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
)
649 drm_mode_object_put(dev
, &mode
->base
);
653 EXPORT_SYMBOL(drm_mode_destroy
);
655 static int drm_mode_create_standard_connector_properties(struct drm_device
*dev
)
657 struct drm_property
*edid
;
658 struct drm_property
*dpms
;
661 * Standard properties (apply to all connectors)
663 edid
= drm_property_create(dev
, DRM_MODE_PROP_BLOB
|
664 DRM_MODE_PROP_IMMUTABLE
,
666 dev
->mode_config
.edid_property
= edid
;
668 dpms
= drm_property_create_enum(dev
, 0,
669 "DPMS", drm_dpms_enum_list
,
670 ARRAY_SIZE(drm_dpms_enum_list
));
671 dev
->mode_config
.dpms_property
= dpms
;
677 * drm_mode_create_dvi_i_properties - create DVI-I specific connector properties
680 * Called by a driver the first time a DVI-I connector is made.
682 int drm_mode_create_dvi_i_properties(struct drm_device
*dev
)
684 struct drm_property
*dvi_i_selector
;
685 struct drm_property
*dvi_i_subconnector
;
687 if (dev
->mode_config
.dvi_i_select_subconnector_property
)
691 drm_property_create_enum(dev
, 0,
692 "select subconnector",
693 drm_dvi_i_select_enum_list
,
694 ARRAY_SIZE(drm_dvi_i_select_enum_list
));
695 dev
->mode_config
.dvi_i_select_subconnector_property
= dvi_i_selector
;
697 dvi_i_subconnector
= drm_property_create_enum(dev
, DRM_MODE_PROP_IMMUTABLE
,
699 drm_dvi_i_subconnector_enum_list
,
700 ARRAY_SIZE(drm_dvi_i_subconnector_enum_list
));
701 dev
->mode_config
.dvi_i_subconnector_property
= dvi_i_subconnector
;
705 EXPORT_SYMBOL(drm_mode_create_dvi_i_properties
);
708 * drm_create_tv_properties - create TV specific connector properties
710 * @num_modes: number of different TV formats (modes) supported
711 * @modes: array of pointers to strings containing name of each format
713 * Called by a driver's TV initialization routine, this function creates
714 * the TV specific connector properties for a given device. Caller is
715 * responsible for allocating a list of format names and passing them to
718 int drm_mode_create_tv_properties(struct drm_device
*dev
, int num_modes
,
721 struct drm_property
*tv_selector
;
722 struct drm_property
*tv_subconnector
;
725 if (dev
->mode_config
.tv_select_subconnector_property
)
729 * Basic connector properties
731 tv_selector
= drm_property_create_enum(dev
, 0,
732 "select subconnector",
733 drm_tv_select_enum_list
,
734 ARRAY_SIZE(drm_tv_select_enum_list
));
735 dev
->mode_config
.tv_select_subconnector_property
= tv_selector
;
738 drm_property_create_enum(dev
, DRM_MODE_PROP_IMMUTABLE
,
740 drm_tv_subconnector_enum_list
,
741 ARRAY_SIZE(drm_tv_subconnector_enum_list
));
742 dev
->mode_config
.tv_subconnector_property
= tv_subconnector
;
745 * Other, TV specific properties: margins & TV modes.
747 dev
->mode_config
.tv_left_margin_property
=
748 drm_property_create_range(dev
, 0, "left margin", 0, 100);
750 dev
->mode_config
.tv_right_margin_property
=
751 drm_property_create_range(dev
, 0, "right margin", 0, 100);
753 dev
->mode_config
.tv_top_margin_property
=
754 drm_property_create_range(dev
, 0, "top margin", 0, 100);
756 dev
->mode_config
.tv_bottom_margin_property
=
757 drm_property_create_range(dev
, 0, "bottom margin", 0, 100);
759 dev
->mode_config
.tv_mode_property
=
760 drm_property_create(dev
, DRM_MODE_PROP_ENUM
,
762 for (i
= 0; i
< num_modes
; i
++)
763 drm_property_add_enum(dev
->mode_config
.tv_mode_property
, i
,
766 dev
->mode_config
.tv_brightness_property
=
767 drm_property_create_range(dev
, 0, "brightness", 0, 100);
769 dev
->mode_config
.tv_contrast_property
=
770 drm_property_create_range(dev
, 0, "contrast", 0, 100);
772 dev
->mode_config
.tv_flicker_reduction_property
=
773 drm_property_create_range(dev
, 0, "flicker reduction", 0, 100);
775 dev
->mode_config
.tv_overscan_property
=
776 drm_property_create_range(dev
, 0, "overscan", 0, 100);
778 dev
->mode_config
.tv_saturation_property
=
779 drm_property_create_range(dev
, 0, "saturation", 0, 100);
781 dev
->mode_config
.tv_hue_property
=
782 drm_property_create_range(dev
, 0, "hue", 0, 100);
786 EXPORT_SYMBOL(drm_mode_create_tv_properties
);
789 * drm_mode_create_scaling_mode_property - create scaling mode property
792 * Called by a driver the first time it's needed, must be attached to desired
795 int drm_mode_create_scaling_mode_property(struct drm_device
*dev
)
797 struct drm_property
*scaling_mode
;
799 if (dev
->mode_config
.scaling_mode_property
)
803 drm_property_create_enum(dev
, 0, "scaling mode",
804 drm_scaling_mode_enum_list
,
805 ARRAY_SIZE(drm_scaling_mode_enum_list
));
807 dev
->mode_config
.scaling_mode_property
= scaling_mode
;
811 EXPORT_SYMBOL(drm_mode_create_scaling_mode_property
);
814 * drm_mode_create_dithering_property - create dithering property
817 * Called by a driver the first time it's needed, must be attached to desired
820 int drm_mode_create_dithering_property(struct drm_device
*dev
)
822 struct drm_property
*dithering_mode
;
824 if (dev
->mode_config
.dithering_mode_property
)
828 drm_property_create_enum(dev
, 0, "dithering",
829 drm_dithering_mode_enum_list
,
830 ARRAY_SIZE(drm_dithering_mode_enum_list
));
831 dev
->mode_config
.dithering_mode_property
= dithering_mode
;
835 EXPORT_SYMBOL(drm_mode_create_dithering_property
);
838 * drm_mode_create_dirty_property - create dirty property
841 * Called by a driver the first time it's needed, must be attached to desired
844 int drm_mode_create_dirty_info_property(struct drm_device
*dev
)
846 struct drm_property
*dirty_info
;
848 if (dev
->mode_config
.dirty_info_property
)
852 drm_property_create_enum(dev
, DRM_MODE_PROP_IMMUTABLE
,
854 drm_dirty_info_enum_list
,
855 ARRAY_SIZE(drm_dirty_info_enum_list
));
856 dev
->mode_config
.dirty_info_property
= dirty_info
;
860 EXPORT_SYMBOL(drm_mode_create_dirty_info_property
);
863 * drm_mode_config_init - initialize DRM mode_configuration structure
867 * None, should happen single threaded at init time.
869 * Initialize @dev's mode_config structure, used for tracking the graphics
870 * configuration of @dev.
872 void drm_mode_config_init(struct drm_device
*dev
)
874 mutex_init(&dev
->mode_config
.mutex
);
875 mutex_init(&dev
->mode_config
.idr_mutex
);
876 INIT_LIST_HEAD(&dev
->mode_config
.fb_list
);
877 INIT_LIST_HEAD(&dev
->mode_config
.crtc_list
);
878 INIT_LIST_HEAD(&dev
->mode_config
.connector_list
);
879 INIT_LIST_HEAD(&dev
->mode_config
.encoder_list
);
880 INIT_LIST_HEAD(&dev
->mode_config
.property_list
);
881 INIT_LIST_HEAD(&dev
->mode_config
.property_blob_list
);
882 INIT_LIST_HEAD(&dev
->mode_config
.plane_list
);
883 idr_init(&dev
->mode_config
.crtc_idr
);
885 mutex_lock(&dev
->mode_config
.mutex
);
886 drm_mode_create_standard_connector_properties(dev
);
887 mutex_unlock(&dev
->mode_config
.mutex
);
889 /* Just to be sure */
890 dev
->mode_config
.num_fb
= 0;
891 dev
->mode_config
.num_connector
= 0;
892 dev
->mode_config
.num_crtc
= 0;
893 dev
->mode_config
.num_encoder
= 0;
895 EXPORT_SYMBOL(drm_mode_config_init
);
897 int drm_mode_group_init(struct drm_device
*dev
, struct drm_mode_group
*group
)
899 uint32_t total_objects
= 0;
901 total_objects
+= dev
->mode_config
.num_crtc
;
902 total_objects
+= dev
->mode_config
.num_connector
;
903 total_objects
+= dev
->mode_config
.num_encoder
;
905 group
->id_list
= kzalloc(total_objects
* sizeof(uint32_t), GFP_KERNEL
);
909 group
->num_crtcs
= 0;
910 group
->num_connectors
= 0;
911 group
->num_encoders
= 0;
915 int drm_mode_group_init_legacy_group(struct drm_device
*dev
,
916 struct drm_mode_group
*group
)
918 struct drm_crtc
*crtc
;
919 struct drm_encoder
*encoder
;
920 struct drm_connector
*connector
;
923 if ((ret
= drm_mode_group_init(dev
, group
)))
926 list_for_each_entry(crtc
, &dev
->mode_config
.crtc_list
, head
)
927 group
->id_list
[group
->num_crtcs
++] = crtc
->base
.id
;
929 list_for_each_entry(encoder
, &dev
->mode_config
.encoder_list
, head
)
930 group
->id_list
[group
->num_crtcs
+ group
->num_encoders
++] =
933 list_for_each_entry(connector
, &dev
->mode_config
.connector_list
, head
)
934 group
->id_list
[group
->num_crtcs
+ group
->num_encoders
+
935 group
->num_connectors
++] = connector
->base
.id
;
941 * drm_mode_config_cleanup - free up DRM mode_config info
945 * Caller must hold mode config lock.
947 * Free up all the connectors and CRTCs associated with this DRM device, then
948 * free up the framebuffers and associated buffer objects.
