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 struct drm_framebuffer_funcs
{
141 /* note: use drm_framebuffer_remove() */
142 void (*destroy
)(struct drm_framebuffer
*framebuffer
);
143 int (*create_handle
)(struct drm_framebuffer
*fb
,
144 struct drm_file
*file_priv
,
145 unsigned int *handle
);
147 * Optional callback for the dirty fb ioctl.
149 * Userspace can notify the driver via this callback
150 * that a area of the framebuffer has changed and should
151 * be flushed to the display hardware.
153 * See documentation in drm_mode.h for the struct
154 * drm_mode_fb_dirty_cmd for more information as all
155 * the semantics and arguments have a one to one mapping
158 int (*dirty
)(struct drm_framebuffer
*framebuffer
,
159 struct drm_file
*file_priv
, unsigned flags
,
160 unsigned color
, struct drm_clip_rect
*clips
,
164 struct drm_framebuffer
{
165 struct drm_device
*dev
;
167 * Note that the fb is refcounted for the benefit of driver internals,
168 * for example some hw, disabling a CRTC/plane is asynchronous, and
169 * scanout does not actually complete until the next vblank. So some
170 * cleanup (like releasing the reference(s) on the backing GEM bo(s))
171 * should be deferred. In cases like this, the driver would like to
172 * hold a ref to the fb even though it has already been removed from
173 * userspace perspective.
175 struct kref refcount
;
177 * Place on the dev->mode_config.fb_list, access protected by
178 * dev->mode_config.fb_lock.
180 struct list_head head
;
181 struct drm_mode_object base
;
182 const struct drm_framebuffer_funcs
*funcs
;
183 unsigned int pitches
[4];
184 unsigned int offsets
[4];
187 /* depth can be 15 or 16 */
191 uint32_t pixel_format
; /* fourcc format */
192 struct list_head filp_head
;
193 /* if you are using the helper */
194 void *helper_private
;
197 struct drm_property_blob
{
198 struct drm_mode_object base
;
199 struct list_head head
;
201 unsigned char data
[];
204 struct drm_property_enum
{
206 struct list_head head
;
207 char name
[DRM_PROP_NAME_LEN
];
210 struct drm_property
{
211 struct list_head head
;
212 struct drm_mode_object base
;
214 char name
[DRM_PROP_NAME_LEN
];
217 struct drm_device
*dev
;
219 struct list_head enum_blob_list
;
223 struct drm_connector
;
225 struct drm_pending_vblank_event
;
228 struct drm_atomic_state
;
231 * struct drm_crtc_state - mutable CRTC state
232 * @enable: whether the CRTC should be enabled, gates all other state
233 * @mode_changed: for use by helpers and drivers when computing state updates
234 * @last_vblank_count: for helpers and drivers to capture the vblank of the
235 * update to ensure framebuffer cleanup isn't done too early
236 * @planes_changed: for use by helpers and drivers when computing state updates
237 * @adjusted_mode: for use by helpers and drivers to compute adjusted mode timings
238 * @mode: current mode timings
239 * @event: optional pointer to a DRM event to signal upon completion of the
241 * @state: backpointer to global drm_atomic_state
243 struct drm_crtc_state
{
246 /* computed state bits used by helpers and drivers */
247 bool planes_changed
: 1;
248 bool mode_changed
: 1;
250 /* last_vblank_count: for vblank waits before cleanup */
251 u32 last_vblank_count
;
253 /* adjusted_mode: for use by helpers and drivers */
254 struct drm_display_mode adjusted_mode
;
256 struct drm_display_mode mode
;
258 struct drm_pending_vblank_event
*event
;
260 struct drm_atomic_state
*state
;
264 * struct drm_crtc_funcs - control CRTCs for a given device
265 * @save: save CRTC state
266 * @restore: restore CRTC state
267 * @reset: reset CRTC after state has been invalidated (e.g. resume)
268 * @cursor_set: setup the cursor
269 * @cursor_set2: setup the cursor with hotspot, superseeds @cursor_set if set
270 * @cursor_move: move the cursor
271 * @gamma_set: specify color ramp for CRTC
272 * @destroy: deinit and free object
273 * @set_property: called when a property is changed
274 * @set_config: apply a new CRTC configuration
275 * @page_flip: initiate a page flip
276 * @atomic_duplicate_state: duplicate the atomic state for this CRTC
277 * @atomic_destroy_state: destroy an atomic state for this CRTC
278 * @atomic_set_property: set a property on an atomic state for this CRTC
280 * The drm_crtc_funcs structure is the central CRTC management structure
281 * in the DRM. Each CRTC controls one or more connectors (note that the name
282 * CRTC is simply historical, a CRTC may control LVDS, VGA, DVI, TV out, etc.
283 * connectors, not just CRTs).
285 * Each driver is responsible for filling out this structure at startup time,
286 * in addition to providing other modesetting features, like i2c and DDC
289 struct drm_crtc_funcs
{
290 /* Save CRTC state */
291 void (*save
)(struct drm_crtc
*crtc
); /* suspend? */
292 /* Restore CRTC state */
293 void (*restore
)(struct drm_crtc
*crtc
); /* resume? */
294 /* Reset CRTC state */
295 void (*reset
)(struct drm_crtc
*crtc
);
297 /* cursor controls */
298 int (*cursor_set
)(struct drm_crtc
*crtc
, struct drm_file
*file_priv
,
299 uint32_t handle
, uint32_t width
, uint32_t height
);
300 int (*cursor_set2
)(struct drm_crtc
*crtc
, struct drm_file
*file_priv
,
301 uint32_t handle
, uint32_t width
, uint32_t height
,
302 int32_t hot_x
, int32_t hot_y
);
303 int (*cursor_move
)(struct drm_crtc
*crtc
, int x
, int y
);
305 /* Set gamma on the CRTC */
306 void (*gamma_set
)(struct drm_crtc
*crtc
, u16
*r
, u16
*g
, u16
*b
,
307 uint32_t start
, uint32_t size
);
308 /* Object destroy routine */
309 void (*destroy
)(struct drm_crtc
*crtc
);
311 int (*set_config
)(struct drm_mode_set
*set
);
314 * Flip to the given framebuffer. This implements the page
315 * flip ioctl described in drm_mode.h, specifically, the
316 * implementation must return immediately and block all
317 * rendering to the current fb until the flip has completed.
318 * If userspace set the event flag in the ioctl, the event
319 * argument will point to an event to send back when the flip
320 * completes, otherwise it will be NULL.
