linux-kernel - Re: [PATCH 1/2] iommu/arm-smmu-qcom: Skip the TTBR1 quirk for db820c.

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Date:   Tue,  8 Jun 2021 12:42:32 +0100
From:   Will Deacon <will@...nel.org>
To:     Sean Paul <sean@...rly.run>, Robin Murphy <robin.murphy@....com>,
        Rob Herring <robh+dt@...nel.org>,
        freedreno@...ts.freedesktop.org,
        Jordan Crouse <jcrouse@...eaurora.org>,
        Eric Anholt <eric@...olt.net>, Rob Clark <robdclark@...il.com>,
        linux-arm-kernel@...ts.infradead.org,
        Joerg Roedel <joro@...tes.org>,
        dri-devel@...ts.freedesktop.org, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org
Cc:     catalin.marinas@....com, kernel-team@...roid.com,
        Will Deacon <will@...nel.org>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] iommu/arm-smmu-qcom: Skip the TTBR1 quirk for db820c.

On Fri, 26 Mar 2021 16:13:02 -0700, Eric Anholt wrote:
> db820c wants to use the qcom smmu path to get HUPCF set (which keeps
> the GPU from wedging and then sometimes wedging the kernel after a
> page fault), but it doesn't have separate pagetables support yet in
> drm/msm so we can't go all the way to the TTBR1 path.

Applied to will (for-joerg/arm-smmu/updates), thanks!

[1/2] iommu/arm-smmu-qcom: Skip the TTBR1 quirk for db820c.
      https://git.kernel.org/will/c/a242f4297cfe
[2/2] arm64: dts: msm8996: Mark the GPU's SMMU as an adreno one.
      https://git.kernel.org/will/c/19c07b91f85d

Cheers,
-- 
Will

https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev