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Wed, 19 Aug 2026 07:54:07 -0700 (PDT) X-Received: by 2002:a17:903:3b84:b0:2d5:2f49:b3de with SMTP id d9443c01a7336-2d5fd3e78f6mr105267565ad.0.1787151246678; Wed, 19 Aug 2026 07:54:06 -0700 (PDT) Received: from [192.168.1.17] ([122.164.82.116]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2d5bb4e1339sm28651605ad.19.2026.08.19.07.54.04 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 19 Aug 2026 07:54:05 -0700 (PDT) Message-ID: <18eb2d9f-474c-4b1c-bb57-87c7568f6612@oss.qualcomm.com> Date: Wed, 19 Aug 2026 20:24:00 +0530 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2] soc: qcom: llcc: Update the SCT table for IPQ5424 To: Konrad Dybcio , Bjorn Andersson , Konrad Dybcio Cc: linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260811-ipq5424_llcc_updates-v2-1-1e4350585671@oss.qualcomm.com> <28bffcd1-4743-43ae-936b-9f9f92117a9e@oss.qualcomm.com> Content-Language: en-US From: Kathiravan Thirumoorthy In-Reply-To: <28bffcd1-4743-43ae-936b-9f9f92117a9e@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODE5MDExNiBTYWx0ZWRfXxckc66T512MM YhMXRAzrGAx5jJebZM4gf5e5OB/Qfyx5xqX1upgYlPrj+nERGJ60lN8Bs4tSkGrj1/ahcTtog0t F86tteYkBzvrIIPhuEkWDUanW8RqeyXFtEgfn7h+/cRVZ/zpBeVpjpzl3cSI4m28iidb2McjDrk IkWlq30NfSyeQyrJyvjJRI3zGZpNW5zj8SYK2AFR/RK2lTPAqd2cNaEJJ/QDFeTAmhtRwgk06AA VKETFlYhT7rIQLPYQREx4RY23MJVGG0ACXiMB1fvLHNj51BPCMqipqTImnXegg43s+cZIZyzgd9 EqjeH2/Wz+M0AWduG2heXLwxzFMiAOr3gnuKf9/KTH3shGLbI1OBRv3HEqjizdgptUZK4eRR/Ux vUr4Jc4NCLJ7nsFSDCeel0RlEnTtaO5xGvIoowF+JlM04APFdgg+shKGHpQyLO4Ezkp8QkFykTU nG0cAgWAm7/W4Nlqwow== X-Proofpoint-Spam-Info: AW1haW4tMjYwODE5MDExNiBTYWx0ZWRfX07eLFi2PSF1h IizbQK5NAno0vKy32ffVcPFd4rVoDpVqa3ptz+OoQay3Qr6xMtVIl39KA82bK4xyPYXHVWhvvcA AcCNnJ8KDgOMeaFzAATCLGG8eUq1eWY= X-Proofpoint-GUID: ocZh5o2lYrywlOcduxpNTJk6AjdhZIPu X-Proofpoint-ORIG-GUID: ocZh5o2lYrywlOcduxpNTJk6AjdhZIPu X-Authority-Analysis: v=2.4 cv=J+SaKgnS c=1 sm=1 tr=0 ts=6a85c390 cx=c_pps a=IZJwPbhc+fLeJZngyXXI0A==:117 a=qIqPzopyQqEoCwq43hjx9A==:17 a=IkcTkHD0fZMA:10 a=Sv0fKeRqtYgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_K5XuSEh1TEqbUxoQ0s3:22 a=4pKe--ygYk9DO-BB_LoA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=uG9DUKGECoFWVXl0Dc02:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-08-19_04,2026-08-19_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 impostorscore=0 adultscore=0 clxscore=1015 priorityscore=1501 spamscore=0 lowpriorityscore=0 phishscore=0 bulkscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2608190116 On 8/19/2026 5:23 PM, Konrad Dybcio wrote: > On 8/11/26 2:34 PM, Kathiravan Thirumoorthy wrote: >> Update the IPQ5424 LLCC slice configuration table to give the PPE >> and Wi-Fi datapaths dedicated slices. >> >> Assign slice IDs 1 and 5 to the PPE RX descriptor and RX fill use cases, >> slice IDs 6 and 7 to the Wi-Fi radios connected over PCIe, and slice ID >> 2 to the CPU subsystem. Adjust the corresponding capacities, priorities, >> and way masks for these consumers. >> >> Having the dedicated slice configuration for each of these use cases helps >> to improve the networking throughput by more than 1 Gbps. >> >> Rename the usecase IDs for slice IDs 1 and 2 because LLCC_CPUSS and >> LLCC_VIDSC0 do not describe the actual users of those slices. > This reiterates the diff, but doesn't mention the actual reason for this > change (updated recommendations from the hardware team) These slice assignments are based on recommendations from our performance team, following throughput measurements on IPQ5424 — not from a hardware team. Please let me know if I'm missing something here. > > Konrad