diff options
Diffstat (limited to 'drivers/gpu/drm/drm_mode_object.c')
| -rw-r--r-- | drivers/gpu/drm/drm_mode_object.c | 49 |
1 files changed, 30 insertions, 19 deletions
diff --git a/drivers/gpu/drm/drm_mode_object.c b/drivers/gpu/drm/drm_mode_object.c index da9a9adbcc98..92743a796bf0 100644 --- a/drivers/gpu/drm/drm_mode_object.c +++ b/drivers/gpu/drm/drm_mode_object.c @@ -233,6 +233,9 @@ int drm_object_property_set_value(struct drm_mode_object *obj, { int i; + WARN_ON(drm_drv_uses_atomic_modeset(property->dev) && + !(property->flags & DRM_MODE_PROP_IMMUTABLE)); + for (i = 0; i < obj->properties->count; i++) { if (obj->properties->properties[i] == property) { obj->properties->values[i] = val; @@ -244,24 +247,7 @@ int drm_object_property_set_value(struct drm_mode_object *obj, } EXPORT_SYMBOL(drm_object_property_set_value); -/** - * drm_object_property_get_value - retrieve the value of a property - * @obj: drm mode object to get property value from - * @property: property to retrieve - * @val: storage for the property value - * - * This function retrieves the softare state of the given property for the given - * property. Since there is no driver callback to retrieve the current property - * value this might be out of sync with the hardware, depending upon the driver - * and property. - * - * Atomic drivers should never call this function directly, the core will read - * out property values through the various ->atomic_get_property callbacks. - * - * Returns: - * Zero on success, error code on failure. - */ -int drm_object_property_get_value(struct drm_mode_object *obj, +int __drm_object_property_get_value(struct drm_mode_object *obj, struct drm_property *property, uint64_t *val) { int i; @@ -284,6 +270,31 @@ int drm_object_property_get_value(struct drm_mode_object *obj, return -EINVAL; } + +/** + * drm_object_property_get_value - retrieve the value of a property + * @obj: drm mode object to get property value from + * @property: property to retrieve + * @val: storage for the property value + * + * This function retrieves the softare state of the given property for the given + * property. Since there is no driver callback to retrieve the current property + * value this might be out of sync with the hardware, depending upon the driver + * and property. + * + * Atomic drivers should never call this function directly, the core will read + * out property values through the various ->atomic_get_property callbacks. + * + * Returns: + * Zero on success, error code on failure. + */ +int drm_object_property_get_value(struct drm_mode_object *obj, + struct drm_property *property, uint64_t *val) +{ + WARN_ON(drm_drv_uses_atomic_modeset(property->dev)); + + return __drm_object_property_get_value(obj, property, val); +} EXPORT_SYMBOL(drm_object_property_get_value); /* helper for getconnector and getproperties ioctls */ @@ -302,7 +313,7 @@ int drm_mode_object_get_properties(struct drm_mode_object *obj, bool atomic, continue; if (*arg_count_props > count) { - ret = drm_object_property_get_value(obj, prop, &val); + ret = __drm_object_property_get_value(obj, prop, &val); if (ret) return ret; |