322 int (*page_flip
)(struct drm_crtc
*crtc
,
323 struct drm_framebuffer
*fb
,
324 struct drm_pending_vblank_event
*event
,
327 int (*set_property
)(struct drm_crtc
*crtc
,
328 struct drm_property
*property
, uint64_t val
);
330 /* atomic update handling */
331 struct drm_crtc_state
*(*atomic_duplicate_state
)(struct drm_crtc
*crtc
);
332 void (*atomic_destroy_state
)(struct drm_crtc
*crtc
,
333 struct drm_crtc_state
*state
);
334 int (*atomic_set_property
)(struct drm_crtc
*crtc
,
335 struct drm_crtc_state
*state
,
336 struct drm_property
*property
,
341 * struct drm_crtc - central CRTC control structure
342 * @dev: parent DRM device
343 * @port: OF node used by drm_of_find_possible_crtcs()
344 * @head: list management
345 * @mutex: per-CRTC locking
346 * @base: base KMS object for ID tracking etc.
347 * @primary: primary plane for this CRTC
348 * @cursor: cursor plane for this CRTC
349 * @cursor_x: current x position of the cursor, used for universal cursor planes
350 * @cursor_y: current y position of the cursor, used for universal cursor planes
351 * @enabled: is this CRTC enabled?
352 * @mode: current mode timings
353 * @hwmode: mode timings as programmed to hw regs
354 * @invert_dimensions: for purposes of error checking crtc vs fb sizes,
355 * invert the width/height of the crtc. This is used if the driver
356 * is performing 90 or 270 degree rotated scanout
357 * @x: x position on screen
358 * @y: y position on screen
359 * @funcs: CRTC control functions
360 * @gamma_size: size of gamma ramp
361 * @gamma_store: gamma ramp values
362 * @framedur_ns: precise frame timing
363 * @linedur_ns: precise line timing
364 * @pixeldur_ns: precise pixel timing
365 * @helper_private: mid-layer private data
366 * @properties: property tracking for this CRTC
367 * @state: current atomic state for this CRTC
368 * @acquire_ctx: per-CRTC implicit acquire context used by atomic drivers for
371 * Each CRTC may have one or more connectors associated with it. This structure
372 * allows the CRTC to be controlled.
375 struct drm_device
*dev
;
376 struct device_node
*port
;
377 struct list_head head
;
382 * This provides a read lock for the overall crtc state (mode, dpms
383 * state, ...) and a write lock for everything which can be update
384 * without a full modeset (fb, cursor data, ...)
386 struct drm_modeset_lock mutex
;
388 struct drm_mode_object base
;
390 /* primary and cursor planes for CRTC */
391 struct drm_plane
*primary
;
392 struct drm_plane
*cursor
;
394 /* position of cursor plane on crtc */
400 /* Requested mode from modesetting. */
401 struct drm_display_mode mode
;
403 /* Programmed mode in hw, after adjustments for encoders,
404 * crtc, panel scaling etc. Needed for timestamping etc.
406 struct drm_display_mode hwmode
;
408 bool invert_dimensions
;
411 const struct drm_crtc_funcs
*funcs
;
413 /* CRTC gamma size for reporting to userspace */
415 uint16_t *gamma_store
;
417 /* Constants needed for precise vblank and swap timestamping. */
418 int framedur_ns
, linedur_ns
, pixeldur_ns
;
420 /* if you are using the helper */
421 void *helper_private
;
423 struct drm_object_properties properties
;
425 struct drm_crtc_state
*state
;
428 * For legacy crtc ioctls so that atomic drivers can get at the locking
431 struct drm_modeset_acquire_ctx
*acquire_ctx
;
435 * struct drm_connector_state - mutable connector state
436 * @crtc: CRTC to connect connector to, NULL if disabled
437 * @best_encoder: can be used by helpers and drivers to select the encoder
438 * @state: backpointer to global drm_atomic_state
440 struct drm_connector_state
{
441 struct drm_crtc
*crtc
;
443 struct drm_encoder
*best_encoder
;
445 struct drm_atomic_state
*state
;
449 * struct drm_connector_funcs - control connectors on a given device
450 * @dpms: set power state (see drm_crtc_funcs above)
451 * @save: save connector state
452 * @restore: restore connector state
453 * @reset: reset connector after state has been invalidated (e.g. resume)
454 * @detect: is this connector active?
455 * @fill_modes: fill mode list for this connector
456 * @set_property: property for this connector may need an update
457 * @destroy: make object go away
458 * @force: notify the driver that the connector is forced on
459 * @atomic_duplicate_state: duplicate the atomic state for this connector
460 * @atomic_destroy_state: destroy an atomic state for this connector
461 * @atomic_set_property: set a property on an atomic state for this connector
463 * Each CRTC may have one or more connectors attached to it. The functions
464 * below allow the core DRM code to control connectors, enumerate available modes,
467 struct drm_connector_funcs
{
468 void (*dpms
)(struct drm_connector
*connector
, int mode
);
469 void (*save
)(struct drm_connector
*connector
);
470 void (*restore
)(struct drm_connector
*connector
);
471 void (*reset
)(struct drm_connector
*connector
);
473 /* Check to see if anything is attached to the connector.
474 * @force is set to false whilst polling, true when checking the
475 * connector due to user request. @force can be used by the driver
476 * to avoid expensive, destructive operations during automated
479 enum drm_connector_status (*detect
)(struct drm_connector
*connector
,
481 int (*fill_modes
)(struct drm_connector
*connector
, uint32_t max_width
, uint32_t max_height
);
482 int (*set_property
)(struct drm_connector
*connector
, struct drm_property
*property
,
484 void (*destroy
)(struct drm_connector
*connector
);
485 void (*force
)(struct drm_connector
*connector
);
487 /* atomic update handling */
488 struct drm_connector_state
*(*atomic_duplicate_state
)(struct drm_connector
*connector
);
489 void (*atomic_destroy_state
)(struct drm_connector
*connector
,
490 struct drm_connector_state
*state
);
491 int (*atomic_set_property
)(struct drm_connector
*connector
,
492 struct drm_connector_state
*state
,
493 struct drm_property
*property
,
498 * struct drm_encoder_funcs - encoder controls
499 * @reset: reset state (e.g. at init or resume time)
500 * @destroy: cleanup and free associated data
502 * Encoders sit between CRTCs and connectors.
