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 WARN(in
->hdisplay
> USHRT_MAX
|| in
->hsync_start
> USHRT_MAX
||
1006 in
->hsync_end
> USHRT_MAX
|| in
->htotal
> USHRT_MAX
||
1007 in
->hskew
> USHRT_MAX
|| in
->vdisplay
> USHRT_MAX
||
1008 in
->vsync_start
> USHRT_MAX
|| in
->vsync_end
> USHRT_MAX
||
1009 in
->vtotal
> USHRT_MAX
|| in
->vscan
> USHRT_MAX
,
1010 "timing values too large for mode info\n");
1012 out
->clock
= in
->clock
;
1013 out
->hdisplay
= in
->hdisplay
;
1014 out
->hsync_start
= in
->hsync_start
;
1015 out
->hsync_end
= in
->hsync_end
;
1016 out
->htotal
= in
->htotal
;
1017 out
->hskew
= in
->hskew
;
1018 out
->vdisplay
= in
->vdisplay
;
1019 out
->vsync_start
= in
->vsync_start
;
1020 out
->vsync_end
= in
->vsync_end
;
1021 out
->vtotal
= in
->vtotal
;
1022 out
->vscan
= in
->vscan
;
1023 out
->vrefresh
= in
->vrefresh
;
1024 out
->flags
= in
->flags
;
1025 out
->type
= in
->type
;
1026 strncpy(out
->name
, in
->name
, DRM_DISPLAY_MODE_LEN
);
1027 out
->name
[DRM_DISPLAY_MODE_LEN
-1] = 0;
1031 * drm_crtc_convert_to_umode - convert a modeinfo into a drm_display_mode
1032 * @out: drm_display_mode to return to the user
1033 * @in: drm_mode_modeinfo to use
1038 * Convert a drm_mode_modeinfo into a drm_display_mode structure to return to
1041 void drm_crtc_convert_umode(struct drm_display_mode
*out
,
1042 struct drm_mode_modeinfo
*in
)
1044 out
->clock
= in
->clock
;
1045 out
->hdisplay
= in
->hdisplay
;
1046 out
->hsync_start
= in
->hsync_start
;
1047 out
->hsync_end
= in
->hsync_end
;
1048 out
->htotal
= in
->htotal
;
1049 out
->hskew
= in
->hskew
;
1050 out
->vdisplay
= in
->vdisplay
;
1051 out
->vsync_start
= in
->vsync_start
;
1052 out
->vsync_end
= in
->vsync_end
;
1053 out
->vtotal
= in
->vtotal
;
1054 out
->vscan
= in
->vscan
;
1055 out
->vrefresh
= in
->vrefresh
;
1056 out
->flags
= in
->flags
;
1057 out
->type
= in
->type
;
1058 strncpy(out
->name
, in
->name
, DRM_DISPLAY_MODE_LEN
);
1059 out
->name
[DRM_DISPLAY_MODE_LEN
-1] = 0;
1063 * drm_mode_getresources - get graphics configuration
1064 * @inode: inode from the ioctl
1065 * @filp: file * from the ioctl
1066 * @cmd: cmd from ioctl
1067 * @arg: arg from ioctl
1070 * Takes mode config lock.
1072 * Construct a set of configuration description structures and return
1073 * them to the user, including CRTC, connector and framebuffer configuration.
1075 * Called by the user via ioctl.
1078 * Zero on success, errno on failure.
1080 int drm_mode_getresources(struct drm_device
*dev
, void *data
,
1081 struct drm_file
*file_priv
)
1083 struct drm_mode_card_res
*card_res
= data
;
1084 struct list_head
*lh
;
1085 struct drm_framebuffer
*fb
;
1086 struct drm_connector
*connector
;
1087 struct drm_crtc
*crtc
;
1088 struct drm_encoder
*encoder
;
1090 int connector_count
= 0;
1093 int encoder_count
= 0;
1095 uint32_t __user
*fb_id
;
1096 uint32_t __user
*crtc_id
;
1097 uint32_t __user
*connector_id
;
1098 uint32_t __user
*encoder_id
;
1099 struct drm_mode_group
*mode_group
;
1101 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
1104 mutex_lock(&dev
->mode_config
.mutex
);
1107 * For the non-control nodes we need to limit the list of resources
1108 * by IDs in the group list for this node
1110 list_for_each(lh
, &file_priv
->fbs
)
1113 mode_group
= &file_priv
->master
->minor
->mode_group
;
1114 if (file_priv
->master
->minor
->type
== DRM_MINOR_CONTROL
) {
1116 list_for_each(lh
, &dev
->mode_config
.crtc_list
)
1119 list_for_each(lh
, &dev
->mode_config
.connector_list
)
1122 list_for_each(lh
, &dev
->mode_config
.encoder_list
)
1126 crtc_count
= mode_group
->num_crtcs
;
1127 connector_count
= mode_group
->num_connectors
;
1128 encoder_count
= mode_group
->num_encoders
;
1131 card_res
->max_height
= dev
->mode_config
.max_height
;
1132 card_res
->min_height
= dev
->mode_config
.min_height
;
1133 card_res
->max_width
= dev
->mode_config
.max_width
;
1134 card_res
->min_width
= dev
->mode_config
.min_width
;
1136 /* handle this in 4 parts */
1138 if (card_res
->count_fbs
>= fb_count
) {
1140 fb_id
= (uint32_t __user
*)(unsigned long)card_res
->fb_id_ptr
;
1141 list_for_each_entry(fb
, &file_priv
->fbs
, filp_head
) {
1142 if (put_user(fb
->base
.id
, fb_id
+ copied
)) {
1149 card_res
->count_fbs
= fb_count
;
1152 if (card_res
->count_crtcs
>= crtc_count
) {
1154 crtc_id
= (uint32_t __user
*)(unsigned long)card_res
->crtc_id_ptr
;
1155 if (file_priv
->master
->minor
->type
== DRM_MINOR_CONTROL
) {
1156 list_for_each_entry(crtc
, &dev
->mode_config
.crtc_list
,
1158 DRM_DEBUG_KMS("[CRTC:%d]\n", crtc
->base
.id
);
1159 if (put_user(crtc
->base
.id
, crtc_id
+ copied
)) {
1166 for (i
= 0; i
< mode_group
->num_crtcs
; i
++) {
1167 if (put_user(mode_group
->id_list
[i
],
1168 crtc_id
+ copied
)) {
1176 card_res
->count_crtcs
= crtc_count
;
1179 if (card_res
->count_encoders
>= encoder_count
) {
1181 encoder_id
= (uint32_t __user
*)(unsigned long)card_res
->encoder_id_ptr
;
1182 if (file_priv
->master
->minor
->type
== DRM_MINOR_CONTROL
) {
1183 list_for_each_entry(encoder
,
1184 &dev
->mode_config
.encoder_list
,
1186 DRM_DEBUG_KMS("[ENCODER:%d:%s]\n", encoder
->base
.id
,
1187 drm_get_encoder_name(encoder
));
1188 if (put_user(encoder
->base
.id
, encoder_id
+
1196 for (i
= mode_group
->num_crtcs
; i
< mode_group
->num_crtcs
+ mode_group
->num_encoders
; i
++) {
1197 if (put_user(mode_group
->id_list
[i
],
1198 encoder_id
+ copied
)) {
1207 card_res
->count_encoders
= encoder_count
;
1210 if (card_res
->count_connectors
>= connector_count
) {
1212 connector_id
= (uint32_t __user
*)(unsigned long)card_res
->connector_id_ptr
;
1213 if (file_priv
->master
->minor
->type
== DRM_MINOR_CONTROL
) {
1214 list_for_each_entry(connector
,
1215 &dev
->mode_config
.connector_list
,
1217 DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
1219 drm_get_connector_name(connector
));
1220 if (put_user(connector
->base
.id
,
1221 connector_id
+ copied
)) {
1228 int start
= mode_group
->num_crtcs
+
1229 mode_group
->num_encoders
;
1230 for (i
= start
; i
< start
+ mode_group
->num_connectors
; i
++) {
1231 if (put_user(mode_group
->id_list
[i
],
1232 connector_id
+ copied
)) {
1240 card_res
->count_connectors
= connector_count
;
1242 DRM_DEBUG_KMS("CRTC[%d] CONNECTORS[%d] ENCODERS[%d]\n", card_res
->count_crtcs
,
1243 card_res
->count_connectors
, card_res
->count_encoders
);
1246 mutex_unlock(&dev
->mode_config
.mutex
);
1251 * drm_mode_getcrtc - get CRTC configuration
1252 * @inode: inode from the ioctl
1253 * @filp: file * from the ioctl
1254 * @cmd: cmd from ioctl
1255 * @arg: arg from ioctl
1258 * Takes mode config lock.
1260 * Construct a CRTC configuration structure to return to the user.
1262 * Called by the user via ioctl.
1265 * Zero on success, errno on failure.