950 * FIXME: cleanup any dangling user buffer objects too
952 void drm_mode_config_cleanup(struct drm_device
*dev
)
954 struct drm_connector
*connector
, *ot
;
955 struct drm_crtc
*crtc
, *ct
;
956 struct drm_encoder
*encoder
, *enct
;
957 struct drm_framebuffer
*fb
, *fbt
;
958 struct drm_property
*property
, *pt
;
959 struct drm_plane
*plane
, *plt
;
961 list_for_each_entry_safe(encoder
, enct
, &dev
->mode_config
.encoder_list
,
963 encoder
->funcs
->destroy(encoder
);
966 list_for_each_entry_safe(connector
, ot
,
967 &dev
->mode_config
.connector_list
, head
) {
968 connector
->funcs
->destroy(connector
);
971 list_for_each_entry_safe(property
, pt
, &dev
->mode_config
.property_list
,
973 drm_property_destroy(dev
, property
);
976 list_for_each_entry_safe(fb
, fbt
, &dev
->mode_config
.fb_list
, head
) {
977 fb
->funcs
->destroy(fb
);
980 list_for_each_entry_safe(crtc
, ct
, &dev
->mode_config
.crtc_list
, head
) {
981 crtc
->funcs
->destroy(crtc
);
984 list_for_each_entry_safe(plane
, plt
, &dev
->mode_config
.plane_list
,
986 plane
->funcs
->destroy(plane
);
989 idr_remove_all(&dev
->mode_config
.crtc_idr
);
990 idr_destroy(&dev
->mode_config
.crtc_idr
);
992 EXPORT_SYMBOL(drm_mode_config_cleanup
);
995 * drm_crtc_convert_to_umode - convert a drm_display_mode into a modeinfo
996 * @out: drm_mode_modeinfo struct to return to the user
997 * @in: drm_display_mode to use
1002 * Convert a drm_display_mode into a drm_mode_modeinfo structure to return to
1005 static void drm_crtc_convert_to_umode(struct drm_mode_modeinfo
*out
,
1006 const struct drm_display_mode
*in
)
1008 WARN(in
->hdisplay
> USHRT_MAX
|| in
->hsync_start
> USHRT_MAX
||
1009 in
->hsync_end
> USHRT_MAX
|| in
->htotal
> USHRT_MAX
||
1010 in
->hskew
> USHRT_MAX
|| in
->vdisplay
> USHRT_MAX
||
1011 in
->vsync_start
> USHRT_MAX
|| in
->vsync_end
> USHRT_MAX
||
1012 in
->vtotal
> USHRT_MAX
|| in
->vscan
> USHRT_MAX
,
1013 "timing values too large for mode info\n");
1015 out
->clock
= in
->clock
;
1016 out
->hdisplay
= in
->hdisplay
;
1017 out
->hsync_start
= in
->hsync_start
;
1018 out
->hsync_end
= in
->hsync_end
;
1019 out
->htotal
= in
->htotal
;
1020 out
->hskew
= in
->hskew
;
1021 out
->vdisplay
= in
->vdisplay
;
1022 out
->vsync_start
= in
->vsync_start
;
1023 out
->vsync_end
= in
->vsync_end
;
1024 out
->vtotal
= in
->vtotal
;
1025 out
->vscan
= in
->vscan
;
1026 out
->vrefresh
= in
->vrefresh
;
1027 out
->flags
= in
->flags
;
1028 out
->type
= in
->type
;
1029 strncpy(out
->name
, in
->name
, DRM_DISPLAY_MODE_LEN
);
1030 out
->name
[DRM_DISPLAY_MODE_LEN
-1] = 0;
1034 * drm_crtc_convert_to_umode - convert a modeinfo into a drm_display_mode
1035 * @out: drm_display_mode to return to the user
1036 * @in: drm_mode_modeinfo to use
1041 * Convert a drm_mode_modeinfo into a drm_display_mode structure to return to
1045 * Zero on success, errno on failure.
1047 static int drm_crtc_convert_umode(struct drm_display_mode
*out
,
1048 const struct drm_mode_modeinfo
*in
)
1050 if (in
->clock
> INT_MAX
|| in
->vrefresh
> INT_MAX
)
1053 out
->clock
= in
->clock
;
1054 out
->hdisplay
= in
->hdisplay
;
1055 out
->hsync_start
= in
->hsync_start
;
1056 out
->hsync_end
= in
->hsync_end
;
1057 out
->htotal
= in
->htotal
;
1058 out
->hskew
= in
->hskew
;
1059 out
->vdisplay
= in
->vdisplay
;
1060 out
->vsync_start
= in
->vsync_start
;
1061 out
->vsync_end
= in
->vsync_end
;
1062 out
->vtotal
= in
->vtotal
;
1063 out
->vscan
= in
->vscan
;
1064 out
->vrefresh
= in
->vrefresh
;
1065 out
->flags
= in
->flags
;
1066 out
->type
= in
->type
;
1067 strncpy(out
->name
, in
->name
, DRM_DISPLAY_MODE_LEN
);
1068 out
->name
[DRM_DISPLAY_MODE_LEN
-1] = 0;
1074 * drm_mode_getresources - get graphics configuration
1075 * @inode: inode from the ioctl
1076 * @filp: file * from the ioctl
1077 * @cmd: cmd from ioctl
1078 * @arg: arg from ioctl
1081 * Takes mode config lock.
1083 * Construct a set of configuration description structures and return
1084 * them to the user, including CRTC, connector and framebuffer configuration.
1086 * Called by the user via ioctl.
1089 * Zero on success, errno on failure.
1091 int drm_mode_getresources(struct drm_device
*dev
, void *data
,
1092 struct drm_file
*file_priv
)
1094 struct drm_mode_card_res
*card_res
= data
;
1095 struct list_head
*lh
;
1096 struct drm_framebuffer
*fb
;
1097 struct drm_connector
*connector
;
1098 struct drm_crtc
*crtc
;
1099 struct drm_encoder
*encoder
;
1101 int connector_count
= 0;
1104 int encoder_count
= 0;
1106 uint32_t __user
*fb_id
;
1107 uint32_t __user
*crtc_id
;
1108 uint32_t __user
*connector_id
;
1109 uint32_t __user
*encoder_id
;
1110 struct drm_mode_group
*mode_group
;
1112 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
1115 mutex_lock(&dev
->mode_config
.mutex
);
1118 * For the non-control nodes we need to limit the list of resources
1119 * by IDs in the group list for this node
1121 list_for_each(lh
, &file_priv
->fbs
)
1124 mode_group
= &file_priv
->master
->minor
->mode_group
;
1125 if (file_priv
->master
->minor
->type
== DRM_MINOR_CONTROL
) {
1127 list_for_each(lh
, &dev
->mode_config
.crtc_list
)
1130 list_for_each(lh
, &dev
->mode_config
.connector_list
)
1133 list_for_each(lh
, &dev
->mode_config
.encoder_list
)
1137 crtc_count
= mode_group
->num_crtcs
;
1138 connector_count
= mode_group
->num_connectors
;
1139 encoder_count
= mode_group
->num_encoders
;
1142 card_res
->max_height
= dev
->mode_config
.max_height
;
1143 card_res
->min_height
= dev
->mode_config
.min_height
;
1144 card_res
->max_width
= dev
->mode_config
.max_width
;
1145 card_res
->min_width
= dev
->mode_config
.min_width
;
1147 /* handle this in 4 parts */
1149 if (card_res
->count_fbs
>= fb_count
) {
1151 fb_id
= (uint32_t __user
*)(unsigned long)card_res
->fb_id_ptr
;
1152 list_for_each_entry(fb
, &file_priv
->fbs
, filp_head
) {
1153 if (put_user(fb
->base
.id
, fb_id
+ copied
)) {
1160 card_res
->count_fbs
= fb_count
;
1163 if (card_res
->count_crtcs
>= crtc_count
) {
1165 crtc_id
= (uint32_t __user
*)(unsigned long)card_res
->crtc_id_ptr
;
1166 if (file_priv
->master
->minor
->type
== DRM_MINOR_CONTROL
) {
1167 list_for_each_entry(crtc
, &dev
->mode_config
.crtc_list
,
1169 DRM_DEBUG_KMS("[CRTC:%d]\n", crtc
->base
.id
);
1170 if (put_user(crtc
->base
.id
, crtc_id
+ copied
)) {
1177 for (i
= 0; i
< mode_group
->num_crtcs
; i
++) {
1178 if (put_user(mode_group
->id_list
[i
],
1179 crtc_id
+ copied
)) {
1187 card_res
->count_crtcs
= crtc_count
;
1190 if (card_res
->count_encoders
>= encoder_count
) {
1192 encoder_id
= (uint32_t __user
*)(unsigned long)card_res
->encoder_id_ptr
;
1193 if (file_priv
->master
->minor
->type
== DRM_MINOR_CONTROL
) {
1194 list_for_each_entry(encoder
,
1195 &dev
->mode_config
.encoder_list
,
1197 DRM_DEBUG_KMS("[ENCODER:%d:%s]\n", encoder
->base
.id
,
1198 drm_get_encoder_name(encoder
));
1199 if (put_user(encoder
->base
.id
, encoder_id
+
1207 for (i
= mode_group
->num_crtcs
; i
< mode_group
->num_crtcs
+ mode_group
->num_encoders
; i
++) {
1208 if (put_user(mode_group
->id_list
[i
],
1209 encoder_id
+ copied
)) {
1218 card_res
->count_encoders
= encoder_count
;
1221 if (card_res
->count_connectors
>= connector_count
) {
1223 connector_id
= (uint32_t __user
*)(unsigned long)card_res
->connector_id_ptr
;
1224 if (file_priv
->master
->minor
->type
== DRM_MINOR_CONTROL
) {
1225 list_for_each_entry(connector
,
1226 &dev
->mode_config
.connector_list
,
1228 DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
1230 drm_get_connector_name(connector
));
1231 if (put_user(connector
->base
.id
,
1232 connector_id
+ copied
)) {
1239 int start
= mode_group
->num_crtcs
+
1240 mode_group
->num_encoders
;
1241 for (i
= start
; i
< start
+ mode_group
->num_connectors
; i
++) {
1242 if (put_user(mode_group
->id_list
[i
],
1243 connector_id
+ copied
)) {
1251 card_res
->count_connectors
= connector_count
;
1253 DRM_DEBUG_KMS("CRTC[%d] CONNECTORS[%d] ENCODERS[%d]\n", card_res
->count_crtcs
,
1254 card_res
->count_connectors
, card_res
->count_encoders
);
1257 mutex_unlock(&dev
->mode_config
.mutex
);
1262 * drm_mode_getcrtc - get CRTC configuration
1263 * @inode: inode from the ioctl
1264 * @filp: file * from the ioctl
1265 * @cmd: cmd from ioctl
1266 * @arg: arg from ioctl
1269 * Takes mode config lock.
1271 * Construct a CRTC configuration structure to return to the user.
1273 * Called by the user via ioctl.
1276 * Zero on success, errno on failure.
