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 },
166 { DRM_MODE_CONNECTOR_VIRTUAL, "Virtual", 0},
169 static struct drm_prop_enum_list drm_encoder_enum_list[] =
170 { { DRM_MODE_ENCODER_NONE, "None" },
171 { DRM_MODE_ENCODER_DAC, "DAC" },
172 { DRM_MODE_ENCODER_TMDS, "TMDS" },
173 { DRM_MODE_ENCODER_LVDS, "LVDS" },
174 { DRM_MODE_ENCODER_TVDAC, "TV" },
175 { DRM_MODE_ENCODER_VIRTUAL, "Virtual" },
178 char *drm_get_encoder_name(struct drm_encoder *encoder)
182 snprintf(buf, 32, "%s-%d",
183 drm_encoder_enum_list[encoder->encoder_type].name,
187 EXPORT_SYMBOL(drm_get_encoder_name);
189 char *drm_get_connector_name(struct drm_connector *connector)
193 snprintf(buf, 32, "%s-%d",
194 drm_connector_enum_list[connector->connector_type].name,
195 connector->connector_type_id);
198 EXPORT_SYMBOL(drm_get_connector_name);
200 char *drm_get_connector_status_name(enum drm_connector_status status)
202 if (status == connector_status_connected)
204 else if (status == connector_status_disconnected)
205 return "disconnected";
211 * drm_mode_object_get - allocate a new identifier
213 * @ptr: object pointer, used to generate unique ID
218 * Create a unique identifier based on @ptr in @dev's identifier space. Used
219 * for tracking modes, CRTCs and connectors.
222 * New unique (relative to other objects in @dev) integer identifier for the
225 static int drm_mode_object_get(struct drm_device *dev,
226 struct drm_mode_object *obj, uint32_t obj_type)
232 if (idr_pre_get(&dev->mode_config.crtc_idr, GFP_KERNEL) == 0) {
233 DRM_ERROR("Ran out memory getting a mode number\n");
237 mutex_lock(&dev->mode_config.idr_mutex);
238 ret = idr_get_new_above(&dev->mode_config.crtc_idr, obj, 1, &new_id);
239 mutex_unlock(&dev->mode_config.idr_mutex);
244 obj->type = obj_type;
249 * drm_mode_object_put - free an identifer
254 * Caller must hold DRM mode_config lock.
256 * Free @id from @dev's unique identifier pool.
258 static void drm_mode_object_put(struct drm_device *dev,
259 struct drm_mode_object *object)
261 mutex_lock(&dev->mode_config.idr_mutex);
262 idr_remove(&dev->mode_config.crtc_idr, object->id);
263 mutex_unlock(&dev->mode_config.idr_mutex);
266 struct drm_mode_object *drm_mode_object_find(struct drm_device *dev,
267 uint32_t id, uint32_t type)
269 struct drm_mode_object *obj = NULL;
271 mutex_lock(&dev->mode_config.idr_mutex);
272 obj = idr_find(&dev->mode_config.crtc_idr, id);
273 if (!obj || (obj->type != type) || (obj->id != id))
275 mutex_unlock(&dev->mode_config.idr_mutex);
279 EXPORT_SYMBOL(drm_mode_object_find);
282 * drm_framebuffer_init - initialize a framebuffer
286 * Caller must hold mode config lock.
288 * Allocates an ID for the framebuffer's parent mode object, sets its mode
289 * functions & device file and adds it to the master fd list.
292 * Zero on success, error code on failure.
294 int drm_framebuffer_init(struct drm_device *dev, struct drm_framebuffer *fb,
295 const struct drm_framebuffer_funcs *funcs)
299 ret = drm_mode_object_get(dev, &fb->base, DRM_MODE_OBJECT_FB);
306 dev->mode_config.num_fb++;
307 list_add(&fb->head, &dev->mode_config.fb_list);
311 EXPORT_SYMBOL(drm_framebuffer_init);
314 * drm_framebuffer_cleanup - remove a framebuffer object
315 * @fb: framebuffer to remove
318 * Caller must hold mode config lock.
320 * Scans all the CRTCs in @dev's mode_config. If they're using @fb, removes
321 * it, setting it to NULL.
323 void drm_framebuffer_cleanup(struct drm_framebuffer *fb)
325 struct drm_device *dev = fb->dev;
326 struct drm_crtc *crtc;
327 struct drm_plane *plane;
328 struct drm_mode_set set;
331 /* remove from any CRTC */
332 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
333 if (crtc->fb == fb) {
334 /* should turn off the crtc */
335 memset(&set, 0, sizeof(struct drm_mode_set));
338 ret = crtc->funcs->set_config(&set);
340 DRM_ERROR("failed to reset crtc %p when fb was deleted\n", crtc);
344 list_for_each_entry(plane, &dev->mode_config.plane_list, head) {
345 if (plane->fb == fb) {
346 /* should turn off the crtc */
347 ret = plane->funcs->disable_plane(plane);
349 DRM_ERROR("failed to disable plane with busy fb\n");
353 drm_mode_object_put(dev, &fb->base);
355 dev->mode_config.num_fb--;
357 EXPORT_SYMBOL(drm_framebuffer_cleanup);
360 * drm_crtc_init - Initialise a new CRTC object
362 * @crtc: CRTC object to init
363 * @funcs: callbacks for the new CRTC
366 * Caller must hold mode config lock.
368 * Inits a new object created as base part of an driver crtc object.
370 void drm_crtc_init(struct drm_device *dev, struct drm_crtc *crtc,
371 const struct drm_crtc_funcs *funcs)
376 mutex_lock(&dev->mode_config.mutex);
377 drm_mode_object_get(dev, &crtc->base, DRM_MODE_OBJECT_CRTC);
379 list_add_tail(&crtc->head, &dev->mode_config.crtc_list);
380 dev->mode_config.num_crtc++;
381 mutex_unlock(&dev->mode_config.mutex);
383 EXPORT_SYMBOL(drm_crtc_init);
386 * drm_crtc_cleanup - Cleans up the core crtc usage.
387 * @crtc: CRTC to cleanup
390 * Caller must hold mode config lock.
392 * Cleanup @crtc. Removes from drm modesetting space
393 * does NOT free object, caller does that.
395 void drm_crtc_cleanup(struct drm_crtc *crtc)
397 struct drm_device *dev = crtc->dev;
399 if (crtc->gamma_store) {
400 kfree(crtc->gamma_store);
401 crtc->gamma_store = NULL;
404 drm_mode_object_put(dev, &crtc->base);
405 list_del(&crtc->head);
406 dev->mode_config.num_crtc--;
408 EXPORT_SYMBOL(drm_crtc_cleanup);
411 * drm_mode_probed_add - add a mode to a connector's probed mode list
412 * @connector: connector the new mode
416 * Caller must hold mode config lock.
418 * Add @mode to @connector's mode list for later use.
420 void drm_mode_probed_add(struct drm_connector *connector,
421 struct drm_display_mode *mode)
423 list_add(&mode->head, &connector->probed_modes);
425 EXPORT_SYMBOL(drm_mode_probed_add);
428 * drm_mode_remove - remove and free a mode
429 * @connector: connector list to modify
430 * @mode: mode to remove
433 * Caller must hold mode config lock.
435 * Remove @mode from @connector's mode list, then free it.
437 void drm_mode_remove(struct drm_connector *connector,
438 struct drm_display_mode *mode)
440 list_del(&mode->head);
443 EXPORT_SYMBOL(drm_mode_remove);
446 * drm_connector_init - Init a preallocated connector
448 * @connector: the connector to init
449 * @funcs: callbacks for this connector
450 * @name: user visible name of the connector
453 * Caller must hold @dev's mode_config lock.
455 * Initialises a preallocated connector. Connectors should be
456 * subclassed as part of driver connector objects.
458 void drm_connector_init(struct drm_device *dev,
459 struct drm_connector *connector,
460 const struct drm_connector_funcs *funcs,
463 mutex_lock(&dev->mode_config.mutex);
465 connector->dev = dev;
466 connector->funcs = funcs;
467 drm_mode_object_get(dev, &connector->base, DRM_MODE_OBJECT_CONNECTOR);
468 connector->connector_type = connector_type;
469 connector->connector_type_id =
470 ++drm_connector_enum_list[connector_type].count; /* TODO */
471 INIT_LIST_HEAD(&connector->user_modes);
472 INIT_LIST_HEAD(&connector->probed_modes);
473 INIT_LIST_HEAD(&connector->modes);
474 connector->edid_blob_ptr = NULL;
476 list_add_tail(&connector->head, &dev->mode_config.connector_list);
477 dev->mode_config.num_connector++;
479 if (connector_type != DRM_MODE_CONNECTOR_VIRTUAL)
480 drm_connector_attach_property(connector,
481 dev->mode_config.edid_property,
484 drm_connector_attach_property(connector,
485 dev->mode_config.dpms_property, 0);
487 mutex_unlock(&dev->mode_config.mutex);
489 EXPORT_SYMBOL(drm_connector_init);
492 * drm_connector_cleanup - cleans up an initialised connector
493 * @connector: connector to cleanup
496 * Caller must hold @dev's mode_config lock.
498 * Cleans up the connector but doesn't free the object.
