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>
39 struct drm_prop_enum_list {
44 /* Avoid boilerplate. I'm tired of typing. */
45 #define DRM_ENUM_NAME_FN(fnname, list) \
46 char *fnname(int val) \
49 for (i = 0; i < ARRAY_SIZE(list); i++) { \
50 if (list[i].type == val) \
51 return list[i].name; \
59 static struct drm_prop_enum_list drm_dpms_enum_list[] =
60 { { DRM_MODE_DPMS_ON, "On" },
61 { DRM_MODE_DPMS_STANDBY, "Standby" },
62 { DRM_MODE_DPMS_SUSPEND, "Suspend" },
63 { DRM_MODE_DPMS_OFF, "Off" }
66 DRM_ENUM_NAME_FN(drm_get_dpms_name, drm_dpms_enum_list)
71 static struct drm_prop_enum_list drm_scaling_mode_enum_list[] =
73 { DRM_MODE_SCALE_NONE, "None" },
74 { DRM_MODE_SCALE_FULLSCREEN, "Full" },
75 { DRM_MODE_SCALE_CENTER, "Center" },
76 { DRM_MODE_SCALE_ASPECT, "Full aspect" },
79 static struct drm_prop_enum_list drm_dithering_mode_enum_list[] =
81 { DRM_MODE_DITHERING_OFF, "Off" },
82 { DRM_MODE_DITHERING_ON, "On" },
86 * Non-global properties, but "required" for certain connectors.
88 static struct drm_prop_enum_list drm_dvi_i_select_enum_list[] =
90 { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */
91 { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */
92 { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */
95 DRM_ENUM_NAME_FN(drm_get_dvi_i_select_name, drm_dvi_i_select_enum_list)
97 static struct drm_prop_enum_list drm_dvi_i_subconnector_enum_list[] =
99 { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */
100 { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */
101 { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */
104 DRM_ENUM_NAME_FN(drm_get_dvi_i_subconnector_name,
105 drm_dvi_i_subconnector_enum_list)
107 static struct drm_prop_enum_list drm_tv_select_enum_list[] =
109 { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */
110 { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */
111 { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */
112 { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */
113 { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */
116 DRM_ENUM_NAME_FN(drm_get_tv_select_name, drm_tv_select_enum_list)
118 static struct drm_prop_enum_list drm_tv_subconnector_enum_list[] =
120 { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */
121 { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */
122 { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */
123 { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */
124 { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */
127 DRM_ENUM_NAME_FN(drm_get_tv_subconnector_name,
128 drm_tv_subconnector_enum_list)
130 static struct drm_prop_enum_list drm_dirty_info_enum_list[] = {
131 { DRM_MODE_DIRTY_OFF, "Off" },
132 { DRM_MODE_DIRTY_ON, "On" },
133 { DRM_MODE_DIRTY_ANNOTATE, "Annotate" },
136 DRM_ENUM_NAME_FN(drm_get_dirty_info_name,
137 drm_dirty_info_enum_list)
139 struct drm_conn_prop_enum_list {
146 * Connector and encoder types.
148 static struct drm_conn_prop_enum_list drm_connector_enum_list[] =
149 { { DRM_MODE_CONNECTOR_Unknown, "Unknown", 0 },
150 { DRM_MODE_CONNECTOR_VGA, "VGA", 0 },
151 { DRM_MODE_CONNECTOR_DVII, "DVI-I", 0 },
152 { DRM_MODE_CONNECTOR_DVID, "DVI-D", 0 },
153 { DRM_MODE_CONNECTOR_DVIA, "DVI-A", 0 },
154 { DRM_MODE_CONNECTOR_Composite, "Composite", 0 },
155 { DRM_MODE_CONNECTOR_SVIDEO, "SVIDEO", 0 },
156 { DRM_MODE_CONNECTOR_LVDS, "LVDS", 0 },
157 { DRM_MODE_CONNECTOR_Component, "Component", 0 },
158 { DRM_MODE_CONNECTOR_9PinDIN, "9-pin DIN", 0 },
159 { DRM_MODE_CONNECTOR_DisplayPort, "DisplayPort", 0 },
160 { DRM_MODE_CONNECTOR_HDMIA, "HDMI Type A", 0 },
161 { DRM_MODE_CONNECTOR_HDMIB, "HDMI Type B", 0 },
162 { DRM_MODE_CONNECTOR_TV, "TV", 0 },
163 { DRM_MODE_CONNECTOR_eDP, "Embedded DisplayPort", 0 },
166 static struct drm_prop_enum_list drm_encoder_enum_list[] =
167 { { DRM_MODE_ENCODER_NONE, "None" },
168 { DRM_MODE_ENCODER_DAC, "DAC" },
169 { DRM_MODE_ENCODER_TMDS, "TMDS" },
170 { DRM_MODE_ENCODER_LVDS, "LVDS" },
171 { DRM_MODE_ENCODER_TVDAC, "TV" },
174 char *drm_get_encoder_name(struct drm_encoder *encoder)
178 snprintf(buf, 32, "%s-%d",
179 drm_encoder_enum_list[encoder->encoder_type].name,
183 EXPORT_SYMBOL(drm_get_encoder_name);
185 char *drm_get_connector_name(struct drm_connector *connector)
189 snprintf(buf, 32, "%s-%d",
190 drm_connector_enum_list[connector->connector_type].name,
191 connector->connector_type_id);
194 EXPORT_SYMBOL(drm_get_connector_name);
196 char *drm_get_connector_status_name(enum drm_connector_status status)
198 if (status == connector_status_connected)
200 else if (status == connector_status_disconnected)
201 return "disconnected";
207 * drm_mode_object_get - allocate a new identifier
209 * @ptr: object pointer, used to generate unique ID
214 * Create a unique identifier based on @ptr in @dev's identifier space. Used
215 * for tracking modes, CRTCs and connectors.
218 * New unique (relative to other objects in @dev) integer identifier for the
221 static int drm_mode_object_get(struct drm_device *dev,
222 struct drm_mode_object *obj, uint32_t obj_type)
228 if (idr_pre_get(&dev->mode_config.crtc_idr, GFP_KERNEL) == 0) {
229 DRM_ERROR("Ran out memory getting a mode number\n");
233 mutex_lock(&dev->mode_config.idr_mutex);
234 ret = idr_get_new_above(&dev->mode_config.crtc_idr, obj, 1, &new_id);
235 mutex_unlock(&dev->mode_config.idr_mutex);
240 obj->type = obj_type;
245 * drm_mode_object_put - free an identifer
250 * Caller must hold DRM mode_config lock.
252 * Free @id from @dev's unique identifier pool.
254 static void drm_mode_object_put(struct drm_device *dev,
255 struct drm_mode_object *object)
257 mutex_lock(&dev->mode_config.idr_mutex);
258 idr_remove(&dev->mode_config.crtc_idr, object->id);
259 mutex_unlock(&dev->mode_config.idr_mutex);
262 struct drm_mode_object *drm_mode_object_find(struct drm_device *dev,
263 uint32_t id, uint32_t type)
265 struct drm_mode_object *obj = NULL;
267 mutex_lock(&dev->mode_config.idr_mutex);
268 obj = idr_find(&dev->mode_config.crtc_idr, id);
269 if (!obj || (obj->type != type) || (obj->id != id))
271 mutex_unlock(&dev->mode_config.idr_mutex);
275 EXPORT_SYMBOL(drm_mode_object_find);
278 * drm_framebuffer_init - initialize a framebuffer
282 * Caller must hold mode config lock.
284 * Allocates an ID for the framebuffer's parent mode object, sets its mode
285 * functions & device file and adds it to the master fd list.
288 * Zero on success, error code on failure.
290 int drm_framebuffer_init(struct drm_device *dev, struct drm_framebuffer *fb,
291 const struct drm_framebuffer_funcs *funcs)
295 ret = drm_mode_object_get(dev, &fb->base, DRM_MODE_OBJECT_FB);
302 dev->mode_config.num_fb++;
303 list_add(&fb->head, &dev->mode_config.fb_list);
307 EXPORT_SYMBOL(drm_framebuffer_init);
310 * drm_framebuffer_cleanup - remove a framebuffer object
311 * @fb: framebuffer to remove
314 * Caller must hold mode config lock.
316 * Scans all the CRTCs in @dev's mode_config. If they're using @fb, removes
317 * it, setting it to NULL.
319 void drm_framebuffer_cleanup(struct drm_framebuffer *fb)
321 struct drm_device *dev = fb->dev;
322 struct drm_crtc *crtc;
323 struct drm_mode_set set;
326 /* remove from any CRTC */
327 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
328 if (crtc->fb == fb) {
329 /* should turn off the crtc */
330 memset(&set, 0, sizeof(struct drm_mode_set));
333 ret = crtc->funcs->set_config(&set);
335 DRM_ERROR("failed to reset crtc %p when fb was deleted\n", crtc);
339 drm_mode_object_put(dev, &fb->base);
341 dev->mode_config.num_fb--;
343 EXPORT_SYMBOL(drm_framebuffer_cleanup);
346 * drm_crtc_init - Initialise a new CRTC object
348 * @crtc: CRTC object to init
349 * @funcs: callbacks for the new CRTC
352 * Caller must hold mode config lock.
354 * Inits a new object created as base part of an driver crtc object.
