Re: [PATCH] drm/exynos: dp: Fix panel and bridge lookup logic

[Marek Szyprowski]

Hi Javier,

On 2016-02-08 13:03, Javier Martinez Canillas wrote:
> Hello Inki,
>
> On 01/29/2016 12:09 PM, Javier Martinez Canillas wrote:
> > Commit a9fa852886fd ("drm/exynos: dp: add of_graph dt binding support
> > for panel") made the Exynos DP DT binding more consistent since the OF
> > graph could be used to lookup either a panel or a bridge device node.
> >
> > Before that commit, a panel would be looked up using a phandle and a
> > bridge using the OF graph which made the DT binding not consistent.
> >
> > But the patch broke the later case since not finding a panel dev node
> > would cause the driver's to do a probe deferral instead of attempting
> > to lookup a bridge device node associated with the remote endpoint.
> >
> > So instead of returning a -EPROBE_DEFER if a panel is not found, check
> > if there's a bridge and only do a probe deferral if both aren't found.
> >
> > Fixes: a9fa852886fd ("drm/exynos: dp: add of_graph dt binding support 
> > for panel")
> > Signed-off-by: Javier Martinez Canillas <javier@xxxxxxxxxxxxxxx>
>
> Any comments about this patch? It is needed to have display working on
> machines with a bridge chip again so it should be pushed to -rc ASAP.

Please check v4.5-rc3, this patch is already merged there.

Best regards
--
Marek Szyprowski, PhD
Samsung R&D Institute Poland