2 * Copyright (c) 2006-2008 Intel Corporation
3 * Copyright (c) 2007 Dave Airlie <airlied@linux.ie>
4 * Copyright (c) 2008 Red Hat Inc.
6 * DRM core CRTC related functions
8 * Permission to use, copy, modify, distribute, and sell this software and its
9 * documentation for any purpose is hereby granted without fee, provided that
10 * the above copyright notice appear in all copies and that both that copyright
11 * notice and this permission notice appear in supporting documentation, and
12 * that the name of the copyright holders not be used in advertising or
13 * publicity pertaining to distribution of the software without specific,
14 * written prior permission. The copyright holders make no representations
15 * about the suitability of this software for any purpose. It is provided "as
16 * is" without express or implied warranty.
18 * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
19 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
20 * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
21 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
22 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
23 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
28 * Eric Anholt <eric@anholt.net>
29 * Dave Airlie <airlied@linux.ie>
30 * Jesse Barnes <jesse.barnes@intel.com>
32 #include <linux/list.h>
33 #include <linux/slab.h>
34 #include <linux/export.h>
39 #include "drm_fourcc.h"
41 struct drm_prop_enum_list {
46 /* Avoid boilerplate. I'm tired of typing. */
47 #define DRM_ENUM_NAME_FN(fnname, list) \
48 char *fnname(int val) \
51 for (i = 0; i < ARRAY_SIZE(list); i++) { \
52 if (list[i].type == val) \
53 return list[i].name; \
61 static struct drm_prop_enum_list drm_dpms_enum_list[] =
62 { { DRM_MODE_DPMS_ON, "On" },
63 { DRM_MODE_DPMS_STANDBY, "Standby" },
64 { DRM_MODE_DPMS_SUSPEND, "Suspend" },
65 { DRM_MODE_DPMS_OFF, "Off" }
68 DRM_ENUM_NAME_FN(drm_get_dpms_name, drm_dpms_enum_list)
73 static struct drm_prop_enum_list drm_scaling_mode_enum_list[] =
75 { DRM_MODE_SCALE_NONE, "None" },
76 { DRM_MODE_SCALE_FULLSCREEN, "Full" },
77 { DRM_MODE_SCALE_CENTER, "Center" },
78 { DRM_MODE_SCALE_ASPECT, "Full aspect" },
81 static struct drm_prop_enum_list drm_dithering_mode_enum_list[] =
83 { DRM_MODE_DITHERING_OFF, "Off" },
84 { DRM_MODE_DITHERING_ON, "On" },
85 { DRM_MODE_DITHERING_AUTO, "Automatic" },
89 * Non-global properties, but "required" for certain connectors.
91 static struct drm_prop_enum_list drm_dvi_i_select_enum_list[] =
93 { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */
94 { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */
95 { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */
98 DRM_ENUM_NAME_FN(drm_get_dvi_i_select_name, drm_dvi_i_select_enum_list)
100 static struct drm_prop_enum_list drm_dvi_i_subconnector_enum_list[] =
102 { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */
103 { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */
104 { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */
107 DRM_ENUM_NAME_FN(drm_get_dvi_i_subconnector_name,
108 drm_dvi_i_subconnector_enum_list)
110 static struct drm_prop_enum_list drm_tv_select_enum_list[] =
112 { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */
113 { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */
114 { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */
115 { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */
116 { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */
119 DRM_ENUM_NAME_FN(drm_get_tv_select_name, drm_tv_select_enum_list)
121 static struct drm_prop_enum_list drm_tv_subconnector_enum_list[] =
123 { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */
124 { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */
125 { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */
126 { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */
127 { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */
130 DRM_ENUM_NAME_FN(drm_get_tv_subconnector_name,
131 drm_tv_subconnector_enum_list)
133 static struct drm_prop_enum_list drm_dirty_info_enum_list[] = {
134 { DRM_MODE_DIRTY_OFF, "Off" },
135 { DRM_MODE_DIRTY_ON, "On" },
136 { DRM_MODE_DIRTY_ANNOTATE, "Annotate" },
139 DRM_ENUM_NAME_FN(drm_get_dirty_info_name,
140 drm_dirty_info_enum_list)
142 struct drm_conn_prop_enum_list {
149 * Connector and encoder types.
151 static struct drm_conn_prop_enum_list drm_connector_enum_list[] =
152 { { DRM_MODE_CONNECTOR_Unknown, "Unknown", 0 },
153 { DRM_MODE_CONNECTOR_VGA, "VGA", 0 },
154 { DRM_MODE_CONNECTOR_DVII, "DVI-I", 0 },
155 { DRM_MODE_CONNECTOR_DVID, "DVI-D", 0 },
156 { DRM_MODE_CONNECTOR_DVIA, "DVI-A", 0 },
157 { DRM_MODE_CONNECTOR_Composite, "Composite", 0 },
158 { DRM_MODE_CONNECTOR_SVIDEO, "SVIDEO", 0 },
159 { DRM_MODE_CONNECTOR_LVDS, "LVDS", 0 },
160 { DRM_MODE_CONNECTOR_Component, "Component", 0 },
161 { DRM_MODE_CONNECTOR_9PinDIN, "DIN", 0 },
162 { DRM_MODE_CONNECTOR_DisplayPort, "DP", 0 },
163 { DRM_MODE_CONNECTOR_HDMIA, "HDMI-A", 0 },
164 { DRM_MODE_CONNECTOR_HDMIB, "HDMI-B", 0 },
165 { DRM_MODE_CONNECTOR_TV, "TV", 0 },
166 { DRM_MODE_CONNECTOR_eDP, "eDP", 0 },
167 { DRM_MODE_CONNECTOR_VIRTUAL, "Virtual", 0},
170 static struct drm_prop_enum_list drm_encoder_enum_list[] =
171 { { DRM_MODE_ENCODER_NONE, "None" },
172 { DRM_MODE_ENCODER_DAC, "DAC" },
173 { DRM_MODE_ENCODER_TMDS, "TMDS" },
174 { DRM_MODE_ENCODER_LVDS, "LVDS" },
175 { DRM_MODE_ENCODER_TVDAC, "TV" },
176 { DRM_MODE_ENCODER_VIRTUAL, "Virtual" },
179 char *drm_get_encoder_name(struct drm_encoder *encoder)
183 snprintf(buf, 32, "%s-%d",
184 drm_encoder_enum_list[encoder->encoder_type].name,
188 EXPORT_SYMBOL(drm_get_encoder_name);
190 char *drm_get_connector_name(struct drm_connector *connector)
194 snprintf(buf, 32, "%s-%d",
195 drm_connector_enum_list[connector->connector_type].name,
196 connector->connector_type_id);
199 EXPORT_SYMBOL(drm_get_connector_name);
201 char *drm_get_connector_status_name(enum drm_connector_status status)
203 if (status == connector_status_connected)
205 else if (status == connector_status_disconnected)
206 return "disconnected";
212 * drm_mode_object_get - allocate a new identifier
214 * @ptr: object pointer, used to generate unique ID
219 * Create a unique identifier based on @ptr in @dev's identifier space. Used
220 * for tracking modes, CRTCs and connectors.
223 * New unique (relative to other objects in @dev) integer identifier for the
226 static int drm_mode_object_get(struct drm_device *dev,
227 struct drm_mode_object *obj, uint32_t obj_type)
233 if (idr_pre_get(&dev->mode_config.crtc_idr, GFP_KERNEL) == 0) {
234 DRM_ERROR("Ran out memory getting a mode number\n");
238 mutex_lock(&dev->mode_config.idr_mutex);
239 ret = idr_get_new_above(&dev->mode_config.crtc_idr, obj, 1, &new_id);
240 mutex_unlock(&dev->mode_config.idr_mutex);
245 obj->type = obj_type;
250 * drm_mode_object_put - free an identifer
255 * Caller must hold DRM mode_config lock.
257 * Free @id from @dev's unique identifier pool.
259 static void drm_mode_object_put(struct drm_device *dev,
260 struct drm_mode_object *object)
262 mutex_lock(&dev->mode_config.idr_mutex);
263 idr_remove(&dev->mode_config.crtc_idr, object->id);
264 mutex_unlock(&dev->mode_config.idr_mutex);
267 struct drm_mode_object *drm_mode_object_find(struct drm_device *dev,
268 uint32_t id, uint32_t type)
270 struct drm_mode_object *obj = NULL;
272 mutex_lock(&dev->mode_config.idr_mutex);
273 obj = idr_find(&dev->mode_config.crtc_idr, id);
274 if (!obj || (obj->type != type) || (obj->id != id))
276 mutex_unlock(&dev->mode_config.idr_mutex);
280 EXPORT_SYMBOL(drm_mode_object_find);
283 * drm_framebuffer_init - initialize a framebuffer
287 * Caller must hold mode config lock.
289 * Allocates an ID for the framebuffer's parent mode object, sets its mode
290 * functions & device file and adds it to the master fd list.
293 * Zero on success, error code on failure.
295 int drm_framebuffer_init(struct drm_device *dev, struct drm_framebuffer *fb,
296 const struct drm_framebuffer_funcs *funcs)
300 ret = drm_mode_object_get(dev, &fb->base, DRM_MODE_OBJECT_FB);
307 dev->mode_config.num_fb++;
308 list_add(&fb->head, &dev->mode_config.fb_list);
312 EXPORT_SYMBOL(drm_framebuffer_init);
315 * drm_framebuffer_cleanup - remove a framebuffer object
316 * @fb: framebuffer to remove
319 * Caller must hold mode config lock.
321 * Scans all the CRTCs in @dev's mode_config. If they're using @fb, removes
322 * it, setting it to NULL.
324 void drm_framebuffer_cleanup(struct drm_framebuffer *fb)
326 struct drm_device *dev = fb->dev;
327 struct drm_crtc *crtc;
328 struct drm_plane *plane;
329 struct drm_mode_set set;
332 /* remove from any CRTC */
333 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
334 if (crtc->fb == fb) {
335 /* should turn off the crtc */
336 memset(&set, 0, sizeof(struct drm_mode_set));
339 ret = crtc->funcs->set_config(&set);
341 DRM_ERROR("failed to reset crtc %p when fb was deleted\n", crtc);
345 list_for_each_entry(plane, &dev->mode_config.plane_list, head) {
346 if (plane->fb == fb) {
347 /* should turn off the crtc */
348 ret = plane->funcs->disable_plane(plane);
350 DRM_ERROR("failed to disable plane with busy fb\n");
351 /* disconnect the plane from the fb and crtc: */
357 drm_mode_object_put(dev, &fb->base);
359 dev->mode_config.num_fb--;
361 EXPORT_SYMBOL(drm_framebuffer_cleanup);
364 * drm_crtc_init - Initialise a new CRTC object
366 * @crtc: CRTC object to init
367 * @funcs: callbacks for the new CRTC
370 * Caller must hold mode config lock.
372 * Inits a new object created as base part of an driver crtc object.
374 void drm_crtc_init(struct drm_device *dev, struct drm_crtc *crtc,
375 const struct drm_crtc_funcs *funcs)
380 mutex_lock(&dev->mode_config.mutex);
381 drm_mode_object_get(dev, &crtc->base, DRM_MODE_OBJECT_CRTC);
383 list_add_tail(&crtc->head, &dev->mode_config.crtc_list);
384 dev->mode_config.num_crtc++;
385 mutex_unlock(&dev->mode_config.mutex);
387 EXPORT_SYMBOL(drm_crtc_init);
390 * drm_crtc_cleanup - Cleans up the core crtc usage.
391 * @crtc: CRTC to cleanup
394 * Caller must hold mode config lock.
396 * Cleanup @crtc. Removes from drm modesetting space
397 * does NOT free object, caller does that.
