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[129.46.232.65]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-9077871f650sm87061716d6.45.2026.07.20.01.44.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 20 Jul 2026 01:44:14 -0700 (PDT) From: Yongxing Mou Date: Mon, 20 Jul 2026 16:43:53 +0800 Subject: [PATCH 1/3] dt-bindings: display: msm: Allow two MDSS power domains Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260720-msm_gdsc2-v1-1-4687866d6cb0@oss.qualcomm.com> References: <20260720-msm_gdsc2-v1-0-4687866d6cb0@oss.qualcomm.com> In-Reply-To: <20260720-msm_gdsc2-v1-0-4687866d6cb0@oss.qualcomm.com> To: Rob Clark , Dmitry Baryshkov , Abhinav Kumar , Jessica Zhang , Sean Paul , Marijn Suijten , David Airlie , Simona Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Krishna Manikandan , Abel Vesa , Yuanjie Yang , Bjorn Andersson , Konrad Dybcio Cc: linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Yongxing Mou X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1784537040; l=3201; i=yongxing.mou@oss.qualcomm.com; s=20250910; h=from:subject:message-id; bh=/6L2ekPpAxec/7uyCjbq9UCoVdswxCOmDhBbBr2sCa8=; b=KY5Qshg6p+4uwwzypEcbJv1/JWBhvrQpn04OPdUBO5ESYEw8Zf/tkYyK8jZI9/2454dUilHaz khtp7I3splQAcXdU7lFyliJc/KznWeZhOgii0k3H0vNP/kgfgt/0nn9 X-Developer-Key: i=yongxing.mou@oss.qualcomm.com; a=ed25519; pk=rAy5J1eP+V7OXqH5FJ7ngMCtUrnHhut30ZTldOj52UM= X-Proofpoint-Spam-Info: AW1haW4tMjYwNzIwMDA5NiBTYWx0ZWRfX5Ig4U65mnX9z TGx6nAhIna+hh4ZwFLJc+OARNCIHt6xFHecCKIWxZyOjXSxqOBLErAUrqEEaN63zGN1mNlwWnYi eIUuU7rE1n7VZ+O7CwhYFMSTae2A6Lk= X-Proofpoint-GUID: NmO4XsdzMWS1exZAkNE2F7SFB1VY4vtm X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzIwMDA5NiBTYWx0ZWRfXxzQrIN4mhJtg gbOfiyheG4uJ+qMrsbmGcg8OoC1S5oGGa12nHNgW4XvFujS0knX7ifA8AC+JPnGXmJds/obCxsv Aug/wqEO/cE0Na5rY1178RdKU5bgtLVICf3HtZ3EX4chKOku0Wcw36eviUnLM30xBAVSJnBHTGk m2OBv9gyTDeJ+bxDtl5GeT9PS/budm9foOrtxjt7aR6+gblBmTLmQ4qUKnRK+JQOfeZbSMix93F nbxz6MnOqO2SJdaknMik+XhI/qfXvpS1egWexwhvXK6oklCLNdAt3fgtHluyMtPBr0LRZXh+sAc mbArQZsn8ne0REpBbmPQ78QHISclrxD1Go0MF8DOGaijSd0MCfYJ5VKoBrcl9XeF4VVahSsU8gR 8wjvHic1T+jWdaJUk5BBQsTd7SVfAC3WBXrIYVLE2MrhPaT4CV7zIiwAMbIn/mOFD0ESRzQeOlf Xun2QnA3oXKUZRhhcOw== X-Authority-Analysis: v=2.4 cv=T5K8ifKQ c=1 sm=1 tr=0 ts=6a5ddfe0 cx=c_pps a=UgVkIMxJMSkC9lv97toC5g==:117 a=C3Dk8TwHQYyIj7nOf9RCJw==:17 a=IkcTkHD0fZMA:10 a=RAioF0-LDSMA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yx91gb_oNiZeI1HMLzn7:22 a=EUspDBNiAAAA:8 a=0Rkz6-gpJEd4cPyUuX0A:9 a=QEXdDO2ut3YA:10 a=1HOtulTD9v-eNWfpl4qZ:22 X-Proofpoint-ORIG-GUID: NmO4XsdzMWS1exZAkNE2F7SFB1VY4vtm X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-07-20_01,2026-07-17_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 malwarescore=0 impostorscore=0 bulkscore=0 adultscore=0 suspectscore=0 lowpriorityscore=0 spamscore=0 clxscore=1015 priorityscore=1501 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607200096 Kaanapali (SM8750) and Glymur use two display power domains. CORE_GDSC powers the main display hardware while INT2_GDSC powers a subset of SSPP blocks. Allow the MDSS bindings to describe both power domains and their corresponding power-domain-names values. Signed-off-by: Yongxing Mou --- .../devicetree/bindings/display/msm/mdss-common.yaml | 3 ++- .../devicetree/bindings/display/msm/qcom,glymur-mdss.yaml | 13 ++++++++++++- .../bindings/display/msm/qcom,kaanapali-mdss.yaml | 13 ++++++++++++- 3 files changed, 26 insertions(+), 3 deletions(-) diff --git a/Documentation/devicetree/bindings/display/msm/mdss-common.yaml b/Documentation/devicetree/bindings/display/msm/mdss-common.yaml index c6305a6e0334..c0b650ffd9ef 100644 --- a/Documentation/devicetree/bindings/display/msm/mdss-common.yaml +++ b/Documentation/devicetree/bindings/display/msm/mdss-common.yaml @@ -31,7 +31,8 @@ properties: const: mdss power-domains: - maxItems: 1 + minItems: 1 + maxItems: 2 clocks: minItems: 2 diff --git a/Documentation/devicetree/bindings/display/msm/qcom,glymur-mdss.yaml b/Documentation/devicetree/bindings/display/msm/qcom,glymur-mdss.yaml index 64dde43373ac..685bedb26a12 100644 --- a/Documentation/devicetree/bindings/display/msm/qcom,glymur-mdss.yaml +++ b/Documentation/devicetree/bindings/display/msm/qcom,glymur-mdss.yaml @@ -38,6 +38,16 @@ properties: - const: mdp0-mem - const: cpu-cfg + power-domains: + items: + - description: MDSS core GDSC power domain + - description: MDSS INT2 GDSC power domain + + power-domain-names: + items: + - const: core + - const: int2 + patternProperties: "^display-controller@[0-9a-f]+$": type: object @@ -95,7 +105,8 @@ examples: resets = <&disp_cc_mdss_core_bcr>; - power-domains = <&mdss_gdsc>; + power-domains = <&mdss_gdsc>, <&mdss_int2_gdsc>; + power-domain-names = "core", "int2"; iommus = <&apps_smmu 0x1c00 0x2>; diff --git a/Documentation/devicetree/bindings/display/msm/qcom,kaanapali-mdss.yaml b/Documentation/devicetree/bindings/display/msm/qcom,kaanapali-mdss.yaml index 9f935defd6b1..088010f464c3 100644 --- a/Documentation/devicetree/bindings/display/msm/qcom,kaanapali-mdss.yaml +++ b/Documentation/devicetree/bindings/display/msm/qcom,kaanapali-mdss.yaml @@ -40,6 +40,16 @@ properties: - const: mdp0-mem - const: cpu-cfg + power-domains: + items: + - description: MDSS core GDSC power domain + - description: MDSS INT2 GDSC power domain + + power-domain-names: + items: + - const: core + - const: int2 + patternProperties: "^display-controller@[0-9a-f]+$": type: object @@ -89,7 +99,8 @@ examples: <&disp_cc_mdss_ahb_swi_clk>; resets = <&disp_cc_mdss_core_bcr>; - power-domains = <&mdss_gdsc>; + power-domains = <&mdss_gdsc>, <&mdss_int2_gdsc>; + power-domain-names = "core", "int2"; iommus = <&apps_smmu 0x800 0x2>; -- 2.43.0