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Tue, 20 Jan 2026 07:11:14 -0800 (PST) Received: from hu-bibekkum-hyd.qualcomm.com ([202.46.22.19]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-3527306c41esm11517836a91.5.2026.01.20.07.11.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 20 Jan 2026 07:11:13 -0800 (PST) From: bibek.patro@oss.qualcomm.com To: will@kernel.org Cc: bibek.patro@oss.qualcomm.com, catalin.marinas@arm.com, charan.kalla@oss.qualcomm.com, dmitry.baryshkov@oss.qualcomm.com, iommu@lists.linux.dev, joro@8bytes.org, kernel-team@android.com, konrad.dybcio@oss.qualcomm.com, linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, robin.clark@oss.qualcomm.com, robin.murphy@arm.com Subject: [PATCH] iommu/arm-smmu-qcom: Restore ACTLR settings for MDSS on sa8775p Date: Tue, 20 Jan 2026 20:41:05 +0530 Message-Id: <20260120151105.614792-1-bibek.patro@oss.qualcomm.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; 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Without this entry, the sa8775p MDSS block does not receive the intended default ACTLR configuration. Restore the missing compatible entry so that the platform receives the expected behavior. Signed-off-by: Bibek Kumar Patro --- Hello community, Resending this patch as the earlier version was sent as an in=E2=80=91reply=E2=80=91to within an ongoing discussion thread [1], instea= d of being sent as a new standalone patch submission. This may have caused it to inherit the same message-id and appear threaded incorrectly. Please consider this as the correct patch submission. [1]: https://lore.kernel.org/all/20260109204551.845959-1-bibek.patro@oss.qualcom= m.com/ Thanks & regards, Bibek 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 456d5146831e..718d102356d9 100644 --- a/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c +++ b/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c @@ -43,6 +43,8 @@ static const struct of_device_id qcom_smmu_actlr_client_o= f_match[] =3D { .data =3D (const void *) (PREFETCH_DEEP | CPRE | CMTLB) }, { .compatible =3D "qcom,qcm2290-mdss", .data =3D (const void *) (PREFETCH_SHALLOW | CPRE | CMTLB) }, + { .compatible =3D "qcom,sa8775p-mdss", + .data =3D (const void *) (PREFETCH_DEFAULT | CMTLB) }, { .compatible =3D "qcom,sc7280-mdss", .data =3D (const void *) (PREFETCH_SHALLOW | CPRE | CMTLB) }, { .compatible =3D "qcom,sc7280-venus", -- 2.34.1