From: Charan Teja Kalla <charan.kalla@oss.qualcomm.com>
To: konrad.dybcio@oss.qualcomm.com, robin.clark@oss.qualcomm.com,
will@kernel.org, robin.murphy@arm.com, joro@8bytes.org,
dmitry.baryshkov@oss.qualcomm.com
Cc: iommu@lists.linux.dev, linux-arm-msm@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org,
Charan Teja Kalla <charan.kalla@oss.qualcomm.com>
Subject: [PATCH V2] iommu/arm-smmu: add actlr settings for mdss on sa8775p platform
Date: Tue, 18 Nov 2025 22:48:22 +0530 [thread overview]
Message-ID: <20251118171822.3539062-1-charan.kalla@oss.qualcomm.com> (raw)
Add ACTLR settings for the mdss device on Qualcomm SA8775P platform.
This is achieved by adding compatibility string for mdss in the actlr
client of match table.
Signed-off-by: Charan Teja Kalla <charan.kalla@oss.qualcomm.com>
---
Changed from V1:
1) Added actlr setting only for MDSS and dropped for fastrpc. -- konrad
2) ACTLR table is updated per alphanumeric order -- konrad
https://lore.kernel.org/all/20251105075307.1658329-1-charan.kalla@oss.qualcomm.com/
drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c b/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c
index 62874b18f645..0b400e22cb00 100644
--- a/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c
+++ b/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c
@@ -41,6 +41,8 @@ static const struct of_device_id qcom_smmu_actlr_client_of_match[] = {
.data = (const void *) (PREFETCH_DEEP | CPRE | CMTLB) },
{ .compatible = "qcom,fastrpc",
.data = (const void *) (PREFETCH_DEEP | CPRE | CMTLB) },
+ { .compatible = "qcom,sa8775p-mdss",
+ .data = (const void *) (PREFETCH_DEFAULT | CMTLB) },
{ .compatible = "qcom,sc7280-mdss",
.data = (const void *) (PREFETCH_SHALLOW | CPRE | CMTLB) },
{ .compatible = "qcom,sc7280-venus",
--
2.34.1
next reply other threads:[~2025-11-18 17:19 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-18 17:18 Charan Teja Kalla [this message]
2025-11-18 18:03 ` Dmitry Baryshkov
2025-11-19 18:06 ` Charan Teja Kalla
2025-11-20 12:33 ` Konrad Dybcio
2025-11-21 16:40 ` Dmitry Baryshkov
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