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 <uapi/drm/drm_mode.h>
35 #include <uapi/drm/drm_fourcc.h>
36 #include <drm/drm_modeset_lock.h>
40 struct drm_framebuffer
;
41 struct drm_object_properties
;
47 #define DRM_MODE_OBJECT_CRTC 0xcccccccc
48 #define DRM_MODE_OBJECT_CONNECTOR 0xc0c0c0c0
49 #define DRM_MODE_OBJECT_ENCODER 0xe0e0e0e0
50 #define DRM_MODE_OBJECT_MODE 0xdededede
51 #define DRM_MODE_OBJECT_PROPERTY 0xb0b0b0b0
52 #define DRM_MODE_OBJECT_FB 0xfbfbfbfb
53 #define DRM_MODE_OBJECT_BLOB 0xbbbbbbbb
54 #define DRM_MODE_OBJECT_PLANE 0xeeeeeeee
55 #define DRM_MODE_OBJECT_BRIDGE 0xbdbdbdbd
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
{
67 uint32_t ids
[DRM_OBJECT_MAX_PROPERTY
];
68 uint64_t values
[DRM_OBJECT_MAX_PROPERTY
];
71 static inline int64_t U642I64(uint64_t val
)
73 return (int64_t)*((int64_t *)&val
);
75 static inline uint64_t I642U64(int64_t val
)
77 return (uint64_t)*((uint64_t *)&val
);
80 /* rotation property bits */
81 #define DRM_ROTATE_0 0
82 #define DRM_ROTATE_90 1
83 #define DRM_ROTATE_180 2
84 #define DRM_ROTATE_270 3
85 #define DRM_REFLECT_X 4
86 #define DRM_REFLECT_Y 5
88 enum drm_connector_force
{
89 DRM_FORCE_UNSPECIFIED
,
91 DRM_FORCE_ON
, /* force on analog part normally */
92 DRM_FORCE_ON_DIGITAL
, /* for DVI-I use digital connector */
95 #include <drm/drm_modes.h>
97 enum drm_connector_status
{
98 connector_status_connected
= 1,
99 connector_status_disconnected
= 2,
100 connector_status_unknown
= 3,
103 enum subpixel_order
{
105 SubPixelHorizontalRGB
,
106 SubPixelHorizontalBGR
,
112 #define DRM_COLOR_FORMAT_RGB444 (1<<0)
113 #define DRM_COLOR_FORMAT_YCRCB444 (1<<1)
114 #define DRM_COLOR_FORMAT_YCRCB422 (1<<2)
116 * Describes a given display (e.g. CRT or flat panel) and its limitations.
118 struct drm_display_info
{
119 char name
[DRM_DISPLAY_INFO_LEN
];
122 unsigned int width_mm
;
123 unsigned int height_mm
;
125 /* Clock limits FIXME: storage format */
126 unsigned int min_vfreq
, max_vfreq
;
127 unsigned int min_hfreq
, max_hfreq
;
128 unsigned int pixel_clock
;
131 enum subpixel_order subpixel_order
;
134 /* Mask of supported hdmi deep color modes */
135 u8 edid_hdmi_dc_modes
;
140 /* data corresponds to displayid vend/prod/serial */
141 struct drm_tile_group
{
142 struct kref refcount
;
143 struct drm_device
*dev
;
148 struct drm_framebuffer_funcs
{
149 /* note: use drm_framebuffer_remove() */
150 void (*destroy
)(struct drm_framebuffer
*framebuffer
);
151 int (*create_handle
)(struct drm_framebuffer
*fb
,
152 struct drm_file
*file_priv
,
153 unsigned int *handle
);
155 * Optional callback for the dirty fb ioctl.
157 * Userspace can notify the driver via this callback
158 * that a area of the framebuffer has changed and should
159 * be flushed to the display hardware.
161 * See documentation in drm_mode.h for the struct
162 * drm_mode_fb_dirty_cmd for more information as all
163 * the semantics and arguments have a one to one mapping
166 int (*dirty
)(struct drm_framebuffer
*framebuffer
,
167 struct drm_file
*file_priv
, unsigned flags
,
168 unsigned color
, struct drm_clip_rect
*clips
,
172 struct drm_framebuffer
{
173 struct drm_device
*dev
;
175 * Note that the fb is refcounted for the benefit of driver internals,
176 * for example some hw, disabling a CRTC/plane is asynchronous, and
177 * scanout does not actually complete until the next vblank. So some
178 * cleanup (like releasing the reference(s) on the backing GEM bo(s))
179 * should be deferred. In cases like this, the driver would like to
180 * hold a ref to the fb even though it has already been removed from
181 * userspace perspective.
183 struct kref refcount
;
185 * Place on the dev->mode_config.fb_list, access protected by
186 * dev->mode_config.fb_lock.
188 struct list_head head
;
189 struct drm_mode_object base
;
190 const struct drm_framebuffer_funcs
*funcs
;
191 unsigned int pitches
[4];
192 unsigned int offsets
[4];
195 /* depth can be 15 or 16 */
199 uint32_t pixel_format
; /* fourcc format */
200 struct list_head filp_head
;
201 /* if you are using the helper */
202 void *helper_private
;
205 struct drm_property_blob
{
206 struct drm_mode_object base
;
207 struct list_head head
;
209 unsigned char data
[];
212 struct drm_property_enum
{
214 struct list_head head
;
215 char name
[DRM_PROP_NAME_LEN
];
218 struct drm_property
{
219 struct list_head head
;
220 struct drm_mode_object base
;
222 char name
[DRM_PROP_NAME_LEN
];
225 struct drm_device
*dev
;
227 struct list_head enum_list
;
231 struct drm_connector
;
233 struct drm_pending_vblank_event
;
236 struct drm_atomic_state
;
239 * struct drm_crtc_state - mutable CRTC state
240 * @enable: whether the CRTC should be enabled, gates all other state
241 * @mode_changed: for use by helpers and drivers when computing state updates
242 * @plane_mask: bitmask of (1 << drm_plane_index(plane)) of attached planes
243 * @last_vblank_count: for helpers and drivers to capture the vblank of the
244 * update to ensure framebuffer cleanup isn't done too early
245 * @planes_changed: for use by helpers and drivers when computing state updates
246 * @adjusted_mode: for use by helpers and drivers to compute adjusted mode timings
247 * @mode: current mode timings
248 * @event: optional pointer to a DRM event to signal upon completion of the
250 * @state: backpointer to global drm_atomic_state
252 struct drm_crtc_state
{
255 /* computed state bits used by helpers and drivers */
256 bool planes_changed
: 1;
257 bool mode_changed
: 1;
259 /* attached planes bitmask:
260 * WARNING: transitional helpers do not maintain plane_mask so
261 * drivers not converted over to atomic helpers should not rely
262 * on plane_mask being accurate!
