video: rk_fb: fix ymirror for kernel logo

kernel logo not use ymirror now, so if uboot logo use ymirror,
we need close it when switch to kernel logo, otherwise, would get
iommu crash

Change-Id: I4a607f75ada4cf6454c7e0f4614b629ef747e851
Signed-off-by: Mark Yao <mark.yao@rock-chips.com>

diff --git a/drivers/video/rockchip/rk_fb.c b/drivers/video/rockchip/rk_fb.c
index cda6a811873cd4afed2bb0c5e992f2b12a2d09d5..fa5c8a1c36f590aa679ed5bc2861036fc0d11d42 100644 (file)
--- a/drivers/video/rockchip/rk_fb.c
+++ b/drivers/video/rockchip/rk_fb.c
@@ -4190,6 +4190,7 @@ int rk_fb_register(struct rk_lcdc_driver *dev_drv,
                                       xact, yact, width, height);
                                return 0;
                        }
+                       ymirror = 0;
                        local_irq_save(flags);
                        if (dev_drv->ops->wait_frame_start)
                                dev_drv->ops->wait_frame_start(dev_drv, 0);