2 * Copyright © 2006 Keith Packard
3 * Copyright © 2007-2008 Dave Airlie
4 * Copyright © 2007-2008 Intel Corporation
5 * Jesse Barnes <jesse.barnes@intel.com>
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the "Software"),
9 * to deal in the Software without restriction, including without limitation
10 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
11 * and/or sell copies of the Software, and to permit persons to whom the
12 * Software is furnished to do so, subject to the following conditions:
14 * The above copyright notice and this permission notice shall be included in
15 * all copies or substantial portions of the Software.
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
21 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
22 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
23 * OTHER DEALINGS IN THE SOFTWARE.
25 #ifndef __DRM_CRTC_H__
26 #define __DRM_CRTC_H__
28 #include <linux/i2c.h>
29 #include <linux/spinlock.h>
30 #include <linux/types.h>
31 #include <linux/idr.h>
33 #include <linux/hdmi.h>
34 #include <linux/media-bus-format.h>
35 #include <uapi/drm/drm_mode.h>
36 #include <uapi/drm/drm_fourcc.h>
37 #include <drm/drm_modeset_lock.h>
41 struct drm_framebuffer;
42 struct drm_object_properties;
48 #define DRM_MODE_OBJECT_CRTC 0xcccccccc
49 #define DRM_MODE_OBJECT_CONNECTOR 0xc0c0c0c0
50 #define DRM_MODE_OBJECT_ENCODER 0xe0e0e0e0
51 #define DRM_MODE_OBJECT_MODE 0xdededede
52 #define DRM_MODE_OBJECT_PROPERTY 0xb0b0b0b0
53 #define DRM_MODE_OBJECT_FB 0xfbfbfbfb
54 #define DRM_MODE_OBJECT_BLOB 0xbbbbbbbb
55 #define DRM_MODE_OBJECT_PLANE 0xeeeeeeee
56 #define DRM_MODE_OBJECT_ANY 0
58 struct drm_mode_object {
61 struct drm_object_properties *properties;
64 #define DRM_OBJECT_MAX_PROPERTY 24
65 struct drm_object_properties {
66 int count, atomic_count;
67 /* NOTE: if we ever start dynamically destroying properties (ie.
68 * not at drm_mode_config_cleanup() time), then we'd have to do
69 * a better job of detaching property from mode objects to avoid
70 * dangling property pointers:
72 struct drm_property *properties[DRM_OBJECT_MAX_PROPERTY];
73 /* do not read/write values directly, but use drm_object_property_get_value()
74 * and drm_object_property_set_value():
76 uint64_t values[DRM_OBJECT_MAX_PROPERTY];
79 static inline int64_t U642I64(uint64_t val)
81 return (int64_t)*((int64_t *)&val);
83 static inline uint64_t I642U64(int64_t val)
85 return (uint64_t)*((uint64_t *)&val);
88 /* rotation property bits */
89 #define DRM_ROTATE_0 0
90 #define DRM_ROTATE_90 1
91 #define DRM_ROTATE_180 2
92 #define DRM_ROTATE_270 3
93 #define DRM_REFLECT_X 4
94 #define DRM_REFLECT_Y 5
96 enum drm_connector_force {
97 DRM_FORCE_UNSPECIFIED,
99 DRM_FORCE_ON, /* force on analog part normally */
100 DRM_FORCE_ON_DIGITAL, /* for DVI-I use digital connector */
103 #include <drm/drm_modes.h>
105 enum drm_connector_status {
106 connector_status_connected = 1,
107 connector_status_disconnected = 2,
108 connector_status_unknown = 3,
111 enum subpixel_order {
113 SubPixelHorizontalRGB,
114 SubPixelHorizontalBGR,
120 #define DRM_COLOR_FORMAT_RGB444 (1<<0)
121 #define DRM_COLOR_FORMAT_YCRCB444 (1<<1)
122 #define DRM_COLOR_FORMAT_YCRCB422 (1<<2)
124 * Describes a given display (e.g. CRT or flat panel) and its limitations.
126 struct drm_display_info {
127 char name[DRM_DISPLAY_INFO_LEN];
130 unsigned int width_mm;
131 unsigned int height_mm;
133 /* Clock limits FIXME: storage format */
134 unsigned int min_vfreq, max_vfreq;
135 unsigned int min_hfreq, max_hfreq;
136 unsigned int pixel_clock;
139 enum subpixel_order subpixel_order;
142 const u32 *bus_formats;
143 unsigned int num_bus_formats;
145 /* Mask of supported hdmi deep color modes */
146 u8 edid_hdmi_dc_modes;
151 /* data corresponds to displayid vend/prod/serial */
152 struct drm_tile_group {
153 struct kref refcount;
154 struct drm_device *dev;
159 struct drm_framebuffer_funcs {
160 /* note: use drm_framebuffer_remove() */
161 void (*destroy)(struct drm_framebuffer *framebuffer);
162 int (*create_handle)(struct drm_framebuffer *fb,
163 struct drm_file *file_priv,
164 unsigned int *handle);
166 * Optional callback for the dirty fb ioctl.
168 * Userspace can notify the driver via this callback
169 * that a area of the framebuffer has changed and should
170 * be flushed to the display hardware.
172 * See documentation in drm_mode.h for the struct
173 * drm_mode_fb_dirty_cmd for more information as all
174 * the semantics and arguments have a one to one mapping
177 int (*dirty)(struct drm_framebuffer *framebuffer,
178 struct drm_file *file_priv, unsigned flags,
179 unsigned color, struct drm_clip_rect *clips,
183 struct drm_framebuffer {
184 struct drm_device *dev;
186 * Note that the fb is refcounted for the benefit of driver internals,
187 * for example some hw, disabling a CRTC/plane is asynchronous, and
188 * scanout does not actually complete until the next vblank. So some
189 * cleanup (like releasing the reference(s) on the backing GEM bo(s))
190 * should be deferred. In cases like this, the driver would like to
191 * hold a ref to the fb even though it has already been removed from
192 * userspace perspective.
194 struct kref refcount;
196 * Place on the dev->mode_config.fb_list, access protected by
197 * dev->mode_config.fb_lock.
199 struct list_head head;
200 struct drm_mode_object base;
201 const struct drm_framebuffer_funcs *funcs;
202 unsigned int pitches[4];
203 unsigned int offsets[4];
204 uint64_t modifier[4];
207 /* depth can be 15 or 16 */
211 uint32_t pixel_format; /* fourcc format */
212 struct list_head filp_head;
213 /* if you are using the helper */
214 void *helper_private;
217 struct drm_property_blob {
218 struct drm_mode_object base;
219 struct drm_device *dev;
220 struct kref refcount;
221 struct list_head head;
223 unsigned char data[];
226 struct drm_property_enum {
228 struct list_head head;
229 char name[DRM_PROP_NAME_LEN];
232 struct drm_property {
233 struct list_head head;
234 struct drm_mode_object base;
236 char name[DRM_PROP_NAME_LEN];
239 struct drm_device *dev;
241 struct list_head enum_list;
245 struct drm_connector;
247 struct drm_pending_vblank_event;
250 struct drm_atomic_state;
253 * struct drm_crtc_state - mutable CRTC state
254 * @crtc: backpointer to the CRTC
255 * @enable: whether the CRTC should be enabled, gates all other state
256 * @active: whether the CRTC is actively displaying (used for DPMS)
257 * @mode_changed: for use by helpers and drivers when computing state updates
258 * @active_changed: for use by helpers and drivers when computing state updates
259 * @plane_mask: bitmask of (1 << drm_plane_index(plane)) of attached planes
260 * @last_vblank_count: for helpers and drivers to capture the vblank of the
261 * update to ensure framebuffer cleanup isn't done too early
262 * @planes_changed: for use by helpers and drivers when computing state updates
263 * @adjusted_mode: for use by helpers and drivers to compute adjusted mode timings
264 * @mode: current mode timings
265 * @event: optional pointer to a DRM event to signal upon completion of the
267 * @state: backpointer to global drm_atomic_state
269 * Note that the distinction between @enable and @active is rather subtile:
270 * Flipping @active while @enable is set without changing anything else may
271 * never return in a failure from the ->atomic_check callback. Userspace assumes
272 * that a DPMS On will always succeed. In other words: @enable controls resource
273 * assignment, @active controls the actual hardware state.
