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.
522 void drm_framebuffer_remove(struct drm_framebuffer
*fb
)
524 struct drm_device
*dev
= fb
->dev
;
525 struct drm_crtc
*crtc
;
526 struct drm_plane
*plane
;
527 struct drm_mode_set set
;
530 WARN_ON(!drm_modeset_is_locked(dev
));
531 WARN_ON(!list_empty(&fb
->filp_head
));
533 /* remove from any CRTC */
534 list_for_each_entry(crtc
, &dev
->mode_config
.crtc_list
, head
) {
535 if (crtc
->fb
== fb
) {
536 /* should turn off the crtc */
537 memset(&set
, 0, sizeof(struct drm_mode_set
));
540 ret
= drm_mode_set_config_internal(&set
);
542 DRM_ERROR("failed to reset crtc %p when fb was deleted\n", crtc
);
546 list_for_each_entry(plane
, &dev
->mode_config
.plane_list
, head
) {
547 if (plane
->fb
== fb
) {
548 /* should turn off the crtc */
549 ret
= plane
->funcs
->disable_plane(plane
);
551 DRM_ERROR("failed to disable plane with busy fb\n");
552 /* disconnect the plane from the fb and crtc: */
553 __drm_framebuffer_unreference(plane
->fb
);
559 drm_framebuffer_unreference(fb
);
561 EXPORT_SYMBOL(drm_framebuffer_remove
);
564 * drm_crtc_init - Initialise a new CRTC object
566 * @crtc: CRTC object to init
567 * @funcs: callbacks for the new CRTC
569 * Inits a new object created as base part of an driver crtc object.
572 * Zero on success, error code on failure.
574 int drm_crtc_init(struct drm_device
*dev
, struct drm_crtc
*crtc
,
575 const struct drm_crtc_funcs
*funcs
)
581 crtc
->invert_dimensions
= false;
583 drm_modeset_lock_all(dev
);
584 mutex_init(&crtc
->mutex
);
585 mutex_lock_nest_lock(&crtc
->mutex
, &dev
->mode_config
.mutex
);
587 ret
= drm_mode_object_get(dev
, &crtc
->base
, DRM_MODE_OBJECT_CRTC
);
591 crtc
->base
.properties
= &crtc
->properties
;
593 list_add_tail(&crtc
->head
, &dev
->mode_config
.crtc_list
);
594 dev
->mode_config
.num_crtc
++;
597 drm_modeset_unlock_all(dev
);
601 EXPORT_SYMBOL(drm_crtc_init
);
604 * drm_crtc_cleanup - Cleans up the core crtc usage.
605 * @crtc: CRTC to cleanup
607 * Cleanup @crtc. Removes from drm modesetting space
608 * does NOT free object, caller does that.
610 void drm_crtc_cleanup(struct drm_crtc
*crtc
)
612 struct drm_device
*dev
= crtc
->dev
;
614 kfree(crtc
->gamma_store
);
615 crtc
->gamma_store
= NULL
;
617 drm_mode_object_put(dev
, &crtc
->base
);
618 list_del(&crtc
->head
);
619 dev
->mode_config
.num_crtc
--;
621 EXPORT_SYMBOL(drm_crtc_cleanup
);
624 * drm_mode_probed_add - add a mode to a connector's probed mode list
625 * @connector: connector the new mode
628 * Add @mode to @connector's mode list for later use.
630 void drm_mode_probed_add(struct drm_connector
*connector
,
631 struct drm_display_mode
*mode
)
633 list_add(&mode
->head
, &connector
->probed_modes
);
635 EXPORT_SYMBOL(drm_mode_probed_add
);
638 * drm_mode_remove - remove and free a mode
639 * @connector: connector list to modify
640 * @mode: mode to remove
642 * Remove @mode from @connector's mode list, then free it.
644 void drm_mode_remove(struct drm_connector
*connector
,
645 struct drm_display_mode
*mode
)
647 list_del(&mode
->head
);
648 drm_mode_destroy(connector
->dev
, mode
);
650 EXPORT_SYMBOL(drm_mode_remove
);
653 * drm_connector_init - Init a preallocated connector
655 * @connector: the connector to init
656 * @funcs: callbacks for this connector
657 * @connector_type: user visible type of the connector
659 * Initialises a preallocated connector. Connectors should be
660 * subclassed as part of driver connector objects.
663 * Zero on success, error code on failure.
665 int drm_connector_init(struct drm_device
*dev
,
666 struct drm_connector
*connector
,
667 const struct drm_connector_funcs
*funcs
,
672 drm_modeset_lock_all(dev
);
674 ret
= drm_mode_object_get(dev
, &connector
->base
, DRM_MODE_OBJECT_CONNECTOR
);
678 connector
->base
.properties
= &connector
->properties
;
679 connector
->dev
= dev
;
680 connector
->funcs
= funcs
;
681 connector
->connector_type
= connector_type
;
682 connector
->connector_type_id
=
683 ++drm_connector_enum_list
[connector_type
].count
; /* TODO */
684 INIT_LIST_HEAD(&connector
->user_modes
);
685 INIT_LIST_HEAD(&connector
->probed_modes
);
686 INIT_LIST_HEAD(&connector
->modes
);
687 connector
->edid_blob_ptr
= NULL
;
688 connector
->status
= connector_status_unknown
;
690 list_add_tail(&connector
->head
, &dev
->mode_config
.connector_list
);
691 dev
->mode_config
.num_connector
++;
693 if (connector_type
!= DRM_MODE_CONNECTOR_VIRTUAL
)
694 drm_object_attach_property(&connector
->base
,
695 dev
->mode_config
.edid_property
,
698 drm_object_attach_property(&connector
->base
,
699 dev
->mode_config
.dpms_property
, 0);
702 drm_modeset_unlock_all(dev
);
706 EXPORT_SYMBOL(drm_connector_init
);
709 * drm_connector_cleanup - cleans up an initialised connector
710 * @connector: connector to cleanup
712 * Cleans up the connector but doesn't free the object.
714 void drm_connector_cleanup(struct drm_connector
*connector
)
716 struct drm_device
*dev
= connector
->dev
;
717 struct drm_display_mode
*mode
, *t
;
719 list_for_each_entry_safe(mode
, t
, &connector
->probed_modes
, head
)
720 drm_mode_remove(connector
, mode
);
722 list_for_each_entry_safe(mode
, t
, &connector
->modes
, head
)
723 drm_mode_remove(connector
, mode
);
725 list_for_each_entry_safe(mode
, t
, &connector
->user_modes
, head
)
726 drm_mode_remove(connector
, mode
);
728 drm_mode_object_put(dev
, &connector
->base
);
729 list_del(&connector
->head
);
730 dev
->mode_config
.num_connector
--;
732 EXPORT_SYMBOL(drm_connector_cleanup
);
734 void drm_connector_unplug_all(struct drm_device
*dev
)
736 struct drm_connector
*connector
;
738 /* taking the mode config mutex ends up in a clash with sysfs */
739 list_for_each_entry(connector
, &dev
->mode_config
.connector_list
, head
)
740 drm_sysfs_connector_remove(connector
);
743 EXPORT_SYMBOL(drm_connector_unplug_all
);
745 int drm_encoder_init(struct drm_device
*dev
,
746 struct drm_encoder
*encoder
,
747 const struct drm_encoder_funcs
*funcs
,
752 drm_modeset_lock_all(dev
);
754 ret
= drm_mode_object_get(dev
, &encoder
->base
, DRM_MODE_OBJECT_ENCODER
);
759 encoder
->encoder_type
= encoder_type
;
760 encoder
->funcs
= funcs
;
762 list_add_tail(&encoder
->head
, &dev
->mode_config
.encoder_list
);
763 dev
->mode_config
.num_encoder
++;
766 drm_modeset_unlock_all(dev
);
770 EXPORT_SYMBOL(drm_encoder_init
);
772 void drm_encoder_cleanup(struct drm_encoder
*encoder
)
774 struct drm_device
*dev
= encoder
->dev
;
775 drm_modeset_lock_all(dev
);
776 drm_mode_object_put(dev
, &encoder
->base
);
777 list_del(&encoder
->head
);
778 dev
->mode_config
.num_encoder
--;
779 drm_modeset_unlock_all(dev
);
781 EXPORT_SYMBOL(drm_encoder_cleanup
);
783 int drm_plane_init(struct drm_device
*dev
, struct drm_plane
*plane
,
784 unsigned long possible_crtcs
,
785 const struct drm_plane_funcs
*funcs
,
786 const uint32_t *formats
, uint32_t format_count
,
791 drm_modeset_lock_all(dev
);
793 ret
= drm_mode_object_get(dev
, &plane
->base
, DRM_MODE_OBJECT_PLANE
);
797 plane
->base
.properties
= &plane
->properties
;
799 plane
->funcs
= funcs
;
800 plane
->format_types
= kmalloc(sizeof(uint32_t) * format_count
,
802 if (!plane
->format_types
) {
803 DRM_DEBUG_KMS("out of memory when allocating plane\n");
804 drm_mode_object_put(dev
, &plane
->base
);
809 memcpy(plane
->format_types
, formats
, format_count
* sizeof(uint32_t));
810 plane
->format_count
= format_count
;
811 plane
->possible_crtcs
= possible_crtcs
;
813 /* private planes are not exposed to userspace, but depending on
814 * display hardware, might be convenient to allow sharing programming
815 * for the scanout engine with the crtc implementation.
818 list_add_tail(&plane
->head
, &dev
->mode_config
.plane_list
);
819 dev
->mode_config
.num_plane
++;
821 INIT_LIST_HEAD(&plane
->head
);
825 drm_modeset_unlock_all(dev
);
829 EXPORT_SYMBOL(drm_plane_init
);
831 void drm_plane_cleanup(struct drm_plane
*plane
)
833 struct drm_device
*dev
= plane
->dev
;
835 drm_modeset_lock_all(dev
);
836 kfree(plane
->format_types
);
837 drm_mode_object_put(dev
, &plane
->base
);
838 /* if not added to a list, it must be a private plane */
839 if (!list_empty(&plane
->head
)) {
840 list_del(&plane
->head
);
841 dev
->mode_config
.num_plane
--;
843 drm_modeset_unlock_all(dev
);
845 EXPORT_SYMBOL(drm_plane_cleanup
);
848 * drm_mode_create - create a new display mode
851 * Create a new drm_display_mode, give it an ID, and return it.
854 * Pointer to new mode on success, NULL on error.
856 struct drm_display_mode
*drm_mode_create(struct drm_device
*dev
)
858 struct drm_display_mode
*nmode
;
860 nmode
= kzalloc(sizeof(struct drm_display_mode
), GFP_KERNEL
);
864 if (drm_mode_object_get(dev
, &nmode
->base
, DRM_MODE_OBJECT_MODE
)) {
871 EXPORT_SYMBOL(drm_mode_create
);
874 * drm_mode_destroy - remove a mode
876 * @mode: mode to remove
878 * Free @mode's unique identifier, then free it.
880 void drm_mode_destroy(struct drm_device
*dev
, struct drm_display_mode
*mode
)
885 drm_mode_object_put(dev
, &mode
->base
);
889 EXPORT_SYMBOL(drm_mode_destroy
);
891 static int drm_mode_create_standard_connector_properties(struct drm_device
*dev
)
893 struct drm_property
*edid
;
894 struct drm_property
*dpms
;
897 * Standard properties (apply to all connectors)
899 edid
= drm_property_create(dev
, DRM_MODE_PROP_BLOB
|
900 DRM_MODE_PROP_IMMUTABLE
,
902 dev
->mode_config
.edid_property
= edid
;
904 dpms
= drm_property_create_enum(dev
, 0,
905 "DPMS", drm_dpms_enum_list
,
906 ARRAY_SIZE(drm_dpms_enum_list
));
907 dev
->mode_config
.dpms_property
= dpms
;
913 * drm_mode_create_dvi_i_properties - create DVI-I specific connector properties
916 * Called by a driver the first time a DVI-I connector is made.
918 int drm_mode_create_dvi_i_properties(struct drm_device
*dev
)
920 struct drm_property
*dvi_i_selector
;
921 struct drm_property
*dvi_i_subconnector
;
923 if (dev
->mode_config
.dvi_i_select_subconnector_property
)
927 drm_property_create_enum(dev
, 0,
928 "select subconnector",
929 drm_dvi_i_select_enum_list
,
930 ARRAY_SIZE(drm_dvi_i_select_enum_list
));
931 dev
->mode_config
.dvi_i_select_subconnector_property
= dvi_i_selector
;
933 dvi_i_subconnector
= drm_property_create_enum(dev
, DRM_MODE_PROP_IMMUTABLE
,
935 drm_dvi_i_subconnector_enum_list
,
936 ARRAY_SIZE(drm_dvi_i_subconnector_enum_list
));
937 dev
->mode_config
.dvi_i_subconnector_property
= dvi_i_subconnector
;
941 EXPORT_SYMBOL(drm_mode_create_dvi_i_properties
);
944 * drm_create_tv_properties - create TV specific connector properties
946 * @num_modes: number of different TV formats (modes) supported
947 * @modes: array of pointers to strings containing name of each format
949 * Called by a driver's TV initialization routine, this function creates
950 * the TV specific connector properties for a given device. Caller is
951 * responsible for allocating a list of format names and passing them to
954 int drm_mode_create_tv_properties(struct drm_device
*dev
, int num_modes
,
957 struct drm_property
*tv_selector
;
958 struct drm_property
*tv_subconnector
;
961 if (dev
->mode_config
.tv_select_subconnector_property
)
965 * Basic connector properties
967 tv_selector
= drm_property_create_enum(dev
, 0,
968 "select subconnector",
969 drm_tv_select_enum_list
,
970 ARRAY_SIZE(drm_tv_select_enum_list
));
971 dev
->mode_config
.tv_select_subconnector_property
= tv_selector
;
974 drm_property_create_enum(dev
, DRM_MODE_PROP_IMMUTABLE
,
976 drm_tv_subconnector_enum_list
,
977 ARRAY_SIZE(drm_tv_subconnector_enum_list
));
978 dev
->mode_config
.tv_subconnector_property
= tv_subconnector
;
981 * Other, TV specific properties: margins & TV modes.
