linux-kernel - Re: [PATCH v15 0/3] Add drm driver for Rockchip Socs

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Message-ID: <CAPM=9tzcB0XaenK1RjJoOBpJjrq84atJP59=kh6WMA2-OcFpEA@mail.gmail.com>
Date:	Fri, 5 Dec 2014 17:26:04 +1000
From:	Dave Airlie <airlied@...il.com>
To:	Daniel Kurtz <djkurtz@...omium.org>
Cc:	Heiko Stübner <heiko@...ech.de>,
	Mark Yao <mark.yao@...k-chips.com>,
	Mark Rutland <mark.rutland@....com>, linux-doc@...r.kernel.org,
	Kever Yang <kever.yang@...k-chips.com>,
	dri-devel <dri-devel@...ts.freedesktop.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	linux-api@...r.kernel.org,
	Boris BREZILLON <boris.brezillon@...e-electrons.com>,
	simon xue <xxm@...k-chips.com>,
	"open list:ARM/Rockchip SoC..." <linux-rockchip@...ts.infradead.org>,
	Grant Likely <grant.likely@...aro.org>,
	Tao Huang <huangtao@...k-chips.com>,
	"open list:OPEN FIRMWARE AND..." <devicetree@...r.kernel.org>,
	Pawel Moll <pawel.moll@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Dominik Behr <dbehr@...omium.org>,
	闫孝军 <yxj@...k-chips.com>,
	Eddie Cai <cf@...k-chips.com>,
	Rob Herring <robh+dt@...nel.org>,
	John Stultz <john.stultz@...aro.org>,
	Stéphane Marchesin <marcheu@...omium.org>,
	Rom Lemarchand <romlem@...gle.com>, xw@...k-chips.com,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Randy Dunlap <rdunlap@...radead.org>,
	Douglas Anderson <dianders@...omium.org>,
	Rob Clark <robdclark@...il.com>,
	Daniel Vetter <daniel@...ll.ch>,
	Kumar Gala <galak@...eaurora.org>,
	Olof Johansson <olof@...om.net>
Subject: Re: [PATCH v15 0/3] Add drm driver for Rockchip Socs

On 5 December 2014 at 05:29, Daniel Kurtz <djkurtz@...omium.org> wrote:
> On Tue, Dec 2, 2014 at 1:31 AM, Heiko Stübner <heiko@...ech.de> wrote:
>> Hi Mark,
>>
>> Am Dienstag, 2. Dezember 2014, 17:13:20 schrieb Mark Yao:
>>> This a series of patches is a DRM Driver for Rockchip Socs, add support
>>> for vop devices. Future patches will add additional encoders/connectors,
>>> such as eDP, HDMI.
>>>
>>> The basic "crtc" for rockchip is a "VOP" - Video Output Processor.
>>> the vop devices found on Rockchip rk3288 Soc, rk3288 soc have two similar
>>> Vop devices. Vop devices support iommu mapping, we use dma-mapping API with
>>> ARM_DMA_USE_IOMMU.
>>
>> [...]
>>
>>> Changes in v15:
>>> - remove depends on ARM_DMA_USE_IOMMU & IOMMU_API which cause
>>>   recursive dependency problem
>
> I thought the recommended solution for this was to fix OMAP3 to not
> select  ARM_DMA_USE_IOMMU and OMAP_IOMMU, not to drop the 'depends on'
> in drm/rockchip?

Lets fix that up once we get this merged, if I had a tree based on the
iommu I'd have
it -next now.

can I get a pull for that?
Dave.
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