500 void drm_connector_cleanup(struct drm_connector *connector)
502 struct drm_device *dev = connector->dev;
503 struct drm_display_mode *mode, *t;
505 list_for_each_entry_safe(mode, t, &connector->probed_modes, head)
506 drm_mode_remove(connector, mode);
508 list_for_each_entry_safe(mode, t, &connector->modes, head)
509 drm_mode_remove(connector, mode);
511 list_for_each_entry_safe(mode, t, &connector->user_modes, head)
512 drm_mode_remove(connector, mode);
514 mutex_lock(&dev->mode_config.mutex);
515 drm_mode_object_put(dev, &connector->base);
516 list_del(&connector->head);
517 dev->mode_config.num_connector--;
518 mutex_unlock(&dev->mode_config.mutex);
520 EXPORT_SYMBOL(drm_connector_cleanup);
522 void drm_encoder_init(struct drm_device *dev,
523 struct drm_encoder *encoder,
524 const struct drm_encoder_funcs *funcs,
527 mutex_lock(&dev->mode_config.mutex);
531 drm_mode_object_get(dev, &encoder->base, DRM_MODE_OBJECT_ENCODER);
532 encoder->encoder_type = encoder_type;
533 encoder->funcs = funcs;
535 list_add_tail(&encoder->head, &dev->mode_config.encoder_list);
536 dev->mode_config.num_encoder++;
538 mutex_unlock(&dev->mode_config.mutex);
540 EXPORT_SYMBOL(drm_encoder_init);
542 void drm_encoder_cleanup(struct drm_encoder *encoder)
544 struct drm_device *dev = encoder->dev;
545 mutex_lock(&dev->mode_config.mutex);
546 drm_mode_object_put(dev, &encoder->base);
547 list_del(&encoder->head);
548 dev->mode_config.num_encoder--;
549 mutex_unlock(&dev->mode_config.mutex);
551 EXPORT_SYMBOL(drm_encoder_cleanup);
553 int drm_plane_init(struct drm_device *dev, struct drm_plane *plane,
554 unsigned long possible_crtcs,
555 const struct drm_plane_funcs *funcs,
556 uint32_t *formats, uint32_t format_count)
558 mutex_lock(&dev->mode_config.mutex);
561 drm_mode_object_get(dev, &plane->base, DRM_MODE_OBJECT_PLANE);
562 plane->funcs = funcs;
563 plane->format_types = kmalloc(sizeof(uint32_t) * format_count,
565 if (!plane->format_types) {
566 DRM_DEBUG_KMS("out of memory when allocating plane\n");
567 drm_mode_object_put(dev, &plane->base);
571 memcpy(plane->format_types, formats, format_count);
572 plane->format_count = format_count;
573 plane->possible_crtcs = possible_crtcs;
575 list_add_tail(&plane->head, &dev->mode_config.plane_list);
576 dev->mode_config.num_plane++;
578 mutex_unlock(&dev->mode_config.mutex);
582 EXPORT_SYMBOL(drm_plane_init);
584 void drm_plane_cleanup(struct drm_plane *plane)
586 struct drm_device *dev = plane->dev;
588 mutex_lock(&dev->mode_config.mutex);
589 kfree(plane->format_types);
590 drm_mode_object_put(dev, &plane->base);
591 list_del(&plane->head);
592 dev->mode_config.num_plane--;
593 mutex_unlock(&dev->mode_config.mutex);
595 EXPORT_SYMBOL(drm_plane_cleanup);
598 * drm_mode_create - create a new display mode
602 * Caller must hold DRM mode_config lock.
604 * Create a new drm_display_mode, give it an ID, and return it.
607 * Pointer to new mode on success, NULL on error.
609 struct drm_display_mode *drm_mode_create(struct drm_device *dev)
611 struct drm_display_mode *nmode;
613 nmode = kzalloc(sizeof(struct drm_display_mode), GFP_KERNEL);
617 drm_mode_object_get(dev, &nmode->base, DRM_MODE_OBJECT_MODE);
620 EXPORT_SYMBOL(drm_mode_create);
623 * drm_mode_destroy - remove a mode
625 * @mode: mode to remove
628 * Caller must hold mode config lock.
630 * Free @mode's unique identifier, then free it.
632 void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode)
634 drm_mode_object_put(dev, &mode->base);
638 EXPORT_SYMBOL(drm_mode_destroy);
640 static int drm_mode_create_standard_connector_properties(struct drm_device *dev)
642 struct drm_property *edid;
643 struct drm_property *dpms;
647 * Standard properties (apply to all connectors)
649 edid = drm_property_create(dev, DRM_MODE_PROP_BLOB |
650 DRM_MODE_PROP_IMMUTABLE,
652 dev->mode_config.edid_property = edid;
654 dpms = drm_property_create(dev, DRM_MODE_PROP_ENUM,
655 "DPMS", ARRAY_SIZE(drm_dpms_enum_list));
656 for (i = 0; i < ARRAY_SIZE(drm_dpms_enum_list); i++)
657 drm_property_add_enum(dpms, i, drm_dpms_enum_list[i].type,
658 drm_dpms_enum_list[i].name);
659 dev->mode_config.dpms_property = dpms;
665 * drm_mode_create_dvi_i_properties - create DVI-I specific connector properties
668 * Called by a driver the first time a DVI-I connector is made.
670 int drm_mode_create_dvi_i_properties(struct drm_device *dev)
672 struct drm_property *dvi_i_selector;
673 struct drm_property *dvi_i_subconnector;
676 if (dev->mode_config.dvi_i_select_subconnector_property)
680 drm_property_create(dev, DRM_MODE_PROP_ENUM,
681 "select subconnector",
682 ARRAY_SIZE(drm_dvi_i_select_enum_list));
683 for (i = 0; i < ARRAY_SIZE(drm_dvi_i_select_enum_list); i++)
684 drm_property_add_enum(dvi_i_selector, i,
685 drm_dvi_i_select_enum_list[i].type,
686 drm_dvi_i_select_enum_list[i].name);
687 dev->mode_config.dvi_i_select_subconnector_property = dvi_i_selector;
690 drm_property_create(dev, DRM_MODE_PROP_ENUM |
691 DRM_MODE_PROP_IMMUTABLE,
693 ARRAY_SIZE(drm_dvi_i_subconnector_enum_list));
694 for (i = 0; i < ARRAY_SIZE(drm_dvi_i_subconnector_enum_list); i++)
695 drm_property_add_enum(dvi_i_subconnector, i,
696 drm_dvi_i_subconnector_enum_list[i].type,
697 drm_dvi_i_subconnector_enum_list[i].name);
698 dev->mode_config.dvi_i_subconnector_property = dvi_i_subconnector;
702 EXPORT_SYMBOL(drm_mode_create_dvi_i_properties);
705 * drm_create_tv_properties - create TV specific connector properties
707 * @num_modes: number of different TV formats (modes) supported
708 * @modes: array of pointers to strings containing name of each format
710 * Called by a driver's TV initialization routine, this function creates
711 * the TV specific connector properties for a given device. Caller is
712 * responsible for allocating a list of format names and passing them to
715 int drm_mode_create_tv_properties(struct drm_device *dev, int num_modes,
718 struct drm_property *tv_selector;
719 struct drm_property *tv_subconnector;
722 if (dev->mode_config.tv_select_subconnector_property)
726 * Basic connector properties
728 tv_selector = drm_property_create(dev, DRM_MODE_PROP_ENUM,
729 "select subconnector",
730 ARRAY_SIZE(drm_tv_select_enum_list));
731 for (i = 0; i < ARRAY_SIZE(drm_tv_select_enum_list); i++)
732 drm_property_add_enum(tv_selector, i,
733 drm_tv_select_enum_list[i].type,
734 drm_tv_select_enum_list[i].name);
735 dev->mode_config.tv_select_subconnector_property = tv_selector;
738 drm_property_create(dev, DRM_MODE_PROP_ENUM |
739 DRM_MODE_PROP_IMMUTABLE, "subconnector",
740 ARRAY_SIZE(drm_tv_subconnector_enum_list));
741 for (i = 0; i < ARRAY_SIZE(drm_tv_subconnector_enum_list); i++)
742 drm_property_add_enum(tv_subconnector, i,
743 drm_tv_subconnector_enum_list[i].type,
744 drm_tv_subconnector_enum_list[i].name);
745 dev->mode_config.tv_subconnector_property = tv_subconnector;
748 * Other, TV specific properties: margins & TV modes.