1278 int drm_mode_getcrtc(struct drm_device
*dev
,
1279 void *data
, struct drm_file
*file_priv
)
1281 struct drm_mode_crtc
*crtc_resp
= data
;
1282 struct drm_crtc
*crtc
;
1283 struct drm_mode_object
*obj
;
1286 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
1289 mutex_lock(&dev
->mode_config
.mutex
);
1291 obj
= drm_mode_object_find(dev
, crtc_resp
->crtc_id
,
1292 DRM_MODE_OBJECT_CRTC
);
1297 crtc
= obj_to_crtc(obj
);
1299 crtc_resp
->x
= crtc
->x
;
1300 crtc_resp
->y
= crtc
->y
;
1301 crtc_resp
->gamma_size
= crtc
->gamma_size
;
1303 crtc_resp
->fb_id
= crtc
->fb
->base
.id
;
1305 crtc_resp
->fb_id
= 0;
1307 if (crtc
->enabled
) {
1309 drm_crtc_convert_to_umode(&crtc_resp
->mode
, &crtc
->mode
);
1310 crtc_resp
->mode_valid
= 1;
1313 crtc_resp
->mode_valid
= 0;
1317 mutex_unlock(&dev
->mode_config
.mutex
);
1322 * drm_mode_getconnector - get connector configuration
1323 * @inode: inode from the ioctl
1324 * @filp: file * from the ioctl
1325 * @cmd: cmd from ioctl
1326 * @arg: arg from ioctl
1329 * Takes mode config lock.
1331 * Construct a connector configuration structure to return to the user.
1333 * Called by the user via ioctl.
1336 * Zero on success, errno on failure.
1338 int drm_mode_getconnector(struct drm_device
*dev
, void *data
,
1339 struct drm_file
*file_priv
)
1341 struct drm_mode_get_connector
*out_resp
= data
;
1342 struct drm_mode_object
*obj
;
1343 struct drm_connector
*connector
;
1344 struct drm_display_mode
*mode
;
1346 int props_count
= 0;
1347 int encoders_count
= 0;
1351 struct drm_mode_modeinfo u_mode
;
1352 struct drm_mode_modeinfo __user
*mode_ptr
;
1353 uint32_t __user
*prop_ptr
;
1354 uint64_t __user
*prop_values
;
1355 uint32_t __user
*encoder_ptr
;
1357 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
1360 memset(&u_mode
, 0, sizeof(struct drm_mode_modeinfo
));
1362 DRM_DEBUG_KMS("[CONNECTOR:%d:?]\n", out_resp
->connector_id
);
1364 mutex_lock(&dev
->mode_config
.mutex
);
1366 obj
= drm_mode_object_find(dev
, out_resp
->connector_id
,
1367 DRM_MODE_OBJECT_CONNECTOR
);
1372 connector
= obj_to_connector(obj
);
1374 for (i
= 0; i
< DRM_CONNECTOR_MAX_PROPERTY
; i
++) {
1375 if (connector
->property_ids
[i
] != 0) {
1380 for (i
= 0; i
< DRM_CONNECTOR_MAX_ENCODER
; i
++) {
1381 if (connector
->encoder_ids
[i
] != 0) {
1386 if (out_resp
->count_modes
== 0) {
1387 connector
->funcs
->fill_modes(connector
,
1388 dev
->mode_config
.max_width
,
1389 dev
->mode_config
.max_height
);
1392 /* delayed so we get modes regardless of pre-fill_modes state */
1393 list_for_each_entry(mode
, &connector
->modes
, head
)
1396 out_resp
->connector_id
= connector
->base
.id
;
1397 out_resp
->connector_type
= connector
->connector_type
;
1398 out_resp
->connector_type_id
= connector
->connector_type_id
;
1399 out_resp
->mm_width
= connector
->display_info
.width_mm
;
1400 out_resp
->mm_height
= connector
->display_info
.height_mm
;
1401 out_resp
->subpixel
= connector
->display_info
.subpixel_order
;
1402 out_resp
->connection
= connector
->status
;
1403 if (connector
->encoder
)
1404 out_resp
->encoder_id
= connector
->encoder
->base
.id
;
1406 out_resp
->encoder_id
= 0;
1409 * This ioctl is called twice, once to determine how much space is
1410 * needed, and the 2nd time to fill it.
1412 if ((out_resp
->count_modes
>= mode_count
) && mode_count
) {
1414 mode_ptr
= (struct drm_mode_modeinfo __user
*)(unsigned long)out_resp
->modes_ptr
;
1415 list_for_each_entry(mode
, &connector
->modes
, head
) {
1416 drm_crtc_convert_to_umode(&u_mode
, mode
);
1417 if (copy_to_user(mode_ptr
+ copied
,
1418 &u_mode
, sizeof(u_mode
))) {
1425 out_resp
->count_modes
= mode_count
;
1427 if ((out_resp
->count_props
>= props_count
) && props_count
) {
1429 prop_ptr
= (uint32_t __user
*)(unsigned long)(out_resp
->props_ptr
);
1430 prop_values
= (uint64_t __user
*)(unsigned long)(out_resp
->prop_values_ptr
);
1431 for (i
= 0; i
< DRM_CONNECTOR_MAX_PROPERTY
; i
++) {
1432 if (connector
->property_ids
[i
] != 0) {
1433 if (put_user(connector
->property_ids
[i
],
1434 prop_ptr
+ copied
)) {
1439 if (put_user(connector
->property_values
[i
],
1440 prop_values
+ copied
)) {
1448 out_resp
->count_props
= props_count
;
1450 if ((out_resp
->count_encoders
>= encoders_count
) && encoders_count
) {
1452 encoder_ptr
= (uint32_t __user
*)(unsigned long)(out_resp
->encoders_ptr
);
1453 for (i
= 0; i
< DRM_CONNECTOR_MAX_ENCODER
; i
++) {
1454 if (connector
->encoder_ids
[i
] != 0) {
1455 if (put_user(connector
->encoder_ids
[i
],
1456 encoder_ptr
+ copied
)) {
1464 out_resp
->count_encoders
= encoders_count
;
1467 mutex_unlock(&dev
->mode_config
.mutex
);
1471 int drm_mode_getencoder(struct drm_device
*dev
, void *data
,
1472 struct drm_file
*file_priv
)
1474 struct drm_mode_get_encoder
*enc_resp
= data
;
1475 struct drm_mode_object
*obj
;
1476 struct drm_encoder
*encoder
;
1479 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
1482 mutex_lock(&dev
->mode_config
.mutex
);
1483 obj
= drm_mode_object_find(dev
, enc_resp
->encoder_id
,
1484 DRM_MODE_OBJECT_ENCODER
);
1489 encoder
= obj_to_encoder(obj
);
1492 enc_resp
->crtc_id
= encoder
->crtc
->base
.id
;
1494 enc_resp
->crtc_id
= 0;
1495 enc_resp
->encoder_type
= encoder
->encoder_type
;
1496 enc_resp
->encoder_id
= encoder
->base
.id
;
1497 enc_resp
->possible_crtcs
= encoder
->possible_crtcs
;
1498 enc_resp
->possible_clones
= encoder
->possible_clones
;
1501 mutex_unlock(&dev
->mode_config
.mutex
);
1506 * drm_mode_getplane_res - get plane info
1509 * @file_priv: DRM file info
1512 * Takes mode config lock.
1514 * Return an plane count and set of IDs.
1516 int drm_mode_getplane_res(struct drm_device
*dev
, void *data
,
1517 struct drm_file
*file_priv
)
1519 struct drm_mode_get_plane_res
*plane_resp
= data
;
1520 struct drm_mode_config
*config
;
1521 struct drm_plane
*plane
;
1522 uint32_t __user
*plane_ptr
;
1523 int copied
= 0, ret
= 0;
1525 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
1528 mutex_lock(&dev
->mode_config
.mutex
);
1529 config
= &dev
->mode_config
;
1532 * This ioctl is called twice, once to determine how much space is
1533 * needed, and the 2nd time to fill it.
1535 if (config
->num_plane
&&
1536 (plane_resp
->count_planes
>= config
->num_plane
)) {
1537 plane_ptr
= (uint32_t __user
*)(unsigned long)plane_resp
->plane_id_ptr
;
1539 list_for_each_entry(plane
, &config
->plane_list
, head
) {
1540 if (put_user(plane
->base
.id
, plane_ptr
+ copied
)) {
1547 plane_resp
->count_planes
= config
->num_plane
;
1550 mutex_unlock(&dev
->mode_config
.mutex
);
1555 * drm_mode_getplane - get plane info
1558 * @file_priv: DRM file info
1561 * Takes mode config lock.
1563 * Return plane info, including formats supported, gamma size, any
1566 int drm_mode_getplane(struct drm_device
*dev
, void *data
,
1567 struct drm_file
*file_priv
)
1569 struct drm_mode_get_plane
*plane_resp
= data
;
1570 struct drm_mode_object
*obj
;
1571 struct drm_plane
*plane
;
1572 uint32_t __user
*format_ptr
;
1575 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
1578 mutex_lock(&dev
->mode_config
.mutex
);
1579 obj
= drm_mode_object_find(dev
, plane_resp
->plane_id
,
1580 DRM_MODE_OBJECT_PLANE
);
1585 plane
= obj_to_plane(obj
);
1588 plane_resp
->crtc_id
= plane
->crtc
->base
.id
;
1590 plane_resp
->crtc_id
= 0;
1593 plane_resp
->fb_id
= plane
->fb
->base
.id
;
1595 plane_resp
->fb_id
= 0;
1597 plane_resp
->plane_id
= plane
->base
.id
;
1598 plane_resp
->possible_crtcs
= plane
->possible_crtcs
;
1599 plane_resp
->gamma_size
= plane
->gamma_size
;
1602 * This ioctl is called twice, once to determine how much space is
1603 * needed, and the 2nd time to fill it.
1605 if (plane
->format_count
&&
1606 (plane_resp
->count_format_types
>= plane
->format_count
)) {
1607 format_ptr
= (uint32_t __user
*)(unsigned long)plane_resp
->format_type_ptr
;
1608 if (copy_to_user(format_ptr
,
1609 plane
->format_types
,
1610 sizeof(uint32_t) * plane
->format_count
)) {
1615 plane_resp
->count_format_types
= plane
->format_count
;
1618 mutex_unlock(&dev
->mode_config
.mutex
);
1623 * drm_mode_setplane - set up or tear down an plane
1625 * @data: ioctl data*
1626 * @file_prive: DRM file info
1629 * Takes mode config lock.
1631 * Set plane info, including placement, fb, scaling, and other factors.
1632 * Or pass a NULL fb to disable.
1634 int drm_mode_setplane(struct drm_device
*dev
, void *data
,
1635 struct drm_file
*file_priv
)
1637 struct drm_mode_set_plane
*plane_req
= data
;
1638 struct drm_mode_object
*obj
;
1639 struct drm_plane
*plane
;
1640 struct drm_crtc
*crtc
;
1641 struct drm_framebuffer
*fb
;
1643 unsigned int fb_width
, fb_height
;
1646 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
1649 mutex_lock(&dev
->mode_config
.mutex
);
1652 * First, find the plane, crtc, and fb objects. If not available,
1653 * we don't bother to call the driver.
