[PATCH] [RESEND] drm: fb_helper: fix CONFIG_FB dependency

[Daniel Vetter]

On Mon, Sep 27, 2021 at 09:23:45AM -0700, Kees Cook wrote:
> On Mon, Sep 27, 2021 at 04:28:02PM +0200, Arnd Bergmann wrote:
> > From: Arnd Bergmann <arnd at arndb.de>
> > 
> > With CONFIG_FB=m and CONFIG_DRM=y, we get a link error in the fb helper:
> > 
> > aarch64-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_alloc_fbi':
> > (.text+0x10cc): undefined reference to `framebuffer_alloc'
> > 
> > Tighten the dependency so it is only allowed in the case that DRM can
> > link against FB.
> > 
> > Fixes: f611b1e7624c ("drm: Avoid circular dependencies for CONFIG_FB")
> > Link: https://lore.kernel.org/all/20210721152211.2706171-1-arnd@kernel.org/
> > Signed-off-by: Arnd Bergmann <arnd at arndb.de>
> 
> Thanks for fixing this!
> 
> Reviewed-by: Kees Cook <keescook at chromium.org>

Stuffed into drm-misc-next.

Arnd, I guess I still can't volunteer you for commit rights so I don't
have to bother with this anymore? It's nice to be lazy and comfy :-)

Cheers, Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch