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>
40 struct drm_prop_enum_list {
45 /* Avoid boilerplate. I'm tired of typing. */
46 #define DRM_ENUM_NAME_FN(fnname, list) \
47 char *fnname(int val) \
50 for (i = 0; i < ARRAY_SIZE(list); i++) { \
51 if (list[i].type == val) \
52 return list[i].name; \
60 static struct drm_prop_enum_list drm_dpms_enum_list[] =
61 { { DRM_MODE_DPMS_ON, "On" },
62 { DRM_MODE_DPMS_STANDBY, "Standby" },
63 { DRM_MODE_DPMS_SUSPEND, "Suspend" },
64 { DRM_MODE_DPMS_OFF, "Off" }
67 DRM_ENUM_NAME_FN(drm_get_dpms_name, drm_dpms_enum_list)
72 static struct drm_prop_enum_list drm_scaling_mode_enum_list[] =
74 { DRM_MODE_SCALE_NONE, "None" },
75 { DRM_MODE_SCALE_FULLSCREEN, "Full" },
76 { DRM_MODE_SCALE_CENTER, "Center" },
77 { DRM_MODE_SCALE_ASPECT, "Full aspect" },
80 static struct drm_prop_enum_list drm_dithering_mode_enum_list[] =
82 { DRM_MODE_DITHERING_OFF, "Off" },
83 { DRM_MODE_DITHERING_ON, "On" },
84 { DRM_MODE_DITHERING_AUTO, "Automatic" },
88 * Non-global properties, but "required" for certain connectors.
90 static struct drm_prop_enum_list drm_dvi_i_select_enum_list[] =
92 { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */
93 { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */
94 { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */
97 DRM_ENUM_NAME_FN(drm_get_dvi_i_select_name, drm_dvi_i_select_enum_list)
99 static struct drm_prop_enum_list drm_dvi_i_subconnector_enum_list[] =
101 { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */
102 { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */
103 { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */
106 DRM_ENUM_NAME_FN(drm_get_dvi_i_subconnector_name,
107 drm_dvi_i_subconnector_enum_list)
109 static struct drm_prop_enum_list drm_tv_select_enum_list[] =
111 { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */
112 { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */
113 { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */
114 { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */
115 { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */
118 DRM_ENUM_NAME_FN(drm_get_tv_select_name, drm_tv_select_enum_list)
120 static struct drm_prop_enum_list drm_tv_subconnector_enum_list[] =
122 { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */
123 { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */
124 { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */
125 { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */
126 { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */
129 DRM_ENUM_NAME_FN(drm_get_tv_subconnector_name,
130 drm_tv_subconnector_enum_list)
132 static struct drm_prop_enum_list drm_dirty_info_enum_list[] = {
133 { DRM_MODE_DIRTY_OFF, "Off" },
134 { DRM_MODE_DIRTY_ON, "On" },
135 { DRM_MODE_DIRTY_ANNOTATE, "Annotate" },
138 DRM_ENUM_NAME_FN(drm_get_dirty_info_name,
139 drm_dirty_info_enum_list)
141 struct drm_conn_prop_enum_list {
148 * Connector and encoder types.
150 static struct drm_conn_prop_enum_list drm_connector_enum_list[] =
151 { { DRM_MODE_CONNECTOR_Unknown, "Unknown", 0 },
152 { DRM_MODE_CONNECTOR_VGA, "VGA", 0 },
153 { DRM_MODE_CONNECTOR_DVII, "DVI-I", 0 },
154 { DRM_MODE_CONNECTOR_DVID, "DVI-D", 0 },
155 { DRM_MODE_CONNECTOR_DVIA, "DVI-A", 0 },
156 { DRM_MODE_CONNECTOR_Composite, "Composite", 0 },
157 { DRM_MODE_CONNECTOR_SVIDEO, "SVIDEO", 0 },
158 { DRM_MODE_CONNECTOR_LVDS, "LVDS", 0 },
159 { DRM_MODE_CONNECTOR_Component, "Component", 0 },
160 { DRM_MODE_CONNECTOR_9PinDIN, "DIN", 0 },
161 { DRM_MODE_CONNECTOR_DisplayPort, "DP", 0 },
162 { DRM_MODE_CONNECTOR_HDMIA, "HDMI-A", 0 },
163 { DRM_MODE_CONNECTOR_HDMIB, "HDMI-B", 0 },
164 { DRM_MODE_CONNECTOR_TV, "TV", 0 },
165 { DRM_MODE_CONNECTOR_eDP, "eDP", 0 },
168 static struct drm_prop_enum_list drm_encoder_enum_list[] =
169 { { DRM_MODE_ENCODER_NONE, "None" },
170 { DRM_MODE_ENCODER_DAC, "DAC" },
171 { DRM_MODE_ENCODER_TMDS, "TMDS" },
172 { DRM_MODE_ENCODER_LVDS, "LVDS" },
173 { DRM_MODE_ENCODER_TVDAC, "TV" },
176 char *drm_get_encoder_name(struct drm_encoder *encoder)
180 snprintf(buf, 32, "%s-%d",
181 drm_encoder_enum_list[encoder->encoder_type].name,
185 EXPORT_SYMBOL(drm_get_encoder_name);
187 char *drm_get_connector_name(struct drm_connector *connector)
191 snprintf(buf, 32, "%s-%d",
192 drm_connector_enum_list[connector->connector_type].name,
193 connector->connector_type_id);
196 EXPORT_SYMBOL(drm_get_connector_name);
198 char *drm_get_connector_status_name(enum drm_connector_status status)
200 if (status == connector_status_connected)
202 else if (status == connector_status_disconnected)
203 return "disconnected";
209 * drm_mode_object_get - allocate a new identifier
211 * @ptr: object pointer, used to generate unique ID
216 * Create a unique identifier based on @ptr in @dev's identifier space. Used
217 * for tracking modes, CRTCs and connectors.
220 * New unique (relative to other objects in @dev) integer identifier for the
223 static int drm_mode_object_get(struct drm_device *dev,
224 struct drm_mode_object *obj, uint32_t obj_type)
230 if (idr_pre_get(&dev->mode_config.crtc_idr, GFP_KERNEL) == 0) {
231 DRM_ERROR("Ran out memory getting a mode number\n");
235 mutex_lock(&dev->mode_config.idr_mutex);
236 ret = idr_get_new_above(&dev->mode_config.crtc_idr, obj, 1, &new_id);
237 mutex_unlock(&dev->mode_config.idr_mutex);
242 obj->type = obj_type;
247 * drm_mode_object_put - free an identifer
252 * Caller must hold DRM mode_config lock.
254 * Free @id from @dev's unique identifier pool.
256 static void drm_mode_object_put(struct drm_device *dev,
257 struct drm_mode_object *object)
259 mutex_lock(&dev->mode_config.idr_mutex);
260 idr_remove(&dev->mode_config.crtc_idr, object->id);
261 mutex_unlock(&dev->mode_config.idr_mutex);
264 struct drm_mode_object *drm_mode_object_find(struct drm_device *dev,
265 uint32_t id, uint32_t type)
267 struct drm_mode_object *obj = NULL;
269 mutex_lock(&dev->mode_config.idr_mutex);
270 obj = idr_find(&dev->mode_config.crtc_idr, id);
271 if (!obj || (obj->type != type) || (obj->id != id))
273 mutex_unlock(&dev->mode_config.idr_mutex);
277 EXPORT_SYMBOL(drm_mode_object_find);
280 * drm_framebuffer_init - initialize a framebuffer
284 * Caller must hold mode config lock.
286 * Allocates an ID for the framebuffer's parent mode object, sets its mode
287 * functions & device file and adds it to the master fd list.
290 * Zero on success, error code on failure.
292 int drm_framebuffer_init(struct drm_device *dev, struct drm_framebuffer *fb,
293 const struct drm_framebuffer_funcs *funcs)
297 ret = drm_mode_object_get(dev, &fb->base, DRM_MODE_OBJECT_FB);
304 dev->mode_config.num_fb++;
305 list_add(&fb->head, &dev->mode_config.fb_list);
309 EXPORT_SYMBOL(drm_framebuffer_init);
312 * drm_framebuffer_cleanup - remove a framebuffer object
313 * @fb: framebuffer to remove
316 * Caller must hold mode config lock.
318 * Scans all the CRTCs in @dev's mode_config. If they're using @fb, removes
319 * it, setting it to NULL.
321 void drm_framebuffer_cleanup(struct drm_framebuffer *fb)
323 struct drm_device *dev = fb->dev;
324 struct drm_crtc *crtc;
325 struct drm_mode_set set;
328 /* remove from any CRTC */
329 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
330 if (crtc->fb == fb) {
331 /* should turn off the crtc */
332 memset(&set, 0, sizeof(struct drm_mode_set));
335 ret = crtc->funcs->set_config(&set);
337 DRM_ERROR("failed to reset crtc %p when fb was deleted\n", crtc);
341 drm_mode_object_put(dev, &fb->base);
343 dev->mode_config.num_fb--;
345 EXPORT_SYMBOL(drm_framebuffer_cleanup);
348 * drm_crtc_init - Initialise a new CRTC object
350 * @crtc: CRTC object to init
351 * @funcs: callbacks for the new CRTC
354 * Caller must hold mode config lock.
356 * Inits a new object created as base part of an driver crtc object.
