r.handles[0] = or->handle;
2033
2034 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2035 return -EINVAL;
2036
acb4b992 2037 if ((config->min_width > r.width) || (r.width > config->max_width))
308e5bcb 2038 return -EINVAL;
acb4b992
JB		 2039
2040 if ((config->min_height > r.height) || (r.height > config->max_height))
308e5bcb 2041 return -EINVAL;
308e5bcb
JB		 2042
2043 mutex_lock(&dev->mode_config.mutex);
2044
2045 /* TODO check buffer is sufficiently large */
2046 /* TODO setup destructor callback */
2047
2048 fb = dev->mode_config.funcs->fb_create(dev, file_priv, &r);
2049 if (IS_ERR(fb)) {
2050 DRM_ERROR("could not create framebuffer\n");
2051 ret = PTR_ERR(fb);
2052 goto out;
2053 }
2054
2055 or->fb_id = fb->base.id;
2056 list_add(&fb->filp_head, &file_priv->fbs);
2057 DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id);
2058
2059out:
2060 mutex_unlock(&dev->mode_config.mutex);
2061 return ret;
2062}
2063
935b5977
VS		 2064static int format_check(struct drm_mode_fb_cmd2 *r)
2065{
2066 uint32_t format = r->pixel_format & ~DRM_FORMAT_BIG_ENDIAN;
2067
2068 switch (format) {
2069 case DRM_FORMAT_C8:
2070 case DRM_FORMAT_RGB332:
2071 case DRM_FORMAT_BGR233:
2072 case DRM_FORMAT_XRGB4444:
2073 case DRM_FORMAT_XBGR4444:
2074 case DRM_FORMAT_RGBX4444:
2075 case DRM_FORMAT_BGRX4444:
2076 case DRM_FORMAT_ARGB4444:
2077 case DRM_FORMAT_ABGR4444:
2078 case DRM_FORMAT_RGBA4444:
2079 case DRM_FORMAT_BGRA4444:
2080 case DRM_FORMAT_XRGB1555:
2081 case DRM_FORMAT_XBGR1555:
2082 case DRM_FORMAT_RGBX5551:
2083 case DRM_FORMAT_BGRX5551:
2084 case DRM_FORMAT_ARGB1555:
2085 case DRM_FORMAT_ABGR1555:
2086 case DRM_FORMAT_RGBA5551:
2087 case DRM_FORMAT_BGRA5551:
2088 case DRM_FORMAT_RGB565:
2089 case DRM_FORMAT_BGR565:
2090 case DRM_FORMAT_RGB888:
2091 case DRM_FORMAT_BGR888:
2092 case DRM_FORMAT_XRGB8888:
2093 case DRM_FORMAT_XBGR8888:
2094 case DRM_FORMAT_RGBX8888:
2095 case DRM_FORMAT_BGRX8888:
2096 case DRM_FORMAT_ARGB8888:
2097 case DRM_FORMAT_ABGR8888:
2098 case DRM_FORMAT_RGBA8888:
2099 case DRM_FORMAT_BGRA8888:
2100 case DRM_FORMAT_XRGB2101010:
2101 case DRM_FORMAT_XBGR2101010:
2102 case DRM_FORMAT_RGBX1010102:
2103 case DRM_FORMAT_BGRX1010102:
2104 case DRM_FORMAT_ARGB2101010:
2105 case DRM_FORMAT_ABGR2101010:
2106 case DRM_FORMAT_RGBA1010102:
2107 case DRM_FORMAT_BGRA1010102:
2108 case DRM_FORMAT_YUYV:
2109 case DRM_FORMAT_YVYU:
2110 case DRM_FORMAT_UYVY:
2111 case DRM_FORMAT_VYUY:
2112 case DRM_FORMAT_AYUV:
2113 case DRM_FORMAT_NV12:
2114 case DRM_FORMAT_NV21:
2115 case DRM_FORMAT_NV16:
2116 case DRM_FORMAT_NV61:
2117 case DRM_FORMAT_YUV410:
2118 case DRM_FORMAT_YVU410:
2119 case DRM_FORMAT_YUV411:
2120 case DRM_FORMAT_YVU411:
2121 case DRM_FORMAT_YUV420:
2122 case DRM_FORMAT_YVU420:
2123 case DRM_FORMAT_YUV422:
2124 case DRM_FORMAT_YVU422:
2125 case DRM_FORMAT_YUV444:
2126 case DRM_FORMAT_YVU444:
2127 return 0;
2128 default:
2129 return -EINVAL;
2130 }
2131}
2132
308e5bcb
JB		 2133/**
2134 * drm_mode_addfb2 - add an FB to the graphics configuration
2135 * @inode: inode from the ioctl
2136 * @filp: file * from the ioctl
2137 * @cmd: cmd from ioctl
2138 * @arg: arg from ioctl
2139 *
2140 * LOCKING:
2141 * Takes mode config lock.
2142 *
2143 * Add a new FB to the specified CRTC, given a user request with format.
2144 *
2145 * Called by the user via ioctl.
2146 *
2147 * RETURNS:
2148 * Zero on success, errno on failure.
