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 * @encoder: encoder to which this bridge is connected
907 * @next: the next bridge in the encoder chain
908 * @of_node: device node pointer to the bridge
909 * @list: to keep track of all added bridges
910 * @base: base mode object
911 * @funcs: control functions
912 * @driver_private: pointer to the bridge driver's internal context
915 struct drm_device
*dev
;
916 struct drm_encoder
*encoder
;
917 struct drm_bridge
*next
;
919 struct device_node
*of_node
;
921 struct list_head list
;
923 const struct drm_bridge_funcs
*funcs
;
924 void *driver_private
;
928 * struct drm_atomic_state - the global state object for atomic updates
929 * @dev: parent DRM device
930 * @allow_modeset: allow full modeset
931 * @legacy_cursor_update: hint to enforce legacy cursor ioctl semantics
932 * @planes: pointer to array of plane pointers
933 * @plane_states: pointer to array of plane states pointers
934 * @crtcs: pointer to array of CRTC pointers
935 * @crtc_states: pointer to array of CRTC states pointers
936 * @num_connector: size of the @connectors and @connector_states arrays
937 * @connectors: pointer to array of connector pointers
938 * @connector_states: pointer to array of connector states pointers
939 * @acquire_ctx: acquire context for this atomic modeset state update
941 struct drm_atomic_state
{
942 struct drm_device
*dev
;
943 bool allow_modeset
: 1;
944 bool legacy_cursor_update
: 1;
945 struct drm_plane
**planes
;
946 struct drm_plane_state
**plane_states
;
947 struct drm_crtc
**crtcs
;
948 struct drm_crtc_state
**crtc_states
;
950 struct drm_connector
**connectors
;
951 struct drm_connector_state
**connector_states
;
953 struct drm_modeset_acquire_ctx
*acquire_ctx
;
958 * struct drm_mode_set - new values for a CRTC config change
959 * @fb: framebuffer to use for new config
960 * @crtc: CRTC whose configuration we're about to change
961 * @mode: mode timings to use
962 * @x: position of this CRTC relative to @fb
963 * @y: position of this CRTC relative to @fb
964 * @connectors: array of connectors to drive with this CRTC if possible
965 * @num_connectors: size of @connectors array
967 * Represents a single crtc the connectors that it drives with what mode
968 * and from which framebuffer it scans out from.
970 * This is used to set modes.
972 struct drm_mode_set
{
973 struct drm_framebuffer
*fb
;
974 struct drm_crtc
*crtc
;
975 struct drm_display_mode
*mode
;
980 struct drm_connector
**connectors
;
981 size_t num_connectors
;
985 * struct drm_mode_config_funcs - basic driver provided mode setting functions
986 * @fb_create: create a new framebuffer object
987 * @output_poll_changed: function to handle output configuration changes
988 * @atomic_check: check whether a given atomic state update is possible
989 * @atomic_commit: commit an atomic state update previously verified with
991 * @atomic_state_alloc: allocate a new atomic state
992 * @atomic_state_clear: clear the atomic state
993 * @atomic_state_free: free the atomic state
995 * Some global (i.e. not per-CRTC, connector, etc) mode setting functions that
998 struct drm_mode_config_funcs
{
999 struct drm_framebuffer
*(*fb_create
)(struct drm_device
*dev
,
1000 struct drm_file
*file_priv
,
1001 struct drm_mode_fb_cmd2
*mode_cmd
);
1002 void (*output_poll_changed
)(struct drm_device
*dev
);
1004 int (*atomic_check
)(struct drm_device
*dev
,
1005 struct drm_atomic_state
*a
);
1006 int (*atomic_commit
)(struct drm_device
*dev
,
1007 struct drm_atomic_state
*a
,
1009 struct drm_atomic_state
*(*atomic_state_alloc
)(struct drm_device
*dev
);
1010 void (*atomic_state_clear
)(struct drm_atomic_state
*state
);
1011 void (*atomic_state_free
)(struct drm_atomic_state
*state
);
1015 * struct drm_mode_group - group of mode setting resources for potential sub-grouping
1016 * @num_crtcs: CRTC count
1017 * @num_encoders: encoder count
1018 * @num_connectors: connector count
1019 * @num_bridges: bridge count
1020 * @id_list: list of KMS object IDs in this group
1022 * Currently this simply tracks the global mode setting state. But in the
1023 * future it could allow groups of objects to be set aside into independent
1024 * control groups for use by different user level processes (e.g. two X servers
1025 * running simultaneously on different heads, each with their own mode
1026 * configuration and freedom of mode setting).
