OMAPDSS: HDMI: Discard phy_tx_enabled member
It is simpler to read the current status from a register as compared
to maintaining a state variable to hold the information.
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
diff --git a/drivers/video/omap2/dss/ti_hdmi.h b/drivers/video/omap2/dss/ti_hdmi.h
index e734cb4..d174ca1 100644
--- a/drivers/video/omap2/dss/ti_hdmi.h
+++ b/drivers/video/omap2/dss/ti_hdmi.h
@@ -177,7 +177,6 @@
/* ti_hdmi_4xxx_ip private data. These should be in a separate struct */
int hpd_gpio;
- bool phy_tx_enabled;
};
int ti_hdmi_4xxx_phy_enable(struct hdmi_ip_data *ip_data);
void ti_hdmi_4xxx_phy_disable(struct hdmi_ip_data *ip_data);
diff --git a/drivers/video/omap2/dss/ti_hdmi_4xxx_ip.c b/drivers/video/omap2/dss/ti_hdmi_4xxx_ip.c
index 4dae1b2..3fa3d98d 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 @@
/* 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 @@
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 @@
goto err;
}
- ip_data->phy_tx_enabled = hpd;
err:
spin_unlock_irqrestore(&phy_tx_lock, flags);
return r;
@@ -327,7 +325,6 @@
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)
