安卓系统
有时我们希望实现在大分辨率的屏上显示小分辨率的android界面。实际代码修改如下:--- a/kernel/msm-3.18/drivers/video/msm/mdss/mdss_fb.c+++ b/kernel/msm-3.18/drivers/video/msm/mdss/mdss_fb.c@@ -2501,8 +2501,8 @@ static int mdss_fb_register(struct msm_fb_data_type *mfd)else
fix->line_length = var->xres * bpp;- var->xres_virtual = var->xres;- var->yres_virtual = panel_info->yres * mfd->fb_page;+ var->xres_virtual = 640;//var->xres;+ var->yres_virtual = 480 * mfd->fb_page;
var->bits_per_pixel = bpp * 8; /* FrameBuffer color depth *//*@@ -3410,8 +3410,8 @@ void mdss_panelinfo_to_fb_var(struct mdss_panel_info *pinfo,{
u32 frame_rate;- var->xres = mdss_fb_get_panel_xres(pinfo);- var->yres = pinfo->yres;+ var->xres = 640;//mdss_fb_get_panel_xres(pinfo);+ var->yres = 480;//pinfo->yres;
var->lower_margin = pinfo->lcdc.v_front_porch - pinfo->prg_fet;var->upper_margin = pinfo->lcdc.v_back_porch +
网络虽好,但要注意劳逸结合哦!
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