1655 obj
= drm_mode_object_find(dev
, plane_req
->plane_id
,
1656 DRM_MODE_OBJECT_PLANE
);
1658 DRM_DEBUG_KMS("Unknown plane ID %d\n",
1659 plane_req
->plane_id
);
1663 plane
= obj_to_plane(obj
);
1665 /* No fb means shut it down */
1666 if (!plane_req
->fb_id
) {
1667 plane
->funcs
->disable_plane(plane
);
1673 obj
= drm_mode_object_find(dev
, plane_req
->crtc_id
,
1674 DRM_MODE_OBJECT_CRTC
);
1676 DRM_DEBUG_KMS("Unknown crtc ID %d\n",
1677 plane_req
->crtc_id
);
1681 crtc
= obj_to_crtc(obj
);
1683 obj
= drm_mode_object_find(dev
, plane_req
->fb_id
,
1684 DRM_MODE_OBJECT_FB
);
1686 DRM_DEBUG_KMS("Unknown framebuffer ID %d\n",
1691 fb
= obj_to_fb(obj
);
1693 /* Check whether this plane supports the fb pixel format. */
1694 for (i
= 0; i
< plane
->format_count
; i
++)
1695 if (fb
->pixel_format
== plane
->format_types
[i
])
1697 if (i
== plane
->format_count
) {
1698 DRM_DEBUG_KMS("Invalid pixel format 0x%08x\n", fb
->pixel_format
);
1703 fb_width
= fb
->width
<< 16;
1704 fb_height
= fb
->height
<< 16;
1706 /* Make sure source coordinates are inside the fb. */
1707 if (plane_req
->src_w
> fb_width
||
1708 plane_req
->src_x
> fb_width
- plane_req
->src_w
||
1709 plane_req
->src_h
> fb_height
||
1710 plane_req
->src_y
> fb_height
- plane_req
->src_h
) {
1711 DRM_DEBUG_KMS("Invalid source coordinates "
1712 "%u.%06ux%u.%06u+%u.%06u+%u.%06u\n",
1713 plane_req
->src_w
>> 16,
1714 ((plane_req
->src_w
& 0xffff) * 15625) >> 10,
1715 plane_req
->src_h
>> 16,
1716 ((plane_req
->src_h
& 0xffff) * 15625) >> 10,
1717 plane_req
->src_x
>> 16,
1718 ((plane_req
->src_x
& 0xffff) * 15625) >> 10,
1719 plane_req
->src_y
>> 16,
1720 ((plane_req
->src_y
& 0xffff) * 15625) >> 10);
1725 /* Give drivers some help against integer overflows */
1726 if (plane_req
->crtc_w
> INT_MAX
||
1727 plane_req
->crtc_x
> INT_MAX
- (int32_t) plane_req
->crtc_w
||
1728 plane_req
->crtc_h
> INT_MAX
||
1729 plane_req
->crtc_y
> INT_MAX
- (int32_t) plane_req
->crtc_h
) {
1730 DRM_DEBUG_KMS("Invalid CRTC coordinates %ux%u+%d+%d\n",
1731 plane_req
->crtc_w
, plane_req
->crtc_h
,
1732 plane_req
->crtc_x
, plane_req
->crtc_y
);
1737 ret
= plane
->funcs
->update_plane(plane
, crtc
, fb
,
1738 plane_req
->crtc_x
, plane_req
->crtc_y
,
1739 plane_req
->crtc_w
, plane_req
->crtc_h
,
1740 plane_req
->src_x
, plane_req
->src_y
,
1741 plane_req
->src_w
, plane_req
->src_h
);
1748 mutex_unlock(&dev
->mode_config
.mutex
);
1754 * drm_mode_setcrtc - set CRTC configuration
1755 * @inode: inode from the ioctl
1756 * @filp: file * from the ioctl
1757 * @cmd: cmd from ioctl
1758 * @arg: arg from ioctl
1761 * Takes mode config lock.
1763 * Build a new CRTC configuration based on user request.
1765 * Called by the user via ioctl.
1768 * Zero on success, errno on failure.
1770 int drm_mode_setcrtc(struct drm_device
*dev
, void *data
,
1771 struct drm_file
*file_priv
)
1773 struct drm_mode_config
*config
= &dev
->mode_config
;
1774 struct drm_mode_crtc
*crtc_req
= data
;
1775 struct drm_mode_object
*obj
;
1776 struct drm_crtc
*crtc
;
1777 struct drm_connector
**connector_set
= NULL
, *connector
;
1778 struct drm_framebuffer
*fb
= NULL
;
1779 struct drm_display_mode
*mode
= NULL
;
1780 struct drm_mode_set set
;
1781 uint32_t __user
*set_connectors_ptr
;
1785 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
1788 /* For some reason crtc x/y offsets are signed internally. */
1789 if (crtc_req
->x
> INT_MAX
|| crtc_req
->y
> INT_MAX
)
1792 mutex_lock(&dev
->mode_config
.mutex
);
1793 obj
= drm_mode_object_find(dev
, crtc_req
->crtc_id
,
1794 DRM_MODE_OBJECT_CRTC
);
1796 DRM_DEBUG_KMS("Unknown CRTC ID %d\n", crtc_req
->crtc_id
);
1800 crtc
= obj_to_crtc(obj
);
1801 DRM_DEBUG_KMS("[CRTC:%d]\n", crtc
->base
.id
);
1803 if (crtc_req
->mode_valid
) {
1804 /* If we have a mode we need a framebuffer. */
1805 /* If we pass -1, set the mode with the currently bound fb */
1806 if (crtc_req
->fb_id
== -1) {
1808 DRM_DEBUG_KMS("CRTC doesn't have current FB\n");
1814 obj
= drm_mode_object_find(dev
, crtc_req
->fb_id
,
1815 DRM_MODE_OBJECT_FB
);
1817 DRM_DEBUG_KMS("Unknown FB ID%d\n",
1822 fb
= obj_to_fb(obj
);
1825 mode
= drm_mode_create(dev
);
1831 ret
= drm_crtc_convert_umode(mode
, &crtc_req
->mode
);
1833 DRM_DEBUG_KMS("Invalid mode\n");
1837 drm_mode_set_crtcinfo(mode
, CRTC_INTERLACE_HALVE_V
);
1839 if (mode
->hdisplay
> fb
->width
||
1840 mode
->vdisplay
> fb
->height
||
1841 crtc_req
->x
> fb
->width
- mode
->hdisplay
||
1842 crtc_req
->y
> fb
->height
- mode
->vdisplay
) {
1843 DRM_DEBUG_KMS("Invalid CRTC viewport %ux%u+%u+%u for fb size %ux%u.\n",
1844 mode
->hdisplay
, mode
->vdisplay
,
1845 crtc_req
->x
, crtc_req
->y
,
1846 fb
->width
, fb
->height
);
1852 if (crtc_req
->count_connectors
== 0 && mode
) {
1853 DRM_DEBUG_KMS("Count connectors is 0 but mode set\n");
1858 if (crtc_req
->count_connectors
> 0 && (!mode
|| !fb
)) {
1859 DRM_DEBUG_KMS("Count connectors is %d but no mode or fb set\n",
1860 crtc_req
->count_connectors
);
1865 if (crtc_req
->count_connectors
> 0) {
1868 /* Avoid unbounded kernel memory allocation */
1869 if (crtc_req
->count_connectors
> config
->num_connector
) {
1874 connector_set
= kmalloc(crtc_req
->count_connectors
*
1875 sizeof(struct drm_connector
*),
1877 if (!connector_set
) {
1882 for (i
= 0; i
< crtc_req
->count_connectors
; i
++) {
1883 set_connectors_ptr
= (uint32_t __user
*)(unsigned long)crtc_req
->set_connectors_ptr
;
1884 if (get_user(out_id
, &set_connectors_ptr
[i
])) {
1889 obj
= drm_mode_object_find(dev
, out_id
,
1890 DRM_MODE_OBJECT_CONNECTOR
);
1892 DRM_DEBUG_KMS("Connector id %d unknown\n",
1897 connector
= obj_to_connector(obj
);
1898 DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
1900 drm_get_connector_name(connector
));
1902 connector_set
[i
] = connector
;
1907 set
.x
= crtc_req
->x
;
1908 set
.y
= crtc_req
->y
;
1910 set
.connectors
= connector_set
;
1911 set
.num_connectors
= crtc_req
->count_connectors
;
1913 ret
= crtc
->funcs
->set_config(&set
);
1916 kfree(connector_set
);
1917 drm_mode_destroy(dev
, mode
);
1918 mutex_unlock(&dev
->mode_config
.mutex
);
1922 int drm_mode_cursor_ioctl(struct drm_device
*dev
,
1923 void *data
, struct drm_file
*file_priv
)
1925 struct drm_mode_cursor
*req
= data
;
1926 struct drm_mode_object
*obj
;
1927 struct drm_crtc
*crtc
;
1930 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
1936 mutex_lock(&dev
->mode_config
.mutex
);
1937 obj
= drm_mode_object_find(dev
, req
->crtc_id
, DRM_MODE_OBJECT_CRTC
);
1939 DRM_DEBUG_KMS("Unknown CRTC ID %d\n", req
->crtc_id
);
1943 crtc
= obj_to_crtc(obj
);
1945 if (req
->flags
& DRM_MODE_CURSOR_BO
) {
1946 if (!crtc
->funcs
->cursor_set
) {
1950 /* Turns off the cursor if handle is 0 */
1951 ret
= crtc
->funcs
->cursor_set(crtc
, file_priv
, req
->handle
,
1952 req
->width
, req
->height
);
1955 if (req
->flags
& DRM_MODE_CURSOR_MOVE
) {
1956 if (crtc
->funcs
->cursor_move
) {
1957 ret
= crtc
->funcs
->cursor_move(crtc
, req
->x
, req
->y
);
1964 mutex_unlock(&dev
->mode_config
.mutex
);
1968 /* Original addfb only supported RGB formats, so figure out which one */
1969 uint32_t drm_mode_legacy_fb_format(uint32_t bpp
, uint32_t depth
)
1975 fmt
= DRM_FORMAT_RGB332
;
1979 fmt
= DRM_FORMAT_XRGB1555
;
1981 fmt
= DRM_FORMAT_RGB565
;
1984 fmt
= DRM_FORMAT_RGB888
;
1988 fmt
= DRM_FORMAT_XRGB8888
;
1989 else if (depth
== 30)
1990 fmt
= DRM_FORMAT_XRGB2101010
;
1992 fmt
= DRM_FORMAT_ARGB8888
;
1995 DRM_ERROR("bad bpp, assuming x8r8g8b8 pixel format\n");
1996 fmt
= DRM_FORMAT_XRGB8888
;
2002 EXPORT_SYMBOL(drm_mode_legacy_fb_format
);
2005 * drm_mode_addfb - add an FB to the graphics configuration
2006 * @inode: inode from the ioctl
2007 * @filp: file * from the ioctl
2008 * @cmd: cmd from ioctl
2009 * @arg: arg from ioctl
2012 * Takes mode config lock.