750 dev->mode_config.tv_left_margin_property =
751 drm_property_create(dev, DRM_MODE_PROP_RANGE,
753 dev->mode_config.tv_left_margin_property->values[0] = 0;
754 dev->mode_config.tv_left_margin_property->values[1] = 100;
756 dev->mode_config.tv_right_margin_property =
757 drm_property_create(dev, DRM_MODE_PROP_RANGE,
759 dev->mode_config.tv_right_margin_property->values[0] = 0;
760 dev->mode_config.tv_right_margin_property->values[1] = 100;
762 dev->mode_config.tv_top_margin_property =
763 drm_property_create(dev, DRM_MODE_PROP_RANGE,
765 dev->mode_config.tv_top_margin_property->values[0] = 0;
766 dev->mode_config.tv_top_margin_property->values[1] = 100;
768 dev->mode_config.tv_bottom_margin_property =
769 drm_property_create(dev, DRM_MODE_PROP_RANGE,
771 dev->mode_config.tv_bottom_margin_property->values[0] = 0;
772 dev->mode_config.tv_bottom_margin_property->values[1] = 100;
774 dev->mode_config.tv_mode_property =
775 drm_property_create(dev, DRM_MODE_PROP_ENUM,
777 for (i = 0; i < num_modes; i++)
778 drm_property_add_enum(dev->mode_config.tv_mode_property, i,
781 dev->mode_config.tv_brightness_property =
782 drm_property_create(dev, DRM_MODE_PROP_RANGE,
784 dev->mode_config.tv_brightness_property->values[0] = 0;
785 dev->mode_config.tv_brightness_property->values[1] = 100;
787 dev->mode_config.tv_contrast_property =
788 drm_property_create(dev, DRM_MODE_PROP_RANGE,
790 dev->mode_config.tv_contrast_property->values[0] = 0;
791 dev->mode_config.tv_contrast_property->values[1] = 100;
793 dev->mode_config.tv_flicker_reduction_property =
794 drm_property_create(dev, DRM_MODE_PROP_RANGE,
795 "flicker reduction", 2);
796 dev->mode_config.tv_flicker_reduction_property->values[0] = 0;
797 dev->mode_config.tv_flicker_reduction_property->values[1] = 100;
799 dev->mode_config.tv_overscan_property =
800 drm_property_create(dev, DRM_MODE_PROP_RANGE,
802 dev->mode_config.tv_overscan_property->values[0] = 0;
803 dev->mode_config.tv_overscan_property->values[1] = 100;
805 dev->mode_config.tv_saturation_property =
806 drm_property_create(dev, DRM_MODE_PROP_RANGE,
808 dev->mode_config.tv_saturation_property->values[0] = 0;
809 dev->mode_config.tv_saturation_property->values[1] = 100;
811 dev->mode_config.tv_hue_property =
812 drm_property_create(dev, DRM_MODE_PROP_RANGE,
814 dev->mode_config.tv_hue_property->values[0] = 0;
815 dev->mode_config.tv_hue_property->values[1] = 100;
819 EXPORT_SYMBOL(drm_mode_create_tv_properties);
822 * drm_mode_create_scaling_mode_property - create scaling mode property
825 * Called by a driver the first time it's needed, must be attached to desired
828 int drm_mode_create_scaling_mode_property(struct drm_device *dev)
830 struct drm_property *scaling_mode;
833 if (dev->mode_config.scaling_mode_property)
837 drm_property_create(dev, DRM_MODE_PROP_ENUM, "scaling mode",
838 ARRAY_SIZE(drm_scaling_mode_enum_list));
839 for (i = 0; i < ARRAY_SIZE(drm_scaling_mode_enum_list); i++)
840 drm_property_add_enum(scaling_mode, i,
841 drm_scaling_mode_enum_list[i].type,
842 drm_scaling_mode_enum_list[i].name);
844 dev->mode_config.scaling_mode_property = scaling_mode;
848 EXPORT_SYMBOL(drm_mode_create_scaling_mode_property);
851 * drm_mode_create_dithering_property - create dithering property
854 * Called by a driver the first time it's needed, must be attached to desired
857 int drm_mode_create_dithering_property(struct drm_device *dev)
859 struct drm_property *dithering_mode;
862 if (dev->mode_config.dithering_mode_property)
866 drm_property_create(dev, DRM_MODE_PROP_ENUM, "dithering",
867 ARRAY_SIZE(drm_dithering_mode_enum_list));
868 for (i = 0; i < ARRAY_SIZE(drm_dithering_mode_enum_list); i++)
869 drm_property_add_enum(dithering_mode, i,
870 drm_dithering_mode_enum_list[i].type,
871 drm_dithering_mode_enum_list[i].name);
872 dev->mode_config.dithering_mode_property = dithering_mode;
876 EXPORT_SYMBOL(drm_mode_create_dithering_property);
879 * drm_mode_create_dirty_property - create dirty property
882 * Called by a driver the first time it's needed, must be attached to desired
885 int drm_mode_create_dirty_info_property(struct drm_device *dev)
887 struct drm_property *dirty_info;
890 if (dev->mode_config.dirty_info_property)
894 drm_property_create(dev, DRM_MODE_PROP_ENUM |
895 DRM_MODE_PROP_IMMUTABLE,
897 ARRAY_SIZE(drm_dirty_info_enum_list));
898 for (i = 0; i < ARRAY_SIZE(drm_dirty_info_enum_list); i++)
899 drm_property_add_enum(dirty_info, i,
900 drm_dirty_info_enum_list[i].type,
901 drm_dirty_info_enum_list[i].name);
902 dev->mode_config.dirty_info_property = dirty_info;
906 EXPORT_SYMBOL(drm_mode_create_dirty_info_property);
909 * drm_mode_config_init - initialize DRM mode_configuration structure
913 * None, should happen single threaded at init time.
915 * Initialize @dev's mode_config structure, used for tracking the graphics
916 * configuration of @dev.
918 void drm_mode_config_init(struct drm_device *dev)
920 mutex_init(&dev->mode_config.mutex);
921 mutex_init(&dev->mode_config.idr_mutex);
922 INIT_LIST_HEAD(&dev->mode_config.fb_list);
923 INIT_LIST_HEAD(&dev->mode_config.crtc_list);
924 INIT_LIST_HEAD(&dev->mode_config.connector_list);
925 INIT_LIST_HEAD(&dev->mode_config.encoder_list);
926 INIT_LIST_HEAD(&dev->mode_config.property_list);
927 INIT_LIST_HEAD(&dev->mode_config.property_blob_list);
928 INIT_LIST_HEAD(&dev->mode_config.plane_list);
929 idr_init(&dev->mode_config.crtc_idr);
931 mutex_lock(&dev->mode_config.mutex);
932 drm_mode_create_standard_connector_properties(dev);
933 mutex_unlock(&dev->mode_config.mutex);
935 /* Just to be sure */
936 dev->mode_config.num_fb = 0;
937 dev->mode_config.num_connector = 0;
938 dev->mode_config.num_crtc = 0;
939 dev->mode_config.num_encoder = 0;
941 EXPORT_SYMBOL(drm_mode_config_init);
943 int drm_mode_group_init(struct drm_device *dev, struct drm_mode_group *group)
945 uint32_t total_objects = 0;
947 total_objects += dev->mode_config.num_crtc;
948 total_objects += dev->mode_config.num_connector;
949 total_objects += dev->mode_config.num_encoder;
951 group->id_list = kzalloc(total_objects * sizeof(uint32_t), GFP_KERNEL);
955 group->num_crtcs = 0;
956 group->num_connectors = 0;
957 group->num_encoders = 0;
961 int drm_mode_group_init_legacy_group(struct drm_device *dev,
962 struct drm_mode_group *group)
964 struct drm_crtc *crtc;
965 struct drm_encoder *encoder;
966 struct drm_connector *connector;
969 if ((ret = drm_mode_group_init(dev, group)))
972 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head)
973 group->id_list[group->num_crtcs++] = crtc->base.id;
975 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head)
976 group->id_list[group->num_crtcs + group->num_encoders++] =
979 list_for_each_entry(connector, &dev->mode_config.connector_list, head)
980 group->id_list[group->num_crtcs + group->num_encoders +
981 group->num_connectors++] = connector->base.id;
987 * drm_mode_config_cleanup - free up DRM mode_config info
991 * Caller must hold mode config lock.
993 * Free up all the connectors and CRTCs associated with this DRM device, then
994 * free up the framebuffers and associated buffer objects.
996 * FIXME: cleanup any dangling user buffer objects too
998 void drm_mode_config_cleanup(struct drm_device *dev)
1000 struct drm_connector *connector, *ot;
1001 struct drm_crtc *crtc, *ct;
1002 struct drm_encoder *encoder, *enct;
1003 struct drm_framebuffer *fb, *fbt;
1004 struct drm_property *property, *pt;
1005 struct drm_plane *plane, *plt;
1007 list_for_each_entry_safe(encoder, enct, &dev->mode_config.encoder_list,
1009 encoder->funcs->destroy(encoder);
1012 list_for_each_entry_safe(connector, ot,
1013 &dev->mode_config.connector_list, head) {
1014 connector->funcs->destroy(connector);
1017 list_for_each_entry_safe(property, pt, &dev->mode_config.property_list,
1019 drm_property_destroy(dev, property);
1022 list_for_each_entry_safe(fb, fbt, &dev->mode_config.fb_list, head) {
1023 fb->funcs->destroy(fb);
1026 list_for_each_entry_safe(crtc, ct, &dev->mode_config.crtc_list, head) {
1027 crtc->funcs->destroy(crtc);
1030 list_for_each_entry_safe(plane, plt, &dev->mode_config.plane_list,
1032 plane->funcs->destroy(plane);
1035 EXPORT_SYMBOL(drm_mode_config_cleanup);
1038 * drm_crtc_convert_to_umode - convert a drm_display_mode into a modeinfo
1039 * @out: drm_mode_modeinfo struct to return to the user
1040 * @in: drm_display_mode to use
1045 * Convert a drm_display_mode into a drm_mode_modeinfo structure to return to
1048 void drm_crtc_convert_to_umode(struct drm_mode_modeinfo *out,
1049 struct drm_display_mode *in)
1051 out->clock = in->clock;
1052 out->hdisplay = in->hdisplay;
1053 out->hsync_start = in->hsync_start;
1054 out->hsync_end = in->hsync_end;
1055 out->htotal = in->htotal;
1056 out->hskew = in->hskew;
1057 out->vdisplay = in->vdisplay;
1058 out->vsync_start = in->vsync_start;
1059 out->vsync_end = in->vsync_end;
1060 out->vtotal = in->vtotal;
1061 out->vscan = in->vscan;
1062 out->vrefresh = in->vrefresh;
1063 out->flags = in->flags;
1064 out->type = in->type;
1065 strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN);
1066 out->name[DRM_DISPLAY_MODE_LEN-1] = 0;
1070 * drm_crtc_convert_to_umode - convert a modeinfo into a drm_display_mode
1071 * @out: drm_display_mode to return to the user
1072 * @in: drm_mode_modeinfo to use
1077 * Convert a drm_mode_modeinfo into a drm_display_mode structure to return to
1080 void drm_crtc_convert_umode(struct drm_display_mode *out,
1081 struct drm_mode_modeinfo *in)
1083 out->clock = in->clock;
1084 out->hdisplay = in->hdisplay;
1085 out->hsync_start = in->hsync_start;
1086 out->hsync_end = in->hsync_end;
1087 out->htotal = in->htotal;
1088 out->hskew = in->hskew;
1089 out->vdisplay = in->vdisplay;
1090 out->vsync_start = in->vsync_start;
1091 out->vsync_end = in->vsync_end;
1092 out->vtotal = in->vtotal;
1093 out->vscan = in->vscan;
1094 out->vrefresh = in->vrefresh;
1095 out->flags = in->flags;
1096 out->type = in->type;
1097 strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN);
1098 out->name[DRM_DISPLAY_MODE_LEN-1] = 0;
1102 * drm_mode_getresources - get graphics configuration
1103 * @inode: inode from the ioctl
1104 * @filp: file * from the ioctl
1105 * @cmd: cmd from ioctl
1106 * @arg: arg from ioctl
1109 * Takes mode config lock.
