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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-aec6c7d9941sm87211666b.56.2025.07.18.02.23.15 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 18 Jul 2025 02:23:17 -0700 (PDT) Message-ID: <17ea4f08-daf0-406c-8760-23a23417ec1f@oss.qualcomm.com> Date: Fri, 18 Jul 2025 11:23:14 +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 v3 5/5] arm64: dts: qcom: Add MST pixel streams for displayport To: Jessica Zhang , Abhinav Kumar , Dmitry Baryshkov , Sean Paul , Marijn Suijten , David Airlie , Simona Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Kuogee Hsieh , Abel Vesa , Bjorn Andersson , Michael Turquette , Stephen Boyd , Mahadevan , Krishna Manikandan , Konrad Dybcio , Rob Clark , Abhinav Kumar , Danila Tikhonov , cros-qcom-dts-watchers@chromium.org Cc: Abhinav Kumar , linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, Krzysztof Kozlowski , Yongxing Mou References: <20250717-dp_mst_bindings-v3-0-72ce08285703@oss.qualcomm.com> <20250717-dp_mst_bindings-v3-5-72ce08285703@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20250717-dp_mst_bindings-v3-5-72ce08285703@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Authority-Analysis: v=2.4 cv=Z5PsHGRA c=1 sm=1 tr=0 ts=687a1288 cx=c_pps a=EVbN6Ke/fEF3bsl7X48z0g==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=Wb1JkmetP80A:10 a=biz6BXDC6RXR6m6nPMoA:9 a=QEXdDO2ut3YA:10 a=a_PwQJl-kcHnX1M80qC6:22 X-Proofpoint-ORIG-GUID: LtG7l5Z4hgjhK7V2P5PxjzkFQDWMwbX1 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNzE4MDA3MiBTYWx0ZWRfX9Ct0KH2ifA+T 7hxd5xoUngQ7erxcw2CqGiQ1FSoe7yQWsBA/T2T9BdelEZnWOWrV+COEXtVFxDQnpTnSXEbTUTl gzCJLeeB148YVzb9w+9eNQMRhGz/6E/SHkguXxnzLticPqYz0h3fOAR5GtWS/RuyoGAOHcMr/Zr kFzkmbmpMf7tEJmtYkhuOuQDo1A0nEqBu08p2IhNsegpXfW1heoDB8ALJ947Hs+AgJjOT0193OJ qvK1ZdfGSXnNmKPpHeZiMXa4BJht5ooLfYFOqLwUF8D0Xoe+uIwKW7ggkcFQcY7yqrJjPvoso1a sW5eaR3iFJzKh69rASqw/YeyRp8h7Ghr0aHY1UJHQFDLv4twCPMbCSHv3y95bDFBLYLECXCje1n Kg4k0ilqIHz1ez/GiwowoVxQR1ewAZiuW8tmCdeERuOX2NgYYtf2NQdjaKFvBZAYeXakW8Sp X-Proofpoint-GUID: LtG7l5Z4hgjhK7V2P5PxjzkFQDWMwbX1 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-07-18_02,2025-07-17_02,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 mlxlogscore=577 suspectscore=0 spamscore=0 clxscore=1015 mlxscore=0 malwarescore=0 phishscore=0 lowpriorityscore=0 adultscore=0 priorityscore=1501 bulkscore=0 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2505280000 definitions=main-2507180072 On 7/18/25 1:28 AM, Jessica Zhang wrote: > The following chipsets support 2 total pixel streams: > - sa8775p (on mdss_dp1) > - sc8180x > - sc8280xp (mdss_dp0-2 only) > - sm8150 > - sm8350 I think 8250 can do 2 streams too, no? sdm845/sm7150 also have the clocks for it FWIW, but that doesn't necessarily mean they're consumed Konrad