2 * Copyright (c) 2006-2008 Intel Corporation
3 * Copyright (c) 2007 Dave Airlie <airlied@linux.ie>
4 * Copyright (c) 2008 Red Hat Inc.
6 * DRM core CRTC related functions
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.
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
28 * Eric Anholt <eric@anholt.net>
29 * Dave Airlie <airlied@linux.ie>
30 * Jesse Barnes <jesse.barnes@intel.com>
32 #include <linux/list.h>
33 #include <linux/slab.h>
34 #include <linux/export.h>
36 #include <drm/drm_crtc.h>
37 #include <drm/drm_edid.h>
38 #include <drm/drm_fourcc.h>
41 * drm_modeset_lock_all - take all modeset locks
44 * This function takes all modeset locks, suitable where a more fine-grained
45 * scheme isn't (yet) implemented.
47 void drm_modeset_lock_all(struct drm_device
*dev
)
49 struct drm_crtc
*crtc
;
51 mutex_lock(&dev
->mode_config
.mutex
);
53 list_for_each_entry(crtc
, &dev
->mode_config
.crtc_list
, head
)
54 mutex_lock_nest_lock(&crtc
->mutex
, &dev
->mode_config
.mutex
);
56 EXPORT_SYMBOL(drm_modeset_lock_all
);
59 * drm_modeset_unlock_all - drop all modeset locks
62 void drm_modeset_unlock_all(struct drm_device
*dev
)
64 struct drm_crtc
*crtc
;
66 list_for_each_entry(crtc
, &dev
->mode_config
.crtc_list
, head
)
67 mutex_unlock(&crtc
->mutex
);
69 mutex_unlock(&dev
->mode_config
.mutex
);
72 EXPORT_SYMBOL(drm_modeset_unlock_all
);
74 /* Avoid boilerplate. I'm tired of typing. */
75 #define DRM_ENUM_NAME_FN(fnname, list) \
76 char *fnname(int val) \
79 for (i = 0; i < ARRAY_SIZE(list); i++) { \
80 if (list[i].type == val) \
81 return list[i].name; \
89 static struct drm_prop_enum_list drm_dpms_enum_list
[] =
90 { { DRM_MODE_DPMS_ON
, "On" },
91 { DRM_MODE_DPMS_STANDBY
, "Standby" },
92 { DRM_MODE_DPMS_SUSPEND
, "Suspend" },
93 { DRM_MODE_DPMS_OFF
, "Off" }
96 DRM_ENUM_NAME_FN(drm_get_dpms_name
, drm_dpms_enum_list
)
101 static struct drm_prop_enum_list drm_scaling_mode_enum_list
[] =
103 { DRM_MODE_SCALE_NONE
, "None" },
104 { DRM_MODE_SCALE_FULLSCREEN
, "Full" },
105 { DRM_MODE_SCALE_CENTER
, "Center" },
106 { DRM_MODE_SCALE_ASPECT
, "Full aspect" },
109 static struct drm_prop_enum_list drm_dithering_mode_enum_list
[] =
111 { DRM_MODE_DITHERING_OFF
, "Off" },
112 { DRM_MODE_DITHERING_ON
, "On" },
113 { DRM_MODE_DITHERING_AUTO
, "Automatic" },
117 * Non-global properties, but "required" for certain connectors.
119 static struct drm_prop_enum_list drm_dvi_i_select_enum_list
[] =
121 { DRM_MODE_SUBCONNECTOR_Automatic
, "Automatic" }, /* DVI-I and TV-out */
122 { DRM_MODE_SUBCONNECTOR_DVID
, "DVI-D" }, /* DVI-I */
123 { DRM_MODE_SUBCONNECTOR_DVIA
, "DVI-A" }, /* DVI-I */
126 DRM_ENUM_NAME_FN(drm_get_dvi_i_select_name
, drm_dvi_i_select_enum_list
)
128 static struct drm_prop_enum_list drm_dvi_i_subconnector_enum_list
[] =
130 { DRM_MODE_SUBCONNECTOR_Unknown
, "Unknown" }, /* DVI-I and TV-out */
131 { DRM_MODE_SUBCONNECTOR_DVID
, "DVI-D" }, /* DVI-I */
132 { DRM_MODE_SUBCONNECTOR_DVIA
, "DVI-A" }, /* DVI-I */
135 DRM_ENUM_NAME_FN(drm_get_dvi_i_subconnector_name
,
136 drm_dvi_i_subconnector_enum_list
)
138 static struct drm_prop_enum_list drm_tv_select_enum_list
[] =
140 { DRM_MODE_SUBCONNECTOR_Automatic
, "Automatic" }, /* DVI-I and TV-out */
141 { DRM_MODE_SUBCONNECTOR_Composite
, "Composite" }, /* TV-out */
142 { DRM_MODE_SUBCONNECTOR_SVIDEO
, "SVIDEO" }, /* TV-out */
143 { DRM_MODE_SUBCONNECTOR_Component
, "Component" }, /* TV-out */
144 { DRM_MODE_SUBCONNECTOR_SCART
, "SCART" }, /* TV-out */
147 DRM_ENUM_NAME_FN(drm_get_tv_select_name
, drm_tv_select_enum_list
)
149 static struct drm_prop_enum_list drm_tv_subconnector_enum_list
[] =
151 { DRM_MODE_SUBCONNECTOR_Unknown
, "Unknown" }, /* DVI-I and TV-out */
152 { DRM_MODE_SUBCONNECTOR_Composite
, "Composite" }, /* TV-out */
153 { DRM_MODE_SUBCONNECTOR_SVIDEO
, "SVIDEO" }, /* TV-out */
154 { DRM_MODE_SUBCONNECTOR_Component
, "Component" }, /* TV-out */
155 { DRM_MODE_SUBCONNECTOR_SCART
, "SCART" }, /* TV-out */
158 DRM_ENUM_NAME_FN(drm_get_tv_subconnector_name
,
159 drm_tv_subconnector_enum_list
)
161 static struct drm_prop_enum_list drm_dirty_info_enum_list
[] = {
162 { DRM_MODE_DIRTY_OFF
, "Off" },
163 { DRM_MODE_DIRTY_ON
, "On" },
164 { DRM_MODE_DIRTY_ANNOTATE
, "Annotate" },
167 DRM_ENUM_NAME_FN(drm_get_dirty_info_name
,
168 drm_dirty_info_enum_list
)
170 struct drm_conn_prop_enum_list
{
177 * Connector and encoder types.
179 static struct drm_conn_prop_enum_list drm_connector_enum_list
[] =
180 { { DRM_MODE_CONNECTOR_Unknown
, "Unknown", 0 },
181 { DRM_MODE_CONNECTOR_VGA
, "VGA", 0 },
182 { DRM_MODE_CONNECTOR_DVII
, "DVI-I", 0 },
183 { DRM_MODE_CONNECTOR_DVID
, "DVI-D", 0 },
184 { DRM_MODE_CONNECTOR_DVIA
, "DVI-A", 0 },
185 { DRM_MODE_CONNECTOR_Composite
, "Composite", 0 },
186 { DRM_MODE_CONNECTOR_SVIDEO
, "SVIDEO", 0 },
187 { DRM_MODE_CONNECTOR_LVDS
, "LVDS", 0 },
188 { DRM_MODE_CONNECTOR_Component
, "Component", 0 },
189 { DRM_MODE_CONNECTOR_9PinDIN
, "DIN", 0 },
190 { DRM_MODE_CONNECTOR_DisplayPort
, "DP", 0 },
191 { DRM_MODE_CONNECTOR_HDMIA
, "HDMI-A", 0 },
192 { DRM_MODE_CONNECTOR_HDMIB
, "HDMI-B", 0 },
193 { DRM_MODE_CONNECTOR_TV
, "TV", 0 },
194 { DRM_MODE_CONNECTOR_eDP
, "eDP", 0 },
195 { DRM_MODE_CONNECTOR_VIRTUAL
, "Virtual", 0},
198 static struct drm_prop_enum_list drm_encoder_enum_list
[] =
199 { { DRM_MODE_ENCODER_NONE
, "None" },
200 { DRM_MODE_ENCODER_DAC
, "DAC" },
201 { DRM_MODE_ENCODER_TMDS
, "TMDS" },
202 { DRM_MODE_ENCODER_LVDS
, "LVDS" },
203 { DRM_MODE_ENCODER_TVDAC
, "TV" },
204 { DRM_MODE_ENCODER_VIRTUAL
, "Virtual" },
207 char *drm_get_encoder_name(struct drm_encoder
*encoder
)
211 snprintf(buf
, 32, "%s-%d",
212 drm_encoder_enum_list
[encoder
->encoder_type
].name
,
216 EXPORT_SYMBOL(drm_get_encoder_name
);
218 char *drm_get_connector_name(struct drm_connector
*connector
)
222 snprintf(buf
, 32, "%s-%d",
223 drm_connector_enum_list
[connector
->connector_type
].name
,
224 connector
->connector_type_id
);
227 EXPORT_SYMBOL(drm_get_connector_name
);
229 char *drm_get_connector_status_name(enum drm_connector_status status
)
231 if (status
== connector_status_connected
)
233 else if (status
== connector_status_disconnected
)
234 return "disconnected";
240 * drm_mode_object_get - allocate a new modeset identifier
242 * @obj: object pointer, used to generate unique ID
243 * @obj_type: object type
245 * Create a unique identifier based on @ptr in @dev's identifier space. Used
246 * for tracking modes, CRTCs and connectors.
249 * New unique (relative to other objects in @dev) integer identifier for the
252 static int drm_mode_object_get(struct drm_device
*dev
,
253 struct drm_mode_object
*obj
, uint32_t obj_type
)
259 if (idr_pre_get(&dev
->mode_config
.crtc_idr
, GFP_KERNEL
) == 0) {
260 DRM_ERROR("Ran out memory getting a mode number\n");
264 mutex_lock(&dev
->mode_config
.idr_mutex
);
265 ret
= idr_get_new_above(&dev
->mode_config
.crtc_idr
, obj
, 1, &new_id
);
269 * Set up the object linking under the protection of the idr
270 * lock so that other users can't see inconsistent state.
273 obj
->type
= obj_type
;
275 mutex_unlock(&dev
->mode_config
.idr_mutex
);
284 * drm_mode_object_put - free a modeset identifer
286 * @object: object to free
288 * Free @id from @dev's unique identifier pool.
290 static void drm_mode_object_put(struct drm_device
*dev
,
291 struct drm_mode_object
*object
)
293 mutex_lock(&dev
->mode_config
.idr_mutex
);
294 idr_remove(&dev
->mode_config
.crtc_idr
, object
->id
);
295 mutex_unlock(&dev
->mode_config
.idr_mutex
);
299 * drm_mode_object_find - look up a drm object with static lifetime
301 * @id: id of the mode object
302 * @type: type of the mode object
304 * Note that framebuffers cannot be looked up with this functions - since those
305 * are reference counted, they need special treatment.
307 struct drm_mode_object
*drm_mode_object_find(struct drm_device
*dev
,
308 uint32_t id
, uint32_t type
)
310 struct drm_mode_object
*obj
= NULL
;
312 /* Framebuffers are reference counted and need their own lookup
314 WARN_ON(type
== DRM_MODE_OBJECT_FB
);
316 mutex_lock(&dev
->mode_config
.idr_mutex
);
317 obj
= idr_find(&dev
->mode_config
.crtc_idr
, id
);
318 if (!obj
|| (obj
->type
!= type
) || (obj
->id
!= id
))
320 mutex_unlock(&dev
->mode_config
.idr_mutex
);
324 EXPORT_SYMBOL(drm_mode_object_find
);
327 * drm_framebuffer_init - initialize a framebuffer
329 * @fb: framebuffer to be initialized
330 * @funcs: ... with these functions
332 * Allocates an ID for the framebuffer's parent mode object, sets its mode
333 * functions & device file and adds it to the master fd list.
336 * This functions publishes the fb and makes it available for concurrent access
337 * by other users. Which means by this point the fb _must_ be fully set up -
338 * since all the fb attributes are invariant over its lifetime, no further
339 * locking but only correct reference counting is required.
342 * Zero on success, error code on failure.
344 int drm_framebuffer_init(struct drm_device
*dev
, struct drm_framebuffer
*fb
,
345 const struct drm_framebuffer_funcs
*funcs
)
349 mutex_lock(&dev
->mode_config
.fb_lock
);
350 kref_init(&fb
->refcount
);
351 INIT_LIST_HEAD(&fb
->filp_head
);
355 ret
= drm_mode_object_get(dev
, &fb
->base
, DRM_MODE_OBJECT_FB
);
359 /* Grab the idr reference. */
360 drm_framebuffer_reference(fb
);
362 dev
->mode_config
.num_fb
++;
363 list_add(&fb
->head
, &dev
->mode_config
.fb_list
);
365 mutex_unlock(&dev
->mode_config
.fb_lock
);
369 EXPORT_SYMBOL(drm_framebuffer_init
);
371 static void drm_framebuffer_free(struct kref
*kref
)
373 struct drm_framebuffer
*fb
=
374 container_of(kref
, struct drm_framebuffer
, refcount
);
375 fb
->funcs
->destroy(fb
);
378 static struct drm_framebuffer
*__drm_framebuffer_lookup(struct drm_device
*dev
,
381 struct drm_mode_object
*obj
= NULL
;
382 struct drm_framebuffer
*fb
;
384 mutex_lock(&dev
->mode_config
.idr_mutex
);
385 obj
= idr_find(&dev
->mode_config
.crtc_idr
, id
);
386 if (!obj
|| (obj
->type
!= DRM_MODE_OBJECT_FB
) || (obj
->id
!= id
))
390 mutex_unlock(&dev
->mode_config
.idr_mutex
);
396 * drm_framebuffer_lookup - look up a drm framebuffer and grab a reference
398 * @id: id of the fb object
400 * If successful, this grabs an additional reference to the framebuffer -
401 * callers need to make sure to eventually unreference the returned framebuffer
404 struct drm_framebuffer
*drm_framebuffer_lookup(struct drm_device
*dev
,
407 struct drm_framebuffer
*fb
;
409 mutex_lock(&dev
->mode_config
.fb_lock
);
410 fb
= __drm_framebuffer_lookup(dev
, id
);
412 kref_get(&fb
->refcount
);
413 mutex_unlock(&dev
->mode_config
.fb_lock
);
417 EXPORT_SYMBOL(drm_framebuffer_lookup
);
420 * drm_framebuffer_unreference - unref a framebuffer
421 * @fb: framebuffer to unref
423 * This functions decrements the fb's refcount and frees it if it drops to zero.
425 void drm_framebuffer_unreference(struct drm_framebuffer
*fb
)
427 DRM_DEBUG("FB ID: %d\n", fb
->base
.id
);
428 kref_put(&fb
->refcount
, drm_framebuffer_free
);
430 EXPORT_SYMBOL(drm_framebuffer_unreference
);
433 * drm_framebuffer_reference - incr the fb refcnt
436 void drm_framebuffer_reference(struct drm_framebuffer
*fb
)
438 DRM_DEBUG("FB ID: %d\n", fb
->base
.id
);
439 kref_get(&fb
->refcount
);
441 EXPORT_SYMBOL(drm_framebuffer_reference
);
443 static void drm_framebuffer_free_bug(struct kref
*kref
)
448 static void __drm_framebuffer_unreference(struct drm_framebuffer
*fb
)
450 DRM_DEBUG("FB ID: %d\n", fb
->base
.id
);
451 kref_put(&fb
->refcount
, drm_framebuffer_free_bug
);
454 /* dev->mode_config.fb_lock must be held! */
455 static void __drm_framebuffer_unregister(struct drm_device
*dev
,
456 struct drm_framebuffer
*fb
)
458 mutex_lock(&dev
->mode_config
.idr_mutex
);
459 idr_remove(&dev
->mode_config
.crtc_idr
, fb
->base
.id
);
460 mutex_unlock(&dev
->mode_config
.idr_mutex
);
464 __drm_framebuffer_unreference(fb
);
468 * drm_framebuffer_unregister_private - unregister a private fb from the lookup idr
469 * @fb: fb to unregister
471 * Drivers need to call this when cleaning up driver-private framebuffers, e.g.