266 /* last_vblank_count: for vblank waits before cleanup */
267 u32 last_vblank_count
;
269 /* adjusted_mode: for use by helpers and drivers */
270 struct drm_display_mode adjusted_mode
;
272 struct drm_display_mode mode
;
274 struct drm_pending_vblank_event
*event
;
276 struct drm_atomic_state
*state
;
280 * struct drm_crtc_funcs - control CRTCs for a given device
281 * @save: save CRTC state
282 * @restore: restore CRTC state
283 * @reset: reset CRTC after state has been invalidated (e.g. resume)
284 * @cursor_set: setup the cursor
285 * @cursor_set2: setup the cursor with hotspot, superseeds @cursor_set if set
286 * @cursor_move: move the cursor
287 * @gamma_set: specify color ramp for CRTC
288 * @destroy: deinit and free object
289 * @set_property: called when a property is changed
290 * @set_config: apply a new CRTC configuration
291 * @page_flip: initiate a page flip
292 * @atomic_duplicate_state: duplicate the atomic state for this CRTC
293 * @atomic_destroy_state: destroy an atomic state for this CRTC
294 * @atomic_set_property: set a property on an atomic state for this CRTC
296 * The drm_crtc_funcs structure is the central CRTC management structure
297 * in the DRM. Each CRTC controls one or more connectors (note that the name
298 * CRTC is simply historical, a CRTC may control LVDS, VGA, DVI, TV out, etc.
299 * connectors, not just CRTs).
301 * Each driver is responsible for filling out this structure at startup time,
302 * in addition to providing other modesetting features, like i2c and DDC
305 struct drm_crtc_funcs
{
306 /* Save CRTC state */
307 void (*save
)(struct drm_crtc
*crtc
); /* suspend? */
308 /* Restore CRTC state */
309 void (*restore
)(struct drm_crtc
*crtc
); /* resume? */
310 /* Reset CRTC state */
311 void (*reset
)(struct drm_crtc
*crtc
);
313 /* cursor controls */
314 int (*cursor_set
)(struct drm_crtc
*crtc
, struct drm_file
*file_priv
,
315 uint32_t handle
, uint32_t width
, uint32_t height
);
316 int (*cursor_set2
)(struct drm_crtc
*crtc
, struct drm_file
*file_priv
,
317 uint32_t handle
, uint32_t width
, uint32_t height
,
318 int32_t hot_x
, int32_t hot_y
);
319 int (*cursor_move
)(struct drm_crtc
*crtc
, int x
, int y
);
321 /* Set gamma on the CRTC */
322 void (*gamma_set
)(struct drm_crtc
*crtc
, u16
*r
, u16
*g
, u16
*b
,
323 uint32_t start
, uint32_t size
);
324 /* Object destroy routine */
325 void (*destroy
)(struct drm_crtc
*crtc
);
327 int (*set_config
)(struct drm_mode_set
*set
);
330 * Flip to the given framebuffer. This implements the page
331 * flip ioctl described in drm_mode.h, specifically, the
332 * implementation must return immediately and block all
333 * rendering to the current fb until the flip has completed.
334 * If userspace set the event flag in the ioctl, the event
335 * argument will point to an event to send back when the flip
336 * completes, otherwise it will be NULL.
338 int (*page_flip
)(struct drm_crtc
*crtc
,
339 struct drm_framebuffer
*fb
,
340 struct drm_pending_vblank_event
*event
,
343 int (*set_property
)(struct drm_crtc
*crtc
,
344 struct drm_property
*property
, uint64_t val
);
346 /* atomic update handling */
347 struct drm_crtc_state
*(*atomic_duplicate_state
)(struct drm_crtc
*crtc
);
348 void (*atomic_destroy_state
)(struct drm_crtc
*crtc
,
349 struct drm_crtc_state
*state
);
350 int (*atomic_set_property
)(struct drm_crtc
*crtc
,
351 struct drm_crtc_state
*state
,
352 struct drm_property
*property
,
357 * struct drm_crtc - central CRTC control structure
358 * @dev: parent DRM device
359 * @port: OF node used by drm_of_find_possible_crtcs()
360 * @head: list management
361 * @mutex: per-CRTC locking
362 * @base: base KMS object for ID tracking etc.
363 * @primary: primary plane for this CRTC
364 * @cursor: cursor plane for this CRTC
365 * @cursor_x: current x position of the cursor, used for universal cursor planes
366 * @cursor_y: current y position of the cursor, used for universal cursor planes
367 * @enabled: is this CRTC enabled?
368 * @mode: current mode timings
369 * @hwmode: mode timings as programmed to hw regs
370 * @invert_dimensions: for purposes of error checking crtc vs fb sizes,
371 * invert the width/height of the crtc. This is used if the driver
372 * is performing 90 or 270 degree rotated scanout
373 * @x: x position on screen
374 * @y: y position on screen
375 * @funcs: CRTC control functions
376 * @gamma_size: size of gamma ramp
377 * @gamma_store: gamma ramp values
378 * @framedur_ns: precise frame timing
379 * @linedur_ns: precise line timing
380 * @pixeldur_ns: precise pixel timing
381 * @helper_private: mid-layer private data
382 * @properties: property tracking for this CRTC
383 * @state: current atomic state for this CRTC
384 * @acquire_ctx: per-CRTC implicit acquire context used by atomic drivers for
387 * Each CRTC may have one or more connectors associated with it. This structure
388 * allows the CRTC to be controlled.
391 struct drm_device
*dev
;
392 struct device_node
*port
;
393 struct list_head head
;
398 * This provides a read lock for the overall crtc state (mode, dpms
399 * state, ...) and a write lock for everything which can be update
400 * without a full modeset (fb, cursor data, ...)
402 struct drm_modeset_lock mutex
;
404 struct drm_mode_object base
;
406 /* primary and cursor planes for CRTC */
407 struct drm_plane
*primary
;
408 struct drm_plane
*cursor
;
410 /* position of cursor plane on crtc */
416 /* Requested mode from modesetting. */
417 struct drm_display_mode mode
;
419 /* Programmed mode in hw, after adjustments for encoders,
420 * crtc, panel scaling etc. Needed for timestamping etc.
422 struct drm_display_mode hwmode
;
424 bool invert_dimensions
;
427 const struct drm_crtc_funcs
*funcs
;
429 /* CRTC gamma size for reporting to userspace */
431 uint16_t *gamma_store
;
433 /* Constants needed for precise vblank and swap timestamping. */
434 int framedur_ns
, linedur_ns
, pixeldur_ns
;
436 /* if you are using the helper */
437 void *helper_private
;
439 struct drm_object_properties properties
;
441 struct drm_crtc_state
*state
;
444 * For legacy crtc ioctls so that atomic drivers can get at the locking
447 struct drm_modeset_acquire_ctx
*acquire_ctx
;
451 * struct drm_connector_state - mutable connector state
452 * @crtc: CRTC to connect connector to, NULL if disabled
453 * @best_encoder: can be used by helpers and drivers to select the encoder
454 * @state: backpointer to global drm_atomic_state
456 struct drm_connector_state
{
457 struct drm_crtc
*crtc
; /* do not write directly, use drm_atomic_set_crtc_for_connector() */
459 struct drm_encoder
*best_encoder
;
461 struct drm_atomic_state
*state
;
465 * struct drm_connector_funcs - control connectors on a given device
466 * @dpms: set power state (see drm_crtc_funcs above)
467 * @save: save connector state
468 * @restore: restore connector state
469 * @reset: reset connector after state has been invalidated (e.g. resume)
470 * @detect: is this connector active?
