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rk312x:lcdc: fix the color gradation of screen display if use dither down mode when resume

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zwl
2014-09-12 14:10:44 +08:00
parent 6091619467
commit f7c0e40060
1 changed files with 13 additions and 1 deletions
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14
drivers/video/rockchip/lcdc/rk312x_lcdc.c
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@@ -1547,8 +1547,20 @@ static int rk312x_lcdc_early_resume(struct rk_lcdc_driver *dev_drv)
if (lcdc_dev->atv_layer_cnt) {
rk312x_lcdc_clk_enable(lcdc_dev);
rk312x_lcdc_reg_restore(lcdc_dev);
/* config for the FRC mode of dither down */
if (dev_drv->cur_screen &&
dev_drv->cur_screen->face != OUT_P888) {
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);
}
/* set screen lut */
if (dev_drv->cur_screen->dsp_lut)
if (dev_drv->cur_screen && dev_drv->cur_screen->dsp_lut)
rk312x_lcdc_set_lut(dev_drv);
/*set hwc lut*/
rk312x_lcdc_set_hwc_lut(dev_drv, dev_drv->hwc_lut, 0);