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Tue, 04 Mar 2025 02:58:09 -0800 (PST) From: Abel Vesa Date: Tue, 04 Mar 2025 12:57:47 +0200 Subject: [PATCH v6 2/4] arm64: dts: qcom: x1e80100-crd: Enable external DisplayPort support Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250304-x1e80100-dts-crd-t14s-enable-typec-retimers-v6-2-e5a49fae4e94@linaro.org> References: <20250304-x1e80100-dts-crd-t14s-enable-typec-retimers-v6-0-e5a49fae4e94@linaro.org> In-Reply-To: <20250304-x1e80100-dts-crd-t14s-enable-typec-retimers-v6-0-e5a49fae4e94@linaro.org> To: Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: Johan Hovold , Dmitry Baryshkov , Rajendra Nayak , Sibi Sankar , Christophe JAILLET , Trilok Soni , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Abel Vesa , Konrad Dybcio , Johan Hovold X-Mailer: b4 0.15-dev-dedf8 X-Developer-Signature: v=1; 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a=openpgp; fpr=6AFF162D57F4223A8770EF5AF7BF214136F41FAE The X Elite CRD provides external DisplayPort on all 3 USB Type-C ports. Each one of this ports is connected to a dedicated DisplayPort controller. Due to support missing in the USB/DisplayPort combo PHY driver, the external DisplayPort is limited to 2 lanes. So enable all 3 remaining DisplayPort controllers and limit their data lanes number to 2. Reviewed-by: Konrad Dybcio Reviewed-by: Johan Hovold Tested-by: Johan Hovold Signed-off-by: Abel Vesa --- arch/arm64/boot/dts/qcom/x1-crd.dtsi | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/x1-crd.dtsi b/arch/arm64/boot/dts/qco= m/x1-crd.dtsi index 34e203fb7a4bfd781cf268429b3e4174e8d19bf9..53f329c320190afa263fb8d8028= 828022464fd99 100644 --- a/arch/arm64/boot/dts/qcom/x1-crd.dtsi +++ b/arch/arm64/boot/dts/qcom/x1-crd.dtsi @@ -1117,6 +1117,30 @@ &mdss { status =3D "okay"; }; =20 +&mdss_dp0 { + status =3D "okay"; +}; + +&mdss_dp0_out { + data-lanes =3D <0 1>; +}; + +&mdss_dp1 { + status =3D "okay"; +}; + +&mdss_dp1_out { + data-lanes =3D <0 1>; +}; + +&mdss_dp2 { + status =3D "okay"; +}; + +&mdss_dp2_out { + data-lanes =3D <0 1>; +}; + &mdss_dp3 { compatible =3D "qcom,x1e80100-dp"; /delete-property/ #sound-dai-cells; --=20 2.34.1