471 * @fill_modes: fill mode list for this connector
472 * @set_property: property for this connector may need an update
473 * @destroy: make object go away
474 * @force: notify the driver that the connector is forced on
475 * @atomic_duplicate_state: duplicate the atomic state for this connector
476 * @atomic_destroy_state: destroy an atomic state for this connector
477 * @atomic_set_property: set a property on an atomic state for this connector
479 * Each CRTC may have one or more connectors attached to it. The functions
480 * below allow the core DRM code to control connectors, enumerate available modes,
483 struct drm_connector_funcs
{
484 void (*dpms
)(struct drm_connector
*connector
, int mode
);
485 void (*save
)(struct drm_connector
*connector
);
486 void (*restore
)(struct drm_connector
*connector
);
487 void (*reset
)(struct drm_connector
*connector
);
489 /* Check to see if anything is attached to the connector.
490 * @force is set to false whilst polling, true when checking the
491 * connector due to user request. @force can be used by the driver
492 * to avoid expensive, destructive operations during automated
495 enum drm_connector_status (*detect
)(struct drm_connector
*connector
,
497 int (*fill_modes
)(struct drm_connector
*connector
, uint32_t max_width
, uint32_t max_height
);
498 int (*set_property
)(struct drm_connector
*connector
, struct drm_property
*property
,
500 void (*destroy
)(struct drm_connector
*connector
);
501 void (*force
)(struct drm_connector
*connector
);
503 /* atomic update handling */
504 struct drm_connector_state
*(*atomic_duplicate_state
)(struct drm_connector
*connector
);
505 void (*atomic_destroy_state
)(struct drm_connector
*connector
,
506 struct drm_connector_state
*state
);
507 int (*atomic_set_property
)(struct drm_connector
*connector
,
508 struct drm_connector_state
*state
,
509 struct drm_property
*property
,
514 * struct drm_encoder_funcs - encoder controls
515 * @reset: reset state (e.g. at init or resume time)
516 * @destroy: cleanup and free associated data
518 * Encoders sit between CRTCs and connectors.
520 struct drm_encoder_funcs
{
521 void (*reset
)(struct drm_encoder
*encoder
);
522 void (*destroy
)(struct drm_encoder
*encoder
);
525 #define DRM_CONNECTOR_MAX_ENCODER 3
528 * struct drm_encoder - central DRM encoder structure
529 * @dev: parent DRM device
530 * @head: list management
531 * @base: base KMS object
532 * @name: encoder name
533 * @encoder_type: one of the %DRM_MODE_ENCODER_<foo> types in drm_mode.h
534 * @possible_crtcs: bitmask of potential CRTC bindings
535 * @possible_clones: bitmask of potential sibling encoders for cloning
536 * @crtc: currently bound CRTC
537 * @bridge: bridge associated to the encoder
538 * @funcs: control functions
539 * @helper_private: mid-layer private data
541 * CRTCs drive pixels to encoders, which convert them into signals
542 * appropriate for a given connector or set of connectors.
545 struct drm_device
*dev
;
546 struct list_head head
;
548 struct drm_mode_object base
;
551 uint32_t possible_crtcs
;
552 uint32_t possible_clones
;
554 struct drm_crtc
*crtc
;
555 struct drm_bridge
*bridge
;
556 const struct drm_encoder_funcs
*funcs
;
557 void *helper_private
;
560 /* should we poll this connector for connects and disconnects */
561 /* hot plug detectable */
562 #define DRM_CONNECTOR_POLL_HPD (1 << 0)
563 /* poll for connections */
564 #define DRM_CONNECTOR_POLL_CONNECT (1 << 1)
565 /* can cleanly poll for disconnections without flickering the screen */
566 /* DACs should rarely do this without a lot of testing */
567 #define DRM_CONNECTOR_POLL_DISCONNECT (1 << 2)
569 #define MAX_ELD_BYTES 128
572 * struct drm_connector - central DRM connector control structure
573 * @dev: parent DRM device
574 * @kdev: kernel device for sysfs attributes
575 * @attr: sysfs attributes
576 * @head: list management
577 * @base: base KMS object
578 * @name: connector name
579 * @connector_type: one of the %DRM_MODE_CONNECTOR_<foo> types from drm_mode.h
580 * @connector_type_id: index into connector type enum
581 * @interlace_allowed: can this connector handle interlaced modes?
582 * @doublescan_allowed: can this connector handle doublescan?
583 * @stereo_allowed: can this connector handle stereo modes?
584 * @modes: modes available on this connector (from fill_modes() + user)
585 * @status: one of the drm_connector_status enums (connected, not, or unknown)
586 * @probed_modes: list of modes derived directly from the display
587 * @display_info: information about attached display (e.g. from EDID)
588 * @funcs: connector control functions
589 * @edid_blob_ptr: DRM property containing EDID if present
590 * @properties: property tracking for this connector
591 * @path_blob_ptr: DRM blob property data for the DP MST path property
592 * @polled: a %DRM_CONNECTOR_POLL_<foo> value for core driven polling
593 * @dpms: current dpms state
594 * @helper_private: mid-layer private data
595 * @cmdline_mode: mode line parsed from the kernel cmdline for this connector
596 * @force: a %DRM_FORCE_<foo> state for forced mode sets
597 * @override_edid: has the EDID been overwritten through debugfs for testing?
598 * @encoder_ids: valid encoders for this connector
599 * @encoder: encoder driving this connector, if any
600 * @eld: EDID-like data, if present
601 * @dvi_dual: dual link DVI, if found
602 * @max_tmds_clock: max clock rate, if found
603 * @latency_present: AV delay info from ELD, if found
604 * @video_latency: video latency info from ELD, if found
605 * @audio_latency: audio latency info from ELD, if found
606 * @null_edid_counter: track sinks that give us all zeros for the EDID
607 * @bad_edid_counter: track sinks that give us an EDID with invalid checksum
608 * @debugfs_entry: debugfs directory for this connector
609 * @state: current atomic state for this connector
611 * Each connector may be connected to one or more CRTCs, or may be clonable by
612 * another connector if they can share a CRTC. Each connector also has a specific
613 * position in the broader display (referred to as a 'screen' though it could
614 * span multiple monitors).