1111 * Construct a set of configuration description structures and return
1112 * them to the user, including CRTC, connector and framebuffer configuration.
1114 * Called by the user via ioctl.
1117 * Zero on success, errno on failure.
1119 int drm_mode_getresources(struct drm_device *dev, void *data,
1120 struct drm_file *file_priv)
1122 struct drm_mode_card_res *card_res = data;
1123 struct list_head *lh;
1124 struct drm_framebuffer *fb;
1125 struct drm_connector *connector;
1126 struct drm_crtc *crtc;
1127 struct drm_encoder *encoder;
1129 int connector_count = 0;
1132 int encoder_count = 0;
1134 uint32_t __user *fb_id;
1135 uint32_t __user *crtc_id;
1136 uint32_t __user *connector_id;
1137 uint32_t __user *encoder_id;
1138 struct drm_mode_group *mode_group;
1140 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1143 mutex_lock(&dev->mode_config.mutex);
1146 * For the non-control nodes we need to limit the list of resources
1147 * by IDs in the group list for this node
1149 list_for_each(lh, &file_priv->fbs)
1152 mode_group = &file_priv->master->minor->mode_group;
1153 if (file_priv->master->minor->type == DRM_MINOR_CONTROL) {
1155 list_for_each(lh, &dev->mode_config.crtc_list)
1158 list_for_each(lh, &dev->mode_config.connector_list)
1161 list_for_each(lh, &dev->mode_config.encoder_list)
1165 crtc_count = mode_group->num_crtcs;
1166 connector_count = mode_group->num_connectors;
1167 encoder_count = mode_group->num_encoders;
1170 card_res->max_height = dev->mode_config.max_height;
1171 card_res->min_height = dev->mode_config.min_height;
1172 card_res->max_width = dev->mode_config.max_width;
1173 card_res->min_width = dev->mode_config.min_width;
1175 /* handle this in 4 parts */
1177 if (card_res->count_fbs >= fb_count) {
1179 fb_id = (uint32_t __user *)(unsigned long)card_res->fb_id_ptr;
1180 list_for_each_entry(fb, &file_priv->fbs, filp_head) {
1181 if (put_user(fb->base.id, fb_id + copied)) {
1188 card_res->count_fbs = fb_count;
1191 if (card_res->count_crtcs >= crtc_count) {
1193 crtc_id = (uint32_t __user *)(unsigned long)card_res->crtc_id_ptr;
1194 if (file_priv->master->minor->type == DRM_MINOR_CONTROL) {
1195 list_for_each_entry(crtc, &dev->mode_config.crtc_list,
1197 DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id);
1198 if (put_user(crtc->base.id, crtc_id + copied)) {
1205 for (i = 0; i < mode_group->num_crtcs; i++) {
1206 if (put_user(mode_group->id_list[i],
1207 crtc_id + copied)) {
1215 card_res->count_crtcs = crtc_count;
1218 if (card_res->count_encoders >= encoder_count) {
1220 encoder_id = (uint32_t __user *)(unsigned long)card_res->encoder_id_ptr;
1221 if (file_priv->master->minor->type == DRM_MINOR_CONTROL) {
1222 list_for_each_entry(encoder,
1223 &dev->mode_config.encoder_list,
1225 DRM_DEBUG_KMS("[ENCODER:%d:%s]\n", encoder->base.id,
1226 drm_get_encoder_name(encoder));
1227 if (put_user(encoder->base.id, encoder_id +
1235 for (i = mode_group->num_crtcs; i < mode_group->num_crtcs + mode_group->num_encoders; i++) {
1236 if (put_user(mode_group->id_list[i],
1237 encoder_id + copied)) {
1246 card_res->count_encoders = encoder_count;
1249 if (card_res->count_connectors >= connector_count) {
1251 connector_id = (uint32_t __user *)(unsigned long)card_res->connector_id_ptr;
1252 if (file_priv->master->minor->type == DRM_MINOR_CONTROL) {
1253 list_for_each_entry(connector,
1254 &dev->mode_config.connector_list,
1256 DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
1258 drm_get_connector_name(connector));
1259 if (put_user(connector->base.id,
1260 connector_id + copied)) {
1267 int start = mode_group->num_crtcs +
1268 mode_group->num_encoders;
1269 for (i = start; i < start + mode_group->num_connectors; i++) {
1270 if (put_user(mode_group->id_list[i],
1271 connector_id + copied)) {
1279 card_res->count_connectors = connector_count;
1281 DRM_DEBUG_KMS("CRTC[%d] CONNECTORS[%d] ENCODERS[%d]\n", card_res->count_crtcs,
1282 card_res->count_connectors, card_res->count_encoders);
1285 mutex_unlock(&dev->mode_config.mutex);
1290 * drm_mode_getcrtc - get CRTC configuration
1291 * @inode: inode from the ioctl
1292 * @filp: file * from the ioctl
1293 * @cmd: cmd from ioctl
1294 * @arg: arg from ioctl
1299 * Construct a CRTC configuration structure to return to the user.
1301 * Called by the user via ioctl.
1304 * Zero on success, errno on failure.
1306 int drm_mode_getcrtc(struct drm_device *dev,
1307 void *data, struct drm_file *file_priv)
1309 struct drm_mode_crtc *crtc_resp = data;
1310 struct drm_crtc *crtc;
1311 struct drm_mode_object *obj;
1314 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1317 mutex_lock(&dev->mode_config.mutex);
1319 obj = drm_mode_object_find(dev, crtc_resp->crtc_id,
1320 DRM_MODE_OBJECT_CRTC);
1325 crtc = obj_to_crtc(obj);
1327 crtc_resp->x = crtc->x;
1328 crtc_resp->y = crtc->y;
1329 crtc_resp->gamma_size = crtc->gamma_size;
1331 crtc_resp->fb_id = crtc->fb->base.id;
1333 crtc_resp->fb_id = 0;
1335 if (crtc->enabled) {
1337 drm_crtc_convert_to_umode(&crtc_resp->mode, &crtc->mode);
1338 crtc_resp->mode_valid = 1;
1341 crtc_resp->mode_valid = 0;
1345 mutex_unlock(&dev->mode_config.mutex);
1350 * drm_mode_getconnector - get connector configuration
1351 * @inode: inode from the ioctl
1352 * @filp: file * from the ioctl
1353 * @cmd: cmd from ioctl
1354 * @arg: arg from ioctl
1359 * Construct a connector configuration structure to return to the user.
1361 * Called by the user via ioctl.
1364 * Zero on success, errno on failure.
1366 int drm_mode_getconnector(struct drm_device *dev, void *data,
1367 struct drm_file *file_priv)
1369 struct drm_mode_get_connector *out_resp = data;
1370 struct drm_mode_object *obj;
1371 struct drm_connector *connector;
1372 struct drm_display_mode *mode;
1374 int props_count = 0;
1375 int encoders_count = 0;
1379 struct drm_mode_modeinfo u_mode;
1380 struct drm_mode_modeinfo __user *mode_ptr;
1381 uint32_t __user *prop_ptr;
1382 uint64_t __user *prop_values;
1383 uint32_t __user *encoder_ptr;
1385 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1388 memset(&u_mode, 0, sizeof(struct drm_mode_modeinfo));
1390 DRM_DEBUG_KMS("[CONNECTOR:%d:?]\n", out_resp->connector_id);
1392 mutex_lock(&dev->mode_config.mutex);
1394 obj = drm_mode_object_find(dev, out_resp->connector_id,
1395 DRM_MODE_OBJECT_CONNECTOR);
1400 connector = obj_to_connector(obj);
1402 for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
1403 if (connector->property_ids[i] != 0) {
1408 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1409 if (connector->encoder_ids[i] != 0) {
1414 if (out_resp->count_modes == 0) {
1415 connector->funcs->fill_modes(connector,
1416 dev->mode_config.max_width,
1417 dev->mode_config.max_height);
1420 /* delayed so we get modes regardless of pre-fill_modes state */
1421 list_for_each_entry(mode, &connector->modes, head)
1424 out_resp->connector_id = connector->base.id;
1425 out_resp->connector_type = connector->connector_type;
1426 out_resp->connector_type_id = connector->connector_type_id;
1427 out_resp->mm_width = connector->display_info.width_mm;
1428 out_resp->mm_height = connector->display_info.height_mm;
1429 out_resp->subpixel = connector->display_info.subpixel_order;
1430 out_resp->connection = connector->status;
1431 if (connector->encoder)
1432 out_resp->encoder_id = connector->encoder->base.id;
1434 out_resp->encoder_id = 0;
1437 * This ioctl is called twice, once to determine how much space is
1438 * needed, and the 2nd time to fill it.
1440 if ((out_resp->count_modes >= mode_count) && mode_count) {
1442 mode_ptr = (struct drm_mode_modeinfo *)(unsigned long)out_resp->modes_ptr;
1443 list_for_each_entry(mode, &connector->modes, head) {
1444 drm_crtc_convert_to_umode(&u_mode, mode);
1445 if (copy_to_user(mode_ptr + copied,
1446 &u_mode, sizeof(u_mode))) {
1453 out_resp->count_modes = mode_count;
1455 if ((out_resp->count_props >= props_count) && props_count) {
1457 prop_ptr = (uint32_t *)(unsigned long)(out_resp->props_ptr);
1458 prop_values = (uint64_t *)(unsigned long)(out_resp->prop_values_ptr);
1459 for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
1460 if (connector->property_ids[i] != 0) {
1461 if (put_user(connector->property_ids[i],
1462 prop_ptr + copied)) {
1467 if (put_user(connector->property_values[i],
1468 prop_values + copied)) {
1476 out_resp->count_props = props_count;
1478 if ((out_resp->count_encoders >= encoders_count) && encoders_count) {
1480 encoder_ptr = (uint32_t *)(unsigned long)(out_resp->encoders_ptr);
1481 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1482 if (connector->encoder_ids[i] != 0) {
1483 if (put_user(connector->encoder_ids[i],
1484 encoder_ptr + copied)) {
1492 out_resp->count_encoders = encoders_count;
1495 mutex_unlock(&dev->mode_config.mutex);
1499 int drm_mode_getencoder(struct drm_device *dev, void *data,
1500 struct drm_file *file_priv)
1502 struct drm_mode_get_encoder *enc_resp = data;
1503 struct drm_mode_object *obj;
1504 struct drm_encoder *encoder;
1507 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1510 mutex_lock(&dev->mode_config.mutex);
1511 obj = drm_mode_object_find(dev, enc_resp->encoder_id,
1512 DRM_MODE_OBJECT_ENCODER);
1517 encoder = obj_to_encoder(obj);
1520 enc_resp->crtc_id = encoder->crtc->base.id;
1522 enc_resp->crtc_id = 0;
1523 enc_resp->encoder_type = encoder->encoder_type;
1524 enc_resp->encoder_id = encoder->base.id;
1525 enc_resp->possible_crtcs = encoder->possible_crtcs;
1526 enc_resp->possible_clones = encoder->possible_clones;
1529 mutex_unlock(&dev->mode_config.mutex);
1534 * drm_mode_getplane_res - get plane info
1537 * @file_priv: DRM file info
1539 * Return an plane count and set of IDs.
