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From:   Robert Foss <robert.foss@linaro.org>
Date:   Fri, 16 Apr 2021 11:14:51 +0200
Message-ID: <CAG3jFyukH=ijvn-=2E_tGJdpUHFZ0YXte7MQqncMhoM5Eg7hVQ@mail.gmail.com>
Subject: Re: [PATCH -next] drm: bridge: fix ANX7625 use of mipi_dsi_() functions
To:     Randy Dunlap <rdunlap@infradead.org>
Cc:     linux-kernel <linux-kernel@vger.kernel.org>,
        kernel test robot <lkp@intel.com>,
        Xin Ji <xji@analogixsemi.com>, Sam Ravnborg <sam@ravnborg.org>,
        dri-devel <dri-devel@lists.freedesktop.org>,
        Andrzej Hajda <a.hajda@samsung.com>,
        Neil Armstrong <narmstrong@baylibre.com>,
        stable@vger.kernel.org
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Merged for 5.13 in drm-misc-next-fixes

On Fri, 16 Apr 2021 at 10:41, Robert Foss <robert.foss@linaro.org> wrote:
>
> Thanks Randy!
>
> Reviewed-by: Robert Foss <robert.foss@linaro.org>
>
> On Thu, 15 Apr 2021 at 20:36, Randy Dunlap <rdunlap@infradead.org> wrote:
> >
> > The Analogix DRM ANX7625 bridge driver uses mips_dsi_() function
> > interfaces so it should select DRM_MIPI_DSI to prevent build errors.
> >
> >
> > ERROR: modpost: "mipi_dsi_attach" [drivers/gpu/drm/bridge/analogix/anx7625.ko] undefined!
> > ERROR: modpost: "mipi_dsi_device_register_full" [drivers/gpu/drm/bridge/analogix/anx7625.ko] undefined!
> > ERROR: modpost: "of_find_mipi_dsi_host_by_node" [drivers/gpu/drm/bridge/analogix/anx7625.ko] undefined!
> > ERROR: modpost: "mipi_dsi_device_unregister" [drivers/gpu/drm/bridge/analogix/anx7625.ko] undefined!
> > ERROR: modpost: "mipi_dsi_detach" [drivers/gpu/drm/bridge/analogix/anx7625.ko] undefined!
> >
> >
> > Fixes: 8bdfc5dae4e3 ("drm/bridge: anx7625: Add anx7625 MIPI DSI/DPI to DP")
> > Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
> > Reported-by: kernel test robot <lkp@intel.com>
> > Cc: Xin Ji <xji@analogixsemi.com>
> > Cc: Sam Ravnborg <sam@ravnborg.org>
> > Cc: dri-devel@lists.freedesktop.org
> > Cc: Andrzej Hajda <a.hajda@samsung.com>
> > Cc: Neil Armstrong <narmstrong@baylibre.com>
> > Cc: Robert Foss <robert.foss@linaro.org>
> > Cc: stable@vger.kernel.org
> > ---
> >  drivers/gpu/drm/bridge/analogix/Kconfig |    1 +
> >  1 file changed, 1 insertion(+)
> >
> > --- linux-next-20210414.orig/drivers/gpu/drm/bridge/analogix/Kconfig
> > +++ linux-next-20210414/drivers/gpu/drm/bridge/analogix/Kconfig
> > @@ -30,6 +30,7 @@ config DRM_ANALOGIX_ANX7625
> >         tristate "Analogix Anx7625 MIPI to DP interface support"
> >         depends on DRM
> >         depends on OF
> > +       select DRM_MIPI_DSI
> >         help
> >           ANX7625 is an ultra-low power 4K mobile HD transmitter
> >           designed for portable devices. It converts MIPI/DPI to