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path: root/drivers/video/omap2/dss/ti_hdmi_4xxx_ip.c
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Diffstat (limited to 'drivers/video/omap2/dss/ti_hdmi_4xxx_ip.c')
-rw-r--r--drivers/video/omap2/dss/ti_hdmi_4xxx_ip.c11
1 files changed, 4 insertions, 7 deletions
diff --git a/drivers/video/omap2/dss/ti_hdmi_4xxx_ip.c b/drivers/video/omap2/dss/ti_hdmi_4xxx_ip.c
index 4dae1b291079..3fa3d98d1ae7 100644
--- a/drivers/video/omap2/dss/ti_hdmi_4xxx_ip.c
+++ b/drivers/video/omap2/dss/ti_hdmi_4xxx_ip.c
@@ -157,6 +157,10 @@ static int hdmi_pll_init(struct hdmi_ip_data *ip_data)
/* PHY_PWR_CMD */
static int hdmi_set_phy_pwr(struct hdmi_ip_data *ip_data, enum hdmi_phy_pwr val)
{
+ /* Return if already the state */
+ if (REG_GET(hdmi_wp_base(ip_data), HDMI_WP_PWR_CTRL, 5, 4) == val)
+ return 0;
+
/* Command for power control of HDMI PHY */
REG_FLD_MOD(hdmi_wp_base(ip_data), HDMI_WP_PWR_CTRL, val, 7, 6);
@@ -241,11 +245,6 @@ static int hdmi_check_hpd_state(struct hdmi_ip_data *ip_data)
hpd = gpio_get_value(ip_data->hpd_gpio);
- if (hpd == ip_data->phy_tx_enabled) {
- spin_unlock_irqrestore(&phy_tx_lock, flags);
- return 0;
- }
-
if (hpd)
r = hdmi_set_phy_pwr(ip_data, HDMI_PHYPWRCMD_TXON);
else
@@ -257,7 +256,6 @@ static int hdmi_check_hpd_state(struct hdmi_ip_data *ip_data)
goto err;
}
- ip_data->phy_tx_enabled = hpd;
err:
spin_unlock_irqrestore(&phy_tx_lock, flags);
return r;
@@ -327,7 +325,6 @@ void ti_hdmi_4xxx_phy_disable(struct hdmi_ip_data *ip_data)
free_irq(gpio_to_irq(ip_data->hpd_gpio), ip_data);
hdmi_set_phy_pwr(ip_data, HDMI_PHYPWRCMD_OFF);
- ip_data->phy_tx_enabled = false;
}
static int hdmi_core_ddc_init(struct hdmi_ip_data *ip_data)