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[129.46.232.65]) by smtp.gmail.com with ESMTPSA id af79cd13be357-9479e7e3c34sm626765785a.36.2026.11.11.19.02.14 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 11 Nov 2026 19:02:22 -0800 (PST) Message-ID: Date: Thu, 12 Nov 2026 11:02:12 +0800 X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v5 2/3] drm/msm/dpu: Attach CORE and INT2 power domains on Kaanapali To: Krzysztof Kozlowski 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, Dmitry Baryshkov , Joonhoe Kim <26rote@gmail.com> References: <20261109-msm_gdsc2-v5-0-4a3159b5e4b8@oss.qualcomm.com> <20261109-msm_gdsc2-v5-2-4a3159b5e4b8@oss.qualcomm.com> <20261109-industrious-impetuous-slug-a8e4ce@quoll> Content-Language: en-US From: Yongxing Mou In-Reply-To: <20261109-industrious-impetuous-slug-a8e4ce@quoll> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Proofpoint-ORIG-GUID: bZt1m5Hlu_VhMzAt3gUrj1wfnxEUknS3 X-Authority-Analysis: v=2.4 cv=OYANnRTY c=1 sm=1 tr=0 ts=6af52c40 cx=c_pps a=qKBjSQ1v91RyAK45QCPf5w==:117 a=C3Dk8TwHQYyIj7nOf9RCJw==:17 a=IkcTkHD0fZMA:10 a=zJRp6_cAMcgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yx91gb_oNiZeI1HMLzn7:22 a=EUspDBNiAAAA:8 a=pGLkceISAAAA:8 a=Exsngp9zyEbSqwYxnZQA:9 a=QEXdDO2ut3YA:10 a=NFOGd7dJGGMPyQGDc5-O:22 X-Proofpoint-GUID: bZt1m5Hlu_VhMzAt3gUrj1wfnxEUknS3 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMTEyMDAxMCBTYWx0ZWRfX0ZEaVIrOzOHc 5sNqFbVrMJZOETzbhRryPJwBmrIwuwFMBl7E0LXWpb/QtVUQJRlJalv19VV+G4foQoj40O4rrCF rwhjzTafm5osOHqJmEiWHOwQhIrsst19j+lGwxo9DAU0CAYKjGxpPH14K39s/aKpbFyj82ZJUgD HBBraDfKHysxnYzlU3w2FSYCTdeUap4hdhst2IshoIvaeRo8JZqTD+T6jjSz+9CYg/C/xcUarn4 9fjnEmt5k9i/NrtQnzy8c59OVYQiiRY+Rv21a9483WR3Y/Fo6iN04dzRd3sKzVFKXyvYGxai8x9 V/8qSg8fENESpQCaf9BlSPwLGZAmuK8J2DzMwHdBTTVUTUR4yhnZFA3maerVWtvbSQyFH8tjoyn MfNwH0JBxnypgbnjYim8ZBK2t5YyraZgYDv5oerob+r1AHkNsLh1mu2S096p9xQp8rSNRgLJjQL 2gJk0Z58Bd3RQgkfUgg== X-Proofpoint-Spam-Info: AW1haW4tMjYxMTEyMDAxMCBTYWx0ZWRfX/6e626j+Wgd3 sYk4Z1SrXsyLP931jGYLYVxWfAjCtvlEZyidKQ7+RVy1EKV6hU5ruxqT9GyDQzj5Iu56VZaGRmR LXH2KHH49MIfuRqxg7vj5rGSgCG2Mxo= X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.138,FMLib:17.12.100.49 definitions=2026-11-12_01,2026-11-11_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 impostorscore=0 adultscore=0 clxscore=1015 lowpriorityscore=0 phishscore=0 priorityscore=1501 suspectscore=0 bulkscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2611040001 definitions=main-2611120010 On 11/9/2026 8:26 PM, Krzysztof Kozlowski wrote: > On Mon, Nov 09, 2026 at 04:36:36PM +0800, Yongxing Mou wrote: >> Kaanapali's DPU is supplied by both CORE and INT2 GDSCs. The >> power-domain core only auto-attaches a single domain; with multiple >> domains the device is left unattached, so both domains must be attached >> explicitly. >> >> The DPU OPP table also needs to continue controlling the MMCX >> performance state. Mark CORE as the required OPP domain so its vote is >> propagated through the genpd hierarchy to MMCX. INT2 has no OPP of its >> own and is attached as a regular runtime-PM supplier. >> >> Platforms with a single power domain remain unaffected and continue to >> use the existing automatic attachment. >> >> Reviewed-by: Dmitry Baryshkov >> Tested-by: Joonhoe Kim <26rote@gmail.com> > > Where? No tests were at v3 and v4. > Thanks and sorry for this, will drop it. > Best regards, > Krzysztof >