1028 struct drm_mode_group
{
1030 uint32_t num_encoders
;
1031 uint32_t num_connectors
;
1033 /* list of object IDs for this group */
1038 * struct drm_mode_config - Mode configuration control structure
1039 * @mutex: mutex protecting KMS related lists and structures
1040 * @connection_mutex: ww mutex protecting connector state and routing
1041 * @acquire_ctx: global implicit acquire context used by atomic drivers for
1043 * @idr_mutex: mutex for KMS ID allocation and management
1044 * @crtc_idr: main KMS ID tracking object
1045 * @fb_lock: mutex to protect fb state and lists
1046 * @num_fb: number of fbs available
1047 * @fb_list: list of framebuffers available
1048 * @num_connector: number of connectors on this device
1049 * @connector_list: list of connector objects
1050 * @num_encoder: number of encoders on this device
1051 * @encoder_list: list of encoder objects
1052 * @num_overlay_plane: number of overlay planes on this device
1053 * @num_total_plane: number of universal (i.e. with primary/curso) planes on this device
1054 * @plane_list: list of plane objects
1055 * @num_crtc: number of CRTCs on this device
1056 * @crtc_list: list of CRTC objects
1057 * @property_list: list of property objects
1058 * @min_width: minimum pixel width on this device
1059 * @min_height: minimum pixel height on this device
1060 * @max_width: maximum pixel width on this device
1061 * @max_height: maximum pixel height on this device
1062 * @funcs: core driver provided mode setting functions
1063 * @fb_base: base address of the framebuffer
1064 * @poll_enabled: track polling support for this device
1065 * @poll_running: track polling status for this device
1066 * @output_poll_work: delayed work for polling in process context
1067 * @property_blob_list: list of all the blob property objects
1068 * @blob_lock: mutex for blob property allocation and management
1069 * @*_property: core property tracking
1070 * @preferred_depth: preferred RBG pixel depth, used by fb helpers
1071 * @prefer_shadow: hint to userspace to prefer shadow-fb rendering
1072 * @async_page_flip: does this device support async flips on the primary plane?
1073 * @cursor_width: hint to userspace for max cursor width
1074 * @cursor_height: hint to userspace for max cursor height
1076 * Core mode resource tracking structure. All CRTC, encoders, and connectors
1077 * enumerated by the driver are added here, as are global properties. Some
1078 * global restrictions are also here, e.g. dimension restrictions.
1080 struct drm_mode_config
{
1081 struct mutex mutex
; /* protects configuration (mode lists etc.) */
1082 struct drm_modeset_lock connection_mutex
; /* protects connector->encoder and encoder->crtc links */
1083 struct drm_modeset_acquire_ctx
*acquire_ctx
; /* for legacy _lock_all() / _unlock_all() */
1084 struct mutex idr_mutex
; /* for IDR management */
1085 struct idr crtc_idr
; /* use this idr for all IDs, fb, crtc, connector, modes - just makes life easier */
1086 struct idr tile_idr
; /* use this idr for all IDs, fb, crtc, connector, modes - just makes life easier */
1087 /* this is limited to one for now */
1089 struct mutex fb_lock
; /* proctects global and per-file fb lists */
1091 struct list_head fb_list
;
1094 struct list_head connector_list
;
1096 struct list_head encoder_list
;
1099 * Track # of overlay planes separately from # of total planes. By
1100 * default we only advertise overlay planes to userspace; if userspace
1101 * sets the "universal plane" capability bit, we'll go ahead and
1102 * expose all planes.