356 void drm_crtc_init(struct drm_device *dev, struct drm_crtc *crtc,
357 const struct drm_crtc_funcs *funcs)
362 mutex_lock(&dev->mode_config.mutex);
363 drm_mode_object_get(dev, &crtc->base, DRM_MODE_OBJECT_CRTC);
365 list_add_tail(&crtc->head, &dev->mode_config.crtc_list);
366 dev->mode_config.num_crtc++;
367 mutex_unlock(&dev->mode_config.mutex);
369 EXPORT_SYMBOL(drm_crtc_init);
372 * drm_crtc_cleanup - Cleans up the core crtc usage.
373 * @crtc: CRTC to cleanup
376 * Caller must hold mode config lock.
378 * Cleanup @crtc. Removes from drm modesetting space
379 * does NOT free object, caller does that.
381 void drm_crtc_cleanup(struct drm_crtc *crtc)
383 struct drm_device *dev = crtc->dev;
385 if (crtc->gamma_store) {
386 kfree(crtc->gamma_store);
387 crtc->gamma_store = NULL;
390 drm_mode_object_put(dev, &crtc->base);
391 list_del(&crtc->head);
392 dev->mode_config.num_crtc--;
394 EXPORT_SYMBOL(drm_crtc_cleanup);
397 * drm_mode_probed_add - add a mode to a connector's probed mode list
398 * @connector: connector the new mode
402 * Caller must hold mode config lock.
404 * Add @mode to @connector's mode list for later use.
406 void drm_mode_probed_add(struct drm_connector *connector,
407 struct drm_display_mode *mode)
409 list_add(&mode->head, &connector->probed_modes);
411 EXPORT_SYMBOL(drm_mode_probed_add);
414 * drm_mode_remove - remove and free a mode
415 * @connector: connector list to modify
416 * @mode: mode to remove
419 * Caller must hold mode config lock.
421 * Remove @mode from @connector's mode list, then free it.
423 void drm_mode_remove(struct drm_connector *connector,
424 struct drm_display_mode *mode)
426 list_del(&mode->head);
429 EXPORT_SYMBOL(drm_mode_remove);
432 * drm_connector_init - Init a preallocated connector
434 * @connector: the connector to init
435 * @funcs: callbacks for this connector
436 * @name: user visible name of the connector
439 * Caller must hold @dev's mode_config lock.
441 * Initialises a preallocated connector. Connectors should be
442 * subclassed as part of driver connector objects.
444 void drm_connector_init(struct drm_device *dev,
445 struct drm_connector *connector,
446 const struct drm_connector_funcs *funcs,
449 mutex_lock(&dev->mode_config.mutex);
451 connector->dev = dev;
452 connector->funcs = funcs;
453 drm_mode_object_get(dev, &connector->base, DRM_MODE_OBJECT_CONNECTOR);
454 connector->connector_type = connector_type;
455 connector->connector_type_id =
456 ++drm_connector_enum_list[connector_type].count; /* TODO */
457 INIT_LIST_HEAD(&connector->user_modes);
458 INIT_LIST_HEAD(&connector->probed_modes);
459 INIT_LIST_HEAD(&connector->modes);
460 connector->edid_blob_ptr = NULL;
462 list_add_tail(&connector->head, &dev->mode_config.connector_list);
463 dev->mode_config.num_connector++;
465 drm_connector_attach_property(connector,
466 dev->mode_config.edid_property, 0);
468 drm_connector_attach_property(connector,
469 dev->mode_config.dpms_property, 0);
471 mutex_unlock(&dev->mode_config.mutex);
473 EXPORT_SYMBOL(drm_connector_init);
476 * drm_connector_cleanup - cleans up an initialised connector
477 * @connector: connector to cleanup
480 * Caller must hold @dev's mode_config lock.
482 * Cleans up the connector but doesn't free the object.
484 void drm_connector_cleanup(struct drm_connector *connector)
486 struct drm_device *dev = connector->dev;
487 struct drm_display_mode *mode, *t;
489 list_for_each_entry_safe(mode, t, &connector->probed_modes, head)
490 drm_mode_remove(connector, mode);
492 list_for_each_entry_safe(mode, t, &connector->modes, head)
493 drm_mode_remove(connector, mode);
495 list_for_each_entry_safe(mode, t, &connector->user_modes, head)
496 drm_mode_remove(connector, mode);
498 kfree(connector->fb_helper_private);
499 mutex_lock(&dev->mode_config.mutex);
500 drm_mode_object_put(dev, &connector->base);
501 list_del(&connector->head);
502 mutex_unlock(&dev->mode_config.mutex);
504 EXPORT_SYMBOL(drm_connector_cleanup);
506 void drm_encoder_init(struct drm_device *dev,
507 struct drm_encoder *encoder,
508 const struct drm_encoder_funcs *funcs,
511 mutex_lock(&dev->mode_config.mutex);
515 drm_mode_object_get(dev, &encoder->base, DRM_MODE_OBJECT_ENCODER);
516 encoder->encoder_type = encoder_type;
517 encoder->funcs = funcs;
519 list_add_tail(&encoder->head, &dev->mode_config.encoder_list);
520 dev->mode_config.num_encoder++;
522 mutex_unlock(&dev->mode_config.mutex);
524 EXPORT_SYMBOL(drm_encoder_init);
526 void drm_encoder_cleanup(struct drm_encoder *encoder)
528 struct drm_device *dev = encoder->dev;
529 mutex_lock(&dev->mode_config.mutex);
530 drm_mode_object_put(dev, &encoder->base);
531 list_del(&encoder->head);
532 mutex_unlock(&dev->mode_config.mutex);
534 EXPORT_SYMBOL(drm_encoder_cleanup);
537 * drm_mode_create - create a new display mode
541 * Caller must hold DRM mode_config lock.
543 * Create a new drm_display_mode, give it an ID, and return it.
546 * Pointer to new mode on success, NULL on error.
548 struct drm_display_mode *drm_mode_create(struct drm_device *dev)
550 struct drm_display_mode *nmode;
552 nmode = kzalloc(sizeof(struct drm_display_mode), GFP_KERNEL);
556 drm_mode_object_get(dev, &nmode->base, DRM_MODE_OBJECT_MODE);
559 EXPORT_SYMBOL(drm_mode_create);
562 * drm_mode_destroy - remove a mode
564 * @mode: mode to remove
567 * Caller must hold mode config lock.
569 * Free @mode's unique identifier, then free it.
571 void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode)
573 drm_mode_object_put(dev, &mode->base);
577 EXPORT_SYMBOL(drm_mode_destroy);
579 static int drm_mode_create_standard_connector_properties(struct drm_device *dev)
581 struct drm_property *edid;
582 struct drm_property *dpms;
586 * Standard properties (apply to all connectors)
588 edid = drm_property_create(dev, DRM_MODE_PROP_BLOB |
589 DRM_MODE_PROP_IMMUTABLE,
591 dev->mode_config.edid_property = edid;
593 dpms = drm_property_create(dev, DRM_MODE_PROP_ENUM,
594 "DPMS", ARRAY_SIZE(drm_dpms_enum_list));
595 for (i = 0; i < ARRAY_SIZE(drm_dpms_enum_list); i++)
596 drm_property_add_enum(dpms, i, drm_dpms_enum_list[i].type,
597 drm_dpms_enum_list[i].name);
598 dev->mode_config.dpms_property = dpms;
604 * drm_mode_create_dvi_i_properties - create DVI-I specific connector properties
607 * Called by a driver the first time a DVI-I connector is made.
609 int drm_mode_create_dvi_i_properties(struct drm_device *dev)
611 struct drm_property *dvi_i_selector;
612 struct drm_property *dvi_i_subconnector;
615 if (dev->mode_config.dvi_i_select_subconnector_property)
619 drm_property_create(dev, DRM_MODE_PROP_ENUM,
620 "select subconnector",
621 ARRAY_SIZE(drm_dvi_i_select_enum_list));
622 for (i = 0; i < ARRAY_SIZE(drm_dvi_i_select_enum_list); i++)
623 drm_property_add_enum(dvi_i_selector, i,
624 drm_dvi_i_select_enum_list[i].type,
625 drm_dvi_i_select_enum_list[i].name);
626 dev->mode_config.dvi_i_select_subconnector_property = dvi_i_selector;
629 drm_property_create(dev, DRM_MODE_PROP_ENUM |
630 DRM_MODE_PROP_IMMUTABLE,
632 ARRAY_SIZE(drm_dvi_i_subconnector_enum_list));
633 for (i = 0; i < ARRAY_SIZE(drm_dvi_i_subconnector_enum_list); i++)
634 drm_property_add_enum(dvi_i_subconnector, i,
635 drm_dvi_i_subconnector_enum_list[i].type,
636 drm_dvi_i_subconnector_enum_list[i].name);
637 dev->mode_config.dvi_i_subconnector_property = dvi_i_subconnector;
641 EXPORT_SYMBOL(drm_mode_create_dvi_i_properties);
644 * drm_create_tv_properties - create TV specific connector properties
646 * @num_modes: number of different TV formats (modes) supported
647 * @modes: array of pointers to strings containing name of each format
649 * Called by a driver's TV initialization routine, this function creates
650 * the TV specific connector properties for a given device. Caller is
651 * responsible for allocating a list of format names and passing them to
654 int drm_mode_create_tv_properties(struct drm_device *dev, int num_modes,
657 struct drm_property *tv_selector;
658 struct drm_property *tv_subconnector;
661 if (dev->mode_config.tv_select_subconnector_property)
665 * Basic connector properties
667 tv_selector = drm_property_create(dev, DRM_MODE_PROP_ENUM,
668 "select subconnector",
669 ARRAY_SIZE(drm_tv_select_enum_list));
670 for (i = 0; i < ARRAY_SIZE(drm_tv_select_enum_list); i++)
671 drm_property_add_enum(tv_selector, i,
672 drm_tv_select_enum_list[i].type,
673 drm_tv_select_enum_list[i].name);
674 dev->mode_config.tv_select_subconnector_property = tv_selector;
677 drm_property_create(dev, DRM_MODE_PROP_ENUM |
678 DRM_MODE_PROP_IMMUTABLE, "subconnector",
679 ARRAY_SIZE(drm_tv_subconnector_enum_list));
680 for (i = 0; i < ARRAY_SIZE(drm_tv_subconnector_enum_list); i++)
681 drm_property_add_enum(tv_subconnector, i,
682 drm_tv_subconnector_enum_list[i].type,
683 drm_tv_subconnector_enum_list[i].name);
684 dev->mode_config.tv_subconnector_property = tv_subconnector;
687 * Other, TV specific properties: margins & TV modes.
