2 * linux/drivers/video/modedb.c -- Standard video mode database management
4 * Copyright (C) 1999 Geert Uytterhoeven
6 * 2001 - Documented with DocBook
7 * - Brad Douglas <brad@neruo.com>
9 * This file is subject to the terms and conditions of the GNU General Public
10 * License. See the file COPYING in the main directory of this archive for
14 #include <linux/module.h>
15 #include <linux/slab.h>
17 #include <linux/kernel.h>
21 #define name_matches(v, s, l) \
22 ((v).name && !strncmp((s), (v).name, (l)) && strlen((v).name) == (l))
23 #define res_matches(v, x, y) \
24 ((v).xres == (x) && (v).yres == (y))
27 #define DPRINTK(fmt, args...) printk("modedb %s: " fmt, __func__ , ## args)
29 #define DPRINTK(fmt, args...)
32 const char *fb_mode_option;
33 EXPORT_SYMBOL_GPL(fb_mode_option);
36 * Standard video mode definitions (taken from XFree86)
39 static const struct fb_videomode modedb[] = {
41 /* 640x400 @ 70 Hz, 31.5 kHz hsync */
42 { NULL, 70, 640, 400, 39721, 40, 24, 39, 9, 96, 2, 0,
43 FB_VMODE_NONINTERLACED },
45 /* 640x480 @ 60 Hz, 31.5 kHz hsync */
46 { NULL, 60, 640, 480, 39721, 40, 24, 32, 11, 96, 2, 0,
47 FB_VMODE_NONINTERLACED },
49 /* 800x600 @ 56 Hz, 35.15 kHz hsync */
50 { NULL, 56, 800, 600, 27777, 128, 24, 22, 1, 72, 2, 0,
51 FB_VMODE_NONINTERLACED },
53 /* 1024x768 @ 87 Hz interlaced, 35.5 kHz hsync */
54 { NULL, 87, 1024, 768, 22271, 56, 24, 33, 8, 160, 8, 0,
55 FB_VMODE_INTERLACED },
57 /* 640x400 @ 85 Hz, 37.86 kHz hsync */
58 { NULL, 85, 640, 400, 31746, 96, 32, 41, 1, 64, 3,
59 FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED },
61 /* 640x480 @ 72 Hz, 36.5 kHz hsync */
62 { NULL, 72, 640, 480, 31746, 144, 40, 30, 8, 40, 3, 0,
63 FB_VMODE_NONINTERLACED },
65 /* 640x480 @ 75 Hz, 37.50 kHz hsync */
66 { NULL, 75, 640, 480, 31746, 120, 16, 16, 1, 64, 3, 0,
67 FB_VMODE_NONINTERLACED },
69 /* 800x600 @ 60 Hz, 37.8 kHz hsync */
70 { NULL, 60, 800, 600, 25000, 88, 40, 23, 1, 128, 4,
71 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
72 FB_VMODE_NONINTERLACED },
74 /* 640x480 @ 85 Hz, 43.27 kHz hsync */
75 { NULL, 85, 640, 480, 27777, 80, 56, 25, 1, 56, 3, 0,
76 FB_VMODE_NONINTERLACED },
78 /* 1152x864 @ 89 Hz interlaced, 44 kHz hsync */
79 { NULL, 89, 1152, 864, 15384, 96, 16, 110, 1, 216, 10, 0,
80 FB_VMODE_INTERLACED },
81 /* 800x600 @ 72 Hz, 48.0 kHz hsync */
82 { NULL, 72, 800, 600, 20000, 64, 56, 23, 37, 120, 6,
83 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
84 FB_VMODE_NONINTERLACED },
86 /* 1024x768 @ 60 Hz, 48.4 kHz hsync */
87 { NULL, 60, 1024, 768, 15384, 168, 8, 29, 3, 144, 6, 0,
88 FB_VMODE_NONINTERLACED },
90 /* 640x480 @ 100 Hz, 53.01 kHz hsync */
91 { NULL, 100, 640, 480, 21834, 96, 32, 36, 8, 96, 6, 0,
92 FB_VMODE_NONINTERLACED },
94 /* 1152x864 @ 60 Hz, 53.5 kHz hsync */
95 { NULL, 60, 1152, 864, 11123, 208, 64, 16, 4, 256, 8, 0,
96 FB_VMODE_NONINTERLACED },
98 /* 800x600 @ 85 Hz, 55.84 kHz hsync */
99 { NULL, 85, 800, 600, 16460, 160, 64, 36, 16, 64, 5, 0,
100 FB_VMODE_NONINTERLACED },
102 /* 1024x768 @ 70 Hz, 56.5 kHz hsync */
103 { NULL, 70, 1024, 768, 13333, 144, 24, 29, 3, 136, 6, 0,
104 FB_VMODE_NONINTERLACED },
106 /* 1280x1024 @ 87 Hz interlaced, 51 kHz hsync */
107 { NULL, 87, 1280, 1024, 12500, 56, 16, 128, 1, 216, 12, 0,
108 FB_VMODE_INTERLACED },
110 /* 800x600 @ 100 Hz, 64.02 kHz hsync */
111 { NULL, 100, 800, 600, 14357, 160, 64, 30, 4, 64, 6, 0,
112 FB_VMODE_NONINTERLACED },
114 /* 1024x768 @ 76 Hz, 62.5 kHz hsync */
115 { NULL, 76, 1024, 768, 11764, 208, 8, 36, 16, 120, 3, 0,
116 FB_VMODE_NONINTERLACED },
118 /* 1152x864 @ 70 Hz, 62.4 kHz hsync */
119 { NULL, 70, 1152, 864, 10869, 106, 56, 20, 1, 160, 10, 0,
120 FB_VMODE_NONINTERLACED },
122 /* 1280x1024 @ 61 Hz, 64.2 kHz hsync */
123 { NULL, 61, 1280, 1024, 9090, 200, 48, 26, 1, 184, 3, 0,
124 FB_VMODE_NONINTERLACED },
126 /* 1400x1050 @ 60Hz, 63.9 kHz hsync */
127 { NULL, 60, 1400, 1050, 9259, 136, 40, 13, 1, 112, 3, 0,
128 FB_VMODE_NONINTERLACED },
