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>
37 struct drm_prop_enum_list
{
42 /* Avoid boilerplate. I'm tired of typing. */
43 #define DRM_ENUM_NAME_FN(fnname, list) \
44 char *fnname(int val) \
47 for (i = 0; i < ARRAY_SIZE(list); i++) { \
48 if (list[i].type == val) \
49 return list[i].name; \
57 static struct drm_prop_enum_list drm_dpms_enum_list
[] =
58 { { DRM_MODE_DPMS_ON
, "On" },
59 { DRM_MODE_DPMS_STANDBY
, "Standby" },
60 { DRM_MODE_DPMS_SUSPEND
, "Suspend" },
61 { DRM_MODE_DPMS_OFF
, "Off" }
64 DRM_ENUM_NAME_FN(drm_get_dpms_name
, drm_dpms_enum_list
)
69 static struct drm_prop_enum_list drm_scaling_mode_enum_list
[] =
71 { DRM_MODE_SCALE_NON_GPU
, "Non-GPU" },
72 { DRM_MODE_SCALE_FULLSCREEN
, "Fullscreen" },
73 { DRM_MODE_SCALE_NO_SCALE
, "No scale" },
74 { DRM_MODE_SCALE_ASPECT
, "Aspect" },
77 static struct drm_prop_enum_list drm_dithering_mode_enum_list
[] =
79 { DRM_MODE_DITHERING_OFF
, "Off" },
80 { DRM_MODE_DITHERING_ON
, "On" },
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 */
113 DRM_ENUM_NAME_FN(drm_get_tv_select_name
, drm_tv_select_enum_list
)
115 static struct drm_prop_enum_list drm_tv_subconnector_enum_list
[] =
117 { DRM_MODE_SUBCONNECTOR_Unknown
, "Unknown" }, /* DVI-I and TV-out */
118 { DRM_MODE_SUBCONNECTOR_Composite
, "Composite" }, /* TV-out */
119 { DRM_MODE_SUBCONNECTOR_SVIDEO
, "SVIDEO" }, /* TV-out */
120 { DRM_MODE_SUBCONNECTOR_Component
, "Component" }, /* TV-out */
123 DRM_ENUM_NAME_FN(drm_get_tv_subconnector_name
,
124 drm_tv_subconnector_enum_list
)
126 struct drm_conn_prop_enum_list
{
133 * Connector and encoder types.
135 static struct drm_conn_prop_enum_list drm_connector_enum_list
[] =
136 { { DRM_MODE_CONNECTOR_Unknown
, "Unknown", 0 },
137 { DRM_MODE_CONNECTOR_VGA
, "VGA", 0 },
138 { DRM_MODE_CONNECTOR_DVII
, "DVI-I", 0 },
139 { DRM_MODE_CONNECTOR_DVID
, "DVI-D", 0 },
140 { DRM_MODE_CONNECTOR_DVIA
, "DVI-A", 0 },
141 { DRM_MODE_CONNECTOR_Composite
, "Composite", 0 },
142 { DRM_MODE_CONNECTOR_SVIDEO
, "SVIDEO", 0 },
143 { DRM_MODE_CONNECTOR_LVDS
, "LVDS", 0 },
144 { DRM_MODE_CONNECTOR_Component
, "Component", 0 },
145 { DRM_MODE_CONNECTOR_9PinDIN
, "9-pin DIN", 0 },
146 { DRM_MODE_CONNECTOR_DisplayPort
, "DisplayPort", 0 },
147 { DRM_MODE_CONNECTOR_HDMIA
, "HDMI Type A", 0 },
148 { DRM_MODE_CONNECTOR_HDMIB
, "HDMI Type B", 0 },
149 { DRM_MODE_CONNECTOR_TV
, "TV", 0 },
152 static struct drm_prop_enum_list drm_encoder_enum_list
[] =
153 { { DRM_MODE_ENCODER_NONE
, "None" },
154 { DRM_MODE_ENCODER_DAC
, "DAC" },
155 { DRM_MODE_ENCODER_TMDS
, "TMDS" },
156 { DRM_MODE_ENCODER_LVDS
, "LVDS" },
157 { DRM_MODE_ENCODER_TVDAC
, "TV" },
160 char *drm_get_encoder_name(struct drm_encoder
*encoder
)
164 snprintf(buf
, 32, "%s-%d",
165 drm_encoder_enum_list
[encoder
->encoder_type
].name
,
170 char *drm_get_connector_name(struct drm_connector
*connector
)
174 snprintf(buf
, 32, "%s-%d",
175 drm_connector_enum_list
[connector
->connector_type
].name
,
176 connector
->connector_type_id
);
179 EXPORT_SYMBOL(drm_get_connector_name
);
181 char *drm_get_connector_status_name(enum drm_connector_status status
)
183 if (status
== connector_status_connected
)
185 else if (status
== connector_status_disconnected
)
186 return "disconnected";
192 * drm_mode_object_get - allocate a new identifier
194 * @ptr: object pointer, used to generate unique ID
199 * Create a unique identifier based on @ptr in @dev's identifier space. Used
200 * for tracking modes, CRTCs and connectors.
203 * New unique (relative to other objects in @dev) integer identifier for the
206 static int drm_mode_object_get(struct drm_device
*dev
,
207 struct drm_mode_object
*obj
, uint32_t obj_type
)
213 if (idr_pre_get(&dev
->mode_config
.crtc_idr
, GFP_KERNEL
) == 0) {
214 DRM_ERROR("Ran out memory getting a mode number\n");
218 mutex_lock(&dev
->mode_config
.idr_mutex
);
219 ret
= idr_get_new_above(&dev
->mode_config
.crtc_idr
, obj
, 1, &new_id
);
220 mutex_unlock(&dev
->mode_config
.idr_mutex
);
225 obj
->type
= obj_type
;
230 * drm_mode_object_put - free an identifer
235 * Caller must hold DRM mode_config lock.
237 * Free @id from @dev's unique identifier pool.
239 static void drm_mode_object_put(struct drm_device
*dev
,
240 struct drm_mode_object
*object
)
242 mutex_lock(&dev
->mode_config
.idr_mutex
);
243 idr_remove(&dev
->mode_config
.crtc_idr
, object
->id
);
244 mutex_unlock(&dev
->mode_config
.idr_mutex
);
247 void *drm_mode_object_find(struct drm_device
*dev
, uint32_t id
, uint32_t type
)
249 struct drm_mode_object
*obj
= NULL
;
251 mutex_lock(&dev
->mode_config
.idr_mutex
);
252 obj
= idr_find(&dev
->mode_config
.crtc_idr
, id
);
253 if (!obj
|| (obj
->type
!= type
) || (obj
->id
!= id
))
255 mutex_unlock(&dev
->mode_config
.idr_mutex
);
259 EXPORT_SYMBOL(drm_mode_object_find
);
262 * drm_crtc_from_fb - find the CRTC structure associated with an fb
264 * @fb: framebuffer in question
267 * Caller must hold mode_config lock.
269 * Find CRTC in the mode_config structure that matches @fb.
272 * Pointer to the CRTC or NULL if it wasn't found.
274 struct drm_crtc
*drm_crtc_from_fb(struct drm_device
*dev
,
275 struct drm_framebuffer
*fb
)
277 struct drm_crtc
*crtc
;
279 list_for_each_entry(crtc
, &dev
->mode_config
.crtc_list
, head
) {
287 * drm_framebuffer_init - initialize a framebuffer
291 * Caller must hold mode config lock.
293 * Allocates an ID for the framebuffer's parent mode object, sets its mode
294 * functions & device file and adds it to the master fd list.
297 * Zero on success, error code on falure.
299 int drm_framebuffer_init(struct drm_device
*dev
, struct drm_framebuffer
*fb
,
300 const struct drm_framebuffer_funcs
*funcs
)
304 ret
= drm_mode_object_get(dev
, &fb
->base
, DRM_MODE_OBJECT_FB
);
311 dev
->mode_config
.num_fb
++;
312 list_add(&fb
->head
, &dev
->mode_config
.fb_list
);
316 EXPORT_SYMBOL(drm_framebuffer_init
);
319 * drm_framebuffer_cleanup - remove a framebuffer object
320 * @fb: framebuffer to remove
323 * Caller must hold mode config lock.
325 * Scans all the CRTCs in @dev's mode_config. If they're using @fb, removes
326 * it, setting it to NULL.
328 void drm_framebuffer_cleanup(struct drm_framebuffer
*fb
)
330 struct drm_device
*dev
= fb
->dev
;
331 struct drm_crtc
*crtc
;
333 /* remove from any CRTC */
334 list_for_each_entry(crtc
, &dev
->mode_config
.crtc_list
, head
) {
339 drm_mode_object_put(dev
, &fb
->base
);
341 dev
->mode_config
.num_fb
--;
343 EXPORT_SYMBOL(drm_framebuffer_cleanup
);
346 * drm_crtc_init - Initialise a new CRTC object
348 * @crtc: CRTC object to init
349 * @funcs: callbacks for the new CRTC
352 * Caller must hold mode config lock.
354 * Inits a new object created as base part of an driver crtc object.
356 void drm_crtc_init(struct drm_device
*dev
, struct drm_crtc
*crtc
,
357 const struct drm_crtc_funcs
*funcs
)
362 mutex_lock(&dev
->mode_config
.mutex
);
363 drm_mode_object_get(dev
, &crtc
->base
, DRM_MODE_OBJECT_CRTC
);
365 list_add_tail(&crtc
->head
, &dev
->mode_config
.crtc_list
);
366 dev
->mode_config
.num_crtc
++;
367 mutex_unlock(&dev
->mode_config
.mutex
);
369 EXPORT_SYMBOL(drm_crtc_init
);
372 * drm_crtc_cleanup - Cleans up the core crtc usage.
