root@bpi:/usr/src/DX910-SW-99002-r5p2-00rel0/driver/src/egl/x11/drm_module/mali_drm# KDIR=/lib/modules/4.1.0-rc1/build make
make ARCH=arm -C /lib/modules/4.1.0-rc1/build M=/usr/src/DX910-SW-99002-r5p2-00rel0/driver/src/egl/x11/drm_module/mali_drm modules
make[1]: Entering directory '/usr/src/linux'
  CC [M]  /usr/src/DX910-SW-99002-r5p2-00rel0/driver/src/egl/x11/drm_module/mali_drm/mali/mali_drv.o
In file included from include/linux/module.h:22:0,
                 from include/drm/drm_vma_manager.h:29,
                 from include/drm/drmP.h:75,
                 from /usr/src/DX910-SW-99002-r5p2-00rel0/driver/src/egl/x11/drm_module/mali_drm/mali/mali_drv.c:13:
./arch/arm/include/asm/module.h:44:0: warning: "MODULE_ARCH_VERMAGIC" redefined
 #define MODULE_ARCH_VERMAGIC \
 ^
In file included from /usr/src/DX910-SW-99002-r5p2-00rel0/driver/src/egl/x11/drm_module/mali_drm/mali/mali_drv.c:11:0:
include/linux/vermagic.h:25:0: note: this is the location of the previous definition
 #define MODULE_ARCH_VERMAGIC ""
 ^
In file included from /usr/src/DX910-SW-99002-r5p2-00rel0/driver/src/egl/x11/drm_module/mali_drm/mali/mali_drv.c:15:0:
/usr/src/DX910-SW-99002-r5p2-00rel0/driver/src/egl/x11/drm_module/mali_drm/mali/mali_drv.h:22:26: fatal error: drm/drm_sman.h: Datei oder Verzeichnis nicht gefunden
compilation terminated.
scripts/Makefile.build:258: recipe for target '/usr/src/DX910-SW-99002-r5p2-00rel0/driver/src/egl/x11/drm_module/mali_drm/mali/mali_drv.o' failed
make[2]: *** [/usr/src/DX910-SW-99002-r5p2-00rel0/driver/src/egl/x11/drm_module/mali_drm/mali/mali_drv.o] Error 1
Makefile:1383: recipe for target '_module_/usr/src/DX910-SW-99002-r5p2-00rel0/driver/src/egl/x11/drm_module/mali_drm' failed
make[1]: *** [_module_/usr/src/DX910-SW-99002-r5p2-00rel0/driver/src/egl/x11/drm_module/mali_drm] Error 2
make[1]: Leaving directory '/usr/src/linux'
Makefile:69: recipe for target 'all' failed
make: *** [all] Error 2