1267 int drm_mode_getcrtc(struct drm_device
*dev
,
1268 void *data
, struct drm_file
*file_priv
)
1270 struct drm_mode_crtc
*crtc_resp
= data
;
1271 struct drm_crtc
*crtc
;
1272 struct drm_mode_object
*obj
;
1275 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
1278 mutex_lock(&dev
->mode_config
.mutex
);
1280 obj
= drm_mode_object_find(dev
, crtc_resp
->crtc_id
,
1281 DRM_MODE_OBJECT_CRTC
);
1286 crtc
= obj_to_crtc(obj
);
1288 crtc_resp
->x
= crtc
->x
;
1289 crtc_resp
->y
= crtc
->y
;
1290 crtc_resp
->gamma_size
= crtc
->gamma_size
;
1292 crtc_resp
->fb_id
= crtc
->fb
->base
.id
;
1294 crtc_resp
->fb_id
= 0;
1296 if (crtc
->enabled
) {
1298 drm_crtc_convert_to_umode(&crtc_resp
->mode
, &crtc
->mode
);
1299 crtc_resp
->mode_valid
= 1;
1302 crtc_resp
->mode_valid
= 0;
1306 mutex_unlock(&dev
->mode_config
.mutex
);
1311 * drm_mode_getconnector - get connector configuration
1312 * @inode: inode from the ioctl
1313 * @filp: file * from the ioctl
1314 * @cmd: cmd from ioctl
1315 * @arg: arg from ioctl
1318 * Takes mode config lock.
1320 * Construct a connector configuration structure to return to the user.
1322 * Called by the user via ioctl.
1325 * Zero on success, errno on failure.
1327 int drm_mode_getconnector(struct drm_device
*dev
, void *data
,
1328 struct drm_file
*file_priv
)
1330 struct drm_mode_get_connector
*out_resp
= data
;
1331 struct drm_mode_object
*obj
;
1332 struct drm_connector
*connector
;
1333 struct drm_display_mode
*mode
;
1335 int props_count
= 0;
1336 int encoders_count
= 0;
1340 struct drm_mode_modeinfo u_mode
;
1341 struct drm_mode_modeinfo __user
*mode_ptr
;
1342 uint32_t __user
*prop_ptr
;
1343 uint64_t __user
*prop_values
;
1344 uint32_t __user
*encoder_ptr
;
1346 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
1349 memset(&u_mode
, 0, sizeof(struct drm_mode_modeinfo
));
1351 DRM_DEBUG_KMS("[CONNECTOR:%d:?]\n", out_resp
->connector_id
);
1353 mutex_lock(&dev
->mode_config
.mutex
);
1355 obj
= drm_mode_object_find(dev
, out_resp
->connector_id
,
1356 DRM_MODE_OBJECT_CONNECTOR
);
1361 connector
= obj_to_connector(obj
);
1363 for (i
= 0; i
< DRM_CONNECTOR_MAX_PROPERTY
; i
++) {
1364 if (connector
->property_ids
[i
] != 0) {
1369 for (i
= 0; i
< DRM_CONNECTOR_MAX_ENCODER
; i
++) {
1370 if (connector
->encoder_ids
[i
] != 0) {
1375 if (out_resp
->count_modes
== 0) {
1376 connector
->funcs
->fill_modes(connector
,
1377 dev
->mode_config
.max_width
,
1378 dev
->mode_config
.max_height
);
1381 /* delayed so we get modes regardless of pre-fill_modes state */
1382 list_for_each_entry(mode
, &connector
->modes
, head
)
1385 out_resp
->connector_id
= connector
->base
.id
;
1386 out_resp
->connector_type
= connector
->connector_type
;
1387 out_resp
->connector_type_id
= connector
->connector_type_id
;
1388 out_resp
->mm_width
= connector
->display_info
.width_mm
;
1389 out_resp
->mm_height
= connector
->display_info
.height_mm
;
1390 out_resp
->subpixel
= connector
->display_info
.subpixel_order
;
1391 out_resp
->connection
= connector
->status
;
1392 if (connector
->encoder
)
1393 out_resp
->encoder_id
= connector
->encoder
->base
.id
;
1395 out_resp
->encoder_id
= 0;
1398 * This ioctl is called twice, once to determine how much space is
1399 * needed, and the 2nd time to fill it.
1401 if ((out_resp
->count_modes
>= mode_count
) && mode_count
) {
1403 mode_ptr
= (struct drm_mode_modeinfo __user
*)(unsigned long)out_resp
->modes_ptr
;
1404 list_for_each_entry(mode
, &connector
->modes
, head
) {
1405 drm_crtc_convert_to_umode(&u_mode
, mode
);
1406 if (copy_to_user(mode_ptr
+ copied
,
1407 &u_mode
, sizeof(u_mode
))) {
1414 out_resp
->count_modes
= mode_count
;
1416 if ((out_resp
->count_props
>= props_count
) && props_count
) {
1418 prop_ptr
= (uint32_t __user
*)(unsigned long)(out_resp
->props_ptr
);
1419 prop_values
= (uint64_t __user
*)(unsigned long)(out_resp
->prop_values_ptr
);
1420 for (i
= 0; i
< DRM_CONNECTOR_MAX_PROPERTY
; i
++) {
1421 if (connector
->property_ids
[i
] != 0) {
1422 if (put_user(connector
->property_ids
[i
],
1423 prop_ptr
+ copied
)) {
1428 if (put_user(connector
->property_values
[i
],
1429 prop_values
+ copied
)) {
1437 out_resp
->count_props
= props_count
;
1439 if ((out_resp
->count_encoders
>= encoders_count
) && encoders_count
) {
1441 encoder_ptr
= (uint32_t __user
*)(unsigned long)(out_resp
->encoders_ptr
);
1442 for (i
= 0; i
< DRM_CONNECTOR_MAX_ENCODER
; i
++) {
1443 if (connector
->encoder_ids
[i
] != 0) {
1444 if (put_user(connector
->encoder_ids
[i
],
1445 encoder_ptr
+ copied
)) {
1453 out_resp
->count_encoders
= encoders_count
;
1456 mutex_unlock(&dev
->mode_config
.mutex
);
1460 int drm_mode_getencoder(struct drm_device
*dev
, void *data
,
1461 struct drm_file
*file_priv
)
1463 struct drm_mode_get_encoder
*enc_resp
= data
;
1464 struct drm_mode_object
*obj
;
1465 struct drm_encoder
*encoder
;
1468 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
1471 mutex_lock(&dev
->mode_config
.mutex
);
1472 obj
= drm_mode_object_find(dev
, enc_resp
->encoder_id
,
1473 DRM_MODE_OBJECT_ENCODER
);
1478 encoder
= obj_to_encoder(obj
);
1481 enc_resp
->crtc_id
= encoder
->crtc
->base
.id
;
1483 enc_resp
->crtc_id
= 0;
1484 enc_resp
->encoder_type
= encoder
->encoder_type
;
1485 enc_resp
->encoder_id
= encoder
->base
.id
;
1486 enc_resp
->possible_crtcs
= encoder
->possible_crtcs
;
1487 enc_resp
->possible_clones
= encoder
->possible_clones
;
1490 mutex_unlock(&dev
->mode_config
.mutex
);
1495 * drm_mode_getplane_res - get plane info
1498 * @file_priv: DRM file info
1501 * Takes mode config lock.
1503 * Return an plane count and set of IDs.
1505 int drm_mode_getplane_res(struct drm_device
*dev
, void *data
,
1506 struct drm_file
*file_priv
)
1508 struct drm_mode_get_plane_res
*plane_resp
= data
;
1509 struct drm_mode_config
*config
;
1510 struct drm_plane
*plane
;
1511 uint32_t __user
*plane_ptr
;
1512 int copied
= 0, ret
= 0;
1514 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
1517 mutex_lock(&dev
->mode_config
.mutex
);
1518 config
= &dev
->mode_config
;
1521 * This ioctl is called twice, once to determine how much space is
1522 * needed, and the 2nd time to fill it.
1524 if (config
->num_plane
&&
1525 (plane_resp
->count_planes
>= config
->num_plane
)) {
1526 plane_ptr
= (uint32_t __user
*)(unsigned long)plane_resp
->plane_id_ptr
;
1528 list_for_each_entry(plane
, &config
->plane_list
, head
) {
1529 if (put_user(plane
->base
.id
, plane_ptr
+ copied
)) {
1536 plane_resp
->count_planes
= config
->num_plane
;
1539 mutex_unlock(&dev
->mode_config
.mutex
);
1544 * drm_mode_getplane - get plane info
1547 * @file_priv: DRM file info
1550 * Takes mode config lock.