1541 int drm_mode_getplane_res(struct drm_device *dev, void *data,
1542 struct drm_file *file_priv)
1544 struct drm_mode_get_plane_res *plane_resp = data;
1545 struct drm_mode_config *config;
1546 struct drm_plane *plane;
1547 uint32_t __user *plane_ptr;
1548 int copied = 0, ret = 0;
1550 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1553 mutex_lock(&dev->mode_config.mutex);
1554 config = &dev->mode_config;
1557 * This ioctl is called twice, once to determine how much space is
1558 * needed, and the 2nd time to fill it.
1560 if (config->num_plane &&
1561 (plane_resp->count_planes >= config->num_plane)) {
1562 plane_ptr = (uint32_t *)(unsigned long)plane_resp->plane_id_ptr;
1564 list_for_each_entry(plane, &config->plane_list, head) {
1565 if (put_user(plane->base.id, plane_ptr + copied)) {
1572 plane_resp->count_planes = config->num_plane;
1575 mutex_unlock(&dev->mode_config.mutex);
1580 * drm_mode_getplane - get plane info
1583 * @file_priv: DRM file info
1585 * Return plane info, including formats supported, gamma size, any
1588 int drm_mode_getplane(struct drm_device *dev, void *data,
1589 struct drm_file *file_priv)
1591 struct drm_mode_get_plane *plane_resp = data;
1592 struct drm_mode_object *obj;
1593 struct drm_plane *plane;
1594 uint32_t __user *format_ptr;
1597 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1600 mutex_lock(&dev->mode_config.mutex);
1601 obj = drm_mode_object_find(dev, plane_resp->plane_id,
1602 DRM_MODE_OBJECT_PLANE);
1607 plane = obj_to_plane(obj);
1610 plane_resp->crtc_id = plane->crtc->base.id;
1612 plane_resp->crtc_id = 0;
1615 plane_resp->fb_id = plane->fb->base.id;
1617 plane_resp->fb_id = 0;
1619 plane_resp->plane_id = plane->base.id;
1620 plane_resp->possible_crtcs = plane->possible_crtcs;
1621 plane_resp->gamma_size = plane->gamma_size;
1624 * This ioctl is called twice, once to determine how much space is
1625 * needed, and the 2nd time to fill it.
1627 if (plane->format_count &&
1628 (plane_resp->count_format_types >= plane->format_count)) {
1629 format_ptr = (uint32_t *)(unsigned long)plane_resp->format_type_ptr;
1630 if (copy_to_user(format_ptr,
1631 plane->format_types,
1632 sizeof(uint32_t) * plane->format_count)) {
1637 plane_resp->count_format_types = plane->format_count;
1640 mutex_unlock(&dev->mode_config.mutex);
1645 * drm_mode_setplane - set up or tear down an plane
1647 * @data: ioctl data*
1648 * @file_prive: DRM file info
1650 * Set plane info, including placement, fb, scaling, and other factors.
1651 * Or pass a NULL fb to disable.
1653 int drm_mode_setplane(struct drm_device *dev, void *data,
1654 struct drm_file *file_priv)
1656 struct drm_mode_set_plane *plane_req = data;
1657 struct drm_mode_object *obj;
1658 struct drm_plane *plane;
1659 struct drm_crtc *crtc;
1660 struct drm_framebuffer *fb;
1663 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1666 mutex_lock(&dev->mode_config.mutex);
1669 * First, find the plane, crtc, and fb objects. If not available,
1670 * we don't bother to call the driver.
1672 obj = drm_mode_object_find(dev, plane_req->plane_id,
1673 DRM_MODE_OBJECT_PLANE);
1675 DRM_DEBUG_KMS("Unknown plane ID %d\n",
1676 plane_req->plane_id);
1680 plane = obj_to_plane(obj);
1682 /* No fb means shut it down */
1683 if (!plane_req->fb_id) {
1684 plane->funcs->disable_plane(plane);
1688 obj = drm_mode_object_find(dev, plane_req->crtc_id,
1689 DRM_MODE_OBJECT_CRTC);
1691 DRM_DEBUG_KMS("Unknown crtc ID %d\n",
1692 plane_req->crtc_id);
1696 crtc = obj_to_crtc(obj);
1698 obj = drm_mode_object_find(dev, plane_req->fb_id,
1699 DRM_MODE_OBJECT_FB);
1701 DRM_DEBUG_KMS("Unknown framebuffer ID %d\n",
1706 fb = obj_to_fb(obj);
1708 ret = plane->funcs->update_plane(plane, crtc, fb,
1709 plane_req->crtc_x, plane_req->crtc_y,
1710 plane_req->crtc_w, plane_req->crtc_h,
1711 plane_req->src_x, plane_req->src_y,
1712 plane_req->src_w, plane_req->src_h);
1719 mutex_unlock(&dev->mode_config.mutex);
1725 * drm_mode_setcrtc - set CRTC configuration
1726 * @inode: inode from the ioctl
1727 * @filp: file * from the ioctl
1728 * @cmd: cmd from ioctl
1729 * @arg: arg from ioctl
1734 * Build a new CRTC configuration based on user request.
1736 * Called by the user via ioctl.
1739 * Zero on success, errno on failure.
1741 int drm_mode_setcrtc(struct drm_device *dev, void *data,
1742 struct drm_file *file_priv)
1744 struct drm_mode_config *config = &dev->mode_config;
1745 struct drm_mode_crtc *crtc_req = data;
1746 struct drm_mode_object *obj;
1747 struct drm_crtc *crtc, *crtcfb;
1748 struct drm_connector **connector_set = NULL, *connector;
1749 struct drm_framebuffer *fb = NULL;
1750 struct drm_display_mode *mode = NULL;
1751 struct drm_mode_set set;
1752 uint32_t __user *set_connectors_ptr;
1756 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1759 mutex_lock(&dev->mode_config.mutex);
1760 obj = drm_mode_object_find(dev, crtc_req->crtc_id,
1761 DRM_MODE_OBJECT_CRTC);
1763 DRM_DEBUG_KMS("Unknown CRTC ID %d\n", crtc_req->crtc_id);
1767 crtc = obj_to_crtc(obj);
1768 DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id);
1770 if (crtc_req->mode_valid) {
1771 /* If we have a mode we need a framebuffer. */
1772 /* If we pass -1, set the mode with the currently bound fb */
1773 if (crtc_req->fb_id == -1) {
1774 list_for_each_entry(crtcfb,
1775 &dev->mode_config.crtc_list, head) {
1776 if (crtcfb == crtc) {
1777 DRM_DEBUG_KMS("Using current fb for "
1783 obj = drm_mode_object_find(dev, crtc_req->fb_id,
1784 DRM_MODE_OBJECT_FB);
1786 DRM_DEBUG_KMS("Unknown FB ID%d\n",
1791 fb = obj_to_fb(obj);
1794 mode = drm_mode_create(dev);
1795 drm_crtc_convert_umode(mode, &crtc_req->mode);
1796 drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V);
1799 if (crtc_req->count_connectors == 0 && mode) {
1800 DRM_DEBUG_KMS("Count connectors is 0 but mode set\n");
1805 if (crtc_req->count_connectors > 0 && (!mode || !fb)) {
1806 DRM_DEBUG_KMS("Count connectors is %d but no mode or fb set\n",
1807 crtc_req->count_connectors);
1812 if (crtc_req->count_connectors > 0) {
1815 /* Avoid unbounded kernel memory allocation */
1816 if (crtc_req->count_connectors > config->num_connector) {
1821 connector_set = kmalloc(crtc_req->count_connectors *
1822 sizeof(struct drm_connector *),
1824 if (!connector_set) {
1829 for (i = 0; i < crtc_req->count_connectors; i++) {
1830 set_connectors_ptr = (uint32_t *)(unsigned long)crtc_req->set_connectors_ptr;
1831 if (get_user(out_id, &set_connectors_ptr[i])) {
1836 obj = drm_mode_object_find(dev, out_id,
1837 DRM_MODE_OBJECT_CONNECTOR);
1839 DRM_DEBUG_KMS("Connector id %d unknown\n",
1844 connector = obj_to_connector(obj);
1845 DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
1847 drm_get_connector_name(connector));
1849 connector_set[i] = connector;
1854 set.x = crtc_req->x;
1855 set.y = crtc_req->y;
1857 set.connectors = connector_set;
1858 set.num_connectors = crtc_req->count_connectors;
1860 ret = crtc->funcs->set_config(&set);
1863 kfree(connector_set);
1864 mutex_unlock(&dev->mode_config.mutex);
1868 int drm_mode_cursor_ioctl(struct drm_device *dev,
1869 void *data, struct drm_file *file_priv)
1871 struct drm_mode_cursor *req = data;
1872 struct drm_mode_object *obj;
1873 struct drm_crtc *crtc;
1876 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1880 DRM_ERROR("no operation set\n");
1884 mutex_lock(&dev->mode_config.mutex);
1885 obj = drm_mode_object_find(dev, req->crtc_id, DRM_MODE_OBJECT_CRTC);
1887 DRM_DEBUG_KMS("Unknown CRTC ID %d\n", req->crtc_id);
1891 crtc = obj_to_crtc(obj);
1893 if (req->flags & DRM_MODE_CURSOR_BO) {
1894 if (!crtc->funcs->cursor_set) {
1895 DRM_ERROR("crtc does not support cursor\n");
1899 /* Turns off the cursor if handle is 0 */
1900 ret = crtc->funcs->cursor_set(crtc, file_priv, req->handle,
1901 req->width, req->height);
1904 if (req->flags & DRM_MODE_CURSOR_MOVE) {
1905 if (crtc->funcs->cursor_move) {
1906 ret = crtc->funcs->cursor_move(crtc, req->x, req->y);
1908 DRM_ERROR("crtc does not support cursor\n");
1914 mutex_unlock(&dev->mode_config.mutex);
1919 * drm_mode_addfb - add an FB to the graphics configuration
1920 * @inode: inode from the ioctl
1921 * @filp: file * from the ioctl
1922 * @cmd: cmd from ioctl
1923 * @arg: arg from ioctl
1926 * Takes mode config lock.