504 struct drm_encoder_funcs
{
505 void (*reset
)(struct drm_encoder
*encoder
);
506 void (*destroy
)(struct drm_encoder
*encoder
);
509 #define DRM_CONNECTOR_MAX_ENCODER 3
512 * struct drm_encoder - central DRM encoder structure
513 * @dev: parent DRM device
514 * @head: list management
515 * @base: base KMS object
516 * @name: encoder name
517 * @encoder_type: one of the %DRM_MODE_ENCODER_<foo> types in drm_mode.h
518 * @possible_crtcs: bitmask of potential CRTC bindings
519 * @possible_clones: bitmask of potential sibling encoders for cloning
520 * @crtc: currently bound CRTC
521 * @bridge: bridge associated to the encoder
522 * @funcs: control functions
523 * @helper_private: mid-layer private data
525 * CRTCs drive pixels to encoders, which convert them into signals
526 * appropriate for a given connector or set of connectors.
529 struct drm_device
*dev
;
530 struct list_head head
;
532 struct drm_mode_object base
;
535 uint32_t possible_crtcs
;
536 uint32_t possible_clones
;
538 struct drm_crtc
*crtc
;
539 struct drm_bridge
*bridge
;
540 const struct drm_encoder_funcs
*funcs
;
541 void *helper_private
;
544 /* should we poll this connector for connects and disconnects */
545 /* hot plug detectable */
546 #define DRM_CONNECTOR_POLL_HPD (1 << 0)
547 /* poll for connections */
548 #define DRM_CONNECTOR_POLL_CONNECT (1 << 1)
549 /* can cleanly poll for disconnections without flickering the screen */
550 /* DACs should rarely do this without a lot of testing */
551 #define DRM_CONNECTOR_POLL_DISCONNECT (1 << 2)
553 #define MAX_ELD_BYTES 128
556 * struct drm_connector - central DRM connector control structure
557 * @dev: parent DRM device
558 * @kdev: kernel device for sysfs attributes
559 * @attr: sysfs attributes
560 * @head: list management
561 * @base: base KMS object
562 * @name: connector name
563 * @connector_type: one of the %DRM_MODE_CONNECTOR_<foo> types from drm_mode.h
564 * @connector_type_id: index into connector type enum
565 * @interlace_allowed: can this connector handle interlaced modes?
566 * @doublescan_allowed: can this connector handle doublescan?
567 * @stereo_allowed: can this connector handle stereo modes?
568 * @modes: modes available on this connector (from fill_modes() + user)
569 * @status: one of the drm_connector_status enums (connected, not, or unknown)
570 * @probed_modes: list of modes derived directly from the display
571 * @display_info: information about attached display (e.g. from EDID)
572 * @funcs: connector control functions
573 * @edid_blob_ptr: DRM property containing EDID if present
574 * @properties: property tracking for this connector
575 * @path_blob_ptr: DRM blob property data for the DP MST path property
576 * @polled: a %DRM_CONNECTOR_POLL_<foo> value for core driven polling
577 * @dpms: current dpms state
578 * @helper_private: mid-layer private data
579 * @cmdline_mode: mode line parsed from the kernel cmdline for this connector
580 * @force: a %DRM_FORCE_<foo> state for forced mode sets
581 * @override_edid: has the EDID been overwritten through debugfs for testing?
582 * @encoder_ids: valid encoders for this connector
583 * @encoder: encoder driving this connector, if any
584 * @eld: EDID-like data, if present
585 * @dvi_dual: dual link DVI, if found
586 * @max_tmds_clock: max clock rate, if found
587 * @latency_present: AV delay info from ELD, if found
588 * @video_latency: video latency info from ELD, if found
589 * @audio_latency: audio latency info from ELD, if found
590 * @null_edid_counter: track sinks that give us all zeros for the EDID
591 * @bad_edid_counter: track sinks that give us an EDID with invalid checksum
592 * @debugfs_entry: debugfs directory for this connector
593 * @state: current atomic state for this connector
595 * Each connector may be connected to one or more CRTCs, or may be clonable by
596 * another connector if they can share a CRTC. Each connector also has a specific
597 * position in the broader display (referred to as a 'screen' though it could
598 * span multiple monitors).
600 struct drm_connector
{
601 struct drm_device
*dev
;
603 struct device_attribute
*attr
;
604 struct list_head head
;
606 struct drm_mode_object base
;
610 int connector_type_id
;
611 bool interlace_allowed
;
612 bool doublescan_allowed
;
614 struct list_head modes
; /* list of modes on this connector */
616 enum drm_connector_status status
;
618 /* these are modes added by probing with DDC or the BIOS */
619 struct list_head probed_modes
;
621 struct drm_display_info display_info
;
622 const struct drm_connector_funcs
*funcs
;
624 struct drm_property_blob
*edid_blob_ptr
;
625 struct drm_object_properties properties
;
627 struct drm_property_blob
*path_blob_ptr
;
629 uint8_t polled
; /* DRM_CONNECTOR_POLL_* */
631 /* requested DPMS state */
634 void *helper_private
;
636 /* forced on connector */
637 struct drm_cmdline_mode cmdline_mode
;
638 enum drm_connector_force force
;
640 uint32_t encoder_ids
[DRM_CONNECTOR_MAX_ENCODER
];
641 struct drm_encoder
*encoder
; /* currently active encoder */
644 uint8_t eld
[MAX_ELD_BYTES
];
646 int max_tmds_clock
; /* in MHz */
647 bool latency_present
[2];
648 int video_latency
[2]; /* [0]: progressive, [1]: interlaced */
649 int audio_latency
[2];
650 int null_edid_counter
; /* needed to workaround some HW bugs where we get all 0s */
651 unsigned bad_edid_counter
;
653 struct dentry
*debugfs_entry
;
655 struct drm_connector_state
*state
;
659 * struct drm_plane_state - mutable plane state
660 * @crtc: currently bound CRTC, NULL if disabled
661 * @fb: currently bound framebuffer
662 * @fence: optional fence to wait for before scanning out @fb
663 * @crtc_x: left position of visible portion of plane on crtc
664 * @crtc_y: upper position of visible portion of plane on crtc
665 * @crtc_w: width of visible portion of plane on crtc
666 * @crtc_h: height of visible portion of plane on crtc
667 * @src_x: left position of visible portion of plane within
669 * @src_y: upper position of visible portion of plane within
671 * @src_w: width of visible portion of plane (in 16.16)
672 * @src_h: height of visible portion of plane (in 16.16)
673 * @state: backpointer to global drm_atomic_state
