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rk_fb: rk312x: direct power on lcdc when do fb_unblank

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when do fb blank, we diretcly off the lcdc, so I think
we should power on lcdc in pairs.

Signed-off-by: Mark Yao <mark.yao@rock-chips.com>
This commit is contained in:
Mark Yao
2014-12-10 09:42:31 +08:00
parent ee58e93212
commit 1fd8baf8c7
1 changed files with 33 additions and 35 deletions
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68
drivers/video/rockchip/lcdc/rk312x_lcdc.c
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@@ -1763,44 +1763,42 @@ static int rk312x_lcdc_early_resume(struct rk_lcdc_driver *dev_drv)
rk_disp_pwr_enable(dev_drv);
dev_drv->suspend_flag = 0;
if (lcdc_dev->atv_layer_cnt) {
rk312x_lcdc_clk_enable(lcdc_dev);
rk312x_lcdc_reg_restore(lcdc_dev);
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 && 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);
spin_lock(&lcdc_dev->reg_lock);
lcdc_msk_reg(lcdc_dev, DSP_CTRL1, m_DSP_OUT_ZERO,
v_DSP_OUT_ZERO(0));
lcdc_msk_reg(lcdc_dev, SYS_CTRL, m_LCDC_STANDBY,
v_LCDC_STANDBY(0));
lcdc_msk_reg(lcdc_dev, DSP_CTRL1, m_BLANK_EN, v_BLANK_EN(0));
lcdc_cfg_done(lcdc_dev);
if (dev_drv->iommu_enabled) {
if (dev_drv->mmu_dev)
rockchip_iovmm_activate(dev_drv->dev);
}
spin_unlock(&lcdc_dev->reg_lock);
/* 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 && 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);
spin_lock(&lcdc_dev->reg_lock);
lcdc_msk_reg(lcdc_dev, DSP_CTRL1, m_DSP_OUT_ZERO,
v_DSP_OUT_ZERO(0));
lcdc_msk_reg(lcdc_dev, SYS_CTRL, m_LCDC_STANDBY,
v_LCDC_STANDBY(0));
lcdc_msk_reg(lcdc_dev, DSP_CTRL1, m_BLANK_EN, v_BLANK_EN(0));
lcdc_cfg_done(lcdc_dev);
if (dev_drv->iommu_enabled) {
if (dev_drv->mmu_dev)
rockchip_iovmm_activate(dev_drv->dev);
}
spin_unlock(&lcdc_dev->reg_lock);
if (dev_drv->trsm_ops && dev_drv->trsm_ops->enable)
dev_drv->trsm_ops->enable();
msleep(160);