1104 int num_overlay_plane
;
1105 int num_total_plane
;
1106 struct list_head plane_list
;
1109 struct list_head crtc_list
;
1111 struct list_head property_list
;
1113 int min_width
, min_height
;
1114 int max_width
, max_height
;
1115 const struct drm_mode_config_funcs
*funcs
;
1116 resource_size_t fb_base
;
1118 /* output poll support */
1122 struct delayed_work output_poll_work
;
1124 struct mutex blob_lock
;
1126 /* pointers to standard properties */
1127 struct list_head property_blob_list
;
1128 struct drm_property
*edid_property
;
1129 struct drm_property
*dpms_property
;
1130 struct drm_property
*path_property
;
1131 struct drm_property
*tile_property
;
1132 struct drm_property
*plane_type_property
;
1133 struct drm_property
*rotation_property
;
1134 struct drm_property
*prop_src_x
;
1135 struct drm_property
*prop_src_y
;
1136 struct drm_property
*prop_src_w
;
1137 struct drm_property
*prop_src_h
;
1138 struct drm_property
*prop_crtc_x
;
1139 struct drm_property
*prop_crtc_y
;
1140 struct drm_property
*prop_crtc_w
;
1141 struct drm_property
*prop_crtc_h
;
1142 struct drm_property
*prop_fb_id
;
1143 struct drm_property
*prop_crtc_id
;
1144 struct drm_property
*prop_active
;
1146 /* DVI-I properties */
1147 struct drm_property
*dvi_i_subconnector_property
;
1148 struct drm_property
*dvi_i_select_subconnector_property
;
1151 struct drm_property
*tv_subconnector_property
;
1152 struct drm_property
*tv_select_subconnector_property
;
1153 struct drm_property
*tv_mode_property
;
1154 struct drm_property
*tv_left_margin_property
;
1155 struct drm_property
*tv_right_margin_property
;
1156 struct drm_property
*tv_top_margin_property
;
1157 struct drm_property
*tv_bottom_margin_property
;
1158 struct drm_property
*tv_brightness_property
;
1159 struct drm_property
*tv_contrast_property
;
1160 struct drm_property
*tv_flicker_reduction_property
;
1161 struct drm_property
*tv_overscan_property
;
1162 struct drm_property
*tv_saturation_property
;
1163 struct drm_property
*tv_hue_property
;
1165 /* Optional properties */
1166 struct drm_property
*scaling_mode_property
;
1167 struct drm_property
*aspect_ratio_property
;
1168 struct drm_property
*dirty_info_property
;
1170 /* properties for virtual machine layout */
1171 struct drm_property
*suggested_x_property
;
1172 struct drm_property
*suggested_y_property
;
1174 /* dumb ioctl parameters */
1175 uint32_t preferred_depth
, prefer_shadow
;
1177 /* whether async page flip is supported or not */
1178 bool async_page_flip
;
1180 /* whether the driver supports fb modifiers */
1181 bool allow_fb_modifiers
;
1184 uint32_t cursor_width
, cursor_height
;
1188 * drm_for_each_plane_mask - iterate over planes specified by bitmask
1189 * @plane: the loop cursor
1190 * @dev: the DRM device
1191 * @plane_mask: bitmask of plane indices
1193 * Iterate over all planes specified by bitmask.