472 * those used for fbdev. Note that the caller must hold a reference of it's own,
473 * i.e. the object may not be destroyed through this call (since it'll lead to a
474 * locking inversion).
476 void drm_framebuffer_unregister_private(struct drm_framebuffer
*fb
)
478 struct drm_device
*dev
= fb
->dev
;
480 mutex_lock(&dev
->mode_config
.fb_lock
);
481 /* Mark fb as reaped and drop idr ref. */
482 __drm_framebuffer_unregister(dev
, fb
);
483 mutex_unlock(&dev
->mode_config
.fb_lock
);
485 EXPORT_SYMBOL(drm_framebuffer_unregister_private
);
488 * drm_framebuffer_cleanup - remove a framebuffer object
489 * @fb: framebuffer to remove
491 * Cleanup references to a user-created framebuffer. This function is intended
492 * to be used from the drivers ->destroy callback.
494 * Note that this function does not remove the fb from active usuage - if it is
495 * still used anywhere, hilarity can ensue since userspace could call getfb on
496 * the id and get back -EINVAL. Obviously no concern at driver unload time.
498 * Also, the framebuffer will not be removed from the lookup idr - for
499 * user-created framebuffers this will happen in in the rmfb ioctl. For
500 * driver-private objects (e.g. for fbdev) drivers need to explicitly call
501 * drm_framebuffer_unregister_private.
503 void drm_framebuffer_cleanup(struct drm_framebuffer
*fb
)
505 struct drm_device
*dev
= fb
->dev
;
507 mutex_lock(&dev
->mode_config
.fb_lock
);
509 dev
->mode_config
.num_fb
--;
510 mutex_unlock(&dev
->mode_config
.fb_lock
);
512 EXPORT_SYMBOL(drm_framebuffer_cleanup
);
515 * drm_framebuffer_remove - remove and unreference a framebuffer object
516 * @fb: framebuffer to remove
518 * Scans all the CRTCs and planes in @dev's mode_config. If they're
519 * using @fb, removes it, setting it to NULL. Then drops the reference to the
520 * passed-in framebuffer. Might take the modeset locks.
522 * Note that this function optimizes the cleanup away if the caller holds the
523 * last reference to the framebuffer. It is also guaranteed to not take the
524 * modeset locks in this case.
526 void drm_framebuffer_remove(struct drm_framebuffer
*fb
)
528 struct drm_device
*dev
= fb
->dev
;
529 struct drm_crtc
*crtc
;
530 struct drm_plane
*plane
;
531 struct drm_mode_set set
;
534 WARN_ON(!list_empty(&fb
->filp_head
));
537 * drm ABI mandates that we remove any deleted framebuffers from active
538 * useage. But since most sane clients only remove framebuffers they no
539 * longer need, try to optimize this away.
541 * Since we're holding a reference ourselves, observing a refcount of 1
542 * means that we're the last holder and can skip it. Also, the refcount
543 * can never increase from 1 again, so we don't need any barriers or
546 * Note that userspace could try to race with use and instate a new
547 * usage _after_ we've cleared all current ones. End result will be an
548 * in-use fb with fb-id == 0. Userspace is allowed to shoot its own foot
551 if (atomic_read(&fb
->refcount
.refcount
) > 1) {
552 drm_modeset_lock_all(dev
);
553 /* remove from any CRTC */
554 list_for_each_entry(crtc
, &dev
->mode_config
.crtc_list
, head
) {
555 if (crtc
->fb
== fb
) {
556 /* should turn off the crtc */
557 memset(&set
, 0, sizeof(struct drm_mode_set
));
560 ret
= drm_mode_set_config_internal(&set
);
562 DRM_ERROR("failed to reset crtc %p when fb was deleted\n", crtc
);
566 list_for_each_entry(plane
, &dev
->mode_config
.plane_list
, head
) {
567 if (plane
->fb
== fb
) {
568 /* should turn off the crtc */
569 ret
= plane
->funcs
->disable_plane(plane
);
571 DRM_ERROR("failed to disable plane with busy fb\n");
572 /* disconnect the plane from the fb and crtc: */
573 __drm_framebuffer_unreference(plane
->fb
);
578 drm_modeset_unlock_all(dev
);
581 drm_framebuffer_unreference(fb
);
583 EXPORT_SYMBOL(drm_framebuffer_remove
);
586 * drm_crtc_init - Initialise a new CRTC object
588 * @crtc: CRTC object to init
589 * @funcs: callbacks for the new CRTC
591 * Inits a new object created as base part of an driver crtc object.
594 * Zero on success, error code on failure.
596 int drm_crtc_init(struct drm_device
*dev
, struct drm_crtc
*crtc
,
597 const struct drm_crtc_funcs
*funcs
)
603 crtc
->invert_dimensions
= false;
605 drm_modeset_lock_all(dev
);
606 mutex_init(&crtc
->mutex
);
607 mutex_lock_nest_lock(&crtc
->mutex
, &dev
->mode_config
.mutex
);
609 ret
= drm_mode_object_get(dev
, &crtc
->base
, DRM_MODE_OBJECT_CRTC
);
613 crtc
->base
.properties
= &crtc
->properties
;
615 list_add_tail(&crtc
->head
, &dev
->mode_config
.crtc_list
);
616 dev
->mode_config
.num_crtc
++;
619 drm_modeset_unlock_all(dev
);
623 EXPORT_SYMBOL(drm_crtc_init
);
626 * drm_crtc_cleanup - Cleans up the core crtc usage.
627 * @crtc: CRTC to cleanup
629 * Cleanup @crtc. Removes from drm modesetting space
630 * does NOT free object, caller does that.
632 void drm_crtc_cleanup(struct drm_crtc
*crtc
)
634 struct drm_device
*dev
= crtc
->dev
;
636 kfree(crtc
->gamma_store
);
637 crtc
->gamma_store
= NULL
;
639 drm_mode_object_put(dev
, &crtc
->base
);
640 list_del(&crtc
->head
);
641 dev
->mode_config
.num_crtc
--;
643 EXPORT_SYMBOL(drm_crtc_cleanup
);
646 * drm_mode_probed_add - add a mode to a connector's probed mode list
647 * @connector: connector the new mode
650 * Add @mode to @connector's mode list for later use.
652 void drm_mode_probed_add(struct drm_connector
*connector
,
653 struct drm_display_mode
*mode
)
655 list_add(&mode
->head
, &connector
->probed_modes
);
657 EXPORT_SYMBOL(drm_mode_probed_add
);
660 * drm_mode_remove - remove and free a mode
661 * @connector: connector list to modify
662 * @mode: mode to remove
664 * Remove @mode from @connector's mode list, then free it.
666 void drm_mode_remove(struct drm_connector
*connector
,
667 struct drm_display_mode
*mode
)
669 list_del(&mode
->head
);
670 drm_mode_destroy(connector
->dev
, mode
);
672 EXPORT_SYMBOL(drm_mode_remove
);
675 * drm_connector_init - Init a preallocated connector
677 * @connector: the connector to init
678 * @funcs: callbacks for this connector
679 * @connector_type: user visible type of the connector
681 * Initialises a preallocated connector. Connectors should be
682 * subclassed as part of driver connector objects.
685 * Zero on success, error code on failure.
687 int drm_connector_init(struct drm_device
*dev
,
688 struct drm_connector
*connector
,
689 const struct drm_connector_funcs
*funcs
,
694 drm_modeset_lock_all(dev
);
696 ret
= drm_mode_object_get(dev
, &connector
->base
, DRM_MODE_OBJECT_CONNECTOR
);
700 connector
->base
.properties
= &connector
->properties
;
701 connector
->dev
= dev
;
702 connector
->funcs
= funcs
;
703 connector
->connector_type
= connector_type
;
704 connector
->connector_type_id
=
705 ++drm_connector_enum_list
[connector_type
].count
; /* TODO */
706 INIT_LIST_HEAD(&connector
->user_modes
);
707 INIT_LIST_HEAD(&connector
->probed_modes
);
708 INIT_LIST_HEAD(&connector
->modes
);
709 connector
->edid_blob_ptr
= NULL
;
710 connector
->status
= connector_status_unknown
;
712 list_add_tail(&connector
->head
, &dev
->mode_config
.connector_list
);
713 dev
->mode_config
.num_connector
++;
715 if (connector_type
!= DRM_MODE_CONNECTOR_VIRTUAL
)
716 drm_object_attach_property(&connector
->base
,
717 dev
->mode_config
.edid_property
,
720 drm_object_attach_property(&connector
->base
,
721 dev
->mode_config
.dpms_property
, 0);
724 drm_modeset_unlock_all(dev
);
728 EXPORT_SYMBOL(drm_connector_init
);
731 * drm_connector_cleanup - cleans up an initialised connector
732 * @connector: connector to cleanup
734 * Cleans up the connector but doesn't free the object.
736 void drm_connector_cleanup(struct drm_connector
*connector
)
738 struct drm_device
*dev
= connector
->dev
;
739 struct drm_display_mode
*mode
, *t
;
741 list_for_each_entry_safe(mode
, t
, &connector
->probed_modes
, head
)
742 drm_mode_remove(connector
, mode
);
744 list_for_each_entry_safe(mode
, t
, &connector
->modes
, head
)
745 drm_mode_remove(connector
, mode
);
747 list_for_each_entry_safe(mode
, t
, &connector
->user_modes
, head
)
748 drm_mode_remove(connector
, mode
);
750 drm_mode_object_put(dev
, &connector
->base
);
751 list_del(&connector
->head
);
752 dev
->mode_config
.num_connector
--;
754 EXPORT_SYMBOL(drm_connector_cleanup
);
756 void drm_connector_unplug_all(struct drm_device
*dev
)
758 struct drm_connector
*connector
;
760 /* taking the mode config mutex ends up in a clash with sysfs */
761 list_for_each_entry(connector
, &dev
->mode_config
.connector_list
, head
)
762 drm_sysfs_connector_remove(connector
);
765 EXPORT_SYMBOL(drm_connector_unplug_all
);
767 int drm_encoder_init(struct drm_device
*dev
,
768 struct drm_encoder
*encoder
,
769 const struct drm_encoder_funcs
*funcs
,
774 drm_modeset_lock_all(dev
);
776 ret
= drm_mode_object_get(dev
, &encoder
->base
, DRM_MODE_OBJECT_ENCODER
);
781 encoder
->encoder_type
= encoder_type
;
782 encoder
->funcs
= funcs
;
784 list_add_tail(&encoder
->head
, &dev
->mode_config
.encoder_list
);
785 dev
->mode_config
.num_encoder
++;
788 drm_modeset_unlock_all(dev
);
792 EXPORT_SYMBOL(drm_encoder_init
);
794 void drm_encoder_cleanup(struct drm_encoder
*encoder
)
796 struct drm_device
*dev
= encoder
->dev
;
797 drm_modeset_lock_all(dev
);
798 drm_mode_object_put(dev
, &encoder
->base
);
799 list_del(&encoder
->head
);
800 dev
->mode_config
.num_encoder
--;
801 drm_modeset_unlock_all(dev
);
803 EXPORT_SYMBOL(drm_encoder_cleanup
);
805 int drm_plane_init(struct drm_device
*dev
, struct drm_plane
*plane
,
806 unsigned long possible_crtcs
,
807 const struct drm_plane_funcs
*funcs
,
808 const uint32_t *formats
, uint32_t format_count
,
813 drm_modeset_lock_all(dev
);
815 ret
= drm_mode_object_get(dev
, &plane
->base
, DRM_MODE_OBJECT_PLANE
);
819 plane
->base
.properties
= &plane
->properties
;
821 plane
->funcs
= funcs
;
822 plane
->format_types
= kmalloc(sizeof(uint32_t) * format_count
,
824 if (!plane
->format_types
) {
825 DRM_DEBUG_KMS("out of memory when allocating plane\n");
826 drm_mode_object_put(dev
, &plane
->base
);
831 memcpy(plane
->format_types
, formats
, format_count
* sizeof(uint32_t));
832 plane
->format_count
= format_count
;
833 plane
->possible_crtcs
= possible_crtcs
;
835 /* private planes are not exposed to userspace, but depending on
836 * display hardware, might be convenient to allow sharing programming
837 * for the scanout engine with the crtc implementation.
840 list_add_tail(&plane
->head
, &dev
->mode_config
.plane_list
);
841 dev
->mode_config
.num_plane
++;
843 INIT_LIST_HEAD(&plane
->head
);
847 drm_modeset_unlock_all(dev
);
851 EXPORT_SYMBOL(drm_plane_init
);
853 void drm_plane_cleanup(struct drm_plane
*plane
)
855 struct drm_device
*dev
= plane
->dev
;
857 drm_modeset_lock_all(dev
);
858 kfree(plane
->format_types
);
859 drm_mode_object_put(dev
, &plane
->base
);
860 /* if not added to a list, it must be a private plane */
861 if (!list_empty(&plane
->head
)) {
862 list_del(&plane
->head
);
863 dev
->mode_config
.num_plane
--;
865 drm_modeset_unlock_all(dev
);
867 EXPORT_SYMBOL(drm_plane_cleanup
);
870 * drm_mode_create - create a new display mode
873 * Create a new drm_display_mode, give it an ID, and return it.
876 * Pointer to new mode on success, NULL on error.
878 struct drm_display_mode
*drm_mode_create(struct drm_device
*dev
)
880 struct drm_display_mode
*nmode
;
882 nmode
= kzalloc(sizeof(struct drm_display_mode
), GFP_KERNEL
);
886 if (drm_mode_object_get(dev
, &nmode
->base
, DRM_MODE_OBJECT_MODE
)) {
893 EXPORT_SYMBOL(drm_mode_create
);
896 * drm_mode_destroy - remove a mode
898 * @mode: mode to remove
900 * Free @mode's unique identifier, then free it.
902 void drm_mode_destroy(struct drm_device
*dev
, struct drm_display_mode
*mode
)
907 drm_mode_object_put(dev
, &mode
->base
);
911 EXPORT_SYMBOL(drm_mode_destroy
);
913 static int drm_mode_create_standard_connector_properties(struct drm_device
*dev
)
915 struct drm_property
*edid
;
916 struct drm_property
*dpms
;
919 * Standard properties (apply to all connectors)
921 edid
= drm_property_create(dev
, DRM_MODE_PROP_BLOB
|
922 DRM_MODE_PROP_IMMUTABLE
,
924 dev
->mode_config
.edid_property
= edid
;
926 dpms
= drm_property_create_enum(dev
, 0,
927 "DPMS", drm_dpms_enum_list
,
928 ARRAY_SIZE(drm_dpms_enum_list
));
929 dev
->mode_config
.dpms_property
= dpms
;
935 * drm_mode_create_dvi_i_properties - create DVI-I specific connector properties
938 * Called by a driver the first time a DVI-I connector is made.
940 int drm_mode_create_dvi_i_properties(struct drm_device
*dev
)
942 struct drm_property
*dvi_i_selector
;
943 struct drm_property
*dvi_i_subconnector
;
945 if (dev
->mode_config
.dvi_i_select_subconnector_property
)
949 drm_property_create_enum(dev
, 0,
950 "select subconnector",
951 drm_dvi_i_select_enum_list
,
952 ARRAY_SIZE(drm_dvi_i_select_enum_list
));
953 dev
->mode_config
.dvi_i_select_subconnector_property
= dvi_i_selector
;
955 dvi_i_subconnector
= drm_property_create_enum(dev
, DRM_MODE_PROP_IMMUTABLE
,
957 drm_dvi_i_subconnector_enum_list
,
958 ARRAY_SIZE(drm_dvi_i_subconnector_enum_list
));
959 dev
->mode_config
.dvi_i_subconnector_property
= dvi_i_subconnector
;
963 EXPORT_SYMBOL(drm_mode_create_dvi_i_properties
);
966 * drm_create_tv_properties - create TV specific connector properties
968 * @num_modes: number of different TV formats (modes) supported
969 * @modes: array of pointers to strings containing name of each format
971 * Called by a driver's TV initialization routine, this function creates
972 * the TV specific connector properties for a given device. Caller is
973 * responsible for allocating a list of format names and passing them to
976 int drm_mode_create_tv_properties(struct drm_device
*dev
, int num_modes
,
979 struct drm_property
*tv_selector
;
980 struct drm_property
*tv_subconnector
;
983 if (dev
->mode_config
.tv_select_subconnector_property
)
987 * Basic connector properties
989 tv_selector
= drm_property_create_enum(dev
, 0,
990 "select subconnector",
991 drm_tv_select_enum_list
,
992 ARRAY_SIZE(drm_tv_select_enum_list
));
993 dev
->mode_config
.tv_select_subconnector_property
= tv_selector
;
996 drm_property_create_enum(dev
, DRM_MODE_PROP_IMMUTABLE
,
998 drm_tv_subconnector_enum_list
,
999 ARRAY_SIZE(drm_tv_subconnector_enum_list
));
1000 dev
->mode_config
.tv_subconnector_property
= tv_subconnector
;
1003 * Other, TV specific properties: margins & TV modes.
