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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: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Proofpoint-GUID: F3-Y4RNEhPT2KhXhjIpzSca36d3W5HWT X-Proofpoint-ORIG-GUID: F3-Y4RNEhPT2KhXhjIpzSca36d3W5HWT X-Authority-Analysis: v=2.4 cv=B/C0EetM c=1 sm=1 tr=0 ts=69ccca63 cx=c_pps a=JL+w9abYAAE89/QcEU+0QA==:117 a=nuhDOHQX5FNHPW3J6Bj6AA==:17 a=A5OVakUREuEA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yx91gb_oNiZeI1HMLzn7:22 a=EUspDBNiAAAA:8 a=hbxEiaAZNVryL09W7gsA:9 a=324X-CrmTo6CU4MGRt3R:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDAxMDA2NiBTYWx0ZWRfX9R3ctSwaQzDX G8Uqv+hGSavHa18vZ1yeY3wNgJYlH7ljrQK/51qIKPNg7TcfrRBGborKxHtudY/HD8Fzhw/c9NI 5eH4SJWxBLWZ40qvG727YZ4HfEIA6fyPneOGcH82BGggJJL1soORBJWIO2U07VXgInB3f/kgGyS oSmhjPoRR1948WBQfwg2WUp0vIap0XAfEn13V/otYuNQVO2PaTPnErlLaWlh8Z77dOI+rzeTGuG bAEKSHCWo4PGwo9+7uiPX71MFKhxv0gasR/CTldJi+GH39K/RTykYK83CNf0Y/g4oYuEONqN/E7 ykIR2nJaU4dDW9lkHR2V3AbFjkxnWHHfxETf5sUg+1JRpNSg1WjEYZ1unVyijf1Yq1vb0VoMU1x uiQltqJYTfGv7N1bVeLPhyW/Voisy2zFMyVokVR/j0ilPfta45M9yihkm6/1/Gmnoz9Ugzau1yJ H11yX4msNmxZA52vrrQ== 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 spamscore=0 priorityscore=1501 bulkscore=0 phishscore=0 malwarescore=0 lowpriorityscore=0 adultscore=0 clxscore=1015 impostorscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2604010066 Content-Type: text/plain; charset="utf-8" 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 =3D <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/qco= m/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 =3D "qcom,fastrpc-compute-cb"; reg =3D <5>; iommus =3D <&apps_smmu 0x1805 0x0>; + qcom,nsessions =3D <5>; dma-coherent; }; }; --=20 2.43.0