358 void drm_crtc_init(struct drm_device *dev, struct drm_crtc *crtc,
359 const struct drm_crtc_funcs *funcs)
364 mutex_lock(&dev->mode_config.mutex);
365 drm_mode_object_get(dev, &crtc->base, DRM_MODE_OBJECT_CRTC);
367 list_add_tail(&crtc->head, &dev->mode_config.crtc_list);
368 dev->mode_config.num_crtc++;
369 mutex_unlock(&dev->mode_config.mutex);
371 EXPORT_SYMBOL(drm_crtc_init);
374 * drm_crtc_cleanup - Cleans up the core crtc usage.
375 * @crtc: CRTC to cleanup
378 * Caller must hold mode config lock.
380 * Cleanup @crtc. Removes from drm modesetting space
381 * does NOT free object, caller does that.
383 void drm_crtc_cleanup(struct drm_crtc *crtc)
385 struct drm_device *dev = crtc->dev;
387 if (crtc->gamma_store) {
388 kfree(crtc->gamma_store);
389 crtc->gamma_store = NULL;
392 drm_mode_object_put(dev, &crtc->base);
393 list_del(&crtc->head);
394 dev->mode_config.num_crtc--;
396 EXPORT_SYMBOL(drm_crtc_cleanup);
399 * drm_mode_probed_add - add a mode to a connector's probed mode list
400 * @connector: connector the new mode
404 * Caller must hold mode config lock.
406 * Add @mode to @connector's mode list for later use.
408 void drm_mode_probed_add(struct drm_connector *connector,
409 struct drm_display_mode *mode)
411 list_add(&mode->head, &connector->probed_modes);
413 EXPORT_SYMBOL(drm_mode_probed_add);
416 * drm_mode_remove - remove and free a mode
417 * @connector: connector list to modify
418 * @mode: mode to remove
421 * Caller must hold mode config lock.
423 * Remove @mode from @connector's mode list, then free it.
425 void drm_mode_remove(struct drm_connector *connector,
426 struct drm_display_mode *mode)
428 list_del(&mode->head);
431 EXPORT_SYMBOL(drm_mode_remove);
434 * drm_connector_init - Init a preallocated connector
436 * @connector: the connector to init
437 * @funcs: callbacks for this connector
438 * @name: user visible name of the connector
441 * Caller must hold @dev's mode_config lock.
443 * Initialises a preallocated connector. Connectors should be
444 * subclassed as part of driver connector objects.
446 void drm_connector_init(struct drm_device *dev,
447 struct drm_connector *connector,
448 const struct drm_connector_funcs *funcs,
451 mutex_lock(&dev->mode_config.mutex);
453 connector->dev = dev;
454 connector->funcs = funcs;
455 drm_mode_object_get(dev, &connector->base, DRM_MODE_OBJECT_CONNECTOR);
456 connector->connector_type = connector_type;
457 connector->connector_type_id =
458 ++drm_connector_enum_list[connector_type].count; /* TODO */
459 INIT_LIST_HEAD(&connector->user_modes);
460 INIT_LIST_HEAD(&connector->probed_modes);
461 INIT_LIST_HEAD(&connector->modes);
462 connector->edid_blob_ptr = NULL;
464 list_add_tail(&connector->head, &dev->mode_config.connector_list);
465 dev->mode_config.num_connector++;
467 drm_connector_attach_property(connector,
468 dev->mode_config.edid_property, 0);
470 drm_connector_attach_property(connector,
471 dev->mode_config.dpms_property, 0);
473 mutex_unlock(&dev->mode_config.mutex);
475 EXPORT_SYMBOL(drm_connector_init);
478 * drm_connector_cleanup - cleans up an initialised connector
479 * @connector: connector to cleanup
482 * Caller must hold @dev's mode_config lock.
484 * Cleans up the connector but doesn't free the object.
486 void drm_connector_cleanup(struct drm_connector *connector)
488 struct drm_device *dev = connector->dev;
489 struct drm_display_mode *mode, *t;
491 list_for_each_entry_safe(mode, t, &connector->probed_modes, head)
492 drm_mode_remove(connector, mode);
494 list_for_each_entry_safe(mode, t, &connector->modes, head)
495 drm_mode_remove(connector, mode);
497 list_for_each_entry_safe(mode, t, &connector->user_modes, head)
498 drm_mode_remove(connector, mode);
500 mutex_lock(&dev->mode_config.mutex);
501 drm_mode_object_put(dev, &connector->base);
502 list_del(&connector->head);
503 dev->mode_config.num_connector--;
504 mutex_unlock(&dev->mode_config.mutex);
506 EXPORT_SYMBOL(drm_connector_cleanup);
508 void drm_encoder_init(struct drm_device *dev,
509 struct drm_encoder *encoder,
510 const struct drm_encoder_funcs *funcs,
513 mutex_lock(&dev->mode_config.mutex);
517 drm_mode_object_get(dev, &encoder->base, DRM_MODE_OBJECT_ENCODER);
518 encoder->encoder_type = encoder_type;
519 encoder->funcs = funcs;
521 list_add_tail(&encoder->head, &dev->mode_config.encoder_list);
522 dev->mode_config.num_encoder++;
524 mutex_unlock(&dev->mode_config.mutex);
526 EXPORT_SYMBOL(drm_encoder_init);
528 void drm_encoder_cleanup(struct drm_encoder *encoder)
530 struct drm_device *dev = encoder->dev;
531 mutex_lock(&dev->mode_config.mutex);
532 drm_mode_object_put(dev, &encoder->base);
533 list_del(&encoder->head);
534 dev->mode_config.num_encoder--;
535 mutex_unlock(&dev->mode_config.mutex);
537 EXPORT_SYMBOL(drm_encoder_cleanup);
540 * drm_mode_create - create a new display mode
544 * Caller must hold DRM mode_config lock.
546 * Create a new drm_display_mode, give it an ID, and return it.
549 * Pointer to new mode on success, NULL on error.
551 struct drm_display_mode *drm_mode_create(struct drm_device *dev)
553 struct drm_display_mode *nmode;
555 nmode = kzalloc(sizeof(struct drm_display_mode), GFP_KERNEL);
559 drm_mode_object_get(dev, &nmode->base, DRM_MODE_OBJECT_MODE);
562 EXPORT_SYMBOL(drm_mode_create);
565 * drm_mode_destroy - remove a mode
567 * @mode: mode to remove
570 * Caller must hold mode config lock.
572 * Free @mode's unique identifier, then free it.
574 void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode)
576 drm_mode_object_put(dev, &mode->base);
580 EXPORT_SYMBOL(drm_mode_destroy);
582 static int drm_mode_create_standard_connector_properties(struct drm_device *dev)
584 struct drm_property *edid;
585 struct drm_property *dpms;
589 * Standard properties (apply to all connectors)
591 edid = drm_property_create(dev, DRM_MODE_PROP_BLOB |
592 DRM_MODE_PROP_IMMUTABLE,
594 dev->mode_config.edid_property = edid;
596 dpms = drm_property_create(dev, DRM_MODE_PROP_ENUM,
597 "DPMS", ARRAY_SIZE(drm_dpms_enum_list));
598 for (i = 0; i < ARRAY_SIZE(drm_dpms_enum_list); i++)
599 drm_property_add_enum(dpms, i, drm_dpms_enum_list[i].type,
600 drm_dpms_enum_list[i].name);
601 dev->mode_config.dpms_property = dpms;
607 * drm_mode_create_dvi_i_properties - create DVI-I specific connector properties
610 * Called by a driver the first time a DVI-I connector is made.
612 int drm_mode_create_dvi_i_properties(struct drm_device *dev)
614 struct drm_property *dvi_i_selector;
615 struct drm_property *dvi_i_subconnector;
618 if (dev->mode_config.dvi_i_select_subconnector_property)
622 drm_property_create(dev, DRM_MODE_PROP_ENUM,
623 "select subconnector",
624 ARRAY_SIZE(drm_dvi_i_select_enum_list));
625 for (i = 0; i < ARRAY_SIZE(drm_dvi_i_select_enum_list); i++)
626 drm_property_add_enum(dvi_i_selector, i,
627 drm_dvi_i_select_enum_list[i].type,
628 drm_dvi_i_select_enum_list[i].name);
629 dev->mode_config.dvi_i_select_subconnector_property = dvi_i_selector;
632 drm_property_create(dev, DRM_MODE_PROP_ENUM |
633 DRM_MODE_PROP_IMMUTABLE,
635 ARRAY_SIZE(drm_dvi_i_subconnector_enum_list));
636 for (i = 0; i < ARRAY_SIZE(drm_dvi_i_subconnector_enum_list); i++)
637 drm_property_add_enum(dvi_i_subconnector, i,
638 drm_dvi_i_subconnector_enum_list[i].type,
639 drm_dvi_i_subconnector_enum_list[i].name);
640 dev->mode_config.dvi_i_subconnector_property = dvi_i_subconnector;
644 EXPORT_SYMBOL(drm_mode_create_dvi_i_properties);
647 * drm_create_tv_properties - create TV specific connector properties
649 * @num_modes: number of different TV formats (modes) supported
650 * @modes: array of pointers to strings containing name of each format
652 * Called by a driver's TV initialization routine, this function creates
653 * the TV specific connector properties for a given device. Caller is
654 * responsible for allocating a list of format names and passing them to
657 int drm_mode_create_tv_properties(struct drm_device *dev, int num_modes,
660 struct drm_property *tv_selector;
661 struct drm_property *tv_subconnector;
664 if (dev->mode_config.tv_select_subconnector_property)
668 * Basic connector properties
670 tv_selector = drm_property_create(dev, DRM_MODE_PROP_ENUM,
671 "select subconnector",
672 ARRAY_SIZE(drm_tv_select_enum_list));
673 for (i = 0; i < ARRAY_SIZE(drm_tv_select_enum_list); i++)
674 drm_property_add_enum(tv_selector, i,
675 drm_tv_select_enum_list[i].type,
676 drm_tv_select_enum_list[i].name);
677 dev->mode_config.tv_select_subconnector_property = tv_selector;
680 drm_property_create(dev, DRM_MODE_PROP_ENUM |
681 DRM_MODE_PROP_IMMUTABLE, "subconnector",
682 ARRAY_SIZE(drm_tv_subconnector_enum_list));
683 for (i = 0; i < ARRAY_SIZE(drm_tv_subconnector_enum_list); i++)
684 drm_property_add_enum(tv_subconnector, i,
685 drm_tv_subconnector_enum_list[i].type,
686 drm_tv_subconnector_enum_list[i].name);
687 dev->mode_config.tv_subconnector_property = tv_subconnector;
690 * Other, TV specific properties: margins & TV modes.
