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1/*2 * Copyright (c) 2007 Dave Airlie <airlied@linux.ie>3 * Copyright (c) 2007 Jakob Bornecrantz <wallbraker@gmail.com>4 * Copyright (c) 2008 Red Hat Inc.5 * Copyright (c) 2007-2008 Tungsten Graphics, Inc., Cedar Park, TX., USA6 * Copyright (c) 2007-2008 Intel Corporation7 *8 * Permission is hereby granted, free of charge, to any person obtaining a9 * copy of this software and associated documentation files (the "Software"),10 * to deal in the Software without restriction, including without limitation11 * the rights to use, copy, modify, merge, publish, distribute, sublicense,12 * and/or sell copies of the Software, and to permit persons to whom the13 * Software is furnished to do so, subject to the following conditions:14 *15 * The above copyright notice and this permission notice shall be included in16 * all copies or substantial portions of the Software.17 *18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE21 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER22 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING23 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS24 * IN THE SOFTWARE.25 */26 27#ifndef _DRM_MODE_H28#define _DRM_MODE_H29 30#include "drm.h"31 32#if defined(__cplusplus)33extern "C" {34#endif35 36/**37 * DOC: overview38 *39 * DRM exposes many UAPI and structure definitions to have a consistent40 * and standardized interface with users.41 * Userspace can refer to these structure definitions and UAPI formats42 * to communicate to drivers.43 */44 45#define DRM_CONNECTOR_NAME_LEN 3246#define DRM_DISPLAY_MODE_LEN 3247#define DRM_PROP_NAME_LEN 3248 49#define DRM_MODE_TYPE_BUILTIN (1<<0) /* deprecated */50#define DRM_MODE_TYPE_CLOCK_C ((1<<1) | DRM_MODE_TYPE_BUILTIN) /* deprecated */51#define DRM_MODE_TYPE_CRTC_C ((1<<2) | DRM_MODE_TYPE_BUILTIN) /* deprecated */52#define DRM_MODE_TYPE_PREFERRED (1<<3)53#define DRM_MODE_TYPE_DEFAULT (1<<4) /* deprecated */54#define DRM_MODE_TYPE_USERDEF (1<<5)55#define DRM_MODE_TYPE_DRIVER (1<<6)56 57#define DRM_MODE_TYPE_ALL (DRM_MODE_TYPE_PREFERRED | \58 DRM_MODE_TYPE_USERDEF | \59 DRM_MODE_TYPE_DRIVER)60 61/* Video mode flags */62/* bit compatible with the xrandr RR_ definitions (bits 0-13)63 *64 * ABI warning: Existing userspace really expects65 * the mode flags to match the xrandr definitions. Any66 * changes that don't match the xrandr definitions will67 * likely need a new client cap or some other mechanism68 * to avoid breaking existing userspace. This includes69 * allocating new flags in the previously unused bits!70 */71#define DRM_MODE_FLAG_PHSYNC (1<<0)72#define DRM_MODE_FLAG_NHSYNC (1<<1)73#define DRM_MODE_FLAG_PVSYNC (1<<2)74#define DRM_MODE_FLAG_NVSYNC (1<<3)75#define DRM_MODE_FLAG_INTERLACE (1<<4)76#define DRM_MODE_FLAG_DBLSCAN (1<<5)77#define DRM_MODE_FLAG_CSYNC (1<<6)78#define DRM_MODE_FLAG_PCSYNC (1<<7)79#define DRM_MODE_FLAG_NCSYNC (1<<8)80#define DRM_MODE_FLAG_HSKEW (1<<9) /* hskew provided */81#define DRM_MODE_FLAG_BCAST (1<<10) /* deprecated */82#define DRM_MODE_FLAG_PIXMUX (1<<11) /* deprecated */83#define DRM_MODE_FLAG_DBLCLK (1<<12)84#define DRM_MODE_FLAG_CLKDIV2 (1<<13)85 /*86 * When adding a new stereo mode don't forget to adjust DRM_MODE_FLAGS_3D_MAX87 * (define not exposed to user space).88 */89#define DRM_MODE_FLAG_3D_MASK (0x1f<<14)90#define DRM_MODE_FLAG_3D_NONE (0<<14)91#define DRM_MODE_FLAG_3D_FRAME_PACKING (1<<14)92#define DRM_MODE_FLAG_3D_FIELD_ALTERNATIVE (2<<14)93#define DRM_MODE_FLAG_3D_LINE_ALTERNATIVE (3<<14)94#define DRM_MODE_FLAG_3D_SIDE_BY_SIDE_FULL (4<<14)95#define DRM_MODE_FLAG_3D_L_DEPTH (5<<14)96#define DRM_MODE_FLAG_3D_L_DEPTH_GFX_GFX_DEPTH (6<<14)97#define DRM_MODE_FLAG_3D_TOP_AND_BOTTOM (7<<14)98#define DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF (8<<14)99 100/* Picture aspect ratio options */101#define DRM_MODE_PICTURE_ASPECT_NONE 0102#define DRM_MODE_PICTURE_ASPECT_4_3 1103#define DRM_MODE_PICTURE_ASPECT_16_9 2104#define DRM_MODE_PICTURE_ASPECT_64_27 3105#define DRM_MODE_PICTURE_ASPECT_256_135 4106 107/* Content type options */108#define DRM_MODE_CONTENT_TYPE_NO_DATA 0109#define DRM_MODE_CONTENT_TYPE_GRAPHICS 1110#define DRM_MODE_CONTENT_TYPE_PHOTO 2111#define DRM_MODE_CONTENT_TYPE_CINEMA 3112#define DRM_MODE_CONTENT_TYPE_GAME 4113 114/* Aspect ratio flag bitmask (4 bits 22:19) */115#define DRM_MODE_FLAG_PIC_AR_MASK (0x0F<<19)116#define DRM_MODE_FLAG_PIC_AR_NONE \117 (DRM_MODE_PICTURE_ASPECT_NONE<<19)118#define DRM_MODE_FLAG_PIC_AR_4_3 \119 (DRM_MODE_PICTURE_ASPECT_4_3<<19)120#define DRM_MODE_FLAG_PIC_AR_16_9 \121 (DRM_MODE_PICTURE_ASPECT_16_9<<19)122#define DRM_MODE_FLAG_PIC_AR_64_27 \123 (DRM_MODE_PICTURE_ASPECT_64_27<<19)124#define DRM_MODE_FLAG_PIC_AR_256_135 \125 (DRM_MODE_PICTURE_ASPECT_256_135<<19)126 127#define DRM_MODE_FLAG_ALL (DRM_MODE_FLAG_PHSYNC | \128 DRM_MODE_FLAG_NHSYNC | \129 DRM_MODE_FLAG_PVSYNC | \130 DRM_MODE_FLAG_NVSYNC | \131 DRM_MODE_FLAG_INTERLACE | \132 DRM_MODE_FLAG_DBLSCAN | \133 DRM_MODE_FLAG_CSYNC | \134 DRM_MODE_FLAG_PCSYNC | \135 DRM_MODE_FLAG_NCSYNC | \136 DRM_MODE_FLAG_HSKEW | \137 DRM_MODE_FLAG_DBLCLK | \138 DRM_MODE_FLAG_CLKDIV2 | \139 DRM_MODE_FLAG_3D_MASK)140 141/* DPMS flags */142/* bit compatible with the xorg definitions. */143#define DRM_MODE_DPMS_ON 0144#define DRM_MODE_DPMS_STANDBY 1145#define DRM_MODE_DPMS_SUSPEND 2146#define DRM_MODE_DPMS_OFF 3147 148/* Scaling mode options */149#define DRM_MODE_SCALE_NONE 0 /* Unmodified timing (display or150 software can still scale) */151#define DRM_MODE_SCALE_FULLSCREEN 1 /* Full screen, ignore aspect */152#define DRM_MODE_SCALE_CENTER 2 /* Centered, no scaling */153#define DRM_MODE_SCALE_ASPECT 3 /* Full screen, preserve aspect */154 155/* Dithering mode options */156#define DRM_MODE_DITHERING_OFF 0157#define DRM_MODE_DITHERING_ON 1158#define DRM_MODE_DITHERING_AUTO 2159 160/* Dirty info options */161#define DRM_MODE_DIRTY_OFF 0162#define DRM_MODE_DIRTY_ON 1163#define DRM_MODE_DIRTY_ANNOTATE 2164 165/* Link Status options */166#define DRM_MODE_LINK_STATUS_GOOD 0167#define DRM_MODE_LINK_STATUS_BAD 1168 169/*170 * DRM_MODE_ROTATE_<degrees>171 *172 * Signals that a drm plane is been rotated <degrees> degrees in counter173 * clockwise direction.174 *175 * This define is provided as a convenience, looking up the property id176 * using the name->prop id lookup is the preferred method.177 */178#define DRM_MODE_ROTATE_0 (1<<0)179#define DRM_MODE_ROTATE_90 (1<<1)180#define DRM_MODE_ROTATE_180 (1<<2)181#define DRM_MODE_ROTATE_270 (1<<3)182 183/*184 * DRM_MODE_ROTATE_MASK185 *186 * Bitmask used to look for drm plane rotations.187 */188#define DRM_MODE_ROTATE_MASK (\189 DRM_MODE_ROTATE_0 | \190 DRM_MODE_ROTATE_90 | \191 DRM_MODE_ROTATE_180 | \192 DRM_MODE_ROTATE_270)193 194/*195 * DRM_MODE_REFLECT_<axis>196 *197 * Signals that the contents of a drm plane is reflected along the <axis> axis,198 * in the same way as mirroring.199 * See kerneldoc chapter "Plane Composition Properties" for more details.200 *201 * This define is provided as a convenience, looking up the property id202 * using the name->prop id lookup is the preferred method.203 */204#define DRM_MODE_REFLECT_X (1<<4)205#define DRM_MODE_REFLECT_Y (1<<5)206 207/*208 * DRM_MODE_REFLECT_MASK209 *210 * Bitmask used to look for drm plane reflections.211 */212#define DRM_MODE_REFLECT_MASK (\213 DRM_MODE_REFLECT_X | \214 DRM_MODE_REFLECT_Y)215 216/* Content Protection Flags */217#define DRM_MODE_CONTENT_PROTECTION_UNDESIRED 0218#define DRM_MODE_CONTENT_PROTECTION_DESIRED 1219#define DRM_MODE_CONTENT_PROTECTION_ENABLED 2220 221/**222 * struct drm_mode_modeinfo - Display mode information.223 * @clock: pixel clock in kHz224 * @hdisplay: horizontal display size225 * @hsync_start: horizontal sync start226 * @hsync_end: horizontal sync end227 * @htotal: horizontal total size228 * @hskew: horizontal skew229 * @vdisplay: vertical display size230 * @vsync_start: vertical sync start231 * @vsync_end: vertical sync end232 * @vtotal: vertical total size233 * @vscan: vertical scan234 * @vrefresh: approximate vertical refresh rate in Hz235 * @flags: bitmask of misc. flags, see DRM_MODE_FLAG_* defines236 * @type: bitmask of type flags, see DRM_MODE_TYPE_* defines237 * @name: string describing the mode resolution238 *239 * This is the user-space API display mode information structure. For the240 * kernel version see struct drm_display_mode.241 */242struct drm_mode_modeinfo {243 __u32 clock;244 __u16 hdisplay;245 __u16 hsync_start;246 __u16 hsync_end;247 __u16 htotal;248 __u16 hskew;249 __u16 vdisplay;250 __u16 vsync_start;251 __u16 vsync_end;252 __u16 vtotal;253 __u16 vscan;254 255 __u32 vrefresh;256 257 __u32 flags;258 __u32 type;259 char name[DRM_DISPLAY_MODE_LEN];260};261 262struct drm_mode_card_res {263 __u64 fb_id_ptr;264 __u64 crtc_id_ptr;265 __u64 connector_id_ptr;266 __u64 encoder_id_ptr;267 __u32 count_fbs;268 __u32 count_crtcs;269 __u32 count_connectors;270 __u32 count_encoders;271 __u32 min_width;272 __u32 max_width;273 __u32 min_height;274 __u32 max_height;275};276 277struct drm_mode_crtc {278 __u64 set_connectors_ptr;279 __u32 count_connectors;280 281 __u32 crtc_id; /**< Id */282 __u32 fb_id; /**< Id of framebuffer */283 284 __u32 x; /**< x Position on the framebuffer */285 __u32 y; /**< y Position on the framebuffer */286 287 __u32 gamma_size;288 __u32 mode_valid;289 struct drm_mode_modeinfo mode;290};291 292#define DRM_MODE_PRESENT_TOP_FIELD (1<<0)293#define DRM_MODE_PRESENT_BOTTOM_FIELD (1<<1)294 295/* Planes blend with or override other bits on the CRTC */296struct drm_mode_set_plane {297 __u32 plane_id;298 __u32 crtc_id;299 __u32 fb_id; /* fb object contains surface format type */300 __u32 flags; /* see above flags */301 302 /* Signed dest location allows it to be partially off screen */303 __s32 crtc_x;304 __s32 crtc_y;305 __u32 crtc_w;306 __u32 crtc_h;307 308 /* Source values are 16.16 fixed point */309 __u32 src_x;310 __u32 src_y;311 __u32 src_h;312 __u32 src_w;313};314 315/**316 * struct drm_mode_get_plane - Get plane metadata.317 *318 * Userspace can perform a GETPLANE ioctl to retrieve information about a319 * plane.320 *321 * To retrieve the number of formats supported, set @count_format_types to zero322 * and call the ioctl. @count_format_types will be updated with the value.323 *324 * To retrieve these formats, allocate an array with the memory needed to store325 * @count_format_types formats. Point @format_type_ptr to this array and call326 * the ioctl again (with @count_format_types still set to the value returned in327 * the first ioctl call).328 */329struct drm_mode_get_plane {330 /**331 * @plane_id: Object ID of the plane whose information should be332 * retrieved. Set by caller.333 */334 __u32 plane_id;335 336 /** @crtc_id: Object ID of the current CRTC. */337 __u32 crtc_id;338 /** @fb_id: Object ID of the current fb. */339 __u32 fb_id;340 341 /**342 * @possible_crtcs: Bitmask of