From: Andrzej Hajda Date: Thu, 9 Jul 2015 14:28:07 +0000 (+0200) Subject: drm/exynos/hdmi: Simplify HPD gpio handling X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=ef6ce28bc7c529d4d0b8c699d26fb568208bc305;p=openwrt%2Fstaging%2Fblogic.git 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 Reviewed-by: Joonyoung Shim Signed-off-by: Inki Dae --- diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c index 3cf09bb995a3..1d07bdf78776 100644 --- a/drivers/gpu/drm/exynos/exynos_hdmi.c +++ b/drivers/gpu/drm/exynos/exynos_hdmi.c @@ -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 @@ out_get_phy_port: 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,