275 struct drm_crtc_state {
276 struct drm_crtc *crtc;
281 /* computed state bits used by helpers and drivers */
282 bool planes_changed : 1;
283 bool mode_changed : 1;
284 bool active_changed : 1;
286 /* attached planes bitmask:
287 * WARNING: transitional helpers do not maintain plane_mask so
288 * drivers not converted over to atomic helpers should not rely
289 * on plane_mask being accurate!
293 /* last_vblank_count: for vblank waits before cleanup */
294 u32 last_vblank_count;
296 /* adjusted_mode: for use by helpers and drivers */
297 struct drm_display_mode adjusted_mode;
299 struct drm_display_mode mode;
301 struct drm_pending_vblank_event *event;
303 struct drm_atomic_state *state;
307 * struct drm_crtc_funcs - control CRTCs for a given device
308 * @save: save CRTC state
309 * @restore: restore CRTC state
310 * @reset: reset CRTC after state has been invalidated (e.g. resume)
311 * @cursor_set: setup the cursor
312 * @cursor_set2: setup the cursor with hotspot, superseeds @cursor_set if set
313 * @cursor_move: move the cursor
314 * @gamma_set: specify color ramp for CRTC
315 * @destroy: deinit and free object
316 * @set_property: called when a property is changed
317 * @set_config: apply a new CRTC configuration
318 * @page_flip: initiate a page flip
319 * @atomic_duplicate_state: duplicate the atomic state for this CRTC
320 * @atomic_destroy_state: destroy an atomic state for this CRTC
321 * @atomic_set_property: set a property on an atomic state for this CRTC
322 * (do not call directly, use drm_atomic_crtc_set_property())
323 * @atomic_get_property: get a property on an atomic state for this CRTC
324 * (do not call directly, use drm_atomic_crtc_get_property())
326 * The drm_crtc_funcs structure is the central CRTC management structure
327 * in the DRM. Each CRTC controls one or more connectors (note that the name
328 * CRTC is simply historical, a CRTC may control LVDS, VGA, DVI, TV out, etc.
329 * connectors, not just CRTs).
331 * Each driver is responsible for filling out this structure at startup time,
332 * in addition to providing other modesetting features, like i2c and DDC
335 struct drm_crtc_funcs {
336 /* Save CRTC state */
337 void (*save)(struct drm_crtc *crtc); /* suspend? */
338 /* Restore CRTC state */
339 void (*restore)(struct drm_crtc *crtc); /* resume? */
340 /* Reset CRTC state */
341 void (*reset)(struct drm_crtc *crtc);
343 /* cursor controls */
344 int (*cursor_set)(struct drm_crtc *crtc, struct drm_file *file_priv,
345 uint32_t handle, uint32_t width, uint32_t height);
346 int (*cursor_set2)(struct drm_crtc *crtc, struct drm_file *file_priv,
347 uint32_t handle, uint32_t width, uint32_t height,
348 int32_t hot_x, int32_t hot_y);
349 int (*cursor_move)(struct drm_crtc *crtc, int x, int y);
351 /* Set gamma on the CRTC */
352 void (*gamma_set)(struct drm_crtc *crtc, u16 *r, u16 *g, u16 *b,
353 uint32_t start, uint32_t size);
354 /* Object destroy routine */
355 void (*destroy)(struct drm_crtc *crtc);
357 int (*set_config)(struct drm_mode_set *set);
360 * Flip to the given framebuffer. This implements the page
361 * flip ioctl described in drm_mode.h, specifically, the
362 * implementation must return immediately and block all
363 * rendering to the current fb until the flip has completed.
364 * If userspace set the event flag in the ioctl, the event
365 * argument will point to an event to send back when the flip
366 * completes, otherwise it will be NULL.
368 int (*page_flip)(struct drm_crtc *crtc,
369 struct drm_framebuffer *fb,
370 struct drm_pending_vblank_event *event,
373 int (*set_property)(struct drm_crtc *crtc,
374 struct drm_property *property, uint64_t val);
376 /* atomic update handling */
377 struct drm_crtc_state *(*atomic_duplicate_state)(struct drm_crtc *crtc);
378 void (*atomic_destroy_state)(struct drm_crtc *crtc,
379 struct drm_crtc_state *state);
380 int (*atomic_set_property)(struct drm_crtc *crtc,
381 struct drm_crtc_state *state,
382 struct drm_property *property,
384 int (*atomic_get_property)(struct drm_crtc *crtc,
385 const struct drm_crtc_state *state,
386 struct drm_property *property,
391 * struct drm_crtc - central CRTC control structure
392 * @dev: parent DRM device
393 * @port: OF node used by drm_of_find_possible_crtcs()
394 * @head: list management
395 * @mutex: per-CRTC locking
396 * @base: base KMS object for ID tracking etc.
397 * @primary: primary plane for this CRTC
398 * @cursor: cursor plane for this CRTC
399 * @cursor_x: current x position of the cursor, used for universal cursor planes
400 * @cursor_y: current y position of the cursor, used for universal cursor planes
401 * @enabled: is this CRTC enabled?
402 * @mode: current mode timings
403 * @hwmode: mode timings as programmed to hw regs
404 * @invert_dimensions: for purposes of error checking crtc vs fb sizes,
405 * invert the width/height of the crtc. This is used if the driver
406 * is performing 90 or 270 degree rotated scanout
407 * @x: x position on screen
408 * @y: y position on screen
409 * @funcs: CRTC control functions
410 * @gamma_size: size of gamma ramp
411 * @gamma_store: gamma ramp values
412 * @framedur_ns: precise frame timing
413 * @linedur_ns: precise line timing
414 * @pixeldur_ns: precise pixel timing
415 * @helper_private: mid-layer private data
416 * @properties: property tracking for this CRTC
417 * @state: current atomic state for this CRTC
418 * @acquire_ctx: per-CRTC implicit acquire context used by atomic drivers for
421 * Each CRTC may have one or more connectors associated with it. This structure
422 * allows the CRTC to be controlled.
425 struct drm_device *dev;
426 struct device_node *port;
427 struct list_head head;
432 * This provides a read lock for the overall crtc state (mode, dpms
433 * state, ...) and a write lock for everything which can be update
434 * without a full modeset (fb, cursor data, ...)
436 struct drm_modeset_lock mutex;
438 struct drm_mode_object base;
440 /* primary and cursor planes for CRTC */
441 struct drm_plane *primary;
442 struct drm_plane *cursor;
444 /* position of cursor plane on crtc */
450 /* Requested mode from modesetting. */
451 struct drm_display_mode mode;
453 /* Programmed mode in hw, after adjustments for encoders,
454 * crtc, panel scaling etc. Needed for timestamping etc.
