projects / deliverable / linux.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
drm: Fix __user sparse warnings
[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,
557 uint32_t *formats, uint32_t format_count)
558{
559 mutex_lock(&dev->mode_config.mutex);
560
561 plane->dev = dev;
562 drm_mode_object_get(dev, &plane->base, DRM_MODE_OBJECT_PLANE);
563 plane->funcs = funcs;
564 plane->format_types = kmalloc(sizeof(uint32_t) * format_count,
565 GFP_KERNEL);
566 if (!plane->format_types) {
567 DRM_DEBUG_KMS("out of memory when allocating plane\n");
568 drm_mode_object_put(dev, &plane->base);
10bf573b 569 mutex_unlock(&dev->mode_config.mutex);
8cf5c917
JB		 570 return -ENOMEM;
571 }
572
308e5bcb 573 memcpy(plane->format_types, formats, format_count * sizeof(uint32_t));
8cf5c917
JB		 574 plane->format_count = format_count;
575 plane->possible_crtcs = possible_crtcs;
576
577 list_add_tail(&plane->head, &dev->mode_config.plane_list);
578 dev->mode_config.num_plane++;
579
580 mutex_unlock(&dev->mode_config.mutex);
581
582 return 0;
583}
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;
1664
1665 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1666 return -EINVAL;
1667
1668 mutex_lock(&dev->mode_config.mutex);
1669
1670 /*
1671 * First, find the plane, crtc, and fb objects. If not available,
1672 * we don't bother to call the driver.
1673 */
1674 obj = drm_mode_object_find(dev, plane_req->plane_id,
1675 DRM_MODE_OBJECT_PLANE);
1676 if (!obj) {
1677 DRM_DEBUG_KMS("Unknown plane ID %d\n",
1678 plane_req->plane_id);
1679 ret = -ENOENT;
1680 goto out;
1681 }
1682 plane = obj_to_plane(obj);
1683
1684 /* No fb means shut it down */
1685 if (!plane_req->fb_id) {
1686 plane->funcs->disable_plane(plane);
1687 goto out;
1688 }
1689
1690 obj = drm_mode_object_find(dev, plane_req->crtc_id,
1691 DRM_MODE_OBJECT_CRTC);
1692 if (!obj) {
1693 DRM_DEBUG_KMS("Unknown crtc ID %d\n",
1694 plane_req->crtc_id);
1695 ret = -ENOENT;
1696 goto out;
1697 }
1698 crtc = obj_to_crtc(obj);
1699
1700 obj = drm_mode_object_find(dev, plane_req->fb_id,
1701 DRM_MODE_OBJECT_FB);
1702 if (!obj) {
1703 DRM_DEBUG_KMS("Unknown framebuffer ID %d\n",
1704 plane_req->fb_id);
1705 ret = -ENOENT;
1706 goto out;
1707 }
1708 fb = obj_to_fb(obj);
1709
1710 ret = plane->funcs->update_plane(plane, crtc, fb,
1711 plane_req->crtc_x, plane_req->crtc_y,
1712 plane_req->crtc_w, plane_req->crtc_h,
1713 plane_req->src_x, plane_req->src_y,
1714 plane_req->src_w, plane_req->src_h);
1715 if (!ret) {
1716 plane->crtc = crtc;
1717 plane->fb = fb;
1718 }
1719
1720out:
1721 mutex_unlock(&dev->mode_config.mutex);
1722
1723 return ret;
1724}
1725
f453ba04
DA		 1726/**
1727 * drm_mode_setcrtc - set CRTC configuration
1728 * @inode: inode from the ioctl
1729 * @filp: file * from the ioctl
1730 * @cmd: cmd from ioctl
1731 * @arg: arg from ioctl
1732 *
1733 * LOCKING:
1734 * Caller? (FIXME)
1735 *
1736 * Build a new CRTC configuration based on user request.
1737 *
1738 * Called by the user via ioctl.
1739 *
1740 * RETURNS:
1741 * Zero on success, errno on failure.
1742 */
1743int drm_mode_setcrtc(struct drm_device *dev, void *data,
1744 struct drm_file *file_priv)
1745{
1746 struct drm_mode_config *config = &dev->mode_config;
1747 struct drm_mode_crtc *crtc_req = data;
1748 struct drm_mode_object *obj;
1749 struct drm_crtc *crtc, *crtcfb;
1750 struct drm_connector **connector_set = NULL, *connector;
1751 struct drm_framebuffer *fb = NULL;
1752 struct drm_display_mode *mode = NULL;
1753 struct drm_mode_set set;
1754 uint32_t __user *set_connectors_ptr;
1755 int ret = 0;
1756 int i;
1757
fb3b06c8
DA		 1758 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1759 return -EINVAL;
1760
f453ba04
DA		 1761 mutex_lock(&dev->mode_config.mutex);
1762 obj = drm_mode_object_find(dev, crtc_req->crtc_id,
1763 DRM_MODE_OBJECT_CRTC);
1764 if (!obj) {
58367ed6 1765 DRM_DEBUG_KMS("Unknown CRTC ID %d\n", crtc_req->crtc_id);
f453ba04
DA		 1766 ret = -EINVAL;
1767 goto out;
1768 }
1769 crtc = obj_to_crtc(obj);
9440106b 1770 DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id);
f453ba04
DA		 1771
1772 if (crtc_req->mode_valid) {
1773 /* If we have a mode we need a framebuffer. */
1774 /* If we pass -1, set the mode with the currently bound fb */
1775 if (crtc_req->fb_id == -1) {
1776 list_for_each_entry(crtcfb,
1777 &dev->mode_config.crtc_list, head) {
1778 if (crtcfb == crtc) {
58367ed6
ZY		 1779 DRM_DEBUG_KMS("Using current fb for "
1780 "setmode\n");
f453ba04
DA		 1781 fb = crtc->fb;
1782 }
1783 }
1784 } else {
1785 obj = drm_mode_object_find(dev, crtc_req->fb_id,
1786 DRM_MODE_OBJECT_FB);
1787 if (!obj) {
58367ed6
ZY		 1788 DRM_DEBUG_KMS("Unknown FB ID%d\n",
1789 crtc_req->fb_id);
f453ba04
DA		 1790 ret = -EINVAL;
1791 goto out;
1792 }
1793 fb = obj_to_fb(obj);
1794 }
1795
1796 mode = drm_mode_create(dev);
1797 drm_crtc_convert_umode(mode, &crtc_req->mode);
1798 drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V);
1799 }
1800
1801 if (crtc_req->count_connectors == 0 && mode) {
58367ed6 1802 DRM_DEBUG_KMS("Count connectors is 0 but mode set\n");
f453ba04
DA		 1803 ret = -EINVAL;
1804 goto out;
1805 }
1806
7781de74 1807 if (crtc_req->count_connectors > 0 && (!mode || !fb)) {
58367ed6 1808 DRM_DEBUG_KMS("Count connectors is %d but no mode or fb set\n",
f453ba04
DA		 1809 crtc_req->count_connectors);
1810 ret = -EINVAL;
1811 goto out;
1812 }
1813
1814 if (crtc_req->count_connectors > 0) {
1815 u32 out_id;
1816
1817 /* Avoid unbounded kernel memory allocation */
1818 if (crtc_req->count_connectors > config->num_connector) {
1819 ret = -EINVAL;
1820 goto out;
1821 }
1822
1823 connector_set = kmalloc(crtc_req->count_connectors *
1824 sizeof(struct drm_connector *),
1825 GFP_KERNEL);