983 dev
->mode_config
.tv_left_margin_property
=
984 drm_property_create_range(dev
, 0, "left margin", 0, 100);
986 dev
->mode_config
.tv_right_margin_property
=
987 drm_property_create_range(dev
, 0, "right margin", 0, 100);
989 dev
->mode_config
.tv_top_margin_property
=
990 drm_property_create_range(dev
, 0, "top margin", 0, 100);
992 dev
->mode_config
.tv_bottom_margin_property
=
993 drm_property_create_range(dev
, 0, "bottom margin", 0, 100);
995 dev
->mode_config
.tv_mode_property
=
996 drm_property_create(dev
, DRM_MODE_PROP_ENUM
,
998 for (i
= 0; i
< num_modes
; i
++)
999 drm_property_add_enum(dev
->mode_config
.tv_mode_property
, i
,
1002 dev
->mode_config
.tv_brightness_property
=
1003 drm_property_create_range(dev
, 0, "brightness", 0, 100);
1005 dev
->mode_config
.tv_contrast_property
=
1006 drm_property_create_range(dev
, 0, "contrast", 0, 100);
1008 dev
->mode_config
.tv_flicker_reduction_property
=
1009 drm_property_create_range(dev
, 0, "flicker reduction", 0, 100);
1011 dev
->mode_config
.tv_overscan_property
=
1012 drm_property_create_range(dev
, 0, "overscan", 0, 100);
1014 dev
->mode_config
.tv_saturation_property
=
1015 drm_property_create_range(dev
, 0, "saturation", 0, 100);
1017 dev
->mode_config
.tv_hue_property
=
1018 drm_property_create_range(dev
, 0, "hue", 0, 100);
1022 EXPORT_SYMBOL(drm_mode_create_tv_properties
);
1025 * drm_mode_create_scaling_mode_property - create scaling mode property
1028 * Called by a driver the first time it's needed, must be attached to desired
1031 int drm_mode_create_scaling_mode_property(struct drm_device
*dev
)
1033 struct drm_property
*scaling_mode
;
1035 if (dev
->mode_config
.scaling_mode_property
)
1039 drm_property_create_enum(dev
, 0, "scaling mode",
1040 drm_scaling_mode_enum_list
,
1041 ARRAY_SIZE(drm_scaling_mode_enum_list
));
1043 dev
->mode_config
.scaling_mode_property
= scaling_mode
;
1047 EXPORT_SYMBOL(drm_mode_create_scaling_mode_property
);
1050 * drm_mode_create_dithering_property - create dithering property
1053 * Called by a driver the first time it's needed, must be attached to desired
1056 int drm_mode_create_dithering_property(struct drm_device
*dev
)
1058 struct drm_property
*dithering_mode
;
1060 if (dev
->mode_config
.dithering_mode_property
)
1064 drm_property_create_enum(dev
, 0, "dithering",
1065 drm_dithering_mode_enum_list
,
1066 ARRAY_SIZE(drm_dithering_mode_enum_list
));
1067 dev
->mode_config
.dithering_mode_property
= dithering_mode
;
1071 EXPORT_SYMBOL(drm_mode_create_dithering_property
);
1074 * drm_mode_create_dirty_property - create dirty property
1077 * Called by a driver the first time it's needed, must be attached to desired
1080 int drm_mode_create_dirty_info_property(struct drm_device
*dev
)
1082 struct drm_property
*dirty_info
;
1084 if (dev
->mode_config
.dirty_info_property
)
1088 drm_property_create_enum(dev
, DRM_MODE_PROP_IMMUTABLE
,
1090 drm_dirty_info_enum_list
,
1091 ARRAY_SIZE(drm_dirty_info_enum_list
));
1092 dev
->mode_config
.dirty_info_property
= dirty_info
;
1096 EXPORT_SYMBOL(drm_mode_create_dirty_info_property
);
1099 * drm_mode_config_init - initialize DRM mode_configuration structure
1102 * Initialize @dev's mode_config structure, used for tracking the graphics
1103 * configuration of @dev.
1105 * Since this initializes the modeset locks, no locking is possible. Which is no
1106 * problem, since this should happen single threaded at init time. It is the
1107 * driver's problem to ensure this guarantee.
1110 void drm_mode_config_init(struct drm_device
*dev
)
1112 mutex_init(&dev
->mode_config
.mutex
);
1113 mutex_init(&dev
->mode_config
.idr_mutex
);
1114 mutex_init(&dev
->mode_config
.fb_lock
);
1115 INIT_LIST_HEAD(&dev
->mode_config
.fb_list
);
1116 INIT_LIST_HEAD(&dev
->mode_config
.crtc_list
);
1117 INIT_LIST_HEAD(&dev
->mode_config
.connector_list
);
1118 INIT_LIST_HEAD(&dev
->mode_config
.encoder_list
);
1119 INIT_LIST_HEAD(&dev
->mode_config
.property_list
);
1120 INIT_LIST_HEAD(&dev
->mode_config
.property_blob_list
);
1121 INIT_LIST_HEAD(&dev
->mode_config
.plane_list
);
1122 idr_init(&dev
->mode_config
.crtc_idr
);
1124 drm_modeset_lock_all(dev
);
1125 drm_mode_create_standard_connector_properties(dev
);
1126 drm_modeset_unlock_all(dev
);
1128 /* Just to be sure */
1129 dev
->mode_config
.num_fb
= 0;
1130 dev
->mode_config
.num_connector
= 0;
1131 dev
->mode_config
.num_crtc
= 0;
1132 dev
->mode_config
.num_encoder
= 0;
1134 EXPORT_SYMBOL(drm_mode_config_init
);
1136 int drm_mode_group_init(struct drm_device
*dev
, struct drm_mode_group
*group
)
1138 uint32_t total_objects
= 0;
1140 total_objects
+= dev
->mode_config
.num_crtc
;
1141 total_objects
+= dev
->mode_config
.num_connector
;
1142 total_objects
+= dev
->mode_config
.num_encoder
;
1144 group
->id_list
= kzalloc(total_objects
* sizeof(uint32_t), GFP_KERNEL
);
1145 if (!group
->id_list
)
1148 group
->num_crtcs
= 0;
1149 group
->num_connectors
= 0;
1150 group
->num_encoders
= 0;
1154 int drm_mode_group_init_legacy_group(struct drm_device
*dev
,
1155 struct drm_mode_group
*group
)
1157 struct drm_crtc
*crtc
;
1158 struct drm_encoder
*encoder
;
1159 struct drm_connector
*connector
;
1162 if ((ret
= drm_mode_group_init(dev
, group
)))
1165 list_for_each_entry(crtc
, &dev
->mode_config
.crtc_list
, head
)
1166 group
->id_list
[group
->num_crtcs
++] = crtc
->base
.id
;
1168 list_for_each_entry(encoder
, &dev
->mode_config
.encoder_list
, head
)
1169 group
->id_list
[group
->num_crtcs
+ group
->num_encoders
++] =
1172 list_for_each_entry(connector
, &dev
->mode_config
.connector_list
, head
)
1173 group
->id_list
[group
->num_crtcs
+ group
->num_encoders
+
1174 group
->num_connectors
++] = connector
->base
.id
;
1178 EXPORT_SYMBOL(drm_mode_group_init_legacy_group
);
1181 * drm_mode_config_cleanup - free up DRM mode_config info
1184 * Free up all the connectors and CRTCs associated with this DRM device, then
1185 * free up the framebuffers and associated buffer objects.
1187 * Note that since this /should/ happen single-threaded at driver/device
1188 * teardown time, no locking is required. It's the driver's job to ensure that
1189 * this guarantee actually holds true.
1191 * FIXME: cleanup any dangling user buffer objects too
1193 void drm_mode_config_cleanup(struct drm_device
*dev
)
1195 struct drm_connector
*connector
, *ot
;
1196 struct drm_crtc
*crtc
, *ct
;
1197 struct drm_encoder
*encoder
, *enct
;
1198 struct drm_framebuffer
*fb
, *fbt
;
1199 struct drm_property
*property
, *pt
;
1200 struct drm_plane
*plane
, *plt
;
1202 list_for_each_entry_safe(encoder
, enct
, &dev
->mode_config
.encoder_list
,
1204 encoder
->funcs
->destroy(encoder
);
1207 list_for_each_entry_safe(connector
, ot
,
1208 &dev
->mode_config
.connector_list
, head
) {
1209 connector
->funcs
->destroy(connector
);
1212 list_for_each_entry_safe(property
, pt
, &dev
->mode_config
.property_list
,
1214 drm_property_destroy(dev
, property
);
1218 * Single-threaded teardown context, so it's not required to grab the
1219 * fb_lock to protect against concurrent fb_list access. Contrary, it
1220 * would actually deadlock with the drm_framebuffer_cleanup function.
1222 * Also, if there are any framebuffers left, that's a driver leak now,
1223 * so politely WARN about this.
1225 WARN_ON(!list_empty(&dev
->mode_config
.fb_list
));
1226 list_for_each_entry_safe(fb
, fbt
, &dev
->mode_config
.fb_list
, head
) {
1227 drm_framebuffer_remove(fb
);
1230 list_for_each_entry_safe(plane
, plt
, &dev
->mode_config
.plane_list
,
1232 plane
->funcs
->destroy(plane
);
1235 list_for_each_entry_safe(crtc
, ct
, &dev
->mode_config
.crtc_list
, head
) {
1236 crtc
->funcs
->destroy(crtc
);
1239 idr_remove_all(&dev
->mode_config
.crtc_idr
);
1240 idr_destroy(&dev
->mode_config
.crtc_idr
);
1242 EXPORT_SYMBOL(drm_mode_config_cleanup
);
1245 * drm_crtc_convert_to_umode - convert a drm_display_mode into a modeinfo
1246 * @out: drm_mode_modeinfo struct to return to the user
1247 * @in: drm_display_mode to use
1249 * Convert a drm_display_mode into a drm_mode_modeinfo structure to return to
1252 static void drm_crtc_convert_to_umode(struct drm_mode_modeinfo
*out
,
1253 const struct drm_display_mode
*in
)
1255 WARN(in
->hdisplay
> USHRT_MAX
|| in
->hsync_start
> USHRT_MAX
||
1256 in
->hsync_end
> USHRT_MAX
|| in
->htotal
> USHRT_MAX
||
1257 in
->hskew
> USHRT_MAX
|| in
->vdisplay
> USHRT_MAX
||
1258 in
->vsync_start
> USHRT_MAX
|| in
->vsync_end
> USHRT_MAX
||
1259 in
->vtotal
> USHRT_MAX
|| in
->vscan
> USHRT_MAX
,
1260 "timing values too large for mode info\n");
1262 out
->clock
= in
->clock
;
1263 out
->hdisplay
= in
->hdisplay
;
1264 out
->hsync_start
= in
->hsync_start
;
1265 out
->hsync_end
= in
->hsync_end
;
1266 out
->htotal
= in
->htotal
;
1267 out
->hskew
= in
->hskew
;
1268 out
->vdisplay
= in
->vdisplay
;
1269 out
->vsync_start
= in
->vsync_start
;
1270 out
->vsync_end
= in
->vsync_end
;
1271 out
->vtotal
= in
->vtotal
;
1272 out
->vscan
= in
->vscan
;
1273 out
->vrefresh
= in
->vrefresh
;
1274 out
->flags
= in
->flags
;
1275 out
->type
= in
->type
;
1276 strncpy(out
->name
, in
->name
, DRM_DISPLAY_MODE_LEN
);
1277 out
->name
[DRM_DISPLAY_MODE_LEN
-1] = 0;
1281 * drm_crtc_convert_to_umode - convert a modeinfo into a drm_display_mode
1282 * @out: drm_display_mode to return to the user
1283 * @in: drm_mode_modeinfo to use
1285 * Convert a drm_mode_modeinfo into a drm_display_mode structure to return to
1289 * Zero on success, errno on failure.
1291 static int drm_crtc_convert_umode(struct drm_display_mode
*out
,
1292 const struct drm_mode_modeinfo
*in
)
1294 if (in
->clock
> INT_MAX
|| in
->vrefresh
> INT_MAX
)
1297 out
->clock
= in
->clock
;
1298 out
->hdisplay
= in
->hdisplay
;
1299 out
->hsync_start
= in
->hsync_start
;
1300 out
->hsync_end
= in
->hsync_end
;
1301 out
->htotal
= in
->htotal
;
1302 out
->hskew
= in
->hskew
;
1303 out
->vdisplay
= in
->vdisplay
;
1304 out
->vsync_start
= in
->vsync_start
;
1305 out
->vsync_end
= in
->vsync_end
;
1306 out
->vtotal
= in
->vtotal
;
1307 out
->vscan
= in
->vscan
;
1308 out
->vrefresh
= in
->vrefresh
;
1309 out
->flags
= in
->flags
;
1310 out
->type
= in
->type
;
1311 strncpy(out
->name
, in
->name
, DRM_DISPLAY_MODE_LEN
);
1312 out
->name
[DRM_DISPLAY_MODE_LEN
-1] = 0;
1318 * drm_mode_getresources - get graphics configuration
1319 * @dev: drm device for the ioctl
1320 * @data: data pointer for the ioctl
1321 * @file_priv: drm file for the ioctl call
1323 * Construct a set of configuration description structures and return
1324 * them to the user, including CRTC, connector and framebuffer configuration.
1326 * Called by the user via ioctl.
1329 * Zero on success, errno on failure.
