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

Open Source and information security mailing list archives

Date:	Thu, 4 Dec 2014 11:29:51 -0800
From:	Daniel Kurtz <djkurtz@...omium.org>
To:	Heiko Stübner <heiko@...ech.de>
Cc:	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, David Airlie <airlied@...il.com>,
	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 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?

>> - 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
>
> _______________________________________________
> Linux-rockchip mailing list
> Linux-rockchip@...ts.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-rockchip
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