616 struct drm_connector
{
617 struct drm_device
*dev
;
619 struct device_attribute
*attr
;
620 struct list_head head
;
622 struct drm_mode_object base
;
626 int connector_type_id
;
627 bool interlace_allowed
;
628 bool doublescan_allowed
;
630 struct list_head modes
; /* list of modes on this connector */
632 enum drm_connector_status status
;
634 /* these are modes added by probing with DDC or the BIOS */
635 struct list_head probed_modes
;
637 struct drm_display_info display_info
;
638 const struct drm_connector_funcs
*funcs
;
640 struct drm_property_blob
*edid_blob_ptr
;
641 struct drm_object_properties properties
;
643 struct drm_property_blob
*path_blob_ptr
;
645 uint8_t polled
; /* DRM_CONNECTOR_POLL_* */
647 /* requested DPMS state */
650 void *helper_private
;
652 /* forced on connector */
653 struct drm_cmdline_mode cmdline_mode
;
654 enum drm_connector_force force
;
656 uint32_t encoder_ids
[DRM_CONNECTOR_MAX_ENCODER
];
657 struct drm_encoder
*encoder
; /* currently active encoder */
660 uint8_t eld
[MAX_ELD_BYTES
];
662 int max_tmds_clock
; /* in MHz */
663 bool latency_present
[2];
664 int video_latency
[2]; /* [0]: progressive, [1]: interlaced */
665 int audio_latency
[2];
666 int null_edid_counter
; /* needed to workaround some HW bugs where we get all 0s */
667 unsigned bad_edid_counter
;
669 struct dentry
*debugfs_entry
;
671 struct drm_connector_state
*state
;
675 * struct drm_plane_state - mutable plane state
676 * @crtc: currently bound CRTC, NULL if disabled
677 * @fb: currently bound framebuffer
678 * @fence: optional fence to wait for before scanning out @fb
679 * @crtc_x: left position of visible portion of plane on crtc
680 * @crtc_y: upper position of visible portion of plane on crtc
681 * @crtc_w: width of visible portion of plane on crtc
682 * @crtc_h: height of visible portion of plane on crtc
683 * @src_x: left position of visible portion of plane within
685 * @src_y: upper position of visible portion of plane within
687 * @src_w: width of visible portion of plane (in 16.16)
688 * @src_h: height of visible portion of plane (in 16.16)
689 * @state: backpointer to global drm_atomic_state
691 struct drm_plane_state
{
692 struct drm_crtc
*crtc
; /* do not write directly, use drm_atomic_set_crtc_for_plane() */
693 struct drm_framebuffer
*fb
; /* do not write directly, use drm_atomic_set_fb_for_plane() */
696 /* Signed dest location allows it to be partially off screen */
697 int32_t crtc_x
, crtc_y
;
698 uint32_t crtc_w
, crtc_h
;
700 /* Source values are 16.16 fixed point */
701 uint32_t src_x
, src_y
;
702 uint32_t src_h
, src_w
;
704 struct drm_atomic_state
*state
;
709 * struct drm_plane_funcs - driver plane control functions
710 * @update_plane: update the plane configuration
711 * @disable_plane: shut down the plane
712 * @destroy: clean up plane resources
713 * @reset: reset plane after state has been invalidated (e.g. resume)
714 * @set_property: called when a property is changed
715 * @atomic_duplicate_state: duplicate the atomic state for this plane
716 * @atomic_destroy_state: destroy an atomic state for this plane
717 * @atomic_set_property: set a property on an atomic state for this plane
719 struct drm_plane_funcs
{
720 int (*update_plane
)(struct drm_plane
*plane
,
721 struct drm_crtc
*crtc
, struct drm_framebuffer
*fb
,
722 int crtc_x
, int crtc_y
,
723 unsigned int crtc_w
, unsigned int crtc_h
,
724 uint32_t src_x
, uint32_t src_y
,
725 uint32_t src_w
, uint32_t src_h
);
726 int (*disable_plane
)(struct drm_plane
*plane
);
727 void (*destroy
)(struct drm_plane
*plane
);
728 void (*reset
)(struct drm_plane
*plane
);
730 int (*set_property
)(struct drm_plane
*plane
,
731 struct drm_property
*property
, uint64_t val
);
733 /* atomic update handling */
734 struct drm_plane_state
*(*atomic_duplicate_state
)(struct drm_plane
*plane
);
735 void (*atomic_destroy_state
)(struct drm_plane
*plane
,
736 struct drm_plane_state
*state
);
737 int (*atomic_set_property
)(struct drm_plane
*plane
,
738 struct drm_plane_state
*state
,
739 struct drm_property
*property
,
743 enum drm_plane_type
{
744 DRM_PLANE_TYPE_OVERLAY
,
745 DRM_PLANE_TYPE_PRIMARY
,
746 DRM_PLANE_TYPE_CURSOR
,
750 * struct drm_plane - central DRM plane control structure
751 * @dev: DRM device this plane belongs to
752 * @head: for list management
753 * @base: base mode object
754 * @possible_crtcs: pipes this plane can be bound to
755 * @format_types: array of formats supported by this plane
756 * @format_count: number of formats supported
757 * @crtc: currently bound CRTC
758 * @fb: currently bound fb
759 * @old_fb: Temporary tracking of the old fb while a modeset is ongoing. Used by
760 * drm_mode_set_config_internal() to implement correct refcounting.
761 * @funcs: helper functions
762 * @properties: property tracking for this plane
763 * @type: type of plane (overlay, primary, cursor)
764 * @state: current atomic state for this plane
767 struct drm_device
*dev
;
768 struct list_head head
;
770 struct drm_modeset_lock mutex
;
772 struct drm_mode_object base
;
774 uint32_t possible_crtcs
;
775 uint32_t *format_types
;
776 uint32_t format_count
;
778 struct drm_crtc
*crtc
;
779 struct drm_framebuffer
*fb
;
781 struct drm_framebuffer
*old_fb
;
783 const struct drm_plane_funcs
*funcs
;
785 struct drm_object_properties properties
;
787 enum drm_plane_type type
;
789 void *helper_private
;
791 struct drm_plane_state
*state
;
795 * struct drm_bridge_funcs - drm_bridge control functions
796 * @mode_fixup: Try to fixup (or reject entirely) proposed mode for this bridge
797 * @disable: Called right before encoder prepare, disables the bridge
798 * @post_disable: Called right after encoder prepare, for lockstepped disable
799 * @mode_set: Set this mode to the bridge
800 * @pre_enable: Called right before encoder commit, for lockstepped commit
801 * @enable: Called right after encoder commit, enables the bridge
802 * @destroy: make object go away
804 struct drm_bridge_funcs
{
805 bool (*mode_fixup
)(struct drm_bridge
*bridge
,
806 const struct drm_display_mode
*mode
,
807 struct drm_display_mode
*adjusted_mode
);
808 void (*disable
)(struct drm_bridge
*bridge
);
809 void (*post_disable
)(struct drm_bridge
*bridge
);
810 void (*mode_set
)(struct drm_bridge
*bridge
,
811 struct drm_display_mode
*mode
,
812 struct drm_display_mode
*adjusted_mode
);
813 void (*pre_enable
)(struct drm_bridge
*bridge
);
814 void (*enable
)(struct drm_bridge
*bridge
);
815 void (*destroy
)(struct drm_bridge
*bridge
);
819 * struct drm_bridge - central DRM bridge control structure
820 * @dev: DRM device this bridge belongs to
821 * @head: list management
822 * @base: base mode object
823 * @funcs: control functions
824 * @driver_private: pointer to the bridge driver's internal context
827 struct drm_device
*dev
;
828 struct list_head head
;
830 struct drm_mode_object base
;
832 const struct drm_bridge_funcs
*funcs
;
833 void *driver_private
;
837 * struct struct drm_atomic_state - the global state object for atomic updates
838 * @dev: parent DRM device
839 * @flags: state flags like async update
840 * @planes: pointer to array of plane pointers
841 * @plane_states: pointer to array of plane states pointers
842 * @crtcs: pointer to array of CRTC pointers
843 * @crtc_states: pointer to array of CRTC states pointers
844 * @num_connector: size of the @connectors and @connector_states arrays
845 * @connectors: pointer to array of connector pointers
846 * @connector_states: pointer to array of connector states pointers
847 * @acquire_ctx: acquire context for this atomic modeset state update
849 struct drm_atomic_state
{
850 struct drm_device
*dev
;
852 struct drm_plane
**planes
;
853 struct drm_plane_state
**plane_states
;
854 struct drm_crtc
**crtcs
;
855 struct drm_crtc_state
**crtc_states
;
857 struct drm_connector
**connectors
;
858 struct drm_connector_state
**connector_states
;
860 struct drm_modeset_acquire_ctx
*acquire_ctx
;
865 * struct drm_mode_set - new values for a CRTC config change
866 * @fb: framebuffer to use for new config
867 * @crtc: CRTC whose configuration we're about to change
868 * @mode: mode timings to use
869 * @x: position of this CRTC relative to @fb
870 * @y: position of this CRTC relative to @fb
871 * @connectors: array of connectors to drive with this CRTC if possible
872 * @num_connectors: size of @connectors array
874 * Represents a single crtc the connectors that it drives with what mode
875 * and from which framebuffer it scans out from.