399 void drm_crtc_cleanup(struct drm_crtc *crtc)
401 struct drm_device *dev = crtc->dev;
403 if (crtc->gamma_store) {
404 kfree(crtc->gamma_store);
405 crtc->gamma_store = NULL;
408 drm_mode_object_put(dev, &crtc->base);
409 list_del(&crtc->head);
410 dev->mode_config.num_crtc--;
412 EXPORT_SYMBOL(drm_crtc_cleanup);
415 * drm_mode_probed_add - add a mode to a connector's probed mode list
416 * @connector: connector the new mode
420 * Caller must hold mode config lock.
422 * Add @mode to @connector's mode list for later use.
424 void drm_mode_probed_add(struct drm_connector *connector,
425 struct drm_display_mode *mode)
427 list_add(&mode->head, &connector->probed_modes);
429 EXPORT_SYMBOL(drm_mode_probed_add);
432 * drm_mode_remove - remove and free a mode
433 * @connector: connector list to modify
434 * @mode: mode to remove
437 * Caller must hold mode config lock.
439 * Remove @mode from @connector's mode list, then free it.
441 void drm_mode_remove(struct drm_connector *connector,
442 struct drm_display_mode *mode)
444 list_del(&mode->head);
447 EXPORT_SYMBOL(drm_mode_remove);
450 * drm_connector_init - Init a preallocated connector
452 * @connector: the connector to init
453 * @funcs: callbacks for this connector
454 * @name: user visible name of the connector
457 * Caller must hold @dev's mode_config lock.
459 * Initialises a preallocated connector. Connectors should be
460 * subclassed as part of driver connector objects.
462 void drm_connector_init(struct drm_device *dev,
463 struct drm_connector *connector,
464 const struct drm_connector_funcs *funcs,
467 mutex_lock(&dev->mode_config.mutex);
469 connector->dev = dev;
470 connector->funcs = funcs;
471 drm_mode_object_get(dev, &connector->base, DRM_MODE_OBJECT_CONNECTOR);
472 connector->connector_type = connector_type;
473 connector->connector_type_id =
474 ++drm_connector_enum_list[connector_type].count; /* TODO */
475 INIT_LIST_HEAD(&connector->user_modes);
476 INIT_LIST_HEAD(&connector->probed_modes);
477 INIT_LIST_HEAD(&connector->modes);
478 connector->edid_blob_ptr = NULL;
480 list_add_tail(&connector->head, &dev->mode_config.connector_list);
481 dev->mode_config.num_connector++;
483 if (connector_type != DRM_MODE_CONNECTOR_VIRTUAL)
484 drm_connector_attach_property(connector,
485 dev->mode_config.edid_property,
488 drm_connector_attach_property(connector,
489 dev->mode_config.dpms_property, 0);
491 mutex_unlock(&dev->mode_config.mutex);
493 EXPORT_SYMBOL(drm_connector_init);
496 * drm_connector_cleanup - cleans up an initialised connector
497 * @connector: connector to cleanup
500 * Caller must hold @dev's mode_config lock.
502 * Cleans up the connector but doesn't free the object.
504 void drm_connector_cleanup(struct drm_connector *connector)
506 struct drm_device *dev = connector->dev;
507 struct drm_display_mode *mode, *t;
509 list_for_each_entry_safe(mode, t, &connector->probed_modes, head)
510 drm_mode_remove(connector, mode);
512 list_for_each_entry_safe(mode, t, &connector->modes, head)
513 drm_mode_remove(connector, mode);
515 list_for_each_entry_safe(mode, t, &connector->user_modes, head)
516 drm_mode_remove(connector, mode);
518 mutex_lock(&dev->mode_config.mutex);
519 drm_mode_object_put(dev, &connector->base);
520 list_del(&connector->head);
521 dev->mode_config.num_connector--;
522 mutex_unlock(&dev->mode_config.mutex);
524 EXPORT_SYMBOL(drm_connector_cleanup);
526 void drm_encoder_init(struct drm_device *dev,
527 struct drm_encoder *encoder,
528 const struct drm_encoder_funcs *funcs,
531 mutex_lock(&dev->mode_config.mutex);
535 drm_mode_object_get(dev, &encoder->base, DRM_MODE_OBJECT_ENCODER);
536 encoder->encoder_type = encoder_type;
537 encoder->funcs = funcs;
539 list_add_tail(&encoder->head, &dev->mode_config.encoder_list);
540 dev->mode_config.num_encoder++;
542 mutex_unlock(&dev->mode_config.mutex);
544 EXPORT_SYMBOL(drm_encoder_init);
546 void drm_encoder_cleanup(struct drm_encoder *encoder)
548 struct drm_device *dev = encoder->dev;
549 mutex_lock(&dev->mode_config.mutex);
550 drm_mode_object_put(dev, &encoder->base);
551 list_del(&encoder->head);
552 dev->mode_config.num_encoder--;
553 mutex_unlock(&dev->mode_config.mutex);
555 EXPORT_SYMBOL(drm_encoder_cleanup);
557 int drm_plane_init(struct drm_device *dev, struct drm_plane *plane,
558 unsigned long possible_crtcs,
559 const struct drm_plane_funcs *funcs,
560 const uint32_t *formats, uint32_t format_count,
563 mutex_lock(&dev->mode_config.mutex);
566 drm_mode_object_get(dev, &plane->base, DRM_MODE_OBJECT_PLANE);
567 plane->funcs = funcs;
568 plane->format_types = kmalloc(sizeof(uint32_t) * format_count,
570 if (!plane->format_types) {
571 DRM_DEBUG_KMS("out of memory when allocating plane\n");
572 drm_mode_object_put(dev, &plane->base);
573 mutex_unlock(&dev->mode_config.mutex);
577 memcpy(plane->format_types, formats, format_count * sizeof(uint32_t));
578 plane->format_count = format_count;
579 plane->possible_crtcs = possible_crtcs;
581 /* private planes are not exposed to userspace, but depending on
582 * display hardware, might be convenient to allow sharing programming
583 * for the scanout engine with the crtc implementation.
586 list_add_tail(&plane->head, &dev->mode_config.plane_list);
587 dev->mode_config.num_plane++;
589 INIT_LIST_HEAD(&plane->head);
592 mutex_unlock(&dev->mode_config.mutex);
596 EXPORT_SYMBOL(drm_plane_init);
598 void drm_plane_cleanup(struct drm_plane *plane)
600 struct drm_device *dev = plane->dev;
602 mutex_lock(&dev->mode_config.mutex);
603 kfree(plane->format_types);
604 drm_mode_object_put(dev, &plane->base);
605 /* if not added to a list, it must be a private plane */
606 if (!list_empty(&plane->head)) {
607 list_del(&plane->head);
608 dev->mode_config.num_plane--;
610 mutex_unlock(&dev->mode_config.mutex);
612 EXPORT_SYMBOL(drm_plane_cleanup);
615 * drm_mode_create - create a new display mode
619 * Caller must hold DRM mode_config lock.
621 * Create a new drm_display_mode, give it an ID, and return it.
624 * Pointer to new mode on success, NULL on error.
626 struct drm_display_mode *drm_mode_create(struct drm_device *dev)
628 struct drm_display_mode *nmode;
630 nmode = kzalloc(sizeof(struct drm_display_mode), GFP_KERNEL);
634 drm_mode_object_get(dev, &nmode->base, DRM_MODE_OBJECT_MODE);
637 EXPORT_SYMBOL(drm_mode_create);
640 * drm_mode_destroy - remove a mode
642 * @mode: mode to remove
645 * Caller must hold mode config lock.
647 * Free @mode's unique identifier, then free it.
649 void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode)
651 drm_mode_object_put(dev, &mode->base);
655 EXPORT_SYMBOL(drm_mode_destroy);
657 static int drm_mode_create_standard_connector_properties(struct drm_device *dev)
659 struct drm_property *edid;
660 struct drm_property *dpms;
664 * Standard properties (apply to all connectors)
666 edid = drm_property_create(dev, DRM_MODE_PROP_BLOB |
667 DRM_MODE_PROP_IMMUTABLE,
669 dev->mode_config.edid_property = edid;
671 dpms = drm_property_create(dev, DRM_MODE_PROP_ENUM,
672 "DPMS", ARRAY_SIZE(drm_dpms_enum_list));
673 for (i = 0; i < ARRAY_SIZE(drm_dpms_enum_list); i++)
674 drm_property_add_enum(dpms, i, drm_dpms_enum_list[i].type,
675 drm_dpms_enum_list[i].name);
676 dev->mode_config.dpms_property = dpms;
682 * drm_mode_create_dvi_i_properties - create DVI-I specific connector properties
685 * Called by a driver the first time a DVI-I connector is made.
687 int drm_mode_create_dvi_i_properties(struct drm_device *dev)
689 struct drm_property *dvi_i_selector;
690 struct drm_property *dvi_i_subconnector;
693 if (dev->mode_config.dvi_i_select_subconnector_property)
697 drm_property_create(dev, DRM_MODE_PROP_ENUM,
698 "select subconnector",
699 ARRAY_SIZE(drm_dvi_i_select_enum_list));
700 for (i = 0; i < ARRAY_SIZE(drm_dvi_i_select_enum_list); i++)
701 drm_property_add_enum(dvi_i_selector, i,
702 drm_dvi_i_select_enum_list[i].type,
703 drm_dvi_i_select_enum_list[i].name);
704 dev->mode_config.dvi_i_select_subconnector_property = dvi_i_selector;
707 drm_property_create(dev, DRM_MODE_PROP_ENUM |
708 DRM_MODE_PROP_IMMUTABLE,
710 ARRAY_SIZE(drm_dvi_i_subconnector_enum_list));
711 for (i = 0; i < ARRAY_SIZE(drm_dvi_i_subconnector_enum_list); i++)
712 drm_property_add_enum(dvi_i_subconnector, i,
713 drm_dvi_i_subconnector_enum_list[i].type,
714 drm_dvi_i_subconnector_enum_list[i].name);
715 dev->mode_config.dvi_i_subconnector_property = dvi_i_subconnector;
719 EXPORT_SYMBOL(drm_mode_create_dvi_i_properties);
722 * drm_create_tv_properties - create TV specific connector properties
724 * @num_modes: number of different TV formats (modes) supported
725 * @modes: array of pointers to strings containing name of each format
727 * Called by a driver's TV initialization routine, this function creates
728 * the TV specific connector properties for a given device. Caller is
729 * responsible for allocating a list of format names and passing them to
732 int drm_mode_create_tv_properties(struct drm_device *dev, int num_modes,
735 struct drm_property *tv_selector;
736 struct drm_property *tv_subconnector;
739 if (dev->mode_config.tv_select_subconnector_property)
743 * Basic connector properties
745 tv_selector = drm_property_create(dev, DRM_MODE_PROP_ENUM,
746 "select subconnector",
747 ARRAY_SIZE(drm_tv_select_enum_list));
748 for (i = 0; i < ARRAY_SIZE(drm_tv_select_enum_list); i++)
749 drm_property_add_enum(tv_selector, i,
750 drm_tv_select_enum_list[i].type,
751 drm_tv_select_enum_list[i].name);
752 dev->mode_config.tv_select_subconnector_property = tv_selector;
755 drm_property_create(dev, DRM_MODE_PROP_ENUM |
756 DRM_MODE_PROP_IMMUTABLE, "subconnector",
757 ARRAY_SIZE(drm_tv_subconnector_enum_list));
758 for (i = 0; i < ARRAY_SIZE(drm_tv_subconnector_enum_list); i++)
759 drm_property_add_enum(tv_subconnector, i,
760 drm_tv_subconnector_enum_list[i].type,
761 drm_tv_subconnector_enum_list[i].name);
762 dev->mode_config.tv_subconnector_property = tv_subconnector;
765 * Other, TV specific properties: margins & TV modes.