1552 * Return plane info, including formats supported, gamma size, any
1555 int drm_mode_getplane(struct drm_device
*dev
, void *data
,
1556 struct drm_file
*file_priv
)
1558 struct drm_mode_get_plane
*plane_resp
= data
;
1559 struct drm_mode_object
*obj
;
1560 struct drm_plane
*plane
;
1561 uint32_t __user
*format_ptr
;
1564 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
1567 mutex_lock(&dev
->mode_config
.mutex
);
1568 obj
= drm_mode_object_find(dev
, plane_resp
->plane_id
,
1569 DRM_MODE_OBJECT_PLANE
);
1574 plane
= obj_to_plane(obj
);
1577 plane_resp
->crtc_id
= plane
->crtc
->base
.id
;
1579 plane_resp
->crtc_id
= 0;
1582 plane_resp
->fb_id
= plane
->fb
->base
.id
;
1584 plane_resp
->fb_id
= 0;
1586 plane_resp
->plane_id
= plane
->base
.id
;
1587 plane_resp
->possible_crtcs
= plane
->possible_crtcs
;
1588 plane_resp
->gamma_size
= plane
->gamma_size
;
1591 * This ioctl is called twice, once to determine how much space is
1592 * needed, and the 2nd time to fill it.
1594 if (plane
->format_count
&&
1595 (plane_resp
->count_format_types
>= plane
->format_count
)) {
1596 format_ptr
= (uint32_t __user
*)(unsigned long)plane_resp
->format_type_ptr
;
1597 if (copy_to_user(format_ptr
,
1598 plane
->format_types
,
1599 sizeof(uint32_t) * plane
->format_count
)) {
1604 plane_resp
->count_format_types
= plane
->format_count
;
1607 mutex_unlock(&dev
->mode_config
.mutex
);
1612 * drm_mode_setplane - set up or tear down an plane
1614 * @data: ioctl data*
1615 * @file_prive: DRM file info
1618 * Takes mode config lock.
1620 * Set plane info, including placement, fb, scaling, and other factors.
1621 * Or pass a NULL fb to disable.
1623 int drm_mode_setplane(struct drm_device
*dev
, void *data
,
1624 struct drm_file
*file_priv
)
1626 struct drm_mode_set_plane
*plane_req
= data
;
1627 struct drm_mode_object
*obj
;
1628 struct drm_plane
*plane
;
1629 struct drm_crtc
*crtc
;
1630 struct drm_framebuffer
*fb
;
1632 unsigned int fb_width
, fb_height
;
1635 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
1638 mutex_lock(&dev
->mode_config
.mutex
);
1641 * First, find the plane, crtc, and fb objects. If not available,
1642 * we don't bother to call the driver.
1644 obj
= drm_mode_object_find(dev
, plane_req
->plane_id
,
1645 DRM_MODE_OBJECT_PLANE
);
1647 DRM_DEBUG_KMS("Unknown plane ID %d\n",
1648 plane_req
->plane_id
);
1652 plane
= obj_to_plane(obj
);
1654 /* No fb means shut it down */
1655 if (!plane_req
->fb_id
) {
1656 plane
->funcs
->disable_plane(plane
);
1662 obj
= drm_mode_object_find(dev
, plane_req
->crtc_id
,
1663 DRM_MODE_OBJECT_CRTC
);
1665 DRM_DEBUG_KMS("Unknown crtc ID %d\n",
1666 plane_req
->crtc_id
);
1670 crtc
= obj_to_crtc(obj
);
1672 obj
= drm_mode_object_find(dev
, plane_req
->fb_id
,
1673 DRM_MODE_OBJECT_FB
);
1675 DRM_DEBUG_KMS("Unknown framebuffer ID %d\n",
1680 fb
= obj_to_fb(obj
);
1682 /* Check whether this plane supports the fb pixel format. */
1683 for (i
= 0; i
< plane
->format_count
; i
++)
1684 if (fb
->pixel_format
== plane
->format_types
[i
])
1686 if (i
== plane
->format_count
) {
1687 DRM_DEBUG_KMS("Invalid pixel format 0x%08x\n", fb
->pixel_format
);
1692 fb_width
= fb
->width
<< 16;
1693 fb_height
= fb
->height
<< 16;
1695 /* Make sure source coordinates are inside the fb. */
1696 if (plane_req
->src_w
> fb_width
||
1697 plane_req
->src_x
> fb_width
- plane_req
->src_w
||
1698 plane_req
->src_h
> fb_height
||
1699 plane_req
->src_y
> fb_height
- plane_req
->src_h
) {
1700 DRM_DEBUG_KMS("Invalid source coordinates "
1701 "%u.%06ux%u.%06u+%u.%06u+%u.%06u\n",
1702 plane_req
->src_w
>> 16,
1703 ((plane_req
->src_w
& 0xffff) * 15625) >> 10,
1704 plane_req
->src_h
>> 16,
1705 ((plane_req
->src_h
& 0xffff) * 15625) >> 10,
1706 plane_req
->src_x
>> 16,
1707 ((plane_req
->src_x
& 0xffff) * 15625) >> 10,
1708 plane_req
->src_y
>> 16,
1709 ((plane_req
->src_y
& 0xffff) * 15625) >> 10);
1714 /* Give drivers some help against integer overflows */
1715 if (plane_req
->crtc_w
> INT_MAX
||
1716 plane_req
->crtc_x
> INT_MAX
- (int32_t) plane_req
->crtc_w
||
1717 plane_req
->crtc_h
> INT_MAX
||
1718 plane_req
->crtc_y
> INT_MAX
- (int32_t) plane_req
->crtc_h
) {
1719 DRM_DEBUG_KMS("Invalid CRTC coordinates %ux%u+%d+%d\n",
1720 plane_req
->crtc_w
, plane_req
->crtc_h
,
1721 plane_req
->crtc_x
, plane_req
->crtc_y
);
1726 ret
= plane
->funcs
->update_plane(plane
, crtc
, fb
,
1727 plane_req
->crtc_x
, plane_req
->crtc_y
,
1728 plane_req
->crtc_w
, plane_req
->crtc_h
,
1729 plane_req
->src_x
, plane_req
->src_y
,
1730 plane_req
->src_w
, plane_req
->src_h
);
1737 mutex_unlock(&dev
->mode_config
.mutex
);
1743 * drm_mode_setcrtc - set CRTC configuration
1744 * @inode: inode from the ioctl
1745 * @filp: file * from the ioctl
1746 * @cmd: cmd from ioctl
1747 * @arg: arg from ioctl
1750 * Takes mode config lock.
1752 * Build a new CRTC configuration based on user request.
1754 * Called by the user via ioctl.
1757 * Zero on success, errno on failure.
1759 int drm_mode_setcrtc(struct drm_device
*dev
, void *data
,
1760 struct drm_file
*file_priv
)
1762 struct drm_mode_config
*config
= &dev
->mode_config
;
1763 struct drm_mode_crtc
*crtc_req
= data
;
1764 struct drm_mode_object
*obj
;
1765 struct drm_crtc
*crtc
;
1766 struct drm_connector
**connector_set
= NULL
, *connector
;
1767 struct drm_framebuffer
*fb
= NULL
;
1768 struct drm_display_mode
*mode
= NULL
;
1769 struct drm_mode_set set
;
1770 uint32_t __user
*set_connectors_ptr
;
1774 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
1777 /* For some reason crtc x/y offsets are signed internally. */
1778 if (crtc_req
->x
> INT_MAX
|| crtc_req
->y
> INT_MAX
)
1781 mutex_lock(&dev
->mode_config
.mutex
);
1782 obj
= drm_mode_object_find(dev
, crtc_req
->crtc_id
,
1783 DRM_MODE_OBJECT_CRTC
);
1785 DRM_DEBUG_KMS("Unknown CRTC ID %d\n", crtc_req
->crtc_id
);
1789 crtc
= obj_to_crtc(obj
);
1790 DRM_DEBUG_KMS("[CRTC:%d]\n", crtc
->base
.id
);
1792 if (crtc_req
->mode_valid
) {
1793 /* If we have a mode we need a framebuffer. */
1794 /* If we pass -1, set the mode with the currently bound fb */
1795 if (crtc_req
->fb_id
== -1) {
1797 DRM_DEBUG_KMS("CRTC doesn't have current FB\n");
1803 obj
= drm_mode_object_find(dev
, crtc_req
->fb_id
,
1804 DRM_MODE_OBJECT_FB
);
1806 DRM_DEBUG_KMS("Unknown FB ID%d\n",
1811 fb
= obj_to_fb(obj
);
1814 mode
= drm_mode_create(dev
);
1815 drm_crtc_convert_umode(mode
, &crtc_req
->mode
);
1816 drm_mode_set_crtcinfo(mode
, CRTC_INTERLACE_HALVE_V
);
1819 if (crtc_req
->count_connectors