877 * This is used to set modes.
879 struct drm_mode_set
{
880 struct drm_framebuffer
*fb
;
881 struct drm_crtc
*crtc
;
882 struct drm_display_mode
*mode
;
887 struct drm_connector
**connectors
;
888 size_t num_connectors
;
892 * struct drm_mode_config_funcs - basic driver provided mode setting functions
893 * @fb_create: create a new framebuffer object
894 * @output_poll_changed: function to handle output configuration changes
895 * @atomic_check: check whether a give atomic state update is possible
896 * @atomic_commit: commit an atomic state update previously verified with
899 * Some global (i.e. not per-CRTC, connector, etc) mode setting functions that
902 struct drm_mode_config_funcs
{
903 struct drm_framebuffer
*(*fb_create
)(struct drm_device
*dev
,
904 struct drm_file
*file_priv
,
905 struct drm_mode_fb_cmd2
*mode_cmd
);
906 void (*output_poll_changed
)(struct drm_device
*dev
);
908 int (*atomic_check
)(struct drm_device
*dev
,
909 struct drm_atomic_state
*a
);
910 int (*atomic_commit
)(struct drm_device
*dev
,
911 struct drm_atomic_state
*a
,
916 * struct drm_mode_group - group of mode setting resources for potential sub-grouping
917 * @num_crtcs: CRTC count
918 * @num_encoders: encoder count
919 * @num_connectors: connector count
920 * @num_bridges: bridge count
921 * @id_list: list of KMS object IDs in this group
923 * Currently this simply tracks the global mode setting state. But in the
924 * future it could allow groups of objects to be set aside into independent
925 * control groups for use by different user level processes (e.g. two X servers
926 * running simultaneously on different heads, each with their own mode
927 * configuration and freedom of mode setting).
929 struct drm_mode_group
{
931 uint32_t num_encoders
;
932 uint32_t num_connectors
;
933 uint32_t num_bridges
;
935 /* list of object IDs for this group */
940 * struct drm_mode_config - Mode configuration control structure
941 * @mutex: mutex protecting KMS related lists and structures
942 * @connection_mutex: ww mutex protecting connector state and routing
943 * @acquire_ctx: global implicit acquire context used by atomic drivers for
945 * @idr_mutex: mutex for KMS ID allocation and management
946 * @crtc_idr: main KMS ID tracking object
947 * @fb_lock: mutex to protect fb state and lists
948 * @num_fb: number of fbs available
949 * @fb_list: list of framebuffers available
950 * @num_connector: number of connectors on this device
951 * @connector_list: list of connector objects
952 * @num_bridge: number of bridges on this device
953 * @bridge_list: list of bridge objects
954 * @num_encoder: number of encoders on this device
955 * @encoder_list: list of encoder objects
956 * @num_overlay_plane: number of overlay planes on this device
957 * @num_total_plane: number of universal (i.e. with primary/curso) planes on this device
958 * @plane_list: list of plane objects
959 * @num_crtc: number of CRTCs on this device
960 * @crtc_list: list of CRTC objects
961 * @property_list: list of property objects
962 * @min_width: minimum pixel width on this device
963 * @min_height: minimum pixel height on this device
964 * @max_width: maximum pixel width on this device
965 * @max_height: maximum pixel height on this device
966 * @funcs: core driver provided mode setting functions
967 * @fb_base: base address of the framebuffer
968 * @poll_enabled: track polling support for this device
969 * @poll_running: track polling status for this device
970 * @output_poll_work: delayed work for polling in process context
971 * @property_blob_list: list of all the blob property objects
972 * @*_property: core property tracking
973 * @preferred_depth: preferred RBG pixel depth, used by fb helpers
974 * @prefer_shadow: hint to userspace to prefer shadow-fb rendering
975 * @async_page_flip: does this device support async flips on the primary plane?
976 * @cursor_width: hint to userspace for max cursor width
977 * @cursor_height: hint to userspace for max cursor height
979 * Core mode resource tracking structure. All CRTC, encoders, and connectors
980 * enumerated by the driver are added here, as are global properties. Some
981 * global restrictions are also here, e.g. dimension restrictions.
983 struct drm_mode_config
{
984 struct mutex mutex
; /* protects configuration (mode lists etc.) */
985 struct drm_modeset_lock connection_mutex
; /* protects connector->encoder and encoder->crtc links */
986 struct drm_modeset_acquire_ctx
*acquire_ctx
; /* for legacy _lock_all() / _unlock_all() */
987 struct mutex idr_mutex
; /* for IDR management */
988 struct idr crtc_idr
; /* use this idr for all IDs, fb, crtc, connector, modes - just makes life easier */
989 struct idr tile_idr
; /* use this idr for all IDs, fb, crtc, connector, modes - just makes life easier */
990 /* this is limited to one for now */
992 struct mutex fb_lock
; /* proctects global and per-file fb lists */
994 struct list_head fb_list
;
997 struct list_head connector_list
;
999 struct list_head bridge_list
;
1001 struct list_head encoder_list
;
1004 * Track # of overlay planes separately from # of total planes. By
1005 * default we only advertise overlay planes to userspace; if userspace
1006 * sets the "universal plane" capability bit, we'll go ahead and
1007 * expose all planes.
