Re: [PATCH v2] drm/imx: imx-ldb: Accept drm_of_find_panel_or_bridge failure

From: Leonard Crestez
Date: Wed Jun 07 2017 - 06:36:05 EST


On Wed, 2017-05-10 at 15:55 +0200, Philipp Zabel wrote:
> On Wed, 2017-05-10 at 16:17 +0300, Leonard Crestez wrote:
> >
> > Not having an endpoint bound in DT should not cause a failure here,
> > there are fallbacks. So explicitly accept a missing endpoint.
> >
> > This behavior change was introduced by refactoring in drm_of parsing
> > code and it should not require dts changes.
> >
> > In particular this fixes imx6qdl-sabreauto boards.
> >
> > diff --git a/drivers/gpu/drm/imx/imx-ldb.c b/drivers/gpu/drm/imx/imx-ldb.c
> > index 8fb801f..8b05ecb 100644
> > --- a/drivers/gpu/drm/imx/imx-ldb.c
> > +++ b/drivers/gpu/drm/imx/imx-ldb.c
> > @@ -673,7 +673,7 @@ static int imx_ldb_bind(struct device *dev, struct device *master, void *data)
> > Â ret = drm_of_find_panel_or_bridge(child,
> > Â ÂÂimx_ldb->lvds_mux ? 4 : 2, 0,
> > Â ÂÂ&channel->panel, &channel->bridge);
> > - if (ret)
> > + if (ret && ret != -ENODEV)
> > Â return ret;
> > Â
> > Â /* panel ddc only if there is no bridge */
> Thank you, applied to imx-drm/fixes.
>
> regards
> Philipp

How are such fixes going to make their way upstream? It's been almost a
month and this patch did not get into either linux-next or
torvalds/master or anywhere other than pza/imx-drm/fixes.

--
Regards,
Leonard