1331 int drm_mode_getresources(struct drm_device
*dev
, void *data
,
1332 struct drm_file
*file_priv
)
1334 struct drm_mode_card_res
*card_res
= data
;
1335 struct list_head
*lh
;
1336 struct drm_framebuffer
*fb
;
1337 struct drm_connector
*connector
;
1338 struct drm_crtc
*crtc
;
1339 struct drm_encoder
*encoder
;
1341 int connector_count
= 0;
1344 int encoder_count
= 0;
1346 uint32_t __user
*fb_id
;
1347 uint32_t __user
*crtc_id
;
1348 uint32_t __user
*connector_id
;
1349 uint32_t __user
*encoder_id
;
1350 struct drm_mode_group
*mode_group
;
1352 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
1356 mutex_lock(&file_priv
->fbs_lock
);
1358 * For the non-control nodes we need to limit the list of resources
1359 * by IDs in the group list for this node
1361 list_for_each(lh
, &file_priv
->fbs
)
1364 /* handle this in 4 parts */
1366 if (card_res
->count_fbs
>= fb_count
) {
1368 fb_id
= (uint32_t __user
*)(unsigned long)card_res
->fb_id_ptr
;
1369 list_for_each_entry(fb
, &file_priv
->fbs
, filp_head
) {
1370 if (put_user(fb
->base
.id
, fb_id
+ copied
)) {
1371 mutex_unlock(&file_priv
->fbs_lock
);
1377 card_res
->count_fbs
= fb_count
;
1378 mutex_unlock(&file_priv
->fbs_lock
);
1380 drm_modeset_lock_all(dev
);
1381 mode_group
= &file_priv
->master
->minor
->mode_group
;
1382 if (file_priv
->master
->minor
->type
== DRM_MINOR_CONTROL
) {
1384 list_for_each(lh
, &dev
->mode_config
.crtc_list
)
1387 list_for_each(lh
, &dev
->mode_config
.connector_list
)
1390 list_for_each(lh
, &dev
->mode_config
.encoder_list
)
1394 crtc_count
= mode_group
->num_crtcs
;
1395 connector_count
= mode_group
->num_connectors
;
1396 encoder_count
= mode_group
->num_encoders
;
1399 card_res
->max_height
= dev
->mode_config
.max_height
;
1400 card_res
->min_height
= dev
->mode_config
.min_height
;
1401 card_res
->max_width
= dev
->mode_config
.max_width
;
1402 card_res
->min_width
= dev
->mode_config
.min_width
;
1405 if (card_res
->count_crtcs
>= crtc_count
) {
1407 crtc_id
= (uint32_t __user
*)(unsigned long)card_res
->crtc_id_ptr
;
1408 if (file_priv
->master
->minor
->type
== DRM_MINOR_CONTROL
) {
1409 list_for_each_entry(crtc
, &dev
->mode_config
.crtc_list
,
1411 DRM_DEBUG_KMS("[CRTC:%d]\n", crtc
->base
.id
);
1412 if (put_user(crtc
->base
.id
, crtc_id
+ copied
)) {
1419 for (i
= 0; i
< mode_group
->num_crtcs
; i
++) {
1420 if (put_user(mode_group
->id_list
[i
],
1421 crtc_id
+ copied
)) {
1429 card_res
->count_crtcs
= crtc_count
;
1432 if (card_res
->count_encoders
>= encoder_count
) {
1434 encoder_id
= (uint32_t __user
*)(unsigned long)card_res
->encoder_id_ptr
;
1435 if (file_priv
->master
->minor
->type
== DRM_MINOR_CONTROL
) {
1436 list_for_each_entry(encoder
,
1437 &dev
->mode_config
.encoder_list
,
1439 DRM_DEBUG_KMS("[ENCODER:%d:%s]\n", encoder
->base
.id
,
1440 drm_get_encoder_name(encoder
));
1441 if (put_user(encoder
->base
.id
, encoder_id
+
1449 for (i
= mode_group
->num_crtcs
; i
< mode_group
->num_crtcs
+ mode_group
->num_encoders
; i
++) {
1450 if (put_user(mode_group
->id_list
[i
],
1451 encoder_id
+ copied
)) {
1460 card_res
->count_encoders
= encoder_count
;
1463 if (card_res
->count_connectors
>= connector_count
) {
1465 connector_id
= (uint32_t __user
*)(unsigned long)card_res
->connector_id_ptr
;
1466 if (file_priv
->master
->minor
->type
== DRM_MINOR_CONTROL
) {
1467 list_for_each_entry(connector
,
1468 &dev
->mode_config
.connector_list
,
1470 DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
1472 drm_get_connector_name(connector
));
1473 if (put_user(connector
->base
.id
,
1474 connector_id
+ copied
)) {
1481 int start
= mode_group
->num_crtcs
+
1482 mode_group
->num_encoders
;
1483 for (i
= start
; i
< start
+ mode_group
->num_connectors
; i
++) {
1484 if (put_user(mode_group
->id_list
[i
],
1485 connector_id
+ copied
)) {
1493 card_res
->count_connectors
= connector_count
;
1495 DRM_DEBUG_KMS("CRTC[%d] CONNECTORS[%d] ENCODERS[%d]\n", card_res
->count_crtcs
,
1496 card_res
->count_connectors
, card_res
->count_encoders
);
1499 drm_modeset_unlock_all(dev
);
1504 * drm_mode_getcrtc - get CRTC configuration
1505 * @dev: drm device for the ioctl
1506 * @data: data pointer for the ioctl
1507 * @file_priv: drm file for the ioctl call
1509 * Construct a CRTC configuration structure to return to the user.
1511 * Called by the user via ioctl.
1514 * Zero on success, errno on failure.
1516 int drm_mode_getcrtc(struct drm_device
*dev
,
1517 void *data
, struct drm_file
*file_priv
)
1519 struct drm_mode_crtc
*crtc_resp
= data
;
1520 struct drm_crtc
*crtc
;
1521 struct drm_mode_object
*obj
;
1524 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
1527 drm_modeset_lock_all(dev
);
1529 obj
= drm_mode_object_find(dev
, crtc_resp
->crtc_id
,
1530 DRM_MODE_OBJECT_CRTC
);
1535 crtc
= obj_to_crtc(obj
);
1537 crtc_resp
->x
= crtc
->x
;
1538 crtc_resp
->y
= crtc
->y
;
1539 crtc_resp
->gamma_size
= crtc
->gamma_size
;
1541 crtc_resp
->fb_id
= crtc
->fb
->base
.id
;
1543 crtc_resp
->fb_id
= 0;
1545 if (crtc
->enabled
) {
1547 drm_crtc_convert_to_umode(&crtc_resp
->mode
, &crtc
->mode
);
1548 crtc_resp
->mode_valid
= 1;
1551 crtc_resp
->mode_valid
= 0;
1555 drm_modeset_unlock_all(dev
);
1560 * drm_mode_getconnector - get connector configuration
1561 * @dev: drm device for the ioctl
1562 * @data: data pointer for the ioctl
1563 * @file_priv: drm file for the ioctl call
1565 * Construct a connector configuration structure to return to the user.
1567 * Called by the user via ioctl.
1570 * Zero on success, errno on failure.
1572 int drm_mode_getconnector(struct drm_device
*dev
, void *data
,
1573 struct drm_file
*file_priv
)
1575 struct drm_mode_get_connector
*out_resp
= data
;
1576 struct drm_mode_object
*obj
;
1577 struct drm_connector
*connector
;
1578 struct drm_display_mode
*mode
;
1580 int props_count
= 0;
1581 int encoders_count
= 0;
1585 struct drm_mode_modeinfo u_mode
;
1586 struct drm_mode_modeinfo __user
*mode_ptr
;
1587 uint32_t __user
*prop_ptr
;
1588 uint64_t __user
*prop_values
;
1589 uint32_t __user
*encoder_ptr
;
1591 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
1594 memset(&u_mode
, 0, sizeof(struct drm_mode_modeinfo
));
1596 DRM_DEBUG_KMS("[CONNECTOR:%d:?]\n", out_resp
->connector_id
);
1598 drm_modeset_lock_all(dev
);
1600 obj
= drm_mode_object_find(dev
, out_resp
->connector_id
,
1601 DRM_MODE_OBJECT_CONNECTOR
);
1606 connector
= obj_to_connector(obj
);
1608 props_count
= connector
->properties
.count
;
1610 for (i
= 0; i
< DRM_CONNECTOR_MAX_ENCODER
; i
++) {
1611 if (connector
->encoder_ids
[i
] != 0) {
1616 if (out_resp
->count_modes
== 0) {
1617 connector
->funcs
->fill_modes(connector
,
1618 dev
->mode_config
.max_width
,
1619 dev
->mode_config
.max_height
);
1622 /* delayed so we get modes regardless of pre-fill_modes state */
1623 list_for_each_entry(mode
, &connector
->modes
, head
)
1626 out_resp
->connector_id
= connector
->base
.id
;
1627 out_resp
->connector_type
= connector
->connector_type
;
1628 out_resp
->connector_type_id
= connector
->connector_type_id
;
1629 out_resp
->mm_width
= connector
->display_info
.width_mm
;
1630 out_resp
->mm_height
= connector
->display_info
.height_mm
;
1631 out_resp
->subpixel
= connector
->display_info
.subpixel_order
;
1632 out_resp
->connection
= connector
->status
;
1633 if (connector
->encoder
)
1634 out_resp
->encoder_id
= connector
->encoder
->base
.id
;
1636 out_resp
->encoder_id
= 0;
1639 * This ioctl is called twice, once to determine how much space is
1640 * needed, and the 2nd time to fill it.
1642 if ((out_resp
->count_modes
>= mode_count
) && mode_count
) {
1644 mode_ptr
= (struct drm_mode_modeinfo __user
*)(unsigned long)out_resp
->modes_ptr
;
1645 list_for_each_entry(mode
, &connector
->modes
, head
) {
1646 drm_crtc_convert_to_umode(&u_mode
, mode
);
1647 if (copy_to_user(mode_ptr
+ copied
,
1648 &u_mode
, sizeof(u_mode
))) {
1655 out_resp
->count_modes
= mode_count
;
1657 if ((out_resp
->count_props
>= props_count
) && props_count
) {
1659 prop_ptr
= (uint32_t __user
*)(unsigned long)(out_resp
->props_ptr
);
1660 prop_values
= (uint64_t __user
*)(unsigned long)(out_resp
->prop_values_ptr
);
1661 for (i
= 0; i
< connector
->properties
.count
; i
++) {
1662 if (put_user(connector
->properties
.ids
[i
],
1663 prop_ptr
+ copied
)) {
1668 if (put_user(connector
->properties
.values
[i
],
1669 prop_values
+ copied
)) {
1676 out_resp
->count_props
= props_count
;
1678 if ((out_resp
->count_encoders
>= encoders_count
) && encoders_count
) {
1680 encoder_ptr
= (uint32_t __user
*)(unsigned long)(out_resp
->encoders_ptr
);
1681 for (i
= 0; i
< DRM_CONNECTOR_MAX_ENCODER
; i
++) {
1682 if (connector
->encoder_ids
[i
] != 0) {
1683 if (put_user(connector
->encoder_ids
[i
],
1684 encoder_ptr
+ copied
)) {
1692 out_resp
->count_encoders
= encoders_count
;
1695 drm_modeset_unlock_all(dev
);
1699 int drm_mode_getencoder(struct drm_device
*dev
, void *data
,
1700 struct drm_file
*file_priv
)
1702 struct drm_mode_get_encoder
*enc_resp
= data
;
1703 struct drm_mode_object
*obj
;
1704 struct drm_encoder
*encoder
;
1707 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
1710 drm_modeset_lock_all(dev
);
1711 obj
= drm_mode_object_find(dev
, enc_resp
->encoder_id
,
1712 DRM_MODE_OBJECT_ENCODER
);
1717 encoder
= obj_to_encoder(obj
);
1720 enc_resp
->crtc_id
= encoder
->crtc
->base
.id
;
1722 enc_resp
->crtc_id
= 0;
1723 enc_resp
->encoder_type
= encoder
->encoder_type
;
1724 enc_resp
->encoder_id
= encoder
->base
.id
;
1725 enc_resp
->possible_crtcs
= encoder
->possible_crtcs
;
1726 enc_resp
->possible_clones
= encoder
->possible_clones
;
1729 drm_modeset_unlock_all(dev
);
1734 * drm_mode_getplane_res - get plane info
1737 * @file_priv: DRM file info
1739 * Return an plane count and set of IDs.
1741 int drm_mode_getplane_res(struct drm_device
*dev
, void *data
,
1742 struct drm_file
*file_priv
)
1744 struct drm_mode_get_plane_res
*plane_resp
= data
;
1745 struct drm_mode_config
*config
;
1746 struct drm_plane
*plane
;
1747 uint32_t __user
*plane_ptr
;
1748 int copied
= 0, ret
= 0;
1750 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
1753 drm_modeset_lock_all(dev
);
1754 config
= &dev
->mode_config
;
1757 * This ioctl is called twice, once to determine how much space is
1758 * needed, and the 2nd time to fill it.