1005 dev
->mode_config
.tv_left_margin_property
=
1006 drm_property_create_range(dev
, 0, "left margin", 0, 100);
1008 dev
->mode_config
.tv_right_margin_property
=
1009 drm_property_create_range(dev
, 0, "right margin", 0, 100);
1011 dev
->mode_config
.tv_top_margin_property
=
1012 drm_property_create_range(dev
, 0, "top margin", 0, 100);
1014 dev
->mode_config
.tv_bottom_margin_property
=
1015 drm_property_create_range(dev
, 0, "bottom margin", 0, 100);
1017 dev
->mode_config
.tv_mode_property
=
1018 drm_property_create(dev
, DRM_MODE_PROP_ENUM
,
1020 for (i
= 0; i
< num_modes
; i
++)
1021 drm_property_add_enum(dev
->mode_config
.tv_mode_property
, i
,
1024 dev
->mode_config
.tv_brightness_property
=
1025 drm_property_create_range(dev
, 0, "brightness", 0, 100);
1027 dev
->mode_config
.tv_contrast_property
=
1028 drm_property_create_range(dev
, 0, "contrast", 0, 100);
1030 dev
->mode_config
.tv_flicker_reduction_property
=
1031 drm_property_create_range(dev
, 0, "flicker reduction", 0, 100);
1033 dev
->mode_config
.tv_overscan_property
=
1034 drm_property_create_range(dev
, 0, "overscan", 0, 100);
1036 dev
->mode_config
.tv_saturation_property
=
1037 drm_property_create_range(dev
, 0, "saturation", 0, 100);
1039 dev
->mode_config
.tv_hue_property
=
1040 drm_property_create_range(dev
, 0, "hue", 0, 100);
1044 EXPORT_SYMBOL(drm_mode_create_tv_properties
);
1047 * drm_mode_create_scaling_mode_property - create scaling mode property
1050 * Called by a driver the first time it's needed, must be attached to desired
1053 int drm_mode_create_scaling_mode_property(struct drm_device
*dev
)
1055 struct drm_property
*scaling_mode
;
1057 if (dev
->mode_config
.scaling_mode_property
)
1061 drm_property_create_enum(dev
, 0, "scaling mode",
1062 drm_scaling_mode_enum_list
,
1063 ARRAY_SIZE(drm_scaling_mode_enum_list
));
1065 dev
->mode_config
.scaling_mode_property
= scaling_mode
;
1069 EXPORT_SYMBOL(drm_mode_create_scaling_mode_property
);
1072 * drm_mode_create_dithering_property - create dithering property
1075 * Called by a driver the first time it's needed, must be attached to desired
1078 int drm_mode_create_dithering_property(struct drm_device
*dev
)
1080 struct drm_property
*dithering_mode
;
1082 if (dev
->mode_config
.dithering_mode_property
)
1086 drm_property_create_enum(dev
, 0, "dithering",
1087 drm_dithering_mode_enum_list
,
1088 ARRAY_SIZE(drm_dithering_mode_enum_list
));
1089 dev
->mode_config
.dithering_mode_property
= dithering_mode
;
1093 EXPORT_SYMBOL(drm_mode_create_dithering_property
);
1096 * drm_mode_create_dirty_property - create dirty property
1099 * Called by a driver the first time it's needed, must be attached to desired
1102 int drm_mode_create_dirty_info_property(struct drm_device
*dev
)
1104 struct drm_property
*dirty_info
;
1106 if (dev
->mode_config
.dirty_info_property
)
1110 drm_property_create_enum(dev
, DRM_MODE_PROP_IMMUTABLE
,
1112 drm_dirty_info_enum_list
,
1113 ARRAY_SIZE(drm_dirty_info_enum_list
));
1114 dev
->mode_config
.dirty_info_property
= dirty_info
;
1118 EXPORT_SYMBOL(drm_mode_create_dirty_info_property
);
1121 * drm_mode_config_init - initialize DRM mode_configuration structure
1124 * Initialize @dev's mode_config structure, used for tracking the graphics
1125 * configuration of @dev.
1127 * Since this initializes the modeset locks, no locking is possible. Which is no
1128 * problem, since this should happen single threaded at init time. It is the
1129 * driver's problem to ensure this guarantee.
1132 void drm_mode_config_init(struct drm_device
*dev
)
1134 mutex_init(&dev
->mode_config
.mutex
);
1135 mutex_init(&dev
->mode_config
.idr_mutex
);
1136 mutex_init(&dev
->mode_config
.fb_lock
);
1137 INIT_LIST_HEAD(&dev
->mode_config
.fb_list
);
1138 INIT_LIST_HEAD(&dev
->mode_config
.crtc_list
);
1139 INIT_LIST_HEAD(&dev
->mode_config
.connector_list
);
1140 INIT_LIST_HEAD(&dev
->mode_config
.encoder_list
);
1141 INIT_LIST_HEAD(&dev
->mode_config
.property_list
);
1142 INIT_LIST_HEAD(&dev
->mode_config
.property_blob_list
);
1143 INIT_LIST_HEAD(&dev
->mode_config
.plane_list
);
1144 idr_init(&dev
->mode_config
.crtc_idr
);
1146 drm_modeset_lock_all(dev
);
1147 drm_mode_create_standard_connector_properties(dev
);
1148 drm_modeset_unlock_all(dev
);
1150 /* Just to be sure */
1151 dev
->mode_config
.num_fb
= 0;
1152 dev
->mode_config
.num_connector
= 0;
1153 dev
->mode_config
.num_crtc
= 0;
1154 dev
->mode_config
.num_encoder
= 0;
1156 EXPORT_SYMBOL(drm_mode_config_init
);
1158 int drm_mode_group_init(struct drm_device
*dev
, struct drm_mode_group
*group
)
1160 uint32_t total_objects
= 0;
1162 total_objects
+= dev
->mode_config
.num_crtc
;
1163 total_objects
+= dev
->mode_config
.num_connector
;
1164 total_objects
+= dev
->mode_config
.num_encoder
;
1166 group
->id_list
= kzalloc(total_objects
* sizeof(uint32_t), GFP_KERNEL
);
1167 if (!group
->id_list
)
1170 group
->num_crtcs
= 0;
1171 group
->num_connectors
= 0;
1172 group
->num_encoders
= 0;
1176 int drm_mode_group_init_legacy_group(struct drm_device
*dev
,
1177 struct drm_mode_group
*group
)
1179 struct drm_crtc
*crtc
;
1180 struct drm_encoder
*encoder
;
1181 struct drm_connector
*connector
;
1184 if ((ret
= drm_mode_group_init(dev
, group
)))
1187 list_for_each_entry(crtc
, &dev
->mode_config
.crtc_list
, head
)
1188 group
->id_list
[group
->num_crtcs
++] = crtc
->base
.id
;
1190 list_for_each_entry(encoder
, &dev
->mode_config
.encoder_list
, head
)
1191 group
->id_list
[group
->num_crtcs
+ group
->num_encoders
++] =
1194 list_for_each_entry(connector
, &dev
->mode_config
.connector_list
, head
)
1195 group
->id_list
[group
->num_crtcs
+ group
->num_encoders
+
1196 group
->num_connectors
++] = connector
->base
.id
;
1200 EXPORT_SYMBOL(drm_mode_group_init_legacy_group
);
1203 * drm_mode_config_cleanup - free up DRM mode_config info
1206 * Free up all the connectors and CRTCs associated with this DRM device, then
1207 * free up the framebuffers and associated buffer objects.
1209 * Note that since this /should/ happen single-threaded at driver/device
1210 * teardown time, no locking is required. It's the driver's job to ensure that
1211 * this guarantee actually holds true.
1213 * FIXME: cleanup any dangling user buffer objects too
1215 void drm_mode_config_cleanup(struct drm_device
*dev
)
1217 struct drm_connector
*connector
, *ot
;
1218 struct drm_crtc
*crtc
, *ct
;
1219 struct drm_encoder
*encoder
, *enct
;
1220 struct drm_framebuffer
*fb
, *fbt
;
1221 struct drm_property
*property
, *pt
;
1222 struct drm_plane
*plane
, *plt
;
1224 list_for_each_entry_safe(encoder
, enct
, &dev
->mode_config
.encoder_list
,
1226 encoder
->funcs
->destroy(encoder
);
1229 list_for_each_entry_safe(connector
, ot
,
1230 &dev
->mode_config
.connector_list
, head
) {
1231 connector
->funcs
->destroy(connector
);
1234 list_for_each_entry_safe(property
, pt
, &dev
->mode_config
.property_list
,
1236 drm_property_destroy(dev
, property
);
1240 * Single-threaded teardown context, so it's not required to grab the
1241 * fb_lock to protect against concurrent fb_list access. Contrary, it
1242 * would actually deadlock with the drm_framebuffer_cleanup function.
1244 * Also, if there are any framebuffers left, that's a driver leak now,
1245 * so politely WARN about this.
1247 WARN_ON(!list_empty(&dev
->mode_config
.fb_list
));
1248 list_for_each_entry_safe(fb
, fbt
, &dev
->mode_config
.fb_list
, head
) {
1249 drm_framebuffer_remove(fb
);
1252 list_for_each_entry_safe(plane
, plt
, &dev
->mode_config
.plane_list
,
1254 plane
->funcs
->destroy(plane
);
1257 list_for_each_entry_safe(crtc
, ct
, &dev
->mode_config
.crtc_list
, head
) {
1258 crtc
->funcs
->destroy(crtc
);
1261 idr_remove_all(&dev
->mode_config
.crtc_idr
);
1262 idr_destroy(&dev
->mode_config
.crtc_idr
);
1264 EXPORT_SYMBOL(drm_mode_config_cleanup
);
1267 * drm_crtc_convert_to_umode - convert a drm_display_mode into a modeinfo
1268 * @out: drm_mode_modeinfo struct to return to the user
1269 * @in: drm_display_mode to use
1271 * Convert a drm_display_mode into a drm_mode_modeinfo structure to return to
1274 static void drm_crtc_convert_to_umode(struct drm_mode_modeinfo
*out
,
1275 const struct drm_display_mode
*in
)
1277 WARN(in
->hdisplay
> USHRT_MAX
|| in
->hsync_start
> USHRT_MAX
||
1278 in
->hsync_end
> USHRT_MAX
|| in
->htotal
> USHRT_MAX
||
1279 in
->hskew
> USHRT_MAX
|| in
->vdisplay
> USHRT_MAX
||
1280 in
->vsync_start
> USHRT_MAX
|| in
->vsync_end
> USHRT_MAX
||
1281 in
->vtotal
> USHRT_MAX
|| in
->vscan
> USHRT_MAX
,
1282 "timing values too large for mode info\n");
1284 out
->clock
= in
->clock
;
1285 out
->hdisplay
= in
->hdisplay
;
1286 out
->hsync_start
= in
->hsync_start
;
1287 out
->hsync_end
= in
->hsync_end
;
1288 out
->htotal
= in
->htotal
;
1289 out
->hskew
= in
->hskew
;
1290 out
->vdisplay
= in
->vdisplay
;
1291 out
->vsync_start
= in
->vsync_start
;
1292 out
->vsync_end
= in
->vsync_end
;
1293 out
->vtotal
= in
->vtotal
;
1294 out
->vscan
= in
->vscan
;
1295 out
->vrefresh
= in
->vrefresh
;
1296 out
->flags
= in
->flags
;
1297 out
->type
= in
->type
;
1298 strncpy(out
->name
, in
->name
, DRM_DISPLAY_MODE_LEN
);
1299 out
->name
[DRM_DISPLAY_MODE_LEN
-1] = 0;
1303 * drm_crtc_convert_to_umode - convert a modeinfo into a drm_display_mode
1304 * @out: drm_display_mode to return to the user
1305 * @in: drm_mode_modeinfo to use
1307 * Convert a drm_mode_modeinfo into a drm_display_mode structure to return to
1311 * Zero on success, errno on failure.
1313 static int drm_crtc_convert_umode(struct drm_display_mode
*out
,
1314 const struct drm_mode_modeinfo
*in
)
1316 if (in
->clock
> INT_MAX
|| in
->vrefresh
> INT_MAX
)
1319 out
->clock
= in
->clock
;
1320 out
->hdisplay
= in
->hdisplay
;
1321 out
->hsync_start
= in
->hsync_start
;
1322 out
->hsync_end
= in
->hsync_end
;
1323 out
->htotal
= in
->htotal
;
1324 out
->hskew
= in
->hskew
;
1325 out
->vdisplay
= in
->vdisplay
;
1326 out
->vsync_start
= in
->vsync_start
;
1327 out
->vsync_end
= in
->vsync_end
;
1328 out
->vtotal
= in
->vtotal
;
1329 out
->vscan
= in
->vscan
;
1330 out
->vrefresh
= in
->vrefresh
;
1331 out
->flags
= in
->flags
;
1332 out
->type
= in
->type
;
1333 strncpy(out
->name
, in
->name
, DRM_DISPLAY_MODE_LEN
);
1334 out
->name
[DRM_DISPLAY_MODE_LEN
-1] = 0;
1340 * drm_mode_getresources - get graphics configuration
1341 * @dev: drm device for the ioctl
1342 * @data: data pointer for the ioctl
1343 * @file_priv: drm file for the ioctl call
1345 * Construct a set of configuration description structures and return
1346 * them to the user, including CRTC, connector and framebuffer configuration.
1348 * Called by the user via ioctl.
1351 * Zero on success, errno on failure.
