From: Robin Murphy <robin.murphy@arm.com>
To: Thierry Reding <thierry.reding@gmail.com>,
Will Deacon <will@kernel.org>, Joerg Roedel <joro@8bytes.org>,
Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Cc: iommu@lists.linux-foundation.org,
Jon Hunter <jonathanh@nvidia.com>,
Nicolin Chen <nicolinc@nvidia.com>,
linux-tegra@vger.kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 7/9] iommu/arm-smmu: Use Tegra implementation on Tegra186
Date: Thu, 25 Mar 2021 14:27:47 +0000 [thread overview]
Message-ID: <4df4edff-9aa6-a742-8f6b-87a86f7eaba6@arm.com> (raw)
In-Reply-To: <20210325130332.778208-8-thierry.reding@gmail.com>
On 2021-03-25 13:03, Thierry Reding wrote:
> From: Thierry Reding <treding@nvidia.com>
>
> Tegra186 requires the same SID override programming as Tegra194 in order
> to seamlessly transition from the firmware framebuffer to the Linux
> framebuffer, so the Tegra implementation needs to be used on Tegra186
> devices as well.
>
> Signed-off-by: Thierry Reding <treding@nvidia.com>
> ---
> drivers/iommu/arm/arm-smmu/arm-smmu-impl.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu-impl.c b/drivers/iommu/arm/arm-smmu/arm-smmu-impl.c
> index 136872e77195..9f465e146799 100644
> --- a/drivers/iommu/arm/arm-smmu/arm-smmu-impl.c
> +++ b/drivers/iommu/arm/arm-smmu/arm-smmu-impl.c
> @@ -211,7 +211,8 @@ struct arm_smmu_device *arm_smmu_impl_init(struct arm_smmu_device *smmu)
> if (of_property_read_bool(np, "calxeda,smmu-secure-config-access"))
> smmu->impl = &calxeda_impl;
>
> - if (of_device_is_compatible(np, "nvidia,tegra194-smmu"))
> + if (of_device_is_compatible(np, "nvidia,tegra194-smmu") ||
> + of_device_is_compatible(np, "nvidia,tegra186-smmu"))
Binding update?
Robin.
> return nvidia_smmu_impl_init(smmu);
>
> smmu = qcom_smmu_impl_init(smmu);
>
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next prev parent reply other threads:[~2021-03-25 14:27 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-25 13:03 [PATCH 0/9] arm64: tegra: Prevent early SMMU faults Thierry Reding
2021-03-25 13:03 ` [PATCH 1/9] memory: tegra: Move internal data structures into separate header Thierry Reding
2021-03-25 15:12 ` Dmitry Osipenko
2021-03-25 15:52 ` Thierry Reding
2021-03-25 16:11 ` Dmitry Osipenko
2021-03-26 13:21 ` Dmitry Osipenko
2021-03-25 13:03 ` [PATCH 2/9] memory: tegra: Add memory client IDs to tables Thierry Reding
2021-03-25 13:03 ` [PATCH 3/9] memory: tegra: Implement SID override programming Thierry Reding
2021-03-25 14:27 ` Robin Murphy
2021-03-25 15:02 ` Thierry Reding
2021-03-25 13:03 ` [PATCH 4/9] iommu/arm-smmu: Implement ->probe_finalize() Thierry Reding
2021-03-25 14:27 ` Robin Murphy
2021-03-25 13:03 ` [PATCH 5/9] iommu/arm-smmu: tegra: Detect number of instances at runtime Thierry Reding
2021-03-25 14:27 ` Robin Murphy
2021-03-25 13:03 ` [PATCH 6/9] iommu/arm-smmu: tegra: Implement SID override programming Thierry Reding
2021-03-25 13:03 ` [PATCH 7/9] iommu/arm-smmu: Use Tegra implementation on Tegra186 Thierry Reding
2021-03-25 14:27 ` Robin Murphy [this message]
2021-03-25 13:03 ` [PATCH 8/9] arm64: tegra: Hook up memory controller to SMMU " Thierry Reding
2021-03-25 13:03 ` [PATCH 9/9] arm64: tegra: Enable SMMU support on Tegra194 Thierry Reding
2021-03-26 15:29 ` [PATCH 0/9] arm64: tegra: Prevent early SMMU faults Dmitry Osipenko
2021-03-26 16:35 ` Thierry Reding
2021-03-26 16:55 ` Dmitry Osipenko
2021-03-26 22:05 ` Dmitry Osipenko
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