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    SubjectRe: [PATCH v15 0/3] Add drm driver for Rockchip Socs
    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
    >
    > _______________________________________________
    > Linux-rockchip mailing list
    > Linux-rockchip@lists.infradead.org
    > http://lists.infradead.org/mailman/listinfo/linux-rockchip


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