diff options
Diffstat (limited to 'drivers/gpu/drm/drm_sysfs.c')
-rw-r--r-- | drivers/gpu/drm/drm_sysfs.c | 167 |
1 files changed, 8 insertions, 159 deletions
diff --git a/drivers/gpu/drm/drm_sysfs.c b/drivers/gpu/drm/drm_sysfs.c index d503f8e..fa7fadc 100644 --- a/drivers/gpu/drm/drm_sysfs.c +++ b/drivers/gpu/drm/drm_sysfs.c @@ -208,9 +208,12 @@ static ssize_t status_show(struct device *device, char *buf) { struct drm_connector *connector = to_drm_connector(device); + enum drm_connector_status status; + + status = READ_ONCE(connector->status); return snprintf(buf, PAGE_SIZE, "%s\n", - drm_get_connector_status_name(connector->status)); + drm_get_connector_status_name(status)); } static ssize_t dpms_show(struct device *device, @@ -231,9 +234,11 @@ static ssize_t enabled_show(struct device *device, char *buf) { struct drm_connector *connector = to_drm_connector(device); + bool enabled; + + enabled = READ_ONCE(connector->encoder); - return snprintf(buf, PAGE_SIZE, "%s\n", connector->encoder ? "enabled" : - "disabled"); + return snprintf(buf, PAGE_SIZE, enabled ? "enabled\n" : "disabled\n"); } static ssize_t edid_show(struct file *filp, struct kobject *kobj, @@ -287,102 +292,6 @@ static ssize_t modes_show(struct device *device, return written; } -static ssize_t tv_subconnector_show(struct device *device, - struct device_attribute *attr, - char *buf) -{ - struct drm_connector *connector = to_drm_connector(device); - struct drm_device *dev = connector->dev; - struct drm_property *prop; - uint64_t subconnector; - int ret; - - prop = dev->mode_config.tv_subconnector_property; - if (!prop) { - DRM_ERROR("Unable to find subconnector property\n"); - return 0; - } - - ret = drm_object_property_get_value(&connector->base, prop, &subconnector); - if (ret) - return 0; - - return snprintf(buf, PAGE_SIZE, "%s", - drm_get_tv_subconnector_name((int)subconnector)); -} - -static ssize_t tv_select_subconnector_show(struct device *device, - struct device_attribute *attr, - char *buf) -{ - struct drm_connector *connector = to_drm_connector(device); - struct drm_device *dev = connector->dev; - struct drm_property *prop; - uint64_t subconnector; - int ret; - - prop = dev->mode_config.tv_select_subconnector_property; - if (!prop) { - DRM_ERROR("Unable to find select subconnector property\n"); - return 0; - } - - ret = drm_object_property_get_value(&connector->base, prop, &subconnector); - if (ret) - return 0; - - return snprintf(buf, PAGE_SIZE, "%s", - drm_get_tv_select_name((int)subconnector)); -} - -static ssize_t dvii_subconnector_show(struct device *device, - struct device_attribute *attr, - char *buf) -{ - struct drm_connector *connector = to_drm_connector(device); - struct drm_device *dev = connector->dev; - struct drm_property *prop; - uint64_t subconnector; - int ret; - - prop = dev->mode_config.dvi_i_subconnector_property; - if (!prop) { - DRM_ERROR("Unable to find subconnector property\n"); - return 0; - } - - ret = drm_object_property_get_value(&connector->base, prop, &subconnector); - if (ret) - return 0; - - return snprintf(buf, PAGE_SIZE, "%s", - drm_get_dvi_i_subconnector_name((int)subconnector)); -} - -static ssize_t dvii_select_subconnector_show(struct device *device, - struct device_attribute *attr, - char *buf) -{ - struct drm_connector *connector = to_drm_connector(device); - struct drm_device *dev = connector->dev; - struct drm_property *prop; - uint64_t subconnector; - int ret; - - prop = dev->mode_config.dvi_i_select_subconnector_property; - if (!prop) { - DRM_ERROR("Unable to find select subconnector property\n"); - return 0; - } - - ret = drm_object_property_get_value(&connector->base, prop, &subconnector); - if (ret) - return 0; - - return snprintf(buf, PAGE_SIZE, "%s", - drm_get_dvi_i_select_name((int)subconnector)); -} - static DEVICE_ATTR_RW(status); static DEVICE_ATTR_RO(enabled); static DEVICE_ATTR_RO(dpms); @@ -396,54 +305,6 @@ static struct attribute *connector_dev_attrs[] = { NULL }; -static DEVICE_ATTR_RO(tv_subconnector); -static DEVICE_ATTR_RO(tv_select_subconnector); - -static struct attribute *connector_tv_dev_attrs[] = { - &dev_attr_tv_subconnector.attr, - &dev_attr_tv_select_subconnector.attr, - NULL -}; - -static DEVICE_ATTR_RO(dvii_subconnector); -static DEVICE_ATTR_RO(dvii_select_subconnector); - -static struct attribute *connector_dvii_dev_attrs[] = { - &dev_attr_dvii_subconnector.attr, - &dev_attr_dvii_select_subconnector.attr, - NULL -}; - -/* Connector type related helpers */ -static int kobj_connector_type(struct kobject *kobj) -{ - struct device *dev = kobj_to_dev(kobj); - struct drm_connector *connector = to_drm_connector(dev); - - return connector->connector_type; -} - -static umode_t connector_is_dvii(struct kobject *kobj, - struct attribute *attr, int idx) -{ - return kobj_connector_type(kobj) == DRM_MODE_CONNECTOR_DVII ? - attr->mode : 0; -} - -static umode_t connector_is_tv(struct kobject *kobj, - struct attribute *attr, int idx) -{ - switch (kobj_connector_type(kobj)) { - case DRM_MODE_CONNECTOR_Composite: - case DRM_MODE_CONNECTOR_SVIDEO: - case DRM_MODE_CONNECTOR_Component: - case DRM_MODE_CONNECTOR_TV: - return attr->mode; - } - - return 0; -} - static struct bin_attribute edid_attr = { .attr.name = "edid", .attr.mode = 0444, @@ -461,20 +322,8 @@ static const struct attribute_group connector_dev_group = { .bin_attrs = connector_bin_attrs, }; -static const struct attribute_group connector_tv_dev_group = { - .attrs = connector_tv_dev_attrs, - .is_visible = connector_is_tv, -}; - -static const struct attribute_group connector_dvii_dev_group = { - .attrs = connector_dvii_dev_attrs, - .is_visible = connector_is_dvii, -}; - static const struct attribute_group *connector_dev_groups[] = { &connector_dev_group, - &connector_tv_dev_group, - &connector_dvii_dev_group, NULL }; |