2014 * Add a new FB to the specified CRTC, given a user request.
2016 * Called by the user via ioctl.
2019 * Zero on success, errno on failure.
2021 int drm_mode_addfb(struct drm_device
*dev
,
2022 void *data
, struct drm_file
*file_priv
)
2024 struct drm_mode_fb_cmd
*or = data
;
2025 struct drm_mode_fb_cmd2 r
= {};
2026 struct drm_mode_config
*config
= &dev
->mode_config
;
2027 struct drm_framebuffer
*fb
;
2030 /* Use new struct with format internally */
2031 r
.fb_id
= or->fb_id
;
2032 r
.width
= or->width
;
2033 r
.height
= or->height
;
2034 r
.pitches
[0] = or->pitch
;
2035 r
.pixel_format
= drm_mode_legacy_fb_format(or->bpp
, or->depth
);
2036 r
.handles
[0] = or->handle
;
2038 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
2041 if ((config
->min_width
> r
.width
) || (r
.width
> config
->max_width
))
2044 if ((config
->min_height
> r
.height
) || (r
.height
> config
->max_height
))
2047 mutex_lock(&dev
->mode_config
.mutex
);
2049 /* TODO check buffer is sufficiently large */
2050 /* TODO setup destructor callback */
2052 fb
= dev
->mode_config
.funcs
->fb_create(dev
, file_priv
, &r
);
2054 DRM_ERROR("could not create framebuffer\n");
2059 or->fb_id
= fb
->base
.id
;
2060 list_add(&fb
->filp_head
, &file_priv
->fbs
);
2061 DRM_DEBUG_KMS("[FB:%d]\n", fb
->base
.id
);
2064 mutex_unlock(&dev
->mode_config
.mutex
);
2068 static int format_check(struct drm_mode_fb_cmd2
*r
)
2070 uint32_t format
= r
->pixel_format
& ~DRM_FORMAT_BIG_ENDIAN
;
2074 case DRM_FORMAT_RGB332
:
2075 case DRM_FORMAT_BGR233
:
2076 case DRM_FORMAT_XRGB4444
:
2077 case DRM_FORMAT_XBGR4444
:
2078 case DRM_FORMAT_RGBX4444
:
2079 case DRM_FORMAT_BGRX4444
:
2080 case DRM_FORMAT_ARGB4444
:
2081 case DRM_FORMAT_ABGR4444
:
2082 case DRM_FORMAT_RGBA4444
:
2083 case DRM_FORMAT_BGRA4444
:
2084 case DRM_FORMAT_XRGB1555
:
2085 case DRM_FORMAT_XBGR1555
:
2086 case DRM_FORMAT_RGBX5551
:
2087 case DRM_FORMAT_BGRX5551
:
2088 case DRM_FORMAT_ARGB1555
:
2089 case DRM_FORMAT_ABGR1555
:
2090 case DRM_FORMAT_RGBA5551
:
2091 case DRM_FORMAT_BGRA5551
:
2092 case DRM_FORMAT_RGB565
:
2093 case DRM_FORMAT_BGR565
:
2094 case DRM_FORMAT_RGB888
:
2095 case DRM_FORMAT_BGR888
:
2096 case DRM_FORMAT_XRGB8888
:
2097 case DRM_FORMAT_XBGR8888
:
2098 case DRM_FORMAT_RGBX8888
:
2099 case DRM_FORMAT_BGRX8888
:
2100 case DRM_FORMAT_ARGB8888
:
2101 case DRM_FORMAT_ABGR8888
:
2102 case DRM_FORMAT_RGBA8888
:
2103 case DRM_FORMAT_BGRA8888
:
2104 case DRM_FORMAT_XRGB2101010
:
2105 case DRM_FORMAT_XBGR2101010
:
2106 case DRM_FORMAT_RGBX1010102
:
2107 case DRM_FORMAT_BGRX1010102
:
2108 case DRM_FORMAT_ARGB2101010
:
2109 case DRM_FORMAT_ABGR2101010
:
2110 case DRM_FORMAT_RGBA1010102
:
2111 case DRM_FORMAT_BGRA1010102
:
2112 case DRM_FORMAT_YUYV
:
2113 case DRM_FORMAT_YVYU
:
2114 case DRM_FORMAT_UYVY
:
2115 case DRM_FORMAT_VYUY
:
2116 case DRM_FORMAT_AYUV
:
2117 case DRM_FORMAT_NV12
:
2118 case DRM_FORMAT_NV21
:
2119 case DRM_FORMAT_NV16
:
2120 case DRM_FORMAT_NV61
:
2121 case DRM_FORMAT_YUV410
:
2122 case DRM_FORMAT_YVU410
:
2123 case DRM_FORMAT_YUV411
:
2124 case DRM_FORMAT_YVU411
:
2125 case DRM_FORMAT_YUV420
:
2126 case DRM_FORMAT_YVU420
:
2127 case DRM_FORMAT_YUV422
:
2128 case DRM_FORMAT_YVU422
:
2129 case DRM_FORMAT_YUV444
:
2130 case DRM_FORMAT_YVU444
:
2138 * drm_mode_addfb2 - add an FB to the graphics configuration
2139 * @inode: inode from the ioctl
2140 * @filp: file * from the ioctl
2141 * @cmd: cmd from ioctl
2142 * @arg: arg from ioctl
2145 * Takes mode config lock.
2147 * Add a new FB to the specified CRTC, given a user request with format.
2149 * Called by the user via ioctl.
2152 * Zero on success, errno on failure.
2154 int drm_mode_addfb2(struct drm_device
*dev
,
2155 void *data
, struct drm_file
*file_priv
)
2157 struct drm_mode_fb_cmd2
*r
= data
;
2158 struct drm_mode_config
*config
= &dev
->mode_config
;
2159 struct drm_framebuffer
*fb
;
2162 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
2165 if ((config
->min_width
> r
->width
) || (r
->width
> config
->max_width
)) {
2166 DRM_ERROR("bad framebuffer width %d, should be >= %d && <= %d\n",
2167 r
->width
, config
->min_width
, config
->max_width
);
2170 if ((config
->min_height
> r
->height
) || (r
->height
> config
->max_height
)) {
2171 DRM_ERROR("bad framebuffer height %d, should be >= %d && <= %d\n",
2172 r
->height
, config
->min_height
, config
->max_height
);
2176 ret
= format_check(r
);
2178 DRM_ERROR("bad framebuffer format 0x%08x\n", r
->pixel_format
);
2182 mutex_lock(&dev
->mode_config
.mutex
);
2184 fb
= dev
->mode_config
.funcs
->fb_create(dev
, file_priv
, r
);
2186 DRM_ERROR("could not create framebuffer\n");
2191 r
->fb_id
= fb
->base
.id
;
2192 list_add(&fb
->filp_head
, &file_priv
->fbs
);
2193 DRM_DEBUG_KMS("[FB:%d]\n", fb
->base
.id
);
2196 mutex_unlock(&dev
->mode_config
.mutex
);
2201 * drm_mode_rmfb - remove an FB from the configuration
2202 * @inode: inode from the ioctl
2203 * @filp: file * from the ioctl
2204 * @cmd: cmd from ioctl
2205 * @arg: arg from ioctl
2208 * Takes mode config lock.
2210 * Remove the FB specified by the user.
2212 * Called by the user via ioctl.
2215 * Zero on success, errno on failure.
2217 int drm_mode_rmfb(struct drm_device
*dev
,
2218 void *data
, struct drm_file
*file_priv
)
2220 struct drm_mode_object
*obj
;
2221 struct drm_framebuffer
*fb
= NULL
;
2222 struct drm_framebuffer
*fbl
= NULL
;
2223 uint32_t *id
= data
;
2227 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
2230 mutex_lock(&dev
->mode_config
.mutex
);
2231 obj
= drm_mode_object_find(dev
, *id
, DRM_MODE_OBJECT_FB
);
2232 /* TODO check that we really get a framebuffer back. */
2237 fb
= obj_to_fb(obj
);
2239 list_for_each_entry(fbl
, &file_priv
->fbs
, filp_head
)
2248 /* TODO release all crtc connected to the framebuffer */
2249 /* TODO unhock the destructor from the buffer object */
2251 list_del(&fb
->filp_head
);
2252 fb
->funcs
->destroy(fb
);
2255 mutex_unlock(&dev
->mode_config
.mutex
);
2260 * drm_mode_getfb - get FB info
2261 * @inode: inode from the ioctl
2262 * @filp: file * from the ioctl
2263 * @cmd: cmd from ioctl
2264 * @arg: arg from ioctl
2267 * Takes mode config lock.
2269 * Lookup the FB given its ID and return info about it.
2271 * Called by the user via ioctl.
2274 * Zero on success, errno on failure.
2276 int drm_mode_getfb(struct drm_device
*dev
,
2277 void *data
, struct drm_file
*file_priv
)
2279 struct drm_mode_fb_cmd
*r
= data
;
2280 struct drm_mode_object
*obj
;
2281 struct drm_framebuffer
*fb
;
2284 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
2287 mutex_lock(&dev
->mode_config
.mutex
);
2288 obj
= drm_mode_object_find(dev
, r
->fb_id
, DRM_MODE_OBJECT_FB
);
2293 fb
= obj_to_fb(obj
);
2295 r
->height
= fb
->height
;
2296 r
->width
= fb
->width
;
2297 r
->depth
= fb
->depth
;
2298 r
->bpp
= fb
->bits_per_pixel
;
2299 r
->pitch
= fb
->pitches
[0];
2300 fb
->funcs
->create_handle(fb
, file_priv
, &r
->handle
);
2303 mutex_unlock(&dev
->mode_config
.mutex
);
2307 int drm_mode_dirtyfb_ioctl(struct drm_device
*dev
,
2308 void *data
, struct drm_file
*file_priv
)
2310 struct drm_clip_rect __user
*clips_ptr
;
2311 struct drm_clip_rect
*clips
= NULL
;
2312 struct drm_mode_fb_dirty_cmd
*r
= data
;
2313 struct drm_mode_object
*obj
;
2314 struct drm_framebuffer
*fb
;
2319 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
2322 mutex_lock(&dev
->mode_config
.mutex
);
2323 obj
= drm_mode_object_find(dev
, r
->fb_id
, DRM_MODE_OBJECT_FB
);
2328 fb
= obj_to_fb(obj
);
2330 num_clips
= r
->num_clips
;
2331 clips_ptr
= (struct drm_clip_rect __user
*)(unsigned long)r
->clips_ptr
;
2333 if (!num_clips
!= !clips_ptr
) {
2338 flags
= DRM_MODE_FB_DIRTY_FLAGS
& r
->flags
;
2340 /* If userspace annotates copy, clips must come in pairs */
2341 if (flags
& DRM_MODE_FB_DIRTY_ANNOTATE_COPY
&& (num_clips
% 2)) {
2346 if (num_clips
&& clips_ptr
) {
2347 if (num_clips
< 0 || num_clips
> DRM_MODE_FB_DIRTY_MAX_CLIPS
) {
2351 clips
= kzalloc(num_clips
* sizeof(*clips
), GFP_KERNEL
);
2357 ret
= copy_from_user(clips
, clips_ptr
,
2358 num_clips
* sizeof(*clips
));
2365 if (fb
->funcs
->dirty
) {
2366 ret
= fb
->funcs
->dirty(fb
, file_priv
, flags
, r
->color
,
2376 mutex_unlock(&dev
->mode_config
.mutex
);
2382 * drm_fb_release - remove and free the FBs on this file
2383 * @filp: file * from the ioctl
2386 * Takes mode config lock.
