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viafb: eliminate viafb_get_pixclock

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As there is only one user we can just insert the formula where
needed. Avoids one lookup in the modetable and
viafb_fill_var_timing_info does no longer depend on the modetable.

Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
This commit is contained in:
Florian Tobias Schandinat 2011-08-06 23:35:25 +00:00
parent 94715ba975
commit 42edcb162d
3 changed files with 2 additions and 19 deletions
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16
drivers/video/via/hw.c
View File

@ -2033,18 +2033,6 @@ int viafb_setmode(struct VideoModeTable *vmode_tbl, int video_bpp,
return 1;
}
int viafb_get_pixclock(int hres, int vres, int vmode_refresh)
{
struct crt_mode_table *best;
best = viafb_get_best_mode(hres, vres, vmode_refresh);
if (!best)
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)
{
struct crt_mode_table *best;
@ -2160,8 +2148,8 @@ void viafb_fill_var_timing_info(struct fb_var_screeninfo *var,
struct display_timing crt_reg;
crt_reg = mode->crtc;
var->pixclock = viafb_get_pixclock(var->xres, var->yres,
mode->refresh_rate);
var->pixclock = 1000000000 / (crt_reg.hor_total * crt_reg.ver_total)
* 1000 / mode->refresh_rate;
var->left_margin =
crt_reg.hor_total - (crt_reg.hor_sync_start + crt_reg.hor_sync_end);
var->right_margin = crt_reg.hor_sync_start - crt_reg.hor_addr;

1
drivers/video/via/hw.h
View File

@ -665,7 +665,6 @@ void viafb_fill_var_timing_info(struct fb_var_screeninfo *var,
struct crt_mode_table *mode);
void __devinit viafb_init_chip_info(int chip_type);
void __devinit viafb_init_dac(int set_iga);
int viafb_get_pixclock(int hres, int vres, int vmode_refresh);
int viafb_get_refresh(int hres, int vres, u32 float_refresh);
void viafb_update_device_setting(int hres, int vres, int bpp, int flag);

4
drivers/video/via/share.h
View File

@ -636,10 +636,6 @@
#define V_SYNC_SATRT_SHADOW_INDEX 18
#define V_SYNC_END_SHADOW_INDEX 19
/* Definition Video Mode Pixel Clock (picoseconds)
*/
#define RES_640X480_60HZ_PIXCLOCK 39722
/* LCD display method
*/
#define LCD_EXPANDSION 0x00