[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
More information about the linux-arm-kernel
mailing list