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

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On Thu, Oct 28, 2021 at 5:24 PM Daniel Vetter <daniel@xxxxxxxx> wrote:
>
> On Wed, Oct 27, 2021 at 03:19:34PM +0200, Javier Martinez Canillas wrote:
> > On 10/27/21 14:18, Arnd Bergmann wrote:
> >
> > [snip]
> >
> > > Right, how about this change on top?
> > >
> > > --- a/drivers/gpu/drm/Kconfig
> > > +++ b/drivers/gpu/drm/Kconfig
> > > @@ -117,9 +117,8 @@ config DRM_DEBUG_MODESET_LOCK
> > >
> > >  config DRM_FBDEV_EMULATION
> > >         bool "Enable legacy fbdev support for your modesetting driver"
> > > -       depends on DRM
> > > -       depends on FB=y || FB=DRM
> > > -       select DRM_KMS_HELPER
> > > +       depends on DRM_KMS_HELPER
> > > +       depends on FB=y || FB=DRM_KMS_HELPER
> > >         select FB_CFB_FILLRECT
> > >         select FB_CFB_COPYAREA
> > >         select FB_CFB_IMAGEBLIT
> > >
> > > That would probably make it work for DRM=y, FB=m, DRM_KMS_HELPER=m,
> > > but it needs more randconfig testing, which I can help with.
> >
> > Looks good to me as well.
> >
> > Reviewed-by: Javier Martinez Canillas <javierm@xxxxxxxxxx>
>
> Is the mess I created sorted now, or something for me to do? I'm terribly
> burried in stuff :-/

I have done a few days worth of build testing with that patch applied, and
did not see any other problems. I've written a proper description and
submitted it as
https://lore.kernel.org/all/20211029120307.1407047-1-arnd@xxxxxxxxxx/T

The version you have in linux-next works correctly, but this patch on top
is an improvement.

        Arnd



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