1 | /* |
2 | * Copyright © 2006 Keith Packard |
3 | * Copyright © 2007-2008 Dave Airlie |
4 | * Copyright © 2007-2008 Intel Corporation |
5 | * Jesse Barnes <jesse.barnes@intel.com> |
6 | * Copyright © 2014 Intel Corporation |
7 | * Daniel Vetter <daniel.vetter@ffwll.ch> |
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 | |
35 | struct 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 horizontal 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 | */ |
91 | enum 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 | #define CRTC_INTERLACE_HALVE_V (1 << 0) /* halve V values for interlacing */ |
142 | #define CRTC_STEREO_DOUBLE (1 << 1) /* adjust timings for stereo modes */ |
143 | #define CRTC_NO_DBLSCAN (1 << 2) /* don't adjust doublescan */ |
144 | #define CRTC_NO_VSCAN (1 << 3) /* don't adjust doublescan */ |
145 | #define CRTC_STEREO_DOUBLE_ONLY (CRTC_STEREO_DOUBLE | CRTC_NO_DBLSCAN | CRTC_NO_VSCAN) |
146 | |
147 | #define DRM_MODE_FLAG_3D_MAX DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF |
148 | |
149 | #define DRM_MODE_MATCH_TIMINGS (1 << 0) |
150 | #define DRM_MODE_MATCH_CLOCK (1 << 1) |
151 | #define DRM_MODE_MATCH_FLAGS (1 << 2) |
152 | #define DRM_MODE_MATCH_3D_FLAGS (1 << 3) |
153 | #define DRM_MODE_MATCH_ASPECT_RATIO (1 << 4) |
154 | |
155 | /** |
156 | * struct drm_display_mode - DRM kernel-internal display mode structure |
157 | * @hdisplay: horizontal display size |
158 | * @hsync_start: horizontal sync start |
159 | * @hsync_end: horizontal sync end |
160 | * @htotal: horizontal total size |
161 | * @hskew: horizontal skew?! |
162 | * @vdisplay: vertical display size |
163 | * @vsync_start: vertical sync start |
164 | * @vsync_end: vertical sync end |
165 | * @vtotal: vertical total size |
166 | * @vscan: vertical scan?! |
167 | * @crtc_hdisplay: hardware mode horizontal display size |
168 | * @crtc_hblank_start: hardware mode horizontal blank start |
169 | * @crtc_hblank_end: hardware mode horizontal blank end |
170 | * @crtc_hsync_start: hardware mode horizontal sync start |
171 | * @crtc_hsync_end: hardware mode horizontal sync end |
172 | * @crtc_htotal: hardware mode horizontal total size |
173 | * @crtc_hskew: hardware mode horizontal skew?! |
174 | * @crtc_vdisplay: hardware mode vertical display size |
175 | * @crtc_vblank_start: hardware mode vertical blank start |
176 | * @crtc_vblank_end: hardware mode vertical blank end |
177 | * @crtc_vsync_start: hardware mode vertical sync start |
178 | * @crtc_vsync_end: hardware mode vertical sync end |
179 | * @crtc_vtotal: hardware mode vertical total size |
180 | * |
181 | * The horizontal and vertical timings are defined per the following diagram. |
182 | * |
183 | * :: |
184 | * |
185 | * |
186 | * Active Front Sync Back |
187 | * Region Porch Porch |
188 | * <-----------------------><----------------><-------------><--------------> |
189 | * //////////////////////| |
190 | * ////////////////////// | |
191 | * ////////////////////// |.................. ................ |
192 | * _______________ |
193 | * <----- [hv]display -----> |
194 | * <------------- [hv]sync_start ------------> |
195 | * <--------------------- [hv]sync_end ---------------------> |
196 | * <-------------------------------- [hv]total ----------------------------->* |
