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[2001:14bb:c6:df5c:d8ed:c370:3eee:b864]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-5a9164bc4cdsm1268857e87.54.2026.05.15.04.01.18 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 15 May 2026 04:01:19 -0700 (PDT) Message-ID: Date: Fri, 15 May 2026 14:01:18 +0300 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: Konrad Dybcio , 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> <57696ca6-42ce-46d6-9b30-cd5ad4378e25@oss.qualcomm.com> Content-Language: en-US From: Dmitry Baryshkov In-Reply-To: <57696ca6-42ce-46d6-9b30-cd5ad4378e25@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNTE1MDExMSBTYWx0ZWRfX4kr+VmgfceJB ynrCAV2Tk5PJK7UD6ku9Y2/3+gp+FuhRWmEw0scrSfcDbwAChwUdxOY5lTm6CYgXOqbQB8CAW+2 tjp6A2DgyuZSfmSnSzIKFgUU6NPnv4BBxltN0e00iFC2QuTNAVjhlSxSPnkRFjoinBQXTQRgj+C vE9oIpKIjfYTN9DArbwxKFogmLJYa+ImG18806651D4Y6KNQpKu4NhgK8fYHTJWtDhbg4KnHJVy Ma3CZLRWxephP/nHAeoCwp/6E1PKVkNQX8hAEIcjMFT8DcVuylYZxR+xw5vYyPmKWgHGE2mjt/X /oPQYdUtrjgnLsMjQI7DP0Thmb9x26VLpzMplKtXrvMNx0Jq/LqAf18PudIShDkxFCwL9z+KF5J yveOVZ462UrA846cH677OlEyoHtz4Uvqvmiqd5cAAlcF45yisdTpDzmpNGGheM8WVIKQdemyJGv jl1BTANuIbzxvx8TQhA== X-Authority-Analysis: v=2.4 cv=Md5cfZ/f c=1 sm=1 tr=0 ts=6a06fd02 cx=c_pps a=+3WqYijBVYhDct2f5Fivkw==:117 a=xqWC_Br6kY4A:10 a=IkcTkHD0fZMA:10 a=NGcC8JguVDcA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=eoimf2acIAo5FJnRuUoq:22 a=EUspDBNiAAAA:8 a=0TwNQlvJbkE4K8wFdpQA:9 a=QEXdDO2ut3YA:10 a=eYe2g0i6gJ5uXG_o6N4q:22 X-Proofpoint-GUID: slhxPRdnPygduGH2-eKa-ExYynsUW3Jm X-Proofpoint-ORIG-GUID: slhxPRdnPygduGH2-eKa-ExYynsUW3Jm 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 suspectscore=0 lowpriorityscore=0 bulkscore=0 priorityscore=1501 impostorscore=0 malwarescore=0 adultscore=0 phishscore=0 spamscore=0 clxscore=1015 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2605130000 definitions=main-2605150111 On 15/05/2026 14:00, Konrad Dybcio wrote: > 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}"); Any clarification? Then I can try hacking it in. > > somewhere? > > Konrad > > > -- With best wishes Dmitry