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Commit f5b1c4b3 authored by Florian Tobias Schandinat's avatar Florian Tobias Schandinat
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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: default avatarFlorian Tobias Schandinat <FlorianSchandinat@gmx.de>
parent 23e5abd5
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Showing with 29 additions and 166 deletions
drivers/video/via/hw.c
View file @ f5b1c4b3
......@@ -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)
......
drivers/video/via/share.h
View file @ f5b1c4b3
......@@ -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
*/
......
drivers/video/via/viamode.c
View file @ f5b1c4b3
......@@ -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);
......
drivers/video/via/viamode.h
View file @ f5b1c4b3
......@@ -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[];
......
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