installation problem

[saikat0003]

saikat@saikat-ROG-Strix:~/Downloads/fl2000_drm-master$ make
make CHECK="/usr/bin/sparse" -C /lib/modules/5.13.0-28-generic/build M=/home/saikat/Downloads/fl2000_drm-master modules
make[1]: Entering directory '/usr/src/linux-headers-5.13.0-28-generic'
CC [M] /home/saikat/Downloads/fl2000_drm-master/fl2000_gem.o
/home/saikat/Downloads/fl2000_drm-master/fl2000_gem.c: In function ‘fl2000_gem_prime_import_sg_table’:
/home/saikat/Downloads/fl2000_drm-master/fl2000_gem.c:234:8: error: implicit declaration of function ‘drm_prime_sg_to_page_addr_arrays’; did you mean ‘drm_prime_sg_to_dma_addr_array’? [-Werror=implicit-function-declaration]
234 | ret = drm_prime_sg_to_page_addr_arrays(sgt, obj->pages, NULL, obj->num_pages);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
| drm_prime_sg_to_dma_addr_array
/home/saikat/Downloads/fl2000_drm-master/fl2000_gem.c: At top level:
/home/saikat/Downloads/fl2000_drm-master/fl2000_gem.c:270:10: error: initialization of ‘int (*)(struct drm_gem_object *, struct dma_buf_map )’ from incompatible pointer type ‘void * ()(struct drm_gem_object )’ [-Werror=incompatible-pointer-types]
270 | .vmap = fl2000_gem_prime_vmap,
| ^~~~~~~~~~~~~~~~~~~~~
/home/saikat/Downloads/fl2000_drm-master/fl2000_gem.c:270:10: note: (near initialization for ‘fl2000_gem_default_funcs.vmap’)
/home/saikat/Downloads/fl2000_drm-master/fl2000_gem.c:271:12: error: initialization of ‘void ()(struct drm_gem_object *, struct dma_buf_map )’ from incompatible pointer type ‘void ()(struct drm_gem_object *, void *)’ [-Werror=incompatible-pointer-types]
271 | .vunmap = fl2000_gem_prime_vunmap,
| ^~~~~~~~~~~~~~~~~~~~~~~
/home/saikat/Downloads/fl2000_drm-master/fl2000_gem.c:271:12: note: (near initialization for ‘fl2000_gem_default_funcs.vunmap’)
cc1: some warnings being treated as errors
make[2]: *** [scripts/Makefile.build:281: /home/saikat/Downloads/fl2000_drm-master/fl2000_gem.o] Error 1
make[1]: *** [Makefile:1879: /home/saikat/Downloads/fl2000_drm-master] Error 2
make[1]: Leaving directory '/usr/src/linux-headers-5.13.0-28-generic'
make: *** [Makefile:21: modules] Error 2

[petereon]

This is a duplicate of #47 , seems like maintainers no longer works on this. I have worked on it a bit in my fork and it now compiles but I did not get it to work yet.