373 * @crtc: CRTC to cleanup
376 * Caller must hold mode config lock.
378 * Cleanup @crtc. Removes from drm modesetting space
379 * does NOT free object, caller does that.
381 void drm_crtc_cleanup(struct drm_crtc
*crtc
)
383 struct drm_device
*dev
= crtc
->dev
;
385 if (crtc
->gamma_store
) {
386 kfree(crtc
->gamma_store
);
387 crtc
->gamma_store
= NULL
;
390 drm_mode_object_put(dev
, &crtc
->base
);
391 list_del(&crtc
->head
);
392 dev
->mode_config
.num_crtc
--;
394 EXPORT_SYMBOL(drm_crtc_cleanup
);
397 * drm_mode_probed_add - add a mode to a connector's probed mode list
398 * @connector: connector the new mode
402 * Caller must hold mode config lock.
404 * Add @mode to @connector's mode list for later use.
406 void drm_mode_probed_add(struct drm_connector
*connector
,
407 struct drm_display_mode
*mode
)
409 list_add(&mode
->head
, &connector
->probed_modes
);
411 EXPORT_SYMBOL(drm_mode_probed_add
);
414 * drm_mode_remove - remove and free a mode
415 * @connector: connector list to modify
416 * @mode: mode to remove
419 * Caller must hold mode config lock.
421 * Remove @mode from @connector's mode list, then free it.
423 void drm_mode_remove(struct drm_connector
*connector
,
424 struct drm_display_mode
*mode
)
426 list_del(&mode
->head
);
429 EXPORT_SYMBOL(drm_mode_remove
);
432 * drm_connector_init - Init a preallocated connector
434 * @connector: the connector to init
435 * @funcs: callbacks for this connector
436 * @name: user visible name of the connector
439 * Caller must hold @dev's mode_config lock.
441 * Initialises a preallocated connector. Connectors should be
442 * subclassed as part of driver connector objects.
444 void drm_connector_init(struct drm_device
*dev
,
445 struct drm_connector
*connector
,
446 const struct drm_connector_funcs
*funcs
,
449 mutex_lock(&dev
->mode_config
.mutex
);
451 connector
->dev
= dev
;
452 connector
->funcs
= funcs
;
453 drm_mode_object_get(dev
, &connector
->base
, DRM_MODE_OBJECT_CONNECTOR
);
454 connector
->connector_type
= connector_type
;
455 connector
->connector_type_id
=
456 ++drm_connector_enum_list
[connector_type
].count
; /* TODO */
457 INIT_LIST_HEAD(&connector
->user_modes
);
458 INIT_LIST_HEAD(&connector
->probed_modes
);
459 INIT_LIST_HEAD(&connector
->modes
);
460 connector
->edid_blob_ptr
= NULL
;
462 list_add_tail(&connector
->head
, &dev
->mode_config
.connector_list
);
463 dev
->mode_config
.num_connector
++;
465 drm_connector_attach_property(connector
,
466 dev
->mode_config
.edid_property
, 0);
468 drm_connector_attach_property(connector
,
469 dev
->mode_config
.dpms_property
, 0);
471 mutex_unlock(&dev
->mode_config
.mutex
);
473 EXPORT_SYMBOL(drm_connector_init
);
476 * drm_connector_cleanup - cleans up an initialised connector
477 * @connector: connector to cleanup
480 * Caller must hold @dev's mode_config lock.
482 * Cleans up the connector but doesn't free the object.
484 void drm_connector_cleanup(struct drm_connector
*connector
)
486 struct drm_device
*dev
= connector
->dev
;
487 struct drm_display_mode
*mode
, *t
;
489 list_for_each_entry_safe(mode
, t
, &connector
->probed_modes
, head
)
490 drm_mode_remove(connector
, mode
);
492 list_for_each_entry_safe(mode
, t
, &connector
->modes
, head
)
493 drm_mode_remove(connector
, mode
);
495 list_for_each_entry_safe(mode
, t
, &connector
->user_modes
, head
)
496 drm_mode_remove(connector
, mode
);
498 mutex_lock(&dev
->mode_config
.mutex
);
499 drm_mode_object_put(dev
, &connector
->base
);
500 list_del(&connector
->head
);
501 mutex_unlock(&dev
->mode_config
.mutex
);
503 EXPORT_SYMBOL(drm_connector_cleanup
);
505 void drm_encoder_init(struct drm_device
*dev
,
506 struct drm_encoder
*encoder
,
507 const struct drm_encoder_funcs
*funcs
,
510 mutex_lock(&dev
->mode_config
.mutex
);
514 drm_mode_object_get(dev
, &encoder
->base
, DRM_MODE_OBJECT_ENCODER
);
515 encoder
->encoder_type
= encoder_type
;
516 encoder
->funcs
= funcs
;
518 list_add_tail(&encoder
->head
, &dev
->mode_config
.encoder_list
);
519 dev
->mode_config
.num_encoder
++;
521 mutex_unlock(&dev
->mode_config
.mutex
);
523 EXPORT_SYMBOL(drm_encoder_init
);
525 void drm_encoder_cleanup(struct drm_encoder
*encoder
)
527 struct drm_device
*dev
= encoder
->dev
;
528 mutex_lock(&dev
->mode_config
.mutex
);
529 drm_mode_object_put(dev
, &encoder
->base
);
530 list_del(&encoder
->head
);
531 mutex_unlock(&dev
->mode_config
.mutex
);
533 EXPORT_SYMBOL(drm_encoder_cleanup
);
536 * drm_mode_create - create a new display mode
540 * Caller must hold DRM mode_config lock.
542 * Create a new drm_display_mode, give it an ID, and return it.
545 * Pointer to new mode on success, NULL on error.
547 struct drm_display_mode
*drm_mode_create(struct drm_device
*dev
)
549 struct drm_display_mode
*nmode
;
551 nmode
= kzalloc(sizeof(struct drm_display_mode
), GFP_KERNEL
);
555 drm_mode_object_get(dev
, &nmode
->base
, DRM_MODE_OBJECT_MODE
);
558 EXPORT_SYMBOL(drm_mode_create
);
561 * drm_mode_destroy - remove a mode
563 * @mode: mode to remove
566 * Caller must hold mode config lock.
568 * Free @mode's unique identifier, then free it.
570 void drm_mode_destroy(struct drm_device
*dev
, struct drm_display_mode
*mode
)
572 drm_mode_object_put(dev
, &mode
->base
);
576 EXPORT_SYMBOL(drm_mode_destroy
);
578 static int drm_mode_create_standard_connector_properties(struct drm_device
*dev
)
580 struct drm_property
*edid
;
581 struct drm_property
*dpms
;
585 * Standard properties (apply to all connectors)
587 edid
= drm_property_create(dev
, DRM_MODE_PROP_BLOB
|
588 DRM_MODE_PROP_IMMUTABLE
,
590 dev
->mode_config
.edid_property
= edid
;
592 dpms
= drm_property_create(dev
, DRM_MODE_PROP_ENUM
,
593 "DPMS", ARRAY_SIZE(drm_dpms_enum_list
));
594 for (i
= 0; i
< ARRAY_SIZE(drm_dpms_enum_list
); i
++)
595 drm_property_add_enum(dpms
, i
, drm_dpms_enum_list
[i
].type
,
596 drm_dpms_enum_list
[i
].name
);
597 dev
->mode_config
.dpms_property
= dpms
;
603 * drm_mode_create_dvi_i_properties - create DVI-I specific connector properties
606 * Called by a driver the first time a DVI-I connector is made.
608 int drm_mode_create_dvi_i_properties(struct drm_device
*dev
)
610 struct drm_property
*dvi_i_selector
;
611 struct drm_property
*dvi_i_subconnector
;
614 if (dev
->mode_config
.dvi_i_select_subconnector_property
)
618 drm_property_create(dev
, DRM_MODE_PROP_ENUM
,
619 "select subconnector",
620 ARRAY_SIZE(drm_dvi_i_select_enum_list
));
621 for (i
= 0; i
< ARRAY_SIZE(drm_dvi_i_select_enum_list
); i
++)
622 drm_property_add_enum(dvi_i_selector
, i
,
623 drm_dvi_i_select_enum_list
[i
].type
,
624 drm_dvi_i_select_enum_list
[i
].name
);
625 dev
->mode_config
.dvi_i_select_subconnector_property
= dvi_i_selector
;
628 drm_property_create(dev
, DRM_MODE_PROP_ENUM
|
629 DRM_MODE_PROP_IMMUTABLE
,
631 ARRAY_SIZE(drm_dvi_i_subconnector_enum_list
));
632 for (i
= 0; i
< ARRAY_SIZE(drm_dvi_i_subconnector_enum_list
); i
++)
633 drm_property_add_enum(dvi_i_subconnector
, i
,
634 drm_dvi_i_subconnector_enum_list
[i
].type
,
635 drm_dvi_i_subconnector_enum_list
[i
].name
);
636 dev
->mode_config
.dvi_i_subconnector_property
= dvi_i_subconnector
;
640 EXPORT_SYMBOL(drm_mode_create_dvi_i_properties
);
643 * drm_create_tv_properties - create TV specific connector properties
645 * @num_modes: number of different TV formats (modes) supported
646 * @modes: array of pointers to strings containing name of each format
648 * Called by a driver's TV initialization routine, this function creates
649 * the TV specific connector properties for a given device. Caller is
650 * responsible for allocating a list of format names and passing them to
653 int drm_mode_create_tv_properties(struct drm_device
*dev
, int num_modes
,
656 struct drm_property
*tv_selector
;
657 struct drm_property
*tv_subconnector
;
660 if (dev
->mode_config
.tv_select_subconnector_property
)
664 * Basic connector properties
666 tv_selector
= drm_property_create(dev
, DRM_MODE_PROP_ENUM
,
667 "select subconnector",
668 ARRAY_SIZE(drm_tv_select_enum_list
));
669 for (i
= 0; i
< ARRAY_SIZE(drm_tv_select_enum_list
); i
++)
670 drm_property_add_enum(tv_selector
, i
,
671 drm_tv_select_enum_list
[i
].type
,
672 drm_tv_select_enum_list
[i
].name
);
673 dev
->mode_config
.tv_select_subconnector_property
= tv_selector
;
676 drm_property_create(dev
, DRM_MODE_PROP_ENUM
|
677 DRM_MODE_PROP_IMMUTABLE
, "subconnector",
678 ARRAY_SIZE(drm_tv_subconnector_enum_list
));
679 for (i
= 0; i
< ARRAY_SIZE(drm_tv_subconnector_enum_list
); i
++)
680 drm_property_add_enum(tv_subconnector
, i
,
681 drm_tv_subconnector_enum_list
[i
].type
,
682 drm_tv_subconnector_enum_list
[i
].name
);
683 dev
->mode_config
.tv_subconnector_property
= tv_subconnector
;
686 * Other, TV specific properties: margins & TV modes.
