On Mon, Aug 19, 2019 at 07:19:39PM +0200, Sam Ravnborg wrote:
> On Thu, Aug 08, 2019 at 05:11:38PM +0200, Boris Brezillon wrote:
> > This is part of our attempt to make the bridge chain a double-linked
> > list based on the generic list helpers. In order to do that, we must
> > patch all drivers manipulating the encoder->bridge field directly.
> > 
> > Signed-off-by: Boris Brezillon <boris.brezil...@collabora.com>
> Reviewed-by: Sam Ravnborg <s...@ravnborg.org>
> 
> Sean, this patch looks like a nice cleanup we can apply
> outside the series.
> It would be good that drivers do not poke direct in
> the encoder data that this patch fixes.

Agreed, and

Reviewed-by: Laurent Pinchart <laurent.pinch...@ideasonboard.com>

> > ---
> >  drivers/gpu/drm/msm/edp/edp.c   | 4 +++-
> >  drivers/gpu/drm/msm/hdmi/hdmi.c | 4 +++-
> >  2 files changed, 6 insertions(+), 2 deletions(-)
> > 
> > diff --git a/drivers/gpu/drm/msm/edp/edp.c b/drivers/gpu/drm/msm/edp/edp.c
> > index 0f312ac5b624..ad4e963ccd9b 100644
> > --- a/drivers/gpu/drm/msm/edp/edp.c
> > +++ b/drivers/gpu/drm/msm/edp/edp.c
> > @@ -178,7 +178,9 @@ int msm_edp_modeset_init(struct msm_edp *edp, struct 
> > drm_device *dev,
> >             goto fail;
> >     }
> >  
> > -   encoder->bridge = edp->bridge;
> > +   ret = drm_bridge_attach(encoder, edp->bridge, NULL);
> > +   if (ret)
> > +           goto fail;
> >  
> >     priv->bridges[priv->num_bridges++]       = edp->bridge;
> >     priv->connectors[priv->num_connectors++] = edp->connector;
> > diff --git a/drivers/gpu/drm/msm/hdmi/hdmi.c 
> > b/drivers/gpu/drm/msm/hdmi/hdmi.c
> > index 0e4217be3f00..55b9a8c8312b 100644
> > --- a/drivers/gpu/drm/msm/hdmi/hdmi.c
> > +++ b/drivers/gpu/drm/msm/hdmi/hdmi.c
> > @@ -327,7 +327,9 @@ int msm_hdmi_modeset_init(struct hdmi *hdmi,
> >             goto fail;
> >     }
> >  
> > -   encoder->bridge = hdmi->bridge;
> > +   ret = drm_bridge_attach(encoder, hdmi->bridge, NULL);
> > +   if (ret)
> > +           goto fail;
> >  
> >     priv->bridges[priv->num_bridges++]       = hdmi->bridge;
> >     priv->connectors[priv->num_connectors++] = hdmi->connector;

-- 
Regards,

Laurent Pinchart
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