1009 int num_overlay_plane
;
1010 int num_total_plane
;
1011 struct list_head plane_list
;
1014 struct list_head crtc_list
;
1016 struct list_head property_list
;
1018 int min_width
, min_height
;
1019 int max_width
, max_height
;
1020 const struct drm_mode_config_funcs
*funcs
;
1021 resource_size_t fb_base
;
1023 /* output poll support */
1026 struct delayed_work output_poll_work
;
1028 /* pointers to standard properties */
1029 struct list_head property_blob_list
;
1030 struct drm_property
*edid_property
;
1031 struct drm_property
*dpms_property
;
1032 struct drm_property
*path_property
;
1033 struct drm_property
*plane_type_property
;
1034 struct drm_property
*rotation_property
;
1036 /* DVI-I properties */
1037 struct drm_property
*dvi_i_subconnector_property
;
1038 struct drm_property
*dvi_i_select_subconnector_property
;
1041 struct drm_property
*tv_subconnector_property
;
1042 struct drm_property
*tv_select_subconnector_property
;
1043 struct drm_property
*tv_mode_property
;
1044 struct drm_property
*tv_left_margin_property
;
1045 struct drm_property
*tv_right_margin_property
;
1046 struct drm_property
*tv_top_margin_property
;
1047 struct drm_property
*tv_bottom_margin_property
;
1048 struct drm_property
*tv_brightness_property
;
1049 struct drm_property
*tv_contrast_property
;
1050 struct drm_property
*tv_flicker_reduction_property
;
1051 struct drm_property
*tv_overscan_property
;
1052 struct drm_property
*tv_saturation_property
;
1053 struct drm_property
*tv_hue_property
;
1055 /* Optional properties */
1056 struct drm_property
*scaling_mode_property
;
1057 struct drm_property
*aspect_ratio_property
;
1058 struct drm_property
*dirty_info_property
;
1060 /* properties for virtual machine layout */
1061 struct drm_property
*suggested_x_property
;
1062 struct drm_property
*suggested_y_property
;
1064 /* dumb ioctl parameters */
1065 uint32_t preferred_depth
, prefer_shadow
;
1067 /* whether async page flip is supported or not */
1068 bool async_page_flip
;
1071 uint32_t cursor_width
, cursor_height
;
1075 * drm_for_each_plane_mask - iterate over planes specified by bitmask
1076 * @plane: the loop cursor
1077 * @dev: the DRM device
1078 * @plane_mask: bitmask of plane indices
1080 * Iterate over all planes specified by bitmask.
1082 #define drm_for_each_plane_mask(plane, dev, plane_mask) \
1083 list_for_each_entry((plane), &(dev)->mode_config.plane_list, head) \
1084 if ((plane_mask) & (1 << drm_plane_index(plane)))
1087 #define obj_to_crtc(x) container_of(x, struct drm_crtc, base)
1088 #define obj_to_connector(x) container_of(x, struct drm_connector, base)
1089 #define obj_to_encoder(x) container_of(x, struct drm_encoder, base)
1090 #define obj_to_mode(x) container_of(x, struct drm_display_mode, base)
1091 #define obj_to_fb(x) container_of(x, struct drm_framebuffer, base)
1092 #define obj_to_property(x) container_of(x, struct drm_property, base)
1093 #define obj_to_blob(x) container_of(x, struct drm_property_blob, base)
1094 #define obj_to_plane(x) container_of(x, struct drm_plane, base)
1096 struct drm_prop_enum_list
{
1101 extern int drm_crtc_init_with_planes(struct drm_device
*dev
,
1102 struct drm_crtc
*crtc
,
1103 struct drm_plane
*primary
,
1104 struct drm_plane
*cursor
,
1105 const struct drm_crtc_funcs
*funcs
);
1106 extern void drm_crtc_cleanup(struct drm_crtc
*crtc
);
1107 extern unsigned int drm_crtc_index(struct drm_crtc
*crtc
);
1110 * drm_crtc_mask - find the mask of a registered CRTC
1111 * @crtc: CRTC to find mask for
1113 * Given a registered CRTC, return the mask bit of that CRTC for an
1114 * encoder's possible_crtcs field.
1116 static inline uint32_t drm_crtc_mask(struct drm_crtc
*crtc
)
1118 return 1 << drm_crtc_index(crtc
);
1121 extern void drm_connector_ida_init(void);
1122 extern void drm_connector_ida_destroy(void);
1123 extern int drm_connector_init(struct drm_device
*dev
,
1124 struct drm_connector
*connector
,
1125 const struct drm_connector_funcs
*funcs
,
1126 int connector_type
);
1127 int drm_connector_register(struct drm_connector
*connector
);
1128 void drm_connector_unregister(struct drm_connector
*connector
);
1130 extern void drm_connector_cleanup(struct drm_connector
*connector
);
1131 extern unsigned int drm_connector_index(struct drm_connector
*connector
);
1132 /* helper to unplug all connectors from sysfs for device */
1133 extern void drm_connector_unplug_all(struct drm_device
*dev
);
1135 extern int drm_bridge_init(struct drm_device
*dev
, struct drm_bridge
*bridge
,
1136 const struct drm_bridge_funcs
*funcs
);
1137 extern void drm_bridge_cleanup(struct drm_bridge
*bridge
);
1139 extern int drm_encoder_init(struct drm_device
*dev
,
1140 struct drm_encoder
*encoder
,
1141 const struct drm_encoder_funcs
*funcs
,
1145 * drm_encoder_crtc_ok - can a given crtc drive a given encoder?
1146 * @encoder: encoder to test
1147 * @crtc: crtc to test
1149 * Return false if @encoder can't be driven by @crtc, true otherwise.
