From 10cbb9d588fba7249b2ca8ef3a89f7be2b2492f4 Mon Sep 17 00:00:00 2001 From: zwl Date: Mon, 11 Aug 2014 18:39:04 +0800 Subject: [PATCH] rk312x lcdc: config a group of frc_lower value for the FRC mode of dither down --- drivers/video/rockchip/lcdc/rk312x_lcdc.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/video/rockchip/lcdc/rk312x_lcdc.c b/drivers/video/rockchip/lcdc/rk312x_lcdc.c index 8ddc09125348..0f80c4833132 100755 --- a/drivers/video/rockchip/lcdc/rk312x_lcdc.c +++ b/drivers/video/rockchip/lcdc/rk312x_lcdc.c @@ -526,6 +526,15 @@ static int rk312x_lcdc_pre_init(struct rk_lcdc_driver *dev_drv) /* backup reg config at uboot */ rk_lcdc_read_reg_defalut_cfg(lcdc_dev); + + /* config for the FRC mode of dither down */ + lcdc_writel(lcdc_dev, FRC_LOWER01_0, 0x12844821); + lcdc_writel(lcdc_dev, FRC_LOWER01_1, 0x21488412); + lcdc_writel(lcdc_dev, FRC_LOWER10_0, 0x55aaaa55); + lcdc_writel(lcdc_dev, FRC_LOWER10_1, 0x55aaaa55); + lcdc_writel(lcdc_dev, FRC_LOWER11_0, 0xdeb77deb); + lcdc_writel(lcdc_dev, FRC_LOWER11_1, 0xed7bb7de); + lcdc_msk_reg(lcdc_dev, SYS_CTRL, m_AUTO_GATING_EN, v_AUTO_GATING_EN(0)); lcdc_cfg_done(lcdc_dev); if (dev_drv->iommu_enabled) /* disable win0 to workaround iommu pagefault */ -- 2.34.1