drm-fbsd13-kmod make install error

From: <ml_at_ft-c.de>
Date: Sun, 10 Apr 2022 10:45:10 UTC 
Hello, 

When I compiled I get an error.

root@ftc:/usr/ports/graphics/drm-fbsd13-kmod > MAKE_JOBS_UNSAFE=yes
make install 
...
/usr/ports/graphics/drm-fbsd13-kmod/work/drm-kmod-
drm_v5.4.144_6/linuxkpi/gplv2/include/linux/scatterlist.h:41:10: error:
implicit declaration of function 'sg_pcopy_from_buffer' is invalid in
C99 [-Werror,-Wimplicit-function-declaration]
 return (sg_pcopy_from_buffer(sgl, nents, buf, buflen, 0));
 ^
/usr/ports/graphics/drm-fbsd13-kmod/work/drm-kmod-
drm_v5.4.144_6/linuxkpi/gplv2/include/linux/scatterlist.h:41:10: note:
did you mean 'sg_copy_from_buffer'?
/usr/ports/graphics/drm-fbsd13-kmod/work/drm-kmod-
drm_v5.4.144_6/linuxkpi/gplv2/include/linux/scatterlist.h:38:1: note:
'sg_copy_from_buffer' declared here
sg_copy_from_buffer(struct scatterlist *sgl, unsigned int nents,
^
1 error generated.
*** Error code 1

Stop.
make[3]: stopped in /usr/ports/graphics/drm-fbsd13-kmod/work/drm-kmod-
drm_v5.4.144_6/linuxkpi
*** Error code 1

Stop.
make[2]: stopped in /usr/ports/graphics/drm-fbsd13-kmod/work/drm-kmod-
drm_v5.4.144_6
*** Error code 1

Stop.
make[1]: stopped in /usr/ports/graphics/drm-fbsd13-kmod
*** Error code 1

Stop.
make: stopped in /usr/ports/graphics/drm-fbsd13-kmod

What should I do?

Franz