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>
39 #include "drm_fourcc.h"
41 /* Avoid boilerplate. I'm tired of typing. */
42 #define DRM_ENUM_NAME_FN(fnname, list) \
43 char *fnname(int val) \
46 for (i = 0; i < ARRAY_SIZE(list); i++) { \
47 if (list[i].type == val) \
48 return list[i].name; \
56 static struct drm_prop_enum_list drm_dpms_enum_list
[] =
57 { { DRM_MODE_DPMS_ON
, "On" },
58 { DRM_MODE_DPMS_STANDBY
, "Standby" },
59 { DRM_MODE_DPMS_SUSPEND
, "Suspend" },
60 { DRM_MODE_DPMS_OFF
, "Off" }
63 DRM_ENUM_NAME_FN(drm_get_dpms_name
, drm_dpms_enum_list
)
68 static struct drm_prop_enum_list drm_scaling_mode_enum_list
[] =
70 { DRM_MODE_SCALE_NONE
, "None" },
71 { DRM_MODE_SCALE_FULLSCREEN
, "Full" },
72 { DRM_MODE_SCALE_CENTER
, "Center" },
73 { DRM_MODE_SCALE_ASPECT
, "Full aspect" },
76 static struct drm_prop_enum_list drm_dithering_mode_enum_list
[] =
78 { DRM_MODE_DITHERING_OFF
, "Off" },
79 { DRM_MODE_DITHERING_ON
, "On" },
80 { DRM_MODE_DITHERING_AUTO
, "Automatic" },
84 * Non-global properties, but "required" for certain connectors.
86 static struct drm_prop_enum_list drm_dvi_i_select_enum_list
[] =
88 { DRM_MODE_SUBCONNECTOR_Automatic
, "Automatic" }, /* DVI-I and TV-out */
89 { DRM_MODE_SUBCONNECTOR_DVID
, "DVI-D" }, /* DVI-I */
90 { DRM_MODE_SUBCONNECTOR_DVIA
, "DVI-A" }, /* DVI-I */
93 DRM_ENUM_NAME_FN(drm_get_dvi_i_select_name
, drm_dvi_i_select_enum_list
)
95 static struct drm_prop_enum_list drm_dvi_i_subconnector_enum_list
[] =
97 { DRM_MODE_SUBCONNECTOR_Unknown
, "Unknown" }, /* DVI-I and TV-out */
98 { DRM_MODE_SUBCONNECTOR_DVID
, "DVI-D" }, /* DVI-I */
99 { DRM_MODE_SUBCONNECTOR_DVIA
, "DVI-A" }, /* DVI-I */
102 DRM_ENUM_NAME_FN(drm_get_dvi_i_subconnector_name
,
103 drm_dvi_i_subconnector_enum_list
)
105 static struct drm_prop_enum_list drm_tv_select_enum_list
[] =
107 { DRM_MODE_SUBCONNECTOR_Automatic
, "Automatic" }, /* DVI-I and TV-out */
108 { DRM_MODE_SUBCONNECTOR_Composite
, "Composite" }, /* TV-out */
109 { DRM_MODE_SUBCONNECTOR_SVIDEO
, "SVIDEO" }, /* TV-out */
110 { DRM_MODE_SUBCONNECTOR_Component
, "Component" }, /* TV-out */
111 { DRM_MODE_SUBCONNECTOR_SCART
, "SCART" }, /* TV-out */
114 DRM_ENUM_NAME_FN(drm_get_tv_select_name
, drm_tv_select_enum_list
)
116 static struct drm_prop_enum_list drm_tv_subconnector_enum_list
[] =
118 { DRM_MODE_SUBCONNECTOR_Unknown
, "Unknown" }, /* DVI-I and TV-out */
119 { DRM_MODE_SUBCONNECTOR_Composite
, "Composite" }, /* TV-out */
120 { DRM_MODE_SUBCONNECTOR_SVIDEO
, "SVIDEO" }, /* TV-out */
121 { DRM_MODE_SUBCONNECTOR_Component
, "Component" }, /* TV-out */
122 { DRM_MODE_SUBCONNECTOR_SCART
, "SCART" }, /* TV-out */
125 DRM_ENUM_NAME_FN(drm_get_tv_subconnector_name
,
126 drm_tv_subconnector_enum_list
)
128 static struct drm_prop_enum_list drm_dirty_info_enum_list
[] = {
129 { DRM_MODE_DIRTY_OFF
, "Off" },
130 { DRM_MODE_DIRTY_ON
, "On" },
131 { DRM_MODE_DIRTY_ANNOTATE
, "Annotate" },
134 DRM_ENUM_NAME_FN(drm_get_dirty_info_name
,
135 drm_dirty_info_enum_list
)
137 struct drm_conn_prop_enum_list
{
144 * Connector and encoder types.
146 static struct drm_conn_prop_enum_list drm_connector_enum_list
[] =
147 { { DRM_MODE_CONNECTOR_Unknown
, "Unknown", 0 },
148 { DRM_MODE_CONNECTOR_VGA
, "VGA", 0 },
149 { DRM_MODE_CONNECTOR_DVII
, "DVI-I", 0 },
150 { DRM_MODE_CONNECTOR_DVID
, "DVI-D", 0 },
151 { DRM_MODE_CONNECTOR_DVIA
, "DVI-A", 0 },
152 { DRM_MODE_CONNECTOR_Composite
, "Composite", 0 },
153 { DRM_MODE_CONNECTOR_SVIDEO
, "SVIDEO", 0 },
154 { DRM_MODE_CONNECTOR_LVDS
, "LVDS", 0 },
155 { DRM_MODE_CONNECTOR_Component
, "Component", 0 },
156 { DRM_MODE_CONNECTOR_9PinDIN
, "DIN", 0 },
157 { DRM_MODE_CONNECTOR_DisplayPort
, "DP", 0 },
158 { DRM_MODE_CONNECTOR_HDMIA
, "HDMI-A", 0 },
159 { DRM_MODE_CONNECTOR_HDMIB
, "HDMI-B", 0 },
160 { DRM_MODE_CONNECTOR_TV
, "TV", 0 },
161 { DRM_MODE_CONNECTOR_eDP
, "eDP", 0 },
162 { DRM_MODE_CONNECTOR_VIRTUAL
, "Virtual", 0},
165 static struct drm_prop_enum_list drm_encoder_enum_list
[] =
166 { { DRM_MODE_ENCODER_NONE
, "None" },
167 { DRM_MODE_ENCODER_DAC
, "DAC" },
168 { DRM_MODE_ENCODER_TMDS
, "TMDS" },
169 { DRM_MODE_ENCODER_LVDS
, "LVDS" },
170 { DRM_MODE_ENCODER_TVDAC
, "TV" },
171 { DRM_MODE_ENCODER_VIRTUAL
, "Virtual" },
174 char *drm_get_encoder_name(struct drm_encoder
*encoder
)
178 snprintf(buf
, 32, "%s-%d",
179 drm_encoder_enum_list
[encoder
->encoder_type
].name
,
183 EXPORT_SYMBOL(drm_get_encoder_name
);
185 char *drm_get_connector_name(struct drm_connector
*connector
)
189 snprintf(buf
, 32, "%s-%d",
190 drm_connector_enum_list
[connector
->connector_type
].name
,
191 connector
->connector_type_id
);
194 EXPORT_SYMBOL(drm_get_connector_name
);
196 char *drm_get_connector_status_name(enum drm_connector_status status
)
198 if (status
== connector_status_connected
)
200 else if (status
== connector_status_disconnected
)
201 return "disconnected";
207 * drm_mode_object_get - allocate a new identifier
209 * @ptr: object pointer, used to generate unique ID
214 * Create a unique identifier based on @ptr in @dev's identifier space. Used
215 * for tracking modes, CRTCs and connectors.
218 * New unique (relative to other objects in @dev) integer identifier for the
221 static int drm_mode_object_get(struct drm_device
*dev
,
222 struct drm_mode_object
*obj
, uint32_t obj_type
)
228 if (idr_pre_get(&dev
->mode_config
.crtc_idr
, GFP_KERNEL
) == 0) {
229 DRM_ERROR("Ran out memory getting a mode number\n");
233 mutex_lock(&dev
->mode_config
.idr_mutex
);
234 ret
= idr_get_new_above(&dev
->mode_config
.crtc_idr
, obj
, 1, &new_id
);
235 mutex_unlock(&dev
->mode_config
.idr_mutex
);
240 obj
->type
= obj_type
;
245 * drm_mode_object_put - free an identifer
250 * Caller must hold DRM mode_config lock.
252 * Free @id from @dev's unique identifier pool.
254 static void drm_mode_object_put(struct drm_device
*dev
,
255 struct drm_mode_object
*object
)
257 mutex_lock(&dev
->mode_config
.idr_mutex
);
258 idr_remove(&dev
->mode_config
.crtc_idr
, object
->id
);
259 mutex_unlock(&dev
->mode_config
.idr_mutex
);
262 struct drm_mode_object
*drm_mode_object_find(struct drm_device
*dev
,
263 uint32_t id
, uint32_t type
)
265 struct drm_mode_object
*obj
= NULL
;
267 mutex_lock(&dev
->mode_config
.idr_mutex
);
268 obj
= idr_find(&dev
->mode_config
.crtc_idr
, id
);
269 if (!obj
|| (obj
->type
!= type
) || (obj
->id
!= id
))
271 mutex_unlock(&dev
->mode_config
.idr_mutex
);
275 EXPORT_SYMBOL(drm_mode_object_find
);
278 * drm_framebuffer_init - initialize a framebuffer
282 * Caller must hold mode config lock.
284 * Allocates an ID for the framebuffer's parent mode object, sets its mode
285 * functions & device file and adds it to the master fd list.
288 * Zero on success, error code on failure.
290 int drm_framebuffer_init(struct drm_device
*dev
, struct drm_framebuffer
*fb
,
291 const struct drm_framebuffer_funcs
*funcs
)
295 ret
= drm_mode_object_get(dev
, &fb
->base
, DRM_MODE_OBJECT_FB
);
302 dev
->mode_config
.num_fb
++;
303 list_add(&fb
->head
, &dev
->mode_config
.fb_list
);
307 EXPORT_SYMBOL(drm_framebuffer_init
);
310 * drm_framebuffer_cleanup - remove a framebuffer object
311 * @fb: framebuffer to remove
314 * Caller must hold mode config lock.
316 * Scans all the CRTCs in @dev's mode_config. If they're using @fb, removes
317 * it, setting it to NULL.
319 void drm_framebuffer_cleanup(struct drm_framebuffer
*fb
)
321 struct drm_device
*dev
= fb
->dev
;
322 struct drm_crtc
*crtc
;
323 struct drm_plane
*plane
;
324 struct drm_mode_set set
;
327 /* remove from any CRTC */
328 list_for_each_entry(crtc
, &dev
->mode_config
.crtc_list
, head
) {
329 if (crtc
->fb
== fb
) {
330 /* should turn off the crtc */
331 memset(&set
, 0, sizeof(struct drm_mode_set
));
334 ret
= crtc
->funcs
->set_config(&set
);
336 DRM_ERROR("failed to reset crtc %p when fb was deleted\n", crtc
);
340 list_for_each_entry(plane
, &dev
->mode_config
.plane_list
, head
) {
341 if (plane
->fb
== fb
) {
342 /* should turn off the crtc */
343 ret
= plane
->funcs
->disable_plane(plane
);
345 DRM_ERROR("failed to disable plane with busy fb\n");
346 /* disconnect the plane from the fb and crtc: */
352 drm_mode_object_put(dev
, &fb
->base
);
354 dev
->mode_config
.num_fb
--;
356 EXPORT_SYMBOL(drm_framebuffer_cleanup
);
359 * drm_crtc_init - Initialise a new CRTC object
361 * @crtc: CRTC object to init
362 * @funcs: callbacks for the new CRTC
365 * Caller must hold mode config lock.
367 * Inits a new object created as base part of an driver crtc object.
369 void drm_crtc_init(struct drm_device
*dev
, struct drm_crtc
*crtc
,
370 const struct drm_crtc_funcs
*funcs
)
375 mutex_lock(&dev
->mode_config
.mutex
);
376 drm_mode_object_get(dev
, &crtc
->base
, DRM_MODE_OBJECT_CRTC
);
378 list_add_tail(&crtc
->head
, &dev
->mode_config
.crtc_list
);
379 dev
->mode_config
.num_crtc
++;
380 mutex_unlock(&dev
->mode_config
.mutex
);
382 EXPORT_SYMBOL(drm_crtc_init
);
385 * drm_crtc_cleanup - Cleans up the core crtc usage.
386 * @crtc: CRTC to cleanup
389 * Caller must hold mode config lock.
391 * Cleanup @crtc. Removes from drm modesetting space
392 * does NOT free object, caller does that.
