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[108.89.202.162]) by smtp.gmail.com with ESMTPSA id 956f58d0204a3-6647f785f6bsm4759538d50.6.2026.06.27.11.55.03 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Sat, 27 Jun 2026 11:55:05 -0700 (PDT) From: t X-Google-Original-From: t To: Konrad Dybcio Cc: Jason Pettit , Bjorn Andersson , Rob Herring , Krzysztof Kozlowski , Conor Dooley , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Akhil P Oommen , Mahadevan P , Sibi Sankar , Jingyi Wang , Ananthu C V Subject: Re: [PATCH v2 2/3] arm64: dts: qcom: Add HP EliteBook X G2q 14 AI Date: Sat, 27 Jun 2026 11:55:02 -0700 Message-ID: <20260627185502.26948-1-t@t.t> X-Mailer: git-send-email 2.50.1 In-Reply-To: References: <20260625-glymur-send-v2-0-00905324ffbf@oss.qualcomm.com> <20260625-glymur-send-v2-2-00905324ffbf@oss.qualcomm.com> 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-ORIG-GUID: tji4Iml8eJT0bk-ONvLZBd0XBJVEdmI8 X-Proofpoint-Spam-Info: AW1haW4tMjYwNjI3MDE2NiBTYWx0ZWRfX+8xLewrIjmgS KFoqkaPgiW7GyOFvv39f7tkNHbrAKYWIDHDuxqZsweFkA3u035Os7bNVgCuhjd4C2WEjU4RQooX QVeVANgio/0Y0Wmik67C1YsQLMk/4gw= X-Proofpoint-GUID: tji4Iml8eJT0bk-ONvLZBd0XBJVEdmI8 X-Authority-Analysis: v=2.4 cv=SuugLvO0 c=1 sm=1 tr=0 ts=6a401c8b cx=c_pps a=S/uc88zpIJVNbziUnJ6G4Q==:117 a=AgdIAmbgiPN5lz+IpyuXaA==:17 a=FelO9ux0wxsA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yx91gb_oNiZeI1HMLzn7:22 a=EUspDBNiAAAA:8 a=ClHHCGylXNJOVoNdELgA:9 a=O8hF6Hzn-FEA:10 a=nd2WpGr1bMy9NW-iytEl:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjI3MDE2NiBTYWx0ZWRfX0jcCAVGi4wXR j+NxtKpTEtL3pm/rIZJHz29pHRhsnflV1ztr0+/Nqd9vhOLJJb5GGpRZzg8KurGo8NOrIklJqMf pffSsaoXYFQlLBIDUGlO+4t7Kpi+GP1uUwjiLiYVYyOLV78Weu7+AWppvxO+1IDFU8hgDEEdO3X ATtuefoTN522SO95c1jNU1J3Jw3L+fQXneiV37kQy9ingrdA06NJNIvr/44yBTVHyCGaZj1bw+b /Qi/p/fsGNEAUdGnEDfgbDNEE/l4govnHMA5vg2qHCo+Z59pcxxsq1Jj4Cx1zEl1d0fodTe3tkk 1wReou11C6PY/xyd7Q0T7DTcrm9RGp7adKa+4nXtJngf92fu2wN9sNJBkLKK5zxtIpMOwH6+K24 QqBLY9FmgYS1pwxiEpaBzHF4BRi+hntjO5GztXiRQ+tw4CGMjsc/qwBd6YLoTVREprwZ2/oM+Kc QSZ5+KwMnwbVBRJuFdw== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-06-27_03,2026-06-26_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 spamscore=0 adultscore=0 priorityscore=1501 clxscore=1015 phishscore=0 bulkscore=0 impostorscore=0 suspectscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2606270166 From: Jason Pettit On Fri, 26 Jun 2026 13:27:42 +0200, Konrad Dybcio wrote: > If you remove these two nodes, the QMPPHY-as-DP-only should still > function (it's the USB3 block that depends on the QMPPHY, not the > other way around) I boot-tested this. With &usb_2 and &usb_2_hsphy removed, dmesg still shows the af64000 DP controller binding and /sys/class/drm shows the HDMI-A-1 connector as connected, but nothing is displayed on the attached monitor. With both nodes present, the monitor shows an image. So removing them stops HDMI from working on this board. The comment in v3 will be updated to read: /* usb_2's combo PHY drives the HDMI bridge over DP; keep the dwc3 enabled. */ Thanks, Jason