456 struct drm_display_mode hwmode;
458 bool invert_dimensions;
461 const struct drm_crtc_funcs *funcs;
463 /* CRTC gamma size for reporting to userspace */
465 uint16_t *gamma_store;
467 /* Constants needed for precise vblank and swap timestamping. */
468 int framedur_ns, linedur_ns, pixeldur_ns;
470 /* if you are using the helper */
471 const void *helper_private;
473 struct drm_object_properties properties;
475 struct drm_crtc_state *state;
478 * For legacy crtc ioctls so that atomic drivers can get at the locking
481 struct drm_modeset_acquire_ctx *acquire_ctx;
485 * struct drm_connector_state - mutable connector state
486 * @connector: backpointer to the connector
487 * @crtc: CRTC to connect connector to, NULL if disabled
488 * @best_encoder: can be used by helpers and drivers to select the encoder
489 * @state: backpointer to global drm_atomic_state
491 struct drm_connector_state {
492 struct drm_connector *connector;
494 struct drm_crtc *crtc; /* do not write directly, use drm_atomic_set_crtc_for_connector() */
496 struct drm_encoder *best_encoder;
498 struct drm_atomic_state *state;
502 * struct drm_connector_funcs - control connectors on a given device
503 * @dpms: set power state
504 * @save: save connector state
505 * @restore: restore connector state
506 * @reset: reset connector after state has been invalidated (e.g. resume)
507 * @detect: is this connector active?
508 * @fill_modes: fill mode list for this connector
509 * @set_property: property for this connector may need an update
510 * @destroy: make object go away
511 * @force: notify the driver that the connector is forced on
512 * @atomic_duplicate_state: duplicate the atomic state for this connector
513 * @atomic_destroy_state: destroy an atomic state for this connector
514 * @atomic_set_property: set a property on an atomic state for this connector
515 * (do not call directly, use drm_atomic_connector_set_property())
516 * @atomic_get_property: get a property on an atomic state for this connector
517 * (do not call directly, use drm_atomic_connector_get_property())
519 * Each CRTC may have one or more connectors attached to it. The functions
520 * below allow the core DRM code to control connectors, enumerate available modes,
523 struct drm_connector_funcs {
524 void (*dpms)(struct drm_connector *connector, int mode);
525 void (*save)(struct drm_connector *connector);
526 void (*restore)(struct drm_connector *connector);
527 void (*reset)(struct drm_connector *connector);
529 /* Check to see if anything is attached to the connector.
530 * @force is set to false whilst polling, true when checking the
531 * connector due to user request. @force can be used by the driver
532 * to avoid expensive, destructive operations during automated
535 enum drm_connector_status (*detect)(struct drm_connector *connector,
537 int (*fill_modes)(struct drm_connector *connector, uint32_t max_width, uint32_t max_height);
538 int (*set_property)(struct drm_connector *connector, struct drm_property *property,
540 void (*destroy)(struct drm_connector *connector);
541 void (*force)(struct drm_connector *connector);
543 /* atomic update handling */
544 struct drm_connector_state *(*atomic_duplicate_state)(struct drm_connector *connector);
545 void (*atomic_destroy_state)(struct drm_connector *connector,
546 struct drm_connector_state *state);
547 int (*atomic_set_property)(struct drm_connector *connector,
548 struct drm_connector_state *state,
549 struct drm_property *property,
551 int (*atomic_get_property)(struct drm_connector *connector,
552 const struct drm_connector_state *state,
553 struct drm_property *property,
558 * struct drm_encoder_funcs - encoder controls
559 * @reset: reset state (e.g. at init or resume time)
560 * @destroy: cleanup and free associated data
562 * Encoders sit between CRTCs and connectors.
564 struct drm_encoder_funcs {
565 void (*reset)(struct drm_encoder *encoder);
566 void (*destroy)(struct drm_encoder *encoder);
569 #define DRM_CONNECTOR_MAX_ENCODER 3
572 * struct drm_encoder - central DRM encoder structure
573 * @dev: parent DRM device
574 * @head: list management
575 * @base: base KMS object
576 * @name: encoder name
577 * @encoder_type: one of the %DRM_MODE_ENCODER_<foo> types in drm_mode.h
578 * @possible_crtcs: bitmask of potential CRTC bindings
579 * @possible_clones: bitmask of potential sibling encoders for cloning
580 * @crtc: currently bound CRTC
581 * @bridge: bridge associated to the encoder
582 * @funcs: control functions
583 * @helper_private: mid-layer private data
585 * CRTCs drive pixels to encoders, which convert them into signals
586 * appropriate for a given connector or set of connectors.
589 struct drm_device *dev;
590 struct list_head head;
592 struct drm_mode_object base;
595 uint32_t possible_crtcs;
596 uint32_t possible_clones;
598 struct drm_crtc *crtc;
599 struct drm_bridge *bridge;
600 const struct drm_encoder_funcs *funcs;
601 const void *helper_private;
604 /* should we poll this connector for connects and disconnects */
605 /* hot plug detectable */
606 #define DRM_CONNECTOR_POLL_HPD (1 << 0)
607 /* poll for connections */
608 #define DRM_CONNECTOR_POLL_CONNECT (1 << 1)
609 /* can cleanly poll for disconnections without flickering the screen */
610 /* DACs should rarely do this without a lot of testing */
611 #define DRM_CONNECTOR_POLL_DISCONNECT (1 << 2)
613 #define MAX_ELD_BYTES 128
616 * struct drm_connector - central DRM connector control structure
617 * @dev: parent DRM device
618 * @kdev: kernel device for sysfs attributes
619 * @attr: sysfs attributes
620 * @head: list management
621 * @base: base KMS object
622 * @name: connector name
623 * @connector_type: one of the %DRM_MODE_CONNECTOR_<foo> types from drm_mode.h
624 * @connector_type_id: index into connector type enum
625 * @interlace_allowed: can this connector handle interlaced modes?
626 * @doublescan_allowed: can this connector handle doublescan?
627 * @stereo_allowed: can this connector handle stereo modes?
628 * @modes: modes available on this connector (from fill_modes() + user)
629 * @status: one of the drm_connector_status enums (connected, not, or unknown)
630 * @probed_modes: list of modes derived directly from the display
631 * @display_info: information about attached display (e.g. from EDID)
632 * @funcs: connector control functions
633 * @edid_blob_ptr: DRM property containing EDID if present
634 * @properties: property tracking for this connector
635 * @path_blob_ptr: DRM blob property data for the DP MST path property
636 * @polled: a %DRM_CONNECTOR_POLL_<foo> value for core driven polling
637 * @dpms: current dpms state
638 * @helper_private: mid-layer private data
639 * @cmdline_mode: mode line parsed from the kernel cmdline for this connector
640 * @force: a %DRM_FORCE_<foo> state for forced mode sets
641 * @override_edid: has the EDID been overwritten through debugfs for testing?
642 * @encoder_ids: valid encoders for this connector
643 * @encoder: encoder driving this connector, if any
644 * @eld: EDID-like data, if present
645 * @dvi_dual: dual link DVI, if found
646 * @max_tmds_clock: max clock rate, if found
647 * @latency_present: AV delay info from ELD, if found
648 * @video_latency: video latency info from ELD, if found
649 * @audio_latency: audio latency info from ELD, if found
650 * @null_edid_counter: track sinks that give us all zeros for the EDID
651 * @bad_edid_counter: track sinks that give us an EDID with invalid checksum
652 * @edid_corrupt: indicates whether the last read EDID was corrupt
653 * @debugfs_entry: debugfs directory for this connector
654 * @state: current atomic state for this connector
655 * @has_tile: is this connector connected to a tiled monitor
656 * @tile_group: tile group for the connected monitor
657 * @tile_is_single_monitor: whether the tile is one monitor housing
658 * @num_h_tile: number of horizontal tiles in the tile group
659 * @num_v_tile: number of vertical tiles in the tile group
660 * @tile_h_loc: horizontal location of this tile
661 * @tile_v_loc: vertical location of this tile
662 * @tile_h_size: horizontal size of this tile.
