config DRM_XEN bool "DRM Support for Xen guest OS" depends on XEN help Choose this option if you want to enable DRM support for Xen. config DRM_XEN_FRONTEND tristate "Para-virtualized frontend driver for Xen guest OS" depends on DRM_XEN depends on DRM select DRM_KMS_HELPER select VIDEOMODE_HELPERS select XEN_XENBUS_FRONTEND help Choose this option if you want to enable a para-virtualized frontend DRM/KMS driver for Xen guest OSes. config DRM_XEN_FRONTEND_CMA bool "Use DRM CMA to allocate dumb buffers" depends on DRM_XEN_FRONTEND select DRM_KMS_CMA_HELPER select DRM_GEM_CMA_HELPER help Use DRM CMA helpers to allocate display buffers. This is useful for the use-cases when guest driver needs to share or export buffers to other drivers which only expect contiguous buffers. Note: in this mode driver cannot use buffers allocated by the backend.