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

From Javier Martinez Canillas <javier@osg.samsung.com>
Newsgroups linux.kernel
Subject Re: [PATCH] drm/exynos: dp: Fix panel and bridge lookup logic
Date 2016-02-08 13:10 +0100
Message-ID <qZSNI-50Q-33@gated-at.bofh.it> (permalink)
References <qWiQr-4Xa-21@gated-at.bofh.it>
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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@osg.samsung.com>
>

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.

Best regards,
-- 
Javier Martinez Canillas
Open Source Group
Samsung Research America

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Thread

[PATCH] drm/exynos: dp: Fix panel and bridge lookup logic Javier Martinez Canillas <javier@osg.samsung.com> - 2016-01-29 16:10 +0100
  Re: [PATCH] drm/exynos: dp: Fix panel and bridge lookup logic Javier Martinez Canillas <javier@osg.samsung.com> - 2016-02-08 13:10 +0100
    Re: [PATCH] drm/exynos: dp: Fix panel and bridge lookup logic Marek Szyprowski <m.szyprowski@samsung.com> - 2016-02-08 13:40 +0100
      Re: [PATCH] drm/exynos: dp: Fix panel and bridge lookup logic Javier Martinez Canillas <javier@osg.samsung.com> - 2016-02-08 13:50 +0100

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