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drm: plane: Check source coordinates
[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;
42ef8789 1664 unsigned int fb_width, fb_height;
8cf5c917
JB		 1665
1666 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1667 return -EINVAL;
1668
1669 mutex_lock(&dev->mode_config.mutex);
1670
1671 /*
1672 * First, find the plane, crtc, and fb objects. If not available,
1673 * we don't bother to call the driver.
1674 */
1675 obj = drm_mode_object_find(dev, plane_req->plane_id,
1676 DRM_MODE_OBJECT_PLANE);
1677 if (!obj) {
1678 DRM_DEBUG_KMS("Unknown plane ID %d\n",
1679 plane_req->plane_id);
1680 ret = -ENOENT;
1681 goto out;
1682 }
1683 plane = obj_to_plane(obj);
1684
1685 /* No fb means shut it down */
1686 if (!plane_req->fb_id) {
1687 plane->funcs->disable_plane(plane);
e5e3b44c
VS		 1688 plane->crtc = NULL;
1689 plane->fb = NULL;
8cf5c917
JB		 1690 goto out;
1691 }
1692
1693 obj = drm_mode_object_find(dev, plane_req->crtc_id,
1694 DRM_MODE_OBJECT_CRTC);
1695 if (!obj) {
1696 DRM_DEBUG_KMS("Unknown crtc ID %d\n",
1697 plane_req->crtc_id);
1698 ret = -ENOENT;
1699 goto out;
1700 }
1701 crtc = obj_to_crtc(obj);
1702
1703 obj = drm_mode_object_find(dev, plane_req->fb_id,
1704 DRM_MODE_OBJECT_FB);
1705 if (!obj) {
1706 DRM_DEBUG_KMS("Unknown framebuffer ID %d\n",
1707 plane_req->fb_id);
1708 ret = -ENOENT;
1709 goto out;
1710 }
1711 fb = obj_to_fb(obj);
1712
42ef8789
VS		 1713 fb_width = fb->width << 16;
1714 fb_height = fb->height << 16;
1715
1716 /* Make sure source coordinates are inside the fb. */
1717 if (plane_req->src_w > fb_width ||
1718 plane_req->src_x > fb_width - plane_req->src_w ||
1719 plane_req->src_h > fb_height ||
1720 plane_req->src_y > fb_height - plane_req->src_h) {
1721 DRM_DEBUG_KMS("Invalid source coordinates "
1722 "%u.%06ux%u.%06u+%u.%06u+%u.%06u\n",
1723 plane_req->src_w >> 16,
1724 ((plane_req->src_w & 0xffff) * 15625) >> 10,
1725 plane_req->src_h >> 16,
1726 ((plane_req->src_h & 0xffff) * 15625) >> 10,
1727 plane_req->src_x >> 16,
1728 ((plane_req->src_x & 0xffff) * 15625) >> 10,
1729 plane_req->src_y >> 16,
1730 ((plane_req->src_y & 0xffff) * 15625) >> 10);
1731 ret = -ENOSPC;
1732 goto out;
1733 }
1734
8cf5c917
JB		 1735 ret = plane->funcs->update_plane(plane, crtc, fb,
1736 plane_req->crtc_x, plane_req->crtc_y,
1737 plane_req->crtc_w, plane_req->crtc_h,
1738 plane_req->src_x, plane_req->src_y,
1739 plane_req->src_w, plane_req->src_h);
1740 if (!ret) {
1741 plane->crtc = crtc;
1742 plane->fb = fb;
1743 }
1744
1745out:
1746 mutex_unlock(&dev->mode_config.mutex);
1747
1748 return ret;
1749}
1750
f453ba04
DA		 1751/**
1752 * drm_mode_setcrtc - set CRTC configuration
1753 * @inode: inode from the ioctl
1754 * @filp: file * from the ioctl
1755 * @cmd: cmd from ioctl
1756 * @arg: arg from ioctl
1757 *
1758 * LOCKING:
1759 * Caller? (FIXME)
1760 *
1761 * Build a new CRTC configuration based on user request.
1762 *
1763 * Called by the user via ioctl.
1764 *
1765 * RETURNS:
1766 * Zero on success, errno on failure.
1767 */
1768int drm_mode_setcrtc(struct drm_device *dev, void *data,
1769 struct drm_file *file_priv)
1770{
1771 struct drm_mode_config *config = &dev->mode_config;
1772 struct drm_mode_crtc *crtc_req = data;
1773 struct drm_mode_object *obj;
1774 struct drm_crtc *crtc, *crtcfb;
1775 struct drm_connector **connector_set = NULL, *connector;
1776 struct drm_framebuffer *fb = NULL;
1777 struct drm_display_mode *mode = NULL;
1778 struct drm_mode_set set;
1779 uint32_t __user *set_connectors_ptr;
1780 int ret = 0;
1781 int i;
1782
fb3b06c8
DA		 1783 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1784 return -EINVAL;
1785
f453ba04
DA		 1786 mutex_lock(&dev->mode_config.mutex);
1787 obj = drm_mode_object_find(dev, crtc_req->crtc_id,
1788 DRM_MODE_OBJECT_CRTC);
1789 if (!obj) {
58367ed6 1790 DRM_DEBUG_KMS("Unknown CRTC ID %d\n", crtc_req->crtc_id);
f453ba04
DA		 1791 ret = -EINVAL;
1792 goto out;
1793 }
1794 crtc = obj_to_crtc(obj);
9440106b 1795 DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id);
f453ba04
DA		 1796
1797 if (crtc_req->mode_valid) {
1798 /* If we have a mode we need a framebuffer. */
1799 /* If we pass -1, set the mode with the currently bound fb */
1800 if (crtc_req->fb_id == -1) {
1801 list_for_each_entry(crtcfb,
1802 &dev->mode_config.crtc_list, head) {
1803 if (crtcfb == crtc) {
58367ed6
ZY		 1804 DRM_DEBUG_KMS("Using current fb for "
1805 "setmode\n");
f453ba04
DA		 1806 fb = crtc->fb;
1807 }
1808 }
1809 } else {
1810 obj = drm_mode_object_find(dev, crtc_req->fb_id,
1811 DRM_MODE_OBJECT_FB);
1812 if (!obj) {
58367ed6
ZY		 1813 DRM_DEBUG_KMS("Unknown FB ID%d\n",
1814 crtc_req->fb_id);
f453ba04
DA		 1815 ret = -EINVAL;
1816 goto out;
1817 }
1818 fb = obj_to_fb(obj);
1819 }
1820
1821 mode = drm_mode_create(dev);
1822 drm_crtc_convert_umode(mode, &crtc_req->mode);
1823 drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V);
1824 }
1825
1826 if (crtc_req->count_connectors == 0 && mode) {
58367ed6 1827 DRM_DEBUG_KMS("Count connectors is 0 but mode set\n");
f453ba04
DA		 1828 ret = -EINVAL;
1829 goto out;
1830 }
1831
7781de74 1832 if (crtc_req->count_connectors > 0 && (!mode || !fb)) {
58367ed6 1833 DRM_DEBUG_KMS("Count connectors is %d but no mode or fb set\n",
f453ba04
DA		 1834 crtc_req->count_connectors);
1835 ret = -EINVAL;
1836 goto out;
1837 }
1838
1839 if (crtc_req->count_connectors > 0) {
1840 u32 out_id;
1841
1842 /* Avoid unbounded kernel memory allocation */
1843 if (crtc_req->count_connectors > config->num_connector) {
1844 ret = -EINVAL;
1845 goto out;
1846 }
1847
1848 connector_set = kmalloc(crtc_req->count_connectors *
1849 sizeof(struct drm_connector *),
1850 GFP_KERNEL);
