rk fb: if not want the config effect,set reserved[3] bit[0] 1

Signed-off-by: hjc <hjc@rock-chips.com>

diff --git a/drivers/video/rockchip/rk_fb.c b/drivers/video/rockchip/rk_fb.c
index 9492ebec765097b4e569683d35884b2e34799717..7a30703fcc4f7867c3532b9382b8e0ebdad2ad97 100755 (executable)
--- a/drivers/video/rockchip/rk_fb.c
+++ b/drivers/video/rockchip/rk_fb.c
@@ -1374,7 +1374,9 @@ static int rk_fb_pan_display(struct fb_var_screeninfo *var,
        if (video_data_to_mirroring)
                video_data_to_mirroring(info, NULL);
 #endif
-       dev_drv->ops->cfg_done(dev_drv);
+        /*if not want the config effect,set reserved[3] bit[0] 1*/
+        if (likely((var->reserved[3] & 0x1) == 0))
+               dev_drv->ops->cfg_done(dev_drv);
 
        return 0;
 }