diff options
Diffstat (limited to 'drivers/gpu/drm/drm_crtc.c')
-rw-r--r-- | drivers/gpu/drm/drm_crtc.c | 368 |
1 files changed, 273 insertions, 95 deletions
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index aa76700..e8acc19 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -381,6 +381,8 @@ int drm_crtc_init(struct drm_device *dev, struct drm_crtc *crtc, if (ret) goto out; + crtc->base.properties = &crtc->properties; + list_add_tail(&crtc->head, &dev->mode_config.crtc_list); dev->mode_config.num_crtc++; @@ -480,6 +482,7 @@ int drm_connector_init(struct drm_device *dev, if (ret) goto out; + connector->base.properties = &connector->properties; connector->dev = dev; connector->funcs = funcs; connector->connector_type = connector_type; @@ -602,6 +605,7 @@ int drm_plane_init(struct drm_device *dev, struct drm_plane *plane, if (ret) goto out; + plane->base.properties = &plane->properties; plane->dev = dev; plane->funcs = funcs; plane->format_types = kmalloc(sizeof(uint32_t) * format_count, @@ -1421,11 +1425,7 @@ int drm_mode_getconnector(struct drm_device *dev, void *data, } connector = obj_to_connector(obj); - for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { - if (connector->property_ids[i] != 0) { - props_count++; - } - } + props_count = connector->properties.count; for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { if (connector->encoder_ids[i] != 0) { @@ -1478,21 +1478,19 @@ int drm_mode_getconnector(struct drm_device *dev, void *data, copied = 0; prop_ptr = (uint32_t __user *)(unsigned long)(out_resp->props_ptr); prop_values = (uint64_t __user *)(unsigned long)(out_resp->prop_values_ptr); - for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { - if (connector->property_ids[i] != 0) { - if (put_user(connector->property_ids[i], - prop_ptr + copied)) { - ret = -EFAULT; - goto out; - } + for (i = 0; i < connector->properties.count; i++) { + if (put_user(connector->properties.ids[i], + prop_ptr + copied)) { + ret = -EFAULT; + goto out; + } - if (put_user(connector->property_values[i], - prop_values + copied)) { - ret = -EFAULT; - goto out; - } - copied++; + if (put_user(connector->properties.values[i], + prop_values + copied)) { + ret = -EFAULT; + goto out; } + copied++; } } out_resp->count_props = props_count; @@ -2712,6 +2710,34 @@ struct drm_property *drm_property_create_enum(struct drm_device *dev, int flags, } EXPORT_SYMBOL(drm_property_create_enum); +struct drm_property *drm_property_create_bitmask(struct drm_device *dev, + int flags, const char *name, + const struct drm_prop_enum_list *props, + int num_values) +{ + struct drm_property *property; + int i, ret; + + flags |= DRM_MODE_PROP_BITMASK; + + property = drm_property_create(dev, flags, name, num_values); + if (!property) + return NULL; + + for (i = 0; i < num_values; i++) { + ret = drm_property_add_enum(property, i, + props[i].type, + props[i].name); + if (ret) { + drm_property_destroy(dev, property); + return NULL; + } + } + + return property; +} +EXPORT_SYMBOL(drm_property_create_bitmask); + struct drm_property *drm_property_create_range(struct drm_device *dev, int flags, const char *name, uint64_t min, uint64_t max) @@ -2736,7 +2762,14 @@ int drm_property_add_enum(struct drm_property *property, int index, { struct drm_property_enum *prop_enum; - if (!(property->flags & DRM_MODE_PROP_ENUM)) + if (!