2149 */
2150int drm_mode_addfb2(struct drm_device *dev,
2151 void *data, struct drm_file *file_priv)
2152{
2153 struct drm_mode_fb_cmd2 *r = data;
f453ba04
DA		 2154 struct drm_mode_config *config = &dev->mode_config;
2155 struct drm_framebuffer *fb;
2156 int ret = 0;
2157
fb3b06c8
DA		 2158 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2159 return -EINVAL;
2160
f453ba04 2161 if ((config->min_width > r->width) || (r->width > config->max_width)) {
8cf5c917
JB		 2162 DRM_ERROR("bad framebuffer width %d, should be >= %d && <= %d\n",
2163 r->width, config->min_width, config->max_width);
f453ba04
DA		 2164 return -EINVAL;
2165 }
2166 if ((config->min_height > r->height) || (r->height > config->max_height)) {
8cf5c917
JB		 2167 DRM_ERROR("bad framebuffer height %d, should be >= %d && <= %d\n",
2168 r->height, config->min_height, config->max_height);
f453ba04
DA		 2169 return -EINVAL;
2170 }
2171
935b5977
VS		 2172 ret = format_check(r);
2173 if (ret) {
2174 DRM_ERROR("bad framebuffer format 0x%08x\n", r->pixel_format);
2175 return ret;
2176 }
2177
f453ba04
DA		 2178 mutex_lock(&dev->mode_config.mutex);
2179
f453ba04 2180 fb = dev->mode_config.funcs->fb_create(dev, file_priv, r);
cce13ff7 2181 if (IS_ERR(fb)) {
f453ba04 2182 DRM_ERROR("could not create framebuffer\n");
cce13ff7 2183 ret = PTR_ERR(fb);
f453ba04
DA		 2184 goto out;
2185 }
2186
e0c8463a 2187 r->fb_id = fb->base.id;
f453ba04 2188 list_add(&fb->filp_head, &file_priv->fbs);
9440106b 2189 DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id);
f453ba04
DA		 2190
2191out:
2192 mutex_unlock(&dev->mode_config.mutex);
2193 return ret;
2194}
2195
2196/**
2197 * drm_mode_rmfb - remove an FB from the configuration
2198 * @inode: inode from the ioctl
2199 * @filp: file * from the ioctl
2200 * @cmd: cmd from ioctl
2201 * @arg: arg from ioctl
2202 *
2203 * LOCKING:
2204 * Takes mode config lock.
2205 *
2206 * Remove the FB specified by the user.
2207 *
2208 * Called by the user via ioctl.
2209 *
2210 * RETURNS:
2211 * Zero on success, errno on failure.
2212 */
2213int drm_mode_rmfb(struct drm_device *dev,
2214 void *data, struct drm_file *file_priv)
2215{
2216 struct drm_mode_object *obj;
2217 struct drm_framebuffer *fb = NULL;
2218 struct drm_framebuffer *fbl = NULL;
2219 uint32_t *id = data;
2220 int ret = 0;
2221 int found = 0;
2222
fb3b06c8
DA		 2223 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2224 return -EINVAL;
2225
f453ba04
DA		 2226 mutex_lock(&dev->mode_config.mutex);
2227 obj = drm_mode_object_find(dev, *id, DRM_MODE_OBJECT_FB);
25985edc 2228 /* TODO check that we really get a framebuffer back. */
f453ba04 2229 if (!obj) {
f453ba04
DA		 2230 ret = -EINVAL;
2231 goto out;
2232 }
2233 fb = obj_to_fb(obj);
2234
2235 list_for_each_entry(fbl, &file_priv->fbs, filp_head)
2236 if (fb == fbl)
2237 found = 1;
2238
2239 if (!found) {
f453ba04
DA		 2240 ret = -EINVAL;
2241 goto out;
2242 }
2243
2244 /* TODO release all crtc connected to the framebuffer */
2245 /* TODO unhock the destructor from the buffer object */
2246
2247 list_del(&fb->filp_head);
2248 fb->funcs->destroy(fb);
2249
2250out:
2251 mutex_unlock(&dev->mode_config.mutex);
2252 return ret;
2253}
2254
2255/**
2256 * drm_mode_getfb - get FB info
2257 * @inode: inode from the ioctl
2258 * @filp: file * from the ioctl
2259 * @cmd: cmd from ioctl
2260 * @arg: arg from ioctl
2261 *
2262 * LOCKING:
2263 * Caller? (FIXME)
2264 *
2265 * Lookup the FB given its ID and return info about it.
2266 *
2267 * Called by the user via ioctl.
2268 *
2269 * RETURNS:
2270 * Zero on success, errno on failure.
2271 */
2272int drm_mode_getfb(struct drm_device *dev,
2273 void *data, struct drm_file *file_priv)
2274{
2275 struct drm_mode_fb_cmd *r = data;
2276 struct drm_mode_object *obj;
2277 struct drm_framebuffer *fb;
2278 int ret = 0;
2279
fb3b06c8
DA		 2280 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2281 return -EINVAL;
2282
f453ba04 2283 mutex_lock(&dev->mode_config.mutex);
e0c8463a 2284 obj = drm_mode_object_find(dev, r->fb_id, DRM_MODE_OBJECT_FB);
f453ba04 2285 if (!obj) {
f453ba04
DA		 2286 ret = -EINVAL;
2287 goto out;
2288 }
2289 fb = obj_to_fb(obj);
2290
2291 r->height = fb->height;
2292 r->width = fb->width;
2293 r->depth = fb->depth;
2294 r->bpp = fb->bits_per_pixel;
01f2c773 2295 r->pitch = fb->pitches[0];
f453ba04
DA		 2296 fb->funcs->create_handle(fb, file_priv, &r->handle);
2297
2298out:
2299 mutex_unlock(&dev->mode_config.mutex);
2300 return ret;
2301}
2302
884840aa
JB		 2303int drm_mode_dirtyfb_ioctl(struct drm_device *dev,
2304 void *data, struct drm_file *file_priv)
2305{
2306 struct drm_clip_rect __user *clips_ptr;
2307 struct drm_clip_rect *clips = NULL;
2308 struct drm_mode_fb_dirty_cmd *r = data;
2309 struct drm_mode_object *obj;
2310 struct drm_framebuffer *fb;
2311 unsigned flags;
2312 int num_clips;
2313 int ret = 0;
2314
fb3b06c8
DA		 2315 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2316 return -EINVAL;
2317
884840aa
JB		 2318 mutex_lock(&dev->mode_config.mutex);
2319 obj = drm_mode_object_find(dev, r->fb_id, DRM_MODE_OBJECT_FB);
2320 if (!obj) {
884840aa
JB		 2321 ret = -EINVAL;
2322 goto out_err1;
2323 }
2324 fb = obj_to_fb(obj);
2325
2326 num_clips = r->num_clips;
81f6c7f8 2327 clips_ptr = (struct drm_clip_rect __user *)(unsigned long)r->clips_ptr;
884840aa
JB		 2328
2329 if (!num_clips != !clips_ptr) {
2330 ret = -EINVAL;
2331 goto out_err1;
2332 }
2333
2334 flags = DRM_MODE_FB_DIRTY_FLAGS & r->flags;
2335
2336 /* If userspace annotates copy, clips must come in pairs */
2337 if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY && (num_clips % 2)) {
2338 ret = -EINVAL;
2339 goto out_err1;
2340 }
2341
2342 if (num_clips && clips_ptr) {
2343 clips = kzalloc(num_clips * sizeof(*clips), GFP_KERNEL);
2344 if (!clips) {
2345 ret = -ENOMEM;
2346 goto out_err1;
2347 }
2348
2349 ret = copy_from_user(clips, clips_ptr,
2350 num_clips * sizeof(*clips));
e902a358
DC		 2351 if (ret) {
2352 ret = -EFAULT;
884840aa 2353 goto out_err2;
e902a358 2354 }
884840aa
JB		 2355 }
2356
2357 if (fb->funcs->dirty) {
02b00162
TH		 2358 ret = fb->funcs->dirty(fb, file_priv, flags, r->color,
2359 clips, num_clips);
884840aa
JB		 2360 } else {
2361 ret = -ENOSYS;
2362 goto out_err2;
2363 }
2364
2365out_err2:
2366 kfree(clips);
2367out_err1:
2368 mutex_unlock(&dev->mode_config.mutex);
2369 return ret;
2370}
2371
2372
f453ba04
DA		 2373/**
2374 * drm_fb_release - remove and free the FBs on this file
2375 * @filp: file * from the ioctl
2376 *
2377 * LOCKING:
2378 * Takes mode config lock.
