1config DRM_XEN 2 bool "DRM Support for Xen guest OS" 3 depends on XEN 4 help 5 Choose this option if you want to enable DRM support 6 for Xen. 7 8config DRM_XEN_FRONTEND 9 tristate "Para-virtualized frontend driver for Xen guest OS" 10 depends on DRM_XEN 11 depends on DRM 12 select DRM_KMS_HELPER 13 select VIDEOMODE_HELPERS 14 select XEN_XENBUS_FRONTEND 15 help 16 Choose this option if you want to enable a para-virtualized 17 frontend DRM/KMS driver for Xen guest OSes. 18 19config DRM_XEN_FRONTEND_CMA 20 bool "Use DRM CMA to allocate dumb buffers" 21 depends on DRM_XEN_FRONTEND 22 select DRM_KMS_CMA_HELPER 23 select DRM_GEM_CMA_HELPER 24 help 25 Use DRM CMA helpers to allocate display buffers. 26 This is useful for the use-cases when guest driver needs to 27 share or export buffers to other drivers which only expect 28 contiguous buffers. 29 Note: in this mode driver cannot use buffers allocated 30 by the backend. 31