rk fb: box is use NO_DUAL mode,so fb have to disable dsp_black

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 67a32855eaa1752d74dfac9128518b5f638fc797..457394d9374d7fb6321d40b5cb91dfbf84516b6c 100755 (executable)
--- a/drivers/video/rockchip/rk_fb.c
+++ b/drivers/video/rockchip/rk_fb.c
@@ -3576,9 +3576,6 @@ int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
                        dev_drv->ops->dsp_black(dev_drv, 1);
                if (dev_drv->ops->set_screen_scaler)
                        dev_drv->ops->set_screen_scaler(dev_drv, dev_drv->screen0, 0);
-       } else if ((rk_fb->disp_mode == NO_DUAL) && (enable)) {
-               if (dev_drv->ops->dsp_black)
-                       dev_drv->ops->dsp_black(dev_drv, 1);
        }
 
        if (!enable) {
@@ -3587,8 +3584,7 @@ int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
                        return 0;
 
                /* if used one lcdc to dual disp, no need to close win */
-               if ((rk_fb->disp_mode == ONE_DUAL) ||
-                   (rk_fb->disp_mode == NO_DUAL)) {
+               if (rk_fb->disp_mode == ONE_DUAL) {
                        dev_drv->cur_screen = dev_drv->screen0;
                        dev_drv->ops->load_screen(dev_drv, 1);
 
@@ -3650,8 +3646,7 @@ int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
                                        info->var.activate |= FB_ACTIVATE_FORCE;
                                        if (rk_fb->disp_mode == DUAL) {
                                                rk_fb_update_ext_info(info, pmy_info, 1);
-                                       } else if ((rk_fb->disp_mode == ONE_DUAL) ||
-                                                  (rk_fb->disp_mode == NO_DUAL)) {
+                                       } else if (rk_fb->disp_mode == ONE_DUAL) {
                                                info->var.grayscale &= 0xff;
                                                info->var.grayscale |=
                                                        (dev_drv->cur_screen->xsize << 8) +