663 * @tile_v_size: vertical size of this tile.
665 * Each connector may be connected to one or more CRTCs, or may be clonable by
666 * another connector if they can share a CRTC. Each connector also has a specific
667 * position in the broader display (referred to as a 'screen' though it could
668 * span multiple monitors).
670 struct drm_connector {
671 struct drm_device *dev;
673 struct device_attribute *attr;
674 struct list_head head;
676 struct drm_mode_object base;
680 int connector_type_id;
681 bool interlace_allowed;
682 bool doublescan_allowed;
684 struct list_head modes; /* list of modes on this connector */
686 enum drm_connector_status status;
688 /* these are modes added by probing with DDC or the BIOS */
689 struct list_head probed_modes;
691 struct drm_display_info display_info;
692 const struct drm_connector_funcs *funcs;
694 struct drm_property_blob *edid_blob_ptr;
695 struct drm_object_properties properties;
697 struct drm_property_blob *path_blob_ptr;
699 struct drm_property_blob *tile_blob_ptr;
701 uint8_t polled; /* DRM_CONNECTOR_POLL_* */
703 /* requested DPMS state */
706 const void *helper_private;
708 /* forced on connector */
709 struct drm_cmdline_mode cmdline_mode;
710 enum drm_connector_force force;
712 uint32_t encoder_ids[DRM_CONNECTOR_MAX_ENCODER];
713 struct drm_encoder *encoder; /* currently active encoder */
716 uint8_t eld[MAX_ELD_BYTES];
718 int max_tmds_clock; /* in MHz */
719 bool latency_present[2];
720 int video_latency[2]; /* [0]: progressive, [1]: interlaced */
721 int audio_latency[2];
722 int null_edid_counter; /* needed to workaround some HW bugs where we get all 0s */
723 unsigned bad_edid_counter;
725 /* Flag for raw EDID header corruption - used in Displayport
726 * compliance testing - * Displayport Link CTS Core 1.2 rev1.1 4.2.2.6
730 struct dentry *debugfs_entry;
732 struct drm_connector_state *state;
736 struct drm_tile_group *tile_group;
737 bool tile_is_single_monitor;
739 uint8_t num_h_tile, num_v_tile;
740 uint8_t tile_h_loc, tile_v_loc;
741 uint16_t tile_h_size, tile_v_size;
745 * struct drm_plane_state - mutable plane state
746 * @plane: backpointer to the plane
747 * @crtc: currently bound CRTC, NULL if disabled
748 * @fb: currently bound framebuffer
749 * @fence: optional fence to wait for before scanning out @fb
750 * @crtc_x: left position of visible portion of plane on crtc
751 * @crtc_y: upper position of visible portion of plane on crtc
752 * @crtc_w: width of visible portion of plane on crtc
753 * @crtc_h: height of visible portion of plane on crtc
754 * @src_x: left position of visible portion of plane within
756 * @src_y: upper position of visible portion of plane within
758 * @src_w: width of visible portion of plane (in 16.16)
759 * @src_h: height of visible portion of plane (in 16.16)
760 * @state: backpointer to global drm_atomic_state
762 struct drm_plane_state {
763 struct drm_plane *plane;
765 struct drm_crtc *crtc; /* do not write directly, use drm_atomic_set_crtc_for_plane() */
766 struct drm_framebuffer *fb; /* do not write directly, use drm_atomic_set_fb_for_plane() */
769 /* Signed dest location allows it to be partially off screen */
770 int32_t crtc_x, crtc_y;
771 uint32_t crtc_w, crtc_h;
773 /* Source values are 16.16 fixed point */
774 uint32_t src_x, src_y;
775 uint32_t src_h, src_w;
778 unsigned int rotation;
780 struct drm_atomic_state *state;
785 * struct drm_plane_funcs - driver plane control functions
786 * @update_plane: update the plane configuration
787 * @disable_plane: shut down the plane
788 * @destroy: clean up plane resources
789 * @reset: reset plane after state has been invalidated (e.g. resume)
790 * @set_property: called when a property is changed
791 * @atomic_duplicate_state: duplicate the atomic state for this plane
792 * @atomic_destroy_state: destroy an atomic state for this plane
793 * @atomic_set_property: set a property on an atomic state for this plane
794 * (do not call directly, use drm_atomic_plane_set_property())
795 * @atomic_get_property: get a property on an atomic state for this plane
796 * (do not call directly, use drm_atomic_plane_get_property())
798 struct drm_plane_funcs {
799 int (*update_plane)(struct drm_plane *plane,
800 struct drm_crtc *crtc, struct drm_framebuffer *fb,
801 int crtc_x, int crtc_y,
802 unsigned int crtc_w, unsigned int crtc_h,
803 uint32_t src_x, uint32_t src_y,
804 uint32_t src_w, uint32_t src_h);
805 int (*disable_plane)(struct drm_plane *plane);
806 void (*destroy)(struct drm_plane *plane);
807 void (*reset)(struct drm_plane *plane);
809 int (*set_property)(struct drm_plane *plane,
810 struct drm_property *property, uint64_t val);
812 /* atomic update handling */
813 struct drm_plane_state *(*atomic_duplicate_state)(struct drm_plane *plane);
814 void (*atomic_destroy_state)(struct drm_plane *plane,
815 struct drm_plane_state *state);
816 int (*atomic_set_property)(struct drm_plane *plane,
817 struct drm_plane_state *state,
818 struct drm_property *property,
820 int (*atomic_get_property)(struct drm_plane *plane,
821 const struct drm_plane_state *state,
822 struct drm_property *property,
826 enum drm_plane_type {
827 DRM_PLANE_TYPE_OVERLAY,
828 DRM_PLANE_TYPE_PRIMARY,
829 DRM_PLANE_TYPE_CURSOR,
833 * struct drm_plane - central DRM plane control structure
834 * @dev: DRM device this plane belongs to
835 * @head: for list management
836 * @base: base mode object
837 * @possible_crtcs: pipes this plane can be bound to
838 * @format_types: array of formats supported by this plane
839 * @format_count: number of formats supported
840 * @format_default: driver hasn't supplied supported formats for the plane
841 * @crtc: currently bound CRTC
842 * @fb: currently bound fb
843 * @old_fb: Temporary tracking of the old fb while a modeset is ongoing. Used by
844 * drm_mode_set_config_internal() to implement correct refcounting.
