Re: linux-next: build failure after merge of the drm-misc tree

[Thomas Zimmermann <tzimmermann@xxxxxxx>]

Hi

Am 23.11.22 um 06:35 schrieb David Airlie:
> On Wed, Nov 23, 2022 at 3:21 PM Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote:
> > Hi all,
> >
> > On Thu, 17 Nov 2022 18:32:14 +1100 Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote:
> > > After merging the drm-misc tree, today's linux-next build (powerpc
> > > ppc44x_defconfig) failed like this:
> > >
> > > ld: drivers/video/fbdev/core/fbmon.o: in function `fb_modesetting_disabled':
> > > fbmon.c:(.text+0x1e4): multiple definition of `fb_modesetting_disabled'; drivers/video/fbdev/core/fbmem.o:fbmem.c:(.text+0x1bac): first defined here
> > > ld: drivers/video/fbdev/core/fbcmap.o: in function `fb_modesetting_disabled':
> > > fbcmap.c:(.text+0x478): multiple definition of `fb_modesetting_disabled'; drivers/video/fbdev/core/fbmem.o:fbmem.c:(.text+0x1bac): first defined here
> > > ld: drivers/video/fbdev/core/fbsysfs.o: in function `fb_modesetting_disabled':
> > > fbsysfs.c:(.text+0xb64): multiple definition of `fb_modesetting_disabled'; drivers/video/fbdev/core/fbmem.o:fbmem.c:(.text+0x1bac): first defined here
> > > ld: drivers/video/fbdev/core/modedb.o: in function `fb_modesetting_disabled':
> > > modedb.c:(.text+0x129c): multiple definition of `fb_modesetting_disabled'; drivers/video/fbdev/core/fbmem.o:fbmem.c:(.text+0x1bac): first defined here
> > > ld: drivers/video/fbdev/core/fbcvt.o: in function `fb_modesetting_disabled':
> > > fbcvt.c:(.text+0x0): multiple definition of `fb_modesetting_disabled'; drivers/video/fbdev/core/fbmem.o:fbmem.c:(.text+0x1bac): first defined here
> > >
> > > Caused by commit
> > >
> > >    0ba2fa8cbd29 ("fbdev: Add support for the nomodeset kernel parameter")
> > >
> > > This build does not have CONFIG_VIDEO_NOMODESET set.
> > >
> > > I applied the following patch for today.
> > >
> > >  From 63f957a050c62478ed1348c5b204bc65c68df4d7 Mon Sep 17 00:00:00 2001
> > > From: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
> > > Date: Thu, 17 Nov 2022 18:19:22 +1100
> > > Subject: [PATCH] fix up for "fbdev: Add support for the nomodeset kernel parameter"
> > >
> > > Signed-off-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
> > > ---
> > >   include/linux/fb.h | 2 +-
> > >   1 file changed, 1 insertion(+), 1 deletion(-)
> > >
> > > diff --git a/include/linux/fb.h b/include/linux/fb.h
> > > index 3a822e4357b1..ea421724f733 100644
> > > --- a/include/linux/fb.h
> > > +++ b/include/linux/fb.h
> > > @@ -807,7 +807,7 @@ extern int fb_find_mode(struct fb_var_screeninfo *var,
> > >   #if defined(CONFIG_VIDEO_NOMODESET)
> > >   bool fb_modesetting_disabled(const char *drvname);
> > >   #else
> > > -bool fb_modesetting_disabled(const char *drvname)
> > > +static inline bool fb_modesetting_disabled(const char *drvname)
> > >   {
> > >        return false;
> > >   }
> > > --
> > > 2.35.1
> >
> > This commit went away for a couple of linux-next releases, but now has
> > reappeared in the drm tree :-(  What went wrong?
>
> Nothing gone wrong as such, just the drm-misc-next pull request was
> sent on a regular weekly cadence, then I merged it a few days later.
> The fix for this is still in the drm-misc-next queue for the next PR
> which I will get this week.

The next PR should be drm-misc-next-fixes. FYI I forwarded the tree and 
cherry-picked the patch from drm-misc-next.

Best regards
Thomas

> Dave.

--
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Maxfeldstr. 5, 90409 Nürnberg, Germany
(HRB 36809, AG Nürnberg)
Geschäftsführer: Ivo Totev

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