1851 if (!connector_set) {
1852 ret = -ENOMEM;
1853 goto out;
1854 }
1855
1856 for (i = 0; i < crtc_req->count_connectors; i++) {
81f6c7f8 1857 set_connectors_ptr = (uint32_t __user *)(unsigned long)crtc_req->set_connectors_ptr;
f453ba04
DA		 1858 if (get_user(out_id, &set_connectors_ptr[i])) {
1859 ret = -EFAULT;
1860 goto out;
1861 }
1862
1863 obj = drm_mode_object_find(dev, out_id,
1864 DRM_MODE_OBJECT_CONNECTOR);
1865 if (!obj) {
58367ed6
ZY		 1866 DRM_DEBUG_KMS("Connector id %d unknown\n",
1867 out_id);
f453ba04
DA		 1868 ret = -EINVAL;
1869 goto out;
1870 }
1871 connector = obj_to_connector(obj);
9440106b
JG		 1872 DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
1873 connector->base.id,
1874 drm_get_connector_name(connector));
f453ba04
DA		 1875
1876 connector_set[i] = connector;
1877 }
1878 }
1879
1880 set.crtc = crtc;
1881 set.x = crtc_req->x;
1882 set.y = crtc_req->y;
1883 set.mode = mode;
1884 set.connectors = connector_set;
1885 set.num_connectors = crtc_req->count_connectors;
5ef5f72f 1886 set.fb = fb;
f453ba04
DA		 1887 ret = crtc->funcs->set_config(&set);
1888
1889out:
1890 kfree(connector_set);
1891 mutex_unlock(&dev->mode_config.mutex);
1892 return ret;
1893}
1894
1895int drm_mode_cursor_ioctl(struct drm_device *dev,
1896 void *data, struct drm_file *file_priv)
1897{
1898 struct drm_mode_cursor *req = data;
1899 struct drm_mode_object *obj;
1900 struct drm_crtc *crtc;
1901 int ret = 0;
1902
fb3b06c8
DA		 1903 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1904 return -EINVAL;
1905
acb4b992 1906 if (!req->flags)
f453ba04 1907 return -EINVAL;
f453ba04
DA		 1908
1909 mutex_lock(&dev->mode_config.mutex);
e0c8463a 1910 obj = drm_mode_object_find(dev, req->crtc_id, DRM_MODE_OBJECT_CRTC);
f453ba04 1911 if (!obj) {
58367ed6 1912 DRM_DEBUG_KMS("Unknown CRTC ID %d\n", req->crtc_id);
f453ba04
DA		 1913 ret = -EINVAL;
1914 goto out;
1915 }
1916 crtc = obj_to_crtc(obj);
1917
1918 if (req->flags & DRM_MODE_CURSOR_BO) {
1919 if (!crtc->funcs->cursor_set) {
f453ba04
DA		 1920 ret = -ENXIO;
1921 goto out;
1922 }
1923 /* Turns off the cursor if handle is 0 */
1924 ret = crtc->funcs->cursor_set(crtc, file_priv, req->handle,
1925 req->width, req->height);
1926 }
1927
1928 if (req->flags & DRM_MODE_CURSOR_MOVE) {
1929 if (crtc->funcs->cursor_move) {
1930 ret = crtc->funcs->cursor_move(crtc, req->x, req->y);
1931 } else {
f453ba04
DA		 1932 ret = -EFAULT;
1933 goto out;
1934 }
1935 }
1936out:
1937 mutex_unlock(&dev->mode_config.mutex);
1938 return ret;
1939}
1940
308e5bcb
JB		 1941/* Original addfb only supported RGB formats, so figure out which one */
1942uint32_t drm_mode_legacy_fb_format(uint32_t bpp, uint32_t depth)
1943{
1944 uint32_t fmt;
1945
1946 switch (bpp) {
1947 case 8:
04b3924d 1948 fmt = DRM_FORMAT_RGB332;
308e5bcb
JB		 1949 break;
1950 case 16:
1951 if (depth == 15)
04b3924d 1952 fmt = DRM_FORMAT_XRGB1555;
308e5bcb 1953 else
04b3924d 1954 fmt = DRM_FORMAT_RGB565;
308e5bcb
JB		 1955 break;
1956 case 24:
04b3924d 1957 fmt = DRM_FORMAT_RGB888;
308e5bcb
JB		 1958 break;
1959 case 32:
1960 if (depth == 24)
04b3924d 1961 fmt = DRM_FORMAT_XRGB8888;
308e5bcb 1962 else if (depth == 30)
04b3924d 1963 fmt = DRM_FORMAT_XRGB2101010;
308e5bcb 1964 else
04b3924d 1965 fmt = DRM_FORMAT_ARGB8888;
308e5bcb
JB		 1966 break;
1967 default:
04b3924d
VS		 1968 DRM_ERROR("bad bpp, assuming x8r8g8b8 pixel format\n");
1969 fmt = DRM_FORMAT_XRGB8888;
308e5bcb
JB		 1970 break;
1971 }
1972
1973 return fmt;
1974}
1975EXPORT_SYMBOL(drm_mode_legacy_fb_format);
1976
f453ba04
DA		 1977/**
1978 * drm_mode_addfb - add an FB to the graphics configuration
1979 * @inode: inode from the ioctl
1980 * @filp: file * from the ioctl
1981 * @cmd: cmd from ioctl
1982 * @arg: arg from ioctl
1983 *
1984 * LOCKING:
1985 * Takes mode config lock.
1986 *
1987 * Add a new FB to the specified CRTC, given a user request.
1988 *
1989 * Called by the user via ioctl.
1990 *
1991 * RETURNS:
1992 * Zero on success, errno on failure.
1993 */
1994int drm_mode_addfb(struct drm_device *dev,
1995 void *data, struct drm_file *file_priv)
1996{
308e5bcb
JB		 1997 struct drm_mode_fb_cmd *or = data;
1998 struct drm_mode_fb_cmd2 r = {};
1999 struct drm_mode_config *config = &dev->mode_config;
2000 struct drm_framebuffer *fb;
2001 int ret = 0;
2002
2003 /* Use new struct with format internally */
2004 r.fb_id = or->fb_id;
2005 r.width = or->width;
2006 r.height = or->height;
2007 r.pitches[0] = or->pitch;
2008 r.pixel_format = drm_mode_legacy_fb_format(or->bpp, or->depth);
2009 r.handles[0] = or->handle;
2010
2011 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2012 return -EINVAL;
2013
acb4b992 2014 if ((config->min_width > r.width) || (r.width > config->max_width))
308e5bcb 2015 return -EINVAL;
acb4b992
JB		 2016
2017 if ((config->min_height > r.height) || (r.height > config->max_height))
308e5bcb 2018 return -EINVAL;
308e5bcb
JB		 2019
2020 mutex_lock(&dev->mode_config.mutex);
2021
2022 /* TODO check buffer is sufficiently large */
2023 /* TODO setup destructor callback */
2024
2025 fb = dev->mode_config.funcs->fb_create(dev, file_priv, &r);
2026 if (IS_ERR(fb)) {
2027 DRM_ERROR("could not create framebuffer\n");
2028 ret = PTR_ERR(fb);
2029 goto out;
2030 }
2031
2032 or->fb_id = fb->base.id;
2033 list_add(&fb->filp_head, &file_priv->fbs);
2034 DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id);
2035
2036out:
2037 mutex_unlock(&dev->mode_config.mutex);
2038 return ret;
2039}
2040
2041/**
2042 * drm_mode_addfb2 - add an FB to the graphics configuration
2043 * @inode: inode from the ioctl
2044 * @filp: file * from the ioctl
2045 * @cmd: cmd from ioctl
2046 * @arg: arg from ioctl
2047 *
2048 * LOCKING:
2049 * Takes mode config lock.
2050 *
2051 * Add a new FB to the specified CRTC, given a user request with format.
2052 *
2053 * Called by the user via ioctl.
2054 *
2055 * RETURNS:
2056 * Zero on success, errno on failure.
2057 */
2058int drm_mode_addfb2(struct drm_device *dev,
2059 void *data, struct drm_file *file_priv)
2060{
2061 struct drm_mode_fb_cmd2 *r = data;
f453ba04
DA		 2062 struct drm_mode_config *config = &dev->mode_config;
2063 struct drm_framebuffer *fb;
2064 int ret = 0;
2065
fb3b06c8
DA		 2066 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2067 return -EINVAL;
2068
f453ba04 2069 if ((config->min_width > r->width) || (r->width > config->max_width)) {
8cf5c917
JB		 2070 DRM_ERROR("bad framebuffer width %d, should be >= %d && <= %d\n",
2071 r->width, config->min_width, config->max_width);
f453ba04
DA		 2072 return -EINVAL;
2073 }
2074 if ((config->min_height > r->height) || (r->height > config->max_height)) {
8cf5c917
JB		 2075 DRM_ERROR("bad framebuffer height %d, should be >= %d && <= %d\n",
2076 r->height, config->min_height, config->max_height);
f453ba04
DA		 2077 return -EINVAL;
2078 }
2079
2080 mutex_lock(&dev->mode_config.mutex);
2081
f453ba04 2082 fb = dev->mode_config.funcs->fb_create(dev, file_priv, r);
cce13ff7 2083 if (IS_ERR(fb)) {
f453ba04 2084 DRM_ERROR("could not create framebuffer\n");
cce13ff7 2085 ret = PTR_ERR(fb);
f453ba04
DA		 2086 goto out;
2087 }
2088
e0c8463a 2089 r->fb_id = fb->base.id;
f453ba04 2090 list_add(&fb->filp_head, &file_priv->fbs);
9440106b 2091 DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id);
f453ba04
DA		 2092
2093out:
2094 mutex_unlock(&dev->mode_config.mutex);
2095 return ret;
2096}
2097
2098/**
2099 * drm_mode_rmfb - remove an FB from the configuration
2100 * @inode: inode from the ioctl
2101 * @filp: file * from the ioctl
2102 * @cmd: cmd from ioctl
2103 * @arg: arg from ioctl
2104 *
2105 * LOCKING:
2106 * Takes mode config lock.
2107 *
2108 * Remove the FB specified by the user.
2109 *
2110 * Called by the user via ioctl.
2111 *
2112 * RETURNS:
2113 * Zero on success, errno on failure.
2114 */
2115int drm_mode_rmfb(struct drm_device *dev,
2116 void *data, struct drm_file *file_priv)
2117{
2118 struct drm_mode_object *obj;
2119 struct drm_framebuffer *fb = NULL;
2120 struct drm_framebuffer *fbl = NULL;
2121 uint32_t *id = data;
2122 int ret = 0;
2123 int found = 0;
2124
fb3b06c8
DA		 2125 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2126 return -EINVAL;
2127
f453ba04
DA		 2128 mutex_lock(&dev->mode_config.mutex);
2129 obj = drm_mode_object_find(dev, *id, DRM_MODE_OBJECT_FB);
25985edc 2130 /* TODO check that we really get a framebuffer back. */
f453ba04 2131 if (!obj) {
f453ba04
DA		 2132 ret = -EINVAL;
2133 goto out;
2134 }
2135 fb = obj_to_fb(obj);
2136
2137 list_for_each_entry(fbl, &file_priv->fbs, filp_head)
2138 if (fb == fbl)
2139 found = 1;
2140
2141 if (!found) {
f453ba04
DA		 2142 ret = -EINVAL;
2143 goto out;
2144 }
2145
2146 /* TODO release all crtc connected to the framebuffer */
2147 /* TODO unhock the destructor from the buffer object */
2148
2149 list_del(&fb->filp_head);
2150 fb->funcs->destroy(fb);
2151
2152out:
2153 mutex_unlock(&dev->mode_config.mutex);
2154 return ret;
2155}
2156
2157/**
2158 * drm_mode_getfb - get FB info
2159 * @inode: inode from the ioctl
2160 * @filp: file * from the ioctl
2161 * @cmd: cmd from ioctl
2162 * @arg: arg from ioctl
2163 *
2164 * LOCKING:
2165 * Caller? (FIXME)
2166 *
2167 * Lookup the FB given its ID and return info about it.
2168 *
2169 * Called by the user via ioctl.
2170 *
2171 * RETURNS:
2172 * Zero on success, errno on failure.
2173 */
2174int drm_mode_getfb(struct drm_device *dev,
2175 void *data, struct drm_file *file_priv)
2176{
2177 struct drm_mode_fb_cmd *r = data;
2178 struct drm_mode_object *obj;
2179 struct drm_framebuffer *fb;
2180 int ret = 0;
2181
fb3b06c8
DA		 2182 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2183 return -EINVAL;
2184
f453ba04 2185 mutex_lock(&dev->mode_config.mutex);
e0c8463a 2186 obj = drm_mode_object_find(dev, r->fb_id, DRM_MODE_OBJECT_FB);
f453ba04 2187 if (!obj) {
f453ba04
DA		 2188 ret = -EINVAL;
2189 goto out;
2190 }
2191 fb = obj_to_fb(obj);
2192
2193 r->height = fb->height;
2194 r->width = fb->width;
2195 r->depth = fb->depth;
2196 r->bpp = fb->bits_per_pixel;
2197 r->pitch = fb->pitch;
2198 fb->funcs->create_handle(fb, file_priv, &r->handle);
2199
2200out:
2201 mutex_unlock(&dev->mode_config.mutex);
2202 return ret;
2203}
2204
884840aa
JB		 2205int drm_mode_dirtyfb_ioctl(struct drm_device *dev,
2206 void *data, struct drm_file *file_priv)
2207{
2208 struct drm_clip_rect __user *clips_ptr;
2209 struct drm_clip_rect *clips = NULL;
2210 struct drm_mode_fb_dirty_cmd *r = data;
2211 struct drm_mode_object *obj;
2212 struct drm_framebuffer *fb;
2213 unsigned flags;
2214 int num_clips;
2215 int ret = 0;
2216
fb3b06c8
DA		 2217 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2218 return -EINVAL;
2219
884840aa
JB		 2220 mutex_lock(&dev->mode_config.mutex);
2221 obj = drm_mode_object_find(dev, r->fb_id, DRM_MODE_OBJECT_FB);
2222 if (!obj) {
884840aa
JB		 2223 ret = -EINVAL;
2224 goto out_err1;
2225 }
2226 fb = obj_to_fb(obj);
2227
2228 num_clips = r->num_clips;
81f6c7f8 2229 clips_ptr = (struct drm_clip_rect __user *)(unsigned long)r->clips_ptr;
884840aa
JB		 2230
2231 if (!num_clips != !clips_ptr) {
2232 ret = -EINVAL;
2233 goto out_err1;
2234 }
2235
2236 flags = DRM_MODE_FB_DIRTY_FLAGS & r->flags;
2237
2238 /* If userspace annotates copy, clips must come in pairs */
2239 if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY && (num_clips % 2)) {
2240 ret = -EINVAL;
2241 goto out_err1;
2242 }
2243
2244 if (num_clips && clips_ptr) {
2245 clips = kzalloc(num_clips * sizeof(*clips), GFP_KERNEL);
2246 if (!clips) {
2247 ret = -ENOMEM;
2248 goto out_err1;
2249 }
2250
2251 ret = copy_from_user(clips, clips_ptr,
2252 num_clips * sizeof(*clips));
e902a358
DC		 2253 if (ret) {
2254 ret = -EFAULT;
884840aa 2255 goto out_err2;
e902a358 2256 }
884840aa
JB		 2257 }
2258
2259 if (fb->funcs->dirty) {
02b00162
TH		 2260 ret = fb->funcs->dirty(fb, file_priv, flags, r->color,
2261 clips, num_clips);
884840aa
JB		 2262 } else {
2263 ret = -ENOSYS;
2264 goto out_err2;
2265 }
2266
2267out_err2:
2268 kfree(clips);
2269out_err1:
2270 mutex_unlock(&dev->mode_config.mutex);
2271 return ret;
2272}
2273
2274
f453ba04
DA		 2275/**
2276 * drm_fb_release - remove and free the FBs on this file
2277 * @filp: file * from the ioctl
2278 *
2279 * LOCKING:
2280 * Takes mode config lock.