845 * @funcs: helper functions
846 * @properties: property tracking for this plane
847 * @type: type of plane (overlay, primary, cursor)
848 * @state: current atomic state for this plane
851 struct drm_device *dev;
852 struct list_head head;
854 struct drm_modeset_lock mutex;
856 struct drm_mode_object base;
858 uint32_t possible_crtcs;
859 uint32_t *format_types;
860 uint32_t format_count;
863 struct drm_crtc *crtc;
864 struct drm_framebuffer *fb;
866 struct drm_framebuffer *old_fb;
868 const struct drm_plane_funcs *funcs;
870 struct drm_object_properties properties;
872 enum drm_plane_type type;
874 const void *helper_private;
876 struct drm_plane_state *state;
880 * struct drm_bridge_funcs - drm_bridge control functions
881 * @attach: Called during drm_bridge_attach
882 * @mode_fixup: Try to fixup (or reject entirely) proposed mode for this bridge
883 * @disable: Called right before encoder prepare, disables the bridge
884 * @post_disable: Called right after encoder prepare, for lockstepped disable
885 * @mode_set: Set this mode to the bridge
886 * @pre_enable: Called right before encoder commit, for lockstepped commit
887 * @enable: Called right after encoder commit, enables the bridge
889 struct drm_bridge_funcs {
890 int (*attach)(struct drm_bridge *bridge);
891 bool (*mode_fixup)(struct drm_bridge *bridge,
892 const struct drm_display_mode *mode,
893 struct drm_display_mode *adjusted_mode);
894 void (*disable)(struct drm_bridge *bridge);
895 void (*post_disable)(struct drm_bridge *bridge);
896 void (*mode_set)(struct drm_bridge *bridge,
897 struct drm_display_mode *mode,
898 struct drm_display_mode *adjusted_mode);
899 void (*pre_enable)(struct drm_bridge *bridge);
900 void (*enable)(struct drm_bridge *bridge);
904 * struct drm_bridge - central DRM bridge control structure
905 * @dev: DRM device this bridge belongs to
906 * @of_node: device node pointer to the bridge
907 * @list: to keep track of all added bridges
908 * @base: base mode object
909 * @funcs: control functions
910 * @driver_private: pointer to the bridge driver's internal context
913 struct drm_device *dev;
914 struct drm_encoder *encoder;
916 struct device_node *of_node;
918 struct list_head list;
920 const struct drm_bridge_funcs *funcs;
921 void *driver_private;
925 * struct drm_atomic_state - the global state object for atomic updates
926 * @dev: parent DRM device
927 * @allow_modeset: allow full modeset
928 * @legacy_cursor_update: hint to enforce legacy cursor ioctl semantics
929 * @planes: pointer to array of plane pointers
930 * @plane_states: pointer to array of plane states pointers
931 * @crtcs: pointer to array of CRTC pointers
932 * @crtc_states: pointer to array of CRTC states pointers
933 * @num_connector: size of the @connectors and @connector_states arrays
934 * @connectors: pointer to array of connector pointers
935 * @connector_states: pointer to array of connector states pointers
936 * @acquire_ctx: acquire context for this atomic modeset state update
938 struct drm_atomic_state {
939 struct drm_device *dev;
940 bool allow_modeset : 1;
941 bool legacy_cursor_update : 1;
942 struct drm_plane **planes;
943 struct drm_plane_state **plane_states;
944 struct drm_crtc **crtcs;
945 struct drm_crtc_state **crtc_states;
947 struct drm_connector **connectors;
948 struct drm_connector_state **connector_states;
950 struct drm_modeset_acquire_ctx *acquire_ctx;
955 * struct drm_mode_set - new values for a CRTC config change
956 * @fb: framebuffer to use for new config
957 * @crtc: CRTC whose configuration we're about to change
958 * @mode: mode timings to use
959 * @x: position of this CRTC relative to @fb
960 * @y: position of this CRTC relative to @fb
961 * @connectors: array of connectors to drive with this CRTC if possible
962 * @num_connectors: size of @connectors array
964 * Represents a single crtc the connectors that it drives with what mode
965 * and from which framebuffer it scans out from.
967 * This is used to set modes.
969 struct drm_mode_set {
970 struct drm_framebuffer *fb;
971 struct drm_crtc *crtc;
972 struct drm_display_mode *mode;
977 struct drm_connector **connectors;
978 size_t num_connectors;
982 * struct drm_mode_config_funcs - basic driver provided mode setting functions
983 * @fb_create: create a new framebuffer object
984 * @output_poll_changed: function to handle output configuration changes
985 * @atomic_check: check whether a given atomic state update is possible
986 * @atomic_commit: commit an atomic state update previously verified with
988 * @atomic_state_alloc: allocate a new atomic state
989 * @atomic_state_clear: clear the atomic state
990 * @atomic_state_free: free the atomic state
992 * Some global (i.e. not per-CRTC, connector, etc) mode setting functions that
995 struct drm_mode_config_funcs {
996 struct drm_framebuffer *(*fb_create)(struct drm_device *dev,
997 struct drm_file *file_priv,
998 struct drm_mode_fb_cmd2 *mode_cmd);
999 void (*output_poll_changed)(struct drm_device *dev);
1001 int (*atomic_check)(struct drm_device *dev,
1002 struct drm_atomic_state *a);
1003 int (*atomic_commit)(struct drm_device *dev,
1004 struct drm_atomic_state *a,
1006 struct drm_atomic_state *(*atomic_state_alloc)(struct drm_device *dev);
1007 void (*atomic_state_clear)(struct drm_atomic_state *state);
1008 void (*atomic_state_free)(struct drm_atomic_state *state);
1012 * struct drm_mode_group - group of mode setting resources for potential sub-grouping
1013 * @num_crtcs: CRTC count
1014 * @num_encoders: encoder count
1015 * @num_connectors: connector count
1016 * @num_bridges: bridge count
1017 * @id_list: list of KMS object IDs in this group
1019 * Currently this simply tracks the global mode setting state. But in the
1020 * future it could allow groups of objects to be set aside into independent
1021 * control groups for use by different user level processes (e.g. two X servers
1022 * running simultaneously on different heads, each with their own mode
1023 * configuration and freedom of mode setting).
1025 struct drm_mode_group {
1027 uint32_t num_encoders;
1028 uint32_t num_connectors;
1030 /* list of object IDs for this group */
1035 * struct drm_mode_config - Mode configuration control structure
1036 * @mutex: mutex protecting KMS related lists and structures
1037 * @connection_mutex: ww mutex protecting connector state and routing
1038 * @acquire_ctx: global implicit acquire context used by atomic drivers for
1040 * @idr_mutex: mutex for KMS ID allocation and management
1041 * @crtc_idr: main KMS ID tracking object
1042 * @fb_lock: mutex to protect fb state and lists
1043 * @num_fb: number of fbs available
1044 * @fb_list: list of framebuffers available
1045 * @num_connector: number of connectors on this device
1046 * @connector_list: list of connector objects
1047 * @num_encoder: number of encoders on this device
1048 * @encoder_list: list of encoder objects
1049 * @num_overlay_plane: number of overlay planes on this device
1050 * @num_total_plane: number of universal (i.e. with primary/curso) planes on this device
1051 * @plane_list: list of plane objects
1052 * @num_crtc: number of CRTCs on this device
1053 * @crtc_list: list of CRTC objects
1054 * @property_list: list of property objects
1055 * @min_width: minimum pixel width on this device
1056 * @min_height: minimum pixel height on this device
1057 * @max_width: maximum pixel width on this device
1058 * @max_height: maximum pixel height on this device
1059 * @funcs: core driver provided mode setting functions
1060 * @fb_base: base address of the framebuffer
1061 * @poll_enabled: track polling support for this device
1062 * @poll_running: track polling status for this device
1063 * @output_poll_work: delayed work for polling in process context
1064 * @property_blob_list: list of all the blob property objects
1065 * @blob_lock: mutex for blob property allocation and management
1066 * @*_property: core property tracking
1067 * @preferred_depth: preferred RBG pixel depth, used by fb helpers
1068 * @prefer_shadow: hint to userspace to prefer shadow-fb rendering
1069 * @async_page_flip: does this device support async flips on the primary plane?