767 dev->mode_config.tv_left_margin_property =
768 drm_property_create(dev, DRM_MODE_PROP_RANGE,
770 dev->mode_config.tv_left_margin_property->values[0] = 0;
771 dev->mode_config.tv_left_margin_property->values[1] = 100;
773 dev->mode_config.tv_right_margin_property =
774 drm_property_create(dev, DRM_MODE_PROP_RANGE,
776 dev->mode_config.tv_right_margin_property->values[0] = 0;
777 dev->mode_config.tv_right_margin_property->values[1] = 100;
779 dev->mode_config.tv_top_margin_property =
780 drm_property_create(dev, DRM_MODE_PROP_RANGE,
782 dev->mode_config.tv_top_margin_property->values[0] = 0;
783 dev->mode_config.tv_top_margin_property->values[1] = 100;
785 dev->mode_config.tv_bottom_margin_property =
786 drm_property_create(dev, DRM_MODE_PROP_RANGE,
788 dev->mode_config.tv_bottom_margin_property->values[0] = 0;
789 dev->mode_config.tv_bottom_margin_property->values[1] = 100;
791 dev->mode_config.tv_mode_property =
792 drm_property_create(dev, DRM_MODE_PROP_ENUM,
794 for (i = 0; i < num_modes; i++)
795 drm_property_add_enum(dev->mode_config.tv_mode_property, i,
798 dev->mode_config.tv_brightness_property =
799 drm_property_create(dev, DRM_MODE_PROP_RANGE,
801 dev->mode_config.tv_brightness_property->values[0] = 0;
802 dev->mode_config.tv_brightness_property->values[1] = 100;
804 dev->mode_config.tv_contrast_property =
805 drm_property_create(dev, DRM_MODE_PROP_RANGE,
807 dev->mode_config.tv_contrast_property->values[0] = 0;
808 dev->mode_config.tv_contrast_property->values[1] = 100;
810 dev->mode_config.tv_flicker_reduction_property =
811 drm_property_create(dev, DRM_MODE_PROP_RANGE,
812 "flicker reduction", 2);
813 dev->mode_config.tv_flicker_reduction_property->values[0] = 0;
814 dev->mode_config.tv_flicker_reduction_property->values[1] = 100;
816 dev->mode_config.tv_overscan_property =
817 drm_property_create(dev, DRM_MODE_PROP_RANGE,
819 dev->mode_config.tv_overscan_property->values[0] = 0;
820 dev->mode_config.tv_overscan_property->values[1] = 100;
822 dev->mode_config.tv_saturation_property =
823 drm_property_create(dev, DRM_MODE_PROP_RANGE,
825 dev->mode_config.tv_saturation_property->values[0] = 0;
826 dev->mode_config.tv_saturation_property->values[1] = 100;
828 dev->mode_config.tv_hue_property =
829 drm_property_create(dev, DRM_MODE_PROP_RANGE,
831 dev->mode_config.tv_hue_property->values[0] = 0;
832 dev->mode_config.tv_hue_property->values[1] = 100;
836 EXPORT_SYMBOL(drm_mode_create_tv_properties);
839 * drm_mode_create_scaling_mode_property - create scaling mode property
842 * Called by a driver the first time it's needed, must be attached to desired
845 int drm_mode_create_scaling_mode_property(struct drm_device *dev)
847 struct drm_property *scaling_mode;
850 if (dev->mode_config.scaling_mode_property)
854 drm_property_create(dev, DRM_MODE_PROP_ENUM, "scaling mode",
855 ARRAY_SIZE(drm_scaling_mode_enum_list));
856 for (i = 0; i < ARRAY_SIZE(drm_scaling_mode_enum_list); i++)
857 drm_property_add_enum(scaling_mode, i,
858 drm_scaling_mode_enum_list[i].type,
859 drm_scaling_mode_enum_list[i].name);
861 dev->mode_config.scaling_mode_property = scaling_mode;
865 EXPORT_SYMBOL(drm_mode_create_scaling_mode_property);
868 * drm_mode_create_dithering_property - create dithering property
871 * Called by a driver the first time it's needed, must be attached to desired
874 int drm_mode_create_dithering_property(struct drm_device *dev)
876 struct drm_property *dithering_mode;
879 if (dev->mode_config.dithering_mode_property)
883 drm_property_create(dev, DRM_MODE_PROP_ENUM, "dithering",
884 ARRAY_SIZE(drm_dithering_mode_enum_list));
885 for (i = 0; i < ARRAY_SIZE(drm_dithering_mode_enum_list); i++)
886 drm_property_add_enum(dithering_mode, i,
887 drm_dithering_mode_enum_list[i].type,
888 drm_dithering_mode_enum_list[i].name);
889 dev->mode_config.dithering_mode_property = dithering_mode;
893 EXPORT_SYMBOL(drm_mode_create_dithering_property);
896 * drm_mode_create_dirty_property - create dirty property
899 * Called by a driver the first time it's needed, must be attached to desired
902 int drm_mode_create_dirty_info_property(struct drm_device *dev)
904 struct drm_property *dirty_info;
907 if (dev->mode_config.dirty_info_property)
911 drm_property_create(dev, DRM_MODE_PROP_ENUM |
912 DRM_MODE_PROP_IMMUTABLE,
914 ARRAY_SIZE(drm_dirty_info_enum_list));
915 for (i = 0; i < ARRAY_SIZE(drm_dirty_info_enum_list); i++)
916 drm_property_add_enum(dirty_info, i,
917 drm_dirty_info_enum_list[i].type,
918 drm_dirty_info_enum_list[i].name);
919 dev->mode_config.dirty_info_property = dirty_info;
923 EXPORT_SYMBOL(drm_mode_create_dirty_info_property);
926 * drm_mode_config_init - initialize DRM mode_configuration structure
930 * None, should happen single threaded at init time.
932 * Initialize @dev's mode_config structure, used for tracking the graphics
933 * configuration of @dev.
935 void drm_mode_config_init(struct drm_device *dev)
937 mutex_init(&dev->mode_config.mutex);
938 mutex_init(&dev->mode_config.idr_mutex);
939 INIT_LIST_HEAD(&dev->mode_config.fb_list);
940 INIT_LIST_HEAD(&dev->mode_config.crtc_list);
941 INIT_LIST_HEAD(&dev->mode_config.connector_list);
942 INIT_LIST_HEAD(&dev->mode_config.encoder_list);
943 INIT_LIST_HEAD(&dev->mode_config.property_list);
944 INIT_LIST_HEAD(&dev->mode_config.property_blob_list);
945 INIT_LIST_HEAD(&dev->mode_config.plane_list);
946 idr_init(&dev->mode_config.crtc_idr);
948 mutex_lock(&dev->mode_config.mutex);
949 drm_mode_create_standard_connector_properties(dev);
950 mutex_unlock(&dev->mode_config.mutex);
952 /* Just to be sure */
953 dev->mode_config.num_fb = 0;
954 dev->mode_config.num_connector = 0;
955 dev->mode_config.num_crtc = 0;
956 dev->mode_config.num_encoder = 0;
958 EXPORT_SYMBOL(drm_mode_config_init);
960 int drm_mode_group_init(struct drm_device *dev, struct drm_mode_group *group)
962 uint32_t total_objects = 0;
964 total_objects += dev->mode_config.num_crtc;
965 total_objects += dev->mode_config.num_connector;
966 total_objects += dev->mode_config.num_encoder;
968 group->id_list = kzalloc(total_objects * sizeof(uint32_t), GFP_KERNEL);
972 group->num_crtcs = 0;
973 group->num_connectors = 0;
974 group->num_encoders = 0;
978 int drm_mode_group_init_legacy_group(struct drm_device *dev,
979 struct drm_mode_group *group)
981 struct drm_crtc *crtc;
982 struct drm_encoder *encoder;
983 struct drm_connector *connector;
986 if ((ret = drm_mode_group_init(dev, group)))
989 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head)
990 group->id_list[group->num_crtcs++] = crtc->base.id;
992 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head)
993 group->id_list[group->num_crtcs + group->num_encoders++] =
996 list_for_each_entry(connector, &dev->mode_config.connector_list, head)
997 group->id_list[group->num_crtcs + group->num_encoders +
998 group->num_connectors++] = connector->base.id;
1004 * drm_mode_config_cleanup - free up DRM mode_config info
1008 * Caller must hold mode config lock.
1010 * Free up all the connectors and CRTCs associated with this DRM device, then
1011 * free up the framebuffers and associated buffer objects.
1013 * FIXME: cleanup any dangling user buffer objects too
1015 void drm_mode_config_cleanup(struct drm_device *dev)
1017 struct drm_connector *connector, *ot;
1018 struct drm_crtc *crtc, *ct;
1019 struct drm_encoder *encoder, *enct;
1020 struct drm_framebuffer *fb, *fbt;
1021 struct drm_property *property, *pt;
1022 struct drm_plane *plane, *plt;
1024 list_for_each_entry_safe(encoder, enct, &dev->mode_config.encoder_list,
1026 encoder->funcs->destroy(encoder);
1029 list_for_each_entry_safe(connector, ot,
1030 &dev->mode_config.connector_list, head) {
1031 connector->funcs->destroy(connector);
1034 list_for_each_entry_safe(property, pt, &dev->mode_config.property_list,
1036 drm_property_destroy(dev, property);
1039 list_for_each_entry_safe(fb, fbt, &dev->mode_config.fb_list, head) {
1040 fb->funcs->destroy(fb);
1043 list_for_each_entry_safe(crtc, ct, &dev->mode_config.crtc_list, head) {
1044 crtc->funcs->destroy(crtc);
1047 list_for_each_entry_safe(plane, plt, &dev->mode_config.plane_list,
1049 plane->funcs->destroy(plane);
1052 EXPORT_SYMBOL(drm_mode_config_cleanup);
1055 * drm_crtc_convert_to_umode - convert a drm_display_mode into a modeinfo
1056 * @out: drm_mode_modeinfo struct to return to the user
1057 * @in: drm_display_mode to use
1062 * Convert a drm_display_mode into a drm_mode_modeinfo structure to return to
1065 void drm_crtc_convert_to_umode(struct drm_mode_modeinfo *out,
1066 struct drm_display_mode *in)
1068 out->clock = in->clock;
1069 out->hdisplay = in->hdisplay;
1070 out->hsync_start = in->hsync_start;
1071 out->hsync_end = in->hsync_end;
1072 out->htotal = in->htotal;
1073 out->hskew = in->hskew;
1074 out->vdisplay = in->vdisplay;
1075 out->vsync_start = in->vsync_start;
1076 out->vsync_end = in->vsync_end;
1077 out->vtotal = in->vtotal;
1078 out->vscan = in->vscan;
1079 out->vrefresh = in->vrefresh;
1080 out->flags = in->flags;
1081 out->type = in->type;
1082 strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN);
1083 out->name[DRM_DISPLAY_MODE_LEN-1] = 0;
1087 * drm_crtc_convert_to_umode - convert a modeinfo into a drm_display_mode
1088 * @out: drm_display_mode to return to the user
1089 * @in: drm_mode_modeinfo to use
1094 * Convert a drm_mode_modeinfo into a drm_display_mode structure to return to
1097 void drm_crtc_convert_umode(struct drm_display_mode *out,
1098 struct drm_mode_modeinfo *in)
1100 out->clock = in->clock;
1101 out->hdisplay = in->hdisplay;
1102 out->hsync_start = in->hsync_start;
1103 out->hsync_end = in->hsync_end;
1104 out->htotal = in->htotal;
1105 out->hskew = in->hskew;
1106 out->vdisplay = in->vdisplay;
1107 out->vsync_start = in->vsync_start;
1108 out->vsync_end = in->vsync_end;
1109 out->vtotal = in->vtotal;
1110 out->vscan = in->vscan;
1111 out->vrefresh = in->vrefresh;
1112 out->flags = in->flags;
1113 out->type = in->type;
1114 strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN);
1115 out->name[DRM_DISPLAY_MODE_LEN-1] = 0;
1119 * drm_mode_getresources - get graphics configuration
1120 * @inode: inode from the ioctl
1121 * @filp: file * from the ioctl
1122 * @cmd: cmd from ioctl
1123 * @arg: arg from ioctl
1126 * Takes mode config lock.