2281 *
2282 * Destroy all the FBs associated with @filp.
2283 *
2284 * Called by the user via ioctl.
2285 *
2286 * RETURNS:
2287 * Zero on success, errno on failure.
2288 */
ea39f835 2289void drm_fb_release(struct drm_file *priv)
f453ba04 2290{
f453ba04
DA		 2291 struct drm_device *dev = priv->minor->dev;
2292 struct drm_framebuffer *fb, *tfb;
2293
2294 mutex_lock(&dev->mode_config.mutex);
2295 list_for_each_entry_safe(fb, tfb, &priv->fbs, filp_head) {
2296 list_del(&fb->filp_head);
2297 fb->funcs->destroy(fb);
2298 }
2299 mutex_unlock(&dev->mode_config.mutex);
2300}
2301
2302/**
2303 * drm_mode_attachmode - add a mode to the user mode list
2304 * @dev: DRM device
2305 * @connector: connector to add the mode to
2306 * @mode: mode to add
2307 *
2308 * Add @mode to @connector's user mode list.
2309 */
2310static int drm_mode_attachmode(struct drm_device *dev,
2311 struct drm_connector *connector,
2312 struct drm_display_mode *mode)
2313{
2314 int ret = 0;
2315
2316 list_add_tail(&mode->head, &connector->user_modes);
2317 return ret;
2318}
2319
2320int drm_mode_attachmode_crtc(struct drm_device *dev, struct drm_crtc *crtc,
2321 struct drm_display_mode *mode)
2322{
2323 struct drm_connector *connector;
2324 int ret = 0;
2325 struct drm_display_mode *dup_mode;
2326 int need_dup = 0;
2327 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
2328 if (!connector->encoder)
2329 break;
2330 if (connector->encoder->crtc == crtc) {
2331 if (need_dup)
2332 dup_mode = drm_mode_duplicate(dev, mode);
2333 else
2334 dup_mode = mode;
2335 ret = drm_mode_attachmode(dev, connector, dup_mode);
2336 if (ret)
2337 return ret;
2338 need_dup = 1;
2339 }
2340 }
2341 return 0;
2342}
2343EXPORT_SYMBOL(drm_mode_attachmode_crtc);
2344
2345static int drm_mode_detachmode(struct drm_device *dev,
2346 struct drm_connector *connector,
2347 struct drm_display_mode *mode)
2348{
2349 int found = 0;
2350 int ret = 0;
2351 struct drm_display_mode *match_mode, *t;
2352
2353 list_for_each_entry_safe(match_mode, t, &connector->user_modes, head) {
2354 if (drm_mode_equal(match_mode, mode)) {
2355 list_del(&match_mode->head);
2356 drm_mode_destroy(dev, match_mode);
2357 found = 1;
2358 break;
2359 }
2360 }
2361
2362 if (!found)
2363 ret = -EINVAL;
2364
2365 return ret;
2366}
2367
2368int drm_mode_detachmode_crtc(struct drm_device *dev, struct drm_display_mode *mode)
2369{
2370 struct drm_connector *connector;
2371
2372 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
2373 drm_mode_detachmode(dev, connector, mode);
2374 }
2375 return 0;
2376}
2377EXPORT_SYMBOL(drm_mode_detachmode_crtc);
2378
2379/**
2380 * drm_fb_attachmode - Attach a user mode to an connector
2381 * @inode: inode from the ioctl
2382 * @filp: file * from the ioctl
2383 * @cmd: cmd from ioctl
2384 * @arg: arg from ioctl
2385 *
2386 * This attaches a user specified mode to an connector.
2387 * Called by the user via ioctl.
2388 *
2389 * RETURNS:
2390 * Zero on success, errno on failure.
2391 */
2392int drm_mode_attachmode_ioctl(struct drm_device *dev,
2393 void *data, struct drm_file *file_priv)
2394{
2395 struct drm_mode_mode_cmd *mode_cmd = data;
2396 struct drm_connector *connector;
2397 struct drm_display_mode *mode;
2398 struct drm_mode_object *obj;
2399 struct drm_mode_modeinfo *umode = &mode_cmd->mode;
2400 int ret = 0;
2401
fb3b06c8
DA		 2402 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2403 return -EINVAL;
2404
f453ba04
DA		 2405 mutex_lock(&dev->mode_config.mutex);
2406
2407 obj = drm_mode_object_find(dev, mode_cmd->connector_id, DRM_MODE_OBJECT_CONNECTOR);
2408 if (!obj) {
2409 ret = -EINVAL;
2410 goto out;
2411 }
2412 connector = obj_to_connector(obj);
2413
2414 mode = drm_mode_create(dev);
2415 if (!mode) {
2416 ret = -ENOMEM;
2417 goto out;
2418 }
2419
2420 drm_crtc_convert_umode(mode, umode);
2421
2422 ret = drm_mode_attachmode(dev, connector, mode);
2423out:
2424 mutex_unlock(&dev->mode_config.mutex);
2425 return ret;
2426}
2427
2428
2429/**
2430 * drm_fb_detachmode - Detach a user specified mode from an connector
2431 * @inode: inode from the ioctl
2432 * @filp: file * from the ioctl
2433 * @cmd: cmd from ioctl
2434 * @arg: arg from ioctl
2435 *
2436 * Called by the user via ioctl.
2437 *
2438 * RETURNS:
2439 * Zero on success, errno on failure.