1928 * Add a new FB to the specified CRTC, given a user request.
1930 * Called by the user via ioctl.
1933 * Zero on success, errno on failure.
1935 int drm_mode_addfb(struct drm_device *dev,
1936 void *data, struct drm_file *file_priv)
1938 struct drm_mode_fb_cmd *r = data;
1939 struct drm_mode_config *config = &dev->mode_config;
1940 struct drm_framebuffer *fb;
1943 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1946 if ((config->min_width > r->width) || (r->width > config->max_width)) {
1947 DRM_ERROR("bad framebuffer width %d, should be >= %d && <= %d\n",
1948 r->width, config->min_width, config->max_width);
1951 if ((config->min_height > r->height) || (r->height > config->max_height)) {
1952 DRM_ERROR("bad framebuffer height %d, should be >= %d && <= %d\n",
1953 r->height, config->min_height, config->max_height);
1957 mutex_lock(&dev->mode_config.mutex);
1959 /* TODO check buffer is sufficiently large */
1960 /* TODO setup destructor callback */
1962 fb = dev->mode_config.funcs->fb_create(dev, file_priv, r);
1964 DRM_ERROR("could not create framebuffer\n");
1969 r->fb_id = fb->base.id;
1970 list_add(&fb->filp_head, &file_priv->fbs);
1971 DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id);
1974 mutex_unlock(&dev->mode_config.mutex);
1979 * drm_mode_rmfb - remove an FB from the configuration
1980 * @inode: inode from the ioctl
1981 * @filp: file * from the ioctl
1982 * @cmd: cmd from ioctl
1983 * @arg: arg from ioctl
1986 * Takes mode config lock.
1988 * Remove the FB specified by the user.
1990 * Called by the user via ioctl.
1993 * Zero on success, errno on failure.
1995 int drm_mode_rmfb(struct drm_device *dev,
1996 void *data, struct drm_file *file_priv)
1998 struct drm_mode_object *obj;
1999 struct drm_framebuffer *fb = NULL;
2000 struct drm_framebuffer *fbl = NULL;
2001 uint32_t *id = data;
2005 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2008 mutex_lock(&dev->mode_config.mutex);
2009 obj = drm_mode_object_find(dev, *id, DRM_MODE_OBJECT_FB);
2010 /* TODO check that we really get a framebuffer back. */
2012 DRM_ERROR("mode invalid framebuffer id\n");
2016 fb = obj_to_fb(obj);
2018 list_for_each_entry(fbl, &file_priv->fbs, filp_head)
2023 DRM_ERROR("tried to remove a fb that we didn't own\n");
2028 /* TODO release all crtc connected to the framebuffer */
2029 /* TODO unhock the destructor from the buffer object */
2031 list_del(&fb->filp_head);
2032 fb->funcs->destroy(fb);
2035 mutex_unlock(&dev->mode_config.mutex);
2040 * drm_mode_getfb - get FB info
2041 * @inode: inode from the ioctl
2042 * @filp: file * from the ioctl
2043 * @cmd: cmd from ioctl
2044 * @arg: arg from ioctl
2049 * Lookup the FB given its ID and return info about it.
2051 * Called by the user via ioctl.
2054 * Zero on success, errno on failure.
2056 int drm_mode_getfb(struct drm_device *dev,
2057 void *data, struct drm_file *file_priv)
2059 struct drm_mode_fb_cmd *r = data;
2060 struct drm_mode_object *obj;
2061 struct drm_framebuffer *fb;
2064 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2067 mutex_lock(&dev->mode_config.mutex);
2068 obj = drm_mode_object_find(dev, r->fb_id, DRM_MODE_OBJECT_FB);
2070 DRM_ERROR("invalid framebuffer id\n");
2074 fb = obj_to_fb(obj);
2076 r->height = fb->height;
2077 r->width = fb->width;
2078 r->depth = fb->depth;
2079 r->bpp = fb->bits_per_pixel;
2080 r->pitch = fb->pitch;
2081 fb->funcs->create_handle(fb, file_priv, &r->handle);
2084 mutex_unlock(&dev->mode_config.mutex);
2088 int drm_mode_dirtyfb_ioctl(struct drm_device *dev,
2089 void *data, struct drm_file *file_priv)
2091 struct drm_clip_rect __user *clips_ptr;
2092 struct drm_clip_rect *clips = NULL;
2093 struct drm_mode_fb_dirty_cmd *r = data;
2094 struct drm_mode_object *obj;
2095 struct drm_framebuffer *fb;
2100 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2103 mutex_lock(&dev->mode_config.mutex);
2104 obj = drm_mode_object_find(dev, r->fb_id, DRM_MODE_OBJECT_FB);
2106 DRM_ERROR("invalid framebuffer id\n");
2110 fb = obj_to_fb(obj);
2112 num_clips = r->num_clips;
2113 clips_ptr = (struct drm_clip_rect *)(unsigned long)r->clips_ptr;
2115 if (!num_clips != !clips_ptr) {
2120 flags = DRM_MODE_FB_DIRTY_FLAGS & r->flags;
2122 /* If userspace annotates copy, clips must come in pairs */
2123 if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY && (num_clips % 2)) {
2128 if (num_clips && clips_ptr) {
2129 clips = kzalloc(num_clips * sizeof(*clips), GFP_KERNEL);
2135 ret = copy_from_user(clips, clips_ptr,
2136 num_clips * sizeof(*clips));
2143 if (fb->funcs->dirty) {
2144 ret = fb->funcs->dirty(fb, file_priv, flags, r->color,
2154 mutex_unlock(&dev->mode_config.mutex);
2160 * drm_fb_release - remove and free the FBs on this file
2161 * @filp: file * from the ioctl
2164 * Takes mode config lock.
2166 * Destroy all the FBs associated with @filp.
2168 * Called by the user via ioctl.
2171 * Zero on success, errno on failure.
2173 void drm_fb_release(struct drm_file *priv)
2175 struct drm_device *dev = priv->minor->dev;
2176 struct drm_framebuffer *fb, *tfb;
2178 mutex_lock(&dev->mode_config.mutex);
2179 list_for_each_entry_safe(fb, tfb, &priv->fbs, filp_head) {
2180 list_del(&fb->filp_head);
2181 fb->funcs->destroy(fb);
2183 mutex_unlock(&dev->mode_config.mutex);
2187 * drm_mode_attachmode - add a mode to the user mode list
2189 * @connector: connector to add the mode to
2190 * @mode: mode to add
2192 * Add @mode to @connector's user mode list.
2194 static int drm_mode_attachmode(struct drm_device *dev,
2195 struct drm_connector *connector,
2196 struct drm_display_mode *mode)
2200 list_add_tail(&mode->head, &connector->user_modes);
2204 int drm_mode_attachmode_crtc(struct drm_device *dev, struct drm_crtc *crtc,
2205 struct drm_display_mode *mode)
2207 struct drm_connector *connector;
2209 struct drm_display_mode *dup_mode;
2211 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
2212 if (!connector->encoder)
2214 if (connector->encoder->crtc == crtc) {
2216 dup_mode = drm_mode_duplicate(dev, mode);
2219 ret = drm_mode_attachmode(dev, connector, dup_mode);
2227 EXPORT_SYMBOL(drm_mode_attachmode_crtc);
2229 static int drm_mode_detachmode(struct drm_device *dev,
2230 struct drm_connector *connector,
2231 struct drm_display_mode *mode)
2235 struct drm_display_mode *match_mode, *t;
2237 list_for_each_entry_safe(match_mode, t, &connector->user_modes, head) {
2238 if (drm_mode_equal(match_mode, mode)) {
2239 list_del(&match_mode->head);
2240 drm_mode_destroy(dev, match_mode);
2252 int drm_mode_detachmode_crtc(struct drm_device *dev, struct drm_display_mode *mode)
2254 struct drm_connector *connector;
2256 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
2257 drm_mode_detachmode(dev, connector, mode);
2261 EXPORT_SYMBOL(drm_mode_detachmode_crtc);
2264 * drm_fb_attachmode - Attach a user mode to an connector
2265 * @inode: inode from the ioctl
2266 * @filp: file * from the ioctl
2267 * @cmd: cmd from ioctl
2268 * @arg: arg from ioctl
2270 * This attaches a user specified mode to an connector.
2271 * Called by the user via ioctl.
2274 * Zero on success, errno on failure.
