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1/*
2 * Copyright © 2006 Keith Packard
3 * Copyright © 2007-2008 Dave Airlie
4 * Copyright © 2007-2008 Intel Corporation
5 * Jesse Barnes <[email protected]>
6 * Copyright © 2014 Intel Corporation
7 * Daniel Vetter <[email protected]>
8 *
9 * Permission is hereby granted, free of charge, to any person obtaining a
10 * copy of this software and associated documentation files (the "Software"),
11 * to deal in the Software without restriction, including without limitation
12 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
13 * and/or sell copies of the Software, and to permit persons to whom the
14 * Software is furnished to do so, subject to the following conditions:
15 *
16 * The above copyright notice and this permission notice shall be included in
17 * all copies or substantial portions of the Software.
18 *
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
22 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
23 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
24 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
25 * OTHER DEALINGS IN THE SOFTWARE.
26 */
27#ifndef __DRM_MODES_H__
28#define __DRM_MODES_H__
29
30#include <linux/hdmi.h>
31
32#include <drm/drm_mode_object.h>
33#include <drm/drm_connector.h>
34
35struct videomode;
36
37/*
38 * Note on terminology: here, for brevity and convenience, we refer to connector
39 * control chips as 'CRTCs'. They can control any type of connector, VGA, LVDS,
40 * DVI, etc. And 'screen' refers to the whole of the visible display, which
41 * may span multiple monitors (and therefore multiple CRTC and connector
42 * structures).
43 */
44
45/**
46 * enum drm_mode_status - hardware support status of a mode
47 * @MODE_OK: Mode OK
48 * @MODE_HSYNC: hsync out of range
49 * @MODE_VSYNC: vsync out of range
50 * @MODE_H_ILLEGAL: mode has illegal horizontal timings
51 * @MODE_V_ILLEGAL: mode has illegal vertical timings
52 * @MODE_BAD_WIDTH: requires an unsupported linepitch
53 * @MODE_NOMODE: no mode with a matching name
54 * @MODE_NO_INTERLACE: interlaced mode not supported
55 * @MODE_NO_DBLESCAN: doublescan mode not supported
56 * @MODE_NO_VSCAN: multiscan mode not supported
57 * @MODE_MEM: insufficient video memory
58 * @MODE_VIRTUAL_X: mode width too large for specified virtual size
59 * @MODE_VIRTUAL_Y: mode height too large for specified virtual size
60 * @MODE_MEM_VIRT: insufficient video memory given virtual size
61 * @MODE_NOCLOCK: no fixed clock available
62 * @MODE_CLOCK_HIGH: clock required is too high
63 * @MODE_CLOCK_LOW: clock required is too low
64 * @MODE_CLOCK_RANGE: clock/mode isn't in a ClockRange
65 * @MODE_BAD_HVALUE: horizontal timing was out of range
66 * @MODE_BAD_VVALUE: vertical timing was out of range
67 * @MODE_BAD_VSCAN: VScan value out of range
68 * @MODE_HSYNC_NARROW: horizontal sync too narrow
69 * @MODE_HSYNC_WIDE: horizontal sync too wide
70 * @MODE_HBLANK_NARROW: horizontal blanking too narrow
71 * @MODE_HBLANK_WIDE: horizontal blanking too wide
72 * @MODE_VSYNC_NARROW: vertical sync too narrow
73 * @MODE_VSYNC_WIDE: vertical sync too wide
74 * @MODE_VBLANK_NARROW: vertical blanking too narrow
75 * @MODE_VBLANK_WIDE: vertical blanking too wide
76 * @MODE_PANEL: exceeds panel dimensions
77 * @MODE_INTERLACE_WIDTH: width too large for interlaced mode
78 * @MODE_ONE_WIDTH: only one width is supported
79 * @MODE_ONE_HEIGHT: only one height is supported
80 * @MODE_ONE_SIZE: only one resolution is supported
81 * @MODE_NO_REDUCED: monitor doesn't accept reduced blanking
82 * @MODE_NO_STEREO: stereo modes not supported
83 * @MODE_NO_420: ycbcr 420 modes not supported
84 * @MODE_STALE: mode has become stale
85 * @MODE_BAD: unspecified reason
86 * @MODE_ERROR: error condition
87 *
88 * This enum is used to filter out modes not supported by the driver/hardware
89 * combination.
