video: rockchip: fb: don't set vop win state when switch screen

because hwc will open fb0 to fb5, so the logic state is enable,
this will lead to iommu page fault when switch screen.

Change-Id: I8bc34887a62338049d1d526e37a2595122265046
Signed-off-by: Huang Jiachai <hjc@rock-chips.com>

diff --git a/drivers/video/rockchip/rk_fb.c b/drivers/video/rockchip/rk_fb.c
index e7520eef07a1121ba0422b0cc0b46657b5ad120d..a67cf66dbf5d07a752a8d58f6a1baa1dd64d438d 100644 (file)
--- a/drivers/video/rockchip/rk_fb.c
+++ b/drivers/video/rockchip/rk_fb.c
@@ -3691,13 +3691,14 @@ int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
                                } else if (!dev_drv->win[win_id]->state) {
                                        dev_drv->ops->open(dev_drv, win_id, 1);
                                        dev_drv->suspend_flag = 0;
-                                       mutex_lock(&dev_drv->win_config);
-                                       info->var.xoffset = 0;
-                                       info->var.yoffset = 0;
-                                       info->fbops->fb_set_par(info);
-                                       info->fbops->fb_pan_display(&info->var,
-                                                                   info);
-                                       mutex_unlock(&dev_drv->win_config);
+                                       /* mutex_lock(&dev_drv->win_config);
+                                        * info->var.xoffset = 0;
+                                        * info->var.yoffset = 0;
+                                        * info->fbops->fb_set_par(info);
+                                        * info->fbops->fb_pan_display(&info->var,
+                                        *                          info);
+                                        * mutex_unlock(&dev_drv->win_config);
+                                        */
                                }
                        }
                }