130 /* 1400x1050 @ 75,107 Hz, 82,392 kHz +hsync +vsync*/
131 { NULL, 75, 1400, 1050, 7190, 120, 56, 23, 10, 112, 13,
132 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
133 FB_VMODE_NONINTERLACED },
135 /* 1400x1050 @ 60 Hz, ? kHz +hsync +vsync*/
136 { NULL, 60, 1400, 1050, 9259, 128, 40, 12, 0, 112, 3,
137 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
138 FB_VMODE_NONINTERLACED },
140 /* 1024x768 @ 85 Hz, 70.24 kHz hsync */
141 { NULL, 85, 1024, 768, 10111, 192, 32, 34, 14, 160, 6, 0,
142 FB_VMODE_NONINTERLACED },
144 /* 1152x864 @ 78 Hz, 70.8 kHz hsync */
145 { NULL, 78, 1152, 864, 9090, 228, 88, 32, 0, 84, 12, 0,
146 FB_VMODE_NONINTERLACED },
148 /* 1280x1024 @ 70 Hz, 74.59 kHz hsync */
149 { NULL, 70, 1280, 1024, 7905, 224, 32, 28, 8, 160, 8, 0,
150 FB_VMODE_NONINTERLACED },
152 /* 1600x1200 @ 60Hz, 75.00 kHz hsync */
153 { NULL, 60, 1600, 1200, 6172, 304, 64, 46, 1, 192, 3,
154 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
155 FB_VMODE_NONINTERLACED },
157 /* 1152x864 @ 84 Hz, 76.0 kHz hsync */
158 { NULL, 84, 1152, 864, 7407, 184, 312, 32, 0, 128, 12, 0,
159 FB_VMODE_NONINTERLACED },
161 /* 1280x1024 @ 74 Hz, 78.85 kHz hsync */
162 { NULL, 74, 1280, 1024, 7407, 256, 32, 34, 3, 144, 3, 0,
163 FB_VMODE_NONINTERLACED },
165 /* 1024x768 @ 100Hz, 80.21 kHz hsync */
166 { NULL, 100, 1024, 768, 8658, 192, 32, 21, 3, 192, 10, 0,
167 FB_VMODE_NONINTERLACED },
169 /* 1280x1024 @ 76 Hz, 81.13 kHz hsync */
170 { NULL, 76, 1280, 1024, 7407, 248, 32, 34, 3, 104, 3, 0,
171 FB_VMODE_NONINTERLACED },
173 /* 1600x1200 @ 70 Hz, 87.50 kHz hsync */
174 { NULL, 70, 1600, 1200, 5291, 304, 64, 46, 1, 192, 3, 0,
175 FB_VMODE_NONINTERLACED },
177 /* 1152x864 @ 100 Hz, 89.62 kHz hsync */
178 { NULL, 100, 1152, 864, 7264, 224, 32, 17, 2, 128, 19, 0,
179 FB_VMODE_NONINTERLACED },
181 /* 1280x1024 @ 85 Hz, 91.15 kHz hsync */
182 { NULL, 85, 1280, 1024, 6349, 224, 64, 44, 1, 160, 3,
183 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
184 FB_VMODE_NONINTERLACED },
186 /* 1600x1200 @ 75 Hz, 93.75 kHz hsync */
187 { NULL, 75, 1600, 1200, 4938, 304, 64, 46, 1, 192, 3,
188 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
189 FB_VMODE_NONINTERLACED },
191 /* 1680x1050 @ 60 Hz, 65.191 kHz hsync */
192 { NULL, 60, 1680, 1050, 6848, 280, 104, 30, 3, 176, 6,
193 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
194 FB_VMODE_NONINTERLACED },
196 /* 1600x1200 @ 85 Hz, 105.77 kHz hsync */
197 { NULL, 85, 1600, 1200, 4545, 272, 16, 37, 4, 192, 3,
198 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
199 FB_VMODE_NONINTERLACED },
201 /* 1280x1024 @ 100 Hz, 107.16 kHz hsync */
202 { NULL, 100, 1280, 1024, 5502, 256, 32, 26, 7, 128, 15, 0,
203 FB_VMODE_NONINTERLACED },
205 /* 1800x1440 @ 64Hz, 96.15 kHz hsync */
206 { NULL, 64, 1800, 1440, 4347, 304, 96, 46, 1, 192, 3,
207 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
208 FB_VMODE_NONINTERLACED },
210 /* 1800x1440 @ 70Hz, 104.52 kHz hsync */
211 { NULL, 70, 1800, 1440, 4000, 304, 96, 46, 1, 192, 3,
212 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
213 FB_VMODE_NONINTERLACED },
215 /* 512x384 @ 78 Hz, 31.50 kHz hsync */
216 { NULL, 78, 512, 384, 49603, 48, 16, 16, 1, 64, 3, 0,
217 FB_VMODE_NONINTERLACED },
219 /* 512x384 @ 85 Hz, 34.38 kHz hsync */
220 { NULL, 85, 512, 384, 45454, 48, 16, 16, 1, 64, 3, 0,
221 FB_VMODE_NONINTERLACED },
223 /* 320x200 @ 70 Hz, 31.5 kHz hsync, 8:5 aspect ratio */
224 { NULL, 70, 320, 200, 79440, 16, 16, 20, 4, 48, 1, 0,
227 /* 320x240 @ 60 Hz, 31.5 kHz hsync, 4:3 aspect ratio */
228 { NULL, 60, 320, 240, 79440, 16, 16, 16, 5, 48, 1, 0,
231 /* 320x240 @ 72 Hz, 36.5 kHz hsync */
232 { NULL, 72, 320, 240, 63492, 16, 16, 16, 4, 48, 2, 0,
235 /* 400x300 @ 56 Hz, 35.2 kHz hsync, 4:3 aspect ratio */
236 { NULL, 56, 400, 300, 55555, 64, 16, 10, 1, 32, 1, 0,
239 /* 400x300 @ 60 Hz, 37.8 kHz hsync */
240 { NULL, 60, 400, 300, 50000, 48, 16, 11, 1, 64, 2, 0,
243 /* 400x300 @ 72 Hz, 48.0 kHz hsync */