2276 int drm_mode_attachmode_ioctl(struct drm_device *dev,
2277 void *data, struct drm_file *file_priv)
2279 struct drm_mode_mode_cmd *mode_cmd = data;
2280 struct drm_connector *connector;
2281 struct drm_display_mode *mode;
2282 struct drm_mode_object *obj;
2283 struct drm_mode_modeinfo *umode = &mode_cmd->mode;
2286 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2289 mutex_lock(&dev->mode_config.mutex);
2291 obj = drm_mode_object_find(dev, mode_cmd->connector_id, DRM_MODE_OBJECT_CONNECTOR);
2296 connector = obj_to_connector(obj);
2298 mode = drm_mode_create(dev);
2304 drm_crtc_convert_umode(mode, umode);
2306 ret = drm_mode_attachmode(dev, connector, mode);
2308 mutex_unlock(&dev->mode_config.mutex);
2314 * drm_fb_detachmode - Detach a user specified mode from an connector
2315 * @inode: inode from the ioctl
2316 * @filp: file * from the ioctl
2317 * @cmd: cmd from ioctl
2318 * @arg: arg from ioctl
2320 * Called by the user via ioctl.
2323 * Zero on success, errno on failure.
2325 int drm_mode_detachmode_ioctl(struct drm_device *dev,
2326 void *data, struct drm_file *file_priv)
2328 struct drm_mode_object *obj;
2329 struct drm_mode_mode_cmd *mode_cmd = data;
2330 struct drm_connector *connector;
2331 struct drm_display_mode mode;
2332 struct drm_mode_modeinfo *umode = &mode_cmd->mode;
2335 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2338 mutex_lock(&dev->mode_config.mutex);
2340 obj = drm_mode_object_find(dev, mode_cmd->connector_id, DRM_MODE_OBJECT_CONNECTOR);
2345 connector = obj_to_connector(obj);
2347 drm_crtc_convert_umode(&mode, umode);
2348 ret = drm_mode_detachmode(dev, connector, &mode);
2350 mutex_unlock(&dev->mode_config.mutex);
2354 struct drm_property *drm_property_create(struct drm_device *dev, int flags,
2355 const char *name, int num_values)
2357 struct drm_property *property = NULL;
2359 property = kzalloc(sizeof(struct drm_property), GFP_KERNEL);
2364 property->values = kzalloc(sizeof(uint64_t)*num_values, GFP_KERNEL);
2365 if (!property->values)
2369 drm_mode_object_get(dev, &property->base, DRM_MODE_OBJECT_PROPERTY);
2370 property->flags = flags;
2371 property->num_values = num_values;
2372 INIT_LIST_HEAD(&property->enum_blob_list);
2375 strncpy(property->name, name, DRM_PROP_NAME_LEN);
2377 list_add_tail(&property->head, &dev->mode_config.property_list);
2383 EXPORT_SYMBOL(drm_property_create);
2385 int drm_property_add_enum(struct drm_property *property, int index,
2386 uint64_t value, const char *name)
2388 struct drm_property_enum *prop_enum;
2390 if (!(property->flags & DRM_MODE_PROP_ENUM))
2393 if (!list_empty(&property->enum_blob_list)) {
2394 list_for_each_entry(prop_enum, &property->enum_blob_list, head) {
2395 if (prop_enum->value == value) {
2396 strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN);
2397 prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0';
2403 prop_enum = kzalloc(sizeof(struct drm_property_enum), GFP_KERNEL);
2407 strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN);
2408 prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0';
2409 prop_enum->value = value;
2411 property->values[index] = value;
2412 list_add_tail(&prop_enum->head, &property->enum_blob_list);
2415 EXPORT_SYMBOL(drm_property_add_enum);
2417 void drm_property_destroy(struct drm_device *dev, struct drm_property *property)
2419 struct drm_property_enum *prop_enum, *pt;
2421 list_for_each_entry_safe(prop_enum, pt, &property->enum_blob_list, head) {
2422 list_del(&prop_enum->head);
2426 if (property->num_values)
2427 kfree(property->values);
2428 drm_mode_object_put(dev, &property->base);
2429 list_del(&property->head);
2432 EXPORT_SYMBOL(drm_property_destroy);
2434 int drm_connector_attach_property(struct drm_connector *connector,
2435 struct drm_property *property, uint64_t init_val)
2439 for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
2440 if (connector->property_ids[i] == 0) {
2441 connector->property_ids[i] = property->base.id;
2442 connector->property_values[i] = init_val;
2447 if (i == DRM_CONNECTOR_MAX_PROPERTY)
2451 EXPORT_SYMBOL(drm_connector_attach_property);
2453 int drm_connector_property_set_value(struct drm_connector *connector,
2454 struct drm_property *property, uint64_t value)
2458 for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
2459 if (connector->property_ids[i] == property->base.id) {
2460 connector->property_values[i] = value;
2465 if (i == DRM_CONNECTOR_MAX_PROPERTY)
2469 EXPORT_SYMBOL(drm_connector_property_set_value);
2471 int drm_connector_property_get_value(struct drm_connector *connector,
2472 struct drm_property *property, uint64_t *val)
2476 for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
2477 if (connector->property_ids[i] == property->base.id) {
2478 *val = connector->property_values[i];
2483 if (i == DRM_CONNECTOR_MAX_PROPERTY)
2487 EXPORT_SYMBOL(drm_connector_property_get_value);
2489 int drm_mode_getproperty_ioctl(struct drm_device *dev,
2490 void *data, struct drm_file *file_priv)
2492 struct drm_mode_object *obj;
2493 struct drm_mode_get_property *out_resp = data;
2494 struct drm_property *property;
2497 int value_count = 0;
2500 struct drm_property_enum *prop_enum;
2501 struct drm_mode_property_enum __user *enum_ptr;
2502 struct drm_property_blob *prop_blob;
2503 uint32_t *blob_id_ptr;
2504 uint64_t __user *values_ptr;
2505 uint32_t __user *blob_length_ptr;
2507 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2510 mutex_lock(&dev->mode_config.mutex);
2511 obj = drm_mode_object_find(dev, out_resp->prop_id, DRM_MODE_OBJECT_PROPERTY);
2516 property = obj_to_property(obj);
2518 if (property->flags & DRM_MODE_PROP_ENUM) {
2519 list_for_each_entry(prop_enum, &property->enum_blob_list, head)
2521 } else if (property->flags & DRM_MODE_PROP_BLOB) {
2522 list_for_each_entry(prop_blob, &property->enum_blob_list, head)
2526 value_count = property->num_values;
2528 strncpy(out_resp->name, property->name, DRM_PROP_NAME_LEN);
2529 out_resp->name[DRM_PROP_NAME_LEN-1] = 0;
2530 out_resp->flags = property->flags;
2532 if ((out_resp->count_values >= value_count) && value_count) {
2533 values_ptr = (uint64_t *)(unsigned long)out_resp->values_ptr;
2534 for (i = 0; i < value_count; i++) {
2535 if (copy_to_user(values_ptr + i, &property->values[i], sizeof(uint64_t))) {
2541 out_resp->count_values = value_count;
2543 if (property->flags & DRM_MODE_PROP_ENUM) {
2544 if ((out_resp->count_enum_blobs >= enum_count) && enum_count) {
2546 enum_ptr = (struct drm_mode_property_enum *)(unsigned long)out_resp->enum_blob_ptr;
2547 list_for_each_entry(prop_enum, &property->enum_blob_list, head) {
2549 if (copy_to_user(&enum_ptr[copied].value, &prop_enum->value, sizeof(uint64_t))) {
2554 if (copy_to_user(&enum_ptr[copied].name,
2555 &prop_enum->name, DRM_PROP_NAME_LEN)) {
2562 out_resp->count_enum_blobs = enum_count;
2565 if (property->flags & DRM_MODE_PROP_BLOB) {
2566 if ((out_resp->count_enum_blobs >= blob_count) && blob_count) {
2568 blob_id_ptr = (uint32_t *)(unsigned long)out_resp->enum_blob_ptr;
2569 blob_length_ptr = (uint32_t *)(unsigned long)out_resp->values_ptr;
2571 list_for_each_entry(prop_blob, &property->enum_blob_list, head) {
2572 if (put_user(prop_blob->base.id, blob_id_ptr + copied)) {
2577 if (put_user(prop_blob->length, blob_length_ptr + copied)) {
2585 out_resp->count_enum_blobs = blob_count;
2588 mutex_unlock(&dev->mode_config.mutex);
2592 static struct drm_property_blob *drm_property_create_blob(struct drm_device *dev, int length,
2595 struct drm_property_blob *blob;
2597 if (!length || !data)
2600 blob = kzalloc(sizeof(struct drm_property_blob)+length, GFP_KERNEL);
2604 blob->data = (void *)((char *)blob + sizeof(struct drm_property_blob));
2605 blob->length = length;
2607 memcpy(blob->data, data, length);
2609 drm_mode_object_get(dev, &blob->base, DRM_MODE_OBJECT_BLOB);
2611 list_add_tail(&blob->head, &dev->mode_config.property_blob_list);
2615 static void drm_property_destroy_blob(struct drm_device *dev,
2616 struct drm_property_blob *blob)
2618 drm_mode_object_put(dev, &blob->base);
2619 list_del(&blob->head);
2623 int drm_mode_getblob_ioctl(struct drm_device *dev,
2624 void *data, struct drm_file *file_priv)
2626 struct drm_mode_object *obj;
2627 struct drm_mode_get_blob *out_resp = data;
2628 struct drm_property_blob *blob;
2632 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2635 mutex_lock(&dev->mode_config.mutex);
2636 obj = drm_mode_object_find(dev, out_resp->blob_id, DRM_MODE_OBJECT_BLOB);
2641 blob = obj_to_blob(obj);
2643 if (out_resp->length == blob->length) {
2644 blob_ptr = (void *)(unsigned long)out_resp->data;
2645 if (copy_to_user(blob_ptr, blob->data, blob->length)){
2650 out_resp->length = blob->length;