394 void drm_crtc_cleanup(struct drm_crtc
*crtc
)
396 struct drm_device
*dev
= crtc
->dev
;
398 if (crtc
->gamma_store
) {
399 kfree(crtc
->gamma_store
);
400 crtc
->gamma_store
= NULL
;
403 drm_mode_object_put(dev
, &crtc
->base
);
404 list_del(&crtc
->head
);
405 dev
->mode_config
.num_crtc
--;
407 EXPORT_SYMBOL(drm_crtc_cleanup
);
410 * drm_mode_probed_add - add a mode to a connector's probed mode list
411 * @connector: connector the new mode
415 * Caller must hold mode config lock.
417 * Add @mode to @connector's mode list for later use.
419 void drm_mode_probed_add(struct drm_connector
*connector
,
420 struct drm_display_mode
*mode
)
422 list_add(&mode
->head
, &connector
->probed_modes
);
424 EXPORT_SYMBOL(drm_mode_probed_add
);
427 * drm_mode_remove - remove and free a mode
428 * @connector: connector list to modify
429 * @mode: mode to remove
432 * Caller must hold mode config lock.
434 * Remove @mode from @connector's mode list, then free it.
436 void drm_mode_remove(struct drm_connector
*connector
,
437 struct drm_display_mode
*mode
)
439 list_del(&mode
->head
);
440 drm_mode_destroy(connector
->dev
, mode
);
442 EXPORT_SYMBOL(drm_mode_remove
);
445 * drm_connector_init - Init a preallocated connector
447 * @connector: the connector to init
448 * @funcs: callbacks for this connector
449 * @name: user visible name of the connector
452 * Takes mode config lock.
454 * Initialises a preallocated connector. Connectors should be
455 * subclassed as part of driver connector objects.
457 void drm_connector_init(struct drm_device
*dev
,
458 struct drm_connector
*connector
,
459 const struct drm_connector_funcs
*funcs
,
462 mutex_lock(&dev
->mode_config
.mutex
);
464 connector
->dev
= dev
;
465 connector
->funcs
= funcs
;
466 drm_mode_object_get(dev
, &connector
->base
, DRM_MODE_OBJECT_CONNECTOR
);
467 connector
->connector_type
= connector_type
;
468 connector
->connector_type_id
=
469 ++drm_connector_enum_list
[connector_type
].count
; /* TODO */
470 INIT_LIST_HEAD(&connector
->user_modes
);
471 INIT_LIST_HEAD(&connector
->probed_modes
);
472 INIT_LIST_HEAD(&connector
->modes
);
473 connector
->edid_blob_ptr
= NULL
;
475 list_add_tail(&connector
->head
, &dev
->mode_config
.connector_list
);
476 dev
->mode_config
.num_connector
++;
478 if (connector_type
!= DRM_MODE_CONNECTOR_VIRTUAL
)
479 drm_connector_attach_property(connector
,
480 dev
->mode_config
.edid_property
,
483 drm_connector_attach_property(connector
,
484 dev
->mode_config
.dpms_property
, 0);
486 mutex_unlock(&dev
->mode_config
.mutex
);
488 EXPORT_SYMBOL(drm_connector_init
);
491 * drm_connector_cleanup - cleans up an initialised connector
492 * @connector: connector to cleanup
495 * Takes mode config lock.
497 * Cleans up the connector but doesn't free the object.
499 void drm_connector_cleanup(struct drm_connector
*connector
)
501 struct drm_device
*dev
= connector
->dev
;
502 struct drm_display_mode
*mode
, *t
;
504 list_for_each_entry_safe(mode
, t
, &connector
->probed_modes
, head
)
505 drm_mode_remove(connector
, mode
);
507 list_for_each_entry_safe(mode
, t
, &connector
->modes
, head
)
508 drm_mode_remove(connector
, mode
);
510 list_for_each_entry_safe(mode
, t
, &connector
->user_modes
, head
)
511 drm_mode_remove(connector
, mode
);
513 mutex_lock(&dev
->mode_config
.mutex
);
514 drm_mode_object_put(dev
, &connector
->base
);
515 list_del(&connector
->head
);
516 dev
->mode_config
.num_connector
--;
517 mutex_unlock(&dev
->mode_config
.mutex
);
519 EXPORT_SYMBOL(drm_connector_cleanup
);
521 void drm_encoder_init(struct drm_device
*dev
,
522 struct drm_encoder
*encoder
,
523 const struct drm_encoder_funcs
*funcs
,
526 mutex_lock(&dev
->mode_config
.mutex
);
530 drm_mode_object_get(dev
, &encoder
->base
, DRM_MODE_OBJECT_ENCODER
);
531 encoder
->encoder_type
= encoder_type
;
532 encoder
->funcs
= funcs
;
534 list_add_tail(&encoder
->head
, &dev
->mode_config
.encoder_list
);
535 dev
->mode_config
.num_encoder
++;
537 mutex_unlock(&dev
->mode_config
.mutex
);
539 EXPORT_SYMBOL(drm_encoder_init
);
541 void drm_encoder_cleanup(struct drm_encoder
*encoder
)
543 struct drm_device
*dev
= encoder
->dev
;
544 mutex_lock(&dev
->mode_config
.mutex
);
545 drm_mode_object_put(dev
, &encoder
->base
);
546 list_del(&encoder
->head
);
547 dev
->mode_config
.num_encoder
--;
548 mutex_unlock(&dev
->mode_config
.mutex
);
550 EXPORT_SYMBOL(drm_encoder_cleanup
);
552 int drm_plane_init(struct drm_device
*dev
, struct drm_plane
*plane
,
553 unsigned long possible_crtcs
,
554 const struct drm_plane_funcs
*funcs
,
555 const uint32_t *formats
, uint32_t format_count
,
558 mutex_lock(&dev
->mode_config
.mutex
);
561 drm_mode_object_get(dev
, &plane
->base
, DRM_MODE_OBJECT_PLANE
);
562 plane
->funcs
= funcs
;
563 plane
->format_types
= kmalloc(sizeof(uint32_t) * format_count
,
565 if (!plane
->format_types
) {
566 DRM_DEBUG_KMS("out of memory when allocating plane\n");
567 drm_mode_object_put(dev
, &plane
->base
);
568 mutex_unlock(&dev
->mode_config
.mutex
);
572 memcpy(plane
->format_types
, formats
, format_count
* sizeof(uint32_t));
573 plane
->format_count
= format_count
;
574 plane
->possible_crtcs
= possible_crtcs
;
576 /* private planes are not exposed to userspace, but depending on
577 * display hardware, might be convenient to allow sharing programming
578 * for the scanout engine with the crtc implementation.
581 list_add_tail(&plane
->head
, &dev
->mode_config
.plane_list
);
582 dev
->mode_config
.num_plane
++;
584 INIT_LIST_HEAD(&plane
->head
);
587 mutex_unlock(&dev
->mode_config
.mutex
);
591 EXPORT_SYMBOL(drm_plane_init
);
593 void drm_plane_cleanup(struct drm_plane
*plane
)
595 struct drm_device
*dev
= plane
->dev
;
597 mutex_lock(&dev
->mode_config
.mutex
);
598 kfree(plane
->format_types
);
599 drm_mode_object_put(dev
, &plane
->base
);
600 /* if not added to a list, it must be a private plane */
601 if (!list_empty(&plane
->head
)) {
602 list_del(&plane
->head
);
603 dev
->mode_config
.num_plane
--;
605 mutex_unlock(&dev
->mode_config
.mutex
);
607 EXPORT_SYMBOL(drm_plane_cleanup
);
610 * drm_mode_create - create a new display mode
614 * Caller must hold DRM mode_config lock.
616 * Create a new drm_display_mode, give it an ID, and return it.
619 * Pointer to new mode on success, NULL on error.
621 struct drm_display_mode
*drm_mode_create(struct drm_device
*dev
)
623 struct drm_display_mode
*nmode
;
625 nmode
= kzalloc(sizeof(struct drm_display_mode
), GFP_KERNEL
);
629 drm_mode_object_get(dev
, &nmode
->base
, DRM_MODE_OBJECT_MODE
);
632 EXPORT_SYMBOL(drm_mode_create
);
635 * drm_mode_destroy - remove a mode
637 * @mode: mode to remove
640 * Caller must hold mode config lock.
642 * Free @mode's unique identifier, then free it.
644 void drm_mode_destroy(struct drm_device
*dev
, struct drm_display_mode
*mode
)
646 drm_mode_object_put(dev
, &mode
->base
);
650 EXPORT_SYMBOL(drm_mode_destroy
);
652 static int drm_mode_create_standard_connector_properties(struct drm_device
*dev
)
654 struct drm_property
*edid
;
655 struct drm_property
*dpms
;
658 * Standard properties (apply to all connectors)
660 edid
= drm_property_create(dev
, DRM_MODE_PROP_BLOB
|
661 DRM_MODE_PROP_IMMUTABLE
,
663 dev
->mode_config
.edid_property
= edid
;
665 dpms
= drm_property_create_enum(dev
, 0,
666 "DPMS", drm_dpms_enum_list
,
667 ARRAY_SIZE(drm_dpms_enum_list
));
668 dev
->mode_config
.dpms_property
= dpms
;
674 * drm_mode_create_dvi_i_properties - create DVI-I specific connector properties
677 * Called by a driver the first time a DVI-I connector is made.
679 int drm_mode_create_dvi_i_properties(struct drm_device
*dev
)
681 struct drm_property
*dvi_i_selector
;
682 struct drm_property
*dvi_i_subconnector
;
684 if (dev
->mode_config
.dvi_i_select_subconnector_property
)
688 drm_property_create_enum(dev
, 0,
689 "select subconnector",
690 drm_dvi_i_select_enum_list
,
691 ARRAY_SIZE(drm_dvi_i_select_enum_list
));
692 dev
->mode_config
.dvi_i_select_subconnector_property
= dvi_i_selector
;
694 dvi_i_subconnector
= drm_property_create_enum(dev
, DRM_MODE_PROP_IMMUTABLE
,
696 drm_dvi_i_subconnector_enum_list
,
697 ARRAY_SIZE(drm_dvi_i_subconnector_enum_list
));
698 dev
->mode_config
.dvi_i_subconnector_property
= dvi_i_subconnector
;
702 EXPORT_SYMBOL(drm_mode_create_dvi_i_properties
);
705 * drm_create_tv_properties - create TV specific connector properties
707 * @num_modes: number of different TV formats (modes) supported
708 * @modes: array of pointers to strings containing name of each format
710 * Called by a driver's TV initialization routine, this function creates
711 * the TV specific connector properties for a given device. Caller is
712 * responsible for allocating a list of format names and passing them to
715 int drm_mode_create_tv_properties(struct drm_device
*dev
, int num_modes
,
718 struct drm_property
*tv_selector
;
719 struct drm_property
*tv_subconnector
;
722 if (dev
->mode_config
.tv_select_subconnector_property
)
726 * Basic connector properties
728 tv_selector
= drm_property_create_enum(dev
, 0,
729 "select subconnector",
730 drm_tv_select_enum_list
,
731 ARRAY_SIZE(drm_tv_select_enum_list
));
732 dev
->mode_config
.tv_select_subconnector_property
= tv_selector
;
735 drm_property_create_enum(dev
, DRM_MODE_PROP_IMMUTABLE
,
737 drm_tv_subconnector_enum_list
,
738 ARRAY_SIZE(drm_tv_subconnector_enum_list
));
739 dev
->mode_config
.tv_subconnector_property
= tv_subconnector
;
742 * Other, TV specific properties: margins & TV modes.