1070 * @cursor_width: hint to userspace for max cursor width
1071 * @cursor_height: hint to userspace for max cursor height
1073 * Core mode resource tracking structure. All CRTC, encoders, and connectors
1074 * enumerated by the driver are added here, as are global properties. Some
1075 * global restrictions are also here, e.g. dimension restrictions.
1077 struct drm_mode_config {
1078 struct mutex mutex; /* protects configuration (mode lists etc.) */
1079 struct drm_modeset_lock connection_mutex; /* protects connector->encoder and encoder->crtc links */
1080 struct drm_modeset_acquire_ctx *acquire_ctx; /* for legacy _lock_all() / _unlock_all() */
1081 struct mutex idr_mutex; /* for IDR management */
1082 struct idr crtc_idr; /* use this idr for all IDs, fb, crtc, connector, modes - just makes life easier */
1083 struct idr tile_idr; /* use this idr for all IDs, fb, crtc, connector, modes - just makes life easier */
1084 /* this is limited to one for now */
1086 struct mutex fb_lock; /* proctects global and per-file fb lists */
1088 struct list_head fb_list;
1091 struct list_head connector_list;
1093 struct list_head encoder_list;
1096 * Track # of overlay planes separately from # of total planes. By
1097 * default we only advertise overlay planes to userspace; if userspace
1098 * sets the "universal plane" capability bit, we'll go ahead and
1099 * expose all planes.
1101 int num_overlay_plane;
1102 int num_total_plane;
1103 struct list_head plane_list;
1106 struct list_head crtc_list;
1108 struct list_head property_list;
1110 int min_width, min_height;
1111 int max_width, max_height;
1112 const struct drm_mode_config_funcs *funcs;
1113 resource_size_t fb_base;
1115 /* output poll support */
1119 struct delayed_work output_poll_work;
1121 struct mutex blob_lock;
1123 /* pointers to standard properties */
1124 struct list_head property_blob_list;
1125 struct drm_property *edid_property;
1126 struct drm_property *dpms_property;
1127 struct drm_property *path_property;
1128 struct drm_property *tile_property;
1129 struct drm_property *plane_type_property;
1130 struct drm_property *rotation_property;
1131 struct drm_property *prop_src_x;
1132 struct drm_property *prop_src_y;
1133 struct drm_property *prop_src_w;
1134 struct drm_property *prop_src_h;
1135 struct drm_property *prop_crtc_x;
1136 struct drm_property *prop_crtc_y;
1137 struct drm_property *prop_crtc_w;
1138 struct drm_property *prop_crtc_h;
1139 struct drm_property *prop_fb_id;
1140 struct drm_property *prop_crtc_id;
1141 struct drm_property *prop_active;
1143 /* DVI-I properties */
1144 struct drm_property *dvi_i_subconnector_property;
1145 struct drm_property *dvi_i_select_subconnector_property;
1148 struct drm_property *tv_subconnector_property;
1149 struct drm_property *tv_select_subconnector_property;
1150 struct drm_property *tv_mode_property;
1151 struct drm_property *tv_left_margin_property;
1152 struct drm_property *tv_right_margin_property;
1153 struct drm_property *tv_top_margin_property;
1154 struct drm_property *tv_bottom_margin_property;
1155 struct drm_property *tv_brightness_property;
1156 struct drm_property *tv_contrast_property;
1157 struct drm_property *tv_flicker_reduction_property;
1158 struct drm_property *tv_overscan_property;
1159 struct drm_property *tv_saturation_property;
1160 struct drm_property *tv_hue_property;
1162 /* Optional properties */
1163 struct drm_property *scaling_mode_property;
1164 struct drm_property *aspect_ratio_property;
1165 struct drm_property *dirty_info_property;
1167 /* properties for virtual machine layout */
1168 struct drm_property *suggested_x_property;
1169 struct drm_property *suggested_y_property;
1171 /* dumb ioctl parameters */
1172 uint32_t preferred_depth, prefer_shadow;
1174 /* whether async page flip is supported or not */
1175 bool async_page_flip;
1177 /* whether the driver supports fb modifiers */
1178 bool allow_fb_modifiers;
1181 uint32_t cursor_width, cursor_height;
1185 * drm_for_each_plane_mask - iterate over planes specified by bitmask
1186 * @plane: the loop cursor
1187 * @dev: the DRM device
1188 * @plane_mask: bitmask of plane indices
1190 * Iterate over all planes specified by bitmask.
1192 #define drm_for_each_plane_mask(plane, dev, plane_mask) \
1193 list_for_each_entry((plane), &(dev)->mode_config.plane_list, head) \
1194 if ((plane_mask) & (1 << drm_plane_index(plane)))
1197 #define obj_to_crtc(x) container_of(x, struct drm_crtc, base)
1198 #define obj_to_connector(x) container_of(x, struct drm_connector, base)
1199 #define obj_to_encoder(x) container_of(x, struct drm_encoder, base)
1200 #define obj_to_mode(x) container_of(x, struct drm_display_mode, base)
1201 #define obj_to_fb(x) container_of(x, struct drm_framebuffer, base)
1202 #define obj_to_property(x) container_of(x, struct drm_property, base)
1203 #define obj_to_blob(x) container_of(x, struct drm_property_blob, base)
1204 #define obj_to_plane(x) container_of(x, struct drm_plane, base)
1206 struct drm_prop_enum_list {
1211 extern int drm_crtc_init_with_planes(struct drm_device *dev,
1212 struct drm_crtc *crtc,
1213 struct drm_plane *primary,
1214 struct drm_plane *cursor,
1215 const struct drm_crtc_funcs *funcs);
1216 extern void drm_crtc_cleanup(struct drm_crtc *crtc);
1217 extern unsigned int drm_crtc_index(struct drm_crtc *crtc);
1220 * drm_crtc_mask - find the mask of a registered CRTC
1221 * @crtc: CRTC to find mask for
1223 * Given a registered CRTC, return the mask bit of that CRTC for an
1224 * encoder's possible_crtcs field.
1226 static inline uint32_t drm_crtc_mask(struct drm_crtc *crtc)
1228 return 1 << drm_crtc_index(crtc);
1231 extern void drm_connector_ida_init(void);
1232 extern void drm_connector_ida_destroy(void);
1233 extern int drm_connector_init(struct drm_device *dev,
1234 struct drm_connector *connector,
1235 const struct drm_connector_funcs *funcs,
1236 int connector_type);
1237 int drm_connector_register(struct drm_connector *connector);
1238 void drm_connector_unregister(struct drm_connector *connector);
1240 extern void drm_connector_cleanup(struct drm_connector *connector);
1241 extern unsigned int drm_connector_index(struct drm_connector *connector);
1242 /* helper to unplug all connectors from sysfs for device */
1243 extern void drm_connector_unplug_all(struct drm_device *dev);
1245 extern int drm_bridge_add(struct drm_bridge *bridge);
1246 extern void drm_bridge_remove(struct drm_bridge *bridge);
1247 extern struct drm_bridge *of_drm_find_bridge(struct device_node *np);
1248 extern int drm_bridge_attach(struct drm_device *dev, struct drm_bridge *bridge);
1250 extern int drm_encoder_init(struct drm_device *dev,
1251 struct drm_encoder *encoder,
1252 const struct drm_encoder_funcs *funcs,
1256 * drm_encoder_crtc_ok - can a given crtc drive a given encoder?
1257 * @encoder: encoder to test
1258 * @crtc: crtc to test
1260 * Return false if @encoder can't be driven by @crtc, true otherwise.
