|
|
Log in / Subscribe / Register

Enable QoS configuration on QCS8300

From:  Odelu Kukatla <odelu.kukatla-AT-oss.qualcomm.com>
To:  Georgi Djakov <djakov-AT-kernel.org>, Rob Herring <robh-AT-kernel.org>, Krzysztof Kozlowski <krzk+dt-AT-kernel.org>, Conor Dooley <conor+dt-AT-kernel.org>, Bjorn Andersson <andersson-AT-kernel.org>, Konrad Dybcio <konradybcio-AT-kernel.org>
Subject:  [PATCH 0/3] Enable QoS configuration on QCS8300
Date:  Fri, 28 Nov 2025 20:31:03 +0530
Message-ID:  <20251128150106.13849-1-odelu.kukatla@oss.qualcomm.com>
Cc:  Raviteja Laggyshetty <raviteja.laggyshetty-AT-oss.qualcomm.com>, Odelu Kukatla <odelu.kukatla-AT-oss.qualcomm.com>, Dmitry Baryshkov <dmitry.baryshkov-AT-oss.qualcomm.com>, Bartosz Golaszewski <bartosz.golaszewski-AT-linaro.org>, linux-arm-msm-AT-vger.kernel.org, linux-pm-AT-vger.kernel.org, devicetree-AT-vger.kernel.org, linux-kernel-AT-vger.kernel.org, Mike Tipton <mike.tipton-AT-oss.qualcomm.com>
Archive-link:  Article

This series enables QoS configuration for QNOC type device which
can be found on QCS8300 platform. It enables QoS configuration
for master ports with predefined priority and urgency forwarding.
This helps in prioritizing the traffic originating from different
interconnect masters at NOC (Network On Chip). 
The system may function normally without this feature. However,
enabling QoS helps optimize latency and bandwidth across subsystems
like CPU, GPU, and multimedia engines, which becomes important in
high-throughput scenarios. This is a feature aimed at performance
enhancement to improve system performance under concurrent workloads.

Odelu Kukatla (3):
  dt-bindings: interconnect: add clocks property to enable QoS on
    qcs8300
  interconnect: qcom: qcs8300: enable QoS configuration
  arm64: dts: qcom: qcs8300: Add clocks for QoS configuration

 .../interconnect/qcom,qcs8300-rpmh.yaml       |  53 ++-
 arch/arm64/boot/dts/qcom/monaco.dtsi          |   6 +
 drivers/interconnect/qcom/qcs8300.c           | 375 ++++++++++++++++++
 3 files changed, 428 insertions(+), 6 deletions(-)

-- 
2.17.1




Copyright © 2025, Eklektix, Inc.
Comments and public postings are copyrighted by their creators.
Linux is a registered trademark of Linus Torvalds