diff options
author | Florian Tobias Schandinat <FlorianSchandinat@gmx.de> | 2011-03-10 01:13:32 +0300 |
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committer | Florian Tobias Schandinat <FlorianSchandinat@gmx.de> | 2011-03-12 13:21:54 +0300 |
commit | f5b1c4b3b6d407ec5a9d93ca12738c4c7911000c (patch) | |
tree | c7c5ab11ee8a8c8be3a955b858483f752070abf4 /drivers/video/via | |
parent | 23e5abd5555b86fd56af6383e7a832b0cf2a2d95 (diff) | |
download | linux-f5b1c4b3b6d407ec5a9d93ca12738c4c7911000c.tar.xz |
viafb: remove duplicated clock information
This patch removes the direct lookup table for resolution+refresh and
pixclock by calculating this information from the mode table. Removes a
lot of dupllication and error potential by just doing a little more
calculations on each mode change.
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Diffstat (limited to 'drivers/video/via')
-rw-r--r-- | drivers/video/via/hw.c | 50 | ||||
-rw-r--r-- | drivers/video/via/share.h | 69 | ||||
-rw-r--r-- | drivers/video/via/viamode.c | 67 | ||||
-rw-r--r-- | drivers/video/via/viamode.h | 9 |
4 files changed, 29 insertions, 166 deletions
diff --git a/drivers/video/via/hw.c b/drivers/video/via/hw.c index 9ecf48620d02..8c1393e49b0a 100644 --- a/drivers/video/via/hw.c +++ b/drivers/video/via/hw.c @@ -2608,35 +2608,43 @@ int viafb_setmode(struct VideoModeTable *vmode_tbl, int video_bpp, int viafb_get_pixclock(int hres, int vres, int vmode_refresh) { int i; + struct crt_mode_table *best; + struct VideoModeTable *vmode = viafb_get_mode(hres, vres); - for (i = 0; i < NUM_TOTAL_RES_MAP_REFRESH; i++) { - if ((hres == res_map_refresh_tbl[i].hres) - && (vres == res_map_refresh_tbl[i].vres) - && (vmode_refresh == res_map_refresh_tbl[i].vmode_refresh)) - return res_map_refresh_tbl[i].pixclock; + if (!vmode) + return RES_640X480_60HZ_PIXCLOCK; + + best = &vmode->crtc[0]; + for (i = 1; i < vmode->mode_array; i++) { + if (abs(vmode->crtc[i].refresh_rate - vmode_refresh) + < abs(best->refresh_rate - vmode_refresh)) + best = &vmode->crtc[i]; } - return RES_640X480_60HZ_PIXCLOCK; + return 1000000000 / (best->crtc.hor_total * best->crtc.ver_total) + * 1000 / best->refresh_rate; } int viafb_get_refresh(int hres, int vres, u32 long_refresh) { -#define REFRESH_TOLERANCE 3 - int i, nearest = -1, diff = REFRESH_TOLERANCE; - for (i = 0; i < NUM_TOTAL_RES_MAP_REFRESH; i++) { - if ((hres == res_map_refresh_tbl[i].hres) - && (vres == res_map_refresh_tbl[i].vres) - && (diff > (abs(long_refresh - - res_map_refresh_tbl[i].vmode_refresh)))) { - diff = abs(long_refresh - res_map_refresh_tbl[i]. - vmode_refresh); - nearest = i; - } + int i; + struct crt_mode_table *best; + struct VideoModeTable *vmode = viafb_get_mode(hres, vres); + + if (!vmode) + return 60; + + best = &vmode->crtc[0]; + for (i = 1; i < vmode->mode_array; i++) { + if (abs(vmode->crtc[i].refresh_rate - long_refresh) + < abs(best->refresh_rate - long_refresh)) + best = &vmode->crtc[i]; } -#undef REFRESH_TOLERANCE - if (nearest > 0) - return res_map_refresh_tbl[nearest].vmode_refresh; - return 60; + + if (abs(best->refresh_rate - long_refresh) > 3) + return 60; + + return best->refresh_rate; } static void device_off(void) diff --git a/drivers/video/via/share.h b/drivers/video/via/share.h index 2cbe1031b421..b04c047d44f8 100644 --- a/drivers/video/via/share.h +++ b/drivers/video/via/share.h @@ -722,76 +722,7 @@ /* Definition Video Mode Pixel Clock (picoseconds) */ -#define RES_480X640_60HZ_PIXCLOCK 39722 #define RES_640X480_60HZ_PIXCLOCK 39722 -#define RES_640X480_75HZ_PIXCLOCK 31747 -#define RES_640X480_85HZ_PIXCLOCK 27777 -#define RES_640X480_100HZ_PIXCLOCK 23168 -#define RES_640X480_120HZ_PIXCLOCK 19081 -#define RES_720X480_60HZ_PIXCLOCK 37020 -#define RES_720X576_60HZ_PIXCLOCK 30611 -#define RES_800X600_60HZ_PIXCLOCK 25000 -#define RES_800X600_75HZ_PIXCLOCK 20203 -#define RES_800X600_85HZ_PIXCLOCK 17777 -#define RES_800X600_100HZ_PIXCLOCK 14667 -#define RES_800X600_120HZ_PIXCLOCK 11912 -#define RES_800X480_60HZ_PIXCLOCK 33805 -#define RES_848X480_60HZ_PIXCLOCK 31756 -#define RES_856X480_60HZ_PIXCLOCK 31518 -#define RES_1024X512_60HZ_PIXCLOCK 24218 -#define RES_1024X600_60HZ_PIXCLOCK 20460 -#define RES_1024X768_60HZ_PIXCLOCK 15385 -#define RES_1024X768_75HZ_PIXCLOCK 12699 -#define RES_1024X768_85HZ_PIXCLOCK 10582 -#define RES_1024X768_100HZ_PIXCLOCK 8825 -#define RES_1152X864_75HZ_PIXCLOCK 9259 -#define RES_1280X768_60HZ_PIXCLOCK 12480 -#define RES_1280X800_60HZ_PIXCLOCK 11994 -#define RES_1280X960_60HZ_PIXCLOCK 9259 -#define RES_1280X1024_60HZ_PIXCLOCK 9260 -#define RES_1280X1024_75HZ_PIXCLOCK 7408 -#define RES_1280X768_85HZ_PIXCLOCK 6349 -#define RES_1440X1050_60HZ_PIXCLOCK 7993 -#define RES_1600X1200_60HZ_PIXCLOCK 6172 -#define RES_1600X1200_75HZ_PIXCLOCK 4938 -#define RES_1280X720_60HZ_PIXCLOCK 13426 -#define RES_1200X900_60HZ_PIXCLOCK 17459 -#define RES_1920X1080_60HZ_PIXCLOCK 5787 -#define RES_1400X1050_60HZ_PIXCLOCK 8214 -#define RES_1400X1050_75HZ_PIXCLOCK 6410 -#define RES_1368X768_60HZ_PIXCLOCK 11647 -#define RES_960X600_60HZ_PIXCLOCK 22099 -#define RES_1000X600_60HZ_PIXCLOCK 20834 -#define RES_1024X576_60HZ_PIXCLOCK 21278 -#define RES_1088X612_60HZ_PIXCLOCK 18877 -#define RES_1152X720_60HZ_PIXCLOCK 14981 -#define RES_1200X720_60HZ_PIXCLOCK 14253 -#define RES_1280X600_60HZ_PIXCLOCK 16260 -#define RES_1280X720_50HZ_PIXCLOCK 16538 -#define RES_1280X768_50HZ_PIXCLOCK 15342 -#define RES_1366X768_50HZ_PIXCLOCK 14301 -#define RES_1366X768_60HZ_PIXCLOCK 11646 -#define RES_1360X768_60HZ_PIXCLOCK 11799 -#define RES_1440X900_60HZ_PIXCLOCK 9390 -#define RES_1440X900_75HZ_PIXCLOCK 7315 -#define RES_1600X900_60HZ_PIXCLOCK 8415 -#define RES_1600X1024_60HZ_PIXCLOCK 7315 -#define RES_1680X1050_60HZ_PIXCLOCK 6814 -#define RES_1680X1050_75HZ_PIXCLOCK 5348 -#define RES_1792X1344_60HZ_PIXCLOCK 4902 -#define RES_1856X1392_60HZ_PIXCLOCK 4577 -#define RES_1920X1200_60HZ_PIXCLOCK 5173 -#define RES_1920X1440_60HZ_PIXCLOCK 4274 -#define RES_1920X1440_75HZ_PIXCLOCK 3367 -#define RES_2048X1536_60HZ_PIXCLOCK 3742 - -#define RES_1360X768_RB_60HZ_PIXCLOCK 13889 -#define RES_1400X1050_RB_60HZ_PIXCLOCK 9901 -#define RES_1440X900_RB_60HZ_PIXCLOCK 11268 -#define RES_1600X900_RB_60HZ_PIXCLOCK 10230 -#define RES_1680X1050_RB_60HZ_PIXCLOCK 8403 -#define RES_1920X1080_RB_60HZ_PIXCLOCK 7225 -#define RES_1920X1200_RB_60HZ_PIXCLOCK 6497 /* LCD display method */ diff --git a/drivers/video/via/viamode.c b/drivers/video/via/viamode.c index 4b06dd73ccaa..ea0bc7af6798 100644 --- a/drivers/video/via/viamode.c +++ b/drivers/video/via/viamode.c @@ -21,72 +21,6 @@ #include <linux/via-core.h> #include "global.h" -struct res_map_refresh res_map_refresh_tbl[] = { -/*hres, vres, vclock, vmode_refresh*/ - {480, 640, RES_480X640_60HZ_PIXCLOCK, 60}, - {640, 480, RES_640X480_60HZ_PIXCLOCK, 60}, - {640, 480, RES_640X480_75HZ_PIXCLOCK, 75}, - {640, 480, RES_640X480_85HZ_PIXCLOCK, 85}, - {640, 480, RES_640X480_100HZ_PIXCLOCK, 100}, - {640, 480, RES_640X480_120HZ_PIXCLOCK, 120}, - {720, 480, RES_720X480_60HZ_PIXCLOCK, 60}, - {720, 576, RES_720X576_60HZ_PIXCLOCK, 60}, - {800, 480, RES_800X480_60HZ_PIXCLOCK, 60}, - {800, 600, RES_800X600_60HZ_PIXCLOCK, 60}, - {800, 600, RES_800X600_75HZ_PIXCLOCK, 75}, - {800, 600, RES_800X600_85HZ_PIXCLOCK, 85}, - {800, 600, RES_800X600_100HZ_PIXCLOCK, 100}, - {800, 600, RES_800X600_120HZ_PIXCLOCK, 120}, - {848, 480, RES_848X480_60HZ_PIXCLOCK, 60}, - {856, 480, RES_856X480_60HZ_PIXCLOCK, 60}, - {1024, 512, RES_1024X512_60HZ_PIXCLOCK, 60}, - {1024, 600, RES_1024X600_60HZ_PIXCLOCK, 60}, - {1024, 768, RES_1024X768_60HZ_PIXCLOCK, 60}, - {1024, 768, RES_1024X768_75HZ_PIXCLOCK, 75}, - {1024, 768, RES_1024X768_85HZ_PIXCLOCK, 85}, - {1024, 768, RES_1024X768_100HZ_PIXCLOCK, 100}, -/* {1152,864, RES_1152X864_70HZ_PIXCLOCK, 70},*/ - {1152, 864, RES_1152X864_75HZ_PIXCLOCK, 75}, - {1280, 768, RES_1280X768_60HZ_PIXCLOCK, 60}, - {1280, 800, RES_1280X800_60HZ_PIXCLOCK, 60}, - {1280, 960, RES_1280X960_60HZ_PIXCLOCK, 60}, - {1280, 1024, RES_1280X1024_60HZ_PIXCLOCK, 60}, - {1280, 1024, RES_1280X1024_75HZ_PIXCLOCK, 75}, - {1280, 1024, RES_1280X768_85HZ_PIXCLOCK, 85}, - {1440, 1050, RES_1440X1050_60HZ_PIXCLOCK, 60}, - {1600, 1200, RES_1600X1200_60HZ_PIXCLOCK, 60}, - {1600, 