2440 */
2441int drm_mode_detachmode_ioctl(struct drm_device *dev,
2442 void *data, struct drm_file *file_priv)
2443{
2444 struct drm_mode_object *obj;
2445 struct drm_mode_mode_cmd *mode_cmd = data;
2446 struct drm_connector *connector;
2447 struct drm_display_mode mode;
2448 struct drm_mode_modeinfo *umode = &mode_cmd->mode;
2449 int ret = 0;
2450
fb3b06c8
DA		 2451 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2452 return -EINVAL;
2453
f453ba04
DA		 2454 mutex_lock(&dev->mode_config.mutex);
2455
2456 obj = drm_mode_object_find(dev, mode_cmd->connector_id, DRM_MODE_OBJECT_CONNECTOR);
2457 if (!obj) {
2458 ret = -EINVAL;
2459 goto out;
2460 }
2461 connector = obj_to_connector(obj);
2462
2463 drm_crtc_convert_umode(&mode, umode);
2464 ret = drm_mode_detachmode(dev, connector, &mode);
2465out:
2466 mutex_unlock(&dev->mode_config.mutex);
2467 return ret;
2468}
2469
2470struct drm_property *drm_property_create(struct drm_device *dev, int flags,
2471 const char *name, int num_values)
2472{
2473 struct drm_property *property = NULL;
2474
2475 property = kzalloc(sizeof(struct drm_property), GFP_KERNEL);
2476 if (!property)
2477 return NULL;
2478
2479 if (num_values) {
2480 property->values = kzalloc(sizeof(uint64_t)*num_values, GFP_KERNEL);
2481 if (!property->values)
2482 goto fail;
2483 }
2484
2485 drm_mode_object_get(dev, &property->base, DRM_MODE_OBJECT_PROPERTY);
2486 property->flags = flags;
2487 property->num_values = num_values;
2488 INIT_LIST_HEAD(&property->enum_blob_list);
2489
2490 if (name)
2491 strncpy(property->name, name, DRM_PROP_NAME_LEN);
2492
2493 list_add_tail(&property->head, &dev->mode_config.property_list);
2494 return property;
2495fail:
2496 kfree(property);
2497 return NULL;
2498}
2499EXPORT_SYMBOL(drm_property_create);
2500
2501int drm_property_add_enum(struct drm_property *property, int index,
2502 uint64_t value, const char *name)
2503{
2504 struct drm_property_enum *prop_enum;
2505
2506 if (!(property->flags & DRM_MODE_PROP_ENUM))
2507 return -EINVAL;
2508
2509 if (!list_empty(&property->enum_blob_list)) {
2510 list_for_each_entry(prop_enum, &property->enum_blob_list, head) {
2511 if (prop_enum->value == value) {
2512 strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN);
2513 prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0';
2514 return 0;
2515 }
2516 }
2517 }
2518
2519 prop_enum = kzalloc(sizeof(struct drm_property_enum), GFP_KERNEL);
2520 if (!prop_enum)
2521 return -ENOMEM;
2522
2523 strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN);
2524 prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0';
2525 prop_enum->value = value;
2526
2527 property->values[index] = value;
2528 list_add_tail(&prop_enum->head, &property->enum_blob_list);
2529 return 0;
2530}
2531EXPORT_SYMBOL(drm_property_add_enum);
2532
2533void drm_property_destroy(struct drm_device *dev, struct drm_property *property)
2534{
2535 struct drm_property_enum *prop_enum, *pt;
2536
2537 list_for_each_entry_safe(prop_enum, pt, &property->enum_blob_list, head) {
2538 list_del(&prop_enum->head);
2539 kfree(prop_enum);
2540 }
2541
2542 if (property->num_values)
2543 kfree(property->values);
2544 drm_mode_object_put(dev, &property->base);
2545 list_del(&property->head);
2546 kfree(property);
2547}
2548EXPORT_SYMBOL(drm_property_destroy);
2549
2550int drm_connector_attach_property(struct drm_connector *connector,
2551 struct drm_property *property, uint64_t init_val)
2552{
2553 int i;
2554
2555 for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
2556 if (connector->property_ids[i] == 0) {
2557 connector->property_ids[i] = property->base.id;
2558 connector->property_values[i] = init_val;
2559 break;
2560 }
2561 }
2562
2563 if (i == DRM_CONNECTOR_MAX_PROPERTY)
2564 return -EINVAL;
2565 return 0;
2566}
2567EXPORT_SYMBOL(drm_connector_attach_property);
2568
2569int drm_connector_property_set_value(struct drm_connector *connector,
2570 struct drm_property *property, uint64_t value)
2571{
2572 int i;
2573
2574 for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
2575 if (connector->property_ids[i] == property->base.id) {
2576 connector->property_values[i] = value;
2577 break;
2578 }
2579 }
2580
2581 if (i == DRM_CONNECTOR_MAX_PROPERTY)
2582 return -EINVAL;
2583 return 0;
2584}
2585EXPORT_SYMBOL(drm_connector_property_set_value);
2586
2587int drm_connector_property_get_value(struct drm_connector *connector,
2588 struct drm_property *property, uint64_t *val)
2589{
2590 int i;
2591
2592 for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
2593 if (connector->property_ids[i] == property->base.id) {
2594 *val = connector->property_values[i];
2595 break;
2596 }
2597 }
2598
2599 if (i == DRM_CONNECTOR_MAX_PROPERTY)
2600 return -EINVAL;
2601 return 0;
2602}
2603EXPORT_SYMBOL(drm_connector_property_get_value);
2604
2605int drm_mode_getproperty_ioctl(struct drm_device *dev,
2606 void *data, struct drm_file *file_priv)
2607{
2608 struct drm_mode_object *obj;
2609 struct drm_mode_get_property *out_resp = data;
2610 struct drm_property *property;
2611 int enum_count = 0;
2612 int blob_count = 0;
2613 int value_count = 0;
2614 int ret = 0, i;
2615 int copied;
2616 struct drm_property_enum *prop_enum;
2617 struct drm_mode_property_enum __user *enum_ptr;
2618 struct drm_property_blob *prop_blob;
81f6c7f8 2619 uint32_t __user *blob_id_ptr;
f453ba04
DA		 2620 uint64_t __user *values_ptr;
2621 uint32_t __user *blob_length_ptr;
2622
fb3b06c8
DA		 2623 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2624 return -EINVAL;
2625
f453ba04
DA		 2626 mutex_lock(&dev->mode_config.mutex);
2627 obj = drm_mode_object_find(dev, out_resp->prop_id, DRM_MODE_OBJECT_PROPERTY);
2628 if (!obj) {
2629 ret = -EINVAL;
2630 goto done;
2631 }
2632 property = obj_to_property(obj);
2633
2634 if (property->flags & DRM_MODE_PROP_ENUM) {
2635 list_for_each_entry(prop_enum, &property->enum_blob_list, head)
2636 enum_count++;
2637 } else if (property->flags & DRM_MODE_PROP_BLOB) {