197 | * |
198 | * This structure contains two copies of timings. First are the plain timings, |
199 | * which specify the logical mode, as it would be for a progressive 1:1 scanout |
200 | * at the refresh rate userspace can observe through vblank timestamps. Then |
201 | * there's the hardware timings, which are corrected for interlacing, |
202 | * double-clocking and similar things. They are provided as a convenience, and |
203 | * can be appropriately computed using drm_mode_set_crtcinfo(). |
204 | * |
205 | * For printing you can use %DRM_MODE_FMT and DRM_MODE_ARG(). |
206 | */ |
207 | struct drm_display_mode { |
208 | /** |
209 | * @head: |
210 | * |
211 | * struct list_head for mode lists. |
212 | */ |
213 | struct list_head head; |
214 | |
215 | /** |
216 | * @name: |
217 | * |
218 | * Human-readable name of the mode, filled out with drm_mode_set_name(). |
219 | */ |
220 | char name[DRM_DISPLAY_MODE_LEN]; |
221 | |
222 | /** |
223 | * @status: |
224 | * |
225 | * Status of the mode, used to filter out modes not supported by the |
226 | * hardware. See enum &drm_mode_status. |
227 | */ |
228 | enum drm_mode_status status; |
229 | |
230 | /** |
231 | * @type: |
232 | * |
233 | * A bitmask of flags, mostly about the source of a mode. Possible flags |
234 | * are: |
235 | * |
236 | * - DRM_MODE_TYPE_PREFERRED: Preferred mode, usually the native |
237 | * resolution of an LCD panel. There should only be one preferred |
238 | * mode per connector at any given time. |
239 | * - DRM_MODE_TYPE_DRIVER: Mode created by the driver, which is all of |
240 | * them really. Drivers must set this bit for all modes they create |
241 | * and expose to userspace. |
242 | * - DRM_MODE_TYPE_USERDEF: Mode defined via kernel command line |
243 | * |
244 | * Plus a big list of flags which shouldn't be used at all, but are |
245 | * still around since these flags are also used in the userspace ABI. |
246 | * We no longer accept modes with these types though: |
247 | * |
248 | * - DRM_MODE_TYPE_BUILTIN: Meant for hard-coded modes, unused. |
249 | * Use DRM_MODE_TYPE_DRIVER instead. |
250 | * - DRM_MODE_TYPE_DEFAULT: Again a leftover, use |
251 | * DRM_MODE_TYPE_PREFERRED instead. |
252 | * - DRM_MODE_TYPE_CLOCK_C and DRM_MODE_TYPE_CRTC_C: Define leftovers |
253 | * which are stuck around for hysterical raisins only. No one has an |
254 | * idea what they were meant for. Don't use. |
255 | */ |
256 | unsigned int type; |
257 | |
258 | /** |
259 | * @clock: |
260 | * |
261 | * Pixel clock in kHz. |
262 | */ |
263 | int clock; /* in kHz */ |
264 | int hdisplay; |
265 | int hsync_start; |
266 | int hsync_end; |
267 | int htotal; |
268 | int hskew; |
269 | int vdisplay; |
270 | int vsync_start; |
271 | int vsync_end; |
272 | int vtotal; |
273 | int vscan; |
274 | /** |
275 | * @flags: |
276 | * |
277 | * Sync and timing flags: |
278 | * |
279 | * - DRM_MODE_FLAG_PHSYNC: horizontal sync is active high. |
280 | * - DRM_MODE_FLAG_NHSYNC: horizontal sync is active low. |
281 | * - DRM_MODE_FLAG_PVSYNC: vertical sync is active high. |
282 | * - DRM_MODE_FLAG_NVSYNC: vertical sync is active low. |
283 | * - DRM_MODE_FLAG_INTERLACE: mode is interlaced. |
284 | * - DRM_MODE_FLAG_DBLSCAN: mode uses doublescan. |
