From: Thierry Reding <thierry.reding@gmail.com>
To: Robin Murphy <robin.murphy@arm.com>, thierry.reding@gmail.com
Cc: linux-tegra@vger.kernel.org, Dmitry Osipenko <digetx@gmail.com>,
iommu@lists.linux.dev, Jon Hunter <jonathanh@nvidia.com>,
dri-devel@lists.freedesktop.org
Subject: Re: [PATCH v2] gpu: host1x: Avoid trying to use GART on Tegra20
Date: Thu, 10 Nov 2022 11:20:18 +0100 [thread overview]
Message-ID: <166807557587.2565903.17395326570545995355.b4-ty@nvidia.com> (raw)
In-Reply-To: <39c44dce203112a8dfe279e8e2c4ad164e3cf5e5.1666275461.git.robin.murphy@arm.com>
From: Thierry Reding <treding@nvidia.com>
On Thu, 20 Oct 2022 15:23:40 +0100, Robin Murphy wrote:
> Since commit c7e3ca515e78 ("iommu/tegra: gart: Do not register with
> bus") quite some time ago, the GART driver has effectively disabled
> itself to avoid issues with the GPU driver expecting it to work in ways
> that it doesn't. As of commit 57365a04c921 ("iommu: Move bus setup to
> IOMMU device registration") that bodge no longer works, but really the
> GPU driver should be responsible for its own behaviour anyway. Make the
> workaround explicit.
>
> [...]
Applied, thanks!
[1/1] gpu: host1x: Avoid trying to use GART on Tegra20
commit: c8899b7129927d96d2a948a0d969ab13b9f1dad1
Best regards,
--
Thierry Reding <treding@nvidia.com>
WARNING: multiple messages have this Message-ID (diff)
From: Thierry Reding <thierry.reding@gmail.com>
To: Robin Murphy <robin.murphy@arm.com>, thierry.reding@gmail.com
Cc: linux-tegra@vger.kernel.org, Dmitry Osipenko <digetx@gmail.com>,
iommu@lists.linux.dev, dri-devel@lists.freedesktop.org,
Jon Hunter <jonathanh@nvidia.com>
Subject: Re: [PATCH v2] gpu: host1x: Avoid trying to use GART on Tegra20
Date: Thu, 10 Nov 2022 11:20:18 +0100 [thread overview]
Message-ID: <166807557587.2565903.17395326570545995355.b4-ty@nvidia.com> (raw)
In-Reply-To: <39c44dce203112a8dfe279e8e2c4ad164e3cf5e5.1666275461.git.robin.murphy@arm.com>
From: Thierry Reding <treding@nvidia.com>
On Thu, 20 Oct 2022 15:23:40 +0100, Robin Murphy wrote:
> Since commit c7e3ca515e78 ("iommu/tegra: gart: Do not register with
> bus") quite some time ago, the GART driver has effectively disabled
> itself to avoid issues with the GPU driver expecting it to work in ways
> that it doesn't. As of commit 57365a04c921 ("iommu: Move bus setup to
> IOMMU device registration") that bodge no longer works, but really the
> GPU driver should be responsible for its own behaviour anyway. Make the
> workaround explicit.
>
> [...]
Applied, thanks!
[1/1] gpu: host1x: Avoid trying to use GART on Tegra20
commit: c8899b7129927d96d2a948a0d969ab13b9f1dad1
Best regards,
--
Thierry Reding <treding@nvidia.com>
next prev parent reply other threads:[~2022-11-10 10:20 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-20 14:23 [PATCH v2] gpu: host1x: Avoid trying to use GART on Tegra20 Robin Murphy
2022-10-20 14:23 ` Robin Murphy
2022-10-21 7:41 ` Jon Hunter
2022-10-21 7:41 ` Jon Hunter
2022-11-07 21:21 ` Jon Hunter
2022-11-07 21:21 ` Jon Hunter
2022-11-10 10:20 ` Thierry Reding [this message]
2022-11-10 10:20 ` Thierry Reding
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