1128 * Construct a set of configuration description structures and return
1129 * them to the user, including CRTC, connector and framebuffer configuration.
1131 * Called by the user via ioctl.
1134 * Zero on success, errno on failure.
1136 int drm_mode_getresources(struct drm_device *dev, void *data,
1137 struct drm_file *file_priv)
1139 struct drm_mode_card_res *card_res = data;
1140 struct list_head *lh;
1141 struct drm_framebuffer *fb;
1142 struct drm_connector *connector;
1143 struct drm_crtc *crtc;
1144 struct drm_encoder *encoder;
1146 int connector_count = 0;
1149 int encoder_count = 0;
1151 uint32_t __user *fb_id;
1152 uint32_t __user *crtc_id;
1153 uint32_t __user *connector_id;
1154 uint32_t __user *encoder_id;
1155 struct drm_mode_group *mode_group;
1157 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1160 mutex_lock(&dev->mode_config.mutex);
1163 * For the non-control nodes we need to limit the list of resources
1164 * by IDs in the group list for this node
1166 list_for_each(lh, &file_priv->fbs)
1169 mode_group = &file_priv->master->minor->mode_group;
1170 if (file_priv->master->minor->type == DRM_MINOR_CONTROL) {
1172 list_for_each(lh, &dev->mode_config.crtc_list)
1175 list_for_each(lh, &dev->mode_config.connector_list)
1178 list_for_each(lh, &dev->mode_config.encoder_list)
1182 crtc_count = mode_group->num_crtcs;
1183 connector_count = mode_group->num_connectors;
1184 encoder_count = mode_group->num_encoders;
1187 card_res->max_height = dev->mode_config.max_height;
1188 card_res->min_height = dev->mode_config.min_height;
1189 card_res->max_width = dev->mode_config.max_width;
1190 card_res->min_width = dev->mode_config.min_width;
1192 /* handle this in 4 parts */
1194 if (card_res->count_fbs >= fb_count) {
1196 fb_id = (uint32_t __user *)(unsigned long)card_res->fb_id_ptr;
1197 list_for_each_entry(fb, &file_priv->fbs, filp_head) {
1198 if (put_user(fb->base.id, fb_id + copied)) {
1205 card_res->count_fbs = fb_count;
1208 if (card_res->count_crtcs >= crtc_count) {
1210 crtc_id = (uint32_t __user *)(unsigned long)card_res->crtc_id_ptr;
1211 if (file_priv->master->minor->type == DRM_MINOR_CONTROL) {
1212 list_for_each_entry(crtc, &dev->mode_config.crtc_list,
1214 DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id);
1215 if (put_user(crtc->base.id, crtc_id + copied)) {
1222 for (i = 0; i < mode_group->num_crtcs; i++) {
1223 if (put_user(mode_group->id_list[i],
1224 crtc_id + copied)) {
1232 card_res->count_crtcs = crtc_count;
1235 if (card_res->count_encoders >= encoder_count) {
1237 encoder_id = (uint32_t __user *)(unsigned long)card_res->encoder_id_ptr;
1238 if (file_priv->master->minor->type == DRM_MINOR_CONTROL) {
1239 list_for_each_entry(encoder,
1240 &dev->mode_config.encoder_list,
1242 DRM_DEBUG_KMS("[ENCODER:%d:%s]\n", encoder->base.id,
1243 drm_get_encoder_name(encoder));
1244 if (put_user(encoder->base.id, encoder_id +
1252 for (i = mode_group->num_crtcs; i < mode_group->num_crtcs + mode_group->num_encoders; i++) {
1253 if (put_user(mode_group->id_list[i],
1254 encoder_id + copied)) {
1263 card_res->count_encoders = encoder_count;
1266 if (card_res->count_connectors >= connector_count) {
1268 connector_id = (uint32_t __user *)(unsigned long)card_res->connector_id_ptr;
1269 if (file_priv->master->minor->type == DRM_MINOR_CONTROL) {
1270 list_for_each_entry(connector,
1271 &dev->mode_config.connector_list,
1273 DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
1275 drm_get_connector_name(connector));
1276 if (put_user(connector->base.id,
1277 connector_id + copied)) {
1284 int start = mode_group->num_crtcs +
1285 mode_group->num_encoders;
1286 for (i = start; i < start + mode_group->num_connectors; i++) {
1287 if (put_user(mode_group->id_list[i],
1288 connector_id + copied)) {
1296 card_res->count_connectors = connector_count;
1298 DRM_DEBUG_KMS("CRTC[%d] CONNECTORS[%d] ENCODERS[%d]\n", card_res->count_crtcs,
1299 card_res->count_connectors, card_res->count_encoders);
1302 mutex_unlock(&dev->mode_config.mutex);
1307 * drm_mode_getcrtc - get CRTC configuration
1308 * @inode: inode from the ioctl
1309 * @filp: file * from the ioctl
1310 * @cmd: cmd from ioctl
1311 * @arg: arg from ioctl
1316 * Construct a CRTC configuration structure to return to the user.
1318 * Called by the user via ioctl.
1321 * Zero on success, errno on failure.
1323 int drm_mode_getcrtc(struct drm_device *dev,
1324 void *data, struct drm_file *file_priv)
1326 struct drm_mode_crtc *crtc_resp = data;
1327 struct drm_crtc *crtc;
1328 struct drm_mode_object *obj;
1331 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1334 mutex_lock(&dev->mode_config.mutex);
1336 obj = drm_mode_object_find(dev, crtc_resp->crtc_id,
1337 DRM_MODE_OBJECT_CRTC);
1342 crtc = obj_to_crtc(obj);
1344 crtc_resp->x = crtc->x;
1345 crtc_resp->y = crtc->y;
1346 crtc_resp->gamma_size = crtc->gamma_size;
1348 crtc_resp->fb_id = crtc->fb->base.id;
1350 crtc_resp->fb_id = 0;
1352 if (crtc->enabled) {
1354 drm_crtc_convert_to_umode(&crtc_resp->mode, &crtc->mode);
1355 crtc_resp->mode_valid = 1;
1358 crtc_resp->mode_valid = 0;
1362 mutex_unlock(&dev->mode_config.mutex);
1367 * drm_mode_getconnector - get connector configuration
1368 * @inode: inode from the ioctl
1369 * @filp: file * from the ioctl
1370 * @cmd: cmd from ioctl
1371 * @arg: arg from ioctl
1376 * Construct a connector configuration structure to return to the user.
1378 * Called by the user via ioctl.
1381 * Zero on success, errno on failure.
1383 int drm_mode_getconnector(struct drm_device *dev, void *data,
1384 struct drm_file *file_priv)
1386 struct drm_mode_get_connector *out_resp = data;
1387 struct drm_mode_object *obj;
1388 struct drm_connector *connector;
1389 struct drm_display_mode *mode;
1391 int props_count = 0;
1392 int encoders_count = 0;
1396 struct drm_mode_modeinfo u_mode;
1397 struct drm_mode_modeinfo __user *mode_ptr;
1398 uint32_t __user *prop_ptr;
1399 uint64_t __user *prop_values;
1400 uint32_t __user *encoder_ptr;
1402 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1405 memset(&u_mode, 0, sizeof(struct drm_mode_modeinfo));
1407 DRM_DEBUG_KMS("[CONNECTOR:%d:?]\n", out_resp->connector_id);
1409 mutex_lock(&dev->mode_config.mutex);
1411 obj = drm_mode_object_find(dev, out_resp->connector_id,
1412 DRM_MODE_OBJECT_CONNECTOR);
1417 connector = obj_to_connector(obj);
1419 for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
1420 if (connector->property_ids[i] != 0) {
1425 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1426 if (connector->encoder_ids[i] != 0) {
1431 if (out_resp->count_modes == 0) {
1432 connector->funcs->fill_modes(connector,
1433 dev->mode_config.max_width,
1434 dev->mode_config.max_height);
1437 /* delayed so we get modes regardless of pre-fill_modes state */
1438 list_for_each_entry(mode, &connector->modes, head)
1441 out_resp->connector_id = connector->base.id;
1442 out_resp->connector_type = connector->connector_type;
1443 out_resp->connector_type_id = connector->connector_type_id;
1444 out_resp->mm_width = connector->display_info.width_mm;
1445 out_resp->mm_height = connector->display_info.height_mm;
1446 out_resp->subpixel = connector->display_info.subpixel_order;
1447 out_resp->connection = connector->status;
1448 if (connector->encoder)
1449 out_resp->encoder_id = connector->encoder->base.id;
1451 out_resp->encoder_id = 0;
1454 * This ioctl is called twice, once to determine how much space is
1455 * needed, and the 2nd time to fill it.
1457 if ((out_resp->count_modes >= mode_count) && mode_count) {
1459 mode_ptr = (struct drm_mode_modeinfo __user *)(unsigned long)out_resp->modes_ptr;
1460 list_for_each_entry(mode, &connector->modes, head) {
1461 drm_crtc_convert_to_umode(&u_mode, mode);
1462 if (copy_to_user(mode_ptr + copied,
1463 &u_mode, sizeof(u_mode))) {
1470 out_resp->count_modes = mode_count;
1472 if ((out_resp->count_props >= props_count) && props_count) {
1474 prop_ptr = (uint32_t __user *)(unsigned long)(out_resp->props_ptr);
1475 prop_values = (uint64_t __user *)(unsigned long)(out_resp->prop_values_ptr);
1476 for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
1477 if (connector->property_ids[i] != 0) {
1478 if (put_user(connector->property_ids[i],
1479 prop_ptr + copied)) {
1484 if (put_user(connector->property_values[i],
1485 prop_values + copied)) {
1493 out_resp->count_props = props_count;
1495 if ((out_resp->count_encoders >= encoders_count) && encoders_count) {
1497 encoder_ptr = (uint32_t __user *)(unsigned long)(out_resp->encoders_ptr);
1498 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1499 if (connector->encoder_ids[i] != 0) {
1500 if (put_user(connector->encoder_ids[i],
1501 encoder_ptr + copied)) {
1509 out_resp->count_encoders = encoders_count;
1512 mutex_unlock(&dev->mode_config.mutex);
1516 int drm_mode_getencoder(struct drm_device *dev, void *data,
1517 struct drm_file *file_priv)
1519 struct drm_mode_get_encoder *enc_resp = data;
1520 struct drm_mode_object *obj;
1521 struct drm_encoder *encoder;
1524 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1527 mutex_lock(&dev->mode_config.mutex);
1528 obj = drm_mode_object_find(dev, enc_resp->encoder_id,
1529 DRM_MODE_OBJECT_ENCODER);
1534 encoder = obj_to_encoder(obj);
1537 enc_resp->crtc_id = encoder->crtc->base.id;
1539 enc_resp->crtc_id = 0;
1540 enc_resp->encoder_type = encoder->encoder_type;
1541 enc_resp->encoder_id = encoder->base.id;
1542 enc_resp->possible_crtcs = encoder->possible_crtcs;
1543 enc_resp->possible_clones = encoder->possible_clones;
1546 mutex_unlock(&dev->mode_config.mutex);
1551 * drm_mode_getplane_res - get plane info
1554 * @file_priv: DRM file info
1556 * Return an plane count and set of IDs.
1558 int drm_mode_getplane_res(struct drm_device *dev, void *data,
1559 struct drm_file *file_priv)
1561 struct drm_mode_get_plane_res *plane_resp = data;
1562 struct drm_mode_config *config;
1563 struct drm_plane *plane;
1564 uint32_t __user *plane_ptr;
1565 int copied = 0, ret = 0;
1567 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1570 mutex_lock(&dev->mode_config.mutex);
1571 config = &dev->mode_config;
1574 * This ioctl is called twice, once to determine how much space is
1575 * needed, and the 2nd time to fill it.