2379 *
2380 * Destroy all the FBs associated with @filp.
2381 *
2382 * Called by the user via ioctl.
2383 *
2384 * RETURNS:
2385 * Zero on success, errno on failure.
2386 */
ea39f835 2387void drm_fb_release(struct drm_file *priv)
f453ba04 2388{
f453ba04
DA		 2389 struct drm_device *dev = priv->minor->dev;
2390 struct drm_framebuffer *fb, *tfb;
2391
2392 mutex_lock(&dev->mode_config.mutex);
2393 list_for_each_entry_safe(fb, tfb, &priv->fbs, filp_head) {
2394 list_del(&fb->filp_head);
2395 fb->funcs->destroy(fb);
2396 }
2397 mutex_unlock(&dev->mode_config.mutex);
2398}
2399
2400/**
2401 * drm_mode_attachmode - add a mode to the user mode list
2402 * @dev: DRM device
2403 * @connector: connector to add the mode to
2404 * @mode: mode to add
2405 *
2406 * Add @mode to @connector's user mode list.
2407 */
2408static int drm_mode_attachmode(struct drm_device *dev,
2409 struct drm_connector *connector,
2410 struct drm_display_mode *mode)
2411{
2412 int ret = 0;
2413
2414 list_add_tail(&mode->head, &connector->user_modes);
2415 return ret;
2416}
2417
2418int drm_mode_attachmode_crtc(struct drm_device *dev, struct drm_crtc *crtc,
2419 struct drm_display_mode *mode)
2420{
2421 struct drm_connector *connector;
2422 int ret = 0;
2423 struct drm_display_mode *dup_mode;
2424 int need_dup = 0;
2425 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
2426 if (!connector->encoder)
2427 break;
2428 if (connector->encoder->crtc == crtc) {
2429 if (need_dup)
2430 dup_mode = drm_mode_duplicate(dev, mode);
2431 else
2432 dup_mode = mode;
2433 ret = drm_mode_attachmode(dev, connector, dup_mode);
2434 if (ret)
2435 return ret;
2436 need_dup = 1;
2437 }
2438 }
2439 return 0;
2440}
2441EXPORT_SYMBOL(drm_mode_attachmode_crtc);
2442
2443static int drm_mode_detachmode(struct drm_device *dev,
2444 struct drm_connector *connector,
2445 struct drm_display_mode *mode)
2446{
2447 int found = 0;
2448 int ret = 0;
2449 struct drm_display_mode *match_mode, *t;
2450
2451 list_for_each_entry_safe(match_mode, t, &connector->user_modes, head) {
2452 if (drm_mode_equal(match_mode, mode)) {
2453 list_del(&match_mode->head);
2454 drm_mode_destroy(dev, match_mode);
2455 found = 1;
2456 break;
2457 }
2458 }
2459
2460 if (!found)
2461 ret = -EINVAL;
2462
2463 return ret;
2464}
2465
2466int drm_mode_detachmode_crtc(struct drm_device *dev, struct drm_display_mode *mode)
2467{
2468 struct drm_connector *connector;
2469
2470 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
2471 drm_mode_detachmode(dev, connector, mode);
2472 }
2473 return 0;
2474}
2475EXPORT_SYMBOL(drm_mode_detachmode_crtc);
2476
2477/**
2478 * drm_fb_attachmode - Attach a user mode to an connector
2479 * @inode: inode from the ioctl
2480 * @filp: file * from the ioctl
2481 * @cmd: cmd from ioctl
2482 * @arg: arg from ioctl
2483 *
2484 * This attaches a user specified mode to an connector.
2485 * Called by the user via ioctl.
2486 *
2487 * RETURNS:
2488 * Zero on success, errno on failure.
2489 */
2490int drm_mode_attachmode_ioctl(struct drm_device *dev,
2491 void *data, struct drm_file *file_priv)
2492{
2493 struct drm_mode_mode_cmd *mode_cmd = data;
2494 struct drm_connector *connector;
2495 struct drm_display_mode *mode;
2496 struct drm_mode_object *obj;
2497 struct drm_mode_modeinfo *umode = &mode_cmd->mode;
2498 int ret = 0;
2499
fb3b06c8
DA		 2500 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2501 return -EINVAL;
2502
f453ba04
DA		 2503 mutex_lock(&dev->mode_config.mutex);
2504
2505 obj = drm_mode_object_find(dev, mode_cmd->connector_id, DRM_MODE_OBJECT_CONNECTOR);
2506 if (!obj) {
2507 ret = -EINVAL;
2508 goto out;
2509 }
2510 connector = obj_to_connector(obj);
2511
2512 mode = drm_mode_create(dev);
2513 if (!mode) {
2514 ret = -ENOMEM;
2515 goto out;
2516 }
2517
2518 drm_crtc_convert_umode(mode, umode);
2519
2520 ret = drm_mode_attachmode(dev, connector, mode);
2521out:
2522 mutex_unlock(&dev->mode_config.mutex);
2523 return ret;
2524}
2525
2526
2527/**
2528 * drm_fb_detachmode - Detach a user specified mode from an connector
2529 * @inode: inode from the ioctl
2530 * @filp: file * from the ioctl
2531 * @cmd: cmd from ioctl
2532 * @arg: arg from ioctl
2533 *
2534 * Called by the user via ioctl.
