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Fri, 09 Jan 2026 12:46:01 -0800 (PST) X-Google-Smtp-Source: AGHT+IHqjv0b7lCDCbINP4r0dTLyev/FwhW0Ax5Z9VTaH/LlqyuxmnOU3MdXKx8Xj1jiP03kXOMtcA== X-Received: by 2002:a05:6a00:3003:b0:7b9:4e34:621b with SMTP id d2e1a72fcca58-81b7eb27c78mr10510795b3a.12.1767991560769; Fri, 09 Jan 2026 12:46:00 -0800 (PST) Received: from hu-bibekkum-hyd.qualcomm.com ([202.46.22.19]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-81e6772688asm2485752b3a.45.2026.01.09.12.45.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 09 Jan 2026 12:46:00 -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: Sat, 10 Jan 2026 02:15:51 +0530 Message-Id: <20260109204551.845959-1-bibek.patro@oss.qualcomm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Proofpoint-ORIG-GUID: XpKOKGE1yE4A5cBfF-0txl8XlHNbCqUQ X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMTA5MDE2MiBTYWx0ZWRfXy350AwlNqoz9 Sg5O9Sb161MiulqqXyfs78hKd5oNDeEQJZiTFf2Dj67PPNgXTkx1GDvAHzugSGeHHtmfNYk8FGK ba3yQplSwdGQwZAdkmMzFO7GefzTYq2VKBtel57M2Wy5zsGQ2Lvw4oChb7jQwI0YpLhL5gOjIzq cVpJFeD2z3Ff0GfYUfXx0PCHks3wRBE0MD/7ClNpFM0itbZNlwMVumknosWwVdr5UvaZN/WQU8F GhrlfbqEFlu/AqgPTIByXBmdBU4yUbq7v5m7ZEeWe2bi0bI1oaHSyt13MGeKvM9NTu7lJdqiODc oTw0+1w0vK1mvPXzZ2gFsxkyN9eGaVRZCGRePwIlv3AFJf9adlx8ozxmd+bDTUaQfuk97/phwK5 6k6IfozRcaPZGxbhTeSiUsz0AZR16Bkn92/fxEuMGau8oZ7sfuC82CZL1Had26QsjysGqd5fqnw pAGh6Vxft086c3q7JRQ== X-Proofpoint-GUID: XpKOKGE1yE4A5cBfF-0txl8XlHNbCqUQ X-Authority-Analysis: v=2.4 cv=HP7O14tv c=1 sm=1 tr=0 ts=69616909 cx=c_pps a=m5Vt/hrsBiPMCU0y4gIsQw==:117 a=fChuTYTh2wq5r3m49p7fHw==:17 a=vUbySO9Y5rIA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=EUspDBNiAAAA:8 a=X4sqO_BnIXgP0qhT90oA:9 a=IoOABgeZipijB_acs4fv:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2026-01-09_06,2026-01-09_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 malwarescore=0 phishscore=0 impostorscore=0 priorityscore=1501 clxscore=1015 bulkscore=0 adultscore=0 spamscore=0 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2512120000 definitions=main-2601090162 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260109_124602_745053_4C413085 X-CRM114-Status: GOOD ( 14.85 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Bibek Kumar Patro The ACTLR configuration for the sa8775p MDSS client was inadvertently dropped while reworking the commit f91879fdf70b ("iommu/arm-smmu-qcom: Add actlr settings for mdss on Qualcomm platforms"). 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 --- 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_of_match[] = { .data = (const void *) (PREFETCH_DEEP | CPRE | CMTLB) }, { .compatible = "qcom,qcm2290-mdss", .data = (const void *) (PREFETCH_SHALLOW | 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