744 dev
->mode_config
.tv_left_margin_property
=
745 drm_property_create_range(dev
, 0, "left margin", 0, 100);
747 dev
->mode_config
.tv_right_margin_property
=
748 drm_property_create_range(dev
, 0, "right margin", 0, 100);
750 dev
->mode_config
.tv_top_margin_property
=
751 drm_property_create_range(dev
, 0, "top margin", 0, 100);
753 dev
->mode_config
.tv_bottom_margin_property
=
754 drm_property_create_range(dev
, 0, "bottom margin", 0, 100);
756 dev
->mode_config
.tv_mode_property
=
757 drm_property_create(dev
, DRM_MODE_PROP_ENUM
,
759 for (i
= 0; i
< num_modes
; i
++)
760 drm_property_add_enum(dev
->mode_config
.tv_mode_property
, i
,
763 dev
->mode_config
.tv_brightness_property
=
764 drm_property_create_range(dev
, 0, "brightness", 0, 100);
766 dev
->mode_config
.tv_contrast_property
=
767 drm_property_create_range(dev
, 0, "contrast", 0, 100);
769 dev
->mode_config
.tv_flicker_reduction_property
=
770 drm_property_create_range(dev
, 0, "flicker reduction", 0, 100);
772 dev
->mode_config
.tv_overscan_property
=
773 drm_property_create_range(dev
, 0, "overscan", 0, 100);
775 dev
->mode_config
.tv_saturation_property
=
776 drm_property_create_range(dev
, 0, "saturation", 0, 100);
778 dev
->mode_config
.tv_hue_property
=
779 drm_property_create_range(dev
, 0, "hue", 0, 100);
783 EXPORT_SYMBOL(drm_mode_create_tv_properties
);
786 * drm_mode_create_scaling_mode_property - create scaling mode property
789 * Called by a driver the first time it's needed, must be attached to desired
792 int drm_mode_create_scaling_mode_property(struct drm_device
*dev
)
794 struct drm_property
*scaling_mode
;
796 if (dev
->mode_config
.scaling_mode_property
)
800 drm_property_create_enum(dev
, 0, "scaling mode",
801 drm_scaling_mode_enum_list
,
802 ARRAY_SIZE(drm_scaling_mode_enum_list
));
804 dev
->mode_config
.scaling_mode_property
= scaling_mode
;
808 EXPORT_SYMBOL(drm_mode_create_scaling_mode_property
);
811 * drm_mode_create_dithering_property - create dithering property
814 * Called by a driver the first time it's needed, must be attached to desired
817 int drm_mode_create_dithering_property(struct drm_device
*dev
)
819 struct drm_property
*dithering_mode
;
821 if (dev
->mode_config
.dithering_mode_property
)
825 drm_property_create_enum(dev
, 0, "dithering",
826 drm_dithering_mode_enum_list
,
827 ARRAY_SIZE(drm_dithering_mode_enum_list
));
828 dev
->mode_config
.dithering_mode_property
= dithering_mode
;
832 EXPORT_SYMBOL(drm_mode_create_dithering_property
);
835 * drm_mode_create_dirty_property - create dirty property
838 * Called by a driver the first time it's needed, must be attached to desired
841 int drm_mode_create_dirty_info_property(struct drm_device
*dev
)
843 struct drm_property
*dirty_info
;
845 if (dev
->mode_config
.dirty_info_property
)
849 drm_property_create_enum(dev
, DRM_MODE_PROP_IMMUTABLE
,
851 drm_dirty_info_enum_list
,
852 ARRAY_SIZE(drm_dirty_info_enum_list
));
853 dev
->mode_config
.dirty_info_property
= dirty_info
;
857 EXPORT_SYMBOL(drm_mode_create_dirty_info_property
);
860 * drm_mode_config_init - initialize DRM mode_configuration structure
864 * None, should happen single threaded at init time.
866 * Initialize @dev's mode_config structure, used for tracking the graphics
867 * configuration of @dev.
869 void drm_mode_config_init(struct drm_device
*dev
)
871 mutex_init(&dev
->mode_config
.mutex
);
872 mutex_init(&dev
->mode_config
.idr_mutex
);
873 INIT_LIST_HEAD(&dev
->mode_config
.fb_list
);
874 INIT_LIST_HEAD(&dev
->mode_config
.crtc_list
);
875 INIT_LIST_HEAD(&dev
->mode_config
.connector_list
);
876 INIT_LIST_HEAD(&dev
->mode_config
.encoder_list
);
877 INIT_LIST_HEAD(&dev
->mode_config
.property_list
);
878 INIT_LIST_HEAD(&dev
->mode_config
.property_blob_list
);
879 INIT_LIST_HEAD(&dev
->mode_config
.plane_list
);
880 idr_init(&dev
->mode_config
.crtc_idr
);
882 mutex_lock(&dev
->mode_config
.mutex
);
883 drm_mode_create_standard_connector_properties(dev
);
884 mutex_unlock(&dev
->mode_config
.mutex
);
886 /* Just to be sure */
887 dev
->mode_config
.num_fb
= 0;
888 dev
->mode_config
.num_connector
= 0;
889 dev
->mode_config
.num_crtc
= 0;
890 dev
->mode_config
.num_encoder
= 0;
892 EXPORT_SYMBOL(drm_mode_config_init
);
894 int drm_mode_group_init(struct drm_device
*dev
, struct drm_mode_group
*group
)
896 uint32_t total_objects
= 0;
898 total_objects
+= dev
->mode_config
.num_crtc
;
899 total_objects
+= dev
->mode_config
.num_connector
;
900 total_objects
+= dev
->mode_config
.num_encoder
;
902 group
->id_list
= kzalloc(total_objects
* sizeof(uint32_t), GFP_KERNEL
);
906 group
->num_crtcs
= 0;
907 group
->num_connectors
= 0;
908 group
->num_encoders
= 0;
912 int drm_mode_group_init_legacy_group(struct drm_device
*dev
,
913 struct drm_mode_group
*group
)
915 struct drm_crtc
*crtc
;
916 struct drm_encoder
*encoder
;
917 struct drm_connector
*connector
;
920 if ((ret
= drm_mode_group_init(dev
, group
)))
923 list_for_each_entry(crtc
, &dev
->mode_config
.crtc_list
, head
)
924 group
->id_list
[group
->num_crtcs
++] = crtc
->base
.id
;
926 list_for_each_entry(encoder
, &dev
->mode_config
.encoder_list
, head
)
927 group
->id_list
[group
->num_crtcs
+ group
->num_encoders
++] =
930 list_for_each_entry(connector
, &dev
->mode_config
.connector_list
, head
)
931 group
->id_list
[group
->num_crtcs
+ group
->num_encoders
+
932 group
->num_connectors
++] = connector
->base
.id
;
938 * drm_mode_config_cleanup - free up DRM mode_config info
942 * Caller must hold mode config lock.
944 * Free up all the connectors and CRTCs associated with this DRM device, then
945 * free up the framebuffers and associated buffer objects.
947 * FIXME: cleanup any dangling user buffer objects too
949 void drm_mode_config_cleanup(struct drm_device
*dev
)
951 struct drm_connector
*connector
, *ot
;
952 struct drm_crtc
*crtc
, *ct
;
953 struct drm_encoder
*encoder
, *enct
;
954 struct drm_framebuffer
*fb
, *fbt
;
955 struct drm_property
*property
, *pt
;
956 struct drm_plane
*plane
, *plt
;
958 list_for_each_entry_safe(encoder
, enct
, &dev
->mode_config
.encoder_list
,
960 encoder
->funcs
->destroy(encoder
);
963 list_for_each_entry_safe(connector
, ot
,
964 &dev
->mode_config
.connector_list
, head
) {
965 connector
->funcs
->destroy(connector
);
968 list_for_each_entry_safe(property
, pt
, &dev
->mode_config
.property_list
,
970 drm_property_destroy(dev
, property
);
973 list_for_each_entry_safe(fb
, fbt
, &dev
->mode_config
.fb_list
, head
) {
974 fb
->funcs
->destroy(fb
);
977 list_for_each_entry_safe(crtc
, ct
, &dev
->mode_config
.crtc_list
, head
) {
978 crtc
->funcs
->destroy(crtc
);
981 list_for_each_entry_safe(plane
, plt
, &dev
->mode_config
.plane_list
,
983 plane
->funcs
->destroy(plane
);
986 idr_remove_all(&dev
->mode_config
.crtc_idr
);
987 idr_destroy(&dev
->mode_config
.crtc_idr
);
989 EXPORT_SYMBOL(drm_mode_config_cleanup
);
992 * drm_crtc_convert_to_umode - convert a drm_display_mode into a modeinfo
993 * @out: drm_mode_modeinfo struct to return to the user
994 * @in: drm_display_mode to use
999 * Convert a drm_display_mode into a drm_mode_modeinfo structure to return to
1002 void drm_crtc_convert_to_umode(struct drm_mode_modeinfo
*out
,
1003 struct drm_display_mode
*in
)
1005 out
->clock
= in
->clock
;
1006 out
->hdisplay
= in
->hdisplay
;
1007 out
->hsync_start
= in
->hsync_start
;
1008 out
->hsync_end
= in
->hsync_end
;
1009 out
->htotal
= in
->htotal
;
1010 out
->hskew
= in
->hskew
;
1011 out
->vdisplay
= in
->vdisplay
;
1012 out
->vsync_start
= in
->vsync_start
;
1013 out
->vsync_end
= in
->vsync_end
;
1014 out
->vtotal
= in
->vtotal
;
1015 out
->vscan
= in
->vscan
;
1016 out
->vrefresh
= in
->vrefresh
;
1017 out
->flags
= in
->flags
;
1018 out
->type
= in
->type
;
1019 strncpy(out
->name
, in
->name
, DRM_DISPLAY_MODE_LEN
);
1020 out
->name
[DRM_DISPLAY_MODE_LEN
-1] = 0;
1024 * drm_crtc_convert_to_umode - convert a modeinfo into a drm_display_mode
1025 * @out: drm_display_mode to return to the user
1026 * @in: drm_mode_modeinfo to use
1031 * Convert a drm_mode_modeinfo into a drm_display_mode structure to return to
1034 void drm_crtc_convert_umode(struct drm_display_mode
*out
,
1035 struct drm_mode_modeinfo
*in
)
1037 out
->clock
= in
->clock
;
1038 out
->hdisplay
= in
->hdisplay
;
1039 out
->hsync_start
= in
->hsync_start
;
1040 out
->hsync_end
= in
->hsync_end
;
1041 out
->htotal
= in
->htotal
;
1042 out
->hskew
= in
->hskew
;
1043 out
->vdisplay
= in
->vdisplay
;
1044 out
->vsync_start
= in
->vsync_start
;
1045 out
->vsync_end
= in
->vsync_end
;
1046 out
->vtotal
= in
->vtotal
;
1047 out
->vscan
= in
->vscan
;
1048 out
->vrefresh
= in
->vrefresh
;
1049 out
->flags
= in
->flags
;
1050 out
->type
= in
->type
;
1051 strncpy(out
->name
, in
->name
, DRM_DISPLAY_MODE_LEN
);
1052 out
->name
[DRM_DISPLAY_MODE_LEN
-1] = 0;
1056 * drm_mode_getresources - get graphics configuration
1057 * @inode: inode from the ioctl
1058 * @filp: file * from the ioctl
1059 * @cmd: cmd from ioctl
1060 * @arg: arg from ioctl
1063 * Takes mode config lock.
1065 * Construct a set of configuration description structures and return
1066 * them to the user, including CRTC, connector and framebuffer configuration.
1068 * Called by the user via ioctl.
1071 * Zero on success, errno on failure.
1073 int drm_mode_getresources(struct drm_device
*dev
, void *data
,
1074 struct drm_file
*file_priv
)
1076 struct drm_mode_card_res
*card_res
= data
;
1077 struct list_head
*lh
;
1078 struct drm_framebuffer
*fb
;
1079 struct drm_connector
*connector
;
1080 struct drm_crtc
*crtc
;
1081 struct drm_encoder
*encoder
;
1083 int connector_count
= 0;
1086 int encoder_count
= 0;
1088 uint32_t __user
*fb_id
;
1089 uint32_t __user
*crtc_id
;
1090 uint32_t __user
*connector_id
;
1091 uint32_t __user
*encoder_id
;
1092 struct drm_mode_group
*mode_group
;
1094 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
1097 mutex_lock(&dev
->mode_config
.mutex
);
1100 * For the non-control nodes we need to limit the list of resources
1101 * by IDs in the group list for this node
1103 list_for_each(lh
, &file_priv
->fbs
)
1106 mode_group
= &file_priv
->master
->minor
->mode_group
;
1107 if (file_priv
->master
->minor
->type
== DRM_MINOR_CONTROL
) {
1109 list_for_each(lh
, &dev
->mode_config
.crtc_list
)
1112 list_for_each(lh
, &dev
->mode_config
.connector_list
)
1115 list_for_each(lh
, &dev
->mode_config
.encoder_list
)
1119 crtc_count
= mode_group
->num_crtcs
;
1120 connector_count
= mode_group
->num_connectors
;
1121 encoder_count
= mode_group
->num_encoders
;
1124 card_res
->max_height
= dev
->mode_config
.max_height
;
1125 card_res
->min_height
= dev
->mode_config
.min_height
;
1126 card_res
->max_width
= dev
->mode_config
.max_width
;
1127 card_res
->min_width
= dev
->mode_config
.min_width
;
1129 /* handle this in 4 parts */
1131 if (card_res
->count_fbs
>= fb_count
) {
1133 fb_id
= (uint32_t __user
*)(unsigned long)card_res
->fb_id_ptr
;
1134 list_for_each_entry(fb
, &file_priv
->fbs
, filp_head
) {
1135 if (put_user(fb
->base
.id
, fb_id
+ copied
)) {
1142 card_res
->count_fbs
= fb_count
;
1145 if (card_res
->count_crtcs
>= crtc_count
) {
1147 crtc_id
= (uint32_t __user
*)(unsigned long)card_res
->crtc_id_ptr
;
1148 if (file_priv
->master
->minor
->type
== DRM_MINOR_CONTROL
) {
1149 list_for_each_entry(crtc
, &dev
->mode_config
.crtc_list
,
1151 DRM_DEBUG_KMS("[CRTC:%d]\n", crtc
->base
.id
);
1152 if (put_user(crtc
->base
.id
, crtc_id
+ copied
)) {
1159 for (i
= 0; i
< mode_group
->num_crtcs
; i
++) {
1160 if (put_user(mode_group
->id_list
[i
],
1161 crtc_id
+ copied
)) {
1169 card_res
->count_crtcs
= crtc_count
;
1172 if (card_res
->count_encoders
>= encoder_count
) {
1174 encoder_id
= (uint32_t __user
*)(unsigned long)card_res
->encoder_id_ptr
;
1175 if (file_priv
->master
->minor
->type
== DRM_MINOR_CONTROL
) {
1176 list_for_each_entry(encoder
,
1177 &dev
->mode_config
.encoder_list
,
1179 DRM_DEBUG_KMS("[ENCODER:%d:%s]\n", encoder
->base
.id
,
1180 drm_get_encoder_name(encoder
));
1181 if (put_user(encoder
->base
.id
, encoder_id
+
1189 for (i
= mode_group
->num_crtcs
; i
< mode_group
->num_crtcs
+ mode_group
->num_encoders
; i
++) {
1190 if (put_user(mode_group
->id_list
[i
],
1191 encoder_id
+ copied
)) {
1200 card_res
->count_encoders
= encoder_count
;
1203 if (card_res
->count_connectors
>= connector_count
) {
1205 connector_id
= (uint32_t __user
*)(unsigned long)card_res
->connector_id_ptr
;
1206 if (file_priv
->master
->minor
->type
== DRM_MINOR_CONTROL
) {
1207 list_for_each_entry(connector
,
1208 &dev
->mode_config
.connector_list
,
1210 DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
1212 drm_get_connector_name(connector
));
1213 if (put_user(connector
->base
.id
,
1214 connector_id
+ copied
)) {
1221 int start
= mode_group
->num_crtcs
+
1222 mode_group
->num_encoders
;
1223 for (i
= start
; i
< start
+ mode_group
->num_connectors
; i
++) {
1224 if (put_user(mode_group
->id_list
[i
],
1225 connector_id
+ copied
)) {
1233 card_res
->count_connectors
= connector_count
;
1235 DRM_DEBUG_KMS("CRTC[%d] CONNECTORS[%d] ENCODERS[%d]\n", card_res
->count_crtcs
,
1236 card_res
->count_connectors
, card_res
->count_encoders
);
1239 mutex_unlock(&dev
->mode_config
.mutex
);
1244 * drm_mode_getcrtc - get CRTC configuration
1245 * @inode: inode from the ioctl
1246 * @filp: file * from the ioctl
1247 * @cmd: cmd from ioctl
1248 * @arg: arg from ioctl
1251 * Takes mode config lock.