675 struct drm_plane_state
{
676 struct drm_crtc
*crtc
;
677 struct drm_framebuffer
*fb
;
680 /* Signed dest location allows it to be partially off screen */
681 int32_t crtc_x
, crtc_y
;
682 uint32_t crtc_w
, crtc_h
;
684 /* Source values are 16.16 fixed point */
685 uint32_t src_x
, src_y
;
686 uint32_t src_h
, src_w
;
688 struct drm_atomic_state
*state
;
693 * struct drm_plane_funcs - driver plane control functions
694 * @update_plane: update the plane configuration
695 * @disable_plane: shut down the plane
696 * @destroy: clean up plane resources
697 * @reset: reset plane after state has been invalidated (e.g. resume)
698 * @set_property: called when a property is changed
699 * @atomic_duplicate_state: duplicate the atomic state for this plane
700 * @atomic_destroy_state: destroy an atomic state for this plane
701 * @atomic_set_property: set a property on an atomic state for this plane
703 struct drm_plane_funcs
{
704 int (*update_plane
)(struct drm_plane
*plane
,
705 struct drm_crtc
*crtc
, struct drm_framebuffer
*fb
,
706 int crtc_x
, int crtc_y
,
707 unsigned int crtc_w
, unsigned int crtc_h
,
708 uint32_t src_x
, uint32_t src_y
,
709 uint32_t src_w
, uint32_t src_h
);
710 int (*disable_plane
)(struct drm_plane
*plane
);
711 void (*destroy
)(struct drm_plane
*plane
);
712 void (*reset
)(struct drm_plane
*plane
);
714 int (*set_property
)(struct drm_plane
*plane
,
715 struct drm_property
*property
, uint64_t val
);
717 /* atomic update handling */
718 struct drm_plane_state
*(*atomic_duplicate_state
)(struct drm_plane
*plane
);
719 void (*atomic_destroy_state
)(struct drm_plane
*plane
,
720 struct drm_plane_state
*state
);
721 int (*atomic_set_property
)(struct drm_plane
*plane
,
722 struct drm_plane_state
*state
,
723 struct drm_property
*property
,
727 enum drm_plane_type
{
728 DRM_PLANE_TYPE_OVERLAY
,
729 DRM_PLANE_TYPE_PRIMARY
,
730 DRM_PLANE_TYPE_CURSOR
,
734 * struct drm_plane - central DRM plane control structure
735 * @dev: DRM device this plane belongs to
736 * @head: for list management
737 * @base: base mode object
738 * @possible_crtcs: pipes this plane can be bound to
739 * @format_types: array of formats supported by this plane
740 * @format_count: number of formats supported
741 * @crtc: currently bound CRTC
742 * @fb: currently bound fb
743 * @old_fb: Temporary tracking of the old fb while a modeset is ongoing. Used by
744 * drm_mode_set_config_internal() to implement correct refcounting.
745 * @funcs: helper functions
746 * @properties: property tracking for this plane
747 * @type: type of plane (overlay, primary, cursor)
748 * @state: current atomic state for this plane
751 struct drm_device
*dev
;
752 struct list_head head
;
754 struct drm_modeset_lock mutex
;
756 struct drm_mode_object base
;
758 uint32_t possible_crtcs
;
759 uint32_t *format_types
;
760 uint32_t format_count
;
762 struct drm_crtc
*crtc
;
763 struct drm_framebuffer
*fb
;
765 struct drm_framebuffer
*old_fb
;
767 const struct drm_plane_funcs
*funcs
;
769 struct drm_object_properties properties
;
771 enum drm_plane_type type
;
773 void *helper_private
;
775 struct drm_plane_state
*state
;
779 * struct drm_bridge_funcs - drm_bridge control functions
780 * @mode_fixup: Try to fixup (or reject entirely) proposed mode for this bridge
781 * @disable: Called right before encoder prepare, disables the bridge
782 * @post_disable: Called right after encoder prepare, for lockstepped disable
783 * @mode_set: Set this mode to the bridge
784 * @pre_enable: Called right before encoder commit, for lockstepped commit
785 * @enable: Called right after encoder commit, enables the bridge
786 * @destroy: make object go away
788 struct drm_bridge_funcs
{
789 bool (*mode_fixup
)(struct drm_bridge
*bridge
,
790 const struct drm_display_mode
*mode
,
791 struct drm_display_mode
*adjusted_mode
);
792 void (*disable
)(struct drm_bridge
*bridge
);
793 void (*post_disable
)(struct drm_bridge
*bridge
);
794 void (*mode_set
)(struct drm_bridge
*bridge
,
795 struct drm_display_mode
*mode
,
796 struct drm_display_mode
*adjusted_mode
);
797 void (*pre_enable
)(struct drm_bridge
*bridge
);
798 void (*enable
)(struct drm_bridge
*bridge
);
799 void (*destroy
)(struct drm_bridge
*bridge
);
803 * struct drm_bridge - central DRM bridge control structure
804 * @dev: DRM device this bridge belongs to
805 * @head: list management
806 * @base: base mode object
807 * @funcs: control functions
808 * @driver_private: pointer to the bridge driver's internal context
811 struct drm_device
*dev
;
812 struct list_head head
;
814 struct drm_mode_object base
;
816 const struct drm_bridge_funcs
*funcs
;
817 void *driver_private
;
821 * struct struct drm_atomic_state - the global state object for atomic updates
822 * @dev: parent DRM device
823 * @flags: state flags like async update
824 * @planes: pointer to array of plane pointers
825 * @plane_states: pointer to array of plane states pointers
826 * @crtcs: pointer to array of CRTC pointers
827 * @crtc_states: pointer to array of CRTC states pointers
828 * @num_connector: size of the @connectors and @connector_states arrays
829 * @connectors: pointer to array of connector pointers
830 * @connector_states: pointer to array of connector states pointers
831 * @acquire_ctx: acquire context for this atomic modeset state update
833 struct drm_atomic_state
{
834 struct drm_device
*dev
;
836 struct drm_plane
**planes
;
837 struct drm_plane_state
**plane_states
;
838 struct drm_crtc
**crtcs
;
839 struct drm_crtc_state
**crtc_states
;
841 struct drm_connector
**connectors
;
842 struct drm_connector_state
**connector_states
;
844 struct drm_modeset_acquire_ctx
*acquire_ctx
;
849 * struct drm_mode_set - new values for a CRTC config change
850 * @fb: framebuffer to use for new config
851 * @crtc: CRTC whose configuration we're about to change
852 * @mode: mode timings to use
853 * @x: position of this CRTC relative to @fb
854 * @y: position of this CRTC relative to @fb
855 * @connectors: array of connectors to drive with this CRTC if possible
856 * @num_connectors: size of @connectors array
858 * Represents a single crtc the connectors that it drives with what mode
859 * and from which framebuffer it scans out from.