== 0 && mode
) {
1820 DRM_DEBUG_KMS("Count connectors is 0 but mode set\n");
1825 if (crtc_req
->count_connectors
> 0 && (!mode
|| !fb
)) {
1826 DRM_DEBUG_KMS("Count connectors is %d but no mode or fb set\n",
1827 crtc_req
->count_connectors
);
1832 if (crtc_req
->count_connectors
> 0) {
1835 /* Avoid unbounded kernel memory allocation */
1836 if (crtc_req
->count_connectors
> config
->num_connector
) {
1841 connector_set
= kmalloc(crtc_req
->count_connectors
*
1842 sizeof(struct drm_connector
*),
1844 if (!connector_set
) {
1849 for (i
= 0; i
< crtc_req
->count_connectors
; i
++) {
1850 set_connectors_ptr
= (uint32_t __user
*)(unsigned long)crtc_req
->set_connectors_ptr
;
1851 if (get_user(out_id
, &set_connectors_ptr
[i
])) {
1856 obj
= drm_mode_object_find(dev
, out_id
,
1857 DRM_MODE_OBJECT_CONNECTOR
);
1859 DRM_DEBUG_KMS("Connector id %d unknown\n",
1864 connector
= obj_to_connector(obj
);
1865 DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
1867 drm_get_connector_name(connector
));
1869 connector_set
[i
] = connector
;
1874 set
.x
= crtc_req
->x
;
1875 set
.y
= crtc_req
->y
;
1877 set
.connectors
= connector_set
;
1878 set
.num_connectors
= crtc_req
->count_connectors
;
1880 ret
= crtc
->funcs
->set_config(&set
);
1883 kfree(connector_set
);
1884 mutex_unlock(&dev
->mode_config
.mutex
);
1888 int drm_mode_cursor_ioctl(struct drm_device
*dev
,
1889 void *data
, struct drm_file
*file_priv
)
1891 struct drm_mode_cursor
*req
= data
;
1892 struct drm_mode_object
*obj
;
1893 struct drm_crtc
*crtc
;
1896 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
1902 mutex_lock(&dev
->mode_config
.mutex
);
1903 obj
= drm_mode_object_find(dev
, req
->crtc_id
, DRM_MODE_OBJECT_CRTC
);
1905 DRM_DEBUG_KMS("Unknown CRTC ID %d\n", req
->crtc_id
);
1909 crtc
= obj_to_crtc(obj
);
1911 if (req
->flags
& DRM_MODE_CURSOR_BO
) {
1912 if (!crtc
->funcs
->cursor_set
) {
1916 /* Turns off the cursor if handle is 0 */
1917 ret
= crtc
->funcs
->cursor_set(crtc
, file_priv
, req
->handle
,
1918 req
->width
, req
->height
);
1921 if (req
->flags
& DRM_MODE_CURSOR_MOVE
) {
1922 if (crtc
->funcs
->cursor_move
) {
1923 ret
= crtc
->funcs
->cursor_move(crtc
, req
->x
, req
->y
);
1930 mutex_unlock(&dev
->mode_config
.mutex
);
1934 /* Original addfb only supported RGB formats, so figure out which one */
1935 uint32_t drm_mode_legacy_fb_format(uint32_t bpp
, uint32_t depth
)
1941 fmt
= DRM_FORMAT_RGB332
;
1945 fmt
= DRM_FORMAT_XRGB1555
;
1947 fmt
= DRM_FORMAT_RGB565
;
1950 fmt
= DRM_FORMAT_RGB888
;
1954 fmt
= DRM_FORMAT_XRGB8888
;
1955 else if (depth
== 30)
1956 fmt
= DRM_FORMAT_XRGB2101010
;
1958 fmt
= DRM_FORMAT_ARGB8888
;
1961 DRM_ERROR("bad bpp, assuming x8r8g8b8 pixel format\n");
1962 fmt
= DRM_FORMAT_XRGB8888
;
1968 EXPORT_SYMBOL(drm_mode_legacy_fb_format
);
1971 * drm_mode_addfb - add an FB to the graphics configuration
1972 * @inode: inode from the ioctl
1973 * @filp: file * from the ioctl
1974 * @cmd: cmd from ioctl
1975 * @arg: arg from ioctl
1978 * Takes mode config lock.
1980 * Add a new FB to the specified CRTC, given a user request.
1982 * Called by the user via ioctl.
1985 * Zero on success, errno on failure.
1987 int drm_mode_addfb(struct drm_device
*dev
,
1988 void *data
, struct drm_file
*file_priv
)
1990 struct drm_mode_fb_cmd
*or = data
;
1991 struct drm_mode_fb_cmd2 r
= {};
1992 struct drm_mode_config
*config
= &dev
->mode_config
;
1993 struct drm_framebuffer
*fb
;
1996 /* Use new struct with format internally */
1997 r
.fb_id
= or->fb_id
;
1998 r
.width
= or->width
;
1999 r
.height
= or->height
;
2000 r
.pitches
[0] = or->pitch
;
2001 r
.pixel_format
= drm_mode_legacy_fb_format(or->bpp
, or->depth
);
2002 r
.handles
[0] = or->handle
;
2004 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
2007 if ((config
->min_width
> r
.width
) || (r
.width
> config
->max_width
))
2010 if ((config
->min_height
> r
.height
) || (r
.height
> config
->max_height
))
2013 mutex_lock(&dev
->mode_config
.mutex
);
2015 /* TODO check buffer is sufficiently large */
2016 /* TODO setup destructor callback */
2018 fb
= dev
->mode_config
.funcs
->fb_create(dev
, file_priv
, &r
);
2020 DRM_ERROR("could not create framebuffer\n");
2025 or->fb_id
= fb
->base
.id
;
2026 list_add(&fb
->filp_head
, &file_priv
->fbs
);
2027 DRM_DEBUG_KMS("[FB:%d]\n", fb
->base
.id
);
2030 mutex_unlock(&dev
->mode_config
.mutex
);
2034 static int format_check(struct drm_mode_fb_cmd2
*r
)
2036 uint32_t format
= r
->pixel_format
& ~DRM_FORMAT_BIG_ENDIAN
;
2040 case DRM_FORMAT_RGB332
:
2041 case DRM_FORMAT_BGR233
:
2042 case DRM_FORMAT_XRGB4444
:
2043 case DRM_FORMAT_XBGR4444
:
2044 case DRM_FORMAT_RGBX4444
:
2045 case DRM_FORMAT_BGRX4444
:
2046 case DRM_FORMAT_ARGB4444
:
2047 case DRM_FORMAT_ABGR4444
:
2048 case DRM_FORMAT_RGBA4444
:
2049 case DRM_FORMAT_BGRA4444
:
2050 case DRM_FORMAT_XRGB1555
:
2051 case DRM_FORMAT_XBGR1555
:
2052 case DRM_FORMAT_RGBX5551
:
2053 case DRM_FORMAT_BGRX5551
:
2054 case DRM_FORMAT_ARGB1555
:
2055 case DRM_FORMAT_ABGR1555
:
2056 case DRM_FORMAT_RGBA5551
:
2057 case DRM_FORMAT_BGRA5551
:
2058 case DRM_FORMAT_RGB565
:
2059 case DRM_FORMAT_BGR565
:
2060 case DRM_FORMAT_RGB888
:
2061 case DRM_FORMAT_BGR888
:
2062 case DRM_FORMAT_XRGB8888
:
2063 case DRM_FORMAT_XBGR8888
:
2064 case DRM_FORMAT_RGBX8888
:
2065 case DRM_FORMAT_BGRX8888
:
2066 case DRM_FORMAT_ARGB8888
:
2067 case DRM_FORMAT_ABGR8888
:
2068 case DRM_FORMAT_RGBA8888
:
2069 case DRM_FORMAT_BGRA8888
:
2070 case DRM_FORMAT_XRGB2101010
:
2071 case DRM_FORMAT_XBGR2101010
:
2072 case DRM_FORMAT_RGBX1010102
:
2073 case DRM_FORMAT_BGRX1010102
:
2074 case DRM_FORMAT_ARGB2101010
:
2075 case DRM_FORMAT_ABGR2101010
:
2076 case DRM_FORMAT_RGBA1010102
:
2077 case DRM_FORMAT_BGRA1010102
:
2078 case DRM_FORMAT_YUYV
:
2079 case DRM_FORMAT_YVYU
:
2080 case DRM_FORMAT_UYVY
:
2081 case DRM_FORMAT_VYUY
:
2082 case DRM_FORMAT_AYUV
:
2083 case DRM_FORMAT_NV12
:
2084 case DRM_FORMAT_NV21
:
2085 case DRM_FORMAT_NV16
:
2086 case DRM_FORMAT_NV61
:
2087 case DRM_FORMAT_YUV410
:
2088 case DRM_FORMAT_YVU410
:
2089 case DRM_FORMAT_YUV411
:
2090 case DRM_FORMAT_YVU411
:
2091 case DRM_FORMAT_YUV420
:
2092 case DRM_FORMAT_YVU420
:
2093 case DRM_FORMAT_YUV422
:
2094 case DRM_FORMAT_YVU422
:
2095 case DRM_FORMAT_YUV444
:
2096 case DRM_FORMAT_YVU444
:
2104 * drm_mode_addfb2 - add an FB to the graphics configuration
2105 * @inode: inode from the ioctl
2106 * @filp: file * from the ioctl
2107 * @cmd: cmd from ioctl
2108 * @arg: arg from ioctl
2111 * Takes mode config lock.
