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Message-ID: <20221118150351.GV28810@kitsune.suse.cz>
Date: Fri, 18 Nov 2022 16:03:51 +0100
From: Michal Suchánek <msuchanek@...e.de>
To: linux-kernel@...r.kernel.org
Cc: linuxppc-dev@...ts.ozlabs.org, linux-fbdev@...r.kernel.org,
linux-kbuild@...r.kernel.org
Subject: build failure in linux-next: offb missing fb helpers
Hello,
I am seeing these errors:
[ 3825s] AR built-in.a
[ 3827s] AR vmlinux.a
[ 3835s] LD vmlinux.o
[ 3835s] OBJCOPY modules.builtin.modinfo
[ 3835s] GEN modules.builtin
[ 3835s] GEN .vmlinux.objs
[ 3848s] MODPOST Module.symvers
[ 3848s] CC .vmlinux.export.o
[ 3849s] UPD include/generated/utsversion.h
[ 3849s] CC init/version-timestamp.o
[ 3849s] LD .tmp_vmlinux.btf
[ 3864s] ld: drivers/video/fbdev/offb.o:(.data.rel.ro+0x58): undefined
reference to `cfb_fillrect'
[ 3864s] ld: drivers/video/fbdev/offb.o:(.data.rel.ro+0x60): undefined
reference to `cfb_copyarea'
[ 3864s] ld: drivers/video/fbdev/offb.o:(.data.rel.ro+0x68): undefined
reference to `cfb_imageblit'
cfb_fillrect is provided by drivers/video/fbdev/core/cfbfillrect.c
It is compiled when CONFIG_FB_CFB_FILLRECT
drivers/video/fbdev/core/Makefile:obj-$(CONFIG_FB_CFB_FILLRECT) += cfbfillrect.o
drivers/video/fbdev/Makefile:obj-$(CONFIG_FB_OF) += offb.o
is compiled when CONFIG_FB_OF
It selects CONFIG_FB_CFB_FILLRECT
config FB_OF
bool "Open Firmware frame buffer device support"
depends on (FB = y) && PPC && (!PPC_PSERIES || PCI)
select APERTURE_HELPERS
select FB_CFB_FILLRECT
select FB_CFB_COPYAREA
select FB_CFB_IMAGEBLIT
select FB_MACMODES
The config has FB_OF built-in and FB_CFB_FILLRECT modular
config/ppc64le/vanilla:CONFIG_FB_CFB_FILLRECT=m
config/ppc64le/vanilla:CONFIG_FB_CFB_COPYAREA=m
config/ppc64le/vanilla:CONFIG_FB_CFB_IMAGEBLIT=m
config/ppc64le/vanilla:CONFIG_FB_OF=y
It only depends on FB which mut be built-in for FB_OF
config FB_CFB_FILLRECT
tristate
depends on FB
Is select in kconfig broken?
Attachnig the config in question.
Thanks
Michal
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