689 dev->mode_config.tv_left_margin_property =
690 drm_property_create(dev, DRM_MODE_PROP_RANGE,
692 dev->mode_config.tv_left_margin_property->values[0] = 0;
693 dev->mode_config.tv_left_margin_property->values[1] = 100;
695 dev->mode_config.tv_right_margin_property =
696 drm_property_create(dev, DRM_MODE_PROP_RANGE,
698 dev->mode_config.tv_right_margin_property->values[0] = 0;
699 dev->mode_config.tv_right_margin_property->values[1] = 100;
701 dev->mode_config.tv_top_margin_property =
702 drm_property_create(dev, DRM_MODE_PROP_RANGE,
704 dev->mode_config.tv_top_margin_property->values[0] = 0;
705 dev->mode_config.tv_top_margin_property->values[1] = 100;
707 dev->mode_config.tv_bottom_margin_property =
708 drm_property_create(dev, DRM_MODE_PROP_RANGE,
710 dev->mode_config.tv_bottom_margin_property->values[0] = 0;
711 dev->mode_config.tv_bottom_margin_property->values[1] = 100;
713 dev->mode_config.tv_mode_property =
714 drm_property_create(dev, DRM_MODE_PROP_ENUM,
716 for (i = 0; i < num_modes; i++)
717 drm_property_add_enum(dev->mode_config.tv_mode_property, i,
720 dev->mode_config.tv_brightness_property =
721 drm_property_create(dev, DRM_MODE_PROP_RANGE,
723 dev->mode_config.tv_brightness_property->values[0] = 0;
724 dev->mode_config.tv_brightness_property->values[1] = 100;
726 dev->mode_config.tv_contrast_property =
727 drm_property_create(dev, DRM_MODE_PROP_RANGE,
729 dev->mode_config.tv_contrast_property->values[0] = 0;
730 dev->mode_config.tv_contrast_property->values[1] = 100;
732 dev->mode_config.tv_flicker_reduction_property =
733 drm_property_create(dev, DRM_MODE_PROP_RANGE,
734 "flicker reduction", 2);
735 dev->mode_config.tv_flicker_reduction_property->values[0] = 0;
736 dev->mode_config.tv_flicker_reduction_property->values[1] = 100;
738 dev->mode_config.tv_overscan_property =
739 drm_property_create(dev, DRM_MODE_PROP_RANGE,
741 dev->mode_config.tv_overscan_property->values[0] = 0;
742 dev->mode_config.tv_overscan_property->values[1] = 100;
744 dev->mode_config.tv_saturation_property =
745 drm_property_create(dev, DRM_MODE_PROP_RANGE,
747 dev->mode_config.tv_saturation_property->values[0] = 0;
748 dev->mode_config.tv_saturation_property->values[1] = 100;
750 dev->mode_config.tv_hue_property =
751 drm_property_create(dev, DRM_MODE_PROP_RANGE,
753 dev->mode_config.tv_hue_property->values[0] = 0;
754 dev->mode_config.tv_hue_property->values[1] = 100;
758 EXPORT_SYMBOL(drm_mode_create_tv_properties);
761 * drm_mode_create_scaling_mode_property - create scaling mode property
764 * Called by a driver the first time it's needed, must be attached to desired
767 int drm_mode_create_scaling_mode_property(struct drm_device *dev)
769 struct drm_property *scaling_mode;
772 if (dev->mode_config.scaling_mode_property)
776 drm_property_create(dev, DRM_MODE_PROP_ENUM, "scaling mode",
777 ARRAY_SIZE(drm_scaling_mode_enum_list));
778 for (i = 0; i < ARRAY_SIZE(drm_scaling_mode_enum_list); i++)
779 drm_property_add_enum(scaling_mode, i,
780 drm_scaling_mode_enum_list[i].type,
781 drm_scaling_mode_enum_list[i].name);
783 dev->mode_config.scaling_mode_property = scaling_mode;
787 EXPORT_SYMBOL(drm_mode_create_scaling_mode_property);
790 * drm_mode_create_dithering_property - create dithering property
793 * Called by a driver the first time it's needed, must be attached to desired
796 int drm_mode_create_dithering_property(struct drm_device *dev)
798 struct drm_property *dithering_mode;
801 if (dev->mode_config.dithering_mode_property)
805 drm_property_create(dev, DRM_MODE_PROP_ENUM, "dithering",
806 ARRAY_SIZE(drm_dithering_mode_enum_list));
807 for (i = 0; i < ARRAY_SIZE(drm_dithering_mode_enum_list); i++)
808 drm_property_add_enum(dithering_mode, i,
809 drm_dithering_mode_enum_list[i].type,
810 drm_dithering_mode_enum_list[i].name);
811 dev->mode_config.dithering_mode_property = dithering_mode;
815 EXPORT_SYMBOL(drm_mode_create_dithering_property);
818 * drm_mode_create_dirty_property - create dirty property
821 * Called by a driver the first time it's needed, must be attached to desired
824 int drm_mode_create_dirty_info_property(struct drm_device *dev)
826 struct drm_property *dirty_info;
829 if (dev->mode_config.dirty_info_property)
833 drm_property_create(dev, DRM_MODE_PROP_ENUM |
834 DRM_MODE_PROP_IMMUTABLE,
836 ARRAY_SIZE(drm_dirty_info_enum_list));
837 for (i = 0; i < ARRAY_SIZE(drm_dirty_info_enum_list); i++)
838 drm_property_add_enum(dirty_info, i,
839 drm_dirty_info_enum_list[i].type,
840 drm_dirty_info_enum_list[i].name);
841 dev->mode_config.dirty_info_property = dirty_info;
845 EXPORT_SYMBOL(drm_mode_create_dirty_info_property);
848 * drm_mode_config_init - initialize DRM mode_configuration structure
852 * None, should happen single threaded at init time.
854 * Initialize @dev's mode_config structure, used for tracking the graphics
855 * configuration of @dev.
857 void drm_mode_config_init(struct drm_device *dev)
859 mutex_init(&dev->mode_config.mutex);
860 mutex_init(&dev->mode_config.idr_mutex);
861 INIT_LIST_HEAD(&dev->mode_config.fb_list);
862 INIT_LIST_HEAD(&dev->mode_config.fb_kernel_list);
863 INIT_LIST_HEAD(&dev->mode_config.crtc_list);
864 INIT_LIST_HEAD(&dev->mode_config.connector_list);
865 INIT_LIST_HEAD(&dev->mode_config.encoder_list);
866 INIT_LIST_HEAD(&dev->mode_config.property_list);
867 INIT_LIST_HEAD(&dev->mode_config.property_blob_list);
868 idr_init(&dev->mode_config.crtc_idr);
870 mutex_lock(&dev->mode_config.mutex);
871 drm_mode_create_standard_connector_properties(dev);
872 mutex_unlock(&dev->mode_config.mutex);
874 /* Just to be sure */
875 dev->mode_config.num_fb = 0;
876 dev->mode_config.num_connector = 0;
877 dev->mode_config.num_crtc = 0;
878 dev->mode_config.num_encoder = 0;
880 EXPORT_SYMBOL(drm_mode_config_init);
882 int drm_mode_group_init(struct drm_device *dev, struct drm_mode_group *group)
884 uint32_t total_objects = 0;
886 total_objects += dev->mode_config.num_crtc;
887 total_objects += dev->mode_config.num_connector;
888 total_objects += dev->mode_config.num_encoder;
890 if (total_objects == 0)
893 group->id_list = kzalloc(total_objects * sizeof(uint32_t), GFP_KERNEL);
897 group->num_crtcs = 0;
898 group->num_connectors = 0;
899 group->num_encoders = 0;
903 int drm_mode_group_init_legacy_group(struct drm_device *dev,
904 struct drm_mode_group *group)
906 struct drm_crtc *crtc;
907 struct drm_encoder *encoder;
908 struct drm_connector *connector;
911 if ((ret = drm_mode_group_init(dev, group)))
914 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head)
915 group->id_list[group->num_crtcs++] = crtc->base.id;
917 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head)
918 group->id_list[group->num_crtcs + group->num_encoders++] =
921 list_for_each_entry(connector, &dev->mode_config.connector_list, head)
922 group->id_list[group->num_crtcs + group->num_encoders +
923 group->num_connectors++] = connector->base.id;
929 * drm_mode_config_cleanup - free up DRM mode_config info
933 * Caller must hold mode config lock.
