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

From: Daniel Kurtz <djkurtz@chromium.org>
To: "Heiko Stübner" <heiko@sntech.de>
Cc: "Mark Yao" <mark.yao@rock-chips.com>,
	"Mark Rutland" <mark.rutland@arm.com>,
	linux-doc@vger.kernel.org,
	"Kever Yang" <kever.yang@rock-chips.com>,
	dri-devel <dri-devel@lists.freedesktop.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	linux-api@vger.kernel.org, "David Airlie" <airlied@gmail.com>,
	"Boris BREZILLON" <boris.brezillon@free-electrons.com>,
	"simon xue" <xxm@rock-chips.com>,
	"open list:ARM/Rockchip SoC..."
	<linux-rockchip@lists.infradead.org>,
	"Grant Likely" <grant.likely@linaro.org>,
	"Tao Huang" <huangtao@rock-chips.com>,
	"open list:OPEN FIRMWARE AND..." <devicetree@vger.kernel.org>,
	"Pawel Moll" <pawel.moll@arm.com>,
	"Ian Campbell" <ijc+devicetree@hellion.org.uk>,
	"Dominik Behr" <dbehr@chromium.org>, 闫孝军 <yxj@rock-chips.com>,
	"Eddie Cai" <cf@rock-chips.com>,
	"Rob Herring" <robh+dt@kernel.org>,
	"John Stultz" <john.stultz@linaro.org>,
	"Stéphane Marchesin" <marcheu@chromium.org>,
	"Rom Lemarchand" <romlem@google.com>,
	xw@rock-chips.com,
	"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
	"Randy Dunlap" <rdunlap@infradead.org>,
	"Douglas Anderson" <dianders@chromium.org>,
	"Rob Clark" <robdclark@gmail.com>,
	"Daniel Vetter" <daniel@ffwll.ch>,
	"Kumar Gala" <galak@codeaurora.org>,
	"Olof Johansson" <olof@lixom.net>
Subject: Re: [PATCH v15 0/3] Add drm driver for Rockchip Socs
Date: Thu, 4 Dec 2014 11:29:51 -0800	[thread overview]
Message-ID: <CAGS+omAqkQaK99OX_uAf2Z6-fep2Euwn112Oj5gFpRca8ZAgew@mail.gmail.com> (raw)
In-Reply-To: <2556534.qktPW9tbxy@diego>

On Tue, Dec 2, 2014 at 1:31 AM, Heiko Stübner <heiko@sntech.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?

>> - fix compile problems when build as a module.
>
> maybe you could also already create a new pull request for this version [like
> the last one based on the iommu branch], so that we save time and Dave can
> pull it in easily for testing if he likes.
>
>
> Heiko
>
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