692 dev->mode_config.tv_left_margin_property =
693 drm_property_create(dev, DRM_MODE_PROP_RANGE,
695 dev->mode_config.tv_left_margin_property->values[0] = 0;
696 dev->mode_config.tv_left_margin_property->values[1] = 100;
698 dev->mode_config.tv_right_margin_property =
699 drm_property_create(dev, DRM_MODE_PROP_RANGE,
701 dev->mode_config.tv_right_margin_property->values[0] = 0;
702 dev->mode_config.tv_right_margin_property->values[1] = 100;
704 dev->mode_config.tv_top_margin_property =
705 drm_property_create(dev, DRM_MODE_PROP_RANGE,
707 dev->mode_config.tv_top_margin_property->values[0] = 0;
708 dev->mode_config.tv_top_margin_property->values[1] = 100;
710 dev->mode_config.tv_bottom_margin_property =
711 drm_property_create(dev, DRM_MODE_PROP_RANGE,
713 dev->mode_config.tv_bottom_margin_property->values[0] = 0;
714 dev->mode_config.tv_bottom_margin_property->values[1] = 100;
716 dev->mode_config.tv_mode_property =
717 drm_property_create(dev, DRM_MODE_PROP_ENUM,
719 for (i = 0; i < num_modes; i++)
720 drm_property_add_enum(dev->mode_config.tv_mode_property, i,
723 dev->mode_config.tv_brightness_property =
724 drm_property_create(dev, DRM_MODE_PROP_RANGE,
726 dev->mode_config.tv_brightness_property->values[0] = 0;
727 dev->mode_config.tv_brightness_property->values[1] = 100;
729 dev->mode_config.tv_contrast_property =
730 drm_property_create(dev, DRM_MODE_PROP_RANGE,
732 dev->mode_config.tv_contrast_property->values[0] = 0;
733 dev->mode_config.tv_contrast_property->values[1] = 100;
735 dev->mode_config.tv_flicker_reduction_property =
736 drm_property_create(dev, DRM_MODE_PROP_RANGE,
737 "flicker reduction", 2);
738 dev->mode_config.tv_flicker_reduction_property->values[0] = 0;
739 dev->mode_config.tv_flicker_reduction_property->values[1] = 100;
741 dev->mode_config.tv_overscan_property =
742 drm_property_create(dev, DRM_MODE_PROP_RANGE,
744 dev->mode_config.tv_overscan_property->values[0] = 0;
745 dev->mode_config.tv_overscan_property->values[1] = 100;
747 dev->mode_config.tv_saturation_property =
748 drm_property_create(dev, DRM_MODE_PROP_RANGE,
750 dev->mode_config.tv_saturation_property->values[0] = 0;
751 dev->mode_config.tv_saturation_property->values[1] = 100;
753 dev->mode_config.tv_hue_property =
754 drm_property_create(dev, DRM_MODE_PROP_RANGE,
756 dev->mode_config.tv_hue_property->values[0] = 0;
757 dev->mode_config.tv_hue_property->values[1] = 100;
761 EXPORT_SYMBOL(drm_mode_create_tv_properties);
764 * drm_mode_create_scaling_mode_property - create scaling mode property
767 * Called by a driver the first time it's needed, must be attached to desired
770 int drm_mode_create_scaling_mode_property(struct drm_device *dev)
772 struct drm_property *scaling_mode;
775 if (dev->mode_config.scaling_mode_property)
779 drm_property_create(dev, DRM_MODE_PROP_ENUM, "scaling mode",
780 ARRAY_SIZE(drm_scaling_mode_enum_list));
781 for (i = 0; i < ARRAY_SIZE(drm_scaling_mode_enum_list); i++)
782 drm_property_add_enum(scaling_mode, i,
783 drm_scaling_mode_enum_list[i].type,
784 drm_scaling_mode_enum_list[i].name);
786 dev->mode_config.scaling_mode_property = scaling_mode;
790 EXPORT_SYMBOL(drm_mode_create_scaling_mode_property);
793 * drm_mode_create_dithering_property - create dithering property
796 * Called by a driver the first time it's needed, must be attached to desired
799 int drm_mode_create_dithering_property(struct drm_device *dev)
801 struct drm_property *dithering_mode;
804 if (dev->mode_config.dithering_mode_property)
808 drm_property_create(dev, DRM_MODE_PROP_ENUM, "dithering",
809 ARRAY_SIZE(drm_dithering_mode_enum_list));
810 for (i = 0; i < ARRAY_SIZE(drm_dithering_mode_enum_list); i++)
811 drm_property_add_enum(dithering_mode, i,
812 drm_dithering_mode_enum_list[i].type,
813 drm_dithering_mode_enum_list[i].name);
814 dev->mode_config.dithering_mode_property = dithering_mode;
818 EXPORT_SYMBOL(drm_mode_create_dithering_property);
821 * drm_mode_create_dirty_property - create dirty property
824 * Called by a driver the first time it's needed, must be attached to desired
827 int drm_mode_create_dirty_info_property(struct drm_device *dev)
829 struct drm_property *dirty_info;
832 if (dev->mode_config.dirty_info_property)
836 drm_property_create(dev, DRM_MODE_PROP_ENUM |
837 DRM_MODE_PROP_IMMUTABLE,
839 ARRAY_SIZE(drm_dirty_info_enum_list));
840 for (i = 0; i < ARRAY_SIZE(drm_dirty_info_enum_list); i++)
841 drm_property_add_enum(dirty_info, i,
842 drm_dirty_info_enum_list[i].type,
843 drm_dirty_info_enum_list[i].name);
844 dev->mode_config.dirty_info_property = dirty_info;
848 EXPORT_SYMBOL(drm_mode_create_dirty_info_property);
851 * drm_mode_config_init - initialize DRM mode_configuration structure
855 * None, should happen single threaded at init time.
857 * Initialize @dev's mode_config structure, used for tracking the graphics
858 * configuration of @dev.
860 void drm_mode_config_init(struct drm_device *dev)
862 mutex_init(&dev->mode_config.mutex);
863 mutex_init(&dev->mode_config.idr_mutex);
864 INIT_LIST_HEAD(&dev->mode_config.fb_list);
865 INIT_LIST_HEAD(&dev->mode_config.crtc_list);
866 INIT_LIST_HEAD(&dev->mode_config.connector_list);
867 INIT_LIST_HEAD(&dev->mode_config.encoder_list);
868 INIT_LIST_HEAD(&dev->mode_config.property_list);
869 INIT_LIST_HEAD(&dev->mode_config.property_blob_list);
870 idr_init(&dev->mode_config.crtc_idr);
872 mutex_lock(&dev->mode_config.mutex);
873 drm_mode_create_standard_connector_properties(dev);
874 mutex_unlock(&dev->mode_config.mutex);
876 /* Just to be sure */
877 dev->mode_config.num_fb = 0;
878 dev->mode_config.num_connector = 0;
879 dev->mode_config.num_crtc = 0;
880 dev->mode_config.num_encoder = 0;
882 EXPORT_SYMBOL(drm_mode_config_init);
884 int drm_mode_group_init(struct drm_device *dev, struct drm_mode_group *group)
886 uint32_t total_objects = 0;
888 total_objects += dev->mode_config.num_crtc;
889 total_objects += dev->mode_config.num_connector;
890 total_objects += dev->mode_config.num_encoder;
892 group->id_list = kzalloc(total_objects * sizeof(uint32_t), GFP_KERNEL);
896 group->num_crtcs = 0;
897 group->num_connectors = 0;
898 group->num_encoders = 0;
902 int drm_mode_group_init_legacy_group(struct drm_device *dev,
903 struct drm_mode_group *group)
905 struct drm_crtc *crtc;
906 struct drm_encoder *encoder;
907 struct drm_connector *connector;
910 if ((ret = drm_mode_group_init(dev, group)))
913 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head)
914 group->id_list[group->num_crtcs++] = crtc->base.id;
916 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head)
917 group->id_list[group->num_crtcs + group->num_encoders++] =
920 list_for_each_entry(connector, &dev->mode_config.connector_list, head)
921 group->id_list[group->num_crtcs + group->num_encoders +
922 group->num_connectors++] = connector->base.id;
928 * drm_mode_config_cleanup - free up DRM mode_config info
932 * Caller must hold mode config lock.
934 * Free up all the connectors and CRTCs associated with this DRM device, then
935 * free up the framebuffers and associated buffer objects.