1195 #define drm_for_each_plane_mask(plane, dev, plane_mask) \
1196 list_for_each_entry((plane), &(dev)->mode_config.plane_list, head) \
1197 if ((plane_mask) & (1 << drm_plane_index(plane)))
1200 #define obj_to_crtc(x) container_of(x, struct drm_crtc, base)
1201 #define obj_to_connector(x) container_of(x, struct drm_connector, base)
1202 #define obj_to_encoder(x) container_of(x, struct drm_encoder, base)
1203 #define obj_to_mode(x) container_of(x, struct drm_display_mode, base)
1204 #define obj_to_fb(x) container_of(x, struct drm_framebuffer, base)
1205 #define obj_to_property(x) container_of(x, struct drm_property, base)
1206 #define obj_to_blob(x) container_of(x, struct drm_property_blob, base)
1207 #define obj_to_plane(x) container_of(x, struct drm_plane, base)
1209 struct drm_prop_enum_list
{
1214 extern int drm_crtc_init_with_planes(struct drm_device
*dev
,
1215 struct drm_crtc
*crtc
,
1216 struct drm_plane
*primary
,
1217 struct drm_plane
*cursor
,
1218 const struct drm_crtc_funcs
*funcs
);
1219 extern void drm_crtc_cleanup(struct drm_crtc
*crtc
);
1220 extern unsigned int drm_crtc_index(struct drm_crtc
*crtc
);
1223 * drm_crtc_mask - find the mask of a registered CRTC
1224 * @crtc: CRTC to find mask for
1226 * Given a registered CRTC, return the mask bit of that CRTC for an
1227 * encoder's possible_crtcs field.
1229 static inline uint32_t drm_crtc_mask(struct drm_crtc
*crtc
)
1231 return 1 << drm_crtc_index(crtc
);
1234 extern void drm_connector_ida_init(void);
1235 extern void drm_connector_ida_destroy(void);
1236 extern int drm_connector_init(struct drm_device
*dev
,
1237 struct drm_connector
*connector
,
1238 const struct drm_connector_funcs
*funcs
,
1239 int connector_type
);
1240 int drm_connector_register(struct drm_connector
*connector
);
1241 void drm_connector_unregister(struct drm_connector
*connector
);
1243 extern void drm_connector_cleanup(struct drm_connector
*connector
);
1244 extern unsigned int drm_connector_index(struct drm_connector
*connector
);
1245 /* helper to unplug all connectors from sysfs for device */
1246 extern void drm_connector_unplug_all(struct drm_device
*dev
);
1248 extern int drm_bridge_add(struct drm_bridge
*bridge
);
1249 extern void drm_bridge_remove(struct drm_bridge
*bridge
);
1250 extern struct drm_bridge
*of_drm_find_bridge(struct device_node
*np
);
1251 extern int drm_bridge_attach(struct drm_device
*dev
, struct drm_bridge
*bridge
);
1253 bool drm_bridge_mode_fixup(struct drm_bridge
*bridge
,
1254 const struct drm_display_mode
*mode
,
1255 struct drm_display_mode
*adjusted_mode
);
1256 void drm_bridge_disable(struct drm_bridge
*bridge
);
1257 void drm_bridge_post_disable(struct drm_bridge
*bridge
);
1258 void drm_bridge_mode_set(struct drm_bridge
*bridge
,
1259 struct drm_display_mode
*mode
,
1260 struct drm_display_mode
*adjusted_mode
);
1261 void drm_bridge_pre_enable(struct drm_bridge
*bridge
);
1262 void drm_bridge_enable(struct drm_bridge
*bridge
);
1264 extern int drm_encoder_init(struct drm_device
*dev
,
1265 struct drm_encoder
*encoder
,
1266 const struct drm_encoder_funcs
*funcs
,
1270 * drm_encoder_crtc_ok - can a given crtc drive a given encoder?
1271 * @encoder: encoder to test
1272 * @crtc: crtc to test
1274 * Return false if @encoder can't be driven by @crtc, true otherwise.