861 * This is used to set modes.
863 struct drm_mode_set
{
864 struct drm_framebuffer
*fb
;
865 struct drm_crtc
*crtc
;
866 struct drm_display_mode
*mode
;
871 struct drm_connector
**connectors
;
872 size_t num_connectors
;
876 * struct drm_mode_config_funcs - basic driver provided mode setting functions
877 * @fb_create: create a new framebuffer object
878 * @output_poll_changed: function to handle output configuration changes
879 * @atomic_check: check whether a give atomic state update is possible
880 * @atomic_commit: commit an atomic state update previously verified with
883 * Some global (i.e. not per-CRTC, connector, etc) mode setting functions that
886 struct drm_mode_config_funcs
{
887 struct drm_framebuffer
*(*fb_create
)(struct drm_device
*dev
,
888 struct drm_file
*file_priv
,
889 struct drm_mode_fb_cmd2
*mode_cmd
);
890 void (*output_poll_changed
)(struct drm_device
*dev
);
892 int (*atomic_check
)(struct drm_device
*dev
,
893 struct drm_atomic_state
*a
);
894 int (*atomic_commit
)(struct drm_device
*dev
,
895 struct drm_atomic_state
*a
,
900 * struct drm_mode_group - group of mode setting resources for potential sub-grouping
901 * @num_crtcs: CRTC count
902 * @num_encoders: encoder count
903 * @num_connectors: connector count
904 * @num_bridges: bridge count
905 * @id_list: list of KMS object IDs in this group
907 * Currently this simply tracks the global mode setting state. But in the
908 * future it could allow groups of objects to be set aside into independent
909 * control groups for use by different user level processes (e.g. two X servers
910 * running simultaneously on different heads, each with their own mode
911 * configuration and freedom of mode setting).
913 struct drm_mode_group
{
915 uint32_t num_encoders
;
916 uint32_t num_connectors
;
917 uint32_t num_bridges
;
919 /* list of object IDs for this group */
924 * struct drm_mode_config - Mode configuration control structure
925 * @mutex: mutex protecting KMS related lists and structures
926 * @connection_mutex: ww mutex protecting connector state and routing
927 * @acquire_ctx: global implicit acquire context used by atomic drivers for
929 * @idr_mutex: mutex for KMS ID allocation and management
930 * @crtc_idr: main KMS ID tracking object
931 * @fb_lock: mutex to protect fb state and lists
932 * @num_fb: number of fbs available
933 * @fb_list: list of framebuffers available
934 * @num_connector: number of connectors on this device
935 * @connector_list: list of connector objects
936 * @num_bridge: number of bridges on this device
937 * @bridge_list: list of bridge objects
938 * @num_encoder: number of encoders on this device
939 * @encoder_list: list of encoder objects
940 * @num_overlay_plane: number of overlay planes on this device
941 * @num_total_plane: number of universal (i.e. with primary/curso) planes on this device
942 * @plane_list: list of plane objects
943 * @num_crtc: number of CRTCs on this device
944 * @crtc_list: list of CRTC objects
945 * @property_list: list of property objects
946 * @min_width: minimum pixel width on this device
947 * @min_height: minimum pixel height on this device
948 * @max_width: maximum pixel width on this device
949 * @max_height: maximum pixel height on this device
950 * @funcs: core driver provided mode setting functions
951 * @fb_base: base address of the framebuffer
952 * @poll_enabled: track polling support for this device
953 * @poll_running: track polling status for this device
954 * @output_poll_work: delayed work for polling in process context
955 * @property_blob_list: list of all the blob property objects
956 * @*_property: core property tracking
957 * @preferred_depth: preferred RBG pixel depth, used by fb helpers
958 * @prefer_shadow: hint to userspace to prefer shadow-fb rendering
959 * @async_page_flip: does this device support async flips on the primary plane?
960 * @cursor_width: hint to userspace for max cursor width
961 * @cursor_height: hint to userspace for max cursor height
963 * Core mode resource tracking structure. All CRTC, encoders, and connectors
964 * enumerated by the driver are added here, as are global properties. Some
965 * global restrictions are also here, e.g. dimension restrictions.