1353 int drm_mode_getresources(struct drm_device
*dev
, void *data
,
1354 struct drm_file
*file_priv
)
1356 struct drm_mode_card_res
*card_res
= data
;
1357 struct list_head
*lh
;
1358 struct drm_framebuffer
*fb
;
1359 struct drm_connector
*connector
;
1360 struct drm_crtc
*crtc
;
1361 struct drm_encoder
*encoder
;
1363 int connector_count
= 0;
1366 int encoder_count
= 0;
1368 uint32_t __user
*fb_id
;
1369 uint32_t __user
*crtc_id
;
1370 uint32_t __user
*connector_id
;
1371 uint32_t __user
*encoder_id
;
1372 struct drm_mode_group
*mode_group
;
1374 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
1378 mutex_lock(&file_priv
->fbs_lock
);
1380 * For the non-control nodes we need to limit the list of resources
1381 * by IDs in the group list for this node
1383 list_for_each(lh
, &file_priv
->fbs
)
1386 /* handle this in 4 parts */
1388 if (card_res
->count_fbs
>= fb_count
) {
1390 fb_id
= (uint32_t __user
*)(unsigned long)card_res
->fb_id_ptr
;
1391 list_for_each_entry(fb
, &file_priv
->fbs
, filp_head
) {
1392 if (put_user(fb
->base
.id
, fb_id
+ copied
)) {
1393 mutex_unlock(&file_priv
->fbs_lock
);
1399 card_res
->count_fbs
= fb_count
;
1400 mutex_unlock(&file_priv
->fbs_lock
);
1402 drm_modeset_lock_all(dev
);
1403 mode_group
= &file_priv
->master
->minor
->mode_group
;
1404 if (file_priv
->master
->minor
->type
== DRM_MINOR_CONTROL
) {
1406 list_for_each(lh
, &dev
->mode_config
.crtc_list
)
1409 list_for_each(lh
, &dev
->mode_config
.connector_list
)
1412 list_for_each(lh
, &dev
->mode_config
.encoder_list
)
1416 crtc_count
= mode_group
->num_crtcs
;
1417 connector_count
= mode_group
->num_connectors
;
1418 encoder_count
= mode_group
->num_encoders
;
1421 card_res
->max_height
= dev
->mode_config
.max_height
;
1422 card_res
->min_height
= dev
->mode_config
.min_height
;
1423 card_res
->max_width
= dev
->mode_config
.max_width
;
1424 card_res
->min_width
= dev
->mode_config
.min_width
;
1427 if (card_res
->count_crtcs
>= crtc_count
) {
1429 crtc_id
= (uint32_t __user
*)(unsigned long)card_res
->crtc_id_ptr
;
1430 if (file_priv
->master
->minor
->type
== DRM_MINOR_CONTROL
) {
1431 list_for_each_entry(crtc
, &dev
->mode_config
.crtc_list
,
1433 DRM_DEBUG_KMS("[CRTC:%d]\n", crtc
->base
.id
);
1434 if (put_user(crtc
->base
.id
, crtc_id
+ copied
)) {
1441 for (i
= 0; i
< mode_group
->num_crtcs
; i
++) {
1442 if (put_user(mode_group
->id_list
[i
],
1443 crtc_id
+ copied
)) {
1451 card_res
->count_crtcs
= crtc_count
;
1454 if (card_res
->count_encoders
>= encoder_count
) {
1456 encoder_id
= (uint32_t __user
*)(unsigned long)card_res
->encoder_id_ptr
;
1457 if (file_priv
->master
->minor
->type
== DRM_MINOR_CONTROL
) {
1458 list_for_each_entry(encoder
,
1459 &dev
->mode_config
.encoder_list
,
1461 DRM_DEBUG_KMS("[ENCODER:%d:%s]\n", encoder
->base
.id
,
1462 drm_get_encoder_name(encoder
));
1463 if (put_user(encoder
->base
.id
, encoder_id
+
1471 for (i
= mode_group
->num_crtcs
; i
< mode_group
->num_crtcs
+ mode_group
->num_encoders
; i
++) {
1472 if (put_user(mode_group
->id_list
[i
],
1473 encoder_id
+ copied
)) {
1482 card_res
->count_encoders
= encoder_count
;
1485 if (card_res
->count_connectors
>= connector_count
) {
1487 connector_id
= (uint32_t __user
*)(unsigned long)card_res
->connector_id_ptr
;
1488 if (file_priv
->master
->minor
->type
== DRM_MINOR_CONTROL
) {
1489 list_for_each_entry(connector
,
1490 &dev
->mode_config
.connector_list
,
1492 DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
1494 drm_get_connector_name(connector
));
1495 if (put_user(connector
->base
.id
,
1496 connector_id
+ copied
)) {
1503 int start
= mode_group
->num_crtcs
+
1504 mode_group
->num_encoders
;
1505 for (i
= start
; i
< start
+ mode_group
->num_connectors
; i
++) {
1506 if (put_user(mode_group
->id_list
[i
],
1507 connector_id
+ copied
)) {
1515 card_res
->count_connectors
= connector_count
;
1517 DRM_DEBUG_KMS("CRTC[%d] CONNECTORS[%d] ENCODERS[%d]\n", card_res
->count_crtcs
,
1518 card_res
->count_connectors
, card_res
->count_encoders
);
1521 drm_modeset_unlock_all(dev
);
1526 * drm_mode_getcrtc - get CRTC configuration
1527 * @dev: drm device for the ioctl
1528 * @data: data pointer for the ioctl
1529 * @file_priv: drm file for the ioctl call
1531 * Construct a CRTC configuration structure to return to the user.
1533 * Called by the user via ioctl.
1536 * Zero on success, errno on failure.
1538 int drm_mode_getcrtc(struct drm_device
*dev
,
1539 void *data
, struct drm_file
*file_priv
)
1541 struct drm_mode_crtc
*crtc_resp
= data
;
1542 struct drm_crtc
*crtc
;
1543 struct drm_mode_object
*obj
;
1546 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
1549 drm_modeset_lock_all(dev
);
1551 obj
= drm_mode_object_find(dev
, crtc_resp
->crtc_id
,
1552 DRM_MODE_OBJECT_CRTC
);
1557 crtc
= obj_to_crtc(obj
);
1559 crtc_resp
->x
= crtc
->x
;
1560 crtc_resp
->y
= crtc
->y
;
1561 crtc_resp
->gamma_size
= crtc
->gamma_size
;
1563 crtc_resp
->fb_id
= crtc
->fb
->base
.id
;
1565 crtc_resp
->fb_id
= 0;
1567 if (crtc
->enabled
) {
1569 drm_crtc_convert_to_umode(&crtc_resp
->mode
, &crtc
->mode
);
1570 crtc_resp
->mode_valid
= 1;
1573 crtc_resp
->mode_valid
= 0;
1577 drm_modeset_unlock_all(dev
);
1582 * drm_mode_getconnector - get connector configuration
1583 * @dev: drm device for the ioctl
1584 * @data: data pointer for the ioctl
1585 * @file_priv: drm file for the ioctl call
1587 * Construct a connector configuration structure to return to the user.
1589 * Called by the user via ioctl.
1592 * Zero on success, errno on failure.
1594 int drm_mode_getconnector(struct drm_device
*dev
, void *data
,
1595 struct drm_file
*file_priv
)
1597 struct drm_mode_get_connector
*out_resp
= data
;
1598 struct drm_mode_object
*obj
;
1599 struct drm_connector
*connector
;
1600 struct drm_display_mode
*mode
;
1602 int props_count
= 0;
1603 int encoders_count
= 0;
1607 struct drm_mode_modeinfo u_mode
;
1608 struct drm_mode_modeinfo __user
*mode_ptr
;
1609 uint32_t __user
*prop_ptr
;
1610 uint64_t __user
*prop_values
;
1611 uint32_t __user
*encoder_ptr
;
1613 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
1616 memset(&u_mode
, 0, sizeof(struct drm_mode_modeinfo
));
1618 DRM_DEBUG_KMS("[CONNECTOR:%d:?]\n", out_resp
->connector_id
);
1620 mutex_lock(&dev
->mode_config
.mutex
);
1622 obj
= drm_mode_object_find(dev
, out_resp
->connector_id
,
1623 DRM_MODE_OBJECT_CONNECTOR
);
1628 connector
= obj_to_connector(obj
);
1630 props_count
= connector
->properties
.count
;
1632 for (i
= 0; i
< DRM_CONNECTOR_MAX_ENCODER
; i
++) {
1633 if (connector
->encoder_ids
[i
] != 0) {
1638 if (out_resp
->count_modes
== 0) {
1639 connector
->funcs
->fill_modes(connector
,
1640 dev
->mode_config
.max_width
,
1641 dev
->mode_config
.max_height
);
1644 /* delayed so we get modes regardless of pre-fill_modes state */
1645 list_for_each_entry(mode
, &connector
->modes
, head
)
1648 out_resp
->connector_id
= connector
->base
.id
;
1649 out_resp
->connector_type
= connector
->connector_type
;
1650 out_resp
->connector_type_id
= connector
->connector_type_id
;
1651 out_resp
->mm_width
= connector
->display_info
.width_mm
;
1652 out_resp
->mm_height
= connector
->display_info
.height_mm
;
1653 out_resp
->subpixel
= connector
->display_info
.subpixel_order
;
1654 out_resp
->connection
= connector
->status
;
1655 if (connector
->encoder
)
1656 out_resp
->encoder_id
= connector
->encoder
->base
.id
;
1658 out_resp
->encoder_id
= 0;
1661 * This ioctl is called twice, once to determine how much space is
1662 * needed, and the 2nd time to fill it.
1664 if ((out_resp
->count_modes
>= mode_count
) && mode_count
) {
1666 mode_ptr
= (struct drm_mode_modeinfo __user
*)(unsigned long)out_resp
->modes_ptr
;
1667 list_for_each_entry(mode
, &connector
->modes
, head
) {
1668 drm_crtc_convert_to_umode(&u_mode
, mode
);
1669 if (copy_to_user(mode_ptr
+ copied
,
1670 &u_mode
, sizeof(u_mode
))) {
1677 out_resp
->count_modes
= mode_count
;
1679 if ((out_resp
->count_props
>= props_count
) && props_count
) {
1681 prop_ptr
= (uint32_t __user
*)(unsigned long)(out_resp
->props_ptr
);
1682 prop_values
= (uint64_t __user
*)(unsigned long)(out_resp
->prop_values_ptr
);
1683 for (i
= 0; i
< connector
->properties
.count
; i
++) {
1684 if (put_user(connector
->properties
.ids
[i
],
1685 prop_ptr
+ copied
)) {
1690 if (put_user(connector
->properties
.values
[i
],
1691 prop_values
+ copied
)) {
1698 out_resp
->count_props
= props_count
;
1700 if ((out_resp
->count_encoders
>= encoders_count
) && encoders_count
) {
1702 encoder_ptr
= (uint32_t __user
*)(unsigned long)(out_resp
->encoders_ptr
);
1703 for (i
= 0; i
< DRM_CONNECTOR_MAX_ENCODER
; i
++) {
1704 if (connector
->encoder_ids
[i
] != 0) {
1705 if (put_user(connector
->encoder_ids
[i
],
1706 encoder_ptr
+ copied
)) {
1714 out_resp
->count_encoders
= encoders_count
;
1717 mutex_unlock(&dev
->mode_config
.mutex
);
1722 int drm_mode_getencoder(struct drm_device
*dev
, void *data
,
1723 struct drm_file
*file_priv
)
1725 struct drm_mode_get_encoder
*enc_resp
= data
;
1726 struct drm_mode_object
*obj
;
1727 struct drm_encoder
*encoder
;
1730 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
1733 drm_modeset_lock_all(dev
);
1734 obj
= drm_mode_object_find(dev
, enc_resp
->encoder_id
,
1735 DRM_MODE_OBJECT_ENCODER
);
1740 encoder
= obj_to_encoder(obj
);
1743 enc_resp
->crtc_id
= encoder
->crtc
->base
.id
;
1745 enc_resp
->crtc_id
= 0;
1746 enc_resp
->encoder_type
= encoder
->encoder_type
;
1747 enc_resp
->encoder_id
= encoder
->base
.id
;
1748 enc_resp
->possible_crtcs
= encoder
->possible_crtcs
;
1749 enc_resp
->possible_clones
= encoder
->possible_clones
;
1752 drm_modeset_unlock_all(dev
);
1757 * drm_mode_getplane_res - get plane info
1760 * @file_priv: DRM file info
1762 * Return an plane count and set of IDs.
1764 int drm_mode_getplane_res(struct drm_device
*dev
, void *data
,
1765 struct drm_file
*file_priv
)
1767 struct drm_mode_get_plane_res
*plane_resp
= data
;
1768 struct drm_mode_config
*config
;
1769 struct drm_plane
*plane
;
1770 uint32_t __user
*plane_ptr
;
1771 int copied
= 0, ret
= 0;
1773 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
1776 drm_modeset_lock_all(dev
);
1777 config
= &dev
->mode_config
;
1780 * This ioctl is called twice, once to determine how much space is
1781 * needed, and the 2nd time to fill it.
1783 if (config
->num_plane
&&
1784 (plane_resp
->count_planes
>= config
->num_plane
)) {
1785 plane_ptr
= (uint32_t __user
*)(unsigned long)plane_resp
->plane_id_ptr
;
1787 list_for_each_entry(plane
, &config
->plane_list
, head
) {
1788 if (put_user(plane
->base
.id
, plane_ptr
+ copied
)) {
1795 plane_resp
->count_planes
= config
->num_plane
;
1798 drm_modeset_unlock_all(dev
);
1803 * drm_mode_getplane - get plane info
1806 * @file_priv: DRM file info
1808 * Return plane info, including formats supported, gamma size, any
1811 int drm_mode_getplane(struct drm_device
*dev
, void *data
,
1812 struct drm_file
*file_priv
)
1814 struct drm_mode_get_plane
*plane_resp
= data
;
1815 struct drm_mode_object
*obj
;
1816 struct drm_plane
*plane
;
1817 uint32_t __user
*format_ptr
;
1820 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
1823 drm_modeset_lock_all(dev
);
1824 obj
= drm_mode_object_find(dev
, plane_resp
->plane_id
,
1825 DRM_MODE_OBJECT_PLANE
);
1830 plane
= obj_to_plane(obj
);
1833 plane_resp
->crtc_id
= plane
->crtc
->base
.id
;
1835 plane_resp
->crtc_id
= 0;
1838 plane_resp
->fb_id
= plane
->fb
->base
.id
;
1840 plane_resp
->fb_id
= 0;
1842 plane_resp
->plane_id
= plane
->base
.id
;
1843 plane_resp
->possible_crtcs
= plane
->possible_crtcs
;
1844 plane_resp
->gamma_size
= plane
->gamma_size
;
1847 * This ioctl is called twice, once to determine how much space is
1848 * needed, and the 2nd time to fill it.
1850 if (plane
->format_count
&&
1851 (plane_resp
->count_format_types
>= plane
->format_count
)) {
1852 format_ptr
= (uint32_t __user
*)(unsigned long)plane_resp
->format_type_ptr
;
1853 if (copy_to_user(format_ptr
,
1854 plane
->format_types
,
1855 sizeof(uint32_t) * plane
->format_count
)) {
1860 plane_resp
->count_format_types
= plane
->format_count
;
1863 drm_modeset_unlock_all(dev
);
1868 * drm_mode_setplane - set up or tear down an plane
1870 * @data: ioctl data*
1871 * @file_priv: DRM file info
1873 * Set plane info, including placement, fb, scaling, and other factors.
1874 * Or pass a NULL fb to disable.
1876 int drm_mode_setplane(struct drm_device
*dev
, void *data
,
1877 struct drm_file
*file_priv
)
1879 struct drm_mode_set_plane
*plane_req
= data
;
1880 struct drm_mode_object
*obj
;
1881 struct drm_plane
*plane
;
1882 struct drm_crtc
*crtc
;
1883 struct drm_framebuffer
*fb
= NULL
, *old_fb
= NULL
;
1885 unsigned int fb_width
, fb_height
;
1888 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
1892 * First, find the plane, crtc, and fb objects. If not available,
1893 * we don't bother to call the driver.
