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

Daniel Kurtz djkurtz at chromium.org
Thu Dec 4 11:29:51 PST 2014

On Tue, Dec 2, 2014 at 1:31 AM, Heiko Stübner <heiko at 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
> [...]
>> 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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