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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-abf0c6ee4c9sm85831766b.97.2025.02.27.00.41.13 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 27 Feb 2025 00:41:15 -0800 (PST) Message-ID: <40a2b943-c681-4f91-ae40-9002440f8708@oss.qualcomm.com> Date: Thu, 27 Feb 2025 09:41:09 +0100 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 v1 1/4] arm64: dts: qcom: x1e80100-dell-xps13-9345: Enable external DP support To: Aleksandrs Vinarskis , Bjorn Andersson , Konrad Dybcio , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Rob Herring , Krzysztof Kozlowski , Conor Dooley , laurentiu.tudor1@dell.com, abel.vesa@linaro.org References: <20250226231436.16138-1-alex.vinarskis@gmail.com> <20250226231436.16138-2-alex.vinarskis@gmail.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20250226231436.16138-2-alex.vinarskis@gmail.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-ORIG-GUID: tbfp7sn0cnNy33hdJnqZPfxkg996jvU6 X-Proofpoint-GUID: tbfp7sn0cnNy33hdJnqZPfxkg996jvU6 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1057,Hydra:6.0.680,FMLib:17.12.68.34 definitions=2025-02-27_04,2025-02-26_01,2024-11-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 spamscore=0 clxscore=1015 mlxscore=0 adultscore=0 mlxlogscore=999 suspectscore=0 phishscore=0 bulkscore=0 malwarescore=0 lowpriorityscore=0 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2502100000 definitions=main-2502270065 On 27.02.2025 12:12 AM, Aleksandrs Vinarskis wrote: > Particular laptops comes with two USB Type-C ports, both supporting DP > alt mode. Enable output on both of them. Explicitly list supported > frequencies including HBR3/8.1Gbps for all external DisplayPort(s). > > Due to support missing in the USB/DisplayPort combo PHY driver, > the external DisplayPort is limited to 2 lanes. > > Derived from: > arm64: dts: qcom: x1e80100-t14s: Add external DP support > > Signed-off-by: Aleksandrs Vinarskis > --- Reviewed-by: Konrad Dybcio Konrad