285 | * - DRM_MODE_FLAG_CSYNC: mode uses composite sync. |
286 | * - DRM_MODE_FLAG_PCSYNC: composite sync is active high. |
287 | * - DRM_MODE_FLAG_NCSYNC: composite sync is active low. |
288 | * - DRM_MODE_FLAG_HSKEW: hskew provided (not used?). |
289 | * - DRM_MODE_FLAG_BCAST: <deprecated> |
290 | * - DRM_MODE_FLAG_PIXMUX: <deprecated> |
291 | * - DRM_MODE_FLAG_DBLCLK: double-clocked mode. |
292 | * - DRM_MODE_FLAG_CLKDIV2: half-clocked mode. |
293 | * |
294 | * Additionally there's flags to specify how 3D modes are packed: |
295 | * |
296 | * - DRM_MODE_FLAG_3D_NONE: normal, non-3D mode. |
297 | * - DRM_MODE_FLAG_3D_FRAME_PACKING: 2 full frames for left and right. |
298 | * - DRM_MODE_FLAG_3D_FIELD_ALTERNATIVE: interleaved like fields. |
299 | * - DRM_MODE_FLAG_3D_LINE_ALTERNATIVE: interleaved lines. |
300 | * - DRM_MODE_FLAG_3D_SIDE_BY_SIDE_FULL: side-by-side full frames. |
301 | * - DRM_MODE_FLAG_3D_L_DEPTH: ? |
302 | * - DRM_MODE_FLAG_3D_L_DEPTH_GFX_GFX_DEPTH: ? |
303 | * - DRM_MODE_FLAG_3D_TOP_AND_BOTTOM: frame split into top and bottom |
304 | * parts. |
305 | * - DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF: frame split into left and |
306 | * right parts. |
307 | */ |
308 | unsigned int flags; |
309 | |
310 | /** |
311 | * @width_mm: |
312 | * |
313 | * Addressable size of the output in mm, projectors should set this to |
314 | * 0. |
315 | */ |
316 | int width_mm; |
317 | |
318 | /** |
319 | * @height_mm: |
320 | * |
321 | * Addressable size of the output in mm, projectors should set this to |
322 | * 0. |
323 | */ |
324 | int height_mm; |
325 | |
326 | /** |
327 | * @crtc_clock: |
328 | * |
329 | * Actual pixel or dot clock in the hardware. This differs from the |
330 | * logical @clock when e.g. using interlacing, double-clocking, stereo |
331 | * modes or other fancy stuff that changes the timings and signals |
332 | * actually sent over the wire. |
333 | * |
334 | * This is again in kHz. |
335 | * |
336 | * Note that with digital outputs like HDMI or DP there's usually a |
337 | * massive confusion between the dot clock and the signal clock at the |
338 | * bit encoding level. Especially when a 8b/10b encoding is used and the |
339 | * difference is exactly a factor of 10. |
340 | */ |
341 | int crtc_clock; |
342 | int crtc_hdisplay; |
343 | int crtc_hblank_start; |
344 | int crtc_hblank_end; |
345 | int crtc_hsync_start; |
346 | int crtc_hsync_end; |
347 | int crtc_htotal; |
348 | int crtc_hskew; |
349 | int crtc_vdisplay; |
350 | int crtc_vblank_start; |
351 | int crtc_vblank_end; |
352 | int crtc_vsync_start; |
353 | int crtc_vsync_end; |
354 | int crtc_vtotal; |
355 | |
356 | /** |
357 | * @private: |
358 | * |
359 | * Pointer for driver private data. This can only be used for mode |
360 | * objects passed to drivers in modeset operations. It shouldn't be used |
361 | * by atomic drivers since they can store any additional data by |
362 | * subclassing state structures. |
363 | */ |
364 | int *private; |
365 | |
366 | /** |
367 | * @private_flags: |
368 | * |
369 | * Similar to @private, but just an integer. |
370 | */ |
371 | int private_flags; |
372 | |
373 | /** |
374 | * @vrefresh: |
375 | * |
376 | * Vertical refresh rate, for debug output in human readable form. Not |