1826 if (!connector_set) {
1827 ret = -ENOMEM;
1828 goto out;
1829 }
1830
1831 for (i = 0; i < crtc_req->count_connectors; i++) {
81f6c7f8 1832 set_connectors_ptr = (uint32_t __user *)(unsigned long)crtc_req->set_connectors_ptr;
f453ba04
DA		 1833 if (get_user(out_id, &set_connectors_ptr[i])) {
1834 ret = -EFAULT;
1835 goto out;
1836 }
1837
1838 obj = drm_mode_object_find(dev, out_id,
1839 DRM_MODE_OBJECT_CONNECTOR);
1840 if (!obj) {
58367ed6
ZY		 1841 DRM_DEBUG_KMS("Connector id %d unknown\n",
1842 out_id);
f453ba04
DA		 1843 ret = -EINVAL;
1844 goto out;
1845 }
1846 connector = obj_to_connector(obj);
9440106b
JG		 1847 DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
1848 connector->base.id,
1849 drm_get_connector_name(connector));
f453ba04
DA		 1850
1851 connector_set[i] = connector;
1852 }
1853 }
1854
1855 set.crtc = crtc;
1856 set.x = crtc_req->x;
1857 set.y = crtc_req->y;
1858 set.mode = mode;
1859 set.connectors = connector_set;
1860 set.num_connectors = crtc_req->count_connectors;
5ef5f72f 1861 set.fb = fb;
f453ba04
DA		 1862 ret = crtc->funcs->set_config(&set);
1863
1864out:
1865 kfree(connector_set);
1866 mutex_unlock(&dev->mode_config.mutex);
1867 return ret;
1868}
1869
1870int drm_mode_cursor_ioctl(struct drm_device *dev,
1871 void *data, struct drm_file *file_priv)
1872{
1873 struct drm_mode_cursor *req = data;
1874 struct drm_mode_object *obj;
1875 struct drm_crtc *crtc;
1876 int ret = 0;
1877
fb3b06c8
DA		 1878 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1879 return -EINVAL;
1880
acb4b992 1881 if (!req->flags)
f453ba04 1882 return -EINVAL;
f453ba04
DA		 1883
1884 mutex_lock(&dev->mode_config.mutex);
e0c8463a 1885 obj = drm_mode_object_find(dev, req->crtc_id, DRM_MODE_OBJECT_CRTC);
f453ba04 1886 if (!obj) {
58367ed6 1887 DRM_DEBUG_KMS("Unknown CRTC ID %d\n", req->crtc_id);
f453ba04
DA		 1888 ret = -EINVAL;
1889 goto out;
1890 }
1891 crtc = obj_to_crtc(obj);
1892
1893 if (req->flags & DRM_MODE_CURSOR_BO) {
1894 if (!crtc->funcs->cursor_set) {
f453ba04
DA		 1895 ret = -ENXIO;
1896 goto out;
1897 }
1898 /* Turns off the cursor if handle is 0 */
1899 ret = crtc->funcs->cursor_set(crtc, file_priv, req->handle,
1900 req->width, req->height);
1901 }
1902
1903 if (req->flags & DRM_MODE_CURSOR_MOVE) {
1904 if (crtc->funcs->cursor_move) {
1905 ret = crtc->funcs->cursor_move(crtc, req->x, req->y);
1906 } else {
f453ba04
DA		 1907 ret = -EFAULT;
1908 goto out;
1909 }
1910 }
1911out:
1912 mutex_unlock(&dev->mode_config.mutex);
1913 return ret;
1914}
1915
308e5bcb
JB		 1916/* Original addfb only supported RGB formats, so figure out which one */
1917uint32_t drm_mode_legacy_fb_format(uint32_t bpp, uint32_t depth)
1918{
1919 uint32_t fmt;
1920
1921 switch (bpp) {
1922 case 8:
04b3924d 1923 fmt = DRM_FORMAT_RGB332;
308e5bcb
JB		 1924 break;
1925 case 16:
1926 if (depth == 15)
04b3924d 1927 fmt = DRM_FORMAT_XRGB1555;
308e5bcb 1928 else
04b3924d 1929 fmt = DRM_FORMAT_RGB565;
308e5bcb
JB		 1930 break;
1931 case 24:
04b3924d 1932 fmt = DRM_FORMAT_RGB888;
308e5bcb
JB		 1933 break;
1934 case 32:
1935 if (depth == 24)
04b3924d 1936 fmt = DRM_FORMAT_XRGB8888;
308e5bcb 1937 else if (depth == 30)
04b3924d 1938 fmt = DRM_FORMAT_XRGB2101010;
308e5bcb 1939 else
04b3924d 1940 fmt = DRM_FORMAT_ARGB8888;
308e5bcb
JB		 1941 break;
1942 default:
04b3924d
VS		 1943 DRM_ERROR("bad bpp, assuming x8r8g8b8 pixel format\n");
1944 fmt = DRM_FORMAT_XRGB8888;
308e5bcb
JB		 1945 break;
1946 }
1947
1948 return fmt;
1949}
1950EXPORT_SYMBOL(drm_mode_legacy_fb_format);
1951
f453ba04
DA		 1952/**
1953 * drm_mode_addfb - add an FB to the graphics configuration
1954 * @inode: inode from the ioctl
1955 * @filp: file * from the ioctl
1956 * @cmd: cmd from ioctl
1957 * @arg: arg from ioctl
1958 *
1959 * LOCKING:
1960 * Takes mode config lock.
1961 *
1962 * Add a new FB to the specified CRTC, given a user request.
1963 *
1964 * Called by the user via ioctl.
1965 *
1966 * RETURNS:
1967 * Zero on success, errno on failure.
1968 */
1969int drm_mode_addfb(struct drm_device *dev,
1970 void *data, struct drm_file *file_priv)
1971{
308e5bcb
JB		 1972 struct drm_mode_fb_cmd *or = data;
1973 struct drm_mode_fb_cmd2 r = {};
1974 struct drm_mode_config *config = &dev->mode_config;
1975 struct drm_framebuffer *fb;
1976 int ret = 0;
1977
1978 /* Use new struct with format internally */
1979 r.fb_id = or->fb_id;
1980 r.width = or->width;
1981 r.height = or->height;
1982 r.pitches[0] = or->pitch;
1983 r.pixel_format = drm_mode_legacy_fb_format(or->bpp, or->depth);
1984 r.handles[0] = or->handle;
1985
1986 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1987 return -EINVAL;
1988
acb4b992 1989 if ((config->min_width > r.width) || (r.width > config->max_width))
308e5bcb 1990 return -EINVAL;
acb4b992
JB		 1991
1992 if ((config->min_height > r.height) || (r.height > config->max_height))
308e5bcb 1993 return -EINVAL;
308e5bcb
JB		 1994
1995 mutex_lock(&dev->mode_config.mutex);
1996
1997 /* TODO check buffer is sufficiently large */
1998 /* TODO setup destructor callback */
1999
2000 fb = dev->mode_config.funcs->fb_create(dev, file_priv, &r);
2001 if (IS_ERR(fb)) {
2002 DRM_ERROR("could not create framebuffer\n");
2003 ret = PTR_ERR(fb);
2004 goto out;
2005 }
2006
2007 or->fb_id = fb->base.id;
2008 list_add(&fb->filp_head, &file_priv->fbs);
2009 DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id);
2010
2011out:
2012 mutex_unlock(&dev->mode_config.mutex);
2013 return ret;
2014}
2015
2016/**
2017 * drm_mode_addfb2 - add an FB to the graphics configuration
2018 * @inode: inode from the ioctl
2019 * @filp: file * from the ioctl
2020 * @cmd: cmd from ioctl
2021 * @arg: arg from ioctl
2022 *
2023 * LOCKING:
2024 * Takes mode config lock.
