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drm/rockchip: add rockchip_drm_get_sub_dev_type

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1. before this, the DMC driver use drm_device_get_by_name() to get drm
connector info, now we use rockchip_drm_get_sub_dev_type() to instead of
it.
2. export rockchip drm sub dev functions.

Change-Id: Ief6546d933fbb49e46e6e8d2a99464eb5951e069
Signed-off-by: Sandy Huang <hjc@rock-chips.com>
This commit is contained in:
Sandy Huang
2020-07-06 11:45:13 +08:00
committed by Tao Huang
parent 42f500840d
commit af3bfcd5cf
2 changed files with 30 additions and 1 deletions
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23
drivers/gpu/drm/rockchip/rockchip_drm_drv.c
View File

@@ -83,7 +83,6 @@ struct rockchip_drm_mode_set {
int ratio;
};
#ifndef MODULE
static DEFINE_MUTEX(rockchip_drm_sub_dev_lock);
static LIST_HEAD(rockchip_drm_sub_dev_list);
@@ -93,6 +92,7 @@ void rockchip_drm_register_sub_dev(struct rockchip_drm_sub_dev *sub_dev)
list_add_tail(&sub_dev->list, &rockchip_drm_sub_dev_list);
mutex_unlock(&rockchip_drm_sub_dev_lock);
}
EXPORT_SYMBOL(rockchip_drm_register_sub_dev);
void rockchip_drm_unregister_sub_dev(struct rockchip_drm_sub_dev *sub_dev)
{
@@ -100,6 +100,7 @@ void rockchip_drm_unregister_sub_dev(struct rockchip_drm_sub_dev *sub_dev)
list_del(&sub_dev->list);
mutex_unlock(&rockchip_drm_sub_dev_lock);
}
EXPORT_SYMBOL(rockchip_drm_unregister_sub_dev);
struct rockchip_drm_sub_dev *rockchip_drm_get_sub_dev(struct device_node *node)
{
@@ -114,7 +115,27 @@ struct rockchip_drm_sub_dev *rockchip_drm_get_sub_dev(struct device_node *node)
return sub_dev;
}
EXPORT_SYMBOL(rockchip_drm_get_sub_dev);
int rockchip_drm_get_sub_dev_type(void)
{
int connector_type = DRM_MODE_CONNECTOR_Unknown;
struct rockchip_drm_sub_dev *sub_dev = NULL;
mutex_lock(&rockchip_drm_sub_dev_lock);
list_for_each_entry(sub_dev, &rockchip_drm_sub_dev_list, list) {
if (sub_dev->connector->encoder) {
connector_type = sub_dev->connector->connector_type;
break;
}
}
mutex_unlock(&rockchip_drm_sub_dev_lock);
return connector_type;
}
EXPORT_SYMBOL(rockchip_drm_get_sub_dev_type);
#ifndef MODULE
static struct drm_crtc *find_crtc_by_node(struct drm_device *drm_dev, struct device_node *node)
{
struct device_node *np_crtc;

8
drivers/gpu/drm/rockchip/rockchip_drm_drv.h
View File

@@ -200,6 +200,14 @@ int rockchip_drm_wait_vact_end(struct drm_crtc *crtc, unsigned int mstimeout);
void rockchip_drm_register_sub_dev(struct rockchip_drm_sub_dev *sub_dev);
void rockchip_drm_unregister_sub_dev(struct rockchip_drm_sub_dev *sub_dev);
struct rockchip_drm_sub_dev *rockchip_drm_get_sub_dev(struct device_node *node);
#if IS_ENABLED(CONFIG_DRM_ROCKCHIP)
int rockchip_drm_get_sub_dev_type(void);
#else
static inline int rockchip_drm_get_sub_dev_type(void)
{
return DRM_MODE_CONNECTOR_Unknown;
}
#endif
#if IS_ENABLED(CONFIG_DRM_ROCKCHIP)
int rockchip_drm_crtc_send_mcu_cmd(struct drm_device *drm_dev,