1151 static inline bool drm_encoder_crtc_ok(struct drm_encoder
*encoder
,
1152 struct drm_crtc
*crtc
)
1154 return !!(encoder
->possible_crtcs
& drm_crtc_mask(crtc
));
1157 extern int drm_universal_plane_init(struct drm_device
*dev
,
1158 struct drm_plane
*plane
,
1159 unsigned long possible_crtcs
,
1160 const struct drm_plane_funcs
*funcs
,
1161 const uint32_t *formats
,
1162 uint32_t format_count
,
1163 enum drm_plane_type type
);
1164 extern int drm_plane_init(struct drm_device
*dev
,
1165 struct drm_plane
*plane
,
1166 unsigned long possible_crtcs
,
1167 const struct drm_plane_funcs
*funcs
,
1168 const uint32_t *formats
, uint32_t format_count
,
1170 extern void drm_plane_cleanup(struct drm_plane
*plane
);
1171 extern unsigned int drm_plane_index(struct drm_plane
*plane
);
1172 extern void drm_plane_force_disable(struct drm_plane
*plane
);
1173 extern int drm_crtc_check_viewport(const struct drm_crtc
*crtc
,
1175 const struct drm_display_mode
*mode
,
1176 const struct drm_framebuffer
*fb
);
1178 extern void drm_encoder_cleanup(struct drm_encoder
*encoder
);
1180 extern const char *drm_get_connector_status_name(enum drm_connector_status status
);
1181 extern const char *drm_get_subpixel_order_name(enum subpixel_order order
);
1182 extern const char *drm_get_dpms_name(int val
);
1183 extern const char *drm_get_dvi_i_subconnector_name(int val
);
1184 extern const char *drm_get_dvi_i_select_name(int val
);
1185 extern const char *drm_get_tv_subconnector_name(int val
);
1186 extern const char *drm_get_tv_select_name(int val
);
1187 extern void drm_fb_release(struct drm_file
*file_priv
);
1188 extern int drm_mode_group_init_legacy_group(struct drm_device
*dev
, struct drm_mode_group
*group
);
1189 extern void drm_mode_group_destroy(struct drm_mode_group
*group
);
1190 extern void drm_reinit_primary_mode_group(struct drm_device
*dev
);
1191 extern bool drm_probe_ddc(struct i2c_adapter
*adapter
);
1192 extern struct edid
*drm_get_edid(struct drm_connector
*connector
,
1193 struct i2c_adapter
*adapter
);
1194 extern struct edid
*drm_edid_duplicate(const struct edid
*edid
);
1195 extern int drm_add_edid_modes(struct drm_connector
*connector
, struct edid
*edid
);
1196 extern void drm_mode_config_init(struct drm_device
*dev
);
1197 extern void drm_mode_config_reset(struct drm_device
*dev
);
1198 extern void drm_mode_config_cleanup(struct drm_device
*dev
);
1200 extern int drm_mode_connector_set_path_property(struct drm_connector
*connector
,
1202 extern int drm_mode_connector_update_edid_property(struct drm_connector
*connector
,
1203 const struct edid
*edid
);
1205 static inline bool drm_property_type_is(struct drm_property
*property
,
1208 /* instanceof for props.. handles extended type vs original types: */
1209 if (property
->flags
& DRM_MODE_PROP_EXTENDED_TYPE
)
1210 return (property
->flags
& DRM_MODE_PROP_EXTENDED_TYPE
) == type
;
1211 return property
->flags
& type
;
1214 static inline bool drm_property_type_valid(struct drm_property
*property
)
1216 if (property
->flags
& DRM_MODE_PROP_EXTENDED_TYPE
)
1217 return !(property
->flags
& DRM_MODE_PROP_LEGACY_TYPE
);
1218 return !!(property
->flags
& DRM_MODE_PROP_LEGACY_TYPE
);
1221 extern int drm_object_property_set_value(struct drm_mode_object
*obj
,
1222 struct drm_property
*property
,
1224 extern int drm_object_property_get_value(struct drm_mode_object
*obj
,
1225 struct drm_property
*property
,
1227 extern int drm_framebuffer_init(struct drm_device
*dev
,
1228 struct drm_framebuffer
*fb
,
1229 const struct drm_framebuffer_funcs
*funcs
);
1230 extern struct drm_framebuffer
*drm_framebuffer_lookup(struct drm_device
*dev
,
1232 extern void drm_framebuffer_unreference(struct drm_framebuffer
*fb
);
1233 extern void drm_framebuffer_reference(struct drm_framebuffer
*fb
);
1234 extern void drm_framebuffer_remove(struct drm_framebuffer
*fb
);
1235 extern void drm_framebuffer_cleanup(struct drm_framebuffer
*fb
);
1236 extern void drm_framebuffer_unregister_private(struct drm_framebuffer
*fb
);
1238 extern void drm_object_attach_property(struct drm_mode_object
*obj
,
1239 struct drm_property
*property
,
1241 extern struct drm_property
*drm_property_create(struct drm_device
*dev
, int flags
,
1242 const char *name
, int num_values
);
1243 extern struct drm_property
*drm_property_create_enum(struct drm_device
*dev
, int flags
,
1245 const struct drm_prop_enum_list
*props
,
1247 struct drm_property
*drm_property_create_bitmask(struct drm_device
*dev
,
1248 int flags
, const char *name
,
1249 const struct drm_prop_enum_list
*props
,
1251 uint64_t supported_bits
);
1252 struct drm_property
*drm_property_create_range(struct drm_device
*dev
, int flags
,
1254 uint64_t min
, uint64_t max
);
1255 struct drm_property
*drm_property_create_signed_range(struct drm_device
*dev
,
1256 int flags
, const char *name
,
1257 int64_t min
, int64_t max
);
1258 struct drm_property
*drm_property_create_object(struct drm_device
*dev
,
1259 int flags
, const char *name
, uint32_t type
);
1260 extern void drm_property_destroy(struct drm_device
*dev
, struct drm_property
*property
);
1261 extern int drm_property_add_enum(struct drm_property
*property
, int index
,
1262 uint64_t value
, const char *name
);
1263 extern int drm_mode_create_dvi_i_properties(struct drm_device
*dev
);
1264 extern int drm_mode_create_tv_properties(struct drm_device
*dev
,
1265 unsigned int num_modes
,
1267 extern int drm_mode_create_scaling_mode_property(struct drm_device
*dev
);
1268 extern int drm_mode_create_aspect_ratio_property(struct drm_device
*dev
);
1269 extern int drm_mode_create_dirty_info_property(struct drm_device
*dev
);
1270 extern int drm_mode_create_suggested_offset_properties(struct drm_device
*dev
);
1272 extern int drm_mode_connector_attach_encoder(struct drm_connector
*connector
,
1273 struct drm_encoder
*encoder
);
1274 extern int drm_mode_crtc_set_gamma_size(struct drm_crtc
*crtc
,
1276 extern struct drm_mode_object
*drm_mode_object_find(struct drm_device
*dev
,
1277 uint32_t id
, uint32_t type
);
1280 extern int drm_mode_getresources(struct drm_device
*dev
,
1281 void *data
, struct drm_file
*file_priv
);
1282 extern int drm_mode_getplane_res(struct drm_device
*dev
, void *data
,
1283 struct drm_file
*file_priv
);
1284 extern int drm_mode_getcrtc(struct drm_device
*dev
,
1285 void *data