2535 *
2536 * RETURNS:
2537 * Zero on success, errno on failure.
2538 */
2539int drm_mode_detachmode_ioctl(struct drm_device *dev,
2540 void *data, struct drm_file *file_priv)
2541{
2542 struct drm_mode_object *obj;
2543 struct drm_mode_mode_cmd *mode_cmd = data;
2544 struct drm_connector *connector;
2545 struct drm_display_mode mode;
2546 struct drm_mode_modeinfo *umode = &mode_cmd->mode;
2547 int ret = 0;
2548
fb3b06c8
DA		 2549 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2550 return -EINVAL;
2551
f453ba04
DA		 2552 mutex_lock(&dev->mode_config.mutex);
2553
2554 obj = drm_mode_object_find(dev, mode_cmd->connector_id, DRM_MODE_OBJECT_CONNECTOR);
2555 if (!obj) {
2556 ret = -EINVAL;
2557 goto out;
2558 }
2559 connector = obj_to_connector(obj);
2560
2561 drm_crtc_convert_umode(&mode, umode);
2562 ret = drm_mode_detachmode(dev, connector, &mode);
2563out:
2564 mutex_unlock(&dev->mode_config.mutex);
2565 return ret;
2566}
2567
2568struct drm_property *drm_property_create(struct drm_device *dev, int flags,
2569 const char *name, int num_values)
2570{
2571 struct drm_property *property = NULL;
2572
2573 property = kzalloc(sizeof(struct drm_property), GFP_KERNEL);
2574 if (!property)
2575 return NULL;
2576
2577 if (num_values) {
2578 property->values = kzalloc(sizeof(uint64_t)*num_values, GFP_KERNEL);
2579 if (!property->values)
2580 goto fail;
2581 }
2582
2583 drm_mode_object_get(dev, &property->base, DRM_MODE_OBJECT_PROPERTY);
2584 property->flags = flags;
2585 property->num_values = num_values;
2586 INIT_LIST_HEAD(&property->enum_blob_list);
2587
2588 if (name)
2589 strncpy(property->name, name, DRM_PROP_NAME_LEN);
2590
2591 list_add_tail(&property->head, &dev->mode_config.property_list);
2592 return property;
2593fail:
2594 kfree(property);
2595 return NULL;
2596}
2597EXPORT_SYMBOL(drm_property_create);
2598
2599int drm_property_add_enum(struct drm_property *property, int index,
2600 uint64_t value, const char *name)
2601{
2602 struct drm_property_enum *prop_enum;
2603
2604 if (!(property->flags & DRM_MODE_PROP_ENUM))
2605 return -EINVAL;
2606
2607 if (!list_empty(&property->enum_blob_list)) {
2608 list_for_each_entry(prop_enum, &property->enum_blob_list, head) {
2609 if (prop_enum->value == value) {
2610 strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN);
2611 prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0';
2612 return 0;
2613 }
2614 }
2615 }
2616
2617 prop_enum = kzalloc(sizeof(struct drm_property_enum), GFP_KERNEL);
2618 if (!prop_enum)
2619 return -ENOMEM;
2620
2621 strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN);
2622 prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0';
2623 prop_enum->value = value;
2624
2625 property->values[index] = value;
2626 list_add_tail(&prop_enum->head, &property->enum_blob_list);
2627 return 0;
2628}
2629EXPORT_SYMBOL(drm_property_add_enum);
2630
2631void drm_property_destroy(struct drm_device *dev, struct drm_property *property)
2632{
2633 struct drm_property_enum *prop_enum, *pt;
2634
2635 list_for_each_entry_safe(prop_enum, pt, &property->enum_blob_list, head) {
2636 list_del(&prop_enum->head);
2637 kfree(prop_enum);
2638 }
2639
2640 if (property->num_values)
2641 kfree(property->values);
2642 drm_mode_object_put(dev, &property->base);
2643 list_del(&property->head);
2644 kfree(property);
2645}
2646EXPORT_SYMBOL(drm_property_destroy);
2647
2648int drm_connector_attach_property(struct drm_connector *connector,
2649 struct drm_property *property, uint64_t init_val)
2650{
2651 int i;
2652
2653 for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
2654 if (connector->property_ids[i] == 0) {
2655 connector->property_ids[i] = property->base.id;
2656 connector->property_values[i] = init_val;
2657 break;
2658 }
2659 }
2660
2661 if (i == DRM_CONNECTOR_MAX_PROPERTY)
2662 return -EINVAL;
2663 return 0;
2664}
2665EXPORT_SYMBOL(drm_connector_attach_property);
2666
2667int drm_connector_property_set_value(struct drm_connector *connector,
2668 struct drm_property *property, uint64_t value)
2669{
2670 int i;
2671
2672 for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
2673 if (connector->property_ids[i] == property->base.id) {
2674 connector->property_values[i] = value;
2675 break;
2676 }
2677 }
2678
2679 if (i == DRM_CONNECTOR_MAX_PROPERTY)
2680 return -EINVAL;
2681 return 0;
2682}
2683EXPORT_SYMBOL(drm_connector_property_set_value);
2684
2685int drm_connector_property_get_value(struct drm_connector *connector,
2686 struct drm_property *property, uint64_t *val)