967 struct drm_mode_config
{
968 struct mutex mutex
; /* protects configuration (mode lists etc.) */
969 struct drm_modeset_lock connection_mutex
; /* protects connector->encoder and encoder->crtc links */
970 struct drm_modeset_acquire_ctx
*acquire_ctx
; /* for legacy _lock_all() / _unlock_all() */
971 struct mutex idr_mutex
; /* for IDR management */
972 struct idr crtc_idr
; /* use this idr for all IDs, fb, crtc, connector, modes - just makes life easier */
973 /* this is limited to one for now */
975 struct mutex fb_lock
; /* proctects global and per-file fb lists */
977 struct list_head fb_list
;
980 struct list_head connector_list
;
982 struct list_head bridge_list
;
984 struct list_head encoder_list
;
987 * Track # of overlay planes separately from # of total planes. By
988 * default we only advertise overlay planes to userspace; if userspace
989 * sets the "universal plane" capability bit, we'll go ahead and
992 int num_overlay_plane
;
994 struct list_head plane_list
;
997 struct list_head crtc_list
;
999 struct list_head property_list
;
1001 int min_width
, min_height
;
1002 int max_width
, max_height
;
1003 const struct drm_mode_config_funcs
*funcs
;
1004 resource_size_t fb_base
;
1006 /* output poll support */
1009 struct delayed_work output_poll_work
;
1011 /* pointers to standard properties */
1012 struct list_head property_blob_list
;
1013 struct drm_property
*edid_property
;
1014 struct drm_property
*dpms_property
;
1015 struct drm_property
*path_property
;
1016 struct drm_property
*plane_type_property
;
1017 struct drm_property
*rotation_property
;
1019 /* DVI-I properties */
1020 struct drm_property
*dvi_i_subconnector_property
;
1021 struct drm_property
*dvi_i_select_subconnector_property
;
1024 struct drm_property
*tv_subconnector_property
;
1025 struct drm_property
*tv_select_subconnector_property
;
1026 struct drm_property
*tv_mode_property
;
1027 struct drm_property
*tv_left_margin_property
;
1028 struct drm_property
*tv_right_margin_property
;
1029 struct drm_property
*tv_top_margin_property
;
1030 struct drm_property
*tv_bottom_margin_property
;
1031 struct drm_property
*tv_brightness_property
;
1032 struct drm_property
*tv_contrast_property
;
1033 struct drm_property
*tv_flicker_reduction_property
;
1034 struct drm_property
*tv_overscan_property
;
1035 struct drm_property
*tv_saturation_property
;
1036 struct drm_property
*tv_hue_property
;
1038 /* Optional properties */
1039 struct drm_property
*scaling_mode_property
;
1040 struct drm_property
*aspect_ratio_property
;
1041 struct drm_property
*dirty_info_property
;
1043 /* properties for virtual machine layout */
1044 struct drm_property
*suggested_x_property
;
1045 struct drm_property
*suggested_y_property
;
1047 /* dumb ioctl parameters */
1048 uint32_t preferred_depth
, prefer_shadow
;
1050 /* whether async page flip is supported or not */
1051 bool async_page_flip
;
1054 uint32_t cursor_width
, cursor_height
;
1057 #define obj_to_crtc(x) container_of(x, struct drm_crtc, base)
1058 #define obj_to_connector(x) container_of(x, struct drm_connector, base)
1059 #define obj_to_encoder(x) container_of(x, struct drm_encoder, base)
1060 #define obj_to_mode(x) container_of(x, struct drm_display_mode, base)
1061 #define obj_to_fb(x) container_of(x, struct drm_framebuffer, base)
1062 #define obj_to_property(x) container_of(x, struct drm_property, base)
1063 #define obj_to_blob(x) container_of(x, struct drm_property_blob, base)
1064 #define obj_to_plane(x) container_of(x, struct drm_plane, base)
1066 struct drm_prop_enum_list
{
1071 extern int drm_crtc_init_with_planes(struct drm_device
*dev
,
1072 struct drm_crtc
*crtc
,
1073 struct drm_plane
*primary
,
1074 struct drm_plane
*cursor
,
1075 const struct drm_crtc_funcs
*funcs
);
1076 extern void drm_crtc_cleanup(struct drm_crtc
*crtc
);
1077 extern unsigned int drm_crtc_index(struct drm_crtc
*crtc
);
1080 * drm_crtc_mask - find the mask of a registered CRTC
1081 * @crtc: CRTC to find mask for
1083 * Given a registered CRTC, return the mask bit of that CRTC for an
1084 * encoder's possible_crtcs field.
1086 static inline uint32_t drm_crtc_mask(struct drm_crtc
*crtc
)
1088 return 1 << drm_crtc_index(crtc
);
1091 extern void drm_connector_ida_init(void);
1092 extern void drm_connector_ida_destroy(void);
1093 extern int drm_connector_init(struct drm_device
*dev
,
1094 struct drm_connector
*connector
,
1095 const struct drm_connector_funcs
*funcs
,
1096 int connector_type
);
1097 int drm_connector_register(struct drm_connector
*connector
);
1098 void drm_connector_unregister(struct drm_connector
*connector
);
1100 extern void drm_connector_cleanup(struct drm_connector
*connector
);
1101 extern unsigned int drm_connector_index(struct drm_connector
*connector
);
1102 /* helper to unplug all connectors from sysfs for device */
1103 extern void drm_connector_unplug_all(struct drm_device
*dev
);
1105 extern int drm_bridge_init(struct drm_device
*dev
, struct drm_bridge
*bridge
,
1106 const struct drm_bridge_funcs
*funcs
);
1107 extern void drm_bridge_cleanup(struct drm_bridge
*bridge
);
1109 extern int drm_encoder_init(struct drm_device
*dev
,
1110 struct drm_encoder
*encoder
,
1111 const struct drm_encoder_funcs
*funcs
,
1115 * drm_encoder_crtc_ok - can a given crtc drive a given encoder?
1116 * @encoder: encoder to test
1117 * @crtc: crtc to test
1119 * Return false if @encoder can't be driven by @crtc, true otherwise.
1121 static inline bool drm_encoder_crtc_ok(struct drm_encoder
*encoder
,
1122 struct drm_crtc
*crtc
)
1124 return !!(encoder
->possible_crtcs
& drm_crtc_mask(crtc
));
1127 extern int drm_universal_plane_init(struct drm_device
*dev
,
1128 struct drm_plane
*plane
,
1129 unsigned long possible_crtcs
,
1130 const struct drm_plane_funcs
*funcs
,
1131 const uint32_t *formats
,
1132 uint32_t format_count
,
1133 enum drm_plane_type type
);
1134 extern int drm_plane_init(struct drm_device
*dev
,
1135 struct drm_plane