90 */
91enum drm_mode_status {
92 MODE_OK = 0,
93 MODE_HSYNC,
94 MODE_VSYNC,
95 MODE_H_ILLEGAL,
96 MODE_V_ILLEGAL,
97 MODE_BAD_WIDTH,
98 MODE_NOMODE,
99 MODE_NO_INTERLACE,
100 MODE_NO_DBLESCAN,
101 MODE_NO_VSCAN,
102 MODE_MEM,
103 MODE_VIRTUAL_X,
104 MODE_VIRTUAL_Y,
105 MODE_MEM_VIRT,
106 MODE_NOCLOCK,
107 MODE_CLOCK_HIGH,
108 MODE_CLOCK_LOW,
109 MODE_CLOCK_RANGE,
110 MODE_BAD_HVALUE,
111 MODE_BAD_VVALUE,
112 MODE_BAD_VSCAN,
113 MODE_HSYNC_NARROW,
114 MODE_HSYNC_WIDE,
115 MODE_HBLANK_NARROW,
116 MODE_HBLANK_WIDE,
117 MODE_VSYNC_NARROW,
118 MODE_VSYNC_WIDE,
119 MODE_VBLANK_NARROW,
120 MODE_VBLANK_WIDE,
121 MODE_PANEL,
122 MODE_INTERLACE_WIDTH,
123 MODE_ONE_WIDTH,
124 MODE_ONE_HEIGHT,
125 MODE_ONE_SIZE,
126 MODE_NO_REDUCED,
127 MODE_NO_STEREO,
128 MODE_NO_420,
129 MODE_STALE = -3,
130 MODE_BAD = -2,
131 MODE_ERROR = -1
132};
133
134#define DRM_MODE(nm, t, c, hd, hss, hse, ht, hsk, vd, vss, vse, vt, vs, f) \
135 .name = nm, .status = 0, .type = (t), .clock = (c), \
136 .hdisplay = (hd), .hsync_start = (hss), .hsync_end = (hse), \
137 .htotal = (ht), .hskew = (hsk), .vdisplay = (vd), \
138 .vsync_start = (vss), .vsync_end = (vse), .vtotal = (vt), \
139 .vscan = (vs), .flags = (f)
140
141/**
142 * DRM_MODE_RES_MM - Calculates the display size from resolution and DPI
143 * @res: The resolution in pixel
144 * @dpi: The number of dots per inch
145 */
146#define DRM_MODE_RES_MM(res, dpi) \
147 (((res) * 254ul) / ((dpi) * 10ul))
148
149#define __DRM_MODE_INIT(pix, hd, vd, hd_mm, vd_mm) \
150 .type = DRM_MODE_TYPE_DRIVER, .clock = (pix), \
151 .hdisplay = (hd), .hsync_start = (hd), .hsync_end = (hd), \
152 .htotal = (hd), .vdisplay = (vd), .vsync_start = (vd), \
153 .vsync_end = (vd), .vtotal = (vd), .width_mm = (hd_mm), \
154 .height_mm = (vd_mm)
155
156/**
157 * DRM_MODE_INIT - Initialize display mode
158 * @hz: Vertical refresh rate in Hertz
159 * @hd: Horizontal resolution, width
160 * @vd: Vertical resolution, height
161 * @hd_mm: Display width in millimeters
162 * @vd_mm: Display height in millimeters
163 *
164 * This macro initializes a &drm_display_mode that contains information about
165 * refresh rate, resolution and physical size.
166 */
167#define DRM_MODE_INIT(hz, hd, vd, hd_mm, vd_mm) \
168 __DRM_MODE_INIT((hd) * (vd) * (hz) / 1000 /* kHz */, hd, vd, hd_mm, vd_mm)
169
170/**
171 * DRM_SIMPLE_MODE - Simple display mode
172 * @hd: Horizontal resolution, width
173 * @vd: Vertical resolution, height
174 * @hd_mm: Display width in millimeters
175 * @vd_mm: Display height in millimeters
176 *
177 * This macro initializes a &drm_display_mode that only contains info about
178 * resolution and physical size.