, struct drm_file
*file_priv
);
1286 extern int drm_mode_getconnector(struct drm_device
*dev
,
1287 void *data
, struct drm_file
*file_priv
);
1288 extern int drm_mode_set_config_internal(struct drm_mode_set
*set
);
1289 extern int drm_mode_setcrtc(struct drm_device
*dev
,
1290 void *data
, struct drm_file
*file_priv
);
1291 extern int drm_mode_getplane(struct drm_device
*dev
,
1292 void *data
, struct drm_file
*file_priv
);
1293 extern int drm_mode_setplane(struct drm_device
*dev
,
1294 void *data
, struct drm_file
*file_priv
);
1295 extern int drm_mode_cursor_ioctl(struct drm_device
*dev
,
1296 void *data
, struct drm_file
*file_priv
);
1297 extern int drm_mode_cursor2_ioctl(struct drm_device
*dev
,
1298 void *data
, struct drm_file
*file_priv
);
1299 extern int drm_mode_addfb(struct drm_device
*dev
,
1300 void *data
, struct drm_file
*file_priv
);
1301 extern int drm_mode_addfb2(struct drm_device
*dev
,
1302 void *data
, struct drm_file
*file_priv
);
1303 extern uint32_t drm_mode_legacy_fb_format(uint32_t bpp
, uint32_t depth
);
1304 extern int drm_mode_rmfb(struct drm_device
*dev
,
1305 void *data
, struct drm_file
*file_priv
);
1306 extern int drm_mode_getfb(struct drm_device
*dev
,
1307 void *data
, struct drm_file
*file_priv
);
1308 extern int drm_mode_dirtyfb_ioctl(struct drm_device
*dev
,
1309 void *data
, struct drm_file
*file_priv
);
1311 extern int drm_mode_getproperty_ioctl(struct drm_device
*dev
,
1312 void *data
, struct drm_file
*file_priv
);
1313 extern int drm_mode_getblob_ioctl(struct drm_device
*dev
,
1314 void *data
, struct drm_file
*file_priv
);
1315 extern int drm_mode_connector_property_set_ioctl(struct drm_device
*dev
,
1316 void *data
, struct drm_file
*file_priv
);
1317 extern int drm_mode_getencoder(struct drm_device
*dev
,
1318 void *data
, struct drm_file
*file_priv
);
1319 extern int drm_mode_gamma_get_ioctl(struct drm_device
*dev
,
1320 void *data
, struct drm_file
*file_priv
);
1321 extern int drm_mode_gamma_set_ioctl(struct drm_device
*dev
,
1322 void *data
, struct drm_file
*file_priv
);
1323 extern u8
drm_match_cea_mode(const struct drm_display_mode
*to_match
);
1324 extern enum hdmi_picture_aspect
drm_get_cea_aspect_ratio(const u8 video_code
);
1325 extern bool drm_detect_hdmi_monitor(struct edid
*edid
);
1326 extern bool drm_detect_monitor_audio(struct edid
*edid
);
1327 extern bool drm_rgb_quant_range_selectable(struct edid
*edid
);
1328 extern int drm_mode_page_flip_ioctl(struct drm_device
*dev
,
1329 void *data
, struct drm_file
*file_priv
);
1330 extern int drm_add_modes_noedid(struct drm_connector
*connector
,
1331 int hdisplay
, int vdisplay
);
1332 extern void drm_set_preferred_mode(struct drm_connector
*connector
,
1333 int hpref
, int vpref
);
1335 extern int drm_edid_header_is_valid(const u8
*raw_edid
);
1336 extern bool drm_edid_block_valid(u8
*raw_edid
, int block
, bool print_bad_edid
);
1337 extern bool drm_edid_is_valid(struct edid
*edid
);
1339 extern struct drm_tile_group
*drm_mode_create_tile_group(struct drm_device
*dev
,
1341 extern struct drm_tile_group
*drm_mode_get_tile_group(struct drm_device
*dev
,
1343 extern void drm_mode_put_tile_group(struct drm_device
*dev
,
1344 struct drm_tile_group
*tg
);
1345 struct drm_display_mode
*drm_mode_find_dmt(struct drm_device
*dev
,
1346 int hsize
, int vsize
, int fresh
,
1349 extern int drm_mode_create_dumb_ioctl(struct drm_device
*dev
,
1350 void *data
, struct drm_file
*file_priv
);
1351 extern int drm_mode_mmap_dumb_ioctl(struct drm_device
*dev
,
1352 void *data
, struct drm_file
*file_priv
);
1353 extern int drm_mode_destroy_dumb_ioctl(struct drm_device
*dev
,
1354 void *data
, struct drm_file
*file_priv
);
1355 extern int drm_mode_obj_get_properties_ioctl(struct drm_device
*dev
, void *data
,
1356 struct drm_file
*file_priv
);
1357 extern int drm_mode_obj_set_property_ioctl(struct drm_device
*dev
, void *data
,
1358 struct drm_file
*file_priv
);
1359 extern int drm_mode_plane_set_obj_prop(struct drm_plane
*plane
,
1360 struct drm_property
*property
,
1363 extern void drm_fb_get_bpp_depth(uint32_t format
, unsigned int *depth
,
1365 extern int drm_format_num_planes(uint32_t format
);
1366 extern int drm_format_plane_cpp(uint32_t format
, int plane
);
1367 extern int drm_format_horz_chroma_subsampling(uint32_t format
);
1368 extern int drm_format_vert_chroma_subsampling(uint32_t format
);
1369 extern const char *drm_get_format_name(uint32_t format
);
1370 extern struct drm_property
*drm_mode_create_rotation_property(struct drm_device
*dev
,
1371 unsigned int supported_rotations
);
1372 extern unsigned int drm_rotation_simplify(unsigned int rotation
,
1373 unsigned int supported_rotations
);
1377 static inline struct drm_plane
*drm_plane_find(struct drm_device
*dev
,
1380 struct drm_mode_object
*mo
;
1381 mo
= drm_mode_object_find(dev
, id
, DRM_MODE_OBJECT_PLANE
);
1382 return mo
? obj_to_plane(mo
) : NULL
;
1385 static inline struct drm_crtc
*drm_crtc_find(struct drm_device
*dev
,
1388 struct drm_mode_object
*mo
;
1389 mo
= drm_mode_object_find(dev
, id
, DRM_MODE_OBJECT_CRTC
);
1390 return mo
? obj_to_crtc(mo
) : NULL
;
1393 static inline struct drm_encoder
*drm_encoder_find(struct drm_device
*dev
,
1396 struct drm_mode_object
*mo
;
1397 mo
= drm_mode_object_find(dev
, id
, DRM_MODE_OBJECT_ENCODER
);
1398 return mo
? obj_to_encoder(mo
) : NULL
;
1401 static inline struct drm_connector
*drm_connector_find(struct drm_device
*dev
,
1404 struct drm_mode_object
*mo
;
1405 mo
= drm_mode_object_find(dev
, id
, DRM_MODE_OBJECT_CONNECTOR
);
1406 return mo
? obj_to_connector(mo
) : NULL
;
1409 static inline struct drm_property
*drm_property_find(struct drm_device
*dev
,
1412 struct drm_mode_object
*mo
;
1413 mo
= drm_mode_object_find(dev
, id
, DRM_MODE_OBJECT_PROPERTY
);
1414 return mo
? obj_to_property(mo
) : NULL
;
1417 static inline struct drm_property_blob
*
1418 drm_property_blob_find(struct drm_device
*dev
, uint32_t id
)
1420 struct drm_mode_object
*mo
;
1421 mo
= drm_mode_object_find(dev
, id
, DRM_MODE_OBJECT_BLOB
);
1422 return mo
? obj_to_blob(mo
) : NULL
;
1425 /* Plane list iterator for legacy (overlay only) planes. */
1426 #define drm_for_each_legacy_plane(plane, planelist) \
1427 list_for_each_entry(plane, planelist, head) \
1428 if (plane->type == DRM_PLANE_TYPE_OVERLAY)
1430 #endif /* __DRM_CRTC_H__ */