1895 obj
= drm_mode_object_find(dev
, plane_req
->plane_id
,
1896 DRM_MODE_OBJECT_PLANE
);
1898 DRM_DEBUG_KMS("Unknown plane ID %d\n",
1899 plane_req
->plane_id
);
1902 plane
= obj_to_plane(obj
);
1904 /* No fb means shut it down */
1905 if (!plane_req
->fb_id
) {
1906 drm_modeset_lock_all(dev
);
1908 plane
->funcs
->disable_plane(plane
);
1911 drm_modeset_unlock_all(dev
);
1915 obj
= drm_mode_object_find(dev
, plane_req
->crtc_id
,
1916 DRM_MODE_OBJECT_CRTC
);
1918 DRM_DEBUG_KMS("Unknown crtc ID %d\n",
1919 plane_req
->crtc_id
);
1923 crtc
= obj_to_crtc(obj
);
1925 fb
= drm_framebuffer_lookup(dev
, plane_req
->fb_id
);
1927 DRM_DEBUG_KMS("Unknown framebuffer ID %d\n",
1933 /* Check whether this plane supports the fb pixel format. */
1934 for (i
= 0; i
< plane
->format_count
; i
++)
1935 if (fb
->pixel_format
== plane
->format_types
[i
])
1937 if (i
== plane
->format_count
) {
1938 DRM_DEBUG_KMS("Invalid pixel format 0x%08x\n", fb
->pixel_format
);
1943 fb_width
= fb
->width
<< 16;
1944 fb_height
= fb
->height
<< 16;
1946 /* Make sure source coordinates are inside the fb. */
1947 if (plane_req
->src_w
> fb_width
||
1948 plane_req
->src_x
> fb_width
- plane_req
->src_w
||
1949 plane_req
->src_h
> fb_height
||
1950 plane_req
->src_y
> fb_height
- plane_req
->src_h
) {
1951 DRM_DEBUG_KMS("Invalid source coordinates "
1952 "%u.%06ux%u.%06u+%u.%06u+%u.%06u\n",
1953 plane_req
->src_w
>> 16,
1954 ((plane_req
->src_w
& 0xffff) * 15625) >> 10,
1955 plane_req
->src_h
>> 16,
1956 ((plane_req
->src_h
& 0xffff) * 15625) >> 10,
1957 plane_req
->src_x
>> 16,
1958 ((plane_req
->src_x
& 0xffff) * 15625) >> 10,
1959 plane_req
->src_y
>> 16,
1960 ((plane_req
->src_y
& 0xffff) * 15625) >> 10);
1965 /* Give drivers some help against integer overflows */
1966 if (plane_req
->crtc_w
> INT_MAX
||
1967 plane_req
->crtc_x
> INT_MAX
- (int32_t) plane_req
->crtc_w
||
1968 plane_req
->crtc_h
> INT_MAX
||
1969 plane_req
->crtc_y
> INT_MAX
- (int32_t) plane_req
->crtc_h
) {
1970 DRM_DEBUG_KMS("Invalid CRTC coordinates %ux%u+%d+%d\n",
1971 plane_req
->crtc_w
, plane_req
->crtc_h
,
1972 plane_req
->crtc_x
, plane_req
->crtc_y
);
1977 drm_modeset_lock_all(dev
);
1978 ret
= plane
->funcs
->update_plane(plane
, crtc
, fb
,
1979 plane_req
->crtc_x
, plane_req
->crtc_y
,
1980 plane_req
->crtc_w
, plane_req
->crtc_h
,
1981 plane_req
->src_x
, plane_req
->src_y
,
1982 plane_req
->src_w
, plane_req
->src_h
);
1989 drm_modeset_unlock_all(dev
);
1993 drm_framebuffer_unreference(fb
);
1995 drm_framebuffer_unreference(old_fb
);
2001 * drm_mode_set_config_internal - helper to call ->set_config
2002 * @set: modeset config to set
2004 * This is a little helper to wrap internal calls to the ->set_config driver
2005 * interface. The only thing it adds is correct refcounting dance.
2007 int drm_mode_set_config_internal(struct drm_mode_set
*set
)
2009 struct drm_crtc
*crtc
= set
->crtc
;
2010 struct drm_framebuffer
*fb
, *old_fb
;
2016 ret
= crtc
->funcs
->set_config(set
);
2019 drm_framebuffer_unreference(old_fb
);
2021 drm_framebuffer_reference(fb
);
2026 EXPORT_SYMBOL(drm_mode_set_config_internal
);
2029 * drm_mode_setcrtc - set CRTC configuration
2030 * @dev: drm device for the ioctl
2031 * @data: data pointer for the ioctl
2032 * @file_priv: drm file for the ioctl call
2034 * Build a new CRTC configuration based on user request.
2036 * Called by the user via ioctl.
2039 * Zero on success, errno on failure.
2041 int drm_mode_setcrtc(struct drm_device
*dev
, void *data
,
2042 struct drm_file
*file_priv
)
2044 struct drm_mode_config
*config
= &dev
->mode_config
;
2045 struct drm_mode_crtc
*crtc_req
= data
;
2046 struct drm_mode_object
*obj
;
2047 struct drm_crtc
*crtc
;
2048 struct drm_connector
**connector_set
= NULL
, *connector
;
2049 struct drm_framebuffer
*fb
= NULL
;
2050 struct drm_display_mode
*mode
= NULL
;
2051 struct drm_mode_set set
;
2052 uint32_t __user
*set_connectors_ptr
;
2056 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
2059 /* For some reason crtc x/y offsets are signed internally. */
2060 if (crtc_req
->x
> INT_MAX
|| crtc_req
->y
> INT_MAX
)
2063 drm_modeset_lock_all(dev
);
2064 obj
= drm_mode_object_find(dev
, crtc_req
->crtc_id
,
2065 DRM_MODE_OBJECT_CRTC
);
2067 DRM_DEBUG_KMS("Unknown CRTC ID %d\n", crtc_req
->crtc_id
);
2071 crtc
= obj_to_crtc(obj
);
2072 DRM_DEBUG_KMS("[CRTC:%d]\n", crtc
->base
.id
);
2074 if (crtc_req
->mode_valid
) {
2075 int hdisplay
, vdisplay
;
2076 /* If we have a mode we need a framebuffer. */
2077 /* If we pass -1, set the mode with the currently bound fb */
2078 if (crtc_req
->fb_id
== -1) {
2080 DRM_DEBUG_KMS("CRTC doesn't have current FB\n");
2085 /* Make refcounting symmetric with the lookup path. */
2086 drm_framebuffer_reference(fb
);
2088 fb
= drm_framebuffer_lookup(dev
, crtc_req
->fb_id
);
2090 DRM_DEBUG_KMS("Unknown FB ID%d\n",
2097 mode
= drm_mode_create(dev
);
2103 ret
= drm_crtc_convert_umode(mode
, &crtc_req
->mode
);
2105 DRM_DEBUG_KMS("Invalid mode\n");
2109 drm_mode_set_crtcinfo(mode
, CRTC_INTERLACE_HALVE_V
);
2111 hdisplay
= mode
->hdisplay
;
2112 vdisplay
= mode
->vdisplay
;
2114 if (crtc
->invert_dimensions
)
2115 swap(hdisplay
, vdisplay
);
2117 if (hdisplay
> fb
->width
||
2118 vdisplay
> fb
->height
||
2119 crtc_req
->x
> fb
->width
- hdisplay
||
2120 crtc_req
->y
> fb
->height
- vdisplay
) {
2121 DRM_DEBUG_KMS("Invalid fb size %ux%u for CRTC viewport %ux%u+%d+%d%s.\n",
2122 fb
->width
, fb
->height
,
2123 hdisplay
, vdisplay
, crtc_req
->x
, crtc_req
->y
,
2124 crtc
->invert_dimensions
? " (inverted)" : "");
2130 if (crtc_req
->count_connectors
== 0 && mode
) {
2131 DRM_DEBUG_KMS("Count connectors is 0 but mode set\n");
2136 if (crtc_req
->count_connectors
> 0 && (!mode
|| !fb
)) {
2137 DRM_DEBUG_KMS("Count connectors is %d but no mode or fb set\n",
2138 crtc_req
->count_connectors
);
2143 if (crtc_req
->count_connectors
> 0) {
2146 /* Avoid unbounded kernel memory allocation */
2147 if (crtc_req
->count_connectors
> config
->num_connector
) {
2152 connector_set
= kmalloc(crtc_req
->count_connectors
*
2153 sizeof(struct drm_connector
*),
2155 if (!connector_set
) {
2160 for (i
= 0; i
< crtc_req
->count_connectors
; i
++) {
2161 set_connectors_ptr
= (uint32_t __user
*)(unsigned long)crtc_req
->set_connectors_ptr
;
2162 if (get_user(out_id
, &set_connectors_ptr
[i
])) {
2167 obj
= drm_mode_object_find(dev
, out_id
,
2168 DRM_MODE_OBJECT_CONNECTOR
);
2170 DRM_DEBUG_KMS("Connector id %d unknown\n",
2175 connector
= obj_to_connector(obj
);
2176 DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
2178 drm_get_connector_name(connector
));
2180 connector_set
[i
] = connector
;
2185 set
.x
= crtc_req
->x
;
2186 set
.y
= crtc_req
->y
;
2188 set
.connectors
= connector_set
;
2189 set
.num_connectors
= crtc_req
->count_connectors
;
2191 ret
= drm_mode_set_config_internal(&set
);
2195 drm_framebuffer_unreference(fb
);
2197 kfree(connector_set
);
2198 drm_mode_destroy(dev
, mode
);
2199 drm_modeset_unlock_all(dev
);
2203 int drm_mode_cursor_ioctl(struct drm_device
*dev
,
2204 void *data
, struct drm_file
*file_priv
)
2206 struct drm_mode_cursor
*req
= data
;
2207 struct drm_mode_object
*obj
;
2208 struct drm_crtc
*crtc
;
2211 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
2214 if (!req
->flags
|| (~DRM_MODE_CURSOR_FLAGS
& req
->flags
))
2217 obj
= drm_mode_object_find(dev
, req
->crtc_id
, DRM_MODE_OBJECT_CRTC
);
2219 DRM_DEBUG_KMS("Unknown CRTC ID %d\n", req
->crtc_id
);
2222 crtc
= obj_to_crtc(obj
);
2224 mutex_lock(&crtc
->mutex
);
2225 if (req
->flags
& DRM_MODE_CURSOR_BO
) {
2226 if (!crtc
->funcs
->cursor_set
) {
2230 /* Turns off the cursor if handle is 0 */
2231 ret
= crtc
->funcs
->cursor_set(crtc
, file_priv
, req
->handle
,
2232 req
->width
, req
->height
);
2235 if (req
->flags
& DRM_MODE_CURSOR_MOVE
) {
2236 if (crtc
->funcs
->cursor_move
) {
2237 ret
= crtc
->funcs
->cursor_move(crtc
, req
->x
, req
->y
);
2244 mutex_unlock(&crtc
->mutex
);
2249 /* Original addfb only supported RGB formats, so figure out which one */
2250 uint32_t drm_mode_legacy_fb_format(uint32_t bpp
, uint32_t depth
)
2256 fmt
= DRM_FORMAT_RGB332
;
2260 fmt
= DRM_FORMAT_XRGB1555
;
2262 fmt
= DRM_FORMAT_RGB565
;
2265 fmt
= DRM_FORMAT_RGB888
;
2269 fmt
= DRM_FORMAT_XRGB8888
;
2270 else if (depth
== 30)
2271 fmt
= DRM_FORMAT_XRGB2101010
;
2273 fmt
= DRM_FORMAT_ARGB8888
;
2276 DRM_ERROR("bad bpp, assuming x8r8g8b8 pixel format\n");
2277 fmt
= DRM_FORMAT_XRGB8888
;
2283 EXPORT_SYMBOL(drm_mode_legacy_fb_format
);
2286 * drm_mode_addfb - add an FB to the graphics configuration
2287 * @dev: drm device for the ioctl
2288 * @data: data pointer for the ioctl
2289 * @file_priv: drm file for the ioctl call
2291 * Add a new FB to the specified CRTC, given a user request.
2293 * Called by the user via ioctl.
2296 * Zero on success, errno on failure.
2298 int drm_mode_addfb(struct drm_device
*dev
,
2299 void *data
, struct drm_file
*file_priv
)
2301 struct drm_mode_fb_cmd
*or = data
;
2302 struct drm_mode_fb_cmd2 r
= {};
2303 struct drm_mode_config
*config
= &dev
->mode_config
;
2304 struct drm_framebuffer
*fb
;
2307 /* Use new struct with format internally */
2308 r
.fb_id
= or->fb_id
;
2309 r
.width
= or->width
;
2310 r
.height
= or->height
;
2311 r
.pitches
[0] = or->pitch
;
2312 r
.pixel_format
= drm_mode_legacy_fb_format(or->bpp
, or->depth
);
2313 r
.handles
[0] = or->handle
;
2315 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
2318 if ((config
->min_width
> r
.width
) || (r
.width
> config
->max_width
))
2321 if ((config
->min_height
> r
.height
) || (r
.height
> config
->max_height
))
2324 fb
= dev
->mode_config
.funcs
->fb_create(dev
, file_priv
, &r
);
2326 DRM_DEBUG_KMS("could not create framebuffer\n");
2327 drm_modeset_unlock_all(dev
);
2331 mutex_lock(&file_priv
->fbs_lock
);
2332 or->fb_id
= fb
->base
.id
;
2333 list_add(&fb
->filp_head
, &file_priv
->fbs
);
2334 DRM_DEBUG_KMS("[FB:%d]\n", fb
->base
.id
);
2335 mutex_unlock(&file_priv
->fbs_lock
);
2340 static int format_check(const struct drm_mode_fb_cmd2
*r
)
2342 uint32_t format
= r
->pixel_format
& ~DRM_FORMAT_BIG_ENDIAN
;
2346 case DRM_FORMAT_RGB332
:
2347 case DRM_FORMAT_BGR233
:
2348 case DRM_FORMAT_XRGB4444
:
2349 case DRM_FORMAT_XBGR4444
:
2350 case DRM_FORMAT_RGBX4444
:
2351 case DRM_FORMAT_BGRX4444
:
2352 case DRM_FORMAT_ARGB4444
:
2353 case DRM_FORMAT_ABGR4444
:
2354 case DRM_FORMAT_RGBA4444
:
2355 case DRM_FORMAT_BGRA4444
:
2356 case DRM_FORMAT_XRGB1555
:
2357 case DRM_FORMAT_XBGR1555
:
2358 case DRM_FORMAT_RGBX5551
:
2359 case DRM_FORMAT_BGRX5551
:
2360 case DRM_FORMAT_ARGB1555
:
2361 case DRM_FORMAT_ABGR1555
:
2362 case DRM_FORMAT_RGBA5551
:
2363 case DRM_FORMAT_BGRA5551
:
2364 case DRM_FORMAT_RGB565
:
2365 case DRM_FORMAT_BGR565
:
2366 case DRM_FORMAT_RGB888
:
2367 case DRM_FORMAT_BGR888
:
2368 case DRM_FORMAT_XRGB8888
:
2369 case DRM_FORMAT_XBGR8888
:
2370 case DRM_FORMAT_RGBX8888
:
2371 case DRM_FORMAT_BGRX8888
:
2372 case DRM_FORMAT_ARGB8888
:
2373 case DRM_FORMAT_ABGR8888
:
2374 case DRM_FORMAT_RGBA8888
:
2375 case DRM_FORMAT_BGRA8888
:
2376 case DRM_FORMAT_XRGB2101010
:
2377 case DRM_FORMAT_XBGR2101010
:
2378 case DRM_FORMAT_RGBX1010102
:
2379 case DRM_FORMAT_BGRX1010102
:
2380 case DRM_FORMAT_ARGB2101010
:
2381 case DRM_FORMAT_ABGR2101010
:
2382 case DRM_FORMAT_RGBA1010102
:
2383 case DRM_FORMAT_BGRA1010102
:
2384 case DRM_FORMAT_YUYV
:
2385 case DRM_FORMAT_YVYU
:
2386 case DRM_FORMAT_UYVY
:
2387 case DRM_FORMAT_VYUY
:
2388 case DRM_FORMAT_AYUV
:
2389 case DRM_FORMAT_NV12
:
2390 case DRM_FORMAT_NV21
:
2391 case DRM_FORMAT_NV16
:
2392 case DRM_FORMAT_NV61
:
2393 case DRM_FORMAT_NV24
:
2394 case DRM_FORMAT_NV42
:
2395 case DRM_FORMAT_YUV410
:
2396 case DRM_FORMAT_YVU410
:
2397 case DRM_FORMAT_YUV411
:
2398 case DRM_FORMAT_YVU411
:
2399 case DRM_FORMAT_YUV420
:
2400 case DRM_FORMAT_YVU420
:
2401 case DRM_FORMAT_YUV422
:
2402 case DRM_FORMAT_YVU422
:
2403 case DRM_FORMAT_YUV444
:
2404 case DRM_FORMAT_YVU444
:
2411 static int framebuffer_check(const struct drm_mode_fb_cmd2
*r
)
2413 int ret
, hsub
, vsub
, num_planes
, i
;
2415 ret
= format_check(r
);
2417 DRM_DEBUG_KMS("bad framebuffer format 0x%08x\n", r
->pixel_format
);
2421 hsub
= drm_format_horz_chroma_subsampling(r
->pixel_format
);
2422 vsub
= drm_format_vert_chroma_subsampling(r
->pixel_format
);
2423 num_planes
= drm_format_num_planes(r
->pixel_format
);
2425 if (r
->width
== 0 || r
->width
% hsub
) {
2426 DRM_DEBUG_KMS("bad framebuffer width %u\n", r
->height
);
2430 if (r
->height
== 0 || r
->height
% vsub
) {
2431 DRM_DEBUG_KMS("bad framebuffer height %u\n", r
->height
);
2435 for (i
= 0; i
< num_planes
; i
++) {
2436 unsigned int width
= r
->width
/ (i
!= 0 ? hsub
: 1);
2437 unsigned int height
= r
->height
/ (i
!= 0 ? vsub
: 1);
2438 unsigned int cpp
= drm_format_plane_cpp(r
->pixel_format
, i
);
2440 if (!r
->handles
[i
]) {
2441 DRM_DEBUG_KMS("no buffer object handle for plane %d\n", i
);
2445 if ((uint64_t) width
* cpp
> UINT_MAX
)
2448 if ((uint64_t) height
* r
->pitches
[i
] + r
->offsets
[i
] > UINT_MAX
)
2451 if (r
->pitches
[i
] < width
* cpp
) {
2452 DRM_DEBUG_KMS("bad pitch %u for plane %d\n", r
->pitches
[i
], i
);
2461 * drm_mode_addfb2 - add an FB to the graphics configuration
2462 * @dev: drm device for the ioctl
2463 * @data: data pointer for the ioctl
2464 * @file_priv: drm file for the ioctl call
2466 * Add a new FB to the specified CRTC, given a user request with format.