1253 * Construct a CRTC configuration structure to return to the user.
1255 * Called by the user via ioctl.
1258 * Zero on success, errno on failure.
1260 int drm_mode_getcrtc(struct drm_device
*dev
,
1261 void *data
, struct drm_file
*file_priv
)
1263 struct drm_mode_crtc
*crtc_resp
= data
;
1264 struct drm_crtc
*crtc
;
1265 struct drm_mode_object
*obj
;
1268 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
1271 mutex_lock(&dev
->mode_config
.mutex
);
1273 obj
= drm_mode_object_find(dev
, crtc_resp
->crtc_id
,
1274 DRM_MODE_OBJECT_CRTC
);
1279 crtc
= obj_to_crtc(obj
);
1281 crtc_resp
->x
= crtc
->x
;
1282 crtc_resp
->y
= crtc
->y
;
1283 crtc_resp
->gamma_size
= crtc
->gamma_size
;
1285 crtc_resp
->fb_id
= crtc
->fb
->base
.id
;
1287 crtc_resp
->fb_id
= 0;
1289 if (crtc
->enabled
) {
1291 drm_crtc_convert_to_umode(&crtc_resp
->mode
, &crtc
->mode
);
1292 crtc_resp
->mode_valid
= 1;
1295 crtc_resp
->mode_valid
= 0;
1299 mutex_unlock(&dev
->mode_config
.mutex
);
1304 * drm_mode_getconnector - get connector configuration
1305 * @inode: inode from the ioctl
1306 * @filp: file * from the ioctl
1307 * @cmd: cmd from ioctl
1308 * @arg: arg from ioctl
1311 * Takes mode config lock.
1313 * Construct a connector configuration structure to return to the user.
1315 * Called by the user via ioctl.
1318 * Zero on success, errno on failure.
1320 int drm_mode_getconnector(struct drm_device
*dev
, void *data
,
1321 struct drm_file
*file_priv
)
1323 struct drm_mode_get_connector
*out_resp
= data
;
1324 struct drm_mode_object
*obj
;
1325 struct drm_connector
*connector
;
1326 struct drm_display_mode
*mode
;
1328 int props_count
= 0;
1329 int encoders_count
= 0;
1333 struct drm_mode_modeinfo u_mode
;
1334 struct drm_mode_modeinfo __user
*mode_ptr
;
1335 uint32_t __user
*prop_ptr
;
1336 uint64_t __user
*prop_values
;
1337 uint32_t __user
*encoder_ptr
;
1339 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
1342 memset(&u_mode
, 0, sizeof(struct drm_mode_modeinfo
));
1344 DRM_DEBUG_KMS("[CONNECTOR:%d:?]\n", out_resp
->connector_id
);
1346 mutex_lock(&dev
->mode_config
.mutex
);
1348 obj
= drm_mode_object_find(dev
, out_resp
->connector_id
,
1349 DRM_MODE_OBJECT_CONNECTOR
);
1354 connector
= obj_to_connector(obj
);
1356 for (i
= 0; i
< DRM_CONNECTOR_MAX_PROPERTY
; i
++) {
1357 if (connector
->property_ids
[i
] != 0) {
1362 for (i
= 0; i
< DRM_CONNECTOR_MAX_ENCODER
; i
++) {
1363 if (connector
->encoder_ids
[i
] != 0) {
1368 if (out_resp
->count_modes
== 0) {
1369 connector
->funcs
->fill_modes(connector
,
1370 dev
->mode_config
.max_width
,
1371 dev
->mode_config
.max_height
);
1374 /* delayed so we get modes regardless of pre-fill_modes state */
1375 list_for_each_entry(mode
, &connector
->modes
, head
)
1378 out_resp
->connector_id
= connector
->base
.id
;
1379 out_resp
->connector_type
= connector
->connector_type
;
1380 out_resp
->connector_type_id
= connector
->connector_type_id
;
1381 out_resp
->mm_width
= connector
->display_info
.width_mm
;
1382 out_resp
->mm_height
= connector
->display_info
.height_mm
;
1383 out_resp
->subpixel
= connector
->display_info
.subpixel_order
;
1384 out_resp
->connection
= connector
->status
;
1385 if (connector
->encoder
)
1386 out_resp
->encoder_id
= connector
->encoder
->base
.id
;
1388 out_resp
->encoder_id
= 0;
1391 * This ioctl is called twice, once to determine how much space is
1392 * needed, and the 2nd time to fill it.
1394 if ((out_resp
->count_modes
>= mode_count
) && mode_count
) {
1396 mode_ptr
= (struct drm_mode_modeinfo __user
*)(unsigned long)out_resp
->modes_ptr
;
1397 list_for_each_entry(mode
, &connector
->modes
, head
) {
1398 drm_crtc_convert_to_umode(&u_mode
, mode
);
1399 if (copy_to_user(mode_ptr
+ copied
,
1400 &u_mode
, sizeof(u_mode
))) {
1407 out_resp
->count_modes
= mode_count
;
1409 if ((out_resp
->count_props
>= props_count
) && props_count
) {
1411 prop_ptr
= (uint32_t __user
*)(unsigned long)(out_resp
->props_ptr
);
1412 prop_values
= (uint64_t __user
*)(unsigned long)(out_resp
->prop_values_ptr
);
1413 for (i
= 0; i
< DRM_CONNECTOR_MAX_PROPERTY
; i
++) {
1414 if (connector
->property_ids
[i
] != 0) {
1415 if (put_user(connector
->property_ids
[i
],
1416 prop_ptr
+ copied
)) {
1421 if (put_user(connector
->property_values
[i
],
1422 prop_values
+ copied
)) {
1430 out_resp
->count_props
= props_count
;
1432 if ((out_resp
->count_encoders
>= encoders_count
) && encoders_count
) {
1434 encoder_ptr
= (uint32_t __user
*)(unsigned long)(out_resp
->encoders_ptr
);
1435 for (i
= 0; i
< DRM_CONNECTOR_MAX_ENCODER
; i
++) {
1436 if (connector
->encoder_ids
[i
] != 0) {
1437 if (put_user(connector
->encoder_ids
[i
],
1438 encoder_ptr
+ copied
)) {
1446 out_resp
->count_encoders
= encoders_count
;
1449 mutex_unlock(&dev
->mode_config
.mutex
);
1453 int drm_mode_getencoder(struct drm_device
*dev
, void *data
,
1454 struct drm_file
*file_priv
)
1456 struct drm_mode_get_encoder
*enc_resp
= data
;
1457 struct drm_mode_object
*obj
;
1458 struct drm_encoder
*encoder
;
1461 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
1464 mutex_lock(&dev
->mode_config
.mutex
);
1465 obj
= drm_mode_object_find(dev
, enc_resp
->encoder_id
,
1466 DRM_MODE_OBJECT_ENCODER
);
1471 encoder
= obj_to_encoder(obj
);
1474 enc_resp
->crtc_id
= encoder
->crtc
->base
.id
;
1476 enc_resp
->crtc_id
= 0;
1477 enc_resp
->encoder_type
= encoder
->encoder_type
;
1478 enc_resp
->encoder_id
= encoder
->base
.id
;
1479 enc_resp
->possible_crtcs
= encoder
->possible_crtcs
;
1480 enc_resp
->possible_clones
= encoder
->possible_clones
;
1483 mutex_unlock(&dev
->mode_config
.mutex
);
1488 * drm_mode_getplane_res - get plane info
1491 * @file_priv: DRM file info
1494 * Takes mode config lock.
1496 * Return an plane count and set of IDs.
1498 int drm_mode_getplane_res(struct drm_device
*dev
, void *data
,
1499 struct drm_file
*file_priv
)
1501 struct drm_mode_get_plane_res
*plane_resp
= data
;
1502 struct drm_mode_config
*config
;
1503 struct drm_plane
*plane
;
1504 uint32_t __user
*plane_ptr
;
1505 int copied
= 0, ret
= 0;
1507 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
1510 mutex_lock(&dev
->mode_config
.mutex
);
1511 config
= &dev
->mode_config
;
1514 * This ioctl is called twice, once to determine how much space is
1515 * needed, and the 2nd time to fill it.
1517 if (config
->num_plane
&&
1518 (plane_resp
->count_planes
>= config
->num_plane
)) {
1519 plane_ptr
= (uint32_t __user
*)(unsigned long)plane_resp
->plane_id_ptr
;
1521 list_for_each_entry(plane
, &config
->plane_list
, head
) {
1522 if (put_user(plane
->base
.id
, plane_ptr
+ copied
)) {
1529 plane_resp
->count_planes
= config
->num_plane
;
1532 mutex_unlock(&dev
->mode_config
.mutex
);
1537 * drm_mode_getplane - get plane info
1540 * @file_priv: DRM file info
1543 * Takes mode config lock.
1545 * Return plane info, including formats supported, gamma size, any
1548 int drm_mode_getplane(struct drm_device
*dev
, void *data
,
1549 struct drm_file
*file_priv
)
1551 struct drm_mode_get_plane
*plane_resp
= data
;
1552 struct drm_mode_object
*obj
;
1553 struct drm_plane
*plane
;
1554 uint32_t __user
*format_ptr
;
1557 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
1560 mutex_lock(&dev
->mode_config
.mutex
);
1561 obj
= drm_mode_object_find(dev
, plane_resp
->plane_id
,
1562 DRM_MODE_OBJECT_PLANE
);
1567 plane
= obj_to_plane(obj
);
1570 plane_resp
->crtc_id
= plane
->crtc
->base
.id
;
1572 plane_resp
->crtc_id
= 0;
1575 plane_resp
->fb_id
= plane
->fb
->base
.id
;
1577 plane_resp
->fb_id
= 0;
1579 plane_resp
->plane_id
= plane
->base
.id
;
1580 plane_resp
->possible_crtcs
= plane
->possible_crtcs
;
1581 plane_resp
->gamma_size
= plane
->gamma_size
;
1584 * This ioctl is called twice, once to determine how much space is
1585 * needed, and the 2nd time to fill it.
1587 if (plane
->format_count
&&
1588 (plane_resp
->count_format_types
>= plane
->format_count
)) {
1589 format_ptr
= (uint32_t __user
*)(unsigned long)plane_resp
->format_type_ptr
;
1590 if (copy_to_user(format_ptr
,
1591 plane
->format_types
,
1592 sizeof(uint32_t) * plane
->format_count
)) {
1597 plane_resp
->count_format_types
= plane
->format_count
;
1600 mutex_unlock(&dev
->mode_config
.mutex
);
1605 * drm_mode_setplane - set up or tear down an plane
1607 * @data: ioctl data*
1608 * @file_prive: DRM file info
1611 * Takes mode config lock.
1613 * Set plane info, including placement, fb, scaling, and other factors.
1614 * Or pass a NULL fb to disable.