2687{
2688 int i;
2689
2690 for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
2691 if (connector->property_ids[i] == property->base.id) {
2692 *val = connector->property_values[i];
2693 break;
2694 }
2695 }
2696
2697 if (i == DRM_CONNECTOR_MAX_PROPERTY)
2698 return -EINVAL;
2699 return 0;
2700}
2701EXPORT_SYMBOL(drm_connector_property_get_value);
2702
2703int drm_mode_getproperty_ioctl(struct drm_device *dev,
2704 void *data, struct drm_file *file_priv)
2705{
2706 struct drm_mode_object *obj;
2707 struct drm_mode_get_property *out_resp = data;
2708 struct drm_property *property;
2709 int enum_count = 0;
2710 int blob_count = 0;
2711 int value_count = 0;
2712 int ret = 0, i;
2713 int copied;
2714 struct drm_property_enum *prop_enum;
2715 struct drm_mode_property_enum __user *enum_ptr;
2716 struct drm_property_blob *prop_blob;
81f6c7f8 2717 uint32_t __user *blob_id_ptr;
f453ba04
DA		 2718 uint64_t __user *values_ptr;
2719 uint32_t __user *blob_length_ptr;
2720
fb3b06c8
DA		 2721 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2722 return -EINVAL;
2723
f453ba04
DA		 2724 mutex_lock(&dev->mode_config.mutex);
2725 obj = drm_mode_object_find(dev, out_resp->prop_id, DRM_MODE_OBJECT_PROPERTY);
2726 if (!obj) {
2727 ret = -EINVAL;
2728 goto done;
2729 }
2730 property = obj_to_property(obj);
2731
2732 if (property->flags & DRM_MODE_PROP_ENUM) {
2733 list_for_each_entry(prop_enum, &property->enum_blob_list, head)
2734 enum_count++;
2735 } else if (property->flags & DRM_MODE_PROP_BLOB) {
2736 list_for_each_entry(prop_blob, &property->enum_blob_list, head)
2737 blob_count++;
2738 }
2739
2740 value_count = property->num_values;
2741
2742 strncpy(out_resp->name, property->name, DRM_PROP_NAME_LEN);
2743 out_resp->name[DRM_PROP_NAME_LEN-1] = 0;
2744 out_resp->flags = property->flags;
2745
2746 if ((out_resp->count_values >= value_count) && value_count) {
81f6c7f8 2747 values_ptr = (uint64_t __user *)(unsigned long)out_resp->values_ptr;
f453ba04
DA		 2748 for (i = 0; i < value_count; i++) {
2749 if (copy_to_user(values_ptr + i, &property->values[i], sizeof(uint64_t))) {
2750 ret = -EFAULT;
2751 goto done;
2752 }
2753 }
2754 }
2755 out_resp->count_values = value_count;
2756
2757 if (property->flags & DRM_MODE_PROP_ENUM) {
2758 if ((out_resp->count_enum_blobs >= enum_count) && enum_count) {
2759 copied = 0;
81f6c7f8 2760 enum_ptr = (struct drm_mode_property_enum __user *)(unsigned long)out_resp->enum_blob_ptr;
f453ba04
DA		 2761 list_for_each_entry(prop_enum, &property->enum_blob_list, head) {
2762
2763 if (copy_to_user(&enum_ptr[copied].value, &prop_enum->value, sizeof(uint64_t))) {
2764 ret = -EFAULT;
2765 goto done;
2766 }
2767
2768 if (copy_to_user(&enum_ptr[copied].name,
2769 &prop_enum->name, DRM_PROP_NAME_LEN)) {
2770 ret = -EFAULT;
2771 goto done;
2772 }
2773 copied++;
2774 }
2775 }
2776 out_resp->count_enum_blobs = enum_count;
2777 }
2778
2779 if (property->flags & DRM_MODE_PROP_BLOB) {
2780 if ((out_resp->count_enum_blobs >= blob_count) && blob_count) {
2781 copied = 0;
81f6c7f8
VS		 2782 blob_id_ptr = (uint32_t __user *)(unsigned long)out_resp->enum_blob_ptr;
2783 blob_length_ptr = (uint32_t __user *)(unsigned long)out_resp->values_ptr;
f453ba04
DA		 2784
2785 list_for_each_entry(prop_blob, &property->enum_blob_list, head) {
2786 if (put_user(prop_blob->base.id, blob_id_ptr + copied)) {
2787 ret = -EFAULT;
2788 goto done;
2789 }
2790
2791 if (put_user(prop_blob->length, blob_length_ptr + copied)) {
2792 ret = -EFAULT;
2793 goto done;
2794 }
2795
2796 copied++;
2797 }
2798 }
2799 out_resp->count_enum_blobs = blob_count;
2800 }
2801done:
2802 mutex_unlock(&dev->mode_config.mutex);
2803 return ret;
2804}
2805
2806static struct drm_property_blob *drm_property_create_blob(struct drm_device *dev, int length,
2807 void *data)
2808{
2809 struct drm_property_blob *blob;
2810
2811 if (!length || !data)
2812 return NULL;
2813
2814 blob = kzalloc(sizeof(struct drm_property_blob)+length, GFP_KERNEL);
2815 if (!blob)
2816 return NULL;
2817
2818 blob->data = (void *)((char *)blob + sizeof(struct drm_property_blob));
2819 blob->length = length;
2820
2821 memcpy(blob->data, data, length);
2822
2823 drm_mode_object_get(dev, &blob->base, DRM_MODE_OBJECT_BLOB);
2824
2825 list_add_tail(&blob->head, &dev->mode_config.property_blob_list);
2826 return blob;
2827}
2828
2829static void drm_property_destroy_blob(struct drm_device *dev,
2830 struct drm_property_blob *blob)
2831{
2832 drm_mode_object_put(dev, &blob->base);
2833 list_del(&blob->head);