688 dev
->mode_config
.tv_left_margin_property
=
689 drm_property_create(dev
, DRM_MODE_PROP_RANGE
,
691 dev
->mode_config
.tv_left_margin_property
->values
[0] = 0;
692 dev
->mode_config
.tv_left_margin_property
->values
[1] = 100;
694 dev
->mode_config
.tv_right_margin_property
=
695 drm_property_create(dev
, DRM_MODE_PROP_RANGE
,
697 dev
->mode_config
.tv_right_margin_property
->values
[0] = 0;
698 dev
->mode_config
.tv_right_margin_property
->values
[1] = 100;
700 dev
->mode_config
.tv_top_margin_property
=
701 drm_property_create(dev
, DRM_MODE_PROP_RANGE
,
703 dev
->mode_config
.tv_top_margin_property
->values
[0] = 0;
704 dev
->mode_config
.tv_top_margin_property
->values
[1] = 100;
706 dev
->mode_config
.tv_bottom_margin_property
=
707 drm_property_create(dev
, DRM_MODE_PROP_RANGE
,
709 dev
->mode_config
.tv_bottom_margin_property
->values
[0] = 0;
710 dev
->mode_config
.tv_bottom_margin_property
->values
[1] = 100;
712 dev
->mode_config
.tv_mode_property
=
713 drm_property_create(dev
, DRM_MODE_PROP_ENUM
,
715 for (i
= 0; i
< num_modes
; i
++)
716 drm_property_add_enum(dev
->mode_config
.tv_mode_property
, i
,
721 EXPORT_SYMBOL(drm_mode_create_tv_properties
);
724 * drm_mode_create_scaling_mode_property - create scaling mode property
727 * Called by a driver the first time it's needed, must be attached to desired
730 int drm_mode_create_scaling_mode_property(struct drm_device
*dev
)
732 struct drm_property
*scaling_mode
;
735 if (dev
->mode_config
.scaling_mode_property
)
739 drm_property_create(dev
, DRM_MODE_PROP_ENUM
, "scaling mode",
740 ARRAY_SIZE(drm_scaling_mode_enum_list
));
741 for (i
= 0; i
< ARRAY_SIZE(drm_scaling_mode_enum_list
); i
++)
742 drm_property_add_enum(scaling_mode
, i
,
743 drm_scaling_mode_enum_list
[i
].type
,
744 drm_scaling_mode_enum_list
[i
].name
);
746 dev
->mode_config
.scaling_mode_property
= scaling_mode
;
750 EXPORT_SYMBOL(drm_mode_create_scaling_mode_property
);
753 * drm_mode_create_dithering_property - create dithering property
756 * Called by a driver the first time it's needed, must be attached to desired
759 int drm_mode_create_dithering_property(struct drm_device
*dev
)
761 struct drm_property
*dithering_mode
;
764 if (dev
->mode_config
.dithering_mode_property
)
768 drm_property_create(dev
, DRM_MODE_PROP_ENUM
, "dithering",
769 ARRAY_SIZE(drm_dithering_mode_enum_list
));
770 for (i
= 0; i
< ARRAY_SIZE(drm_dithering_mode_enum_list
); i
++)
771 drm_property_add_enum(dithering_mode
, i
,
772 drm_dithering_mode_enum_list
[i
].type
,
773 drm_dithering_mode_enum_list
[i
].name
);
774 dev
->mode_config
.dithering_mode_property
= dithering_mode
;
778 EXPORT_SYMBOL(drm_mode_create_dithering_property
);
781 * drm_mode_config_init - initialize DRM mode_configuration structure
785 * None, should happen single threaded at init time.
787 * Initialize @dev's mode_config structure, used for tracking the graphics
788 * configuration of @dev.
790 void drm_mode_config_init(struct drm_device
*dev
)
792 mutex_init(&dev
->mode_config
.mutex
);
793 mutex_init(&dev
->mode_config
.idr_mutex
);
794 INIT_LIST_HEAD(&dev
->mode_config
.fb_list
);
795 INIT_LIST_HEAD(&dev
->mode_config
.fb_kernel_list
);
796 INIT_LIST_HEAD(&dev
->mode_config
.crtc_list
);
797 INIT_LIST_HEAD(&dev
->mode_config
.connector_list
);
798 INIT_LIST_HEAD(&dev
->mode_config
.encoder_list
);
799 INIT_LIST_HEAD(&dev
->mode_config
.property_list
);
800 INIT_LIST_HEAD(&dev
->mode_config
.property_blob_list
);
801 idr_init(&dev
->mode_config
.crtc_idr
);
803 mutex_lock(&dev
->mode_config
.mutex
);
804 drm_mode_create_standard_connector_properties(dev
);
805 mutex_unlock(&dev
->mode_config
.mutex
);
807 /* Just to be sure */
808 dev
->mode_config
.num_fb
= 0;
809 dev
->mode_config
.num_connector
= 0;
810 dev
->mode_config
.num_crtc
= 0;
811 dev
->mode_config
.num_encoder
= 0;
813 EXPORT_SYMBOL(drm_mode_config_init
);
815 int drm_mode_group_init(struct drm_device
*dev
, struct drm_mode_group
*group
)
817 uint32_t total_objects
= 0;
819 total_objects
+= dev
->mode_config
.num_crtc
;
820 total_objects
+= dev
->mode_config
.num_connector
;
821 total_objects
+= dev
->mode_config
.num_encoder
;
823 if (total_objects
== 0)
826 group
->id_list
= kzalloc(total_objects
* sizeof(uint32_t), GFP_KERNEL
);
830 group
->num_crtcs
= 0;
831 group
->num_connectors
= 0;
832 group
->num_encoders
= 0;
836 int drm_mode_group_init_legacy_group(struct drm_device
*dev
,
837 struct drm_mode_group
*group
)
839 struct drm_crtc
*crtc
;
840 struct drm_encoder
*encoder
;
841 struct drm_connector
*connector
;
844 if ((ret
= drm_mode_group_init(dev
, group
)))
847 list_for_each_entry(crtc
, &dev
->mode_config
.crtc_list
, head
)
848 group
->id_list
[group
->num_crtcs
++] = crtc
->base
.id
;
850 list_for_each_entry(encoder
, &dev
->mode_config
.encoder_list
, head
)
851 group
->id_list
[group
->num_crtcs
+ group
->num_encoders
++] =
854 list_for_each_entry(connector
, &dev
->mode_config
.connector_list
, head
)
855 group
->id_list
[group
->num_crtcs
+ group
->num_encoders
+
856 group
->num_connectors
++] = connector
->base
.id
;
862 * drm_mode_config_cleanup - free up DRM mode_config info
866 * Caller must hold mode config lock.
868 * Free up all the connectors and CRTCs associated with this DRM device, then
869 * free up the framebuffers and associated buffer objects.
