1. 根目录:
2. drivers
3. video
4. wmt_ge_rops.h

#ifdef CONFIG_FB_WMT_GE_ROPS

extern void wmt_ge_fillrect(struct fb_info *info,
			    const struct fb_fillrect *rect);
extern void wmt_ge_copyarea(struct fb_info *info,
			    const struct fb_copyarea *area);
extern int wmt_ge_sync(struct fb_info *info);

#else

static inline int wmt_ge_sync(struct fb_info *p)
{
	return 0;
}

static inline void wmt_ge_fillrect(struct fb_info *p,
				    const struct fb_fillrect *rect)
{
	sys_fillrect(p, rect);
}

static inline void wmt_ge_copyarea(struct fb_info *p,
				     const struct fb_copyarea *area)
{
	sys_copyarea(p, area);
}

#endif