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rk312x:lcdc: fix the color gradation of screen display if use dither down mode when...
author
zwl
<zwl@rockchips.com>
Fri, 12 Sep 2014 06:10:44 +0000
(14:10 +0800)
committer
zwl
<zwl@rockchips.com>
Fri, 12 Sep 2014 06:12:19 +0000
(14:12 +0800)
drivers/video/rockchip/lcdc/rk312x_lcdc.c
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diff --git
a/drivers/video/rockchip/lcdc/rk312x_lcdc.c
b/drivers/video/rockchip/lcdc/rk312x_lcdc.c
index 0c629252cf2c55aa20dd485e7fafe94380f9b847..7dbdac938d002141672e6e65b8633c28c228fe17 100755
(executable)
--- a/
drivers/video/rockchip/lcdc/rk312x_lcdc.c
+++ b/
drivers/video/rockchip/lcdc/rk312x_lcdc.c
@@
-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);
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 */
/* 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);
rk312x_lcdc_set_lut(dev_drv);
/*set hwc lut*/
rk312x_lcdc_set_hwc_lut(dev_drv, dev_drv->hwc_lut, 0);