871 * FIXME: cleanup any dangling user buffer objects too
873 void drm_mode_config_cleanup(struct drm_device
*dev
)
875 struct drm_connector
*connector
, *ot
;
876 struct drm_crtc
*crtc
, *ct
;
877 struct drm_encoder
*encoder
, *enct
;
878 struct drm_framebuffer
*fb
, *fbt
;
879 struct drm_property
*property
, *pt
;
881 list_for_each_entry_safe(encoder
, enct
, &dev
->mode_config
.encoder_list
,
883 encoder
->funcs
->destroy(encoder
);
886 list_for_each_entry_safe(connector
, ot
,
887 &dev
->mode_config
.connector_list
, head
) {
888 connector
->funcs
->destroy(connector
);
891 list_for_each_entry_safe(property
, pt
, &dev
->mode_config
.property_list
,
893 drm_property_destroy(dev
, property
);
896 list_for_each_entry_safe(fb
, fbt
, &dev
->mode_config
.fb_list
, head
) {
897 fb
->funcs
->destroy(fb
);
900 list_for_each_entry_safe(crtc
, ct
, &dev
->mode_config
.crtc_list
, head
) {
901 crtc
->funcs
->destroy(crtc
);
905 EXPORT_SYMBOL(drm_mode_config_cleanup
);
908 * drm_crtc_convert_to_umode - convert a drm_display_mode into a modeinfo
909 * @out: drm_mode_modeinfo struct to return to the user
910 * @in: drm_display_mode to use
915 * Convert a drm_display_mode into a drm_mode_modeinfo structure to return to
918 void drm_crtc_convert_to_umode(struct drm_mode_modeinfo
*out
,
919 struct drm_display_mode
*in
)
921 out
->clock
= in
->clock
;
922 out
->hdisplay
= in
->hdisplay
;
923 out
->hsync_start
= in
->hsync_start
;
924 out
->hsync_end
= in
->hsync_end
;
925 out
->htotal
= in
->htotal
;
926 out
->hskew
= in
->hskew
;
927 out
->vdisplay
= in
->vdisplay
;
928 out
->vsync_start
= in
->vsync_start
;
929 out
->vsync_end
= in
->vsync_end
;
930 out
->vtotal
= in
->vtotal
;
931 out
->vscan
= in
->vscan
;
932 out
->vrefresh
= in
->vrefresh
;
933 out
->flags
= in
->flags
;
934 out
->type
= in
->type
;
935 strncpy(out
->name
, in
->name
, DRM_DISPLAY_MODE_LEN
);
936 out
->name
[DRM_DISPLAY_MODE_LEN
-1] = 0;
940 * drm_crtc_convert_to_umode - convert a modeinfo into a drm_display_mode
941 * @out: drm_display_mode to return to the user
942 * @in: drm_mode_modeinfo to use
947 * Convert a drm_mode_modeinfo into a drm_display_mode structure to return to
950 void drm_crtc_convert_umode(struct drm_display_mode
*out
,
951 struct drm_mode_modeinfo
*in
)
953 out
->clock
= in
->clock
;
954 out
->hdisplay
= in
->hdisplay
;
955 out
->hsync_start
= in
->hsync_start
;
956 out
->hsync_end
= in
->hsync_end
;
957 out
->htotal
= in
->htotal
;
958 out
->hskew
= in
->hskew
;
959 out
->vdisplay
= in
->vdisplay
;
960 out
->vsync_start
= in
->vsync_start
;
961 out
->vsync_end
= in
->vsync_end
;
962 out
->vtotal
= in
->vtotal
;
963 out
->vscan
= in
->vscan
;
964 out
->vrefresh
= in
->vrefresh
;
965 out
->flags
= in
->flags
;
966 out
->type
= in
->type
;
967 strncpy(out
->name
, in
->name
, DRM_DISPLAY_MODE_LEN
);
968 out
->name
[DRM_DISPLAY_MODE_LEN
-1] = 0;
972 * drm_mode_getresources - get graphics configuration
973 * @inode: inode from the ioctl
974 * @filp: file * from the ioctl
975 * @cmd: cmd from ioctl
976 * @arg: arg from ioctl
979 * Takes mode config lock.
981 * Construct a set of configuration description structures and return
982 * them to the user, including CRTC, connector and framebuffer configuration.
984 * Called by the user via ioctl.
987 * Zero on success, errno on failure.
989 int drm_mode_getresources(struct drm_device
*dev
, void *data
,
990 struct drm_file
*file_priv
)
992 struct drm_mode_card_res
*card_res
= data
;
993 struct list_head
*lh
;
994 struct drm_framebuffer
*fb
;
995 struct drm_connector
*connector
;
996 struct drm_crtc
*crtc
;
997 struct drm_encoder
*encoder
;
999 int connector_count
= 0;
1002 int encoder_count
= 0;
1004 uint32_t __user
*fb_id
;
1005 uint32_t __user
*crtc_id
;
1006 uint32_t __user
*connector_id
;
1007 uint32_t __user
*encoder_id
;
1008 struct drm_mode_group
*mode_group
;
1010 mutex_lock(&dev
->mode_config
.mutex
);
1013 * For the non-control nodes we need to limit the list of resources
1014 * by IDs in the group list for this node
1016 list_for_each(lh
, &file_priv
->fbs
)
1019 mode_group
= &file_priv
->master
->minor
->mode_group
;
1020 if (file_priv
->master
->minor
->type
== DRM_MINOR_CONTROL
) {
1022 list_for_each(lh
, &dev
->mode_config
.crtc_list
)
1025 list_for_each(lh
, &dev
->mode_config
.connector_list
)
1028 list_for_each(lh
, &dev
->mode_config
.encoder_list
)
1032 crtc_count
= mode_group
->num_crtcs
;
1033 connector_count
= mode_group
->num_connectors
;
1034 encoder_count
= mode_group
->num_encoders
;
1037 card_res
->max_height
= dev
->mode_config
.max_height
;
1038 card_res
->min_height
= dev
->mode_config
.min_height
;
1039 card_res
->max_width
= dev
->mode_config
.max_width
;
1040 card_res
->min_width
= dev
->mode_config
.min_width
;
1042 /* handle this in 4 parts */
1044 if (card_res
->count_fbs
>= fb_count
) {
1046 fb_id
= (uint32_t __user
*)(unsigned long)card_res
->fb_id_ptr
;
1047 list_for_each_entry(fb
, &file_priv
->fbs
, head
) {
1048 if (put_user(fb
->base
.id
, fb_id
+ copied
)) {
1055 card_res
->count_fbs
= fb_count
;
1058 if (card_res
->count_crtcs
>= crtc_count
) {
1060 crtc_id
= (uint32_t __user
*)(unsigned long)card_res
->crtc_id_ptr
;
1061 if (file_priv
->master
->minor
->type
== DRM_MINOR_CONTROL
) {
1062 list_for_each_entry(crtc
, &dev
->mode_config
.crtc_list
,
1064 DRM_DEBUG_KMS("CRTC ID is %d\n", crtc
->base
.id
);
1065 if (put_user(crtc
->base
.id
, crtc_id
+ copied
)) {
1072 for (i
= 0; i
< mode_group
->num_crtcs
; i
++) {
1073 if (put_user(mode_group
->id_list
[i
],
1074 crtc_id
+ copied
)) {
1082 card_res
->count_crtcs
= crtc_count
;
1085 if (card_res
->count_encoders
>= encoder_count
) {
1087 encoder_id
= (uint32_t __user
*)(unsigned long)card_res
->encoder_id_ptr
;
1088 if (file_priv
->master
->minor
->type
== DRM_MINOR_CONTROL
) {
1089 list_for_each_entry(encoder
,
1090 &dev
->mode_config
.encoder_list
,
1092 DRM_DEBUG_KMS("ENCODER ID is %d\n",
1094 if (put_user(encoder
->base
.id
, encoder_id
+
1102 for (i
= mode_group
->num_crtcs
; i
< mode_group
->num_crtcs
+ mode_group
->num_encoders
; i
++) {
1103 if (put_user(mode_group
->id_list
[i
],
1104 encoder_id
+ copied
)) {
1113 card_res
->count_encoders
= encoder_count
;
1116 if (card_res
->count_connectors
>= connector_count
) {
1118 connector_id
= (uint32_t __user
*)(unsigned long)card_res
->connector_id_ptr
;
1119 if (file_priv
->master
->minor
->type
== DRM_MINOR_CONTROL
) {
1120 list_for_each_entry(connector
,
1121 &dev
->mode_config
.connector_list
,
1123 DRM_DEBUG_KMS("CONNECTOR ID is %d\n",
1124 connector
->base
.id
);
1125 if (put_user(connector
->base
.id
,
1126 connector_id
+ copied
)) {
1133 int start
= mode_group
->num_crtcs
+
1134 mode_group
->num_encoders
;
1135 for (i
= start
; i
< start
+ mode_group
->num_connectors
; i
++) {
1136 if (put_user(mode_group
->id_list
[i
],
1137 connector_id
+ copied
)) {
1145 card_res
->count_connectors
= connector_count
;
1147 DRM_DEBUG_KMS("Counted %d %d %d\n", card_res
->count_crtcs
,
1148 card_res
->count_connectors
, card_res
->count_encoders
);
1151 mutex_unlock(&dev
->mode_config
.mutex
);
1156 * drm_mode_getcrtc - get CRTC configuration
1157 * @inode: inode from the ioctl
1158 * @filp: file * from the ioctl
1159 * @cmd: cmd from ioctl
1160 * @arg: arg from ioctl
1165 * Construct a CRTC configuration structure to return to the user.
1167 * Called by the user via ioctl.
1170 * Zero on success, errno on failure.
1172 int drm_mode_getcrtc(struct drm_device
*dev
,
1173 void *data
, struct drm_file
*file_priv
)
1175 struct drm_mode_crtc
*crtc_resp
= data
;
1176 struct drm_crtc
*crtc
;
1177 struct drm_mode_object
*obj
;
1180 mutex_lock(&dev
->mode_config
.mutex
);
1182 obj
= drm_mode_object_find(dev
, crtc_resp
->crtc_id
,
1183 DRM_MODE_OBJECT_CRTC
);
1188 crtc
= obj_to_crtc(obj
);
1190 crtc_resp
->x
= crtc
->x
;
1191 crtc_resp
->y
= crtc
->y
;
1192 crtc_resp
->gamma_size
= crtc
->gamma_size
;
1194 crtc_resp
->fb_id
= crtc
->fb
->base
.id
;
1196 crtc_resp
->fb_id
= 0;
1198 if (crtc
->enabled
) {
1200 drm_crtc_convert_to_umode(&crtc_resp
->mode
, &crtc
->mode
);
1201 crtc_resp
->mode_valid
= 1;
1204 crtc_resp
->mode_valid
= 0;
1208 mutex_unlock(&dev
->mode_config
.mutex
);
1213 * drm_mode_getconnector - get connector configuration
1214 * @inode: inode from the ioctl
1215 * @filp: file * from the ioctl
1216 * @cmd: cmd from ioctl
1217 * @arg: arg from ioctl
1222 * Construct a connector configuration structure to return to the user.
