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[129.46.232.65]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-90a8179e4fasm9733956d6.2.2026.08.13.00.45.03 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 13 Aug 2026 00:45:11 -0700 (PDT) Message-ID: <4fff475e-dcce-4a1a-aa06-25d0694bd3eb@oss.qualcomm.com> Date: Thu, 13 Aug 2026 15:45:03 +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 1/3] dt-bindings: display: msm: Allow two MDSS power domains To: Dmitry Baryshkov Cc: 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 , linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260720-msm_gdsc2-v1-0-4687866d6cb0@oss.qualcomm.com> <20260720-msm_gdsc2-v1-1-4687866d6cb0@oss.qualcomm.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-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODEzMDA1MiBTYWx0ZWRfX8P9NUgjER5yZ 5YWapOvfZI8A+Gl5LexK1eGx4fpzrR97gUhOo9craNcbFPSIjyXdguoCbcExsDh7BGbMDGKa1rj BoUqcGGRDUQaJ5nWKMKaftLCWfJnDu6ceuhpBclJ8jMo/3CrwDqsVxFpwRmKswlUrtbYHSxZXye k2kGZ2n04Q+D3oAawez6tydvdXtBIrbcPtYbULCWmiEef7DMCwA0wUDFSFTZHlYjFpHpeK22/1Q CDzyISl4zMbqmgCTzszT7weH3TMQs3k7ZWqYufUySXdyNjSg0INMOJTdvsOLm6FD3fq6ZKwJk5z i5jddYq9/uSdF1LgtKqVWiIqXB0JziA7OqBJX5WzO6dFJy4kOQ7vYN7rZXiDtvoT6HONNmiSLyj VpPRrZQJcf/iTgH+ySSnFI1+Sq40ArsSDh3xGKzc0ABjlSCzXPu00HCwxGtARrZTfhkMbXIkD/i P7zs4EuhnHbLvcqX/pQ== X-Proofpoint-Spam-Info: AW1haW4tMjYwODEzMDA1MiBTYWx0ZWRfX/7qqpvR6faAR 6Lkn6M18IJR2QrSvKNrEmZ5GrSb7/COOnAM1Z/CkKqxC946BdeucgHjgQ/vpoQuwKcnYfETUB3i Mv17Wf/49A0kTVb3bSyZkIh7hSoZgzA= X-Proofpoint-ORIG-GUID: RXxJnnF6rtBWkRK7qg3pPeOKOYCkeNds X-Authority-Analysis: v=2.4 cv=X5Vi7mTe c=1 sm=1 tr=0 ts=6a7d7609 cx=c_pps a=wEM5vcRIz55oU/E2lInRtA==:117 a=C3Dk8TwHQYyIj7nOf9RCJw==:17 a=IkcTkHD0fZMA:10 a=Sv0fKeRqtYgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=rJkE3RaqiGZ5pbrm-msn:22 a=EUspDBNiAAAA:8 a=0b-XH3JjkyDtS5VtSh0A:9 a=QEXdDO2ut3YA:10 a=OIgjcC2v60KrkQgK7BGD:22 X-Proofpoint-GUID: RXxJnnF6rtBWkRK7qg3pPeOKOYCkeNds X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-08-13_02,2026-08-12_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 clxscore=1015 impostorscore=0 bulkscore=0 adultscore=0 priorityscore=1501 suspectscore=0 malwarescore=0 phishscore=0 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2608130052 On 7/22/2026 2:18 AM, Dmitry Baryshkov wrote: > On Mon, Jul 20, 2026 at 04:43:53PM +0800, Yongxing Mou wrote: >> 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. > > I see that INT2_GDSC is defined since SC8280XP / SM8450. Does it need to > be enabled on all those platforms? > No, INT2_GDSC was introduced starting from Kaanapali for SSPP1 (VIG2/VIG3/DMA5). Prior to that, it was not actually used and essentially served as a placeholder. Sorry for the confusion. Glymur does not require INT2_GDSC to be enabled either. I previously assumed it behaved the same way as Kaanapali, but that assumption was incorrect. >> >> 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(-) >> >