937 * FIXME: cleanup any dangling user buffer objects too
939 void drm_mode_config_cleanup(struct drm_device *dev)
941 struct drm_connector *connector, *ot;
942 struct drm_crtc *crtc, *ct;
943 struct drm_encoder *encoder, *enct;
944 struct drm_framebuffer *fb, *fbt;
945 struct drm_property *property, *pt;
947 list_for_each_entry_safe(encoder, enct, &dev->mode_config.encoder_list,
949 encoder->funcs->destroy(encoder);
952 list_for_each_entry_safe(connector, ot,
953 &dev->mode_config.connector_list, head) {
954 connector->funcs->destroy(connector);
957 list_for_each_entry_safe(property, pt, &dev->mode_config.property_list,
959 drm_property_destroy(dev, property);
962 list_for_each_entry_safe(fb, fbt, &dev->mode_config.fb_list, head) {
963 fb->funcs->destroy(fb);
966 list_for_each_entry_safe(crtc, ct, &dev->mode_config.crtc_list, head) {
967 crtc->funcs->destroy(crtc);
971 EXPORT_SYMBOL(drm_mode_config_cleanup);
974 * drm_crtc_convert_to_umode - convert a drm_display_mode into a modeinfo
975 * @out: drm_mode_modeinfo struct to return to the user
976 * @in: drm_display_mode to use
981 * Convert a drm_display_mode into a drm_mode_modeinfo structure to return to
984 void drm_crtc_convert_to_umode(struct drm_mode_modeinfo *out,
985 struct drm_display_mode *in)
987 out->clock = in->clock;
988 out->hdisplay = in->hdisplay;
989 out->hsync_start = in->hsync_start;
990 out->hsync_end = in->hsync_end;
991 out->htotal = in->htotal;
992 out->hskew = in->hskew;
993 out->vdisplay = in->vdisplay;
994 out->vsync_start = in->vsync_start;
995 out->vsync_end = in->vsync_end;
996 out->vtotal = in->vtotal;
997 out->vscan = in->vscan;
998 out->vrefresh = in->vrefresh;
999 out->flags = in->flags;
1000 out->type = in->type;
1001 strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN);
1002 out->name[DRM_DISPLAY_MODE_LEN-1] = 0;
1006 * drm_crtc_convert_to_umode - convert a modeinfo into a drm_display_mode
1007 * @out: drm_display_mode to return to the user
1008 * @in: drm_mode_modeinfo to use
1013 * Convert a drm_mode_modeinfo into a drm_display_mode structure to return to
1016 void drm_crtc_convert_umode(struct drm_display_mode *out,
1017 struct drm_mode_modeinfo *in)
1019 out->clock = in->clock;
1020 out->hdisplay = in->hdisplay;
1021 out->hsync_start = in->hsync_start;
1022 out->hsync_end = in->hsync_end;
1023 out->htotal = in->htotal;
1024 out->hskew = in->hskew;
1025 out->vdisplay = in->vdisplay;
1026 out->vsync_start = in->vsync_start;
1027 out->vsync_end = in->vsync_end;
1028 out->vtotal = in->vtotal;
1029 out->vscan = in->vscan;
1030 out->vrefresh = in->vrefresh;
1031 out->flags = in->flags;
1032 out->type = in->type;
1033 strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN);
1034 out->name[DRM_DISPLAY_MODE_LEN-1] = 0;
1038 * drm_mode_getresources - get graphics configuration
1039 * @inode: inode from the ioctl
1040 * @filp: file * from the ioctl
1041 * @cmd: cmd from ioctl
1042 * @arg: arg from ioctl
1045 * Takes mode config lock.
1047 * Construct a set of configuration description structures and return
1048 * them to the user, including CRTC, connector and framebuffer configuration.
1050 * Called by the user via ioctl.
1053 * Zero on success, errno on failure.
1055 int drm_mode_getresources(struct drm_device *dev, void *data,
1056 struct drm_file *file_priv)
1058 struct drm_mode_card_res *card_res = data;
1059 struct list_head *lh;
1060 struct drm_framebuffer *fb;
1061 struct drm_connector *connector;
1062 struct drm_crtc *crtc;
1063 struct drm_encoder *encoder;
1065 int connector_count = 0;
1068 int encoder_count = 0;
1070 uint32_t __user *fb_id;
1071 uint32_t __user *crtc_id;
1072 uint32_t __user *connector_id;
1073 uint32_t __user *encoder_id;
1074 struct drm_mode_group *mode_group;
1076 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1079 mutex_lock(&dev->mode_config.mutex);
1082 * For the non-control nodes we need to limit the list of resources
1083 * by IDs in the group list for this node
1085 list_for_each(lh, &file_priv->fbs)
1088 mode_group = &file_priv->master->minor->mode_group;
1089 if (file_priv->master->minor->type == DRM_MINOR_CONTROL) {
1091 list_for_each(lh, &dev->mode_config.crtc_list)
1094 list_for_each(lh, &dev->mode_config.connector_list)
1097 list_for_each(lh, &dev->mode_config.encoder_list)
1101 crtc_count = mode_group->num_crtcs;
1102 connector_count = mode_group->num_connectors;
1103 encoder_count = mode_group->num_encoders;
1106 card_res->max_height = dev->mode_config.max_height;
1107 card_res->min_height = dev->mode_config.min_height;
1108 card_res->max_width = dev->mode_config.max_width;
1109 card_res->min_width = dev->mode_config.min_width;
1111 /* handle this in 4 parts */
1113 if (card_res->count_fbs >= fb_count) {
1115 fb_id = (uint32_t __user *)(unsigned long)card_res->fb_id_ptr;
1116 list_for_each_entry(fb, &file_priv->fbs, filp_head) {
1117 if (put_user(fb->base.id, fb_id + copied)) {
1124 card_res->count_fbs = fb_count;
1127 if (card_res->count_crtcs >= crtc_count) {
1129 crtc_id = (uint32_t __user *)(unsigned long)card_res->crtc_id_ptr;
1130 if (file_priv->master->minor->type == DRM_MINOR_CONTROL) {
1131 list_for_each_entry(crtc, &dev->mode_config.crtc_list,
1133 DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id);
1134 if (put_user(crtc->base.id, crtc_id + copied)) {
1141 for (i = 0; i < mode_group->num_crtcs; i++) {
1142 if (put_user(mode_group->id_list[i],
1143 crtc_id + copied)) {
1151 card_res->count_crtcs = crtc_count;
1154 if (card_res->count_encoders >= encoder_count) {
1156 encoder_id = (uint32_t __user *)(unsigned long)card_res->encoder_id_ptr;
1157 if (file_priv->master->minor->type == DRM_MINOR_CONTROL) {
1158 list_for_each_entry(encoder,
1159 &dev->mode_config.encoder_list,
1161 DRM_DEBUG_KMS("[ENCODER:%d:%s]\n", encoder->base.id,
1162 drm_get_encoder_name(encoder));
1163 if (put_user(encoder->base.id, encoder_id +
1171 for (i = mode_group->num_crtcs; i < mode_group->num_crtcs + mode_group->num_encoders; i++) {
1172 if (put_user(mode_group->id_list[i],
1173 encoder_id + copied)) {
1182 card_res->count_encoders = encoder_count;
1185 if (card_res->count_connectors >= connector_count) {
1187 connector_id = (uint32_t __user *)(unsigned long)card_res->connector_id_ptr;
1188 if (file_priv->master->minor->type == DRM_MINOR_CONTROL) {
1189 list_for_each_entry(connector,
1190 &dev->mode_config.connector_list,
1192 DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
1194 drm_get_connector_name(connector));
1195 if (put_user(connector->base.id,
1196 connector_id + copied)) {
1203 int start = mode_group->num_crtcs +
1204 mode_group->num_encoders;
1205 for (i = start; i < start + mode_group->num_connectors; i++) {
1206 if (put_user(mode_group->id_list[i],
1207 connector_id + copied)) {
1215 card_res->count_connectors = connector_count;
1217 DRM_DEBUG_KMS("CRTC[%d] CONNECTORS[%d] ENCODERS[%d]\n", card_res->count_crtcs,
1218 card_res->count_connectors, card_res->count_encoders);
1221 mutex_unlock(&dev->mode_config.mutex);
1226 * drm_mode_getcrtc - get CRTC configuration
1227 * @inode: inode from the ioctl
1228 * @filp: file * from the ioctl
1229 * @cmd: cmd from ioctl
1230 * @arg: arg from ioctl
1235 * Construct a CRTC configuration structure to return to the user.
1237 * Called by the user via ioctl.
1240 * Zero on success, errno on failure.
1242 int drm_mode_getcrtc(struct drm_device *dev,
1243 void *data, struct drm_file *file_priv)
1245 struct drm_mode_crtc *crtc_resp = data;
1246 struct drm_crtc *crtc;
1247 struct drm_mode_object *obj;
1250 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1253 mutex_lock(&dev->mode_config.mutex);
1255 obj = drm_mode_object_find(dev, crtc_resp->crtc_id,
1256 DRM_MODE_OBJECT_CRTC);
1261 crtc = obj_to_crtc(obj);
1263 crtc_resp->x = crtc->x;
1264 crtc_resp->y = crtc->y;
1265 crtc_resp->gamma_size = crtc->gamma_size;
1267 crtc_resp->fb_id = crtc->fb->base.id;
1269 crtc_resp->fb_id = 0;
1271 if (crtc->enabled) {
1273 drm_crtc_convert_to_umode(&crtc_resp->mode, &crtc->mode);
1274 crtc_resp->mode_valid = 1;
1277 crtc_resp->mode_valid = 0;
1281 mutex_unlock(&dev->mode_config.mutex);
1286 * drm_mode_getconnector - get connector configuration
1287 * @inode: inode from the ioctl
1288 * @filp: file * from the ioctl
1289 * @cmd: cmd from ioctl
1290 * @arg: arg from ioctl
1295 * Construct a connector configuration structure to return to the user.
1297 * Called by the user via ioctl.
1300 * Zero on success, errno on failure.
