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Mon, 26 Oct 2026 08:41:05 -0700 (PDT) Received: from jeffmr.mynetworksettings.com ([2600:1014:a112:1526:a95b:f8ab:d834:50c9]) by smtp.gmail.com with ESMTPSA id 586e51a60fabf-4a84315c0c9sm4746441fac.7.2026.10.26.08.41.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 26 Oct 2026 08:41:05 -0700 (PDT) From: Jeff Roach To: Bjorn Andersson , Konrad Dybcio Cc: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Abel Vesa , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 0/2] arm64: dts: qcom: Add HP OmniBook X 16-cp1 Date: Mon, 26 Oct 2026 10:39:59 -0500 Message-ID: <20261026154001.9323-1-jeff.roach0@gmail.com> X-Mailer: git-send-email 2.55.0 X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit This adds a device tree for the HP OmniBook X 16-cp1 (board 8F46), a 16" laptop with the 12-core Snapdragon X2 Elite (Mahua). Tested with Ubuntu's 7.3-based linux-qcom-x1e kernel. Everything listed in patch 2 works there, including suspend (s2idle). Notes: - DisplayPort at HBR2 needs "phy: qualcomm: qmp-combo: update DP PHY PLL programming on Glymur" v5 [1]. Without it the stream runs at half rate and the monitor shows no picture. With it, about 1 in 4 plug-ins still gives no picture; replugging fixes it. - The GPU is disabled. It works with "drm/msm: Mahua GPU support" [2] applied; I'll send a follow-up to enable it once that lands. - Audio needs a topology and UCM config for the "HP-OmniBook-X16" model, which are not upstream yet. The headphone jack (SDCA) is not described. - I hit one hard lockup while plugging USB-C devices during testing and could not reproduce it in later plug/unplug cycles. This series was written with the help of an AI coding assistant (Claude): the device tree started from glymur-hp-elitebook-x-g2q.dts and the laptop's ACPI tables. I reviewed it and tested it on the laptop. Earlier bring-up report: [3] Changes in v2: - Add static data-lanes to usb_2_qmpphy so the PHY uses USB3-only mode (reported by Sashiko) - Drop the Assisted-by tag, describe the tool use in the changelog instead (Krzysztof) - Link to v1: https://lore.kernel.org/r/20261024044650.9936-1-jeff.roach0@gmail.com [1] https://lore.kernel.org/all/20261001-glymur-phy-v3-v5-0-3848c2615d5a@oss.qualcomm.com/ [2] https://lore.kernel.org/all/20260925-mahua-gpu-v1-0-0fa0bfd8d315@oss.qualcomm.com/ [3] https://lore.kernel.org/all/CAAnD8Rb4ZZrHFWMJayabioB_8bOHh1mqZ5LCXZz0jTNGMA7UZQ@mail.gmail.com/ Jeff Roach (2): dt-bindings: arm: qcom: Add HP OmniBook X 16-cp1 arm64: dts: qcom: Add HP OmniBook X 16-cp1 .../devicetree/bindings/arm/qcom.yaml | 1 + arch/arm64/boot/dts/qcom/Makefile | 1 + .../boot/dts/qcom/mahua-hp-omnibook-x16.dts | 855 ++++++++++++++++++ 3 files changed, 857 insertions(+) create mode 100644 arch/arm64/boot/dts/qcom/mahua-hp-omnibook-x16.dts base-commit: f5672a3dff0291d6a45eb0c258b9d2baeb4dc577 -- 2.55.0