2638 list_for_each_entry(prop_blob, &property->enum_blob_list, head)
2639 blob_count++;
2640 }
2641
2642 value_count = property->num_values;
2643
2644 strncpy(out_resp->name, property->name, DRM_PROP_NAME_LEN);
2645 out_resp->name[DRM_PROP_NAME_LEN-1] = 0;
2646 out_resp->flags = property->flags;
2647
2648 if ((out_resp->count_values >= value_count) && value_count) {
81f6c7f8 2649 values_ptr = (uint64_t __user *)(unsigned long)out_resp->values_ptr;
f453ba04
DA		 2650 for (i = 0; i < value_count; i++) {
2651 if (copy_to_user(values_ptr + i, &property->values[i], sizeof(uint64_t))) {
2652 ret = -EFAULT;
2653 goto done;
2654 }
2655 }
2656 }
2657 out_resp->count_values = value_count;
2658
2659 if (property->flags & DRM_MODE_PROP_ENUM) {
2660 if ((out_resp->count_enum_blobs >= enum_count) && enum_count) {
2661 copied = 0;
81f6c7f8 2662 enum_ptr = (struct drm_mode_property_enum __user *)(unsigned long)out_resp->enum_blob_ptr;
f453ba04
DA		 2663 list_for_each_entry(prop_enum, &property->enum_blob_list, head) {
2664
2665 if (copy_to_user(&enum_ptr[copied].value, &prop_enum->value, sizeof(uint64_t))) {
2666 ret = -EFAULT;
2667 goto done;
2668 }
2669
2670 if (copy_to_user(&enum_ptr[copied].name,
2671 &prop_enum->name, DRM_PROP_NAME_LEN)) {
2672 ret = -EFAULT;
2673 goto done;
2674 }
2675 copied++;
2676 }
2677 }
2678 out_resp->count_enum_blobs = enum_count;
2679 }
2680
2681 if (property->flags & DRM_MODE_PROP_BLOB) {
2682 if ((out_resp->count_enum_blobs >= blob_count) && blob_count) {
2683 copied = 0;
81f6c7f8
VS		 2684 blob_id_ptr = (uint32_t __user *)(unsigned long)out_resp->enum_blob_ptr;
2685 blob_length_ptr = (uint32_t __user *)(unsigned long)out_resp->values_ptr;
f453ba04
DA		 2686
2687 list_for_each_entry(prop_blob, &property->enum_blob_list, head) {
2688 if (put_user(prop_blob->base.id, blob_id_ptr + copied)) {
2689 ret = -EFAULT;
2690 goto done;
2691 }
2692
2693 if (put_user(prop_blob->length, blob_length_ptr + copied)) {
2694 ret = -EFAULT;
2695 goto done;
2696 }
2697
2698 copied++;
2699 }
2700 }
2701 out_resp->count_enum_blobs = blob_count;
2702 }
2703done:
2704 mutex_unlock(&dev->mode_config.mutex);
2705 return ret;
2706}
2707
2708static struct drm_property_blob *drm_property_create_blob(struct drm_device *dev, int length,
2709 void *data)
2710{
2711 struct drm_property_blob *blob;
2712
2713 if (!length || !data)
2714 return NULL;
2715
2716 blob = kzalloc(sizeof(struct drm_property_blob)+length, GFP_KERNEL);
2717 if (!blob)
2718 return NULL;
2719
2720 blob->data = (void *)((char *)blob + sizeof(struct drm_property_blob));
2721 blob->length = length;
2722
2723 memcpy(blob->data, data, length);
2724
2725 drm_mode_object_get(dev, &blob->base, DRM_MODE_OBJECT_BLOB);
2726
2727 list_add_tail(&blob->head, &dev->mode_config.property_blob_list);
2728 return blob;
2729}
2730
2731static void drm_property_destroy_blob(struct drm_device *dev,
2732 struct drm_property_blob *blob)
2733{
2734 drm_mode_object_put(dev, &blob->base);
2735 list_del(&blob->head);
2736 kfree(blob);
2737}
2738
2739int drm_mode_getblob_ioctl(struct drm_device *dev,
2740 void *data, struct drm_file *file_priv)
2741{
2742 struct drm_mode_object *obj;
2743 struct drm_mode_get_blob *out_resp = data;
2744 struct drm_property_blob *blob;
2745 int ret = 0;
81f6c7f8 2746 void __user *blob_ptr;
f453ba04 2747
fb3b06c8
DA		 2748 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2749 return -EINVAL;
2750
f453ba04
DA		 2751 mutex_lock(&dev->mode_config.mutex);
2752 obj = drm_mode_object_find(dev, out_resp->blob_id, DRM_MODE_OBJECT_BLOB);
2753 if (!obj) {
2754 ret = -EINVAL;
2755 goto done;
2756 }
2757 blob = obj_to_blob(obj);
2758
2759 if (out_resp->length == blob->length) {
81f6c7f8 2760 blob_ptr = (void __user *)(unsigned long)out_resp->data;
f453ba04
DA		 2761 if (copy_to_user(blob_ptr, blob->data, blob->length)){
2762 ret = -EFAULT;
2763 goto done;
2764 }
2765 }
2766 out_resp->length = blob->length;
2767
2768done:
2769 mutex_unlock(&dev->mode_config.mutex);
2770 return ret;
2771}
2772
2773int drm_mode_connector_update_edid_property(struct drm_connector *connector,
2774 struct edid *edid)
2775{
2776 struct drm_device *dev = connector->dev;
7466f4cc 2777 int ret = 0, size;
f453ba04
DA		 2778
2779 if (connector->edid_blob_ptr)
2780 drm_property_destroy_blob(dev, connector->edid_blob_ptr);
2781
2782 /* Delete edid, when there is none. */
2783 if (!edid) {
2784 connector->edid_blob_ptr = NULL;
2785 ret = drm_connector_property_set_value(connector, dev->mode_config.edid_property, 0);
2786 return ret;
2787 }
2788
7466f4cc
AJ		 2789 size = EDID_LENGTH * (1 + edid->extensions);
2790 connector->edid_blob_ptr = drm_property_create_blob(connector->dev,
2791 size, edid);
f453ba04
DA		 2792
2793 ret = drm_connector_property_set_value(connector,
2794 dev->mode_config.edid_property,
2795 connector->edid_blob_ptr->base.id);
2796
2797 return ret;
2798}
2799EXPORT_SYMBOL(drm_mode_connector_update_edid_property);
2800
2801int drm_mode_connector_property_set_ioctl(struct drm_device *dev,
2802 void *data, struct drm_file *file_priv)
2803{
2804 struct drm_mode_connector_set_property *out_resp = data;
2805 struct drm_mode_object *obj;
2806 struct drm_property *property;
2807 struct drm_connector *connector;
2808 int ret = -EINVAL;
2809 int i;
2810
fb3b06c8
DA		 2811 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2812 return -EINVAL;
2813
f453ba04
DA		 2814 mutex_lock(&dev->mode_config.mutex);
2815
2816 obj = drm_mode_object_find(dev, out_resp->connector_id, DRM_MODE_OBJECT_CONNECTOR);
2817 if (!obj) {
2818 goto out;
2819 }
2820 connector = obj_to_connector(obj);
2821
2822 for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
2823 if (connector->property_ids[i] == out_resp->prop_id)
2824 break;
2825 }
2826
2827 if (i == DRM_CONNECTOR_MAX_PROPERTY) {
2828 goto out;
2829 }
2830
2831 obj = drm_mode_object_find(dev, out_resp->prop_id, DRM_MODE_OBJECT_PROPERTY);
2832 if (!obj) {
2833 goto out;
2834 }
2835 property = obj_to_property(obj);
2836
2837 if (property->flags & DRM_MODE_PROP_IMMUTABLE)
