rk30 fb: add interface in ioctl to get sreen resolution

diff --git a/drivers/video/rockchip/rk_fb.c b/drivers/video/rockchip/rk_fb.c
index 5ed08e3ba77f7513d6464de37d66807f4ddec8e6..2e77ac68ceda10312c0c5147572dc1599c4e0eee 100644 (file)
--- a/drivers/video/rockchip/rk_fb.c
+++ b/drivers/video/rockchip/rk_fb.c
@@ -118,10 +118,23 @@ static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
 {
        struct rk_fb_inf *inf = dev_get_drvdata(info->device);
        struct fb_fix_screeninfo *fix = &info->fix;
+       struct rk_lcdc_device_driver *dev_drv = NULL;
        u32 yuv_phy[2];
+       u32 panel_size[2];
+       void __user *argp = (void __user *)arg;
        fbprintk(">>>>>> %s : cmd:0x%x \n",__FUNCTION__,cmd);
        CHK_SUSPEND(inf);
-       
+       if(!strcmp(fix->id,"fb1")){
+               dev_drv = inf->rk_lcdc_device[0];
+       }else if(!strcmp(fix->id,"fb0")){
+               dev_drv = inf->rk_lcdc_device[0];
+       }else if(!strcmp(fix->id,"fb3")){
+               dev_drv = inf->rk_lcdc_device[1];
+       }else if(!strcmp(fix->id,"fb2")){
+               dev_drv = inf->rk_lcdc_device[1];
+       }else{
+               dev_drv = inf->rk_lcdc_device[0];
+       }
        switch(cmd)
        {
                case FBIOPUT_FBPHYADD:
@@ -137,6 +150,12 @@ static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
                        break;
                case FBIOGET_OVERLAY_STATE:
                        return inf->video_mode;
+               case FB1_IOCTL_GET_PANEL_SIZE:    //get panel size
+                       panel_size[0] = dev_drv->screen.x_res;
+                       panel_size[1] = dev_drv->screen.y_res;
+                       if(copy_to_user(argp, panel_size, 8)) 
+                               return -EFAULT;
+                       break;
                case FBIOGET_SCREEN_STATE:
                case FBIOPUT_SET_CURSOR_EN:
                case FBIOPUT_SET_CURSOR_POS: