vboxvideo code uses various ttm_* functions, so it needs "drivers/gpu/drm/ttm/*" to be built. In order to build these objects select DRM_TTM. This commit fixes "ttm_*" undefined build errors. Signed-off-by: Cihangir Akturk <cakturk@xxxxxxxxx> --- drivers/staging/vboxvideo/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/staging/vboxvideo/Kconfig b/drivers/staging/vboxvideo/Kconfig index f89f931..1f4182e 100644 --- a/drivers/staging/vboxvideo/Kconfig +++ b/drivers/staging/vboxvideo/Kconfig @@ -2,6 +2,7 @@ config DRM_VBOXVIDEO tristate "Virtual Box Graphics Card" depends on DRM && X86 && PCI select DRM_KMS_HELPER + select DRM_TTM select GENERIC_ALLOCATOR help This is a KMS driver for the virtual Graphics Card used in -- 2.7.4 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel