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
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