2388 * Destroy all the FBs associated with @filp.
2390 * Called by the user via ioctl.
2393 * Zero on success, errno on failure.
2395 void drm_fb_release(struct drm_file
*priv
)
2397 struct drm_device
*dev
= priv
->minor
->dev
;
2398 struct drm_framebuffer
*fb
, *tfb
;
2400 mutex_lock(&dev
->mode_config
.mutex
);
2401 list_for_each_entry_safe(fb
, tfb
, &priv
->fbs
, filp_head
) {
2402 list_del(&fb
->filp_head
);
2403 fb
->funcs
->destroy(fb
);
2405 mutex_unlock(&dev
->mode_config
.mutex
);
2409 * drm_mode_attachmode - add a mode to the user mode list
2411 * @connector: connector to add the mode to
2412 * @mode: mode to add
2414 * Add @mode to @connector's user mode list.
2416 static void drm_mode_attachmode(struct drm_device
*dev
,
2417 struct drm_connector
*connector
,
2418 struct drm_display_mode
*mode
)
2420 list_add_tail(&mode
->head
, &connector
->user_modes
);
2423 int drm_mode_attachmode_crtc(struct drm_device
*dev
, struct drm_crtc
*crtc
,
2424 const struct drm_display_mode
*mode
)
2426 struct drm_connector
*connector
;
2428 struct drm_display_mode
*dup_mode
, *next
;
2431 list_for_each_entry(connector
, &dev
->mode_config
.connector_list
, head
) {
2432 if (!connector
->encoder
)
2434 if (connector
->encoder
->crtc
== crtc
) {
2435 dup_mode
= drm_mode_duplicate(dev
, mode
);
2440 list_add_tail(&dup_mode
->head
, &list
);
2444 list_for_each_entry(connector
, &dev
->mode_config
.connector_list
, head
) {
2445 if (!connector
->encoder
)
2447 if (connector
->encoder
->crtc
== crtc
)
2448 list_move_tail(list
.next
, &connector
->user_modes
);
2451 WARN_ON(!list_empty(&list
));
2454 list_for_each_entry_safe(dup_mode
, next
, &list
, head
)
2455 drm_mode_destroy(dev
, dup_mode
);
2459 EXPORT_SYMBOL(drm_mode_attachmode_crtc
);
2461 static int drm_mode_detachmode(struct drm_device
*dev
,
2462 struct drm_connector
*connector
,
2463 struct drm_display_mode
*mode
)
2467 struct drm_display_mode
*match_mode
, *t
;
2469 list_for_each_entry_safe(match_mode
, t
, &connector
->user_modes
, head
) {
2470 if (drm_mode_equal(match_mode
, mode
)) {
2471 list_del(&match_mode
->head
);
2472 drm_mode_destroy(dev
, match_mode
);
2484 int drm_mode_detachmode_crtc(struct drm_device
*dev
, struct drm_display_mode
*mode
)
2486 struct drm_connector
*connector
;
2488 list_for_each_entry(connector
, &dev
->mode_config
.connector_list
, head
) {
2489 drm_mode_detachmode(dev
, connector
, mode
);
2493 EXPORT_SYMBOL(drm_mode_detachmode_crtc
);
2496 * drm_fb_attachmode - Attach a user mode to an connector
2497 * @inode: inode from the ioctl
2498 * @filp: file * from the ioctl
2499 * @cmd: cmd from ioctl
2500 * @arg: arg from ioctl
2502 * This attaches a user specified mode to an connector.
2503 * Called by the user via ioctl.
2506 * Zero on success, errno on failure.
2508 int drm_mode_attachmode_ioctl(struct drm_device
*dev
,
2509 void *data
, struct drm_file
*file_priv
)
2511 struct drm_mode_mode_cmd
*mode_cmd
= data
;
2512 struct drm_connector
*connector
;
2513 struct drm_display_mode
*mode
;
2514 struct drm_mode_object
*obj
;
2515 struct drm_mode_modeinfo
*umode
= &mode_cmd
->mode
;
2518 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
2521 mutex_lock(&dev
->mode_config
.mutex
);
2523 obj
= drm_mode_object_find(dev
, mode_cmd
->connector_id
, DRM_MODE_OBJECT_CONNECTOR
);
2528 connector
= obj_to_connector(obj
);
2530 mode
= drm_mode_create(dev
);
2536 ret
= drm_crtc_convert_umode(mode
, umode
);
2538 DRM_DEBUG_KMS("Invalid mode\n");
2539 drm_mode_destroy(dev
, mode
);
2543 drm_mode_attachmode(dev
, connector
, mode
);
2545 mutex_unlock(&dev
->mode_config
.mutex
);
2551 * drm_fb_detachmode - Detach a user specified mode from an connector
2552 * @inode: inode from the ioctl
2553 * @filp: file * from the ioctl
2554 * @cmd: cmd from ioctl
2555 * @arg: arg from ioctl
2557 * Called by the user via ioctl.
2560 * Zero on success, errno on failure.
2562 int drm_mode_detachmode_ioctl(struct drm_device
*dev
,
2563 void *data
, struct drm_file
*file_priv
)
2565 struct drm_mode_object
*obj
;
2566 struct drm_mode_mode_cmd
*mode_cmd
= data
;
2567 struct drm_connector
*connector
;
2568 struct drm_display_mode mode
;
2569 struct drm_mode_modeinfo
*umode
= &mode_cmd
->mode
;
2572 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
2575 mutex_lock(&dev
->mode_config
.mutex
);
2577 obj
= drm_mode_object_find(dev
, mode_cmd
->connector_id
, DRM_MODE_OBJECT_CONNECTOR
);
2582 connector
= obj_to_connector(obj
);
2584 ret
= drm_crtc_convert_umode(&mode
, umode
);
2586 DRM_DEBUG_KMS("Invalid mode\n");
2590 ret
= drm_mode_detachmode(dev
, connector
, &mode
);
2592 mutex_unlock(&dev
->mode_config
.mutex
);
2596 struct drm_property
*drm_property_create(struct drm_device
*dev
, int flags
,
2597 const char *name
, int num_values
)
2599 struct drm_property
*property
= NULL
;
2601 property
= kzalloc(sizeof(struct drm_property
), GFP_KERNEL
);
2606 property
->values
= kzalloc(sizeof(uint64_t)*num_values
, GFP_KERNEL
);
2607 if (!property
->values
)
2611 drm_mode_object_get(dev
, &property
->base
, DRM_MODE_OBJECT_PROPERTY
);
2612 property
->flags
= flags
;
2613 property
->num_values
= num_values
;
2614 INIT_LIST_HEAD(&property
->enum_blob_list
);
2617 strncpy(property
->name
, name
, DRM_PROP_NAME_LEN
);
2618 property
->name
[DRM_PROP_NAME_LEN
-1] = '\0';
2621 list_add_tail(&property
->head
, &dev
->mode_config
.property_list
);
2627 EXPORT_SYMBOL(drm_property_create
);
2629 struct drm_property
*drm_property_create_enum(struct drm_device
*dev
, int flags
,
2631 const struct drm_prop_enum_list
*props
,
2634 struct drm_property
*property
;
2637 flags
|= DRM_MODE_PROP_ENUM
;
2639 property
= drm_property_create(dev
, flags
, name
, num_values
);
2643 for (i
= 0; i
< num_values
; i
++) {
2644 ret
= drm_property_add_enum(property
, i
,
2648 drm_property_destroy(dev
, property
);
2655 EXPORT_SYMBOL(drm_property_create_enum
);
2657 struct drm_property
*drm_property_create_range(struct drm_device
*dev
, int flags
,
2659 uint64_t min
, uint64_t max
)
2661 struct drm_property
*property
;
2663 flags
|= DRM_MODE_PROP_RANGE
;
2665 property
= drm_property_create(dev
, flags
, name
, 2);
2669 property
->values
[0] = min
;
2670 property
->values
[1] = max
;
2674 EXPORT_SYMBOL(drm_property_create_range
);
2676 int drm_property_add_enum(struct drm_property
*property
, int index
,
2677 uint64_t value
, const char *name
)
2679 struct drm_property_enum
*prop_enum
;
2681 if (!(property
->flags
& DRM_MODE_PROP_ENUM
))
2684 if (!list_empty(&property
->enum_blob_list
)) {
2685 list_for_each_entry(prop_enum
, &property
->enum_blob_list
, head
) {
2686 if (prop_enum
->value
== value
) {
2687 strncpy(prop_enum
->name
, name
, DRM_PROP_NAME_LEN
);
2688 prop_enum
->name
[DRM_PROP_NAME_LEN
-1] = '\0';
2694 prop_enum
= kzalloc(sizeof(struct drm_property_enum
), GFP_KERNEL
);
2698 strncpy(prop_enum
->name
, name
, DRM_PROP_NAME_LEN
);
2699 prop_enum
->name
[DRM_PROP_NAME_LEN
-1] = '\0';
2700 prop_enum
->value
= value
;
2702 property
->values
[index
] = value
;
2703 list_add_tail(&prop_enum
->head
, &property
->enum_blob_list
);
2706 EXPORT_SYMBOL(drm_property_add_enum
);
2708 void drm_property_destroy(struct drm_device
*dev
, struct drm_property
*property
)
2710 struct drm_property_enum
*prop_enum
, *pt
;
2712 list_for_each_entry_safe(prop_enum
, pt
, &property
->enum_blob_list
, head
) {
2713 list_del(&prop_enum
->head
);
2717 if (property
->num_values
)
2718 kfree(property
->values
);
2719 drm_mode_object_put(dev
, &property
->base
);
2720 list_del(&property
->head
);
2723 EXPORT_SYMBOL(drm_property_destroy
);
2725 int drm_connector_attach_property(struct drm_connector
*connector
,
2726 struct drm_property
*property
, uint64_t init_val
)
2730 for (i
= 0; i
< DRM_CONNECTOR_MAX_PROPERTY
; i
++) {
2731 if (connector
->property_ids
[i
] == 0) {
2732 connector
->property_ids
[i
] = property
->base
.id
;