2653 mutex_unlock(&dev->mode_config.mutex);
2657 int drm_mode_connector_update_edid_property(struct drm_connector *connector,
2660 struct drm_device *dev = connector->dev;
2663 if (connector->edid_blob_ptr)
2664 drm_property_destroy_blob(dev, connector->edid_blob_ptr);
2666 /* Delete edid, when there is none. */
2668 connector->edid_blob_ptr = NULL;
2669 ret = drm_connector_property_set_value(connector, dev->mode_config.edid_property, 0);
2673 size = EDID_LENGTH * (1 + edid->extensions);
2674 connector->edid_blob_ptr = drm_property_create_blob(connector->dev,
2677 ret = drm_connector_property_set_value(connector,
2678 dev->mode_config.edid_property,
2679 connector->edid_blob_ptr->base.id);
2683 EXPORT_SYMBOL(drm_mode_connector_update_edid_property);
2685 int drm_mode_connector_property_set_ioctl(struct drm_device *dev,
2686 void *data, struct drm_file *file_priv)
2688 struct drm_mode_connector_set_property *out_resp = data;
2689 struct drm_mode_object *obj;
2690 struct drm_property *property;
2691 struct drm_connector *connector;
2695 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2698 mutex_lock(&dev->mode_config.mutex);
2700 obj = drm_mode_object_find(dev, out_resp->connector_id, DRM_MODE_OBJECT_CONNECTOR);
2704 connector = obj_to_connector(obj);
2706 for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
2707 if (connector->property_ids[i] == out_resp->prop_id)
2711 if (i == DRM_CONNECTOR_MAX_PROPERTY) {
2715 obj = drm_mode_object_find(dev, out_resp->prop_id, DRM_MODE_OBJECT_PROPERTY);
2719 property = obj_to_property(obj);
2721 if (property->flags & DRM_MODE_PROP_IMMUTABLE)
2724 if (property->flags & DRM_MODE_PROP_RANGE) {
2725 if (out_resp->value < property->values[0])
2728 if (out_resp->value > property->values[1])
2732 for (i = 0; i < property->num_values; i++) {
2733 if (property->values[i] == out_resp->value) {
2743 /* Do DPMS ourselves */
2744 if (property == connector->dev->mode_config.dpms_property) {
2745 if (connector->funcs->dpms)
2746 (*connector->funcs->dpms)(connector, (int) out_resp->value);
2748 } else if (connector->funcs->set_property)
2749 ret = connector->funcs->set_property(connector, property, out_resp->value);
2751 /* store the property value if successful */
2753 drm_connector_property_set_value(connector, property, out_resp->value);
2755 mutex_unlock(&dev->mode_config.mutex);
2759 int drm_mode_connector_attach_encoder(struct drm_connector *connector,
2760 struct drm_encoder *encoder)
2764 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
2765 if (connector->encoder_ids[i] == 0) {
2766 connector->encoder_ids[i] = encoder->base.id;
2772 EXPORT_SYMBOL(drm_mode_connector_attach_encoder);
2774 void drm_mode_connector_detach_encoder(struct drm_connector *connector,
2775 struct drm_encoder *encoder)
2778 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
2779 if (connector->encoder_ids[i] == encoder->base.id) {
2780 connector->encoder_ids[i] = 0;
2781 if (connector->encoder == encoder)
2782 connector->encoder = NULL;
2787 EXPORT_SYMBOL(drm_mode_connector_detach_encoder);
2789 bool drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc,
2792 crtc->gamma_size = gamma_size;
2794 crtc->gamma_store = kzalloc(gamma_size * sizeof(uint16_t) * 3, GFP_KERNEL);
2795 if (!crtc->gamma_store) {
2796 crtc->gamma_size = 0;
2802 EXPORT_SYMBOL(drm_mode_crtc_set_gamma_size);
2804 int drm_mode_gamma_set_ioctl(struct drm_device *dev,
2805 void *data, struct drm_file *file_priv)
2807 struct drm_mode_crtc_lut *crtc_lut = data;
2808 struct drm_mode_object *obj;
2809 struct drm_crtc *crtc;
2810 void *r_base, *g_base, *b_base;
2814 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2817 mutex_lock(&dev->mode_config.mutex);
2818 obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC);
2823 crtc = obj_to_crtc(obj);
2825 /* memcpy into gamma store */
2826 if (crtc_lut->gamma_size != crtc->gamma_size) {
2831 size = crtc_lut->gamma_size * (sizeof(uint16_t));
2832 r_base = crtc->gamma_store;
2833 if (copy_from_user(r_base, (void __user *)(unsigned long)crtc_lut->red, size)) {
2838 g_base = r_base + size;
2839 if (copy_from_user(g_base, (void __user *)(unsigned long)crtc_lut->green, size)) {
2844 b_base = g_base + size;
2845 if (copy_from_user(b_base, (void __user *)(unsigned long)crtc_lut->blue, size)) {
2850 crtc->funcs->gamma_set(crtc, r_base, g_base, b_base, 0, crtc->gamma_size);
2853 mutex_unlock(&dev->mode_config.mutex);
2858 int drm_mode_gamma_get_ioctl(struct drm_device *dev,
2859 void *data, struct drm_file *file_priv)
2861 struct drm_mode_crtc_lut *crtc_lut = data;
2862 struct drm_mode_object *obj;
2863 struct drm_crtc *crtc;
2864 void *r_base, *g_base, *b_base;
2868 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2871 mutex_lock(&dev->mode_config.mutex);
2872 obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC);
2877 crtc = obj_to_crtc(obj);
2879 /* memcpy into gamma store */
2880 if (crtc_lut->gamma_size != crtc->gamma_size) {
2885 size = crtc_lut->gamma_size * (sizeof(uint16_t));
2886 r_base = crtc->gamma_store;
2887 if (copy_to_user((void __user *)(unsigned long)crtc_lut->red, r_base, size)) {
2892 g_base = r_base + size;
2893 if (copy_to_user((void __user *)(unsigned long)crtc_lut->green, g_base, size)) {
2898 b_base = g_base + size;
2899 if (copy_to_user((void __user *)(unsigned long)crtc_lut->blue, b_base, size)) {
2904 mutex_unlock(&dev->mode_config.mutex);
2908 int drm_mode_page_flip_ioctl(struct drm_device *dev,
2909 void *data, struct drm_file *file_priv)
2911 struct drm_mode_crtc_page_flip *page_flip = data;
2912 struct drm_mode_object *obj;
2913 struct drm_crtc *crtc;
2914 struct drm_framebuffer *fb;
2915 struct drm_pending_vblank_event *e = NULL;
2916 unsigned long flags;
2919 if (page_flip->flags & ~DRM_MODE_PAGE_FLIP_FLAGS ||
2920 page_flip->reserved != 0)
2923 mutex_lock(&dev->mode_config.mutex);
2924 obj = drm_mode_object_find(dev, page_flip->crtc_id, DRM_MODE_OBJECT_CRTC);
2927 crtc = obj_to_crtc(obj);
2929 if (crtc->fb == NULL) {
2930 /* The framebuffer is currently unbound, presumably
2931 * due to a hotplug event, that userspace has not
2938 if (crtc->funcs->page_flip == NULL)
2941 obj = drm_mode_object_find(dev, page_flip->fb_id, DRM_MODE_OBJECT_FB);
2944 fb = obj_to_fb(obj);
2946 if (page_flip->flags & DRM_MODE_PAGE_FLIP_EVENT) {
2948 spin_lock_irqsave(&dev->event_lock, flags);
2949 if (file_priv->event_space < sizeof e->event) {
2950 spin_unlock_irqrestore(&dev->event_lock, flags);
2953 file_priv->event_space -= sizeof e->event;
2954 spin_unlock_irqrestore(&dev->event_lock, flags);
2956 e = kzalloc(sizeof *e, GFP_KERNEL);
2958 spin_lock_irqsave(&dev->event_lock, flags);
2959 file_priv->event_space += sizeof e->event;
2960 spin_unlock_irqrestore(&dev->event_lock, flags);
2964 e->event.base.type = DRM_EVENT_FLIP_COMPLETE;
2965 e->event.base.length = sizeof e->event;
2966 e->event.user_data = page_flip->user_data;
2967 e->base.event = &e->event.base;
2968 e->base.file_priv = file_priv;
2970 (void (*) (struct drm_pending_event *)) kfree;
2973 ret = crtc->funcs->page_flip(crtc, fb, e);
2975 spin_lock_irqsave(&dev->event_lock, flags);
2976 file_priv->event_space += sizeof e->event;
2977 spin_unlock_irqrestore(&dev->event_lock, flags);
2982 mutex_unlock(&dev->mode_config.mutex);
2986 void drm_mode_config_reset(struct drm_device *dev)
2988 struct drm_crtc *crtc;
2989 struct drm_encoder *encoder;
2990 struct drm_connector *connector;
2992 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head)
2993 if (crtc->funcs->reset)
2994 crtc->funcs->reset(crtc);
2996 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head)
2997 if (encoder->funcs->reset)
2998 encoder->funcs->reset(encoder);
3000 list_for_each_entry(connector, &dev->mode_config.connector_list, head)
3001 if (connector->funcs->reset)
3002 connector->funcs->reset(connector);
3004 EXPORT_SYMBOL(drm_mode_config_reset);
3006 int drm_mode_create_dumb_ioctl(struct drm_device *dev,
3007 void *data, struct drm_file *file_priv)
3009 struct drm_mode_create_dumb *args = data;
3011 if (!dev->driver->dumb_create)
3013 return dev->driver->dumb_create(file_priv, dev, args);
3016 int drm_mode_mmap_dumb_ioctl(struct drm_device *dev,
3017 void *data, struct drm_file *file_priv)
3019 struct drm_mode_map_dumb *args = data;
3021 /* call driver ioctl to get mmap offset */
3022 if (!dev->driver->dumb_map_offset)
3025 return dev->driver->dumb_map_offset(file_priv, dev, args->handle, &args->offset);
3028 int drm_mode_destroy_dumb_ioctl(struct drm_device *dev,
3029 void *data, struct drm_file *file_priv)
3031 struct drm_mode_destroy_dumb *args = data;
3033 if (!dev->driver->dumb_destroy)
3036 return dev->driver->dumb_destroy(file_priv, dev, args->handle);