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SubjectRe: [PATCH] fbdev: make offb driver tristate
From
On 12/27/22 19:48, Nathan Chancellor wrote:
> On Sat, Dec 10, 2022 at 05:35:06PM +0100, Helge Deller wrote:
>> On 11/26/22 14:40, Thomas Zimmermann wrote:
>>> Am 26.11.22 um 01:04 schrieb Randy Dunlap:
>>>> Make the offb (Open Firmware frame buffer) driver tristate,
>>>> i.e., so that it can be built as a loadable module.
>>>>
>>>> However, it still depends on the setting of DRM_OFDRM
>>>> so that both of these drivers cannot be builtin at the same time
>>>> nor can one be builtin and the other one a loadable module.
>>>>
>>>> Build-tested successfully with all combination of DRM_OFDRM and FB_OF.
>>>>
>>>> This fixes a build issue that Michal reported when FB_OF=y and
>>>> DRM_OFDRM=m:
>>>>
>>>> powerpc64-linux-ld: drivers/video/fbdev/offb.o:(.data.rel.ro+0x58): undefined reference to `cfb_fillrect'
>>>> powerpc64-linux-ld: drivers/video/fbdev/offb.o:(.data.rel.ro+0x60): undefined reference to `cfb_copyarea'
>>>> powerpc64-linux-ld: drivers/video/fbdev/offb.o:(.data.rel.ro+0x68): undefined reference to `cfb_imageblit'
>>>>
>>>> Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
>>>> Suggested-by: Arnd Bergmann <arnd@arndb.de>
>>>> Cc: Masahiro Yamada <masahiroy@kernel.org>
>>>> Cc: Thomas Zimmermann <tzimmermann@suse.de>
>>>> Cc: Michal Suchánek <msuchanek@suse.de>
>>>> Cc: linuxppc-dev@lists.ozlabs.org
>>>> Cc: Daniel Vetter <daniel@ffwll.ch>
>>>> Cc: Helge Deller <deller@gmx.de>
>>>> Cc: linux-fbdev@vger.kernel.org
>>>> Cc: dri-devel@lists.freedesktop.org
>>>
>>> Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
>>
>> applied.
>
> Is this going to make it to Linus soon? We are now seeing this error in
> our CI, which has the configuration describe in this commit.
>
> https://github.com/ClangBuiltLinux/continuous-integration2/actions/runs/3785609002/jobs/6437398666#step:5:149
>
> https://storage.tuxsuite.com/public/clangbuiltlinux/continuous-integration2/builds/2JUMSmjAoSJoKfl6PPjfU66JGit/build.log


It didn't applied cleanly earlier.
I've now added it to the fbdev for-next branch, and if no problems
show up in the next few days I'll push it before next weekend.
https://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev.git/log/?h=for-next

Helge


> Cheers,
> Nathan
>
>>>> ---
>>>>   drivers/video/fbdev/Kconfig |    4 ++--
>>>>   1 file changed, 2 insertions(+), 2 deletions(-)
>>>>
>>>> diff -- a/drivers/video/fbdev/Kconfig b/drivers/video/fbdev/Kconfig
>>>> --- a/drivers/video/fbdev/Kconfig
>>>> +++ b/drivers/video/fbdev/Kconfig
>>>> @@ -456,8 +456,8 @@ config FB_ATARI
>>>>         chipset found in Ataris.
>>>>   config FB_OF
>>>> -    bool "Open Firmware frame buffer device support"
>>>> -    depends on (FB = y) && PPC && (!PPC_PSERIES || PCI)
>>>> +    tristate "Open Firmware frame buffer device support"
>>>> +    depends on FB && PPC && (!PPC_PSERIES || PCI)
>>>>       depends on !DRM_OFDRM
>>>>       select APERTURE_HELPERS
>>>>       select FB_CFB_FILLRECT
>>>
>>
>>

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