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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-aec6ca2f1a7sm1030310466b.91.2025.07.23.04.38.48 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 23 Jul 2025 04:38:49 -0700 (PDT) Message-ID: Date: Wed, 23 Jul 2025 13:38:47 +0200 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] arm64: dts: qcom: hamoa-iot-evk: Enable display support To: Yongxing Mou , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20250723-x1e-evk-dp-v1-1-be76ce53b9b8@quicinc.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20250723-x1e-evk-dp-v1-1-be76ce53b9b8@quicinc.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Authority-Analysis: v=2.4 cv=G8UcE8k5 c=1 sm=1 tr=0 ts=6880c9cc cx=c_pps a=HLyN3IcIa5EE8TELMZ618Q==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=Wb1JkmetP80A:10 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=COk6AnOGAAAA:8 a=FtQQbC5FwJ0cWtqdlLwA:9 a=QEXdDO2ut3YA:10 a=bTQJ7kPSJx9SKPbeHEYW:22 a=TjNXssC_j7lpFel5tvFf:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNzIzMDA5OSBTYWx0ZWRfX5Nh93iv0Vl+Y vFFR/v1vuDs6bSJswb261igL8/nlREwQGSRC/cvjRBvK8RUErOTEGeznhmx+VD01aP6pex8RDTe 0/9MhBqGiyN5loiGiwKCdSfapLu+4xXgh4T6xIMqUY7WLxsRNx4wgv5cZppEDB6AFcYHaAsnrYm gzGJJcXdxalqKnH6VoM8XjxqQ2qK28EVf22a96s8YXE+JHOSgMhujnG46irndI3nnqxJXC7vhQo wYf0tUp2ldwhKcIIHyHao/hcLlIQjIPg6+7A8P506fvbSQ3J+Pez5KNEdnboikHS8Nk6exn2ooE UYwkJqpP8fOYQ2dGuBNu+UiRTVQ25zd4eHuDLtGd2rqNZHyGJZAlY59Xzy4OFIBV/UBqLsilGF0 COnPowblZLP1nLtUj/iO6yfW7ZU+UQqi0hWHPSHLYyKLX2Gn+V6rikUYMacn9XpESr27m5+n X-Proofpoint-GUID: y7kjm52lTduS6hUVrJA5E0stE5-lHyfR X-Proofpoint-ORIG-GUID: y7kjm52lTduS6hUVrJA5E0stE5-lHyfR X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-07-23_02,2025-07-22_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 mlxscore=0 suspectscore=0 priorityscore=1501 clxscore=1015 bulkscore=0 impostorscore=0 phishscore=0 spamscore=0 lowpriorityscore=0 mlxlogscore=999 adultscore=0 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2505280000 definitions=main-2507230099 On 7/23/25 8:14 AM, Yongxing Mou wrote: > Enable DisplayPort support on all three USB-C ports of the > hamoa-iot-evk platform. > > Unlike most X1E-based boards, this platform uses FSUSB42 USB > switches for the USB0 Type-C port, while USB1 and USB2 rely on > Parade PS8830 retimers for Alt Mode switching. > > Support for the PS8830 retimers was already included in the > initial DTS, so this change adds support for the FSUSB42 switches. > > Due to limitations in the USB/DP combo PHY driver, DisplayPort > functionality is limited to 2 lanes instead of the maximum 4, > consistent with other X1E-based platforms. > > The platform also supports embedded DisplayPort (eDP) by default. > > Signed-off-by: Yongxing Mou > --- > This change made top of initial DTS: > https://lore.kernel.org/all/20250716-hamoa_initial-v1-0-f6f5d0f9a163@oss.qualcomm.com/ > --- [...] > + ports { > + port@1 { > + reg = <1>; > + mdss_dp3_out: endpoint { Please keep a \n between properties and subnodes [...] > base-commit: 0be23810e32e6d0a17df7c0ebad895ba2c210fc4 > change-id: 20250721-x1e-evk-dp-141e0df5593d > prerequisite-message-id: <20250716-hamoa_initial-v1-0-f6f5d0f9a163@oss.qualcomm.com> > prerequisite-patch-id: 3c553b55d143eafc1036ce2e88df558ec61c4e83 > prerequisite-patch-id: a4b2dabd376d32ecb159141c17113a8f3fc4ddfa > prerequisite-patch-id: 24bf2ada12dc10f9980ed2c56347e5b6f7964ebd > prerequisite-patch-id: c764e86c94055e56aaf9e701341bba52a54a998b Having so many dependencies should raise your attention.. Konrad