linux-kernel - Re: [PATCH v3 0/14] Add Analogix Core Display Port Driver

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Date:	Thu, 20 Aug 2015 09:54:04 +1000
From:	Dave Airlie <airlied@...il.com>
To:	Yakir Yang <ykk@...k-chips.com>
Cc:	Heiko Stuebner <heiko@...ech.de>,
	Thierry Reding <treding@...dia.com>,
	Jingoo Han <jingoohan1@...il.com>,
	Fabio Estevam <fabio.estevam@...escale.com>,
	Inki Dae <inki.dae@...sung.com>, joe@...ches.com,
	Russell King <rmk+kernel@....linux.org.uk>,
	Daniel Kurtz <djkurtz@...gle.com>, dianders@...gle.com,
	Sean Paul <seanpaul@...gle.com>, Takashi Iwai <tiwai@...e.de>,
	Ajay kumar <ajaynumb@...il.com>,
	Andrzej Hajda <a.hajda@...sung.com>,
	Kyungmin Park <kyungmin.park@...sung.com>,
	Philipp Zabel <p.zabel@...gutronix.de>,
	David Airlie <airlied@...ux.ie>,
	Gustavo Padovan <gustavo.padovan@...labora.co.uk>,
	Vincent Palatin <vpalatin@...omium.org>,
	Mark Yao <mark.yao@...k-chips.com>,
	Andy Yan <andy.yan@...k-chips.com>,
	Kumar Gala <galak@...eaurora.org>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Kishon Vijay Abraham I <kishon@...com>,
	dri-devel <dri-devel@...ts.freedesktop.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	linux-samsung-soc <linux-samsung-soc@...r.kernel.org>,
	"open list:ARM/Rockchip SoC..." <linux-rockchip@...ts.infradead.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v3 0/14] Add Analogix Core Display Port Driver

On 20 August 2015 at 00:48, Yakir Yang <ykk@...k-chips.com> wrote:
>
> Hi all,
>    The Samsung Exynos eDP controller and Rockchip RK3288 eDP controller
> share the same IP, so a lot of parts can be re-used. I split the common
> code into bridge directory, then rk3288 and exynos only need to keep
> some platform code. Cause I can't find the exact IP name of exynos dp
> controller, so I decide to name dp core driver with "analogix" which I
> find in rk3288 eDP TRM ;)
>
> Beyond that, there are three light registers setting differents bewteen
> exynos and rk3288.
> 1. RK3288 have five special pll resigters which not indicata in exynos
>    dp controller.
> 2. The address of DP_PHY_PD(dp phy power manager register) are different
>    between rk3288 and exynos.
> 3. Rk3288 and exynos have different setting with AUX_HW_RETRY_CTL(dp debug
>    register).
>
> I have verified this series on two kinds of rockchip platform board, one
> is rk3288 sdk board which connect with a 2K display port monitor, the other
> is google jerry chromebook which connect with a eDP screen "cnm,n116bgeea2",
> both of them works rightlly.
>
> I haven't verified the dp function on samsung platform, cause I haven't got
> exynos boards. I can only ensure that there are no build error on samsung
> platform, wish some samsung guys help to test. ;)

I'd like to pull this in, but it probably needs an ack from Samsung,

Inki can you guys find some time to test this?

Dave.
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