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Date:   Fri, 4 Sep 2020 11:11:17 +0200
From:   Joerg Roedel <joro@...tes.org>
To:     Rob Clark <robdclark@...il.com>
Cc:     dri-devel@...ts.freedesktop.org, iommu@...ts.linux-foundation.org,
        linux-arm-msm@...r.kernel.org,
        Sai Prakash Ranjan <saiprakash.ranjan@...eaurora.org>,
        Will Deacon <will@...nel.org>, freedreno@...ts.freedesktop.org,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Sibi Sankar <sibis@...eaurora.org>,
        Vivek Gautam <vivek.gautam@...eaurora.org>,
        Stephen Boyd <swboyd@...omium.org>,
        Robin Murphy <robin.murphy@....com>,
        Rob Clark <robdclark@...omium.org>,
        Akhil P Oommen <akhilpo@...eaurora.org>,
        AngeloGioacchino Del Regno <kholk11@...il.com>,
        Ben Dooks <ben.dooks@...ethink.co.uk>,
        Brian Masney <masneyb@...tation.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        Emil Velikov <emil.velikov@...labora.com>,
        Eric Anholt <eric@...olt.net>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Hanna Hawa <hannah@...vell.com>,
        Joerg Roedel <jroedel@...e.de>,
        John Stultz <john.stultz@...aro.org>,
        Jonathan Marek <jonathan@...ek.ca>,
        Jon Hunter <jonathanh@...dia.com>,
        Jordan Crouse <jcrouse@...eaurora.org>,
        Krishna Reddy <vdumpa@...dia.com>,
        "moderated list:ARM SMMU DRIVERS" 
        <linux-arm-kernel@...ts.infradead.org>,
        open list <linux-kernel@...r.kernel.org>,
        Nicolin Chen <nicoleotsuka@...il.com>,
        Pritesh Raithatha <praithatha@...dia.com>,
        Sam Ravnborg <sam@...nborg.org>,
        Sharat Masetty <smasetty@...eaurora.org>,
        Shawn Guo <shawn.guo@...aro.org>, Takashi Iwai <tiwai@...e.de>,
        Thierry Reding <thierry.reding@...il.com>,
        Thierry Reding <treding@...dia.com>,
        Wambui Karuga <wambui.karugax@...il.com>
Subject: Re: [PATCH 00/20] iommu/arm-smmu + drm/msm: per-process GPU pgtables

On Mon, Aug 17, 2020 at 03:01:25PM -0700, Rob Clark wrote:
> Jordan Crouse (12):
>   iommu/arm-smmu: Pass io-pgtable config to implementation specific
>     function
>   iommu/arm-smmu: Add support for split pagetables
>   iommu/arm-smmu: Prepare for the adreno-smmu implementation
>   iommu/arm-smmu-qcom: Add implementation for the adreno GPU SMMU
>   dt-bindings: arm-smmu: Add compatible string for Adreno GPU SMMU
>   drm/msm: Add a context pointer to the submitqueue
>   drm/msm: Drop context arg to gpu->submit()
>   drm/msm: Set the global virtual address range from the IOMMU domain
>   drm/msm: Add support to create a local pagetable
>   drm/msm: Add support for private address space instances
>   drm/msm/a6xx: Add support for per-instance pagetables
>   arm: dts: qcom: sm845: Set the compatible string for the GPU SMMU
> 
> Rob Clark (8):
>   drm/msm: remove dangling submitqueue references
>   iommu: add private interface for adreno-smmu
>   drm/msm/gpu: add dev_to_gpu() helper
>   drm/msm: set adreno_smmu as gpu's drvdata
>   iommu/arm-smmu: constify some helpers
>   arm: dts: qcom: sc7180: Set the compatible string for the GPU SMMU
>   iommu/arm-smmu: add a way for implementations to influence SCTLR
>   drm/msm: show process names in gem_describe

Can the DRM parts be merged independently from the IOMMU parts or does
this need to be queued together? If it needs to be together I defer the
decission to Will through which tree this should go.


	Joerg

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