1276 static inline bool drm_encoder_crtc_ok(struct drm_encoder
*encoder
,
1277 struct drm_crtc
*crtc
)
1279 return !!(encoder
->possible_crtcs
& drm_crtc_mask(crtc
));
1282 extern int drm_universal_plane_init(struct drm_device
*dev
,
1283 struct drm_plane
*plane
,
1284 unsigned long possible_crtcs
,
1285 const struct drm_plane_funcs
*funcs
,
1286 const uint32_t *formats
,
1287 uint32_t format_count
,
1288 enum drm_plane_type type
);
1289 extern int drm_plane_init(struct drm_device
*dev
,
1290 struct drm_plane
*plane
,
1291 unsigned long possible_crtcs
,
1292 const struct drm_plane_funcs
*funcs
,
1293 const uint32_t *formats
, uint32_t format_count
,
1295 extern void drm_plane_cleanup(struct drm_plane
*plane
);
1296 extern unsigned int drm_plane_index(struct drm_plane
*plane
);
1297 extern struct drm_plane
* drm_plane_from_index(struct drm_device
*dev
, int idx
);
1298 extern void drm_plane_force_disable(struct drm_plane
*plane
);
1299 extern int drm_plane_check_pixel_format(const struct drm_plane
*plane
,
1301 extern void drm_crtc_get_hv_timing(const struct drm_display_mode
*mode
,
1302 int *hdisplay
, int *vdisplay
);
1303 extern int drm_crtc_check_viewport(const struct drm_crtc
*crtc
,
1305 const struct drm_display_mode
*mode
,
1306 const struct drm_framebuffer
*fb
);
1308 extern void drm_encoder_cleanup(struct drm_encoder
*encoder
);
1310 extern const char *drm_get_connector_status_name(enum drm_connector_status status
);
1311 extern const char *drm_get_subpixel_order_name(enum subpixel_order order
);
1312 extern const char *drm_get_dpms_name(int val
);
1313 extern const char *drm_get_dvi_i_subconnector_name(int val
);
1314 extern const char *drm_get_dvi_i_select_name(int val
);
1315 extern const char *drm_get_tv_subconnector_name(int val
);
1316 extern const char *drm_get_tv_select_name(int val
);
1317 extern void drm_fb_release(struct drm_file
*file_priv
);
1318 extern int drm_mode_group_init_legacy_group(struct drm_device
*dev
, struct drm_mode_group
*group
);
1319 extern void drm_mode_group_destroy(struct drm_mode_group
*group
);
1320 extern void drm_reinit_primary_mode_group(struct drm_device
*dev
);
1321 extern bool drm_probe_ddc(struct i2c_adapter
*adapter
);
1322 extern struct edid
*drm_get_edid(struct drm_connector
*connector
,
1323 struct i2c_adapter
*adapter
);
1324 extern struct edid
*drm_edid_duplicate(const struct edid
*edid
);
1325 extern int drm_add_edid_modes(struct drm_connector
*connector
, struct edid
*edid
);
1326 extern void drm_mode_config_init(struct drm_device
*dev
);
1327 extern void drm_mode_config_reset(struct drm_device
*dev
);
1328 extern void drm_mode_config_cleanup(struct drm_device
*dev
);
1330 extern int drm_mode_connector_set_path_property(struct drm_connector
*connector
,
1332 int drm_mode_connector_set_tile_property(struct drm_connector
*connector
);
1333 extern int drm_mode_connector_update_edid_property(struct drm_connector
*connector
,
1334 const struct edid
*edid
);
1336 extern int drm_display_info_set_bus_formats(struct drm_display_info
*info
,
1338 unsigned int num_formats
);
1340 static inline bool drm_property_type_is(struct drm_property
*property
,
1343 /* instanceof for props.. handles extended type vs original types: */
1344 if (property
->flags
& DRM_MODE_PROP_EXTENDED_TYPE
)
1345 return (property
->flags
& DRM_MODE_PROP_EXTENDED_TYPE
) == type
;
1346 return property
->flags
& type
;
1349 static inline bool drm_property_type_valid(struct drm_property
*property
)
1351 if (property
->flags
& DRM_MODE_PROP_EXTENDED_TYPE
)
1352 return !(property
->flags
& DRM_MODE_PROP_LEGACY_TYPE
);
1353 return !!(property
->flags
& DRM_MODE_PROP_LEGACY_TYPE
);
1356 extern int drm_object_property_set_value(struct drm_mode_object
*obj
,
1357 struct drm_property
*property
,
1359 extern int drm_object_property_get_value(struct drm_mode_object
*obj
,
1360 struct drm_property
*property
,
1362 extern int drm_framebuffer_init(struct drm_device
*dev
,
1363 struct drm_framebuffer
*fb
,
1364 const struct drm_framebuffer_funcs
*funcs
);
1365 extern struct drm_framebuffer
*drm_framebuffer_lookup(struct drm_device
*dev
,
1367 extern void drm_framebuffer_unreference(struct drm_framebuffer
*fb
);
1368 extern void drm_framebuffer_reference(struct drm_framebuffer
*fb
);
1369 extern void drm_framebuffer_remove(struct drm_framebuffer
*fb
);
1370 extern void drm_framebuffer_cleanup(struct drm_framebuffer
*fb
);
1371 extern void drm_framebuffer_unregister_private(struct drm_framebuffer
*fb
);
1373 extern void drm_object_attach_property(struct drm_mode_object
*obj
,
1374 struct drm_property
*property
,
1376 extern struct drm_property
*drm_property_create(struct drm_device
*dev
, int flags
,
1377 const char *name
, int num_values
);
1378 extern struct drm_property
*drm_property_create_enum(struct drm_device
*dev
, int flags
,
1380 const struct drm_prop_enum_list
*props
,
1382 struct drm_property
*drm_property_create_bitmask(struct drm_device
*dev
,
1383 int flags
, const char *name
,
1384 const struct drm_prop_enum_list
*props
,
1386 uint64_t supported_bits
);
1387 struct drm_property
*drm_property_create_range(struct drm_device
*dev
, int flags
,
1389 uint64_t min
, uint64_t max
);
1390 struct drm_property
*drm_property_create_signed_range(struct drm_device
*dev
,
1391 int flags
, const char *name
,
1392 int64_t min
, int64_t max
);
1393 struct drm_property
*drm_property_create_object(struct drm_device
*dev
,
1394 int flags
, const char *name
, uint32_t type
);
1395 struct drm_property
*drm_property_create_bool(struct drm_device
*dev
, int flags
,
1397 struct drm_property_blob
*drm_property_create_blob(struct drm_device
*dev
,
1400 struct drm_property_blob
*drm_property_lookup_blob(struct drm_device
*dev
,
1402 struct drm_property_blob
*drm_property_reference_blob(struct drm_property_blob
*blob
);
1403 void drm_property_unreference_blob(struct drm_property_blob
*blob
);
1404 extern void drm_property_destroy(struct drm_device
*dev
, struct drm_property
*property
);
1405 extern int drm_property_add_enum(struct drm_property
*property
, int index
,
1406 uint64_t value
, const char *name
);
1407 extern int drm_mode_create_dvi_i_properties(struct drm_device
*dev
);
1408 extern int drm_mode_create_tv_properties(struct drm_device
*dev
,
1409 unsigned int num_modes
,
1411 extern int drm_mode_create_scaling_mode_property(struct drm_device
*dev
);
1412 extern int drm_mode_create_aspect_ratio_property(struct drm_device
*dev
);
1413 extern int drm_mode_create_dirty_info_property(struct drm_device
*dev
);
1414 extern int drm_mode_create_suggested_offset_properties(struct drm_device
*dev
);
1415 extern bool drm_property_change_valid_get(struct drm_property
*property
,
1416 uint64_t value
, struct drm_mode_object
**ref
);
1417 extern void drm_property_change_valid_put(struct drm_property
*property
,
1418 struct drm_mode_object