935 * Free up all the connectors and CRTCs associated with this DRM device, then
936 * free up the framebuffers and associated buffer objects.
938 * FIXME: cleanup any dangling user buffer objects too
940 void drm_mode_config_cleanup(struct drm_device *dev)
942 struct drm_connector *connector, *ot;
943 struct drm_crtc *crtc, *ct;
944 struct drm_encoder *encoder, *enct;
945 struct drm_framebuffer *fb, *fbt;
946 struct drm_property *property, *pt;
948 list_for_each_entry_safe(encoder, enct, &dev->mode_config.encoder_list,
950 encoder->funcs->destroy(encoder);
953 list_for_each_entry_safe(connector, ot,
954 &dev->mode_config.connector_list, head) {
955 connector->funcs->destroy(connector);
958 list_for_each_entry_safe(property, pt, &dev->mode_config.property_list,
960 drm_property_destroy(dev, property);
963 list_for_each_entry_safe(fb, fbt, &dev->mode_config.fb_list, head) {
964 fb->funcs->destroy(fb);
967 list_for_each_entry_safe(crtc, ct, &dev->mode_config.crtc_list, head) {
968 crtc->funcs->destroy(crtc);
972 EXPORT_SYMBOL(drm_mode_config_cleanup);
975 * drm_crtc_convert_to_umode - convert a drm_display_mode into a modeinfo
976 * @out: drm_mode_modeinfo struct to return to the user
977 * @in: drm_display_mode to use
982 * Convert a drm_display_mode into a drm_mode_modeinfo structure to return to
985 void drm_crtc_convert_to_umode(struct drm_mode_modeinfo *out,
986 struct drm_display_mode *in)
988 out->clock = in->clock;
989 out->hdisplay = in->hdisplay;
990 out->hsync_start = in->hsync_start;
991 out->hsync_end = in->hsync_end;
992 out->htotal = in->htotal;
993 out->hskew = in->hskew;
994 out->vdisplay = in->vdisplay;
995 out->vsync_start = in->vsync_start;
996 out->vsync_end = in->vsync_end;
997 out->vtotal = in->vtotal;
998 out->vscan = in->vscan;
999 out->vrefresh = in->vrefresh;
1000 out->flags = in->flags;
1001 out->type = in->type;
1002 strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN);
1003 out->name[DRM_DISPLAY_MODE_LEN-1] = 0;
1007 * drm_crtc_convert_to_umode - convert a modeinfo into a drm_display_mode
1008 * @out: drm_display_mode to return to the user
1009 * @in: drm_mode_modeinfo to use
1014 * Convert a drm_mode_modeinfo into a drm_display_mode structure to return to
1017 void drm_crtc_convert_umode(struct drm_display_mode *out,
1018 struct drm_mode_modeinfo *in)
1020 out->clock = in->clock;
1021 out->hdisplay = in->hdisplay;
1022 out->hsync_start = in->hsync_start;
1023 out->hsync_end = in->hsync_end;
1024 out->htotal = in->htotal;
1025 out->hskew = in->hskew;
1026 out->vdisplay = in->vdisplay;
1027 out->vsync_start = in->vsync_start;
1028 out->vsync_end = in->vsync_end;
1029 out->vtotal = in->vtotal;
1030 out->vscan = in->vscan;
1031 out->vrefresh = in->vrefresh;
1032 out->flags = in->flags;
1033 out->type = in->type;
1034 strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN);
1035 out->name[DRM_DISPLAY_MODE_LEN-1] = 0;
1039 * drm_mode_getresources - get graphics configuration
1040 * @inode: inode from the ioctl
1041 * @filp: file * from the ioctl
1042 * @cmd: cmd from ioctl
1043 * @arg: arg from ioctl
1046 * Takes mode config lock.
1048 * Construct a set of configuration description structures and return
1049 * them to the user, including CRTC, connector and framebuffer configuration.
1051 * Called by the user via ioctl.
1054 * Zero on success, errno on failure.
1056 int drm_mode_getresources(struct drm_device *dev, void *data,
1057 struct drm_file *file_priv)
1059 struct drm_mode_card_res *card_res = data;
1060 struct list_head *lh;
1061 struct drm_framebuffer *fb;
1062 struct drm_connector *connector;
1063 struct drm_crtc *crtc;
1064 struct drm_encoder *encoder;
1066 int connector_count = 0;
1069 int encoder_count = 0;
1071 uint32_t __user *fb_id;
1072 uint32_t __user *crtc_id;
1073 uint32_t __user *connector_id;
1074 uint32_t __user *encoder_id;
1075 struct drm_mode_group *mode_group;
1077 mutex_lock(&dev->mode_config.mutex);
1080 * For the non-control nodes we need to limit the list of resources
1081 * by IDs in the group list for this node
1083 list_for_each(lh, &file_priv->fbs)
1086 mode_group = &file_priv->master->minor->mode_group;
1087 if (file_priv->master->minor->type == DRM_MINOR_CONTROL) {
1089 list_for_each(lh, &dev->mode_config.crtc_list)
1092 list_for_each(lh, &dev->mode_config.connector_list)
1095 list_for_each(lh, &dev->mode_config.encoder_list)
1099 crtc_count = mode_group->num_crtcs;
1100 connector_count = mode_group->num_connectors;
1101 encoder_count = mode_group->num_encoders;
1104 card_res->max_height = dev->mode_config.max_height;
1105 card_res->min_height = dev->mode_config.min_height;
1106 card_res->max_width = dev->mode_config.max_width;
1107 card_res->min_width = dev->mode_config.min_width;
1109 /* handle this in 4 parts */
1111 if (card_res->count_fbs >= fb_count) {
1113 fb_id = (uint32_t __user *)(unsigned long)card_res->fb_id_ptr;
1114 list_for_each_entry(fb, &file_priv->fbs, head) {
1115 if (put_user(fb->base.id, fb_id + copied)) {
1122 card_res->count_fbs = fb_count;
1125 if (card_res->count_crtcs >= crtc_count) {
1127 crtc_id = (uint32_t __user *)(unsigned long)card_res->crtc_id_ptr;
1128 if (file_priv->master->minor->type == DRM_MINOR_CONTROL) {
1129 list_for_each_entry(crtc, &dev->mode_config.crtc_list,
1131 DRM_DEBUG_KMS("CRTC ID is %d\n", crtc->base.id);
1132 if (put_user(crtc->base.id, crtc_id + copied)) {
1139 for (i = 0; i < mode_group->num_crtcs; i++) {
1140 if (put_user(mode_group->id_list[i],
1141 crtc_id + copied)) {
1149 card_res->count_crtcs = crtc_count;
1152 if (card_res->count_encoders >= encoder_count) {
1154 encoder_id = (uint32_t __user *)(unsigned long)card_res->encoder_id_ptr;
1155 if (file_priv->master->minor->type == DRM_MINOR_CONTROL) {
1156 list_for_each_entry(encoder,
1157 &dev->mode_config.encoder_list,
1159 DRM_DEBUG_KMS("ENCODER ID is %d\n",
1161 if (put_user(encoder->base.id, encoder_id +
1169 for (i = mode_group->num_crtcs; i < mode_group->num_crtcs + mode_group->num_encoders; i++) {
1170 if (put_user(mode_group->id_list[i],
1171 encoder_id + copied)) {
1180 card_res->count_encoders = encoder_count;
1183 if (card_res->count_connectors >= connector_count) {
1185 connector_id = (uint32_t __user *)(unsigned long)card_res->connector_id_ptr;
1186 if (file_priv->master->minor->type == DRM_MINOR_CONTROL) {
1187 list_for_each_entry(connector,
1188 &dev->mode_config.connector_list,
1190 DRM_DEBUG_KMS("CONNECTOR ID is %d\n",
1191 connector->base.id);
1192 if (put_user(connector->base.id,
1193 connector_id + copied)) {
1200 int start = mode_group->num_crtcs +
1201 mode_group->num_encoders;
1202 for (i = start; i < start + mode_group->num_connectors; i++) {
1203 if (put_user(mode_group->id_list[i],
1204 connector_id + copied)) {
1212 card_res->count_connectors = connector_count;
1214 DRM_DEBUG_KMS("Counted %d %d %d\n", card_res->count_crtcs,
1215 card_res->count_connectors, card_res->count_encoders);
1218 mutex_unlock(&dev->mode_config.mutex);
1223 * drm_mode_getcrtc - get CRTC configuration
1224 * @inode: inode from the ioctl
1225 * @filp: file * from the ioctl
1226 * @cmd: cmd from ioctl
1227 * @arg: arg from ioctl
1232 * Construct a CRTC configuration structure to return to the user.
1234 * Called by the user via ioctl.
1237 * Zero on success, errno on failure.
