linux-kernel - Re: [PATCH v5 0/17] Add Analogix Core Display Port Driver

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Date:	Wed, 7 Oct 2015 11:26:43 +0200
From:	Javier Martinez Canillas <javier@....samsung.com>
To:	Yakir Yang <ykk@...k-chips.com>, Inki Dae <inki.dae@...sung.com>,
	Andrzej Hajda <a.hajda@...sung.com>,
	Joonyoung Shim <jy0922.shim@...sung.com>,
	Seung-Woo Kim <sw0312.kim@...sung.com>,
	Kyungmin Park <kyungmin.park@...sung.com>,
	Jingoo Han <jingoohan1@...il.com>,
	Heiko Stuebner <heiko@...ech.de>,
	Mark Yao <mark.yao@...k-chips.com>,
	Thierry Reding <treding@...dia.com>, joe@...ches.com,
	Krzysztof Kozlowski <k.kozlowski@...sung.com>,
	Rob Herring <robh+dt@...nel.org>
Cc:	David Airlie <airlied@...ux.ie>,
	Russell King <linux@....linux.org.uk>, djkurtz@...omium.org,
	dianders@...omium.org, Sean Paul <seanpaul@...omium.org>,
	Kukjin Kim <kgene@...nel.org>,
	Kumar Gala <galak@...eaurora.org>, emil.l.velikov@...il.com,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Gustavo Padovan <gustavo.padovan@...labora.co.uk>,
	Kishon Vijay Abraham I <kishon@...com>,
	Pawel Moll <pawel.moll@....com>, ajaynumb@...il.com,
	robherring2@...il.com, Andy Yan <andy.yan@...k-chips.com>,
	dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-samsung-soc@...r.kernel.org,
	linux-rockchip@...ts.infradead.org,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v5 0/17] Add Analogix Core Display Port Driver

Hello Yakir,

On 10/07/2015 11:02 AM, Yakir Yang wrote:
> Hi Javier,
> 
> On 10/07/2015 04:46 PM, Javier Martinez Canillas wrote:
>> Hello Yakir,
>>
>> On 10/07/2015 08:25 AM, Yakir Yang wrote:
>>> Hi all,
>>>
>>> Friendly ping.....   :)
>>>
>>>
>>> Best regards,
>>> - Yakir
>>>
>>>
>> Do you have a tree that I can use to test these patches?
> 
> Wow, thanks a lot, I do have a tree on github [https://github.com/yakir-Yang/linux/tree/analogix_dp],
> crossing my finger, wish things works......    ;)
>

I tried your analogix_dp branch on an Exynos5800 Peach Pi Chromebook
but the machine didn't boot. Unfortunately I need to do some soldering
to have a serial console on this board so don't have a kernel boot log.

I'll let you know if I can get more info about this issue.

Also, there is Kconfig recursive dependency that you may want to fix:

$ make exynos_defconfig
drivers/video/fbdev/Kconfig:5:error: recursive dependency detected!
drivers/video/fbdev/Kconfig:5: symbol FB is selected by DRM_KMS_FB_HELPER
drivers/gpu/drm/Kconfig:34: symbol DRM_KMS_FB_HELPER depends on DRM_KMS_HELPER
drivers/gpu/drm/Kconfig:28: symbol DRM_KMS_HELPER is selected by DRM_ANALOGIX_DP
drivers/gpu/drm/bridge/analogix/Kconfig:1: symbol DRM_ANALOGIX_DP is selected by DRM_EXYNOS_DP
drivers/gpu/drm/exynos/Kconfig:57: symbol DRM_EXYNOS_DP depends on DRM_EXYNOS_FIMD
drivers/gpu/drm/exynos/Kconfig:19: symbol DRM_EXYNOS_FIMD depends on FB_S3C
drivers/video/fbdev/Kconfig:2023: symbol FB_S3C depends on FB

> Thanks,
> - Yakir
> 

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