(property->flags & (DRM_MODE_PROP_ENUM | DRM_MODE_PROP_BITMASK))) + return -EINVAL; + + /* + * Bitmask enum properties have the additional constraint of values + * from 0 to 63 + */ + if ((property->flags & DRM_MODE_PROP_BITMASK) && (value > 63)) return -EINVAL; if (!list_empty(&property->enum_blob_list)) { @@ -2780,60 +2813,78 @@ void drm_property_destroy(struct drm_device *dev, struct drm_property *property) } EXPORT_SYMBOL(drm_property_destroy); -int drm_connector_attach_property(struct drm_connector *connector, +void drm_connector_attach_property(struct drm_connector *connector, struct drm_property *property, uint64_t init_val) { - int i; - - for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { - if (connector->property_ids[i] == 0) { - connector->property_ids[i] = property->base.id; - connector->property_values[i] = init_val; - break; - } - } - - if (i == DRM_CONNECTOR_MAX_PROPERTY) - return -EINVAL; - return 0; + drm_object_attach_property(&connector->base, property, init_val); } EXPORT_SYMBOL(drm_connector_attach_property); int drm_connector_property_set_value(struct drm_connector *connector, struct drm_property *property, uint64_t value) { + return drm_object_property_set_value(&connector->base, property, value); +} +EXPORT_SYMBOL(drm_connector_property_set_value); + +int drm_connector_property_get_value(struct drm_connector *connector, + struct drm_property *property, uint64_t *val) +{ + return drm_object_property_get_value(&connector->base, property, val); +} +EXPORT_SYMBOL(drm_connector_property_get_value); + +void drm_object_attach_property(struct drm_mode_object *obj, + struct drm_property *property, + uint64_t init_val) +{ + int count = obj->properties->count; + + if (count == DRM_OBJECT_MAX_PROPERTY) { + WARN(1, "Failed to attach object property (type: 0x%x). Please " + "increase DRM_OBJECT_MAX_PROPERTY by 1 for each time " + "you see this message on the same object type.\n", + obj->type); + return; + } + + obj->properties->ids[count] = property->base.id; + obj->properties->values[count] = init_val; + obj->properties->count++; +} +EXPORT_SYMBOL(drm_object_attach_property); + +int drm_object_property_set_value(struct drm_mode_object *obj, + struct drm_property *property, uint64_t val) +{ int i; - for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { - if (connector->property_ids[i] == property->base.id) { - connector->property_values[i] = value; - break; + for (i = 0; i < obj->properties->count; i++) { + if (obj->properties->ids[i] == property->base.id) { + obj->properties->values[i] = val; + return 0; } } - if (i == DRM_CONNECTOR_MAX_PROPERTY) - return -EINVAL; - return 0; + return -EINVAL; } -EXPORT_SYMBOL(drm_connector_property_set_value); +EXPORT_SYMBOL(drm_object_property_set_value); -int drm_connector_property_get_value(struct drm_connector *connector, +int drm_object_property_get_value(struct drm_mode_object *obj, struct drm_property *property, uint64_t *val) { int i; - for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { - if (connector->property_ids[i] == property->base.id) { - *val = connector->property_values[i]; - break; + for (i = 0; i < obj->properties->count; i++) { + if (obj->properties->ids[i] == property->base.id) { + *val = obj->properties->values[i]; + return 0; } } - if (i == DRM_CONNECTOR_MAX_PROPERTY) - return -EINVAL; - return 0; + return -EINVAL; } -EXPORT_SYMBOL(drm_connector_property_get_value); +EXPORT_SYMBOL(drm_object_property_get_value); int drm_mode_getproperty_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv) @@ -2864,7 +2915,7 @@ int drm_mode_getproperty_ioctl(struct drm_device *dev, } property = obj_to_property(obj); - if (property->flags & DRM_MODE_PROP_ENUM) { + if (property->flags & (DRM_MODE_PROP_ENUM | DRM_MODE_PROP_BITMASK)) { list_for_each_entry(prop_enum, &property->enum_blob_list, head) enum_count++; } else