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drm/rockchip: lvds: set correct step to power off lvds

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Change-Id: I6ce0fea548a0bc66c231ac184b45b74fd9acaf1f
Signed-off-by: Huang Jiachai <hjc@rock-chips.com>
This commit is contained in:
Huang Jiachai
2017-07-14 14:59:33 +08:00
committed by Huang, Tao
parent 56640e72df
commit b4bf2fa8d7
1 changed files with 4 additions and 5 deletions
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9
drivers/gpu/drm/rockchip/rockchip_lvds.c
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@@ -342,15 +342,14 @@ static void rockchip_lvds_poweroff(struct rockchip_lvds *lvds)
u32 val;
if (LVDS_CHIP(lvds) == RK3288_LVDS) {
ret = regmap_write(lvds->grf,
lvds->soc_data->grf_soc_con7, 0xffff8000);
if (ret != 0)
dev_err(lvds->dev, "Could not write to GRF: %d\n", ret);
writel(RK3288_LVDS_CFG_REG21_TX_DISABLE,
lvds->regs + RK3288_LVDS_CFG_REG21);
writel(RK3288_LVDS_CFG_REGC_PLL_DISABLE,
lvds->regs + RK3288_LVDS_CFG_REGC);
ret = regmap_write(lvds->grf,
lvds->soc_data->grf_soc_con7, 0xffff8000);
if (ret != 0)
dev_err(lvds->dev, "Could not write to GRF: %d\n", ret);
pm_runtime_put(lvds->dev);
if (lvds->pclk)