179 */
180#define DRM_SIMPLE_MODE(hd, vd, hd_mm, vd_mm) \
181 __DRM_MODE_INIT(1 /* pass validation */, hd, vd, hd_mm, vd_mm)
182
183#define CRTC_INTERLACE_HALVE_V (1 << 0) /* halve V values for interlacing */
184#define CRTC_STEREO_DOUBLE (1 << 1) /* adjust timings for stereo modes */
185#define CRTC_NO_DBLSCAN (1 << 2) /* don't adjust doublescan */
186#define CRTC_NO_VSCAN (1 << 3) /* don't adjust doublescan */
187#define CRTC_STEREO_DOUBLE_ONLY (CRTC_STEREO_DOUBLE | CRTC_NO_DBLSCAN | CRTC_NO_VSCAN)
188
189#define DRM_MODE_FLAG_3D_MAX DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF
190
191#define DRM_MODE_MATCH_TIMINGS (1 << 0)
192#define DRM_MODE_MATCH_CLOCK (1 << 1)
193#define DRM_MODE_MATCH_FLAGS (1 << 2)
194#define DRM_MODE_MATCH_3D_FLAGS (1 << 3)
195#define DRM_MODE_MATCH_ASPECT_RATIO (1 << 4)
196#define DRM_MODE_MATCH_TIMINGS_VRR (1 << 5)
197
198/**
199 * struct drm_display_mode - DRM kernel-internal display mode structure
200 * @hdisplay: horizontal display size
201 * @hsync_start: horizontal sync start
202 * @hsync_end: horizontal sync end
203 * @htotal: horizontal total size
204 * @hskew: horizontal skew?!
205 * @vdisplay: vertical display size
206 * @vsync_start: vertical sync start
207 * @vsync_end: vertical sync end
208 * @vtotal: vertical total size
209 * @vscan: vertical scan?!
210 * @crtc_hdisplay: hardware mode horizontal display size
211 * @crtc_hblank_start: hardware mode horizontal blank start
212 * @crtc_hblank_end: hardware mode horizontal blank end
213 * @crtc_hsync_start: hardware mode horizontal sync start
214 * @crtc_hsync_end: hardware mode horizontal sync end
215 * @crtc_htotal: hardware mode horizontal total size
216 * @crtc_hskew: hardware mode horizontal skew?!
217 * @crtc_vdisplay: hardware mode vertical display size
218 * @crtc_vblank_start: hardware mode vertical blank start
219 * @crtc_vblank_end: hardware mode vertical blank end
220 * @crtc_vsync_start: hardware mode vertical sync start
221 * @crtc_vsync_end: hardware mode vertical sync end
222 * @crtc_vtotal: hardware mode vertical total size
223 *
224 * This is the kernel API display mode information structure. For the
225 * user-space version see struct drm_mode_modeinfo.
226 *
227 * The horizontal and vertical timings are defined per the following diagram.
228 *
229 * ::
230 *
231 *
232 * Active Front Sync Back
233 * Region Porch Porch
234 * <-----------------------><----------------><-------------><-------------->
235 * //////////////////////|
236 * ////////////////////// |
237 * ////////////////////// |.................. ................
238 * _______________
239 * <----- [hv]display ----->
240 * <------------- [hv]sync_start ------------>
241 * <--------------------- [hv]sync_end --------------------->
242 * <-------------------------------- [hv]total ----------------------------->*
243 *
244 * This structure contains two copies of timings. First are the plain timings,
245 * which specify the logical mode, as it would be for a progressive 1:1 scanout
246 * at the refresh rate userspace can observe through vblank timestamps. Then
247 * there's the hardware timings, which are corrected for interlacing,
248 * double-clocking and similar things. They are provided as a convenience, and
249 * can be appropriately computed using drm_mode_set_crtcinfo().
250 *
251 * For printing you can use %DRM_MODE_FMT and DRM_MODE_ARG().
252 */
253struct drm_display_mode {
254 /**
255 * @clock:
256 *
257 * Pixel clock in kHz.
258 */
259 int clock; /* in kHz */
260 u16 hdisplay;
261 u16 hsync_start;
262 u16 hsync_end;
263 u16 htotal;
264 u16 hskew;
265 u16 vdisplay;
266 u16 vsync_start;
267 u16 vsync_end;
268 u16 vtotal;
269 u16 vscan;
270 /**
271 * @flags:
272 *
273 * Sync and timing flags:
274 *
275 * - DRM_MODE_FLAG_PHSYNC: horizontal sync is active high.
276 * - DRM_MODE_FLAG_NHSYNC: horizontal sync is active low.
277 * - DRM_MODE_FLAG_PVSYNC: vertical sync is active high.