1616 int drm_mode_setplane(struct drm_device
*dev
, void *data
,
1617 struct drm_file
*file_priv
)
1619 struct drm_mode_set_plane
*plane_req
= data
;
1620 struct drm_mode_object
*obj
;
1621 struct drm_plane
*plane
;
1622 struct drm_crtc
*crtc
;
1623 struct drm_framebuffer
*fb
;
1625 unsigned int fb_width
, fb_height
;
1628 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
1631 mutex_lock(&dev
->mode_config
.mutex
);
1634 * First, find the plane, crtc, and fb objects. If not available,
1635 * we don't bother to call the driver.
1637 obj
= drm_mode_object_find(dev
, plane_req
->plane_id
,
1638 DRM_MODE_OBJECT_PLANE
);
1640 DRM_DEBUG_KMS("Unknown plane ID %d\n",
1641 plane_req
->plane_id
);
1645 plane
= obj_to_plane(obj
);
1647 /* No fb means shut it down */
1648 if (!plane_req
->fb_id
) {
1649 plane
->funcs
->disable_plane(plane
);
1655 obj
= drm_mode_object_find(dev
, plane_req
->crtc_id
,
1656 DRM_MODE_OBJECT_CRTC
);
1658 DRM_DEBUG_KMS("Unknown crtc ID %d\n",
1659 plane_req
->crtc_id
);
1663 crtc
= obj_to_crtc(obj
);
1665 obj
= drm_mode_object_find(dev
, plane_req
->fb_id
,
1666 DRM_MODE_OBJECT_FB
);
1668 DRM_DEBUG_KMS("Unknown framebuffer ID %d\n",
1673 fb
= obj_to_fb(obj
);
1675 /* Check whether this plane supports the fb pixel format. */
1676 for (i
= 0; i
< plane
->format_count
; i
++)
1677 if (fb
->pixel_format
== plane
->format_types
[i
])
1679 if (i
== plane
->format_count
) {
1680 DRM_DEBUG_KMS("Invalid pixel format 0x%08x\n", fb
->pixel_format
);
1685 fb_width
= fb
->width
<< 16;
1686 fb_height
= fb
->height
<< 16;
1688 /* Make sure source coordinates are inside the fb. */
1689 if (plane_req
->src_w
> fb_width
||
1690 plane_req
->src_x
> fb_width
- plane_req
->src_w
||
1691 plane_req
->src_h
> fb_height
||
1692 plane_req
->src_y
> fb_height
- plane_req
->src_h
) {
1693 DRM_DEBUG_KMS("Invalid source coordinates "
1694 "%u.%06ux%u.%06u+%u.%06u+%u.%06u\n",
1695 plane_req
->src_w
>> 16,
1696 ((plane_req
->src_w
& 0xffff) * 15625) >> 10,
1697 plane_req
->src_h
>> 16,
1698 ((plane_req
->src_h
& 0xffff) * 15625) >> 10,
1699 plane_req
->src_x
>> 16,
1700 ((plane_req
->src_x
& 0xffff) * 15625) >> 10,
1701 plane_req
->src_y
>> 16,
1702 ((plane_req
->src_y
& 0xffff) * 15625) >> 10);
1707 /* Give drivers some help against integer overflows */
1708 if (plane_req
->crtc_w
> INT_MAX
||
1709 plane_req
->crtc_x
> INT_MAX
- (int32_t) plane_req
->crtc_w
||
1710 plane_req
->crtc_h
> INT_MAX
||
1711 plane_req
->crtc_y
> INT_MAX
- (int32_t) plane_req
->crtc_h
) {
1712 DRM_DEBUG_KMS("Invalid CRTC coordinates %ux%u+%d+%d\n",
1713 plane_req
->crtc_w
, plane_req
->crtc_h
,
1714 plane_req
->crtc_x
, plane_req
->crtc_y
);
1719 ret
= plane
->funcs
->update_plane(plane
, crtc
, fb
,
1720 plane_req
->crtc_x
, plane_req
->crtc_y
,
1721 plane_req
->crtc_w
, plane_req
->crtc_h
,
1722 plane_req
->src_x
, plane_req
->src_y
,
1723 plane_req
->src_w
, plane_req
->src_h
);
1730 mutex_unlock(&dev
->mode_config
.mutex
);
1736 * drm_mode_setcrtc - set CRTC configuration
1737 * @inode: inode from the ioctl
1738 * @filp: file * from the ioctl
1739 * @cmd: cmd from ioctl
1740 * @arg: arg from ioctl
1743 * Takes mode config lock.
1745 * Build a new CRTC configuration based on user request.
1747 * Called by the user via ioctl.
1750 * Zero on success, errno on failure.
1752 int drm_mode_setcrtc(struct drm_device
*dev
, void *data
,
1753 struct drm_file
*file_priv
)
1755 struct drm_mode_config
*config
= &dev
->mode_config
;
1756 struct drm_mode_crtc
*crtc_req
= data
;
1757 struct drm_mode_object
*obj
;
1758 struct drm_crtc
*crtc
;
1759 struct drm_connector
**connector_set
= NULL
, *connector
;
1760 struct drm_framebuffer
*fb
= NULL
;
1761 struct drm_display_mode
*mode
= NULL
;
1762 struct drm_mode_set set
;
1763 uint32_t __user
*set_connectors_ptr
;
1767 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
1770 mutex_lock(&dev
->mode_config
.mutex
);
1771 obj
= drm_mode_object_find(dev
, crtc_req
->crtc_id
,
1772 DRM_MODE_OBJECT_CRTC
);
1774 DRM_DEBUG_KMS("Unknown CRTC ID %d\n", crtc_req
->crtc_id
);
1778 crtc
= obj_to_crtc(obj
);
1779 DRM_DEBUG_KMS("[CRTC:%d]\n", crtc
->base
.id
);
1781 if (crtc_req
->mode_valid
) {
1782 /* If we have a mode we need a framebuffer. */
1783 /* If we pass -1, set the mode with the currently bound fb */
1784 if (crtc_req
->fb_id
== -1) {
1786 DRM_DEBUG_KMS("CRTC doesn't have current FB\n");
1792 obj
= drm_mode_object_find(dev
, crtc_req
->fb_id
,
1793 DRM_MODE_OBJECT_FB
);
1795 DRM_DEBUG_KMS("Unknown FB ID%d\n",
1800 fb
= obj_to_fb(obj
);
1803 mode
= drm_mode_create(dev
);
1804 drm_crtc_convert_umode(mode
, &crtc_req
->mode
);
1805 drm_mode_set_crtcinfo(mode
, CRTC_INTERLACE_HALVE_V
);
1808 if (crtc_req
->count_connectors
== 0 && mode
) {
1809 DRM_DEBUG_KMS("Count connectors is 0 but mode set\n");
1814 if (crtc_req
->count_connectors
> 0 && (!mode
|| !fb
)) {
1815 DRM_DEBUG_KMS("Count connectors is %d but no mode or fb set\n",
1816 crtc_req
->count_connectors
);
1821 if (crtc_req
->count_connectors
> 0) {
1824 /* Avoid unbounded kernel memory allocation */
1825 if (crtc_req
->count_connectors
> config
->num_connector
) {
1830 connector_set
= kmalloc(crtc_req
->count_connectors
*
1831 sizeof(struct drm_connector
*),
1833 if (!connector_set
) {
1838 for (i
= 0; i
< crtc_req
->count_connectors
; i
++) {
1839 set_connectors_ptr
= (uint32_t __user
*)(unsigned long)crtc_req
->set_connectors_ptr
;
1840 if (get_user(out_id
, &set_connectors_ptr
[i
])) {
1845 obj
= drm_mode_object_find(dev
, out_id
,
1846 DRM_MODE_OBJECT_CONNECTOR
);
1848 DRM_DEBUG_KMS("Connector id %d unknown\n",
1853 connector
= obj_to_connector(obj
);
1854 DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
1856 drm_get_connector_name(connector
));
1858 connector_set
[i
] = connector
;
1863 set
.x
= crtc_req
->x
;
1864 set
.y
= crtc_req
->y
;
1866 set
.connectors
= connector_set
;
1867 set
.num_connectors
= crtc_req
->count_connectors
;
1869 ret
= crtc
->funcs
->set_config(&set
);
1872 kfree(connector_set
);
1873 mutex_unlock(&dev
->mode_config
.mutex
);
1877 int drm_mode_cursor_ioctl(struct drm_device
*dev
,
1878 void *data
, struct drm_file
*file_priv
)
1880 struct drm_mode_cursor
*req
= data
;
1881 struct drm_mode_object
*obj
;
1882 struct drm_crtc
*crtc
;
1885 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
1891 mutex_lock(&dev
->mode_config
.mutex
);
1892 obj
= drm_mode_object_find(dev
, req
->crtc_id
, DRM_MODE_OBJECT_CRTC
);
1894 DRM_DEBUG_KMS("Unknown CRTC ID %d\n", req
->crtc_id
);
1898 crtc
= obj_to_crtc(obj
);
1900 if (req
->flags
& DRM_MODE_CURSOR_BO
) {
1901 if (!crtc
->funcs
->cursor_set
) {
1905 /* Turns off the cursor if handle is 0 */
1906 ret
= crtc
->funcs
->cursor_set(crtc
, file_priv
, req
->handle
,
1907 req
->width
, req
->height
);
1910 if (req
->flags
& DRM_MODE_CURSOR_MOVE
) {
1911 if (crtc
->funcs
->cursor_move
) {
1912 ret
= crtc
->funcs
->cursor_move(crtc
, req
->x
, req
->y
);
1919 mutex_unlock(&dev
->mode_config
.mutex
);
1923 /* Original addfb only supported RGB formats, so figure out which one */
1924 uint32_t drm_mode_legacy_fb_format(uint32_t bpp
, uint32_t depth
)
1930 fmt
= DRM_FORMAT_RGB332
;
1934 fmt
= DRM_FORMAT_XRGB1555
;
1936 fmt
= DRM_FORMAT_RGB565
;
1939 fmt
= DRM_FORMAT_RGB888
;
1943 fmt
= DRM_FORMAT_XRGB8888
;
1944 else if (depth
== 30)
1945 fmt
= DRM_FORMAT_XRGB2101010
;
1947 fmt
= DRM_FORMAT_ARGB8888
;
1950 DRM_ERROR("bad bpp, assuming x8r8g8b8 pixel format\n");
1951 fmt
= DRM_FORMAT_XRGB8888
;
1957 EXPORT_SYMBOL(drm_mode_legacy_fb_format
);
1960 * drm_mode_addfb - add an FB to the graphics configuration
1961 * @inode: inode from the ioctl
1962 * @filp: file * from the ioctl
1963 * @cmd: cmd from ioctl
1964 * @arg: arg from ioctl
1967 * Takes mode config lock.
1969 * Add a new FB to the specified CRTC, given a user request.
1971 * Called by the user via ioctl.
1974 * Zero on success, errno on failure.
