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Fri, 28 Aug 2026 06:15:48 -0700 (PDT) X-Received: by 2002:a05:6122:6b86:20b0:5c6:56ae:2534 with SMTP id 71dfb90a1353d-5c681519d46mr752259e0c.3.1787922948209; Fri, 28 Aug 2026 06:15:48 -0700 (PDT) Received: from [192.168.120.193] ([178.235.128.140]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-c255f1fa3ddsm78819966b.45.2026.08.28.06.15.46 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 28 Aug 2026 06:15:47 -0700 (PDT) Message-ID: <673359ba-7249-4e0f-b5e3-4c729d4fe6fc@oss.qualcomm.com> Date: Fri, 28 Aug 2026 15:15:45 +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 1/2] arm64: dts: qcom: sc8280xp-x13s: Enable HBR3 on external DPs To: jens.glathe@oldschoolsolutions.biz, 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: <20260827-x13s-dpaudio-v1-0-da73414c6ab5@oldschoolsolutions.biz> <20260827-x13s-dpaudio-v1-1-da73414c6ab5@oldschoolsolutions.biz> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260827-x13s-dpaudio-v1-1-da73414c6ab5@oldschoolsolutions.biz> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Authority-Analysis: v=2.4 cv=ZbMt8MVA c=1 sm=1 tr=0 ts=6a918a05 cx=c_pps a=5HAIKLe1ejAbszaTRHs9Ug==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=Sv0fKeRqtYgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=YMgV9FUhrdKAYTUUvYB2:22 a=gxl3bz0cAAAA:8 a=EUspDBNiAAAA:8 a=Uer6SED5Sbd5OPh8DIMA:9 a=QEXdDO2ut3YA:10 a=gYDTvv6II1OnSo0itH1n:22 a=kiRiLd-pWN9FGgpmzFdl:22 X-Proofpoint-ORIG-GUID: P5oa85sH0hBcysMHLt9IxZmV17OQpGDs X-Proofpoint-GUID: P5oa85sH0hBcysMHLt9IxZmV17OQpGDs X-Proofpoint-Spam-Info: AW1haW4tMjYwODI4MDExNCBTYWx0ZWRfXy1gDUM5n9pGA LRarFFwOMmHJ0mEw/pqVIIxtN4SQk80os+QuAqC76OV9byE8FtzxZ+2hX7FeWO267Mgss6MZapy 1ZaM1kM/yCU8dNSsSg+sGGtFjYvv2P8= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODI4MDExNCBTYWx0ZWRfX69d2D+t7nHRu IOdXvpFdnXpwukssyBQjoG3LSGBZ3eBQcRghcxQdTbIOjOLR0/2+59EYcAqY35UbKow57OAmxXQ m7MTMQ7EiTtrbP8t4Ux8xB+g7q03EQc9rPpwPZA0hR7pohyEPUL0BHtENo+TMMR+xESl3cZp+NW WsouZEiZ8GYy2Tu5MwdnuzLDQqWqA+6icGsFek0yECpe6s7aCE17yAI2BGMGkEc2ov28DDpxU9e v3OGIkDCNImYz8N3hky2Pxnrni2fMrb4gqmGhHEHfoSAVdR6AuWV5v3fJ2AUU0sN9KvIwQOTnIn sIch8E/qJWjQPzUSHTC20pfuE+26ImodNHM59p7tzkfOQOKgE9lozvFYxFquZUGL/kAEzkangU5 KTwRmrWgFW6S8fjRIXPARspxcr3rJrkvTnl3/FkdOZ7hebWfmuMusI5cqUSpbuBj4jcVrPWVZMc qFizbdcKQvh3U12y04A== 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=2026-08-28_03,2026-08-27_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 impostorscore=0 clxscore=1015 priorityscore=1501 lowpriorityscore=0 bulkscore=0 adultscore=0 malwarescore=0 suspectscore=0 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2608280114 On 8/27/26 9:52 AM, Jens Glathe via B4 Relay wrote: > From: Jens Glathe > > When no link frequencies are set, the msm/dp driver defaults to HBR2. > Explicitly list the supported rates including HBR3 (8.1 Gbps) on both > USB-C DisplayPort endpoints so high-resolution docks and monitors can > train above 5.4 Gbps. > > Signed-off-by: Jens Glathe > --- Reviewed-by: Konrad Dybcio Konrad