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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-bd4f4bd0a40sm207292666b.12.2026.05.15.04.00.00 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 15 May 2026 04:00:02 -0700 (PDT) Message-ID: <57696ca6-42ce-46d6-9b30-cd5ad4378e25@oss.qualcomm.com> Date: Fri, 15 May 2026 13:00:00 +0200 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] arm64: dts: qcom: sdm850-lenovo-yoga-c630: lower PSCI cluster idle To: Dmitry Baryshkov , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Abel Vesa Cc: Krzysztof Kozlowski , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260428-c630-fix-idle-v1-1-29d0da326eb3@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260428-c630-fix-idle-v1-1-29d0da326eb3@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Authority-Analysis: v=2.4 cv=PKE/P/qC c=1 sm=1 tr=0 ts=6a06fcb4 cx=c_pps a=5HAIKLe1ejAbszaTRHs9Ug==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=NGcC8JguVDcA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=YMgV9FUhrdKAYTUUvYB2:22 a=EUspDBNiAAAA:8 a=9Tg3tFWD4DZn8JD1CIcA:9 a=QEXdDO2ut3YA:10 a=gYDTvv6II1OnSo0itH1n:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNTE1MDExMCBTYWx0ZWRfX2083twHBGS2+ HS2J9AqBi3bVe0LmqbO1BwSRQVwtGCuwSa/Qi8F9eOfAcgcamMNrRF5BtQO/InvApm7gRgWkQ/N FMPpnbI7GbpO4HqofsBKYwa7lYLTl4f+VH0//fkHZk3N1X953XP1hKD7gzQhp5m/ELvtmjA+ZEt E7htgUh0LBGwhArMbLU9P3g1ZyT0JHUd75H5GoHdPNZzpxrumzG3PXDxZhWGBgsu9l0hRmZIh/S hf3a4nt5RZNBwBMDg5c2yf+dtuxAIAucjCKbyEz7cxoqfBwaVZF/QQT9pwpgR02vTGSqfzq9TqE RinbJklnLp04bWf5UDGoZ+5seWpMnNht6Z8Z389RQ5SoZgy7/Ek7X30LyipwY2vt3nJLHUP6kpO 0fjXjV10Rn7UCXUjBLc3DWc7gjadUQP4HslgNWrQ/O21T3m229uFhmRO5pBpFvsNeuv2BCoaHzk AAQ5bqdA/EHV1zKYa9Q== X-Proofpoint-ORIG-GUID: pRDOMxaNFK_Y6f8ofRjDKy1lYpVgvdrh X-Proofpoint-GUID: pRDOMxaNFK_Y6f8ofRjDKy1lYpVgvdrh X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-05-15_02,2026-05-13_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 adultscore=0 malwarescore=0 bulkscore=0 priorityscore=1501 phishscore=0 clxscore=1015 impostorscore=0 spamscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2605130000 definitions=main-2605150110 On 4/28/26 9:36 PM, Dmitry Baryshkov wrote: > With the default PSCI suspend value for cluster idle state Lenovo Yoga > C630 isn't stable enough. For example it might reset if display device > isn't probed early enough. Drop one of the bits from the PSCI suspend > value to make C630 work in stable way. > > Fixes: a1ade6cac5a2 ("arm64: dts: qcom: sdm845: Switch PSCI cpu idle states from PC to OSI") > Signed-off-by: Dmitry Baryshkov > --- > arch/arm64/boot/dts/qcom/sdm850-lenovo-yoga-c630.dts | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/arch/arm64/boot/dts/qcom/sdm850-lenovo-yoga-c630.dts b/arch/arm64/boot/dts/qcom/sdm850-lenovo-yoga-c630.dts > index e41200839dbe..e6c67016552a 100644 > --- a/arch/arm64/boot/dts/qcom/sdm850-lenovo-yoga-c630.dts > +++ b/arch/arm64/boot/dts/qcom/sdm850-lenovo-yoga-c630.dts > @@ -347,6 +347,10 @@ &cdsp_pas { > status = "okay"; > }; > > +&cluster_sleep_0 { > + arm,psci-suspend-param = <0x41003244>; > +}; Is it better if you do hack in a qmp_send(qmp, "{class: cx_mol, res: cx, val: mol}"); somewhere? Konrad