2025 *
2026 * Add a new FB to the specified CRTC, given a user request with format.
2027 *
2028 * Called by the user via ioctl.
2029 *
2030 * RETURNS:
2031 * Zero on success, errno on failure.
2032 */
2033int drm_mode_addfb2(struct drm_device *dev,
2034 void *data, struct drm_file *file_priv)
2035{
2036 struct drm_mode_fb_cmd2 *r = data;
f453ba04
DA		 2037 struct drm_mode_config *config = &dev->mode_config;
2038 struct drm_framebuffer *fb;
2039 int ret = 0;
2040
fb3b06c8
DA		 2041 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2042 return -EINVAL;
2043
f453ba04 2044 if ((config->min_width > r->width) || (r->width > config->max_width)) {
8cf5c917
JB		 2045 DRM_ERROR("bad framebuffer width %d, should be >= %d && <= %d\n",
2046 r->width, config->min_width, config->max_width);
f453ba04
DA		 2047 return -EINVAL;
2048 }
2049 if ((config->min_height > r->height) || (r->height > config->max_height)) {
8cf5c917
JB		 2050 DRM_ERROR("bad framebuffer height %d, should be >= %d && <= %d\n",
2051 r->height, config->min_height, config->max_height);
f453ba04
DA		 2052 return -EINVAL;
2053 }
2054
2055 mutex_lock(&dev->mode_config.mutex);
2056
f453ba04 2057 fb = dev->mode_config.funcs->fb_create(dev, file_priv, r);
cce13ff7 2058 if (IS_ERR(fb)) {
f453ba04 2059 DRM_ERROR("could not create framebuffer\n");
cce13ff7 2060 ret = PTR_ERR(fb);
f453ba04
DA		 2061 goto out;
2062 }
2063
e0c8463a 2064 r->fb_id = fb->base.id;
f453ba04 2065 list_add(&fb->filp_head, &file_priv->fbs);
9440106b 2066 DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id);
f453ba04
DA		 2067
2068out:
2069 mutex_unlock(&dev->mode_config.mutex);
2070 return ret;
2071}
2072
2073/**
2074 * drm_mode_rmfb - remove an FB from the configuration
2075 * @inode: inode from the ioctl
2076 * @filp: file * from the ioctl
2077 * @cmd: cmd from ioctl
2078 * @arg: arg from ioctl
2079 *
2080 * LOCKING:
2081 * Takes mode config lock.
2082 *
2083 * Remove the FB specified by the user.
2084 *
2085 * Called by the user via ioctl.
2086 *
2087 * RETURNS:
2088 * Zero on success, errno on failure.
2089 */
2090int drm_mode_rmfb(struct drm_device *dev,
2091 void *data, struct drm_file *file_priv)
2092{
2093 struct drm_mode_object *obj;
2094 struct drm_framebuffer *fb = NULL;
2095 struct drm_framebuffer *fbl = NULL;
2096 uint32_t *id = data;
2097 int ret = 0;
2098 int found = 0;
2099
fb3b06c8
DA		 2100 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2101 return -EINVAL;
2102
f453ba04
DA		 2103 mutex_lock(&dev->mode_config.mutex);
2104 obj = drm_mode_object_find(dev, *id, DRM_MODE_OBJECT_FB);
25985edc 2105 /* TODO check that we really get a framebuffer back. */
f453ba04 2106 if (!obj) {
f453ba04
DA		 2107 ret = -EINVAL;
2108 goto out;
2109 }
2110 fb = obj_to_fb(obj);
2111
2112 list_for_each_entry(fbl, &file_priv->fbs, filp_head)
2113 if (fb == fbl)
2114 found = 1;
2115
2116 if (!found) {
f453ba04
DA		 2117 ret = -EINVAL;
2118 goto out;
2119 }
2120
2121 /* TODO release all crtc connected to the framebuffer */
2122 /* TODO unhock the destructor from the buffer object */
2123
2124 list_del(&fb->filp_head);
2125 fb->funcs->destroy(fb);
2126
2127out:
2128 mutex_unlock(&dev->mode_config.mutex);
2129 return ret;
2130}
2131
2132/**
2133 * drm_mode_getfb - get FB info
2134 * @inode: inode from the ioctl
2135 * @filp: file * from the ioctl
2136 * @cmd: cmd from ioctl
2137 * @arg: arg from ioctl
2138 *
2139 * LOCKING:
2140 * Caller? (FIXME)
2141 *
2142 * Lookup the FB given its ID and return info about it.
2143 *
2144 * Called by the user via ioctl.
2145 *
2146 * RETURNS:
2147 * Zero on success, errno on failure.
2148 */
2149int drm_mode_getfb(struct drm_device *dev,
2150 void *data, struct drm_file *file_priv)
2151{
2152 struct drm_mode_fb_cmd *r = data;
2153 struct drm_mode_object *obj;
2154 struct drm_framebuffer *fb;
2155 int ret = 0;
2156
fb3b06c8
DA		 2157 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2158 return -EINVAL;
2159
f453ba04 2160 mutex_lock(&dev->mode_config.mutex);
e0c8463a 2161 obj = drm_mode_object_find(dev, r->fb_id, DRM_MODE_OBJECT_FB);
f453ba04 2162 if (!obj) {
f453ba04
DA		 2163 ret = -EINVAL;
2164 goto out;
2165 }
2166 fb = obj_to_fb(obj);
2167
2168 r->height = fb->height;
2169 r->width = fb->width;
2170 r->depth = fb->depth;
2171 r->bpp = fb->bits_per_pixel;
2172 r->pitch = fb->pitch;
2173 fb->funcs->create_handle(fb, file_priv, &r->handle);
2174
2175out:
2176 mutex_unlock(&dev->mode_config.mutex);
2177 return ret;
2178}
2179
884840aa
JB		 2180int drm_mode_dirtyfb_ioctl(struct drm_device *dev,
2181 void *data, struct drm_file *file_priv)
2182{
2183 struct drm_clip_rect __user *clips_ptr;
2184 struct drm_clip_rect *clips = NULL;
2185 struct drm_mode_fb_dirty_cmd *r = data;
2186 struct drm_mode_object *obj;
2187 struct drm_framebuffer *fb;
2188 unsigned flags;
2189 int num_clips;
2190 int ret = 0;
2191
fb3b06c8
DA		 2192 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2193 return -EINVAL;
2194
884840aa
JB		 2195 mutex_lock(&dev->mode_config.mutex);
2196 obj = drm_mode_object_find(dev, r->fb_id, DRM_MODE_OBJECT_FB);
2197 if (!obj) {
884840aa
JB		 2198 ret = -EINVAL;
2199 goto out_err1;
2200 }
2201 fb = obj_to_fb(obj);
2202
2203 num_clips = r->num_clips;
81f6c7f8 2204 clips_ptr = (struct drm_clip_rect __user *)(unsigned long)r->clips_ptr;
884840aa
JB		 2205
2206 if (!num_clips != !clips_ptr) {
2207 ret = -EINVAL;
2208 goto out_err1;
2209 }
2210
2211 flags = DRM_MODE_FB_DIRTY_FLAGS & r->flags;
2212
2213 /* If userspace annotates copy, clips must come in pairs */
2214 if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY && (num_clips % 2)) {
2215 ret = -EINVAL;
2216 goto out_err1;
2217 }
2218
2219 if (num_clips && clips_ptr) {
2220 clips = kzalloc(num_clips * sizeof(*clips), GFP_KERNEL);
2221 if (!clips) {
2222 ret = -ENOMEM;
2223 goto out_err1;
2224 }
2225
2226 ret = copy_from_user(clips, clips_ptr,
2227 num_clips * sizeof(*clips));
e902a358
DC		 2228 if (ret) {
2229 ret = -EFAULT;
884840aa 2230 goto out_err2;
e902a358 2231 }
884840aa
JB		 2232 }
2233
2234 if (fb->funcs->dirty) {
02b00162
TH		 2235 ret = fb->funcs->dirty(fb, file_priv, flags, r->color,
2236 clips, num_clips);
884840aa
JB		 2237 } else {
2238 ret = -ENOSYS;
2239 goto out_err2;
2240 }
2241
2242out_err2:
2243 kfree(clips);
2244out_err1:
2245 mutex_unlock(&dev->mode_config.mutex);
2246 return ret;
2247}
2248
2249
f453ba04
DA		 2250/**
2251 * drm_fb_release - remove and free the FBs on this file
2252 * @filp: file * from the ioctl
2253 *
2254 * LOCKING:
2255 * Takes mode config lock.
