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Date: Sun, 3 Jan 2021 02:30:18 +0100 From: Konrad Dybcio <konrad.dybcio@...ainline.org> To: Iskren Chernev <iskren.chernev@...il.com>, Rob Clark <robdclark@...il.com> Cc: ~postmarketos/upstreaming@...ts.sr.ht, Sean Paul <sean@...rly.run>, David Airlie <airlied@...ux.ie>, Daniel Vetter <daniel@...ll.ch>, Bjorn Andersson <bjorn.andersson@...aro.org>, Jordan Crouse <jcrouse@...eaurora.org>, linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org, freedreno@...ts.freedesktop.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH] drm/msm: Fix MSM_INFO_GET_IOVA with carveout Kind reminder that MSM8974, 8994, 8992 and friends are held back by the lack of IOMMU support upstream. There has been an attempt back in 2014(!) [1], but it was either overlooked or forgotten about ever since. I'd be more than happy to see someone look into this, as I have some other bits (almost) ready for both 8974 and 94, but MMUs aren't something I understand well enough yet. Konrad [1] https://lists.linuxfoundation.org/pipermail/iommu/2014-June/008993.html
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