278 * - DRM_MODE_FLAG_NVSYNC: vertical sync is active low.
279 * - DRM_MODE_FLAG_INTERLACE: mode is interlaced.
280 * - DRM_MODE_FLAG_DBLSCAN: mode uses doublescan.
281 * - DRM_MODE_FLAG_CSYNC: mode uses composite sync.
282 * - DRM_MODE_FLAG_PCSYNC: composite sync is active high.
283 * - DRM_MODE_FLAG_NCSYNC: composite sync is active low.
284 * - DRM_MODE_FLAG_HSKEW: hskew provided (not used?).
285 * - DRM_MODE_FLAG_BCAST: <deprecated>
286 * - DRM_MODE_FLAG_PIXMUX: <deprecated>
287 * - DRM_MODE_FLAG_DBLCLK: double-clocked mode.
288 * - DRM_MODE_FLAG_CLKDIV2: half-clocked mode.
289 *
290 * Additionally there's flags to specify how 3D modes are packed:
291 *
292 * - DRM_MODE_FLAG_3D_NONE: normal, non-3D mode.
293 * - DRM_MODE_FLAG_3D_FRAME_PACKING: 2 full frames for left and right.
294 * - DRM_MODE_FLAG_3D_FIELD_ALTERNATIVE: interleaved like fields.
295 * - DRM_MODE_FLAG_3D_LINE_ALTERNATIVE: interleaved lines.
296 * - DRM_MODE_FLAG_3D_SIDE_BY_SIDE_FULL: side-by-side full frames.
297 * - DRM_MODE_FLAG_3D_L_DEPTH: ?
298 * - DRM_MODE_FLAG_3D_L_DEPTH_GFX_GFX_DEPTH: ?
299 * - DRM_MODE_FLAG_3D_TOP_AND_BOTTOM: frame split into top and bottom
300 * parts.
301 * - DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF: frame split into left and
302 * right parts.
303 */
304 u32 flags;
305
306 /**
307 * @crtc_clock:
308 *
309 * Actual pixel or dot clock in the hardware. This differs from the
310 * logical @clock when e.g. using interlacing, double-clocking, stereo
311 * modes or other fancy stuff that changes the timings and signals
312 * actually sent over the wire.
313 *
314 * This is again in kHz.
315 *
316 * Note that with digital outputs like HDMI or DP there's usually a
317 * massive confusion between the dot clock and the signal clock at the
318 * bit encoding level. Especially when a 8b/10b encoding is used and the
319 * difference is exactly a factor of 10.
320 */
321 int crtc_clock;
322 u16 crtc_hdisplay;
323 u16 crtc_hblank_start;
324 u16 crtc_hblank_end;
325 u16 crtc_hsync_start;
326 u16 crtc_hsync_end;
327 u16 crtc_htotal;
328 u16 crtc_hskew;
329 u16 crtc_vdisplay;
330 u16 crtc_vblank_start;
331 u16 crtc_vblank_end;
332 u16 crtc_vsync_start;
333 u16 crtc_vsync_end;
334 u16 crtc_vtotal;
335
336 /**
337 * @width_mm:
338 *
339 * Addressable size of the output in mm, projectors should set this to
340 * 0.
341 */
342 u16 width_mm;
343
344 /**
345 * @height_mm:
346 *
347 * Addressable size of the output in mm, projectors should set this to
348 * 0.
349 */
350 u16 height_mm;
351
352 /**
353 * @type:
354 *
355 * A bitmask of flags, mostly about the source of a mode. Possible flags
356 * are:
357 *
358 * - DRM_MODE_TYPE_PREFERRED: Preferred mode, usually the native
359 * resolution of an LCD panel. There should only be one preferred
360 * mode per connector at any given time.
361 * - DRM_MODE_TYPE_DRIVER: Mode created by the driver, which is all of
362 * them really. Drivers must set this bit for all modes they create
363 * and expose to userspace.
364 * - DRM_MODE_TYPE_USERDEF: Mode defined or selected via the kernel
365 * command line.
366 *
367 * Plus a big list of flags which shouldn't be used at all, but are
368 * still around since these flags are also used in the userspace ABI.
369 * We no longer accept modes with these types though:
370 *
371 * - DRM_MODE_TYPE_BUILTIN: Meant for hard-coded modes, unused.