2834 kfree(blob);
2835}
2836
2837int drm_mode_getblob_ioctl(struct drm_device *dev,
2838 void *data, struct drm_file *file_priv)
2839{
2840 struct drm_mode_object *obj;
2841 struct drm_mode_get_blob *out_resp = data;
2842 struct drm_property_blob *blob;
2843 int ret = 0;
81f6c7f8 2844 void __user *blob_ptr;
f453ba04 2845
fb3b06c8
DA		 2846 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2847 return -EINVAL;
2848
f453ba04
DA		 2849 mutex_lock(&dev->mode_config.mutex);
2850 obj = drm_mode_object_find(dev, out_resp->blob_id, DRM_MODE_OBJECT_BLOB);
2851 if (!obj) {
2852 ret = -EINVAL;
2853 goto done;
2854 }
2855 blob = obj_to_blob(obj);
2856
2857 if (out_resp->length == blob->length) {
81f6c7f8 2858 blob_ptr = (void __user *)(unsigned long)out_resp->data;
f453ba04
DA		 2859 if (copy_to_user(blob_ptr, blob->data, blob->length)){
2860 ret = -EFAULT;
2861 goto done;
2862 }
2863 }
2864 out_resp->length = blob->length;
2865
2866done:
2867 mutex_unlock(&dev->mode_config.mutex);
2868 return ret;
2869}
2870
2871int drm_mode_connector_update_edid_property(struct drm_connector *connector,
2872 struct edid *edid)
2873{
2874 struct drm_device *dev = connector->dev;
7466f4cc 2875 int ret = 0, size;
f453ba04
DA		 2876
2877 if (connector->edid_blob_ptr)
2878 drm_property_destroy_blob(dev, connector->edid_blob_ptr);
2879
2880 /* Delete edid, when there is none. */
2881 if (!edid) {
2882 connector->edid_blob_ptr = NULL;
2883 ret = drm_connector_property_set_value(connector, dev->mode_config.edid_property, 0);
2884 return ret;
2885 }
2886
7466f4cc
AJ		 2887 size = EDID_LENGTH * (1 + edid->extensions);
2888 connector->edid_blob_ptr = drm_property_create_blob(connector->dev,
2889 size, edid);
f453ba04
DA		 2890
2891 ret = drm_connector_property_set_value(connector,
2892 dev->mode_config.edid_property,
2893 connector->edid_blob_ptr->base.id);
2894
2895 return ret;
2896}
2897EXPORT_SYMBOL(drm_mode_connector_update_edid_property);
2898
2899int drm_mode_connector_property_set_ioctl(struct drm_device *dev,
2900 void *data, struct drm_file *file_priv)
2901{
2902 struct drm_mode_connector_set_property *out_resp = data;
2903 struct drm_mode_object *obj;
2904 struct drm_property *property;
2905 struct drm_connector *connector;
2906 int ret = -EINVAL;
2907 int i;
2908
fb3b06c8
DA		 2909 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2910 return -EINVAL;
2911
f453ba04
DA		 2912 mutex_lock(&dev->mode_config.mutex);
2913
2914 obj = drm_mode_object_find(dev, out_resp->connector_id, DRM_MODE_OBJECT_CONNECTOR);
2915 if (!obj) {
2916 goto out;
2917 }
2918 connector = obj_to_connector(obj);
2919
2920 for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
2921 if (connector->property_ids[i] == out_resp->prop_id)
2922 break;
2923 }
2924
2925 if (i == DRM_CONNECTOR_MAX_PROPERTY) {
2926 goto out;
2927 }
2928
2929 obj = drm_mode_object_find(dev, out_resp->prop_id, DRM_MODE_OBJECT_PROPERTY);
2930 if (!obj) {
2931 goto out;
2932 }
2933 property = obj_to_property(obj);
2934
2935 if (property->flags & DRM_MODE_PROP_IMMUTABLE)
2936 goto out;
2937
2938 if (property->flags & DRM_MODE_PROP_RANGE) {
2939 if (out_resp->value < property->values[0])
2940 goto out;
2941
2942 if (out_resp->value > property->values[1])
2943 goto out;
2944 } else {
2945 int found = 0;
2946 for (i = 0; i < property->num_values; i++) {
2947 if (property->values[i] == out_resp->value) {
2948 found = 1;
2949 break;
2950 }
2951 }
2952 if (!found) {
2953 goto out;
2954 }
2955 }
2956
c9fb15f6
KP		 2957 /* Do DPMS ourselves */
2958 if (property == connector->dev->mode_config.dpms_property) {
2959 if (connector->funcs->dpms)
2960 (*connector->funcs->dpms)(connector, (int) out_resp->value);
2961 ret = 0;
2962 } else if (connector->funcs->set_property)
f453ba04
DA		 2963 ret = connector->funcs->set_property(connector, property, out_resp->value);
2964
af901ca1 2965 /* store the property value if successful */
f453ba04
DA		 2966 if (!ret)
2967 drm_connector_property_set_value(connector, property, out_resp->value);
2968out:
2969 mutex_unlock(&dev->mode_config.mutex);
2970 return ret;
2971}
2972
f453ba04
DA		 2973int drm_mode_connector_attach_encoder(struct drm_connector *connector,
2974 struct drm_encoder *encoder)
2975{
2976 int i;
2977
2978 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
2979 if (connector->encoder_ids[i] == 0) {
2980 connector->encoder_ids[i] = encoder->base.id;
2981 return 0;
2982 }
2983 }
2984 return -ENOMEM;
2985}
2986EXPORT_SYMBOL(drm_mode_connector_attach_encoder);
2987