244 { NULL, 72, 400, 300, 40000, 32, 24, 11, 19, 64, 3, 0,
247 /* 480x300 @ 56 Hz, 35.2 kHz hsync, 8:5 aspect ratio */
248 { NULL, 56, 480, 300, 46176, 80, 16, 10, 1, 40, 1, 0,
251 /* 480x300 @ 60 Hz, 37.8 kHz hsync */
252 { NULL, 60, 480, 300, 41858, 56, 16, 11, 1, 80, 2, 0,
255 /* 480x300 @ 63 Hz, 39.6 kHz hsync */
256 { NULL, 63, 480, 300, 40000, 56, 16, 11, 1, 80, 2, 0,
259 /* 480x300 @ 72 Hz, 48.0 kHz hsync */
260 { NULL, 72, 480, 300, 33386, 40, 24, 11, 19, 80, 3, 0,
263 /* 1920x1200 @ 60 Hz, 74.5 Khz hsync */
264 { NULL, 60, 1920, 1200, 5177, 128, 336, 1, 38, 208, 3,
265 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
266 FB_VMODE_NONINTERLACED },
268 /* 1152x768, 60 Hz, PowerBook G4 Titanium I and II */
269 { NULL, 60, 1152, 768, 14047, 158, 26, 29, 3, 136, 6,
270 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
271 FB_VMODE_NONINTERLACED },
273 /* 1366x768, 60 Hz, 47.403 kHz hsync, WXGA 16:9 aspect ratio */
274 { NULL, 60, 1366, 768, 13806, 120, 10, 14, 3, 32, 5, 0,
275 FB_VMODE_NONINTERLACED },
277 /* 1280x800, 60 Hz, 47.403 kHz hsync, WXGA 16:10 aspect ratio */
278 { NULL, 60, 1280, 800, 12048, 200, 64, 24, 1, 136, 3, 0,
279 FB_VMODE_NONINTERLACED },
281 /* 720x576i @ 50 Hz, 15.625 kHz hsync (PAL RGB) */
282 { NULL, 50, 720, 576, 74074, 64, 16, 39, 5, 64, 5, 0,
283 FB_VMODE_INTERLACED },
285 /* 800x520i @ 50 Hz, 15.625 kHz hsync (PAL RGB) */
286 { NULL, 50, 800, 520, 58823, 144, 64, 72, 28, 80, 5, 0,
287 FB_VMODE_INTERLACED },
289 /* 864x480 @ 60 Hz, 35.15 kHz hsync */
290 { NULL, 60, 864, 480, 27777, 1, 1, 1, 1, 0, 0,
291 0, FB_VMODE_NONINTERLACED },
294 #ifdef CONFIG_FB_MODE_HELPERS
295 const struct fb_videomode cea_modes[64] = {
296 /* #1: 640x480p@59.94/60Hz */
298 NULL, 60, 640, 480, 39722, 48, 16, 33, 10, 96, 2, 0,
299 FB_VMODE_NONINTERLACED, 0,
301 /* #3: 720x480p@59.94/60Hz */
303 NULL, 60, 720, 480, 37037, 60, 16, 30, 9, 62, 6, 0,
304 FB_VMODE_NONINTERLACED, 0,
306 /* #5: 1920x1080i@59.94/60Hz */
308 NULL, 60, 1920, 1080, 13763, 148, 88, 15, 2, 44, 5,
309 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
310 FB_VMODE_INTERLACED, 0,
312 /* #7: 720(1440)x480iH@59.94/60Hz */
314 NULL, 60, 1440, 480, 18554/*37108*/, 114, 38, 15, 4, 124, 3, 0,
315 FB_VMODE_INTERLACED, 0,
317 /* #9: 720(1440)x240pH@59.94/60Hz */
319 NULL, 60, 1440, 240, 18554, 114, 38, 16, 4, 124, 3, 0,
320 FB_VMODE_NONINTERLACED, 0,
322 /* #18: 720x576pH@50Hz */
324 NULL, 50, 720, 576, 37037, 68, 12, 39, 5, 64, 5, 0,
325 FB_VMODE_NONINTERLACED, 0,
327 /* #19: 1280x720p@50Hz */
329 NULL, 50, 1280, 720, 13468, 220, 440, 20, 5, 40, 5,
330 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
331 FB_VMODE_NONINTERLACED, 0,
333 /* #20: 1920x1080i@50Hz */
335 NULL, 50, 1920, 1080, 13480, 148, 528, 15, 5, 528, 5,
336 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
337 FB_VMODE_INTERLACED, 0,
339 /* #32: 1920x1080p@23.98/24Hz */
341 NULL, 24, 1920, 1080, 13468, 148, 638, 36, 4, 44, 5,
342 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
343 FB_VMODE_NONINTERLACED, 0,
345 /* #35: (2880)x480p4x@59.94/60Hz */
347 NULL, 60, 2880, 480, 9250, 240, 64, 30, 9, 248, 6, 0,
348 FB_VMODE_NONINTERLACED, 0,
352 const struct fb_videomode vesa_modes[] = {
353 /* 0 640x350-85 VESA */
354 { NULL, 85, 640, 350, 31746, 96, 32, 60, 32, 64, 3,
355 FB_SYNC_HOR_HIGH_ACT, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA},
356 /* 1 640x400-85 VESA */
357 { NULL, 85, 640, 400, 31746, 96, 32, 41, 01, 64, 3,
358 FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
359 /* 2 720x400-85 VESA */
360 { NULL, 85, 721, 400, 28169, 108, 36, 42, 01, 72, 3,
361 FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
362 /* 3 640x480-60 VESA */
363 { NULL, 60, 640, 480, 39682, 48, 16, 33, 10, 96, 2,
364 0, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
365 /* 4 640x480-72 VESA */
366 { NULL, 72, 640, 480, 31746, 128, 24, 29, 9, 40, 2,
367 0, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
368 /* 5 640x480-75 VESA */