1976 int drm_mode_addfb(struct drm_device
*dev
,
1977 void *data
, struct drm_file
*file_priv
)
1979 struct drm_mode_fb_cmd
*or = data
;
1980 struct drm_mode_fb_cmd2 r
= {};
1981 struct drm_mode_config
*config
= &dev
->mode_config
;
1982 struct drm_framebuffer
*fb
;
1985 /* Use new struct with format internally */
1986 r
.fb_id
= or->fb_id
;
1987 r
.width
= or->width
;
1988 r
.height
= or->height
;
1989 r
.pitches
[0] = or->pitch
;
1990 r
.pixel_format
= drm_mode_legacy_fb_format(or->bpp
, or->depth
);
1991 r
.handles
[0] = or->handle
;
1993 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
1996 if ((config
->min_width
> r
.width
) || (r
.width
> config
->max_width
))
1999 if ((config
->min_height
> r
.height
) || (r
.height
> config
->max_height
))
2002 mutex_lock(&dev
->mode_config
.mutex
);
2004 /* TODO check buffer is sufficiently large */
2005 /* TODO setup destructor callback */
2007 fb
= dev
->mode_config
.funcs
->fb_create(dev
, file_priv
, &r
);
2009 DRM_ERROR("could not create framebuffer\n");
2014 or->fb_id
= fb
->base
.id
;
2015 list_add(&fb
->filp_head
, &file_priv
->fbs
);
2016 DRM_DEBUG_KMS("[FB:%d]\n", fb
->base
.id
);
2019 mutex_unlock(&dev
->mode_config
.mutex
);
2023 static int format_check(struct drm_mode_fb_cmd2
*r
)
2025 uint32_t format
= r
->pixel_format
& ~DRM_FORMAT_BIG_ENDIAN
;
2029 case DRM_FORMAT_RGB332
:
2030 case DRM_FORMAT_BGR233
:
2031 case DRM_FORMAT_XRGB4444
:
2032 case DRM_FORMAT_XBGR4444
:
2033 case DRM_FORMAT_RGBX4444
:
2034 case DRM_FORMAT_BGRX4444
:
2035 case DRM_FORMAT_ARGB4444
:
2036 case DRM_FORMAT_ABGR4444
:
2037 case DRM_FORMAT_RGBA4444
:
2038 case DRM_FORMAT_BGRA4444
:
2039 case DRM_FORMAT_XRGB1555
:
2040 case DRM_FORMAT_XBGR1555
:
2041 case DRM_FORMAT_RGBX5551
:
2042 case DRM_FORMAT_BGRX5551
:
2043 case DRM_FORMAT_ARGB1555
:
2044 case DRM_FORMAT_ABGR1555
:
2045 case DRM_FORMAT_RGBA5551
:
2046 case DRM_FORMAT_BGRA5551
:
2047 case DRM_FORMAT_RGB565
:
2048 case DRM_FORMAT_BGR565
:
2049 case DRM_FORMAT_RGB888
:
2050 case DRM_FORMAT_BGR888
:
2051 case DRM_FORMAT_XRGB8888
:
2052 case DRM_FORMAT_XBGR8888
:
2053 case DRM_FORMAT_RGBX8888
:
2054 case DRM_FORMAT_BGRX8888
:
2055 case DRM_FORMAT_ARGB8888
:
2056 case DRM_FORMAT_ABGR8888
:
2057 case DRM_FORMAT_RGBA8888
:
2058 case DRM_FORMAT_BGRA8888
:
2059 case DRM_FORMAT_XRGB2101010
:
2060 case DRM_FORMAT_XBGR2101010
:
2061 case DRM_FORMAT_RGBX1010102
:
2062 case DRM_FORMAT_BGRX1010102
:
2063 case DRM_FORMAT_ARGB2101010
:
2064 case DRM_FORMAT_ABGR2101010
:
2065 case DRM_FORMAT_RGBA1010102
:
2066 case DRM_FORMAT_BGRA1010102
:
2067 case DRM_FORMAT_YUYV
:
2068 case DRM_FORMAT_YVYU
:
2069 case DRM_FORMAT_UYVY
:
2070 case DRM_FORMAT_VYUY
:
2071 case DRM_FORMAT_AYUV
:
2072 case DRM_FORMAT_NV12
:
2073 case DRM_FORMAT_NV21
:
2074 case DRM_FORMAT_NV16
:
2075 case DRM_FORMAT_NV61
:
2076 case DRM_FORMAT_YUV410
:
2077 case DRM_FORMAT_YVU410
:
2078 case DRM_FORMAT_YUV411
:
2079 case DRM_FORMAT_YVU411
:
2080 case DRM_FORMAT_YUV420
:
2081 case DRM_FORMAT_YVU420
:
2082 case DRM_FORMAT_YUV422
:
2083 case DRM_FORMAT_YVU422
:
2084 case DRM_FORMAT_YUV444
:
2085 case DRM_FORMAT_YVU444
:
2093 * drm_mode_addfb2 - add an FB to the graphics configuration
2094 * @inode: inode from the ioctl
2095 * @filp: file * from the ioctl
2096 * @cmd: cmd from ioctl
2097 * @arg: arg from ioctl
2100 * Takes mode config lock.
2102 * Add a new FB to the specified CRTC, given a user request with format.
2104 * Called by the user via ioctl.
2107 * Zero on success, errno on failure.
2109 int drm_mode_addfb2(struct drm_device
*dev
,
2110 void *data
, struct drm_file
*file_priv
)
2112 struct drm_mode_fb_cmd2
*r
= data
;
2113 struct drm_mode_config
*config
= &dev
->mode_config
;
2114 struct drm_framebuffer
*fb
;
2117 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
2120 if ((config
->min_width
> r
->width
) || (r
->width
> config
->max_width
)) {
2121 DRM_ERROR("bad framebuffer width %d, should be >= %d && <= %d\n",
2122 r
->width
, config
->min_width
, config
->max_width
);
2125 if ((config
->min_height
> r
->height
) || (r
->height
> config
->max_height
)) {
2126 DRM_ERROR("bad framebuffer height %d, should be >= %d && <= %d\n",
2127 r
->height
, config
->min_height
, config
->max_height
);
2131 ret
= format_check(r
);
2133 DRM_ERROR("bad framebuffer format 0x%08x\n", r
->pixel_format
);
2137 mutex_lock(&dev
->mode_config
.mutex
);
2139 fb
= dev
->mode_config
.funcs
->fb_create(dev
, file_priv
, r
);
2141 DRM_ERROR("could not create framebuffer\n");
2146 r
->fb_id
= fb
->base
.id
;
2147 list_add(&fb
->filp_head
, &file_priv
->fbs
);
2148 DRM_DEBUG_KMS("[FB:%d]\n", fb
->base
.id
);
2151 mutex_unlock(&dev
->mode_config
.mutex
);
2156 * drm_mode_rmfb - remove an FB from the configuration
2157 * @inode: inode from the ioctl
2158 * @filp: file * from the ioctl
2159 * @cmd: cmd from ioctl
2160 * @arg: arg from ioctl
2163 * Takes mode config lock.
2165 * Remove the FB specified by the user.
2167 * Called by the user via ioctl.
2170 * Zero on success, errno on failure.
2172 int drm_mode_rmfb(struct drm_device
*dev
,
2173 void *data
, struct drm_file
*file_priv
)
2175 struct drm_mode_object
*obj
;
2176 struct drm_framebuffer
*fb
= NULL
;
2177 struct drm_framebuffer
*fbl
= NULL
;
2178 uint32_t *id
= data
;
2182 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
2185 mutex_lock(&dev
->mode_config
.mutex
);
2186 obj
= drm_mode_object_find(dev
, *id
, DRM_MODE_OBJECT_FB
);
2187 /* TODO check that we really get a framebuffer back. */
2192 fb
= obj_to_fb(obj
);
2194 list_for_each_entry(fbl
, &file_priv
->fbs
, filp_head
)
2203 /* TODO release all crtc connected to the framebuffer */
2204 /* TODO unhock the destructor from the buffer object */
2206 list_del(&fb
->filp_head
);
2207 fb
->funcs
->destroy(fb
);
2210 mutex_unlock(&dev
->mode_config
.mutex
);
2215 * drm_mode_getfb - get FB info
2216 * @inode: inode from the ioctl
2217 * @filp: file * from the ioctl
2218 * @cmd: cmd from ioctl
2219 * @arg: arg from ioctl
2222 * Takes mode config lock.
2224 * Lookup the FB given its ID and return info about it.
2226 * Called by the user via ioctl.
2229 * Zero on success, errno on failure.
2231 int drm_mode_getfb(struct drm_device
*dev
,
2232 void *data
, struct drm_file
*file_priv
)
2234 struct drm_mode_fb_cmd
*r
= data
;
2235 struct drm_mode_object
*obj
;
2236 struct drm_framebuffer
*fb
;
2239 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
2242 mutex_lock(&dev
->mode_config
.mutex
);
2243 obj
= drm_mode_object_find(dev
, r
->fb_id
, DRM_MODE_OBJECT_FB
);
2248 fb
= obj_to_fb(obj
);
2250 r
->height
= fb
->height
;
2251 r
->width
= fb
->width
;
2252 r
->depth
= fb
->depth
;
2253 r
->bpp
= fb
->bits_per_pixel
;
2254 r
->pitch
= fb
->pitches
[0];
2255 fb
->funcs
->create_handle(fb
, file_priv
, &r
->handle
);
2258 mutex_unlock(&dev
->mode_config
.mutex
);
2262 int drm_mode_dirtyfb_ioctl(struct drm_device
*dev
,
2263 void *data
, struct drm_file
*file_priv
)
2265 struct drm_clip_rect __user
*clips_ptr
;
2266 struct drm_clip_rect
*clips
= NULL
;
2267 struct drm_mode_fb_dirty_cmd
*r
= data
;
2268 struct drm_mode_object
*obj
;
2269 struct drm_framebuffer
*fb
;
2274 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
2277 mutex_lock(&dev
->mode_config
.mutex
);
2278 obj
= drm_mode_object_find(dev
, r
->fb_id
, DRM_MODE_OBJECT_FB
);
2283 fb
= obj_to_fb(obj
);
2285 num_clips
= r
->num_clips
;
2286 clips_ptr
= (struct drm_clip_rect __user
*)(unsigned long)r
->clips_ptr
;
2288 if (!num_clips
!= !clips_ptr
) {
2293 flags
= DRM_MODE_FB_DIRTY_FLAGS
& r
->flags
;
2295 /* If userspace annotates copy, clips must come in pairs */
2296 if (flags
& DRM_MODE_FB_DIRTY_ANNOTATE_COPY
&& (num_clips
% 2)) {
2301 if (num_clips
&& clips_ptr
) {
2302 if (num_clips
< 0 || num_clips
> DRM_MODE_FB_DIRTY_MAX_CLIPS
) {
2306 clips
= kzalloc(num_clips
* sizeof(*clips
), GFP_KERNEL
);
2312 ret
= copy_from_user(clips
, clips_ptr
,
2313 num_clips
* sizeof(*clips
));
2320 if (fb
->funcs
->dirty
) {
2321 ret
= fb
->funcs
->dirty(fb
, file_priv
, flags
, r
->color
,
2331 mutex_unlock(&dev
->mode_config
.mutex
);
2337 * drm_fb_release - remove and free the FBs on this file
2338 * @filp: file * from the ioctl
2341 * Takes mode config lock.
2343 * Destroy all the FBs associated with @filp.
2345 * Called by the user via ioctl.
2348 * Zero on success, errno on failure.
2350 void drm_fb_release(struct drm_file
*priv
)
2352 struct drm_device
*dev
= priv
->minor
->dev
;
2353 struct drm_framebuffer
*fb
, *tfb
;
2355 mutex_lock(&dev
->mode_config
.mutex
);
2356 list_for_each_entry_safe(fb
, tfb
, &priv
->fbs
, filp_head
) {
2357 list_del(&fb
->filp_head
);
2358 fb
->funcs
->destroy(fb
);
2360 mutex_unlock(&dev
->mode_config
.mutex
);
2364 * drm_mode_attachmode - add a mode to the user mode list
2366 * @connector: connector to add the mode to
2367 * @mode: mode to add
2369 * Add @mode to @connector's user mode list.
2371 static int drm_mode_attachmode(struct drm_device
*dev
,
2372 struct drm_connector
*connector
,
2373 struct drm_display_mode
*mode
)
2377 list_add_tail(&mode
->head
, &connector
->user_modes
);
2381 int drm_mode_attachmode_crtc(struct drm_device
*dev
, struct drm_crtc
*crtc
,
2382 struct drm_display_mode
*mode
)
2384 struct drm_connector
*connector
;
2386 struct drm_display_mode
*dup_mode
;
2388 list_for_each_entry(connector
, &dev
->mode_config
.connector_list
, head
) {
2389 if (!connector
->encoder
)
2391 if (connector
->encoder
->crtc
== crtc
) {
2393 dup_mode
= drm_mode_duplicate(dev
, mode
);
2396 ret
= drm_mode_attachmode(dev
, connector
, dup_mode
);
2404 EXPORT_SYMBOL(drm_mode_attachmode_crtc
);
2406 static int drm_mode_detachmode(struct drm_device
*dev
,
2407 struct drm_connector
*connector
,
2408 struct drm_display_mode
*mode
)
2412 struct drm_display_mode
*match_mode
, *t
;
2414 list_for_each_entry_safe(match_mode
, t
, &connector
->user_modes
, head
) {
2415 if (drm_mode_equal(match_mode
, mode
)) {
2416 list_del(&match_mode
->head
);
2417 drm_mode_destroy(dev
, match_mode
);
2429 int drm_mode_detachmode_crtc(struct drm_device
*dev
, struct drm_display_mode
*mode
)
2431 struct drm_connector
*connector
;
2433 list_for_each_entry(connector
, &dev
->mode_config
.connector_list
, head
) {
2434 drm_mode_detachmode(dev
, connector
, mode
);
2438 EXPORT_SYMBOL(drm_mode_detachmode_crtc
);
2441 * drm_fb_attachmode - Attach a user mode to an connector
2442 * @inode: inode from the ioctl
2443 * @filp: file * from the ioctl
2444 * @cmd: cmd from ioctl
2445 * @arg: arg from ioctl
2447 * This attaches a user specified mode to an connector.
2448 * Called by the user via ioctl.
2451 * Zero on success, errno on failure.
2453 int drm_mode_attachmode_ioctl(struct drm_device
*dev
,
2454 void *data
, struct drm_file
*file_priv
)
2456 struct drm_mode_mode_cmd
*mode_cmd
= data
;
2457 struct drm_connector
*connector
;
2458 struct drm_display_mode
*mode
;
2459 struct drm_mode_object
*obj
;
2460 struct drm_mode_modeinfo
*umode
= &mode_cmd
->mode
;
2463 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
2466 mutex_lock(&dev
->mode_config
.mutex
);
2468 obj
= drm_mode_object_find(dev
, mode_cmd
->connector_id
, DRM_MODE_OBJECT_CONNECTOR
);
2473 connector
= obj_to_connector(obj
);
2475 mode
= drm_mode_create(dev
);
2481 drm_crtc_convert_umode(mode
, umode
);
2483 ret
= drm_mode_attachmode(dev
, connector
, mode
);
2485 mutex_unlock(&dev
->mode_config
.mutex
);
2491 * drm_fb_detachmode - Detach a user specified mode from an connector
2492 * @inode: inode from the ioctl
2493 * @filp: file * from the ioctl
2494 * @cmd: cmd from ioctl
2495 * @arg: arg from ioctl
2497 * Called by the user via ioctl.