2256 *
2257 * Destroy all the FBs associated with @filp.
2258 *
2259 * Called by the user via ioctl.
2260 *
2261 * RETURNS:
2262 * Zero on success, errno on failure.
2263 */
ea39f835 2264void drm_fb_release(struct drm_file *priv)
f453ba04 2265{
f453ba04
DA		 2266 struct drm_device *dev = priv->minor->dev;
2267 struct drm_framebuffer *fb, *tfb;
2268
2269 mutex_lock(&dev->mode_config.mutex);
2270 list_for_each_entry_safe(fb, tfb, &priv->fbs, filp_head) {
2271 list_del(&fb->filp_head);
2272 fb->funcs->destroy(fb);
2273 }
2274 mutex_unlock(&dev->mode_config.mutex);
2275}
2276
2277/**
2278 * drm_mode_attachmode - add a mode to the user mode list
2279 * @dev: DRM device
2280 * @connector: connector to add the mode to
2281 * @mode: mode to add
2282 *
2283 * Add @mode to @connector's user mode list.
2284 */
2285static int drm_mode_attachmode(struct drm_device *dev,
2286 struct drm_connector *connector,
2287 struct drm_display_mode *mode)
2288{
2289 int ret = 0;
2290
2291 list_add_tail(&mode->head, &connector->user_modes);
2292 return ret;
2293}
2294
2295int drm_mode_attachmode_crtc(struct drm_device *dev, struct drm_crtc *crtc,
2296 struct drm_display_mode *mode)
2297{
2298 struct drm_connector *connector;
2299 int ret = 0;
2300 struct drm_display_mode *dup_mode;
2301 int need_dup = 0;
2302 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
2303 if (!connector->encoder)
2304 break;
2305 if (connector->encoder->crtc == crtc) {
2306 if (need_dup)
2307 dup_mode = drm_mode_duplicate(dev, mode);
2308 else
2309 dup_mode = mode;
2310 ret = drm_mode_attachmode(dev, connector, dup_mode);
2311 if (ret)
2312 return ret;
2313 need_dup = 1;
2314 }
2315 }
2316 return 0;
2317}
2318EXPORT_SYMBOL(drm_mode_attachmode_crtc);
2319
2320static int drm_mode_detachmode(struct drm_device *dev,
2321 struct drm_connector *connector,
2322 struct drm_display_mode *mode)
2323{
2324 int found = 0;
2325 int ret = 0;
2326 struct drm_display_mode *match_mode, *t;
2327
2328 list_for_each_entry_safe(match_mode, t, &connector->user_modes, head) {
2329 if (drm_mode_equal(match_mode, mode)) {
2330 list_del(&match_mode->head);
2331 drm_mode_destroy(dev, match_mode);
2332 found = 1;
2333 break;
2334 }
2335 }
2336
2337 if (!found)
2338 ret = -EINVAL;
2339
2340 return ret;
2341}
2342
2343int drm_mode_detachmode_crtc(struct drm_device *dev, struct drm_display_mode *mode)
2344{
2345 struct drm_connector *connector;
2346
2347 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
2348 drm_mode_detachmode(dev, connector, mode);
2349 }
2350 return 0;
2351}
2352EXPORT_SYMBOL(drm_mode_detachmode_crtc);
2353
2354/**
2355 * drm_fb_attachmode - Attach a user mode to an connector
2356 * @inode: inode from the ioctl
2357 * @filp: file * from the ioctl
2358 * @cmd: cmd from ioctl
2359 * @arg: arg from ioctl
2360 *
2361 * This attaches a user specified mode to an connector.
2362 * Called by the user via ioctl.
2363 *
2364 * RETURNS:
2365 * Zero on success, errno on failure.
2366 */
2367int drm_mode_attachmode_ioctl(struct drm_device *dev,
2368 void *data, struct drm_file *file_priv)
2369{
2370 struct drm_mode_mode_cmd *mode_cmd = data;
2371 struct drm_connector *connector;
2372 struct drm_display_mode *mode;
2373 struct drm_mode_object *obj;
2374 struct drm_mode_modeinfo *umode = &mode_cmd->mode;
2375 int ret = 0;
2376
fb3b06c8
DA		 2377 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2378 return -EINVAL;
2379
f453ba04
DA		 2380 mutex_lock(&dev->mode_config.mutex);
2381
2382 obj = drm_mode_object_find(dev, mode_cmd->connector_id, DRM_MODE_OBJECT_CONNECTOR);
2383 if (!obj) {
2384 ret = -EINVAL;
2385 goto out;
2386 }
2387 connector = obj_to_connector(obj);
2388
2389 mode = drm_mode_create(dev);
2390 if (!mode) {
2391 ret = -ENOMEM;
2392 goto out;
2393 }
2394
2395 drm_crtc_convert_umode(mode, umode);
2396
2397 ret = drm_mode_attachmode(dev, connector, mode);
2398out:
2399 mutex_unlock(&dev->mode_config.mutex);
2400 return ret;
2401}
2402
2403
2404/**
2405 * drm_fb_detachmode - Detach a user specified mode from an connector
2406 * @inode: inode from the ioctl
2407 * @filp: file * from the ioctl
2408 * @cmd: cmd from ioctl
2409 * @arg: arg from ioctl
2410 *
2411 * Called by the user via ioctl.
2412 *
2413 * RETURNS:
2414 * Zero on success, errno on failure.