2838 goto out;
2839
2840 if (property->flags & DRM_MODE_PROP_RANGE) {
2841 if (out_resp->value < property->values[0])
2842 goto out;
2843
2844 if (out_resp->value > property->values[1])
2845 goto out;
2846 } else {
2847 int found = 0;
2848 for (i = 0; i < property->num_values; i++) {
2849 if (property->values[i] == out_resp->value) {
2850 found = 1;
2851 break;
2852 }
2853 }
2854 if (!found) {
2855 goto out;
2856 }
2857 }
2858
c9fb15f6
KP		 2859 /* Do DPMS ourselves */
2860 if (property == connector->dev->mode_config.dpms_property) {
2861 if (connector->funcs->dpms)
2862 (*connector->funcs->dpms)(connector, (int) out_resp->value);
2863 ret = 0;
2864 } else if (connector->funcs->set_property)
f453ba04
DA		 2865 ret = connector->funcs->set_property(connector, property, out_resp->value);
2866
af901ca1 2867 /* store the property value if successful */
f453ba04
DA		 2868 if (!ret)
2869 drm_connector_property_set_value(connector, property, out_resp->value);
2870out:
2871 mutex_unlock(&dev->mode_config.mutex);
2872 return ret;
2873}
2874
f453ba04
DA		 2875int drm_mode_connector_attach_encoder(struct drm_connector *connector,
2876 struct drm_encoder *encoder)
2877{
2878 int i;
2879
2880 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
2881 if (connector->encoder_ids[i] == 0) {
2882 connector->encoder_ids[i] = encoder->base.id;
2883 return 0;
2884 }
2885 }
2886 return -ENOMEM;
2887}
2888EXPORT_SYMBOL(drm_mode_connector_attach_encoder);
2889
2890void drm_mode_connector_detach_encoder(struct drm_connector *connector,
2891 struct drm_encoder *encoder)
2892{
2893 int i;
2894 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
2895 if (connector->encoder_ids[i] == encoder->base.id) {
2896 connector->encoder_ids[i] = 0;
2897 if (connector->encoder == encoder)
2898 connector->encoder = NULL;
2899 break;
2900 }
2901 }
2902}
2903EXPORT_SYMBOL(drm_mode_connector_detach_encoder);
2904
2905bool drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc,
2906 int gamma_size)
2907{
2908 crtc->gamma_size = gamma_size;
2909
2910 crtc->gamma_store = kzalloc(gamma_size * sizeof(uint16_t) * 3, GFP_KERNEL);
2911 if (!crtc->gamma_store) {
2912 crtc->gamma_size = 0;
2913 return false;
2914 }
2915
2916 return true;
2917}
2918EXPORT_SYMBOL(drm_mode_crtc_set_gamma_size);
2919
2920int drm_mode_gamma_set_ioctl(struct drm_device *dev,
2921 void *data, struct drm_file *file_priv)
2922{
2923 struct drm_mode_crtc_lut *crtc_lut = data;
2924 struct drm_mode_object *obj;
2925 struct drm_crtc *crtc;
2926 void *r_base, *g_base, *b_base;
2927 int size;
2928 int ret = 0;
2929
fb3b06c8
DA		 2930 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2931 return -EINVAL;
2932
f453ba04
DA		 2933 mutex_lock(&dev->mode_config.mutex);
2934 obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC);
2935 if (!obj) {
2936 ret = -EINVAL;
2937 goto out;
2938 }
2939 crtc = obj_to_crtc(obj);
2940
2941 /* memcpy into gamma store */
2942 if (crtc_lut->gamma_size != crtc->gamma_size) {
2943 ret = -EINVAL;
2944 goto out;
2945 }
2946
2947 size = crtc_lut->gamma_size * (sizeof(uint16_t));
2948 r_base = crtc->gamma_store;
2949 if (copy_from_user(r_base, (void __user *)(unsigned long)crtc_lut->red, size)) {
2950 ret = -EFAULT;
2951 goto out;
2952 }
2953
2954 g_base = r_base + size;
2955 if (copy_from_user(g_base, (void __user *)(unsigned long)crtc_lut->green, size)) {
2956 ret = -EFAULT;
2957 goto out;
2958 }
2959
2960 b_base = g_base + size;
2961 if (copy_from_user(b_base, (void __user *)(unsigned long)crtc_lut->blue, size)) {
2962 ret = -EFAULT;
2963 goto out;
2964 }
2965
7203425a 2966 crtc->funcs->gamma_set(crtc, r_base, g_base, b_base, 0, crtc->gamma_size);
f453ba04
DA		 2967
2968out:
2969 mutex_unlock(&dev->mode_config.mutex);
2970 return ret;
2971
2972}
2973
2974int drm_mode_gamma_get_ioctl(struct drm_device *dev,
2975 void *data, struct drm_file *file_priv)
2976{
2977 struct drm_mode_crtc_lut *crtc_lut = data;
2978 struct drm_mode_object *obj;
2979 struct drm_crtc *crtc;
2980 void *r_base, *g_base, *b_base;
2981 int size;
2982 int ret = 0;
2983
fb3b06c8
DA		 2984 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2985 return -EINVAL;
2986
f453ba04
DA		 2987 mutex_lock(&dev->mode_config.mutex);
2988 obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC);
2989 if (!obj) {
2990 ret = -EINVAL;
2991 goto out;
2992 }
2993 crtc = obj_to_crtc(obj);
2994
2995 /* memcpy into gamma store */
2996 if (crtc_lut->gamma_size != crtc->gamma_size) {
2997 ret = -EINVAL;
2998 goto out;
2999 }
3000
3001 size = crtc_lut->gamma_size * (sizeof(uint16_t));
3002 r_base = crtc->gamma_store;
3003 if (copy_to_user((void __user *)(unsigned long)crtc_lut->red, r_base, size)) {
3004 ret = -EFAULT;
3005 goto out;
3006 }
3007
3008 g_base = r_base + size;
3009 if (copy_to_user((void __user *)(unsigned long)crtc_lut->green, g_base, size)) {
3010 ret = -EFAULT;
3011 goto out;
3012 }
3013
3014 b_base = g_base + size;
3015 if (copy_to_user((void __user *)(unsigned long)crtc_lut->blue, b_base, size)) {
3016 ret = -EFAULT;
3017 goto out;
3018 }
3019out:
3020 mutex_unlock(&dev->mode_config.mutex);
3021 return ret;
3022}
d91d8a3f
KH		 3023
3024int drm_mode_page_flip_ioctl(struct drm_device *dev,
3025 void *data, struct drm_file *file_priv)
3026{
3027 struct drm_mode_crtc_page_flip *page_flip = data;
3028 struct drm_mode_object *obj;
3029 struct drm_crtc *crtc;
3030 struct drm_framebuffer *fb;
3031 struct drm_pending_vblank_event *e = NULL;
3032 unsigned long flags;
3033 int ret = -EINVAL;
3034
3035 if (page_flip->flags & ~DRM_MODE_PAGE_FLIP_FLAGS ||
3036 page_flip->reserved != 0)
3037 return -EINVAL;
3038
3039 mutex_lock(&dev->mode_config.mutex);
3040 obj = drm_mode_object_find(dev, page_flip->crtc_id, DRM_MODE_OBJECT_CRTC);
3041 if (!obj)
3042 goto out;
3043 crtc = obj_to_crtc(obj);
3044
90c1efdd
CW		 3045 if (crtc->fb == NULL) {
3046 /* The framebuffer is currently unbound, presumably
3047 * due to a hotplug event, that userspace has not
3048 * yet discovered.
