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[103.229.18.19]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-395e4a20e77sm8766395a91.15.2026.08.23.22.43.38 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 23 Aug 2026 22:43:45 -0700 (PDT) Message-ID: <306b2102-a7bf-4c29-b67c-df6ba5fbb7ee@oss.qualcomm.com> Date: Mon, 24 Aug 2026 11:12:53 +0530 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 v3 0/3] clk: qcom: gcc-glymur: Tie the CX power domain to controller To: Pankaj Patil , Konrad Dybcio , Abel Vesa , Bjorn Andersson , Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Taniya Das , Konrad Dybcio , Maulik Shah , Dmitry Baryshkov , Jyothi Kumar Seerapu , Brian Masney Cc: Krzysztof Kozlowski , Sibi Sankar , Akhil P Oommen , linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Jishnu Prakash , Raviteja Laggyshetty , Kamal Wadhwa , Qiang Yu , Manaf Meethalavalappu Pallikunhi , Abel Vesa References: <20260715-glymur-fix-gcc-cx-scaling-v3-0-72eb5adad156@oss.qualcomm.com> <9a3b9b76-abb0-47a5-ada6-cd0a576b0782@oss.qualcomm.com> <3df2f139-bc7a-403f-bece-7e820b202bd1@oss.qualcomm.com> <812d71fe-40e2-47c8-ac4c-ddb8a45f582d@oss.qualcomm.com> Content-Language: en-US From: Rajendra Nayak In-Reply-To: <812d71fe-40e2-47c8-ac4c-ddb8a45f582d@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Proofpoint-ORIG-GUID: 5yh1c1N7OJaw7qBw4kCbGRTjKgHM1qDw X-Authority-Analysis: v=2.4 cv=GdQnWwXL c=1 sm=1 tr=0 ts=6a8bda14 cx=c_pps a=0uOsjrqzRL749jD1oC5vDA==:117 a=Ou0eQOY4+eZoSc0qltEV5Q==:17 a=IkcTkHD0fZMA:10 a=Sv0fKeRqtYgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=DJpcGTmdVt4CTyJn9g5Z:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=F55jpGqvRUC9acNfLbcA:9 a=QEXdDO2ut3YA:10 a=mQ_c8vxmzFEMiUWkPHU9:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODI0MDA0OSBTYWx0ZWRfX4qt68s9vL+AK LSY/iwVYy5bynt9vM46Fhsxx+GI3rvrK8cmRt/h9XxGaEqZ+KIxa1LEqBAaPTRMJpZlU3y+v07I o8vXD97WfgRvcIimbtn7CgIWhO0phHolvKqLsEdFAEQ83G12yfyTp5xHA54ZTDurzFp6pi9H3Uy SC3zxzM5ioh6ZEjPa3tWPFMdOV7RS9k2shn0LY/Zrtzz37lrp4XX0drtsERHOyS09Lf3Z27DtkX +cT/e2nEiJ39Mo7HNL6LZvVBqnGyahlRrdj4MMDa8J6/ZabilREQ2eJ1zJ5TxVVduCmjGPA+gpi 05eH5CoIlTr3p5faZsrf+JOoBb9uupYP3CbrCzgplRpCujQ5G/XCffv/mwjSGL7Vad/H6L2fsuj Gwyux5Mb6GqFsKmqiTIE2oGGwM8mE7Vo1vbfIIbvbr+MlLGhl65zB1J/T+7/9xQN5dYnxcj3GdO IsxW3pCw/gamIba1tCQ== X-Proofpoint-GUID: 5yh1c1N7OJaw7qBw4kCbGRTjKgHM1qDw X-Proofpoint-Spam-Info: AW1haW4tMjYwODI0MDA0OSBTYWx0ZWRfX5vIOeg6CRneK l9O4IRKMlVnForgvDf1Cuo2WTAwKGiaO0cqwp8kG9ZvhZEqaZKWTanyQOVg19AmGsxzCZuUpdEt ya+xNijl2QJP+pQIYrX5Em/2ohe5Gck= 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=2026-08-24_02,2026-08-21_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 suspectscore=0 clxscore=1011 priorityscore=1501 malwarescore=0 lowpriorityscore=0 spamscore=0 adultscore=0 phishscore=0 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2608240049 On 8/21/2026 4:04 PM, Pankaj Patil wrote: > On 8/17/2026 3:40 PM, Konrad Dybcio wrote: >> On 8/14/26 8:30 AM, Pankaj Patil wrote: >>> On 7/15/2026 6:59 PM, Abel Vesa wrote: >>>> The suggestion of having the CX power domain tied up to the GCC >>>> controller started here: >>>> >>>> https://lore.kernel.org/lkml/fe210f0b-692b-4c45-afc4-fc2bc5e57854@oss.qualcomm.com/ >>>> >>>> and then, for Glymur, it has been brought up here as well: >>>> >>>> https://lore.kernel.org/all/0248dc51-1036-426c-b1de-dbc71696e2c1@oss.qualcomm.com/ >>>> >>>> These plus a discussion off-list led to this patchset being done. >>>> >>> >>> This series prevents cx collapse during suspend on recent linux-next tag: next-20260806 >>> Reproducible on latest tag next-20260813 as well >> >> Yes and the ""fix"" is to disable the GPU nodes because the custom >> runtime pm dance done in the gxclkctl driver keeps a vote online >> >> That should be fixed instead >> >> FWIW ath12k is causing some issues for me in this regard too.. >> >> Konrad > > There's no need to disable gpu nodes for cx collapse on s2idle, I can reach cx > collapse after disabling crypto, camcc and evacc nodes along with reverting > this series, Specifically arm64: dts: qcom: glymur: Add CX power domain to GCC > Can you share the steps to reproduce? Are you running additional steps before > triggering suspend? GCC clock driver on Glymur has gcc_disp_hf_axi_clk marked as CLK_IS_CRITICAL, doesn't that mean we will always have a vote on CX with this patch? Taniya, do you have any insights into why this clock is critical to be left ON always? > >