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[103.229.16.4]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-29498e429d9sm100614015ad.100.2025.10.27.22.16.37 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 27 Oct 2025 22:16:43 -0700 (PDT) Message-ID: Date: Tue, 28 Oct 2025 13:16:36 +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 v6 1/4] dt-bindings: display: msm: Add SM6150 DisplayPort controller To: Bjorn Andersson 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 , Konrad Dybcio , linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, fange.zhang@oss.qualcomm.com, yongxing.mou@oss.qualcomm.com, li.liu@oss.qualcomm.com References: <20251024-add-displayport-support-to-qcs615-devicetree-v6-0-c4316975dd0e@oss.qualcomm.com> <20251024-add-displayport-support-to-qcs615-devicetree-v6-1-c4316975dd0e@oss.qualcomm.com> From: Xiangxu Yin In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMDI4MDA0NCBTYWx0ZWRfX8+en2TMIpIDo 60Vtch/8dVV3O8iafuKNonKx6yPwykgDVJ8bm8p1wGF2cnZ4ncQ0B7WSVpGYUB4moQbLjLojeIs aubB83GlmG/k/muMfrXttr+8VWmNj03YrzGXKfpqtkzGlWsyGIGRq40/CtYiIJQAEM48FVfpL71 +bZJtkfVZTimTNurwyiQTiCYebku1Mg4JDGhDcwVEq7ngTLzKUuJE1QDfNEH1ojcLjbvkiyHYhU rHKkItPltoXV3rAqNesd36kBtMtCdscAqbX2JqRvmNnO8dihiI0JxX66d8hnGBwS3TLP33TP9Lz 7v5kcqw2pAhV1kwlU2ro/Uky/XDUf3CBd05/HYMb64n/cORTd5LMaIK7U1zAw/abnTmGGOM+qoQ rua4sm36Zyv+d4pOHu7MWs9A66jWjQ== X-Proofpoint-ORIG-GUID: lKu9CYLkhQs0maeQbnQUBtfJOY7yJz2K X-Authority-Analysis: v=2.4 cv=U9WfzOru c=1 sm=1 tr=0 ts=690051bd cx=c_pps a=RP+M6JBNLl+fLTcSJhASfg==:117 a=nuhDOHQX5FNHPW3J6Bj6AA==:17 a=IkcTkHD0fZMA:10 a=x6icFKpwvdMA:10 a=VkNPw1HP01LnGYTKEx00:22 a=EUspDBNiAAAA:8 a=qjA4-Y8jdfHfWDHiyvAA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=iS9zxrgQBfv6-_F4QbHw:22 X-Proofpoint-GUID: lKu9CYLkhQs0maeQbnQUBtfJOY7yJz2K X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-10-28_02,2025-10-22_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 impostorscore=0 bulkscore=0 clxscore=1015 malwarescore=0 lowpriorityscore=0 priorityscore=1501 spamscore=0 suspectscore=0 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2510020000 definitions=main-2510280044 On 10/28/2025 2:54 AM, Bjorn Andersson wrote: > On Fri, Oct 24, 2025 at 01:21:01PM +0800, Xiangxu Yin via B4 Relay wrote: >> From: Xiangxu Yin >> >> SM6150 uses the same DisplayPort controller as SM8150, which is already >> compatible with SM8350. Add the SM6150-specific compatible string and >> update the binding example accordingly. >> >> Signed-off-by: Xiangxu Yin >> --- >> .../devicetree/bindings/display/msm/qcom,sm6150-mdss.yaml | 10 ++++++++++ >> 1 file changed, 10 insertions(+) >> >> diff --git a/Documentation/devicetree/bindings/display/msm/qcom,sm6150-mdss.yaml b/Documentation/devicetree/bindings/display/msm/qcom,sm6150-mdss.yaml >> index 9ac24f99d3ada1c197c9654dc9babebccae972ed..ba0dea2edea98cee0826cf38b3f33361666e004a 100644 >> --- a/Documentation/devicetree/bindings/display/msm/qcom,sm6150-mdss.yaml >> +++ b/Documentation/devicetree/bindings/display/msm/qcom,sm6150-mdss.yaml >> @@ -51,6 +51,16 @@ patternProperties: >> compatible: >> const: qcom,sm6150-dpu >> >> + "^displayport-controller@[0-9a-f]+$": >> + type: object >> + additionalProperties: true >> + properties: >> + compatible: >> + items: >> + - const: qcom,sm6150-dp >> + - const: qcom,sm8150-dp > Perhaps I'm missing something, but if sm6150-dp is the same controller > as sm8150-dp, which is the same controller as sm8350-dp...doesn't that > imply that sm6150-dp is the same as sm8350-dp and we could not mention > the sm8150-dp here? > > Regards, > Bjorn I have discussed this with Dmitry in message-id  <20250916-add-dp-controller-support-for-sm6150-v3-1-dd60ebbd101e@oss.qualcomm.com> SM6150 uses the same controller IP as SM8150 and should fall back to sm8350 for consistency. And when running CHECK_DTBS, I encountered DTS compatible warnings, which is why all three compatibles are listed. >> + - const: qcom,sm8350-dp >> + >> "^dsi@[0-9a-f]+$": >> type: object >> additionalProperties: true >> >> -- >> 2.34.1 >> >>