1302 int drm_mode_getconnector(struct drm_device *dev, void *data,
1303 struct drm_file *file_priv)
1305 struct drm_mode_get_connector *out_resp = data;
1306 struct drm_mode_object *obj;
1307 struct drm_connector *connector;
1308 struct drm_display_mode *mode;
1310 int props_count = 0;
1311 int encoders_count = 0;
1315 struct drm_mode_modeinfo u_mode;
1316 struct drm_mode_modeinfo __user *mode_ptr;
1317 uint32_t __user *prop_ptr;
1318 uint64_t __user *prop_values;
1319 uint32_t __user *encoder_ptr;
1321 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1324 memset(&u_mode, 0, sizeof(struct drm_mode_modeinfo));
1326 DRM_DEBUG_KMS("[CONNECTOR:%d:?]\n", out_resp->connector_id);
1328 mutex_lock(&dev->mode_config.mutex);
1330 obj = drm_mode_object_find(dev, out_resp->connector_id,
1331 DRM_MODE_OBJECT_CONNECTOR);
1336 connector = obj_to_connector(obj);
1338 for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
1339 if (connector->property_ids[i] != 0) {
1344 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1345 if (connector->encoder_ids[i] != 0) {
1350 if (out_resp->count_modes == 0) {
1351 connector->funcs->fill_modes(connector,
1352 dev->mode_config.max_width,
1353 dev->mode_config.max_height);
1356 /* delayed so we get modes regardless of pre-fill_modes state */
1357 list_for_each_entry(mode, &connector->modes, head)
1360 out_resp->connector_id = connector->base.id;
1361 out_resp->connector_type = connector->connector_type;
1362 out_resp->connector_type_id = connector->connector_type_id;
1363 out_resp->mm_width = connector->display_info.width_mm;
1364 out_resp->mm_height = connector->display_info.height_mm;
1365 out_resp->subpixel = connector->display_info.subpixel_order;
1366 out_resp->connection = connector->status;
1367 if (connector->encoder)
1368 out_resp->encoder_id = connector->encoder->base.id;
1370 out_resp->encoder_id = 0;
1373 * This ioctl is called twice, once to determine how much space is
1374 * needed, and the 2nd time to fill it.
1376 if ((out_resp->count_modes >= mode_count) && mode_count) {
1378 mode_ptr = (struct drm_mode_modeinfo *)(unsigned long)out_resp->modes_ptr;
1379 list_for_each_entry(mode, &connector->modes, head) {
1380 drm_crtc_convert_to_umode(&u_mode, mode);
1381 if (copy_to_user(mode_ptr + copied,
1382 &u_mode, sizeof(u_mode))) {
1389 out_resp->count_modes = mode_count;
1391 if ((out_resp->count_props >= props_count) && props_count) {
1393 prop_ptr = (uint32_t *)(unsigned long)(out_resp->props_ptr);
1394 prop_values = (uint64_t *)(unsigned long)(out_resp->prop_values_ptr);
1395 for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
1396 if (connector->property_ids[i] != 0) {
1397 if (put_user(connector->property_ids[i],
1398 prop_ptr + copied)) {
1403 if (put_user(connector->property_values[i],
1404 prop_values + copied)) {
1412 out_resp->count_props = props_count;
1414 if ((out_resp->count_encoders >= encoders_count) && encoders_count) {
1416 encoder_ptr = (uint32_t *)(unsigned long)(out_resp->encoders_ptr);
1417 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1418 if (connector->encoder_ids[i] != 0) {
1419 if (put_user(connector->encoder_ids[i],
1420 encoder_ptr + copied)) {
1428 out_resp->count_encoders = encoders_count;
1431 mutex_unlock(&dev->mode_config.mutex);
1435 int drm_mode_getencoder(struct drm_device *dev, void *data,
1436 struct drm_file *file_priv)
1438 struct drm_mode_get_encoder *enc_resp = data;
1439 struct drm_mode_object *obj;
1440 struct drm_encoder *encoder;
1443 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1446 mutex_lock(&dev->mode_config.mutex);
1447 obj = drm_mode_object_find(dev, enc_resp->encoder_id,
1448 DRM_MODE_OBJECT_ENCODER);
1453 encoder = obj_to_encoder(obj);
1456 enc_resp->crtc_id = encoder->crtc->base.id;
1458 enc_resp->crtc_id = 0;
1459 enc_resp->encoder_type = encoder->encoder_type;
1460 enc_resp->encoder_id = encoder->base.id;
1461 enc_resp->possible_crtcs = encoder->possible_crtcs;
1462 enc_resp->possible_clones = encoder->possible_clones;
1465 mutex_unlock(&dev->mode_config.mutex);
1470 * drm_mode_setcrtc - set CRTC configuration
1471 * @inode: inode from the ioctl
1472 * @filp: file * from the ioctl
1473 * @cmd: cmd from ioctl
1474 * @arg: arg from ioctl
1479 * Build a new CRTC configuration based on user request.
1481 * Called by the user via ioctl.
1484 * Zero on success, errno on failure.
1486 int drm_mode_setcrtc(struct drm_device *dev, void *data,
1487 struct drm_file *file_priv)
1489 struct drm_mode_config *config = &dev->mode_config;
1490 struct drm_mode_crtc *crtc_req = data;
1491 struct drm_mode_object *obj;
1492 struct drm_crtc *crtc, *crtcfb;
1493 struct drm_connector **connector_set = NULL, *connector;
1494 struct drm_framebuffer *fb = NULL;
1495 struct drm_display_mode *mode = NULL;
1496 struct drm_mode_set set;
1497 uint32_t __user *set_connectors_ptr;
1501 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1504 mutex_lock(&dev->mode_config.mutex);
1505 obj = drm_mode_object_find(dev, crtc_req->crtc_id,
1506 DRM_MODE_OBJECT_CRTC);
1508 DRM_DEBUG_KMS("Unknown CRTC ID %d\n", crtc_req->crtc_id);
1512 crtc = obj_to_crtc(obj);
1513 DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id);
1515 if (crtc_req->mode_valid) {
1516 /* If we have a mode we need a framebuffer. */
1517 /* If we pass -1, set the mode with the currently bound fb */
1518 if (crtc_req->fb_id == -1) {
1519 list_for_each_entry(crtcfb,
1520 &dev->mode_config.crtc_list, head) {
1521 if (crtcfb == crtc) {
1522 DRM_DEBUG_KMS("Using current fb for "
1528 obj = drm_mode_object_find(dev, crtc_req->fb_id,
1529 DRM_MODE_OBJECT_FB);
1531 DRM_DEBUG_KMS("Unknown FB ID%d\n",
1536 fb = obj_to_fb(obj);
1539 mode = drm_mode_create(dev);
1540 drm_crtc_convert_umode(mode, &crtc_req->mode);
1541 drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V);
1544 if (crtc_req->count_connectors == 0 && mode) {
1545 DRM_DEBUG_KMS("Count connectors is 0 but mode set\n");
1550 if (crtc_req->count_connectors > 0 && (!mode || !fb)) {
1551 DRM_DEBUG_KMS("Count connectors is %d but no mode or fb set\n",
1552 crtc_req->count_connectors);
1557 if (crtc_req->count_connectors > 0) {
1560 /* Avoid unbounded kernel memory allocation */
1561 if (crtc_req->count_connectors > config->num_connector) {
1566 connector_set = kmalloc(crtc_req->count_connectors *
1567 sizeof(struct drm_connector *),
1569 if (!connector_set) {
1574 for (i = 0; i < crtc_req->count_connectors; i++) {
1575 set_connectors_ptr = (uint32_t *)(unsigned long)crtc_req->set_connectors_ptr;
1576 if (get_user(out_id, &set_connectors_ptr[i])) {
1581 obj = drm_mode_object_find(dev, out_id,
1582 DRM_MODE_OBJECT_CONNECTOR);
1584 DRM_DEBUG_KMS("Connector id %d unknown\n",
1589 connector = obj_to_connector(obj);
1590 DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
1592 drm_get_connector_name(connector));
1594 connector_set[i] = connector;
1599 set.x = crtc_req->x;
1600 set.y = crtc_req->y;
1602 set.connectors = connector_set;
1603 set.num_connectors = crtc_req->count_connectors;
1605 ret = crtc->funcs->set_config(&set);
1608 kfree(connector_set);
1609 mutex_unlock(&dev->mode_config.mutex);
1613 int drm_mode_cursor_ioctl(struct drm_device *dev,
1614 void *data, struct drm_file *file_priv)
1616 struct drm_mode_cursor *req = data;
1617 struct drm_mode_object *obj;
1618 struct drm_crtc *crtc;
1621 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1625 DRM_ERROR("no operation set\n");
1629 mutex_lock(&dev->mode_config.mutex);
1630 obj = drm_mode_object_find(dev, req->crtc_id, DRM_MODE_OBJECT_CRTC);
1632 DRM_DEBUG_KMS("Unknown CRTC ID %d\n", req->crtc_id);
1636 crtc = obj_to_crtc(obj);
1638 if (req->flags & DRM_MODE_CURSOR_BO) {
1639 if (!crtc->funcs->cursor_set) {
1640 DRM_ERROR("crtc does not support cursor\n");
1644 /* Turns off the cursor if handle is 0 */
1645 ret = crtc->funcs->cursor_set(crtc, file_priv, req->handle,
1646 req->width, req->height);
1649 if (req->flags & DRM_MODE_CURSOR_MOVE) {
1650 if (crtc->funcs->cursor_move) {
1651 ret = crtc->funcs->cursor_move(crtc, req->x, req->y);
1653 DRM_ERROR("crtc does not support cursor\n");
1659 mutex_unlock(&dev->mode_config.mutex);
1664 * drm_mode_addfb - add an FB to the graphics configuration
1665 * @inode: inode from the ioctl
1666 * @filp: file * from the ioctl
1667 * @cmd: cmd from ioctl
1668 * @arg: arg from ioctl
1671 * Takes mode config lock.