1760 if (config
->num_plane
&&
1761 (plane_resp
->count_planes
>= config
->num_plane
)) {
1762 plane_ptr
= (uint32_t __user
*)(unsigned long)plane_resp
->plane_id_ptr
;
1764 list_for_each_entry(plane
, &config
->plane_list
, head
) {
1765 if (put_user(plane
->base
.id
, plane_ptr
+ copied
)) {
1772 plane_resp
->count_planes
= config
->num_plane
;
1775 drm_modeset_unlock_all(dev
);
1780 * drm_mode_getplane - get plane info
1783 * @file_priv: DRM file info
1785 * Return plane info, including formats supported, gamma size, any
1788 int drm_mode_getplane(struct drm_device
*dev
, void *data
,
1789 struct drm_file
*file_priv
)
1791 struct drm_mode_get_plane
*plane_resp
= data
;
1792 struct drm_mode_object
*obj
;
1793 struct drm_plane
*plane
;
1794 uint32_t __user
*format_ptr
;
1797 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
1800 drm_modeset_lock_all(dev
);
1801 obj
= drm_mode_object_find(dev
, plane_resp
->plane_id
,
1802 DRM_MODE_OBJECT_PLANE
);
1807 plane
= obj_to_plane(obj
);
1810 plane_resp
->crtc_id
= plane
->crtc
->base
.id
;
1812 plane_resp
->crtc_id
= 0;
1815 plane_resp
->fb_id
= plane
->fb
->base
.id
;
1817 plane_resp
->fb_id
= 0;
1819 plane_resp
->plane_id
= plane
->base
.id
;
1820 plane_resp
->possible_crtcs
= plane
->possible_crtcs
;
1821 plane_resp
->gamma_size
= plane
->gamma_size
;
1824 * This ioctl is called twice, once to determine how much space is
1825 * needed, and the 2nd time to fill it.
1827 if (plane
->format_count
&&
1828 (plane_resp
->count_format_types
>= plane
->format_count
)) {
1829 format_ptr
= (uint32_t __user
*)(unsigned long)plane_resp
->format_type_ptr
;
1830 if (copy_to_user(format_ptr
,
1831 plane
->format_types
,
1832 sizeof(uint32_t) * plane
->format_count
)) {
1837 plane_resp
->count_format_types
= plane
->format_count
;
1840 drm_modeset_unlock_all(dev
);
1845 * drm_mode_setplane - set up or tear down an plane
1847 * @data: ioctl data*
1848 * @file_priv: DRM file info
1850 * Set plane info, including placement, fb, scaling, and other factors.
1851 * Or pass a NULL fb to disable.
1853 int drm_mode_setplane(struct drm_device
*dev
, void *data
,
1854 struct drm_file
*file_priv
)
1856 struct drm_mode_set_plane
*plane_req
= data
;
1857 struct drm_mode_object
*obj
;
1858 struct drm_plane
*plane
;
1859 struct drm_crtc
*crtc
;
1860 struct drm_framebuffer
*fb
= NULL
, *old_fb
= NULL
;
1862 unsigned int fb_width
, fb_height
;
1865 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
1869 * First, find the plane, crtc, and fb objects. If not available,
1870 * we don't bother to call the driver.
1872 obj
= drm_mode_object_find(dev
, plane_req
->plane_id
,
1873 DRM_MODE_OBJECT_PLANE
);
1875 DRM_DEBUG_KMS("Unknown plane ID %d\n",
1876 plane_req
->plane_id
);
1879 plane
= obj_to_plane(obj
);
1881 /* No fb means shut it down */
1882 if (!plane_req
->fb_id
) {
1883 drm_modeset_lock_all(dev
);
1885 plane
->funcs
->disable_plane(plane
);
1888 drm_modeset_unlock_all(dev
);
1892 obj
= drm_mode_object_find(dev
, plane_req
->crtc_id
,
1893 DRM_MODE_OBJECT_CRTC
);
1895 DRM_DEBUG_KMS("Unknown crtc ID %d\n",
1896 plane_req
->crtc_id
);
1900 crtc
= obj_to_crtc(obj
);
1902 fb
= drm_framebuffer_lookup(dev
, plane_req
->fb_id
);
1904 DRM_DEBUG_KMS("Unknown framebuffer ID %d\n",
1910 /* Check whether this plane supports the fb pixel format. */
1911 for (i
= 0; i
< plane
->format_count
; i
++)
1912 if (fb
->pixel_format
== plane
->format_types
[i
])
1914 if (i
== plane
->format_count
) {
1915 DRM_DEBUG_KMS("Invalid pixel format 0x%08x\n", fb
->pixel_format
);
1920 fb_width
= fb
->width
<< 16;
1921 fb_height
= fb
->height
<< 16;
1923 /* Make sure source coordinates are inside the fb. */
1924 if (plane_req
->src_w
> fb_width
||
1925 plane_req
->src_x
> fb_width
- plane_req
->src_w
||
1926 plane_req
->src_h
> fb_height
||
1927 plane_req
->src_y
> fb_height
- plane_req
->src_h
) {
1928 DRM_DEBUG_KMS("Invalid source coordinates "
1929 "%u.%06ux%u.%06u+%u.%06u+%u.%06u\n",
1930 plane_req
->src_w
>> 16,
1931 ((plane_req
->src_w
& 0xffff) * 15625) >> 10,
1932 plane_req
->src_h
>> 16,
1933 ((plane_req
->src_h
& 0xffff) * 15625) >> 10,
1934 plane_req
->src_x
>> 16,
1935 ((plane_req
->src_x
& 0xffff) * 15625) >> 10,
1936 plane_req
->src_y
>> 16,
1937 ((plane_req
->src_y
& 0xffff) * 15625) >> 10);
1942 /* Give drivers some help against integer overflows */
1943 if (plane_req
->crtc_w
> INT_MAX
||
1944 plane_req
->crtc_x
> INT_MAX
- (int32_t) plane_req
->crtc_w
||
1945 plane_req
->crtc_h
> INT_MAX
||
1946 plane_req
->crtc_y
> INT_MAX
- (int32_t) plane_req
->crtc_h
) {
1947 DRM_DEBUG_KMS("Invalid CRTC coordinates %ux%u+%d+%d\n",
1948 plane_req
->crtc_w
, plane_req
->crtc_h
,
1949 plane_req
->crtc_x
, plane_req
->crtc_y
);
1954 drm_modeset_lock_all(dev
);
1955 ret
= plane
->funcs
->update_plane(plane
, crtc
, fb
,
1956 plane_req
->crtc_x
, plane_req
->crtc_y
,
1957 plane_req
->crtc_w
, plane_req
->crtc_h
,
1958 plane_req
->src_x
, plane_req
->src_y
,
1959 plane_req
->src_w
, plane_req
->src_h
);
1966 drm_modeset_unlock_all(dev
);
1970 drm_framebuffer_unreference(fb
);
1972 drm_framebuffer_unreference(old_fb
);
1978 * drm_mode_set_config_internal - helper to call ->set_config
1979 * @set: modeset config to set
1981 * This is a little helper to wrap internal calls to the ->set_config driver
1982 * interface. The only thing it adds is correct refcounting dance.
1984 int drm_mode_set_config_internal(struct drm_mode_set
*set
)
1986 struct drm_crtc
*crtc
= set
->crtc
;
1987 struct drm_framebuffer
*fb
, *old_fb
;
1993 ret
= crtc
->funcs
->set_config(set
);
1996 drm_framebuffer_unreference(old_fb
);
1998 drm_framebuffer_reference(fb
);
2003 EXPORT_SYMBOL(drm_mode_set_config_internal
);
2006 * drm_mode_setcrtc - set CRTC configuration
2007 * @dev: drm device for the ioctl
2008 * @data: data pointer for the ioctl
2009 * @file_priv: drm file for the ioctl call
2011 * Build a new CRTC configuration based on user request.
2013 * Called by the user via ioctl.
2016 * Zero on success, errno on failure.
2018 int drm_mode_setcrtc(struct drm_device
*dev
, void *data
,
2019 struct drm_file
*file_priv
)
2021 struct drm_mode_config
*config
= &dev
->mode_config
;
2022 struct drm_mode_crtc
*crtc_req
= data
;
2023 struct drm_mode_object
*obj
;
2024 struct drm_crtc
*crtc
;
2025 struct drm_connector
**connector_set
= NULL
, *connector
;
2026 struct drm_framebuffer
*fb
= NULL
;
2027 struct drm_display_mode
*mode
= NULL
;
2028 struct drm_mode_set set
;
2029 uint32_t __user
*set_connectors_ptr
;
2033 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
2036 /* For some reason crtc x/y offsets are signed internally. */
2037 if (crtc_req
->x
> INT_MAX
|| crtc_req
->y
> INT_MAX
)
2040 drm_modeset_lock_all(dev
);
2041 obj
= drm_mode_object_find(dev
, crtc_req
->crtc_id
,
2042 DRM_MODE_OBJECT_CRTC
);
2044 DRM_DEBUG_KMS("Unknown CRTC ID %d\n", crtc_req
->crtc_id
);
2048 crtc
= obj_to_crtc(obj
);
2049 DRM_DEBUG_KMS("[CRTC:%d]\n", crtc
->base
.id
);
2051 if (crtc_req
->mode_valid
) {
2052 int hdisplay
, vdisplay
;
2053 /* If we have a mode we need a framebuffer. */
2054 /* If we pass -1, set the mode with the currently bound fb */
2055 if (crtc_req
->fb_id
== -1) {
2057 DRM_DEBUG_KMS("CRTC doesn't have current FB\n");
2062 /* Make refcounting symmetric with the lookup path. */
2063 drm_framebuffer_reference(fb
);
2065 fb
= drm_framebuffer_lookup(dev
, crtc_req
->fb_id
);
2067 DRM_DEBUG_KMS("Unknown FB ID%d\n",
2074 mode
= drm_mode_create(dev
);
2080 ret
= drm_crtc_convert_umode(mode
, &crtc_req
->mode
);
2082 DRM_DEBUG_KMS("Invalid mode\n");
2086 drm_mode_set_crtcinfo(mode
, CRTC_INTERLACE_HALVE_V
);
2088 hdisplay
= mode
->hdisplay
;
2089 vdisplay
= mode
->vdisplay
;
2091 if (crtc
->invert_dimensions
)
2092 swap(hdisplay
, vdisplay
);
2094 if (hdisplay
> fb
->width
||
2095 vdisplay
> fb
->height
||
2096 crtc_req
->x
> fb
->width
- hdisplay
||
2097 crtc_req
->y
> fb
->height
- vdisplay
) {
2098 DRM_DEBUG_KMS("Invalid fb size %ux%u for CRTC viewport %ux%u+%d+%d%s.\n",
2099 fb
->width
, fb
->height
,
2100 hdisplay
, vdisplay
, crtc_req
->x
, crtc_req
->y
,
2101 crtc
->invert_dimensions
? " (inverted)" : "");
2107 if (crtc_req
->count_connectors
== 0 && mode
) {
2108 DRM_DEBUG_KMS("Count connectors is 0 but mode set\n");
2113 if (crtc_req
->count_connectors
> 0 && (!mode
|| !fb
)) {
2114 DRM_DEBUG_KMS("Count connectors is %d but no mode or fb set\n",
2115 crtc_req
->count_connectors
);
2120 if (crtc_req
->count_connectors
> 0) {
2123 /* Avoid unbounded kernel memory allocation */
2124 if (crtc_req
->count_connectors
> config
->num_connector
) {
2129 connector_set
= kmalloc(crtc_req
->count_connectors
*
2130 sizeof(struct drm_connector
*),
2132 if (!connector_set
) {
2137 for (i
= 0; i
< crtc_req
->count_connectors
; i
++) {
2138 set_connectors_ptr
= (uint32_t __user
*)(unsigned long)crtc_req
->set_connectors_ptr
;
2139 if (get_user(out_id
, &set_connectors_ptr
[i
])) {
2144 obj
= drm_mode_object_find(dev
, out_id
,
2145 DRM_MODE_OBJECT_CONNECTOR
);
2147 DRM_DEBUG_KMS("Connector id %d unknown\n",
2152 connector
= obj_to_connector(obj
);
2153 DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
2155 drm_get_connector_name(connector
));
2157 connector_set
[i
] = connector
;
2162 set
.x
= crtc_req
->x
;
2163 set
.y
= crtc_req
->y
;
2165 set
.connectors
= connector_set
;
2166 set
.num_connectors
= crtc_req
->count_connectors
;
2168 ret
= drm_mode_set_config_internal(&set
);
2172 drm_framebuffer_unreference(fb
);
2174 kfree(connector_set
);
2175 drm_mode_destroy(dev
, mode
);
2176 drm_modeset_unlock_all(dev
);
2180 int drm_mode_cursor_ioctl(struct drm_device
*dev
,
2181 void *data
, struct drm_file
*file_priv
)
2183 struct drm_mode_cursor
*req
= data
;
2184 struct drm_mode_object
*obj
;
2185 struct drm_crtc
*crtc
;
2188 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
2191 if (!req
->flags
|| (~DRM_MODE_CURSOR_FLAGS
& req
->flags
))
2194 obj
= drm_mode_object_find(dev
, req
->crtc_id
, DRM_MODE_OBJECT_CRTC
);
2196 DRM_DEBUG_KMS("Unknown CRTC ID %d\n", req
->crtc_id
);
2199 crtc
= obj_to_crtc(obj
);
2201 mutex_lock(&crtc
->mutex
);
2202 if (req
->flags
& DRM_MODE_CURSOR_BO
) {
2203 if (!crtc
->funcs
->cursor_set
) {
2207 /* Turns off the cursor if handle is 0 */
2208 ret
= crtc
->funcs
->cursor_set(crtc
, file_priv
, req
->handle
,
2209 req
->width
, req
->height
);
2212 if (req
->flags
& DRM_MODE_CURSOR_MOVE
) {
2213 if (crtc
->funcs
->cursor_move
) {
2214 ret
= crtc
->funcs
->cursor_move(crtc
, req
->x
, req
->y
);
2221 mutex_unlock(&crtc
->mutex
);
2226 /* Original addfb only supported RGB formats, so figure out which one */
2227 uint32_t drm_mode_legacy_fb_format(uint32_t bpp
, uint32_t depth
)
2233 fmt
= DRM_FORMAT_RGB332
;
2237 fmt
= DRM_FORMAT_XRGB1555
;
2239 fmt
= DRM_FORMAT_RGB565
;
2242 fmt
= DRM_FORMAT_RGB888
;
2246 fmt
= DRM_FORMAT_XRGB8888
;
2247 else if (depth
== 30)
2248 fmt
= DRM_FORMAT_XRGB2101010
;
2250 fmt
= DRM_FORMAT_ARGB8888
;
2253 DRM_ERROR("bad bpp, assuming x8r8g8b8 pixel format\n");
2254 fmt
= DRM_FORMAT_XRGB8888
;
2260 EXPORT_SYMBOL(drm_mode_legacy_fb_format
);
2263 * drm_mode_addfb - add an FB to the graphics configuration
2264 * @dev: drm device for the ioctl
2265 * @data: data pointer for the ioctl
2266 * @file_priv: drm file for the ioctl call
2268 * Add a new FB to the specified CRTC, given a user request.