369 { NULL, 75, 640, 480, 31746, 120, 16, 16, 01, 64, 3,
370 0, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
371 /* 6 640x480-85 VESA */
372 { NULL, 85, 640, 480, 27777, 80, 56, 25, 01, 56, 3,
373 0, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
374 /* 7 800x600-56 VESA */
375 { NULL, 56, 800, 600, 27777, 128, 24, 22, 01, 72, 2,
376 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
377 FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
378 /* 8 800x600-60 VESA */
379 { NULL, 60, 800, 600, 25000, 88, 40, 23, 01, 128, 4,
380 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
381 FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
382 /* 9 800x600-72 VESA */
383 { NULL, 72, 800, 600, 20000, 64, 56, 23, 37, 120, 6,
384 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
385 FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
386 /* 10 800x600-75 VESA */
387 { NULL, 75, 800, 600, 20202, 160, 16, 21, 01, 80, 3,
388 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
389 FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
390 /* 11 800x600-85 VESA */
391 { NULL, 85, 800, 600, 17761, 152, 32, 27, 01, 64, 3,
392 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
393 FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
394 /* 12 1024x768i-43 VESA */
395 { NULL, 43, 1024, 768, 22271, 56, 8, 41, 0, 176, 8,
396 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
397 FB_VMODE_INTERLACED, FB_MODE_IS_VESA },
398 /* 13 1024x768-60 VESA */
399 { NULL, 60, 1024, 768, 15384, 160, 24, 29, 3, 136, 6,
400 0, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
401 /* 14 1024x768-70 VESA */
402 { NULL, 70, 1024, 768, 13333, 144, 24, 29, 3, 136, 6,
403 0, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
404 /* 15 1024x768-75 VESA */
405 { NULL, 75, 1024, 768, 12690, 176, 16, 28, 1, 96, 3,
406 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
407 FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
408 /* 16 1024x768-85 VESA */
409 { NULL, 85, 1024, 768, 10582, 208, 48, 36, 1, 96, 3,
410 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
411 FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
412 /* 17 1152x864-75 VESA */
413 { NULL, 75, 1152, 864, 9259, 256, 64, 32, 1, 128, 3,
414 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
415 FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
416 /* 18 1280x960-60 VESA */
417 { NULL, 60, 1280, 960, 9259, 312, 96, 36, 1, 112, 3,
418 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
419 FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
420 /* 19 1280x960-85 VESA */
421 { NULL, 85, 1280, 960, 6734, 224, 64, 47, 1, 160, 3,
422 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
423 FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
424 /* 20 1280x1024-60 VESA */
425 { NULL, 60, 1280, 1024, 9259, 248, 48, 38, 1, 112, 3,
426 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
427 FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
428 /* 21 1280x1024-75 VESA */
429 { NULL, 75, 1280, 1024, 7407, 248, 16, 38, 1, 144, 3,
430 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
431 FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
432 /* 22 1280x1024-85 VESA */
433 { NULL, 85, 1280, 1024, 6349, 224, 64, 44, 1, 160, 3,
434 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
435 FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
436 /* 23 1600x1200-60 VESA */
437 { NULL, 60, 1600, 1200, 6172, 304, 64, 46, 1, 192, 3,
438 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
439 FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
440 /* 24 1600x1200-65 VESA */
441 { NULL, 65, 1600, 1200, 5698, 304, 64, 46, 1, 192, 3,
442 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
443 FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
444 /* 25 1600x1200-70 VESA */
445 { NULL, 70, 1600, 1200, 5291, 304, 64, 46, 1, 192, 3,
446 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