372 * Use DRM_MODE_TYPE_DRIVER instead.
373 * - DRM_MODE_TYPE_DEFAULT: Again a leftover, use
374 * DRM_MODE_TYPE_PREFERRED instead.
375 * - DRM_MODE_TYPE_CLOCK_C and DRM_MODE_TYPE_CRTC_C: Define leftovers
376 * which are stuck around for hysterical raisins only. No one has an
377 * idea what they were meant for. Don't use.
378 */
379 u8 type;
380
381 /**
382 * @expose_to_userspace:
383 *
384 * Indicates whether the mode is to be exposed to the userspace.
385 * This is to maintain a set of exposed modes while preparing
386 * user-mode's list in drm_mode_getconnector ioctl. The purpose of
387 * this only lies in the ioctl function, and is not to be used
388 * outside the function.
389 */
390 bool expose_to_userspace;
391
392 /**
393 * @head:
394 *
395 * struct list_head for mode lists.
396 */
397 struct list_head head;
398
399 /**
400 * @name:
401 *
402 * Human-readable name of the mode, filled out with drm_mode_set_name().
403 */
404 char name[DRM_DISPLAY_MODE_LEN];
405
406 /**
407 * @status:
408 *
409 * Status of the mode, used to filter out modes not supported by the
410 * hardware. See enum &drm_mode_status.
411 */
412 enum drm_mode_status status;
413
414 /**
415 * @picture_aspect_ratio:
416 *
417 * Field for setting the HDMI picture aspect ratio of a mode.
418 */
419 enum hdmi_picture_aspect picture_aspect_ratio;
420
421};
422
423/**
424 * DRM_MODE_FMT - printf string for &struct drm_display_mode
425 */
426#define DRM_MODE_FMT "\"%s\": %d %d %d %d %d %d %d %d %d %d 0x%x 0x%x"
427
428/**
429 * DRM_MODE_ARG - printf arguments for &struct drm_display_mode
430 * @m: display mode
431 */
432#define DRM_MODE_ARG(m) \
433 (m)->name, drm_mode_vrefresh(m), (m)->clock, \
434 (m)->hdisplay, (m)->hsync_start, (m)->hsync_end, (m)->htotal, \
435 (m)->vdisplay, (m)->vsync_start, (m)->vsync_end, (m)->vtotal, \
436 (m)->type, (m)->flags
437
438#define obj_to_mode(x) container_of(x, struct drm_display_mode, base)
439
440/**
441 * drm_mode_is_stereo - check for stereo mode flags
442 * @mode: drm_display_mode to check
443 *
444 * Returns:
445 * True if the mode is one of the stereo modes (like side-by-side), false if
446 * not.
447 */
448static inline bool drm_mode_is_stereo(const struct drm_display_mode *mode)
449{
450 return mode->flags & DRM_MODE_FLAG_3D_MASK;
451}
452
453struct drm_connector;
454struct drm_cmdline_mode;
455
456struct drm_display_mode *drm_mode_create(struct drm_device *dev);
457void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode);
458void drm_mode_convert_to_umode(struct drm_mode_modeinfo *out,
459 const struct drm_display_mode *in);
460int drm_mode_convert_umode(struct drm_device *dev,
461 struct drm_display_mode *out,
462 const struct drm_mode_modeinfo *in);
463void drm_mode_probed_add(struct drm_connector *connector, struct drm_display_mode *mode);
464void drm_mode_debug_printmodeline(const struct drm_display_mode *mode);
465bool drm_mode_is_420_only(const struct drm_display_info *display,
466 const struct drm_display_mode *mode);
467bool drm_mode_is_420_also(const struct drm_display_info *display,
468 const struct drm_display_mode *mode);
469bool drm_mode_is_420(const struct drm_display_info *display,
470 const struct drm_display_mode *mode);
471void drm_set_preferred_mode(struct drm_connector *connector,
472 int hpref, int vpref);
473
474struct drm_display_mode *drm_analog_tv_mode(struct drm_device *dev,
475 enum drm_connector_tv_mode mode,
476 unsigned long pixel_clock_hz,
477 unsigned int hdisplay,
478 unsigned int vdisplay,
479 bool interlace);
480
481static inline struct drm_display_mode *drm_mode_analog_ntsc_480i(struct drm_device *dev)
482{
483 return drm_analog_tv_mode(dev, DRM_MODE_TV_MODE_NTSC, 13500000, 720, 480, true);
