Messages in this thread | | | Date | Mon, 9 Nov 2015 08:45:10 -0800 | From | Guenter Roeck <> | Subject | Re: linux-next: build failure after merge of the drm tree |
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On Wed, Nov 04, 2015 at 08:22:26PM +1100, Stephen Rothwell wrote: > Hi Dave, > > After merging the drm tree, today's linux-next build (s390 allmodconfig) > failed like this: > > drivers/gpu/drm/nouveau/nvkm/subdev/instmem/gk20a.c:143:2: error: implicit declaration of function 'dma_to_phys' [-Werror=implicit-function-declaration] > > Caused by commit > > 69c4938249fb ("drm/nouveau/instmem/gk20a: use direct CPU access") > > Discovered after the release. > Still seen in next-20151109, affecting at least alpha, i386, parisc, s390, and xtensa, but probably other architectures as well.
dma_to_phys() was until now not used from driver code, and is only declared for an architecture if it is used/needed there.
Also:
ERROR: "drm_gem_cma_create" [drivers/gpu/drm/vc4/vc4.ko] undefined! ERROR: "drm_gem_cma_prime_mmap" [drivers/gpu/drm/vc4/vc4.ko] undefined! ERROR: "drm_gem_cma_prime_get_sg_table" [drivers/gpu/drm/vc4/vc4.ko] undefined! ERROR: "drm_gem_cma_vm_ops" [drivers/gpu/drm/vc4/vc4.ko] undefined! ERROR: "drm_gem_cma_mmap" [drivers/gpu/drm/vc4/vc4.ko] undefined! ERROR: "drm_gem_cma_prime_vunmap" [drivers/gpu/drm/vc4/vc4.ko] undefined! ERROR: "drm_gem_cma_prime_import_sg_table" [drivers/gpu/drm/vc4/vc4.ko] undefined! ERROR: "drm_gem_cma_free_object" [drivers/gpu/drm/vc4/vc4.ko] undefined! ERROR: "drm_gem_cma_prime_vmap" [drivers/gpu/drm/vc4/vc4.ko] undefined! ERROR: "drm_gem_cma_dumb_map_offset" [drivers/gpu/drm/vc4/vc4.ko] undefined! ERROR: "drm_gem_cma_create" [drivers/gpu/drm/drm_kms_helper.ko] undefined! ERROR: "drm_gem_cma_describe" [drivers/gpu/drm/drm_kms_helper.ko] undefined! ERROR: "drm_gem_cma_free_object" [drivers/gpu/drm/drm_kms_helper.ko] undefined!
seen with m68k:allmodconfig.
Guenter
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