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rk312x lcdc: config a group of frc_lower value for the FRC mode of dither down

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zwl
2014-08-11 18:39:04 +08:00
parent 451ef29bfa
commit 10cbb9d588
1 changed files with 9 additions and 0 deletions
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9
drivers/video/rockchip/lcdc/rk312x_lcdc.c
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@@ -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 */