Re: [PATCH 2/9] Revert "drm/msm/a6xx: Use the DMA API for GMU memory objects"

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To: Jonathan Marek <jonathan@xxxxxxxx>
Subject: Re: [PATCH 2/9] Revert "drm/msm/a6xx: Use the DMA API for GMU memory objects"
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Tue, 21 Apr 2020 04:21:30 -0700
Cc: freedreno@xxxxxxxxxxxxxxxxxxxxx, Rob Clark <robdclark@xxxxxxxxx>, Sean Paul <sean@xxxxxxxxxx>, David Airlie <airlied@xxxxxxxx>, Daniel Vetter <daniel@xxxxxxxx>, Jordan Crouse <jcrouse@xxxxxxxxxxxxxx>, Stephen Boyd <swboyd@xxxxxxxxxxxx>, Sharat Masetty <smasetty@xxxxxxxxxxxxxx>, "Michael J. Ruhl" <michael.j.ruhl@xxxxxxxxx>, "open list:DRM DRIVER FOR MSM ADRENO GPU" <linux-arm-msm@xxxxxxxxxxxxxxx>, "open list:DRM DRIVER FOR MSM ADRENO GPU" <dri-devel@xxxxxxxxxxxxxxxxxxxxx>, open list <linux-kernel@xxxxxxxxxxxxxxx>
In-reply-to: <20200420140313.7263-3-jonathan@marek.ca>
References: <20200420140313.7263-1-jonathan@marek.ca> <20200420140313.7263-3-jonathan@marek.ca>

Using VM_IOREMAP outside of ioremap implementations is completely
bogus.  Don't go there, especialy with such a horribly bad commit log.

References:
- [PATCH 2/9] Revert "drm/msm/a6xx: Use the DMA API for GMU memory objects"
  - From: Jonathan Marek

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