CRTC's compatible with the plane. CRTC's343 * are created and they receive an index, which corresponds to their344 * position in the bitmask. Bit N corresponds to345 * :ref:`CRTC index<crtc_index>` N.346 */347 __u32 possible_crtcs;348 /** @gamma_size: Never used. */349 __u32 gamma_size;350 351 /** @count_format_types: Number of formats. */352 __u32 count_format_types;353 /**354 * @format_type_ptr: Pointer to ``__u32`` array of formats that are355 * supported by the plane. These formats do not require modifiers.356 */357 __u64 format_type_ptr;358};359 360struct drm_mode_get_plane_res {361 __u64 plane_id_ptr;362 __u32 count_planes;363};364 365#define DRM_MODE_ENCODER_NONE 0366#define DRM_MODE_ENCODER_DAC 1367#define DRM_MODE_ENCODER_TMDS 2368#define DRM_MODE_ENCODER_LVDS 3369#define DRM_MODE_ENCODER_TVDAC 4370#define DRM_MODE_ENCODER_VIRTUAL 5371#define DRM_MODE_ENCODER_DSI 6372#define DRM_MODE_ENCODER_DPMST 7373#define DRM_MODE_ENCODER_DPI 8374 375struct drm_mode_get_encoder {376 __u32 encoder_id;377 __u32 encoder_type;378 379 __u32 crtc_id; /**< Id of crtc */380 381 __u32 possible_crtcs;382 __u32 possible_clones;383};384 385/* This is for connectors with multiple signal types. */386/* Try to match DRM_MODE_CONNECTOR_X as closely as possible. */387enum drm_mode_subconnector {388 DRM_MODE_SUBCONNECTOR_Automatic = 0, /* DVI-I, TV */389 DRM_MODE_SUBCONNECTOR_Unknown = 0, /* DVI-I, TV, DP */390 DRM_MODE_SUBCONNECTOR_VGA = 1, /* DP */391 DRM_MODE_SUBCONNECTOR_DVID = 3, /* DVI-I DP */392 DRM_MODE_SUBCONNECTOR_DVIA = 4, /* DVI-I */393 DRM_MODE_SUBCONNECTOR_Composite = 5, /* TV */394 DRM_MODE_SUBCONNECTOR_SVIDEO = 6, /* TV */395 DRM_MODE_SUBCONNECTOR_Component = 8, /* TV */396 DRM_MODE_SUBCONNECTOR_SCART = 9, /* TV */397 DRM_MODE_SUBCONNECTOR_DisplayPort = 10, /* DP */398 DRM_MODE_SUBCONNECTOR_HDMIA = 11, /* DP */399 DRM_MODE_SUBCONNECTOR_Native = 15, /* DP */400 DRM_MODE_SUBCONNECTOR_Wireless = 18, /* DP */401};402 403#define DRM_MODE_CONNECTOR_Unknown 0404#define DRM_MODE_CONNECTOR_VGA 1405#define DRM_MODE_CONNECTOR_DVII 2406#define DRM_MODE_CONNECTOR_DVID 3407#define DRM_MODE_CONNECTOR_DVIA 4408#define DRM_MODE_CONNECTOR_Composite 5409#define DRM_MODE_CONNECTOR_SVIDEO 6410#define DRM_MODE_CONNECTOR_LVDS 7411#define DRM_MODE_CONNECTOR_Component 8412#define DRM_MODE_CONNECTOR_9PinDIN 9413#define DRM_MODE_CONNECTOR_DisplayPort 10414#define DRM_MODE_CONNECTOR_HDMIA 11415#define DRM_MODE_CONNECTOR_HDMIB 12416#define DRM_MODE_CONNECTOR_TV 13417#define DRM_MODE_CONNECTOR_eDP 14418#define DRM_MODE_CONNECTOR_VIRTUAL 15419#define DRM_MODE_CONNECTOR_DSI 16420#define DRM_MODE_CONNECTOR_DPI 17421#define DRM_MODE_CONNECTOR_WRITEBACK 18422#define DRM_MODE_CONNECTOR_SPI 19423#define DRM_MODE_CONNECTOR_USB 20424 425/**426 * struct drm_mode_get_connector - Get connector metadata.427 *428 * User-space can perform a GETCONNECTOR ioctl to retrieve information about a429 * connector. User-space is expected to retrieve encoders, modes and properties430 * by performing this ioctl at least twice: the first time to retrieve the431 * number of elements, the second time to retrieve the elements themselves.432 *433 * To retrieve the number of elements, set @count_props and @count_encoders to434 * zero, set @count_modes to 1, and set @modes_ptr to a temporary struct435 * drm_mode_modeinfo element.436 *437 * To retrieve the elements, allocate arrays for @encoders_ptr, @modes_ptr,438 * @props_ptr and @prop_values_ptr, then set @count_modes, @count_props and439 * @count_encoders to their capacity.440 *441 * Performing the ioctl only twice may be racy: the number of elements may have442 * changed with a hotplug event in-between the two ioctls. User-space is443 * expected to retry the last ioctl until the number of elements stabilizes.444 * The kernel won't fill any array which doesn't have the expected length.445 *446 * **Force-probing a connector**447 *448 * If the @count_modes field is set to zero and the DRM client is the current449 * DRM master, the kernel will perform a forced probe on the connector to450 * refresh the connector status, modes and EDID. A forced-probe can be slow,451 * might cause flickering and the ioctl will block.452 *453 * User-space needs to force-probe connectors to ensure their metadata is454 * up-to-date at startup and after receiving a hot-plug event. User-space455 * may perform a forced-probe when the user explicitly requests it. User-space456 * shouldn't perform a forced-probe in other situations.457 */458struct drm_mode_get_connector {459 /** @encoders_ptr: Pointer to ``__u32`` array of object IDs. */460 __u64 encoders_ptr;461 /** @modes_ptr: Pointer to struct drm_mode_modeinfo array. */462 __u64 modes_ptr;463 /** @props_ptr: Pointer to ``__u32`` array of property IDs. */464 __u64 props_ptr;465 /** @prop_values_ptr: Pointer to ``__u64`` array of property values. */466 __u64 prop_values_ptr;467 468 /** @count_modes: Number of modes. */469 __u32 count_modes;470 /** @count_props: Number of properties. */471 __u32 count_props;472 /** @count_encoders: Number of encoders. */473 __u32 count_encoders;474 475 /** @encoder_id: Object ID of the current encoder. */476 __u32 encoder_id;477 /** @connector_id: Object ID of the connector. */478 __u32 connector_id;479 /**480 * @connector_type: Type of the connector.481 *482 * See DRM_MODE_CONNECTOR_* defines.483 */484 __u32 connector_type;485 /**486 * @connector_type_id: Type-specific connector number.487 *488 * This is not