2270 * Called by the user via ioctl.
2273 * Zero on success, errno on failure.
2275 int drm_mode_addfb(struct drm_device
*dev
,
2276 void *data
, struct drm_file
*file_priv
)
2278 struct drm_mode_fb_cmd
*or = data
;
2279 struct drm_mode_fb_cmd2 r
= {};
2280 struct drm_mode_config
*config
= &dev
->mode_config
;
2281 struct drm_framebuffer
*fb
;
2284 /* Use new struct with format internally */
2285 r
.fb_id
= or->fb_id
;
2286 r
.width
= or->width
;
2287 r
.height
= or->height
;
2288 r
.pitches
[0] = or->pitch
;
2289 r
.pixel_format
= drm_mode_legacy_fb_format(or->bpp
, or->depth
);
2290 r
.handles
[0] = or->handle
;
2292 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
2295 if ((config
->min_width
> r
.width
) || (r
.width
> config
->max_width
))
2298 if ((config
->min_height
> r
.height
) || (r
.height
> config
->max_height
))
2301 fb
= dev
->mode_config
.funcs
->fb_create(dev
, file_priv
, &r
);
2303 DRM_DEBUG_KMS("could not create framebuffer\n");
2304 drm_modeset_unlock_all(dev
);
2308 mutex_lock(&file_priv
->fbs_lock
);
2309 or->fb_id
= fb
->base
.id
;
2310 list_add(&fb
->filp_head
, &file_priv
->fbs
);
2311 DRM_DEBUG_KMS("[FB:%d]\n", fb
->base
.id
);
2312 mutex_unlock(&file_priv
->fbs_lock
);
2317 static int format_check(const struct drm_mode_fb_cmd2
*r
)
2319 uint32_t format
= r
->pixel_format
& ~DRM_FORMAT_BIG_ENDIAN
;
2323 case DRM_FORMAT_RGB332
:
2324 case DRM_FORMAT_BGR233
:
2325 case DRM_FORMAT_XRGB4444
:
2326 case DRM_FORMAT_XBGR4444
:
2327 case DRM_FORMAT_RGBX4444
:
2328 case DRM_FORMAT_BGRX4444
:
2329 case DRM_FORMAT_ARGB4444
:
2330 case DRM_FORMAT_ABGR4444
:
2331 case DRM_FORMAT_RGBA4444
:
2332 case DRM_FORMAT_BGRA4444
:
2333 case DRM_FORMAT_XRGB1555
:
2334 case DRM_FORMAT_XBGR1555
:
2335 case DRM_FORMAT_RGBX5551
:
2336 case DRM_FORMAT_BGRX5551
:
2337 case DRM_FORMAT_ARGB1555
:
2338 case DRM_FORMAT_ABGR1555
:
2339 case DRM_FORMAT_RGBA5551
:
2340 case DRM_FORMAT_BGRA5551
:
2341 case DRM_FORMAT_RGB565
:
2342 case DRM_FORMAT_BGR565
:
2343 case DRM_FORMAT_RGB888
:
2344 case DRM_FORMAT_BGR888
:
2345 case DRM_FORMAT_XRGB8888
:
2346 case DRM_FORMAT_XBGR8888
:
2347 case DRM_FORMAT_RGBX8888
:
2348 case DRM_FORMAT_BGRX8888
:
2349 case DRM_FORMAT_ARGB8888
:
2350 case DRM_FORMAT_ABGR8888
:
2351 case DRM_FORMAT_RGBA8888
:
2352 case DRM_FORMAT_BGRA8888
:
2353 case DRM_FORMAT_XRGB2101010
:
2354 case DRM_FORMAT_XBGR2101010
:
2355 case DRM_FORMAT_RGBX1010102
:
2356 case DRM_FORMAT_BGRX1010102
:
2357 case DRM_FORMAT_ARGB2101010
:
2358 case DRM_FORMAT_ABGR2101010
:
2359 case DRM_FORMAT_RGBA1010102
:
2360 case DRM_FORMAT_BGRA1010102
:
2361 case DRM_FORMAT_YUYV
:
2362 case DRM_FORMAT_YVYU
:
2363 case DRM_FORMAT_UYVY
:
2364 case DRM_FORMAT_VYUY
:
2365 case DRM_FORMAT_AYUV
:
2366 case DRM_FORMAT_NV12
:
2367 case DRM_FORMAT_NV21
:
2368 case DRM_FORMAT_NV16
:
2369 case DRM_FORMAT_NV61
:
2370 case DRM_FORMAT_NV24
:
2371 case DRM_FORMAT_NV42
:
2372 case DRM_FORMAT_YUV410
:
2373 case DRM_FORMAT_YVU410
:
2374 case DRM_FORMAT_YUV411
:
2375 case DRM_FORMAT_YVU411
:
2376 case DRM_FORMAT_YUV420
:
2377 case DRM_FORMAT_YVU420
:
2378 case DRM_FORMAT_YUV422
:
2379 case DRM_FORMAT_YVU422
:
2380 case DRM_FORMAT_YUV444
:
2381 case DRM_FORMAT_YVU444
:
2388 static int framebuffer_check(const struct drm_mode_fb_cmd2
*r
)
2390 int ret
, hsub
, vsub
, num_planes
, i
;
2392 ret
= format_check(r
);
2394 DRM_DEBUG_KMS("bad framebuffer format 0x%08x\n", r
->pixel_format
);
2398 hsub
= drm_format_horz_chroma_subsampling(r
->pixel_format
);
2399 vsub
= drm_format_vert_chroma_subsampling(r
->pixel_format
);
2400 num_planes
= drm_format_num_planes(r
->pixel_format
);
2402 if (r
->width
== 0 || r
->width
% hsub
) {
2403 DRM_DEBUG_KMS("bad framebuffer width %u\n", r
->height
);
2407 if (r
->height
== 0 || r
->height
% vsub
) {
2408 DRM_DEBUG_KMS("bad framebuffer height %u\n", r
->height
);
2412 for (i
= 0; i
< num_planes
; i
++) {
2413 unsigned int width
= r
->width
/ (i
!= 0 ? hsub
: 1);
2414 unsigned int height
= r
->height
/ (i
!= 0 ? vsub
: 1);
2415 unsigned int cpp
= drm_format_plane_cpp(r
->pixel_format
, i
);
2417 if (!r
->handles
[i
]) {
2418 DRM_DEBUG_KMS("no buffer object handle for plane %d\n", i
);
2422 if ((uint64_t) width
* cpp
> UINT_MAX
)
2425 if ((uint64_t) height
* r
->pitches
[i
] + r
->offsets
[i
] > UINT_MAX
)
2428 if (r
->pitches
[i
] < width
* cpp
) {
2429 DRM_DEBUG_KMS("bad pitch %u for plane %d\n", r
->pitches
[i
], i
);
2438 * drm_mode_addfb2 - add an FB to the graphics configuration
2439 * @dev: drm device for the ioctl
2440 * @data: data pointer for the ioctl
2441 * @file_priv: drm file for the ioctl call
2443 * Add a new FB to the specified CRTC, given a user request with format.
2445 * Called by the user via ioctl.
2448 * Zero on success, errno on failure.
2450 int drm_mode_addfb2(struct drm_device
*dev
,
2451 void *data
, struct drm_file
*file_priv
)
2453 struct drm_mode_fb_cmd2
*r
= data
;
2454 struct drm_mode_config
*config
= &dev
->mode_config
;
2455 struct drm_framebuffer
*fb
;
2458 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
2461 if (r
->flags
& ~DRM_MODE_FB_INTERLACED
) {
2462 DRM_DEBUG_KMS("bad framebuffer flags 0x%08x\n", r
->flags
);
2466 if ((config
->min_width
> r
->width
) || (r
->width
> config
->max_width
)) {
2467 DRM_DEBUG_KMS("bad framebuffer width %d, should be >= %d && <= %d\n",
2468 r
->width
, config
->min_width
, config
->max_width
);
2471 if ((config
->min_height
> r
->height
) || (r
->height
> config
->max_height
)) {
2472 DRM_DEBUG_KMS("bad framebuffer height %d, should be >= %d && <= %d\n",
2473 r
->height
, config
->min_height
, config
->max_height
);
2477 ret
= framebuffer_check(r
);
2481 fb
= dev
->mode_config
.funcs
->fb_create(dev
, file_priv
, r
);
2483 DRM_DEBUG_KMS("could not create framebuffer\n");
2484 drm_modeset_unlock_all(dev
);
2488 mutex_lock(&file_priv
->fbs_lock
);
2489 r
->fb_id
= fb
->base
.id
;
2490 list_add(&fb
->filp_head
, &file_priv
->fbs
);
2491 DRM_DEBUG_KMS("[FB:%d]\n", fb
->base
.id
);
2492 mutex_unlock(&file_priv
->fbs_lock
);
2499 * drm_mode_rmfb - remove an FB from the configuration
2500 * @dev: drm device for the ioctl
2501 * @data: data pointer for the ioctl
2502 * @file_priv: drm file for the ioctl call
2504 * Remove the FB specified by the user.
2506 * Called by the user via ioctl.
2509 * Zero on success, errno on failure.
2511 int drm_mode_rmfb(struct drm_device
*dev
,
2512 void *data
, struct drm_file
*file_priv
)
2514 struct drm_framebuffer
*fb
= NULL
;
2515 struct drm_framebuffer
*fbl
= NULL
;
2516 uint32_t *id
= data
;
2519 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
2522 mutex_lock(&file_priv
->fbs_lock
);
2523 mutex_lock(&dev
->mode_config
.fb_lock
);
2524 fb
= __drm_framebuffer_lookup(dev
, *id
);
2528 list_for_each_entry(fbl
, &file_priv
->fbs
, filp_head
)
2534 /* Mark fb as reaped, we still have a ref from fpriv->fbs. */
2535 __drm_framebuffer_unregister(dev
, fb
);
2537 list_del_init(&fb
->filp_head
);
2538 mutex_unlock(&dev
->mode_config
.fb_lock
);
2539 mutex_unlock(&file_priv
->fbs_lock
);
2541 drm_modeset_lock_all(dev
);
2542 drm_framebuffer_remove(fb
);
2543 drm_modeset_unlock_all(dev
);
2548 mutex_unlock(&dev
->mode_config
.fb_lock
);
2549 mutex_unlock(&file_priv
->fbs_lock
);
2555 * drm_mode_getfb - get FB info
2556 * @dev: drm device for the ioctl
2557 * @data: data pointer for the ioctl
2558 * @file_priv: drm file for the ioctl call
2560 * Lookup the FB given its ID and return info about it.
2562 * Called by the user via ioctl.
2565 * Zero on success, errno on failure.
2567 int drm_mode_getfb(struct drm_device
*dev
,
2568 void *data
, struct drm_file
*file_priv
)
2570 struct drm_mode_fb_cmd
*r
= data
;
2571 struct drm_framebuffer
*fb
;
2574 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
2577 fb
= drm_framebuffer_lookup(dev
, r
->fb_id
);
2581 r
->height
= fb
->height
;
2582 r
->width
= fb
->width
;
2583 r
->depth
= fb
->depth
;
2584 r
->bpp
= fb
->bits_per_pixel
;
2585 r
->pitch
= fb
->pitches
[0];
2586 if (fb
->funcs
->create_handle
)
2587 ret
= fb
->funcs
->create_handle(fb
, file_priv
, &r
->handle
);
2591 drm_framebuffer_unreference(fb
);
2596 int drm_mode_dirtyfb_ioctl(struct drm_device
*dev
,
2597 void *data
, struct drm_file
*file_priv
)
2599 struct drm_clip_rect __user
*clips_ptr
;
2600 struct drm_clip_rect
*clips
= NULL
;
2601 struct drm_mode_fb_dirty_cmd
*r
= data
;
2602 struct drm_framebuffer
*fb
;
2607 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
2610 fb
= drm_framebuffer_lookup(dev
, r
->fb_id
);
2614 num_clips
= r
->num_clips
;
2615 clips_ptr
= (struct drm_clip_rect __user
*)(unsigned long)r
->clips_ptr
;
2617 if (!num_clips
!= !clips_ptr
) {
2622 flags
= DRM_MODE_FB_DIRTY_FLAGS
& r
->flags
;
2624 /* If userspace annotates copy, clips must come in pairs */
2625 if (flags
& DRM_MODE_FB_DIRTY_ANNOTATE_COPY
&& (num_clips
% 2)) {
2630 if (num_clips
&& clips_ptr
) {
2631 if (num_clips
< 0 || num_clips
> DRM_MODE_FB_DIRTY_MAX_CLIPS
) {
2635 clips
= kzalloc(num_clips
* sizeof(*clips
), GFP_KERNEL
);
2641 ret
= copy_from_user(clips
, clips_ptr
,
2642 num_clips
* sizeof(*clips
));
2649 if (fb
->funcs
->dirty
) {
2650 drm_modeset_lock_all(dev
);
2651 ret
= fb
->funcs
->dirty(fb
, file_priv
, flags
, r
->color
,
2653 drm_modeset_unlock_all(dev
);
2661 drm_framebuffer_unreference(fb
);
2668 * drm_fb_release - remove and free the FBs on this file
2669 * @priv: drm file for the ioctl
2671 * Destroy all the FBs associated with @filp.
