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path: root/drivers/gpu/drm
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-rw-r--r--drivers/gpu/drm/msm/hdmi/hdmi.c24
-rw-r--r--drivers/gpu/drm/msm/hdmi/hdmi.h14
-rw-r--r--drivers/gpu/drm/msm/hdmi/hdmi_bridge.c3
-rw-r--r--drivers/gpu/drm/msm/hdmi/hdmi_connector.c4
4 files changed, 13 insertions, 32 deletions
diff --git a/drivers/gpu/drm/msm/hdmi/hdmi.c b/drivers/gpu/drm/msm/hdmi/hdmi.c
index db8c3b45bc24..062c68725376 100644
--- a/drivers/gpu/drm/msm/hdmi/hdmi.c
+++ b/drivers/gpu/drm/msm/hdmi/hdmi.c
@@ -55,9 +55,8 @@ static irqreturn_t hdmi_irq(int irq, void *dev_id)
return IRQ_HANDLED;
}
-void hdmi_destroy(struct kref *kref)
+static void hdmi_destroy(struct hdmi *hdmi)
{
- struct hdmi *hdmi = container_of(kref, struct hdmi, refcount);
struct hdmi_phy *phy = hdmi->phy;
if (phy)
@@ -85,8 +84,6 @@ static struct hdmi *hdmi_init(struct platform_device *pdev)
goto fail;
}
- kref_init(&hdmi->refcount);
-
hdmi->pdev = pdev;
hdmi->config = config;
@@ -183,7 +180,7 @@ static struct hdmi *hdmi_init(struct platform_device *pdev)
fail:
if (hdmi)
- hdmi_destroy(&hdmi->refcount);
+ hdmi_destroy(hdmi);
return ERR_PTR(ret);
}
@@ -269,12 +266,6 @@ fail:
#include <linux/of_gpio.h>
-static void set_hdmi(struct drm_device *dev, struct hdmi *hdmi)
-{
- struct msm_drm_private *priv = dev->dev_private;
- priv->hdmi = hdmi;
-}
-
#ifdef CONFIG_OF
static int get_gpio(struct device *dev, struct device_node *of_node, const char *name)
{
@@ -295,6 +286,8 @@ static int get_gpio(struct device *dev, struct device_node *of_node, const char
static int hdmi_bind(struct device *dev, struct device *master, void *data)
{
+ struct drm_device *drm = dev_get_drvdata(master);
+ struct msm_drm_private *priv = drm->dev_private;
static struct hdmi_platform_config config = {};
struct hdmi *hdmi;
#ifdef CONFIG_OF
@@ -389,14 +382,19 @@ static int hdmi_bind(struct device *dev, struct device *master, void *data)
hdmi = hdmi_init(to_platform_device(dev));
if (IS_ERR(hdmi))
return PTR_ERR(hdmi);
- set_hdmi(dev_get_drvdata(master), hdmi);
+ priv->hdmi = hdmi;
return 0;
}
static void hdmi_unbind(struct device *dev, struct device *master,
void *data)
{
- set_hdmi(dev_get_drvdata(master), NULL);
+ struct drm_device *drm = dev_get_drvdata(master);
+ struct msm_drm_private *priv = drm->dev_private;
+ if (priv->hdmi) {
+ hdmi_destroy(priv->hdmi);
+ priv->hdmi = NULL;
+ }
}
static const struct component_ops hdmi_ops = {
diff --git a/drivers/gpu/drm/msm/hdmi/hdmi.h b/drivers/gpu/drm/msm/hdmi/hdmi.h
index 0a6f538f012c..43e654f751b7 100644
--- a/drivers/gpu/drm/msm/hdmi/hdmi.h
+++ b/drivers/gpu/drm/msm/hdmi/hdmi.h
@@ -38,8 +38,6 @@ struct hdmi_audio {
};
struct hdmi {
- struct kref refcount;
-
struct drm_device *dev;
struct platform_device *pdev;
@@ -100,7 +98,6 @@ struct hdmi_platform_config {
};
void hdmi_set_mode(struct hdmi *hdmi, bool power_on);
-void hdmi_destroy(struct kref *kref);
static inline void hdmi_write(struct hdmi *hdmi, u32 reg, u32 data)
{
@@ -112,17 +109,6 @@ static inline u32 hdmi_read(struct hdmi *hdmi, u32 reg)
return msm_readl(hdmi->mmio + reg);
}
-static inline struct hdmi * hdmi_reference(struct hdmi *hdmi)
-{
- kref_get(&hdmi->refcount);
- return hdmi;
-}
-
-static inline void hdmi_unreference(struct hdmi *hdmi)
-{
- kref_put(&hdmi->refcount, hdmi_destroy);
-}
-
/*
* The phy appears to be different, for example between 8960 and 8x60,
* so split the phy related functions out and load the correct one at
diff --git a/drivers/gpu/drm/msm/hdmi/hdmi_bridge.c b/drivers/gpu/drm/msm/hdmi/hdmi_bridge.c
index f6cf745c249e..6902ad6da710 100644
--- a/drivers/gpu/drm/msm/hdmi/hdmi_bridge.c
+++ b/drivers/gpu/drm/msm/hdmi/hdmi_bridge.c
@@ -26,7 +26,6 @@ struct hdmi_bridge {
static void hdmi_bridge_destroy(struct drm_bridge *bridge)
{
struct hdmi_bridge *hdmi_bridge = to_hdmi_bridge(bridge);
- hdmi_unreference(hdmi_bridge->hdmi);
drm_bridge_cleanup(bridge);
kfree(hdmi_bridge);
}
@@ -218,7 +217,7 @@ struct drm_bridge *hdmi_bridge_init(struct hdmi *hdmi)
goto fail;
}
- hdmi_bridge->hdmi = hdmi_reference(hdmi);
+ hdmi_bridge->hdmi = hdmi;
bridge = &hdmi_bridge->base;
diff --git a/drivers/gpu/drm/msm/hdmi/hdmi_connector.c b/drivers/gpu/drm/msm/hdmi/hdmi_connector.c
index 0aecb2580072..fbebb0405d76 100644
--- a/drivers/gpu/drm/msm/hdmi/hdmi_connector.c
+++ b/drivers/gpu/drm/msm/hdmi/hdmi_connector.c
@@ -330,8 +330,6 @@ static void hdmi_connector_destroy(struct drm_connector *connector)
drm_connector_unregister(connector);
drm_connector_cleanup(connector);
- hdmi_unreference(hdmi_connector->hdmi);
-
kfree(hdmi_connector);
}
@@ -425,7 +423,7 @@ struct drm_connector *hdmi_connector_init(struct hdmi *hdmi)
goto fail;
}
- hdmi_connector->hdmi = hdmi_reference(hdmi);
+ hdmi_connector->hdmi = hdmi;
INIT_WORK(&hdmi_connector->hpd_work, hotplug_work);
connector = &hdmi_connector->base;