diff --git a/drivers/video/rockchip/rk_fb.c b/drivers/video/rockchip/rk_fb.c
index 4e5db0f33b41..14ed741c05b8 100644
--- a/drivers/video/rockchip/rk_fb.c
+++ b/drivers/video/rockchip/rk_fb.c
@@ -463,7 +463,7 @@ static int rk_fb_set_par(struct fb_info *info)
     smem_len = fix->line_length * yvir + cblen + crlen;
    // map_size = PAGE_ALIGN(smem_len);
 
-    fix->smem_len = smem_len;
+    //fix->smem_len = smem_len;
     par->xpos = xpos;
     par->ypos = ypos;
     par->xsize = xsize;