if (property->flags & DRM_MODE_PROP_BLOB) { @@ -2889,7 +2940,7 @@ int drm_mode_getproperty_ioctl(struct drm_device *dev, } out_resp->count_values = value_count; - if (property->flags & DRM_MODE_PROP_ENUM) { + if (property->flags & (DRM_MODE_PROP_ENUM | DRM_MODE_PROP_BITMASK)) { if ((out_resp->count_enum_blobs >= enum_count) && enum_count) { copied = 0; enum_ptr = (struct drm_mode_property_enum __user *)(unsigned long)out_resp->enum_blob_ptr; @@ -3035,75 +3086,202 @@ int drm_mode_connector_update_edid_property(struct drm_connector *connector, } EXPORT_SYMBOL(drm_mode_connector_update_edid_property); +static bool drm_property_change_is_valid(struct drm_property *property, + __u64 value) +{ + if (property->flags & DRM_MODE_PROP_IMMUTABLE) + return false; + if (property->flags & DRM_MODE_PROP_RANGE) { + if (value < property->values[0] || value > property->values[1]) + return false; + return true; + } else if (property->flags & DRM_MODE_PROP_BITMASK) { + int i; + __u64 valid_mask = 0; + for (i = 0; i < property->num_values; i++) + valid_mask |= (1ULL << property->values[i]); + return !(value & ~valid_mask); + } else { + int i; + for (i = 0; i < property->num_values; i++) + if (property->values[i] == value) + return true; + return false; + } +} + int drm_mode_connector_property_set_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv) { - struct drm_mode_connector_set_property *out_resp = data; - struct drm_mode_object *obj; - struct drm_property *property; - struct drm_connector *connector; + struct drm_mode_connector_set_property *conn_set_prop = data; + struct drm_mode_obj_set_property obj_set_prop = { + .value = conn_set_prop->value, + .prop_id = conn_set_prop->prop_id, + .obj_id = conn_set_prop->connector_id, + .obj_type = DRM_MODE_OBJECT_CONNECTOR + }; + + /* It does all the locking and checking we need */ + return drm_mode_obj_set_property_ioctl(dev, &obj_set_prop, file_priv); +} + +static int drm_mode_connector_set_obj_prop(struct drm_mode_object *obj, + struct drm_property *property, + uint64_t value) +{ + int ret = -EINVAL; + struct drm_connector *connector = obj_to_connector(obj); + + /* Do DPMS ourselves */ + if (property == connector->dev->mode_config.dpms_property) { + if (connector->funcs->dpms) + (*connector->funcs->dpms)(connector, (int)value); + ret = 0; + } else if (connector->funcs->set_property) + ret = connector->funcs->set_property(connector, property, value); + + /* store the property value if successful */ + if (!ret) + drm_connector_property_set_value(connector, property, value); + return ret; +} + +static int drm_mode_crtc_set_obj_prop(struct drm_mode_object *obj, + struct drm_property *property, + uint64_t value) +{ + int ret = -EINVAL; + struct drm_crtc *crtc = obj_to_crtc(obj); + + if (crtc->funcs->set_property) + ret = crtc->funcs->set_property(crtc, property, value); + if (!ret) + drm_object_property_set_value(obj, property, value); + + return ret; +} + +static int drm_mode_plane_set_obj_prop(struct drm_mode_object *obj, + struct drm_property *property, + uint64_t value) +{ int ret = -EINVAL; + struct drm_plane *plane = obj_to_plane(obj); + + if (plane->funcs->set_property) + ret = plane->funcs->set_property(plane, property, value); + if (!ret) + drm_object_property_set_value(obj, property, value); + + return ret; +} + +int drm_mode_obj_get_properties_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv) +{ + struct drm_mode_obj_get_properties *arg = data; + struct drm_mode_object *obj; + int ret = 0; int i; + int copied = 0; + int props_count = 0; + uint32_t __user *props_ptr; + uint64_t __user *prop_values_ptr; if (!drm_core_check_feature(dev, DRIVER_MODESET)) return -EINVAL; mutex_lock(&dev->mode_config.mutex); - obj = drm_mode_object_find(dev, out_resp->connector_id, DRM_MODE_OBJECT_CONNECTOR); + obj = drm_mode_object_find(dev, arg->obj_id, arg->obj_type); if (!obj) { + ret = -EINVAL; + goto out; + } + if (!obj->properties) { + ret = -EINVAL; goto out; } - connector = obj_to_connector(obj); - for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { - if (connector->property_ids[i] == out_resp->prop_id) - break; + props_count = obj->properties->count; + + /* This ioctl is called twice, once to determine how much space is + * needed, and the 2nd time to fill it. */ + if ((arg->count_props >= props_count) && props_count) { + copied = 0; + props_ptr = (uint32_t __user *)(unsigned long)(arg->props_ptr); + prop_values_ptr = (uint64_t __user *)(unsigned long) + (arg->prop_values_ptr); + for (i = 0; i < props_count; i++) { + if (put_user(obj->properties->ids[i], + props_ptr + copied)) { + ret = -EFAULT; + goto out; + } + if (put_user(obj->properties->values[i], + prop_values_ptr + copied)) { + ret = -EFAULT; + goto out; + } + copied++; + } } + arg->count_props = props_count; +out: + mutex_unlock(&dev->mode_config.mutex); + return ret; +} + +int drm_mode_obj_set_property_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv) +{ + struct drm_mode_obj_set_property *arg = data; + struct drm_mode_object *arg_obj; + struct drm_mode_object *prop_obj; + struct drm_property *property; + int ret = -EINVAL; + int i; - if (i == DRM_CONNECTOR_MAX_PROPERTY) { + if (!drm_core_check_feature(dev, DRIVER_MODESET)) + return -EINVAL; + + mutex_lock(&dev->mode_config.mutex); + + arg_obj = drm_mode_object_find(dev, arg->obj_id, arg->obj_type); + if (!arg_obj) + goto out; + if (!arg_obj->properties) goto out; - } - obj = drm_mode_object_find(dev, out_resp->prop_id, DRM_MODE_OBJECT_PROPERTY); - if (!obj) { + for (i = 0; i < arg_obj->properties->count; i++) + if (arg_obj->properties->ids[i] == arg->prop_id) + break; + + if (i == arg_obj->properties->count) goto out; - } - property = obj_to_property(obj); - if (property->flags & DRM_MODE_PROP_IMMUTABLE) + prop_obj = drm_mode_object_find(dev, arg->prop_id, + DRM_MODE_OBJECT_PROPERTY); + if (!prop_obj) goto out; + property = obj_to_property(prop_obj); - if (property->flags & DRM_MODE_PROP_RANGE) { - if (out_resp->value < property->values[0]) - goto out; + if (!drm_property_change_is_valid(property, arg->value)) + goto out; - if (out_resp->value > property->values[1]) - goto out; - } else { - int found = 0; - for (i = 0; i < property->num_values; i++) { - if (property->values[i] == out_resp->value) { - found = 1; - break; - } - } - if (!found) { - goto out; - } + switch (arg_obj->type) { + case DRM_MODE_OBJECT_CONNECTOR: + ret = drm_mode_connector_set_obj_prop(arg_obj, property, + arg->value); + break; + case DRM_MODE_OBJECT_CRTC: + ret = drm_mode_crtc_set_obj_prop(arg_obj, property, arg->value); + break; + case DRM_MODE_OBJECT_PLANE: + ret = drm_mode_plane_set_obj_prop(arg_obj, property, arg->value); + break; } - /* Do DPMS ourselves */ - if (property == connector->dev->mode_config.dpms_property) { - if (connector->funcs->dpms) - (*connector->funcs->dpms)(connector, (int) out_resp->value); - ret = 0; - } else if (connector->funcs->set_property) - ret = connector->funcs->set_property(connector, property, out_resp->value); - - /* store the property value if successful */ - if (!ret) - drm_connector_property_set_value(connector, property, out_resp->value); out: mutex_unlock(&dev->mode_config.mutex); return ret; |