2113 * Add a new FB to the specified CRTC, given a user request with format.
2115 * Called by the user via ioctl.
2118 * Zero on success, errno on failure.
2120 int drm_mode_addfb2(struct drm_device
*dev
,
2121 void *data
, struct drm_file
*file_priv
)
2123 struct drm_mode_fb_cmd2
*r
= data
;
2124 struct drm_mode_config
*config
= &dev
->mode_config
;
2125 struct drm_framebuffer
*fb
;
2128 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
2131 if ((config
->min_width
> r
->width
) || (r
->width
> config
->max_width
)) {
2132 DRM_ERROR("bad framebuffer width %d, should be >= %d && <= %d\n",
2133 r
->width
, config
->min_width
, config
->max_width
);
2136 if ((config
->min_height
> r
->height
) || (r
->height
> config
->max_height
)) {
2137 DRM_ERROR("bad framebuffer height %d, should be >= %d && <= %d\n",
2138 r
->height
, config
->min_height
, config
->max_height
);
2142 ret
= format_check(r
);
2144 DRM_ERROR("bad framebuffer format 0x%08x\n", r
->pixel_format
);
2148 mutex_lock(&dev
->mode_config
.mutex
);
2150 fb
= dev
->mode_config
.funcs
->fb_create(dev
, file_priv
, r
);
2152 DRM_ERROR("could not create framebuffer\n");
2157 r
->fb_id
= fb
->base
.id
;
2158 list_add(&fb
->filp_head
, &file_priv
->fbs
);
2159 DRM_DEBUG_KMS("[FB:%d]\n", fb
->base
.id
);
2162 mutex_unlock(&dev
->mode_config
.mutex
);
2167 * drm_mode_rmfb - remove an FB from the configuration
2168 * @inode: inode from the ioctl
2169 * @filp: file * from the ioctl
2170 * @cmd: cmd from ioctl
2171 * @arg: arg from ioctl
2174 * Takes mode config lock.
2176 * Remove the FB specified by the user.
2178 * Called by the user via ioctl.
2181 * Zero on success, errno on failure.
2183 int drm_mode_rmfb(struct drm_device
*dev
,
2184 void *data
, struct drm_file
*file_priv
)
2186 struct drm_mode_object
*obj
;
2187 struct drm_framebuffer
*fb
= NULL
;
2188 struct drm_framebuffer
*fbl
= NULL
;
2189 uint32_t *id
= data
;
2193 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
2196 mutex_lock(&dev
->mode_config
.mutex
);
2197 obj
= drm_mode_object_find(dev
, *id
, DRM_MODE_OBJECT_FB
);
2198 /* TODO check that we really get a framebuffer back. */
2203 fb
= obj_to_fb(obj
);
2205 list_for_each_entry(fbl
, &file_priv
->fbs
, filp_head
)
2214 /* TODO release all crtc connected to the framebuffer */
2215 /* TODO unhock the destructor from the buffer object */
2217 list_del(&fb
->filp_head
);
2218 fb
->funcs
->destroy(fb
);
2221 mutex_unlock(&dev
->mode_config
.mutex
);
2226 * drm_mode_getfb - get FB info
2227 * @inode: inode from the ioctl
2228 * @filp: file * from the ioctl
2229 * @cmd: cmd from ioctl
2230 * @arg: arg from ioctl
2233 * Takes mode config lock.
2235 * Lookup the FB given its ID and return info about it.
2237 * Called by the user via ioctl.
2240 * Zero on success, errno on failure.
2242 int drm_mode_getfb(struct drm_device
*dev
,
2243 void *data
, struct drm_file
*file_priv
)
2245 struct drm_mode_fb_cmd
*r
= data
;
2246 struct drm_mode_object
*obj
;
2247 struct drm_framebuffer
*fb
;
2250 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
2253 mutex_lock(&dev
->mode_config
.mutex
);
2254 obj
= drm_mode_object_find(dev
, r
->fb_id
, DRM_MODE_OBJECT_FB
);
2259 fb
= obj_to_fb(obj
);
2261 r
->height
= fb
->height
;
2262 r
->width
= fb
->width
;
2263 r
->depth
= fb
->depth
;
2264 r
->bpp
= fb
->bits_per_pixel
;
2265 r
->pitch
= fb
->pitches
[0];
2266 fb
->funcs
->create_handle(fb
, file_priv
, &r
->handle
);
2269 mutex_unlock(&dev
->mode_config
.mutex
);
2273 int drm_mode_dirtyfb_ioctl(struct drm_device
*dev
,
2274 void *data
, struct drm_file
*file_priv
)
2276 struct drm_clip_rect __user
*clips_ptr
;
2277 struct drm_clip_rect
*clips
= NULL
;
2278 struct drm_mode_fb_dirty_cmd
*r
= data
;
2279 struct drm_mode_object
*obj
;
2280 struct drm_framebuffer
*fb
;
2285 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
2288 mutex_lock(&dev
->mode_config
.mutex
);
2289 obj
= drm_mode_object_find(dev
, r
->fb_id
, DRM_MODE_OBJECT_FB
);
2294 fb
= obj_to_fb(obj
);
2296 num_clips
= r
->num_clips
;
2297 clips_ptr
= (struct drm_clip_rect __user
*)(unsigned long)r
->clips_ptr
;
2299 if (!num_clips
!= !clips_ptr
) {
2304 flags
= DRM_MODE_FB_DIRTY_FLAGS
& r
->flags
;
2306 /* If userspace annotates copy, clips must come in pairs */
2307 if (flags
& DRM_MODE_FB_DIRTY_ANNOTATE_COPY
&& (num_clips
% 2)) {
2312 if (num_clips
&& clips_ptr
) {
2313 if (num_clips
< 0 || num_clips
> DRM_MODE_FB_DIRTY_MAX_CLIPS
) {
2317 clips
= kzalloc(num_clips
* sizeof(*clips
), GFP_KERNEL
);
2323 ret
= copy_from_user(clips
, clips_ptr
,
2324 num_clips
* sizeof(*clips
));
2331 if (fb
->funcs
->dirty
) {
2332 ret
= fb
->funcs
->dirty(fb
, file_priv
, flags
, r
->color
,
2342 mutex_unlock(&dev
->mode_config
.mutex
);
2348 * drm_fb_release - remove and free the FBs on this file
2349 * @filp: file * from the ioctl
2352 * Takes mode config lock.
2354 * Destroy all the FBs associated with @filp.
2356 * Called by the user via ioctl.
2359 * Zero on success, errno on failure.
2361 void drm_fb_release(struct drm_file
*priv
)
2363 struct drm_device
*dev
= priv
->minor
->dev
;
2364 struct drm_framebuffer
*fb
, *tfb
;
2366 mutex_lock(&dev
->mode_config
.mutex
);
2367 list_for_each_entry_safe(fb
, tfb
, &priv
->fbs
, filp_head
) {
2368 list_del(&fb
->filp_head
);
2369 fb
->funcs
->destroy(fb
);
2371 mutex_unlock(&dev
->mode_config
.mutex
);
2375 * drm_mode_attachmode - add a mode to the user mode list
2377 * @connector: connector to add the mode to
2378 * @mode: mode to add
2380 * Add @mode to @connector's user mode list.
2382 static int drm_mode_attachmode(struct drm_device
*dev
,
2383 struct drm_connector
*connector
,
2384 struct drm_display_mode
*mode
)
2388 list_add_tail(&mode
->head
, &connector
->user_modes
);
2392 int drm_mode_attachmode_crtc(struct drm_device
*dev
, struct drm_crtc
*crtc
,
2393 struct drm_display_mode
*mode
)
2395 struct drm_connector
*connector
;
2397 struct drm_display_mode
*dup_mode
;
2399 list_for_each_entry(connector
, &dev
->mode_config
.connector_list
, head
) {
2400 if (!connector
->encoder
)
2402 if (connector
->encoder
->crtc
== crtc
) {
2404 dup_mode
= drm_mode_duplicate(dev
, mode
);
2407 ret
= drm_mode_attachmode(dev
, connector
, dup_mode
);
2415 EXPORT_SYMBOL(drm_mode_attachmode_crtc
);
2417 static int drm_mode_detachmode(struct drm_device
*dev
,
2418 struct drm_connector
*connector
,
2419 struct drm_display_mode
*mode
)
2423 struct drm_display_mode
*match_mode
, *t
;
2425 list_for_each_entry_safe(match_mode
, t
, &connector
->user_modes
, head
) {
2426 if (drm_mode_equal(match_mode
, mode
)) {
2427 list_del(&match_mode
->head
);
2428 drm_mode_destroy(dev
, match_mode
);
2440 int drm_mode_detachmode_crtc(struct drm_device
*dev
, struct drm_display_mode
*mode
)
2442 struct drm_connector
*connector
;
2444 list_for_each_entry(connector
, &dev
->mode_config
.connector_list
, head
) {
2445 drm_mode_detachmode(dev
, connector
, mode
);
2449 EXPORT_SYMBOL(drm_mode_detachmode_crtc
);
2452 * drm_fb_attachmode - Attach a user mode to an connector
2453 * @inode: inode from the ioctl
2454 * @filp: file * from the ioctl
2455 * @cmd: cmd from ioctl
2456 * @arg: arg from ioctl
2458 * This attaches a user specified mode to an connector.
