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[129.46.232.65]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-9077871f650sm87061716d6.45.2026.07.20.01.44.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 20 Jul 2026 01:44:07 -0700 (PDT) From: Yongxing Mou Subject: [PATCH 0/3] drm/msm: Enable dual MDSS power domains Date: Mon, 20 Jul 2026 16:43:52 +0800 Message-Id: <20260720-msm_gdsc2-v1-0-4687866d6cb0@oss.qualcomm.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-B4-Tracking: v=1; b=H4sIAMjfXWoC/yXMyw6DIBCF4Vcxsy4JDgriqzSm4TJYFmgF2zQxv ntJXX4nJ/8BhXKkAmNzQKZPLHFdKtpbA+5plplY9NWAHCVXyFkq6TH74pA5q1Fwjsqgh/p/ZQr x+2/dp8uZtndN7tcI1hRibk0p7mNjiZQUvg+ia63WLnQKTSDb88F3ehiCRCOdaWE6zx/CGvvLp wAAAA== X-Change-ID: 20260720-msm_gdsc2-cb9230027a2d 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=1345; i=yongxing.mou@oss.qualcomm.com; s=20250910; h=from:subject:message-id; bh=GzRBa/CpmHvPCWeBD/1K7jRI5LN32M9YssWSaorgAWs=; b=mMBKRBvO3BukDTilK1sJd4kFQW7fRML5r0v5GGbLwKmyKF6h8k9wsswegPqFaz+QRfADzsnTW 0+OEUfir98yCUc+417vn0duLDpM1dydRqJDtD3koxo+kaE1QX3FP42+ X-Developer-Key: i=yongxing.mou@oss.qualcomm.com; a=ed25519; pk=rAy5J1eP+V7OXqH5FJ7ngMCtUrnHhut30ZTldOj52UM= X-Proofpoint-ORIG-GUID: 4rk6NurEMmoD1SlPG5tjbeGpOSk8Nab5 X-Proofpoint-Spam-Info: AW1haW4tMjYwNzIwMDA5NiBTYWx0ZWRfX1QrWP8Q1E3kj OpX2bH4k4N+trXVD2VkUVb7oq0jk1HIsdGqHOuQw1cb+WHd0Pacnc7FsOUmM81cojPipxXQ6hcp vyaktRCn5aAB48zc4WN0JHjBjZmeO2Y= X-Authority-Analysis: v=2.4 cv=G58s1dk5 c=1 sm=1 tr=0 ts=6a5ddfd8 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=_glEPmIy2e8OvE2BGh3C:22 a=EUspDBNiAAAA:8 a=zZWzZaWlDQgj5UJjSeUA:9 a=QEXdDO2ut3YA:10 a=1HOtulTD9v-eNWfpl4qZ:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzIwMDA5NiBTYWx0ZWRfX9njfBlo3XyRY HcIMIUfe0aVeNKgqlBhwiQXoGL5UMaPl2y2pB7fxMwr3zrS8YiJzCyW1M1UaPsN20iC76okWAGn 8gVn9y8K/QHzXh49k72B0yHZnGh3TdGqMqN7xNiCh6TIOco8ttfwQ+fG+HcXzeDC9b1vXG6okRC 063JKjUlr+vFTHOMPTeE1CSFdVYiG57GpBWs+LNSziP3wBnF1jltNTmQda0DvDCiKlK9OTmJPXb b0bc8wxNr32CyudeNoJDTJGBlSWABnL9whEl8bn/jRGu1ErDhZHBZVx3ywukSF3K+Sd+R7OLOfz bIO+Nt+5jTH5I7xC4itZ11AB2Q3U3DcGsMcmAcA1WIQl0IVa2WAUrlieKZoKOU2p2pD36zaXZvO Z7I7i70I5p1AXc72nB9HIxhJPlNW7g1uPyN+4zoCdps6zViukKCM5ZvN42hdSLaNb7A/TjB60Un W9dMMRVTfgdywDcLm5g== X-Proofpoint-GUID: 4rk6NurEMmoD1SlPG5tjbeGpOSk8Nab5 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 priorityscore=1501 impostorscore=0 clxscore=1011 spamscore=0 lowpriorityscore=0 malwarescore=0 adultscore=0 phishscore=0 bulkscore=0 suspectscore=0 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. The current MDSS implementation only manages the primary display power domain. SSPPs backed by INT2_GDSC therefore remain inaccessible. Add dual power-domain support to MDSS, update the DT bindings to describe both domains, and add INT2_GDSC to the Kaanapali and Glymur MDSS nodes. Signed-off-by: Yongxing Mou --- Yongxing Mou (3): dt-bindings: display: msm: Allow two MDSS power domains drm/msm/mdss: Enable INT2_GDSC alongside CORE_GDSC arm64: dts: qcom: Add INT2_GDSC to MDSS on Kaanapali and Glymur .../bindings/display/msm/mdss-common.yaml | 3 +- .../bindings/display/msm/qcom,glymur-mdss.yaml | 13 +++++- .../bindings/display/msm/qcom,kaanapali-mdss.yaml | 13 +++++- arch/arm64/boot/dts/qcom/glymur.dtsi | 4 +- arch/arm64/boot/dts/qcom/kaanapali.dtsi | 4 +- drivers/gpu/drm/msm/msm_mdss.c | 53 +++++++++++++++++++++- 6 files changed, 84 insertions(+), 6 deletions(-) --- base-commit: bee763d5f341b99cf472afeb508d4988f62a6ca1 change-id: 20260720-msm_gdsc2-cb9230027a2d Best regards, -- Yongxing Mou