[PATCH] iommu/arm-smmu-qcom: Add glymur MDSS to ACTLR client table

Dmitry Baryshkov dmitry.baryshkov at oss.qualcomm.com
Tue Apr 28 03:26:34 PDT 2026


On Tue, Apr 28, 2026 at 03:13:50PM +0530, Lokanadha M R wrote:
> Add qcom,glymur-mdss to the qcom_smmu_actlr_client_of_match[]
> table to configure the SMMU-500 context bank for the display
> subsystem (MDSS) on the Glymur platform.
> 
> The settings disable the next-page prefetcher while keeping
> macro TLB caching enabled. Without this entry,
> qcom_smmu_set_actlr_dev() finds no match for the glymur MDSS
> device and leaves the context bank ACTLR at its reset value.
> 
> Signed-off-by: Lokanadha M R <lokanadha.r at oss.qualcomm.com>
> ---
>  drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c | 2 ++
>  1 file changed, 2 insertions(+)
> 

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


-- 
With best wishes
Dmitry



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