linux-kernel - Re: [PATCH V4] iommu/arm-smmu: add actlr settings for mdss on Qualcomm platforms

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Message-ID: <ombtqnvej7vxot7fzhtbgt7doqky4b4wwtockyvorpfi2hl4zz@wslecjpuhmmj>
Date: Fri, 5 Dec 2025 22:54:39 +0200
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Charan Teja Kalla <charan.kalla@....qualcomm.com>
Cc: konrad.dybcio@....qualcomm.com, robin.clark@....qualcomm.com,
        will@...nel.org, robin.murphy@....com, joro@...tes.org,
        iommu@...ts.linux.dev, linux-arm-msm@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH V4] iommu/arm-smmu: add actlr settings for mdss on
 Qualcomm platforms

On Tue, Dec 02, 2025 at 06:24:47PM +0530, Charan Teja Kalla wrote:
> Add ACTLR settings for missing MDSS devices on Qualcomm platforms.
> 
> These are QoS settings and are specific to per SoC thus different
> settings, eg: some have shallow prefetch while others have no
> prefetch.
> 
> Aswell, this prefetch feature is not implemented for all the
> platforms, capturing to those are implemented to the best of my
> knowledge.
> 
> Signed-off-by: Charan Teja Kalla <charan.kalla@....qualcomm.com>
> ---
> Changes from V3:
>  1) Add actlr setting for missing sc8180x & sm6115.

Thanks!


Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>


> 

-- 
With best wishes
Dmitry