2988void drm_mode_connector_detach_encoder(struct drm_connector *connector,
2989 struct drm_encoder *encoder)
2990{
2991 int i;
2992 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
2993 if (connector->encoder_ids[i] == encoder->base.id) {
2994 connector->encoder_ids[i] = 0;
2995 if (connector->encoder == encoder)
2996 connector->encoder = NULL;
2997 break;
2998 }
2999 }
3000}
3001EXPORT_SYMBOL(drm_mode_connector_detach_encoder);
3002
3003bool drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc,
3004 int gamma_size)
3005{
3006 crtc->gamma_size = gamma_size;
3007
3008 crtc->gamma_store = kzalloc(gamma_size * sizeof(uint16_t) * 3, GFP_KERNEL);
3009 if (!crtc->gamma_store) {
3010 crtc->gamma_size = 0;
3011 return false;
3012 }
3013
3014 return true;
3015}
3016EXPORT_SYMBOL(drm_mode_crtc_set_gamma_size);
3017
3018int drm_mode_gamma_set_ioctl(struct drm_device *dev,
3019 void *data, struct drm_file *file_priv)
3020{
3021 struct drm_mode_crtc_lut *crtc_lut = data;
3022 struct drm_mode_object *obj;
3023 struct drm_crtc *crtc;
3024 void *r_base, *g_base, *b_base;
3025 int size;
3026 int ret = 0;
3027
fb3b06c8
DA		 3028 if (!drm_core_check_feature(dev, DRIVER_MODESET))
3029 return -EINVAL;
3030
f453ba04
DA		 3031 mutex_lock(&dev->mode_config.mutex);
3032 obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC);
3033 if (!obj) {
3034 ret = -EINVAL;
3035 goto out;
3036 }
3037 crtc = obj_to_crtc(obj);
3038
3039 /* memcpy into gamma store */
3040 if (crtc_lut->gamma_size != crtc->gamma_size) {
3041 ret = -EINVAL;
3042 goto out;
3043 }
3044
3045 size = crtc_lut->gamma_size * (sizeof(uint16_t));
3046 r_base = crtc->gamma_store;
3047 if (copy_from_user(r_base, (void __user *)(unsigned long)crtc_lut->red, size)) {
3048 ret = -EFAULT;
3049 goto out;
3050 }
3051
3052 g_base = r_base + size;
3053 if (copy_from_user(g_base, (void __user *)(unsigned long)crtc_lut->green, size)) {
3054 ret = -EFAULT;
3055 goto out;
3056 }
3057
3058 b_base = g_base + size;
3059 if (copy_from_user(b_base, (void __user *)(unsigned long)crtc_lut->blue, size)) {
3060 ret = -EFAULT;
3061 goto out;
3062 }
3063
7203425a 3064 crtc->funcs->gamma_set(crtc, r_base, g_base, b_base, 0, crtc->gamma_size);
f453ba04
DA		 3065
3066out:
3067 mutex_unlock(&dev->mode_config.mutex);
3068 return ret;
3069
3070}
3071
3072int drm_mode_gamma_get_ioctl(struct drm_device *dev,
3073 void *data, struct drm_file *file_priv)
3074{
3075 struct drm_mode_crtc_lut *crtc_lut = data;
3076 struct drm_mode_object *obj;
3077 struct drm_crtc *crtc;
3078 void *r_base, *g_base, *b_base;
3079 int size;
3080 int ret = 0;
3081
fb3b06c8
DA		 3082 if (!drm_core_check_feature(dev, DRIVER_MODESET))
3083 return -EINVAL;
3084
f453ba04
DA		 3085 mutex_lock(&dev->mode_config.mutex);
3086 obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC);
3087 if (!obj) {
3088 ret = -EINVAL;
3089 goto out;
3090 }
3091 crtc = obj_to_crtc(obj);
3092
3093 /* memcpy into gamma store */
3094 if (crtc_lut->gamma_size != crtc->gamma_size) {
3095 ret = -EINVAL;
3096 goto out;
3097 }
3098
3099 size = crtc_lut->gamma_size * (sizeof(uint16_t));
3100 r_base = crtc->gamma_store;
3101 if (copy_to_user((void __user *)(unsigned long)crtc_lut->red, r_base, size)) {
3102 ret = -EFAULT;
3103 goto out;
3104 }
3105
3106 g_base = r_base + size;
3107 if (copy_to_user((void __user *)(unsigned long)crtc_lut->green, g_base, size)) {
3108 ret = -EFAULT;
3109 goto out;
3110 }
3111
3112 b_base = g_base + size;
3113 if (copy_to_user((void __user *)(unsigned long)crtc_lut->blue, b_base, size)) {
3114 ret = -EFAULT;
3115 goto out;
3116 }
3117out:
3118 mutex_unlock(&dev->mode_config.mutex);
3119 return ret;
3120}
d91d8a3f
KH		 3121
3122int drm_mode_page_flip_ioctl(struct drm_device *dev,
3123 void *data, struct drm_file *file_priv)
3124{
3125 struct drm_mode_crtc_page_flip *page_flip = data;
3126 struct drm_mode_object *obj;
3127 struct drm_crtc *crtc;
3128 struct drm_framebuffer *fb;
3129 struct drm_pending_vblank_event *e = NULL;
3130 unsigned long flags;
3131 int ret = -EINVAL;
3132
3133 if (page_flip->flags & ~DRM_MODE_PAGE_FLIP_FLAGS ||
3134 page_flip->reserved != 0)
3135 return -EINVAL;
3136
3137 mutex_lock(&dev->mode_config.mutex);
3138 obj = drm_mode_object_find(dev, page_flip->crtc_id, DRM_MODE_OBJECT_CRTC);
3139 if (!obj)
3140 goto out;
3141 crtc = obj_to_crtc(obj);
3142
90c1efdd
CW		 3143 if (crtc->fb == NULL) {
3144 /* The framebuffer is currently unbound, presumably
3145 * due to a hotplug event, that userspace has not
3146 * yet discovered.