*ref
);
1420 extern int drm_mode_connector_attach_encoder(struct drm_connector
*connector
,
1421 struct drm_encoder
*encoder
);
1422 extern int drm_mode_crtc_set_gamma_size(struct drm_crtc
*crtc
,
1424 extern struct drm_mode_object
*drm_mode_object_find(struct drm_device
*dev
,
1425 uint32_t id
, uint32_t type
);
1428 extern int drm_mode_getresources(struct drm_device
*dev
,
1429 void *data
, struct drm_file
*file_priv
);
1430 extern int drm_mode_getplane_res(struct drm_device
*dev
, void *data
,
1431 struct drm_file
*file_priv
);
1432 extern int drm_mode_getcrtc(struct drm_device
*dev
,
1433 void *data
, struct drm_file
*file_priv
);
1434 extern int drm_mode_getconnector(struct drm_device
*dev
,
1435 void *data
, struct drm_file
*file_priv
);
1436 extern int drm_mode_set_config_internal(struct drm_mode_set
*set
);
1437 extern int drm_mode_setcrtc(struct drm_device
*dev
,
1438 void *data
, struct drm_file
*file_priv
);
1439 extern int drm_mode_getplane(struct drm_device
*dev
,
1440 void *data
, struct drm_file
*file_priv
);
1441 extern int drm_mode_setplane(struct drm_device
*dev
,
1442 void *data
, struct drm_file
*file_priv
);
1443 extern int drm_mode_cursor_ioctl(struct drm_device
*dev
,
1444 void *data
, struct drm_file
*file_priv
);
1445 extern int drm_mode_cursor2_ioctl(struct drm_device
*dev
,
1446 void *data
, struct drm_file
*file_priv
);
1447 extern int drm_mode_addfb(struct drm_device
*dev
,
1448 void *data
, struct drm_file
*file_priv
);
1449 extern int drm_mode_addfb2(struct drm_device
*dev
,
1450 void *data
, struct drm_file
*file_priv
);
1451 extern uint32_t drm_mode_legacy_fb_format(uint32_t bpp
, uint32_t depth
);
1452 extern int drm_mode_rmfb(struct drm_device
*dev
,
1453 void *data
, struct drm_file
*file_priv
);
1454 extern int drm_mode_getfb(struct drm_device
*dev
,
1455 void *data
, struct drm_file
*file_priv
);
1456 extern int drm_mode_dirtyfb_ioctl(struct drm_device
*dev
,
1457 void *data
, struct drm_file
*file_priv
);
1459 extern int drm_mode_getproperty_ioctl(struct drm_device
*dev
,
1460 void *data
, struct drm_file
*file_priv
);
1461 extern int drm_mode_getblob_ioctl(struct drm_device
*dev
,
1462 void *data
, struct drm_file
*file_priv
);
1463 extern int drm_mode_connector_property_set_ioctl(struct drm_device
*dev
,
1464 void *data
, struct drm_file
*file_priv
);
1465 extern int drm_mode_getencoder(struct drm_device
*dev
,
1466 void *data
, struct drm_file
*file_priv
);
1467 extern int drm_mode_gamma_get_ioctl(struct drm_device
*dev
,
1468 void *data
, struct drm_file
*file_priv
);
1469 extern int drm_mode_gamma_set_ioctl(struct drm_device
*dev
,
1470 void *data
, struct drm_file
*file_priv
);
1471 extern u8
drm_match_cea_mode(const struct drm_display_mode
*to_match
);
1472 extern enum hdmi_picture_aspect
drm_get_cea_aspect_ratio(const u8 video_code
);
1473 extern bool drm_detect_hdmi_monitor(struct edid
*edid
);
1474 extern bool drm_detect_monitor_audio(struct edid
*edid
);
1475 extern bool drm_rgb_quant_range_selectable(struct edid
*edid
);
1476 extern int drm_mode_page_flip_ioctl(struct drm_device
*dev
,
1477 void *data
, struct drm_file
*file_priv
);
1478 extern int drm_add_modes_noedid(struct drm_connector
*connector
,
1479 int hdisplay
, int vdisplay
);
1480 extern void drm_set_preferred_mode(struct drm_connector
*connector
,
1481 int hpref
, int vpref
);
1483 extern int drm_edid_header_is_valid(const u8
*raw_edid