484}
485
486static inline struct drm_display_mode *drm_mode_analog_pal_576i(struct drm_device *dev)
487{
488 return drm_analog_tv_mode(dev, DRM_MODE_TV_MODE_PAL, 13500000, 720, 576, true);
489}
490
491struct drm_display_mode *drm_cvt_mode(struct drm_device *dev,
492 int hdisplay, int vdisplay, int vrefresh,
493 bool reduced, bool interlaced,
494 bool margins);
495struct drm_display_mode *drm_gtf_mode(struct drm_device *dev,
496 int hdisplay, int vdisplay, int vrefresh,
497 bool interlaced, int margins);
498struct drm_display_mode *drm_gtf_mode_complex(struct drm_device *dev,
499 int hdisplay, int vdisplay,
500 int vrefresh, bool interlaced,
501 int margins,
502 int GTF_M, int GTF_2C,
503 int GTF_K, int GTF_2J);
504void drm_display_mode_from_videomode(const struct videomode *vm,
505 struct drm_display_mode *dmode);
506void drm_display_mode_to_videomode(const struct drm_display_mode *dmode,
507 struct videomode *vm);
508void drm_bus_flags_from_videomode(const struct videomode *vm, u32 *bus_flags);
509
510#if defined(CONFIG_OF)
511int of_get_drm_display_mode(struct device_node *np,
512 struct drm_display_mode *dmode, u32 *bus_flags,
513 int index);
514int of_get_drm_panel_display_mode(struct device_node *np,
515 struct drm_display_mode *dmode, u32 *bus_flags);
516#else
517static inline int of_get_drm_display_mode(struct device_node *np,
518 struct drm_display_mode *dmode,
519 u32 *bus_flags, int index)
520{
521 return -EINVAL;
522}
523
524static inline int of_get_drm_panel_display_mode(struct device_node *np,
525 struct drm_display_mode *dmode, u32 *bus_flags)
526{
527 return -EINVAL;
528}
529#endif
530
531void drm_mode_set_name(struct drm_display_mode *mode);
532int drm_mode_vrefresh(const struct drm_display_mode *mode);
533void drm_mode_get_hv_timing(const struct drm_display_mode *mode,
534 int *hdisplay, int *vdisplay);
535
536void drm_mode_set_crtcinfo(struct drm_display_mode *p,
537 int adjust_flags);
538void drm_mode_copy(struct drm_display_mode *dst,
539 const struct drm_display_mode *src);
540void drm_mode_init(struct drm_display_mode *dst,
541 const struct drm_display_mode *src);
542struct drm_display_mode *drm_mode_duplicate(struct drm_device *dev,
543 const struct drm_display_mode *mode);
544bool drm_mode_match(const struct drm_display_mode *mode1,
545 const struct drm_display_mode *mode2,
546 unsigned int match_flags);
547bool drm_mode_equal(const struct drm_display_mode *mode1,
548 const struct drm_display_mode *mode2);
549bool drm_mode_equal_no_clocks(const struct drm_display_mode *mode1,
550 const struct drm_display_mode *mode2);
551bool drm_mode_equal_no_clocks_no_stereo(const struct drm_display_mode *mode1,
552 const struct drm_display_mode *mode2);
553
554/* for use by the crtc helper probe functions */
555enum drm_mode_status drm_mode_validate_driver(struct drm_device *dev,
556 const struct drm_display_mode *mode);
557enum drm_mode_status drm_mode_validate_size(const struct drm_display_mode *mode,
558 int maxX, int maxY);
559enum drm_mode_status
560drm_mode_validate_ycbcr420(const struct drm_display_mode *mode,
561 struct drm_connector *connector);
562void drm_mode_prune_invalid(struct drm_device *dev,
563 struct list_head *mode_list, bool verbose);
564void drm_mode_sort(struct list_head *mode_list);
565void drm_connector_list_update(struct drm_connector *connector);
566
567/* parsing cmdline modes */
568bool
569drm_mode_parse_command_line_for_connector(const char *mode_option,
570 const struct drm_connector *connector,
571 struct drm_cmdline_mode *mode);
572struct drm_display_mode *
573drm_mode_create_from_cmdline_mode(struct drm_device *dev,
574 struct drm_cmdline_mode *cmd);
575
576#endif /* __DRM_MODES_H__ */