rk312x lcdc: this vop bg layer not support yuv domain overlay,so bg val

		 have to set 0x800a80 equeal to 0x000000 at rgb domian,after
		 open win0/win1 alpha we recover to 0x00000.

diff --git a/drivers/video/rockchip/lcdc/rk312x_lcdc.c b/drivers/video/rockchip/lcdc/rk312x_lcdc.c
index b304a97cb7e9f797cb7a26fba81810c46bad84c6..f600bdbd6680be0044972c544dd0a54df7822140 100755 (executable)
--- a/drivers/video/rockchip/lcdc/rk312x_lcdc.c
+++ b/drivers/video/rockchip/lcdc/rk312x_lcdc.c
@@ -301,6 +301,12 @@ static int rk312x_lcdc_alpha_cfg(struct lcdc_device *lcdc_dev)
                mask = m_WIN0_ALPHA_MODE | m_ALPHA_MODE_SEL0 | m_ALPHA_MODE_SEL1;
                val = v_WIN0_ALPHA_MODE(1) | v_ALPHA_MODE_SEL0(1) | v_ALPHA_MODE_SEL1(0);
                lcdc_msk_reg(lcdc_dev, DSP_CTRL0, mask, val);
+               /*this vop bg layer not support yuv domain overlay,so bg val
+               have to set 0x800a80 equeal to 0x000000 at rgb domian,after
+               android start we recover to 0x00000*/
+               mask = m_BG_COLOR;
+               val = v_BG_COLOR(0x000000);
+               lcdc_msk_reg(lcdc_dev, DSP_CTRL1, mask, val);
        } else if ((!win0_top) && (lcdc_dev->atv_layer_cnt >= 2)
                   && (win1_alpha_en)) {
                mask =  m_WIN0_ALPHA_EN | m_WIN1_ALPHA_EN;
@@ -310,6 +316,12 @@ static int rk312x_lcdc_alpha_cfg(struct lcdc_device *lcdc_dev)
                mask = m_WIN1_ALPHA_MODE | m_ALPHA_MODE_SEL0 | m_ALPHA_MODE_SEL1;
                val = v_WIN1_ALPHA_MODE(1) | v_ALPHA_MODE_SEL0(1) | v_ALPHA_MODE_SEL1(0);
                lcdc_msk_reg(lcdc_dev, DSP_CTRL0, mask, val);
+               /*this vop bg layer not support yuv domain overlay,so bg val
+               have to set 0x800a80 equeal to 0x000000 at rgb domian,after
+               android start we recover to 0x00000*/
+               mask = m_BG_COLOR;
+               val = v_BG_COLOR(0x000000);
+               lcdc_msk_reg(lcdc_dev, DSP_CTRL1, mask, val);
        } else {
                mask = m_WIN0_ALPHA_EN | m_WIN1_ALPHA_EN;
                val = v_WIN0_ALPHA_EN(0) | v_WIN1_ALPHA_EN(0);