2468 * Called by the user via ioctl.
2471 * Zero on success, errno on failure.
2473 int drm_mode_addfb2(struct drm_device
*dev
,
2474 void *data
, struct drm_file
*file_priv
)
2476 struct drm_mode_fb_cmd2
*r
= data
;
2477 struct drm_mode_config
*config
= &dev
->mode_config
;
2478 struct drm_framebuffer
*fb
;
2481 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
2484 if (r
->flags
& ~DRM_MODE_FB_INTERLACED
) {
2485 DRM_DEBUG_KMS("bad framebuffer flags 0x%08x\n", r
->flags
);
2489 if ((config
->min_width
> r
->width
) || (r
->width
> config
->max_width
)) {
2490 DRM_DEBUG_KMS("bad framebuffer width %d, should be >= %d && <= %d\n",
2491 r
->width
, config
->min_width
, config
->max_width
);
2494 if ((config
->min_height
> r
->height
) || (r
->height
> config
->max_height
)) {
2495 DRM_DEBUG_KMS("bad framebuffer height %d, should be >= %d && <= %d\n",
2496 r
->height
, config
->min_height
, config
->max_height
);
2500 ret
= framebuffer_check(r
);
2504 fb
= dev
->mode_config
.funcs
->fb_create(dev
, file_priv
, r
);
2506 DRM_DEBUG_KMS("could not create framebuffer\n");
2507 drm_modeset_unlock_all(dev
);
2511 mutex_lock(&file_priv
->fbs_lock
);
2512 r
->fb_id
= fb
->base
.id
;
2513 list_add(&fb
->filp_head
, &file_priv
->fbs
);
2514 DRM_DEBUG_KMS("[FB:%d]\n", fb
->base
.id
);
2515 mutex_unlock(&file_priv
->fbs_lock
);
2522 * drm_mode_rmfb - remove an FB from the configuration
2523 * @dev: drm device for the ioctl
2524 * @data: data pointer for the ioctl
2525 * @file_priv: drm file for the ioctl call
2527 * Remove the FB specified by the user.
2529 * Called by the user via ioctl.
2532 * Zero on success, errno on failure.
2534 int drm_mode_rmfb(struct drm_device
*dev
,
2535 void *data
, struct drm_file
*file_priv
)
2537 struct drm_framebuffer
*fb
= NULL
;
2538 struct drm_framebuffer
*fbl
= NULL
;
2539 uint32_t *id
= data
;
2542 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
2545 mutex_lock(&file_priv
->fbs_lock
);
2546 mutex_lock(&dev
->mode_config
.fb_lock
);
2547 fb
= __drm_framebuffer_lookup(dev
, *id
);
2551 list_for_each_entry(fbl
, &file_priv
->fbs
, filp_head
)
2557 /* Mark fb as reaped, we still have a ref from fpriv->fbs. */
2558 __drm_framebuffer_unregister(dev
, fb
);
2560 list_del_init(&fb
->filp_head
);
2561 mutex_unlock(&dev
->mode_config
.fb_lock
);
2562 mutex_unlock(&file_priv
->fbs_lock
);
2564 drm_framebuffer_remove(fb
);
2569 mutex_unlock(&dev
->mode_config
.fb_lock
);
2570 mutex_unlock(&file_priv
->fbs_lock
);
2576 * drm_mode_getfb - get FB info
2577 * @dev: drm device for the ioctl
2578 * @data: data pointer for the ioctl
2579 * @file_priv: drm file for the ioctl call
2581 * Lookup the FB given its ID and return info about it.
2583 * Called by the user via ioctl.
2586 * Zero on success, errno on failure.
2588 int drm_mode_getfb(struct drm_device
*dev
,
2589 void *data
, struct drm_file
*file_priv
)
2591 struct drm_mode_fb_cmd
*r
= data
;
2592 struct drm_framebuffer
*fb
;
2595 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
2598 fb
= drm_framebuffer_lookup(dev
, r
->fb_id
);
2602 r
->height
= fb
->height
;
2603 r
->width
= fb
->width
;
2604 r
->depth
= fb
->depth
;
2605 r
->bpp
= fb
->bits_per_pixel
;
2606 r
->pitch
= fb
->pitches
[0];
2607 if (fb
->funcs
->create_handle
)
2608 ret
= fb
->funcs
->create_handle(fb
, file_priv
, &r
->handle
);
2612 drm_framebuffer_unreference(fb
);
2617 int drm_mode_dirtyfb_ioctl(struct drm_device
*dev
,
2618 void *data
, struct drm_file
*file_priv
)
2620 struct drm_clip_rect __user
*clips_ptr
;
2621 struct drm_clip_rect
*clips
= NULL
;
2622 struct drm_mode_fb_dirty_cmd
*r
= data
;
2623 struct drm_framebuffer
*fb
;
2628 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
2631 fb
= drm_framebuffer_lookup(dev
, r
->fb_id
);
2635 num_clips
= r
->num_clips
;
2636 clips_ptr
= (struct drm_clip_rect __user
*)(unsigned long)r
->clips_ptr
;
2638 if (!num_clips
!= !clips_ptr
) {
2643 flags
= DRM_MODE_FB_DIRTY_FLAGS
& r
->flags
;
2645 /* If userspace annotates copy, clips must come in pairs */
2646 if (flags
& DRM_MODE_FB_DIRTY_ANNOTATE_COPY
&& (num_clips
% 2)) {
2651 if (num_clips
&& clips_ptr
) {
2652 if (num_clips
< 0 || num_clips
> DRM_MODE_FB_DIRTY_MAX_CLIPS
) {
2656 clips
= kzalloc(num_clips
* sizeof(*clips
), GFP_KERNEL
);
2662 ret
= copy_from_user(clips
, clips_ptr
,
2663 num_clips
* sizeof(*clips
));
2670 if (fb
->funcs
->dirty
) {
2671 drm_modeset_lock_all(dev
);
2672 ret
= fb
->funcs
->dirty(fb
, file_priv
, flags
, r
->color
,
2674 drm_modeset_unlock_all(dev
);
2682 drm_framebuffer_unreference(fb
);
2689 * drm_fb_release - remove and free the FBs on this file
2690 * @priv: drm file for the ioctl
2692 * Destroy all the FBs associated with @filp.
2694 * Called by the user via ioctl.
2697 * Zero on success, errno on failure.
2699 void drm_fb_release(struct drm_file
*priv
)
2701 struct drm_device
*dev
= priv
->minor
->dev
;
2702 struct drm_framebuffer
*fb
, *tfb
;
2704 mutex_lock(&priv
->fbs_lock
);
2705 list_for_each_entry_safe(fb
, tfb
, &priv
->fbs
, filp_head
) {
2707 mutex_lock(&dev
->mode_config
.fb_lock
);
2708 /* Mark fb as reaped, we still have a ref from fpriv->fbs. */
2709 __drm_framebuffer_unregister(dev
, fb
);
2710 mutex_unlock(&dev
->mode_config
.fb_lock
);
2712 list_del_init(&fb
->filp_head
);
2714 /* This will also drop the fpriv->fbs reference. */
2715 drm_framebuffer_remove(fb
);
2717 mutex_unlock(&priv
->fbs_lock
);
2721 * drm_mode_attachmode - add a mode to the user mode list
2723 * @connector: connector to add the mode to
2724 * @mode: mode to add
2726 * Add @mode to @connector's user mode list.
2728 static void drm_mode_attachmode(struct drm_device
*dev
,
2729 struct drm_connector
*connector
,
2730 struct drm_display_mode
*mode
)
2732 list_add_tail(&mode
->head
, &connector
->user_modes
);
2735 int drm_mode_attachmode_crtc(struct drm_device
*dev
, struct drm_crtc
*crtc
,
2736 const struct drm_display_mode
*mode
)
2738 struct drm_connector
*connector
;
2740 struct drm_display_mode
*dup_mode
, *next
;
2743 list_for_each_entry(connector
, &dev
->mode_config
.connector_list
, head
) {
2744 if (!connector
->encoder
)
2746 if (connector
->encoder
->crtc
== crtc
) {
2747 dup_mode
= drm_mode_duplicate(dev
, mode
);
2752 list_add_tail(&dup_mode
->head
, &list
);
2756 list_for_each_entry(connector
, &dev
->mode_config
.connector_list
, head
) {
2757 if (!connector
->encoder
)
2759 if (connector
->encoder
->crtc
== crtc
)
2760 list_move_tail(list
.next
, &connector
->user_modes
);
2763 WARN_ON(!list_empty(&list
));
2766 list_for_each_entry_safe(dup_mode
, next
, &list
, head
)
2767 drm_mode_destroy(dev
, dup_mode
);
2771 EXPORT_SYMBOL(drm_mode_attachmode_crtc
);
2773 static int drm_mode_detachmode(struct drm_device
*dev
,
2774 struct drm_connector
*connector
,
2775 struct drm_display_mode
*mode
)
2779 struct drm_display_mode
*match_mode
, *t
;
2781 list_for_each_entry_safe(match_mode
, t
, &connector
->user_modes
, head
) {
2782 if (drm_mode_equal(match_mode
, mode
)) {
2783 list_del(&match_mode
->head
);
2784 drm_mode_destroy(dev
, match_mode
);
2796 int drm_mode_detachmode_crtc(struct drm_device
*dev
, struct drm_display_mode
*mode
)
2798 struct drm_connector
*connector
;
2800 list_for_each_entry(connector
, &dev
->mode_config
.connector_list
, head
) {
2801 drm_mode_detachmode(dev
, connector
, mode
);
2805 EXPORT_SYMBOL(drm_mode_detachmode_crtc
);
2808 * drm_fb_attachmode - Attach a user mode to an connector
2809 * @dev: drm device for the ioctl
2810 * @data: data pointer for the ioctl
2811 * @file_priv: drm file for the ioctl call
2813 * This attaches a user specified mode to an connector.
2814 * Called by the user via ioctl.
2817 * Zero on success, errno on failure.
2819 int drm_mode_attachmode_ioctl(struct drm_device
*dev
,
2820 void *data
, struct drm_file
*file_priv
)
2822 struct drm_mode_mode_cmd
*mode_cmd
= data
;
2823 struct drm_connector
*connector
;
2824 struct drm_display_mode
*mode
;
2825 struct drm_mode_object
*obj
;
2826 struct drm_mode_modeinfo
*umode
= &mode_cmd
->mode
;
2829 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
2832 drm_modeset_lock_all(dev
);
2834 obj
= drm_mode_object_find(dev
, mode_cmd
->connector_id
, DRM_MODE_OBJECT_CONNECTOR
);
2839 connector
= obj_to_connector(obj
);
2841 mode
= drm_mode_create(dev
);
2847 ret
= drm_crtc_convert_umode(mode
, umode
);
2849 DRM_DEBUG_KMS("Invalid mode\n");
2850 drm_mode_destroy(dev
, mode
);
2854 drm_mode_attachmode(dev
, connector
, mode
);
2856 drm_modeset_unlock_all(dev
);
2862 * drm_fb_detachmode - Detach a user specified mode from an connector
2863 * @dev: drm device for the ioctl
2864 * @data: data pointer for the ioctl
2865 * @file_priv: drm file for the ioctl call
2867 * Called by the user via ioctl.
2870 * Zero on success, errno on failure.
