rk3368 lcdc: revert lcdc reset when switch hdmi

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

diff --git a/drivers/video/rockchip/lcdc/rk3368_lcdc.c b/drivers/video/rockchip/lcdc/rk3368_lcdc.c
index 6f9180e6302310d28909650d6b9aadec3033cc9c..c8345e701315027b72398dfa8414fbe7d7c13f26 100755 (executable)
--- a/drivers/video/rockchip/lcdc/rk3368_lcdc.c
+++ b/drivers/video/rockchip/lcdc/rk3368_lcdc.c
@@ -1779,7 +1779,7 @@ static int lcdc_reset(struct rk_lcdc_driver *dev_drv, bool initscreen)
        struct lcdc_device *lcdc_dev =
            container_of(dev_drv, struct lcdc_device, driver);
        u32 mask, val;
-       u32 v;
+       u32 __maybe_unused v;
         /*printk("0407:standby=%d,initscreen=%d,dev_drv->first_frame=%d\n",
                 lcdc_dev->standby,initscreen,dev_drv->first_frame);*/
        if (!lcdc_dev->standby && initscreen && (dev_drv->first_frame != 1)) {
@@ -1803,6 +1803,7 @@ static int lcdc_reset(struct rk_lcdc_driver *dev_drv, bool initscreen)
                lcdc_cfg_done(lcdc_dev);
                mdelay(50);
                writel_relaxed(0, lcdc_dev->regs + REG_CFG_DONE);
+#if 0
                if (dev_drv->iommu_enabled) {
                        if (dev_drv->mmu_dev)
                                rockchip_iovmm_deactivate(dev_drv->dev);
@@ -1824,6 +1825,7 @@ static int lcdc_reset(struct rk_lcdc_driver *dev_drv, bool initscreen)
                mdelay(50);
                rk3368_lcdc_reg_restore(lcdc_dev);
                mdelay(50);
+#endif
        }
        return 0;
 }