1224 * Called by the user via ioctl.
1227 * Zero on success, errno on failure.
1229 int drm_mode_getconnector(struct drm_device
*dev
, void *data
,
1230 struct drm_file
*file_priv
)
1232 struct drm_mode_get_connector
*out_resp
= data
;
1233 struct drm_mode_object
*obj
;
1234 struct drm_connector
*connector
;
1235 struct drm_display_mode
*mode
;
1237 int props_count
= 0;
1238 int encoders_count
= 0;
1242 struct drm_mode_modeinfo u_mode
;
1243 struct drm_mode_modeinfo __user
*mode_ptr
;
1244 uint32_t __user
*prop_ptr
;
1245 uint64_t __user
*prop_values
;
1246 uint32_t __user
*encoder_ptr
;
1248 memset(&u_mode
, 0, sizeof(struct drm_mode_modeinfo
));
1250 DRM_DEBUG_KMS("connector id %d:\n", out_resp
->connector_id
);
1252 mutex_lock(&dev
->mode_config
.mutex
);
1254 obj
= drm_mode_object_find(dev
, out_resp
->connector_id
,
1255 DRM_MODE_OBJECT_CONNECTOR
);
1260 connector
= obj_to_connector(obj
);
1262 for (i
= 0; i
< DRM_CONNECTOR_MAX_PROPERTY
; i
++) {
1263 if (connector
->property_ids
[i
] != 0) {
1268 for (i
= 0; i
< DRM_CONNECTOR_MAX_ENCODER
; i
++) {
1269 if (connector
->encoder_ids
[i
] != 0) {
1274 if (out_resp
->count_modes
== 0) {
1275 connector
->funcs
->fill_modes(connector
,
1276 dev
->mode_config
.max_width
,
1277 dev
->mode_config
.max_height
);
1280 /* delayed so we get modes regardless of pre-fill_modes state */
1281 list_for_each_entry(mode
, &connector
->modes
, head
)
1284 out_resp
->connector_id
= connector
->base
.id
;
1285 out_resp
->connector_type
= connector
->connector_type
;
1286 out_resp
->connector_type_id
= connector
->connector_type_id
;
1287 out_resp
->mm_width
= connector
->display_info
.width_mm
;
1288 out_resp
->mm_height
= connector
->display_info
.height_mm
;
1289 out_resp
->subpixel
= connector
->display_info
.subpixel_order
;
1290 out_resp
->connection
= connector
->status
;
1291 if (connector
->encoder
)
1292 out_resp
->encoder_id
= connector
->encoder
->base
.id
;
1294 out_resp
->encoder_id
= 0;
1297 * This ioctl is called twice, once to determine how much space is
1298 * needed, and the 2nd time to fill it.
1300 if ((out_resp
->count_modes
>= mode_count
) && mode_count
) {
1302 mode_ptr
= (struct drm_mode_modeinfo
*)(unsigned long)out_resp
->modes_ptr
;
1303 list_for_each_entry(mode
, &connector
->modes
, head
) {
1304 drm_crtc_convert_to_umode(&u_mode
, mode
);
1305 if (copy_to_user(mode_ptr
+ copied
,
1306 &u_mode
, sizeof(u_mode
))) {
1313 out_resp
->count_modes
= mode_count
;
1315 if ((out_resp
->count_props
>= props_count
) && props_count
) {
1317 prop_ptr
= (uint32_t *)(unsigned long)(out_resp
->props_ptr
);
1318 prop_values
= (uint64_t *)(unsigned long)(out_resp
->prop_values_ptr
);
1319 for (i
= 0; i
< DRM_CONNECTOR_MAX_PROPERTY
; i
++) {
1320 if (connector
->property_ids
[i
] != 0) {
1321 if (put_user(connector
->property_ids
[i
],
1322 prop_ptr
+ copied
)) {
1327 if (put_user(connector
->property_values
[i
],
1328 prop_values
+ copied
)) {
1336 out_resp
->count_props
= props_count
;
1338 if ((out_resp
->count_encoders
>= encoders_count
) && encoders_count
) {
1340 encoder_ptr
= (uint32_t *)(unsigned long)(out_resp
->encoders_ptr
);
1341 for (i
= 0; i
< DRM_CONNECTOR_MAX_ENCODER
; i
++) {
1342 if (connector
->encoder_ids
[i
] != 0) {
1343 if (put_user(connector
->encoder_ids
[i
],
1344 encoder_ptr
+ copied
)) {
1352 out_resp
->count_encoders
= encoders_count
;
1355 mutex_unlock(&dev
->mode_config
.mutex
);
1359 int drm_mode_getencoder(struct drm_device
*dev
, void *data
,
1360 struct drm_file
*file_priv
)
1362 struct drm_mode_get_encoder
*enc_resp
= data
;
1363 struct drm_mode_object
*obj
;
1364 struct drm_encoder
*encoder
;
1367 mutex_lock(&dev
->mode_config
.mutex
);
1368 obj
= drm_mode_object_find(dev
, enc_resp
->encoder_id
,
1369 DRM_MODE_OBJECT_ENCODER
);
1374 encoder
= obj_to_encoder(obj
);
1377 enc_resp
->crtc_id
= encoder
->crtc
->base
.id
;
1379 enc_resp
->crtc_id
= 0;
1380 enc_resp
->encoder_type
= encoder
->encoder_type
;
1381 enc_resp
->encoder_id
= encoder
->base
.id
;
1382 enc_resp
->possible_crtcs
= encoder
->possible_crtcs
;
1383 enc_resp
->possible_clones
= encoder
->possible_clones
;
1386 mutex_unlock(&dev
->mode_config
.mutex
);
1391 * drm_mode_setcrtc - set CRTC configuration
1392 * @inode: inode from the ioctl
1393 * @filp: file * from the ioctl
1394 * @cmd: cmd from ioctl
1395 * @arg: arg from ioctl
1400 * Build a new CRTC configuration based on user request.
1402 * Called by the user via ioctl.
1405 * Zero on success, errno on failure.
1407 int drm_mode_setcrtc(struct drm_device
*dev
, void *data
,
1408 struct drm_file
*file_priv
)
1410 struct drm_mode_config
*config
= &dev
->mode_config
;
1411 struct drm_mode_crtc
*crtc_req
= data
;
1412 struct drm_mode_object
*obj
;
1413 struct drm_crtc
*crtc
, *crtcfb
;
1414 struct drm_connector
**connector_set
= NULL
, *connector
;
1415 struct drm_framebuffer
*fb
= NULL
;
1416 struct drm_display_mode
*mode
= NULL
;
1417 struct drm_mode_set set
;
1418 uint32_t __user
*set_connectors_ptr
;
1422 mutex_lock(&dev
->mode_config
.mutex
);
1423 obj
= drm_mode_object_find(dev
, crtc_req
->crtc_id
,
1424 DRM_MODE_OBJECT_CRTC
);
1426 DRM_DEBUG_KMS("Unknown CRTC ID %d\n", crtc_req
->crtc_id
);
1430 crtc
= obj_to_crtc(obj
);
1432 if (crtc_req
->mode_valid
) {
1433 /* If we have a mode we need a framebuffer. */
1434 /* If we pass -1, set the mode with the currently bound fb */
1435 if (crtc_req
->fb_id
== -1) {
1436 list_for_each_entry(crtcfb
,
1437 &dev
->mode_config
.crtc_list
, head
) {
1438 if (crtcfb
== crtc
) {
1439 DRM_DEBUG_KMS("Using current fb for "
1445 obj
= drm_mode_object_find(dev
, crtc_req
->fb_id
,
1446 DRM_MODE_OBJECT_FB
);
1448 DRM_DEBUG_KMS("Unknown FB ID%d\n",
1453 fb
= obj_to_fb(obj
);
1456 mode
= drm_mode_create(dev
);
1457 drm_crtc_convert_umode(mode
, &crtc_req
->mode
);
1458 drm_mode_set_crtcinfo(mode
, CRTC_INTERLACE_HALVE_V
);
1461 if (crtc_req
->count_connectors
== 0 && mode
) {
1462 DRM_DEBUG_KMS("Count connectors is 0 but mode set\n");
1467 if (crtc_req
->count_connectors
> 0 && !mode
&& !fb
) {
1468 DRM_DEBUG_KMS("Count connectors is %d but no mode or fb set\n",
1469 crtc_req
->count_connectors
);
1474 if (crtc_req
->count_connectors
> 0) {
1477 /* Avoid unbounded kernel memory allocation */
1478 if (crtc_req
->count_connectors
> config
->num_connector
) {
1483 connector_set
= kmalloc(crtc_req
->count_connectors
*
1484 sizeof(struct drm_connector
*),
1486 if (!connector_set
) {
1491 for (i
= 0; i
< crtc_req
->count_connectors
; i
++) {
1492 set_connectors_ptr
= (uint32_t *)(unsigned long)crtc_req
->set_connectors_ptr
;
1493 if (get_user(out_id
, &set_connectors_ptr
[i
])) {
1498 obj
= drm_mode_object_find(dev
, out_id
,
1499 DRM_MODE_OBJECT_CONNECTOR
);
1501 DRM_DEBUG_KMS("Connector id %d unknown\n",
1506 connector
= obj_to_connector(obj
);
1508 connector_set
[i
] = connector
;
1513 set
.x
= crtc_req
->x
;
1514 set
.y
= crtc_req
->y
;
1516 set
.connectors
= connector_set
;
1517 set
.num_connectors
= crtc_req
->count_connectors
;
1519 ret
= crtc
->funcs
->set_config(&set
);
1522 kfree(connector_set
);
1523 mutex_unlock(&dev
->mode_config
.mutex
);
1527 int drm_mode_cursor_ioctl(struct drm_device
*dev
,
1528 void *data
, struct drm_file
*file_priv
)
1530 struct drm_mode_cursor
*req
= data
;
1531 struct drm_mode_object
*obj
;
1532 struct drm_crtc
*crtc
;
1535 DRM_DEBUG_KMS("\n");
1538 DRM_ERROR("no operation set\n");
1542 mutex_lock(&dev
->mode_config
.mutex
);
1543 obj
= drm_mode_object_find(dev
, req
->crtc_id
, DRM_MODE_OBJECT_CRTC
);
1545 DRM_DEBUG_KMS("Unknown CRTC ID %d\n", req
->crtc_id
);
1549 crtc
= obj_to_crtc(obj
);
1551 if (req
->flags
& DRM_MODE_CURSOR_BO
) {
1552 if (!crtc
->funcs
->cursor_set
) {
1553 DRM_ERROR("crtc does not support cursor\n");
1557 /* Turns off the cursor if handle is 0 */
1558 ret
= crtc
->funcs
->cursor_set(crtc
, file_priv
, req
->handle
,
1559 req
->width
, req
->height
);
1562 if (req
->flags
& DRM_MODE_CURSOR_MOVE
) {
1563 if (crtc
->funcs
->cursor_move
) {
1564 ret
= crtc
->funcs
->cursor_move(crtc
, req
->x
, req
->y
);
1566 DRM_ERROR("crtc does not support cursor\n");
1572 mutex_unlock(&dev
->mode_config
.mutex
);
1577 * drm_mode_addfb - add an FB to the graphics configuration
1578 * @inode: inode from the ioctl
1579 * @filp: file * from the ioctl
1580 * @cmd: cmd from ioctl
1581 * @arg: arg from ioctl
1584 * Takes mode config lock.