2733 connector
->property_values
[i
] = init_val
;
2738 if (i
== DRM_CONNECTOR_MAX_PROPERTY
)
2742 EXPORT_SYMBOL(drm_connector_attach_property
);
2744 int drm_connector_property_set_value(struct drm_connector
*connector
,
2745 struct drm_property
*property
, uint64_t value
)
2749 for (i
= 0; i
< DRM_CONNECTOR_MAX_PROPERTY
; i
++) {
2750 if (connector
->property_ids
[i
] == property
->base
.id
) {
2751 connector
->property_values
[i
] = value
;
2756 if (i
== DRM_CONNECTOR_MAX_PROPERTY
)
2760 EXPORT_SYMBOL(drm_connector_property_set_value
);
2762 int drm_connector_property_get_value(struct drm_connector
*connector
,
2763 struct drm_property
*property
, uint64_t *val
)
2767 for (i
= 0; i
< DRM_CONNECTOR_MAX_PROPERTY
; i
++) {
2768 if (connector
->property_ids
[i
] == property
->base
.id
) {
2769 *val
= connector
->property_values
[i
];
2774 if (i
== DRM_CONNECTOR_MAX_PROPERTY
)
2778 EXPORT_SYMBOL(drm_connector_property_get_value
);
2780 int drm_mode_getproperty_ioctl(struct drm_device
*dev
,
2781 void *data
, struct drm_file
*file_priv
)
2783 struct drm_mode_object
*obj
;
2784 struct drm_mode_get_property
*out_resp
= data
;
2785 struct drm_property
*property
;
2788 int value_count
= 0;
2791 struct drm_property_enum
*prop_enum
;
2792 struct drm_mode_property_enum __user
*enum_ptr
;
2793 struct drm_property_blob
*prop_blob
;
2794 uint32_t __user
*blob_id_ptr
;
2795 uint64_t __user
*values_ptr
;
2796 uint32_t __user
*blob_length_ptr
;
2798 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
2801 mutex_lock(&dev
->mode_config
.mutex
);
2802 obj
= drm_mode_object_find(dev
, out_resp
->prop_id
, DRM_MODE_OBJECT_PROPERTY
);
2807 property
= obj_to_property(obj
);
2809 if (property
->flags
& DRM_MODE_PROP_ENUM
) {
2810 list_for_each_entry(prop_enum
, &property
->enum_blob_list
, head
)
2812 } else if (property
->flags
& DRM_MODE_PROP_BLOB
) {
2813 list_for_each_entry(prop_blob
, &property
->enum_blob_list
, head
)
2817 value_count
= property
->num_values
;
2819 strncpy(out_resp
->name
, property
->name
, DRM_PROP_NAME_LEN
);
2820 out_resp
->name
[DRM_PROP_NAME_LEN
-1] = 0;
2821 out_resp
->flags
= property
->flags
;
2823 if ((out_resp
->count_values
>= value_count
) && value_count
) {
2824 values_ptr
= (uint64_t __user
*)(unsigned long)out_resp
->values_ptr
;
2825 for (i
= 0; i
< value_count
; i
++) {
2826 if (copy_to_user(values_ptr
+ i
, &property
->values
[i
], sizeof(uint64_t))) {
2832 out_resp
->count_values
= value_count
;
2834 if (property
->flags
& DRM_MODE_PROP_ENUM
) {
2835 if ((out_resp
->count_enum_blobs
>= enum_count
) && enum_count
) {
2837 enum_ptr
= (struct drm_mode_property_enum __user
*)(unsigned long)out_resp
->enum_blob_ptr
;
2838 list_for_each_entry(prop_enum
, &property
->enum_blob_list
, head
) {
2840 if (copy_to_user(&enum_ptr
[copied
].value
, &prop_enum
->value
, sizeof(uint64_t))) {
2845 if (copy_to_user(&enum_ptr
[copied
].name
,
2846 &prop_enum
->name
, DRM_PROP_NAME_LEN
)) {
2853 out_resp
->count_enum_blobs
= enum_count
;
2856 if (property
->flags
& DRM_MODE_PROP_BLOB
) {
2857 if ((out_resp
->count_enum_blobs
>= blob_count
) && blob_count
) {
2859 blob_id_ptr
= (uint32_t __user
*)(unsigned long)out_resp
->enum_blob_ptr
;
2860 blob_length_ptr
= (uint32_t __user
*)(unsigned long)out_resp
->values_ptr
;
2862 list_for_each_entry(prop_blob
, &property
->enum_blob_list
, head
) {
2863 if (put_user(prop_blob
->base
.id
, blob_id_ptr
+ copied
)) {
2868 if (put_user(prop_blob
->length
, blob_length_ptr
+ copied
)) {
2876 out_resp
->count_enum_blobs
= blob_count
;
2879 mutex_unlock(&dev
->mode_config
.mutex
);
2883 static struct drm_property_blob
*drm_property_create_blob(struct drm_device
*dev
, int length
,
2886 struct drm_property_blob
*blob
;
2888 if (!length
|| !data
)
2891 blob
= kzalloc(sizeof(struct drm_property_blob
)+length
, GFP_KERNEL
);
2895 blob
->data
= (void *)((char *)blob
+ sizeof(struct drm_property_blob
));
2896 blob
->length
= length
;
2898 memcpy(blob
->data
, data
, length
);
2900 drm_mode_object_get(dev
, &blob
->base
, DRM_MODE_OBJECT_BLOB
);
2902 list_add_tail(&blob
->head
, &dev
->mode_config
.property_blob_list
);
2906 static void drm_property_destroy_blob(struct drm_device
*dev
,
2907 struct drm_property_blob
*blob
)
2909 drm_mode_object_put(dev
, &blob
->base
);
2910 list_del(&blob
->head
);
2914 int drm_mode_getblob_ioctl(struct drm_device
*dev
,
2915 void *data
, struct drm_file
*file_priv
)
2917 struct drm_mode_object
*obj
;
2918 struct drm_mode_get_blob
*out_resp
= data
;
2919 struct drm_property_blob
*blob
;
2921 void __user
*blob_ptr
;
2923 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
2926 mutex_lock(&dev
->mode_config
.mutex
);
2927 obj
= drm_mode_object_find(dev
, out_resp
->blob_id
, DRM_MODE_OBJECT_BLOB
);
2932 blob
= obj_to_blob(obj
);
2934 if (out_resp
->length
== blob
->length
) {
2935 blob_ptr
= (void __user
*)(unsigned long)out_resp
->data
;
2936 if (copy_to_user(blob_ptr
, blob
->data
, blob
->length
)){
2941 out_resp
->length
= blob
->length
;
2944 mutex_unlock(&dev
->mode_config
.mutex
);
2948 int drm_mode_connector_update_edid_property(struct drm_connector
*connector
,
2951 struct drm_device
*dev
= connector
->dev
;
2954 if (connector
->edid_blob_ptr
)
2955 drm_property_destroy_blob(dev
, connector
->edid_blob_ptr
);
2957 /* Delete edid, when there is none. */
2959 connector
->edid_blob_ptr
= NULL
;
2960 ret
= drm_connector_property_set_value(connector
, dev
->mode_config
.edid_property
, 0);
2964 size
= EDID_LENGTH
* (1 + edid
->extensions
);
2965 connector
->edid_blob_ptr
= drm_property_create_blob(connector
->dev
,
2968 ret
= drm_connector_property_set_value(connector
,
2969 dev
->mode_config
.edid_property
,
2970 connector
->edid_blob_ptr
->base
.id
);
2974 EXPORT_SYMBOL(drm_mode_connector_update_edid_property
);
2976 int drm_mode_connector_property_set_ioctl(struct drm_device
*dev
,
2977 void *data
, struct drm_file
*file_priv
)
2979 struct drm_mode_connector_set_property
*out_resp
= data
;
2980 struct drm_mode_object
*obj
;
2981 struct drm_property
*property
;
2982 struct drm_connector
*connector
;
2986 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
2989 mutex_lock(&dev
->mode_config
.mutex
);
2991 obj
= drm_mode_object_find(dev
, out_resp
->connector_id
, DRM_MODE_OBJECT_CONNECTOR
);
2995 connector
= obj_to_connector(obj
);
2997 for (i
= 0; i
< DRM_CONNECTOR_MAX_PROPERTY
; i
++) {
2998 if (connector
->property_ids
[i
] == out_resp
->prop_id
)
3002 if (i
== DRM_CONNECTOR_MAX_PROPERTY
) {
3006 obj
= drm_mode_object_find(dev
, out_resp
->prop_id
, DRM_MODE_OBJECT_PROPERTY
);
3010 property
= obj_to_property(obj
);
3012 if (property
->flags
& DRM_MODE_PROP_IMMUTABLE
)
3015 if (property
->flags
& DRM_MODE_PROP_RANGE
) {
3016 if (out_resp
->value
< property
->values
[0])
3019 if (out_resp
->value
> property
->values
[1])
3023 for (i
= 0; i
< property
->num_values
; i
++) {
3024 if (property
->values
[i
] == out_resp
->value
) {
3034 /* Do DPMS ourselves */
3035 if (property
== connector
->dev
->mode_config
.dpms_property
) {
3036 if (connector
->funcs
->dpms
)
3037 (*connector
->funcs
->dpms
)(connector
, (int) out_resp
->value
);
3039 } else if (connector
->funcs
->set_property
)
3040 ret
= connector
->funcs
->set_property(connector
, property
, out_resp
->value
);
3042 /* store the property value if successful */
3044 drm_connector_property_set_value(connector
, property
, out_resp
->value
);
3046 mutex_unlock(&dev
->mode_config
.mutex
);
3050 int drm_mode_connector_attach_encoder(struct drm_connector
*connector
,
3051 struct drm_encoder
*encoder
)
3055 for (i
= 0; i
< DRM_CONNECTOR_MAX_ENCODER
; i
++) {
3056 if (connector
->encoder_ids
[i
] == 0) {
3057 connector
->encoder_ids
[i
] = encoder
->base
.id
;
3063 EXPORT_SYMBOL(drm_mode_connector_attach_encoder
);
3065 void drm_mode_connector_detach_encoder(struct drm_connector
*connector
,
3066 struct drm_encoder