1673 * Add a new FB to the specified CRTC, given a user request.
1675 * Called by the user via ioctl.
1678 * Zero on success, errno on failure.
1680 int drm_mode_addfb(struct drm_device *dev,
1681 void *data, struct drm_file *file_priv)
1683 struct drm_mode_fb_cmd *r = data;
1684 struct drm_mode_config *config = &dev->mode_config;
1685 struct drm_framebuffer *fb;
1688 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1691 if ((config->min_width > r->width) || (r->width > config->max_width)) {
1692 DRM_ERROR("mode new framebuffer width not within limits\n");
1695 if ((config->min_height > r->height) || (r->height > config->max_height)) {
1696 DRM_ERROR("mode new framebuffer height not within limits\n");
1700 mutex_lock(&dev->mode_config.mutex);
1702 /* TODO check buffer is sufficiently large */
1703 /* TODO setup destructor callback */
1705 fb = dev->mode_config.funcs->fb_create(dev, file_priv, r);
1707 DRM_ERROR("could not create framebuffer\n");
1712 r->fb_id = fb->base.id;
1713 list_add(&fb->filp_head, &file_priv->fbs);
1714 DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id);
1717 mutex_unlock(&dev->mode_config.mutex);
1722 * drm_mode_rmfb - remove an FB from the configuration
1723 * @inode: inode from the ioctl
1724 * @filp: file * from the ioctl
1725 * @cmd: cmd from ioctl
1726 * @arg: arg from ioctl
1729 * Takes mode config lock.
1731 * Remove the FB specified by the user.
1733 * Called by the user via ioctl.
1736 * Zero on success, errno on failure.
1738 int drm_mode_rmfb(struct drm_device *dev,
1739 void *data, struct drm_file *file_priv)
1741 struct drm_mode_object *obj;
1742 struct drm_framebuffer *fb = NULL;
1743 struct drm_framebuffer *fbl = NULL;
1744 uint32_t *id = data;
1748 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1751 mutex_lock(&dev->mode_config.mutex);
1752 obj = drm_mode_object_find(dev, *id, DRM_MODE_OBJECT_FB);
1753 /* TODO check that we really get a framebuffer back. */
1755 DRM_ERROR("mode invalid framebuffer id\n");
1759 fb = obj_to_fb(obj);
1761 list_for_each_entry(fbl, &file_priv->fbs, filp_head)
1766 DRM_ERROR("tried to remove a fb that we didn't own\n");
1771 /* TODO release all crtc connected to the framebuffer */
1772 /* TODO unhock the destructor from the buffer object */
1774 list_del(&fb->filp_head);
1775 fb->funcs->destroy(fb);
1778 mutex_unlock(&dev->mode_config.mutex);
1783 * drm_mode_getfb - get FB info
1784 * @inode: inode from the ioctl
1785 * @filp: file * from the ioctl
1786 * @cmd: cmd from ioctl
1787 * @arg: arg from ioctl
1792 * Lookup the FB given its ID and return info about it.
1794 * Called by the user via ioctl.
1797 * Zero on success, errno on failure.
1799 int drm_mode_getfb(struct drm_device *dev,
1800 void *data, struct drm_file *file_priv)
1802 struct drm_mode_fb_cmd *r = data;
1803 struct drm_mode_object *obj;
1804 struct drm_framebuffer *fb;
1807 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1810 mutex_lock(&dev->mode_config.mutex);
1811 obj = drm_mode_object_find(dev, r->fb_id, DRM_MODE_OBJECT_FB);
1813 DRM_ERROR("invalid framebuffer id\n");
1817 fb = obj_to_fb(obj);
1819 r->height = fb->height;
1820 r->width = fb->width;
1821 r->depth = fb->depth;
1822 r->bpp = fb->bits_per_pixel;
1823 r->pitch = fb->pitch;
1824 fb->funcs->create_handle(fb, file_priv, &r->handle);
1827 mutex_unlock(&dev->mode_config.mutex);
1831 int drm_mode_dirtyfb_ioctl(struct drm_device *dev,
1832 void *data, struct drm_file *file_priv)
1834 struct drm_clip_rect __user *clips_ptr;
1835 struct drm_clip_rect *clips = NULL;
1836 struct drm_mode_fb_dirty_cmd *r = data;
1837 struct drm_mode_object *obj;
1838 struct drm_framebuffer *fb;
1843 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1846 mutex_lock(&dev->mode_config.mutex);
1847 obj = drm_mode_object_find(dev, r->fb_id, DRM_MODE_OBJECT_FB);
1849 DRM_ERROR("invalid framebuffer id\n");
1853 fb = obj_to_fb(obj);
1855 num_clips = r->num_clips;
1856 clips_ptr = (struct drm_clip_rect *)(unsigned long)r->clips_ptr;
1858 if (!num_clips != !clips_ptr) {
1863 flags = DRM_MODE_FB_DIRTY_FLAGS & r->flags;
1865 /* If userspace annotates copy, clips must come in pairs */
1866 if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY && (num_clips % 2)) {
1871 if (num_clips && clips_ptr) {
1872 clips = kzalloc(num_clips * sizeof(*clips), GFP_KERNEL);
1878 ret = copy_from_user(clips, clips_ptr,
1879 num_clips * sizeof(*clips));
1886 if (fb->funcs->dirty) {
1887 ret = fb->funcs->dirty(fb, file_priv, flags, r->color,
1897 mutex_unlock(&dev->mode_config.mutex);
1903 * drm_fb_release - remove and free the FBs on this file
1904 * @filp: file * from the ioctl
1907 * Takes mode config lock.
1909 * Destroy all the FBs associated with @filp.
1911 * Called by the user via ioctl.
1914 * Zero on success, errno on failure.
1916 void drm_fb_release(struct drm_file *priv)
1918 struct drm_device *dev = priv->minor->dev;
1919 struct drm_framebuffer *fb, *tfb;
1921 mutex_lock(&dev->mode_config.mutex);
1922 list_for_each_entry_safe(fb, tfb, &priv->fbs, filp_head) {
1923 list_del(&fb->filp_head);
1924 fb->funcs->destroy(fb);
1926 mutex_unlock(&dev->mode_config.mutex);
1930 * drm_mode_attachmode - add a mode to the user mode list
1932 * @connector: connector to add the mode to
1933 * @mode: mode to add
1935 * Add @mode to @connector's user mode list.
1937 static int drm_mode_attachmode(struct drm_device *dev,
1938 struct drm_connector *connector,
1939 struct drm_display_mode *mode)
1943 list_add_tail(&mode->head, &connector->user_modes);
1947 int drm_mode_attachmode_crtc(struct drm_device *dev, struct drm_crtc *crtc,
1948 struct drm_display_mode *mode)
1950 struct drm_connector *connector;
1952 struct drm_display_mode *dup_mode;
1954 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1955 if (!connector->encoder)
1957 if (connector->encoder->crtc == crtc) {
1959 dup_mode = drm_mode_duplicate(dev, mode);
1962 ret = drm_mode_attachmode(dev, connector, dup_mode);
1970 EXPORT_SYMBOL(drm_mode_attachmode_crtc);
1972 static int drm_mode_detachmode(struct drm_device *dev,
1973 struct drm_connector *connector,
1974 struct drm_display_mode *mode)
1978 struct drm_display_mode *match_mode, *t;
1980 list_for_each_entry_safe(match_mode, t, &connector->user_modes, head) {
1981 if (drm_mode_equal(match_mode, mode)) {
1982 list_del(&match_mode->head);
1983 drm_mode_destroy(dev, match_mode);
1995 int drm_mode_detachmode_crtc(struct drm_device *dev, struct drm_display_mode *mode)
1997 struct drm_connector *connector;
1999 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
2000 drm_mode_detachmode(dev, connector, mode);
2004 EXPORT_SYMBOL(drm_mode_detachmode_crtc);
2007 * drm_fb_attachmode - Attach a user mode to an connector
2008 * @inode: inode from the ioctl
2009 * @filp: file * from the ioctl
2010 * @cmd: cmd from ioctl
2011 * @arg: arg from ioctl
2013 * This attaches a user specified mode to an connector.
2014 * Called by the user via ioctl.
2017 * Zero on success, errno on failure.
2019 int drm_mode_attachmode_ioctl(struct drm_device *dev,
2020 void *data, struct drm_file *file_priv)
2022 struct drm_mode_mode_cmd *mode_cmd = data;
2023 struct drm_connector *connector;
2024 struct drm_display_mode *mode;
2025 struct drm_mode_object *obj;
2026 struct drm_mode_modeinfo *umode = &mode_cmd->mode;
2029 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2032 mutex_lock(&dev->mode_config.mutex);
2034 obj = drm_mode_object_find(dev, mode_cmd->connector_id, DRM_MODE_OBJECT_CONNECTOR);
2039 connector = obj_to_connector(obj);
2041 mode = drm_mode_create(dev);
2047 drm_crtc_convert_umode(mode, umode);
2049 ret = drm_mode_attachmode(dev, connector, mode);
2051 mutex_unlock(&dev->mode_config.mutex);
2057 * drm_fb_detachmode - Detach a user specified mode from an connector
2058 * @inode: inode from the ioctl
2059 * @filp: file * from the ioctl
2060 * @cmd: cmd from ioctl
2061 * @arg: arg from ioctl
2063 * Called by the user via ioctl.