1586 * Add a new FB to the specified CRTC, given a user request.
1588 * Called by the user via ioctl.
1591 * Zero on success, errno on failure.
1593 int drm_mode_addfb(struct drm_device
*dev
,
1594 void *data
, struct drm_file
*file_priv
)
1596 struct drm_mode_fb_cmd
*r
= data
;
1597 struct drm_mode_config
*config
= &dev
->mode_config
;
1598 struct drm_framebuffer
*fb
;
1601 if ((config
->min_width
> r
->width
) || (r
->width
> config
->max_width
)) {
1602 DRM_ERROR("mode new framebuffer width not within limits\n");
1605 if ((config
->min_height
> r
->height
) || (r
->height
> config
->max_height
)) {
1606 DRM_ERROR("mode new framebuffer height not within limits\n");
1610 mutex_lock(&dev
->mode_config
.mutex
);
1612 /* TODO check buffer is sufficently large */
1613 /* TODO setup destructor callback */
1615 fb
= dev
->mode_config
.funcs
->fb_create(dev
, file_priv
, r
);
1617 DRM_ERROR("could not create framebuffer\n");
1622 r
->fb_id
= fb
->base
.id
;
1623 list_add(&fb
->filp_head
, &file_priv
->fbs
);
1626 mutex_unlock(&dev
->mode_config
.mutex
);
1631 * drm_mode_rmfb - remove an FB from the configuration
1632 * @inode: inode from the ioctl
1633 * @filp: file * from the ioctl
1634 * @cmd: cmd from ioctl
1635 * @arg: arg from ioctl
1638 * Takes mode config lock.
1640 * Remove the FB specified by the user.
1642 * Called by the user via ioctl.
1645 * Zero on success, errno on failure.
1647 int drm_mode_rmfb(struct drm_device
*dev
,
1648 void *data
, struct drm_file
*file_priv
)
1650 struct drm_mode_object
*obj
;
1651 struct drm_framebuffer
*fb
= NULL
;
1652 struct drm_framebuffer
*fbl
= NULL
;
1653 uint32_t *id
= data
;
1657 mutex_lock(&dev
->mode_config
.mutex
);
1658 obj
= drm_mode_object_find(dev
, *id
, DRM_MODE_OBJECT_FB
);
1659 /* TODO check that we realy get a framebuffer back. */
1661 DRM_ERROR("mode invalid framebuffer id\n");
1665 fb
= obj_to_fb(obj
);
1667 list_for_each_entry(fbl
, &file_priv
->fbs
, filp_head
)
1672 DRM_ERROR("tried to remove a fb that we didn't own\n");
1677 /* TODO release all crtc connected to the framebuffer */
1678 /* TODO unhock the destructor from the buffer object */
1680 list_del(&fb
->filp_head
);
1681 fb
->funcs
->destroy(fb
);
1684 mutex_unlock(&dev
->mode_config
.mutex
);
1689 * drm_mode_getfb - get FB info
1690 * @inode: inode from the ioctl
1691 * @filp: file * from the ioctl
1692 * @cmd: cmd from ioctl
1693 * @arg: arg from ioctl
1698 * Lookup the FB given its ID and return info about it.
1700 * Called by the user via ioctl.
1703 * Zero on success, errno on failure.
1705 int drm_mode_getfb(struct drm_device
*dev
,
1706 void *data
, struct drm_file
*file_priv
)
1708 struct drm_mode_fb_cmd
*r
= data
;
1709 struct drm_mode_object
*obj
;
1710 struct drm_framebuffer
*fb
;
1713 mutex_lock(&dev
->mode_config
.mutex
);
1714 obj
= drm_mode_object_find(dev
, r
->fb_id
, DRM_MODE_OBJECT_FB
);
1716 DRM_ERROR("invalid framebuffer id\n");
1720 fb
= obj_to_fb(obj
);
1722 r
->height
= fb
->height
;
1723 r
->width
= fb
->width
;
1724 r
->depth
= fb
->depth
;
1725 r
->bpp
= fb
->bits_per_pixel
;
1726 r
->pitch
= fb
->pitch
;
1727 fb
->funcs
->create_handle(fb
, file_priv
, &r
->handle
);
1730 mutex_unlock(&dev
->mode_config
.mutex
);
1735 * drm_fb_release - remove and free the FBs on this file
1736 * @filp: file * from the ioctl
1739 * Takes mode config lock.
1741 * Destroy all the FBs associated with @filp.
1743 * Called by the user via ioctl.
1746 * Zero on success, errno on failure.
1748 void drm_fb_release(struct drm_file
*priv
)
1750 struct drm_device
*dev
= priv
->minor
->dev
;
1751 struct drm_framebuffer
*fb
, *tfb
;
1753 mutex_lock(&dev
->mode_config
.mutex
);
1754 list_for_each_entry_safe(fb
, tfb
, &priv
->fbs
, filp_head
) {
1755 list_del(&fb
->filp_head
);
1756 fb
->funcs
->destroy(fb
);
1758 mutex_unlock(&dev
->mode_config
.mutex
);
1762 * drm_mode_attachmode - add a mode to the user mode list
1764 * @connector: connector to add the mode to
1765 * @mode: mode to add
1767 * Add @mode to @connector's user mode list.
1769 static int drm_mode_attachmode(struct drm_device
*dev
,
1770 struct drm_connector
*connector
,
1771 struct drm_display_mode
*mode
)
1775 list_add_tail(&mode
->head
, &connector
->user_modes
);
1779 int drm_mode_attachmode_crtc(struct drm_device
*dev
, struct drm_crtc
*crtc
,
1780 struct drm_display_mode
*mode
)
1782 struct drm_connector
*connector
;
1784 struct drm_display_mode
*dup_mode
;
1786 list_for_each_entry(connector
, &dev
->mode_config
.connector_list
, head
) {
1787 if (!connector
->encoder
)
1789 if (connector
->encoder
->crtc
== crtc
) {
1791 dup_mode
= drm_mode_duplicate(dev
, mode
);
1794 ret
= drm_mode_attachmode(dev
, connector
, dup_mode
);
1802 EXPORT_SYMBOL(drm_mode_attachmode_crtc
);
1804 static int drm_mode_detachmode(struct drm_device
*dev
,
1805 struct drm_connector
*connector
,
1806 struct drm_display_mode
*mode
)
1810 struct drm_display_mode
*match_mode
, *t
;
1812 list_for_each_entry_safe(match_mode
, t
, &connector
->user_modes
, head
) {
1813 if (drm_mode_equal(match_mode
, mode
)) {
1814 list_del(&match_mode
->head
);
1815 drm_mode_destroy(dev
, match_mode
);
1827 int drm_mode_detachmode_crtc(struct drm_device
*dev
, struct drm_display_mode
*mode
)
1829 struct drm_connector
*connector
;
1831 list_for_each_entry(connector
, &dev
->mode_config
.connector_list
, head
) {
1832 drm_mode_detachmode(dev
, connector
, mode
);
1836 EXPORT_SYMBOL(drm_mode_detachmode_crtc
);
1839 * drm_fb_attachmode - Attach a user mode to an connector
1840 * @inode: inode from the ioctl
1841 * @filp: file * from the ioctl
1842 * @cmd: cmd from ioctl
1843 * @arg: arg from ioctl
1845 * This attaches a user specified mode to an connector.
1846 * Called by the user via ioctl.