447 FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
448 /* 26 1600x1200-75 VESA */
449 { NULL, 75, 1600, 1200, 4938, 304, 64, 46, 1, 192, 3,
450 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
451 FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
452 /* 27 1600x1200-85 VESA */
453 { NULL, 85, 1600, 1200, 4357, 304, 64, 46, 1, 192, 3,
454 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
455 FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
456 /* 28 1792x1344-60 VESA */
457 { NULL, 60, 1792, 1344, 4882, 328, 128, 46, 1, 200, 3,
458 FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
459 /* 29 1792x1344-75 VESA */
460 { NULL, 75, 1792, 1344, 3831, 352, 96, 69, 1, 216, 3,
461 FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
462 /* 30 1856x1392-60 VESA */
463 { NULL, 60, 1856, 1392, 4580, 352, 96, 43, 1, 224, 3,
464 FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
465 /* 31 1856x1392-75 VESA */
466 { NULL, 75, 1856, 1392, 3472, 352, 128, 104, 1, 224, 3,
467 FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
468 /* 32 1920x1440-60 VESA */
469 { NULL, 60, 1920, 1440, 4273, 344, 128, 56, 1, 200, 3,
470 FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
471 /* 33 1920x1440-75 VESA */
472 { NULL, 75, 1920, 1440, 3367, 352, 144, 56, 1, 224, 3,
473 FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
474 /* 34 1920x1200-60 RB VESA */
475 { NULL, 60, 1920, 1200, 6493, 80, 48, 26, 3, 32, 6,
476 FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
477 /* 35 1920x1200-60 VESA */
478 { NULL, 60, 1920, 1200, 5174, 336, 136, 36, 3, 200, 6,
479 FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
480 /* 36 1920x1200-75 VESA */
481 { NULL, 75, 1920, 1200, 4077, 344, 136, 46, 3, 208, 6,
482 FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
483 /* 37 1920x1200-85 VESA */
484 { NULL, 85, 1920, 1200, 3555, 352, 144, 53, 3, 208, 6,
485 FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
486 /* 38 2560x1600-60 RB VESA */
487 { NULL, 60, 2560, 1600, 3724, 80, 48, 37, 3, 32, 6,
488 FB_SYNC_HOR_HIGH_ACT, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
489 /* 39 2560x1600-60 VESA */
490 { NULL, 60, 2560, 1600, 2869, 472, 192, 49, 3, 280, 6,
491 FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
492 /* 40 2560x1600-75 VESA */
493 { NULL, 75, 2560, 1600, 2256, 488, 208, 63, 3, 280, 6,
494 FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
495 /* 41 2560x1600-85 VESA */
496 { NULL, 85, 2560, 1600, 1979, 488, 208, 73, 3, 280, 6,
497 FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
498 /* 42 2560x1600-120 RB VESA */
499 { NULL, 120, 2560, 1600, 1809, 80, 48, 85, 3, 32, 6,
500 FB_SYNC_HOR_HIGH_ACT, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
501 /* 43 1360x768-60 VESA */
502 { NULL, 60, 1360, 768, 11695, 256, 64, 18, 3, 112, 6,
503 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
504 FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
505 /* 44 1366x768-60 VESA */
506 { NULL, 60, 1366, 768, 11695, 213, 70, 24, 3, 143, 3,
507 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
508 FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
509 /* 45 1440x900-60 VESA */
510 { NULL, 60, 1440, 900, 9389, 232, 80, 25, 3, 152, 6,
511 FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
512 /* 46 1600x900-60 VESA */
513 { NULL, 60, 1600, 900, 9259, 96, 24, 96, 1, 80, 3,
514 FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
515 /* 47 1680x1050-60 VESA */
516 { NULL, 60, 1680, 1050, 6837, 280, 104, 30, 3, 176, 6,
517 FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
519 EXPORT_SYMBOL(vesa_modes);
520 #endif /* CONFIG_FB_MODE_HELPERS */
523 * fb_try_mode - test a video mode
524 * @var: frame buffer user defined part of display
525 * @info: frame buffer info structure
526 * @mode: frame buffer video mode structure
527 * @bpp: color depth in bits per pixel
529 * Tries a video mode to test it's validity for device @info.
531 * Returns 1 on success.