1262 static inline bool drm_encoder_crtc_ok(struct drm_encoder *encoder,
1263 struct drm_crtc *crtc)
1265 return !!(encoder->possible_crtcs & drm_crtc_mask(crtc));
1268 extern int drm_universal_plane_init(struct drm_device *dev,
1269 struct drm_plane *plane,
1270 unsigned long possible_crtcs,
1271 const struct drm_plane_funcs *funcs,
1272 const uint32_t *formats,
1273 uint32_t format_count,
1274 enum drm_plane_type type);
1275 extern int drm_plane_init(struct drm_device *dev,
1276 struct drm_plane *plane,
1277 unsigned long possible_crtcs,
1278 const struct drm_plane_funcs *funcs,
1279 const uint32_t *formats, uint32_t format_count,
1281 extern void drm_plane_cleanup(struct drm_plane *plane);
1282 extern unsigned int drm_plane_index(struct drm_plane *plane);
1283 extern struct drm_plane * drm_plane_from_index(struct drm_device *dev, int idx);
1284 extern void drm_plane_force_disable(struct drm_plane *plane);
1285 extern int drm_plane_check_pixel_format(const struct drm_plane *plane,
1287 extern void drm_crtc_get_hv_timing(const struct drm_display_mode *mode,
1288 int *hdisplay, int *vdisplay);
1289 extern int drm_crtc_check_viewport(const struct drm_crtc *crtc,
1291 const struct drm_display_mode *mode,
1292 const struct drm_framebuffer *fb);
1294 extern void drm_encoder_cleanup(struct drm_encoder *encoder);
1296 extern const char *drm_get_connector_status_name(enum drm_connector_status status);
1297 extern const char *drm_get_subpixel_order_name(enum subpixel_order order);
1298 extern const char *drm_get_dpms_name(int val);
1299 extern const char *drm_get_dvi_i_subconnector_name(int val);
1300 extern const char *drm_get_dvi_i_select_name(int val);
1301 extern const char *drm_get_tv_subconnector_name(int val);
1302 extern const char *drm_get_tv_select_name(int val);
1303 extern void drm_fb_release(struct drm_file *file_priv);
1304 extern int drm_mode_group_init_legacy_group(struct drm_device *dev, struct drm_mode_group *group);
1305 extern void drm_mode_group_destroy(struct drm_mode_group *group);
1306 extern void drm_reinit_primary_mode_group(struct drm_device *dev);
1307 extern bool drm_probe_ddc(struct i2c_adapter *adapter);
1308 extern struct edid *drm_get_edid(struct drm_connector *connector,
1309 struct i2c_adapter *adapter);
1310 extern struct edid *drm_edid_duplicate(const struct edid *edid);
1311 extern int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid);
1312 extern void drm_mode_config_init(struct drm_device *dev);
1313 extern void drm_mode_config_reset(struct drm_device *dev);
1314 extern void drm_mode_config_cleanup(struct drm_device *dev);
1316 extern int drm_mode_connector_set_path_property(struct drm_connector *connector,
1318 int drm_mode_connector_set_tile_property(struct drm_connector *connector);
1319 extern int drm_mode_connector_update_edid_property(struct drm_connector *connector,
1320 const struct edid *edid);
1322 extern int drm_display_info_set_bus_formats(struct drm_display_info *info,
1324 unsigned int num_formats);
1326 static inline bool drm_property_type_is(struct drm_property *property,
1329 /* instanceof for props.. handles extended type vs original types: */
1330 if (property->flags & DRM_MODE_PROP_EXTENDED_TYPE)
1331 return (property->flags & DRM_MODE_PROP_EXTENDED_TYPE) == type;
1332 return property->flags & type;
1335 static inline bool drm_property_type_valid(struct drm_property *property)
1337 if (property->flags & DRM_MODE_PROP_EXTENDED_TYPE)
1338 return !(property->flags & DRM_MODE_PROP_LEGACY_TYPE);
1339 return !!(property->flags & DRM_MODE_PROP_LEGACY_TYPE);
1342 extern int drm_object_property_set_value(struct drm_mode_object *obj,
1343 struct drm_property *property,
1345 extern int drm_object_property_get_value(struct drm_mode_object *obj,
1346 struct drm_property *property,
1348 extern int drm_framebuffer_init(struct drm_device *dev,
1349 struct drm_framebuffer *fb,
1350 const struct drm_framebuffer_funcs *funcs);
1351 extern struct drm_framebuffer *drm_framebuffer_lookup(struct drm_device *dev,
1353 extern void drm_framebuffer_unreference(struct drm_framebuffer *fb);
1354 extern void drm_framebuffer_reference(struct drm_framebuffer *fb);
1355 extern void drm_framebuffer_remove(struct drm_framebuffer *fb);
1356 extern void drm_framebuffer_cleanup(struct drm_framebuffer *fb);
1357 extern void drm_framebuffer_unregister_private(struct drm_framebuffer *fb);
1359 extern void drm_object_attach_property(struct drm_mode_object *obj,
1360 struct drm_property *property,
1362 extern struct drm_property *drm_property_create(struct drm_device *dev, int flags,
1363 const char *name, int num_values);
1364 extern struct drm_property *drm_property_create_enum(struct drm_device *dev, int flags,
1366 const struct drm_prop_enum_list *props,
1368 struct drm_property *drm_property_create_bitmask(struct drm_device *dev,
1369 int flags, const char *name,
1370 const struct drm_prop_enum_list *props,
1372 uint64_t supported_bits);
1373 struct drm_property *drm_property_create_range(struct drm_device *dev, int flags,
1375 uint64_t min, uint64_t max);
1376 struct drm_property *drm_property_create_signed_range(struct drm_device *dev,
1377 int flags, const char *name,
1378 int64_t min, int64_t max);
1379 struct drm_property *drm_property_create_object(struct drm_device *dev,
1380 int flags, const char *name, uint32_t type);
1381 struct drm_property *drm_property_create_bool(struct drm_device *dev, int flags,
1383 struct drm_property_blob *drm_property_create_blob(struct drm_device *dev,
1386 struct drm_property_blob *drm_property_lookup_blob(struct drm_device *dev,
1388 struct drm_property_blob *drm_property_reference_blob(struct drm_property_blob *blob);
1389 void drm_property_unreference_blob(struct drm_property_blob *blob);
1390 extern void drm_property_destroy(struct drm_device *dev, struct drm_property *property);
1391 extern int drm_property_add_enum(struct drm_property *property, int index,
1392 uint64_t value, const char *name);
1393 extern int drm_mode_create_dvi_i_properties(struct drm_device *dev);
1394 extern int drm_mode_create_tv_properties(struct drm_device *dev,
1395 unsigned int num_modes,
1397 extern int drm_mode_create_scaling_mode_property(struct drm_device *dev);
1398 extern int drm_mode_create_aspect_ratio_property(struct drm_device *dev);
1399 extern int drm_mode_create_dirty_info_property(struct drm_device *dev);
1400 extern int drm_mode_create_suggested_offset_properties(struct drm_device *dev);
1401 extern bool drm_property_change_valid_get(struct drm_property *property,
1402 uint64_t value, struct drm_mode_object **ref);
1403 extern void drm_property_change_valid_put(struct drm_property *property,