2415 */
2416int drm_mode_detachmode_ioctl(struct drm_device *dev,
2417 void *data, struct drm_file *file_priv)
2418{
2419 struct drm_mode_object *obj;
2420 struct drm_mode_mode_cmd *mode_cmd = data;
2421 struct drm_connector *connector;
2422 struct drm_display_mode mode;
2423 struct drm_mode_modeinfo *umode = &mode_cmd->mode;
2424 int ret = 0;
2425
fb3b06c8
DA		 2426 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2427 return -EINVAL;
2428
f453ba04
DA		 2429 mutex_lock(&dev->mode_config.mutex);
2430
2431 obj = drm_mode_object_find(dev, mode_cmd->connector_id, DRM_MODE_OBJECT_CONNECTOR);
2432 if (!obj) {
2433 ret = -EINVAL;
2434 goto out;
2435 }
2436 connector = obj_to_connector(obj);
2437
2438 drm_crtc_convert_umode(&mode, umode);
2439 ret = drm_mode_detachmode(dev, connector, &mode);
2440out:
2441 mutex_unlock(&dev->mode_config.mutex);
2442 return ret;
2443}
2444
2445struct drm_property *drm_property_create(struct drm_device *dev, int flags,
2446 const char *name, int num_values)
2447{
2448 struct drm_property *property = NULL;
2449
2450 property = kzalloc(sizeof(struct drm_property), GFP_KERNEL);
2451 if (!property)
2452 return NULL;
2453
2454 if (num_values) {
2455 property->values = kzalloc(sizeof(uint64_t)*num_values, GFP_KERNEL);
2456 if (!property->values)
2457 goto fail;
2458 }
2459
2460 drm_mode_object_get(dev, &property->base, DRM_MODE_OBJECT_PROPERTY);
2461 property->flags = flags;
2462 property->num_values = num_values;
2463 INIT_LIST_HEAD(&property->enum_blob_list);
2464
2465 if (name)
2466 strncpy(property->name, name, DRM_PROP_NAME_LEN);
2467
2468 list_add_tail(&property->head, &dev->mode_config.property_list);
2469 return property;
2470fail:
2471 kfree(property);
2472 return NULL;
2473}
2474EXPORT_SYMBOL(drm_property_create);
2475
2476int drm_property_add_enum(struct drm_property *property, int index,
2477 uint64_t value, const char *name)
2478{
2479 struct drm_property_enum *prop_enum;
2480
2481 if (!(property->flags & DRM_MODE_PROP_ENUM))
2482 return -EINVAL;
2483
2484 if (!list_empty(&property->enum_blob_list)) {
2485 list_for_each_entry(prop_enum, &property->enum_blob_list, head) {
2486 if (prop_enum->value == value) {
2487 strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN);
2488 prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0';
2489 return 0;
2490 }
2491 }
2492 }
2493
2494 prop_enum = kzalloc(sizeof(struct drm_property_enum), GFP_KERNEL);
2495 if (!prop_enum)
2496 return -ENOMEM;
2497
2498 strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN);
2499 prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0';
2500 prop_enum->value = value;
2501
2502 property->values[index] = value;
2503 list_add_tail(&prop_enum->head, &property->enum_blob_list);
2504 return 0;
2505}
2506EXPORT_SYMBOL(drm_property_add_enum);
2507
2508void drm_property_destroy(struct drm_device *dev, struct drm_property *property)
2509{
2510 struct drm_property_enum *prop_enum, *pt;
2511
2512 list_for_each_entry_safe(prop_enum, pt, &property->enum_blob_list, head) {
2513 list_del(&prop_enum->head);
2514 kfree(prop_enum);
2515 }
2516
2517 if (property->num_values)
2518 kfree(property->values);
2519 drm_mode_object_put(dev, &property->base);
2520 list_del(&property->head);
2521 kfree(property);
2522}
2523EXPORT_SYMBOL(drm_property_destroy);
2524
2525int drm_connector_attach_property(struct drm_connector *connector,
2526 struct drm_property *property, uint64_t init_val)
2527{
2528 int i;
2529
2530 for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
2531 if (connector->property_ids[i] == 0) {
2532 connector->property_ids[i] = property->base.id;
2533 connector->property_values[i] = init_val;
2534 break;
2535 }
2536 }
2537
2538 if (i == DRM_CONNECTOR_MAX_PROPERTY)
2539 return -EINVAL;
2540 return 0;
2541}
2542EXPORT_SYMBOL(drm_connector_attach_property);
2543
2544int drm_connector_property_set_value(struct drm_connector *connector,
2545 struct drm_property *property, uint64_t value)
2546{
2547 int i;
2548
2549 for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
2550 if (connector->property_ids[i] == property->base.id) {
2551 connector->property_values[i] = value;
2552 break;
2553 }
2554 }
2555
2556 if (i == DRM_CONNECTOR_MAX_PROPERTY)
2557 return -EINVAL;
2558 return 0;
2559}
2560EXPORT_SYMBOL(drm_connector_property_set_value);
2561
2562int drm_connector_property_get_value(struct drm_connector *connector,
2563 struct drm_property *property, uint64_t *val)
2564{
2565 int i;
2566
2567 for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
2568 if (connector->property_ids[i] == property->base.id) {
2569 *val = connector->property_values[i];
2570 break;
2571 }
2572 }
2573
2574 if (i == DRM_CONNECTOR_MAX_PROPERTY)
2575 return -EINVAL;
2576 return 0;
2577}
2578EXPORT_SYMBOL(drm_connector_property_get_value);
2579
2580int drm_mode_getproperty_ioctl(struct drm_device *dev,
2581 void *data, struct drm_file *file_priv)
2582{
2583 struct drm_mode_object *obj;
2584 struct drm_mode_get_property *out_resp = data;
2585 struct drm_property *property;
2586 int enum_count = 0;
2587 int blob_count = 0;
2588 int value_count = 0;
2589 int ret = 0, i;
2590 int copied;
2591 struct drm_property_enum *prop_enum;
2592 struct drm_mode_property_enum __user *enum_ptr;
2593 struct drm_property_blob *prop_blob;
81f6c7f8 2594 uint32_t __user *blob_id_ptr;
f453ba04
DA		 2595 uint64_t __user *values_ptr;
2596 uint32_t __user *blob_length_ptr;
2597
fb3b06c8
DA		 2598 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2599 return -EINVAL;
2600
f453ba04
DA		 2601 mutex_lock(&dev->mode_config.mutex);
2602 obj = drm_mode_object_find(dev, out_resp->prop_id, DRM_MODE_OBJECT_PROPERTY);
2603 if (!obj) {
2604 ret = -EINVAL;
2605 goto done;
2606 }
2607 property = obj_to_property(obj);
2608
2609 if (property->flags & DRM_MODE_PROP_ENUM) {
2610 list_for_each_entry(prop_enum, &property->enum_blob_list, head)
2611 enum_count++;
2612 } else if (property->flags & DRM_MODE_PROP_BLOB) {