1849 * Zero on success, errno on failure.
1851 int drm_mode_attachmode_ioctl(struct drm_device
*dev
,
1852 void *data
, struct drm_file
*file_priv
)
1854 struct drm_mode_mode_cmd
*mode_cmd
= data
;
1855 struct drm_connector
*connector
;
1856 struct drm_display_mode
*mode
;
1857 struct drm_mode_object
*obj
;
1858 struct drm_mode_modeinfo
*umode
= &mode_cmd
->mode
;
1861 mutex_lock(&dev
->mode_config
.mutex
);
1863 obj
= drm_mode_object_find(dev
, mode_cmd
->connector_id
, DRM_MODE_OBJECT_CONNECTOR
);
1868 connector
= obj_to_connector(obj
);
1870 mode
= drm_mode_create(dev
);
1876 drm_crtc_convert_umode(mode
, umode
);
1878 ret
= drm_mode_attachmode(dev
, connector
, mode
);
1880 mutex_unlock(&dev
->mode_config
.mutex
);
1886 * drm_fb_detachmode - Detach a user specified mode from an connector
1887 * @inode: inode from the ioctl
1888 * @filp: file * from the ioctl
1889 * @cmd: cmd from ioctl
1890 * @arg: arg from ioctl
1892 * Called by the user via ioctl.
1895 * Zero on success, errno on failure.
1897 int drm_mode_detachmode_ioctl(struct drm_device
*dev
,
1898 void *data
, struct drm_file
*file_priv
)
1900 struct drm_mode_object
*obj
;
1901 struct drm_mode_mode_cmd
*mode_cmd
= data
;
1902 struct drm_connector
*connector
;
1903 struct drm_display_mode mode
;
1904 struct drm_mode_modeinfo
*umode
= &mode_cmd
->mode
;
1907 mutex_lock(&dev
->mode_config
.mutex
);
1909 obj
= drm_mode_object_find(dev
, mode_cmd
->connector_id
, DRM_MODE_OBJECT_CONNECTOR
);
1914 connector
= obj_to_connector(obj
);
1916 drm_crtc_convert_umode(&mode
, umode
);
1917 ret
= drm_mode_detachmode(dev
, connector
, &mode
);
1919 mutex_unlock(&dev
->mode_config
.mutex
);
1923 struct drm_property
*drm_property_create(struct drm_device
*dev
, int flags
,
1924 const char *name
, int num_values
)
1926 struct drm_property
*property
= NULL
;
1928 property
= kzalloc(sizeof(struct drm_property
), GFP_KERNEL
);
1933 property
->values
= kzalloc(sizeof(uint64_t)*num_values
, GFP_KERNEL
);
1934 if (!property
->values
)
1938 drm_mode_object_get(dev
, &property
->base
, DRM_MODE_OBJECT_PROPERTY
);
1939 property
->flags
= flags
;
1940 property
->num_values
= num_values
;
1941 INIT_LIST_HEAD(&property
->enum_blob_list
);
1944 strncpy(property
->name
, name
, DRM_PROP_NAME_LEN
);
1946 list_add_tail(&property
->head
, &dev
->mode_config
.property_list
);
1952 EXPORT_SYMBOL(drm_property_create
);
1954 int drm_property_add_enum(struct drm_property
*property
, int index
,
1955 uint64_t value
, const char *name
)
1957 struct drm_property_enum
*prop_enum
;
1959 if (!(property
->flags
& DRM_MODE_PROP_ENUM
))
1962 if (!list_empty(&property
->enum_blob_list
)) {
1963 list_for_each_entry(prop_enum
, &property
->enum_blob_list
, head
) {
1964 if (prop_enum
->value
== value
) {
1965 strncpy(prop_enum
->name
, name
, DRM_PROP_NAME_LEN
);
1966 prop_enum
->name
[DRM_PROP_NAME_LEN
-1] = '\0';
1972 prop_enum
= kzalloc(sizeof(struct drm_property_enum
), GFP_KERNEL
);
1976 strncpy(prop_enum
->name
, name
, DRM_PROP_NAME_LEN
);
1977 prop_enum
->name
[DRM_PROP_NAME_LEN
-1] = '\0';
1978 prop_enum
->value
= value
;
1980 property
->values
[index
] = value
;
1981 list_add_tail(&prop_enum
->head
, &property
->enum_blob_list
);
1984 EXPORT_SYMBOL(drm_property_add_enum
);
1986 void drm_property_destroy(struct drm_device
*dev
, struct drm_property
*property
)
1988 struct drm_property_enum
*prop_enum
, *pt
;
1990 list_for_each_entry_safe(prop_enum
, pt
, &property
->enum_blob_list
, head
) {
1991 list_del(&prop_enum
->head
);
1995 if (property
->num_values
)
1996 kfree(property
->values
);
1997 drm_mode_object_put(dev
, &property
->base
);
1998 list_del(&property
->head
);
2001 EXPORT_SYMBOL(drm_property_destroy
);
2003 int drm_connector_attach_property(struct drm_connector
*connector
,
2004 struct drm_property
*property
, uint64_t init_val
)
2008 for (i
= 0; i
< DRM_CONNECTOR_MAX_PROPERTY
; i
++) {
2009 if (connector
->property_ids
[i
] == 0) {
2010 connector
->property_ids
[i
] = property
->base
.id
;
2011 connector
->property_values
[i
] = init_val
;
2016 if (i
== DRM_CONNECTOR_MAX_PROPERTY
)
2020 EXPORT_SYMBOL(drm_connector_attach_property
);
2022 int drm_connector_property_set_value(struct drm_connector
*connector
,
2023 struct drm_property
*property
, uint64_t value
)
2027 for (i
= 0; i
< DRM_CONNECTOR_MAX_PROPERTY
; i
++) {
2028 if (connector
->property_ids
[i
] == property
->base
.id
) {
2029 connector
->property_values
[i
] = value
;
2034 if (i
== DRM_CONNECTOR_MAX_PROPERTY
)
2038 EXPORT_SYMBOL(drm_connector_property_set_value
);
2040 int drm_connector_property_get_value(struct drm_connector
*connector
,
2041 struct drm_property
*property
, uint64_t *val
)
2045 for (i
= 0; i
< DRM_CONNECTOR_MAX_PROPERTY
; i
++) {
2046 if (connector
->property_ids
[i
] == property
->base
.id
) {
2047 *val
= connector
->property_values
[i
];
2052 if (i
== DRM_CONNECTOR_MAX_PROPERTY
)
2056 EXPORT_SYMBOL(drm_connector_property_get_value
);
2058 int drm_mode_getproperty_ioctl(struct drm_device
*dev
,
2059 void *data
, struct drm_file
*file_priv
)
2061 struct drm_mode_object
*obj
;
2062 struct drm_mode_get_property
*out_resp
= data
;
2063 struct drm_property
*property
;
2066 int value_count
= 0;
2069 struct drm_property_enum
*prop_enum
;
2070 struct drm_mode_property_enum __user
*enum_ptr
;
2071 struct drm_property_blob
*prop_blob
;
2072 uint32_t *blob_id_ptr
;
2073 uint64_t __user
*values_ptr
;
2074 uint32_t __user
*blob_length_ptr
;
2076 mutex_lock(&dev
->mode_config
.mutex
);
2077 obj
= drm_mode_object_find(dev
, out_resp
->prop_id
, DRM_MODE_OBJECT_PROPERTY
);
2082 property
= obj_to_property(obj
);
2084 if (property
->flags
& DRM_MODE_PROP_ENUM
) {
2085 list_for_each_entry(prop_enum
, &property
->enum_blob_list
, head
)
2087 } else if (property
->flags
& DRM_MODE_PROP_BLOB
) {
2088 list_for_each_entry(prop_blob
, &property
->enum_blob_list
, head
)
2092 value_count
= property
->num_values
;
2094 strncpy(out_resp
->name
, property
->name
, DRM_PROP_NAME_LEN
);
2095 out_resp
->name
[DRM_PROP_NAME_LEN
-1] = 0;
2096 out_resp
->flags
= property
->flags
;
2098 if ((out_resp
->count_values
>= value_count
) && value_count
) {
2099 values_ptr
= (uint64_t *)(unsigned long)out_resp
->values_ptr
;
2100 for (i
= 0; i
< value_count
; i
++) {
2101 if (copy_to_user(values_ptr
+ i
, &property
->values
[i
], sizeof(uint64_t))) {
2107 out_resp
->count_values
= value_count
;
2109 if (property
->flags
& DRM_MODE_PROP_ENUM
) {
2110 if ((out_resp
->count_enum_blobs
>= enum_count
) && enum_count
) {
2112 enum_ptr
= (struct drm_mode_property_enum
*)(unsigned long)out_resp
->enum_blob_ptr
;
2113 list_for_each_entry(prop_enum
, &property
->enum_blob_list
, head
) {
2115 if (copy_to_user(&enum_ptr
[copied
].value
, &prop_enum
->value
, sizeof(uint64_t))) {
2120 if (copy_to_user(&enum_ptr
[copied
].name
,
2121 &prop_enum
->name
, DRM_PROP_NAME_LEN
)) {
2128 out_resp
->count_enum_blobs
= enum_count
;
2131 if (property
->flags
& DRM_MODE_PROP_BLOB
) {
2132 if ((out_resp
->count_enum_blobs
>= blob_count
) && blob_count
) {
2134 blob_id_ptr
= (uint32_t *)(unsigned long)out_resp
->enum_blob_ptr
;
