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drm/exynos/hdmi: Simplify HPD gpio handling 

GPIO is tested only in hdmi_detect, so there is no reason to set it in
other places and to preserve its value in context.

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Reviewed-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
This commit is contained in:
Andrzej Hajda 2015-07-09 16:28:07 +02:00 committed by Inki Dae
parent d36b3004ca
commit ef6ce28bc7
1 changed files with 3 additions and 10 deletions
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13
drivers/gpu/drm/exynos/exynos_hdmi.c
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@ -186,7 +186,6 @@ struct hdmi_context {
struct drm_device *drm_dev;
struct drm_connector connector;
struct drm_encoder *encoder;
bool hpd;
bool powered;
bool dvi_mode;
struct mutex hdmi_mutex;
@ -1037,10 +1036,10 @@ static enum drm_connector_status hdmi_detect(struct drm_connector *connector,
{
struct hdmi_context *hdata = ctx_from_connector(connector);
hdata->hpd = gpio_get_value(hdata->hpd_gpio);
if (gpio_get_value(hdata->hpd_gpio))
return connector_status_connected;
return hdata->hpd ? connector_status_connected :
connector_status_disconnected;
return connector_status_disconnected;
}
static void hdmi_connector_destroy(struct drm_connector *connector)
@ -2156,10 +2155,6 @@ static void hdmi_hotplug_work_func(struct work_struct *work)
hdata = container_of(work, struct hdmi_context, hotplug_work.work);
mutex_lock(&hdata->hdmi_mutex);
hdata->hpd = gpio_get_value(hdata->hpd_gpio);
mutex_unlock(&hdata->hdmi_mutex);
if (hdata->drm_dev)
drm_helper_hpd_irq_event(hdata->drm_dev);
}
@ -2428,8 +2423,6 @@ static int hdmi_probe(struct platform_device *pdev)
goto err_hdmiphy;
}
hdata->hpd = gpio_get_value(hdata->hpd_gpio);
INIT_DELAYED_WORK(&hdata->hotplug_work, hdmi_hotplug_work_func);
ret = devm_request_threaded_irq(dev, hdata->irq, NULL,