2066 * Zero on success, errno on failure.
2068 int drm_mode_detachmode_ioctl(struct drm_device *dev,
2069 void *data, struct drm_file *file_priv)
2071 struct drm_mode_object *obj;
2072 struct drm_mode_mode_cmd *mode_cmd = data;
2073 struct drm_connector *connector;
2074 struct drm_display_mode mode;
2075 struct drm_mode_modeinfo *umode = &mode_cmd->mode;
2078 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2081 mutex_lock(&dev->mode_config.mutex);
2083 obj = drm_mode_object_find(dev, mode_cmd->connector_id, DRM_MODE_OBJECT_CONNECTOR);
2088 connector = obj_to_connector(obj);
2090 drm_crtc_convert_umode(&mode, umode);
2091 ret = drm_mode_detachmode(dev, connector, &mode);
2093 mutex_unlock(&dev->mode_config.mutex);
2097 struct drm_property *drm_property_create(struct drm_device *dev, int flags,
2098 const char *name, int num_values)
2100 struct drm_property *property = NULL;
2102 property = kzalloc(sizeof(struct drm_property), GFP_KERNEL);
2107 property->values = kzalloc(sizeof(uint64_t)*num_values, GFP_KERNEL);
2108 if (!property->values)
2112 drm_mode_object_get(dev, &property->base, DRM_MODE_OBJECT_PROPERTY);
2113 property->flags = flags;
2114 property->num_values = num_values;
2115 INIT_LIST_HEAD(&property->enum_blob_list);
2118 strncpy(property->name, name, DRM_PROP_NAME_LEN);
2120 list_add_tail(&property->head, &dev->mode_config.property_list);
2126 EXPORT_SYMBOL(drm_property_create);
2128 int drm_property_add_enum(struct drm_property *property, int index,
2129 uint64_t value, const char *name)
2131 struct drm_property_enum *prop_enum;
2133 if (!(property->flags & DRM_MODE_PROP_ENUM))
2136 if (!list_empty(&property->enum_blob_list)) {
2137 list_for_each_entry(prop_enum, &property->enum_blob_list, head) {
2138 if (prop_enum->value == value) {
2139 strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN);
2140 prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0';
2146 prop_enum = kzalloc(sizeof(struct drm_property_enum), GFP_KERNEL);
2150 strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN);
2151 prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0';
2152 prop_enum->value = value;
2154 property->values[index] = value;
2155 list_add_tail(&prop_enum->head, &property->enum_blob_list);
2158 EXPORT_SYMBOL(drm_property_add_enum);
2160 void drm_property_destroy(struct drm_device *dev, struct drm_property *property)
2162 struct drm_property_enum *prop_enum, *pt;
2164 list_for_each_entry_safe(prop_enum, pt, &property->enum_blob_list, head) {
2165 list_del(&prop_enum->head);
2169 if (property->num_values)
2170 kfree(property->values);
2171 drm_mode_object_put(dev, &property->base);
2172 list_del(&property->head);
2175 EXPORT_SYMBOL(drm_property_destroy);
2177 int drm_connector_attach_property(struct drm_connector *connector,
2178 struct drm_property *property, uint64_t init_val)
2182 for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
2183 if (connector->property_ids[i] == 0) {
2184 connector->property_ids[i] = property->base.id;
2185 connector->property_values[i] = init_val;
2190 if (i == DRM_CONNECTOR_MAX_PROPERTY)
2194 EXPORT_SYMBOL(drm_connector_attach_property);
2196 int drm_connector_property_set_value(struct drm_connector *connector,
2197 struct drm_property *property, uint64_t value)
2201 for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
2202 if (connector->property_ids[i] == property->base.id) {
2203 connector->property_values[i] = value;
2208 if (i == DRM_CONNECTOR_MAX_PROPERTY)
2212 EXPORT_SYMBOL(drm_connector_property_set_value);
2214 int drm_connector_property_get_value(struct drm_connector *connector,
2215 struct drm_property *property, uint64_t *val)
2219 for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
2220 if (connector->property_ids[i] == property->base.id) {
2221 *val = connector->property_values[i];
2226 if (i == DRM_CONNECTOR_MAX_PROPERTY)
2230 EXPORT_SYMBOL(drm_connector_property_get_value);
2232 int drm_mode_getproperty_ioctl(struct drm_device *dev,
2233 void *data, struct drm_file *file_priv)
2235 struct drm_mode_object *obj;
2236 struct drm_mode_get_property *out_resp = data;
2237 struct drm_property *property;
2240 int value_count = 0;
2243 struct drm_property_enum *prop_enum;
2244 struct drm_mode_property_enum __user *enum_ptr;
2245 struct drm_property_blob *prop_blob;
2246 uint32_t *blob_id_ptr;
2247 uint64_t __user *values_ptr;
2248 uint32_t __user *blob_length_ptr;
2250 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2253 mutex_lock(&dev->mode_config.mutex);
2254 obj = drm_mode_object_find(dev, out_resp->prop_id, DRM_MODE_OBJECT_PROPERTY);
2259 property = obj_to_property(obj);
2261 if (property->flags & DRM_MODE_PROP_ENUM) {
2262 list_for_each_entry(prop_enum, &property->enum_blob_list, head)
2264 } else if (property->flags & DRM_MODE_PROP_BLOB) {
2265 list_for_each_entry(prop_blob, &property->enum_blob_list, head)
2269 value_count = property->num_values;
2271 strncpy(out_resp->name, property->name, DRM_PROP_NAME_LEN);
2272 out_resp->name[DRM_PROP_NAME_LEN-1] = 0;
2273 out_resp->flags = property->flags;
2275 if ((out_resp->count_values >= value_count) && value_count) {
2276 values_ptr = (uint64_t *)(unsigned long)out_resp->values_ptr;
2277 for (i = 0; i < value_count; i++) {
2278 if (copy_to_user(values_ptr + i, &property->values[i], sizeof(uint64_t))) {
2284 out_resp->count_values = value_count;
2286 if (property->flags & DRM_MODE_PROP_ENUM) {
2287 if ((out_resp->count_enum_blobs >= enum_count) && enum_count) {
2289 enum_ptr = (struct drm_mode_property_enum *)(unsigned long)out_resp->enum_blob_ptr;
2290 list_for_each_entry(prop_enum, &property->enum_blob_list, head) {
2292 if (copy_to_user(&enum_ptr[copied].value, &prop_enum->value, sizeof(uint64_t))) {
2297 if (copy_to_user(&enum_ptr[copied].name,
2298 &prop_enum->name, DRM_PROP_NAME_LEN)) {
2305 out_resp->count_enum_blobs = enum_count;
2308 if (property->flags & DRM_MODE_PROP_BLOB) {
2309 if ((out_resp->count_enum_blobs >= blob_count) && blob_count) {
2311 blob_id_ptr = (uint32_t *)(unsigned long)out_resp->enum_blob_ptr;
2312 blob_length_ptr = (uint32_t *)(unsigned long)out_resp->values_ptr;
2314 list_for_each_entry(prop_blob, &property->enum_blob_list, head) {
2315 if (put_user(prop_blob->base.id, blob_id_ptr + copied)) {
2320 if (put_user(prop_blob->length, blob_length_ptr + copied)) {
2328 out_resp->count_enum_blobs = blob_count;
2331 mutex_unlock(&dev->mode_config.mutex);
2335 static struct drm_property_blob *drm_property_create_blob(struct drm_device *dev, int length,
2338 struct drm_property_blob *blob;
2340 if (!length || !data)
2343 blob = kzalloc(sizeof(struct drm_property_blob)+length, GFP_KERNEL);
2347 blob->data = (void *)((char *)blob + sizeof(struct drm_property_blob));
2348 blob->length = length;
2350 memcpy(blob->data, data, length);
2352 drm_mode_object_get(dev, &blob->base, DRM_MODE_OBJECT_BLOB);
2354 list_add_tail(&blob->head, &dev->mode_config.property_blob_list);
2358 static void drm_property_destroy_blob(struct drm_device *dev,
2359 struct drm_property_blob *blob)
2361 drm_mode_object_put(dev, &blob->base);
2362 list_del(&blob->head);
2366 int drm_mode_getblob_ioctl(struct drm_device *dev,
2367 void *data, struct drm_file *file_priv)
2369 struct drm_mode_object *obj;
2370 struct drm_mode_get_blob *out_resp = data;
2371 struct drm_property_blob *blob;
2375 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2378 mutex_lock(&dev->mode_config.mutex);
2379 obj = drm_mode_object_find(dev, out_resp->blob_id, DRM_MODE_OBJECT_BLOB);
2384 blob = obj_to_blob(obj);
2386 if (out_resp->length == blob->length) {
2387 blob_ptr = (void *)(unsigned long)out_resp->data;
2388 if (copy_to_user(blob_ptr, blob->data, blob->length)){
2393 out_resp->length = blob->length;
2396 mutex_unlock(&dev->mode_config.mutex);
2400 int drm_mode_connector_update_edid_property(struct drm_connector *connector,
2403 struct drm_device *dev = connector->dev;
2406 if (connector->edid_blob_ptr)
2407 drm_property_destroy_blob(dev, connector->edid_blob_ptr);
2409 /* Delete edid, when there is none. */
2411 connector->edid_blob_ptr = NULL;
2412 ret = drm_connector_property_set_value(connector, dev->mode_config.edid_property, 0);
2416 size = EDID_LENGTH * (1 + edid->extensions);