2613 list_for_each_entry(prop_blob, &property->enum_blob_list, head)
2614 blob_count++;
2615 }
2616
2617 value_count = property->num_values;
2618
2619 strncpy(out_resp->name, property->name, DRM_PROP_NAME_LEN);
2620 out_resp->name[DRM_PROP_NAME_LEN-1] = 0;
2621 out_resp->flags = property->flags;
2622
2623 if ((out_resp->count_values >= value_count) && value_count) {
81f6c7f8 2624 values_ptr = (uint64_t __user *)(unsigned long)out_resp->values_ptr;
f453ba04
DA		 2625 for (i = 0; i < value_count; i++) {
2626 if (copy_to_user(values_ptr + i, &property->values[i], sizeof(uint64_t))) {
2627 ret = -EFAULT;
2628 goto done;
2629 }
2630 }
2631 }
2632 out_resp->count_values = value_count;
2633
2634 if (property->flags & DRM_MODE_PROP_ENUM) {
2635 if ((out_resp->count_enum_blobs >= enum_count) && enum_count) {
2636 copied = 0;
81f6c7f8 2637 enum_ptr = (struct drm_mode_property_enum __user *)(unsigned long)out_resp->enum_blob_ptr;
f453ba04
DA		 2638 list_for_each_entry(prop_enum, &property->enum_blob_list, head) {
2639
2640 if (copy_to_user(&enum_ptr[copied].value, &prop_enum->value, sizeof(uint64_t))) {
2641 ret = -EFAULT;
2642 goto done;
2643 }
2644
2645 if (copy_to_user(&enum_ptr[copied].name,
2646 &prop_enum->name, DRM_PROP_NAME_LEN)) {
2647 ret = -EFAULT;
2648 goto done;
2649 }
2650 copied++;
2651 }
2652 }
2653 out_resp->count_enum_blobs = enum_count;
2654 }
2655
2656 if (property->flags & DRM_MODE_PROP_BLOB) {
2657 if ((out_resp->count_enum_blobs >= blob_count) && blob_count) {
2658 copied = 0;
81f6c7f8
VS		 2659 blob_id_ptr = (uint32_t __user *)(unsigned long)out_resp->enum_blob_ptr;
2660 blob_length_ptr = (uint32_t __user *)(unsigned long)out_resp->values_ptr;
f453ba04
DA		 2661
2662 list_for_each_entry(prop_blob, &property->enum_blob_list, head) {
2663 if (put_user(prop_blob->base.id, blob_id_ptr + copied)) {
2664 ret = -EFAULT;
2665 goto done;
2666 }
2667
2668 if (put_user(prop_blob->length, blob_length_ptr + copied)) {
2669 ret = -EFAULT;
2670 goto done;
2671 }
2672
2673 copied++;
2674 }
2675 }
2676 out_resp->count_enum_blobs = blob_count;
2677 }
2678done:
2679 mutex_unlock(&dev->mode_config.mutex);
2680 return ret;
2681}
2682
2683static struct drm_property_blob *drm_property_create_blob(struct drm_device *dev, int length,
2684 void *data)
2685{
2686 struct drm_property_blob *blob;
2687
2688 if (!length || !data)
2689 return NULL;
2690
2691 blob = kzalloc(sizeof(struct drm_property_blob)+length, GFP_KERNEL);
2692 if (!blob)
2693 return NULL;
2694
2695 blob->data = (void *)((char *)blob + sizeof(struct drm_property_blob));
2696 blob->length = length;
2697
2698 memcpy(blob->data, data, length);
2699
2700 drm_mode_object_get(dev, &blob->base, DRM_MODE_OBJECT_BLOB);
2701
2702 list_add_tail(&blob->head, &dev->mode_config.property_blob_list);
2703 return blob;
2704}
2705
2706static void drm_property_destroy_blob(struct drm_device *dev,
2707 struct drm_property_blob *blob)
2708{
2709 drm_mode_object_put(dev, &blob->base);
2710 list_del(&blob->head);
2711 kfree(blob);
2712}
2713
2714int drm_mode_getblob_ioctl(struct drm_device *dev,
2715 void *data, struct drm_file *file_priv)
2716{
2717 struct drm_mode_object *obj;
2718 struct drm_mode_get_blob *out_resp = data;
2719 struct drm_property_blob *blob;
2720 int ret = 0;
81f6c7f8 2721 void __user *blob_ptr;
f453ba04 2722
fb3b06c8
DA		 2723 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2724 return -EINVAL;
2725
f453ba04
DA		 2726 mutex_lock(&dev->mode_config.mutex);
2727 obj = drm_mode_object_find(dev, out_resp->blob_id, DRM_MODE_OBJECT_BLOB);
2728 if (!obj) {
2729 ret = -EINVAL;
2730 goto done;
2731 }
2732 blob = obj_to_blob(obj);
2733
2734 if (out_resp->length == blob->length) {
81f6c7f8 2735 blob_ptr = (void __user *)(unsigned long)out_resp->data;
f453ba04
DA		 2736 if (copy_to_user(blob_ptr, blob->data, blob->length)){
2737 ret = -EFAULT;
2738 goto done;
2739 }
2740 }
2741 out_resp->length = blob->length;
2742
2743done:
2744 mutex_unlock(&dev->mode_config.mutex);
2745 return ret;
2746}
2747
2748int drm_mode_connector_update_edid_property(struct drm_connector *connector,
2749 struct edid *edid)
2750{
2751 struct drm_device *dev = connector->dev;
7466f4cc 2752 int ret = 0, size;
f453ba04
DA		 2753
2754 if (connector->edid_blob_ptr)
2755 drm_property_destroy_blob(dev, connector->edid_blob_ptr);
2756
2757 /* Delete edid, when there is none. */
2758 if (!edid) {
2759 connector->edid_blob_ptr = NULL;
2760 ret = drm_connector_property_set_value(connector, dev->mode_config.edid_property, 0);
2761 return ret;
2762 }
2763
7466f4cc
AJ		 2764 size = EDID_LENGTH * (1 + edid->extensions);
2765 connector->edid_blob_ptr = drm_property_create_blob(connector->dev,
2766 size, edid);
f453ba04
DA		 2767
2768 ret = drm_connector_property_set_value(connector,
2769 dev->mode_config.edid_property,
2770 connector->edid_blob_ptr->base.id);
2771
2772 return ret;
2773}
2774EXPORT_SYMBOL(drm_mode_connector_update_edid_property);
2775
2776int drm_mode_connector_property_set_ioctl(struct drm_device *dev,
2777 void *data, struct drm_file *file_priv)
2778{
2779 struct drm_mode_connector_set_property *out_resp = data;
2780 struct drm_mode_object *obj;
2781 struct drm_property *property;
2782 struct drm_connector *connector;
2783 int ret = -EINVAL;
2784 int i;
2785
fb3b06c8
DA		 2786 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2787 return -EINVAL;
2788
f453ba04
DA		 2789 mutex_lock(&dev->mode_config.mutex);
2790
2791 obj = drm_mode_object_find(dev, out_resp->connector_id, DRM_MODE_OBJECT_CONNECTOR);
2792 if (!obj) {
2793 goto out;
2794 }
2795 connector = obj_to_connector(obj);
2796
2797 for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
2798 if (connector->property_ids[i] == out_resp->prop_id)
2799 break;
2800 }
2801
2802 if (i == DRM_CONNECTOR_MAX_PROPERTY) {
2803 goto out;
2804 }
2805
2806 obj = drm_mode_object_find(dev, out_resp->prop_id, DRM_MODE_OBJECT_PROPERTY);
2807 if (!obj) {
2808 goto out;
2809 }
2810 property = obj_to_property(obj);
2811
2812 if (property->flags & DRM_MODE_PROP_IMMUTABLE)