1577 if (config->num_plane &&
1578 (plane_resp->count_planes >= config->num_plane)) {
1579 plane_ptr = (uint32_t __user *)(unsigned long)plane_resp->plane_id_ptr;
1581 list_for_each_entry(plane, &config->plane_list, head) {
1582 if (put_user(plane->base.id, plane_ptr + copied)) {
1589 plane_resp->count_planes = config->num_plane;
1592 mutex_unlock(&dev->mode_config.mutex);
1597 * drm_mode_getplane - get plane info
1600 * @file_priv: DRM file info
1602 * Return plane info, including formats supported, gamma size, any
1605 int drm_mode_getplane(struct drm_device *dev, void *data,
1606 struct drm_file *file_priv)
1608 struct drm_mode_get_plane *plane_resp = data;
1609 struct drm_mode_object *obj;
1610 struct drm_plane *plane;
1611 uint32_t __user *format_ptr;
1614 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1617 mutex_lock(&dev->mode_config.mutex);
1618 obj = drm_mode_object_find(dev, plane_resp->plane_id,
1619 DRM_MODE_OBJECT_PLANE);
1624 plane = obj_to_plane(obj);
1627 plane_resp->crtc_id = plane->crtc->base.id;
1629 plane_resp->crtc_id = 0;
1632 plane_resp->fb_id = plane->fb->base.id;
1634 plane_resp->fb_id = 0;
1636 plane_resp->plane_id = plane->base.id;
1637 plane_resp->possible_crtcs = plane->possible_crtcs;
1638 plane_resp->gamma_size = plane->gamma_size;
1641 * This ioctl is called twice, once to determine how much space is
1642 * needed, and the 2nd time to fill it.
1644 if (plane->format_count &&
1645 (plane_resp->count_format_types >= plane->format_count)) {
1646 format_ptr = (uint32_t __user *)(unsigned long)plane_resp->format_type_ptr;
1647 if (copy_to_user(format_ptr,
1648 plane->format_types,
1649 sizeof(uint32_t) * plane->format_count)) {
1654 plane_resp->count_format_types = plane->format_count;
1657 mutex_unlock(&dev->mode_config.mutex);
1662 * drm_mode_setplane - set up or tear down an plane
1664 * @data: ioctl data*
1665 * @file_prive: DRM file info
1667 * Set plane info, including placement, fb, scaling, and other factors.
1668 * Or pass a NULL fb to disable.
1670 int drm_mode_setplane(struct drm_device *dev, void *data,
1671 struct drm_file *file_priv)
1673 struct drm_mode_set_plane *plane_req = data;
1674 struct drm_mode_object *obj;
1675 struct drm_plane *plane;
1676 struct drm_crtc *crtc;
1677 struct drm_framebuffer *fb;
1679 unsigned int fb_width, fb_height;
1682 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1685 mutex_lock(&dev->mode_config.mutex);
1688 * First, find the plane, crtc, and fb objects. If not available,
1689 * we don't bother to call the driver.
1691 obj = drm_mode_object_find(dev, plane_req->plane_id,
1692 DRM_MODE_OBJECT_PLANE);
1694 DRM_DEBUG_KMS("Unknown plane ID %d\n",
1695 plane_req->plane_id);
1699 plane = obj_to_plane(obj);
1701 /* No fb means shut it down */
1702 if (!plane_req->fb_id) {
1703 plane->funcs->disable_plane(plane);
1709 obj = drm_mode_object_find(dev, plane_req->crtc_id,
1710 DRM_MODE_OBJECT_CRTC);
1712 DRM_DEBUG_KMS("Unknown crtc ID %d\n",
1713 plane_req->crtc_id);
1717 crtc = obj_to_crtc(obj);
1719 obj = drm_mode_object_find(dev, plane_req->fb_id,
1720 DRM_MODE_OBJECT_FB);
1722 DRM_DEBUG_KMS("Unknown framebuffer ID %d\n",
1727 fb = obj_to_fb(obj);
1729 /* Check whether this plane supports the fb pixel format. */
1730 for (i = 0; i < plane->format_count; i++)
1731 if (fb->pixel_format == plane->format_types[i])
1733 if (i == plane->format_count) {
1734 DRM_DEBUG_KMS("Invalid pixel format 0x%08x\n", fb->pixel_format);
1739 fb_width = fb->width << 16;
1740 fb_height = fb->height << 16;
1742 /* Make sure source coordinates are inside the fb. */
1743 if (plane_req->src_w > fb_width ||
1744 plane_req->src_x > fb_width - plane_req->src_w ||
1745 plane_req->src_h > fb_height ||
1746 plane_req->src_y > fb_height - plane_req->src_h) {
1747 DRM_DEBUG_KMS("Invalid source coordinates "
1748 "%u.%06ux%u.%06u+%u.%06u+%u.%06u\n",
1749 plane_req->src_w >> 16,
1750 ((plane_req->src_w & 0xffff) * 15625) >> 10,
1751 plane_req->src_h >> 16,
1752 ((plane_req->src_h & 0xffff) * 15625) >> 10,
1753 plane_req->src_x >> 16,
1754 ((plane_req->src_x & 0xffff) * 15625) >> 10,
1755 plane_req->src_y >> 16,
1756 ((plane_req->src_y & 0xffff) * 15625) >> 10);
1761 /* Give drivers some help against integer overflows */
1762 if (plane_req->crtc_w > INT_MAX ||
1763 plane_req->crtc_x > INT_MAX - (int32_t) plane_req->crtc_w ||
1764 plane_req->crtc_h > INT_MAX ||
1765 plane_req->crtc_y > INT_MAX - (int32_t) plane_req->crtc_h) {
1766 DRM_DEBUG_KMS("Invalid CRTC coordinates %ux%u+%d+%d\n",
1767 plane_req->crtc_w, plane_req->crtc_h,
1768 plane_req->crtc_x, plane_req->crtc_y);
1773 ret = plane->funcs->update_plane(plane, crtc, fb,
1774 plane_req->crtc_x, plane_req->crtc_y,
1775 plane_req->crtc_w, plane_req->crtc_h,
1776 plane_req->src_x, plane_req->src_y,
1777 plane_req->src_w, plane_req->src_h);
1784 mutex_unlock(&dev->mode_config.mutex);
1790 * drm_mode_setcrtc - set CRTC configuration
1791 * @inode: inode from the ioctl
1792 * @filp: file * from the ioctl
1793 * @cmd: cmd from ioctl
1794 * @arg: arg from ioctl
1799 * Build a new CRTC configuration based on user request.
1801 * Called by the user via ioctl.
1804 * Zero on success, errno on failure.
1806 int drm_mode_setcrtc(struct drm_device *dev, void *data,
1807 struct drm_file *file_priv)
1809 struct drm_mode_config *config = &dev->mode_config;
1810 struct drm_mode_crtc *crtc_req = data;
1811 struct drm_mode_object *obj;
1812 struct drm_crtc *crtc, *crtcfb;
1813 struct drm_connector **connector_set = NULL, *connector;
1814 struct drm_framebuffer *fb = NULL;
1815 struct drm_display_mode *mode = NULL;
1816 struct drm_mode_set set;
1817 uint32_t __user *set_connectors_ptr;
1821 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1824 mutex_lock(&dev->mode_config.mutex);
1825 obj = drm_mode_object_find(dev, crtc_req->crtc_id,
1826 DRM_MODE_OBJECT_CRTC);
1828 DRM_DEBUG_KMS("Unknown CRTC ID %d\n", crtc_req->crtc_id);
1832 crtc = obj_to_crtc(obj);
1833 DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id);
1835 if (crtc_req->mode_valid) {
1836 /* If we have a mode we need a framebuffer. */
1837 /* If we pass -1, set the mode with the currently bound fb */
1838 if (crtc_req->fb_id == -1) {
1839 list_for_each_entry(crtcfb,
1840 &dev->mode_config.crtc_list, head) {
1841 if (crtcfb == crtc) {
1842 DRM_DEBUG_KMS("Using current fb for "
1848 obj = drm_mode_object_find(dev, crtc_req->fb_id,
1849 DRM_MODE_OBJECT_FB);
1851 DRM_DEBUG_KMS("Unknown FB ID%d\n",
1856 fb = obj_to_fb(obj);
1859 mode = drm_mode_create(dev);
1860 drm_crtc_convert_umode(mode, &crtc_req->mode);
1861 drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V);
1864 if (crtc_req->count_connectors == 0 && mode) {
1865 DRM_DEBUG_KMS("Count connectors is 0 but mode set\n");
1870 if (crtc_req->count_connectors > 0 && (!mode || !fb)) {
1871 DRM_DEBUG_KMS("Count connectors is %d but no mode or fb set\n",
1872 crtc_req->count_connectors);
1877 if (crtc_req->count_connectors > 0) {
1880 /* Avoid unbounded kernel memory allocation */
1881 if (crtc_req->count_connectors > config->num_connector) {
1886 connector_set = kmalloc(crtc_req->count_connectors *
1887 sizeof(struct drm_connector *),
1889 if (!connector_set) {
1894 for (i = 0; i < crtc_req->count_connectors; i++) {
1895 set_connectors_ptr = (uint32_t __user *)(unsigned long)crtc_req->set_connectors_ptr;
1896 if (get_user(out_id, &set_connectors_ptr[i])) {
1901 obj = drm_mode_object_find(dev, out_id,
1902 DRM_MODE_OBJECT_CONNECTOR);
1904 DRM_DEBUG_KMS("Connector id %d unknown\n",
1909 connector = obj_to_connector(obj);
1910 DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
1912 drm_get_connector_name(connector));
1914 connector_set[i] = connector;
1919 set.x = crtc_req->x;
1920 set.y = crtc_req->y;
1922 set.connectors = connector_set;
1923 set.num_connectors = crtc_req->count_connectors;
1925 ret = crtc->funcs->set_config(&set);
1928 kfree(connector_set);
1929 mutex_unlock(&dev->mode_config.mutex);
1933 int drm_mode_cursor_ioctl(struct drm_device *dev,
1934 void *data, struct drm_file *file_priv)
1936 struct drm_mode_cursor *req = data;
1937 struct drm_mode_object *obj;
1938 struct drm_crtc *crtc;
1941 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1947 mutex_lock(&dev->mode_config.mutex);
1948 obj = drm_mode_object_find(dev, req->crtc_id, DRM_MODE_OBJECT_CRTC);
1950 DRM_DEBUG_KMS("Unknown CRTC ID %d\n", req->crtc_id);
1954 crtc = obj_to_crtc(obj);
1956 if (req->flags & DRM_MODE_CURSOR_BO) {
1957 if (!crtc->funcs->cursor_set) {
1961 /* Turns off the cursor if handle is 0 */
1962 ret = crtc->funcs->cursor_set(crtc, file_priv, req->handle,
1963 req->width, req->height);
1966 if (req->flags & DRM_MODE_CURSOR_MOVE) {
1967 if (crtc->funcs->cursor_move) {
1968 ret = crtc->funcs->cursor_move(crtc, req->x, req->y);
1975 mutex_unlock(&dev->mode_config.mutex);
1979 /* Original addfb only supported RGB formats, so figure out which one */
1980 uint32_t drm_mode_legacy_fb_format(uint32_t bpp, uint32_t depth)
1986 fmt = DRM_FORMAT_RGB332;
1990 fmt = DRM_FORMAT_XRGB1555;
1992 fmt = DRM_FORMAT_RGB565;
1995 fmt = DRM_FORMAT_RGB888;
1999 fmt = DRM_FORMAT_XRGB8888;
2000 else if (depth == 30)
2001 fmt = DRM_FORMAT_XRGB2101010;
2003 fmt = DRM_FORMAT_ARGB8888;
2006 DRM_ERROR("bad bpp, assuming x8r8g8b8 pixel format\n");
2007 fmt = DRM_FORMAT_XRGB8888;
2013 EXPORT_SYMBOL(drm_mode_legacy_fb_format);
2016 * drm_mode_addfb - add an FB to the graphics configuration
2017 * @inode: inode from the ioctl
2018 * @filp: file * from the ioctl
2019 * @cmd: cmd from ioctl
2020 * @arg: arg from ioctl
2023 * Takes mode config lock.
