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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b842a56c547sm2237049566b.69.2026.01.13.06.43.09 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 13 Jan 2026 06:43:11 -0800 (PST) Message-ID: <7c225148-63de-4264-a59d-c14237aef455@oss.qualcomm.com> Date: Tue, 13 Jan 2026 15:43:08 +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 v2 2/2] arm64: dts: qcom: x1p42100-lenovo-thinkbook-16: add hdmi bridge with enable pin 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, Val Packett References: <20260103-tb16-hdmi-v2-0-92b0930fa82e@oldschoolsolutions.biz> <20260103-tb16-hdmi-v2-2-92b0930fa82e@oldschoolsolutions.biz> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260103-tb16-hdmi-v2-2-92b0930fa82e@oldschoolsolutions.biz> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-GUID: aPAoOI_DVQ1kaR67qRdyxMdWewYp-eZt X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMTEzMDEyNCBTYWx0ZWRfX9YuSjRlxyzna 5NlUzmS6AV3a8zmYB6nOOQDMbDs2RVZC7SBNb1IpplUcKwtTYUQX3xQzzY0g8bmGloBr48mIf9d ejLtF82fcz822fIssqoOaQBKIehNi+FF8+hAfFv+Mkd/uGKDqRnCAdCf08INa49bF6ztuQezdgk iNATcQiI3VSAOZfdrT7TxUaeDiGjuVHHGzJNjW1YwHSBL9904qio3r8/SivyGlicaOcj/9m2nLl K9QBhNp5YX20L9voXyWGZ3XsLy1Ae0Awi8nNmpwrqYIff7ZrQzAd65uoLSyT/qu2mhJ7cbVqgdJ yOh6nidacuNJy25WChOdA3tbEXLm3KIuP0osqggmOAvIo7/Lt6QAiCOq+Nkqwqb5RXgKNBK27tc Q76VAy2L6gK01/WpFYUKGwAeZFJFpxJutswcJdq87JrcH8Ft9J2YaDSvo/tg5y5hsBdVBIyNkeW vrD1LSO5XtMKroyLpUQ== X-Proofpoint-ORIG-GUID: aPAoOI_DVQ1kaR67qRdyxMdWewYp-eZt X-Authority-Analysis: v=2.4 cv=YdmwJgRf c=1 sm=1 tr=0 ts=69665a01 cx=c_pps a=HLyN3IcIa5EE8TELMZ618Q==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=vUbySO9Y5rIA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=gxl3bz0cAAAA:8 a=EUspDBNiAAAA:8 a=fxpkFqXb0DSoSc4RkP0A:9 a=QEXdDO2ut3YA:10 a=bTQJ7kPSJx9SKPbeHEYW:22 a=kiRiLd-pWN9FGgpmzFdl:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2026-01-13_03,2026-01-09_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 suspectscore=0 malwarescore=0 adultscore=0 lowpriorityscore=0 priorityscore=1501 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2512120000 definitions=main-2601130124 On 1/3/26 10:00 AM, Jens Glathe via B4 Relay wrote: > From: Jens Glathe > > Add TLMM 120 for hdmi bridge enable. > In general this is the same setup as on the T14s. Since its using simple-bridge > and also is Lenovo, we also use the same realtek,rtd2171 compatible. > The real chip identity is not known yet. The bridge is wired with un-swapped > lanes, though. > > Signed-off-by: Jens Glathe > --- [...] > .../boot/dts/qcom/x1p42100-lenovo-thinkbook-16.dts | 88 ++++++++++++++++++++++ > 1 file changed, 88 insertions(+) > > diff --git a/arch/arm64/boot/dts/qcom/x1p42100-lenovo-thinkbook-16.dts b/arch/arm64/boot/dts/qcom/x1p42100-lenovo-thinkbook-16.dts > index b4a40904f0a01b36ff2fc72e801a5fe7d6971e2a..1e5eb8c5dc988c3c4655f0019e53fc19e0884e4e 100644 > --- a/arch/arm64/boot/dts/qcom/x1p42100-lenovo-thinkbook-16.dts > +++ b/arch/arm64/boot/dts/qcom/x1p42100-lenovo-thinkbook-16.dts > @@ -78,6 +78,47 @@ camera { > vdd-supply = <&vreg_cam_5p0>; > }; > > + hdmi-bridge { > + compatible = "realtek,rtd2171"; Since we're not sure, a comment to draw attention to it would be neat Reviewed-by: Konrad Dybcio Konrad