2813 goto out;
2814
2815 if (property->flags & DRM_MODE_PROP_RANGE) {
2816 if (out_resp->value < property->values[0])
2817 goto out;
2818
2819 if (out_resp->value > property->values[1])
2820 goto out;
2821 } else {
2822 int found = 0;
2823 for (i = 0; i < property->num_values; i++) {
2824 if (property->values[i] == out_resp->value) {
2825 found = 1;
2826 break;
2827 }
2828 }
2829 if (!found) {
2830 goto out;
2831 }
2832 }
2833
c9fb15f6
KP		 2834 /* Do DPMS ourselves */
2835 if (property == connector->dev->mode_config.dpms_property) {
2836 if (connector->funcs->dpms)
2837 (*connector->funcs->dpms)(connector, (int) out_resp->value);
2838 ret = 0;
2839 } else if (connector->funcs->set_property)
f453ba04
DA		 2840 ret = connector->funcs->set_property(connector, property, out_resp->value);
2841
af901ca1 2842 /* store the property value if successful */
f453ba04
DA		 2843 if (!ret)
2844 drm_connector_property_set_value(connector, property, out_resp->value);
2845out:
2846 mutex_unlock(&dev->mode_config.mutex);
2847 return ret;
2848}
2849
f453ba04
DA		 2850int drm_mode_connector_attach_encoder(struct drm_connector *connector,
2851 struct drm_encoder *encoder)
2852{
2853 int i;
2854
2855 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
2856 if (connector->encoder_ids[i] == 0) {
2857 connector->encoder_ids[i] = encoder->base.id;
2858 return 0;
2859 }
2860 }
2861 return -ENOMEM;
2862}
2863EXPORT_SYMBOL(drm_mode_connector_attach_encoder);
2864
2865void drm_mode_connector_detach_encoder(struct drm_connector *connector,
2866 struct drm_encoder *encoder)
2867{
2868 int i;
2869 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
2870 if (connector->encoder_ids[i] == encoder->base.id) {
2871 connector->encoder_ids[i] = 0;
2872 if (connector->encoder == encoder)
2873 connector->encoder = NULL;
2874 break;
2875 }
2876 }
2877}
2878EXPORT_SYMBOL(drm_mode_connector_detach_encoder);
2879
2880bool drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc,
2881 int gamma_size)
2882{
2883 crtc->gamma_size = gamma_size;
2884
2885 crtc->gamma_store = kzalloc(gamma_size * sizeof(uint16_t) * 3, GFP_KERNEL);
2886 if (!crtc->gamma_store) {
2887 crtc->gamma_size = 0;
2888 return false;
2889 }
2890
2891 return true;
2892}
2893EXPORT_SYMBOL(drm_mode_crtc_set_gamma_size);
2894
2895int drm_mode_gamma_set_ioctl(struct drm_device *dev,
2896 void *data, struct drm_file *file_priv)
2897{
2898 struct drm_mode_crtc_lut *crtc_lut = data;
2899 struct drm_mode_object *obj;
2900 struct drm_crtc *crtc;
2901 void *r_base, *g_base, *b_base;
2902 int size;
2903 int ret = 0;
2904
fb3b06c8
DA		 2905 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2906 return -EINVAL;
2907
f453ba04
DA		 2908 mutex_lock(&dev->mode_config.mutex);
2909 obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC);
2910 if (!obj) {
2911 ret = -EINVAL;
2912 goto out;
2913 }
2914 crtc = obj_to_crtc(obj);
2915
2916 /* memcpy into gamma store */
2917 if (crtc_lut->gamma_size != crtc->gamma_size) {
2918 ret = -EINVAL;
2919 goto out;
2920 }
2921
2922 size = crtc_lut->gamma_size * (sizeof(uint16_t));
2923 r_base = crtc->gamma_store;
2924 if (copy_from_user(r_base, (void __user *)(unsigned long)crtc_lut->red, size)) {
2925 ret = -EFAULT;
2926 goto out;
2927 }
2928
2929 g_base = r_base + size;
2930 if (copy_from_user(g_base, (void __user *)(unsigned long)crtc_lut->green, size)) {
2931 ret = -EFAULT;
2932 goto out;
2933 }
2934
2935 b_base = g_base + size;
2936 if (copy_from_user(b_base, (void __user *)(unsigned long)crtc_lut->blue, size)) {
2937 ret = -EFAULT;
2938 goto out;
2939 }
2940
7203425a 2941 crtc->funcs->gamma_set(crtc, r_base, g_base, b_base, 0, crtc->gamma_size);
f453ba04
DA		 2942
2943out:
2944 mutex_unlock(&dev->mode_config.mutex);
2945 return ret;
2946
2947}
2948
2949int drm_mode_gamma_get_ioctl(struct drm_device *dev,
2950 void *data, struct drm_file *file_priv)
2951{
2952 struct drm_mode_crtc_lut *crtc_lut = data;
2953 struct drm_mode_object *obj;
2954 struct drm_crtc *crtc;
2955 void *r_base, *g_base, *b_base;
2956 int size;
2957 int ret = 0;
2958
fb3b06c8
DA		 2959 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2960 return -EINVAL;
2961
f453ba04
DA		 2962 mutex_lock(&dev->mode_config.mutex);
2963 obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC);
2964 if (!obj) {
2965 ret = -EINVAL;
2966 goto out;
2967 }
2968 crtc = obj_to_crtc(obj);
2969
2970 /* memcpy into gamma store */
2971 if (crtc_lut->gamma_size != crtc->gamma_size) {
2972 ret = -EINVAL;
2973 goto out;
2974 }
2975
2976 size = crtc_lut->gamma_size * (sizeof(uint16_t));
2977 r_base = crtc->gamma_store;
2978 if (copy_to_user((void __user *)(unsigned long)crtc_lut->red, r_base, size)) {
2979 ret = -EFAULT;
2980 goto out;
2981 }
2982
2983 g_base = r_base + size;
2984 if (copy_to_user((void __user *)(unsigned long)crtc_lut->green, g_base, size)) {
2985 ret = -EFAULT;
2986 goto out;
2987 }
2988
2989 b_base = g_base + size;
2990 if (copy_to_user((void __user *)(unsigned long)crtc_lut->blue, b_base, size)) {
2991 ret = -EFAULT;
2992 goto out;
2993 }
2994out:
2995 mutex_unlock(&dev->mode_config.mutex);
2996 return ret;
2997}
d91d8a3f
KH		 2998
2999int drm_mode_page_flip_ioctl(struct drm_device *dev,
3000 void *data, struct drm_file *file_priv)
3001{
3002 struct drm_mode_crtc_page_flip *page_flip = data;
3003 struct drm_mode_object *obj;
3004 struct drm_crtc *crtc;
3005 struct drm_framebuffer *fb;
3006 struct drm_pending_vblank_event *e = NULL;
3007 unsigned long flags;
3008 int ret = -EINVAL;
3009
3010 if (page_flip->flags & ~DRM_MODE_PAGE_FLIP_FLAGS ||
3011 page_flip->reserved != 0)
3012 return -EINVAL;
3013
3014 mutex_lock(&dev->mode_config.mutex);
3015 obj = drm_mode_object_find(dev, page_flip->crtc_id, DRM_MODE_OBJECT_CRTC);
3016 if (!obj)
3017 goto out;
3018 crtc = obj_to_crtc(obj);
3019
90c1efdd
CW		 3020 if (crtc->fb == NULL) {
3021 /* The framebuffer is currently unbound, presumably
3022 * due to a hotplug event, that userspace has not
3023 * yet discovered.