2025 * Add a new FB to the specified CRTC, given a user request.
2027 * Called by the user via ioctl.
2030 * Zero on success, errno on failure.
2032 int drm_mode_addfb(struct drm_device *dev,
2033 void *data, struct drm_file *file_priv)
2035 struct drm_mode_fb_cmd *or = data;
2036 struct drm_mode_fb_cmd2 r = {};
2037 struct drm_mode_config *config = &dev->mode_config;
2038 struct drm_framebuffer *fb;
2041 /* Use new struct with format internally */
2042 r.fb_id = or->fb_id;
2043 r.width = or->width;
2044 r.height = or->height;
2045 r.pitches[0] = or->pitch;
2046 r.pixel_format = drm_mode_legacy_fb_format(or->bpp, or->depth);
2047 r.handles[0] = or->handle;
2049 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2052 if ((config->min_width > r.width) || (r.width > config->max_width))
2055 if ((config->min_height > r.height) || (r.height > config->max_height))
2058 mutex_lock(&dev->mode_config.mutex);
2060 /* TODO check buffer is sufficiently large */
2061 /* TODO setup destructor callback */
2063 fb = dev->mode_config.funcs->fb_create(dev, file_priv, &r);
2065 DRM_ERROR("could not create framebuffer\n");
2070 or->fb_id = fb->base.id;
2071 list_add(&fb->filp_head, &file_priv->fbs);
2072 DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id);
2075 mutex_unlock(&dev->mode_config.mutex);
2079 static int format_check(struct drm_mode_fb_cmd2 *r)
2081 uint32_t format = r->pixel_format & ~DRM_FORMAT_BIG_ENDIAN;
2085 case DRM_FORMAT_RGB332:
2086 case DRM_FORMAT_BGR233:
2087 case DRM_FORMAT_XRGB4444:
2088 case DRM_FORMAT_XBGR4444:
2089 case DRM_FORMAT_RGBX4444:
2090 case DRM_FORMAT_BGRX4444:
2091 case DRM_FORMAT_ARGB4444:
2092 case DRM_FORMAT_ABGR4444:
2093 case DRM_FORMAT_RGBA4444:
2094 case DRM_FORMAT_BGRA4444:
2095 case DRM_FORMAT_XRGB1555:
2096 case DRM_FORMAT_XBGR1555:
2097 case DRM_FORMAT_RGBX5551:
2098 case DRM_FORMAT_BGRX5551:
2099 case DRM_FORMAT_ARGB1555:
2100 case DRM_FORMAT_ABGR1555:
2101 case DRM_FORMAT_RGBA5551:
2102 case DRM_FORMAT_BGRA5551:
2103 case DRM_FORMAT_RGB565:
2104 case DRM_FORMAT_BGR565:
2105 case DRM_FORMAT_RGB888:
2106 case DRM_FORMAT_BGR888:
2107 case DRM_FORMAT_XRGB8888:
2108 case DRM_FORMAT_XBGR8888:
2109 case DRM_FORMAT_RGBX8888:
2110 case DRM_FORMAT_BGRX8888:
2111 case DRM_FORMAT_ARGB8888:
2112 case DRM_FORMAT_ABGR8888:
2113 case DRM_FORMAT_RGBA8888:
2114 case DRM_FORMAT_BGRA8888:
2115 case DRM_FORMAT_XRGB2101010:
2116 case DRM_FORMAT_XBGR2101010:
2117 case DRM_FORMAT_RGBX1010102:
2118 case DRM_FORMAT_BGRX1010102:
2119 case DRM_FORMAT_ARGB2101010:
2120 case DRM_FORMAT_ABGR2101010:
2121 case DRM_FORMAT_RGBA1010102:
2122 case DRM_FORMAT_BGRA1010102:
2123 case DRM_FORMAT_YUYV:
2124 case DRM_FORMAT_YVYU:
2125 case DRM_FORMAT_UYVY:
2126 case DRM_FORMAT_VYUY:
2127 case DRM_FORMAT_AYUV:
2128 case DRM_FORMAT_NV12:
2129 case DRM_FORMAT_NV21:
2130 case DRM_FORMAT_NV16:
2131 case DRM_FORMAT_NV61:
2132 case DRM_FORMAT_YUV410:
2133 case DRM_FORMAT_YVU410:
2134 case DRM_FORMAT_YUV411:
2135 case DRM_FORMAT_YVU411:
2136 case DRM_FORMAT_YUV420:
2137 case DRM_FORMAT_YVU420:
2138 case DRM_FORMAT_YUV422:
2139 case DRM_FORMAT_YVU422:
2140 case DRM_FORMAT_YUV444:
2141 case DRM_FORMAT_YVU444:
2149 * drm_mode_addfb2 - add an FB to the graphics configuration
2150 * @inode: inode from the ioctl
2151 * @filp: file * from the ioctl
2152 * @cmd: cmd from ioctl
2153 * @arg: arg from ioctl
2156 * Takes mode config lock.
2158 * Add a new FB to the specified CRTC, given a user request with format.
2160 * Called by the user via ioctl.
2163 * Zero on success, errno on failure.
2165 int drm_mode_addfb2(struct drm_device *dev,
2166 void *data, struct drm_file *file_priv)
2168 struct drm_mode_fb_cmd2 *r = data;
2169 struct drm_mode_config *config = &dev->mode_config;
2170 struct drm_framebuffer *fb;
2173 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2176 if ((config->min_width > r->width) || (r->width > config->max_width)) {
2177 DRM_ERROR("bad framebuffer width %d, should be >= %d && <= %d\n",
2178 r->width, config->min_width, config->max_width);
2181 if ((config->min_height > r->height) || (r->height > config->max_height)) {
2182 DRM_ERROR("bad framebuffer height %d, should be >= %d && <= %d\n",
2183 r->height, config->min_height, config->max_height);
2187 ret = format_check(r);
2189 DRM_ERROR("bad framebuffer format 0x%08x\n", r->pixel_format);
2193 mutex_lock(&dev->mode_config.mutex);
2195 fb = dev->mode_config.funcs->fb_create(dev, file_priv, r);
2197 DRM_ERROR("could not create framebuffer\n");
2202 r->fb_id = fb->base.id;
2203 list_add(&fb->filp_head, &file_priv->fbs);
2204 DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id);
2207 mutex_unlock(&dev->mode_config.mutex);
2212 * drm_mode_rmfb - remove an FB from the configuration
2213 * @inode: inode from the ioctl
2214 * @filp: file * from the ioctl
2215 * @cmd: cmd from ioctl
2216 * @arg: arg from ioctl
2219 * Takes mode config lock.
2221 * Remove the FB specified by the user.
2223 * Called by the user via ioctl.
2226 * Zero on success, errno on failure.
2228 int drm_mode_rmfb(struct drm_device *dev,
2229 void *data, struct drm_file *file_priv)
2231 struct drm_mode_object *obj;
2232 struct drm_framebuffer *fb = NULL;
2233 struct drm_framebuffer *fbl = NULL;
2234 uint32_t *id = data;
2238 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2241 mutex_lock(&dev->mode_config.mutex);
2242 obj = drm_mode_object_find(dev, *id, DRM_MODE_OBJECT_FB);
2243 /* TODO check that we really get a framebuffer back. */
2248 fb = obj_to_fb(obj);
2250 list_for_each_entry(fbl, &file_priv->fbs, filp_head)
2259 /* TODO release all crtc connected to the framebuffer */
2260 /* TODO unhock the destructor from the buffer object */
2262 list_del(&fb->filp_head);
2263 fb->funcs->destroy(fb);
2266 mutex_unlock(&dev->mode_config.mutex);
2271 * drm_mode_getfb - get FB info
2272 * @inode: inode from the ioctl
2273 * @filp: file * from the ioctl
2274 * @cmd: cmd from ioctl
2275 * @arg: arg from ioctl
2280 * Lookup the FB given its ID and return info about it.
2282 * Called by the user via ioctl.
2285 * Zero on success, errno on failure.
2287 int drm_mode_getfb(struct drm_device *dev,
2288 void *data, struct drm_file *file_priv)
2290 struct drm_mode_fb_cmd *r = data;
2291 struct drm_mode_object *obj;
2292 struct drm_framebuffer *fb;
2295 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2298 mutex_lock(&dev->mode_config.mutex);
2299 obj = drm_mode_object_find(dev, r->fb_id, DRM_MODE_OBJECT_FB);
2304 fb = obj_to_fb(obj);
2306 r->height = fb->height;
2307 r->width = fb->width;
2308 r->depth = fb->depth;
2309 r->bpp = fb->bits_per_pixel;
2310 r->pitch = fb->pitches[0];
2311 fb->funcs->create_handle(fb, file_priv, &r->handle);
2314 mutex_unlock(&dev->mode_config.mutex);
2318 int drm_mode_dirtyfb_ioctl(struct drm_device *dev,
2319 void *data, struct drm_file *file_priv)
2321 struct drm_clip_rect __user *clips_ptr;
2322 struct drm_clip_rect *clips = NULL;
2323 struct drm_mode_fb_dirty_cmd *r = data;
2324 struct drm_mode_object *obj;
2325 struct drm_framebuffer *fb;
2330 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2333 mutex_lock(&dev->mode_config.mutex);
2334 obj = drm_mode_object_find(dev, r->fb_id, DRM_MODE_OBJECT_FB);
2339 fb = obj_to_fb(obj);
2341 num_clips = r->num_clips;
2342 clips_ptr = (struct drm_clip_rect __user *)(unsigned long)r->clips_ptr;
2344 if (!num_clips != !clips_ptr) {
2349 flags = DRM_MODE_FB_DIRTY_FLAGS & r->flags;
2351 /* If userspace annotates copy, clips must come in pairs */
2352 if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY && (num_clips % 2)) {
2357 if (num_clips && clips_ptr) {
2358 if (num_clips < 0 || num_clips > DRM_MODE_FB_DIRTY_MAX_CLIPS) {
2362 clips = kzalloc(num_clips * sizeof(*clips), GFP_KERNEL);
2368 ret = copy_from_user(clips, clips_ptr,
2369 num_clips * sizeof(*clips));
2376 if (fb->funcs->dirty) {
2377 ret = fb->funcs->dirty(fb, file_priv, flags, r->color,
2387 mutex_unlock(&dev->mode_config.mutex);
2393 * drm_fb_release - remove and free the FBs on this file
2394 * @filp: file * from the ioctl
2397 * Takes mode config lock.
2399 * Destroy all the FBs associated with @filp.
2401 * Called by the user via ioctl.
2404 * Zero on success, errno on failure.
2406 void drm_fb_release(struct drm_file *priv)
2408 struct drm_device *dev = priv->minor->dev;
2409 struct drm_framebuffer *fb, *tfb;
2411 mutex_lock(&dev->mode_config.mutex);
2412 list_for_each_entry_safe(fb, tfb, &priv->fbs, filp_head) {
2413 list_del(&fb->filp_head);
2414 fb->funcs->destroy(fb);
2416 mutex_unlock(&dev->mode_config.mutex);
2420 * drm_mode_attachmode - add a mode to the user mode list
2422 * @connector: connector to add the mode to
2423 * @mode: mode to add
2425 * Add @mode to @connector's user mode list.
