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([2a01:e0a:3d9:2080:a24a:bfda:f031:720d]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3a06d4be673sm2140220f8f.23.2025.04.24.06.52.14 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 24 Apr 2025 06:52:14 -0700 (PDT) Message-ID: Date: Thu, 24 Apr 2025 15:52:13 +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 From: neil.armstrong@linaro.org Reply-To: neil.armstrong@linaro.org Subject: Re: [PATCH RFC/WIP 4/4] arm64: dts: qcom: sm8750-mtp: Enable DisplayPort over USB To: Krzysztof Kozlowski , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: Jessica Zhang , Abhinav Kumar , Abel Vesa , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20250424-sm8750-display-dts-v1-0-6fb22ca95f38@linaro.org> <20250424-sm8750-display-dts-v1-4-6fb22ca95f38@linaro.org> Content-Language: en-US, fr Autocrypt: addr=neil.armstrong@linaro.org; keydata= xsBNBE1ZBs8BCAD78xVLsXPwV/2qQx2FaO/7mhWL0Qodw8UcQJnkrWmgTFRobtTWxuRx8WWP GTjuhvbleoQ5Cxjr+v+1ARGCH46MxFP5DwauzPekwJUD5QKZlaw/bURTLmS2id5wWi3lqVH4 BVF2WzvGyyeV1o4RTCYDnZ9VLLylJ9bneEaIs/7cjCEbipGGFlfIML3sfqnIvMAxIMZrvcl9 qPV2k+KQ7q+aXavU5W+yLNn7QtXUB530Zlk/d2ETgzQ5FLYYnUDAaRl+8JUTjc0CNOTpCeik 80TZcE6f8M76Xa6yU8VcNko94Ck7iB4vj70q76P/J7kt98hklrr85/3NU3oti3nrIHmHABEB AAHNKk5laWwgQXJtc3Ryb25nIDxuZWlsLmFybXN0cm9uZ0BsaW5hcm8ub3JnPsLAkQQTAQoA OwIbIwULCQgHAwUVCgkICwUWAgMBAAIeAQIXgBYhBInsPQWERiF0UPIoSBaat7Gkz/iuBQJk Q5wSAhkBAAoJEBaat7Gkz/iuyhMIANiD94qDtUTJRfEW6GwXmtKWwl/mvqQtaTtZID2dos04 YqBbshiJbejgVJjy+HODcNUIKBB3PSLaln4ltdsV73SBcwUNdzebfKspAQunCM22Mn6FBIxQ GizsMLcP/0FX4en9NaKGfK6ZdKK6kN1GR9YffMJd2P08EO8mHowmSRe/ExAODhAs9W7XXExw UNCY4pVJyRPpEhv373vvff60bHxc1k/FF9WaPscMt7hlkbFLUs85kHtQAmr8pV5Hy9ezsSRa GzJmiVclkPc2BY592IGBXRDQ38urXeM4nfhhvqA50b/nAEXc6FzqgXqDkEIwR66/Gbp0t3+r yQzpKRyQif3OwE0ETVkGzwEIALyKDN/OGURaHBVzwjgYq+ZtifvekdrSNl8TIDH8g1xicBYp QTbPn6bbSZbdvfeQPNCcD4/EhXZuhQXMcoJsQQQnO4vwVULmPGgtGf8PVc7dxKOeta+qUh6+ SRh3vIcAUFHDT3f/Zdspz+e2E0hPV2hiSvICLk11qO6cyJE13zeNFoeY3ggrKY+IzbFomIZY 4yG6xI99NIPEVE9lNBXBKIlewIyVlkOaYvJWSV+p5gdJXOvScNN1epm5YHmf9aE2ZjnqZGoM Mtsyw18YoX9BqMFInxqYQQ3j/HpVgTSvmo5ea5qQDDUaCsaTf8UeDcwYOtgI8iL4oHcsGtUX oUk33HEAEQEAAcLAXwQYAQIACQUCTVkGzwIbDAAKCRAWmrexpM/4rrXiB/sGbkQ6itMrAIfn M7IbRuiSZS1unlySUVYu3SD6YBYnNi3G5EpbwfBNuT3H8//rVvtOFK4OD8cRYkxXRQmTvqa3 3eDIHu/zr1HMKErm+2SD6PO9umRef8V82o2oaCLvf4WeIssFjwB0b6a12opuRP7yo3E3gTCS KmbUuLv1CtxKQF+fUV1cVaTPMyT25Od+RC1K+iOR0F54oUJvJeq7fUzbn/KdlhA8XPGzwGRy 4zcsPWvwnXgfe5tk680fEKZVwOZKIEuJC3v+/yZpQzDvGYJvbyix0lHnrCzq43WefRHI5XTT QbM0WUIBIcGmq38+OgUsMYu4NzLu7uZFAcmp6h8g Organization: Linaro In-Reply-To: <20250424-sm8750-display-dts-v1-4-6fb22ca95f38@linaro.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 24/04/2025 15:04, Krzysztof Kozlowski wrote: > Hook up DisplayPort parts over Type-C USB on MTP8750. > > Signed-off-by: Krzysztof Kozlowski > --- > arch/arm64/boot/dts/qcom/sm8750-mtp.dts | 8 ++++++++ > arch/arm64/boot/dts/qcom/sm8750.dtsi | 2 ++ > 2 files changed, 10 insertions(+) > > diff --git a/arch/arm64/boot/dts/qcom/sm8750-mtp.dts b/arch/arm64/boot/dts/qcom/sm8750-mtp.dts > index c3470e1daa6b7f31196645759be23fb168ce8eb7..69a54ac0f85d5ae20d005a09fbf8da7d769a9c2e 100644 > --- a/arch/arm64/boot/dts/qcom/sm8750-mtp.dts > +++ b/arch/arm64/boot/dts/qcom/sm8750-mtp.dts > @@ -910,6 +910,14 @@ &mdss { > status = "okay"; > }; > > +&mdss_dp0 { > + status = "okay"; > +}; > + > +&mdss_dp0_out { > + data-lanes = <0 1>; > +}; > + > &mdss_dsi0 { > vdda-supply = <&vreg_l3g_1p2>; > > diff --git a/arch/arm64/boot/dts/qcom/sm8750.dtsi b/arch/arm64/boot/dts/qcom/sm8750.dtsi > index 753b069cab1de636a3b1108747f300bec0f33980..b20fc5b5bdfab598fc7b9be53eef96cc16bc5985 100644 > --- a/arch/arm64/boot/dts/qcom/sm8750.dtsi > +++ b/arch/arm64/boot/dts/qcom/sm8750.dtsi > @@ -2965,6 +2965,7 @@ port@1 { > reg = <1>; > > mdss_dp0_out: endpoint { > + remote-endpoint = <&usb_dp_qmpphy_dp_in>; > }; > }; > }; > @@ -3064,6 +3065,7 @@ port@2 { > reg = <2>; > > usb_dp_qmpphy_dp_in: endpoint { > + remote-endpoint = <&mdss_dp0_out>; > }; > }; > }; > Reviewed-by: Neil Armstrong