linux-kernel - Re: Exynos Snow board display regression

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Message-ID: <56AB9EDF.2050401@osg.samsung.com>
Date:	Fri, 29 Jan 2016 14:18:23 -0300
From:	Javier Martinez Canillas <javier@....samsung.com>
To:	Michal Suchanek <hramrach@...il.com>,
	Jingoo Han <jingoohan1@...il.com>,
	Inki Dae <inki.dae@...sung.com>,
	Joonyoung Shim <jy0922.shim@...sung.com>,
	Seung-Woo Kim <sw0312.kim@...sung.com>,
	Kyungmin Park <kyungmin.park@...sung.com>,
	David Airlie <airlied@...ux.ie>, Kukjin Kim <kgene@...nel.org>,
	Krzysztof Kozlowski <k.kozlowski@...sung.com>,
	dri-devel@...ts.freedesktop.org,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	linux-samsung-soc <linux-samsung-soc@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: Exynos Snow board display regression

Hello Michal,

On 01/29/2016 02:07 PM, Michal Suchanek wrote:
> Hello,
>
> after  commit a9fa852886fd5a7ccec3b7e9eff75f85072f009c
>
> display no longer works on the Snow board. The built-in panel is no
> longer probed.
>
> The commit *supposedly* provides for backwards compatibility and at
> first glance only new options for probing the panel are added.
>
> However, reverting the commit on top of 4.5-rc1 gives working display
> again so there is probably some subtle non-obvious catch in the logic.
>
> Any ideas what might go wrong here?
>

Yes, I noticed the same and posted a fix some hours ago:

https://lkml.org/lkml/2016/1/29/355
  
> Thanks
>
> Michal
>

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