From 7ed0a48a764b7fdcdc1cb8c698ac9d35f64617fa Mon Sep 17 00:00:00 2001 From: Algea Cao Date: Thu, 28 Sep 2017 17:17:59 +0800 Subject: [PATCH] drm: bridge: dw-hdmi: set hdmi ddc pin HI-Z when suspend Set hdmi ddc pin HI-Z to save power. Change-Id: Ic5e15cac43c486e7de6be8526daea9b36da68bc8 Signed-off-by: Algea Cao --- drivers/gpu/drm/bridge/dw-hdmi.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/bridge/dw-hdmi.c b/drivers/gpu/drm/bridge/dw-hdmi.c index ec6162f873b1..d26939e00fbc 100644 --- a/drivers/gpu/drm/bridge/dw-hdmi.c +++ b/drivers/gpu/drm/bridge/dw-hdmi.c @@ -3119,6 +3119,7 @@ void dw_hdmi_suspend(struct device *dev) if (hdmi->irq) disable_irq(hdmi->irq); mutex_unlock(&hdmi->mutex); + pinctrl_pm_select_sleep_state(dev); } EXPORT_SYMBOL_GPL(dw_hdmi_suspend); @@ -3126,6 +3127,7 @@ void dw_hdmi_resume(struct device *dev) { struct dw_hdmi *hdmi = dev_get_drvdata(dev); + pinctrl_pm_select_default_state(dev); mutex_lock(&hdmi->mutex); dw_hdmi_reg_initial(hdmi); if (hdmi->i2c)