1239 int drm_mode_getcrtc(struct drm_device *dev,
1240 void *data, struct drm_file *file_priv)
1242 struct drm_mode_crtc *crtc_resp = data;
1243 struct drm_crtc *crtc;
1244 struct drm_mode_object *obj;
1247 mutex_lock(&dev->mode_config.mutex);
1249 obj = drm_mode_object_find(dev, crtc_resp->crtc_id,
1250 DRM_MODE_OBJECT_CRTC);
1255 crtc = obj_to_crtc(obj);
1257 crtc_resp->x = crtc->x;
1258 crtc_resp->y = crtc->y;
1259 crtc_resp->gamma_size = crtc->gamma_size;
1261 crtc_resp->fb_id = crtc->fb->base.id;
1263 crtc_resp->fb_id = 0;
1265 if (crtc->enabled) {
1267 drm_crtc_convert_to_umode(&crtc_resp->mode, &crtc->mode);
1268 crtc_resp->mode_valid = 1;
1271 crtc_resp->mode_valid = 0;
1275 mutex_unlock(&dev->mode_config.mutex);
1280 * drm_mode_getconnector - get connector configuration
1281 * @inode: inode from the ioctl
1282 * @filp: file * from the ioctl
1283 * @cmd: cmd from ioctl
1284 * @arg: arg from ioctl
1289 * Construct a connector configuration structure to return to the user.
1291 * Called by the user via ioctl.
1294 * Zero on success, errno on failure.
1296 int drm_mode_getconnector(struct drm_device *dev, void *data,
1297 struct drm_file *file_priv)
1299 struct drm_mode_get_connector *out_resp = data;
1300 struct drm_mode_object *obj;
1301 struct drm_connector *connector;
1302 struct drm_display_mode *mode;
1304 int props_count = 0;
1305 int encoders_count = 0;
1309 struct drm_mode_modeinfo u_mode;
1310 struct drm_mode_modeinfo __user *mode_ptr;
1311 uint32_t __user *prop_ptr;
1312 uint64_t __user *prop_values;
1313 uint32_t __user *encoder_ptr;
1315 memset(&u_mode, 0, sizeof(struct drm_mode_modeinfo));
1317 DRM_DEBUG_KMS("connector id %d:\n", out_resp->connector_id);
1319 mutex_lock(&dev->mode_config.mutex);
1321 obj = drm_mode_object_find(dev, out_resp->connector_id,
1322 DRM_MODE_OBJECT_CONNECTOR);
1327 connector = obj_to_connector(obj);
1329 for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
1330 if (connector->property_ids[i] != 0) {
1335 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1336 if (connector->encoder_ids[i] != 0) {
1341 if (out_resp->count_modes == 0) {
1342 connector->funcs->fill_modes(connector,
1343 dev->mode_config.max_width,
1344 dev->mode_config.max_height);
1347 /* delayed so we get modes regardless of pre-fill_modes state */
1348 list_for_each_entry(mode, &connector->modes, head)
1351 out_resp->connector_id = connector->base.id;
1352 out_resp->connector_type = connector->connector_type;
1353 out_resp->connector_type_id = connector->connector_type_id;
1354 out_resp->mm_width = connector->display_info.width_mm;
1355 out_resp->mm_height = connector->display_info.height_mm;
1356 out_resp->subpixel = connector->display_info.subpixel_order;
1357 out_resp->connection = connector->status;
1358 if (connector->encoder)
1359 out_resp->encoder_id = connector->encoder->base.id;
1361 out_resp->encoder_id = 0;
1364 * This ioctl is called twice, once to determine how much space is
1365 * needed, and the 2nd time to fill it.
1367 if ((out_resp->count_modes >= mode_count) && mode_count) {
1369 mode_ptr = (struct drm_mode_modeinfo *)(unsigned long)out_resp->modes_ptr;
1370 list_for_each_entry(mode, &connector->modes, head) {
1371 drm_crtc_convert_to_umode(&u_mode, mode);
1372 if (copy_to_user(mode_ptr + copied,
1373 &u_mode, sizeof(u_mode))) {
1380 out_resp->count_modes = mode_count;
1382 if ((out_resp->count_props >= props_count) && props_count) {
1384 prop_ptr = (uint32_t *)(unsigned long)(out_resp->props_ptr);
1385 prop_values = (uint64_t *)(unsigned long)(out_resp->prop_values_ptr);
1386 for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
1387 if (connector->property_ids[i] != 0) {
1388 if (put_user(connector->property_ids[i],
1389 prop_ptr + copied)) {
1394 if (put_user(connector->property_values[i],
1395 prop_values + copied)) {
1403 out_resp->count_props = props_count;
1405 if ((out_resp->count_encoders >= encoders_count) && encoders_count) {
1407 encoder_ptr = (uint32_t *)(unsigned long)(out_resp->encoders_ptr);
1408 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1409 if (connector->encoder_ids[i] != 0) {
1410 if (put_user(connector->encoder_ids[i],
1411 encoder_ptr + copied)) {
1419 out_resp->count_encoders = encoders_count;
1422 mutex_unlock(&dev->mode_config.mutex);
1426 int drm_mode_getencoder(struct drm_device *dev, void *data,
1427 struct drm_file *file_priv)
1429 struct drm_mode_get_encoder *enc_resp = data;
1430 struct drm_mode_object *obj;
1431 struct drm_encoder *encoder;
1434 mutex_lock(&dev->mode_config.mutex);
1435 obj = drm_mode_object_find(dev, enc_resp->encoder_id,
1436 DRM_MODE_OBJECT_ENCODER);
1441 encoder = obj_to_encoder(obj);
1444 enc_resp->crtc_id = encoder->crtc->base.id;
1446 enc_resp->crtc_id = 0;
1447 enc_resp->encoder_type = encoder->encoder_type;
1448 enc_resp->encoder_id = encoder->base.id;
1449 enc_resp->possible_crtcs = encoder->possible_crtcs;
1450 enc_resp->possible_clones = encoder->possible_clones;
1453 mutex_unlock(&dev->mode_config.mutex);
1458 * drm_mode_setcrtc - set CRTC configuration
1459 * @inode: inode from the ioctl
1460 * @filp: file * from the ioctl
1461 * @cmd: cmd from ioctl
1462 * @arg: arg from ioctl
1467 * Build a new CRTC configuration based on user request.
1469 * Called by the user via ioctl.
1472 * Zero on success, errno on failure.
1474 int drm_mode_setcrtc(struct drm_device *dev, void *data,
1475 struct drm_file *file_priv)
1477 struct drm_mode_config *config = &dev->mode_config;
1478 struct drm_mode_crtc *crtc_req = data;
1479 struct drm_mode_object *obj;
1480 struct drm_crtc *crtc, *crtcfb;
1481 struct drm_connector **connector_set = NULL, *connector;
1482 struct drm_framebuffer *fb = NULL;
1483 struct drm_display_mode *mode = NULL;
1484 struct drm_mode_set set;
1485 uint32_t __user *set_connectors_ptr;
1489 mutex_lock(&dev->mode_config.mutex);
1490 obj = drm_mode_object_find(dev, crtc_req->crtc_id,
1491 DRM_MODE_OBJECT_CRTC);
1493 DRM_DEBUG_KMS("Unknown CRTC ID %d\n", crtc_req->crtc_id);
1497 crtc = obj_to_crtc(obj);
1499 if (crtc_req->mode_valid) {
1500 /* If we have a mode we need a framebuffer. */
1501 /* If we pass -1, set the mode with the currently bound fb */
1502 if (crtc_req->fb_id == -1) {
1503 list_for_each_entry(crtcfb,
1504 &dev->mode_config.crtc_list, head) {
1505 if (crtcfb == crtc) {
1506 DRM_DEBUG_KMS("Using current fb for "
1512 obj = drm_mode_object_find(dev, crtc_req->fb_id,
1513 DRM_MODE_OBJECT_FB);
1515 DRM_DEBUG_KMS("Unknown FB ID%d\n",
1520 fb = obj_to_fb(obj);
1523 mode = drm_mode_create(dev);
1524 drm_crtc_convert_umode(mode, &crtc_req->mode);
1525 drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V);
1528 if (crtc_req->count_connectors == 0 && mode) {
1529 DRM_DEBUG_KMS("Count connectors is 0 but mode set\n");
1534 if (crtc_req->count_connectors > 0 && (!mode || !fb)) {
1535 DRM_DEBUG_KMS("Count connectors is %d but no mode or fb set\n",
1536 crtc_req->count_connectors);
1541 if (crtc_req->count_connectors > 0) {
1544 /* Avoid unbounded kernel memory allocation */
1545 if (crtc_req->count_connectors > config->num_connector) {
1550 connector_set = kmalloc(crtc_req->count_connectors *
1551 sizeof(struct drm_connector *),
1553 if (!connector_set) {
1558 for (i = 0; i < crtc_req->count_connectors; i++) {
1559 set_connectors_ptr = (uint32_t *)(unsigned long)crtc_req->set_connectors_ptr;
1560 if (get_user(out_id, &set_connectors_ptr[i])) {
1565 obj = drm_mode_object_find(dev, out_id,
1566 DRM_MODE_OBJECT_CONNECTOR);
1568 DRM_DEBUG_KMS("Connector id %d unknown\n",
1573 connector = obj_to_connector(obj);
1575 connector_set[i] = connector;
1580 set.x = crtc_req->x;
1581 set.y = crtc_req->y;
1583 set.connectors = connector_set;
1584 set.num_connectors = crtc_req->count_connectors;
1586 ret = crtc->funcs->set_config(&set);
1589 kfree(connector_set);
1590 mutex_unlock(&dev->mode_config.mutex);
1594 int drm_mode_cursor_ioctl(struct drm_device *dev,
1595 void *data, struct drm_file *file_priv)
1597 struct drm_mode_cursor *req = data;
1598 struct drm_mode_object *obj;
1599 struct drm_crtc *crtc;
1603 DRM_ERROR("no operation set\n");
1607 mutex_lock(&dev->mode_config.mutex);
1608 obj = drm_mode_object_find(dev, req->crtc_id, DRM_MODE_OBJECT_CRTC);
1610 DRM_DEBUG_KMS("Unknown CRTC ID %d\n", req->crtc_id);
1614 crtc = obj_to_crtc(obj);
1616 if (req->flags & DRM_MODE_CURSOR_BO) {
1617 if (!crtc->funcs->cursor_set) {
1618 DRM_ERROR("crtc does not support cursor\n");
1622 /* Turns off the cursor if handle is 0 */
1623 ret = crtc->funcs->cursor_set(crtc, file_priv, req->handle,
1624 req->width, req->height);
1627 if (req->flags & DRM_MODE_CURSOR_MOVE) {
1628 if (crtc->funcs->cursor_move) {
1629 ret = crtc->funcs->cursor_move(crtc, req->x, req->y);
1631 DRM_ERROR("crtc does not support cursor\n");
1637 mutex_unlock(&dev->mode_config.mutex);
1642 * drm_mode_addfb - add an FB to the graphics configuration
1643 * @inode: inode from the ioctl
1644 * @filp: file * from the ioctl
1645 * @cmd: cmd from ioctl
1646 * @arg: arg from ioctl
1649 * Takes mode config lock.
