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[103.229.16.4]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2b242690e60sm136623835ad.37.2026.04.01.00.33.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 01 Apr 2026 00:33:53 -0700 (PDT) From: Jianping Li To: andersson@kernel.org, konradybcio@kernel.org, robh@kernel.org, krzk+dt@kernel.org Cc: Jianping Li , conor+dt@kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, ekansh.gupta@oss.qualcomm.com Subject: [PATCH] arm64: dts: qcom: kodiak: increase fastrpc compute-cb session slots Date: Wed, 1 Apr 2026 15:33:45 +0800 Message-Id: <20260401073345.478-1-jianping.li@oss.qualcomm.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDAxMDA2NiBTYWx0ZWRfX1pFRLrz9Cpqe zk3KHj1bc1PknPBKTXS51Uu2ePm9FtsvxH2ZvwaJCqXreUYCD8RciQF+3v+QZ2kWx1aPRyn0vua 0jBUiez1li5yOi8jDslX3ZBd7fpHsWOyfRa+ltxe70zALMrDT1v6evlQfYtZUqBC3P0tTcHbpZQ mUnrmhN7OisrsoyAa/0q+2rBonLJKZzpuos30Rp12qFVtC6frwU0Mz8mi/ODOwrFp2PwdHG/SEI fdcxJE7m/Nd9KE+SzczTCEBFxlf+hdu5im2TpabNeA8wIuUgp91B0McvXeuiDZwP1HE/mAxnnv7 e2+dsHNBj3p7qorTVUer+Zq9qtruivS4hiMARmT6oe+MrhqJE+fbYzoE/dFh5oucjukX2HuMMIV 4ioL4RLBUG4vcad89EyYWqDwv/3IfnoL4Mthq8xGOWeV0I+gdWVcomUc54DE/mCPIeLjHp7xi6O hHdoR3nE+lCKyOAm+pg== X-Authority-Analysis: v=2.4 cv=YcawJgRf c=1 sm=1 tr=0 ts=69ccca63 cx=c_pps a=IZJwPbhc+fLeJZngyXXI0A==:117 a=nuhDOHQX5FNHPW3J6Bj6AA==:17 a=A5OVakUREuEA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=DJpcGTmdVt4CTyJn9g5Z:22 a=EUspDBNiAAAA:8 a=hbxEiaAZNVryL09W7gsA:9 a=uG9DUKGECoFWVXl0Dc02:22 X-Proofpoint-GUID: 7PVxZBqvcVCzDOz12jhUmdb8tEXazLYR X-Proofpoint-ORIG-GUID: 7PVxZBqvcVCzDOz12jhUmdb8tEXazLYR X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-04-01_02,2026-04-01_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 priorityscore=1501 adultscore=0 clxscore=1011 suspectscore=0 malwarescore=0 impostorscore=0 spamscore=0 lowpriorityscore=0 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2604010066 Some workloads on Kodiak can exhaust FastRPC sessions when multiple compute clients open contexts concurrently, leading to -EBUSY failures. Describe the compute context bank with qcom,nsessions = <5> so the driver can provision enough session slots for the compute-cb instance. Signed-off-by: Jianping Li --- arch/arm64/boot/dts/qcom/kodiak.dtsi | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/boot/dts/qcom/kodiak.dtsi b/arch/arm64/boot/dts/qcom/kodiak.dtsi index 6079e67ea829..5bd20909f9db 100644 --- a/arch/arm64/boot/dts/qcom/kodiak.dtsi +++ b/arch/arm64/boot/dts/qcom/kodiak.dtsi @@ -4465,6 +4465,7 @@ compute-cb@5 { compatible = "qcom,fastrpc-compute-cb"; reg = <5>; iommus = <&apps_smmu 0x1805 0x0>; + qcom,nsessions = <5>; dma-coherent; }; }; -- 2.43.0