2673 * Called by the user via ioctl.
2676 * Zero on success, errno on failure.
2678 void drm_fb_release(struct drm_file
*priv
)
2680 struct drm_device
*dev
= priv
->minor
->dev
;
2681 struct drm_framebuffer
*fb
, *tfb
;
2683 mutex_lock(&priv
->fbs_lock
);
2684 list_for_each_entry_safe(fb
, tfb
, &priv
->fbs
, filp_head
) {
2686 mutex_lock(&dev
->mode_config
.fb_lock
);
2687 /* Mark fb as reaped, we still have a ref from fpriv->fbs. */
2688 __drm_framebuffer_unregister(dev
, fb
);
2689 mutex_unlock(&dev
->mode_config
.fb_lock
);
2691 list_del_init(&fb
->filp_head
);
2693 /* This will also drop the fpriv->fbs reference. */
2694 drm_modeset_lock_all(dev
);
2695 drm_framebuffer_remove(fb
);
2696 drm_modeset_unlock_all(dev
);
2698 mutex_unlock(&priv
->fbs_lock
);
2702 * drm_mode_attachmode - add a mode to the user mode list
2704 * @connector: connector to add the mode to
2705 * @mode: mode to add
2707 * Add @mode to @connector's user mode list.
2709 static void drm_mode_attachmode(struct drm_device
*dev
,
2710 struct drm_connector
*connector
,
2711 struct drm_display_mode
*mode
)
2713 list_add_tail(&mode
->head
, &connector
->user_modes
);
2716 int drm_mode_attachmode_crtc(struct drm_device
*dev
, struct drm_crtc
*crtc
,
2717 const struct drm_display_mode
*mode
)
2719 struct drm_connector
*connector
;
2721 struct drm_display_mode
*dup_mode
, *next
;
2724 list_for_each_entry(connector
, &dev
->mode_config
.connector_list
, head
) {
2725 if (!connector
->encoder
)
2727 if (connector
->encoder
->crtc
== crtc
) {
2728 dup_mode
= drm_mode_duplicate(dev
, mode
);
2733 list_add_tail(&dup_mode
->head
, &list
);
2737 list_for_each_entry(connector
, &dev
->mode_config
.connector_list
, head
) {
2738 if (!connector
->encoder
)
2740 if (connector
->encoder
->crtc
== crtc
)
2741 list_move_tail(list
.next
, &connector
->user_modes
);
2744 WARN_ON(!list_empty(&list
));
2747 list_for_each_entry_safe(dup_mode
, next
, &list
, head
)
2748 drm_mode_destroy(dev
, dup_mode
);
2752 EXPORT_SYMBOL(drm_mode_attachmode_crtc
);
2754 static int drm_mode_detachmode(struct drm_device
*dev
,
2755 struct drm_connector
*connector
,
2756 struct drm_display_mode
*mode
)
2760 struct drm_display_mode
*match_mode
, *t
;
2762 list_for_each_entry_safe(match_mode
, t
, &connector
->user_modes
, head
) {
2763 if (drm_mode_equal(match_mode
, mode
)) {
2764 list_del(&match_mode
->head
);
2765 drm_mode_destroy(dev
, match_mode
);
2777 int drm_mode_detachmode_crtc(struct drm_device
*dev
, struct drm_display_mode
*mode
)
2779 struct drm_connector
*connector
;
2781 list_for_each_entry(connector
, &dev
->mode_config
.connector_list
, head
) {
2782 drm_mode_detachmode(dev
, connector
, mode
);
2786 EXPORT_SYMBOL(drm_mode_detachmode_crtc
);
2789 * drm_fb_attachmode - Attach a user mode to an connector
2790 * @dev: drm device for the ioctl
2791 * @data: data pointer for the ioctl
2792 * @file_priv: drm file for the ioctl call
2794 * This attaches a user specified mode to an connector.
2795 * Called by the user via ioctl.
2798 * Zero on success, errno on failure.
2800 int drm_mode_attachmode_ioctl(struct drm_device
*dev
,
2801 void *data
, struct drm_file
*file_priv
)
2803 struct drm_mode_mode_cmd
*mode_cmd
= data
;
2804 struct drm_connector
*connector
;
2805 struct drm_display_mode
*mode
;
2806 struct drm_mode_object
*obj
;
2807 struct drm_mode_modeinfo
*umode
= &mode_cmd
->mode
;
2810 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
2813 drm_modeset_lock_all(dev
);
2815 obj
= drm_mode_object_find(dev
, mode_cmd
->connector_id
, DRM_MODE_OBJECT_CONNECTOR
);
2820 connector
= obj_to_connector(obj
);
2822 mode
= drm_mode_create(dev
);
2828 ret
= drm_crtc_convert_umode(mode
, umode
);
2830 DRM_DEBUG_KMS("Invalid mode\n");
2831 drm_mode_destroy(dev
, mode
);
2835 drm_mode_attachmode(dev
, connector
, mode
);
2837 drm_modeset_unlock_all(dev
);
2843 * drm_fb_detachmode - Detach a user specified mode from an connector
2844 * @dev: drm device for the ioctl
2845 * @data: data pointer for the ioctl
2846 * @file_priv: drm file for the ioctl call
2848 * Called by the user via ioctl.
2851 * Zero on success, errno on failure.
2853 int drm_mode_detachmode_ioctl(struct drm_device
*dev
,
2854 void *data
, struct drm_file
*file_priv
)
2856 struct drm_mode_object
*obj
;
2857 struct drm_mode_mode_cmd
*mode_cmd
= data
;
2858 struct drm_connector
*connector
;
2859 struct drm_display_mode mode
;
2860 struct drm_mode_modeinfo
*umode
= &mode_cmd
->mode
;
2863 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
2866 drm_modeset_lock_all(dev
);
2868 obj
= drm_mode_object_find(dev
, mode_cmd
->connector_id
, DRM_MODE_OBJECT_CONNECTOR
);
2873 connector
= obj_to_connector(obj
);
2875 ret
= drm_crtc_convert_umode(&mode
, umode
);
2877 DRM_DEBUG_KMS("Invalid mode\n");
2881 ret
= drm_mode_detachmode(dev
, connector
, &mode
);
2883 drm_modeset_unlock_all(dev
);
2887 struct drm_property
*drm_property_create(struct drm_device
*dev
, int flags
,
2888 const char *name
, int num_values
)
2890 struct drm_property
*property
= NULL
;
2893 property
= kzalloc(sizeof(struct drm_property
), GFP_KERNEL
);
2898 property
->values
= kzalloc(sizeof(uint64_t)*num_values
, GFP_KERNEL
);
2899 if (!property
->values
)
2903 ret
= drm_mode_object_get(dev
, &property
->base
, DRM_MODE_OBJECT_PROPERTY
);
2907 property
->flags
= flags
;
2908 property
->num_values
= num_values
;
2909 INIT_LIST_HEAD(&property
->enum_blob_list
);
2912 strncpy(property
->name
, name
, DRM_PROP_NAME_LEN
);
2913 property
->name
[DRM_PROP_NAME_LEN
-1] = '\0';
2916 list_add_tail(&property
->head
, &dev
->mode_config
.property_list
);
2919 kfree(property
->values
);
2923 EXPORT_SYMBOL(drm_property_create
);
2925 struct drm_property
*drm_property_create_enum(struct drm_device
*dev
, int flags
,
2927 const struct drm_prop_enum_list
*props
,
2930 struct drm_property
*property
;
2933 flags
|= DRM_MODE_PROP_ENUM
;
2935 property
= drm_property_create(dev
, flags
, name
, num_values
);
2939 for (i
= 0; i
< num_values
; i
++) {
2940 ret
= drm_property_add_enum(property
, i
,
2944 drm_property_destroy(dev
, property
);
2951 EXPORT_SYMBOL(drm_property_create_enum
);
2953 struct drm_property
*drm_property_create_bitmask(struct drm_device
*dev
,
2954 int flags
, const char *name
,
2955 const struct drm_prop_enum_list
*props
,
2958 struct drm_property
*property
;
2961 flags
|= DRM_MODE_PROP_BITMASK
;
2963 property
= drm_property_create(dev
, flags
, name
, num_values
);
2967 for (i
= 0; i
< num_values
; i
++) {
2968 ret
= drm_property_add_enum(property
, i
,
2972 drm_property_destroy(dev
, property
);
2979 EXPORT_SYMBOL(drm_property_create_bitmask
);
2981 struct drm_property
*drm_property_create_range(struct drm_device
*dev
, int flags
,
2983 uint64_t min
, uint64_t max
)
2985 struct drm_property
*property
;
2987 flags
|= DRM_MODE_PROP_RANGE
;
2989 property
= drm_property_create(dev
, flags
, name
, 2);
2993 property
->values
[0] = min
;
2994 property
->values
[1] = max
;
2998 EXPORT_SYMBOL(drm_property_create_range
);
3000 int drm_property_add_enum(struct drm_property
*property
, int index
,
3001 uint64_t value
, const char *name
)
3003 struct drm_property_enum
*prop_enum
;
3005 if (!(property
->flags
& (DRM_MODE_PROP_ENUM
| DRM_MODE_PROP_BITMASK
)))
3009 * Bitmask enum properties have the additional constraint of values
3012 if ((property
->flags
& DRM_MODE_PROP_BITMASK
) && (value
> 63))
3015 if (!list_empty(&property
->enum_blob_list
)) {
3016 list_for_each_entry(prop_enum
, &property
->enum_blob_list
, head
) {
3017 if (prop_enum
->value
== value
) {
3018 strncpy(prop_enum
->name
, name
, DRM_PROP_NAME_LEN
);
3019 prop_enum
->name
[DRM_PROP_NAME_LEN
-1] = '\0';
3025 prop_enum
= kzalloc(sizeof(struct drm_property_enum
), GFP_KERNEL
);
3029 strncpy(prop_enum
->name
, name
, DRM_PROP_NAME_LEN
);
3030 prop_enum
->name
[DRM_PROP_NAME_LEN
-1] = '\0';
3031 prop_enum
->value
= value
;
3033 property
->values
[index
] = value
;
3034 list_add_tail(&prop_enum
->head
, &property
->enum_blob_list
);
3037 EXPORT_SYMBOL(drm_property_add_enum
);
3039 void drm_property_destroy(struct drm_device
*dev
, struct drm_property
*property
)
3041 struct drm_property_enum
*prop_enum
, *pt
;
3043 list_for_each_entry_safe(prop_enum
, pt
, &property
->enum_blob_list
, head
) {
3044 list_del(&prop_enum
->head
);
3048 if (property
->num_values
)
3049 kfree(property
->values
);
3050 drm_mode_object_put(dev
, &property
->base
);
3051 list_del(&property
->head
);
3054 EXPORT_SYMBOL(drm_property_destroy
);
3056 void drm_object_attach_property(struct drm_mode_object
*obj
,
3057 struct drm_property
*property
,
3060 int count
= obj
->properties
->count
;
3062 if (count
== DRM_OBJECT_MAX_PROPERTY
) {
3063 WARN(1, "Failed to attach object property (type: 0x%x). Please "
3064 "increase DRM_OBJECT_MAX_PROPERTY by 1 for each time "
3065 "you see this message on the same object type.\n",
3070 obj
->properties
->ids
[count
] = property
->base
.id
;
3071 obj
->properties
->values
[count
] = init_val
;
3072 obj
->properties
->count
++;
3074 EXPORT_SYMBOL(drm_object_attach_property
);
3076 int drm_object_property_set_value(struct drm_mode_object
*obj
,
3077 struct drm_property
*property
, uint64_t val
)
3081 for (i
= 0; i
< obj
->properties
->count
; i
++) {
3082 if (obj
->properties
->ids
[i
] == property
->base
.id
) {
3083 obj
->properties
->values
[i
] = val
;
3090 EXPORT_SYMBOL(drm_object_property_set_value
);
3092 int drm_object_property_get_value(struct drm_mode_object
*obj
,
3093 struct drm_property
*property
, uint64_t *val
)
3097 for (i
= 0; i
< obj
->properties
->count
; i
++) {
3098 if (obj
->properties
->ids
[i
] == property
->base
.id
) {
3099 *val
= obj
->properties
->values
[i
];
3106 EXPORT_SYMBOL(drm_object_property_get_value
);
3108 int drm_mode_getproperty_ioctl(struct drm_device
*dev
,
3109 void *data
, struct drm_file
*file_priv
)
3111 struct drm_mode_object
*obj
;
3112 struct drm_mode_get_property
*out_resp
= data
;
3113 struct drm_property
*property
;
3116 int value_count
= 0;
3119 struct drm_property_enum
*prop_enum
;
3120 struct drm_mode_property_enum __user
*enum_ptr
;
3121 struct drm_property_blob
*prop_blob
;
3122 uint32_t __user
*blob_id_ptr
;
3123 uint64_t __user
*values_ptr
;
3124 uint32_t __user
*blob_length_ptr
;
3126 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
3129 drm_modeset_lock_all(dev
);
3130 obj
= drm_mode_object_find(dev
, out_resp
->prop_id