1651 * Add a new FB to the specified CRTC, given a user request.
1653 * Called by the user via ioctl.
1656 * Zero on success, errno on failure.
1658 int drm_mode_addfb(struct drm_device *dev,
1659 void *data, struct drm_file *file_priv)
1661 struct drm_mode_fb_cmd *r = data;
1662 struct drm_mode_config *config = &dev->mode_config;
1663 struct drm_framebuffer *fb;
1666 if ((config->min_width > r->width) || (r->width > config->max_width)) {
1667 DRM_ERROR("mode new framebuffer width not within limits\n");
1670 if ((config->min_height > r->height) || (r->height > config->max_height)) {
1671 DRM_ERROR("mode new framebuffer height not within limits\n");
1675 mutex_lock(&dev->mode_config.mutex);
1677 /* TODO check buffer is sufficently large */
1678 /* TODO setup destructor callback */
1680 fb = dev->mode_config.funcs->fb_create(dev, file_priv, r);
1682 DRM_ERROR("could not create framebuffer\n");
1687 r->fb_id = fb->base.id;
1688 list_add(&fb->filp_head, &file_priv->fbs);
1691 mutex_unlock(&dev->mode_config.mutex);
1696 * drm_mode_rmfb - remove an FB from the configuration
1697 * @inode: inode from the ioctl
1698 * @filp: file * from the ioctl
1699 * @cmd: cmd from ioctl
1700 * @arg: arg from ioctl
1703 * Takes mode config lock.
1705 * Remove the FB specified by the user.
1707 * Called by the user via ioctl.
1710 * Zero on success, errno on failure.
1712 int drm_mode_rmfb(struct drm_device *dev,
1713 void *data, struct drm_file *file_priv)
1715 struct drm_mode_object *obj;
1716 struct drm_framebuffer *fb = NULL;
1717 struct drm_framebuffer *fbl = NULL;
1718 uint32_t *id = data;
1722 mutex_lock(&dev->mode_config.mutex);
1723 obj = drm_mode_object_find(dev, *id, DRM_MODE_OBJECT_FB);
1724 /* TODO check that we realy get a framebuffer back. */
1726 DRM_ERROR("mode invalid framebuffer id\n");
1730 fb = obj_to_fb(obj);
1732 list_for_each_entry(fbl, &file_priv->fbs, filp_head)
1737 DRM_ERROR("tried to remove a fb that we didn't own\n");
1742 /* TODO release all crtc connected to the framebuffer */
1743 /* TODO unhock the destructor from the buffer object */
1745 list_del(&fb->filp_head);
1746 fb->funcs->destroy(fb);
1749 mutex_unlock(&dev->mode_config.mutex);
1754 * drm_mode_getfb - get FB info
1755 * @inode: inode from the ioctl
1756 * @filp: file * from the ioctl
1757 * @cmd: cmd from ioctl
1758 * @arg: arg from ioctl
1763 * Lookup the FB given its ID and return info about it.
1765 * Called by the user via ioctl.
1768 * Zero on success, errno on failure.
1770 int drm_mode_getfb(struct drm_device *dev,
1771 void *data, struct drm_file *file_priv)
1773 struct drm_mode_fb_cmd *r = data;
1774 struct drm_mode_object *obj;
1775 struct drm_framebuffer *fb;
1778 mutex_lock(&dev->mode_config.mutex);
1779 obj = drm_mode_object_find(dev, r->fb_id, DRM_MODE_OBJECT_FB);
1781 DRM_ERROR("invalid framebuffer id\n");
1785 fb = obj_to_fb(obj);
1787 r->height = fb->height;
1788 r->width = fb->width;
1789 r->depth = fb->depth;
1790 r->bpp = fb->bits_per_pixel;
1791 r->pitch = fb->pitch;
1792 fb->funcs->create_handle(fb, file_priv, &r->handle);
1795 mutex_unlock(&dev->mode_config.mutex);
1799 int drm_mode_dirtyfb_ioctl(struct drm_device *dev,
1800 void *data, struct drm_file *file_priv)
1802 struct drm_clip_rect __user *clips_ptr;
1803 struct drm_clip_rect *clips = NULL;
1804 struct drm_mode_fb_dirty_cmd *r = data;
1805 struct drm_mode_object *obj;
1806 struct drm_framebuffer *fb;
1811 mutex_lock(&dev->mode_config.mutex);
1812 obj = drm_mode_object_find(dev, r->fb_id, DRM_MODE_OBJECT_FB);
1814 DRM_ERROR("invalid framebuffer id\n");
1818 fb = obj_to_fb(obj);
1820 num_clips = r->num_clips;
1821 clips_ptr = (struct drm_clip_rect *)(unsigned long)r->clips_ptr;
1823 if (!num_clips != !clips_ptr) {
1828 flags = DRM_MODE_FB_DIRTY_FLAGS & r->flags;
1830 /* If userspace annotates copy, clips must come in pairs */
1831 if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY && (num_clips % 2)) {
1836 if (num_clips && clips_ptr) {
1837 clips = kzalloc(num_clips * sizeof(*clips), GFP_KERNEL);
1843 ret = copy_from_user(clips, clips_ptr,
1844 num_clips * sizeof(*clips));
1849 if (fb->funcs->dirty) {
1850 ret = fb->funcs->dirty(fb, flags, r->color, clips, num_clips);
1859 mutex_unlock(&dev->mode_config.mutex);
1865 * drm_fb_release - remove and free the FBs on this file
1866 * @filp: file * from the ioctl
1869 * Takes mode config lock.
1871 * Destroy all the FBs associated with @filp.
1873 * Called by the user via ioctl.
1876 * Zero on success, errno on failure.
1878 void drm_fb_release(struct drm_file *priv)
1880 struct drm_device *dev = priv->minor->dev;
1881 struct drm_framebuffer *fb, *tfb;
1883 mutex_lock(&dev->mode_config.mutex);
1884 list_for_each_entry_safe(fb, tfb, &priv->fbs, filp_head) {
1885 list_del(&fb->filp_head);
1886 fb->funcs->destroy(fb);
1888 mutex_unlock(&dev->mode_config.mutex);
1892 * drm_mode_attachmode - add a mode to the user mode list
1894 * @connector: connector to add the mode to
1895 * @mode: mode to add
1897 * Add @mode to @connector's user mode list.
1899 static int drm_mode_attachmode(struct drm_device *dev,
1900 struct drm_connector *connector,
1901 struct drm_display_mode *mode)
1905 list_add_tail(&mode->head, &connector->user_modes);
1909 int drm_mode_attachmode_crtc(struct drm_device *dev, struct drm_crtc *crtc,
1910 struct drm_display_mode *mode)
1912 struct drm_connector *connector;
1914 struct drm_display_mode *dup_mode;
1916 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1917 if (!connector->encoder)
1919 if (connector->encoder->crtc == crtc) {
1921 dup_mode = drm_mode_duplicate(dev, mode);
1924 ret = drm_mode_attachmode(dev, connector, dup_mode);
1932 EXPORT_SYMBOL(drm_mode_attachmode_crtc);
1934 static int drm_mode_detachmode(struct drm_device *dev,
1935 struct drm_connector *connector,
1936 struct drm_display_mode *mode)
1940 struct drm_display_mode *match_mode, *t;
1942 list_for_each_entry_safe(match_mode, t, &connector->user_modes, head) {
1943 if (drm_mode_equal(match_mode, mode)) {
1944 list_del(&match_mode->head);
1945 drm_mode_destroy(dev, match_mode);
1957 int drm_mode_detachmode_crtc(struct drm_device *dev, struct drm_display_mode *mode)
1959 struct drm_connector *connector;
1961 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1962 drm_mode_detachmode(dev, connector, mode);
1966 EXPORT_SYMBOL(drm_mode_detachmode_crtc);
1969 * drm_fb_attachmode - Attach a user mode to an connector
1970 * @inode: inode from the ioctl
1971 * @filp: file * from the ioctl
1972 * @cmd: cmd from ioctl
1973 * @arg: arg from ioctl
1975 * This attaches a user specified mode to an connector.