3147 */
3148 ret = -EBUSY;
3149 goto out;
3150 }
3151
d91d8a3f
KH		 3152 if (crtc->funcs->page_flip == NULL)
3153 goto out;
3154
3155 obj = drm_mode_object_find(dev, page_flip->fb_id, DRM_MODE_OBJECT_FB);
3156 if (!obj)
3157 goto out;
3158 fb = obj_to_fb(obj);
3159
3160 if (page_flip->flags & DRM_MODE_PAGE_FLIP_EVENT) {
3161 ret = -ENOMEM;
3162 spin_lock_irqsave(&dev->event_lock, flags);
3163 if (file_priv->event_space < sizeof e->event) {
3164 spin_unlock_irqrestore(&dev->event_lock, flags);
3165 goto out;
3166 }
3167 file_priv->event_space -= sizeof e->event;
3168 spin_unlock_irqrestore(&dev->event_lock, flags);
3169
3170 e = kzalloc(sizeof *e, GFP_KERNEL);
3171 if (e == NULL) {
3172 spin_lock_irqsave(&dev->event_lock, flags);
3173 file_priv->event_space += sizeof e->event;
3174 spin_unlock_irqrestore(&dev->event_lock, flags);
3175 goto out;
3176 }
3177
7bd4d7be 3178 e->event.base.type = DRM_EVENT_FLIP_COMPLETE;
d91d8a3f
KH		 3179 e->event.base.length = sizeof e->event;
3180 e->event.user_data = page_flip->user_data;
3181 e->base.event = &e->event.base;
3182 e->base.file_priv = file_priv;
3183 e->base.destroy =
3184 (void (*) (struct drm_pending_event *)) kfree;
3185 }
3186
3187 ret = crtc->funcs->page_flip(crtc, fb, e);
3188 if (ret) {
3189 spin_lock_irqsave(&dev->event_lock, flags);
3190 file_priv->event_space += sizeof e->event;
3191 spin_unlock_irqrestore(&dev->event_lock, flags);
3192 kfree(e);
3193 }
3194
3195out:
3196 mutex_unlock(&dev->mode_config.mutex);
3197 return ret;
3198}
eb033556
CW		 3199
3200void drm_mode_config_reset(struct drm_device *dev)
3201{
3202 struct drm_crtc *crtc;
3203 struct drm_encoder *encoder;
3204 struct drm_connector *connector;
3205
3206 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head)
3207 if (crtc->funcs->reset)
3208 crtc->funcs->reset(crtc);
3209
3210 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head)
3211 if (encoder->funcs->reset)
3212 encoder->funcs->reset(encoder);
3213
3214 list_for_each_entry(connector, &dev->mode_config.connector_list, head)
3215 if (connector->funcs->reset)
3216 connector->funcs->reset(connector);
3217}
3218EXPORT_SYMBOL(drm_mode_config_reset);
ff72145b
DA		 3219
3220int drm_mode_create_dumb_ioctl(struct drm_device *dev,
3221 void *data, struct drm_file *file_priv)
3222{
3223 struct drm_mode_create_dumb *args = data;
3224
3225 if (!dev->driver->dumb_create)
3226 return -ENOSYS;
3227 return dev->driver->dumb_create(file_priv, dev, args);
3228}
3229
3230int drm_mode_mmap_dumb_ioctl(struct drm_device *dev,
3231 void *data, struct drm_file *file_priv)
3232{
3233 struct drm_mode_map_dumb *args = data;
3234
3235 /* call driver ioctl to get mmap offset */
3236 if (!dev->driver->dumb_map_offset)
3237 return -ENOSYS;
3238
3239 return dev->driver->dumb_map_offset(file_priv, dev, args->handle, &args->offset);
3240}
3241
3242int drm_mode_destroy_dumb_ioctl(struct drm_device *dev,
3243 void *data, struct drm_file *file_priv)
3244{
3245 struct drm_mode_destroy_dumb *args = data;
3246
3247 if (!dev->driver->dumb_destroy)
3248 return -ENOSYS;
3249
3250 return dev->driver->dumb_destroy(file_priv, dev, args->handle);
3251}
248dbc23
DA		 3252
3253/*
3254 * Just need to support RGB formats here for compat with code that doesn't
3255 * use pixel formats directly yet.
3256 */
3257void drm_fb_get_bpp_depth(uint32_t format, unsigned int *depth,
3258 int *bpp)
3259{
3260 switch (format) {
04b3924d
VS		 3261 case DRM_FORMAT_RGB332:
3262 case DRM_FORMAT_BGR233:
248dbc23
DA		 3263 *depth = 8;
3264 *bpp = 8;
3265 break;
04b3924d
VS		 3266 case DRM_FORMAT_XRGB1555:
3267 case DRM_FORMAT_XBGR1555:
3268 case DRM_FORMAT_RGBX5551:
3269 case DRM_FORMAT_BGRX5551:
3270 case DRM_FORMAT_ARGB1555:
3271 case DRM_FORMAT_ABGR1555:
3272 case DRM_FORMAT_RGBA5551:
3273 case DRM_FORMAT_BGRA5551:
248dbc23
DA		 3274 *depth = 15;
3275 *bpp = 16;
3276 break;
04b3924d
VS		 3277 case DRM_FORMAT_RGB565:
3278 case DRM_FORMAT_BGR565:
248dbc23
DA		 3279 *depth = 16;
3280 *bpp = 16;
3281 break;
04b3924d
VS		 3282 case DRM_FORMAT_RGB888:
3283 case DRM_FORMAT_BGR888:
3284 *depth = 24;
3285 *bpp = 24;
3286 break;
3287 case DRM_FORMAT_XRGB8888:
3288 case DRM_FORMAT_XBGR8888:
3289 case DRM_FORMAT_RGBX8888:
3290 case DRM_FORMAT_BGRX8888:
248dbc23
DA		 3291 *depth = 24;
3292 *bpp = 32;
3293 break;
04b3924d
VS		 3294 case DRM_FORMAT_XRGB2101010:
3295 case DRM_FORMAT_XBGR2101010:
3296 case DRM_FORMAT_RGBX1010102:
3297 case DRM_FORMAT_BGRX1010102:
3298 case DRM_FORMAT_ARGB2101010:
3299 case DRM_FORMAT_ABGR2101010:
3300 case DRM_FORMAT_RGBA1010102:
3301 case DRM_FORMAT_BGRA1010102:
248dbc23
DA		 3302 *depth = 30;
3303 *bpp = 32;
3304 break;
04b3924d
VS		 3305 case DRM_FORMAT_ARGB8888:
3306 case DRM_FORMAT_ABGR8888:
3307 case DRM_FORMAT_RGBA8888:
3308 case DRM_FORMAT_BGRA8888:
248dbc23
DA		 3309 *depth = 32;
3310 *bpp = 32;
3311 break;
3312 default:
3313 DRM_DEBUG_KMS("unsupported pixel format\n");
3314 *depth = 0;
3315 *bpp = 0;
3316 break;
3317 }
3318}
3319EXPORT_SYMBOL(drm_fb_get_bpp_depth);
Linux kernel - Deliverables
This page took 0.332334 seconds and 5 git commands to generate.