535 static int fb_try_mode(struct fb_var_screeninfo *var, struct fb_info *info,
536 const struct fb_videomode *mode, unsigned int bpp)
540 DPRINTK("Trying mode %s %dx%d-%d@%d\n",
541 mode->name ? mode->name : "noname",
542 mode->xres, mode->yres, bpp, mode->refresh);
543 var->xres = mode->xres;
544 var->yres = mode->yres;
545 var->xres_virtual = mode->xres;
546 var->yres_virtual = mode->yres;
549 var->bits_per_pixel = bpp;
550 var->activate |= FB_ACTIVATE_TEST;
551 var->pixclock = mode->pixclock;
552 var->left_margin = mode->left_margin;
553 var->right_margin = mode->right_margin;
554 var->upper_margin = mode->upper_margin;
555 var->lower_margin = mode->lower_margin;
556 var->hsync_len = mode->hsync_len;
557 var->vsync_len = mode->vsync_len;
558 var->sync = mode->sync;
559 var->vmode = mode->vmode;
560 if (info->fbops->fb_check_var)
561 err = info->fbops->fb_check_var(var, info);
562 var->activate &= ~FB_ACTIVATE_TEST;
567 * fb_find_mode - finds a valid video mode
568 * @var: frame buffer user defined part of display
569 * @info: frame buffer info structure
570 * @mode_option: string video mode to find
571 * @db: video mode database
572 * @dbsize: size of @db
573 * @default_mode: default video mode to fall back to
574 * @default_bpp: default color depth in bits per pixel
576 * Finds a suitable video mode, starting with the specified mode
577 * in @mode_option with fallback to @default_mode. If
578 * @default_mode fails, all modes in the video mode database will
581 * Valid mode specifiers for @mode_option:
583 * <xres>x<yres>[M][R][-<bpp>][@<refresh>][i][m] or
584 * <name>[-<bpp>][@<refresh>]
586 * with <xres>, <yres>, <bpp> and <refresh> decimal numbers and
589 * If 'M' is present after yres (and before refresh/bpp if present),
590 * the function will compute the timings using VESA(tm) Coordinated
591 * Video Timings (CVT). If 'R' is present after 'M', will compute with
592 * reduced blanking (for flatpanels). If 'i' is present, compute
593 * interlaced mode. If 'm' is present, add margins equal to 1.8%
594 * of xres rounded down to 8 pixels, and 1.8% of yres. The char
595 * 'i' and 'm' must be after 'M' and 'R'. Example:
597 * 1024x768MR-8@60m - Reduced blank with margins at 60Hz.
599 * NOTE: The passed struct @var is _not_ cleared! This allows you
600 * to supply values for e.g. the grayscale and accel_flags fields.
602 * Returns zero for failure, 1 if using specified @mode_option,
603 * 2 if using specified @mode_option with an ignored refresh rate,
604 * 3 if default mode is used, 4 if fall back to any valid mode.
608 int fb_find_mode(struct fb_var_screeninfo *var,
609 struct fb_info *info, const char *mode_option,
610 const struct fb_videomode *db, unsigned int dbsize,
611 const struct fb_videomode *default_mode,
612 unsigned int default_bpp)
616 /* Set up defaults */
619 dbsize = ARRAY_SIZE(modedb);
623 default_mode = &db[0];
628 /* Did the user specify a video mode? */
630 mode_option = fb_mode_option;
632 const char *name = mode_option;
633 unsigned int namelen = strlen(name);
634 int res_specified = 0, bpp_specified = 0, refresh_specified = 0;
635 unsigned int xres = 0, yres = 0, bpp = default_bpp, refresh = 0;
636 int yres_specified = 0, cvt = 0, rb = 0, interlace = 0;
638 u32 best, diff, tdiff;
640 for (i = namelen-1; i >= 0; i--) {
644 if (!refresh_specified && !bpp_specified &&
646 refresh = simple_strtol(&name[i+1], NULL,
648 refresh_specified = 1;
656 if (!bpp_specified && !yres_specified) {
657 bpp = simple_strtol(&name[i+1], NULL,
666 if (!yres_specified) {
667 yres = simple_strtol(&name[i+1], NULL,
695 if (i < 0 && yres_specified) {
696 xres = simple_strtol(name, NULL, 10);
701 struct fb_videomode cvt_mode;
704 DPRINTK("CVT mode %dx%d@%dHz%s%s%s\n", xres, yres,
705 (refresh) ? refresh : 60,
706 (rb) ? " reduced blanking" : "",
707 (margins) ? " with margins" : "",
708 (interlace) ? " interlaced" : "");
710 memset(&cvt_mode, 0, sizeof(cvt_mode));
711 cvt_mode.xres = xres;
712 cvt_mode.yres = yres;
713 cvt_mode.refresh = (refresh) ? refresh : 60;
716 cvt_mode.vmode |= FB_VMODE_INTERLACED;
718 cvt_mode.vmode &= ~FB_VMODE_INTERLACED;
720 ret = fb_find_mode_cvt(&cvt_mode, margins, rb);
722 if (!ret && !fb_try_mode(var, info, &cvt_mode, bpp)) {
723 DPRINTK("modedb CVT: CVT mode ok\n");
727 DPRINTK("CVT mode invalid, getting mode from database\n");
730 DPRINTK("Trying specified video mode%s %ix%i\n",
731 refresh_specified ? "" : " (ignoring refresh rate)",
734 if (!refresh_specified) {
736 * If the caller has provided a custom mode database and
737 * a valid monspecs structure, we look for the mode with
738 * the highest refresh rate. Otherwise we play it safe
739 * it and try to find a mode with a refresh rate closest
740 * to the standard 60 Hz.