2427 static int drm_mode_attachmode(struct drm_device *dev,
2428 struct drm_connector *connector,
2429 struct drm_display_mode *mode)
2433 list_add_tail(&mode->head, &connector->user_modes);
2437 int drm_mode_attachmode_crtc(struct drm_device *dev, struct drm_crtc *crtc,
2438 struct drm_display_mode *mode)
2440 struct drm_connector *connector;
2442 struct drm_display_mode *dup_mode;
2444 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
2445 if (!connector->encoder)
2447 if (connector->encoder->crtc == crtc) {
2449 dup_mode = drm_mode_duplicate(dev, mode);
2452 ret = drm_mode_attachmode(dev, connector, dup_mode);
2460 EXPORT_SYMBOL(drm_mode_attachmode_crtc);
2462 static int drm_mode_detachmode(struct drm_device *dev,
2463 struct drm_connector *connector,
2464 struct drm_display_mode *mode)
2468 struct drm_display_mode *match_mode, *t;
2470 list_for_each_entry_safe(match_mode, t, &connector->user_modes, head) {
2471 if (drm_mode_equal(match_mode, mode)) {
2472 list_del(&match_mode->head);
2473 drm_mode_destroy(dev, match_mode);
2485 int drm_mode_detachmode_crtc(struct drm_device *dev, struct drm_display_mode *mode)
2487 struct drm_connector *connector;
2489 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
2490 drm_mode_detachmode(dev, connector, mode);
2494 EXPORT_SYMBOL(drm_mode_detachmode_crtc);
2497 * drm_fb_attachmode - Attach a user mode to an connector
2498 * @inode: inode from the ioctl
2499 * @filp: file * from the ioctl
2500 * @cmd: cmd from ioctl
2501 * @arg: arg from ioctl
2503 * This attaches a user specified mode to an connector.
2504 * Called by the user via ioctl.
2507 * Zero on success, errno on failure.
2509 int drm_mode_attachmode_ioctl(struct drm_device *dev,
2510 void *data, struct drm_file *file_priv)
2512 struct drm_mode_mode_cmd *mode_cmd = data;
2513 struct drm_connector *connector;
2514 struct drm_display_mode *mode;
2515 struct drm_mode_object *obj;
2516 struct drm_mode_modeinfo *umode = &mode_cmd->mode;
2519 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2522 mutex_lock(&dev->mode_config.mutex);
2524 obj = drm_mode_object_find(dev, mode_cmd->connector_id, DRM_MODE_OBJECT_CONNECTOR);
2529 connector = obj_to_connector(obj);
2531 mode = drm_mode_create(dev);
2537 drm_crtc_convert_umode(mode, umode);
2539 ret = drm_mode_attachmode(dev, connector, mode);
2541 mutex_unlock(&dev->mode_config.mutex);
2547 * drm_fb_detachmode - Detach a user specified mode from an connector
2548 * @inode: inode from the ioctl
2549 * @filp: file * from the ioctl
2550 * @cmd: cmd from ioctl
2551 * @arg: arg from ioctl
2553 * Called by the user via ioctl.
2556 * Zero on success, errno on failure.
2558 int drm_mode_detachmode_ioctl(struct drm_device *dev,
2559 void *data, struct drm_file *file_priv)
2561 struct drm_mode_object *obj;
2562 struct drm_mode_mode_cmd *mode_cmd = data;
2563 struct drm_connector *connector;
2564 struct drm_display_mode mode;
2565 struct drm_mode_modeinfo *umode = &mode_cmd->mode;
2568 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2571 mutex_lock(&dev->mode_config.mutex);
2573 obj = drm_mode_object_find(dev, mode_cmd->connector_id, DRM_MODE_OBJECT_CONNECTOR);
2578 connector = obj_to_connector(obj);
2580 drm_crtc_convert_umode(&mode, umode);
2581 ret = drm_mode_detachmode(dev, connector, &mode);
2583 mutex_unlock(&dev->mode_config.mutex);
2587 struct drm_property *drm_property_create(struct drm_device *dev, int flags,
2588 const char *name, int num_values)
2590 struct drm_property *property = NULL;
2592 property = kzalloc(sizeof(struct drm_property), GFP_KERNEL);
2597 property->values = kzalloc(sizeof(uint64_t)*num_values, GFP_KERNEL);
2598 if (!property->values)
2602 drm_mode_object_get(dev, &property->base, DRM_MODE_OBJECT_PROPERTY);
2603 property->flags = flags;
2604 property->num_values = num_values;
2605 INIT_LIST_HEAD(&property->enum_blob_list);
2608 strncpy(property->name, name, DRM_PROP_NAME_LEN);
2609 property->name[DRM_PROP_NAME_LEN-1] = '\0';
2612 list_add_tail(&property->head, &dev->mode_config.property_list);
2618 EXPORT_SYMBOL(drm_property_create);
2620 int drm_property_add_enum(struct drm_property *property, int index,
2621 uint64_t value, const char *name)
2623 struct drm_property_enum *prop_enum;
2625 if (!(property->flags & DRM_MODE_PROP_ENUM))
2628 if (!list_empty(&property->enum_blob_list)) {
2629 list_for_each_entry(prop_enum, &property->enum_blob_list, head) {
2630 if (prop_enum->value == value) {
2631 strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN);
2632 prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0';
2638 prop_enum = kzalloc(sizeof(struct drm_property_enum), GFP_KERNEL);
2642 strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN);
2643 prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0';
2644 prop_enum->value = value;
2646 property->values[index] = value;
2647 list_add_tail(&prop_enum->head, &property->enum_blob_list);
2650 EXPORT_SYMBOL(drm_property_add_enum);
2652 void drm_property_destroy(struct drm_device *dev, struct drm_property *property)
2654 struct drm_property_enum *prop_enum, *pt;
2656 list_for_each_entry_safe(prop_enum, pt, &property->enum_blob_list, head) {
2657 list_del(&prop_enum->head);
2661 if (property->num_values)
2662 kfree(property->values);
2663 drm_mode_object_put(dev, &property->base);
2664 list_del(&property->head);
2667 EXPORT_SYMBOL(drm_property_destroy);
2669 int drm_connector_attach_property(struct drm_connector *connector,
2670 struct drm_property *property, uint64_t init_val)
2674 for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
2675 if (connector->property_ids[i] == 0) {
2676 connector->property_ids[i] = property->base.id;
2677 connector->property_values[i] = init_val;
2682 if (i == DRM_CONNECTOR_MAX_PROPERTY)
2686 EXPORT_SYMBOL(drm_connector_attach_property);
2688 int drm_connector_property_set_value(struct drm_connector *connector,
2689 struct drm_property *property, uint64_t value)
2693 for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
2694 if (connector->property_ids[i] == property->base.id) {
2695 connector->property_values[i] = value;
2700 if (i == DRM_CONNECTOR_MAX_PROPERTY)
2704 EXPORT_SYMBOL(drm_connector_property_set_value);
2706 int drm_connector_property_get_value(struct drm_connector *connector,
2707 struct drm_property *property, uint64_t *val)
2711 for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
2712 if (connector->property_ids[i] == property->base.id) {
2713 *val = connector->property_values[i];
2718 if (i == DRM_CONNECTOR_MAX_PROPERTY)
2722 EXPORT_SYMBOL(drm_connector_property_get_value);
2724 int drm_mode_getproperty_ioctl(struct drm_device *dev,
2725 void *data, struct drm_file *file_priv)
2727 struct drm_mode_object *obj;
2728 struct drm_mode_get_property *out_resp = data;
2729 struct drm_property *property;
2732 int value_count = 0;
2735 struct drm_property_enum *prop_enum;
2736 struct drm_mode_property_enum __user *enum_ptr;
2737 struct drm_property_blob *prop_blob;
2738 uint32_t __user *blob_id_ptr;
2739 uint64_t __user *values_ptr;
2740 uint32_t __user *blob_length_ptr;
2742 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2745 mutex_lock(&dev->mode_config.mutex);
2746 obj = drm_mode_object_find(dev, out_resp->prop_id, DRM_MODE_OBJECT_PROPERTY);
2751 property = obj_to_property(obj);
2753 if (property->flags & DRM_MODE_PROP_ENUM) {
2754 list_for_each_entry(prop_enum, &property->enum_blob_list, head)
2756 } else if (property->flags & DRM_MODE_PROP_BLOB) {
2757 list_for_each_entry(prop_blob, &property->enum_blob_list, head)
2761 value_count = property->num_values;
2763 strncpy(out_resp->name, property->name, DRM_PROP_NAME_LEN);
2764 out_resp->name[DRM_PROP_NAME_LEN-1] = 0;
2765 out_resp->flags = property->flags;
2767 if ((out_resp->count_values >= value_count) && value_count) {
2768 values_ptr = (uint64_t __user *)(unsigned long)out_resp->values_ptr;
2769 for (i = 0; i < value_count; i++) {
2770 if (copy_to_user(values_ptr + i, &property->values[i], sizeof(uint64_t))) {
2776 out_resp->count_values = value_count;
2778 if (property->flags & DRM_MODE_PROP_ENUM) {
2779 if ((out_resp->count_enum_blobs >= enum_count) && enum_count) {
2781 enum_ptr = (struct drm_mode_property_enum __user *)(unsigned long)out_resp->enum_blob_ptr;
2782 list_for_each_entry(prop_enum, &property->enum_blob_list, head) {
2784 if (copy_to_user(&enum_ptr[copied].value, &prop_enum->value, sizeof(uint64_t))) {
2789 if (copy_to_user(&enum_ptr[copied].name,
2790 &prop_enum->name, DRM_PROP_NAME_LEN)) {
2797 out_resp->count_enum_blobs = enum_count;
2800 if (property->flags & DRM_MODE_PROP_BLOB) {
2801 if ((out_resp->count_enum_blobs >= blob_count) && blob_count) {
2803 blob_id_ptr = (uint32_t __user *)(unsigned long)out_resp->enum_blob_ptr;
2804 blob_length_ptr = (uint32_t __user *)(unsigned long)out_resp->values_ptr;
2806 list_for_each_entry(prop_blob, &property->enum_blob_list, head) {
2807 if (put_user(prop_blob->base.id, blob_id_ptr + copied)) {
2812 if (put_user(prop_blob->length, blob_length_ptr + copied)) {
2820 out_resp->count_enum_blobs = blob_count;
2823 mutex_unlock(&dev->mode_config.mutex);
2827 static struct drm_property_blob *drm_property_create_blob(struct drm_device *dev, int length,
2830 struct drm_property_blob *blob;
2832 if (!length || !data)
2835 blob = kzalloc(sizeof(struct drm_property_blob)+length, GFP_KERNEL);
2839 blob->data = (void *)((char *)blob + sizeof(struct drm_property_blob));
2840 blob->length = length;
2842 memcpy(blob->data, data, length);
2844 drm_mode_object_get(dev, &blob->base, DRM_MODE_OBJECT_BLOB);
2846 list_add_tail(&blob->head, &dev->mode_config.property_blob_list);
2850 static void drm_property_destroy_blob(struct drm_device *dev,
2851 struct drm_property_blob *blob)
2853 drm_mode_object_put(dev, &blob->base);
2854 list_del(&blob->head);
2858 int drm_mode_getblob_ioctl(struct drm_device *dev,
2859 void *data, struct drm_file *file_priv)
2861 struct drm_mode_object *obj;
2862 struct drm_mode_get_blob *out_resp = data;
2863 struct drm_property_blob *blob;
2865 void __user *blob_ptr;
2867 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2870 mutex_lock(&dev->mode_config.mutex);