*plane
,
1136 unsigned long possible_crtcs
,
1137 const struct drm_plane_funcs
*funcs
,
1138 const uint32_t *formats
, uint32_t format_count
,
1140 extern void drm_plane_cleanup(struct drm_plane
*plane
);
1141 extern unsigned int drm_plane_index(struct drm_plane
*plane
);
1142 extern void drm_plane_force_disable(struct drm_plane
*plane
);
1143 extern int drm_crtc_check_viewport(const struct drm_crtc
*crtc
,
1145 const struct drm_display_mode
*mode
,
1146 const struct drm_framebuffer
*fb
);
1148 extern void drm_encoder_cleanup(struct drm_encoder
*encoder
);
1150 extern const char *drm_get_connector_status_name(enum drm_connector_status status
);
1151 extern const char *drm_get_subpixel_order_name(enum subpixel_order order
);
1152 extern const char *drm_get_dpms_name(int val
);
1153 extern const char *drm_get_dvi_i_subconnector_name(int val
);
1154 extern const char *drm_get_dvi_i_select_name(int val
);
1155 extern const char *drm_get_tv_subconnector_name(int val
);
1156 extern const char *drm_get_tv_select_name(int val
);
1157 extern void drm_fb_release(struct drm_file
*file_priv
);
1158 extern int drm_mode_group_init_legacy_group(struct drm_device
*dev
, struct drm_mode_group
*group
);
1159 extern void drm_mode_group_destroy(struct drm_mode_group
*group
);
1160 extern void drm_reinit_primary_mode_group(struct drm_device
*dev
);
1161 extern bool drm_probe_ddc(struct i2c_adapter
*adapter
);
1162 extern struct edid
*drm_get_edid(struct drm_connector
*connector
,
1163 struct i2c_adapter
*adapter
);
1164 extern struct edid
*drm_edid_duplicate(const struct edid
*edid
);
1165 extern int drm_add_edid_modes(struct drm_connector
*connector
, struct edid
*edid
);
1166 extern void drm_mode_config_init(struct drm_device
*dev
);
1167 extern void drm_mode_config_reset(struct drm_device
*dev
);
1168 extern void drm_mode_config_cleanup(struct drm_device
*dev
);
1170 extern int drm_mode_connector_set_path_property(struct drm_connector
*connector
,
1172 extern int drm_mode_connector_update_edid_property(struct drm_connector
*connector
,
1173 const struct edid
*edid
);
1175 static inline bool drm_property_type_is(struct drm_property
*property
,
1178 /* instanceof for props.. handles extended type vs original types: */
1179 if (property
->flags
& DRM_MODE_PROP_EXTENDED_TYPE
)
1180 return (property
->flags
& DRM_MODE_PROP_EXTENDED_TYPE
) == type
;
1181 return property
->flags
& type
;
1184 static inline bool drm_property_type_valid(struct drm_property
*property
)
1186 if (property
->flags
& DRM_MODE_PROP_EXTENDED_TYPE
)
1187 return !(property
->flags
& DRM_MODE_PROP_LEGACY_TYPE
);
1188 return !!(property
->flags
& DRM_MODE_PROP_LEGACY_TYPE
);
1191 extern int drm_object_property_set_value(struct drm_mode_object
*obj
,
1192 struct drm_property
*property
,
1194 extern int drm_object_property_get_value(struct drm_mode_object
*obj
,
1195 struct drm_property
*property
,
1197 extern int drm_framebuffer_init(struct drm_device
*dev
,
1198 struct drm_framebuffer
*fb
,
1199 const struct drm_framebuffer_funcs
*funcs
);
1200 extern struct drm_framebuffer
*drm_framebuffer_lookup(struct drm_device
*dev
,
1202 extern void drm_framebuffer_unreference(struct drm_framebuffer
*fb
);
1203 extern void drm_framebuffer_reference(struct drm_framebuffer
*fb
);
1204 extern void drm_framebuffer_remove(struct drm_framebuffer
*fb
);
1205 extern void drm_framebuffer_cleanup(struct drm_framebuffer
*fb
);
1206 extern void drm_framebuffer_unregister_private(struct drm_framebuffer
*fb
);
1208 extern void drm_object_attach_property(struct drm_mode_object
*obj
,
1209 struct drm_property
*property
,
1211 extern struct drm_property
*drm_property_create(struct drm_device
*dev
, int flags
,
1212 const char *name
, int num_values
);
1213 extern struct drm_property
*drm_property_create_enum(struct drm_device
*dev
, int flags
,
1215 const struct drm_prop_enum_list
*props
,
1217 struct drm_property
*drm_property_create_bitmask(struct drm_device
*dev
,
1218 int flags
, const char *name
,
1219 const struct drm_prop_enum_list
*props
,
1221 uint64_t supported_bits
);
1222 struct drm_property
*drm_property_create_range(struct drm_device
*dev
, int flags
,
1224 uint64_t min
, uint64_t max
);
1225 struct drm_property
*drm_property_create_signed_range(struct drm_device
*dev
,
1226 int flags
, const char *name
,
1227 int64_t min
, int64_t max
);
1228 struct drm_property
*drm_property_create_object(struct drm_device
*dev
,
1229 int flags
, const char *name
, uint32_t type
);
1230 extern void drm_property_destroy(struct drm_device
*dev
, struct drm_property
*property
);
1231 extern int drm_property_add_enum(struct drm_property
*property
, int index
,
1232 uint64_t value
, const char *name
);
1233 extern int drm_mode_create_dvi_i_properties(struct drm_device
*dev
);
1234 extern int drm_mode_create_tv_properties(struct drm_device
*dev
,
1235 unsigned int num_modes
,
1237 extern int drm_mode_create_scaling_mode_property(struct drm_device
*dev
);
1238 extern int drm_mode_create_aspect_ratio_property(struct drm_device
*dev
);
1239 extern int drm_mode_create_dirty_info_property(struct drm_device
*dev
);
1240 extern int drm_mode_create_suggested_offset_properties(struct drm_device
*dev
);
1242 extern int drm_mode_connector_attach_encoder(struct drm_connector
*connector
,
1243 struct drm_encoder
*encoder
);
1244 extern int drm_mode_crtc_set_gamma_size(struct drm_crtc
*crtc
,
1246 extern struct drm_mode_object
*drm_mode_object_find(struct drm_device
*dev
,
1247 uint32_t id
, uint32_t type
);
1250 extern int drm_mode_getresources(struct drm_device
*dev
,
1251 void *data
, struct drm_file
*file_priv
);
1252 extern int drm_mode_getplane_res(struct drm_device
*dev
, void *data
,
1253 struct drm_file
*file_priv
);
1254 extern int drm_mode_getcrtc(struct drm_device
*dev
,
1255 void *data
, struct drm_file
*file_priv
);
1256 extern int drm_mode_getconnector(struct drm_device
*dev
,
1257 void *data
, struct drm_file