743 info->monspecs.vfmin && info->monspecs.vfmax &&
744 info->monspecs.hfmin && info->monspecs.hfmax &&
745 info->monspecs.dclkmax) {
754 for (i = 0; i < dbsize; i++) {
755 if ((name_matches(db[i], name, namelen) ||
756 (res_specified && res_matches(db[i], xres, yres))) &&
757 !fb_try_mode(var, info, &db[i], bpp)) {
758 if (refresh_specified && db[i].refresh == refresh)
761 if (abs(db[i].refresh - refresh) < diff) {
762 diff = abs(db[i].refresh - refresh);
768 fb_try_mode(var, info, &db[best], bpp);
769 return (refresh_specified) ? 2 : 1;
772 diff = 2 * (xres + yres);
774 DPRINTK("Trying best-fit modes\n");
775 for (i = 0; i < dbsize; i++) {
776 DPRINTK("Trying %ix%i\n", db[i].xres, db[i].yres);
777 if (!fb_try_mode(var, info, &db[i], bpp)) {
778 tdiff = abs(db[i].xres - xres) +
779 abs(db[i].yres - yres);
782 * Penalize modes with resolutions smaller
785 if (xres > db[i].xres || yres > db[i].yres)
786 tdiff += xres + yres;
795 fb_try_mode(var, info, &db[best], bpp);
800 DPRINTK("Trying default video mode\n");
801 if (!fb_try_mode(var, info, default_mode, default_bpp))
804 DPRINTK("Trying all modes\n");
805 for (i = 0; i < dbsize; i++)
806 if (!fb_try_mode(var, info, &db[i], default_bpp))
809 DPRINTK("No valid mode found\n");
814 * fb_var_to_videomode - convert fb_var_screeninfo to fb_videomode
815 * @mode: pointer to struct fb_videomode
816 * @var: pointer to struct fb_var_screeninfo
818 void fb_var_to_videomode(struct fb_videomode *mode,
819 const struct fb_var_screeninfo *var)
821 u32 pixclock, hfreq, htotal, vtotal;
824 mode->xres = var->xres;
825 mode->yres = var->yres;
826 mode->pixclock = var->pixclock;
827 mode->hsync_len = var->hsync_len;
828 mode->vsync_len = var->vsync_len;
829 mode->left_margin = var->left_margin;
830 mode->right_margin = var->right_margin;
831 mode->upper_margin = var->upper_margin;
832 mode->lower_margin = var->lower_margin;
833 mode->sync = var->sync;
834 mode->vmode = var->vmode & FB_VMODE_MASK;
835 mode->flag = FB_MODE_IS_FROM_VAR;
841 pixclock = PICOS2KHZ(var->pixclock) * 1000;
843 htotal = var->xres + var->right_margin + var->hsync_len +
845 vtotal = var->yres + var->lower_margin + var->vsync_len +
848 if (var->vmode & FB_VMODE_INTERLACED)
850 if (var->vmode & FB_VMODE_DOUBLE)
853 hfreq = pixclock/htotal;
854 mode->refresh = hfreq/vtotal;
858 * fb_videomode_to_var - convert fb_videomode to fb_var_screeninfo
859 * @var: pointer to struct fb_var_screeninfo
860 * @mode: pointer to struct fb_videomode
862 void fb_videomode_to_var(struct fb_var_screeninfo *var,
863 const struct fb_videomode *mode)
865 var->xres = mode->xres;
866 var->yres = mode->yres;
867 var->xres_virtual = mode->xres;
868 var->yres_virtual = mode->yres;
871 var->pixclock = mode->pixclock;
872 var->left_margin = mode->left_margin;
873 var->right_margin = mode->right_margin;
874 var->upper_margin = mode->upper_margin;
875 var->lower_margin = mode->lower_margin;
876 var->hsync_len = mode->hsync_len;
877 var->vsync_len = mode->vsync_len;
878 var->sync = mode->sync;
879 var->vmode = mode->vmode & FB_VMODE_MASK;
883 * fb_mode_is_equal - compare 2 videomodes
884 * @mode1: first videomode
885 * @mode2: second videomode
888 * 1 if equal, 0 if not
890 int fb_mode_is_equal(const struct fb_videomode *mode1,
891 const struct fb_videomode *mode2)
893 return (mode1->xres == mode2->xres &&
894 mode1->yres == mode2->yres &&
895 mode1->pixclock == mode2->pixclock &&
896 mode1->hsync_len == mode2->hsync_len &&
897 mode1->vsync_len == mode2->vsync_len &&
898 mode1->left_margin == mode2->left_margin &&
899 mode1->right_margin == mode2->right_margin &&
900 mode1->upper_margin == mode2->upper_margin &&
901 mode1->lower_margin == mode2->lower_margin &&
902 mode1->sync == mode2->sync &&
903 mode1->vmode == mode2->vmode);
907 * fb_find_best_mode - find best matching videomode
908 * @var: pointer to struct fb_var_screeninfo
909 * @head: pointer to struct list_head of modelist
912 * struct fb_videomode, NULL if none found
915 * This function assumes that all modelist entries in
916 * info->modelist are valid.
919 * Finds best matching videomode which has an equal or greater dimension than
920 * var->xres and var->yres. If more than 1 videomode is found, will return
921 * the videomode with the highest refresh rate
923 const struct fb_videomode *fb_find_best_mode(const struct fb_var_screeninfo *var,
924 struct list_head *head)
926 struct list_head *pos;
927 struct fb_modelist *modelist;
928 struct fb_videomode *mode, *best = NULL;
931 list_for_each(pos, head) {
934 modelist = list_entry(pos, struct fb_modelist, list);
935 mode = &modelist->mode;
937 if (mode->xres >= var->xres && mode->yres >= var->yres) {
938 d = (mode->xres - var->xres) +
939 (mode->yres - var->yres);
943 } else if (diff == d && best &&
944 mode->refresh > best->refresh)
952 * fb_find_nearest_mode - find closest videomode
954 * @mode: pointer to struct fb_videomode
955 * @head: pointer to modelist
957 * Finds best matching videomode, smaller or greater in dimension.
958 * If more than 1 videomode is found, will return the videomode with
959 * the closest refresh rate.