an object ID. This is a per-type connector number. Each489 * (type, type_id) combination is unique across all connectors of a DRM490 * device.491 *492 * The (type, type_id) combination is not a stable identifier: the493 * type_id can change depending on the driver probe order.494 */495 __u32 connector_type_id;496 497 /**498 * @connection: Status of the connector.499 *500 * See enum drm_connector_status.501 */502 __u32 connection;503 /** @mm_width: Width of the connected sink in millimeters. */504 __u32 mm_width;505 /** @mm_height: Height of the connected sink in millimeters. */506 __u32 mm_height;507 /**508 * @subpixel: Subpixel order of the connected sink.509 *510 * See enum subpixel_order.511 */512 __u32 subpixel;513 514 /** @pad: Padding, must be zero. */515 __u32 pad;516};517 518#define DRM_MODE_PROP_PENDING (1<<0) /* deprecated, do not use */519#define DRM_MODE_PROP_RANGE (1<<1)520#define DRM_MODE_PROP_IMMUTABLE (1<<2)521#define DRM_MODE_PROP_ENUM (1<<3) /* enumerated type with text strings */522#define DRM_MODE_PROP_BLOB (1<<4)523#define DRM_MODE_PROP_BITMASK (1<<5) /* bitmask of enumerated types */524 525/* non-extended types: legacy bitmask, one bit per type: */526#define DRM_MODE_PROP_LEGACY_TYPE ( \527 DRM_MODE_PROP_RANGE | \528 DRM_MODE_PROP_ENUM | \529 DRM_MODE_PROP_BLOB | \530 DRM_MODE_PROP_BITMASK)531 532/* extended-types: rather than continue to consume a bit per type,533 * grab a chunk of the bits to use as integer type id.534 */535#define DRM_MODE_PROP_EXTENDED_TYPE 0x0000ffc0536#define DRM_MODE_PROP_TYPE(n) ((n) << 6)537#define DRM_MODE_PROP_OBJECT DRM_MODE_PROP_TYPE(1)538#define DRM_MODE_PROP_SIGNED_RANGE DRM_MODE_PROP_TYPE(2)539 540/* the PROP_ATOMIC flag is used to hide properties from userspace that541 * is not aware of atomic properties. This is mostly to work around542 * older userspace (DDX drivers) that read/write each prop they find,543 * without being aware that this could be triggering a lengthy modeset.544 */545#define DRM_MODE_PROP_ATOMIC 0x80000000546 547/**548 * struct drm_mode_property_enum - Description for an enum/bitfield entry.549 * @value: numeric value for this enum entry.550 * @name: symbolic name for this enum entry.551 *552 * See struct drm_property_enum for details.553 */554struct drm_mode_property_enum {555 __u64 value;556 char name[DRM_PROP_NAME_LEN];557};558 559/**560 * struct drm_mode_get_property - Get property metadata.561 *562 * User-space can perform a GETPROPERTY ioctl to retrieve information about a563 * property. The same property may be attached to multiple objects, see564 * "Modeset Base Object Abstraction".565 *566 * The meaning of the @values_ptr field changes depending on the property type.567 * See &drm_property.flags for more details.568 *569 * The @enum_blob_ptr and @count_enum_blobs fields are only meaningful when the570 * property has the type &DRM_MODE_PROP_ENUM or &DRM_MODE_PROP_BITMASK. For571 * backwards compatibility, the kernel will always set @count_enum_blobs to572 * zero when the property has the type &DRM_MODE_PROP_BLOB. User-space must573 * ignore these two fields if the property has a different type.574 *575 * User-space is expected to retrieve values and enums by performing this ioctl576 * at least twice: the first time to retrieve the number of elements, the577 * second time to retrieve the elements themselves.578 *579 * To retrieve the number of elements, set @count_values and @count_enum_blobs580 * to zero, then call the ioctl. @count_values will be updated with the number581 * of elements. If the property has the type &DRM_MODE_PROP_ENUM or582 * &DRM_MODE_PROP_BITMASK, @count_enum_blobs will be updated as well.583 *584 * To retrieve the elements themselves, allocate an array for @values_ptr and585 * set @count_values to its capacity. If the property has the type586 * &DRM_MODE_PROP_ENUM or &DRM_MODE_PROP_BITMASK, allocate an array for587 * @enum_blob_ptr and set @count_enum_blobs to its capacity. Calling the ioctl588 * again will fill the arrays.589 */590struct drm_mode_get_property {591 /** @values_ptr: Pointer to a ``__u64`` array. */592 __u64 values_ptr;593 /** @enum_blob_ptr: Pointer to a struct drm_mode_property_enum array. */594 __u64 enum_blob_ptr;595 596 /**597 * @prop_id: Object ID of the property which should be retrieved. Set598 * by the caller.599 */600 __u32 prop_id;601 /**602 * @flags: ``DRM_MODE_PROP_*`` bitfield. See &drm_property.flags for603 * a definition of the flags.604 */605 __u32 flags;606 /**607 * @name: Symbolic property name. User-space should use this field to608 * recognize properties.609 */610 char name[DRM_PROP_NAME_LEN];611 612 /** @count_values: Number of elements in @values_ptr. */613 __u32 count_values;614 /** @count_enum_blobs: Number of elements in @enum_blob_ptr. */615 __u32 count_enum_blobs;616};617 618struct drm_mode_connector_set_property {619 __u64 value;620 __u32 prop_id;621 __u32 connector_id;622};623 624#define DRM_MODE_OBJECT_CRTC 0xcccccccc625#define DRM_MODE_OBJECT_CONNECTOR 0xc0c0c0c0626#define DRM_MODE_OBJECT_ENCODER 0xe0e0e0e0627#define DRM_MODE_OBJECT_MODE 0xdededede628#define DRM_MODE_OBJECT_PROPERTY 0xb0b0b0b0629#define DRM_MODE_OBJECT_FB 0xfbfbfbfb630#define DRM_MODE_OBJECT_BLOB 0xbbbbbbbb631#define DRM_MODE_OBJECT_PLANE 0xeeeeeeee632#define DRM_MODE_OBJECT_ANY 0633 634struct drm_mode_obj_get_properties {635 __u64 props_ptr;636 __u64 prop_values_ptr;637 __u32 count_props;638 __u32 obj_id;639 __u32 obj_type;640};641 