*file_priv
);
1258 extern int drm_mode_set_config_internal(struct drm_mode_set
*set
);
1259 extern int drm_mode_setcrtc(struct drm_device
*dev
,
1260 void *data
, struct drm_file
*file_priv
);
1261 extern int drm_mode_getplane(struct drm_device
*dev
,
1262 void *data
, struct drm_file
*file_priv
);
1263 extern int drm_mode_setplane(struct drm_device
*dev
,
1264 void *data
, struct drm_file
*file_priv
);
1265 extern int drm_mode_cursor_ioctl(struct drm_device
*dev
,
1266 void *data
, struct drm_file
*file_priv
);
1267 extern int drm_mode_cursor2_ioctl(struct drm_device
*dev
,
1268 void *data
, struct drm_file
*file_priv
);
1269 extern int drm_mode_addfb(struct drm_device
*dev
,
1270 void *data
, struct drm_file
*file_priv
);
1271 extern int drm_mode_addfb2(struct drm_device
*dev
,
1272 void *data
, struct drm_file
*file_priv
);
1273 extern uint32_t drm_mode_legacy_fb_format(uint32_t bpp
, uint32_t depth
);
1274 extern int drm_mode_rmfb(struct drm_device
*dev
,
1275 void *data
, struct drm_file
*file_priv
);
1276 extern int drm_mode_getfb(struct drm_device
*dev
,
1277 void *data
, struct drm_file
*file_priv
);
1278 extern int drm_mode_dirtyfb_ioctl(struct drm_device
*dev
,
1279 void *data
, struct drm_file
*file_priv
);
1281 extern int drm_mode_getproperty_ioctl(struct drm_device
*dev
,
1282 void *data
, struct drm_file
*file_priv
);
1283 extern int drm_mode_getblob_ioctl(struct drm_device
*dev
,
1284 void *data
, struct drm_file
*file_priv
);
1285 extern int drm_mode_connector_property_set_ioctl(struct drm_device
*dev
,
1286 void *data
, struct drm_file
*file_priv
);
1287 extern int drm_mode_getencoder(struct drm_device
*dev
,
1288 void *data
, struct drm_file
*file_priv
);
1289 extern int drm_mode_gamma_get_ioctl(struct drm_device
*dev
,
1290 void *data
, struct drm_file
*file_priv
);
1291 extern int drm_mode_gamma_set_ioctl(struct drm_device
*dev
,
1292 void *data
, struct drm_file
*file_priv
);
1293 extern u8
drm_match_cea_mode(const struct drm_display_mode
*to_match
);
1294 extern enum hdmi_picture_aspect
drm_get_cea_aspect_ratio(const u8 video_code
);
1295 extern bool drm_detect_hdmi_monitor(struct edid
*edid
);
1296 extern bool drm_detect_monitor_audio(struct edid
*edid
);
1297 extern bool drm_rgb_quant_range_selectable(struct edid
*edid
);
1298 extern int drm_mode_page_flip_ioctl(struct drm_device
*dev
,
1299 void *data
, struct drm_file
*file_priv
);
1300 extern int drm_add_modes_noedid(struct drm_connector
*connector
,
1301 int hdisplay
, int vdisplay
);
1302 extern void drm_set_preferred_mode(struct drm_connector
*connector
,
1303 int hpref
, int vpref
);
1305 extern int drm_edid_header_is_valid(const u8
*raw_edid
);
1306 extern bool drm_edid_block_valid(u8
*raw_edid
, int block
, bool print_bad_edid
);
1307 extern bool drm_edid_is_valid(struct edid
*edid
);
1308 struct drm_display_mode
*drm_mode_find_dmt(struct drm_device
*dev
,
1309 int hsize
, int vsize
, int fresh
,
1312 extern int drm_mode_create_dumb_ioctl(struct drm_device
*dev
,
1313 void *data
, struct drm_file
*file_priv
);
1314 extern int drm_mode_mmap_dumb_ioctl(struct drm_device
*dev
,
1315 void *data
, struct drm_file
*file_priv
);
1316 extern int drm_mode_destroy_dumb_ioctl(struct drm_device
*dev
,
1317 void *data
, struct drm_file
*file_priv
);
1318 extern int drm_mode_obj_get_properties_ioctl(struct drm_device
*dev
, void *data
,
1319 struct drm_file
*file_priv
);
1320 extern int drm_mode_obj_set_property_ioctl(struct drm_device
*dev
, void *data
,
1321 struct drm_file
*file_priv
);
1322 extern int drm_mode_plane_set_obj_prop(struct drm_plane
*plane
,
1323 struct drm_property
*property
,
1326 extern void drm_fb_get_bpp_depth(uint32_t format
, unsigned int *depth
,
1328 extern int drm_format_num_planes(uint32_t format
);
1329 extern int drm_format_plane_cpp(uint32_t format
, int plane
);
1330 extern int drm_format_horz_chroma_subsampling(uint32_t format
);
1331 extern int drm_format_vert_chroma_subsampling(uint32_t format
);
1332 extern const char *drm_get_format_name(uint32_t format
);
1333 extern struct drm_property
*drm_mode_create_rotation_property(struct drm_device
*dev
,
1334 unsigned int supported_rotations
);
1335 extern unsigned int drm_rotation_simplify(unsigned int rotation
,
1336 unsigned int supported_rotations
);
1340 static inline struct drm_plane
*drm_plane_find(struct drm_device
*dev
,
1343 struct drm_mode_object
*mo
;
1344 mo
= drm_mode_object_find(dev
, id
, DRM_MODE_OBJECT_PLANE
);
1345 return mo
? obj_to_plane(mo
) : NULL
;
1348 static inline struct drm_crtc
*drm_crtc_find(struct drm_device
*dev
,
1351 struct drm_mode_object
*mo
;
1352 mo
= drm_mode_object_find(dev
, id
, DRM_MODE_OBJECT_CRTC
);
1353 return mo
? obj_to_crtc(mo
) : NULL
;
1356 static inline struct drm_encoder
*drm_encoder_find(struct drm_device
*dev
,
1359 struct drm_mode_object
*mo
;
1360 mo
= drm_mode_object_find(dev
, id
, DRM_MODE_OBJECT_ENCODER
);
1361 return mo
? obj_to_encoder(mo
) : NULL
;
1364 static inline struct drm_connector
*drm_connector_find(struct drm_device
*dev
,
1367 struct drm_mode_object
*mo
;
1368 mo
= drm_mode_object_find(dev
, id
, DRM_MODE_OBJECT_CONNECTOR
);
1369 return mo
? obj_to_connector(mo
) : NULL
;
1372 static inline struct drm_property
*drm_property_find(struct drm_device
*dev
,
1375 struct drm_mode_object
*mo
;
1376 mo
= drm_mode_object_find(dev
, id
, DRM_MODE_OBJECT_PROPERTY
);
1377 return mo
? obj_to_property(mo
) : NULL
;
1380 static inline struct drm_property_blob
*
1381 drm_property_blob_find(struct drm_device
*dev
, uint32_t id
)
1383 struct drm_mode_object
*mo
;
1384 mo
= drm_mode_object_find(dev
, id
, DRM_MODE_OBJECT_BLOB
);
1385 return mo
? obj_to_blob(mo
) : NULL
;
1388 /* Plane list iterator for legacy (overlay only) planes. */
1389 #define drm_for_each_legacy_plane(plane, planelist) \
1390 list_for_each_entry(plane, planelist, head) \
1391 if (plane->type == DRM_PLANE_TYPE_OVERLAY)
1393 #endif /* __DRM_CRTC_H__ */