377 | * used in a functional way. |
378 | * |
379 | * This value is in Hz. |
380 | */ |
381 | int vrefresh; |
382 | |
383 | /** |
384 | * @hsync: |
385 | * |
386 | * Horizontal refresh rate, for debug output in human readable form. Not |
387 | * used in a functional way. |
388 | * |
389 | * This value is in kHz. |
390 | */ |
391 | int hsync; |
392 | |
393 | /** |
394 | * @picture_aspect_ratio: |
395 | * |
396 | * Field for setting the HDMI picture aspect ratio of a mode. |
397 | */ |
398 | enum hdmi_picture_aspect picture_aspect_ratio; |
399 | |
400 | /** |
401 | * @export_head: |
402 | * |
403 | * struct list_head for modes to be exposed to the userspace. |
404 | * This is to maintain a list of exposed modes while preparing |
405 | * user-mode's list in drm_mode_getconnector ioctl. The purpose of this |
406 | * list_head only lies in the ioctl function, and is not expected to be |
407 | * used outside the function. |
408 | * Once used, the stale pointers are not reset, but left as it is, to |
409 | * avoid overhead of protecting it by mode_config.mutex. |
410 | */ |
411 | struct list_head export_head; |
412 | }; |
413 | |
414 | /** |
415 | * DRM_MODE_FMT - printf string for &struct drm_display_mode |
416 | */ |
417 | #define DRM_MODE_FMT "\"%s\": %d %d %d %d %d %d %d %d %d %d 0x%x 0x%x" |
418 | |
419 | /** |
420 | * DRM_MODE_ARG - printf arguments for &struct drm_display_mode |
421 | * @m: display mode |
422 | */ |
423 | #define DRM_MODE_ARG(m) \ |
424 | (m)->name, (m)->vrefresh, (m)->clock, \ |
425 | (m)->hdisplay, (m)->hsync_start, (m)->hsync_end, (m)->htotal, \ |
426 | (m)->vdisplay, (m)->vsync_start, (m)->vsync_end, (m)->vtotal, \ |
427 | (m)->type, (m)->flags |
428 | |
429 | #define obj_to_mode(x) container_of(x, struct drm_display_mode, base) |
430 | |
431 | /** |
432 | * drm_mode_is_stereo - check for stereo mode flags |
433 | * @mode: drm_display_mode to check |
434 | * |
435 | * Returns: |
436 | * True if the mode is one of the stereo modes (like side-by-side), false if |
437 | * not. |
438 | */ |
439 | static inline bool drm_mode_is_stereo(const struct drm_display_mode *mode) |
440 | { |
441 | return mode->flags & DRM_MODE_FLAG_3D_MASK; |
442 | } |
443 | |
444 | struct drm_connector; |
445 | struct drm_cmdline_mode; |
446 | |
447 | struct drm_display_mode *drm_mode_create(struct drm_device *dev); |
448 | void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode); |
449 | void drm_mode_convert_to_umode(struct drm_mode_modeinfo *out, |
450 | const struct drm_display_mode *in); |
451 | int drm_mode_convert_umode(struct drm_device *dev, |
452 | struct drm_display_mode *out, |
453 | const struct drm_mode_modeinfo *in); |
454 | void drm_mode_probed_add(struct drm_connector *connector, struct drm_display_mode *mode); |
455 | void drm_mode_debug_printmodeline(const struct drm_display_mode *mode); |
456 | bool drm_mode_is_420_only(const struct drm_display_info *display, |
457 | const struct drm_display_mode *mode); |
458 | bool drm_mode_is_420_also(const struct drm_display_info *display, |
459 | const struct drm_display_mode *mode); |
460 | bool drm_mode_is_420(const struct drm_display_info *display, |
461 | const struct drm_display_mode *mode); |
462 | |