3024 */
3025 ret = -EBUSY;
3026 goto out;
3027 }
3028
d91d8a3f
KH		 3029 if (crtc->funcs->page_flip == NULL)
3030 goto out;
3031
3032 obj = drm_mode_object_find(dev, page_flip->fb_id, DRM_MODE_OBJECT_FB);
3033 if (!obj)
3034 goto out;
3035 fb = obj_to_fb(obj);
3036
3037 if (page_flip->flags & DRM_MODE_PAGE_FLIP_EVENT) {
3038 ret = -ENOMEM;
3039 spin_lock_irqsave(&dev->event_lock, flags);
3040 if (file_priv->event_space < sizeof e->event) {
3041 spin_unlock_irqrestore(&dev->event_lock, flags);
3042 goto out;
3043 }
3044 file_priv->event_space -= sizeof e->event;
3045 spin_unlock_irqrestore(&dev->event_lock, flags);
3046
3047 e = kzalloc(sizeof *e, GFP_KERNEL);
3048 if (e == NULL) {
3049 spin_lock_irqsave(&dev->event_lock, flags);
3050 file_priv->event_space += sizeof e->event;
3051 spin_unlock_irqrestore(&dev->event_lock, flags);
3052 goto out;
3053 }
3054
7bd4d7be 3055 e->event.base.type = DRM_EVENT_FLIP_COMPLETE;
d91d8a3f
KH		 3056 e->event.base.length = sizeof e->event;
3057 e->event.user_data = page_flip->user_data;
3058 e->base.event = &e->event.base;
3059 e->base.file_priv = file_priv;
3060 e->base.destroy =
3061 (void (*) (struct drm_pending_event *)) kfree;
3062 }
3063
3064 ret = crtc->funcs->page_flip(crtc, fb, e);
3065 if (ret) {
3066 spin_lock_irqsave(&dev->event_lock, flags);
3067 file_priv->event_space += sizeof e->event;
3068 spin_unlock_irqrestore(&dev->event_lock, flags);
3069 kfree(e);
3070 }
3071
3072out:
3073 mutex_unlock(&dev->mode_config.mutex);
3074 return ret;
3075}
eb033556
CW		 3076
3077void drm_mode_config_reset(struct drm_device *dev)
3078{
3079 struct drm_crtc *crtc;
3080 struct drm_encoder *encoder;
3081 struct drm_connector *connector;
3082
3083 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head)
3084 if (crtc->funcs->reset)
3085 crtc->funcs->reset(crtc);
3086
3087 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head)
3088 if (encoder->funcs->reset)
3089 encoder->funcs->reset(encoder);
3090
3091 list_for_each_entry(connector, &dev->mode_config.connector_list, head)
3092 if (connector->funcs->reset)
3093 connector->funcs->reset(connector);
3094}
3095EXPORT_SYMBOL(drm_mode_config_reset);
ff72145b
DA		 3096
3097int drm_mode_create_dumb_ioctl(struct drm_device *dev,
3098 void *data, struct drm_file *file_priv)
3099{
3100 struct drm_mode_create_dumb *args = data;
3101
3102 if (!dev->driver->dumb_create)
3103 return -ENOSYS;
3104 return dev->driver->dumb_create(file_priv, dev, args);
3105}
3106
3107int drm_mode_mmap_dumb_ioctl(struct drm_device *dev,
3108 void *data, struct drm_file *file_priv)
3109{
3110 struct drm_mode_map_dumb *args = data;
3111
3112 /* call driver ioctl to get mmap offset */
3113 if (!dev->driver->dumb_map_offset)
3114 return -ENOSYS;
3115
3116 return dev->driver->dumb_map_offset(file_priv, dev, args->handle, &args->offset);
3117}
3118
3119int drm_mode_destroy_dumb_ioctl(struct drm_device *dev,
3120 void *data, struct drm_file *file_priv)
3121{
3122 struct drm_mode_destroy_dumb *args = data;
3123
3124 if (!dev->driver->dumb_destroy)
3125 return -ENOSYS;
3126
3127 return dev->driver->dumb_destroy(file_priv, dev, args->handle);
3128}
248dbc23
DA		 3129
3130/*
3131 * Just need to support RGB formats here for compat with code that doesn't
3132 * use pixel formats directly yet.
3133 */
3134void drm_fb_get_bpp_depth(uint32_t format, unsigned int *depth,
3135 int *bpp)
3136{
3137 switch (format) {
04b3924d
VS		 3138 case DRM_FORMAT_RGB332:
3139 case DRM_FORMAT_BGR233:
248dbc23
DA		 3140 *depth = 8;
3141 *bpp = 8;
3142 break;
04b3924d
VS		 3143 case DRM_FORMAT_XRGB1555:
3144 case DRM_FORMAT_XBGR1555:
3145 case DRM_FORMAT_RGBX5551:
3146 case DRM_FORMAT_BGRX5551:
3147 case DRM_FORMAT_ARGB1555:
3148 case DRM_FORMAT_ABGR1555:
3149 case DRM_FORMAT_RGBA5551:
3150 case DRM_FORMAT_BGRA5551:
248dbc23
DA		 3151 *depth = 15;
3152 *bpp = 16;
3153 break;
04b3924d
VS		 3154 case DRM_FORMAT_RGB565:
3155 case DRM_FORMAT_BGR565:
248dbc23
DA		 3156 *depth = 16;
3157 *bpp = 16;
3158 break;
04b3924d
VS		 3159 case DRM_FORMAT_RGB888:
3160 case DRM_FORMAT_BGR888:
3161 *depth = 24;
3162 *bpp = 24;
3163 break;
3164 case DRM_FORMAT_XRGB8888:
3165 case DRM_FORMAT_XBGR8888:
3166 case DRM_FORMAT_RGBX8888:
3167 case DRM_FORMAT_BGRX8888:
248dbc23
DA		 3168 *depth = 24;
3169 *bpp = 32;
3170 break;
04b3924d
VS		 3171 case DRM_FORMAT_XRGB2101010:
3172 case DRM_FORMAT_XBGR2101010:
3173 case DRM_FORMAT_RGBX1010102:
3174 case DRM_FORMAT_BGRX1010102:
3175 case DRM_FORMAT_ARGB2101010:
3176 case DRM_FORMAT_ABGR2101010:
3177 case DRM_FORMAT_RGBA1010102:
3178 case DRM_FORMAT_BGRA1010102:
248dbc23
DA		 3179 *depth = 30;
3180 *bpp = 32;
3181 break;
04b3924d
VS		 3182 case DRM_FORMAT_ARGB8888:
3183 case DRM_FORMAT_ABGR8888:
3184 case DRM_FORMAT_RGBA8888:
3185 case DRM_FORMAT_BGRA8888:
248dbc23
DA		 3186 *depth = 32;
3187 *bpp = 32;
3188 break;
3189 default:
3190 DRM_DEBUG_KMS("unsupported pixel format\n");
3191 *depth = 0;
3192 *bpp = 0;
3193 break;
3194 }
3195}
3196EXPORT_SYMBOL(drm_fb_get_bpp_depth);
Linux kernel - Deliverables
This page took 0.426718 seconds and 5 git commands to generate.