642struct drm_mode_obj_set_property {643 __u64 value;644 __u32 prop_id;645 __u32 obj_id;646 __u32 obj_type;647};648 649struct drm_mode_get_blob {650 __u32 blob_id;651 __u32 length;652 __u64 data;653};654 655struct drm_mode_fb_cmd {656 __u32 fb_id;657 __u32 width;658 __u32 height;659 __u32 pitch;660 __u32 bpp;661 __u32 depth;662 /* driver specific handle */663 __u32 handle;664};665 666#define DRM_MODE_FB_INTERLACED (1<<0) /* for interlaced framebuffers */667#define DRM_MODE_FB_MODIFIERS (1<<1) /* enables ->modifier[] */668 669/**670 * struct drm_mode_fb_cmd2 - Frame-buffer metadata.671 *672 * This struct holds frame-buffer metadata. There are two ways to use it:673 *674 * - User-space can fill this struct and perform a &DRM_IOCTL_MODE_ADDFB2675 * ioctl to register a new frame-buffer. The new frame-buffer object ID will676 * be set by the kernel in @fb_id.677 * - User-space can set @fb_id and perform a &DRM_IOCTL_MODE_GETFB2 ioctl to678 * fetch metadata about an existing frame-buffer.679 *680 * In case of planar formats, this struct allows up to 4 buffer objects with681 * offsets and pitches per plane. The pitch and offset order are dictated by682 * the format FourCC as defined by ``drm_fourcc.h``, e.g. NV12 is described as:683 *684 * YUV 4:2:0 image with a plane of 8-bit Y samples followed by an685 * interleaved U/V plane containing 8-bit 2x2 subsampled colour difference686 * samples.687 *688 * So it would consist of a Y plane at ``offsets[0]`` and a UV plane at689 * ``offsets[1]``.690 *691 * To accommodate tiled, compressed, etc formats, a modifier can be specified.692 * For more information see the "Format Modifiers" section. Note that even693 * though it looks like we have a modifier per-plane, we in fact do not. The694 * modifier for each plane must be identical. Thus all combinations of695 * different data layouts for multi-plane formats must be enumerated as696 * separate modifiers.697 *698 * All of the entries in @handles, @pitches, @offsets and @modifier must be699 * zero when unused. Warning, for @offsets and @modifier zero can't be used to700 * figure out whether the entry is used or not since it's a valid value (a zero701 * offset is common, and a zero modifier is &DRM_FORMAT_MOD_LINEAR).702 */703struct drm_mode_fb_cmd2 {704 /** @fb_id: Object ID of the frame-buffer. */705 __u32 fb_id;706 /** @width: Width of the frame-buffer. */707 __u32 width;708 /** @height: Height of the frame-buffer. */709 __u32 height;710 /**711 * @pixel_format: FourCC format code, see ``DRM_FORMAT_*`` constants in712 * ``drm_fourcc.h``.713 */714 __u32 pixel_format;715 /**716 * @flags: Frame-buffer flags (see &DRM_MODE_FB_INTERLACED and717 * &DRM_MODE_FB_MODIFIERS).718 */719 __u32 flags;720 721 /**722 * @handles: GEM buffer handle, one per plane. Set to 0 if the plane is723 * unused. The same handle can be used for multiple planes.724 */725 __u32 handles[4];726 /** @pitches: Pitch (aka. stride) in bytes, one per plane. */727 __u32 pitches[4];728 /** @offsets: Offset into the buffer in bytes, one per plane. */729 __u32 offsets[4];730 /**731 * @modifier: Format modifier, one per plane. See ``DRM_FORMAT_MOD_*``732 * constants in ``drm_fourcc.h``. All planes must use the same733 * modifier. Ignored unless &DRM_MODE_FB_MODIFIERS is set in @flags.734 */735 __u64 modifier[4];736};737 738#define DRM_MODE_FB_DIRTY_ANNOTATE_COPY 0x01739#define DRM_MODE_FB_DIRTY_ANNOTATE_FILL 0x02740#define DRM_MODE_FB_DIRTY_FLAGS 0x03741 742#define DRM_MODE_FB_DIRTY_MAX_CLIPS 256743 744/*745 * Mark a region of a framebuffer as dirty.746 *747 * Some hardware does not automatically update display contents748 * as a hardware or software draw to a framebuffer. This ioctl749 * allows userspace to tell the kernel and the hardware what750 * regions of the framebuffer have changed.751 *752 * The kernel or hardware is free to update more then just the753 * region specified by the clip rects. The kernel or hardware754 * may also delay and/or coalesce several calls to dirty into a755 * single update.756 *757 * Userspace may annotate the updates, the annotates are a758 * promise made by the caller that the change is either a copy759 * of pixels or a fill of a single color in the region specified.760 *761 * If the DRM_MODE_FB_DIRTY_ANNOTATE_COPY flag is given then762 * the number of updated regions are half of num_clips given,763 * where the clip rects are paired in src and dst. The width and764 * height of each one of the pairs must match.765 *766 * If the DRM_MODE_FB_DIRTY_ANNOTATE_FILL flag is given the caller767 * promises that the region specified of the clip rects is filled768 * completely with a single color as given in the color argument.769 */770 771struct drm_mode_fb_dirty_cmd {772 __u32 fb_id;773 __u32 flags;774 __u32 color;775 __u32 num_clips;776 __u64 clips_ptr;777};778 779struct drm_mode_mode_cmd {780 __u32 connector_id;781 struct drm_mode_modeinfo mode;782};783 784#define DRM_MODE_CURSOR_BO 0x01785#define DRM_MODE_CURSOR_MOVE 0x02786#define DRM_MODE_CURSOR_FLAGS 0x03787 788/*789 * depending on the value in flags different members are used.790 *791 * CURSOR_BO uses792 * crtc_id793 * width794 * height795 * handle - if 0 turns the cursor off796 *797 * CURSOR_MOVE uses798 * crtc_id799 * x800 * y801 */802struct drm_mode_cursor {803 __u32 flags;804 __u32 crtc_id;805 __s32 x;806 __s32 y;807 __u32 width;808 __u32 height;809 /* driver specific handle */810 __u32 handle;811};812 813struct drm_mode_cursor2 {814 __u32 flags;815 __u32 crtc_id;816 __s32 x;817 __s32 y;818 __u32 width;819 __u32 height;820 /* driver specific handle */821 __u32 handle;822 __s32 hot_x;823 __s32 hot_y;824};825 826struct drm_mode_crtc_lut {827 __u32 crtc_id;828 __u32 gamma_size;829 830 /* pointers to arrays */831 __u64 red;832 __u64 green;833 __u64 blue;834};835 836struct drm_color_ctm {837 /*838 * Conversion matrix in S31.32 sign-magnitude839 * (not two's complement!) format.840 *841 * out matrix in842 * |R| |0 1 2| |R|843 * |G| = |3 4 5| x |G|844 * |B| |6 7 8| |B|845 */846 __u64 matrix[9];847};848 849struct drm_color_lut {850 /*851 * Values are mapped linearly to 0.0 - 1.0 range, with 0x0 == 0.0 and852 * 0xffff == 1.0.853 */854 __u16 red;855 __u16 green;856 __u16 blue;857 __u16 reserved;858};859 860/**861 * struct drm_plane_size_hint - Plane size hints862 * @width: The width of the plane in pixel863 * @height: The height of the plane in pixel864 *865 * The plane SIZE_HINTS property blob contains an866 * array of struct drm_plane_size_hint.867 */868struct drm_plane_size_hint {869 __u16 width;870 __u16 height;871};872 873/**874 * struct hdr_metadata_infoframe - HDR Metadata Infoframe Data.875 *876 * HDR Metadata Infoframe as per CTA 861.G spec. This is expected877 * to match exactly with the spec.878 *879 * Userspace is expected to pass the metadata information as per880 * the format described in this structure.881 */882struct hdr_metadata_infoframe {883 /**884 * @eotf: Electro-Optical Transfer Function (EOTF)885 * used in the stream.886 */887 __u8 eotf;888 /**889 * @metadata_type: Static_Metadata_Descriptor_ID.890 */891 __u8 metadata_type;892 /**893 * @display_primaries: Color Primaries of the Data.894 * These are coded as unsigned 16-bit values in units of895 * 0.00002, where 0x0000 represents zero and 0xC350896 * represents 1.0000.897 * @display_primaries.x: X coordinate of color primary.898 * @display_primaries.y: Y coordinate of color primary.899 */900 struct {901 __u16 x, y;902 } display_primaries[3];903 /**904 * @white_point: White Point of Colorspace Data.905 * These are coded as unsigned 16-bit values in units of906 * 0.00002, where 0x0000 represents zero and 0xC350907 * represents 1.0000.908 * @white_point.x: X coordinate of whitepoint of color primary.909 * @white_point.y: Y coordinate of whitepoint of color primary.910 */911 struct {912 __u16 x, y;913 } white_point;914 /**915 * @max_display_mastering_luminance: Max Mastering Display Luminance.916 * This value is coded as an unsigned 16-bit value in units of 1 cd/m2,917 * where 0x0001 represents 1 cd/m2 and 0xFFFF represents 65535 cd/m2.918 */919 __u16 max_display_mastering_luminance;920 /**921 * @min_display_mastering_luminance: Min Mastering Display Luminance.922 * This value is coded as an unsigned 16-bit value in units of923 * 0.0001 cd/m2, where 0x0001 represents 0.0001 cd/m2 and 0xFFFF924 * represents 6.5535 cd/m2.925 */926 __u16 min_display_mastering_luminance;927 /**928 * @max_cll: Max Content Light Level.929 * This value is coded as an unsigned 16-bit value in units of 1 cd/m2,930 * where 0x0001 represents 1 cd/m2 and 0xFFFF represents 65535 cd/m2.931 */932 __u16 max_cll;933 /**934 * @max_fall: Max Frame Average Light Level.935 * This value is coded as an unsigned 16-bit value in units of 1 cd/m2,936 * where 0x0001 represents 1 cd/m2 and 0xFFFF represents 65535 cd/m2.937 */938 __u16 max_fall;939};940 941/**942 * struct hdr_output_metadata - HDR output metadata943 *944 * Metadata Information to be passed from userspace945 */946struct hdr_output_metadata {947 /**948 * @metadata_type: Static_Metadata_Descriptor_ID.949 */950 __u32 metadata_type;951 /**952 * @hdmi_metadata_type1: HDR Metadata Infoframe.953 */954 union {955 struct hdr_metadata_infoframe hdmi_metadata_type1;956 };957};958 959/**960 * DRM_MODE_PAGE_FLIP_EVENT961 *962 * Request that the kernel sends back a vblank event (see963 * struct drm_event_vblank) with the &DRM_EVENT_FLIP_COMPLETE type when the964 * page-flip is done.965 */966#define DRM_MODE_PAGE_FLIP_EVENT 0x01967/**968 * DRM_MODE_PAGE_FLIP_ASYNC969 *970 * Request that the page-flip is performed as soon as possible, ie. with no971 * delay due to waiting for vblank. This may cause tearing to be visible on972 * the screen.973 *974 * When used with atomic uAPI, the driver will return an error if the hardware975 * doesn't support performing an asynchronous page-flip for this update.976 * User-space should handle this, e.g. by falling back to a regular page-flip.977 *978 * Note, some hardware might need to perform one last synchronous page-flip979 * before being able to switch to asynchronous page-flips. As an exception,980 * the driver will return success even though that first page-flip is not981 * asynchronous.982 */983#define DRM_MODE_PAGE_FLIP_ASYNC 0x02984#define DRM_MODE_PAGE_FLIP_TARGET_ABSOLUTE 0x4985#define DRM_MODE_PAGE_FLIP_TARGET_RELATIVE 0x8986#define DRM_MODE_PAGE_FLIP_TARGET (DRM_MODE_PAGE_FLIP_TARGET_ABSOLUTE | \987 DRM_MODE_PAGE_FLIP_TARGET_RELATIVE)988/**989 * DRM_MODE_PAGE_FLIP_FLAGS990 *991 * Bitmask of flags suitable for &drm_mode_crtc_page_flip_target.flags.992 */993#define DRM_MODE_PAGE_FLIP_FLAGS (DRM_MODE_PAGE_FLIP_EVENT | \994 DRM_MODE_PAGE_FLIP_ASYNC | \995 DRM_MODE_PAGE_FLIP_TARGET)996 997/*998 * Request a page flip on the specified crtc.999 *1000 * This ioctl will ask KMS to schedule a page flip for the specified1001 * crtc. Once any pending rendering targeting the