From: Will Deacon <will@kernel.org>
To: Robin Murphy <robin.murphy@arm.com>,
Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>,
Rob Clark <robdclark@gmail.com>,
Jordan Crouse <jcrouse@codeaurora.org>,
Joerg Roedel <joro@8bytes.org>
Cc: catalin.marinas@arm.com, kernel-team@android.com,
Will Deacon <will@kernel.org>,
Kristian H Kristensen <hoegsberg@google.com>,
iommu@lists.linux-foundation.org,
dri-devel@lists.freedesktop.org, linux-arm-msm@vger.kernel.org,
Akhil P Oommen <akhilpo@codeaurora.org>,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, freedreno@lists.freedesktop.org
Subject: Re: [PATCHv10 0/9] System Cache support for GPU and required SMMU support
Date: Wed, 25 Nov 2020 14:05:20 +0000 [thread overview]
Message-ID: <160630795189.1943614.1845602767779998183.b4-ty@kernel.org> (raw)
In-Reply-To: <cover.1606287059.git.saiprakash.ranjan@codeaurora.org>
On Wed, 25 Nov 2020 12:30:09 +0530, Sai Prakash Ranjan wrote:
> Some hardware variants contain a system cache or the last level
> cache(llc). This cache is typically a large block which is shared
> by multiple clients on the SOC. GPU uses the system cache to cache
> both the GPU data buffers(like textures) as well the SMMU pagetables.
> This helps with improved render performance as well as lower power
> consumption by reducing the bus traffic to the system memory.
>
> [...]
Applied first two patches on a shared branch for Rob:
arm64 (for-next/iommu/io-pgtable-domain-attr), thanks!
[1/9] iommu/io-pgtable: Add a domain attribute for pagetable configuration
https://git.kernel.org/arm64/c/a7656ecf825a
[2/9] iommu/io-pgtable-arm: Add support to use system cache
https://git.kernel.org/arm64/c/e67890c97944
Cheers,
--
Will
https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev
prev parent reply other threads:[~2020-11-25 14:05 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-25 7:00 Sai Prakash Ranjan
2020-11-25 7:00 ` [PATCHv10 1/9] iommu/io-pgtable: Add a domain attribute for pagetable configuration Sai Prakash Ranjan
2020-11-25 7:00 ` [PATCHv10 2/9] iommu/io-pgtable-arm: Add support to use system cache Sai Prakash Ranjan
2020-11-25 7:00 ` [PATCHv10 3/9] iommu/arm-smmu: Add support for pagetable config domain attribute Sai Prakash Ranjan
2020-11-25 7:00 ` [PATCHv10 4/9] iommu/arm-smmu: Move non-strict mode to use io_pgtable_domain_attr Sai Prakash Ranjan
2020-11-25 7:00 ` [PATCHv10 5/9] drm/msm: rearrange the gpu_rmw() function Sai Prakash Ranjan
2020-11-25 7:00 ` [PATCHv10 6/9] drm/msm/a6xx: Add support for using system cache(LLC) Sai Prakash Ranjan
2020-11-25 7:00 ` [PATCHv10 7/9] drm/msm/a6xx: Add support for using system cache on MMU500 based targets Sai Prakash Ranjan
2020-11-25 7:00 ` [PATCHv10 8/9] iommu: arm-smmu-impl: Use table to list QCOM implementations Sai Prakash Ranjan
2020-11-25 7:00 ` [PATCHv10 9/9] iommu: arm-smmu-impl: Add a space before open parenthesis Sai Prakash Ranjan
2020-11-25 14:05 ` [PATCHv10 0/9] System Cache support for GPU and required SMMU support Will Deacon
2020-11-25 14:05 ` Will Deacon [this message]
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