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rk screen:add interface to calculator fb size by screen resolution

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This commit is contained in:
yxj
2013-01-23 11:34:26 +08:00
parent 52f00e5c34
commit 4673caa440
4 changed files with 36 additions and 0 deletions
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12
drivers/video/display/screen/lcd_LP097QX1.c
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@@ -117,3 +117,15 @@ void set_lcd_info(struct rk29fb_screen *screen, struct rk29lcd_info *lcd_info )
screen->standby = NULL;
screen->dsp_lut = dsp_lut;
}
size_t get_fb_size(void)
{
size_t size = 0;
#if defined(CONFIG_THREE_FB_BUFFER)
size = ((H_VD)*(V_VD)<<2)* 3; //three buffer
#else
size = ((H_VD)*(V_VD)<<2)<<1; //two buffer
#endif
return ALIGN(size,SZ_1M);
}

11
drivers/video/display/screen/lcd_b101ew05.c
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@@ -340,3 +340,14 @@ void set_lcd_info(struct rk29fb_screen *screen, struct rk29lcd_info *lcd_info )
screen->sscreen_set = rk610_lcd_scaler_set_param;
#endif
}
size_t get_fb_size(void)
{
size_t size = 0;
#if defined(CONFIG_THREE_FB_BUFFER)
size = ((H_VD)*(V_VD)<<2)* 3; //three buffer
#else
size = ((H_VD)*(V_VD)<<2)<<1; //two buffer
#endif
return ALIGN(size,SZ_1M);
}

12
drivers/video/display/screen/lcd_ds1006h.c
View File

@@ -333,3 +333,15 @@ void set_lcd_info(struct rk29fb_screen *screen, struct rk29lcd_info *lcd_info )
screen->sscreen_set = rk610_lcd_scaler_set_param;
#endif
}
size_t get_fb_size(void)
{
size_t size = 0;
#if defined(CONFIG_THREE_FB_BUFFER)
size = ((H_VD)*(V_VD)<<2)* 3; //three buffer
#else
size = ((H_VD)*(V_VD)<<2)<<1; //two buffer
#endif
return ALIGN(size,SZ_1M);
}

1
include/linux/rk_screen.h
View File

@@ -154,6 +154,7 @@ struct rk29fb_info {
static inline void set_lcd_info(struct rk29fb_screen *screen, struct rk29lcd_info *lcd_info) {}
#else
extern void set_lcd_info(struct rk29fb_screen *screen, struct rk29lcd_info *lcd_info);
extern size_t get_fb_size(void);
#endif
extern void set_tv_info(struct rk29fb_screen *screen);
extern void set_hdmi_info(struct rk29fb_screen *screen);