specified fb (as of1002 * ioctl time) has completed, the crtc will be reprogrammed to display1003 * that fb after the next vertical refresh. The ioctl returns1004 * immediately, but subsequent rendering to the current fb will block1005 * in the execbuffer ioctl until the page flip happens. If a page1006 * flip is already pending as the ioctl is called, EBUSY will be1007 * returned.1008 *1009 * Flag DRM_MODE_PAGE_FLIP_EVENT requests that drm sends back a vblank1010 * event (see drm.h: struct drm_event_vblank) when the page flip is1011 * done. The user_data field passed in with this ioctl will be1012 * returned as the user_data field in the vblank event struct.1013 *1014 * Flag DRM_MODE_PAGE_FLIP_ASYNC requests that the flip happen1015 * 'as soon as possible', meaning that it not delay waiting for vblank.1016 * This may cause tearing on the screen.1017 *1018 * The reserved field must be zero.1019 */1020 1021struct drm_mode_crtc_page_flip {1022 __u32 crtc_id;1023 __u32 fb_id;1024 __u32 flags;1025 __u32 reserved;1026 __u64 user_data;1027};1028 1029/*1030 * Request a page flip on the specified crtc.1031 *1032 * Same as struct drm_mode_crtc_page_flip, but supports new flags and1033 * re-purposes the reserved field:1034 *1035 * The sequence field must be zero unless either of the1036 * DRM_MODE_PAGE_FLIP_TARGET_ABSOLUTE/RELATIVE flags is specified. When1037 * the ABSOLUTE flag is specified, the sequence field denotes the absolute1038 * vblank sequence when the flip should take effect. When the RELATIVE1039 * flag is specified, the sequence field denotes the relative (to the1040 * current one when the ioctl is called) vblank sequence when the flip1041 * should take effect. NOTE: DRM_IOCTL_WAIT_VBLANK must still be used to1042 * make sure the vblank sequence before the target one has passed before1043 * calling this ioctl. The purpose of the1044 * DRM_MODE_PAGE_FLIP_TARGET_ABSOLUTE/RELATIVE flags is merely to clarify1045 * the target for when code dealing with a page flip runs during a1046 * vertical blank period.1047 */1048 1049struct drm_mode_crtc_page_flip_target {1050 __u32 crtc_id;1051 __u32 fb_id;1052 __u32 flags;1053 __u32 sequence;1054 __u64 user_data;1055};1056 1057/**1058 * struct drm_mode_create_dumb - Create a KMS dumb buffer for scanout.1059 * @height: buffer height in pixels1060 * @width: buffer width in pixels1061 * @bpp: bits per pixel1062 * @flags: must be zero1063 * @handle: buffer object handle1064 * @pitch: number of bytes between two consecutive lines1065 * @size: size of the whole buffer in bytes1066 *1067 * User-space fills @height, @width, @bpp and @flags. If the IOCTL succeeds,1068 * the kernel fills @handle, @pitch and @size.1069 */1070struct drm_mode_create_dumb {1071 __u32 height;1072 __u32 width;1073 __u32 bpp;1074 __u32 flags;1075 1076 __u32 handle;1077 __u32 pitch;1078 __u64 size;1079};1080 1081/* set up for mmap of a dumb scanout buffer */1082struct drm_mode_map_dumb {1083 /** Handle for the object being mapped. */1084 __u32 handle;1085 __u32 pad;1086 /**1087 * Fake offset to use for subsequent mmap call1088 *1089 * This is a fixed-size type for 32/64 compatibility.1090 */1091 __u64 offset;1092};1093 1094struct drm_mode_destroy_dumb {1095 __u32 handle;1096};1097 1098/**1099 * DRM_MODE_ATOMIC_TEST_ONLY1100 *1101 * Do not apply the atomic commit, instead check whether the hardware supports1102 * this configuration.1103 *1104 * See &drm_mode_config_funcs.atomic_check for more details on test-only1105 * commits.1106 */1107#define DRM_MODE_ATOMIC_TEST_ONLY 0x01001108/**1109 * DRM_MODE_ATOMIC_NONBLOCK1110 *1111 * Do not block while applying the atomic commit. The &DRM_IOCTL_MODE_ATOMIC1112 * IOCTL returns immediately instead of waiting for the changes to be applied1113 * in hardware. Note, the driver will still check that the update can be1114 * applied before retuning.1115 */1116#define DRM_MODE_ATOMIC_NONBLOCK 0x02001117/**1118 * DRM_MODE_ATOMIC_ALLOW_MODESET1119 *1120 * Allow the update to result in temporary or transient visible artifacts while1121 * the update is being applied. Applying the update may also take significantly1122 * more time than a page flip. All visual artifacts will disappear by the time1123 * the update is completed, as signalled through the vblank event's timestamp1124 * (see struct drm_event_vblank).1125 *1126 * This flag must be set when the KMS update might cause visible artifacts.1127 * Without this flag such KMS update will return a EINVAL error. What kind of1128 * update may cause visible artifacts depends on the driver and the hardware.1129 * User-space that needs to know beforehand if an update might cause visible1130 * artifacts can use &DRM_MODE_ATOMIC_TEST_ONLY without1131 * &DRM_MODE_ATOMIC_ALLOW_MODESET to see if it fails.1132 *1133 * To the best of the driver's knowledge, visual artifacts are guaranteed to1134 * not appear when this flag is not set. Some sinks might display visual1135 * artifacts outside of the driver's control.1136 */1137#define DRM_MODE_ATOMIC_ALLOW_MODESET 0x04001138 1139/**1140 * DRM_MODE_ATOMIC_FLAGS1141 *1142 * Bitfield of flags accepted by the &DRM_IOCTL_MODE_ATOMIC IOCTL in1143 * &drm_mode_atomic.flags.1144 */1145#define DRM_MODE_ATOMIC_FLAGS (\1146 DRM_MODE_PAGE_FLIP_EVENT |\1147 DRM_MODE_PAGE_FLIP_ASYNC |\1148 DRM_MODE_ATOMIC_TEST_ONLY |\1149 DRM_MODE_ATOMIC_NONBLOCK |\1150 DRM_MODE_ATOMIC_ALLOW_MODESET)1151 1152struct drm_mode_atomic {1153 __u32 flags;1154 __u32 