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SubjectRe: [PATCH] drm/bridge: parade-ps8640: Add backpointer to drm_device in drm_dp_aux
Hi

On Tue, Dec 7, 2021 at 8:13 AM Doug Anderson <dianders@chromium.org> wrote:
>
> Hi,
>
> On Mon, Dec 6, 2021 at 5:44 PM Philip Chen <philipchen@chromium.org> wrote:
> >
> > Hi
> >
> > On Mon, Dec 6, 2021 at 4:29 PM Douglas Anderson <dianders@chromium.org> wrote:
> > >
> > > When we added the support for the AUX channel in commit 13afcdd7277e
> > > ("drm/bridge: parade-ps8640: Add support for AUX channel") we forgot
> > > to set "drm_dev" to avoid the warning splat at the beginning of
> > > drm_dp_aux_register(). Since everything was working I guess I never
> > > noticed the splat when testing against mainline. In any case, it's
> > > easy to fix. This is basically just like commit 6cba3fe43341 ("drm/dp:
> > > Add backpointer to drm_device in drm_dp_aux") but just for the
> > > parade-ps8640.
> > >
> > > Fixes: 13afcdd7277e ("drm/bridge: parade-ps8640: Add support for AUX channel")
> > > Signed-off-by: Douglas Anderson <dianders@chromium.org>
> > > ---
> > >
> > > drivers/gpu/drm/bridge/parade-ps8640.c | 1 +
> > > 1 file changed, 1 insertion(+)
> > >
> > > diff --git a/drivers/gpu/drm/bridge/parade-ps8640.c b/drivers/gpu/drm/bridge/parade-ps8640.c
> > > index 26898042ba3d..818704bf5e86 100644
> > > --- a/drivers/gpu/drm/bridge/parade-ps8640.c
> > > +++ b/drivers/gpu/drm/bridge/parade-ps8640.c
> > > @@ -449,6 +449,7 @@ static int ps8640_bridge_attach(struct drm_bridge *bridge,
> > > if (!(flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR))
> > > return -EINVAL;
> > >
> > > + ps_bridge->aux.drm_dev = bridge->dev;
> > > ret = drm_dp_aux_register(&ps_bridge->aux);
> > > if (ret) {
> > > dev_err(dev, "failed to register DP AUX channel: %d\n", ret);
> > > --
> > > 2.34.1.400.ga245620fadb-goog
> > >
> >
> > Signed-off-by: Philip Chen <philipchen@chromium.org>
>
> That's probably not quite the right tag. I'm going to assume you meant
> Reviewed-by? Usually Signed-off-by is added if you were one of the
> authors of the patch or you were a maintainer that "touched" the patch
> on its way to landing upstream...
>
> -Doug

Sorry for the mistake.
You're right - I meant to:

Reviewed-by: Philip Chen <philipchen@chromium.org>

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