2135 blob_length_ptr
= (uint32_t *)(unsigned long)out_resp
->values_ptr
;
2137 list_for_each_entry(prop_blob
, &property
->enum_blob_list
, head
) {
2138 if (put_user(prop_blob
->base
.id
, blob_id_ptr
+ copied
)) {
2143 if (put_user(prop_blob
->length
, blob_length_ptr
+ copied
)) {
2151 out_resp
->count_enum_blobs
= blob_count
;
2154 mutex_unlock(&dev
->mode_config
.mutex
);
2158 static struct drm_property_blob
*drm_property_create_blob(struct drm_device
*dev
, int length
,
2161 struct drm_property_blob
*blob
;
2163 if (!length
|| !data
)
2166 blob
= kzalloc(sizeof(struct drm_property_blob
)+length
, GFP_KERNEL
);
2170 blob
->data
= (void *)((char *)blob
+ sizeof(struct drm_property_blob
));
2171 blob
->length
= length
;
2173 memcpy(blob
->data
, data
, length
);
2175 drm_mode_object_get(dev
, &blob
->base
, DRM_MODE_OBJECT_BLOB
);
2177 list_add_tail(&blob
->head
, &dev
->mode_config
.property_blob_list
);
2181 static void drm_property_destroy_blob(struct drm_device
*dev
,
2182 struct drm_property_blob
*blob
)
2184 drm_mode_object_put(dev
, &blob
->base
);
2185 list_del(&blob
->head
);
2189 int drm_mode_getblob_ioctl(struct drm_device
*dev
,
2190 void *data
, struct drm_file
*file_priv
)
2192 struct drm_mode_object
*obj
;
2193 struct drm_mode_get_blob
*out_resp
= data
;
2194 struct drm_property_blob
*blob
;
2198 mutex_lock(&dev
->mode_config
.mutex
);
2199 obj
= drm_mode_object_find(dev
, out_resp
->blob_id
, DRM_MODE_OBJECT_BLOB
);
2204 blob
= obj_to_blob(obj
);
2206 if (out_resp
->length
== blob
->length
) {
2207 blob_ptr
= (void *)(unsigned long)out_resp
->data
;
2208 if (copy_to_user(blob_ptr
, blob
->data
, blob
->length
)){
2213 out_resp
->length
= blob
->length
;
2216 mutex_unlock(&dev
->mode_config
.mutex
);
2220 int drm_mode_connector_update_edid_property(struct drm_connector
*connector
,
2223 struct drm_device
*dev
= connector
->dev
;
2226 if (connector
->edid_blob_ptr
)
2227 drm_property_destroy_blob(dev
, connector
->edid_blob_ptr
);
2229 /* Delete edid, when there is none. */
2231 connector
->edid_blob_ptr
= NULL
;
2232 ret
= drm_connector_property_set_value(connector
, dev
->mode_config
.edid_property
, 0);
2236 connector
->edid_blob_ptr
= drm_property_create_blob(connector
->dev
, 128, edid
);
2238 ret
= drm_connector_property_set_value(connector
,
2239 dev
->mode_config
.edid_property
,
2240 connector
->edid_blob_ptr
->base
.id
);
2244 EXPORT_SYMBOL(drm_mode_connector_update_edid_property
);
2246 int drm_mode_connector_property_set_ioctl(struct drm_device
*dev
,
2247 void *data
, struct drm_file
*file_priv
)
2249 struct drm_mode_connector_set_property
*out_resp
= data
;
2250 struct drm_mode_object
*obj
;
2251 struct drm_property
*property
;
2252 struct drm_connector
*connector
;
2256 mutex_lock(&dev
->mode_config
.mutex
);
2258 obj
= drm_mode_object_find(dev
, out_resp
->connector_id
, DRM_MODE_OBJECT_CONNECTOR
);
2262 connector
= obj_to_connector(obj
);
2264 for (i
= 0; i
< DRM_CONNECTOR_MAX_PROPERTY
; i
++) {
2265 if (connector
->property_ids
[i
] == out_resp
->prop_id
)
2269 if (i
== DRM_CONNECTOR_MAX_PROPERTY
) {
2273 obj
= drm_mode_object_find(dev
, out_resp
->prop_id
, DRM_MODE_OBJECT_PROPERTY
);
2277 property
= obj_to_property(obj
);
2279 if (property
->flags
& DRM_MODE_PROP_IMMUTABLE
)
2282 if (property
->flags
& DRM_MODE_PROP_RANGE
) {
2283 if (out_resp
->value
< property
->values
[0])
2286 if (out_resp
->value
> property
->values
[1])
2290 for (i
= 0; i
< property
->num_values
; i
++) {
2291 if (property
->values
[i
] == out_resp
->value
) {
2301 /* Do DPMS ourselves */
2302 if (property
== connector
->dev
->mode_config
.dpms_property
) {
2303 if (connector
->funcs
->dpms
)
2304 (*connector
->funcs
->dpms
)(connector
, (int) out_resp
->value
);
2306 } else if (connector
->funcs
->set_property
)
2307 ret
= connector
->funcs
->set_property(connector
, property
, out_resp
->value
);
2309 /* store the property value if succesful */
2311 drm_connector_property_set_value(connector
, property
, out_resp
->value
);
2313 mutex_unlock(&dev
->mode_config
.mutex
);
2317 int drm_mode_connector_attach_encoder(struct drm_connector
*connector
,
2318 struct drm_encoder
*encoder
)
2322 for (i
= 0; i
< DRM_CONNECTOR_MAX_ENCODER
; i
++) {
2323 if (connector
->encoder_ids
[i
] == 0) {
2324 connector
->encoder_ids
[i
] = encoder
->base
.id
;
2330 EXPORT_SYMBOL(drm_mode_connector_attach_encoder
);
2332 void drm_mode_connector_detach_encoder(struct drm_connector
*connector
,
2333 struct drm_encoder
*encoder
)
2336 for (i
= 0; i
< DRM_CONNECTOR_MAX_ENCODER
; i
++) {
2337 if (connector
->encoder_ids
[i
] == encoder
->base
.id
) {
2338 connector
->encoder_ids
[i
] = 0;
2339 if (connector
->encoder
== encoder
)
2340 connector
->encoder
= NULL
;
2345 EXPORT_SYMBOL(drm_mode_connector_detach_encoder
);
2347 bool drm_mode_crtc_set_gamma_size(struct drm_crtc
*crtc
,
2350 crtc
->gamma_size
= gamma_size
;
2352 crtc
->gamma_store
= kzalloc(gamma_size
* sizeof(uint16_t) * 3, GFP_KERNEL
);
2353 if (!crtc
->gamma_store
) {
2354 crtc
->gamma_size
= 0;
2360 EXPORT_SYMBOL(drm_mode_crtc_set_gamma_size
);
2362 int drm_mode_gamma_set_ioctl(struct drm_device
*dev
,
2363 void *data
, struct drm_file
*file_priv
)
2365 struct drm_mode_crtc_lut
*crtc_lut
= data
;
2366 struct drm_mode_object
*obj
;
2367 struct drm_crtc
*crtc
;
2368 void *r_base
, *g_base
, *b_base
;
2372 mutex_lock(&dev
->mode_config
.mutex
);
2373 obj
= drm_mode_object_find(dev
, crtc_lut
->crtc_id
, DRM_MODE_OBJECT_CRTC
);
2378 crtc
= obj_to_crtc(obj
);
2380 /* memcpy into gamma store */
2381 if (crtc_lut
->gamma_size
!= crtc
->gamma_size
) {
2386 size
= crtc_lut
->gamma_size
* (sizeof(uint16_t));
2387 r_base
= crtc
->gamma_store
;
2388 if (copy_from_user(r_base
, (void __user
*)(unsigned long)crtc_lut
->red
, size
)) {
2393 g_base
= r_base
+ size
;
2394 if (copy_from_user(g_base
, (void __user
*)(unsigned long)crtc_lut
->green
, size
)) {
2399 b_base
= g_base
+ size
;
2400 if (copy_from_user(b_base
, (void __user
*)(unsigned long)crtc_lut
->blue
, size
)) {
2405 crtc
->funcs
->gamma_set(crtc
, r_base
, g_base
, b_base
, crtc
->gamma_size
);
2408 mutex_unlock(&dev
->mode_config
.mutex
);
2413 int drm_mode_gamma_get_ioctl(struct drm_device
*dev
,
2414 void *data
, struct drm_file
*file_priv
)
2416 struct drm_mode_crtc_lut
*crtc_lut
= data
;
2417 struct drm_mode_object
*obj
;
2418 struct drm_crtc
*crtc
;
2419 void *r_base
, *g_base
, *b_base
;
2423 mutex_lock(&dev
->mode_config
.mutex
);
2424 obj
= drm_mode_object_find(dev
, crtc_lut
->crtc_id
, DRM_MODE_OBJECT_CRTC
);
2429 crtc
= obj_to_crtc(obj
);
2431 /* memcpy into gamma store */
2432 if (crtc_lut
->gamma_size
!= crtc
->gamma_size
) {
2437 size
= crtc_lut
->gamma_size
* (sizeof(uint16_t));
2438 r_base
= crtc
->gamma_store
;
2439 if (copy_to_user((void __user
*)(unsigned long)crtc_lut
->red
, r_base
, size
)) {
2444 g_base
= r_base
+ size
;
2445 if (copy_to_user((void __user
*)(unsigned long)crtc_lut
->green
, g_base
, size
)) {
2450 b_base
= g_base
+ size
;
2451 if (copy_to_user((void __user
*)(unsigned long)crtc_lut
->blue
, b_base
, size
)) {
2456 mutex_unlock(&dev
->mode_config
.mutex
);