2459 * Called by the user via ioctl.
2462 * Zero on success, errno on failure.
2464 int drm_mode_attachmode_ioctl(struct drm_device
*dev
,
2465 void *data
, struct drm_file
*file_priv
)
2467 struct drm_mode_mode_cmd
*mode_cmd
= data
;
2468 struct drm_connector
*connector
;
2469 struct drm_display_mode
*mode
;
2470 struct drm_mode_object
*obj
;
2471 struct drm_mode_modeinfo
*umode
= &mode_cmd
->mode
;
2474 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
2477 mutex_lock(&dev
->mode_config
.mutex
);
2479 obj
= drm_mode_object_find(dev
, mode_cmd
->connector_id
, DRM_MODE_OBJECT_CONNECTOR
);
2484 connector
= obj_to_connector(obj
);
2486 mode
= drm_mode_create(dev
);
2492 drm_crtc_convert_umode(mode
, umode
);
2494 ret
= drm_mode_attachmode(dev
, connector
, mode
);
2496 mutex_unlock(&dev
->mode_config
.mutex
);
2502 * drm_fb_detachmode - Detach a user specified mode from an connector
2503 * @inode: inode from the ioctl
2504 * @filp: file * from the ioctl
2505 * @cmd: cmd from ioctl
2506 * @arg: arg from ioctl
2508 * Called by the user via ioctl.
2511 * Zero on success, errno on failure.
2513 int drm_mode_detachmode_ioctl(struct drm_device
*dev
,
2514 void *data
, struct drm_file
*file_priv
)
2516 struct drm_mode_object
*obj
;
2517 struct drm_mode_mode_cmd
*mode_cmd
= data
;
2518 struct drm_connector
*connector
;
2519 struct drm_display_mode mode
;
2520 struct drm_mode_modeinfo
*umode
= &mode_cmd
->mode
;
2523 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
2526 mutex_lock(&dev
->mode_config
.mutex
);
2528 obj
= drm_mode_object_find(dev
, mode_cmd
->connector_id
, DRM_MODE_OBJECT_CONNECTOR
);
2533 connector
= obj_to_connector(obj
);
2535 drm_crtc_convert_umode(&mode
, umode
);
2536 ret
= drm_mode_detachmode(dev
, connector
, &mode
);
2538 mutex_unlock(&dev
->mode_config
.mutex
);
2542 struct drm_property
*drm_property_create(struct drm_device
*dev
, int flags
,
2543 const char *name
, int num_values
)
2545 struct drm_property
*property
= NULL
;
2547 property
= kzalloc(sizeof(struct drm_property
), GFP_KERNEL
);
2552 property
->values
= kzalloc(sizeof(uint64_t)*num_values
, GFP_KERNEL
);
2553 if (!property
->values
)
2557 drm_mode_object_get(dev
, &property
->base
, DRM_MODE_OBJECT_PROPERTY
);
2558 property
->flags
= flags
;
2559 property
->num_values
= num_values
;
2560 INIT_LIST_HEAD(&property
->enum_blob_list
);
2563 strncpy(property
->name
, name
, DRM_PROP_NAME_LEN
);
2564 property
->name
[DRM_PROP_NAME_LEN
-1] = '\0';
2567 list_add_tail(&property
->head
, &dev
->mode_config
.property_list
);
2573 EXPORT_SYMBOL(drm_property_create
);
2575 struct drm_property
*drm_property_create_enum(struct drm_device
*dev
, int flags
,
2577 const struct drm_prop_enum_list
*props
,
2580 struct drm_property
*property
;
2583 flags
|= DRM_MODE_PROP_ENUM
;
2585 property
= drm_property_create(dev
, flags
, name
, num_values
);
2589 for (i
= 0; i
< num_values
; i
++) {
2590 ret
= drm_property_add_enum(property
, i
,
2594 drm_property_destroy(dev
, property
);
2601 EXPORT_SYMBOL(drm_property_create_enum
);
2603 struct drm_property
*drm_property_create_range(struct drm_device
*dev
, int flags
,
2605 uint64_t min
, uint64_t max
)
2607 struct drm_property
*property
;
2609 flags
|= DRM_MODE_PROP_RANGE
;
2611 property
= drm_property_create(dev
, flags
, name
, 2);
2615 property
->values
[0] = min
;
2616 property
->values
[1] = max
;
2620 EXPORT_SYMBOL(drm_property_create_range
);
2622 int drm_property_add_enum(struct drm_property
*property
, int index
,
2623 uint64_t value
, const char *name
)
2625 struct drm_property_enum
*prop_enum
;
2627 if (!(property
->flags
& DRM_MODE_PROP_ENUM
))
2630 if (!list_empty(&property
->enum_blob_list
)) {
2631 list_for_each_entry(prop_enum
, &property
->enum_blob_list
, head
) {
2632 if (prop_enum
->value
== value
) {
2633 strncpy(prop_enum
->name
, name
, DRM_PROP_NAME_LEN
);
2634 prop_enum
->name
[DRM_PROP_NAME_LEN
-1] = '\0';
2640 prop_enum
= kzalloc(sizeof(struct drm_property_enum
), GFP_KERNEL
);
2644 strncpy(prop_enum
->name
, name
, DRM_PROP_NAME_LEN
);
2645 prop_enum
->name
[DRM_PROP_NAME_LEN
-1] = '\0';
2646 prop_enum
->value
= value
;
2648 property
->values
[index
] = value
;
2649 list_add_tail(&prop_enum
->head
, &property
->enum_blob_list
);
2652 EXPORT_SYMBOL(drm_property_add_enum
);
2654 void drm_property_destroy(struct drm_device
*dev
, struct drm_property
*property
)
2656 struct drm_property_enum
*prop_enum
, *pt
;
2658 list_for_each_entry_safe(prop_enum
, pt
, &property
->enum_blob_list
, head
) {
2659 list_del(&prop_enum
->head
);
2663 if (property
->num_values
)
2664 kfree(property
->values
);
2665 drm_mode_object_put(dev
, &property
->base
);
2666 list_del(&property
->head
);
2669 EXPORT_SYMBOL(drm_property_destroy
);
2671 int drm_connector_attach_property(struct drm_connector
*connector
,
2672 struct drm_property
*property
, uint64_t init_val
)
2676 for (i
= 0; i
< DRM_CONNECTOR_MAX_PROPERTY
; i
++) {
2677 if (connector
->property_ids
[i
] == 0) {
2678 connector
->property_ids
[i
] = property
->base
.id
;
2679 connector
->property_values
[i
] = init_val
;
2684 if (i
== DRM_CONNECTOR_MAX_PROPERTY
)
2688 EXPORT_SYMBOL(drm_connector_attach_property
);
2690 int drm_connector_property_set_value(struct drm_connector
*connector
,
2691 struct drm_property
*property
, uint64_t value
)
2695 for (i
= 0; i
< DRM_CONNECTOR_MAX_PROPERTY
; i
++) {
2696 if (connector
->property_ids
[i
] == property
->base
.id
) {
2697 connector
->property_values
[i
] = value
;
2702 if (i
== DRM_CONNECTOR_MAX_PROPERTY
)
2706 EXPORT_SYMBOL(drm_connector_property_set_value
);
2708 int drm_connector_property_get_value(struct drm_connector
*connector
,
2709 struct drm_property
*property
, uint64_t *val
)
2713 for (i
= 0; i
< DRM_CONNECTOR_MAX_PROPERTY
; i
++) {
2714 if (connector
->property_ids
[i
] == property
->base
.id
) {
2715 *val
= connector
->property_values
[i
];
2720 if (i
== DRM_CONNECTOR_MAX_PROPERTY
)
2724 EXPORT_SYMBOL(drm_connector_property_get_value
);
2726 int drm_mode_getproperty_ioctl(struct drm_device
*dev
,
2727 void *data
, struct drm_file
*file_priv
)
2729 struct drm_mode_object
*obj
;
2730 struct drm_mode_get_property
*out_resp
= data
;
2731 struct drm_property
*property
;
2734 int value_count
= 0;
2737 struct drm_property_enum
*prop_enum
;
2738 struct drm_mode_property_enum __user
*enum_ptr
;
2739 struct drm_property_blob
*prop_blob
;
2740 uint32_t __user
*blob_id_ptr
;
2741 uint64_t __user
*values_ptr
;
2742 uint32_t __user
*blob_length_ptr
;
2744 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
2747 mutex_lock(&dev
->mode_config
.mutex
);
2748 obj
