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Fri, 01 Aug 2025 02:46:00 +0000 (GMT) Received: from nalasex01c.na.qualcomm.com (nalasex01c.na.qualcomm.com [10.47.97.35]) by NALASPPMTA05.qualcomm.com (8.18.1.2/8.18.1.2) with ESMTPS id 5712k0IC004874 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 1 Aug 2025 02:46:00 GMT Received: from [10.64.68.119] (10.80.80.8) by nalasex01c.na.qualcomm.com (10.47.97.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1748.10; Thu, 31 Jul 2025 19:45:53 -0700 Message-ID: <76b1cb9b-c90f-44bf-9d5f-67dcbb93de58@quicinc.com> Date: Fri, 1 Aug 2025 10:45:49 +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 v5 2/5] dt-bindings: display/msm: dp-controller: document QCS8300 compatible 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 , "Neil Armstrong" , Kuogee Hsieh , Bjorn Andersson , "Konrad Dybcio" , , , , , References: <20250730-mdssdt_qcs8300-v5-0-bc8ea35bbed6@quicinc.com> <20250730-mdssdt_qcs8300-v5-2-bc8ea35bbed6@quicinc.com> Content-Language: en-US From: Yongxing Mou In-Reply-To: Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nalasex01c.na.qualcomm.com (10.47.97.35) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwODAxMDAyMCBTYWx0ZWRfX/AXFTmMj/jwN 99dG9jxsSwoeNapsYwwh0U8OqpN630icqHzOc4wAc4T00xU1C0LvxURD9PY527RarfZGD6rVelC VJn7FDVF2/UqA2yaYE0uWc8///nDG2EcBd+BQEkoHUqRpDphlk/MmrbejPjEjXBaY9D22Pl02rO IBCAvtVB0ETGBj8Ray5UpBMrve5VV3J7kOHSJ+QLlJHvsA6cHlUd6CkcL/1tem4fgkDvjhhndTd a5fy93AmgiSfCDwMlzzQpH561iGCCXzc5yMgD7I1nJ/uC3CElYXLetzlXyikI+j+S5FY+e2pUVy dQEj2a/S0IyW5FbcTwzk8RVns9TM6QjtjBXWze26bDQ23QiExU6XLc9L2rP7jGgpTtJ8DicM/X1 Q9g5iY0hTePcNBv6fm7lXq/Kdmw8K5ws2VsZHQiFN8EUefvhfqu8zs63Uy2XUiccLCVWmOAI X-Proofpoint-ORIG-GUID: -dEovQpLLwY9D2axQ2nY9DHSLSN2nXLP X-Authority-Analysis: v=2.4 cv=ea89f6EH c=1 sm=1 tr=0 ts=688c2a68 cx=c_pps a=ouPCqIW2jiPt+lZRy3xVPw==:117 a=ouPCqIW2jiPt+lZRy3xVPw==:17 a=GEpy-HfZoHoA:10 a=IkcTkHD0fZMA:10 a=2OwXVqhp2XgA:10 a=COk6AnOGAAAA:8 a=6lSX7tRiu8Wn4JZBy2cA:9 a=QEXdDO2ut3YA:10 a=TjNXssC_j7lpFel5tvFf:22 X-Proofpoint-GUID: -dEovQpLLwY9D2axQ2nY9DHSLSN2nXLP 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=2025-07-31_04,2025-07-31_03,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 priorityscore=1501 impostorscore=0 lowpriorityscore=0 phishscore=0 malwarescore=0 suspectscore=0 bulkscore=0 adultscore=0 clxscore=1015 spamscore=0 mlxlogscore=999 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2505280000 definitions=main-2508010020 On 2025/7/31 2:04, Dmitry Baryshkov wrote: > On Wed, Jul 30, 2025 at 05:42:27PM +0800, Yongxing Mou wrote: >> Add compatible string for the DisplayPort controller found on the >> Qualcomm QCS8300 SoC, which uses the same DPU as the SA8775P. While >> DP0 supports 4 MST streams, DP1 has been removed at the silicon level, >> so SA8775P/SM8650 cannot be used as fallback compatibles. > > "It uses the same DPU as SA8775P, but we can not use SA8775P's DP > compatible". There is some logic issue there. Please rewrite to speak > only about DP. > > Moreover, removing of DP1 should not affect DP0 being compatible or > incompatible with other platforms. > >> >> Signed-off-by: Yongxing Mou >> --- >> Documentation/devicetree/bindings/display/msm/dp-controller.yaml | 2 ++ >> 1 file changed, 2 insertions(+) >> >> diff --git a/Documentation/devicetree/bindings/display/msm/dp-controller.yaml b/Documentation/devicetree/bindings/display/msm/dp-controller.yaml >> index 2893f097df826a5f941fbb754fb4a96a1e410a70..f5930f29c91ec95e9182c7b8ee83c0549c6657cc 100644 >> --- a/Documentation/devicetree/bindings/display/msm/dp-controller.yaml >> +++ b/Documentation/devicetree/bindings/display/msm/dp-controller.yaml >> @@ -18,6 +18,7 @@ properties: >> compatible: >> oneOf: >> - enum: >> + - qcom,qcs8300-dp >> - qcom,sa8775p-dp >> - qcom,sc7180-dp >> - qcom,sc7280-dp >> @@ -186,6 +187,7 @@ allOf: >> compatible: >> contains: >> enum: >> + - qcom,qcs8300-dp >> - qcom,sa8775p-dp >> - qcom,sc7280-dp >> - qcom,sc8180x-dp >> >> -- >> 2.34.1 >> > Okay, will update it in next version. thanks~