*encoder
)
3069 for (i
= 0; i
< DRM_CONNECTOR_MAX_ENCODER
; i
++) {
3070 if (connector
->encoder_ids
[i
] == encoder
->base
.id
) {
3071 connector
->encoder_ids
[i
] = 0;
3072 if (connector
->encoder
== encoder
)
3073 connector
->encoder
= NULL
;
3078 EXPORT_SYMBOL(drm_mode_connector_detach_encoder
);
3080 int drm_mode_crtc_set_gamma_size(struct drm_crtc
*crtc
,
3083 crtc
->gamma_size
= gamma_size
;
3085 crtc
->gamma_store
= kzalloc(gamma_size
* sizeof(uint16_t) * 3, GFP_KERNEL
);
3086 if (!crtc
->gamma_store
) {
3087 crtc
->gamma_size
= 0;
3093 EXPORT_SYMBOL(drm_mode_crtc_set_gamma_size
);
3095 int drm_mode_gamma_set_ioctl(struct drm_device
*dev
,
3096 void *data
, struct drm_file
*file_priv
)
3098 struct drm_mode_crtc_lut
*crtc_lut
= data
;
3099 struct drm_mode_object
*obj
;
3100 struct drm_crtc
*crtc
;
3101 void *r_base
, *g_base
, *b_base
;
3105 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
3108 mutex_lock(&dev
->mode_config
.mutex
);
3109 obj
= drm_mode_object_find(dev
, crtc_lut
->crtc_id
, DRM_MODE_OBJECT_CRTC
);
3114 crtc
= obj_to_crtc(obj
);
3116 /* memcpy into gamma store */
3117 if (crtc_lut
->gamma_size
!= crtc
->gamma_size
) {
3122 size
= crtc_lut
->gamma_size
* (sizeof(uint16_t));
3123 r_base
= crtc
->gamma_store
;
3124 if (copy_from_user(r_base
, (void __user
*)(unsigned long)crtc_lut
->red
, size
)) {
3129 g_base
= r_base
+ size
;
3130 if (copy_from_user(g_base
, (void __user
*)(unsigned long)crtc_lut
->green
, size
)) {
3135 b_base
= g_base
+ size
;
3136 if (copy_from_user(b_base
, (void __user
*)(unsigned long)crtc_lut
->blue
, size
)) {
3141 crtc
->funcs
->gamma_set(crtc
, r_base
, g_base
, b_base
, 0, crtc
->gamma_size
);
3144 mutex_unlock(&dev
->mode_config
.mutex
);
3149 int drm_mode_gamma_get_ioctl(struct drm_device
*dev
,
3150 void *data
, struct drm_file
*file_priv
)
3152 struct drm_mode_crtc_lut
*crtc_lut
= data
;
3153 struct drm_mode_object
*obj
;
3154 struct drm_crtc
*crtc
;
3155 void *r_base
, *g_base
, *b_base
;
3159 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
3162 mutex_lock(&dev
->mode_config
.mutex
);
3163 obj
= drm_mode_object_find(dev
, crtc_lut
->crtc_id
, DRM_MODE_OBJECT_CRTC
);
3168 crtc
= obj_to_crtc(obj
);
3170 /* memcpy into gamma store */
3171 if (crtc_lut
->gamma_size
!= crtc
->gamma_size
) {
3176 size
= crtc_lut
->gamma_size
* (sizeof(uint16_t));
3177 r_base
= crtc
->gamma_store
;
3178 if (copy_to_user((void __user
*)(unsigned long)crtc_lut
->red
, r_base
, size
)) {
3183 g_base
= r_base
+ size
;
3184 if (copy_to_user((void __user
*)(unsigned long)crtc_lut
->green
, g_base
, size
)) {
3189 b_base
= g_base
+ size
;
3190 if (copy_to_user((void __user
*)(unsigned long)crtc_lut
->blue
, b_base
, size
)) {
3195 mutex_unlock(&dev
->mode_config
.mutex
);
3199 int drm_mode_page_flip_ioctl(struct drm_device
*dev
,
3200 void *data
, struct drm_file
*file_priv
)
3202 struct drm_mode_crtc_page_flip
*page_flip
= data
;
3203 struct drm_mode_object
*obj
;
3204 struct drm_crtc
*crtc
;
3205 struct drm_framebuffer
*fb
;
3206 struct drm_pending_vblank_event
*e
= NULL
;
3207 unsigned long flags
;
3210 if (page_flip
->flags
& ~DRM_MODE_PAGE_FLIP_FLAGS
||
3211 page_flip
->reserved
!= 0)
3214 mutex_lock(&dev
->mode_config
.mutex
);
3215 obj
= drm_mode_object_find(dev
, page_flip
->crtc_id
, DRM_MODE_OBJECT_CRTC
);
3218 crtc
= obj_to_crtc(obj
);
3220 if (crtc
->fb
== NULL
) {
3221 /* The framebuffer is currently unbound, presumably
3222 * due to a hotplug event, that userspace has not
3229 if (crtc
->funcs
->page_flip
== NULL
)
3232 obj
= drm_mode_object_find(dev
, page_flip
->fb_id
, DRM_MODE_OBJECT_FB
);
3235 fb
= obj_to_fb(obj
);
3237 if (crtc
->mode
.hdisplay
> fb
->width
||
3238 crtc
->mode
.vdisplay
> fb
->height
||
3239 crtc
->x
> fb
->width
- crtc
->mode
.hdisplay
||
3240 crtc
->y
> fb
->height
- crtc
->mode
.vdisplay
) {
3241 DRM_DEBUG_KMS("Invalid fb size %ux%u for CRTC viewport %ux%u+%d+%d.\n",
3242 fb
->width
, fb
->height
,
3243 crtc
->mode
.hdisplay
, crtc
->mode
.vdisplay
,
3249 if (page_flip
->flags
& DRM_MODE_PAGE_FLIP_EVENT
) {
3251 spin_lock_irqsave(&dev
->event_lock
, flags
);
3252 if (file_priv
->event_space
< sizeof e
->event
) {
3253 spin_unlock_irqrestore(&dev
->event_lock
, flags
);
3256 file_priv
->event_space
-= sizeof e
->event
;
3257 spin_unlock_irqrestore(&dev
->event_lock
, flags
);
3259 e
= kzalloc(sizeof *e
, GFP_KERNEL
);
3261 spin_lock_irqsave(&dev
->event_lock
, flags
);
3262 file_priv
->event_space
+= sizeof e
->event
;
3263 spin_unlock_irqrestore(&dev
->event_lock
, flags
);
3267 e
->event
.base
.type
= DRM_EVENT_FLIP_COMPLETE
;
3268 e
->event
.base
.length
= sizeof e
->event
;
3269 e
->event
.user_data
= page_flip
->user_data
;
3270 e
->base
.event
= &e
->event
.base
;
3271 e
->base
.file_priv
= file_priv
;
3273 (void (*) (struct drm_pending_event
*)) kfree
;
3276 ret
= crtc
->funcs
->page_flip(crtc
, fb
, e
);
3278 spin_lock_irqsave(&dev
->event_lock
, flags
);
3279 file_priv
->event_space
+= sizeof e
->event
;
3280 spin_unlock_irqrestore(&dev
->event_lock
, flags
);
3285 mutex_unlock(&dev
->mode_config
.mutex
);
3289 void drm_mode_config_reset(struct drm_device
*dev
)
3291 struct drm_crtc
*crtc
;
3292 struct drm_encoder
*encoder
;
3293 struct drm_connector
*connector
;
3295 list_for_each_entry(crtc
, &dev
->mode_config
.crtc_list
, head
)
3296 if (crtc
->funcs
->reset
)
3297 crtc
->funcs
->reset(crtc
);
3299 list_for_each_entry(encoder
, &dev
->mode_config
.encoder_list
, head
)
3300 if (encoder
->funcs
->reset
)
3301 encoder
->funcs
->reset(encoder
);
3303 list_for_each_entry(connector
, &dev
->mode_config
.connector_list
, head
)
3304 if (connector
->funcs
->reset
)
3305 connector
->funcs
->reset(connector
);
3307 EXPORT_SYMBOL(drm_mode_config_reset
);
3309 int drm_mode_create_dumb_ioctl(struct drm_device
*dev
,
3310 void *data
, struct drm_file
*file_priv
)
3312 struct drm_mode_create_dumb
*args
= data
;
3314 if (!dev
->driver
->dumb_create
)
3316 return dev
->driver
->dumb_create(file_priv
, dev
, args
);
3319 int drm_mode_mmap_dumb_ioctl(struct drm_device
*dev
,
3320 void *data
, struct drm_file
*file_priv
)
3322 struct drm_mode_map_dumb
*args
= data
;
3324 /* call driver ioctl to get mmap offset */
3325 if (!dev
->driver
->dumb_map_offset
)
3328 return dev
->driver
->dumb_map_offset(file_priv
, dev
, args
->handle
, &args
->offset
);
3331 int drm_mode_destroy_dumb_ioctl(struct drm_device
*dev
,
3332 void *data
, struct drm_file
*file_priv
)
3334 struct drm_mode_destroy_dumb
*args
= data
;
3336 if (!dev
->driver
->dumb_destroy
)
3339 return dev
->driver
->dumb_destroy(file_priv
, dev
, args
->handle
);
3343 * Just need to support RGB formats here for compat with code that doesn't
3344 * use pixel formats directly yet.
3346 void drm_fb_get_bpp_depth(uint32_t format
, unsigned int *depth
,
3350 case DRM_FORMAT_RGB332
:
3351 case DRM_FORMAT_BGR233
:
3355 case DRM_FORMAT_XRGB1555
:
3356 case DRM_FORMAT_XBGR1555
:
3357 case DRM_FORMAT_RGBX5551
:
3358 case DRM_FORMAT_BGRX5551
:
3359 case DRM_FORMAT_ARGB1555
:
3360 case DRM_FORMAT_ABGR1555
:
3361 case DRM_FORMAT_RGBA5551
:
3362 case DRM_FORMAT_BGRA5551
:
3366 case DRM_FORMAT_RGB565
:
3367 case DRM_FORMAT_BGR565
:
3371 case DRM_FORMAT_RGB888
:
3372 case DRM_FORMAT_BGR888
:
3376 case DRM_FORMAT_XRGB8888
:
3377 case DRM_FORMAT_XBGR8888
:
3378 case DRM_FORMAT_RGBX8888
:
3379 case DRM_FORMAT_BGRX8888
:
3383 case DRM_FORMAT_XRGB2101010
:
3384 case DRM_FORMAT_XBGR2101010
:
3385 case DRM_FORMAT_RGBX1010102
:
3386 case DRM_FORMAT_BGRX1010102
:
3387 case DRM_FORMAT_ARGB2101010
:
3388 case DRM_FORMAT_ABGR2101010
:
3389 case DRM_FORMAT_RGBA1010102
:
3390 case DRM_FORMAT_BGRA1010102
:
3394 case DRM_FORMAT_ARGB8888
:
3395 case DRM_FORMAT_ABGR8888
:
3396 case DRM_FORMAT_RGBA8888
:
3397 case DRM_FORMAT_BGRA8888
:
3402 DRM_DEBUG_KMS("unsupported pixel format\n");
3408 EXPORT_SYMBOL(drm_fb_get_bpp_depth
);