1200, RES_1600X1200_75HZ_PIXCLOCK, 75}, - {1280, 720, RES_1280X720_60HZ_PIXCLOCK, 60}, - {1920, 1080, RES_1920X1080_60HZ_PIXCLOCK, 60}, - {1400, 1050, RES_1400X1050_60HZ_PIXCLOCK, 60}, - {1400, 1050, RES_1400X1050_75HZ_PIXCLOCK, 75}, - {1368, 768, RES_1368X768_60HZ_PIXCLOCK, 60}, - {960, 600, RES_960X600_60HZ_PIXCLOCK, 60}, - {1000, 600, RES_1000X600_60HZ_PIXCLOCK, 60}, - {1024, 576, RES_1024X576_60HZ_PIXCLOCK, 60}, - {1088, 612, RES_1088X612_60HZ_PIXCLOCK, 60}, - {1152, 720, RES_1152X720_60HZ_PIXCLOCK, 60}, - {1200, 720, RES_1200X720_60HZ_PIXCLOCK, 60}, - {1200, 900, RES_1200X900_60HZ_PIXCLOCK, 60}, - {1280, 600, RES_1280X600_60HZ_PIXCLOCK, 60}, - {1280, 720, RES_1280X720_50HZ_PIXCLOCK, 50}, - {1280, 768, RES_1280X768_50HZ_PIXCLOCK, 50}, - {1360, 768, RES_1360X768_60HZ_PIXCLOCK, 60}, - {1366, 768, RES_1366X768_50HZ_PIXCLOCK, 50}, - {1366, 768, RES_1366X768_60HZ_PIXCLOCK, 60}, - {1440, 900, RES_1440X900_60HZ_PIXCLOCK, 60}, - {1440, 900, RES_1440X900_75HZ_PIXCLOCK, 75}, - {1600, 900, RES_1600X900_60HZ_PIXCLOCK, 60}, - {1600, 1024, RES_1600X1024_60HZ_PIXCLOCK, 60}, - {1680, 1050, RES_1680X1050_60HZ_PIXCLOCK, 60}, - {1680, 1050, RES_1680X1050_75HZ_PIXCLOCK, 75}, - {1792, 1344, RES_1792X1344_60HZ_PIXCLOCK, 60}, - {1856, 1392, RES_1856X1392_60HZ_PIXCLOCK, 60}, - {1920, 1200, RES_1920X1200_60HZ_PIXCLOCK, 60}, - {1920, 1440, RES_1920X1440_60HZ_PIXCLOCK, 60}, - {1920, 1440, RES_1920X1440_75HZ_PIXCLOCK, 75}, - {2048, 1536, RES_2048X1536_60HZ_PIXCLOCK, 60} -}; struct io_reg CN400_ModeXregs[] = { {VIASR, SR10, 0xFF, 0x01}, {VIASR, SR15, 0x02, 0x02}, @@ -1057,7 +991,6 @@ struct VideoModeTable CEA_HDMI_Modes[] = { {CEAM1920x1080, ARRAY_SIZE(CEAM1920x1080)} }; -int NUM_TOTAL_RES_MAP_REFRESH = ARRAY_SIZE(res_map_refresh_tbl); int NUM_TOTAL_CEA_MODES = ARRAY_SIZE(CEA_HDMI_Modes); int NUM_TOTAL_CN400_ModeXregs = ARRAY_SIZE(CN400_ModeXregs); int NUM_TOTAL_CN700_ModeXregs = ARRAY_SIZE(CN700_ModeXregs); diff --git a/drivers/video/via/viamode.h b/drivers/video/via/viamode.h index 5b1ced86514b..8a67ea1b5ef0 100644 --- a/drivers/video/via/viamode.h +++ b/drivers/video/via/viamode.h @@ -41,14 +41,6 @@ struct patch_table { struct io_reg *io_reg_table; }; -struct res_map_refresh { - int hres; - int vres; - int pixclock; - int vmode_refresh; -}; - -extern int NUM_TOTAL_RES_MAP_REFRESH; extern int NUM_TOTAL_CEA_MODES; extern int NUM_TOTAL_CN400_ModeXregs; extern int NUM_TOTAL_CN700_ModeXregs; @@ -66,7 +58,6 @@ extern struct crt_mode_table CEAM1280x720[]; extern struct crt_mode_table CEAM1920x1080[]; extern struct VideoModeTable CEA_HDMI_Modes[]; -extern struct res_map_refresh res_map_refresh_tbl[]; extern struct io_reg CN400_ModeXregs[]; extern struct io_reg CN700_ModeXregs[]; extern struct io_reg KM400_ModeXregs[]; |