1976 * Called by the user via ioctl.
1979 * Zero on success, errno on failure.
1981 int drm_mode_attachmode_ioctl(struct drm_device *dev,
1982 void *data, struct drm_file *file_priv)
1984 struct drm_mode_mode_cmd *mode_cmd = data;
1985 struct drm_connector *connector;
1986 struct drm_display_mode *mode;
1987 struct drm_mode_object *obj;
1988 struct drm_mode_modeinfo *umode = &mode_cmd->mode;
1991 mutex_lock(&dev->mode_config.mutex);
1993 obj = drm_mode_object_find(dev, mode_cmd->connector_id, DRM_MODE_OBJECT_CONNECTOR);
1998 connector = obj_to_connector(obj);
2000 mode = drm_mode_create(dev);
2006 drm_crtc_convert_umode(mode, umode);
2008 ret = drm_mode_attachmode(dev, connector, mode);
2010 mutex_unlock(&dev->mode_config.mutex);
2016 * drm_fb_detachmode - Detach a user specified mode from an connector
2017 * @inode: inode from the ioctl
2018 * @filp: file * from the ioctl
2019 * @cmd: cmd from ioctl
2020 * @arg: arg from ioctl
2022 * Called by the user via ioctl.
2025 * Zero on success, errno on failure.
2027 int drm_mode_detachmode_ioctl(struct drm_device *dev,
2028 void *data, struct drm_file *file_priv)
2030 struct drm_mode_object *obj;
2031 struct drm_mode_mode_cmd *mode_cmd = data;
2032 struct drm_connector *connector;
2033 struct drm_display_mode mode;
2034 struct drm_mode_modeinfo *umode = &mode_cmd->mode;
2037 mutex_lock(&dev->mode_config.mutex);
2039 obj = drm_mode_object_find(dev, mode_cmd->connector_id, DRM_MODE_OBJECT_CONNECTOR);
2044 connector = obj_to_connector(obj);
2046 drm_crtc_convert_umode(&mode, umode);
2047 ret = drm_mode_detachmode(dev, connector, &mode);
2049 mutex_unlock(&dev->mode_config.mutex);
2053 struct drm_property *drm_property_create(struct drm_device *dev, int flags,
2054 const char *name, int num_values)
2056 struct drm_property *property = NULL;
2058 property = kzalloc(sizeof(struct drm_property), GFP_KERNEL);
2063 property->values = kzalloc(sizeof(uint64_t)*num_values, GFP_KERNEL);
2064 if (!property->values)
2068 drm_mode_object_get(dev, &property->base, DRM_MODE_OBJECT_PROPERTY);
2069 property->flags = flags;
2070 property->num_values = num_values;
2071 INIT_LIST_HEAD(&property->enum_blob_list);
2074 strncpy(property->name, name, DRM_PROP_NAME_LEN);
2076 list_add_tail(&property->head, &dev->mode_config.property_list);
2082 EXPORT_SYMBOL(drm_property_create);
2084 int drm_property_add_enum(struct drm_property *property, int index,
2085 uint64_t value, const char *name)
2087 struct drm_property_enum *prop_enum;
2089 if (!(property->flags & DRM_MODE_PROP_ENUM))
2092 if (!list_empty(&property->enum_blob_list)) {
2093 list_for_each_entry(prop_enum, &property->enum_blob_list, head) {
2094 if (prop_enum->value == value) {
2095 strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN);
2096 prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0';
2102 prop_enum = kzalloc(sizeof(struct drm_property_enum), GFP_KERNEL);
2106 strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN);
2107 prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0';
2108 prop_enum->value = value;
2110 property->values[index] = value;
2111 list_add_tail(&prop_enum->head, &property->enum_blob_list);
2114 EXPORT_SYMBOL(drm_property_add_enum);
2116 void drm_property_destroy(struct drm_device *dev, struct drm_property *property)
2118 struct drm_property_enum *prop_enum, *pt;
2120 list_for_each_entry_safe(prop_enum, pt, &property->enum_blob_list, head) {
2121 list_del(&prop_enum->head);
2125 if (property->num_values)
2126 kfree(property->values);
2127 drm_mode_object_put(dev, &property->base);
2128 list_del(&property->head);
2131 EXPORT_SYMBOL(drm_property_destroy);
2133 int drm_connector_attach_property(struct drm_connector *connector,
2134 struct drm_property *property, uint64_t init_val)
2138 for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
2139 if (connector->property_ids[i] == 0) {
2140 connector->property_ids[i] = property->base.id;
2141 connector->property_values[i] = init_val;
2146 if (i == DRM_CONNECTOR_MAX_PROPERTY)
2150 EXPORT_SYMBOL(drm_connector_attach_property);
2152 int drm_connector_property_set_value(struct drm_connector *connector,
2153 struct drm_property *property, uint64_t value)
2157 for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
2158 if (connector->property_ids[i] == property->base.id) {
2159 connector->property_values[i] = value;
2164 if (i == DRM_CONNECTOR_MAX_PROPERTY)
2168 EXPORT_SYMBOL(drm_connector_property_set_value);
2170 int drm_connector_property_get_value(struct drm_connector *connector,
2171 struct drm_property *property, uint64_t *val)
2175 for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
2176 if (connector->property_ids[i] == property->base.id) {
2177 *val = connector->property_values[i];
2182 if (i == DRM_CONNECTOR_MAX_PROPERTY)
2186 EXPORT_SYMBOL(drm_connector_property_get_value);
2188 int drm_mode_getproperty_ioctl(struct drm_device *dev,
2189 void *data, struct drm_file *file_priv)
2191 struct drm_mode_object *obj;
2192 struct drm_mode_get_property *out_resp = data;
2193 struct drm_property *property;
2196 int value_count = 0;
2199 struct drm_property_enum *prop_enum;
2200 struct drm_mode_property_enum __user *enum_ptr;
2201 struct drm_property_blob *prop_blob;
2202 uint32_t *blob_id_ptr;
2203 uint64_t __user *values_ptr;
2204 uint32_t __user *blob_length_ptr;
2206 mutex_lock(&dev->mode_config.mutex);
2207 obj = drm_mode_object_find(dev, out_resp->prop_id, DRM_MODE_OBJECT_PROPERTY);
2212 property = obj_to_property(obj);
2214 if (property->flags & DRM_MODE_PROP_ENUM) {
2215 list_for_each_entry(prop_enum, &property->enum_blob_list, head)
2217 } else if (property->flags & DRM_MODE_PROP_BLOB) {
2218 list_for_each_entry(prop_blob, &property->enum_blob_list, head)
2222 value_count = property->num_values;
2224 strncpy(out_resp->name, property->name, DRM_PROP_NAME_LEN);
2225 out_resp->name[DRM_PROP_NAME_LEN-1] = 0;
2226 out_resp->flags = property->flags;
2228 if ((out_resp->count_values >= value_count) && value_count) {
2229 values_ptr = (uint64_t *)(unsigned long)out_resp->values_ptr;
2230 for (i = 0; i < value_count; i++) {
2231 if (copy_to_user(values_ptr + i, &property->values[i], sizeof(uint64_t))) {
2237 out_resp->count_values = value_count;
2239 if (property->flags & DRM_MODE_PROP_ENUM) {
2240 if ((out_resp->count_enum_blobs >= enum_count) && enum_count) {
2242 enum_ptr = (struct drm_mode_property_enum *)(unsigned long)out_resp->enum_blob_ptr;
2243 list_for_each_entry(prop_enum, &property->enum_blob_list, head) {
2245 if (copy_to_user(&enum_ptr[copied].value, &prop_enum->value, sizeof(uint64_t))) {
2250 if (copy_to_user(&enum_ptr[copied].name,
2251 &prop_enum->name, DRM_PROP_NAME_LEN)) {
2258 out_resp->count_enum_blobs = enum_count;
2261 if (property->flags & DRM_MODE_PROP_BLOB) {
2262 if ((out_resp->count_enum_blobs >= blob_count) && blob_count) {
2264 blob_id_ptr = (uint32_t *)(unsigned long)out_resp->enum_blob_ptr;
2265 blob_length_ptr = (uint32_t *)(unsigned long)out_resp->values_ptr;
2267 list_for_each_entry(prop_blob, &property->enum_blob_list, head) {
2268 if (put_user(prop_blob->base.id, blob_id_ptr + copied)) {
2273 if (put_user(prop_blob->length, blob_length_ptr + copied)) {
2281 out_resp->count_enum_blobs = blob_count;
2284 mutex_unlock(&dev->mode_config.mutex);
2288 static struct drm_property_blob *drm_property_create_blob(struct drm_device *dev, int length,
2291 struct drm_property_blob *blob;
2293 if (!length || !data)
2296 blob = kzalloc(sizeof(struct drm_property_blob)+length, GFP_KERNEL);
2300 blob->data = (void *)((char *)blob + sizeof(struct drm_property_blob));
2301 blob->length = length;
2303 memcpy(blob->data, data, length);
2305 drm_mode_object_get(dev, &blob->base, DRM_MODE_OBJECT_BLOB);