961 const struct fb_videomode *fb_find_nearest_mode(const struct fb_videomode *mode,
962 struct list_head *head)
964 struct list_head *pos;
965 struct fb_modelist *modelist;
966 struct fb_videomode *cmode, *best = NULL;
967 u32 diff = -1, diff_refresh = -1;
969 list_for_each(pos, head) {
972 modelist = list_entry(pos, struct fb_modelist, list);
973 cmode = &modelist->mode;
975 d = abs(cmode->xres - mode->xres) +
976 abs(cmode->yres - mode->yres);
979 diff_refresh = abs(cmode->refresh - mode->refresh);
981 } else if (diff == d) {
982 d = abs(cmode->refresh - mode->refresh);
983 if (diff_refresh > d) {
994 * fb_match_mode - find a videomode which exactly matches the timings in var
995 * @var: pointer to struct fb_var_screeninfo
996 * @head: pointer to struct list_head of modelist
999 * struct fb_videomode, NULL if none found
1001 const struct fb_videomode *fb_match_mode(const struct fb_var_screeninfo *var,
1002 struct list_head *head)
1004 struct list_head *pos;
1005 struct fb_modelist *modelist;
1006 struct fb_videomode *m, mode;
1008 fb_var_to_videomode(&mode, var);
1009 list_for_each(pos, head) {
1010 modelist = list_entry(pos, struct fb_modelist, list);
1011 m = &modelist->mode;
1012 if (fb_mode_is_equal(m, &mode))
1019 * fb_add_videomode - adds videomode entry to modelist
1020 * @mode: videomode to add
1021 * @head: struct list_head of modelist
1024 * Will only add unmatched mode entries
1026 int fb_add_videomode(const struct fb_videomode *mode, struct list_head *head)
1028 struct list_head *pos;
1029 struct fb_modelist *modelist;
1030 struct fb_videomode *m;
1033 list_for_each(pos, head) {
1034 modelist = list_entry(pos, struct fb_modelist, list);
1035 m = &modelist->mode;
1036 if (fb_mode_is_equal(m, mode)) {
1042 modelist = kmalloc(sizeof(struct fb_modelist),
1047 modelist->mode = *mode;
1048 list_add(&modelist->list, head);
1054 * fb_delete_videomode - removed videomode entry from modelist
1055 * @mode: videomode to remove
1056 * @head: struct list_head of modelist
1059 * Will remove all matching mode entries
1061 void fb_delete_videomode(const struct fb_videomode *mode,
1062 struct list_head *head)
1064 struct list_head *pos, *n;
1065 struct fb_modelist *modelist;
1066 struct fb_videomode *m;
1068 list_for_each_safe(pos, n, head) {
1069 modelist = list_entry(pos, struct fb_modelist, list);
1070 m = &modelist->mode;
1071 if (fb_mode_is_equal(m, mode)) {
1079 * fb_destroy_modelist - destroy modelist
1080 * @head: struct list_head of modelist
1082 void fb_destroy_modelist(struct list_head *head)
1084 struct list_head *pos, *n;
1086 list_for_each_safe(pos, n, head) {
1091 EXPORT_SYMBOL_GPL(fb_destroy_modelist);
1094 * fb_videomode_to_modelist - convert mode array to mode list
1095 * @modedb: array of struct fb_videomode
1096 * @num: number of entries in array
1097 * @head: struct list_head of modelist
1099 void fb_videomode_to_modelist(const struct fb_videomode *modedb, int num,
1100 struct list_head *head)
1104 INIT_LIST_HEAD(head);
1106 for (i = 0; i < num; i++) {
1107 if (fb_add_videomode(&modedb[i], head))
1112 const struct fb_videomode *fb_find_best_display(const struct fb_monspecs *specs,
1113 struct list_head *head)
1115 struct list_head *pos;
1116 struct fb_modelist *modelist;
1117 const struct fb_videomode *m, *m1 = NULL, *md = NULL, *best = NULL;
1120 if (!head->prev || !head->next || list_empty(head))
1123 /* get the first detailed mode and the very first mode */
1124 list_for_each(pos, head) {
1125 modelist = list_entry(pos, struct fb_modelist, list);
1126 m = &modelist->mode;
1133 if (m->flag & FB_MODE_IS_FIRST) {
1139 /* first detailed timing is preferred */
1140 if (specs->misc & FB_MISC_1ST_DETAIL) {
1145 /* find best mode based on display width and height */
1146 if (specs->max_x && specs->max_y) {
1147 struct fb_var_screeninfo var;
1149 memset(&var, 0, sizeof(struct fb_var_screeninfo));
1150 var.xres = (specs->max_x * 7200)/254;
1151 var.yres = (specs->max_y * 7200)/254;
1152 m = fb_find_best_mode(&var, head);
1159 /* use first detailed mode */
1165 /* last resort, use the very first mode */
1170 EXPORT_SYMBOL(fb_find_best_display);
1172 EXPORT_SYMBOL(fb_videomode_to_var);
1173 EXPORT_SYMBOL(fb_var_to_videomode);
1174 EXPORT_SYMBOL(fb_mode_is_equal);
1175 EXPORT_SYMBOL(fb_add_videomode);
1176 EXPORT_SYMBOL(fb_match_mode);
1177 EXPORT_SYMBOL(fb_find_best_mode);
1178 EXPORT_SYMBOL(fb_find_nearest_mode);
1179 EXPORT_SYMBOL(fb_videomode_to_modelist);
1180 EXPORT_SYMBOL(fb_find_mode);
1181 EXPORT_SYMBOL(fb_find_mode_cvt);