2417 connector->edid_blob_ptr = drm_property_create_blob(connector->dev,
2420 ret = drm_connector_property_set_value(connector,
2421 dev->mode_config.edid_property,
2422 connector->edid_blob_ptr->base.id);
2426 EXPORT_SYMBOL(drm_mode_connector_update_edid_property);
2428 int drm_mode_connector_property_set_ioctl(struct drm_device *dev,
2429 void *data, struct drm_file *file_priv)
2431 struct drm_mode_connector_set_property *out_resp = data;
2432 struct drm_mode_object *obj;
2433 struct drm_property *property;
2434 struct drm_connector *connector;
2438 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2441 mutex_lock(&dev->mode_config.mutex);
2443 obj = drm_mode_object_find(dev, out_resp->connector_id, DRM_MODE_OBJECT_CONNECTOR);
2447 connector = obj_to_connector(obj);
2449 for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
2450 if (connector->property_ids[i] == out_resp->prop_id)
2454 if (i == DRM_CONNECTOR_MAX_PROPERTY) {
2458 obj = drm_mode_object_find(dev, out_resp->prop_id, DRM_MODE_OBJECT_PROPERTY);
2462 property = obj_to_property(obj);
2464 if (property->flags & DRM_MODE_PROP_IMMUTABLE)
2467 if (property->flags & DRM_MODE_PROP_RANGE) {
2468 if (out_resp->value < property->values[0])
2471 if (out_resp->value > property->values[1])
2475 for (i = 0; i < property->num_values; i++) {
2476 if (property->values[i] == out_resp->value) {
2486 /* Do DPMS ourselves */
2487 if (property == connector->dev->mode_config.dpms_property) {
2488 if (connector->funcs->dpms)
2489 (*connector->funcs->dpms)(connector, (int) out_resp->value);
2491 } else if (connector->funcs->set_property)
2492 ret = connector->funcs->set_property(connector, property, out_resp->value);
2494 /* store the property value if successful */
2496 drm_connector_property_set_value(connector, property, out_resp->value);
2498 mutex_unlock(&dev->mode_config.mutex);
2502 int drm_mode_connector_attach_encoder(struct drm_connector *connector,
2503 struct drm_encoder *encoder)
2507 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
2508 if (connector->encoder_ids[i] == 0) {
2509 connector->encoder_ids[i] = encoder->base.id;
2515 EXPORT_SYMBOL(drm_mode_connector_attach_encoder);
2517 void drm_mode_connector_detach_encoder(struct drm_connector *connector,
2518 struct drm_encoder *encoder)
2521 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
2522 if (connector->encoder_ids[i] == encoder->base.id) {
2523 connector->encoder_ids[i] = 0;
2524 if (connector->encoder == encoder)
2525 connector->encoder = NULL;
2530 EXPORT_SYMBOL(drm_mode_connector_detach_encoder);
2532 bool drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc,
2535 crtc->gamma_size = gamma_size;
2537 crtc->gamma_store = kzalloc(gamma_size * sizeof(uint16_t) * 3, GFP_KERNEL);
2538 if (!crtc->gamma_store) {
2539 crtc->gamma_size = 0;
2545 EXPORT_SYMBOL(drm_mode_crtc_set_gamma_size);
2547 int drm_mode_gamma_set_ioctl(struct drm_device *dev,
2548 void *data, struct drm_file *file_priv)
2550 struct drm_mode_crtc_lut *crtc_lut = data;
2551 struct drm_mode_object *obj;
2552 struct drm_crtc *crtc;
2553 void *r_base, *g_base, *b_base;
2557 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2560 mutex_lock(&dev->mode_config.mutex);
2561 obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC);
2566 crtc = obj_to_crtc(obj);
2568 /* memcpy into gamma store */
2569 if (crtc_lut->gamma_size != crtc->gamma_size) {
2574 size = crtc_lut->gamma_size * (sizeof(uint16_t));
2575 r_base = crtc->gamma_store;
2576 if (copy_from_user(r_base, (void __user *)(unsigned long)crtc_lut->red, size)) {
2581 g_base = r_base + size;
2582 if (copy_from_user(g_base, (void __user *)(unsigned long)crtc_lut->green, size)) {
2587 b_base = g_base + size;
2588 if (copy_from_user(b_base, (void __user *)(unsigned long)crtc_lut->blue, size)) {
2593 crtc->funcs->gamma_set(crtc, r_base, g_base, b_base, 0, crtc->gamma_size);
2596 mutex_unlock(&dev->mode_config.mutex);
2601 int drm_mode_gamma_get_ioctl(struct drm_device *dev,
2602 void *data, struct drm_file *file_priv)
2604 struct drm_mode_crtc_lut *crtc_lut = data;
2605 struct drm_mode_object *obj;
2606 struct drm_crtc *crtc;
2607 void *r_base, *g_base, *b_base;
2611 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2614 mutex_lock(&dev->mode_config.mutex);
2615 obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC);
2620 crtc = obj_to_crtc(obj);
2622 /* memcpy into gamma store */
2623 if (crtc_lut->gamma_size != crtc->gamma_size) {
2628 size = crtc_lut->gamma_size * (sizeof(uint16_t));
2629 r_base = crtc->gamma_store;
2630 if (copy_to_user((void __user *)(unsigned long)crtc_lut->red, r_base, size)) {
2635 g_base = r_base + size;
2636 if (copy_to_user((void __user *)(unsigned long)crtc_lut->green, g_base, size)) {
2641 b_base = g_base + size;
2642 if (copy_to_user((void __user *)(unsigned long)crtc_lut->blue, b_base, size)) {
2647 mutex_unlock(&dev->mode_config.mutex);
2651 int drm_mode_page_flip_ioctl(struct drm_device *dev,
2652 void *data, struct drm_file *file_priv)
2654 struct drm_mode_crtc_page_flip *page_flip = data;
2655 struct drm_mode_object *obj;
2656 struct drm_crtc *crtc;
2657 struct drm_framebuffer *fb;
2658 struct drm_pending_vblank_event *e = NULL;
2659 unsigned long flags;
2662 if (page_flip->flags & ~DRM_MODE_PAGE_FLIP_FLAGS ||
2663 page_flip->reserved != 0)
2666 mutex_lock(&dev->mode_config.mutex);
2667 obj = drm_mode_object_find(dev, page_flip->crtc_id, DRM_MODE_OBJECT_CRTC);
2670 crtc = obj_to_crtc(obj);
2672 if (crtc->fb == NULL) {
2673 /* The framebuffer is currently unbound, presumably
2674 * due to a hotplug event, that userspace has not
2681 if (crtc->funcs->page_flip == NULL)
2684 obj = drm_mode_object_find(dev, page_flip->fb_id, DRM_MODE_OBJECT_FB);
2687 fb = obj_to_fb(obj);
2689 if (page_flip->flags & DRM_MODE_PAGE_FLIP_EVENT) {
2691 spin_lock_irqsave(&dev->event_lock, flags);
2692 if (file_priv->event_space < sizeof e->event) {
2693 spin_unlock_irqrestore(&dev->event_lock, flags);
2696 file_priv->event_space -= sizeof e->event;
2697 spin_unlock_irqrestore(&dev->event_lock, flags);
2699 e = kzalloc(sizeof *e, GFP_KERNEL);
2701 spin_lock_irqsave(&dev->event_lock, flags);
2702 file_priv->event_space += sizeof e->event;
2703 spin_unlock_irqrestore(&dev->event_lock, flags);
2707 e->event.base.type = DRM_EVENT_FLIP_COMPLETE;
2708 e->event.base.length = sizeof e->event;
2709 e->event.user_data = page_flip->user_data;
2710 e->base.event = &e->event.base;
2711 e->base.file_priv = file_priv;
2713 (void (*) (struct drm_pending_event *)) kfree;
2716 ret = crtc->funcs->page_flip(crtc, fb, e);
2718 spin_lock_irqsave(&dev->event_lock, flags);
2719 file_priv->event_space += sizeof e->event;
2720 spin_unlock_irqrestore(&dev->event_lock, flags);
2725 mutex_unlock(&dev->mode_config.mutex);
2729 void drm_mode_config_reset(struct drm_device *dev)
2731 struct drm_crtc *crtc;
2732 struct drm_encoder *encoder;
2733 struct drm_connector *connector;
2735 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head)
2736 if (crtc->funcs->reset)
2737 crtc->funcs->reset(crtc);
2739 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head)
2740 if (encoder->funcs->reset)
2741 encoder->funcs->reset(encoder);
2743 list_for_each_entry(connector, &dev->mode_config.connector_list, head)
2744 if (connector->funcs->reset)
2745 connector->funcs->reset(connector);
2747 EXPORT_SYMBOL(drm_mode_config_reset);
2749 int drm_mode_create_dumb_ioctl(struct drm_device *dev,
2750 void *data, struct drm_file *file_priv)
2752 struct drm_mode_create_dumb *args = data;
2754 if (!dev->driver->dumb_create)
2756 return dev->driver->dumb_create(file_priv, dev, args);
2759 int drm_mode_mmap_dumb_ioctl(struct drm_device *dev,
2760 void *data, struct drm_file *file_priv)
2762 struct drm_mode_map_dumb *args = data;
2764 /* call driver ioctl to get mmap offset */
2765 if (!dev->driver->dumb_map_offset)
2768 return dev->driver->dumb_map_offset(file_priv, dev, args->handle, &args->offset);
2771 int drm_mode_destroy_dumb_ioctl(struct drm_device *dev,
2772 void *data, struct drm_file *file_priv)
2774 struct drm_mode_destroy_dumb *args = data;
2776 if (!dev->driver->dumb_destroy)
2779 return dev->driver->dumb_destroy(file_priv, dev, args->handle);