1404 struct drm_mode_object *ref);
1406 extern int drm_mode_connector_attach_encoder(struct drm_connector *connector,
1407 struct drm_encoder *encoder);
1408 extern int drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc,
1410 extern struct drm_mode_object *drm_mode_object_find(struct drm_device *dev,
1411 uint32_t id, uint32_t type);
1414 extern int drm_mode_getresources(struct drm_device *dev,
1415 void *data, struct drm_file *file_priv);
1416 extern int drm_mode_getplane_res(struct drm_device *dev, void *data,
1417 struct drm_file *file_priv);
1418 extern int drm_mode_getcrtc(struct drm_device *dev,
1419 void *data, struct drm_file *file_priv);
1420 extern int drm_mode_getconnector(struct drm_device *dev,
1421 void *data, struct drm_file *file_priv);
1422 extern int drm_mode_set_config_internal(struct drm_mode_set *set);
1423 extern int drm_mode_setcrtc(struct drm_device *dev,
1424 void *data, struct drm_file *file_priv);
1425 extern int drm_mode_getplane(struct drm_device *dev,
1426 void *data, struct drm_file *file_priv);
1427 extern int drm_mode_setplane(struct drm_device *dev,
1428 void *data, struct drm_file *file_priv);
1429 extern int drm_mode_cursor_ioctl(struct drm_device *dev,
1430 void *data, struct drm_file *file_priv);
1431 extern int drm_mode_cursor2_ioctl(struct drm_device *dev,
1432 void *data, struct drm_file *file_priv);
1433 extern int drm_mode_addfb(struct drm_device *dev,
1434 void *data, struct drm_file *file_priv);
1435 extern int drm_mode_addfb2(struct drm_device *dev,
1436 void *data, struct drm_file *file_priv);
1437 extern uint32_t drm_mode_legacy_fb_format(uint32_t bpp, uint32_t depth);
1438 extern int drm_mode_rmfb(struct drm_device *dev,
1439 void *data, struct drm_file *file_priv);
1440 extern int drm_mode_getfb(struct drm_device *dev,
1441 void *data, struct drm_file *file_priv);
1442 extern int drm_mode_dirtyfb_ioctl(struct drm_device *dev,
1443 void *data, struct drm_file *file_priv);
1445 extern int drm_mode_getproperty_ioctl(struct drm_device *dev,
1446 void *data, struct drm_file *file_priv);
1447 extern int drm_mode_getblob_ioctl(struct drm_device *dev,
1448 void *data, struct drm_file *file_priv);
1449 extern int drm_mode_connector_property_set_ioctl(struct drm_device *dev,
1450 void *data, struct drm_file *file_priv);
1451 extern int drm_mode_getencoder(struct drm_device *dev,
1452 void *data, struct drm_file *file_priv);
1453 extern int drm_mode_gamma_get_ioctl(struct drm_device *dev,
1454 void *data, struct drm_file *file_priv);
1455 extern int drm_mode_gamma_set_ioctl(struct drm_device *dev,
1456 void *data, struct drm_file *file_priv);
1457 extern u8 drm_match_cea_mode(const struct drm_display_mode *to_match);
1458 extern enum hdmi_picture_aspect drm_get_cea_aspect_ratio(const u8 video_code);
1459 extern bool drm_detect_hdmi_monitor(struct edid *edid);
1460 extern bool drm_detect_monitor_audio(struct edid *edid);
1461 extern bool drm_rgb_quant_range_selectable(struct edid *edid);
1462 extern int drm_mode_page_flip_ioctl(struct drm_device *dev,
1463 void *data, struct drm_file *file_priv);
1464 extern int drm_add_modes_noedid(struct drm_connector *connector,
1465 int hdisplay, int vdisplay);
1466 extern void drm_set_preferred_mode(struct drm_connector *connector,
1467 int hpref, int vpref);
1469 extern int drm_edid_header_is_valid(const u8 *raw_edid);
1470 extern bool drm_edid_block_valid(u8 *raw_edid, int block, bool print_bad_edid,
1471 bool *edid_corrupt);
1472 extern bool drm_edid_is_valid(struct edid *edid);
1474 extern struct drm_tile_group *drm_mode_create_tile_group(struct drm_device *dev,
1476 extern struct drm_tile_group *drm_mode_get_tile_group(struct drm_device *dev,
1478 extern void drm_mode_put_tile_group(struct drm_device *dev,
1479 struct drm_tile_group *tg);
1480 struct drm_display_mode *drm_mode_find_dmt(struct drm_device *dev,
1481 int hsize, int vsize, int fresh,
1484 extern int drm_mode_create_dumb_ioctl(struct drm_device *dev,
1485 void *data, struct drm_file *file_priv);
1486 extern int drm_mode_mmap_dumb_ioctl(struct drm_device *dev,
1487 void *data, struct drm_file *file_priv);
1488 extern int drm_mode_destroy_dumb_ioctl(struct drm_device *dev,
1489 void *data, struct drm_file *file_priv);
1490 extern int drm_mode_obj_get_properties_ioctl(struct drm_device *dev, void *data,
1491 struct drm_file *file_priv);
1492 extern int drm_mode_obj_set_property_ioctl(struct drm_device *dev, void *data,
1493 struct drm_file *file_priv);
1494 extern int drm_mode_plane_set_obj_prop(struct drm_plane *plane,
1495 struct drm_property *property,
1497 extern int drm_mode_atomic_ioctl(struct drm_device *dev,
1498 void *data, struct drm_file *file_priv);
1500 extern void drm_fb_get_bpp_depth(uint32_t format, unsigned int *depth,
1502 extern int drm_format_num_planes(uint32_t format);
1503 extern int drm_format_plane_cpp(uint32_t format, int plane);
1504 extern int drm_format_horz_chroma_subsampling(uint32_t format);
1505 extern int drm_format_vert_chroma_subsampling(uint32_t format);
1506 extern const char *drm_get_format_name(uint32_t format);
1507 extern struct drm_property *drm_mode_create_rotation_property(struct drm_device *dev,
1508 unsigned int supported_rotations);
1509 extern unsigned int drm_rotation_simplify(unsigned int rotation,
1510 unsigned int supported_rotations);
1514 static inline struct drm_plane *drm_plane_find(struct drm_device *dev,
1517 struct drm_mode_object *mo;
1518 mo = drm_mode_object_find(dev, id, DRM_MODE_OBJECT_PLANE);
1519 return mo ? obj_to_plane(mo) : NULL;
1522 static inline struct drm_crtc *drm_crtc_find(struct drm_device *dev,
1525 struct drm_mode_object *mo;
1526 mo = drm_mode_object_find(dev, id, DRM_MODE_OBJECT_CRTC);
1527 return mo ? obj_to_crtc(mo) : NULL;
1530 static inline struct drm_encoder *drm_encoder_find(struct drm_device *dev,
1533 struct drm_mode_object *mo;
1534 mo = drm_mode_object_find(dev, id, DRM_MODE_OBJECT_ENCODER);
1535 return mo ? obj_to_encoder(mo) : NULL;
1538 static inline struct drm_connector *drm_connector_find(struct drm_device *dev,
1541 struct drm_mode_object *mo;
1542 mo = drm_mode_object_find(dev, id, DRM_MODE_OBJECT_CONNECTOR);
1543 return mo ? obj_to_connector(mo) : NULL;
1546 static inline struct drm_property *drm_property_find(struct drm_device *dev,
1549 struct drm_mode_object *mo;
1550 mo = drm_mode_object_find(dev, id, DRM_MODE_OBJECT_PROPERTY);
1551 return mo ? obj_to_property(mo) : NULL;
1554 /* Plane list iterator for legacy (overlay only) planes. */
1555 #define drm_for_each_legacy_plane(plane, planelist) \
1556 list_for_each_entry(plane, planelist, head) \
1557 if (plane->type == DRM_PLANE_TYPE_OVERLAY)
1559 #endif /* __DRM_CRTC_H__ */