, DRM_MODE_OBJECT_PROPERTY
);
3135 property
= obj_to_property(obj
);
3137 if (property
->flags
& (DRM_MODE_PROP_ENUM
| DRM_MODE_PROP_BITMASK
)) {
3138 list_for_each_entry(prop_enum
, &property
->enum_blob_list
, head
)
3140 } else if (property
->flags
& DRM_MODE_PROP_BLOB
) {
3141 list_for_each_entry(prop_blob
, &property
->enum_blob_list
, head
)
3145 value_count
= property
->num_values
;
3147 strncpy(out_resp
->name
, property
->name
, DRM_PROP_NAME_LEN
);
3148 out_resp
->name
[DRM_PROP_NAME_LEN
-1] = 0;
3149 out_resp
->flags
= property
->flags
;
3151 if ((out_resp
->count_values
>= value_count
) && value_count
) {
3152 values_ptr
= (uint64_t __user
*)(unsigned long)out_resp
->values_ptr
;
3153 for (i
= 0; i
< value_count
; i
++) {
3154 if (copy_to_user(values_ptr
+ i
, &property
->values
[i
], sizeof(uint64_t))) {
3160 out_resp
->count_values
= value_count
;
3162 if (property
->flags
& (DRM_MODE_PROP_ENUM
| DRM_MODE_PROP_BITMASK
)) {
3163 if ((out_resp
->count_enum_blobs
>= enum_count
) && enum_count
) {
3165 enum_ptr
= (struct drm_mode_property_enum __user
*)(unsigned long)out_resp
->enum_blob_ptr
;
3166 list_for_each_entry(prop_enum
, &property
->enum_blob_list
, head
) {
3168 if (copy_to_user(&enum_ptr
[copied
].value
, &prop_enum
->value
, sizeof(uint64_t))) {
3173 if (copy_to_user(&enum_ptr
[copied
].name
,
3174 &prop_enum
->name
, DRM_PROP_NAME_LEN
)) {
3181 out_resp
->count_enum_blobs
= enum_count
;
3184 if (property
->flags
& DRM_MODE_PROP_BLOB
) {
3185 if ((out_resp
->count_enum_blobs
>= blob_count
) && blob_count
) {
3187 blob_id_ptr
= (uint32_t __user
*)(unsigned long)out_resp
->enum_blob_ptr
;
3188 blob_length_ptr
= (uint32_t __user
*)(unsigned long)out_resp
->values_ptr
;
3190 list_for_each_entry(prop_blob
, &property
->enum_blob_list
, head
) {
3191 if (put_user(prop_blob
->base
.id
, blob_id_ptr
+ copied
)) {
3196 if (put_user(prop_blob
->length
, blob_length_ptr
+ copied
)) {
3204 out_resp
->count_enum_blobs
= blob_count
;
3207 drm_modeset_unlock_all(dev
);
3211 static struct drm_property_blob
*drm_property_create_blob(struct drm_device
*dev
, int length
,
3214 struct drm_property_blob
*blob
;
3217 if (!length
|| !data
)
3220 blob
= kzalloc(sizeof(struct drm_property_blob
)+length
, GFP_KERNEL
);
3224 ret
= drm_mode_object_get(dev
, &blob
->base
, DRM_MODE_OBJECT_BLOB
);
3230 blob
->length
= length
;
3232 memcpy(blob
->data
, data
, length
);
3234 list_add_tail(&blob
->head
, &dev
->mode_config
.property_blob_list
);
3238 static void drm_property_destroy_blob(struct drm_device
*dev
,
3239 struct drm_property_blob
*blob
)
3241 drm_mode_object_put(dev
, &blob
->base
);
3242 list_del(&blob
->head
);
3246 int drm_mode_getblob_ioctl(struct drm_device
*dev
,
3247 void *data
, struct drm_file
*file_priv
)
3249 struct drm_mode_object
*obj
;
3250 struct drm_mode_get_blob
*out_resp
= data
;
3251 struct drm_property_blob
*blob
;
3253 void __user
*blob_ptr
;
3255 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
3258 drm_modeset_lock_all(dev
);
3259 obj
= drm_mode_object_find(dev
, out_resp
->blob_id
, DRM_MODE_OBJECT_BLOB
);
3264 blob
= obj_to_blob(obj
);
3266 if (out_resp
->length
== blob
->length
) {
3267 blob_ptr
= (void __user
*)(unsigned long)out_resp
->data
;
3268 if (copy_to_user(blob_ptr
, blob
->data
, blob
->length
)){
3273 out_resp
->length
= blob
->length
;
3276 drm_modeset_unlock_all(dev
);
3280 int drm_mode_connector_update_edid_property(struct drm_connector
*connector
,
3283 struct drm_device
*dev
= connector
->dev
;
3286 if (connector
->edid_blob_ptr
)
3287 drm_property_destroy_blob(dev
, connector
->edid_blob_ptr
);
3289 /* Delete edid, when there is none. */
3291 connector
->edid_blob_ptr
= NULL
;
3292 ret
= drm_object_property_set_value(&connector
->base
, dev
->mode_config
.edid_property
, 0);
3296 size
= EDID_LENGTH
* (1 + edid
->extensions
);
3297 connector
->edid_blob_ptr
= drm_property_create_blob(connector
->dev
,
3299 if (!connector
->edid_blob_ptr
)
3302 ret
= drm_object_property_set_value(&connector
->base
,
3303 dev
->mode_config
.edid_property
,
3304 connector
->edid_blob_ptr
->base
.id
);
3308 EXPORT_SYMBOL(drm_mode_connector_update_edid_property
);
3310 static bool drm_property_change_is_valid(struct drm_property
*property
,
3313 if (property
->flags
& DRM_MODE_PROP_IMMUTABLE
)
3315 if (property
->flags
& DRM_MODE_PROP_RANGE
) {
3316 if (value
< property
->values
[0] || value
> property
->values
[1])
3319 } else if (property
->flags
& DRM_MODE_PROP_BITMASK
) {
3321 uint64_t valid_mask
= 0;
3322 for (i
= 0; i
< property
->num_values
; i
++)
3323 valid_mask
|= (1ULL << property
->values
[i
]);
3324 return !(value
& ~valid_mask
);
3325 } else if (property
->flags
& DRM_MODE_PROP_BLOB
) {
3326 /* Only the driver knows */
3330 for (i
= 0; i
< property
->num_values
; i
++)
3331 if (property
->values
[i
] == value
)
3337 int drm_mode_connector_property_set_ioctl(struct drm_device
*dev
,
3338 void *data
, struct drm_file
*file_priv
)
3340 struct drm_mode_connector_set_property
*conn_set_prop
= data
;
3341 struct drm_mode_obj_set_property obj_set_prop
= {
3342 .value
= conn_set_prop
->value
,
3343 .prop_id
= conn_set_prop
->prop_id
,
3344 .obj_id
= conn_set_prop
->connector_id
,
3345 .obj_type
= DRM_MODE_OBJECT_CONNECTOR
3348 /* It does all the locking and checking we need */
3349 return drm_mode_obj_set_property_ioctl(dev
, &obj_set_prop
, file_priv
);
3352 static int drm_mode_connector_set_obj_prop(struct drm_mode_object
*obj
,
3353 struct drm_property
*property
,
3357 struct drm_connector
*connector
= obj_to_connector(obj
);
3359 /* Do DPMS ourselves */
3360 if (property
== connector
->dev
->mode_config
.dpms_property
) {
3361 if (connector
->funcs
->dpms
)
3362 (*connector
->funcs
->dpms
)(connector
, (int)value
);
3364 } else if (connector
->funcs
->set_property
)
3365 ret
= connector
->funcs
->set_property(connector
, property
, value
);
3367 /* store the property value if successful */
3369 drm_object_property_set_value(&connector
->base
, property
, value
);
3373 static int drm_mode_crtc_set_obj_prop(struct drm_mode_object
*obj
,
3374 struct drm_property
*property
,
3378 struct drm_crtc
*crtc
= obj_to_crtc(obj
);
3380 if (crtc
->funcs
->set_property
)
3381 ret
= crtc
->funcs
->set_property(crtc
, property
, value
);
3383 drm_object_property_set_value(obj
, property
, value
);
3388 static int drm_mode_plane_set_obj_prop(struct drm_mode_object
*obj
,
3389 struct drm_property
*property
,
3393 struct drm_plane
*plane
= obj_to_plane(obj
);
3395 if (plane
->funcs
->set_property
)
3396 ret
= plane
->funcs
->set_property(plane
, property
, value
);
3398 drm_object_property_set_value(obj
, property
, value
);
3403 int drm_mode_obj_get_properties_ioctl(struct drm_device
*dev
, void *data
,
3404 struct drm_file
*file_priv
)
3406 struct drm_mode_obj_get_properties
*arg
= data
;
3407 struct drm_mode_object
*obj
;
3411 int props_count
= 0;
3412 uint32_t __user
*props_ptr
;
3413 uint64_t __user
*prop_values_ptr
;
3415 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
3418 drm_modeset_lock_all(dev
);
3420 obj
= drm_mode_object_find(dev
, arg
->obj_id
, arg
->obj_type
);
3425 if (!obj
->properties
) {
3430 props_count
= obj
->properties
->count
;
3432 /* This ioctl is called twice, once to determine how much space is
3433 * needed, and the 2nd time to fill it. */
3434 if ((arg
->count_props
>= props_count
) && props_count
) {
3436 props_ptr
= (uint32_t __user
*)(unsigned long)(arg
->props_ptr
);
3437 prop_values_ptr
= (uint64_t __user
*)(unsigned long)
3438 (arg
->prop_values_ptr
);
3439 for (i
= 0; i
< props_count
; i
++) {
3440 if (put_user(obj
->properties
->ids
[i
],
3441 props_ptr
+ copied
)) {
3445 if (put_user(obj
->properties
->values
[i
],
3446 prop_values_ptr
+ copied
)) {
3453 arg
->count_props
= props_count
;
3455 drm_modeset_unlock_all(dev
);
3459 int drm_mode_obj_set_property_ioctl(struct drm_device
*dev
, void *data
,
3460 struct drm_file
*file_priv
)
3462 struct drm_mode_obj_set_property
*arg
= data
;
3463 struct drm_mode_object
*arg_obj
;
3464 struct drm_mode_object
*prop_obj
;
3465 struct drm_property
*property
;
3469 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
3472 drm_modeset_lock_all(dev
);
3474 arg_obj
= drm_mode_object_find(dev
, arg
->obj_id
, arg
->obj_type
);
3477 if (!arg_obj
->properties
)
3480 for (i
= 0; i
< arg_obj
->properties
->count
; i
++)
3481 if (arg_obj
->properties
->ids
[i
] == arg
->prop_id
)
3484 if (i
== arg_obj
->properties
->count
)
3487 prop_obj
= drm_mode_object_find(dev
, arg
->prop_id
,
3488 DRM_MODE_OBJECT_PROPERTY
);
3491 property
= obj_to_property(prop_obj
);
3493 if (!drm_property_change_is_valid(property
, arg
->value
))
3496 switch (arg_obj
->type
) {
3497 case DRM_MODE_OBJECT_CONNECTOR
:
3498 ret
= drm_mode_connector_set_obj_prop(arg_obj
, property
,
3501 case DRM_MODE_OBJECT_CRTC
:
3502 ret
= drm_mode_crtc_set_obj_prop(arg_obj
, property
, arg
->value
);
3504 case DRM_MODE_OBJECT_PLANE
:
3505 ret
= drm_mode_plane_set_obj_prop(arg_obj
, property
, arg
->value
);
3510 drm_modeset_unlock_all(dev
);
3514 int drm_mode_connector_attach_encoder(struct drm_connector
*connector
,
3515 struct drm_encoder
*encoder
)
3519 for (i
= 0; i
< DRM_CONNECTOR_MAX_ENCODER
; i
++) {
3520 if (connector
->encoder_ids
[i
] == 0) {
3521 connector
->encoder_ids
[i
] = encoder
->base
.id
;
3527 EXPORT_SYMBOL(drm_mode_connector_attach_encoder
);
3529 void drm_mode_connector_detach_encoder(struct drm_connector
*connector
,
3530 struct drm_encoder
*encoder
)
3533 for (i
= 0; i
< DRM_CONNECTOR_MAX_ENCODER
; i
++) {
3534 if (connector
->encoder_ids
[i
] == encoder
->base
.id
) {
3535 connector
->encoder_ids
[i
] = 0;
3536 if (connector
->encoder
== encoder
)
3537 connector
->encoder
= NULL
;
3542 EXPORT_SYMBOL(drm_mode_connector_detach_encoder
);
3544 int drm_mode_crtc_set_gamma_size(struct drm_crtc
*crtc
,
3547 crtc
->gamma_size
= gamma_size
;
3549 crtc
->gamma_store
= kzalloc(gamma_size
* sizeof(uint16_t) * 3, GFP_KERNEL
);
3550 if (!crtc
->gamma_store
) {
3551 crtc
->gamma_size
= 0;
3557 EXPORT_SYMBOL(drm_mode_crtc_set_gamma_size
);
3559 int drm_mode_gamma_set_ioctl(struct drm_device
*dev
,
3560 void *data
, struct drm_file
*file_priv
)
3562 struct drm_mode_crtc_lut
*crtc_lut
= data
;
3563 struct drm_mode_object
*obj
;
3564 struct drm_crtc
*crtc
;
3565 void *r_base
, *g_base
, *b_base
;
3569 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
