drm/sysfs: split DVI-I and TV-out attributes
authorJani Nikula <jani.nikula@intel.com>
Tue, 12 May 2015 09:14:54 +0000 (12:14 +0300)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Tue, 12 May 2015 17:15:53 +0000 (19:15 +0200)
The show methods for the attributes of DVI-I and TV-out types have a
bunch of code to deal with the differences between the two. Just split
the attributes into connector type specific ones. No functional changes.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
drivers/gpu/drm/drm_sysfs.c

index 674c3df56ea03bebc8ab5bc70f0fa82dd961e07e..34e4fbcf44ba610fbaf76f5b0f3e0954f5337764 100644 (file)
@@ -302,33 +302,28 @@ static ssize_t modes_show(struct device *device,
        return written;
 }
 
-static ssize_t subconnector_show(struct device *device,
-                          struct device_attribute *attr,
-                          char *buf)
+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 = NULL;
+       struct drm_property *prop;
        uint64_t subconnector;
-       int is_tv = 0;
        int ret;
 
        switch (connector->connector_type) {
-               case DRM_MODE_CONNECTOR_DVII:
-                       prop = dev->mode_config.dvi_i_subconnector_property;
-                       break;
-               case DRM_MODE_CONNECTOR_Composite:
-               case DRM_MODE_CONNECTOR_SVIDEO:
-               case DRM_MODE_CONNECTOR_Component:
-               case DRM_MODE_CONNECTOR_TV:
-                       prop = dev->mode_config.tv_subconnector_property;
-                       is_tv = 1;
-                       break;
-               default:
-                       DRM_ERROR("Wrong connector type for this property\n");
-                       return 0;
+       case DRM_MODE_CONNECTOR_Composite:
+       case DRM_MODE_CONNECTOR_SVIDEO:
+       case DRM_MODE_CONNECTOR_Component:
+       case DRM_MODE_CONNECTOR_TV:
+               break;
+       default:
+               DRM_ERROR("Wrong connector type for this property\n");
+               return 0;
        }
 
+       prop = dev->mode_config.tv_subconnector_property;
        if (!prop) {
                DRM_ERROR("Unable to find subconnector property\n");
                return 0;
@@ -338,38 +333,90 @@ static ssize_t subconnector_show(struct device *device,
        if (ret)
                return 0;
 
-       return snprintf(buf, PAGE_SIZE, "%s", is_tv ?
-                       drm_get_tv_subconnector_name((int)subconnector) :
-                       drm_get_dvi_i_subconnector_name((int)subconnector));
+       return snprintf(buf, PAGE_SIZE, "%s",
+                       drm_get_tv_subconnector_name((int)subconnector));
 }
 
-static ssize_t select_subconnector_show(struct device *device,
-                          struct device_attribute *attr,
-                          char *buf)
+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 = NULL;
+       struct drm_property *prop;
        uint64_t subconnector;
-       int is_tv = 0;
        int ret;
 
        switch (connector->connector_type) {
-               case DRM_MODE_CONNECTOR_DVII:
-                       prop = dev->mode_config.dvi_i_select_subconnector_property;
-                       break;
-               case DRM_MODE_CONNECTOR_Composite:
-               case DRM_MODE_CONNECTOR_SVIDEO:
-               case DRM_MODE_CONNECTOR_Component:
-               case DRM_MODE_CONNECTOR_TV:
-                       prop = dev->mode_config.tv_select_subconnector_property;
-                       is_tv = 1;
-                       break;
-               default:
-                       DRM_ERROR("Wrong connector type for this property\n");
-                       return 0;
+       case DRM_MODE_CONNECTOR_Composite:
+       case DRM_MODE_CONNECTOR_SVIDEO:
+       case DRM_MODE_CONNECTOR_Component:
+       case DRM_MODE_CONNECTOR_TV:
+               break;
+       default:
+               DRM_ERROR("Wrong connector type for this property\n");
+               return 0;
+       }
+
+       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;
+
+       if (connector->connector_type != DRM_MODE_CONNECTOR_DVII) {
+               DRM_ERROR("Wrong connector type for this property\n");
+               return 0;
+       }
+
+       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;
+
+       if (connector->connector_type != DRM_MODE_CONNECTOR_DVII) {
+               DRM_ERROR("Wrong connector type for this property\n");
+               return 0;
        }
 
+       prop = dev->mode_config.dvi_i_select_subconnector_property;
        if (!prop) {
                DRM_ERROR("Unable to find select subconnector property\n");
                return 0;
@@ -379,8 +426,7 @@ static ssize_t select_subconnector_show(struct device *device,
        if (ret)
                return 0;
 
-       return snprintf(buf, PAGE_SIZE, "%s", is_tv ?
-                       drm_get_tv_select_name((int)subconnector) :
+       return snprintf(buf, PAGE_SIZE, "%s",
                        drm_get_dvi_i_select_name((int)subconnector));
 }
 
@@ -397,13 +443,21 @@ static struct attribute *connector_dev_attrs[] = {
        NULL
 };
 
-/* These attributes are for both DVI-I connectors and all types of tv-out. */
-static DEVICE_ATTR_RO(subconnector);
-static DEVICE_ATTR_RO(select_subconnector);
+static DEVICE_ATTR_RO(tv_subconnector);
+static DEVICE_ATTR_RO(tv_select_subconnector);
 
 static struct attribute *connector_tv_dev_attrs[] = {
-       &dev_attr_subconnector.attr,
-       &dev_attr_select_subconnector.attr,
+       &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
 };
 
@@ -460,7 +514,7 @@ static const struct attribute_group connector_tv_dev_group = {
 };
 
 static const struct attribute_group connector_dvii_dev_group = {
-       .attrs = connector_tv_dev_attrs, /* same as tv */
+       .attrs = connector_dvii_dev_attrs,
        .is_visible = connector_is_dvii,
 };