2871 obj = drm_mode_object_find(dev, out_resp->blob_id, DRM_MODE_OBJECT_BLOB);
2876 blob = obj_to_blob(obj);
2878 if (out_resp->length == blob->length) {
2879 blob_ptr = (void __user *)(unsigned long)out_resp->data;
2880 if (copy_to_user(blob_ptr, blob->data, blob->length)){
2885 out_resp->length = blob->length;
2888 mutex_unlock(&dev->mode_config.mutex);
2892 int drm_mode_connector_update_edid_property(struct drm_connector *connector,
2895 struct drm_device *dev = connector->dev;
2898 if (connector->edid_blob_ptr)
2899 drm_property_destroy_blob(dev, connector->edid_blob_ptr);
2901 /* Delete edid, when there is none. */
2903 connector->edid_blob_ptr = NULL;
2904 ret = drm_connector_property_set_value(connector, dev->mode_config.edid_property, 0);
2908 size = EDID_LENGTH * (1 + edid->extensions);
2909 connector->edid_blob_ptr = drm_property_create_blob(connector->dev,
2912 ret = drm_connector_property_set_value(connector,
2913 dev->mode_config.edid_property,
2914 connector->edid_blob_ptr->base.id);
2918 EXPORT_SYMBOL(drm_mode_connector_update_edid_property);
2920 int drm_mode_connector_property_set_ioctl(struct drm_device *dev,
2921 void *data, struct drm_file *file_priv)
2923 struct drm_mode_connector_set_property *out_resp = data;
2924 struct drm_mode_object *obj;
2925 struct drm_property *property;
2926 struct drm_connector *connector;
2930 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2933 mutex_lock(&dev->mode_config.mutex);
2935 obj = drm_mode_object_find(dev, out_resp->connector_id, DRM_MODE_OBJECT_CONNECTOR);
2939 connector = obj_to_connector(obj);
2941 for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
2942 if (connector->property_ids[i] == out_resp->prop_id)
2946 if (i == DRM_CONNECTOR_MAX_PROPERTY) {
2950 obj = drm_mode_object_find(dev, out_resp->prop_id, DRM_MODE_OBJECT_PROPERTY);
2954 property = obj_to_property(obj);
2956 if (property->flags & DRM_MODE_PROP_IMMUTABLE)
2959 if (property->flags & DRM_MODE_PROP_RANGE) {
2960 if (out_resp->value < property->values[0])
2963 if (out_resp->value > property->values[1])
2967 for (i = 0; i < property->num_values; i++) {
2968 if (property->values[i] == out_resp->value) {
2978 /* Do DPMS ourselves */
2979 if (property == connector->dev->mode_config.dpms_property) {
2980 if (connector->funcs->dpms)
2981 (*connector->funcs->dpms)(connector, (int) out_resp->value);
2983 } else if (connector->funcs->set_property)
2984 ret = connector->funcs->set_property(connector, property, out_resp->value);
2986 /* store the property value if successful */
2988 drm_connector_property_set_value(connector, property, out_resp->value);
2990 mutex_unlock(&dev->mode_config.mutex);
2994 int drm_mode_connector_attach_encoder(struct drm_connector *connector,
2995 struct drm_encoder *encoder)
2999 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
3000 if (connector->encoder_ids[i] == 0) {
3001 connector->encoder_ids[i] = encoder->base.id;
3007 EXPORT_SYMBOL(drm_mode_connector_attach_encoder);
3009 void drm_mode_connector_detach_encoder(struct drm_connector *connector,
3010 struct drm_encoder *encoder)
3013 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
3014 if (connector->encoder_ids[i] == encoder->base.id) {
3015 connector->encoder_ids[i] = 0;
3016 if (connector->encoder == encoder)
3017 connector->encoder = NULL;
3022 EXPORT_SYMBOL(drm_mode_connector_detach_encoder);
3024 bool drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc,
3027 crtc->gamma_size = gamma_size;
3029 crtc->gamma_store = kzalloc(gamma_size * sizeof(uint16_t) * 3, GFP_KERNEL);
3030 if (!crtc->gamma_store) {
3031 crtc->gamma_size = 0;
3037 EXPORT_SYMBOL(drm_mode_crtc_set_gamma_size);
3039 int drm_mode_gamma_set_ioctl(struct drm_device *dev,
3040 void *data, struct drm_file *file_priv)
3042 struct drm_mode_crtc_lut *crtc_lut = data;
3043 struct drm_mode_object *obj;
3044 struct drm_crtc *crtc;
3045 void *r_base, *g_base, *b_base;
3049 if (!drm_core_check_feature(dev, DRIVER_MODESET))
3052 mutex_lock(&dev->mode_config.mutex);
3053 obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC);
3058 crtc = obj_to_crtc(obj);
3060 /* memcpy into gamma store */
3061 if (crtc_lut->gamma_size != crtc->gamma_size) {
3066 size = crtc_lut->gamma_size * (sizeof(uint16_t));
3067 r_base = crtc->gamma_store;
3068 if (copy_from_user(r_base, (void __user *)(unsigned long)crtc_lut->red, size)) {
3073 g_base = r_base + size;
3074 if (copy_from_user(g_base, (void __user *)(unsigned long)crtc_lut->green, size)) {
3079 b_base = g_base + size;
3080 if (copy_from_user(b_base, (void __user *)(unsigned long)crtc_lut->blue, size)) {
3085 crtc->funcs->gamma_set(crtc, r_base, g_base, b_base, 0, crtc->gamma_size);
3088 mutex_unlock(&dev->mode_config.mutex);
3093 int drm_mode_gamma_get_ioctl(struct drm_device *dev,
3094 void *data, struct drm_file *file_priv)
3096 struct drm_mode_crtc_lut *crtc_lut = data;
3097 struct drm_mode_object *obj;
3098 struct drm_crtc *crtc;
3099 void *r_base, *g_base, *b_base;
3103 if (!drm_core_check_feature(dev, DRIVER_MODESET))
3106 mutex_lock(&dev->mode_config.mutex);
3107 obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC);
3112 crtc = obj_to_crtc(obj);
3114 /* memcpy into gamma store */
3115 if (crtc_lut->gamma_size != crtc->gamma_size) {
3120 size = crtc_lut->gamma_size * (sizeof(uint16_t));
3121 r_base = crtc->gamma_store;
3122 if (copy_to_user((void __user *)(unsigned long)crtc_lut->red, r_base, size)) {
3127 g_base = r_base + size;
3128 if (copy_to_user((void __user *)(unsigned long)crtc_lut->green, g_base, size)) {
3133 b_base = g_base + size;
3134 if (copy_to_user((void __user *)(unsigned long)crtc_lut->blue, b_base, size)) {
3139 mutex_unlock(&dev->mode_config.mutex);
3143 int drm_mode_page_flip_ioctl(struct drm_device *dev,
3144 void *data, struct drm_file *file_priv)
3146 struct drm_mode_crtc_page_flip *page_flip = data;
3147 struct drm_mode_object *obj;
3148 struct drm_crtc *crtc;
3149 struct drm_framebuffer *fb;
3150 struct drm_pending_vblank_event *e = NULL;
3151 unsigned long flags;
3154 if (page_flip->flags & ~DRM_MODE_PAGE_FLIP_FLAGS ||
3155 page_flip->reserved != 0)
3158 mutex_lock(&dev->mode_config.mutex);
3159 obj = drm_mode_object_find(dev, page_flip->crtc_id, DRM_MODE_OBJECT_CRTC);
3162 crtc = obj_to_crtc(obj);
3164 if (crtc->fb == NULL) {
3165 /* The framebuffer is currently unbound, presumably
3166 * due to a hotplug event, that userspace has not
3173 if (crtc->funcs->page_flip == NULL)
3176 obj = drm_mode_object_find(dev, page_flip->fb_id, DRM_MODE_OBJECT_FB);
3179 fb = obj_to_fb(obj);
3181 if (page_flip->flags & DRM_MODE_PAGE_FLIP_EVENT) {
3183 spin_lock_irqsave(&dev->event_lock, flags);
3184 if (file_priv->event_space < sizeof e->event) {
3185 spin_unlock_irqrestore(&dev->event_lock, flags);
3188 file_priv->event_space -= sizeof e->event;
3189 spin_unlock_irqrestore(&dev->event_lock, flags);
3191 e = kzalloc(sizeof *e, GFP_KERNEL);
3193 spin_lock_irqsave(&dev->event_lock, flags);
3194 file_priv->event_space += sizeof e->event;
3195 spin_unlock_irqrestore(&dev->event_lock, flags);
3199 e->event.base.type = DRM_EVENT_FLIP_COMPLETE;
3200 e->event.base.length = sizeof e->event;
3201 e->event.user_data = page_flip->user_data;
3202 e->base.event = &e->event.base;
3203 e->base.file_priv = file_priv;
3205 (void (*) (struct drm_pending_event *)) kfree;
3208 ret = crtc->funcs->page_flip(crtc, fb, e);
3210 spin_lock_irqsave(&dev->event_lock, flags);
3211 file_priv->event_space += sizeof e->event;
3212 spin_unlock_irqrestore(&dev->event_lock, flags);
3217 mutex_unlock(&dev->mode_config.mutex);
3221 void drm_mode_config_reset(struct drm_device *dev)
3223 struct drm_crtc *crtc;
3224 struct drm_encoder *encoder;
3225 struct drm_connector *connector;
3227 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head)
3228 if (crtc->funcs->reset)
3229 crtc->funcs->reset(crtc);
3231 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head)
3232 if (encoder->funcs->reset)
3233 encoder->funcs->reset(encoder);
3235 list_for_each_entry(connector, &dev->mode_config.connector_list, head)
3236 if (connector->funcs->reset)
3237 connector->funcs->reset(connector);
3239 EXPORT_SYMBOL(drm_mode_config_reset);
3241 int drm_mode_create_dumb_ioctl(struct drm_device *dev,
3242 void *data, struct drm_file *file_priv)
3244 struct drm_mode_create_dumb *args = data;
3246 if (!dev->driver->dumb_create)
3248 return dev->driver->dumb_create(file_priv, dev, args);
3251 int drm_mode_mmap_dumb_ioctl(struct drm_device *dev,
3252 void *data, struct drm_file *file_priv)
3254 struct drm_mode_map_dumb *args = data;
3256 /* call driver ioctl to get mmap offset */
3257 if (!dev->driver->dumb_map_offset)
3260 return dev->driver->dumb_map_offset(file_priv, dev, args->handle, &args->offset);
3263 int drm_mode_destroy_dumb_ioctl(struct drm_device *dev,
3264 void *data, struct drm_file *file_priv)
3266 struct drm_mode_destroy_dumb *args = data;
3268 if (!dev->driver->dumb_destroy)
3271 return dev->driver->dumb_destroy(file_priv, dev, args->handle);
3275 * Just need to support RGB formats here for compat with code that doesn't
3276 * use pixel formats directly yet.
3278 void drm_fb_get_bpp_depth(uint32_t format, unsigned int *depth,
3282 case DRM_FORMAT_RGB332:
3283 case DRM_FORMAT_BGR233:
3287 case DRM_FORMAT_XRGB1555:
3288 case DRM_FORMAT_XBGR1555:
3289 case DRM_FORMAT_RGBX5551:
3290 case DRM_FORMAT_BGRX5551:
3291 case DRM_FORMAT_ARGB1555:
3292 case DRM_FORMAT_ABGR1555:
3293 case DRM_FORMAT_RGBA5551:
3294 case DRM_FORMAT_BGRA5551:
3298 case DRM_FORMAT_RGB565:
3299 case DRM_FORMAT_BGR565:
3303 case DRM_FORMAT_RGB888:
3304 case DRM_FORMAT_BGR888:
3308 case DRM_FORMAT_XRGB8888:
3309 case DRM_FORMAT_XBGR8888:
3310 case DRM_FORMAT_RGBX8888:
3311 case DRM_FORMAT_BGRX8888:
3315 case DRM_FORMAT_XRGB2101010:
3316 case DRM_FORMAT_XBGR2101010:
3317 case DRM_FORMAT_RGBX1010102:
3318 case DRM_FORMAT_BGRX1010102:
3319 case DRM_FORMAT_ARGB2101010:
3320 case DRM_FORMAT_ABGR2101010:
3321 case DRM_FORMAT_RGBA1010102:
3322 case DRM_FORMAT_BGRA1010102:
3326 case DRM_FORMAT_ARGB8888:
3327 case DRM_FORMAT_ABGR8888:
3328 case DRM_FORMAT_RGBA8888:
3329 case DRM_FORMAT_BGRA8888:
3334 DRM_DEBUG_KMS("unsupported pixel format\n");
3340 EXPORT_SYMBOL(drm_fb_get_bpp_depth);