On Thu, 04 Nov 2021, Javier Martinez Canillas <javierm@xxxxxxxxxx> wrote:
> +/**
> + * drm_drv_enabled - Checks if a DRM driver can be enabled
> + * @driver: DRM driver to check
> + *
> + * Checks whether a DRM driver can be enabled or not. This may be the case
> + * if the "nomodeset" kernel command line parameter is used.
> + *
> + * Return: 0 on success or a negative error code on failure.
> + */
> +int drm_drv_enabled(const struct drm_driver *driver)
> +{
> + if (vgacon_text_force()) {
> + DRM_INFO("%s driver is disabled\n", driver->name);
> + return -ENODEV;
> + }
> +
> + return 0;
> +}
> +EXPORT_SYMBOL(drm_drv_enabled);
The name implies a bool return, but it's not.
if (drm_drv_enabled(...)) {
/* surprise, it's disabled! */
}
BR,
Jani.
--
Jani Nikula, Intel Open Source Graphics Center