);
1484 extern bool drm_edid_block_valid(u8
*raw_edid
, int block
, bool print_bad_edid
,
1485 bool *edid_corrupt
);
1486 extern bool drm_edid_is_valid(struct edid
*edid
);
1488 extern struct drm_tile_group
*drm_mode_create_tile_group(struct drm_device
*dev
,
1490 extern struct drm_tile_group
*drm_mode_get_tile_group(struct drm_device
*dev
,
1492 extern void drm_mode_put_tile_group(struct drm_device
*dev
,
1493 struct drm_tile_group
*tg
);
1494 struct drm_display_mode
*drm_mode_find_dmt(struct drm_device
*dev
,
1495 int hsize
, int vsize
, int fresh
,
1498 extern int drm_mode_create_dumb_ioctl(struct drm_device
*dev
,
1499 void *data
, struct drm_file
*file_priv
);
1500 extern int drm_mode_mmap_dumb_ioctl(struct drm_device
*dev
,
1501 void *data
, struct drm_file
*file_priv
);
1502 extern int drm_mode_destroy_dumb_ioctl(struct drm_device
*dev
,
1503 void *data
, struct drm_file
*file_priv
);
1504 extern int drm_mode_obj_get_properties_ioctl(struct drm_device
*dev
, void *data
,
1505 struct drm_file
*file_priv
);
1506 extern int drm_mode_obj_set_property_ioctl(struct drm_device
*dev
, void *data
,
1507 struct drm_file
*file_priv
);
1508 extern int drm_mode_plane_set_obj_prop(struct drm_plane
*plane
,
1509 struct drm_property
*property
,
1511 extern int drm_mode_atomic_ioctl(struct drm_device
*dev
,
1512 void *data
, struct drm_file
*file_priv
);
1514 extern void drm_fb_get_bpp_depth(uint32_t format
, unsigned int *depth
,
1516 extern int drm_format_num_planes(uint32_t format
);
1517 extern int drm_format_plane_cpp(uint32_t format
, int plane
);
1518 extern int drm_format_horz_chroma_subsampling(uint32_t format
);
1519 extern int drm_format_vert_chroma_subsampling(uint32_t format
);
1520 extern const char *drm_get_format_name(uint32_t format
);
1521 extern struct drm_property
*drm_mode_create_rotation_property(struct drm_device
*dev
,
1522 unsigned int supported_rotations
);
1523 extern unsigned int drm_rotation_simplify(unsigned int rotation
,
1524 unsigned int supported_rotations
);
1528 static inline struct drm_plane
*drm_plane_find(struct drm_device
*dev
,
1531 struct drm_mode_object
*mo
;
1532 mo
= drm_mode_object_find(dev
, id
, DRM_MODE_OBJECT_PLANE
);
1533 return mo
? obj_to_plane(mo
) : NULL
;
1536 static inline struct drm_crtc
*drm_crtc_find(struct drm_device
*dev
,
1539 struct drm_mode_object
*mo
;
1540 mo
= drm_mode_object_find(dev
, id
, DRM_MODE_OBJECT_CRTC
);
1541 return mo
? obj_to_crtc(mo
) : NULL
;
1544 static inline struct drm_encoder
*drm_encoder_find(struct drm_device
*dev
,
1547 struct drm_mode_object
*mo
;
1548 mo
= drm_mode_object_find(dev
, id
, DRM_MODE_OBJECT_ENCODER
);
1549 return mo
? obj_to_encoder(mo
) : NULL
;
1552 static inline struct drm_connector
*drm_connector_find(struct drm_device
*dev
,
1555 struct drm_mode_object
*mo
;
1556 mo
= drm_mode_object_find(dev
, id
, DRM_MODE_OBJECT_CONNECTOR
);
1557 return mo
? obj_to_connector(mo
) : NULL
;
1560 static inline struct drm_property
*drm_property_find(struct drm_device
*dev
,
1563 struct drm_mode_object
*mo
;
1564 mo
= drm_mode_object_find(dev
, id
, DRM_MODE_OBJECT_PROPERTY
);
1565 return mo
? obj_to_property(mo
) : NULL
;
1568 /* Plane list iterator for legacy (overlay only) planes. */
1569 #define drm_for_each_legacy_plane(plane, planelist) \
1570 list_for_each_entry(plane, planelist, head) \
1571 if (plane->type == DRM_PLANE_TYPE_OVERLAY)
1573 #endif /* __DRM_CRTC_H__ */