2872 int drm_mode_detachmode_ioctl(struct drm_device
*dev
,
2873 void *data
, struct drm_file
*file_priv
)
2875 struct drm_mode_object
*obj
;
2876 struct drm_mode_mode_cmd
*mode_cmd
= data
;
2877 struct drm_connector
*connector
;
2878 struct drm_display_mode mode
;
2879 struct drm_mode_modeinfo
*umode
= &mode_cmd
->mode
;
2882 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
2885 drm_modeset_lock_all(dev
);
2887 obj
= drm_mode_object_find(dev
, mode_cmd
->connector_id
, DRM_MODE_OBJECT_CONNECTOR
);
2892 connector
= obj_to_connector(obj
);
2894 ret
= drm_crtc_convert_umode(&mode
, umode
);
2896 DRM_DEBUG_KMS("Invalid mode\n");
2900 ret
= drm_mode_detachmode(dev
, connector
, &mode
);
2902 drm_modeset_unlock_all(dev
);
2906 struct drm_property
*drm_property_create(struct drm_device
*dev
, int flags
,
2907 const char *name
, int num_values
)
2909 struct drm_property
*property
= NULL
;
2912 property
= kzalloc(sizeof(struct drm_property
), GFP_KERNEL
);
2917 property
->values
= kzalloc(sizeof(uint64_t)*num_values
, GFP_KERNEL
);
2918 if (!property
->values
)
2922 ret
= drm_mode_object_get(dev
, &property
->base
, DRM_MODE_OBJECT_PROPERTY
);
2926 property
->flags
= flags
;
2927 property
->num_values
= num_values
;
2928 INIT_LIST_HEAD(&property
->enum_blob_list
);
2931 strncpy(property
->name
, name
, DRM_PROP_NAME_LEN
);
2932 property
->name
[DRM_PROP_NAME_LEN
-1] = '\0';
2935 list_add_tail(&property
->head
, &dev
->mode_config
.property_list
);
2938 kfree(property
->values
);
2942 EXPORT_SYMBOL(drm_property_create
);
2944 struct drm_property
*drm_property_create_enum(struct drm_device
*dev
, int flags
,
2946 const struct drm_prop_enum_list
*props
,
2949 struct drm_property
*property
;
2952 flags
|= DRM_MODE_PROP_ENUM
;
2954 property
= drm_property_create(dev
, flags
, name
, num_values
);
2958 for (i
= 0; i
< num_values
; i
++) {
2959 ret
= drm_property_add_enum(property
, i
,
2963 drm_property_destroy(dev
, property
);
2970 EXPORT_SYMBOL(drm_property_create_enum
);
2972 struct drm_property
*drm_property_create_bitmask(struct drm_device
*dev
,
2973 int flags
, const char *name
,
2974 const struct drm_prop_enum_list
*props
,
2977 struct drm_property
*property
;
2980 flags
|= DRM_MODE_PROP_BITMASK
;
2982 property
= drm_property_create(dev
, flags
, name
, num_values
);
2986 for (i
= 0; i
< num_values
; i
++) {
2987 ret
= drm_property_add_enum(property
, i
,
2991 drm_property_destroy(dev
, property
);
2998 EXPORT_SYMBOL(drm_property_create_bitmask
);
3000 struct drm_property
*drm_property_create_range(struct drm_device
*dev
, int flags
,
3002 uint64_t min
, uint64_t max
)
3004 struct drm_property
*property
;
3006 flags
|= DRM_MODE_PROP_RANGE
;
3008 property
= drm_property_create(dev
, flags
, name
, 2);
3012 property
->values
[0] = min
;
3013 property
->values
[1] = max
;
3017 EXPORT_SYMBOL(drm_property_create_range
);
3019 int drm_property_add_enum(struct drm_property
*property
, int index
,
3020 uint64_t value
, const char *name
)
3022 struct drm_property_enum
*prop_enum
;
3024 if (!(property
->flags
& (DRM_MODE_PROP_ENUM
| DRM_MODE_PROP_BITMASK
)))
3028 * Bitmask enum properties have the additional constraint of values
3031 if ((property
->flags
& DRM_MODE_PROP_BITMASK
) && (value
> 63))
3034 if (!list_empty(&property
->enum_blob_list
)) {
3035 list_for_each_entry(prop_enum
, &property
->enum_blob_list
, head
) {
3036 if (prop_enum
->value
== value
) {
3037 strncpy(prop_enum
->name
, name
, DRM_PROP_NAME_LEN
);
3038 prop_enum
->name
[DRM_PROP_NAME_LEN
-1] = '\0';
3044 prop_enum
= kzalloc(sizeof(struct drm_property_enum
), GFP_KERNEL
);
3048 strncpy(prop_enum
->name
, name
, DRM_PROP_NAME_LEN
);
3049 prop_enum
->name
[DRM_PROP_NAME_LEN
-1] = '\0';
3050 prop_enum
->value
= value
;
3052 property
->values
[index
] = value
;
3053 list_add_tail(&prop_enum
->head
, &property
->enum_blob_list
);
3056 EXPORT_SYMBOL(drm_property_add_enum
);
3058 void drm_property_destroy(struct drm_device
*dev
, struct drm_property
*property
)
3060 struct drm_property_enum
*prop_enum
, *pt
;
3062 list_for_each_entry_safe(prop_enum
, pt
, &property
->enum_blob_list
, head
) {
3063 list_del(&prop_enum
->head
);
3067 if (property
->num_values
)
3068 kfree(property
->values
);
3069 drm_mode_object_put(dev
, &property
->base
);
3070 list_del(&property
->head
);
3073 EXPORT_SYMBOL(drm_property_destroy
);
3075 void drm_object_attach_property(struct drm_mode_object
*obj
,
3076 struct drm_property
*property
,
3079 int count
= obj
->properties
->count
;
3081 if (count
== DRM_OBJECT_MAX_PROPERTY
) {
3082 WARN(1, "Failed to attach object property (type: 0x%x). Please "
3083 "increase DRM_OBJECT_MAX_PROPERTY by 1 for each time "
3084 "you see this message on the same object type.\n",
3089 obj
->properties
->ids
[count
] = property
->base
.id
;
3090 obj
->properties
->values
[count
] = init_val
;
3091 obj
->properties
->count
++;
3093 EXPORT_SYMBOL(drm_object_attach_property
);
3095 int drm_object_property_set_value(struct drm_mode_object
*obj
,
3096 struct drm_property
*property
, uint64_t val
)
3100 for (i
= 0; i
< obj
->properties
->count
; i
++) {
3101 if (obj
->properties
->ids
[i
] == property
->base
.id
) {
3102 obj
->properties
->values
[i
] = val
;
3109 EXPORT_SYMBOL(drm_object_property_set_value
);
3111 int drm_object_property_get_value(struct drm_mode_object
*obj
,
3112 struct drm_property
*property
, uint64_t *val
)
3116 for (i
= 0; i
< obj
->properties
->count
; i
++) {
3117 if (obj
->properties
->ids
[i
] == property
->base
.id
) {
3118 *val
= obj
->properties
->values
[i
];
3125 EXPORT_SYMBOL(drm_object_property_get_value
);
3127 int drm_mode_getproperty_ioctl(struct drm_device
*dev
,
3128 void *data
, struct drm_file
*file_priv
)
3130 struct drm_mode_object
*obj
;
3131 struct drm_mode_get_property
*out_resp
= data
;
3132 struct drm_property
*property
;
3135 int value_count
= 0;
3138 struct drm_property_enum
*prop_enum
;
3139 struct drm_mode_property_enum __user
*enum_ptr
;
3140 struct drm_property_blob
*prop_blob
;
3141 uint32_t __user
*blob_id_ptr
;
3142 uint64_t __user
*values_ptr
;
3143 uint32_t __user
*blob_length_ptr
;
3145 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
3148 drm_modeset_lock_all(dev
);
3149 obj
= drm_mode_object_find(dev
, out_resp
->prop_id
, DRM_MODE_OBJECT_PROPERTY
);
3154 property
= obj_to_property(obj
);
3156 if (property
->flags
& (DRM_MODE_PROP_ENUM
| DRM_MODE_PROP_BITMASK
)) {
3157 list_for_each_entry(prop_enum
, &property
->enum_blob_list
, head
)
3159 } else if (property
->flags
& DRM_MODE_PROP_BLOB
) {
3160 list_for_each_entry(prop_blob
, &property
->enum_blob_list
, head
)
3164 value_count
= property
->num_values
;
3166 strncpy(out_resp
->name
, property
->name
, DRM_PROP_NAME_LEN
);
3167 out_resp
->name
[DRM_PROP_NAME_LEN
-1] = 0;
3168 out_resp
->flags
= property
->flags
;
3170 if ((out_resp
->count_values
>= value_count
) && value_count
) {
3171 values_ptr
= (uint64_t __user
*)(unsigned long)out_resp
->values_ptr
;
3172 for (i
= 0; i
< value_count
; i
++) {
3173 if (copy_to_user(values_ptr
+ i
, &property
->values
[i
], sizeof(uint64_t))) {
3179 out_resp
->count_values
= value_count
;
3181 if (property
->flags
& (DRM_MODE_PROP_ENUM
| DRM_MODE_PROP_BITMASK
)) {
3182 if ((out_resp
->count_enum_blobs
>= enum_count
) && enum_count
) {
3184 enum_ptr
= (struct drm_mode_property_enum __user
*)(unsigned long)out_resp
->enum_blob_ptr
;
3185 list_for_each_entry(prop_enum
, &property
->enum_blob_list
, head
) {
3187 if (copy_to_user(&enum_ptr
[copied
].value
, &prop_enum
->value
, sizeof(uint64_t))) {
3192 if (copy_to_user(&enum_ptr
[copied
].name
,
3193 &prop_enum
->name
, DRM_PROP_NAME_LEN
)) {
3200 out_resp
->count_enum_blobs
= enum_count
;
3203 if (property
->flags
& DRM_MODE_PROP_BLOB
) {
3204 if ((out_resp
->count_enum_blobs
>= blob_count
) && blob_count
) {
3206 blob_id_ptr
= (uint32_t __user
*)(unsigned long)out_resp
->enum_blob_ptr
;
3207 blob_length_ptr
= (uint32_t __user
*)(unsigned long)out_resp
->values_ptr
;
3209 list_for_each_entry(prop_blob
, &property
->enum_blob_list
, head
) {
3210 if (put_user(prop_blob
->base
.id
, blob_id_ptr
+ copied
)) {
3215 if (put_user(prop_blob
->length
, blob_length_ptr
+ copied
)) {
3223 out_resp
->count_enum_blobs
= blob_count
;
3226 drm_modeset_unlock_all(dev
);
3230 static struct drm_property_blob
*drm_property_create_blob(struct drm_device
*dev
, int length
,
3233 struct drm_property_blob
*blob
;
3236 if (!length
|| !data
)
3239 blob
= kzalloc(sizeof(struct drm_property_blob
)+length
, GFP_KERNEL
);
3243 ret
= drm_mode_object_get(dev
, &blob
->base
, DRM_MODE_OBJECT_BLOB
);
3249 blob
->length
= length
;
3251 memcpy(blob
->data
, data
, length
);
3253 list_add_tail(&blob
->head
, &dev
->mode_config
.property_blob_list
);
3257 static void drm_property_destroy_blob(struct drm_device
*dev
,
3258 struct drm_property_blob
*blob
)
3260 drm_mode_object_put(dev
, &blob
->base
);
3261 list_del(&blob
->head
);
3265 int drm_mode_getblob_ioctl(struct drm_device
*dev
,
3266 void *data
, struct drm_file
*file_priv
)
3268 struct drm_mode_object
*obj
;
3269 struct drm_mode_get_blob
*out_resp
= data
;
3270 struct drm_property_blob
*blob
;
3272 void __user
*blob_ptr
;
3274 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
3277 drm_modeset_lock_all(dev
);
3278 obj
= drm_mode_object_find(dev
, out_resp
->blob_id
, DRM_MODE_OBJECT_BLOB
);
3283 blob
= obj_to_blob(obj
);
3285 if (out_resp
->length
== blob
->length
) {
3286 blob_ptr
= (void __user
*)(unsigned long)out_resp
->data
;
3287 if (copy_to_user(blob_ptr
, blob
->data
, blob
->length
)){
3292 out_resp
->length
= blob
->length
;
3295 drm_modeset_unlock_all(dev
);
3299 int drm_mode_connector_update_edid_property(struct drm_connector
*connector
,
3302 struct drm_device
*dev
= connector
->dev
;
3305 if (connector
->edid_blob_ptr
)
3306 drm_property_destroy_blob(dev
, connector
->edid_blob_ptr
);
3308 /* Delete edid, when there is none. */
3310 connector
->edid_blob_ptr
= NULL
;
3311 ret
= drm_object_property_set_value(&connector
->base
, dev
->mode_config
.edid_property
, 0);
3315 size
= EDID_LENGTH
* (1 + edid
->extensions
);
3316 connector
->edid_blob_ptr
= drm_property_create_blob(connector
->dev
,
3318 if (!connector
->edid_blob_ptr
)
3321 ret
= drm_object_property_set_value(&connector
->base
,
3322 dev
->mode_config
.edid_property
,
3323 connector
->edid_blob_ptr
->base
.id
);
3327 EXPORT_SYMBOL(drm_mode_connector_update_edid_property
);
3329 static bool drm_property_change_is_valid(struct drm_property
*property
,
3332 if (property
->flags
& DRM_MODE_PROP_IMMUTABLE
)
3334 if (property
->flags
& DRM_MODE_PROP_RANGE
) {
3335 if (value
< property
->values
[0] || value
> property
->values
[1])
3338 } else if (property
->flags
& DRM_MODE_PROP_BITMASK
) {
3340 uint64_t valid_mask
= 0;
3341 for (i
= 0; i
< property
->num_values
; i
++)
3342 valid_mask
|= (1ULL << property
->values
[i
]);
3343 return !(value
& ~valid_mask
);
3344 } else if (property
->flags
& DRM_MODE_PROP_BLOB
) {
3345 /* Only the driver knows */
3349 for (i
= 0; i
< property
->num_values
; i
++)
3350 if (property
->values
[i
] == value
)
3356 int drm_mode_connector_property_set_ioctl(struct drm_device
*dev
,
3357 void *data
, struct drm_file
*file_priv
)
3359 struct drm_mode_connector_set_property
*conn_set_prop
= data
;
3360 struct drm_mode_obj_set_property obj_set_prop
= {
3361 .value
= conn_set_prop
->value
,
3362 .prop_id
= conn_set_prop
->prop_id
,
3363 .obj_id
= conn_set_prop
->connector_id
,
3364 .obj_type
= DRM_MODE_OBJECT_CONNECTOR
3367 /* It does all the locking and checking we need */
3368 return drm_mode_obj_set_property_ioctl(dev
, &obj_set_prop
, file_priv
);
3371 static int drm_mode_connector_set_obj_prop(struct drm_mode_object
*obj
,
3372 struct drm_property
*property
,
3376 struct drm_connector
*connector
= obj_to_connector(obj
);
3378 /* Do DPMS ourselves */
3379 if (property
== connector
->dev
->mode_config
.dpms_property
) {
3380 if (connector
->funcs
->dpms
)
3381 (*connector
->funcs
->dpms
)(connector
, (int)value
);
3383 } else if (connector
->funcs
->set_property
)
3384 ret
= connector
->funcs
->set_property(connector
, property
, value
);
3386 /* store the property value if successful */
3388 drm_object_property_set_value(&connector
->base
, property
, value
);
3392 static int drm_mode_crtc_set_obj_prop(struct drm_mode_object
*obj
,
3393 struct drm_property
*property
,
3397 struct drm_crtc
*crtc
= obj_to_crtc(obj
);
3399 if (crtc
->funcs
->set_property
)
3400 ret
= crtc
->funcs
->set_property(crtc
, property
, value
);
3402 drm_object_property_set_value(obj
, property
, value
);
3407 static int drm_mode_plane_set_obj_prop(struct drm_mode_object
*obj
,
3408 struct drm_property
*property
,
3412 struct drm_plane
*plane
= obj_to_plane(obj
);
3414 if (plane
->funcs
->set_property
)
3415 ret
= plane
->funcs
->set_property(plane
, property
, value
);
3417 drm_object_property_set_value(obj
, property
, value
);
3422 int drm_mode_obj_get_properties_ioctl(struct drm_device
*dev
, void *data
,
3423 struct drm_file
*file_priv
)
3425 struct drm_mode_obj_get_properties
*arg
= data
;
3426 struct drm_mode_object
*obj
;
3430 int props_count
= 0;
3431 uint32_t __user
*props_ptr
;
3432 uint64_t __user
*prop_values_ptr
;
3434 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
3437 drm_modeset_lock_all(dev
);
3439 obj
= drm_mode_object_find(dev
, arg
->obj_id
, arg
->obj_type
);
3444 if (!obj
->properties
) {
3449 props_count
= obj
->properties
->count
;
3451 /* This ioctl is called twice, once to determine how much space is
