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[103.229.16.4]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-248e3e0b73csm2558005ad.132.2025.08.27.21.51.06 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 27 Aug 2025 21:51:13 -0700 (PDT) Message-ID: <8918feef-219e-4e69-8901-367189f5066d@oss.qualcomm.com> Date: Thu, 28 Aug 2025 12:51:03 +0800 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 01/14] dt-bindings: display/msm: dp-controller: Add sm6150 To: Dmitry Baryshkov Cc: Rob Clark , Dmitry Baryshkov , Abhinav Kumar , Jessica Zhang , Sean Paul , Marijn Suijten , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Kuogee Hsieh , Vinod Koul , Kishon Vijay Abraham I , Philipp Zabel , 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-phy@lists.infradead.org, fange.zhang@oss.qualcomm.com, yongxing.mou@oss.qualcomm.com, tingwei.zhang@oss.qualcomm.com, Bjorn Andersson , Konrad Dybcio , quic_lliu6@quicinc.com References: <20250820-add-displayport-support-for-qcs615-platform-v3-0-a43bd25ec39c@oss.qualcomm.com> <20250820-add-displayport-support-for-qcs615-platform-v3-1-a43bd25ec39c@oss.qualcomm.com> <75ra2ofecqu6tid6kr4hnyuztpl6jjaq2ksyquafyajhq2sa4d@4tkggrdqky7y> From: Xiangxu Yin In-Reply-To: <75ra2ofecqu6tid6kr4hnyuztpl6jjaq2ksyquafyajhq2sa4d@4tkggrdqky7y> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Proofpoint-GUID: 7tQnzZ_vLUC1H-6oVyAVRNmvglczO3yT X-Proofpoint-ORIG-GUID: 7tQnzZ_vLUC1H-6oVyAVRNmvglczO3yT X-Authority-Analysis: v=2.4 cv=JJo7s9Kb c=1 sm=1 tr=0 ts=68afe043 cx=c_pps a=RP+M6JBNLl+fLTcSJhASfg==:117 a=nuhDOHQX5FNHPW3J6Bj6AA==:17 a=IkcTkHD0fZMA:10 a=2OwXVqhp2XgA:10 a=EUspDBNiAAAA:8 a=RRKZIDRkA7xEvhLoEfwA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=iS9zxrgQBfv6-_F4QbHw:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwODIzMDAzMSBTYWx0ZWRfX8LZILwNkFt7Y gehruuLE+yvy5PYUedhh2F4dABAOzI6WBoh+7SJFhxVW1aN5LYWXbMNfAZQhGX8hYjLLBl2DTas 00+w+pqJzwulvlSONBHvJvkJUSILHIGJgdquAWu7yjM9+a5m6Rv024ZzQPXWxenYX0XmcPglTJJ oAaes7PgCyO/4IGqpxDmcnKcE8qI/89azbXpvsusuTiXDmBvWyYjhe45pZGNTXspiOFt8fODb/8 4JDPI2tKvst/QJdfbHMwJvMt+gd3vIlMqJafl/CCj5xGdiXa5NGmRwDLbSti8AmmdTxuh64ZHqO jv+PFMmX1JZ1WNRWUU9AbCQ4StPX9PEQZZ22m+muSnfAErMJTrbiHTwoZB4obNrzjcA/D9om4F6 aQtS6AVs 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=2025-08-28_01,2025-08-26_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 adultscore=0 bulkscore=0 spamscore=0 impostorscore=0 malwarescore=0 clxscore=1015 priorityscore=1501 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2507300000 definitions=main-2508230031 On 8/20/2025 6:18 PM, Dmitry Baryshkov wrote: > On Wed, Aug 20, 2025 at 05:34:43PM +0800, Xiangxu Yin wrote: >> Add DisplayPort controller for Qualcomm SM6150 SoC. >> While SM6150 currently shares the same configuration as SC7180, >> its hardware capabilities differ. Explicitly listing it ensures clarity >> and avoids potential issues if SC7180 support evolves in the future. > I assume, it has no MST support. Am I right? >From sm6150 ipcat, I found MST-related registers and pixel1 clk definition. According to the hardware spec, MST is supported, but due to limitations in clock and pipe resources,  the maximum concurrency capability is restricted to 1920x1200@60 + 1280x720@60. >> Signed-off-by: Xiangxu Yin >> --- >> Documentation/devicetree/bindings/display/msm/dp-controller.yaml | 1 + >> 1 file changed, 1 insertion(+) >> >> diff --git a/Documentation/devicetree/bindings/display/msm/dp-controller.yaml b/Documentation/devicetree/bindings/display/msm/dp-controller.yaml >> index 9923b065323bbab99de5079b674a0317f3074373..996d0132e084d401db85014a1a4e445d00d62ed8 100644 >> --- a/Documentation/devicetree/bindings/display/msm/dp-controller.yaml >> +++ b/Documentation/devicetree/bindings/display/msm/dp-controller.yaml >> @@ -27,6 +27,7 @@ properties: >> - qcom,sc8280xp-dp >> - qcom,sc8280xp-edp >> - qcom,sdm845-dp >> + - qcom,sm6150-dp >> - qcom,sm8350-dp >> - qcom,sm8650-dp >> - items: >> >> -- >> 2.34.1 >>