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

From: Daniel Kurtz <djkurtz-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>
To: "Heiko Stübner" <heiko-4mtYJXux2i+zQB+pC5nmwQ@public.gmane.org>
Cc: "Mark Yao" <mark.yao-TNX95d0MmH7DzftRWevZcw@public.gmane.org>,
	"Mark Rutland" <mark.rutland-5wv7dgnIgG8@public.gmane.org>,
	linux-doc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	"Kever Yang" <kever.yang-TNX95d0MmH7DzftRWevZcw@public.gmane.org>,
	dri-devel
	<dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>,
	"linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
	<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	linux-api-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	"David Airlie" <airlied-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	"Boris BREZILLON"
	<boris.brezillon-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>,
	"simon xue" <xxm-TNX95d0MmH7DzftRWevZcw@public.gmane.org>,
	"open list:ARM/Rockchip SoC..."
	<linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org>,
	"Grant Likely"
	<grant.likely-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
	"Tao Huang" <huangtao-TNX95d0MmH7DzftRWevZcw@public.gmane.org>,
	"open list:OPEN FIRMWARE AND..."
	<devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	"Pawel Moll" <pawel.moll-5wv7dgnIgG8@public.gmane.org>,
	"Ian Campbell"
	<ijc+devicetree-KcIKpvwj1kUDXYZnReoRVg@public.gmane.org>,
	"Dominik Behr" <dbehr-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>,
	闫孝军 <yxj-TNX95d0MmH7DzftRWevZcw@public.gmane.org>,
	"Eddie Cai" <cf-TNX95d0MmH7DzftRWevZcw@public.gmane.org>,
	"Rob Herring" <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
	"John Stultz"
	<john.stultz-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
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-4mtYJXux2i+zQB+pC5nmwQ@public.gmane.org> 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-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
> http://lists.infradead.org/mailman/listinfo/linux-rockchip