3452 * needed, and the 2nd time to fill it. */
3453 if ((arg
->count_props
>= props_count
) && props_count
) {
3455 props_ptr
= (uint32_t __user
*)(unsigned long)(arg
->props_ptr
);
3456 prop_values_ptr
= (uint64_t __user
*)(unsigned long)
3457 (arg
->prop_values_ptr
);
3458 for (i
= 0; i
< props_count
; i
++) {
3459 if (put_user(obj
->properties
->ids
[i
],
3460 props_ptr
+ copied
)) {
3464 if (put_user(obj
->properties
->values
[i
],
3465 prop_values_ptr
+ copied
)) {
3472 arg
->count_props
= props_count
;
3474 drm_modeset_unlock_all(dev
);
3478 int drm_mode_obj_set_property_ioctl(struct drm_device
*dev
, void *data
,
3479 struct drm_file
*file_priv
)
3481 struct drm_mode_obj_set_property
*arg
= data
;
3482 struct drm_mode_object
*arg_obj
;
3483 struct drm_mode_object
*prop_obj
;
3484 struct drm_property
*property
;
3488 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
3491 drm_modeset_lock_all(dev
);
3493 arg_obj
= drm_mode_object_find(dev
, arg
->obj_id
, arg
->obj_type
);
3496 if (!arg_obj
->properties
)
3499 for (i
= 0; i
< arg_obj
->properties
->count
; i
++)
3500 if (arg_obj
->properties
->ids
[i
] == arg
->prop_id
)
3503 if (i
== arg_obj
->properties
->count
)
3506 prop_obj
= drm_mode_object_find(dev
, arg
->prop_id
,
3507 DRM_MODE_OBJECT_PROPERTY
);
3510 property
= obj_to_property(prop_obj
);
3512 if (!drm_property_change_is_valid(property
, arg
->value
))
3515 switch (arg_obj
->type
) {
3516 case DRM_MODE_OBJECT_CONNECTOR
:
3517 ret
= drm_mode_connector_set_obj_prop(arg_obj
, property
,
3520 case DRM_MODE_OBJECT_CRTC
:
3521 ret
= drm_mode_crtc_set_obj_prop(arg_obj
, property
, arg
->value
);
3523 case DRM_MODE_OBJECT_PLANE
:
3524 ret
= drm_mode_plane_set_obj_prop(arg_obj
, property
, arg
->value
);
3529 drm_modeset_unlock_all(dev
);
3533 int drm_mode_connector_attach_encoder(struct drm_connector
*connector
,
3534 struct drm_encoder
*encoder
)
3538 for (i
= 0; i
< DRM_CONNECTOR_MAX_ENCODER
; i
++) {
3539 if (connector
->encoder_ids
[i
] == 0) {
3540 connector
->encoder_ids
[i
] = encoder
->base
.id
;
3546 EXPORT_SYMBOL(drm_mode_connector_attach_encoder
);
3548 void drm_mode_connector_detach_encoder(struct drm_connector
*connector
,
3549 struct drm_encoder
*encoder
)
3552 for (i
= 0; i
< DRM_CONNECTOR_MAX_ENCODER
; i
++) {
3553 if (connector
->encoder_ids
[i
] == encoder
->base
.id
) {
3554 connector
->encoder_ids
[i
] = 0;
3555 if (connector
->encoder
== encoder
)
3556 connector
->encoder
= NULL
;
3561 EXPORT_SYMBOL(drm_mode_connector_detach_encoder
);
3563 int drm_mode_crtc_set_gamma_size(struct drm_crtc
*crtc
,
3566 crtc
->gamma_size
= gamma_size
;
3568 crtc
->gamma_store
= kzalloc(gamma_size
* sizeof(uint16_t) * 3, GFP_KERNEL
);
3569 if (!crtc
->gamma_store
) {
3570 crtc
->gamma_size
= 0;
3576 EXPORT_SYMBOL(drm_mode_crtc_set_gamma_size
);
3578 int drm_mode_gamma_set_ioctl(struct drm_device
*dev
,
3579 void *data
, struct drm_file
*file_priv
)
3581 struct drm_mode_crtc_lut
*crtc_lut
= data
;
3582 struct drm_mode_object
*obj
;
3583 struct drm_crtc
*crtc
;
3584 void *r_base
, *g_base
, *b_base
;
3588 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
3591 drm_modeset_lock_all(dev
);
3592 obj
= drm_mode_object_find(dev
, crtc_lut
->crtc_id
, DRM_MODE_OBJECT_CRTC
);
3597 crtc
= obj_to_crtc(obj
);
3599 if (crtc
->funcs
->gamma_set
== NULL
) {
3604 /* memcpy into gamma store */
3605 if (crtc_lut
->gamma_size
!= crtc
->gamma_size
) {
3610 size
= crtc_lut
->gamma_size
* (sizeof(uint16_t));
3611 r_base
= crtc
->gamma_store
;
3612 if (copy_from_user(r_base
, (void __user
*)(unsigned long)crtc_lut
->red
, size
)) {
3617 g_base
= r_base
+ size
;
3618 if (copy_from_user(g_base
, (void __user
*)(unsigned long)crtc_lut
->green
, size
)) {
3623 b_base
= g_base
+ size
;
3624 if (copy_from_user(b_base
, (void __user
*)(unsigned long)crtc_lut
->blue
, size
)) {
3629 crtc
->funcs
->gamma_set(crtc
, r_base
, g_base
, b_base
, 0, crtc
->gamma_size
);
3632 drm_modeset_unlock_all(dev
);
3637 int drm_mode_gamma_get_ioctl(struct drm_device
*dev
,
3638 void *data
, struct drm_file
*file_priv
)
3640 struct drm_mode_crtc_lut
*crtc_lut
= data
;
3641 struct drm_mode_object
*obj
;
3642 struct drm_crtc
*crtc
;
3643 void *r_base
, *g_base
, *b_base
;
3647 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
3650 drm_modeset_lock_all(dev
);
3651 obj
= drm_mode_object_find(dev
, crtc_lut
->crtc_id
, DRM_MODE_OBJECT_CRTC
);
3656 crtc
= obj_to_crtc(obj
);
3658 /* memcpy into gamma store */
3659 if (crtc_lut
->gamma_size
!= crtc
->gamma_size
) {
3664 size
= crtc_lut
->gamma_size
* (sizeof(uint16_t));
3665 r_base
= crtc
->gamma_store
;
3666 if (copy_to_user((void __user
*)(unsigned long)crtc_lut
->red
, r_base
, size
)) {
3671 g_base
= r_base
+ size
;
3672 if (copy_to_user((void __user
*)(unsigned long)crtc_lut
->green
, g_base
, size
)) {
3677 b_base
= g_base
+ size
;
3678 if (copy_to_user((void __user
*)(unsigned long)crtc_lut
->blue
, b_base
, size
)) {
3683 drm_modeset_unlock_all(dev
);
3687 int drm_mode_page_flip_ioctl(struct drm_device
*dev
,
3688 void *data
, struct drm_file
*file_priv
)
3690 struct drm_mode_crtc_page_flip
*page_flip
= data
;
3691 struct drm_mode_object
*obj
;
3692 struct drm_crtc
*crtc
;
3693 struct drm_framebuffer
*fb
= NULL
, *old_fb
= NULL
;
3694 struct drm_pending_vblank_event
*e
= NULL
;
3695 unsigned long flags
;
3696 int hdisplay
, vdisplay
;
3699 if (page_flip
->flags
& ~DRM_MODE_PAGE_FLIP_FLAGS
||
3700 page_flip
->reserved
!= 0)
3703 obj
= drm_mode_object_find(dev
, page_flip
->crtc_id
, DRM_MODE_OBJECT_CRTC
);
3706 crtc
= obj_to_crtc(obj
);
3708 mutex_lock(&crtc
->mutex
);
3709 if (crtc
->fb
== NULL
) {
3710 /* The framebuffer is currently unbound, presumably
3711 * due to a hotplug event, that userspace has not
3718 if (crtc
->funcs
->page_flip
== NULL
)
3721 fb
= drm_framebuffer_lookup(dev
, page_flip
->fb_id
);
3725 hdisplay
= crtc
->mode
.hdisplay
;
3726 vdisplay
= crtc
->mode
.vdisplay
;
3728 if (crtc
->invert_dimensions
)
3729 swap(hdisplay
, vdisplay
);
3731 if (hdisplay
> fb
->width
||
3732 vdisplay
> fb
->height
||
3733 crtc
->x
> fb
->width
- hdisplay
||
3734 crtc
->y
> fb
->height
- vdisplay
) {
3735 DRM_DEBUG_KMS("Invalid fb size %ux%u for CRTC viewport %ux%u+%d+%d%s.\n",
3736 fb
->width
, fb
->height
, hdisplay
, vdisplay
, crtc
->x
, crtc
->y
,
3737 crtc
->invert_dimensions
? " (inverted)" : "");
3742 if (page_flip
->flags
& DRM_MODE_PAGE_FLIP_EVENT
) {
3744 spin_lock_irqsave(&dev
->event_lock
, flags
);
3745 if (file_priv
->event_space
< sizeof e
->event
) {
3746 spin_unlock_irqrestore(&dev
->event_lock
, flags
);
3749 file_priv
->event_space
-= sizeof e
->event
;
3750 spin_unlock_irqrestore(&dev
->event_lock
, flags
);
3752 e
= kzalloc(sizeof *e
, GFP_KERNEL
);
3754 spin_lock_irqsave(&dev
->event_lock
, flags
);
3755 file_priv
->event_space
+= sizeof e
->event
;
3756 spin_unlock_irqrestore(&dev
->event_lock
, flags
);
3760 e
->event
.base
.type
= DRM_EVENT_FLIP_COMPLETE
;
3761 e
->event
.base
.length
= sizeof e
->event
;
3762 e
->event
.user_data
= page_flip
->user_data
;
3763 e
->base
.event
= &e
->event
.base
;
3764 e
->base
.file_priv
= file_priv
;
3766 (void (*) (struct drm_pending_event
*)) kfree
;
3770 ret
= crtc
->funcs
->page_flip(crtc
, fb
, e
);
3772 if (page_flip
->flags
& DRM_MODE_PAGE_FLIP_EVENT
) {
3773 spin_lock_irqsave(&dev
->event_lock
, flags
);
3774 file_priv
->event_space
+= sizeof e
->event
;
3775 spin_unlock_irqrestore(&dev
->event_lock
, flags
);
3778 /* Keep the old fb, don't unref it. */
3781 /* Unref only the old framebuffer. */
3787 drm_framebuffer_unreference(fb
);
3789 drm_framebuffer_unreference(old_fb
);
3790 mutex_unlock(&crtc
->mutex
);
3795 void drm_mode_config_reset(struct drm_device
*dev
)
3797 struct drm_crtc
*crtc
;
3798 struct drm_encoder
*encoder
;
3799 struct drm_connector
*connector
;
3801 list_for_each_entry(crtc
, &dev
->mode_config
.crtc_list
, head
)
3802 if (crtc
->funcs
->reset
)
3803 crtc
->funcs
->reset(crtc
);
3805 list_for_each_entry(encoder
, &dev
->mode_config
.encoder_list
, head
)
3806 if (encoder
->funcs
->reset
)
3807 encoder
->funcs
->reset(encoder
);
3809 list_for_each_entry(connector
, &dev
->mode_config
.connector_list
, head
) {
3810 connector
->status
= connector_status_unknown
;
3812 if (connector
->funcs
->reset
)
3813 connector
->funcs
->reset(connector
);
3816 EXPORT_SYMBOL(drm_mode_config_reset
);
3818 int drm_mode_create_dumb_ioctl(struct drm_device
*dev
,
3819 void *data
, struct drm_file
*file_priv
)
3821 struct drm_mode_create_dumb
*args
= data
;
3823 if (!dev
->driver
->dumb_create
)
3825 return dev
->driver
->dumb_create(file_priv
, dev
, args
);
3828 int drm_mode_mmap_dumb_ioctl(struct drm_device
*dev
,
3829 void *data
, struct drm_file
*file_priv
)
3831 struct drm_mode_map_dumb
*args
= data
;
3833 /* call driver ioctl to get mmap offset */
3834 if (!dev
->driver
->dumb_map_offset
)
3837 return dev
->driver
->dumb_map_offset(file_priv
, dev
, args
->handle
, &args
->offset
);
3840 int drm_mode_destroy_dumb_ioctl(struct drm_device
*dev
,
3841 void *data
, struct drm_file
*file_priv
)
3843 struct drm_mode_destroy_dumb
*args
= data
;
3845 if (!dev
->driver
->dumb_destroy
)
3848 return dev
->driver
->dumb_destroy(file_priv
, dev
, args
->handle
);
3852 * Just need to support RGB formats here for compat with code that doesn't
3853 * use pixel formats directly yet.
3855 void drm_fb_get_bpp_depth(uint32_t format
, unsigned int *depth
,
3859 case DRM_FORMAT_RGB332
:
3860 case DRM_FORMAT_BGR233
:
3864 case DRM_FORMAT_XRGB1555
:
3865 case DRM_FORMAT_XBGR1555
:
3866 case DRM_FORMAT_RGBX5551
:
3867 case DRM_FORMAT_BGRX5551
:
3868 case DRM_FORMAT_ARGB1555
:
3869 case DRM_FORMAT_ABGR1555
:
3870 case DRM_FORMAT_RGBA5551
:
3871 case DRM_FORMAT_BGRA5551
:
3875 case DRM_FORMAT_RGB565
:
3876 case DRM_FORMAT_BGR565
:
3880 case DRM_FORMAT_RGB888
:
3881 case DRM_FORMAT_BGR888
:
3885 case DRM_FORMAT_XRGB8888
:
3886 case DRM_FORMAT_XBGR8888
:
3887 case DRM_FORMAT_RGBX8888
:
3888 case DRM_FORMAT_BGRX8888
:
3892 case DRM_FORMAT_XRGB2101010
:
3893 case DRM_FORMAT_XBGR2101010
:
3894 case DRM_FORMAT_RGBX1010102
:
3895 case DRM_FORMAT_BGRX1010102
:
3896 case DRM_FORMAT_ARGB2101010
:
3897 case DRM_FORMAT_ABGR2101010
:
3898 case DRM_FORMAT_RGBA1010102
:
3899 case DRM_FORMAT_BGRA1010102
:
3903 case DRM_FORMAT_ARGB8888
:
3904 case DRM_FORMAT_ABGR8888
:
3905 case DRM_FORMAT_RGBA8888
:
3906 case DRM_FORMAT_BGRA8888
:
3911 DRM_DEBUG_KMS("unsupported pixel format\n");
3917 EXPORT_SYMBOL(drm_fb_get_bpp_depth
);
3920 * drm_format_num_planes - get the number of planes for format
3921 * @format: pixel format (DRM_FORMAT_*)
3924 * The number of planes used by the specified pixel format.
3926 int drm_format_num_planes(uint32_t format
)
3929 case DRM_FORMAT_YUV410
:
3930 case DRM_FORMAT_YVU410
:
3931 case DRM_FORMAT_YUV411
:
3932 case DRM_FORMAT_YVU411
:
3933 case DRM_FORMAT_YUV420
:
3934 case DRM_FORMAT_YVU420
:
3935 case DRM_FORMAT_YUV422
:
3936 case DRM_FORMAT_YVU422
:
3937 case DRM_FORMAT_YUV444
:
3938 case DRM_FORMAT_YVU444
:
3940 case DRM_FORMAT_NV12
:
3941 case DRM_FORMAT_NV21
:
3942 case DRM_FORMAT_NV16
:
3943 case DRM_FORMAT_NV61
:
3944 case DRM_FORMAT_NV24
:
3945 case DRM_FORMAT_NV42
:
3951 EXPORT_SYMBOL(drm_format_num_planes
);
3954 * drm_format_plane_cpp - determine the bytes per pixel value
3955 * @format: pixel format (DRM_FORMAT_*)
3956 * @plane: plane index
3959 * The bytes per pixel value for the specified plane.
3961 int drm_format_plane_cpp(uint32_t format
, int plane
)
3966 if (plane
>= drm_format_num_planes(format
))
3970 case DRM_FORMAT_YUYV
:
3971 case DRM_FORMAT_YVYU
:
3972 case DRM_FORMAT_UYVY
:
3973 case DRM_FORMAT_VYUY
:
3975 case DRM_FORMAT_NV12
:
3976 case DRM_FORMAT_NV21
:
3977 case DRM_FORMAT_NV16
:
3978 case DRM_FORMAT_NV61
:
3979 case DRM_FORMAT_NV24
:
3980 case DRM_FORMAT_NV42
:
3981 return plane
? 2 : 1;
3982 case DRM_FORMAT_YUV410
:
3983 case DRM_FORMAT_YVU410
:
3984 case DRM_FORMAT_YUV411
:
3985 case DRM_FORMAT_YVU411
:
3986 case DRM_FORMAT_YUV420
:
3987 case DRM_FORMAT_YVU420
:
3988 case DRM_FORMAT_YUV422
:
3989 case DRM_FORMAT_YVU422
:
3990 case DRM_FORMAT_YUV444
:
3991 case DRM_FORMAT_YVU444
:
3994 drm_fb_get_bpp_depth(format
, &depth
, &bpp
);
3998 EXPORT_SYMBOL(drm_format_plane_cpp
);
4001 * drm_format_horz_chroma_subsampling - get the horizontal chroma subsampling factor
4002 * @format: pixel format (DRM_FORMAT_*)
4005 * The horizontal chroma subsampling factor for the
4006 * specified pixel format.
4008 int drm_format_horz_chroma_subsampling(uint32_t format
)
4011 case DRM_FORMAT_YUV411
:
4012 case DRM_FORMAT_YVU411
:
4013 case DRM_FORMAT_YUV410
:
4014 case DRM_FORMAT_YVU410
:
4016 case DRM_FORMAT_YUYV
:
4017 case DRM_FORMAT_YVYU
:
4018 case DRM_FORMAT_UYVY
:
4019 case DRM_FORMAT_VYUY
:
4020 case DRM_FORMAT_NV12
:
4021 case DRM_FORMAT_NV21
:
4022 case DRM_FORMAT_NV16
:
4023 case DRM_FORMAT_NV61
:
4024 case DRM_FORMAT_YUV422
:
4025 case DRM_FORMAT_YVU422
:
4026 case DRM_FORMAT_YUV420
:
4027 case DRM_FORMAT_YVU420
:
4033 EXPORT_SYMBOL(drm_format_horz_chroma_subsampling
);
4036 * drm_format_vert_chroma_subsampling - get the vertical chroma subsampling factor
4037 * @format: pixel format (DRM_FORMAT_*)
4040 * The vertical chroma subsampling factor for the
4041 * specified pixel format.
4043 int drm_format_vert_chroma_subsampling(uint32_t format
)
4046 case DRM_FORMAT_YUV410
:
4047 case DRM_FORMAT_YVU410
:
4049 case DRM_FORMAT_YUV420
:
4050 case DRM_FORMAT_YVU420
:
4051 case DRM_FORMAT_NV12
:
4052 case DRM_FORMAT_NV21
:
4058 EXPORT_SYMBOL(drm_format_vert_chroma_subsampling
);