count_objs;1155 __u64 objs_ptr;1156 __u64 count_props_ptr;1157 __u64 props_ptr;1158 __u64 prop_values_ptr;1159 __u64 reserved;1160 __u64 user_data;1161};1162 1163struct drm_format_modifier_blob {1164#define FORMAT_BLOB_CURRENT 11165 /* Version of this blob format */1166 __u32 version;1167 1168 /* Flags */1169 __u32 flags;1170 1171 /* Number of fourcc formats supported */1172 __u32 count_formats;1173 1174 /* Where in this blob the formats exist (in bytes) */1175 __u32 formats_offset;1176 1177 /* Number of drm_format_modifiers */1178 __u32 count_modifiers;1179 1180 /* Where in this blob the modifiers exist (in bytes) */1181 __u32 modifiers_offset;1182 1183 /* __u32 formats[] */1184 /* struct drm_format_modifier modifiers[] */1185};1186 1187struct drm_format_modifier {1188 /* Bitmask of formats in get_plane format list this info applies to. The1189 * offset allows a sliding window of which 64 formats (bits).1190 *1191 * Some examples:1192 * In today's world with < 65 formats, and formats 0, and 2 are1193 * supported1194 * 0x00000000000000051195 * ^-offset = 0, formats = 51196 *1197 * If the number formats grew to 128, and formats 98-102 are1198 * supported with the modifier:1199 *1200 * 0x0000007c00000000 00000000000000001201 * ^1202 * |__offset = 64, formats = 0x7c000000001203 *1204 */1205 __u64 formats;1206 __u32 offset;1207 __u32 pad;1208 1209 /* The modifier that applies to the >get_plane format list bitmask. */1210 __u64 modifier;1211};1212 1213/**1214 * struct drm_mode_create_blob - Create New blob property1215 *1216 * Create a new 'blob' data property, copying length bytes from data pointer,1217 * and returning new blob ID.1218 */1219struct drm_mode_create_blob {1220 /** @data: Pointer to data to copy. */1221 __u64 data;1222 /** @length: Length of data to copy. */1223 __u32 length;1224 /** @blob_id: Return: new property ID. */1225 __u32 blob_id;1226};1227 1228/**1229 * struct drm_mode_destroy_blob - Destroy user blob1230 * @blob_id: blob_id to destroy1231 *1232 * Destroy a user-created blob property.1233 *1234 * User-space can release blobs as soon as they do not need to refer to them by1235 * their blob object ID. For instance, if you are using a MODE_ID blob in an1236 * atomic commit and you will not make another commit re-using the same ID, you1237 * can destroy the blob as soon as the commit has been issued, without waiting1238 * for it to complete.1239 */1240struct drm_mode_destroy_blob {1241 __u32 blob_id;1242};1243 1244/**1245 * struct drm_mode_create_lease - Create lease1246 *1247 * Lease mode resources, creating another drm_master.1248 *1249 * The @object_ids array must reference at least one CRTC, one connector and1250 * one plane if &DRM_CLIENT_CAP_UNIVERSAL_PLANES is enabled. Alternatively,1251 * the lease can be completely empty.1252 */1253struct drm_mode_create_lease {1254 /** @object_ids: Pointer to array of object ids (__u32) */1255 __u64 object_ids;1256 /** @object_count: Number of object ids */1257 __u32 object_count;1258 /** @flags: flags for new FD (O_CLOEXEC, etc) */1259 __u32 flags;1260 1261 /** @lessee_id: Return: unique identifier for lessee. */1262 __u32 lessee_id;1263 /** @fd: Return: file descriptor to new drm_master file */1264 __u32 fd;1265};1266 1267/**1268 * struct drm_mode_list_lessees - List lessees1269 *1270 * List lesses from a drm_master.1271 */1272struct drm_mode_list_lessees {1273 /**1274 * @count_lessees: Number of lessees.1275 *1276 * On input, provides length of the array.1277 * On output, provides total number. No1278 * more than the input number will be written1279 * back, so two calls can be used to get1280 * the size and then the data.1281 */1282 __u32 count_lessees;1283 /** @pad: Padding. */1284 __u32 pad;1285 1286 /**1287 * @lessees_ptr: Pointer to lessees.1288 *1289 * Pointer to __u64 array of lessee ids1290 */1291 __u64 lessees_ptr;1292};1293 1294/**1295 * struct drm_mode_get_lease - Get Lease1296 *1297 * Get leased objects.1298 */1299struct drm_mode_get_lease {1300 /**1301 * @count_objects: Number of leased objects.1302 *1303 * On input, provides length of the array.1304 * On output, provides total number. No1305 * more than the input number will be written1306 * back, so two calls can be used to get1307 * the size and then the data.1308 */1309 __u32 count_objects;1310 /** @pad: Padding. */1311 __u32 pad;1312 1313 /**1314 * @objects_ptr: Pointer to objects.1315 *1316 * Pointer to __u32 array of object ids.1317 */1318 __u64 objects_ptr;1319};1320 1321/**1322 * struct drm_mode_revoke_lease - Revoke lease1323 */1324struct drm_mode_revoke_lease {1325 /** @lessee_id: Unique ID of lessee */1326 __u32 lessee_id;1327};1328 1329/**1330 * struct drm_mode_rect - Two dimensional rectangle.1331 * @x1: Horizontal starting coordinate (inclusive).1332 * @y1: Vertical starting coordinate (inclusive).1333 * @x2: Horizontal ending coordinate (exclusive).1334 * @y2: Vertical ending coordinate (exclusive).1335 *1336 * With drm subsystem using struct drm_rect to manage rectangular area this1337 * export it to user-space.1338 *1339 * Currently used by drm_mode_atomic blob property FB_DAMAGE_CLIPS.1340 */1341struct drm_mode_rect {1342 __s32 x1;1343 __s32 y1;1344 __s32 x2;1345 __s32 y2;1346};1347 1348/**1349 * struct drm_mode_closefb1350 * @fb_id: Framebuffer ID.1351 * @pad: Must be zero.1352 */1353struct drm_mode_closefb {1354 __u32 fb_id;1355 __u32 pad;1356};1357 1358#if defined(__cplusplus)1359}1360#endif1361 1362#endif1363