3572 drm_modeset_lock_all(dev
);
3573 obj
= drm_mode_object_find(dev
, crtc_lut
->crtc_id
, DRM_MODE_OBJECT_CRTC
);
3578 crtc
= obj_to_crtc(obj
);
3580 if (crtc
->funcs
->gamma_set
== NULL
) {
3585 /* memcpy into gamma store */
3586 if (crtc_lut
->gamma_size
!= crtc
->gamma_size
) {
3591 size
= crtc_lut
->gamma_size
* (sizeof(uint16_t));
3592 r_base
= crtc
->gamma_store
;
3593 if (copy_from_user(r_base
, (void __user
*)(unsigned long)crtc_lut
->red
, size
)) {
3598 g_base
= r_base
+ size
;
3599 if (copy_from_user(g_base
, (void __user
*)(unsigned long)crtc_lut
->green
, size
)) {
3604 b_base
= g_base
+ size
;
3605 if (copy_from_user(b_base
, (void __user
*)(unsigned long)crtc_lut
->blue
, size
)) {
3610 crtc
->funcs
->gamma_set(crtc
, r_base
, g_base
, b_base
, 0, crtc
->gamma_size
);
3613 drm_modeset_unlock_all(dev
);
3618 int drm_mode_gamma_get_ioctl(struct drm_device
*dev
,
3619 void *data
, struct drm_file
*file_priv
)
3621 struct drm_mode_crtc_lut
*crtc_lut
= data
;
3622 struct drm_mode_object
*obj
;
3623 struct drm_crtc
*crtc
;
3624 void *r_base
, *g_base
, *b_base
;
3628 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
3631 drm_modeset_lock_all(dev
);
3632 obj
= drm_mode_object_find(dev
, crtc_lut
->crtc_id
, DRM_MODE_OBJECT_CRTC
);
3637 crtc
= obj_to_crtc(obj
);
3639 /* memcpy into gamma store */
3640 if (crtc_lut
->gamma_size
!= crtc
->gamma_size
) {
3645 size
= crtc_lut
->gamma_size
* (sizeof(uint16_t));
3646 r_base
= crtc
->gamma_store
;
3647 if (copy_to_user((void __user
*)(unsigned long)crtc_lut
->red
, r_base
, size
)) {
3652 g_base
= r_base
+ size
;
3653 if (copy_to_user((void __user
*)(unsigned long)crtc_lut
->green
, g_base
, size
)) {
3658 b_base
= g_base
+ size
;
3659 if (copy_to_user((void __user
*)(unsigned long)crtc_lut
->blue
, b_base
, size
)) {
3664 drm_modeset_unlock_all(dev
);
3668 int drm_mode_page_flip_ioctl(struct drm_device
*dev
,
3669 void *data
, struct drm_file
*file_priv
)
3671 struct drm_mode_crtc_page_flip
*page_flip
= data
;
3672 struct drm_mode_object
*obj
;
3673 struct drm_crtc
*crtc
;
3674 struct drm_framebuffer
*fb
= NULL
, *old_fb
= NULL
;
3675 struct drm_pending_vblank_event
*e
= NULL
;
3676 unsigned long flags
;
3677 int hdisplay
, vdisplay
;
3680 if (page_flip
->flags
& ~DRM_MODE_PAGE_FLIP_FLAGS
||
3681 page_flip
->reserved
!= 0)
3684 drm_modeset_lock_all(dev
);
3685 obj
= drm_mode_object_find(dev
, page_flip
->crtc_id
, DRM_MODE_OBJECT_CRTC
);
3688 crtc
= obj_to_crtc(obj
);
3690 if (crtc
->fb
== NULL
) {
3691 /* The framebuffer is currently unbound, presumably
3692 * due to a hotplug event, that userspace has not
3699 if (crtc
->funcs
->page_flip
== NULL
)
3702 fb
= drm_framebuffer_lookup(dev
, page_flip
->fb_id
);
3706 hdisplay
= crtc
->mode
.hdisplay
;
3707 vdisplay
= crtc
->mode
.vdisplay
;
3709 if (crtc
->invert_dimensions
)
3710 swap(hdisplay
, vdisplay
);
3712 if (hdisplay
> fb
->width
||
3713 vdisplay
> fb
->height
||
3714 crtc
->x
> fb
->width
- hdisplay
||
3715 crtc
->y
> fb
->height
- vdisplay
) {
3716 DRM_DEBUG_KMS("Invalid fb size %ux%u for CRTC viewport %ux%u+%d+%d%s.\n",
3717 fb
->width
, fb
->height
, hdisplay
, vdisplay
, crtc
->x
, crtc
->y
,
3718 crtc
->invert_dimensions
? " (inverted)" : "");
3723 if (page_flip
->flags
& DRM_MODE_PAGE_FLIP_EVENT
) {
3725 spin_lock_irqsave(&dev
->event_lock
, flags
);
3726 if (file_priv
->event_space
< sizeof e
->event
) {
3727 spin_unlock_irqrestore(&dev
->event_lock
, flags
);
3730 file_priv
->event_space
-= sizeof e
->event
;
3731 spin_unlock_irqrestore(&dev
->event_lock
, flags
);
3733 e
= kzalloc(sizeof *e
, GFP_KERNEL
);
3735 spin_lock_irqsave(&dev
->event_lock
, flags
);
3736 file_priv
->event_space
+= sizeof e
->event
;
3737 spin_unlock_irqrestore(&dev
->event_lock
, flags
);
3741 e
->event
.base
.type
= DRM_EVENT_FLIP_COMPLETE
;
3742 e
->event
.base
.length
= sizeof e
->event
;
3743 e
->event
.user_data
= page_flip
->user_data
;
3744 e
->base
.event
= &e
->event
.base
;
3745 e
->base
.file_priv
= file_priv
;
3747 (void (*) (struct drm_pending_event
*)) kfree
;
3751 ret
= crtc
->funcs
->page_flip(crtc
, fb
, e
);
3753 if (page_flip
->flags
& DRM_MODE_PAGE_FLIP_EVENT
) {
3754 spin_lock_irqsave(&dev
->event_lock
, flags
);
3755 file_priv
->event_space
+= sizeof e
->event
;
3756 spin_unlock_irqrestore(&dev
->event_lock
, flags
);
3759 /* Keep the old fb, don't unref it. */
3762 /* Unref only the old framebuffer. */
3768 drm_framebuffer_unreference(fb
);
3770 drm_framebuffer_unreference(old_fb
);
3771 drm_modeset_unlock_all(dev
);
3775 void drm_mode_config_reset(struct drm_device
*dev
)
3777 struct drm_crtc
*crtc
;
3778 struct drm_encoder
*encoder
;
3779 struct drm_connector
*connector
;
3781 list_for_each_entry(crtc
, &dev
->mode_config
.crtc_list
, head
)
3782 if (crtc
->funcs
->reset
)
3783 crtc
->funcs
->reset(crtc
);
3785 list_for_each_entry(encoder
, &dev
->mode_config
.encoder_list
, head
)
3786 if (encoder
->funcs
->reset
)
3787 encoder
->funcs
->reset(encoder
);
3789 list_for_each_entry(connector
, &dev
->mode_config
.connector_list
, head
) {
3790 connector
->status
= connector_status_unknown
;
3792 if (connector
->funcs
->reset
)
3793 connector
->funcs
->reset(connector
);
3796 EXPORT_SYMBOL(drm_mode_config_reset
);
3798 int drm_mode_create_dumb_ioctl(struct drm_device
*dev
,
3799 void *data
, struct drm_file
*file_priv
)
3801 struct drm_mode_create_dumb
*args
= data
;
3803 if (!dev
->driver
->dumb_create
)
3805 return dev
->driver
->dumb_create(file_priv
, dev
, args
);
3808 int drm_mode_mmap_dumb_ioctl(struct drm_device
*dev
,
3809 void *data
, struct drm_file
*file_priv
)
3811 struct drm_mode_map_dumb
*args
= data
;
3813 /* call driver ioctl to get mmap offset */
3814 if (!dev
->driver
->dumb_map_offset
)
3817 return dev
->driver
->dumb_map_offset(file_priv
, dev
, args
->handle
, &args
->offset
);
3820 int drm_mode_destroy_dumb_ioctl(struct drm_device
*dev
,
3821 void *data
, struct drm_file
*file_priv
)
3823 struct drm_mode_destroy_dumb
*args
= data
;
3825 if (!dev
->driver
->dumb_destroy
)
3828 return dev
->driver
->dumb_destroy(file_priv
, dev
, args
->handle
);
3832 * Just need to support RGB formats here for compat with code that doesn't
3833 * use pixel formats directly yet.
3835 void drm_fb_get_bpp_depth(uint32_t format
, unsigned int *depth
,
3839 case DRM_FORMAT_RGB332
:
3840 case DRM_FORMAT_BGR233
:
3844 case DRM_FORMAT_XRGB1555
:
3845 case DRM_FORMAT_XBGR1555
:
3846 case DRM_FORMAT_RGBX5551
:
3847 case DRM_FORMAT_BGRX5551
:
3848 case DRM_FORMAT_ARGB1555
:
3849 case DRM_FORMAT_ABGR1555
:
3850 case DRM_FORMAT_RGBA5551
:
3851 case DRM_FORMAT_BGRA5551
:
3855 case DRM_FORMAT_RGB565
:
3856 case DRM_FORMAT_BGR565
:
3860 case DRM_FORMAT_RGB888
:
3861 case DRM_FORMAT_BGR888
:
3865 case DRM_FORMAT_XRGB8888
:
3866 case DRM_FORMAT_XBGR8888
:
3867 case DRM_FORMAT_RGBX8888
:
3868 case DRM_FORMAT_BGRX8888
:
3872 case DRM_FORMAT_XRGB2101010
:
3873 case DRM_FORMAT_XBGR2101010
:
3874 case DRM_FORMAT_RGBX1010102
:
3875 case DRM_FORMAT_BGRX1010102
:
3876 case DRM_FORMAT_ARGB2101010
:
3877 case DRM_FORMAT_ABGR2101010
:
3878 case DRM_FORMAT_RGBA1010102
:
3879 case DRM_FORMAT_BGRA1010102
:
3883 case DRM_FORMAT_ARGB8888
:
3884 case DRM_FORMAT_ABGR8888
:
3885 case DRM_FORMAT_RGBA8888
:
3886 case DRM_FORMAT_BGRA8888
:
3891 DRM_DEBUG_KMS("unsupported pixel format\n");
3897 EXPORT_SYMBOL(drm_fb_get_bpp_depth
);
3900 * drm_format_num_planes - get the number of planes for format
3901 * @format: pixel format (DRM_FORMAT_*)
3904 * The number of planes used by the specified pixel format.
3906 int drm_format_num_planes(uint32_t format
)
3909 case DRM_FORMAT_YUV410
:
3910 case DRM_FORMAT_YVU410
:
3911 case DRM_FORMAT_YUV411
:
3912 case DRM_FORMAT_YVU411
:
3913 case DRM_FORMAT_YUV420
:
3914 case DRM_FORMAT_YVU420
:
3915 case DRM_FORMAT_YUV422
:
3916 case DRM_FORMAT_YVU422
:
3917 case DRM_FORMAT_YUV444
:
3918 case DRM_FORMAT_YVU444
:
3920 case DRM_FORMAT_NV12
:
3921 case DRM_FORMAT_NV21
:
3922 case DRM_FORMAT_NV16
:
3923 case DRM_FORMAT_NV61
:
3924 case DRM_FORMAT_NV24
:
3925 case DRM_FORMAT_NV42
:
3931 EXPORT_SYMBOL(drm_format_num_planes
);
3934 * drm_format_plane_cpp - determine the bytes per pixel value
3935 * @format: pixel format (DRM_FORMAT_*)
3936 * @plane: plane index
3939 * The bytes per pixel value for the specified plane.
3941 int drm_format_plane_cpp(uint32_t format
, int plane
)
3946 if (plane
>= drm_format_num_planes(format
))
3950 case DRM_FORMAT_YUYV
:
3951 case DRM_FORMAT_YVYU
:
3952 case DRM_FORMAT_UYVY
:
3953 case DRM_FORMAT_VYUY
:
3955 case DRM_FORMAT_NV12
:
3956 case DRM_FORMAT_NV21
:
3957 case DRM_FORMAT_NV16
:
3958 case DRM_FORMAT_NV61
:
3959 case DRM_FORMAT_NV24
:
3960 case DRM_FORMAT_NV42
:
3961 return plane
? 2 : 1;
3962 case DRM_FORMAT_YUV410
:
3963 case DRM_FORMAT_YVU410
:
3964 case DRM_FORMAT_YUV411
:
3965 case DRM_FORMAT_YVU411
:
3966 case DRM_FORMAT_YUV420
:
3967 case DRM_FORMAT_YVU420
:
3968 case DRM_FORMAT_YUV422
:
3969 case DRM_FORMAT_YVU422
:
3970 case DRM_FORMAT_YUV444
:
3971 case DRM_FORMAT_YVU444
:
3974 drm_fb_get_bpp_depth(format
, &depth
, &bpp
);
3978 EXPORT_SYMBOL(drm_format_plane_cpp
);
3981 * drm_format_horz_chroma_subsampling - get the horizontal chroma subsampling factor
3982 * @format: pixel format (DRM_FORMAT_*)
3985 * The horizontal chroma subsampling factor for the
3986 * specified pixel format.
3988 int drm_format_horz_chroma_subsampling(uint32_t format
)
3991 case DRM_FORMAT_YUV411
:
3992 case DRM_FORMAT_YVU411
:
3993 case DRM_FORMAT_YUV410
:
3994 case DRM_FORMAT_YVU410
:
3996 case DRM_FORMAT_YUYV
:
3997 case DRM_FORMAT_YVYU
:
3998 case DRM_FORMAT_UYVY
:
3999 case DRM_FORMAT_VYUY
:
4000 case DRM_FORMAT_NV12
:
4001 case DRM_FORMAT_NV21
:
4002 case DRM_FORMAT_NV16
:
4003 case DRM_FORMAT_NV61
:
4004 case DRM_FORMAT_YUV422
:
4005 case DRM_FORMAT_YVU422
:
4006 case DRM_FORMAT_YUV420
:
4007 case DRM_FORMAT_YVU420
:
4013 EXPORT_SYMBOL(drm_format_horz_chroma_subsampling
);
4016 * drm_format_vert_chroma_subsampling - get the vertical chroma subsampling factor
4017 * @format: pixel format (DRM_FORMAT_*)
4020 * The vertical chroma subsampling factor for the
4021 * specified pixel format.
4023 int drm_format_vert_chroma_subsampling(uint32_t format
)
4026 case DRM_FORMAT_YUV410
:
4027 case DRM_FORMAT_YVU410
:
4029 case DRM_FORMAT_YUV420
:
4030 case DRM_FORMAT_YVU420
:
4031 case DRM_FORMAT_NV12
:
4032 case DRM_FORMAT_NV21
:
4038 EXPORT_SYMBOL(drm_format_vert_chroma_subsampling
);