Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1328998

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

From Marek Szyprowski <m.szyprowski@samsung.com>
Newsgroups linux.kernel
Subject Re: [PATCH] drm/exynos: dp: Fix panel and bridge lookup logic
Date 2016-02-08 13:40 +0100
Message-ID <qZTgJ-5bG-7@gated-at.bofh.it> (permalink)
References <qWiQr-4Xa-21@gated-at.bofh.it> <qZSNI-50Q-33@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw


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@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.

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

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

Back to linux.kernel | Previous | NextPrevious in thread | Next in thread | Find similar | Unroll thread


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

csiph-web