= drm_mode_object_find(dev
, out_resp
->prop_id
, DRM_MODE_OBJECT_PROPERTY
);
2753 property
= obj_to_property(obj
);
2755 if (property
->flags
& DRM_MODE_PROP_ENUM
) {
2756 list_for_each_entry(prop_enum
, &property
->enum_blob_list
, head
)
2758 } else if (property
->flags
& DRM_MODE_PROP_BLOB
) {
2759 list_for_each_entry(prop_blob
, &property
->enum_blob_list
, head
)
2763 value_count
= property
->num_values
;
2765 strncpy(out_resp
->name
, property
->name
, DRM_PROP_NAME_LEN
);
2766 out_resp
->name
[DRM_PROP_NAME_LEN
-1] = 0;
2767 out_resp
->flags
= property
->flags
;
2769 if ((out_resp
->count_values
>= value_count
) && value_count
) {
2770 values_ptr
= (uint64_t __user
*)(unsigned long)out_resp
->values_ptr
;
2771 for (i
= 0; i
< value_count
; i
++) {
2772 if (copy_to_user(values_ptr
+ i
, &property
->values
[i
], sizeof(uint64_t))) {
2778 out_resp
->count_values
= value_count
;
2780 if (property
->flags
& DRM_MODE_PROP_ENUM
) {
2781 if ((out_resp
->count_enum_blobs
>= enum_count
) && enum_count
) {
2783 enum_ptr
= (struct drm_mode_property_enum __user
*)(unsigned long)out_resp
->enum_blob_ptr
;
2784 list_for_each_entry(prop_enum
, &property
->enum_blob_list
, head
) {
2786 if (copy_to_user(&enum_ptr
[copied
].value
, &prop_enum
->value
, sizeof(uint64_t))) {
2791 if (copy_to_user(&enum_ptr
[copied
].name
,
2792 &prop_enum
->name
, DRM_PROP_NAME_LEN
)) {
2799 out_resp
->count_enum_blobs
= enum_count
;
2802 if (property
->flags
& DRM_MODE_PROP_BLOB
) {
2803 if ((out_resp
->count_enum_blobs
>= blob_count
) && blob_count
) {
2805 blob_id_ptr
= (uint32_t __user
*)(unsigned long)out_resp
->enum_blob_ptr
;
2806 blob_length_ptr
= (uint32_t __user
*)(unsigned long)out_resp
->values_ptr
;
2808 list_for_each_entry(prop_blob
, &property
->enum_blob_list
, head
) {
2809 if (put_user(prop_blob
->base
.id
, blob_id_ptr
+ copied
)) {
2814 if (put_user(prop_blob
->length
, blob_length_ptr
+ copied
)) {
2822 out_resp
->count_enum_blobs
= blob_count
;
2825 mutex_unlock(&dev
->mode_config
.mutex
);
2829 static struct drm_property_blob
*drm_property_create_blob(struct drm_device
*dev
, int length
,
2832 struct drm_property_blob
*blob
;
2834 if (!length
|| !data
)
2837 blob
= kzalloc(sizeof(struct drm_property_blob
)+length
, GFP_KERNEL
);
2841 blob
->data
= (void *)((char *)blob
+ sizeof(struct drm_property_blob
));
2842 blob
->length
= length
;
2844 memcpy(blob
->data
, data
, length
);
2846 drm_mode_object_get(dev
, &blob
->base
, DRM_MODE_OBJECT_BLOB
);
2848 list_add_tail(&blob
->head
, &dev
->mode_config
.property_blob_list
);
2852 static void drm_property_destroy_blob(struct drm_device
*dev
,
2853 struct drm_property_blob
*blob
)
2855 drm_mode_object_put(dev
, &blob
->base
);
2856 list_del(&blob
->head
);
2860 int drm_mode_getblob_ioctl(struct drm_device
*dev
,
2861 void *data
, struct drm_file
*file_priv
)
2863 struct drm_mode_object
*obj
;
2864 struct drm_mode_get_blob
*out_resp
= data
;
2865 struct drm_property_blob
*blob
;
2867 void __user
*blob_ptr
;
2869 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
2872 mutex_lock(&dev
->mode_config
.mutex
);
2873 obj
= drm_mode_object_find(dev
, out_resp
->blob_id
, DRM_MODE_OBJECT_BLOB
);
2878 blob
= obj_to_blob(obj
);
2880 if (out_resp
->length
== blob
->length
) {
2881 blob_ptr
= (void __user
*)(unsigned long)out_resp
->data
;
2882 if (copy_to_user(blob_ptr
, blob
->data
, blob
->length
)){
2887 out_resp
->length
= blob
->length
;
2890 mutex_unlock(&dev
->mode_config
.mutex
);
2894 int drm_mode_connector_update_edid_property(struct drm_connector
*connector
,
2897 struct drm_device
*dev
= connector
->dev
;
2900 if (connector
->edid_blob_ptr
)
2901 drm_property_destroy_blob(dev
, connector
->edid_blob_ptr
);
2903 /* Delete edid, when there is none. */
2905 connector
->edid_blob_ptr
= NULL
;
2906 ret
= drm_connector_property_set_value(connector
, dev
->mode_config
.edid_property
, 0);
2910 size
= EDID_LENGTH
* (1 + edid
->extensions
);
2911 connector
->edid_blob_ptr
= drm_property_create_blob(connector
->dev
,
2914 ret
= drm_connector_property_set_value(connector
,
2915 dev
->mode_config
.edid_property
,
2916 connector
->edid_blob_ptr
->base
.id
);
2920 EXPORT_SYMBOL(drm_mode_connector_update_edid_property
);
2922 int drm_mode_connector_property_set_ioctl(struct drm_device
*dev
,
2923 void *data
, struct drm_file
*file_priv
)
2925 struct drm_mode_connector_set_property
*out_resp
= data
;
2926 struct drm_mode_object
*obj
;
2927 struct drm_property
*property
;
2928 struct drm_connector
*connector
;
2932 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
2935 mutex_lock(&dev
->mode_config
.mutex
);
2937 obj
= drm_mode_object_find(dev
, out_resp
->connector_id
, DRM_MODE_OBJECT_CONNECTOR
);
2941 connector
= obj_to_connector(obj
);
2943 for (i
= 0; i
< DRM_CONNECTOR_MAX_PROPERTY
; i
++) {
2944 if (connector
->property_ids
[i
] == out_resp
->prop_id
)
2948 if (i
== DRM_CONNECTOR_MAX_PROPERTY
) {
2952 obj
= drm_mode_object_find(dev
, out_resp
->prop_id
, DRM_MODE_OBJECT_PROPERTY
);
2956 property
= obj_to_property(obj
);
2958 if (property
->flags
& DRM_MODE_PROP_IMMUTABLE
)
2961 if (property
->flags
& DRM_MODE_PROP_RANGE
) {
2962 if (out_resp
->value
< property
->values
[0])
2965 if (out_resp
->value
> property
->values
[1])
2969 for (i
= 0; i
< property
->num_values
; i
++) {
2970 if (property
->values
[i
] == out_resp
->value
) {
2980 /* Do DPMS ourselves */
2981 if (property
== connector
->dev
->mode_config
.dpms_property
) {
2982 if (connector
->funcs
->dpms
)
2983 (*connector
->funcs
->dpms
)(connector
, (int) out_resp
->value
);
2985 } else if (connector
->funcs
->set_property
)
2986 ret
= connector
->funcs
->set_property(connector
, property
, out_resp
->value
);
2988 /* store the property value if successful */
2990 drm_connector_property_set_value(connector
, property
, out_resp
->value
);
2992 mutex_unlock(&dev
->mode_config
.mutex
);
2996 int drm_mode_connector_attach_encoder(struct drm_connector
*connector
,
2997 struct drm_encoder
*encoder
)
3001 for (i
= 0; i
< DRM_CONNECTOR_MAX_ENCODER
; i
++) {
3002 if (connector
->encoder_ids
[i
] == 0) {
3003 connector
->encoder_ids
[i
] = encoder
->base
.id
;
3009 EXPORT_SYMBOL(drm_mode_connector_attach_encoder
);
3011 void drm_mode_connector_detach_encoder(struct drm_connector
*connector
,
3012 struct drm_encoder
*encoder
)
3015 for (i
= 0; i
< DRM_CONNECTOR_MAX_ENCODER
; i
++) {
3016 if (connector
->encoder_ids
[i
] == encoder
->base
.id
) {
3017 connector
->encoder_ids
[i
] = 0;
3018 if (connector
->encoder
== encoder
)
3019 connector
->encoder
= NULL
;
3024 EXPORT_SYMBOL(drm_mode_connector_detach_encoder