3049 */
3050 ret = -EBUSY;
3051 goto out;
3052 }
3053
d91d8a3f
KH		 3054 if (crtc->funcs->page_flip == NULL)
3055 goto out;
3056
3057 obj = drm_mode_object_find(dev, page_flip->fb_id, DRM_MODE_OBJECT_FB);
3058 if (!obj)
3059 goto out;
3060 fb = obj_to_fb(obj);
3061
3062 if (page_flip->flags & DRM_MODE_PAGE_FLIP_EVENT) {
3063 ret = -ENOMEM;
3064 spin_lock_irqsave(&dev->event_lock, flags);
3065 if (file_priv->event_space < sizeof e->event) {
3066 spin_unlock_irqrestore(&dev->event_lock, flags);
3067 goto out;
3068 }
3069 file_priv->event_space -= sizeof e->event;
3070 spin_unlock_irqrestore(&dev->event_lock, flags);
3071
3072 e = kzalloc(sizeof *e, GFP_KERNEL);
3073 if (e == NULL) {
3074 spin_lock_irqsave(&dev->event_lock, flags);
3075 file_priv->event_space += sizeof e->event;
3076 spin_unlock_irqrestore(&dev->event_lock, flags);
3077 goto out;
3078 }
3079
7bd4d7be 3080 e->event.base.type = DRM_EVENT_FLIP_COMPLETE;
d91d8a3f
KH		 3081 e->event.base.length = sizeof e->event;
3082 e->event.user_data = page_flip->user_data;
3083 e->base.event = &e->event.base;
3084 e->base.file_priv = file_priv;
3085 e->base.destroy =
3086 (void (*) (struct drm_pending_event *)) kfree;
3087 }
3088
3089 ret = crtc->funcs->page_flip(crtc, fb, e);
3090 if (ret) {
3091 spin_lock_irqsave(&dev->event_lock, flags);
3092 file_priv->event_space += sizeof e->event;
3093 spin_unlock_irqrestore(&dev->event_lock, flags);
3094 kfree(e);
3095 }
3096
3097out:
3098 mutex_unlock(&dev->mode_config.mutex);
3099 return ret;
3100}
eb033556
CW		 3101
3102void drm_mode_config_reset(struct drm_device *dev)
3103{
3104 struct drm_crtc *crtc;
3105 struct drm_encoder *encoder;
3106 struct drm_connector *connector;
3107
3108 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head)
3109 if (crtc->funcs->reset)
3110 crtc->funcs->reset(crtc);
3111
3112 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head)
3113 if (encoder->funcs->reset)
3114 encoder->funcs->reset(encoder);
3115
3116 list_for_each_entry(connector, &dev->mode_config.connector_list, head)
3117 if (connector->funcs->reset)
3118 connector->funcs->reset(connector);
3119}
3120EXPORT_SYMBOL(drm_mode_config_reset);
ff72145b
DA		 3121
3122int drm_mode_create_dumb_ioctl(struct drm_device *dev,
3123 void *data, struct drm_file *file_priv)
3124{
3125 struct drm_mode_create_dumb *args = data;
3126
3127 if (!dev->driver->dumb_create)
3128 return -ENOSYS;
3129 return dev->driver->dumb_create(file_priv, dev, args);
3130}
3131
3132int drm_mode_mmap_dumb_ioctl(struct drm_device *dev,
3133 void *data, struct drm_file *file_priv)
3134{
3135 struct drm_mode_map_dumb *args = data;
3136
3137 /* call driver ioctl to get mmap offset */
3138 if (!dev->driver->dumb_map_offset)
3139 return -ENOSYS;
3140
3141 return dev->driver->dumb_map_offset(file_priv, dev, args->handle, &args->offset);
3142}
3143
3144int drm_mode_destroy_dumb_ioctl(struct drm_device *dev,
3145 void *data, struct drm_file *file_priv)
3146{
3147 struct drm_mode_destroy_dumb *args = data;
3148
3149 if (!dev->driver->dumb_destroy)
3150 return -ENOSYS;
3151
3152 return dev->driver->dumb_destroy(file_priv, dev, args->handle);
3153}
248dbc23
DA		 3154
3155/*
3156 * Just need to support RGB formats here for compat with code that doesn't
3157 * use pixel formats directly yet.
3158 */
3159void drm_fb_get_bpp_depth(uint32_t format, unsigned int *depth,
3160 int *bpp)
3161{
3162 switch (format) {
04b3924d
VS		 3163 case DRM_FORMAT_RGB332:
3164 case DRM_FORMAT_BGR233:
248dbc23
DA		 3165 *depth = 8;
3166 *bpp = 8;
3167 break;
04b3924d
VS		 3168 case DRM_FORMAT_XRGB1555:
3169 case DRM_FORMAT_XBGR1555:
3170 case DRM_FORMAT_RGBX5551:
3171 case DRM_FORMAT_BGRX5551:
3172 case DRM_FORMAT_ARGB1555:
3173 case DRM_FORMAT_ABGR1555:
3174 case DRM_FORMAT_RGBA5551:
3175 case DRM_FORMAT_BGRA5551:
248dbc23
DA		 3176 *depth = 15;
3177 *bpp = 16;
3178 break;
04b3924d
VS		 3179 case DRM_FORMAT_RGB565:
3180 case DRM_FORMAT_BGR565:
248dbc23
DA		 3181 *depth = 16;
3182 *bpp = 16;
3183 break;
04b3924d
VS		 3184 case DRM_FORMAT_RGB888:
3185 case DRM_FORMAT_BGR888:
3186 *depth = 24;
3187 *bpp = 24;
3188 break;
3189 case DRM_FORMAT_XRGB8888:
3190 case DRM_FORMAT_XBGR8888:
3191 case DRM_FORMAT_RGBX8888:
3192 case DRM_FORMAT_BGRX8888:
248dbc23
DA		 3193 *depth = 24;
3194 *bpp = 32;
3195 break;
04b3924d
VS		 3196 case DRM_FORMAT_XRGB2101010:
3197 case DRM_FORMAT_XBGR2101010:
3198 case DRM_FORMAT_RGBX1010102:
3199 case DRM_FORMAT_BGRX1010102:
3200 case DRM_FORMAT_ARGB2101010:
3201 case DRM_FORMAT_ABGR2101010:
3202 case DRM_FORMAT_RGBA1010102:
3203 case DRM_FORMAT_BGRA1010102:
248dbc23
DA		 3204 *depth = 30;
3205 *bpp = 32;
3206 break;
04b3924d
VS		 3207 case DRM_FORMAT_ARGB8888:
3208 case DRM_FORMAT_ABGR8888:
3209 case DRM_FORMAT_RGBA8888:
3210 case DRM_FORMAT_BGRA8888:
248dbc23
DA		 3211 *depth = 32;
3212 *bpp = 32;
3213 break;
3214 default:
3215 DRM_DEBUG_KMS("unsupported pixel format\n");
3216 *depth = 0;
3217 *bpp = 0;
3218 break;
3219 }
3220}
3221EXPORT_SYMBOL(drm_fb_get_bpp_depth);
Linux kernel - Deliverables
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