463 | struct drm_display_mode *drm_cvt_mode(struct drm_device *dev, |
464 | int hdisplay, int vdisplay, int vrefresh, |
465 | bool reduced, bool interlaced, |
466 | bool margins); |
467 | struct drm_display_mode *drm_gtf_mode(struct drm_device *dev, |
468 | int hdisplay, int vdisplay, int vrefresh, |
469 | bool interlaced, int margins); |
470 | struct drm_display_mode *drm_gtf_mode_complex(struct drm_device *dev, |
471 | int hdisplay, int vdisplay, |
472 | int vrefresh, bool interlaced, |
473 | int margins, |
474 | int GTF_M, int GTF_2C, |
475 | int GTF_K, int GTF_2J); |
476 | void drm_display_mode_from_videomode(const struct videomode *vm, |
477 | struct drm_display_mode *dmode); |
478 | void drm_display_mode_to_videomode(const struct drm_display_mode *dmode, |
479 | struct videomode *vm); |
480 | void drm_bus_flags_from_videomode(const struct videomode *vm, u32 *bus_flags); |
481 | int of_get_drm_display_mode(struct device_node *np, |
482 | struct drm_display_mode *dmode, u32 *bus_flags, |
483 | int index); |
484 | |
485 | void drm_mode_set_name(struct drm_display_mode *mode); |
486 | int drm_mode_hsync(const struct drm_display_mode *mode); |
487 | int drm_mode_vrefresh(const struct drm_display_mode *mode); |
488 | void drm_mode_get_hv_timing(const struct drm_display_mode *mode, |
489 | int *hdisplay, int *vdisplay); |
490 | |
491 | void drm_mode_set_crtcinfo(struct drm_display_mode *p, |
492 | int adjust_flags); |
493 | void drm_mode_copy(struct drm_display_mode *dst, |
494 | const struct drm_display_mode *src); |
495 | struct drm_display_mode *drm_mode_duplicate(struct drm_device *dev, |
496 | const struct drm_display_mode *mode); |
497 | bool drm_mode_match(const struct drm_display_mode *mode1, |
498 | const struct drm_display_mode *mode2, |
499 | unsigned int match_flags); |
500 | bool drm_mode_equal(const struct drm_display_mode *mode1, |
501 | const struct drm_display_mode *mode2); |
502 | bool drm_mode_equal_no_clocks(const struct drm_display_mode *mode1, |
503 | const struct drm_display_mode *mode2); |
504 | bool drm_mode_equal_no_clocks_no_stereo(const struct drm_display_mode *mode1, |
505 | const struct drm_display_mode *mode2); |
506 | |
507 | /* for use by the crtc helper probe functions */ |
508 | enum drm_mode_status drm_mode_validate_driver(struct drm_device *dev, |
509 | const struct drm_display_mode *mode); |
510 | enum drm_mode_status drm_mode_validate_size(const struct drm_display_mode *mode, |
511 | int maxX, int maxY); |
512 | enum drm_mode_status |
513 | drm_mode_validate_ycbcr420(const struct drm_display_mode *mode, |
514 | struct drm_connector *connector); |
515 | void drm_mode_prune_invalid(struct drm_device *dev, |
516 | struct list_head *mode_list, bool verbose); |
517 | void drm_mode_sort(struct list_head *mode_list); |
518 | void drm_connector_list_update(struct drm_connector *connector); |
519 | |
520 | /* parsing cmdline modes */ |
521 | bool |
522 | drm_mode_parse_command_line_for_connector(const char *mode_option, |
523 | struct drm_connector *connector, |
524 | struct drm_cmdline_mode *mode); |
525 | struct drm_display_mode * |
526 | drm_mode_create_from_cmdline_mode(struct drm_device *dev, |
527 | struct drm_cmdline_mode *cmd); |
528 | |
529 | #endif /* __DRM_MODES_H__ */ |
530 | |