2307 list_add_tail(&blob->head, &dev->mode_config.property_blob_list);
2311 static void drm_property_destroy_blob(struct drm_device *dev,
2312 struct drm_property_blob *blob)
2314 drm_mode_object_put(dev, &blob->base);
2315 list_del(&blob->head);
2319 int drm_mode_getblob_ioctl(struct drm_device *dev,
2320 void *data, struct drm_file *file_priv)
2322 struct drm_mode_object *obj;
2323 struct drm_mode_get_blob *out_resp = data;
2324 struct drm_property_blob *blob;
2328 mutex_lock(&dev->mode_config.mutex);
2329 obj = drm_mode_object_find(dev, out_resp->blob_id, DRM_MODE_OBJECT_BLOB);
2334 blob = obj_to_blob(obj);
2336 if (out_resp->length == blob->length) {
2337 blob_ptr = (void *)(unsigned long)out_resp->data;
2338 if (copy_to_user(blob_ptr, blob->data, blob->length)){
2343 out_resp->length = blob->length;
2346 mutex_unlock(&dev->mode_config.mutex);
2350 int drm_mode_connector_update_edid_property(struct drm_connector *connector,
2353 struct drm_device *dev = connector->dev;
2356 if (connector->edid_blob_ptr)
2357 drm_property_destroy_blob(dev, connector->edid_blob_ptr);
2359 /* Delete edid, when there is none. */
2361 connector->edid_blob_ptr = NULL;
2362 ret = drm_connector_property_set_value(connector, dev->mode_config.edid_property, 0);
2366 size = EDID_LENGTH * (1 + edid->extensions);
2367 connector->edid_blob_ptr = drm_property_create_blob(connector->dev,
2370 ret = drm_connector_property_set_value(connector,
2371 dev->mode_config.edid_property,
2372 connector->edid_blob_ptr->base.id);
2376 EXPORT_SYMBOL(drm_mode_connector_update_edid_property);
2378 int drm_mode_connector_property_set_ioctl(struct drm_device *dev,
2379 void *data, struct drm_file *file_priv)
2381 struct drm_mode_connector_set_property *out_resp = data;
2382 struct drm_mode_object *obj;
2383 struct drm_property *property;
2384 struct drm_connector *connector;
2388 mutex_lock(&dev->mode_config.mutex);
2390 obj = drm_mode_object_find(dev, out_resp->connector_id, DRM_MODE_OBJECT_CONNECTOR);
2394 connector = obj_to_connector(obj);
2396 for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
2397 if (connector->property_ids[i] == out_resp->prop_id)
2401 if (i == DRM_CONNECTOR_MAX_PROPERTY) {
2405 obj = drm_mode_object_find(dev, out_resp->prop_id, DRM_MODE_OBJECT_PROPERTY);
2409 property = obj_to_property(obj);
2411 if (property->flags & DRM_MODE_PROP_IMMUTABLE)
2414 if (property->flags & DRM_MODE_PROP_RANGE) {
2415 if (out_resp->value < property->values[0])
2418 if (out_resp->value > property->values[1])
2422 for (i = 0; i < property->num_values; i++) {
2423 if (property->values[i] == out_resp->value) {
2433 /* Do DPMS ourselves */
2434 if (property == connector->dev->mode_config.dpms_property) {
2435 if (connector->funcs->dpms)
2436 (*connector->funcs->dpms)(connector, (int) out_resp->value);
2438 } else if (connector->funcs->set_property)
2439 ret = connector->funcs->set_property(connector, property, out_resp->value);
2441 /* store the property value if successful */
2443 drm_connector_property_set_value(connector, property, out_resp->value);
2445 mutex_unlock(&dev->mode_config.mutex);
2449 int drm_mode_connector_attach_encoder(struct drm_connector *connector,
2450 struct drm_encoder *encoder)
2454 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
2455 if (connector->encoder_ids[i] == 0) {
2456 connector->encoder_ids[i] = encoder->base.id;
2462 EXPORT_SYMBOL(drm_mode_connector_attach_encoder);
2464 void drm_mode_connector_detach_encoder(struct drm_connector *connector,
2465 struct drm_encoder *encoder)
2468 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
2469 if (connector->encoder_ids[i] == encoder->base.id) {
2470 connector->encoder_ids[i] = 0;
2471 if (connector->encoder == encoder)
2472 connector->encoder = NULL;
2477 EXPORT_SYMBOL(drm_mode_connector_detach_encoder);
2479 bool drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc,
2482 crtc->gamma_size = gamma_size;
2484 crtc->gamma_store = kzalloc(gamma_size * sizeof(uint16_t) * 3, GFP_KERNEL);
2485 if (!crtc->gamma_store) {
2486 crtc->gamma_size = 0;
2492 EXPORT_SYMBOL(drm_mode_crtc_set_gamma_size);
2494 int drm_mode_gamma_set_ioctl(struct drm_device *dev,
2495 void *data, struct drm_file *file_priv)
2497 struct drm_mode_crtc_lut *crtc_lut = data;
2498 struct drm_mode_object *obj;
2499 struct drm_crtc *crtc;
2500 void *r_base, *g_base, *b_base;
2504 mutex_lock(&dev->mode_config.mutex);
2505 obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC);
2510 crtc = obj_to_crtc(obj);
2512 /* memcpy into gamma store */
2513 if (crtc_lut->gamma_size != crtc->gamma_size) {
2518 size = crtc_lut->gamma_size * (sizeof(uint16_t));
2519 r_base = crtc->gamma_store;
2520 if (copy_from_user(r_base, (void __user *)(unsigned long)crtc_lut->red, size)) {
2525 g_base = r_base + size;
2526 if (copy_from_user(g_base, (void __user *)(unsigned long)crtc_lut->green, size)) {
2531 b_base = g_base + size;
2532 if (copy_from_user(b_base, (void __user *)(unsigned long)crtc_lut->blue, size)) {
2537 crtc->funcs->gamma_set(crtc, r_base, g_base, b_base, crtc->gamma_size);
2540 mutex_unlock(&dev->mode_config.mutex);
2545 int drm_mode_gamma_get_ioctl(struct drm_device *dev,
2546 void *data, struct drm_file *file_priv)
2548 struct drm_mode_crtc_lut *crtc_lut = data;
2549 struct drm_mode_object *obj;
2550 struct drm_crtc *crtc;
2551 void *r_base, *g_base, *b_base;
2555 mutex_lock(&dev->mode_config.mutex);
2556 obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC);
2561 crtc = obj_to_crtc(obj);
2563 /* memcpy into gamma store */
2564 if (crtc_lut->gamma_size != crtc->gamma_size) {
2569 size = crtc_lut->gamma_size * (sizeof(uint16_t));
2570 r_base = crtc->gamma_store;
2571 if (copy_to_user((void __user *)(unsigned long)crtc_lut->red, r_base, size)) {
2576 g_base = r_base + size;
2577 if (copy_to_user((void __user *)(unsigned long)crtc_lut->green, g_base, size)) {
2582 b_base = g_base + size;
2583 if (copy_to_user((void __user *)(unsigned long)crtc_lut->blue, b_base, size)) {
2588 mutex_unlock(&dev->mode_config.mutex);
2592 int drm_mode_page_flip_ioctl(struct drm_device *dev,
2593 void *data, struct drm_file *file_priv)
2595 struct drm_mode_crtc_page_flip *page_flip = data;
2596 struct drm_mode_object *obj;
2597 struct drm_crtc *crtc;
2598 struct drm_framebuffer *fb;
2599 struct drm_pending_vblank_event *e = NULL;
2600 unsigned long flags;
2603 if (page_flip->flags & ~DRM_MODE_PAGE_FLIP_FLAGS ||
2604 page_flip->reserved != 0)
2607 mutex_lock(&dev->mode_config.mutex);
2608 obj = drm_mode_object_find(dev, page_flip->crtc_id, DRM_MODE_OBJECT_CRTC);
2611 crtc = obj_to_crtc(obj);
2613 if (crtc->funcs->page_flip == NULL)
2616 obj = drm_mode_object_find(dev, page_flip->fb_id, DRM_MODE_OBJECT_FB);
2619 fb = obj_to_fb(obj);
2621 if (page_flip->flags & DRM_MODE_PAGE_FLIP_EVENT) {
2623 spin_lock_irqsave(&dev->event_lock, flags);
2624 if (file_priv->event_space < sizeof e->event) {
2625 spin_unlock_irqrestore(&dev->event_lock, flags);
2628 file_priv->event_space -= sizeof e->event;
2629 spin_unlock_irqrestore(&dev->event_lock, flags);
2631 e = kzalloc(sizeof *e, GFP_KERNEL);
2633 spin_lock_irqsave(&dev->event_lock, flags);
2634 file_priv->event_space += sizeof e->event;
2635 spin_unlock_irqrestore(&dev->event_lock, flags);
2639 e->event.base.type = DRM_EVENT_FLIP_COMPLETE;
2640 e->event.base.length = sizeof e->event;
2641 e->event.user_data = page_flip->user_data;
2642 e->base.event = &e->event.base;
2643 e->base.file_priv = file_priv;
2645 (void (*) (struct drm_pending_event *)) kfree;
2648 ret = crtc->funcs->page_flip(crtc, fb, e);
2650 spin_lock_irqsave(&dev->event_lock, flags);
2651 file_priv->event_space += sizeof e->event;
2652 spin_unlock_irqrestore(&dev->event_lock, flags);
2657 mutex_unlock(&dev->mode_config.mutex);