);
3026 int drm_mode_crtc_set_gamma_size(struct drm_crtc
*crtc
,
3029 crtc
->gamma_size
= gamma_size
;
3031 crtc
->gamma_store
= kzalloc(gamma_size
* sizeof(uint16_t) * 3, GFP_KERNEL
);
3032 if (!crtc
->gamma_store
) {
3033 crtc
->gamma_size
= 0;
3039 EXPORT_SYMBOL(drm_mode_crtc_set_gamma_size
);
3041 int drm_mode_gamma_set_ioctl(struct drm_device
*dev
,
3042 void *data
, struct drm_file
*file_priv
)
3044 struct drm_mode_crtc_lut
*crtc_lut
= data
;
3045 struct drm_mode_object
*obj
;
3046 struct drm_crtc
*crtc
;
3047 void *r_base
, *g_base
, *b_base
;
3051 if (!drm_core_check_feature(dev
, DRIVER_MODESET
))
3054 mutex_lock(&dev
->mode_config
.mutex
);
3055 obj
= drm_mode_object_find(dev
, crtc_lut
->crtc_id
, DRM_MODE_OBJECT_CRTC
);
3060 crtc
= obj_to_crtc(obj
);
3062 /* memcpy into gamma store */
3063 if (crtc_lut
->gamma_size
!= crtc
->gamma_size
) {
3068 size
= crtc_lut
->gamma_size
* (sizeof(uint16_t));
3069 r_base
= crtc
->gamma_store
;
3070 if (copy_from_user(r_base
, (void __user
*)(unsigned long)crtc_lut
->red
, size
)) {
3075 g_base
= r_base
+ size
;
3076 if (copy_from_user(g_base
, (void __user
*)(unsigned long)crtc_lut
->green
, size
)) {
3081 b_base
= g_base
+ size
;
3082 if (copy_from_user(b_base
, (void __user
*)(unsigned long)crtc_lut
->blue
, size
)) {
3087 crtc
->funcs
->gamma_set(crtc
, r_base
, g_base
, b_base
, 0, crtc
->gamma_size
);
3090 mutex_unlock(&dev
->mode_config
.mutex
);
3095 int drm_mode_gamma_get_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_to_user((void __user
*)(unsigned long)crtc_lut
->red
, r_base
, size
)) {
3129 g_base
= r_base
+ size
;
3130 if (copy_to_user((void __user
*)(unsigned long)crtc_lut
->green
, g_base
, size
)) {
3135 b_base
= g_base
+ size
;
3136 if (copy_to_user((void __user
*)(unsigned long)crtc_lut
->blue
, b_base
, size
)) {
3141 mutex_unlock(&dev
->mode_config
.mutex
);
3145 int drm_mode_page_flip_ioctl(struct drm_device
*dev
,
3146 void *data
, struct drm_file
*file_priv
)
3148 struct drm_mode_crtc_page_flip
*page_flip
= data
;
3149 struct drm_mode_object
*obj
;
3150 struct drm_crtc
*crtc
;
3151 struct drm_framebuffer
*fb
;
3152 struct drm_pending_vblank_event
*e
= NULL
;
3153 unsigned long flags
;
3156 if (page_flip
->flags
& ~DRM_MODE_PAGE_FLIP_FLAGS
||
3157 page_flip
->reserved
!= 0)
3160 mutex_lock(&dev
->mode_config
.mutex
);
3161 obj
= drm_mode_object_find(dev
, page_flip
->crtc_id
, DRM_MODE_OBJECT_CRTC
);
3164 crtc
= obj_to_crtc(obj
);
3166 if (crtc
->fb
== NULL
) {
3167 /* The framebuffer is currently unbound, presumably
3168 * due to a hotplug event, that userspace has not
3175 if (crtc
->funcs
->page_flip
== NULL
)
3178 obj
= drm_mode_object_find(dev
, page_flip
->fb_id
, DRM_MODE_OBJECT_FB
);
3181 fb
= obj_to_fb(obj
);
3183 if (page_flip
->flags
& DRM_MODE_PAGE_FLIP_EVENT
) {
3185 spin_lock_irqsave(&dev
->event_lock
, flags
);
3186 if (file_priv
->event_space
< sizeof e
->event
) {
3187 spin_unlock_irqrestore(&dev
->event_lock
, flags
);
3190 file_priv
->event_space
-= sizeof e
->event
;
3191 spin_unlock_irqrestore(&dev
->event_lock
, flags
);
3193 e
= kzalloc(sizeof *e
, GFP_KERNEL
);
3195 spin_lock_irqsave(&dev
->event_lock
, flags
);
3196 file_priv
->event_space
+= sizeof e
->event
;
3197 spin_unlock_irqrestore(&dev
->event_lock
, flags
);
3201 e
->event
.base
.type
= DRM_EVENT_FLIP_COMPLETE
;
3202 e
->event
.base
.length
= sizeof e
->event
;
3203 e
->event
.user_data
= page_flip
->user_data
;
3204 e
->base
.event
= &e
->event
.base
;
3205 e
->base
.file_priv
= file_priv
;
3207 (void (*) (struct drm_pending_event
*)) kfree
;
3210 ret
= crtc
->funcs
->page_flip(crtc
, fb
, e
);
3212 spin_lock_irqsave(&dev
->event_lock
, flags
);
3213 file_priv
->event_space
+= sizeof e
->event
;
3214 spin_unlock_irqrestore(&dev
->event_lock
, flags
);
3219 mutex_unlock(&dev
->mode_config
.mutex
);
3223 void drm_mode_config_reset(struct drm_device
*dev
)
3225 struct drm_crtc
*crtc
;
3226 struct drm_encoder
*encoder
;
3227 struct drm_connector
*connector
;
3229 list_for_each_entry(crtc
, &dev
->mode_config
.crtc_list
, head
)
3230 if (crtc
->funcs
->reset
)
3231 crtc
->funcs
->reset(crtc
);
3233 list_for_each_entry(encoder
, &dev
->mode_config
.encoder_list
, head
)
3234 if (encoder
->funcs
->reset
)
3235 encoder
->funcs
->reset(encoder
);
3237 list_for_each_entry(connector
, &dev
->mode_config
.connector_list
, head
)
3238 if (connector
->funcs
->reset
)
3239 connector
->funcs
->reset(connector
);
3241 EXPORT_SYMBOL(drm_mode_config_reset
);
3243 int drm_mode_create_dumb_ioctl(struct drm_device
*dev
,
3244 void *data
, struct drm_file
*file_priv
)
3246 struct drm_mode_create_dumb
*args
= data
;
3248 if (!dev
->driver
->dumb_create
)
3250 return dev
->driver
->dumb_create(file_priv
, dev
, args
);
3253 int drm_mode_mmap_dumb_ioctl(struct drm_device
*dev
,
3254 void *data
, struct drm_file
*file_priv
)
3256 struct drm_mode_map_dumb
*args
= data
;
3258 /* call driver ioctl to get mmap offset */
3259 if (!dev
->driver
->dumb_map_offset
)
3262 return dev
->driver
->dumb_map_offset(file_priv
, dev
, args
->handle
, &args
->offset
);
3265 int drm_mode_destroy_dumb_ioctl(struct drm_device
*dev
,
3266 void *data
, struct drm_file
*file_priv
)
3268 struct drm_mode_destroy_dumb
*args
= data
;
3270 if (!dev
->driver
->dumb_destroy
)
3273 return dev
->driver
->dumb_destroy(file_priv
, dev
, args
->handle
);
3277 * Just need to support RGB formats here for compat with code that doesn't
3278 * use pixel formats directly yet.
3280 void drm_fb_get_bpp_depth(uint32_t format
, unsigned int *depth
,
3284 case DRM_FORMAT_RGB332
:
3285 case DRM_FORMAT_BGR233
:
3289 case DRM_FORMAT_XRGB1555
:
3290 case DRM_FORMAT_XBGR1555
:
3291 case DRM_FORMAT_RGBX5551
:
3292 case DRM_FORMAT_BGRX5551
:
3293 case DRM_FORMAT_ARGB1555
:
3294 case DRM_FORMAT_ABGR1555
:
3295 case DRM_FORMAT_RGBA5551
:
3296 case DRM_FORMAT_BGRA5551
:
3300 case DRM_FORMAT_RGB565
:
3301 case DRM_FORMAT_BGR565
:
3305 case DRM_FORMAT_RGB888
:
3306 case DRM_FORMAT_BGR888
:
3310 case DRM_FORMAT_XRGB8888
:
3311 case DRM_FORMAT_XBGR8888
:
3312 case DRM_FORMAT_RGBX8888
:
3313 case DRM_FORMAT_BGRX8888
:
3317 case DRM_FORMAT_XRGB2101010
:
3318 case DRM_FORMAT_XBGR2101010
:
3319 case DRM_FORMAT_RGBX1010102
:
3320 case DRM_FORMAT_BGRX1010102
:
3321 case DRM_FORMAT_ARGB2101010
:
3322 case DRM_FORMAT_ABGR2101010
:
3323 case DRM_FORMAT_RGBA1010102
:
3324 case DRM_FORMAT_BGRA1010102
:
3328 case DRM_FORMAT_ARGB8888
:
3329 case DRM_FORMAT_ABGR8888
:
3330 case DRM_FORMAT_RGBA8888
:
3331 case DRM_FORMAT_BGRA8888
:
3336 DRM_DEBUG_KMS("unsupported pixel format\n");
3342 EXPORT_SYMBOL(drm_fb_get_bpp_depth
);