From: Thierry Reding <thierry.reding@gmail.com>
To: Dmitry Osipenko <digetx@gmail.com>
Cc: linux-tegra@vger.kernel.org, Mikko Perttunen <cyndis@kapsi.fi>,
dri-devel@lists.freedesktop.org
Subject: Re: [PATCH v3] gpu: host1x: Detach Host1x from IOMMU DMA domain on arm32
Date: Wed, 26 Sep 2018 17:12:16 +0200 [thread overview]
Message-ID: <20180926151216.GJ12980@ulmo> (raw)
In-Reply-To: <20180830001247.29257-1-digetx@gmail.com>
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On Thu, Aug 30, 2018 at 03:12:47AM +0300, Dmitry Osipenko wrote:
> Host1x is getting attached to an implicit IOMMU DMA domain if
> CONFIG_ARM_DMA_USE_IOMMU=y. Since Host1x driver manages IOMMU by
> itself, Host1x device must be detached from the implicit domain using
> arch-specific IOMMU-API.
>
> Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
> ---
>
> Changelog:
>
> v2: Correctly placed the detachment code, now Host1x is detached regardless
> of the firewall state.
>
> v3: Compiles now.
>
> drivers/gpu/host1x/dev.c | 13 ++++++++++++-
> 1 file changed, 12 insertions(+), 1 deletion(-)
Applied, thanks.
Thierry
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next prev parent reply other threads:[~2018-09-26 15:12 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-08-30 0:12 [PATCH v3] gpu: host1x: Detach Host1x from IOMMU DMA domain on arm32 Dmitry Osipenko
2018-09-26 15:12 ` Thierry Reding [this message]
2018-09-28 2:58 ` Mikko Perttunen
2018-09-28 3:00 ` Mikko Perttunen
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