2500 * Zero on success, errno on failure.
2502 int drm_mode_detachmode_ioctl(struct drm_device
*dev
,
2503 void *data
, struct drm_file
*file_priv
)
2505 struct drm_mode_object
*obj
;
2506 struct drm_mode_mode_cmd
*mode_cmd
= data
;
2507 struct drm_connector
*connector
;
2508 struct drm_display_mode mode
;
2509 struct drm_mode_modeinfo
*umode
= &mode_cmd
->mode
;
2512 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
2515 mutex_lock(&dev
->mode_config
.mutex
);
2517 obj
= drm_mode_object_find(dev
, mode_cmd
->connector_id
, DRM_MODE_OBJECT_CONNECTOR
);
2522 connector
= obj_to_connector(obj
);
2524 drm_crtc_convert_umode(&mode
, umode
);
2525 ret
= drm_mode_detachmode(dev
, connector
, &mode
);
2527 mutex_unlock(&dev
->mode_config
.mutex
);
2531 struct drm_property
*drm_property_create(struct drm_device
*dev
, int flags
,
2532 const char *name
, int num_values
)
2534 struct drm_property
*property
= NULL
;
2536 property
= kzalloc(sizeof(struct drm_property
), GFP_KERNEL
);
2541 property
->values
= kzalloc(sizeof(uint64_t)*num_values
, GFP_KERNEL
);
2542 if (!property
->values
)
2546 drm_mode_object_get(dev
, &property
->base
, DRM_MODE_OBJECT_PROPERTY
);
2547 property
->flags
= flags
;
2548 property
->num_values
= num_values
;
2549 INIT_LIST_HEAD(&property
->enum_blob_list
);
2552 strncpy(property
->name
, name
, DRM_PROP_NAME_LEN
);
2553 property
->name
[DRM_PROP_NAME_LEN
-1] = '\0';
2556 list_add_tail(&property
->head
, &dev
->mode_config
.property_list
);
2562 EXPORT_SYMBOL(drm_property_create
);
2564 struct drm_property
*drm_property_create_enum(struct drm_device
*dev
, int flags
,
2566 const struct drm_prop_enum_list
*props
,
2569 struct drm_property
*property
;
2572 flags
|= DRM_MODE_PROP_ENUM
;
2574 property
= drm_property_create(dev
, flags
, name
, num_values
);
2578 for (i
= 0; i
< num_values
; i
++) {
2579 ret
= drm_property_add_enum(property
, i
,
2583 drm_property_destroy(dev
, property
);
2590 EXPORT_SYMBOL(drm_property_create_enum
);
2592 struct drm_property
*drm_property_create_range(struct drm_device
*dev
, int flags
,
2594 uint64_t min
, uint64_t max
)
2596 struct drm_property
*property
;
2598 flags
|= DRM_MODE_PROP_RANGE
;
2600 property
= drm_property_create(dev
, flags
, name
, 2);
2604 property
->values
[0] = min
;
2605 property
->values
[1] = max
;
2609 EXPORT_SYMBOL(drm_property_create_range
);
2611 int drm_property_add_enum(struct drm_property
*property
, int index
,
2612 uint64_t value
, const char *name
)
2614 struct drm_property_enum
*prop_enum
;
2616 if (!(property
->flags
& DRM_MODE_PROP_ENUM
))
2619 if (!list_empty(&property
->enum_blob_list
)) {
2620 list_for_each_entry(prop_enum
, &property
->enum_blob_list
, head
) {
2621 if (prop_enum
->value
== value
) {
2622 strncpy(prop_enum
->name
, name
, DRM_PROP_NAME_LEN
);
2623 prop_enum
->name
[DRM_PROP_NAME_LEN
-1] = '\0';
2629 prop_enum
= kzalloc(sizeof(struct drm_property_enum
), GFP_KERNEL
);
2633 strncpy(prop_enum
->name
, name
, DRM_PROP_NAME_LEN
);
2634 prop_enum
->name
[DRM_PROP_NAME_LEN
-1] = '\0';
2635 prop_enum
->value
= value
;
2637 property
->values
[index
] = value
;
2638 list_add_tail(&prop_enum
->head
, &property
->enum_blob_list
);
2641 EXPORT_SYMBOL(drm_property_add_enum
);
2643 void drm_property_destroy(struct drm_device
*dev
, struct drm_property
*property
)
2645 struct drm_property_enum
*prop_enum
, *pt
;
2647 list_for_each_entry_safe(prop_enum
, pt
, &property
->enum_blob_list
, head
) {
2648 list_del(&prop_enum
->head
);
2652 if (property
->num_values
)
2653 kfree(property
->values
);
2654 drm_mode_object_put(dev
, &property
->base
);
2655 list_del(&property
->head
);
2658 EXPORT_SYMBOL(drm_property_destroy
);
2660 int drm_connector_attach_property(struct drm_connector
*connector
,
2661 struct drm_property
*property
, uint64_t init_val
)
2665 for (i
= 0; i
< DRM_CONNECTOR_MAX_PROPERTY
; i
++) {
2666 if (connector
->property_ids
[i
] == 0) {
2667 connector
->property_ids
[i
] = property
->base
.id
;
2668 connector
->property_values
[i
] = init_val
;
2673 if (i
== DRM_CONNECTOR_MAX_PROPERTY
)
2677 EXPORT_SYMBOL(drm_connector_attach_property
);
2679 int drm_connector_property_set_value(struct drm_connector
*connector
,
2680 struct drm_property
*property
, uint64_t value
)
2684 for (i
= 0; i
< DRM_CONNECTOR_MAX_PROPERTY
; i
++) {
2685 if (connector
->property_ids
[i
] == property
->base
.id
) {
2686 connector
->property_values
[i
] = value
;
2691 if (i
== DRM_CONNECTOR_MAX_PROPERTY
)
2695 EXPORT_SYMBOL(drm_connector_property_set_value
);
2697 int drm_connector_property_get_value(struct drm_connector
*connector
,
2698 struct drm_property
*property
, uint64_t *val
)
2702 for (i
= 0; i
< DRM_CONNECTOR_MAX_PROPERTY
; i
++) {
2703 if (connector
->property_ids
[i
] == property
->base
.id
) {
2704 *val
= connector
->property_values
[i
];
2709 if (i
== DRM_CONNECTOR_MAX_PROPERTY
)
2713 EXPORT_SYMBOL(drm_connector_property_get_value
);
2715 int drm_mode_getproperty_ioctl(struct drm_device
*dev
,
2716 void *data
, struct drm_file
*file_priv
)
2718 struct drm_mode_object
*obj
;
2719 struct drm_mode_get_property
*out_resp
= data
;
2720 struct drm_property
*property
;
2723 int value_count
= 0;
2726 struct drm_property_enum
*prop_enum
;
2727 struct drm_mode_property_enum __user
*enum_ptr
;
2728 struct drm_property_blob
*prop_blob
;
2729 uint32_t __user
*blob_id_ptr
;
2730 uint64_t __user
*values_ptr
;
2731 uint32_t __user
*blob_length_ptr
;
2733 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
2736 mutex_lock(&dev
->mode_config
.mutex
);
2737 obj
= drm_mode_object_find(dev
, out_resp
->prop_id
, DRM_MODE_OBJECT_PROPERTY
);
2742 property
= obj_to_property(obj
);
2744 if (property
->flags
& DRM_MODE_PROP_ENUM
) {
2745 list_for_each_entry(prop_enum
, &property
->enum_blob_list
, head
)
2747 } else if (property
->flags
& DRM_MODE_PROP_BLOB
) {
2748 list_for_each_entry(prop_blob
, &property
->enum_blob_list
, head
)
2752 value_count
= property
->num_values
;
2754 strncpy(out_resp
->name
, property
->name
, DRM_PROP_NAME_LEN
);
2755 out_resp
->name
[DRM_PROP_NAME_LEN
-1] = 0;
2756 out_resp
->flags
= property
->flags
;
2758 if ((out_resp
->count_values
>= value_count
) && value_count
) {
2759 values_ptr
= (uint64_t __user
*)(unsigned long)out_resp
->values_ptr
;
2760 for (i
= 0; i
< value_count
; i
++) {
2761 if (copy_to_user(values_ptr
+ i
, &property
->values
[i
], sizeof(uint64_t))) {
2767 out_resp
->count_values
= value_count
;
2769 if (property
->flags
& DRM_MODE_PROP_ENUM
) {
2770 if ((out_resp
->count_enum_blobs
>= enum_count
) && enum_count
) {
2772 enum_ptr
= (struct drm_mode_property_enum __user
*)(unsigned long)out_resp
->enum_blob_ptr
;
2773 list_for_each_entry(prop_enum
, &property
->enum_blob_list
, head
) {
2775 if (copy_to_user(&enum_ptr
[copied
].value
, &prop_enum
->value
, sizeof(uint64_t))) {
2780 if (copy_to_user(&enum_ptr
[copied
].name
,
2781 &prop_enum
->name
, DRM_PROP_NAME_LEN
)) {
2788 out_resp
->count_enum_blobs
= enum_count
;
2791 if (property
->flags
& DRM_MODE_PROP_BLOB
) {
2792 if ((out_resp
->count_enum_blobs
>= blob_count
) && blob_count
) {
2794 blob_id_ptr
= (uint32_t __user
*)(unsigned long)out_resp
->enum_blob_ptr
;
2795 blob_length_ptr
= (uint32_t __user
*)(unsigned long)out_resp
->values_ptr
;
2797 list_for_each_entry(prop_blob
, &property
->enum_blob_list
, head
) {
2798 if (put_user(prop_blob
->base
.id
, blob_id_ptr
+ copied
)) {
2803 if (put_user(prop_blob
->length
, blob_length_ptr
+ copied
)) {
2811 out_resp
->count_enum_blobs
= blob_count
;
2814 mutex_unlock(&dev
->mode_config
.mutex
);
2818 static struct drm_property_blob
*drm_property_create_blob(struct drm_device
*dev
, int length
,
2821 struct drm_property_blob
*blob
;
2823 if (!length
|| !data
)
2826 blob
= kzalloc(sizeof(struct drm_property_blob
)+length
, GFP_KERNEL
);
2830 blob
->data
= (void *)((char *)blob
+ sizeof(struct drm_property_blob
));
2831 blob
->length
= length
;
2833 memcpy(blob
->data
, data
, length
);
2835 drm_mode_object_get(dev
, &blob
->base
, DRM_MODE_OBJECT_BLOB
);
2837 list_add_tail(&blob
->head
, &dev
->mode_config
.property_blob_list
);
2841 static void drm_property_destroy_blob(struct drm_device
*dev
,
2842 struct drm_property_blob
*blob
)
2844 drm_mode_object_put(dev
, &blob
->base
);
2845 list_del(&blob
->head
);
2849 int drm_mode_getblob_ioctl(struct drm_device
*dev
,
2850 void *data
, struct drm_file
*file_priv
)
2852 struct drm_mode_object
*obj
;
2853 struct drm_mode_get_blob
*out_resp
= data
;
2854 struct drm_property_blob
*blob
;
2856 void __user
*blob_ptr
;
2858 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
2861 mutex_lock(&dev
->mode_config
.mutex
);
2862 obj
= drm_mode_object_find(dev
, out_resp
->blob_id
, DRM_MODE_OBJECT_BLOB
);
2867 blob
= obj_to_blob(obj
);
2869 if (out_resp
->length
== blob
->length
) {
2870 blob_ptr
= (void __user
*)(unsigned long)out_resp
->data
;
2871 if (copy_to_user(blob_ptr
, blob
->data
, blob
->length
)){
2876 out_resp
->length
= blob
->length
;
2879 mutex_unlock(&dev
->mode_config
.mutex
);
2883 int drm_mode_connector_update_edid_property(struct drm_connector
*connector
,
2886 struct drm_device
*dev
= connector
->dev
;
2889 if (connector
->edid_blob_ptr
)
2890 drm_property_destroy_blob(dev
, connector
->edid_blob_ptr
);
2892 /* Delete edid, when there is none. */
2894 connector
->edid_blob_ptr
= NULL
;
2895 ret
= drm_connector_property_set_value(connector
, dev
->mode_config
.edid_property
, 0);
2899 size
= EDID_LENGTH
* (1 + edid
->extensions
);
2900 connector
->edid_blob_ptr
= drm_property_create_blob(connector
->dev
,
2903 ret
= drm_connector_property_set_value(connector
,
2904 dev
->mode_config
.edid_property
,
2905 connector
->edid_blob_ptr
->base
.id
);
2909 EXPORT_SYMBOL(drm_mode_connector_update_edid_property
);
2911 int drm_mode_connector_property_set_ioctl(struct drm_device
*dev
,
2912 void *data
, struct drm_file
*file_priv
)
2914 struct drm_mode_connector_set_property
*out_resp
= data
;
2915 struct drm_mode_object
*obj
;
2916 struct drm_property
*property
;
2917 struct drm_connector
*connector
;
2921 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
2924 mutex_lock(&dev
->mode_config
.mutex
);
2926 obj
= drm_mode_object_find(dev
, out_resp
->connector_id
, DRM_MODE_OBJECT_CONNECTOR
);
2930 connector
= obj_to_connector(obj
);
2932 for (i
= 0; i
< DRM_CONNECTOR_MAX_PROPERTY
; i
++) {
2933 if (connector
->property_ids
[i
] == out_resp
->prop_id
)
2937 if (i
== DRM_CONNECTOR_MAX_PROPERTY
) {
2941 obj
= drm_mode_object_find(dev
, out_resp
->prop_id
, DRM_MODE_OBJECT_PROPERTY
);
2945 property
= obj_to_property(obj
);
2947 if (property
->flags
& DRM_MODE_PROP_IMMUTABLE
)
2950 if (property
->flags
& DRM_MODE_PROP_RANGE
) {
2951 if (out_resp
->value
< property
->values
[0])
2954 if (out_resp
->value
> property
->values
[1])
2958 for (i
= 0; i
< property
->num_values
; i
++) {
2959 if (property
->values
[i
] == out_resp
->value
) {
2969 /* Do DPMS ourselves */
2970 if (property
== connector
->dev
->mode_config
.dpms_property
) {
2971 if (connector
->funcs
->dpms
)
2972 (*connector
->funcs
->dpms
)(connector
, (int) out_resp
->value
);
2974 } else if (connector
->funcs
->set_property
)
2975 ret
= connector
->funcs
->set_property(connector
, property
, out_resp
->value
);
2977 /* store the property value if successful */
2979 drm_connector_property_set_value(connector
, property
, out_resp
->value
);
2981 mutex_unlock(&dev
->mode_config
.mutex
);
2985 int drm_mode_connector_attach_encoder(struct drm_connector
*connector
,
2986 struct drm_encoder
*encoder
)
2990 for (i
= 0; i
< DRM_CONNECTOR_MAX_ENCODER
; i
++) {
2991 if (connector
->encoder_ids
[i
] == 0) {
2992 connector
->encoder_ids
[i
] = encoder
->base
.id
;
2998 EXPORT_SYMBOL(drm_mode_connector_attach_encoder
);
3000 void drm_mode_connector_detach_encoder(struct drm_connector
*connector
,
3001 struct drm_encoder
*encoder
)
3004 for (i
= 0; i
< DRM_CONNECTOR_MAX_ENCODER
; i
++) {
3005 if (connector
->encoder_ids
[i
] == encoder
->base
.id
) {
3006 connector
->encoder_ids
[i
] = 0;
3007 if (connector
->encoder
== encoder
)
3008 connector
->encoder
= NULL
;
3013 EXPORT_SYMBOL(drm_mode_connector_detach_encoder
);
3015 int drm_mode_crtc_set_gamma_size(struct drm_crtc
*crtc
,
3018 crtc
->gamma_size
= gamma_size
;
3020 crtc
->gamma_store
= kzalloc(gamma_size
* sizeof(uint16_t) * 3, GFP_KERNEL
);
3021 if (!crtc
->gamma_store
) {
3022 crtc
->gamma_size
= 0;
3028 EXPORT_SYMBOL(drm_mode_crtc_set_gamma_size
);
3030 int drm_mode_gamma_set_ioctl(struct drm_device
*dev
,
3031 void *data
, struct drm_file
*file_priv
)
3033 struct drm_mode_crtc_lut
*crtc_lut
= data
;
3034 struct drm_mode_object
*obj
;
3035 struct drm_crtc
*crtc
;
3036 void *r_base
, *g_base
, *b_base
;
3040 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
3043 mutex_lock(&dev
->mode_config
.mutex
);
3044 obj
= drm_mode_object_find(dev
, crtc_lut
->crtc_id
, DRM_MODE_OBJECT_CRTC
);
3049 crtc
= obj_to_crtc(obj
);
3051 /* memcpy into gamma store */
3052 if (crtc_lut
->gamma_size
!= crtc
->gamma_size
) {
3057 size
= crtc_lut
->gamma_size
* (sizeof(uint16_t));
3058 r_base
= crtc
->gamma_store
;
3059 if (copy_from_user(r_base
, (void __user
*)(unsigned long)crtc_lut
->red
, size
)) {
3064 g_base
= r_base
+ size
;
3065 if (copy_from_user(g_base
, (void __user
*)(unsigned long)crtc_lut
->green
, size
)) {
3070 b_base
= g_base
+ size
;
3071 if (copy_from_user(b_base
, (void __user
*)(unsigned long)crtc_lut
->blue
, size
)) {
3076 crtc
->funcs
->gamma_set(crtc
, r_base
, g_base
, b_base
, 0, crtc
->gamma_size
);
3079 mutex_unlock(&dev
->mode_config
.mutex
);
3084 int drm_mode_gamma_get_ioctl(struct drm_device
*dev
,
3085 void *data
, struct drm_file
*file_priv
)
3087 struct drm_mode_crtc_lut
*crtc_lut
= data
;
3088 struct drm_mode_object
*obj
;
3089 struct drm_crtc
*crtc
;
3090 void *r_base
, *g_base
, *b_base
;
3094 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
3097 mutex_lock(&dev
->mode_config
.mutex
);
3098 obj
= drm_mode_object_find(dev
, crtc_lut
->crtc_id
, DRM_MODE_OBJECT_CRTC
);
3103 crtc
= obj_to_crtc(obj
);
3105 /* memcpy into gamma store */
3106 if (crtc_lut
->gamma_size
!= crtc
->gamma_size
) {
3111 size
= crtc_lut
->gamma_size
* (sizeof(uint16_t));
3112 r_base
= crtc
->gamma_store
;
3113 if (copy_to_user((void __user
*)(unsigned long)crtc_lut
->red
, r_base
, size
)) {
3118 g_base
= r_base
+ size
;
3119 if (copy_to_user((void __user
*)(unsigned long)crtc_lut
->green
, g_base
, size
)) {
3124 b_base
= g_base
+ size
;
3125 if (copy_to_user((void __user
*)(unsigned long)crtc_lut
->blue
, b_base
, size
)) {
3130 mutex_unlock(&dev
->mode_config
.mutex
);
3134 int drm_mode_page_flip_ioctl(struct drm_device
*dev
,
3135 void *data
, struct drm_file
*file_priv
)
3137 struct drm_mode_crtc_page_flip
*page_flip
= data
;
3138 struct drm_mode_object
*obj
;
3139 struct drm_crtc
*crtc
;
3140 struct drm_framebuffer
*fb
;
3141 struct drm_pending_vblank_event
*e
= NULL
;
3142 unsigned long flags
;
3145 if (page_flip
->flags
& ~DRM_MODE_PAGE_FLIP_FLAGS
||
3146 page_flip
->reserved
!= 0)
3149 mutex_lock(&dev
->mode_config
.mutex
);
3150 obj
= drm_mode_object_find(dev
, page_flip
->crtc_id
, DRM_MODE_OBJECT_CRTC
);
3153 crtc
= obj_to_crtc(obj
);
3155 if (crtc
->fb
== NULL
) {
3156 /* The framebuffer is currently unbound, presumably
3157 * due to a hotplug event, that userspace has not
3164 if (crtc
->funcs
->page_flip
== NULL
)
3167 obj
= drm_mode_object_find(dev
, page_flip
->fb_id
, DRM_MODE_OBJECT_FB
);
3170 fb
= obj_to_fb(obj
);
3172 if (page_flip
->flags
& DRM_MODE_PAGE_FLIP_EVENT
) {
3174 spin_lock_irqsave(&dev
->event_lock
, flags
);
3175 if (file_priv
->event_space
< sizeof e
->event
) {
3176 spin_unlock_irqrestore(&dev
->event_lock
, flags
);
3179 file_priv
->event_space
-= sizeof e
->event
;
3180 spin_unlock_irqrestore(&dev
->event_lock
, flags
);
3182 e
= kzalloc(sizeof *e
, GFP_KERNEL
);
3184 spin_lock_irqsave(&dev
->event_lock
, flags
);
3185 file_priv
->event_space
+= sizeof e
->event
;
3186 spin_unlock_irqrestore(&dev
->event_lock
, flags
);
3190 e
->event
.base
.type
= DRM_EVENT_FLIP_COMPLETE
;
3191 e
->event
.base
.length
= sizeof e
->event
;
3192 e
->event
.user_data
= page_flip
->user_data
;
3193 e
->base
.event
= &e
->event
.base
;
3194 e
->base
.file_priv
= file_priv
;
3196 (void (*) (struct drm_pending_event
*)) kfree
;
3199 ret
= crtc
->funcs
->page_flip(crtc
, fb
, e
);
3201 spin_lock_irqsave(&dev
->event_lock
, flags
);
3202 file_priv
->event_space
+= sizeof e
->event
;
3203 spin_unlock_irqrestore(&dev
->event_lock
, flags
);
3208 mutex_unlock(&dev
->mode_config
.mutex
);
3212 void drm_mode_config_reset(struct drm_device
*dev
)
3214 struct drm_crtc
*crtc
;
3215 struct drm_encoder
*encoder
;
3216 struct drm_connector
*connector
;
3218 list_for_each_entry(crtc
, &dev
->mode_config
.crtc_list
, head
)
3219 if (crtc
->funcs
->reset
)
3220 crtc
->funcs
->reset(crtc
);
3222 list_for_each_entry(encoder
, &dev
->mode_config
.encoder_list
, head
)
3223 if (encoder
->funcs
->reset
)
3224 encoder
->funcs
->reset(encoder
);
3226 list_for_each_entry(connector
, &dev
->mode_config
.connector_list
, head
)
3227 if (connector
->funcs
->reset
)
3228 connector
->funcs
->reset(connector
);
3230 EXPORT_SYMBOL(drm_mode_config_reset
);
3232 int drm_mode_create_dumb_ioctl(struct drm_device
*dev
,
3233 void *data
, struct drm_file
*file_priv
)
3235 struct drm_mode_create_dumb
*args
= data
;
3237 if (!dev
->driver
->dumb_create
)
3239 return dev
->driver
->dumb_create(file_priv
, dev
, args
);
3242 int drm_mode_mmap_dumb_ioctl(struct drm_device
*dev
,
3243 void *data
, struct drm_file
*file_priv
)
3245 struct drm_mode_map_dumb
*args
= data
;
3247 /* call driver ioctl to get mmap offset */
3248 if (!dev
->driver
->dumb_map_offset
)
3251 return dev
->driver
->dumb_map_offset(file_priv
, dev
, args
->handle
, &args
->offset
);
3254 int drm_mode_destroy_dumb_ioctl(struct drm_device
*dev
,
3255 void *data
, struct drm_file
*file_priv
)
3257 struct drm_mode_destroy_dumb
*args
= data
;
3259 if (!dev
->driver
->dumb_destroy
)
3262 return dev
->driver
->dumb_destroy(file_priv
, dev
, args
->handle
);
3266 * Just need to support RGB formats here for compat with code that doesn't
3267 * use pixel formats directly yet.
3269 void drm_fb_get_bpp_depth(uint32_t format
, unsigned int *depth
,
3273 case DRM_FORMAT_RGB332
:
3274 case DRM_FORMAT_BGR233
:
3278 case DRM_FORMAT_XRGB1555
:
3279 case DRM_FORMAT_XBGR1555
:
3280 case DRM_FORMAT_RGBX5551
:
3281 case DRM_FORMAT_BGRX5551
:
3282 case DRM_FORMAT_ARGB1555
:
3283 case DRM_FORMAT_ABGR1555
:
3284 case DRM_FORMAT_RGBA5551
:
3285 case DRM_FORMAT_BGRA5551
:
3289 case DRM_FORMAT_RGB565
:
3290 case DRM_FORMAT_BGR565
:
3294 case DRM_FORMAT_RGB888
:
3295 case DRM_FORMAT_BGR888
:
3299 case DRM_FORMAT_XRGB8888
:
3300 case DRM_FORMAT_XBGR8888
:
3301 case DRM_FORMAT_RGBX8888
:
3302 case DRM_FORMAT_BGRX8888
:
3306 case DRM_FORMAT_XRGB2101010
:
3307 case DRM_FORMAT_XBGR2101010
:
3308 case DRM_FORMAT_RGBX1010102
:
3309 case DRM_FORMAT_BGRX1010102
:
3310 case DRM_FORMAT_ARGB2101010
:
3311 case DRM_FORMAT_ABGR2101010
:
3312 case DRM_FORMAT_RGBA1010102
:
3313 case DRM_FORMAT_BGRA1010102
:
3317 case DRM_FORMAT_ARGB8888
:
3318 case DRM_FORMAT_ABGR8888
:
3319 case DRM_FORMAT_RGBA8888
:
3320 case DRM_FORMAT_BGRA8888
:
3325 DRM_DEBUG_KMS("unsupported pixel format\n");
3331 EXPORT_SYMBOL(drm_fb_get_bpp_depth
);